CN115246349A - Two-way release mechanism and car seat - Google Patents
Two-way release mechanism and car seat Download PDFInfo
- Publication number
- CN115246349A CN115246349A CN202210647754.0A CN202210647754A CN115246349A CN 115246349 A CN115246349 A CN 115246349A CN 202210647754 A CN202210647754 A CN 202210647754A CN 115246349 A CN115246349 A CN 115246349A
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- China
- Prior art keywords
- base
- handle base
- handle
- driving
- rotating shaft
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
- B60N2/2245—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable provided with a lock mechanism on the upper part of the back-rest
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/90—Details or parts not otherwise provided for
- B60N2/919—Positioning and locking mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/90—Details or parts not otherwise provided for
- B60N2/919—Positioning and locking mechanisms
- B60N2002/952—Positioning and locking mechanisms characterised by details of the locking system
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The invention provides a bidirectional unlocking mechanism which comprises a handle base, a lock adjusting handle and a rotating shaft base, wherein the lock adjusting handle is used for driving the handle base to rotate, the rotating shaft base is arranged on the inner wall of the handle base, can be meshed with the handle base when the handle base rotates along one direction so as to drive a driving rod arranged in the rotating shaft base to synchronously rotate, and can be separated from the handle base when the handle base rotates reversely so as to realize independent movement of the handle base and the handle base. When the mechanism is applied to an automobile seat, the backrest adjustment and the shoulder adjustment of the automobile seat are respectively realized, so that the operation control of two unlocking structures is completed in a limited space, and the mechanism has the advantages of high integration level and convenience in operation.
Description
Technical Field
The invention relates to the technical field of automobile seats, in particular to a bidirectional unlocking mechanism and an automobile seat.
Background
With the rapid development of the automobile industry, the requirement of passengers on the comfort of the seat is higher and higher, and more new functions are added on the seat, such as backrest adjustment, seat height adjustment, waist adjustment, shoulder adjustment and the like. Increase above-mentioned function on car seat and need provide extra adjustment mechanism, cause more and more functions to be increased to the seat on, because an actuating mechanism on the existing market corresponds an adjustment mechanism, the space of seat is limited, can't arrange too many adjustment mechanism, and because foretell adjustment mechanism is independent setting, the integrated level is low more, can cause the adjustment mechanism integrated level to hang down, is difficult to realize effectual integrated setting.
Disclosure of Invention
In order to solve the technical problems, the invention designs a mechanism for realizing bidirectional unlocking, which can combine two unlocking mechanisms into one to complete the operation control of the two unlocking mechanisms in a limited seat space, and also provides an automobile seat comprising the bidirectional unlocking mechanism, wherein the specific technical scheme is as follows:
the utility model provides a two-way release mechanism, includes handle base and is used for the rotatory accent lock handle of drive handle base, still includes:
the pivot base, the pivot base sets up at handle base inner wall, and this pivot base can mesh with the handle base when handle base rotates along a direction and rotate in order to drive the synchronous rotation of the actuating lever that sets up in its inside to can break away from with the handle base when handle base antiport and in order to realize both independent motion.
Preferably, the locking handle comprises a gripping part, a driving part which is in a concave-convex annular shape and extends outwards from the gripping part, and a tabling groove which is arranged at the outer side of the driving part.
Preferably, the driving part comprises a plurality of first flanges sunken from the peripheral side to the center of the driving part and a plurality of first grooves raised from the center of the driving part to the peripheral side.
Preferably, the first flange and the first groove extend end to form a central symmetrical ring shape.
Preferably, the handle base comprises a base body, a driven part which is in a concave-convex annular shape and extends outwards from the base body and is embedded in the inner wall of the driving part, and an embedding block which is arranged on the outer side of the driven part and can be matched with the embedding groove, the driven part is matched with the driving part in size, the driven part comprises a plurality of second flanges and second grooves which are matched with the first flanges and the first grooves, and the side wall of the base body is further provided with a limiting block.
Preferably, the pivot base includes the base body, by the outside extension of base body and can extend to the fender point with the meshing of recess both sides wall along two inner chamber pivoted central parts of flange and by the central part lateral wall, wherein, the base body lateral wall still be equipped with stopper assorted block piece, and the base body one side far away from the central part is equipped with the meshing piece, works as when the handle base is rotatory along a direction, the handle base keeps off the point through the drive and realizes that the pivot base rotates, works as when the handle base rotates along a direction opposite direction, keep off the point and can slide in order to realize breaking away from of handle base and pivot base along two inner walls of recess.
