CN111703349B - Leg rest extension manual and electric integrated mechanism - Google Patents
Leg rest extension manual and electric integrated mechanism Download PDFInfo
- Publication number
- CN111703349B CN111703349B CN202010531465.5A CN202010531465A CN111703349B CN 111703349 B CN111703349 B CN 111703349B CN 202010531465 A CN202010531465 A CN 202010531465A CN 111703349 B CN111703349 B CN 111703349B
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- Prior art keywords
- locking claw
- locking
- manual
- electric
- seat basin
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- 230000007246 mechanism Effects 0.000 title claims abstract description 32
- 210000000078 claw Anatomy 0.000 claims description 74
- 238000009434 installation Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000006260 foam Substances 0.000 description 5
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000004069 differentiation Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Classifications
-
- 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
- B60N2/995—Lower-leg-rests, e.g. calf-rests
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
本发明公开了一种腿托延伸手动、电动一体机构，包括座椅骨架和安装在座椅骨架上的前座盆，在所述前座盆上设置有能前后滑动的延伸座盆，在所述前座盆和延伸座盆之间设置有手动锁止组件或电动锁止组件，所述手动锁止组件和电动锁止组件能够换装。本发明的腿托延伸机构既可以采用手动控制，也可以采用电动控制，且分别采用两种控制方式时，只需要换装锁止组件，无需改变座椅骨架、前座盆和延伸座盆的结构，实现了电动和手动延伸腿托的共用性及互换性，在满足了市场功能配置差异化需求的同时，极大地节约了设计开发及生产成本。
The present invention discloses a manual and electric integrated mechanism for extending a leg rest, comprising a seat frame and a front seat pot installed on the seat frame, an extended seat pot that can slide forward and backward is arranged on the front seat pot, a manual locking assembly or an electric locking assembly is arranged between the front seat pot and the extended seat pot, and the manual locking assembly and the electric locking assembly can be replaced. The leg rest extension mechanism of the present invention can be controlled manually or electrically, and when the two control modes are respectively adopted, only the locking assembly needs to be replaced, and there is no need to change the structure of the seat frame, the front seat pot and the extended seat pot, thereby realizing the commonality and interchangeability of the electric and manual extended leg rests, and greatly saving the design development and production costs while meeting the market demand for differentiated functional configurations.
Description
Technical Field
The invention belongs to the field of seat leg support extending mechanisms, and particularly relates to a manual and electric integrated leg support extending mechanism.
Background
The automobile seat leg support extending mechanism can improve riding comfort of passengers, the existing leg support extending mechanisms are single manual or electric mechanisms and cannot be interchanged, the high-power-distribution plate of the same automobile type is usually provided with the electric leg support extending mechanism, and the low-power-distribution plate is usually provided with the manual leg support extending mechanism, so that two different front seat basins, extension seat basins and sliding ways are required to be designed aiming at the same automobile type, two leg support extending mechanisms are adapted, and design and production cost is greatly increased.
Disclosure of Invention
The invention aims to provide a manual and electric integrated mechanism for extending a leg rest which can be shared by manual and electric.
The leg support extending manual and electric integrated mechanism comprises a seat framework and a front seat basin arranged on the seat framework, wherein an extending seat basin capable of sliding forwards and backwards is arranged on the front seat basin, a manual locking assembly or an electric locking assembly is arranged between the front seat basin and the extending seat basin, and the manual locking assembly and the electric locking assembly can be replaced.
Preferably, the left side and the right side of the front seat basin are high, the middle part is low, and mounting flanges are formed on the left side and the right side and are used for being fixed on a seat framework;
The extension seat basin is installed at the middle part of the front seat basin through the slideway sliding block component, the middle part of the extension seat basin protrudes upwards, a locking component installation space is formed between the front seat basin and the extension seat basin, and the extension seat basin is applied to replacement of the manual locking component and the electric locking component. By adopting the structure, the middle part of the front seat basin is low, the installation of the extension seat basin is convenient, the too high front end of the seat is avoided, the middle part of the extension seat basin protrudes, the installation of the locking component is convenient, and the foam is supported.
Preferably, the front side and the left side and the right side of the extension seat basin are respectively provided with an upward protruding support flanging, and the support flanging is flush with the upper end surface of the middle part of the extension seat basin. By adopting the structure, the supporting flanging is not only used for supporting foam, but also can improve the strength of the extension seat basin and effectively avoid the extension seat basin from deforming.
