CN101487492B - Two-way automatic locking mechanism - Google Patents
Two-way automatic locking mechanism Download PDFInfo
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- CN101487492B CN101487492B CN2008100027352A CN200810002735A CN101487492B CN 101487492 B CN101487492 B CN 101487492B CN 2008100027352 A CN2008100027352 A CN 2008100027352A CN 200810002735 A CN200810002735 A CN 200810002735A CN 101487492 B CN101487492 B CN 101487492B
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Abstract
The invention relates to a bidirectional automatic locking mechanism, which is arranged on a mandrel and at least comprises: locking piece, locking block, mandrel, fixing seat, elastic component and nut; the locking piece is provided with a first groove, a second groove and an auxiliary groove, and the locking block is provided with a first lug and a second lug, so that the locking piece and the locking block can form two locking states; wherein, an included angle of 180 degrees is formed between the two locking states, the first groove, the second groove and the auxiliary groove are provided with slope surfaces, the first lug and the second lug are provided with slope surfaces, so that the two locking states have prepressing effect, and the locking piece and the locking block can be automatically locked.
Description
Technical field
The present invention is a kind of bidirectional automatic locking mechanism, refers to a kind of locking that is applicable to axle especially.
Background technique
Known techniques such as this case claimant have and announce in the TaiWan, China patent M297612 on September 11st, 2006 " effort-saving cam member ", it is to be formed by a fixed block and slider butt joint, and open an axis hole and an embedding hole respectively, peripheral two opposite end of this two assembly form a scroll slope respectively, make two ends have a summit of height fall and an adjacent low spot respectively; Each summit of mat fixed block offsets with each summit of slider respectively and pulls, and when wherein an assembly rotated, its two summit was that the eminence along the corresponding slope that is provided with of adjacent component moves toward the low spot direction and forms.
But, when implementing portable electronic devices, between the pedestal and lid of portable electronic devices,, then still need give again and progressing greatly if will form two blockings with precompressed effect.
Summary of the invention
So main purpose of the present invention, promptly be to provide a kind of bidirectional automatic locking mechanism, be to be provided with first and second groove and auxiliary flute in the locking sheet, and be provided with first and second projection in Breech block, make locking sheet and Breech block can form two blockings, and form the angle of non-180 degree between two blockings; Wherein, first and second groove and auxiliary flute have domatic, and first and second projection has domatic.
The technical solution used in the present invention is:
A kind of bidirectional automatic locking mechanism comprises:
One rotary seat, the bottom has the pin-joint part;
A pair of locking unit, be the two side ends that is arranged at this rotary seat, these locking units have an axle, and the shaft part of this axle wears a fixed base and locking sheet, and this locking sheet build-in is on this fixed base, and the end of this shaft part can a sheathed Breech block and the elastic component and the nut that locks;
One pedestal has a pivoted hole, and this pivoted hole can wear for the pin-joint part of this rotary seat;
One first friction plate is to be arranged between this rotary seat and the pedestal, and is sheathed on the pin-joint part of this rotary seat, and changes together with rotary seat;
One base plate is fixed on the pin-joint part of this rotary seat, and rotary seat and pedestal are combined closely;
One elastomer is to be arranged between this pedestal and the base plate; Wherein, this Breech block has a sheathed hole, can be sheathed on this shaft part, and the both sides in this sheathed hole are respectively equipped with first and second projection, and it is one domatic that these projections have at least; This locking sheet is in having a circular hole, and a side of this circular hole is provided with first and second groove, and is provided with auxiliary flute in the opposite side of circular hole, and it is one domatic that these grooves have at least;
By this, when first groove of locking sheet fastened first projection of Breech block, the auxiliary flute of locking sheet fastened second projection of Breech block, and formed blocking; Rotate when Breech block is relative with the locking sheet, these domatic these projections that make break away from these grooves, and the unlocking state; And when second groove of locking sheet fastened second projection of Breech block, the auxiliary flute of locking sheet fastened first projection of Breech block, and forms another blocking.