Preferably, the driving rod is embedded in the inner wall of the rotating shaft base along the axial direction of the rotating shaft base.
Preferably, the handle base comprises a first reset torsion spring and a second reset torsion spring, one end of the first reset torsion spring is fixed on the hook of the handle base, the other end of the first reset torsion spring is fixed on the through hole of the rotating shaft base, one end of the second reset torsion spring is fixed on the through hole of the rotating shaft base, and the other end of the second reset torsion spring is fixed on the through hole of the core.
An automobile seat comprises the bidirectional unlocking mechanism.
Preferably, the driving rod is connected with a core part for driving the backrest of the seat to be adjusted, and the handle base is connected with a zipper mechanism for driving the shoulder of the seat to be adjusted.
According to the technical scheme, the invention has the following beneficial effects: when the mechanism is applied to an automobile seat, when the handle base is driven to rotate along one direction, the limiting effect of a stop point can be utilized to drive the rotating shaft base to rotate, so that the driving rod is driven to synchronously rotate to drive the core part to act, and the core part is used for adjusting the backrest of the seat, so that the backrest of the automobile seat is adjusted; when the handle base rotates and the driving rod does not rotate, the handle base is utilized to drive the zipper mechanism to act so as to adjust the shoulder of the seat through the zipper mechanism, therefore, the automobile seat integrated with the bidirectional unlocking mechanism can realize the integration of backrest adjustment and shoulder adjustment on one adjusting mechanism so as to complete the operation control of two unlocking structures in a limited space, and the automobile seat has the advantages of high integration level and convenience in operation.
Drawings
FIG. 1 is a schematic structural view of the connection between the two-way unlocking structure and the core member of the present invention;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is an exploded view of the connection of the locking handle, handle base, spindle base;
FIG. 4 is a schematic view of the structure of FIG. 3 from another perspective;
FIG. 5 is a schematic view of the connection between the locking handle and the handle base;
FIG. 6 isbase:Sub>A schematic view of section A-A of FIG. 5;
FIG. 7 is a perspective view of the handle base coupled to the spindle base;
FIG. 8 is a side view of the handle base coupled to the spindle base;
FIG. 9 is a schematic view of section B-B of FIG. 8;
FIG. 10 is a side view of FIG. 1;
FIG. 11 is a schematic view of section C-C of FIG. 10;
FIG. 12 is a schematic view of the clockwise rotation of the locking handle of the present invention;
FIG. 13 is a cross-sectional view of the internal connections of the locking handle, handle base, spindle base and drive rod of FIG. 12;
FIG. 14 is a schematic view of the locking handle of the present invention in an unadjusted state;
FIG. 15 is a cross-sectional view of the internal connections of the locking handle, handle base, spindle base and drive rod of FIG. 14;
FIG. 16 is a schematic view of the locking handle of the present invention rotated counterclockwise;
FIG. 17 is a cross-sectional view of the internal connections of the locking handle, handle base, spindle base and drive rod of FIG. 16;
FIG. 18 is a schematic structural view of the first return torsion spring coupled to the handle base;
FIG. 19 is a schematic view of the connection structure of the handle base, the spindle base and the core;
FIG. 20 is a schematic view of section D-D of FIG. 19;
FIG. 21 is a schematic view of the handle base of FIG. 19 with the handle base removed;
FIG. 22 is a schematic view of the structure of the connection of the core, the shaft base and the driving rod;
fig. 23 is a schematic structural view of the H-H section in fig. 22.
In the figure: 10. a handle base; 110. a base body; 111. a limiting block; 120. a driven part; 130. a fitting block; 121. a second flange; 122. a second groove; 20. a lock adjusting handle; 210. a grip portion; 220. a drive section; 230. a fitting groove; 221. a first flange; 222. a first groove; 30. a rotating shaft base; 310. a base body; 311. a clamping block; 312. an engagement block; 320. a central portion; 330. stopping points; 40. a drive rod; 50. a first reset torsion spring; 60. a second reset torsion spring; 70. a core member; 80. a zipper mechanism.
Detailed Description
The present invention will be described in detail with reference to the drawings and specific embodiments, wherein prior to describing embodiments of the present invention in detail, the terms and terminology used herein are used to explain the same or similar structures and components with the same names or same reference numbers for illustrative purposes only.
