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CN206036135U - Inner gearing drive mechanism and interior wheel thereof - Google Patents

Inner gearing drive mechanism and interior wheel thereof Download PDF

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Publication number
CN206036135U
CN206036135U CN201620555031.8U CN201620555031U CN206036135U CN 206036135 U CN206036135 U CN 206036135U CN 201620555031 U CN201620555031 U CN 201620555031U CN 206036135 U CN206036135 U CN 206036135U
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CN
China
Prior art keywords
tooth
foreign steamer
lubrication groove
gear drive
circle
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CN201620555031.8U
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Chinese (zh)
Inventor
不公告发明人
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Ningbo Hansheng Transmission Technology Co Ltd
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Individual
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Priority to US15/767,521 priority Critical patent/US20180291996A1/en
Priority to EP16816732.8A priority patent/EP3364071A2/en
Priority to KR1020187013515A priority patent/KR20180069853A/en
Priority to CA3001644A priority patent/CA3001644A1/en
Priority to JP2018519836A priority patent/JP2018530721A/en
Priority to PCT/IB2016/001459 priority patent/WO2017064549A2/en
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Publication of CN206036135U publication Critical patent/CN206036135U/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
    • F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
    • F16H1/06—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with parallel axes
    • F16H1/10—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with parallel axes one of the members being internally toothed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/17—Toothed wheels

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Retarders (AREA)

Abstract

The utility model provides an inner gearing drive mechanism, include: the foreign steamer, be equipped with the circle -arc tooth of first quantity on the foreign steamer inward flange, the circle -arc tooth of first quantity centers on the foreign steamer inward flange sets up, interior wheel, be equipped with the tooth of second quantity on interior round of outward flange, the tooth of second quantity centers on interior round of outward flange setting, M> N, eccentric rotating device, eccentric rotating device can make the interior off -centre of taking turns is arranged, wherein, among foreign steamer, interior wheel and the eccentric rotating device arbitrary one connects the power input, arbitrary another person among foreign steamer, interior wheel and the eccentric rotating device connects the power take off end to through the meshing transmission transmission power between foreign steamer and the interior wheel, and wherein, whenever driven the wheel meshed with the foreign steamer including the design of the interior flute profile that takes turns to makeed, in the tooth of second quantity partly with partly meshing or contact in the circle -arc tooth of first quantity, and all the other parts of the tooth of second quantity with the circle -arc tooth of first quantity breaks away from.