A kind of bidirectional automatic locking mechanism comprises:
One rotary seat, the bottom has the pin-joint part;
A pair of locking unit, be the two side ends that is arranged at this rotary seat, these locking units have an axle, and the shaft part of this axle wears a fixed base and locking sheet, and this locking sheet build-in is on this fixed base, and the end of this shaft part can a sheathed Breech block and the elastic component and the nut that locks;
One pedestal has a pivoted hole, and this pivoted hole can wear for the pin-joint part of this rotary seat;
One base plate is fixed on the pin-joint part of this rotary seat, and this rotary seat and pedestal are combined closely; Wherein:
This Breech block has a sheathed hole, can be sheathed on this shaft part, and the both sides in this sheathed hole are respectively equipped with first and second projection, and it is one domatic that these projections have at least, can be provided with a pair of limiting stopper between first projection and second projection;
This locking sheet has a circular hole, one side of this circular hole is provided with first and second groove, and the opposite side in circular hole is provided with auxiliary flute, it is one domatic that these grooves have at least, can be provided with a pair of restraining groove between first and second groove and the auxiliary flute, the length of these restraining grooves and greater than the length of these limiting stoppers;
When first groove of locking sheet fastens first projection of Breech block, the auxiliary flute of locking sheet fastens second projection of Breech block, and the limiting stopper of Breech block is to insert in the restraining groove of locking sheet, and limiting stopper also is resisted against a side wall surface of restraining groove, and forms blocking;
Rotate when Breech block is relative with the locking sheet, these domatic these projections that make break away from these grooves, and make the restraining groove of the limiting stopper disengaging locking sheet of Breech block, and the unlocking state;
And when second groove of locking sheet fastens second projection of Breech block, the auxiliary flute of locking sheet fastens first projection of Breech block, and the limiting stopper of Breech block is to insert once more in the restraining groove of locking sheet, and limiting stopper also is resisted against the opposite side wall of restraining groove, and forms another blocking.
A kind of bidirectional automatic locking mechanism is to be arranged on the axle, comprising:
One fixed base has a circular hole;
One locking sheet, but build-in and has a circular hole in this fixed base, a side of the circular hole of this locking sheet is provided with first and second groove, and the opposite side of the circular hole of this locking sheet also is provided with auxiliary flute, and it is one domatic that these grooves have at least;
One axle has a shaft part and flange, and this shaft part can pass the circular hole of this fixed base and locking sheet, and this shaft part is provided with a plane at least;
One Breech block has a sheathed hole, can be sheathed on this shaft part, and the both sides in this sheathed hole are respectively equipped with first and second projection, and it is one domatic that these projections have at least; Wherein, the end of this shaft part can a sheathed elastic component, and the nut that locks; Can be provided with a pair of limiting stopper between this first projection and second projection, and can be provided with a pair of restraining groove between this first and second groove and the auxiliary flute, the length of these restraining grooves and greater than the length of these limiting stoppers;
When first groove of locking sheet fastens first projection of Breech block, the auxiliary flute of locking sheet fastens second projection of Breech block, and the limiting stopper of Breech block is to insert in the restraining groove of locking sheet, and limiting stopper also is resisted against a side wall surface of restraining groove, and forms blocking;
Rotate when Breech block is relative with the locking sheet, these domatic these projections that make break away from these grooves, and make the restraining groove of the limiting stopper disengaging locking sheet of Breech block, and the unlocking state;
And when second groove of locking sheet fastens second projection of Breech block, the auxiliary flute of locking sheet fastens first projection of Breech block, and the limiting stopper of Breech block is to insert once more in the restraining groove of locking sheet, and limiting stopper also is resisted against the opposite side wall of restraining groove, and forms another blocking.
A kind of bidirectional automatic locking mechanism is to be arranged on the axle, comprising:
One fixed base has a circular hole;
One locking sheet, but build-in and has a circular hole in this fixed base, a side of the circular hole of this locking sheet is provided with first and second groove, and the opposite side of the circular hole of this locking sheet also is provided with auxiliary flute, and it is one domatic that these grooves have at least;
One axle has a shaft part and flange, and this shaft part can pass the circular hole of this fixed base and locking sheet, and this shaft part is provided with a plane at least;
One Breech block has a sheathed hole, can be sheathed on this shaft part, and the both sides in this sheathed hole are respectively equipped with first and second projection, and it is one domatic that these projections have at least; Wherein, the end of this shaft part can a sheathed elastic component, and the nut that locks; By this, when first groove of locking sheet fastened first projection of Breech block, the auxiliary flute of locking sheet fastened second projection of Breech block, and formed blocking; Rotate when Breech block is relative with the locking sheet, these domatic these projections that make break away from these grooves, and the unlocking state; And when second groove of locking sheet fastened second projection of Breech block, the auxiliary flute of locking sheet fastened first projection of Breech block, and forms another blocking.
The beneficial effect that the present invention had is:
Locking sheet of the present invention and Breech block can form two blockings with precompressed effect, and the domatic purpose that makes locking sheet and Breech block reach automatic blocking of locking sheet and Breech block.
