CN114215438A - Integrated door hinge of single-spring double-cam structure - Google Patents
Integrated door hinge of single-spring double-cam structure Download PDFInfo
- Publication number
- CN114215438A CN114215438A CN202111478031.4A CN202111478031A CN114215438A CN 114215438 A CN114215438 A CN 114215438A CN 202111478031 A CN202111478031 A CN 202111478031A CN 114215438 A CN114215438 A CN 114215438A
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- Prior art keywords
- pin shaft
- connecting piece
- connecting pin
- vehicle body
- cam
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- 230000006835 compression Effects 0.000 claims abstract description 27
- 238000007906 compression Methods 0.000 claims abstract description 27
- 230000003014 reinforcing effect Effects 0.000 claims description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000003351 stiffener Substances 0.000 description 8
- 230000003139 buffering effect Effects 0.000 description 7
- 239000000428 dust Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 230000000452 restraining effect Effects 0.000 description 4
- 230000013011 mating Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D3/00—Hinges with pins
- E05D3/02—Hinges with pins with one pin
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D11/00—Additional features or accessories of hinges
- E05D11/10—Devices for preventing movement between relatively-movable hinge parts
- E05D11/1028—Devices for preventing movement between relatively-movable hinge parts for maintaining the hinge in two or more positions, e.g. intermediate or fully open
- E05D11/1042—Devices for preventing movement between relatively-movable hinge parts for maintaining the hinge in two or more positions, e.g. intermediate or fully open the maintaining means being a cam and a torsion bar, e.g. motor vehicle hinge mechanisms
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D5/00—Construction of single parts, e.g. the parts for attachment
- E05D5/02—Parts for attachment, e.g. flaps
- E05D5/0207—Parts for attachment, e.g. flaps for attachment to vehicles
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F5/00—Braking devices, e.g. checks; Stops; Buffers
- E05F5/06—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
- E05Y2900/53—Type of wing
- E05Y2900/531—Doors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hinge Accessories (AREA)
Abstract
The invention belongs to the field of vehicle door limiters, and discloses an integrated door hinge with a single-spring double-cam structure, which comprises a vehicle body connecting assembly and a limiting unit, wherein the vehicle body connecting assembly comprises a vehicle body connecting piece, a vehicle door connecting piece and a connecting pin shaft, and the connecting pin shaft is fixedly arranged on the vehicle door connecting piece; spacing unit establishes compression spring and two terminal surface cam components on connecting pin axle including all overlapping, and two terminal surface cam components are respectively in compression spring's both ends, terminal surface cam component includes by limit terminal surface cam and spacing terminal surface cam, by limit terminal surface cam set firmly on automobile body connecting piece, spacing terminal surface cam and compression spring butt, and the fixed cover of spacing terminal surface cam is established on connecting pin axle, by limit terminal surface cam have by limit portion, spacing terminal surface cam has spacing portion, by limit portion and spacing portion along the unsmooth correspondence of axis of connecting pin axle.
Description
Technical Field
The invention belongs to the field of vehicle door limiters, and particularly relates to an integrated door hinge with a single-spring double-cam structure.
Background
An integrated door hinge is widely used as a hinge member having a stopper function for use between a vehicle door and a vehicle body, with the advantage that it occupies a small space inside the vehicle door.
At present, as shown in fig. 1, the existing integrated door hinge includes two end cams that are in concave-convex fit with each other, and by providing a compression spring at one side of the two end cams, and the compression spring is in a compressed state, the integrated door hinge has a predetermined limit force by an elastic restoring force of the compression spring, that is, an effective arm of the limit force formed on the contact profile of the end cams depends on the elastic restoring force of the compression spring generated in the axial direction of the end cams that are in fit with each other.
The integrated door hinge is mature in technology and convenient to construct, but with the increasing market demands, higher requirements are put on the miniaturization of the integrated door hinge, in order to meet the requirements so as to obtain more markets, the research and development design of the miniaturization of the integrated door hinge becomes the development focus of companies at present, but the contact stress of the end face cam contact profile is greatly increased by increasing the spring, and the service life of the integrated hinge is influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the integrated door hinge with the single-spring double-cam structure, which not only can obviously improve the limiting force of the integrated door hinge with the single-spring double-cam structure under the condition of the same volume, but also does not need to increase the contact stress of a related contact molded surface.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an integrated hinge of single spring biconvex wheel structure, sets up between automobile body and door, its characterized in that includes: the vehicle body connecting assembly comprises a vehicle body connecting piece arranged on a vehicle body, a vehicle door connecting piece arranged on a vehicle door and a connecting pin shaft penetrating through the vehicle body connecting piece and the vehicle door connecting piece, and the connecting pin shaft is fixedly arranged on the vehicle door connecting piece; spacing unit, establish compression spring and two terminal surface cam components on connecting pin axle including all overlapping, and two terminal surface cam components are respectively in compression spring's both ends, wherein, two terminal surface cam component symmetries set up, terminal surface cam component is including being limited terminal surface cam and spacing terminal surface cam, it has the stiff end and is limited the end to be limited terminal surface cam, spacing terminal surface cam has butt end and spacing end, it sets firmly on automobile body connecting piece through the stiff end to be limited terminal surface cam, spacing terminal surface cam passes through butt end and compression spring butt, and the fixed cover of spacing terminal surface cam is established on connecting pin axle, it has by the limit portion to be limited the end, spacing end has spacing portion, by the unsmooth correspondence of axis of limit portion and spacing portion along connecting pin axle.