Description

Inside gear drive mechanism and its lubrication groove
Technical field
The utility model relates generally to Inside gear drive mechanism.
Background technology
The background of the present invention described in detail in being to provide for claims by this part or environment.Here description can be wrapped The design that may be sought is included, but needs not to be the design for being previously conceived or having sought.Therefore, unless otherwise indicated herein, exist Content described in this part is not the prior art of present specification and claims, and does not recognize to include Content in this section is prior art.
Compared with external toothing transmission mechanism, Inside gear drive organization volume is less, and single-stage driving speed is than big and easily real Existing multiple tooth engagement.For Inside gear drive mechanism, when interior foreign steamer tooth difference be 1 when, transmission speed ratio be it is maximum, But such number of teeth difference is existed between interior foreign steamer and is interfered, caused external gear teeth to be blocked with the interior gear teeth using traditional involute gear, So that foreign steamer can not be rotated with lubrication groove.Therefore, for Inside gear drive mechanism, realize during big transmission speed ratio, needing solution Interference problem between certainly interior foreign steamer.
Mainly there are harmonic drive mechanism and Cycloidal pin-wheel drive mechanism in the relatively broad Inside gear drive mechanism for using at present Deng.Harmonic drive mechanism is driven as external gear using flexbile gear, solves the dry of interior foreign steamer engagement by the deformation of external gear Relate to, but the manufacture difficulty of flexbile gear is larger, output torque is little so that harmonic drive mechanism is difficult to widely use.
Cycloidal pin-wheel drive mechanism adopts Cycloidal Wheel as lubrication groove, by the rolling on the cycloid profile in Cycloidal Wheel and foreign steamer Pin engagement be driven, cycloid profile be cycloid (that is, when one circle is rolled in a boning out, on circumference one fixed point Track) or the cycloid after repairing type.Using cycloid profile can realize the engagement of interior foreign steamer without interference, but in interior foreign steamer During relative rotation, the profile in Cycloidal Wheel is engaged with the needle roller on foreign steamer all the time.Such engagement system causes inside and outside There is between wheel larger frictional force.In order to reduce the frictional force, generally adopt on the needle roller on Cycloidal pin-wheel drive mechanism foreign steamer With needle guard, the sliding friction of needle roller is become into the rolling friction of needle guard, but needle roller two ends support the arrangement of middle stress to make Deformation is easily bent during needle roller stress so that cycloidal planetary gear speed reducer volume increases, bearing capacity is little.
Due to there is problem above, either harmonic drive mechanism or Cycloidal pin-wheel drive mechanism cannot all meet needs Small volume, large speed ratio, the application of high-power or high pulling torque output.
The content of the invention
It is an object of the invention to provide a kind of Inside gear drive mechanism, which can solve the problem that existing Inside gear drive mechanism deposits Problem.
According to the first aspect of the invention, the invention provides a kind of Inside gear drive mechanism, including foreign steamer and lubrication groove.Outward The inward flange of wheel is provided with the circle-arc tooth of the first quantity, and the circle-arc tooth of first quantity is set around the inward flange of the foreign steamer Put.The outward flange of lubrication groove is provided with the tooth of the second quantity, and the tooth of second quantity is arranged around the outward flange of the lubrication groove, institute State m>n.Each tooth in lubrication groove includes：One tooth top, the shape of tooth top are designed to when lubrication groove is with foreign steamer engaged transmission, tooth top Do not contact with the circle-arc tooth on foreign steamer at any time；And two tooth waists, it is connected to the both sides of tooth top, the shape of tooth waist Shape is designed to when lubrication groove is with foreign steamer engaged transmission, and tooth waist is periodically contacting and separating with the circle-arc tooth on foreign steamer, so that institute Stating in the case of without interference realize multiple tooth while engaging between the tooth in lubrication groove and the circle-arc tooth on foreign steamer.Outside the lubrication groove Also include several tooth roots on edge, two adjacent teeth are connected.
In above-mentioned Inside gear drive mechanism according to a first aspect of the present invention, tooth root is one section of curve or straight line, and tooth top is One section of curve or straight line, and tooth waist is smooth composite curve, its by the one kind in curve, straight line, circular arc and line transect or Various compositions.
In above-mentioned Inside gear drive mechanism according to a first aspect of the present invention, a part for tooth waist is curve, and the curve is When lubrication groove is with foreign steamer engaged transmission, a series of meshing point shapes of the circle-arc tooth in the mesh regional of setting on the interior gear teeth and foreign steamer Into one section of envelope so that multiple tooth in the mesh regional of setting while engagement has no interferences, and in the region of engagement for setting The overseas interior gear teeth are contactless with the circle-arc tooth on foreign steamer or engage.
In above-mentioned Inside gear drive mechanism according to a first aspect of the present invention, the length of envelope and take in the position of tooth waist Certainly in the tooth in desired lubrication groove and the circle-arc tooth on foreign steamer engage quantity and engagement is interval.
In above-mentioned Inside gear drive mechanism according to a first aspect of the present invention, formed the curve or straight line of the tooth top with The envelope of the tooth waist is smoothly connected by easement curve.
In above-mentioned Inside gear drive mechanism according to a first aspect of the present invention, can cause formed the tooth root curve or Straight line is connected by easement curve and/or straight smooth with the envelope of the tooth waist so that tooth root at any time with Circle-arc tooth on foreign steamer is not contacted；It is also possible that the envelope of the curve and the tooth waist for forming the tooth root is same Envelope.
In above-mentioned Inside gear drive mechanism according to a first aspect of the present invention, also including eccentric rotary device, the bias Tumbler can drive the lubrication groove so that the lubrication groove relative to the foreign steamer inward flange carry out eccentric center translation and/or Rotate.
In above-mentioned Inside gear drive mechanism according to a first aspect of the present invention, appointing in the lubrication groove and foreign steamer engaged transmission When wait, the part in the tooth of second quantity is engaged or contacted with the part in the circle-arc tooth of first quantity, And the remainder of the tooth of second quantity is departed from the circle-arc tooth of first quantity.
In above-mentioned Inside gear drive mechanism according to a first aspect of the present invention, m-n=a a ∈ (1,2, the 3... natures Number), the eccentric rotary device rotate a cycle when, lubrication groove rotate a tooth angle, and the direction of rotation of lubrication groove with it is inclined Heart tumbler rotation direction is contrary.
In above-mentioned Inside gear drive mechanism according to a first aspect of the present invention, the circle-arc tooth of the first quantity on the foreign steamer For needle roller.
In above-mentioned Inside gear drive mechanism according to a first aspect of the present invention, the offset d of eccentric rotary device is more than r/ 2, wherein r are needle roller radiuses.
In above-mentioned Inside gear drive mechanism according to a first aspect of the present invention, the circle-arc tooth of the first quantity on the foreign steamer For needle roller；In all positions of engagement of tooth and the needle roller of lubrication groove, any point on needle roller center to corresponding tooth root away from From the radius more than or equal to needle roller.
In above-mentioned Inside gear drive mechanism according to a first aspect of the present invention, the inward flange of the foreign steamer is provided with needle roller peace Tankage, the radius of needle roller mounting groove are identical with needle roller radius.
In above-mentioned Inside gear drive mechanism according to a first aspect of the present invention, the two ends of needle roller are supported by needle roller centring ring, Needle roller is positioned in the needle roller mounting groove of foreign steamer, needle roller can be rotated in needle roller mounting groove.
In above-mentioned Inside gear drive mechanism according to a first aspect of the present invention, when the lubrication groove is with foreign steamer engaged transmission, Each tooth top in the lubrication groove is not in contact with circle-arc tooth.
In above-mentioned Inside gear drive mechanism according to a first aspect of the present invention, when the lubrication groove is with foreign steamer engaged transmission, Each tooth top and each tooth root in the lubrication groove is not in contact with circle-arc tooth.
It is in above-mentioned Inside gear drive mechanism according to a first aspect of the present invention, all in eccentric rotary device rotation one During phase, each tooth and the circle-arc tooth on the foreign steamer of the lubrication groove at least depart from once.
In above-mentioned Inside gear drive mechanism according to a first aspect of the present invention, the Inside gear drive mechanism is provided with least four The lubrication groove that piece is arranged in parallel.
In above-mentioned Inside gear drive mechanism according to a first aspect of the present invention, appointing in the lubrication groove and foreign steamer engaged transmission When wait, total quantity of the quantity that the circle-arc tooth of first quantity is engaged with the tooth of second quantity less than the circle-arc tooth 60%.
In above-mentioned Inside gear drive mechanism according to a first aspect of the present invention, the Inside gear drive mechanism also includes planet Frame, the lubrication groove are arranged on the planet carrier, to transmit power between lubrication groove and planet carrier.