Feature of the present invention, technological means, concrete function and specific embodiment, and be described with reference to the accompanying drawings as after.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the preferred embodiment stereogram of locking sheet of the present invention;
Fig. 2 is the preferred embodiment stereogram of Breech block of the present invention;
Fig. 3 is the preferred embodiment stereogram of locking mechanism of the present invention;
Fig. 4 is the preferred embodiment three-dimensional exploded view of locking mechanism of the present invention;
Fig. 5 is the A-A sectional drawing of Fig. 3;
Fig. 6 is the action schematic representation of Fig. 5;
Fig. 7 is the three-dimensional exploded view that preferred embodiment of the present invention is implemented on the central type rotating shaft:
Fig. 8 is the stereogram that preferred embodiment of the present invention is implemented on the central type rotating shaft;
Fig. 9 is the C-C sectional drawing of Fig. 8;
Figure 10 is the B-B sectional drawing of Fig. 8;
Figure 11 is the action schematic representation of Figure 10;
Figure 12 is second embodiment's stereogram of locking sheet of the present invention;
Figure 13 is second embodiment's stereogram of Breech block of the present invention;
Figure 14 is second embodiment's stereogram of locking mechanism of the present invention;
Figure 15 is second embodiment's three-dimensional exploded view of locking mechanism of the present invention;
Figure 16 is the D-D sectional drawing of Figure 14;
Figure 17, the 18th, the action schematic representation of Figure 16;
Figure 19 is the three-dimensional exploded view that second embodiment of the invention is implemented on the central type rotating shaft;
Figure 20 is the stereogram that second embodiment of the invention is implemented on the central type rotating shaft;
Figure 21 is the E-E sectional drawing of Figure 20;
Figure 22 is the action schematic representation of Figure 21.
Embodiment
For the concrete function that can further understand feature of the present invention, technological means and be reached, enumerate than specific embodiment now, and be described with reference to the accompanying drawings as after.
See also Fig. 1 to shown in Figure 6, in preferred embodiment, locking mechanism of the present invention is to be arranged on the axle 30, comprising: locking sheet 10, Breech block 20, axle 30, fixed base 40, elastic component 50 and nut 60 etc.; Fixed base 40 has circular hole 41; But locking sheet 10 build-ins are in fixed base 40, and have circular hole 10a, and the side of circular hole 10a is provided with first and second groove 11,12, and the opposite side of circular hole 10a also is provided with auxiliary flute 13, and first and second groove 11,12 and auxiliary flute 13 have domatic 14,15,16; Axle 30 has shaft part 31 and flange 32, and shaft part 31 can pass the circular hole 41 of fixed base 40 and locking sheet 10,10a, and shaft part 31 is provided with a plane 33 at least; Breech block 20 has sheathed hole 20a, can be sheathed on shaft part 31, and the both sides of sheathed hole 20a are respectively equipped with first and second projection 21,22, and first and second projection 21,22 has domatic 23,24; Wherein, the end of shaft part 31 can sheathed elastic component 50, and locking nut 60; By this, when first groove 11 of locking sheet 10 fastened first projection 21 of Breech block 20, the auxiliary flute 13 of locking sheet 10 fastened second projection 22 of Breech block 20, and formed blocking; When Breech block 20 and the 10 relative rotations of locking sheet, two projections 21,22 break away from two grooves 11,13, and the unlocking state; And when second groove 12 of locking sheet 10 fastened second projection 22 of Breech block 20, the auxiliary flute 13 of locking sheet 10 fastened first projection 21 of Breech block 20, and forms another blocking.
As shown in Figure 3, Figure 4, but locking sheet 10 has the tip hole 43 of dowel 10b build-in in fixed base 40, and fixed base 40 also can be provided with positioning hole 44; Elastic component 50 is several shell fragment 51 or springs, and shell fragment 51 has arc shaped surface, and is sheathed on shaft part 31 in the staggered mode of positive and negative, also can be provided with pad 61 between nut 60 and the elastic component 50.Moreover, friction plate 45 can be provided with between locking sheet 10 and the fixed base 40, and friction plate 46, two friction plates 45,46th can be provided with between the flange 32 of axle 30 and the fixed base 40, cover is fixed in shaft part 31.
As Fig. 5, shown in Figure 6, locking sheet 10 forms two blockings with Breech block 20, and forms the angle of non-180 degree between two blockings; When locking mechanism of the present invention is arranged on portable electronic devices, the front end of axle 30 can be fixed in the pedestal (figure does not show) of portable electronic devices, fixed base 40 can be fixed in the lid (figure does not show) of portable electronic devices, then under two blockings, the position of fixed base 40 has more some angles all downwards, can make lid produce the effect of precompressed; Moreover, when Breech block 20 during with the 10 relative rotations of locking sheet, because first, two grooves 11,12 and auxiliary flute 13 have domatic 14,15,16, and first, two projections 21,22 have domatic 23,24, so when first groove 11 near first projection 21 and auxiliary flute 13 during near second projection 22, first groove 11 can fasten first projection 21 automatically, auxiliary flute 13 can fasten second projection 22 automatically, in addition when second groove 12 near second projection 22 and auxiliary flute 13 during near first projection 21, second groove 12 can fasten second projection 22 automatically, and auxiliary flute 13 can fasten first projection 21 of Breech block 20 automatically, to reach the purpose of automatic blocking.