Preferably, the body connecting pieces and the door connecting pieces are stamping pieces, the number of the body connecting pieces and the door connecting pieces is two and are symmetrically arranged, and the two body connecting pieces are arranged between the two door connecting pieces.
Furthermore, the limiting unit further comprises a limiting force adjusting nut, the limiting force adjusting nut is located between the vehicle body connecting piece and the vehicle door connecting piece, the connecting pin shaft is provided with an adjusting thread section arranged along the axis of the connecting pin shaft, the limiting force adjusting nut is matched with the adjusting thread section, and the limiting unit is arranged between the two vehicle body connecting pieces through the limiting force adjusting nut in a locking mode.
Furthermore, the automobile body dustproof device further comprises an dustproof sleeve which is sleeved outside the limiting unit and is positioned between the two automobile body connecting pieces.
Preferably, the circumferential surface of the connecting pin shaft is provided with a rotation stopping groove, the rotation stopping groove extends along the axis direction of the connecting pin shaft, the limiting end face cam is provided with a positioning through hole, the inner wall of a pore channel of the positioning through hole is provided with a rotation stopping convex strip, and the rotation stopping convex strip is matched with the rotation stopping groove.
Furthermore, still have radial vibration dashpot and cooperation on connecting pin axle global and set up the flexible radial buffer block in radial vibration dashpot, radial vibration dashpot sets up along connecting pin axle's axial extension, still has buffering cooperation groove on positioning hole's the pore inner wall, buffering cooperation groove and the cooperation of radial buffer block.
Furthermore, the connecting pin shaft is provided with a locking shaft section, a positioning shaft section, an adjusting thread section and a connecting shaft section which are sequentially and continuously distributed from the edge of the head of the connecting pin shaft along the axis of the connecting pin shaft, the circumferential surface of the locking shaft section is provided with a knurled structure in interference fit with the vehicle door connecting piece, the positioning shaft section is matched with the positioning through hole, and the circumferential direction of the connecting shaft section is provided with a fixed snap spring.
Preferably, the vehicle door connecting piece further comprises a stop reinforcing rod which is arranged on the two vehicle body connecting pieces in a penetrating mode and parallel to the axis of the connecting pin shaft, the closest distance between the stop reinforcing rod and the connecting pin shaft is used as the reinforcing rod distance, the vehicle door connecting piece is provided with a stop crank portion which extends along the corresponding radial direction relative to the axis of the connecting pin shaft, the distance length between the end portion of the free end of the stop crank portion and the axis of the connecting pin shaft is used as the crank portion length, the crank portion length is larger than the reinforcing rod distance, and when the stop reinforcing rod rotates around the connecting pin shaft, the stop reinforcing rod interferes with the stop crank portion.
Preferably, the vehicle body connecting piece is a section steel piece, the vehicle door connecting piece is a forged piece, the vehicle body connecting piece is provided with a vehicle body side matching part, the vehicle door connecting piece is provided with a sleeving through hole, the connecting pin shaft is provided with a pin shaft side matching part, the limiting unit is located in the sleeving through hole, the pin shaft side matching part is located on the outer side of the vehicle door connecting piece, and the vehicle body side matching part and the pin shaft side matching part are in concave-convex matching along the axis direction of the connecting pin shaft.
Preferably, the automobile body connecting piece is the shaped steel piece, and the door connecting piece is the stamping workpiece, and the automobile body connecting piece has automobile body side cooperation portion, and the door connecting piece includes installs the installation sleeve on the installation support with the installing support and the detachably of door support direct mount, and the connecting pin epaxial has round pin axle side cooperation portion, and spacing unit is located the installation sleeve, and round pin axle side cooperation portion is located the outside of door connecting piece to automobile body side cooperation portion and round pin axle side cooperation portion are along the unsmooth cooperation of connecting pin axle's axis direction.