Example (b):
referring to fig. 2, 7 and 10, a bidirectional unlocking mechanism includes a handle base 10, a locking handle 20 for driving the handle base to rotate, and a rotation shaft base 30, where the rotation shaft base is disposed on an inner wall of the handle base, and the rotation shaft base can be engaged with the handle base when the handle base rotates along one direction to drive a driving rod 40 disposed inside the rotation shaft base to rotate synchronously, and can be disengaged from the handle base when the handle base rotates in the opposite direction to realize independent movement of the handle base and the rotation shaft base, specifically, for convenience of description, the one direction may be defined as clockwise, correspondingly, the opposite direction is counterclockwise, and thus, rotation of the handle base along two different directions is utilized to respectively drive different adjusting mechanisms on a seat to act, for example, the driving rod drives a seat back rest to adjust, and the handle base drives a seat shoulder to adjust, so that back adjustment and shoulder adjustment are integrated on one adjusting mechanism, and operation control of two unlocking structures is completed in a limited space.
Referring to fig. 3, 4 and 5, as a preferred technical solution of this embodiment, the locking handle 20 includes a grip portion 210, a driving portion 220 in a concave-convex annular shape extending outward from the grip portion, and an engaging groove 230 disposed outside the driving portion, the driving portion is fixedly connected to the grip portion, the driving portion and the grip portion may be formed by welding or cast integrally, and the driving portion is in an annular shape with a concave-convex structure.
Referring to fig. 6, 11 and 13, further, the driving portion 220 includes a plurality of first flanges 221 recessed from the peripheral sides to the center and first grooves 222 protruding from the center to the peripheral sides, and the first flanges and the first grooves extend end to form a ring shape with central symmetry.
Referring to fig. 3, 4, 5, 6, and 11, as a preferred technical solution of this embodiment, the handle base 10 includes a base body 110, a driven portion 120 extending outward from the base body in a concave-convex ring shape and embedded in an inner wall of the driving portion 220, and an embedding block 130 disposed outside the driven portion and capable of matching with the embedding groove, wherein when the driven portion of the handle base is inserted into the driving portion, the embedding block is engaged into the embedding groove, so as to achieve the fixed connection between the handle base and the locking handle, further, a limiting block 111 is further disposed on a side wall of the base body 110, the limiting block is used for being engaged with the rotation shaft base 30, and the driven portion and the driving portion have a size matching with each other, so that the driving portion is driven by the holding portion to synchronously drive the handle base to move, specifically, the driven portion includes a plurality of two flanges 121 and two grooves 122 respectively engaged with the first flange and the second groove, and accordingly, the number of the second flange and the second groove of this embodiment is consistent with the number of the first flange and the second groove, that the second flange is symmetric along the center of the driven portion, that the second groove is engaged with the second groove, and the locking handle.
Referring to fig. 3, 4, 8, 9, 14, and 15, as a preferred technical solution of this embodiment, the rotation shaft base 30 includes a base body 310, a central portion 320 extending outward from the base body and capable of rotating along the inner cavities of the two flanges, and a stopping point 330 extending from a side wall of the central portion to engage with two side walls of the groove, wherein the side wall of the base body 310 is further provided with two engaging blocks 311 matching with the limiting block, specifically, when the central portion of the rotation shaft base is inserted into the driven portion of the handle base, the engaging blocks are engaged with the outer wall of the limiting block, and the two engaging blocks can slide relatively, specifically, the stopping point of this embodiment can be two symmetrical along the central portion, and the two stopping points correspond to two positions of the two grooves of one set, so that when the handle base 10 rotates along one direction (i.e. clockwise direction), referring to fig. 12 and 13, the limiting effect of the stopping point is utilized to drive the rotation shaft base to rotate, at this time, the driving rod 311 and the driving rod 111 are relatively static, and further drive the synchronous rotation, and the engagement can realize the adjustment of the backrest; when the handle base rotates along the opposite direction (namely, the anticlockwise direction), referring to fig. 16 and 17, the rotating shaft base does not rotate at the moment, the clamping block 311 and the limiting block 111 can rotate relatively, the blocking point can slide along the two inner walls of the groove, the limiting effect of the blocking point is relieved at the moment, the handle base can be separated from the rotating shaft base, the handle base independently rotates at the moment, the rotating shaft base does not move, and the adjustment of the shoulder of the seat can be realized by the rotation of the handle base.
In addition, an engaging block 312 is disposed on a side of the base body away from the central portion, the engaging block is used for engaging and connecting the base body with the core 70, and the base body can be driven by the handle base to rotate relatively along the core, that is, the engaging block is movably connected with the core, and meanwhile, the spindle base 30 is connected with the core 70 through a driving rod 40, that is, the driving rod passes through the spindle base and the core.