In above-mentioned Inside gear drive mechanism according to a first aspect of the present invention, the planet carrier is arranged in the foreign steamer Portion, and be arranged on the eccentric rotary device.
According to the second aspect of the invention, the invention provides a kind of Inside gear drive mechanism, including：Foreign steamer, it is described outer Wheel inward flange is provided with the circle-arc tooth of the first quantity, and the circle-arc tooth of first quantity is arranged around the foreign steamer inward flange；It is interior Wheel, the lubrication groove outward flange are provided with the tooth of the second quantity, and the tooth of second quantity is arranged around the lubrication groove outward flange, institute State m>n；Eccentric rotary device, the eccentric rotary device enable to the lubrication groove arranged off-centre；Wherein, the foreign steamer, interior Any one connection power intake in wheel and eccentric rotary device, appointing in the foreign steamer, lubrication groove and eccentric rotary device Meaning another one connection clutch end, to transmit power by the engaged transmission between foreign steamer and lubrication groove；And wherein, in described Whenever the design of the flute profile on wheel is caused in lubrication groove and foreign steamer engaged transmission, the part in the tooth of second quantity Engage or contact with the part in the circle-arc tooth of first quantity, and remainder and the institute of the tooth of second quantity The circle-arc tooth for stating the first quantity departs from.
In above-mentioned Inside gear drive mechanism according to a second aspect of the present invention, each tooth in lubrication groove includes：One tooth top, The shape of tooth top is designed to when lubrication groove is with foreign steamer engaged transmission, and tooth top is not connect with the circle-arc tooth on foreign steamer at any time Touch；And two tooth waists, the both sides of tooth top are connected to, the shape of tooth waist is designed to when lubrication groove is with foreign steamer engaged transmission, Tooth waist is periodically contacting and separating with the circle-arc tooth on foreign steamer, with the circle-arc tooth on the tooth in the lubrication groove and foreign steamer it Between realize in the case of without interference it is multiple tooth and meanwhile engagement；Also include several tooth roots on the outward flange of the lubrication groove, will be adjacent Two teeth are connected.
In above-mentioned Inside gear drive mechanism according to a second aspect of the present invention, tooth root is one section of curve or straight line；Tooth top is One section of curve or straight line；And tooth waist is smooth composite curve, its by the one kind in curve, straight line, circular arc and line transect or Various compositions.
In above-mentioned Inside gear drive mechanism according to a second aspect of the present invention, a part for the tooth waist is curve, the song When line is lubrication groove and foreign steamer engaged transmission, a series of engagements of the circle-arc tooth in the mesh regional of setting on the interior gear teeth and foreign steamer One section of envelope that point is formed, so that multiple tooth in the mesh regional of setting have no interference while engaging, and nibbling in setting In outside conjunction region, the gear teeth are contactless with the circle-arc tooth on foreign steamer or engage.
In above-mentioned Inside gear drive mechanism according to a second aspect of the present invention, the length of envelope and take in the position of tooth waist Certainly in the tooth in desired lubrication groove and the circle-arc tooth on foreign steamer engage quantity and engagement is interval.
In above-mentioned Inside gear drive mechanism according to a second aspect of the present invention, curve or straight line and the institute of the tooth top are formed The envelope for stating tooth waist is smoothly connected by easement curve.
In above-mentioned Inside gear drive mechanism according to a second aspect of the present invention, can cause formed the tooth root curve or Straight line is connected by easement curve and/or straight smooth with the envelope of the tooth waist so that tooth root at any time with Circle-arc tooth on foreign steamer is not contacted；It is also possible that the envelope of the curve and the tooth waist for forming the tooth root is same Envelope.
In above-mentioned Inside gear drive mechanism according to a second aspect of the present invention, m-n=a a ∈ (1,2, the 3... natures Number)；When the eccentric rotary device rotates a cycle (360 degree), lubrication groove rotates the angle of a tooth, and the rotation of lubrication groove Direction is contrary with eccentric rotary device rotation direction.
In above-mentioned Inside gear drive mechanism according to a second aspect of the present invention, the circle-arc tooth of the first quantity on the foreign steamer For needle roller.
In above-mentioned Inside gear drive mechanism according to a second aspect of the present invention, the circle-arc tooth of the first quantity on the foreign steamer For needle roller, in all positions of engagement of tooth and the needle roller of lubrication groove, any point on needle roller center to corresponding tooth root away from From the radius more than or equal to needle roller.
In above-mentioned Inside gear drive mechanism according to a second aspect of the present invention, the offset d of eccentric rotary device is more than r/ 2, wherein r are needle roller radiuses.
In above-mentioned Inside gear drive mechanism according to a second aspect of the present invention, the inward flange of the foreign steamer is provided with needle roller peace Tankage, the radius of needle roller mounting groove are identical with needle roller radius.
In above-mentioned Inside gear drive mechanism according to a second aspect of the present invention, the two ends of the needle roller are by needle roller centring ring Support, needle roller is positioned in the needle roller mounting groove of foreign steamer, and needle roller can be rotated in needle roller mounting groove.
In above-mentioned Inside gear drive mechanism according to a second aspect of the present invention, the circle-arc tooth in the lubrication groove with foreign steamer is nibbled When closing transmission, each tooth top in the lubrication groove is not in contact with circle-arc tooth.
In above-mentioned Inside gear drive mechanism according to a second aspect of the present invention, when the lubrication groove is with foreign steamer engaged transmission, Each tooth top and each tooth root in the lubrication groove is not in contact with circle-arc tooth.
It is in above-mentioned Inside gear drive mechanism according to a second aspect of the present invention, all in eccentric rotary device rotation one During phase, each tooth in the lubrication groove is at least departed from once with the circle-arc tooth on the foreign steamer.
In above-mentioned Inside gear drive mechanism according to a second aspect of the present invention, the Inside gear drive mechanism is provided with least four The lubrication groove that piece is arranged in parallel.
In above-mentioned Inside gear drive mechanism according to a second aspect of the present invention, appointing in the lubrication groove and foreign steamer engaged transmission When wait, total quantity of the quantity that the circle-arc tooth of first quantity is engaged with the tooth of second quantity less than the circle-arc tooth 60%.
In above-mentioned Inside gear drive mechanism according to a second aspect of the present invention, the Inside gear drive mechanism also includes planet Frame, the lubrication groove are arranged on the planet carrier, to transmit power between lubrication groove and planet carrier.
In above-mentioned Inside gear drive mechanism according to a second aspect of the present invention, the planet carrier is arranged in the foreign steamer Portion, and be arranged on the eccentric rotary device.
According to the third aspect of the invention we, the invention provides a kind of lubrication groove, in Inside gear drive mechanism with it is outer Wheel engaged transmission, the outward flange of the lubrication groove are provided with the tooth of the second quantity, for set with the inward flange of the foreign steamer The first quantity circle-arc tooth engaged transmission, the tooth of second quantity arranged around the outward flange of the lubrication groove, wherein each Tooth includes：One tooth top, the shape of tooth top are designed to when lubrication groove is with foreign steamer engaged transmission, tooth top at any time with foreign steamer on Circle-arc tooth do not contact；And two tooth waists, be connected to the both sides of tooth top, the shape of tooth waist be designed to lubrication groove with it is outer During wheel engaged transmission, tooth waist is periodically contacting and separating with foreign steamer, so that without the feelings interfered between the lubrication groove and foreign steamer Realize under condition multiple tooth while engagement；Also include several tooth roots on the outward flange of the lubrication groove, two adjacent teeth are connected.
In above-mentioned lubrication groove according to a third aspect of the present invention, tooth root is one section of curve or straight line, tooth top be one section of curve or Straight line, and tooth waist is smooth composite curve, which is made up of one or more in curve, straight line, circular arc and line transect.
In above-mentioned lubrication groove according to a third aspect of the present invention, a part for the tooth waist is curve, the curve be lubrication groove with During foreign steamer engaged transmission, the one of a series of meshing points formation of the circle-arc tooth in the mesh regional of setting on the interior gear teeth and foreign steamer Section envelope, so that multiple tooth in the mesh regional of setting have no interference while engaging, and in the mesh regional of setting is outer The gear teeth are contactless with the circle-arc tooth on foreign steamer or engage.
In above-mentioned lubrication groove according to a third aspect of the present invention, the length of envelope and the position of tooth waist depend on it is desired Lubrication groove on tooth and the circle-arc tooth on foreign steamer engage quantity and engagement is interval.
In above-mentioned lubrication groove according to a third aspect of the present invention, the curve or straight line of the tooth top and the bag of the tooth waist is formed Winding thread is smoothly connected by easement curve.
In above-mentioned lubrication groove according to a third aspect of the present invention, can cause to be formed the curve or straight line of the tooth root with it is described The envelope of tooth waist passes through easement curve and/or straight smooth and connects so that tooth root at any time with foreign steamer on circle Curved tooth is not contacted；It is also possible that the envelope of the curve and the tooth waist for forming the tooth root is same envelope.