See also Fig. 7 to shown in Figure 11, the present invention is if be implemented on central type rotating shaft (central hinge), and this locking mechanism can comprise: rotary seat 70, a pair of locking unit 1, friction plate 74, pedestal 80, elastomer 85 and base plate 90 etc.; The bottom of rotary seat 70 has pin-joint part 71; Two locking units 1 are the two side ends 72 that is arranged at rotary seat 70,73, locking unit 1 has an axle 30, and the shaft part 31 of axle 30 wears fixed base 40 and locking sheet 10, and locking sheet 10 build-ins are on fixed base 40, and the end of shaft part 31 can sheathed Breech block 20 and elastic component 50 and locking nut 60; Pedestal 80 has pivoted hole 81, and pivoted hole 81 can wear for pin-joint part 71; Friction plate 74 is arranged between rotary seat 70 and the pedestal 80, and be sheathed on the pin-joint part 71 and with rotary seat 70 with changeing (for example: protuberance 741 cooperates with recess 711); Base plate 90 is fixed on the pin-joint part 71, and rotary seat 70 and pedestal 80 are combined closely; Elastomer 85 (for example: the wave-like type shell fragment) be arranged between pedestal 80 and the base plate 90; Wherein:
When first groove 11 of locking sheet 10 fastens first projection 21 of Breech block 20, and the auxiliary flute 13 of locking sheet 10 fastens second projection 22 of Breech block 20, and forms blocking;
When Breech block 20 and the 10 relative rotations of locking sheet, domatic 14,15,16 and domatic 23,24 can make two projections 21,22 break away from two grooves 11,13, and the unlocking state;
And when rotary seat 70 Rotate 180s were spent, second groove 12 of locking sheet 10 fastened second projection 22 of Breech block 20, and the auxiliary flute 13 of locking sheet 10 fastens first projection 21 of Breech block 20, and formed another blocking.
As Figure 10, shown in Figure 11, locking sheet 10 forms two blockings with Breech block 20, and forms the angle of non-180 degree between two blockings; When locking mechanism of the present invention is arranged on portable electronic devices, pedestal 80 can be fixed in the pedestal (figure does not show) of portable electronic devices, fixed base 40 can be fixed in the lid (figure does not show) of portable electronic devices, then under two blockings, the position of fixed base 40 has more some angles all downwards, can make lid produce the effect of precompressed; Moreover, when Breech block 20 during with the 10 relative rotations of locking sheet, because first, two grooves 11,12 and auxiliary flute 13 have domatic 14,15,16, and first, two projections 21,22 have domatic 23,24, so when first groove 11 near first projection 21 and auxiliary flute 13 during near second projection 22, first groove 11 can fasten first projection 21 automatically, auxiliary flute 13 can fasten second projection 22 automatically, in addition when second groove 12 near second projection 22 and auxiliary flute 13 during near first projection 21, second groove 12 can fasten second projection 22 automatically, and auxiliary flute 13 can fasten first projection 21 of Breech block 20 automatically, to reach the purpose of automatic blocking.
See also Figure 12 to shown in Figure 180, in a second embodiment, locking mechanism of the present invention is to be arranged at axle 30, comprising: locking sheet 10, Breech block 20, axle 30, fixed base 40, elastic component 50 and nut 60 etc.; Fixed base 40 has circular hole 41; But locking sheet 10 build-ins are in fixed base 40, and have circular hole 10a, and the side of circular hole 10a is provided with first and second groove 11,12, and the opposite side of circular hole 10a also is provided with auxiliary flute 13, and first and second groove 11,12 and auxiliary flute 13 have one domatic 14,15,16 at least; Axle 30 has shaft part 31 and flange 32, and shaft part 31 can pass the circular hole 41 of fixed base 40 and locking sheet 10,10a, and shaft part 31 is provided with a plane 33 at least; Breech block 20 has sheathed hole 20a, can be sheathed on shaft part 31, and the both sides of sheathed hole 20a are respectively equipped with first and second projection 21,22, and first and second projection 21,22 has one domatic 23,24 at least; Wherein, the end of shaft part 31 can sheathed elastic component 50, and locking nut 60; Can be provided with a pair of limiting stopper 27,28 between first projection 21 and second projection 22, and can not have the length of a pair of restraining groove 17,18, two restraining grooves 17,18 between first and second groove 11,12 and the auxiliary flute 13 and greater than the length of two limiting stoppers 27,28;
When first groove 11 of locking sheet 10 fastens first projection 21 of Breech block 20, the auxiliary flute 13 of locking sheet 10 fastens second projection 22 of Breech block 20, and limiting stopper 27 is to insert in the restraining groove 17, limiting stopper 27 also is resisted against a side wall surface 171 of restraining groove 17, and limiting stopper 28 is to insert in the restraining groove 18, limiting stopper 28 also is resisted against a side wall surface 181 of restraining groove 18, and forms blocking;
When Breech block 20 and the 10 relative rotations of locking sheet, domatic 14,15,16 and domatic 23,24 can make two projections 21,22 break away from two grooves 11,13, and make two limiting stoppers 27,28 break away from two restraining grooves 17,18, and the unlocking state;
And when second groove 12 of locking sheet 10 fastens second projection 22 of Breech block 20, the auxiliary flute 13 of locking sheet 10 fastens first projection 21 of Breech block 20, and limiting stopper 27 is to insert in the restraining groove 18, limiting stopper 27 also is resisted against the opposite side wall 182 of restraining groove 18, and limiting stopper 28 is to insert in the restraining groove 17, limiting stopper 28 also is resisted against the opposite side wall 172 of restraining groove 17, and forms another blocking.