Further, the driving rod 40 is embedded in the inner wall of the rotating shaft base 30 along the axial direction of the rotating shaft base, specifically, the inner wall of the rotating shaft base is provided with an embedded groove matched with the size of the driving rod, so that the driving rod and the rotating shaft base can be effectively assembled and combined together.
Referring to fig. 18, 19, 20, 21, 22 and 23, as a preferred technical solution of this embodiment, the handle base further includes a first restoring torsion spring 50 and a second restoring torsion spring 60, wherein one end of the first restoring torsion spring is fixed on the hook of the handle base 10, and the other end of the first restoring torsion spring is fixed on the through hole of the rotating shaft base 30, which functions to limit the relative position between the handle base and the rotating shaft base, so that the handle base and the rotating shaft base do not get disengaged when they rotate relatively. The second reset torsion spring is arranged between the rotating shaft base 30 and the core part for adjusting the seat back, one end of the second reset torsion spring is fixed on the through hole of the rotating shaft base 30, the other end of the second reset torsion spring is fixed on the through hole of the core part 70 for adjusting the seat back, the function of the second reset torsion spring is to limit the relative position between the core part and the rotating shaft base, and the problem that the core part and the rotating shaft base are separated when the rotating shaft base and the core part rotate relatively is avoided.
Referring to fig. 1 and 2, the present invention further provides an automobile seat, wherein the automobile seat is integrated with the aforementioned two-way unlocking mechanism, and specifically, the automobile seat further includes a core 70 for adjusting a seat back and a zipper mechanism 80 for adjusting a shoulder of the seat, the driving rod 40 is connected to the core 70, and the handle base 10 is connected to the zipper mechanism 80, so that when the driving rod is driven by the handle base to synchronously rotate, the driving rod drives the core to move, so as to adjust the seat back of the automobile seat; when the handle base rotates and the driving rod does not rotate, the shoulder of the seat can be adjusted through the zipper mechanism, so that the backrest adjustment and the shoulder adjustment of the automobile seat integrated with the bidirectional unlocking mechanism can be integrated on one adjusting mechanism, the operation control of the two unlocking mechanisms can be completed in a limited space, and the bidirectional unlocking mechanism has the advantages of high integration level and convenience in operation.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.
Claims (10)
1. A two-way unlocking mechanism comprises a handle base (10) and a locking handle (20) for driving the handle base to rotate, and is characterized by further comprising:
the rotating shaft base (30) is arranged on the inner wall of the handle base, can be meshed with the handle base when the handle base rotates along one direction so as to drive the driving rod (40) arranged in the rotating shaft base to synchronously rotate, and can be separated from the handle base when the handle base reversely rotates so as to realize independent movement of the handle base and the rotating shaft base.
2. The mechanism of claim 1, wherein the locking handle (20) includes a grip portion (210), a driving portion (220) extending outward from the grip portion in a concavo-convex ring shape, and a fitting groove (230) provided outside the driving portion.
3. The mechanism of claim 2, wherein the driving portion (220) includes a plurality of first flanges (221) recessed from a peripheral side thereof toward a center thereof and a plurality of first grooves (222) protruding from a center thereof toward a peripheral side thereof.
4. The bi-directional unlocking mechanism of claim 3, wherein the first flange and the first groove extend end to form a centrally symmetrical ring shape.
5. The two-way unlocking mechanism of claim 4, wherein the handle base (10) comprises a base body (110), a driven part (120) which is in a concave-convex ring shape and extends outwards from the base body and is embedded in the inner wall of the driving part (220), and an embedding block (130) which is arranged outside the driven part and can be matched with the embedding groove, the driven part is matched with the driving part in size, the driven part comprises a plurality of second flanges (121) and second grooves (122) which are matched with the first flanges and the first grooves, and the side wall of the base body (110) is further provided with a limiting block (111).
6. The bidirectional unlocking mechanism of claim 5, wherein the rotation shaft base (30) comprises a base body (310), a central portion (320) extending outwards from the base body and capable of rotating along the two inner cavities of the flange, and a blocking point (330) extending from the side wall of the central portion to be engaged with the two side walls of the groove, wherein the side wall of the base body (310) is further provided with a blocking block (311) matched with the limiting block, and one side of the base body away from the central portion is provided with an engaging block (312), when the handle base (10) rotates along one direction, the handle base realizes the rotation of the rotation shaft base by driving the blocking point, and when the handle base rotates along the opposite direction, the blocking point can slide along the two inner walls of the groove to realize the disengagement of the handle base and the rotation shaft base.