Compared with existing Inside gear drive mechanism, according to the Inside gear drive mechanism invented due to solving well Friction between the interference problem of interior foreign steamer, and interior foreign steamer is minimum, thus the small volume with transmission mechanism, speed than big and Output torque is big, and long service life, the advantages of transmission efficiency.
Description of the drawings
From detailed description below in conjunction with the accompanying drawings, the present invention, wherein similar reference marker will be more fully understood Similar element is represented, in accompanying drawing：
Fig. 1 is the Inside gear drive mechanism axial direction schematic diagram of the present invention；
Fig. 2 is the structural representation of the lubrication groove of the present invention；
Fig. 3 A are flute profile schematic diagram in the lubrication groove of the present invention；
Fig. 3 B are the needle roller mesh schematic representation on tooth and foreign steamer in the lubrication groove of the present invention；
Fig. 4 A-4F are the mesh schematic representation of the simplification of the Inside gear drive mechanism according to the present invention, be the figures illustrate Rolling during the eccentric rotary device of Inside gear drive structure of the invention is rotated one week, on the tooth and foreign steamer of lubrication groove Pin be how to engage with it is detached；
Fig. 5 is the engaging structure figure of the simplification of the Inside gear drive mechanism according to the present invention, be it illustrates in eccentric rotary In two different turned positions of device, the contrast of the relevant position residing for lubrication groove；
Fig. 6 is the partial view of the foreign steamer according to the present invention, and it illustrates is used for the structure for installing needle roller on foreign steamer；
Fig. 7 A are the dimensional structure diagram of the Inside gear drive mechanism according to the present invention；
Fig. 7 B are the sectional view of the Inside gear drive mechanism according to the present invention.
Specific embodiment
The various specific embodiments of the present invention are described below with reference to the accompanying drawing for constituting this specification part. Although it should be understood that in the present invention using represent direction term, such as "front", "rear", " on ", D score, " left side ", The various example features and element of the description such as " right side " present invention, but here uses these terms merely for convenience of description Purpose, determined based on the example orientations shown in accompanying drawing.As disclosed embodiment of this invention can be according to difference Direction arrange, so these represent directions term be intended only as illustrate and should not be considered as limit.In the conceived case, Identical or similar reference used in the present invention refers to identical part.
Inside gear drive mechanism of the invention includes foreign steamer 102, lubrication groove 108 and eccentric rotary device as shown in Figure 1 116.Eccentric rotary device 116 is arranged in inside lubrication groove 108, and foreign steamer 102 is arranged in outside lubrication groove 108.Inside gear drive mechanism Also include planet carrier 400 (Fig. 1 is not shown, refers to Fig. 7 A and Fig. 7 B), lubrication groove 108 realizes transmission engagement by planet carrier 400, And with 400 integral arrangement of planet carrier inside foreign steamer 102.By the interaction of these parts, foreign steamer 102 and interior can be realized The engaged transmission of wheel 108 such that it is able to realize the purpose of deceleration or speedup.When needing to realize slowing down, eccentric rotary device 116 As high speed reader structure, low speed is exported using foreign steamer 102 or planet carrier 400, wherein when needing to realize that foreign steamer 102 exports low When fast, planet carrier 400 must be fixed；When needing to realize that 400 low speed of planet carrier is exported, foreign steamer 102 must be fixed.When needing reality During existing speedup, used as low speed input mechanism, eccentric rotary device 116 is used as speedy carding process mechanism for foreign steamer 102 or planet carrier 400. The Inside gear drive mechanism of the present invention can realize various decelerations and speedup pattern.Nibble in the present invention to preferably introduce Transmission mechanism is closed, is used as input at a high speed below in conjunction with by eccentric rotary device 116, low speed is exported by planet carrier 400 Deceleration mode be described.In this deceleration mode, the externally connected high speed motive force source of eccentric rotary device 116, OK Carrier 400 realizes that low speed power is exported, and foreign steamer 102 is then maintained static.
As shown in figure 1, in Inside gear drive mechanism of the invention, foreign steamer 102 has inward flange 103, inward flange 103 circle-arc teeth 104 (i) for being provided with the first quantity (i=1,2 ..., m).Lubrication groove 108 has outward flange 109, outward flange 109 Be provided with the second quantity tooth 110 (j) (j=1,2 ..., n).The inward flange 103 of foreign steamer 102 forms receiving space, so that lubrication groove 108 can arranged off-centre wherein, and enable foreign steamer 102 and lubrication groove 108 by the circle-arc tooth of the first quantity on foreign steamer 102 (j=1,2 ..., n) are engaged the tooth 110 (j) of the second quantity on 104 (i) (i=1,2 ..., m) and lubrication groove 108.
The circle-arc tooth 104 (i) (i=1,2 ..., m) of the first quantity on foreign steamer 102 can take various forms and be set Put, for example, can be the circle-arc tooth, or the installation on the inward flange of foreign steamer directly designed on the inward flange of foreign steamer The part with needle roller shape, the shape that now needle roller protrudes from the inward flange of foreign steamer 102 is also circle-arc tooth shape.Except this with Outward, arranging circle-arc tooth using any mode is all possible, if the shape of the circle-arc tooth can with lubrication groove 108 on Tooth produces engagement, so that producing pin tooth engaged transmission between lubrication groove 108 and foreign steamer 102.One of the invention Embodiment, in the form of needle roller, needle roller is arranged on foreign steamer 102 to the circle-arc tooth 104 (i) (i=1,2 ..., m) of the first quantity In the corresponding needle roller mounting groove arranged on inward flange 103.The concrete installation form of needle roller is situated between in detail further in connection with accompanying drawing 6 Continue.An example of the invention, the circle-arc tooth for being voller pin formality shown in Fig. 1, following for convenient description, with " rolling Pin " substitutes " circle-arc tooth " to be described embodiments of the invention.
Still as shown in figure 1, the centre of lubrication groove 108 is provided with receiving space to be contained in eccentric rotary device 116 Wherein, eccentric rotary device 116 biases can lubrication groove 108.Lubrication groove 108 is arranged in bias by capacity eccentric bearing (referring to Fig. 7 B) On tumbler 116, several holes 126 are set, for lubrication groove is installed in 400 (not shown) of planet carrier in lubrication groove 108.
When eccentric rotary device 116 rotates at a high speed, lubrication groove 108 realizes translation by eccentric rotary device 116, meanwhile, Due to meshing relation and the few teeth difference principle of the tooth on the needle roller on foreign steamer 102 and lubrication groove 108, lubrication groove 108 is realized slowly running By planet carrier, (rotation), realizes that low speed power is exported then.Quantity m of the needle roller (i.e. circle-arc tooth) on foreign steamer is more than lubrication groove Quantity n of tooth, so that form few teeth difference engagement.Wherein, m-n=a.An example of the invention, a=1.Certainly a chooses Other natural numbers are also possible.
The Inside gear drive mechanism of the present invention is by the flute profile design in lubrication groove 108 so that even if when the needle roller on foreign steamer The quantity n difference of quantity m and interior gear teeth when be 1 (i.e. a tooth is poor), it is also possible to realize between lubrication groove and needle roller without interference. That is, making to realize in the case of without interference between the needle roller on the tooth and foreign steamer 102 in the lubrication groove 108 multiple tooth while nibbling Close, the engaged transmission between lubrication groove and foreign steamer is realized so as to pass through the needle roller on tooth and foreign steamer 102 in lubrication groove 108.And this Whenever the design of invention flute profile causes to relatively rotate in lubrication groove 108 and foreign steamer 102, the second quantity in lubrication groove 108 Tooth 110 (j) (j=1,2 ..., n) only some is engaged with the needle roller on foreign steamer 102, and remainder and foreign steamer 102 On needle roller depart from.The flute profile in lubrication groove of the present invention 108 is discussed in detail with reference to Fig. 2 and Fig. 3 A.
The structural representation of lubrication groove of the present invention 108 as shown in Figure 2, tooth 110 (the j) (j of the second quantity in lubrication groove 108 =1,2 ..., the outward flange 109 for n) surrounding lubrication groove is arranged.Fig. 3 A be according to the present invention lubrication groove flute profile schematic diagram, the diagram The flute profile gone out in lubrication groove of the present invention.As shown in Figure 3A, each tooth is with a tooth top 202 and is connected to the relative of tooth top 202 Two tooth waists 203 of both sides.Coupled together by tooth root 201 between two adjacent teeth.Tooth root 201, tooth top 202 and tooth waist 203 flute profiles for together constituting lubrication groove of the invention.
Fig. 3 B are the schematic diagram that engages with needle roller of the interior gear teeth according to the present invention, the figure shows a needle roller and with its phase Adjacent left side tooth is in engagement.
The shape of the tooth top 202 of the present invention is designed to when lubrication groove 108 is with 102 engaged transmission of foreign steamer, and tooth top 202 is any When do not contact (this point is described in detail further in connection with accompanying drawing 4A-4F) with needle roller.For this purpose, such as Fig. 3 A and Fig. 3 B Shown, tooth top 202 is designed as one section of curve or straight line.As an example, as shown in Fig. 2 tooth top 202 is designed as and lubrication groove One section of concentric circular arc of 108 center of circle, that is to say, that the tooth top 202 with teeth in lubrication groove 108 is all located at same with lubrication groove 108 On one circle of the heart.