Compared with the prior art, the invention has the beneficial effects that:
1. because the integrated door hinge of the single-spring double-cam structure comprises the vehicle body connecting assembly and the limiting unit, the vehicle body connecting assembly comprises the vehicle body connecting piece, the vehicle door connecting piece and the connecting pin shaft, and the connecting pin shaft is fixedly arranged on the vehicle door connecting piece; the limiting unit comprises a compression spring and two end face cam components which are sleeved on the connecting pin shaft, the two end face cam components are arranged at two ends of the compression spring respectively, the end face cam components comprise a limited end face cam and a limiting end face cam, the limited end face cam is fixedly arranged on the vehicle body connecting piece and is abutted with the compression spring, the limiting end face cam is fixedly sleeved on the connecting pin shaft and is provided with a limited part, the limiting end face cam is provided with a limiting part, the limited part and the limiting part are in concave-convex correspondence along the axis of the connecting pin shaft, restoring force generated by the compression spring provides axial force for the two end face cam components at two ends of the compression spring respectively, so that contact profiles between the two end face cam components obtain equal and symmetrical contact stress, namely the moment is doubled under the condition that the force arm of the limiting force is kept unchanged, and therefore, the invention not only can obviously improve the total limit of the integrated door hinge with a single-spring double-cam structure under the condition that the volume is the same The forces and the total moment are evenly distributed on the contact profiles of the two end face cam assemblies, so that the distributed contact stress on each contact profile is only half of the total limit maintaining stress, and the contact stress of the relevant contact profile does not need to be increased.
2. The limiting unit further comprises a limiting force adjusting nut, the limiting force adjusting nut is located between the vehicle body connecting piece and the vehicle door connecting piece, the connecting pin shaft is provided with an adjusting thread section arranged along the axis of the connecting pin shaft, the limiting force adjusting nut is matched with the adjusting thread section, the limiting unit is fixedly arranged between the two vehicle body connecting pieces through the limiting force adjusting nut, and the limiting force adjusting nut can compress or relax the compression spring to adjust the axial force received by the two end face cam assemblies.
3. Because the dustproof device also comprises the dustproof sleeve which is sleeved outside the limiting unit and is positioned between the two vehicle body connecting pieces, dust can be prevented from entering the limiting unit through the dustproof sleeve, the matching precision of the limiting unit is maintained, and abnormal sound caused by dust entering in the movement process is avoided.
4. Because the circumferential surface of the connecting pin shaft is provided with the rotation stopping groove which extends along the axis direction of the connecting pin shaft, the limiting end face cam is provided with the positioning through hole, the inner wall of the pore channel of the positioning through hole is provided with the rotation stopping convex strip, and the rotation stopping convex strip is matched with the rotation stopping groove, the rotation stopping convex strip and the rotation stopping groove can ensure that the limiting end face cam and the connecting pin shaft cannot relatively rotate through the matching of the rotation stopping convex strip and the rotation stopping groove.
5. The circumferential surface of the connecting pin shaft is also provided with a radial vibration buffer groove and a flexible radial buffer block which is arranged in the radial vibration buffer groove in a matched manner, the radial vibration buffer groove extends along the axial direction of the connecting pin shaft, the inner wall of the pore channel of the positioning through hole is also provided with a buffer matching groove, and the buffer matching groove is matched with the radial buffer block, so that the radial vibration of the connecting pin shaft matched in the positioning through hole is buffered through the flexible buffer matching groove, and abnormal sound caused by collision of the connecting pin shaft and the inner wall of the positioning through hole is prevented when the connecting pin shaft shakes along with a vehicle.
6. Because the invention also comprises a stop reinforcing rod which is simultaneously arranged on the two vehicle body connecting pieces in a penetrating way and is parallel to the axis of the connecting pin shaft, the closest distance between the stop reinforcing rod and the connecting pin shaft is taken as the distance of the reinforcing rod, the vehicle door connecting piece is provided with a stop crank part which is arranged along the corresponding radial extension direction relative to the axis of the connecting pin shaft, the distance length between the end part of the free end of the stop crank part and the axis of the connecting pin shaft is taken as the length of the crank part, the length of the crank part is larger than the distance of the reinforcing rod, when the stop reinforcing rod rotates around the connecting pin shaft, the stop reinforcing rod interferes with the stop crank part, namely when the vehicle door rotates to a preset angle relative to the vehicle body, the stop reinforcing rod interferes with the stop crank part, so that the vehicle door connecting piece stops, namely the vehicle door stops, and simultaneously, the stop reinforcing rod forms a connecting component of the two vehicle body connecting pieces outside the vehicle body, the integrity of the vehicle body connecting piece is enhanced, so that the stop reinforcing rod not only realizes the limit stop function of the vehicle door, but also greatly enhances the overall mechanism strength of the vehicle body connecting piece, and is not easy to deform due to frequent bearing of the restoring force of the spring of the compression spring, so that the matching of the limit units among the vehicle body connecting pieces is more stable.