As Figure 14, shown in Figure 15, but locking sheet 10 has the tip hole 43 of dowel 10b build-in in fixed base 40, and fixed base 40 also can be provided with positioning hole 44; Elastic component 50 is several shell fragment 51 or springs, and shell fragment 51 has arc shaped surface, and is sheathed on shaft part 31 in the staggered mode of positive and negative, also can be provided with pad 61 between nut 60 and the elastic component 50.Moreover, friction plate 45 can be provided with between locking sheet 10 and the fixed base 40, and friction plate 46, two friction plates 45,46th can be provided with between the flange 32 of axle 30 and the fixed base 40, cover is fixed in shaft part 31.
To shown in Figure 180, locking sheet 10 forms two blockings with Breech block 20, and forms the angle of non-180 degree between two blockings as Figure 16; When locking mechanism of the present invention is arranged on portable electronic devices, the front end of axle 30 can be fixed in the pedestal (figure does not show) of portable electronic devices, fixed base 40 can be fixed in the lid (figure does not show) of portable electronic devices, then under two blockings, the position of fixed base 40 has more some angles all downwards, can make lid produce the effect of precompressed; Moreover, when Breech block 20 during with the 10 relative rotations of locking sheet, because first, two grooves 11,12 and auxiliary flute 13 have domatic 14,15,16, and first, two projections 21,22 have domatic 23,24, so when first groove 11 near first projection 21 and auxiliary flute 13 during near second projection 22, first groove 11 can fasten first projection 21 automatically, auxiliary flute 13 can fasten second projection 22 automatically, in addition when second groove 12 near second projection 22 and auxiliary flute 13 during near first projection 21, second groove 12 can fasten second projection 22 automatically, and auxiliary flute 13 can fasten first projection 21 of Breech block 20 automatically, to reach the purpose of automatic blocking.
See also Figure 19 to shown in Figure 22, the present invention is if be implemented on the central type rotating shaft, and this locking mechanism also can comprise: rotary seat 70, a pair of locking unit 1, pedestal 80 and base plate 90 etc.; The bottom of rotary seat 70 has pin-joint part 71; Two locking units 1 are the two side ends 72 that is arranged at rotary seat 70,73, locking unit 1 has an axle 30, and the shaft part 31 of axle 30 wears fixed base 40 and locking sheet 10, and locking sheet 10 build-ins are on fixed base 40, and the end of shaft part 31 can sheathed Breech block 20 and elastic component 50 and locking nut 60; Pedestal 80 has pivoted hole 81, and pivoted hole 81 can wear for pin-joint part 71; Base plate 90 is fixed on the pin-joint part 71, and rotary seat 70 and pedestal 80 are combined closely; Wherein:
Locking sheet 10 is provided with first and second groove 11,12 in the side of circular hole 10a, and the opposite side of circular hole 10a also is provided with auxiliary flute 13, first and second groove 11,12 and auxiliary flute 13 have one domatic 14,15,16 at least, and first and second groove 11,12 and auxiliary flute 13 between can be provided with a pair of restraining groove 17,18, two restraining grooves 17,18 length and greater than the length of two limiting stoppers 27,28;
When first groove 11 of locking sheet 10 fastens first projection 21 of Breech block 20, the auxiliary flute 13 of locking sheet 10 fastens second projection 22 of Breech block 20, and limiting stopper 27 is to insert in the restraining groove 17, limiting stopper 27 also is resisted against a side wall surface 171 of restraining groove 17, and limiting stopper 28 is to insert in the restraining groove 18, limiting stopper 28 also is resisted against a side wall surface 181 of restraining groove 18, and forms blocking;
When Breech block 20 and the 10 relative rotations of locking sheet, domatic 14,15,16 and domatic 23,24 can make two projections 21,22 break away from two grooves 11,13, and make two limiting stoppers 27,28 break away from two restraining grooves 17,18, and the unlocking state;
And when second groove 12 of locking sheet 10 fastens second projection 22 of Breech block 20, the auxiliary flute 13 of locking sheet 10 fastens first projection 21 of Breech block 20, and limiting stopper 27 is to insert in the restraining groove 18, limiting stopper 27 also is resisted against the opposite side wall 182 of restraining groove 18, and limiting stopper 28 is to insert in the restraining groove 17, limiting stopper 28 also is resisted against the opposite side wall 172 of restraining groove 17, and forms another blocking.