And the shape of tooth waist 203 is then designed to when lubrication groove 108 is relatively rotated with foreign steamer 102, tooth waist 203 and needle roller cycle Property be contacting and separating so that between the needle roller on the tooth in the lubrication groove 108 and foreign steamer 102 in the case of without interference realize It is multiple tooth at the same engagement, so as to transmit power between lubrication groove 108 and foreign steamer 102.For this purpose, tooth waist 203 is designed as smooth being combined Curve, which is made up of one or more in curve, straight line, circular arc and line transect.Wherein, wherein of tooth waist 203 It is divided into pitch curve 210, for being engaged with needle roller.According to one embodiment of present invention, when needle roller is carried out with lubrication groove 108 During engagement, needle roller is only contacted with the pitch curve 210 on tooth waist 203, and (this that do not contact with the other parts of tooth waist 203 A little it is described in detail further in connection with accompanying drawing 4A-4F).Used as an example, pitch curve 210 is a kind of envelope, When it is that lubrication groove 108 is made translation and rotated, in the mesh regional (i.e. pitch curve region) of setting in the gear teeth and needle roller one One section of full curve that serial meshing point is formed, so that multiple tooth in the mesh regional of setting have no interference while engaging, and In the mesh regional of setting is outer, the gear teeth are contactless with needle roller or engage.The length of envelope and the position of tooth waist depend on institute The desired interior gear teeth engage quantity and engagement interval with needle roller.
The tooth root 201 of the present invention is also configured as one section of circular curve or straight line.In lubrication groove 108 and 102 engaged transmission of foreign steamer When, the present invention tooth root 201 can contact with the needle roller on foreign steamer 102, it is also possible to do not contact therewith, this depending on needle roller with it is interior The quantity and engagement that the gear teeth are engaged simultaneously is interval.When root position is covered in engagement interval, tooth root 201 is engaged with tooth waist 203 Curve 210 is same envelope, and now the pitch curve 210 of tooth root 201 and tooth waist 203 is all connect with the needle roller on foreign steamer 102 Touch.When root position is not covered in engagement interval, tooth root 201 passes through one section of easement curve and/or straight line 214 and adjacent teeth waist 203 envelope (pitch curve 210) is smoothly connected, and now tooth root 201 is not contacted with the needle roller on foreign steamer 102, can be one Determine the friction between foreign steamer in reducing in degree.
Embodiment according to Fig. 3 B of the present invention, tooth root 201 are designed to when lubrication groove 108 is relatively rotated with foreign steamer 102, Tooth root 201 is not contacted with needle roller at any time.From Fig. 3 B it will be clear that what the needle roller of so design was adjacent Residing engagement between two teeth, needle roller is only contacted with tooth waist 203 (engage), and is not contacted with tooth root 201, i.e. needle roller It is an off with tooth root 201.Can see from Fig. 3 B, any point on needle roller center to tooth root apart from d be more than needle roller Radius r.For this purpose, as shown in Figure 3A, tooth waist 203 also includes one section of transition for being smoothly connected pitch curve 210 and tooth root 201 Straight line and/or curve 214.
Additionally, used as an example, as shown in Figure 3A, in addition to pitch curve 210, tooth waist 203 is also included tooth waist 203 one section of easement curve 212 being smoothly connected with tooth top 202.That is, in embodiment as shown in Figure 3A, tooth waist 203 Include one section of easement curve, 212, one section of pitch curve 210 and one section of transitional straight and/or curve 214 from top to bottom successively.
Certainly, in addition to the example shown by Fig. 3 A, tooth waist 203 can also have other shapes, as long as ensure that Needle roller can be realized continuously engaging on tooth waist 203 with lubrication groove 108.
Due to designing with above-mentioned flute profile, the Inside gear drive mechanism of the present invention is relatively rotated in lubrication groove 108 and foreign steamer 102 Whenever, the second quantity in lubrication groove 108 tooth 110 (j) (j=1,2 ..., n) only on some tooth and foreign steamer 102 Needle roller be engaged, and the needle roller on remainder tooth and foreign steamer 102 departs from.Also, always only a part for waist with teeth or Only a part for waist with teeth and tooth root are engaged transmission with needle roller to person, and tooth top is not contacted with needle roller.Therefore, with traditional cycloidal pin Wheel transmission compares, and engages the friction for producing and greatly reduces.
This engagement system for quantity m of needle roller and the interior gear teeth on foreign steamer quantity n difference for 1 (i.e. a tooth is poor) when Wait, it is possible to achieve without interference between lubrication groove and needle roller.An example of the invention, in lubrication groove 108 and relative turn of foreign steamer 102 It is dynamic whenever, the quantity that the interior gear teeth are engaged with needle roller less than needle roller sum m 60%.
However, for the quantity n difference of quantity m of needle roller and the interior gear teeth on foreign steamer be more than 1 in the case of, the present invention's is above-mentioned Flute profile can equally reach the engagement quantity for reducing tooth and then the purpose for reducing friction.
Additionally, the lubrication groove 108 of the present invention flute profile design be based on large eccentricity translation (it is relative with traditional cyclo drive and Speech) (i.e. offset more than traditional cyclo drive) realized.The offset of eccentric rotary device 116 will combine Fig. 4 A- below 4F is illustrated.
In order to more fully understand the partially engaged state of the needle roller on the tooth in lubrication groove 108 and foreign steamer 102, Fig. 4 A-4F with Simplified mesh schematic representation shows that the eccentric rotary device 116 of the Inside gear drive mechanism in the present invention is rotated and (turns for one week Dynamic angle T=360 °) during, tooth and the needle roller on foreign steamer of lubrication groove be how to engage with it is detached.Simplify at these In mesh schematic representation, for the convenience for describing and understanding, it is assumed that foreign steamer 102 has 16 needle rollers, and has 15 in lubrication groove Tooth, the quantity of tooth are fewer than the quantity of needle roller one.This 16 needle rollers corresponding numbering 1-16 has been marked in per width figure all, with side Just illustrate that tooth is engaged with the part of needle roller.Additionally, on eccentric rotary device 116, lubrication groove 108 and needle roller or side also increases respectively Arrow 116A, 108A and 104A are added, to show the relative position change in the drawings of these three parts, it is noted that per width figure Position of the middle arrow on its corresponding part is changeless.
Wherein, Fig. 4 A are shown lubrication groove and foreign steamer in the initial rotation position (i.e. T=0 °) of eccentric rotary device 116 Engagement.In the position, numbering be 2,3,4,5,13,14,15 and 16 this eight needle rollers it is corresponding with lubrication groove 108 Eight tooth engagements, remaining needle roller are departed from lubrication groove 108.Now, corresponding to eccentric rotary device 116, lubrication groove 108 and needle roller Arrow 116A, 108A and 104A direction point-blank.
Lubrication groove and foreign steamer when Fig. 4 B are shown that eccentric rotary device 116 rotates clockwise 67.5 ° (i.e. T=67.5 °) Engagement, in the position, numbering is that 5,6,7,8 and 1,2,3,16 this eight needle rollers, eight teeth corresponding with lubrication groove 108 are nibbled Close, remaining needle roller is departed from lubrication groove 108.Arrow in Fig. 4 B is understood compared with the arrow in Fig. 4 A, eccentric rotary dress Put 116 to rotate in the clockwise direction, and lubrication groove 108 is while eccentric center translation, (few teeth difference is former for 4.5 ° of counterclockwise rotates Reason).
The engagement of lubrication groove and foreign steamer when Fig. 4 C are shown that eccentric rotary device 116 rotates 135 ° (i.e. T=135 °), In the position, numbering is 3,4,5,6 and 8,9,10,11 this eight needle rollers, eight teeth engagement corresponding with lubrication groove 108, remaining Needle roller is departed from lubrication groove.
The engagement of lubrication groove and foreign steamer when Fig. 4 D are shown that eccentric rotary device 116 rotates 180 ° (i.e. T=180 °), In the position, numbering is 5,6,7,8 and 10,11,12,13 this eight needle rollers, eight teeth engagement corresponding with lubrication groove 108, remaining Needle roller with lubrication groove depart from.
The engagement of lubrication groove and foreign steamer when Fig. 4 E are shown that eccentric rotary device 116 rotates 247.5 ° (i.e. T=247.5 °) State, in the position, numbering is that 8,9,10,11 and 13,14,15,16 this eight needle rollers, eight teeth corresponding with lubrication groove 108 are nibbled Close, remaining needle roller is departed from lubrication groove.
And Fig. 4 F are shown the engagement shape of lubrication groove and foreign steamer during the rotation of eccentric rotary device 116 360 ° (i.e. T=360 °) State, in the position, numbering is 13,14,15,16 and 2,3,4,5 this eight needle rollers, eight teeth engagement corresponding with lubrication groove 108, Remaining needle roller is departed from lubrication groove, but mark 108A in lubrication groove 108 shows 24 ° of the rotate counterclockwise of lubrication groove 108, i.e., The angle of one tooth.
Whenever can see from Fig. 4 A-4F, relatively rotate in lubrication groove 108 and foreign steamer 102, all only in some The tooth of wheel is engaged with needle roller, and the gear teeth are completely disengaged from needle roller in remaining.It is in the example shown in Fig. 4 A-4F, in office When wait, the needle roller quantity engaged with tooth accounts for the 50% of needle roller sum.Also, a cycle is rotated in eccentric rotary device 116 During (360 °), each tooth in the lubrication groove 108 is at least departed from once with the needle roller on the foreign steamer 102.