Drawings
FIG. 1 is a schematic view of a prior art integrated door hinge;
fig. 2 is a schematic view of an integrated door hinge of a single-spring double-cam structure according to a first embodiment of the invention;
FIG. 3 is an exploded view of FIG. 2;
fig. 4 is a schematic view of a connection pin according to a first embodiment of the invention;
fig. 5 is an exploded view of a stopper unit according to a first embodiment of the present invention;
FIG. 6 is a schematic view of a restrained end cam according to a first embodiment of the present invention;
FIG. 7 is a schematic view of a limiting end cam according to a first embodiment of the invention;
fig. 8 is a schematic view of an integrated door hinge of a single spring double cam configuration according to a second embodiment of the present invention;
FIG. 9 is an exploded view of FIG. 8;
fig. 10 is a schematic view of a connecting pin according to a second embodiment of the present invention;
FIG. 11 is a schematic view of the assembly of the restrained end cam and the connecting collar according to the second embodiment of the present invention;
fig. 12 is a schematic view of an integrated door hinge of a single spring double cam configuration according to a third embodiment of the present invention;
FIG. 13 is an exploded view of FIG. 12;
FIG. 14 is an exploded view of a door link according to a third embodiment of the present invention;
fig. 15 is a schematic view of a mounting sleeve of a third embodiment of the present invention.
In the figure: 100. an integrated door hinge with a single-spring double-cam structure, 10, a vehicle body connecting assembly, 11A, a vehicle body connecting piece, 12A, a vehicle door connecting piece, 12A, a stop crank part, 13A, a connecting pin shaft, A, an assembly positioning shaft, 13A, a locking shaft section, 13B, a positioning shaft section, 13c, an adjusting screw section, 13d, a connecting shaft section, B, a fixing clamp spring, 1311, a rotation stop groove, 1312, a radial vibration buffer groove, 1313, a radial buffer block, 20, a limiting unit, 21, a compression spring, 22, an end face cam assembly, 221, a limited end face cam, 2211, a fixed end, 2212, a limited end, 2212A, a limited part, 2213, a shaft through hole, 222, a limiting end face cam, 2221, an abutting end, 2222, a limiting end, 2222A limiting part, 2223, a positioning through hole, 22231, a rotation stop raised line, 22233, a buffer groove, 23, a limiting force adjusting nut, 30, an ash-proof sleeve, 40. a stop reinforcing rod, 11B, a vehicle body connecting piece, 111, a crank part, 112, a sleeve part, 1121, a vehicle body side matching part, 12B, a vehicle door connecting piece, 12B, a sleeving through hole, 13B, a connecting pin shaft, C, a fixing screw, 13e, a fixing screw hole, 13 a', a through hole shaft section, 132, a driving flange, 133, a pin shaft side matching part, 14, a dust cover shell, 2214, a flexible buffer strip, 2215, a positioning bulge, 24, a connecting lantern ring, 241, a clamping through hole, 2411, an in-ring buffer groove, 2412, an in-ring positioning groove, D, a matching gasket, 11C, a vehicle body connecting piece, 12C, a vehicle door connecting piece, 121, an installation support, 122, an installation sleeve, 1221, an in-cylinder buffer groove, 1222 and an in-cylinder positioning groove.
Detailed Description
In order to make the technical means, the original features, the achieved objects and the effects of the present invention easily understood, the following examples are specifically set forth in the integrated door hinge of the single-spring double-cam structure of the present invention with reference to the accompanying drawings, and it is to be noted that the description of the embodiments is provided for facilitating the understanding of the present invention, but not for limiting the present invention.
< example one >
As shown in fig. 2 and 3, the integrated door hinge 100 of a single-spring double-cam structure in the present embodiment is disposed between a vehicle body and a vehicle door, and includes a vehicle body coupling assembly 10, a stopper unit 20, an ash prevention sleeve 30, and a stopper reinforcement bar 40.
The vehicle body attachment assembly 10 includes a vehicle body attachment 11A, a door attachment 12A, and a connecting pin 13A.
Automobile body connecting piece 11A and door connecting piece 12A are the stamping workpiece, quantity is two and the symmetry sets up, and two automobile body connecting piece 11A set up between two door connecting piece 12A, automobile body connecting piece 11A installs on the automobile body, door connecting piece 12A installs on the door, connecting pin axle 13A wears to establish on automobile body connecting piece 11A and door connecting piece 12A simultaneously, and connecting pin axle 13A sets firmly on door connecting piece 12A, regard connecting pin axle 13A's the direction that sets up as subassembly location axle A, specifically, automobile body connecting piece 11A and door connecting piece 12A are the angle bar structure.
The door link 12A has a stopper crank portion 12A provided to extend in a corresponding radial direction with respect to the module positioning axis a, that is, when the door link 12A rotates about the module positioning axis a, the stopper crank portion 12A extends in the radial direction of the rotation circumference, and the length of the distance between the end of the free end of the stopper crank portion 12A and the module positioning axis a is taken as the crank length.