Preferably, the manual locking assembly comprises an unlocking handle and a locking claw, wherein the middle part of the unlocking handle is rotatably arranged on a handle support, the front end of the unlocking handle extends out of the extension seat basin, the middle part of the locking claw is rotatably arranged on a locking claw support, the front end of the locking claw is positioned below the rear end of the unlocking handle, the handle support and the locking claw support are both fixed on the extension seat basin, locking holes which are uniformly distributed in the front and back are formed in the front seat basin, the rear end of the locking claw is matched with the locking holes, when the unlocking handle is lifted to rotate, the rear end of the unlocking handle is rotated downwards, the front end of the locking claw is driven to rotate downwards, the rear end of the locking claw is withdrawn from the locking holes, unlocking is realized, and the locking claw and the unlocking handle can return under the driving of respective return springs. By adopting the structure, the manual locking assembly is ingenious in design, the locking claw is driven through the unlocking handle, the locking claw is prevented from rotating too little in space, the unlocking is realized by utilizing the linkage of the unlocking handle and the locking claw in a limited space, and meanwhile, the unlocking can be realized only by lifting the unlocking handle upwards, so that unlocking caused by downward leg pressing by passengers can be effectively avoided, and misunlocking is prevented from being caused.
Preferably, the handle bracket is of an n-shaped structure, a horizontal section of the handle bracket is fixed on the extension seat basin, the unlocking handle is arranged between two vertical sections of the handle bracket through a pin shaft, a notch extending from the middle part to the rear end is arranged on the unlocking handle, the rear end of the unlocking handle is bent upwards, and a compression bar for driving the locking claw is arranged between two side groove walls of the notch;
The front end of the locking claw support extends into the notch, the rear end of the locking claw support bends upwards and then bends forwards to form an installation part for fixing on the extending seat basin, a locking claw installation support lug and a locking claw hole are arranged in the middle of the locking claw support, the locking claw hole is located behind the locking claw installation support lug, the locking claw is installed on the locking claw installation support lug through a pin shaft, the front end of the locking claw is located below the pressing rod, and the rear end claw downwards penetrates through the locking claw hole. By adopting the structure, the manual locking assembly has compact structure, small occupied space and convenient installation.
Preferably, the electric locking assembly is an electric screw-nut mechanism, the electric screw-nut mechanism is fixedly arranged on the front seat basin, and the extension seat basin is fixedly connected with a driving nut of the electric screw-nut mechanism, so that the extension seat basin can slide back and forth under the driving of the transmission motor. By adopting the structure, the electric locking assembly is simple and reliable in structure and easy to realize.
Preferably, the front end of the extension seat basin is provided with a baffle plate extending downwards, the baffle plate is positioned in front of the front seat basin, and the middle part of the baffle plate is provided with a notch for the unlocking handle to pass through. By adopting the structure, the baffle is used for supporting the fixed surface sleeve and plays a limiting role on the extension seat basin.
Preferably, the manual locking assembly and the electric locking assembly are both detachably mounted by bolts. By adopting the structure, the installation is convenient, and the installation structure is stable and reliable.
The leg support extension mechanism has the beneficial effects that the leg support extension mechanism can be controlled manually or electrically, and when the leg support extension mechanism adopts two control modes respectively, only the locking component is required to be replaced, the structures of the seat framework, the front seat basin and the extension seat basin are not required to be changed, the commonality and interchangeability of the electric and manual leg support extension mechanism are realized, and the design development and production cost is greatly saved while the market function configuration differentiation requirement is met.
Drawings
FIG. 1 is a schematic structural view of a manual leg rest extension mechanism;
FIG. 2 is a schematic structural view of an electric leg rest extension mechanism;
FIG. 3 is an exploded view of FIG. 2;
FIG. 4 is a schematic structural view of a manual locking assembly;
FIG. 5 is an exploded view of FIG. 4;
fig. 6 is a schematic structural view of the electric locking assembly.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
As shown in fig. 1 to 6, a leg support extending manual and electric integrated mechanism mainly comprises a seat framework 1, a front seat basin 2, an extending seat basin 3, a slideway sliding block assembly 11, a manual locking assembly and an electric locking assembly, wherein the manual locking assembly comprises an unlocking handle 4, a locking claw 5, a handle support 6, a locking claw support 7 and a return spring 8, and the electric locking assembly is an electric screw nut mechanism 10.