In addition, as Fig. 7 and shown in Figure 19, pedestal 80 can have blocked part 82, and friction plate 74 can have blocked part 742, and when rotation rotary seat 70, the blocked part 82 that terminates in pedestal 80 can be supported and the angle of swing of restriction rotary seat 70 in the blocked part 742 of friction plate 74; Pedestal 80 also can be provided with positioning hole 84; Between pedestal 80 and the elastomer 85 another friction plate 75 can be set, and friction plate 75 is sheathed on the pin-joint part 71 and with rotary seat 70 with changeing (for example: protuberance 751 cooperates with recess 711).
Claims (16)
1. a bidirectional automatic locking mechanism is characterized in that, comprising:
One rotary seat, the bottom has the pin-joint part;
A pair of locking unit, be the two side ends that is arranged at this rotary seat, these locking units have an axle, and the shaft part of this axle wears a fixed base and locking sheet, and this locking sheet build-in is on this fixed base, and the end of this shaft part can a sheathed Breech block and the elastic component and the nut that locks;
One pedestal has a pivoted hole, and this pivoted hole can wear for the pin-joint part of this rotary seat;
One first friction plate is to be arranged between this rotary seat and the pedestal, and is sheathed on the pin-joint part of this rotary seat, and changes together with rotary seat;
One base plate is fixed on the pin-joint part of this rotary seat, and rotary seat and pedestal are combined closely;
One elastomer is to be arranged between this pedestal and the base plate; Wherein, this Breech block has a sheathed hole, can be sheathed on this shaft part, and the both sides in this sheathed hole are respectively equipped with first and second projection, and it is one domatic that these projections have at least; This locking sheet has a circular hole, and a side of this circular hole is provided with first and second groove, and is provided with auxiliary flute in the opposite side of circular hole, and it is one domatic that these grooves have at least;
By this, when first groove of locking sheet fastened first projection of Breech block, the auxiliary flute of locking sheet fastened second projection of Breech block, and formed blocking; Rotate when Breech block is relative with the locking sheet, these domatic these projections that make break away from these grooves, and the unlocking state; And when second groove of locking sheet fastened second projection of Breech block, the auxiliary flute of locking sheet fastened first projection of Breech block, and forms another blocking.
2. bidirectional automatic locking mechanism according to claim 1, it is characterized in that this elastic component is several shell fragments or spring, and these shell fragments have arc shaped surface, and be sheathed on this shaft part in the staggered mode of positive and negative, between this nut and the elastic component and be provided with a pad.
3. bidirectional automatic locking mechanism according to claim 1, it is characterized in that, be provided with one second friction plate between this locking sheet and the fixed base, and be provided with one the 3rd friction plate between the flange of this axle and the fixed base, second, third friction plate is that cover is fixed in this shaft part; But this locking sheet has the tip hole of dowel build-in in this fixed base, and this fixed base is provided with positioning hole.
4. bidirectional automatic locking mechanism according to claim 1, it is characterized in that this pedestal has a blocked part, and this friction plate also has a blocked part, when this rotary seat of rotation, the angle of swing that terminates in the blocked part of this pedestal and limit this rotary seat can be supported in the blocked part of this friction plate.
5. bidirectional automatic locking mechanism according to claim 1 is characterized in that, between this pedestal and the elastomer the 4th friction plate can be set, and the 4th friction plate is sheathed on the pin-joint part of this rotary seat, and with this rotary seat with changeing.