As shown in fig. 4, the connecting pin 13A has a locking shaft section 13A, a positioning shaft section 13b, an adjusting screw section 13c and a connecting shaft section 13d, which are successively distributed from the edge of the head portion of the connecting pin along the axis of the connecting pin.
The circumferential surface of the locking shaft section 13A is provided with a knurled structure in interference fit with the vehicle door connecting piece 12A, the positioning shaft section 13B is matched with the limiting unit 20, the circumferential direction of the connecting shaft section 13d is provided with a fixing clamp spring B, and the connecting pin shaft 13A is fixedly arranged on the vehicle door connecting piece 12A and the vehicle body connecting piece 11A through the fixing clamp spring B.
The positioning shaft section 13b of the connecting pin 13A has a detent groove 1311, a radial vibration damping groove 1312, and a flexible radial damping block 1313 on the circumferential surface thereof.
The rotation stopping groove 1311 and the radial vibration buffering groove 1312 extend along the component positioning axis a, the radial buffering block 1313 is cooperatively arranged in the radial vibration buffering groove 1312, specifically, the radial buffering block 1323 protrudes out of the surface of the positioning shaft section 132, in this embodiment, the rotation stopping groove 1321 and the radial vibration buffering groove 1322 are two in number and are oppositely arranged.
As shown in fig. 5 to 7, the limiting unit 20 includes a compression spring 21, two end-face cam assemblies 22, and a limiting force adjusting nut 23, all of which are sleeved on the connecting pin shaft 13A.
The two end face cam assemblies 22 are symmetrically disposed at both ends of the compression spring 21, and the end face cam assembly 22 includes a limited end face cam 221 and a limited end face cam 222.
The limited end face cam 221 comprises a fixed end 2211, a limited end 2212 and a through shaft through hole 2213, the fixed end 2211 is provided with a knurled structure, the limited end face cam 221 is fixedly arranged on the vehicle body connecting piece 11A in an interference fit mode through the fixed end 2211, the limited end 2212 is provided with a limited portion 2212a, the connecting pin shaft 13A penetrates through the limited end face cam 221 through the through shaft through hole 2213, and the limited portion 2212a is in a protruding structure protruding out of the end face of the limited end 2212 in the embodiment and is multiple in number.
The limit end cam 222 has an abutting end 2221, a limit end 2222 and a positioning through hole 2223, the limit end cam 222 abuts against the compression spring 21 through the abutting end 2221, the limit end cam 222 is fixed through the positioning through hole 2223 and is fittingly sleeved on the positioning shaft section 13b of the connecting pin shaft 13A, the limit end 2222 has a limit portion 2222A, and the limited portion 2212A and the limit portion 2222A are in concave-convex correspondence along the assembly connecting shaft a direction, specifically, when the door connector 12A rotates relative to the body connector 11A, the limited end cam 221 is driven to rotate relative to the limit end cam 222, that is, the limited end 2212 and the limit end 2222 rotate relative to each other, when the limited portion 2212A and the limit portion 2222A are in concave-convex fit, the limit function is realized in this embodiment, the limited portion 2212A overcomes the fit of the limit portion 2222A by applying an external force, and the door connector 12A can continue to rotate relative to the body connector 11A, in the above process, the limiting force of the present embodiment is generated based on the axial force generated by the two ends of the compression spring 21 to the end surface cam assembly 22, and in the present embodiment, the limiting portion 2222a is a concave structure that is concave to the end surface of the limiting end 2222, and the number of the limiting portions is the same as that of the limited portions 2212a and corresponds to one another.
The positioning through hole 2223 has a rotation stop protrusion 22231 and a buffer matching groove 22233 on the inner wall of the hole passage, the rotation stop protrusion 22231 is matched with the rotation stop groove 1311, and the buffer matching groove 22233 is matched with the radial buffer block 1313.
The restraining force adjusting nut 23 is located between the vehicle body attachment 11A and the door attachment 12A and is screw-engaged with the adjusting screw section 13c, and the restraining unit 20 is lock-disposed between the two vehicle body attachments 11A by the restraining force adjusting nut 24, and specifically, by screwing or unscrewing the restraining force adjusting nut 23, the distance between the two vehicle body attachments 11A can be made to be reduced or enlarged, thereby causing the compression spring 21 to be compressed or released.
The dust-proof sleeve 30 is sleeved outside the limiting unit 20, and the dust-proof sleeve 30 is located between the two vehicle body connecting pieces 11A, so that external dust can be prevented from falling into the matching parts of the limiting unit 20.
End a stiffener 40 and wear to establish simultaneously on two automobile body connecting pieces 11A to end the tip protrusion automobile body connecting piece 11A of a stiffener 40 outside, end a stiffener 40 and subassembly location axle A parallel, will end the nearest distance of a stiffener 40 and connecting pin axle 13A as the stiffener distance, bent portion length is greater than the stiffener distance, when ending a stiffener 40 and rotating to predetermined angle around a subassembly location axle A, end a stiffener 40 and end a bent portion 12a and interfere, therefore stall.