As shown in fig. 1 to 3, the front seat pan 2 is fixedly mounted on the seat frame 1, the front seat pan 2 adopts a structure with high left and right sides and low middle part, so that the seat pan 3 is convenient to mount and extend, the influence on riding comfort caused by overhigh front part of a seat is avoided, two rows of locking holes 201 which are uniformly arranged at intervals in front and back are arranged in the middle part of the front seat pan 2, the left and right sides of the front seat pan 2 are upwardly and outwardly bent downwards again to form an n-shaped mounting flange 202, sheet metal parts on the left and right sides of the seat frame 1 are respectively embedded into the corresponding mounting flanges 202, and the seat frame 1 and the front seat pan 2 are convenient to be fixedly connected through welding and bolts. The extension seat basin 3 can be installed on the front seat basin 2 in a fore-and-aft sliding manner, in this embodiment, the extension seat basin 3 is installed in the middle part of the front seat basin 2 through the slide block assembly 11, the slide of the slide block assembly 11 is fixed on the front seat basin 2, the slide block of the slide block assembly 11 is fixed on the extension seat basin 3, the slide block assembly 11 adopts a thin structure, occupation space is reduced, the middle part of the extension seat basin 3 protrudes upwards, a locking assembly installation space is formed between the front seat basin 2 and the extension seat basin 3, the replacement of a manual locking assembly and an electric locking assembly is facilitated, the function of supporting foam is also played, the protruding part of the extension seat basin 3 is of an n-shaped structure with a frontward opening, the n-shaped structure can be matched with the manual locking assembly, and the arrangement and the installation of the manual locking assembly are facilitated. The support flanges 302 which are bent upwards, outwards and downwards are arranged on the front side, the left side and the right side of the extension seat basin 3, the support flanges 302 on the three sides are continuous, the support flanges 302 are flush with the upper end face of the middle part of the extension seat basin 3, the support flanges 302 play a role in supporting foam, foam collapse is avoided, riding comfort is influenced, meanwhile, the strength of the extension seat basin 3 is improved, a baffle 301 which extends downwards is arranged on the support flanges 302 on the front side, the baffle 301 is positioned in front of the front seat basin 2, and a notch is formed in the middle of the baffle 301.
As shown in fig. 1 to 6, a manual locking assembly or an electric locking assembly is arranged between the front seat pan 2 and the extension seat pan 3, and the manual locking assembly and the electric locking assembly can be fixedly installed in a manner of welding or threaded connection and the like. The space between the front seat basin 2 and the extension seat basin 3 is limited, and the manual locking assembly and the electric locking assembly are replaced, so that the manual locking assembly and the electric locking assembly are compact in structure and convenient to install and arrange while achieving the locking function.
As shown in fig. 1, 3-5, the manual locking assembly mainly comprises an unlocking handle 4, a locking claw 5, a handle support 6 and a locking claw support 7, wherein the handle support 6 is of an n-shaped structure, a horizontal section of the handle support 6 is fixed on an extension seat basin 3, a notch 401 extending from the middle to the rear end is arranged on the unlocking handle 4, the middle of the unlocking handle 4 is hinged between two vertical sections of the handle support 6 through a pin shaft, two return springs 8 for driving the unlocking handle 4 to return are arranged on the pin shaft, the two return springs 8 are symmetrically arranged left and right and are both positioned in the notch 401, the front end of the unlocking handle 4 extends out of the notch in the middle of a baffle 301, the operation of a passenger is facilitated, the rear end of the unlocking handle 4 is bent upwards, the unlocking handle 4 and the locking claw 5 are both provided with enough rotation space, and a compression bar 402 for driving the locking claw 5 is arranged between two side groove walls at the rear end of the notch 401.