6. a bidirectional automatic locking mechanism is characterized in that, comprising:
One rotary seat, the bottom has the pin-joint part;
A pair of locking unit, be the two side ends that is arranged at this rotary seat, these locking units have an axle, and the shaft part of this axle wears a fixed base and locking sheet, and this locking sheet build-in is on this fixed base, and the end of this shaft part can a sheathed Breech block and the elastic component and the nut that locks;
One pedestal has a pivoted hole, and this pivoted hole can wear for the pin-joint part of this rotary seat;
One base plate is fixed on the pin-joint part of this rotary seat, and this rotary seat and pedestal are combined closely; Wherein:
This Breech block has a sheathed hole, can be sheathed on this shaft part, and the both sides in this sheathed hole are respectively equipped with first and second projection, and it is one domatic that these projections have at least, can be provided with a pair of limiting stopper between first projection and second projection;
This locking sheet has a circular hole, one side of this circular hole is provided with first and second groove, and the opposite side in circular hole is provided with auxiliary flute, it is one domatic that these grooves have at least, can be provided with a pair of restraining groove between first and second groove and the auxiliary flute, the length of these restraining grooves and greater than the length of these limiting stoppers;
When first groove of locking sheet fastens first projection of Breech block, the auxiliary flute of locking sheet fastens second projection of Breech block, and the limiting stopper of Breech block is to insert in the restraining groove of locking sheet, and limiting stopper also is resisted against a side wall surface of restraining groove, and forms blocking;
Rotate when Breech block is relative with the locking sheet, these domatic these projections that make break away from these grooves, and make the restraining groove of the limiting stopper disengaging locking sheet of Breech block, and the unlocking state;
And when second groove of locking sheet fastens second projection of Breech block, the auxiliary flute of locking sheet fastens first projection of Breech block, and the limiting stopper of Breech block is to insert once more in the restraining groove of locking sheet, and limiting stopper also is resisted against the opposite side wall of restraining groove, and forms another blocking.
7. bidirectional automatic locking mechanism according to claim 6, it is characterized in that this elastic component is several shell fragments or spring, and these shell fragments have arc shaped surface, and be sheathed on this shaft part in the staggered mode of positive and negative, between this nut and the elastic component and be provided with a pad.
8. bidirectional automatic locking mechanism according to claim 6 is characterized in that, is provided with a friction plate between this locking sheet and the fixed base, and is provided with a friction plate between the flange of this axle and the fixed base, and these friction plates are that cover is fixed in this shaft part; But this locking sheet has the tip hole of dowel build-in in this fixed base, and this fixed base is provided with positioning hole.
9. bidirectional automatic locking mechanism according to claim 6 is characterized in that, between this pedestal and the base plate elastomer can be set; One first friction plate can be set between this rotary seat and the pedestal, and between this pedestal and the elastomer second friction plate can be set, these friction plates are to be sheathed on the pin-joint part of this rotary seat, and change together with rotary seat.
10. bidirectional automatic locking mechanism according to claim 9, it is characterized in that, this pedestal has a blocked part, and first friction plate also has a blocked part, when this rotary seat of rotation, the angle of swing that terminates in the blocked part of this pedestal and limit this rotary seat can be supported in the blocked part of first friction plate.
11. a bidirectional automatic locking mechanism is to be arranged on the axle, it is characterized in that, comprising:
One fixed base has a circular hole;
One locking sheet, but build-in and has a circular hole in this fixed base, a side of the circular hole of this locking sheet is provided with first and second groove, and the opposite side of the circular hole of this locking sheet also is provided with auxiliary flute, and it is one domatic that these grooves have at least;
One axle has a shaft part and flange, and this shaft part can pass the circular hole of this fixed base and locking sheet, and this shaft part is provided with a plane at least;
One Breech block has a sheathed hole, can be sheathed on this shaft part, and the both sides in this sheathed hole are respectively equipped with first and second projection, and it is one domatic that these projections have at least; Wherein, the end of this shaft part can a sheathed elastic component, and the nut that locks; Can be provided with a pair of limiting stopper between this first projection and second projection, and can be provided with a pair of restraining groove between this first and second groove and the auxiliary flute, the length of these restraining grooves and greater than the length of these limiting stoppers;
When first groove of locking sheet fastens first projection of Breech block, the auxiliary flute of locking sheet fastens second projection of Breech block, and the limiting stopper of Breech block is to insert in the restraining groove of locking sheet, and limiting stopper also is resisted against a side wall surface of restraining groove, and forms blocking;
Rotate when Breech block is relative with the locking sheet, these domatic these projections that make break away from these grooves, and make the restraining groove of the limiting stopper disengaging locking sheet of Breech block, and the unlocking state;
And when second groove of locking sheet fastens second projection of Breech block, the auxiliary flute of locking sheet fastens first projection of Breech block, and the limiting stopper of Breech block is to insert once more in the restraining groove of locking sheet, and limiting stopper also is resisted against the opposite side wall of restraining groove, and forms another blocking.
12. bidirectional automatic locking mechanism according to claim 11, it is characterized in that this elastic component is several shell fragments or spring, and these shell fragments have arc shaped surface, and be sheathed on this shaft part in the staggered mode of positive and negative, between this nut and the elastic component and be provided with a pad.