< example two >
In the second embodiment, the same components as those in the first embodiment are denoted by the same reference numerals, and the same description thereof is omitted.
In the second embodiment, the structure of the integrated door hinge 100 of the single-spring double-cam structure is different from that of the first embodiment in that:
as shown in fig. 8, the body attachment 11B is a steel section, and the door attachment 12B is a forged piece.
The vehicle body connection member 11B has a crank portion 111, a sleeve portion 112, and a vehicle body side fitting portion 1121.
Specifically, the sleeve portion 112 is provided rotatably along the component positioning axis a, the crank portion 111 is integrally formed with the sleeve portion 112 and the crank portion 111 is rotated about the component positioning axis a, one end of the sleeve portion 112 is open, and the body-side fitting portion 1121 is formed at a solid edge of the open end of the sleeve portion 112.
As shown in fig. 9, the door connector 12B has a fitting through hole 12B, specifically, the door connector 12B is a base entity, the fitting through hole 12B is provided along the component positioning axis a, and the stopper unit 20 is fittingly provided in the fitting through hole 12B, and the tail of the connection pin 13B is covered by the dust cover case 14 outside the fitting through hole 12B.
As shown in fig. 10, the connecting pin 13B has a fixing screw hole 13e, a driving flange 132, and a pin-side fitting portion 133, and the connecting pin 13B has a via shaft section 13 a', a positioning shaft section 13B, and an adjusting screw section 13c which are continuously distributed from the edge of its head portion along its axis in this order.
Specifically, the driving flange 132 is formed between the head of the connecting pin 13B and the via hole shaft section 13a ', the pin shaft side fitting portion 133 is formed on the driving flange 132, and the pin shaft side fitting portion 133 is disposed toward the head of the connecting pin 13B, the pin shaft side fitting portion 133 is located outside the door connecting member 12B, and the vehicle body side fitting portion 1121 and the pin shaft side fitting portion 133 are engaged in a concave-convex manner in the direction of the assembly positioning axis a, the fixing screw hole 13e is located on the end face of the head of the connecting pin 13B, the sleeve portion 112 and the connecting pin 13B are screwed together by the fixing screw C and the fixing screw hole 13e, and the via hole shaft section 13 a' is inserted into the stopper unit 20 through a fitting bush (not shown in the drawings), the adjusting screw section 13C is restrained by a fitting washer D and locked by a stopper force adjusting nut 23, that is, the stopper unit 20 is restrained by the stopper force adjusting nut 23 between the driving flange 132 and the fitting washer D, specifically, by screwing or unscrewing the limiting force adjusting nut 23, the distance between the driving flange 132 and the mating washer D can be reduced or enlarged, so that the compression spring 21 is compressed or released, and in the present embodiment, the vehicle-body-side mating portion 1121 is of a concave structure and the pin-shaft-side mating portion 133 is of a convex structure.
As shown in fig. 11, specifically, a limited end cam 221 near the head of the connecting pin shaft 13B has a protruding and embedded flexible buffer strip 2214 and a positioning protrusion 2215 in the circumferential direction, the present embodiment further has a connecting collar 24, the connecting collar 24 has a clamping through hole 241, the inner wall of the clamping through hole 241 has an in-ring buffer groove 2411 and an in-ring positioning groove 2412 which are respectively matched with the flexible buffer strip 2214 and the positioning protrusion 2215 correspondingly, and the outer surface of the connecting collar 24 has a knurled structure which is in interference fit with the sleeving through hole 12B.
< example three >
In the third embodiment, the same components as those in the first embodiment are denoted by the same reference numerals, and the same description thereof will be omitted.
In the third embodiment, the structure of the integrated door hinge 100 of the single-spring double-cam structure is different from that of the second embodiment in that:
as shown in fig. 12 to 14, the body attachment member 11C is a steel member, and the door attachment member 12C is a stamped member.
The vehicle body attachment 11C has a vehicle body side engagement portion.
The door link 12C includes a mounting bracket 121 and a mounting sleeve 122.
The mounting bracket 121 is directly mounted to a door bracket (not shown) and the mounting sleeve 122 is detachably mounted to the mounting bracket 121.
The connecting pin 13B has a pin-side engaging portion 133, the stopper unit 20 is located in the mounting sleeve 122, the pin-side engaging portion 133 is located outside the door link 12C, and the vehicle-body-side engaging portion 1121 and the pin-side engaging portion 133 are engaged with each other in a concave-convex manner in the direction of the component positioning axis a.
Specifically, a limited end cam 221 near the tail of the connecting pin shaft 13B is provided with a protruding and embedded flexible buffer strip 2214 and a positioning protrusion 2215 in the circumferential direction.