Further, the latch bracket 7 is in a long strip shape, the front end of the latch bracket 7 extends from the lower part of the compression bar 402 into the notch 401, the rear end is bent upwards and then is bent forwards to form a mounting part 701, the mounting part 701 is fixed on the extension seat basin 3, a latch hole 703 and two latch mounting lugs 702 are arranged in the middle of the latch bracket 7, the two latch mounting lugs 702 are arranged in a bilateral symmetry manner, and the latch hole 703 is positioned behind the latch mounting lugs 702. The locking claw 5 is of a curved surface structure with the front end and the rear end upturned, when the locking claw 5 is in contact with the locking claw support 7, the locking claw 5 is provided with a claw extending downwards, the claw is of an n-shaped structure which is symmetrical left and right, two hinging lugs 502 corresponding to the locking claw mounting lugs 702 are arranged in the middle of the locking claw 5, a spring abdicating hole 501 is arranged between the two hinging lugs 502 on the locking claw 5, the hinging lugs 502 are hinged to the locking claw mounting lugs 702 through another pin shaft, another return spring 8 is arranged between the two hinging lugs 502 on the pin shaft, the return spring 8 is used for driving the locking claw 5 to return, the front end of the locking claw 5 is located below the pressing rod 402, the claw at the rear end of the locking claw 5 downwards penetrates through the locking claw hole 703 and is matched with the corresponding locking hole 201, locking of the extension basin 3 is realized, the claw adopts the n-shaped structure, the claw is matched with the locking hole 201 in double-safety manner, positioning is accurate, stability and reliability are realized, and meanwhile, influence on the strength of the locking hole 201 between adjacent locking holes and the locking basin 2 is avoided.
Further, when the unlocking handle 4 is lifted to enable the front end of the unlocking handle 4 to rotate upwards, the rear end of the unlocking handle 4 rotates downwards, the front end of the locking claw 5 is driven to rotate downwards, the rear end of the locking claw 5 is led to withdraw from the locking hole 201, unlocking is achieved, when the extension seat basin 3 slides in place, the unlocking handle 4 is released, the unlocking handle 4 and the locking claw 5 return under the driving of the return springs 8 respectively, and the claw of the locking claw 5 is inserted into the locking hole 201 again, so that locking is achieved.
As shown in fig. 2 and 6, the electric locking component is an electric screw-nut mechanism 10, one end of a motor 10b and one end of a screw rod 10c, which are far away from the motor 10b, are fixedly installed on the front seat basin 2 through a bracket respectively, a driving nut 10a which is in threaded fit with the screw rod 10c is fixedly connected with the extension seat basin 3, and the motor 10b drives the driving nut 10a so as to drive the extension seat basin 3 to slide forwards and backwards, so that the structure is simple and reliable, and the movement is accurate.
The invention has ingenious design, meets the comfort of the seat, realizes the commonality and interchangeability of the electric and manual extension leg support, meets the market differentiation requirement, and greatly reduces the development and production cost.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010531465.5A CN111703349B (en) | 2020-06-11 | 2020-06-11 | Leg rest extension manual and electric integrated mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010531465.5A CN111703349B (en) | 2020-06-11 | 2020-06-11 | Leg rest extension manual and electric integrated mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111703349A CN111703349A (en) | 2020-09-25 |
| CN111703349B true CN111703349B (en) | 2025-01-14 |
Family
ID=72540640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010531465.5A Active CN111703349B (en) | 2020-06-11 | 2020-06-11 | Leg rest extension manual and electric integrated mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111703349B (en) |
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| CN103209859A (en) * | 2010-10-25 | 2013-07-17 | 布罗泽汽车部件制造科堡有限公司 | Vehicle seat comprising a seat depth adjusting device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN111703349A (en) | 2020-09-25 |
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Country or region after: China Address after: 401133 No. 218 Yuguan Avenue, Yuzui Town, Jiangbei District, Chongqing Applicant after: Magna Hongli Automotive System Group Co.,Ltd. Address before: 401133 No. 218 Yuguan Avenue, Yuzui Town, Jiangbei District, Chongqing Applicant before: Chongqing Hongli Zhixin Technology Development Group Co.,Ltd. Country or region before: China Country or region after: China Address after: 401133 No. 218 Yuguan Avenue, Yuzui Town, Jiangbei District, Chongqing Applicant after: Chongqing Hongli Zhixin Technology Development Group Co.,Ltd. Address before: 401133 No. 218 Yuguan Avenue, Yuzui Town, Jiangbei District, Chongqing Applicant before: CHONGQING HONGLI ZHIXIN TECHNOLOGY DEVELOPMENT GROUP Co.,Ltd. Country or region before: China |
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Effective date of registration: 20241218 Address after: 401133 No. 218-2 Yuguan Avenue, Yuzui Town, Liangjiang New Area, Jiangbei District, Chongqing Applicant after: Magna seat R & D (Chongqing) Co.,Ltd. Country or region after: China Address before: 401133 No. 218 Yuguan Avenue, Yuzui Town, Jiangbei District, Chongqing Applicant before: Magna Hongli Automotive System Group Co.,Ltd. Country or region before: China |
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