13. bidirectional automatic locking mechanism according to claim 11 is characterized in that, is provided with a friction plate between this locking sheet and the fixed base, and is provided with a friction plate between the flange of this axle and the fixed base, these friction plates are that cover is fixed in this shaft part; But this locking sheet has the tip hole of dowel build-in in this fixed base, and this fixed base is provided with positioning hole.
14. a bidirectional automatic locking mechanism is to be arranged on the axle, it is characterized in that, comprising:
One fixed base has a circular hole;
One locking sheet, but build-in and has a circular hole in this fixed base, a side of the circular hole of this locking sheet is provided with first and second groove, and the opposite side of the circular hole of this locking sheet also is provided with auxiliary flute, and it is one domatic that these grooves have at least;
One axle has a shaft part and flange, and this shaft part can pass the circular hole of this fixed base and locking sheet, and this shaft part is provided with a plane at least;
One Breech block has a sheathed hole, can be sheathed on this shaft part, and the both sides in this sheathed hole are respectively equipped with first and second projection, and it is one domatic that these projections have at least; Wherein, the end of this shaft part can a sheathed elastic component, and the nut that locks; By this, when first groove of locking sheet fastened first projection of Breech block, the auxiliary flute of locking sheet fastened second projection of Breech block, and formed blocking; Rotate when Breech block is relative with the locking sheet, these domatic these projections that make break away from these grooves, and the unlocking state; And when second groove of locking sheet fastened second projection of Breech block, the auxiliary flute of locking sheet fastened first projection of Breech block, and forms another blocking.
15. bidirectional automatic locking mechanism according to claim 14, it is characterized in that this elastic component is several shell fragments or spring, and these shell fragments have arc shaped surface, and be sheathed on this shaft part in the staggered mode of positive and negative, between this nut and the elastic component and be provided with a pad.
16. bidirectional automatic locking mechanism according to claim 14 is characterized in that, is provided with a friction plate between this locking sheet and the fixed base, and is provided with a friction plate between the flange of this axle and the fixed base, these friction plates are that cover is fixed in this shaft part; But this locking sheet has the tip hole of dowel build-in in this fixed base, and this fixed base is provided with positioning hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100027352A CN101487492B (en) | 2008-01-16 | 2008-01-16 | Two-way automatic locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100027352A CN101487492B (en) | 2008-01-16 | 2008-01-16 | Two-way automatic locking mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101487492A CN101487492A (en) | 2009-07-22 |
| CN101487492B true CN101487492B (en) | 2011-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100027352A Active CN101487492B (en) | 2008-01-16 | 2008-01-16 | Two-way automatic locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101487492B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9200433B2 (en) * | 2013-10-03 | 2015-12-01 | Caterpillar Inc. | Tool retention system |
| JP7133701B1 (en) * | 2021-12-15 | 2022-09-08 | 三菱製鋼株式会社 | Opening and closing mechanism |
| CN115107609B (en) * | 2022-08-08 | 2023-12-19 | 明阳科技（苏州）股份有限公司 | Central armrest hinge mechanism of rear seat |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5109571A (en) * | 1989-10-11 | 1992-05-05 | Sugatsune Industrial Co., Ltd. | Door hinge with movable and fixed cams |
| CN2714880Y (en) * | 2004-05-18 | 2005-08-03 | 兆利科技工业股份有限公司 | Rotating shaft structure |
| CN2806862Y (en) * | 2005-04-04 | 2006-08-16 | 兆利科技工业股份有限公司 | Interference assembly |
| CN2864207Y (en) * | 2006-01-27 | 2007-01-31 | 兆利科技工业股份有限公司 | Shaft structure with automatic locking |
| CN2898416Y (en) * | 2006-05-18 | 2007-05-09 | 兆利科技工业股份有限公司 | Cam member with cushioning function |
-
2008
- 2008-01-16 CN CN2008100027352A patent/CN101487492B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5109571A (en) * | 1989-10-11 | 1992-05-05 | Sugatsune Industrial Co., Ltd. | Door hinge with movable and fixed cams |
| CN2714880Y (en) * | 2004-05-18 | 2005-08-03 | 兆利科技工业股份有限公司 | Rotating shaft structure |
| CN2806862Y (en) * | 2005-04-04 | 2006-08-16 | 兆利科技工业股份有限公司 | Interference assembly |
| CN2864207Y (en) * | 2006-01-27 | 2007-01-31 | 兆利科技工业股份有限公司 | Shaft structure with automatic locking |
| CN2898416Y (en) * | 2006-05-18 | 2007-05-09 | 兆利科技工业股份有限公司 | Cam member with cushioning function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101487492A (en) | 2009-07-22 |
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