As shown in fig. 15, the mounting sleeve 122 is a cylinder with an upper opening and a lower opening, the inside of the hole has an in-cylinder buffer groove 1221 and an in-cylinder positioning groove 1222 respectively corresponding to the flexible buffer strip 2214 and the positioning protrusion 2215, i.e. a limited end cam 221 is fittingly embedded in the mounting sleeve 122, and the portion of the limited end cam 221 extending out of the mounting sleeve 122 is covered by the dust cover shell 14, and the limiting force adjusting nut 23 limits the limiting unit 20 inside the mounting sleeve 122 through the fitting spacer D and the driving flange 132.
In particular, the attachment collar 24 is omitted from this embodiment.
The above-described embodiments are preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and changes can be made by those skilled in the art without inventive work within the scope of the appended claims.
Claims (10)
1. The utility model provides an integrated hinge of single spring biconvex wheel structure, sets up between automobile body and door, its characterized in that includes:
the vehicle body connecting assembly comprises a vehicle body connecting piece arranged on the vehicle body, a vehicle door connecting piece arranged on the vehicle door and a connecting pin shaft simultaneously penetrating through the vehicle body connecting piece and the vehicle door connecting piece, and the connecting pin shaft is fixedly arranged on the vehicle door connecting piece;
the limiting unit comprises a compression spring and two end surface cam components which are sleeved on the connecting pin shaft, the two end surface cam components are respectively arranged at two ends of the compression spring,
wherein the two end face cam assemblies are symmetrically arranged, each end face cam assembly comprises a limited end face cam and a limiting end face cam, each limited end face cam is provided with a fixed end and a limited end, each limiting end face cam is provided with a butt end and a limiting end, each limited end face cam is fixedly arranged on the vehicle body connecting piece through the fixed end, each limiting end face cam is abutted against the compression spring through the butt end, and the limiting end face cams are fixedly sleeved on the connecting pin shafts,
the limited end is provided with a limited part, the limiting end is provided with a limiting part, and the limited part and the limiting part correspond to each other in a concave-convex mode along the axis of the connecting shaft pin.
2. An integrated door hinge of single-spring double-cam structure according to claim 1, wherein:
the automobile body connecting piece with the door connecting piece is the stamping workpiece, and quantity is two and the symmetry sets up, and two the automobile body connecting piece sets up two between the door connecting piece.
3. An integrated door hinge of single-spring double-cam structure according to claim 2, wherein:
wherein the limiting unit further comprises a limiting force adjusting nut which is positioned between the vehicle body connecting piece and the vehicle door connecting piece,
the connecting pin shaft is provided with an adjusting thread section arranged along the axis of the connecting pin shaft,
the limiting force adjusting nut is matched with the adjusting thread section, and the limiting unit is arranged between the two vehicle body connecting pieces through the limiting force adjusting nut in a locking mode.
4. An integrated door hinge of single-spring double-cam structure according to claim 3, further comprising:
and the dustproof sleeve is sleeved outside the limiting unit and is positioned between the two vehicle body connecting pieces.
5. An integrated door hinge of single-spring double-cam structure according to claim 1, wherein:
wherein, the circumferential surface of the connecting pin shaft is provided with a rotation stopping groove which is arranged along the axial direction of the connecting pin shaft in an extending way,
the limiting end face cam is provided with a positioning through hole, the inner wall of a pore channel of the positioning through hole is provided with a rotation stopping convex strip, and the rotation stopping convex strip is matched with the rotation stopping groove.
6. An integrated door hinge of single-spring double-cam structure according to claim 5, wherein:
wherein, the circumferential surface of the connecting pin shaft is also provided with a radial vibration buffer groove and a flexible radial buffer block which is arranged in the radial vibration buffer groove in a matching way, the radial vibration buffer groove is arranged along the axial extension of the connecting pin shaft,
and the inner wall of the pore channel of the positioning through hole is also provided with a buffer matching groove which is matched with the radial buffer block.
7. An integrated door hinge of single-spring double-cam structure according to claim 5, wherein:
wherein the connecting pin shaft is provided with a locking shaft section, a positioning shaft section, an adjusting thread section and a connecting shaft section which are sequentially and continuously distributed from the edge of the head of the connecting pin shaft along the axis of the connecting pin shaft,
the circumferential surface of the locking shaft section is provided with a knurled structure in interference fit with the vehicle door connecting piece, the positioning shaft section is matched with the positioning through hole, and the circumferential direction of the connecting shaft section is provided with a fixing clamp spring.