Additionally, be compared Fig. 4 A and Fig. 4 F understanding, the process of a week is rotated clockwise in eccentric rotary device 116 In, lubrication groove 108 rotates counterclockwise the angle of a tooth.That is, during eccentric rotary device 116 is rotated one week, Lubrication groove 108 understands the angle of a tooth of rotation in the opposite direction, wherein a=needle rollers quantity (m)-interior number of gear teeth (n).
Fig. 5 be on the basis of Fig. 4 A merge Fig. 4 D-shapeds into figure, wherein, illustrate with dashed lines the position of lubrication groove in Fig. 4 D Put, so as to Fig. 5 shows that lubrication groove is produced relative to initial position (i.e. T=0 °) when eccentric rotary device 116 rotates 180 ° Change.Can be intuitive to see very much from Fig. 5, during eccentric rotary device 116 is rotated, lubrication groove 108 makees eccentric center translation, And counter clockwise direction rotation.
Additionally, as shown in figure 5, the offset that eccentric rotary device 116 is produced to lubrication groove 108 is d.Of the invention one Individual example, half of the offset d more than needle roller radius r, i.e. d>r/2.
The Inside gear drive mechanism of the present invention is engaged with needle roller due to realizing part lubrication groove tooth, rubbing between interior foreign steamer Wipe less, therefore, the present invention need not be arranged on needle roller using needle guard and reduce friction, and the needle roller of the present invention is directly installed on On foreign steamer, i.e. needle roller entirety stress.Additionally, the needle roller of the present invention is only rotated in needle roller mounting groove, need not be by there is position Transfer from one place to another under escort certainly interference problem.Mounting structure shown in Fig. 6 is can be found in specifically.
Fig. 6 shows is used for the structure for installing needle roller on foreign steamer.Clear in order to what is illustrated, Fig. 6 illustrate only the one of foreign steamer Fraction.As shown in fig. 6, being axially arranged with and needle roller quantity identical needle roller mounting groove along foreign steamer on the inward flange 103 of foreign steamer 102 301, the radius of needle roller mounting groove 301 is identical with needle roller radius.It is respectively arranged at two ends with needle roller centring ring 302,304 in groove, uses The two ends of needle roller are supported after being arranged in groove 301 in needle roller, so realize that needle roller is positioned.Needle roller is in needle roller mounting groove 301 It is interior to rotate.Needle roller can be supported by needle roller mounting groove during stress on whole length direction, and needle roller entirety stress, during stress Bending will not be produced such that it is able to transmitting large torque.
The Inside gear drive mechanism of the present invention is also installed with other in addition to part mentioned above and structure Part, Fig. 7 A and Fig. 7 B show the detailed construction of the Inside gear drive mechanism according to an example.Wherein, in Fig. 7 A show The dimensional structure diagram of engagement transmission mechanism, and Fig. 7 B show the sectional view of Inside gear drive mechanism.
An example of the invention, Inside gear drive mechanism can be arranged using 108 Parallel Symmetric of multiple lubrication grooves, its In, the eccentric direction of lubrication groove can differ 180 °, naturally it is also possible to differ 90 °, 120 ° etc..By using multiple lubrication grooves, both may be used To realize dynamic balancing, it is also possible to realize that the shaft strength at input shaft two ends symmetrically offsets (zero stress), make input shaft operate steadily. Certainly, also can be work only with a lubrication groove.No matter using several lubrication grooves within the protection domain of the application.
Inside gear drive mechanism as shown in Figure 7 B has four 108.1,108.2,108.3 and of lubrication groove being arranged side by side 108.4.For this purpose, as shown in Figure 7 B, eccentric rotary device is eccentrically weighted shaft 116, eccentrically weighted shaft 116 be one have 4 sections it is symmetrical inclined The bent axle of the eccentric segment of the heart, the eccentric segment of bent axle are respectively 115.1,115.2,115.3 and 115.4, and wherein, middle two are partially Heart section 115.2 and 115.3 is one group of eccentric segment of eccentric direction identical, and two eccentric segments 115.1 and 115.4 on side are bias One group of eccentric segment of direction identical, and the eccentric direction of this two groups of eccentric segments differs 180 °.Each lubrication groove 108.1,108.2, 108.3 and 108.4 all pass through a capacity eccentric bearing 114 is mounted in its corresponding eccentric segment 115.1,115.2,115.3 and 115.4 On, 4 lubrication grooves being arranged in parallel are formed, lubrication groove spacer ring between adjacent lubrication groove, is disposed with.
The planet carrier 400 of the Inside gear drive mechanism of the present invention includes the first output end 402, the second output end 401, planet Frame bolt 403, nut 404 and output pin 125.In the arrangement planet carrier 400 of eccentrically weighted shaft 116, the two ends of eccentrically weighted shaft 116 lead to Cross in the centre bore that bearing is arranged in the first output end 402 and the second output end 401.First output end 402 and second Output end 401 is two flanges, two output ends are fastened by planet carrier bolt 403 and nut 404 to be formed one it is hollow Planet carrier 400, arrangement four lubrication grooves 108.1,108.2,108.3 and 108.4 being arranged in parallel in planet carrier 400, many Output pin 125 is through the pin-and-hole in 4 lubrication grooves 108.1,108.2,108.3 and 108.4 being arranged in parallel, 125 two ends of output pin It is arranged in the first output end 402 and the second output end 401, on output pin 125, is disposed with guide 127；On planet carrier 400 The first output end 402 and the second output end 401 be arranged on the inside of foreign steamer 102 (or being referred to as " shell ") two by base bearing End, and oil sealing is disposed between foreign steamer 102, prevent the in-house oil leak of Inside gear drive.
Below, with reference to by 116 (i.e. eccentrically weighted shaft) input power of eccentric rotary device and by the output power of lubrication groove 108 Deceleration mode, specifically describe Fig. 7 A and 7B shown in mechanism how to work.
In this deceleration mode, eccentrically weighted shaft 116 is linked together with power source (such as motor), planet carrier 400 with The device of external reception power links together, and foreign steamer 102 fixes (i.e. foreign steamer is maintained static) with pedestal.When electric motor starting work When making, eccentrically weighted shaft 116 is rotated with the rotating speed same with motor, and its eccentric segment 115 passes through eccentric shaft during rotation Hold driving lubrication groove 108 and make eccentric center translation.The frequency of 108 eccentric center translation of lubrication groove is identical with the rotating speed of eccentrically weighted shaft 116.Meanwhile, it is interior Tooth on wheel 108 is produced with the needle roller on foreign steamer 102 and is engaged so that lubrication groove 108 is produced and rotates (rotation).Specifically, due to The number of teeth of lubrication groove 108 and the difference of needle roller quantity are a, and according to internal messing few teeth difference principle, lubrication groove 108 is (i.e. inclined per translation one week Heart rotating shaft 116 often rotates 360 °), by the angle of simultaneously a tooth of rotation, and the rotation of the direction of rotation and eccentrically weighted shaft 116 It is in opposite direction.This has in the diagram of Fig. 4 A-4F intuitively illustrates very much.With the rotation of lubrication groove 108, the power of lubrication groove 108 Planet carrier 400 is passed to by the pin 125 in lubrication groove, so that planet carrier 400 is driven while rotating, and passes through planet carrier 400 the first output end 401 and/or the second output end 402 output power to external device (ED).So as to by Fig. 7 A and 7B institutes The device for showing realizes the deceleration transmission between input and output.
As being previously mentioned, the Inside gear drive mechanism of the present invention is except deceleration mould described in detail above Beyond formula, it is also possible to fix the first output end 402 and the second output end 401, will planet carrier 400 fix, work as eccentric rotary When device 116 is rotated with motor, as planet carrier 400 is maintained static, lubrication groove 108 can only produce eccentric center translation, during translation 102 low speed rotation of foreign steamer output torque are driven by engaging, and the rotation direction of foreign steamer 102 and eccentric rotary device 116 Direction of rotation is identical.In addition, the Inside gear drive mechanism of the present invention can also realize speedup effect, if by the first output end 402 or second output end 401 be input into for low speed, foreign steamer 102 and pedestal are fixed (or by the first output end 402 or the second output End 401 is fixed, and foreign steamer 102 is input into for low speed), eccentrically weighted shaft 116 will reach speedup effect rotate at high speed.
Two kinds of typical case's applications and its course of work of the Inside gear drive mechanism of the present invention has been described in detail above.Foreign steamer, Any one in lubrication groove and eccentric rotary device can connect power intake, and foreign steamer, lubrication groove and eccentric rotary device In any another one degree can connect clutch end, to transmit power by engaged transmission between foreign steamer and lubrication groove.With Upper content is exemplary explanation, rather than the restriction of the application to the present invention.Those skilled in the art can be according to reality Need for the Inside gear drive mechanism of the present invention to be applied to various required modes.
Although present invention is described for the specific embodiment shown in refer to the attached drawing, but it is to be understood that not Away from present invention teach that scope and background under, the present invention by structural adjustment can realize various lubrication grooves form and Slow down or speedup form.It is presently disclosed to change that art technology those of ordinary skill will additionally appreciate different modes Embodiment in parameter, such as type of size, shape, element or material, each fall within the claims in the present invention spirit and In the range of.