7. The bi-directional unlocking mechanism according to claim 1, wherein the driving lever (40) is embedded in the inner wall of the shaft base (30) along the axial direction of the shaft base.
8. The bidirectional unlocking mechanism according to claim 1, further comprising a first reset torsion spring (50) and a second reset torsion spring (60), wherein one end of the first reset torsion spring (50) is fixed on the hook of the handle base (10), the other end of the first reset torsion spring is fixed on the through hole of the rotating shaft base (30), one end of the second reset torsion spring (60) is fixed on the through hole of the rotating shaft base, and the other end of the second reset torsion spring is fixed on the through hole of the core member (70).
9. A car seat comprising the two-way unlocking mechanism according to any one of claims 1 to 8.
10. The vehicle seat according to claim 9, characterized in that the drive rod (40) is connected with a core (70) for driving the seat back adjustment, and the handle base (10) is connected with a zipper mechanism (80) for driving the seat shoulder adjustment.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210647754.0A CN115246349B (en) | 2022-06-09 | 2022-06-09 | Two-way release mechanism and car seat |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210647754.0A CN115246349B (en) | 2022-06-09 | 2022-06-09 | Two-way release mechanism and car seat |
Publications (2)
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CN115246349A true CN115246349A (en) | 2022-10-28 |
CN115246349B CN115246349B (en) | 2023-06-09 |
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CN202210647754.0A Active CN115246349B (en) | 2022-06-09 | 2022-06-09 | Two-way release mechanism and car seat |
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CN102700440A (en) * | 2011-03-22 | 2012-10-03 | 佛吉亚汽车座椅公司 | Articulation system and vehicle seat comprising such an articulation system |
CN102817988A (en) * | 2012-09-04 | 2012-12-12 | 李信 | Power device used for driving mechanical equipment to rotate and power system with power device |
CN103171463A (en) * | 2013-02-26 | 2013-06-26 | 宁波双林汽车部件股份有限公司 | Unlocking and locking device resistant against inverse motion impact |
CN209505514U (en) * | 2018-12-11 | 2019-10-18 | 威马汽车科技集团有限公司 | Chair angle modulation handle assembly |
CN112550091A (en) * | 2020-12-01 | 2021-03-26 | 一汽奔腾轿车有限公司 | Two-way release mechanism of car seat back |
CN213138552U (en) * | 2020-08-18 | 2021-05-07 | 重庆小康工业集团股份有限公司 | Angle modulation mechanism and seat |
CN213594132U (en) * | 2020-08-18 | 2021-07-02 | 合肥云鹤安道拓汽车座椅有限公司 | Unlocking mechanism capable of realizing double functions |
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2022
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Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2002233426A (en) * | 2001-02-13 | 2002-08-20 | Araco Corp | Reclining device |
CN101542164A (en) * | 2006-11-27 | 2009-09-23 | 布罗泽锁闭***有限两合公司 | Double-acting drive for adjustment devices in motor vehicles |
CN102292238A (en) * | 2009-03-16 | 2011-12-21 | 大圆精密工业株式会社 | Recliner for vehicle seats |
CN102700440A (en) * | 2011-03-22 | 2012-10-03 | 佛吉亚汽车座椅公司 | Articulation system and vehicle seat comprising such an articulation system |
CN102817988A (en) * | 2012-09-04 | 2012-12-12 | 李信 | Power device used for driving mechanical equipment to rotate and power system with power device |
CN103171463A (en) * | 2013-02-26 | 2013-06-26 | 宁波双林汽车部件股份有限公司 | Unlocking and locking device resistant against inverse motion impact |
CN209505514U (en) * | 2018-12-11 | 2019-10-18 | 威马汽车科技集团有限公司 | Chair angle modulation handle assembly |
CN213138552U (en) * | 2020-08-18 | 2021-05-07 | 重庆小康工业集团股份有限公司 | Angle modulation mechanism and seat |
CN213594132U (en) * | 2020-08-18 | 2021-07-02 | 合肥云鹤安道拓汽车座椅有限公司 | Unlocking mechanism capable of realizing double functions |
CN112550091A (en) * | 2020-12-01 | 2021-03-26 | 一汽奔腾轿车有限公司 | Two-way release mechanism of car seat back |
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