8. An integrated door hinge of single-spring double-cam structure according to claim 1, further comprising:
the stop reinforcing rods simultaneously penetrate through the two vehicle body connecting pieces, are parallel to the axis of the connecting pin shaft, and take the shortest distance between the stop reinforcing rods and the connecting pin shaft as the distance between the reinforcing rods,
the vehicle door connecting piece is provided with a stop crank part which is arranged along the corresponding radial extension relative to the axis of the connecting pin shaft, the length of the distance between the end part of the free end of the stop crank part and the axis of the connecting pin shaft is used as the length of the crank part,
the length of the crank part is greater than the distance of the reinforcing rod, and when the stop reinforcing rod rotates around the connecting pin shaft, the stop reinforcing rod interferes with the stop crank part.
9. An integrated door hinge of single-spring double-cam structure according to claim 1, wherein:
wherein the vehicle body connecting piece is a section steel piece, the vehicle door connecting piece is a forged piece, the vehicle body connecting piece is provided with a vehicle body side matching part,
the vehicle door connecting piece is provided with a sleeving through hole, the connecting pin shaft is provided with a pin shaft side matching part,
the limiting unit is located in the sleeving through hole, the pin shaft side matching part is located on the outer side of the vehicle door connecting piece, and the vehicle body side matching part and the pin shaft side matching part are in concave-convex matching along the axis direction of the connecting pin shaft.
10. An integrated door hinge of single-spring double-cam structure according to claim 1, wherein:
wherein the vehicle body connecting piece is a section steel piece, the vehicle door connecting piece is a stamping piece, the vehicle body connecting piece is provided with a vehicle body side matching part,
the vehicle door connecting piece comprises a mounting bracket directly mounted with the vehicle door bracket and a mounting sleeve detachably mounted on the mounting bracket, the connecting pin shaft is provided with a pin shaft side matching part,
the limiting unit is located in the mounting sleeve, the pin shaft side matching portion is located on the outer side of the vehicle door connecting piece, and the vehicle body side matching portion and the pin shaft side matching portion are in concave-convex matching in the axis direction of the connecting pin shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111478031.4A CN114215438B (en) | 2021-12-06 | 2021-12-06 | Integrated door hinge with single spring and double cam structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111478031.4A CN114215438B (en) | 2021-12-06 | 2021-12-06 | Integrated door hinge with single spring and double cam structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114215438A true CN114215438A (en) | 2022-03-22 |
| CN114215438B CN114215438B (en) | 2024-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111478031.4A Active CN114215438B (en) | 2021-12-06 | 2021-12-06 | Integrated door hinge with single spring and double cam structure |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8700229D0 (en) * | 1987-01-07 | 1987-02-11 | Proffitt & Co Ltd S F | Vehicle door hinge |
| CA2273680A1 (en) * | 1998-08-01 | 2000-02-01 | Jong Bok Jang | Hydraulic automatic-shock-absorbing hinge device |
| US20010013155A1 (en) * | 2000-02-15 | 2001-08-16 | Oxford Automotive Mecanismes Et Decoupage Fin | Hinge assembly for a swinging door of a motor vehicle |
| CN106285269A (en) * | 2015-05-28 | 2017-01-04 | 长城汽车股份有限公司 | Body hinge and vehicle |
| CN210087086U (en) * | 2018-12-29 | 2020-02-18 | 宁波市五角阻尼股份有限公司 | Novel hydraulic buffering automatic door closing hinge |
| WO2020079496A1 (en) * | 2018-10-15 | 2020-04-23 | Ol.Mi S.R.L. | Hinge for the controlled rotary movement of a door, a door leaf or similar |
| CN217080063U (en) * | 2021-12-06 | 2022-07-29 | 赢技汽车技术(上海)有限公司 | Integrated door hinge of single-spring double-cam structure |
-
2021
- 2021-12-06 CN CN202111478031.4A patent/CN114215438B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8700229D0 (en) * | 1987-01-07 | 1987-02-11 | Proffitt & Co Ltd S F | Vehicle door hinge |
| CA2273680A1 (en) * | 1998-08-01 | 2000-02-01 | Jong Bok Jang | Hydraulic automatic-shock-absorbing hinge device |
| US20010013155A1 (en) * | 2000-02-15 | 2001-08-16 | Oxford Automotive Mecanismes Et Decoupage Fin | Hinge assembly for a swinging door of a motor vehicle |
| CN106285269A (en) * | 2015-05-28 | 2017-01-04 | 长城汽车股份有限公司 | Body hinge and vehicle |
| WO2020079496A1 (en) * | 2018-10-15 | 2020-04-23 | Ol.Mi S.R.L. | Hinge for the controlled rotary movement of a door, a door leaf or similar |
| CN210087086U (en) * | 2018-12-29 | 2020-02-18 | 宁波市五角阻尼股份有限公司 | Novel hydraulic buffering automatic door closing hinge |
| CN217080063U (en) * | 2021-12-06 | 2022-07-29 | 赢技汽车技术(上海)有限公司 | Integrated door hinge of single-spring double-cam structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114215438B (en) | 2024-08-02 |
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