Claims (53)

1. a kind of Inside gear drive mechanism, including：
Foreign steamer (102), the inward flange (103) of foreign steamer (102) be provided with the circle-arc tooth of the first quantity (104 (i), i=1, 2 ..., m), (104 (i), i=1,2 ..., the inward flange (103) for m) surrounding the foreign steamer sets the circle-arc tooth of first quantity Put；
Lubrication groove (108), the outward flange (109) of lubrication groove (108) be provided with the tooth of the second quantity (110 (j), j=1,2 ..., N), (110 (j), j=1,2 ..., n) are arranged, the m tooth of second quantity around the outward flange (109) of the lubrication groove>n；
It is characterized in that：
(110 (j), (j=1,2 ..., n) include each tooth：
One tooth top (202), the shape of tooth top (202) are designed to when lubrication groove (108) is with foreign steamer (102) engaged transmission, tooth top (202) do not contact with the circle-arc tooth on foreign steamer (102) at any time；And
Two tooth waists (203), are connected to the both sides of tooth top (202), and the shape of tooth waist (203) is designed in lubrication groove (108) During with foreign steamer (102) engaged transmission, tooth waist (203) is periodically contacting and separating with the circle-arc tooth on foreign steamer (102), so that institute State realize in the case of without interference between the tooth in lubrication groove (108) and the circle-arc tooth on foreign steamer (102) it is multiple tooth while engaging；
Also include several tooth roots (201) on the outward flange (109) of lubrication groove (108), two adjacent teeth are connected.
2. Inside gear drive mechanism as claimed in claim 1, it is characterised in that：
Tooth root (201) is one section of curve or straight line；
Tooth top (202) is one section of curve or straight line；And
Tooth waist (203) is smooth composite curve, and which is made up of one or more in curve, straight line, circular arc and line transect.
3. Inside gear drive mechanism as claimed in claim 2, it is characterised in that：
The part of tooth waist (203) is curve, when the curve is lubrication groove (108) and foreign steamer (102) engaged transmission, in setting Mesh regional in circle-arc tooth on the gear teeth and foreign steamer a series of one section of envelope being formed of meshing points so that setting It is multiple tooth in fixed mesh regional to have no interference while engaging, and the circle-arc tooth in the mesh regional of setting is outer on the gear teeth and foreign steamer Contactless or engagement.
4. Inside gear drive mechanism as claimed in claim 3, it is characterised in that：
In the length of envelope and tooth and foreign steamer (102) on the position of tooth waist (203) is depending on desired lubrication groove (108) Circle-arc tooth engagement quantity and engagement it is interval.
5. Inside gear drive mechanism as claimed in claim 3, it is characterised in that：
The curve or straight line for forming the tooth top (202) is smooth by easement curve (212) with the envelope of tooth waist (203) Connection.
6. Inside gear drive mechanism as claimed in claim 3, it is characterised in that：
The curve or straight line of the tooth root (201) are formed with the envelope of tooth waist (203) by easement curve and/or straight line (214) it is smoothly connected, tooth root (201) is not contacted with the circle-arc tooth on foreign steamer (102) at any time.
7. Inside gear drive mechanism as claimed in claim 3, it is characterised in that：
The envelope of the curve and tooth waist (203) that form the tooth root (201) is same envelope.
8. Inside gear drive mechanism as claimed in claim 1, it is characterised in that also include：
Eccentric rotary device (116), eccentric rotary device (116) can drive the lubrication groove (108), so that in described Wheel (108) carries out eccentric center translation and/or rotation relative to foreign steamer inward flange (103).
9. Inside gear drive mechanism as claimed in claim 1, it is characterised in that：
In the lubrication groove (108) and foreign steamer (102) engaged transmission whenever, tooth (110 (j), the j=of second quantity 1,2 ..., n) in a part and first quantity circle-arc tooth (104 (i), i=1,2 ..., m) in part engagement or Contact, and second quantity tooth (110 (j), j=1,2 ..., the circle-arc tooth of remainder n) and first quantity (104 (i), i=1,2 ..., m) depart from.
10. Inside gear drive mechanism as claimed in claim 8, it is characterised in that：
M-n=a a ∈ (the 1,2,3... natural numbers)；
When described eccentric rotary device (116) rotate a cycle (360 degree), lubrication groove (108) rotates the angle of a tooth, and The direction of rotation of lubrication groove (108) is contrary with eccentric rotary device (116) rotation direction.
11. Inside gear drive mechanisms as claimed in claim 1, it is characterised in that：
(104 (i), i=1,2 ..., m) are needle roller to the circle-arc tooth of the first quantity on foreign steamer (102).
12. Inside gear drive mechanisms as claimed in claim 9, it is characterised in that also include：
Eccentric rotary device (116), eccentric rotary device (116) can drive the lubrication groove (108), so that in described Wheel (108) carries out eccentric center translation and/or rotation relative to foreign steamer inward flange (103)；
The offset d of eccentric rotary device (116) is more than r/2, and wherein r is needle roller radius.
13. Inside gear drive mechanisms as claimed in claim 1, it is characterised in that：
(104 (i), i=1,2 ..., m) are needle roller to the circle-arc tooth of the first quantity on foreign steamer (102)；
In all positions of engagement of the tooth and needle roller of lubrication groove (108), any on needle roller center to corresponding tooth root (201) Radius of the distance of point more than or equal to needle roller.
14. Inside gear drive mechanisms as claimed in claim 11, it is characterised in that：
The inward flange (103) of foreign steamer (102) is provided with needle roller mounting groove (301), the radius of needle roller mounting groove (301) and rolling Pin radius is identical.
15. Inside gear drive mechanisms as claimed in claim 14, it is characterised in that：
The two ends of needle roller by needle roller centring ring (302,304) support, needle roller be positioned in the needle roller mounting groove (301) of foreign steamer, Needle roller can be rotated in needle roller mounting groove (301).
16. Inside gear drive mechanisms as claimed in claim 1, it is characterised in that：
In the lubrication groove (108) and foreign steamer (102) engaged transmission, each tooth top (202) in the lubrication groove (108) with Circle-arc tooth is not in contact with.
17. Inside gear drive mechanisms as claimed in claim 6, it is characterised in that：
In the lubrication groove (108) and foreign steamer (102) engaged transmission, each tooth top (202) in the lubrication groove (108) and Each tooth root (201) is not in contact with circle-arc tooth.
18. Inside gear drive mechanisms as claimed in claim 8, it is characterised in that：
Described eccentric rotary device (116) rotate a cycle during, each tooth of lubrication groove (108) with it is described Circle-arc tooth on foreign steamer (102) at least departs from once.
19. Inside gear drive mechanisms as claimed in claim 1, it is characterised in that：
The Inside gear drive mechanism is provided with least four lubrication grooves being arranged in parallel (108.1,108.2,108.3,108.4).
20. Inside gear drive mechanisms as claimed in claim 1, it is characterised in that：
In the lubrication groove (108) and foreign steamer (102) engaged transmission whenever, first quantity circle-arc tooth (104 (i), I=1,2 ..., m) (110 (j), j=1,2 ..., the quantity for n) engaging is less than the circle-arc tooth with the tooth of second quantity The 60% of total quantity.
21. Inside gear drive mechanisms as claimed in claim 1, it is characterised in that：
The Inside gear drive mechanism also includes planet carrier (400), and described lubrication groove (108) are arranged on the planet carrier (400), To transmit power between lubrication groove (108) and planet carrier (400).
22. Inside gear drive mechanisms as claimed in claim 21, it is characterised in that：
Described planet carrier (400) are arranged on the foreign steamer (102) inside, and are arranged on eccentric rotary device (116).
23. a kind of Inside gear drive mechanisms, it is characterised in that include：
Foreign steamer (102), foreign steamer inward flange (103) be provided with the first quantity circle-arc tooth (104 (i), i=1,2 ..., m), (104 (i), i=1,2 ..., m) are arranged the circle-arc tooth of first quantity around described foreign steamer inward flange (103)；
Lubrication groove (108), lubrication groove outward flange (109) be provided with the second quantity tooth (110 (j), j=1,2 ..., it is n), described (110 (j), j=1,2 ..., n) are arranged, the m tooth of the second quantity around described lubrication groove outward flange (109)>n；
Eccentric rotary device (116), eccentric rotary device (116) enable to the lubrication groove (108) arranged off-centre；
Wherein, any one connection power input in foreign steamer (102), lubrication groove (108) and eccentric rotary device (116) End, any another one connection clutch end in foreign steamer (102), lubrication groove (108) and eccentric rotary device (116), with Power is transmitted by the engaged transmission between foreign steamer (102) and lubrication groove (108)；
And wherein, the design of the flute profile on lubrication groove (108) is caused in lubrication groove (108) and foreign steamer (102) engaged transmission Whenever, second quantity tooth (110 (j), j=1,2 ..., n) in a part and first quantity circle-arc tooth (104 (i), i=1,2 ..., m) in a part engagement or contact, and second quantity tooth (110 (j), j=1, 2 ..., (104 (i), i=1,2 ..., m) depart from the circle-arc tooth of remainder n) and first quantity.
24. Inside gear drive mechanisms as claimed in claim 23, it is characterised in that：
(110 (j), (j=1,2 ..., n) include each tooth in lubrication groove：
One tooth top (202), the shape of tooth top (202) are designed to when lubrication groove (108) is with foreign steamer (102) engaged transmission, tooth top (202) do not contact with the circle-arc tooth on foreign steamer (102) at any time；And
Two tooth waists (203), are connected to the both sides of tooth top (202), and the shape of tooth waist (203) is designed in lubrication groove (108) During with foreign steamer (102) engaged transmission, tooth waist (203) is periodically contacting and separating with the circle-arc tooth on foreign steamer, with described interior Realize in the case of without interference between tooth and the circle-arc tooth on foreign steamer (102) on wheel (108) multiple tooth while engaging；
Also include several tooth roots (201) on the outward flange (109) of lubrication groove (108), two adjacent teeth are connected.
25. Inside gear drive mechanisms as claimed in claim 24, it is characterised in that：
Tooth root (201) is one section of curve or straight line；
Tooth top (202) is one section of curve or straight line；And
Tooth waist (203) is smooth composite curve, and which is made up of one or more in curve, straight line, circular arc and line transect.
26. Inside gear drive mechanisms as claimed in claim 25, it is characterised in that：
The part of tooth waist (203) is curve, when the curve is lubrication groove (108) and foreign steamer (102) engaged transmission, in setting Mesh regional in circle-arc tooth on the gear teeth and foreign steamer a series of one section of envelope being formed of meshing points so that in setting Mesh regional in it is multiple tooth while engagement has no interferences, and the circle-arc tooth in the mesh regional of setting is outer on the gear teeth and foreign steamer without Contact is engaged.
27. Inside gear drive mechanisms as claimed in claim 26, it is characterised in that：
In the length of envelope and tooth and foreign steamer (102) on the position of tooth waist (203) is depending on desired lubrication groove (108) Circle-arc tooth engagement quantity and engagement it is interval.
28. Inside gear drive mechanisms as claimed in claim 26, it is characterised in that：
The curve or straight line for forming the tooth top (202) is smooth by easement curve (212) with the envelope of tooth waist (203) Connection.
29. Inside gear drive mechanisms as claimed in claim 26, it is characterised in that：
The curve or straight line of the tooth root (201) are formed with the envelope of tooth waist (203) by easement curve and/or straight line (214) it is smoothly connected, tooth root (201) is not contacted with the circle-arc tooth on foreign steamer (102) at any time.
30. Inside gear drive mechanisms as claimed in claim 26, it is characterised in that：
The envelope of the curve and tooth waist (203) that form the tooth root (201) is same envelope.
31. Inside gear drive mechanisms as claimed in claim 23, it is characterised in that：
M-n=a a ∈ (the 1,2,3... natural numbers)；
When described eccentric rotary device (116) rotate a cycle (360 degree), lubrication groove (108) rotates the angle of a tooth, and The direction of rotation of lubrication groove (108) is contrary with eccentric rotary device (116) rotation direction.
32. Inside gear drive mechanisms as claimed in claim 23, it is characterised in that：
(104 (i), i=1,2 ..., m) are needle roller to the circle-arc tooth of the first quantity on foreign steamer (102).
33. Inside gear drive mechanisms as claimed in claim 24, it is characterised in that：
(104 (i), i=1,2 ..., m) are needle roller to the circle-arc tooth of the first quantity on foreign steamer (102)；
In all positions of engagement of the tooth and needle roller of lubrication groove (108), any on needle roller center to corresponding tooth root (201) Radius of the distance of point more than or equal to needle roller.
34. Inside gear drive mechanisms as claimed in claim 23, it is characterised in that：
The offset d of eccentric rotary device (116) is more than r/2, and wherein r is needle roller radius.
35. Inside gear drive mechanisms as claimed in claim 32, it is characterised in that：
The inward flange (103) of foreign steamer (102) is provided with needle roller mounting groove (301), the radius of needle roller mounting groove (301) and rolling Pin radius is identical.
36. Inside gear drive mechanisms as claimed in claim 35, it is characterised in that：
By needle roller centring ring, (302,304) needle roller is positioned at the needle roller mounting groove of foreign steamer (102) by support at the two ends of the needle roller (301), in, needle roller can be rotated in needle roller mounting groove (301).
37. Inside gear drive mechanisms as claimed in claim 24, it is characterised in that：
During circle-arc tooth engaged transmission on the lubrication groove (108) and foreign steamer (102), each in the lubrication groove (108) Tooth top (202) is not in contact with circle-arc tooth.
38. Inside gear drive mechanisms as claimed in claim 29, it is characterised in that：
In the lubrication groove (108) and foreign steamer (102) engaged transmission, each tooth top (202) in the lubrication groove (108) and Each tooth root (201) is not in contact with circle-arc tooth.
39. Inside gear drive mechanisms as claimed in claim 23, it is characterised in that：
During described eccentric rotary device (116) rotate a cycle, each tooth and institute in lubrication groove (108) The circle-arc tooth stated on foreign steamer (102) at least departs from once.
40. Inside gear drive mechanisms as claimed in claim 23, it is characterised in that：
The Inside gear drive mechanism is provided with least four lubrication grooves being arranged in parallel (108.1,108.2,108.3,108.4).
41. Inside gear drive mechanisms as claimed in claim 23, it is characterised in that：
In the lubrication groove (108) and foreign steamer (102) engaged transmission whenever, first quantity circle-arc tooth (104 (i), I=1,2 ..., m) (110 (j), j=1,2 ..., the quantity for n) engaging is less than the circle-arc tooth with the tooth of second quantity The 60% of total quantity.
42. Inside gear drive mechanisms as claimed in claim 23, it is characterised in that：
The Inside gear drive mechanism also includes planet carrier (400), and described lubrication groove (108) are arranged on the planet carrier (400), To transmit power between lubrication groove (108) and planet carrier (400).
43. Inside gear drive mechanisms as claimed in claim 42, it is characterised in that：
Described planet carrier (400) are arranged on the foreign steamer (102) inside, and are arranged on eccentric rotary device (116).
44. a kind of lubrication groove (108), in Inside gear drive mechanism with foreign steamer (102) engaged transmission, the outside of the lubrication groove Edge (109) be provided with the second quantity tooth (110 (j), j=1,2 ..., n), for institute on the inward flange of the foreign steamer (103) Arrange the first quantity circle-arc tooth (104 (i), i=1,2 ..., m) engaged transmission, tooth (110 (j), the j of second quantity =1,2 ..., n) arrange around the outward flange (109) of the lubrication groove, wherein (110 (j), (j=1,2 ..., n) include each tooth：
One tooth top (202), the shape of tooth top (202) are designed to when lubrication groove (108) is with foreign steamer (102) engaged transmission, tooth top (202) do not contact with the circle-arc tooth on foreign steamer (102) at any time；And
Two tooth waists (203), are connected to the both sides of tooth top (202), and the shape of tooth waist (203) is designed in lubrication groove (108) During with foreign steamer (102) engaged transmission, tooth waist (203) is periodically contacting and separating with foreign steamer (102), so that the lubrication groove (108) realize in the case of without interference between foreign steamer (102) multiple tooth while engaging；
Also include several tooth roots (201) on the outward flange (109) of lubrication groove (108), two adjacent teeth are connected.
45. lubrication grooves as claimed in claim 44, it is characterised in that：
Tooth root (201) is one section of curve or straight line；
Tooth top (202) is one section of curve or straight line；And
Tooth waist (203) is smooth composite curve, and which is made up of one or more in curve, straight line, circular arc and line transect.
46. lubrication grooves as claimed in claim 44, it is characterised in that：
The part of tooth waist (203) is curve, when the curve is lubrication groove (108) and foreign steamer (102) engaged transmission, in setting Mesh regional in circle-arc tooth on the gear teeth and foreign steamer a series of one section of envelope being formed of meshing points so that in setting Mesh regional in it is multiple tooth while engagement has no interferences, and the circle-arc tooth in the mesh regional of setting is outer on the gear teeth and foreign steamer without Contact is engaged.
47. lubrication grooves as claimed in claim 46, it is characterised in that：
In the length of envelope and tooth and foreign steamer (102) on the position of tooth waist (203) is depending on desired lubrication groove (108) Circle-arc tooth engagement quantity and engagement it is interval.
48. lubrication grooves as claimed in claim 46, it is characterised in that：
The curve or straight line for forming the tooth top (202) is smooth by easement curve (212) with the envelope of tooth waist (203) Connection.
49. lubrication grooves as claimed in claim 46, it is characterised in that：
The curve or straight line of the tooth root (201) are formed with the envelope of tooth waist (203) by easement curve and/or straight line (214) it is smoothly connected, tooth root (201) is not contacted with the circle-arc tooth on foreign steamer (102) at any time.
50. lubrication grooves as claimed in claim 46, it is characterised in that：
The envelope of the curve and tooth waist (203) that form the tooth root (201) is same envelope.
A kind of 51. Inside gear drive mechanisms, appointing including any one technical characteristic in claim 1-22 or technical characteristic Meaning combination.
A kind of 52. Inside gear drive mechanisms, appointing including any one technical characteristic in claim 23-43 or technical characteristic Meaning combination.
A kind of 53. lubrication grooves, including any combination of any one technical characteristic or technical characteristic in claim 44-50.
CN201620555031.8U 2015-10-13 2016-06-08 Inner gearing drive mechanism and interior wheel thereof Active CN206036135U (en)

Priority Applications (6)

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US15/767,521 US20180291996A1 (en) 2015-10-13 2016-10-11 Internally meshed transmission mechanism
EP16816732.8A EP3364071A2 (en) 2015-10-13 2016-10-11 Internally meshed transmission mechanism
KR1020187013515A KR20180069853A (en) 2015-10-13 2016-10-11 Intermixing transmission mechanism
CA3001644A CA3001644A1 (en) 2015-10-13 2016-10-11 Inner meshing transmission mechanism
JP2018519836A JP2018530721A (en) 2015-10-13 2016-10-11 Inner meshing transmission mechanism
PCT/IB2016/001459 WO2017064549A2 (en) 2015-10-13 2016-10-11 Internally meshed transmission mechanism

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CN2015106555889 2015-10-13
CN201510993164 2015-12-28
CN2015109931643 2015-12-28

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Cited By (2)

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CN107477151A (en) * 2016-06-08 2017-12-15 范正富 Inside gear drive mechanism
CN113389851A (en) * 2021-07-01 2021-09-14 珠海格力电器股份有限公司 Speed reducer pin retaining mechanism and RV speed reducer

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CN115929850A (en) * 2022-09-21 2023-04-07 珠海格力电器股份有限公司 A needle gear housing and RV reducer

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Publication number Priority date Publication date Assignee Title
CN107477151A (en) * 2016-06-08 2017-12-15 范正富 Inside gear drive mechanism
CN113389851A (en) * 2021-07-01 2021-09-14 珠海格力电器股份有限公司 Speed reducer pin retaining mechanism and RV speed reducer
CN113389851B (en) * 2021-07-01 2022-07-26 珠海格力电器股份有限公司 Speed reducer pin retaining mechanism and RV speed reducer

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Effective date of registration: 20180322

Address after: 315048 Zhejiang city of Ningbo province high tech Zone Seiitsu Road No. 66 building 044 Room 302

Patentee after: Ningbo Hansheng Transmission Technology Co., Ltd.

Address before: 100101 luster Road, No. 6, 4-3-401, Wangjing Development Zone, Chaoyang District, Beijing

Patentee before: Fan Zhengfu