CN219360881U - Automobile cushion extending mechanism - Google Patents
Automobile cushion extending mechanism Download PDFInfo
- Publication number
- CN219360881U CN219360881U CN202320105009.3U CN202320105009U CN219360881U CN 219360881 U CN219360881 U CN 219360881U CN 202320105009 U CN202320105009 U CN 202320105009U CN 219360881 U CN219360881 U CN 219360881U
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- CN
- China
- Prior art keywords
- cover plate
- leg support
- pneumatic spring
- upper cover
- leg
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Seats For Vehicles (AREA)
Abstract
The utility model discloses an automobile cushion extension mechanism, a leg support assembly of which comprises a pneumatic spring arranged on a pneumatic spring fixing bracket, the pneumatic spring is connected with an unlocking mechanism, the pneumatic springs are transversely arranged and perpendicular to the pneumatic spring fixing support, the front ends of the pneumatic springs are connected with the leg support upper cover plate, and the leg support upper cover plate is in sliding fit on the leg support lower cover plate and is positioned above the leg support lower cover plate; when the pneumatic spring is in a retracted state, the upper cover plate of the leg rest is positioned at the right limit position; when the pneumatic spring is in an extending state, the upper cover plate of the leg rest is positioned at the left limit position. The pneumatic spring is adopted as the driving mechanism of the leg support assembly, and the leg support assembly with the specific structure and the connecting structure thereof are matched, so that the whole automobile cushion extension mechanism has lower cost and good stability, and particularly can stably control the leg support assembly to transversely slide, has no deflection phenomenon in the vertical direction in the use process, can flexibly control the automobile cushion extension mechanism to stop at any position in the full stroke, and has no gear limit.
Description
Technical Field
The utility model relates to an automobile seat, in particular to an automobile cushion extending mechanism of the automobile seat.
Background
The automobile cushion extension mechanism is used for supporting thighs of passengers through the extended leg support assembly, and can improve comfort of the passengers in a lying state.
In the prior art, there are some technologies related to an automobile cushion extending mechanism, for example: a leg support for a seat (document CN 207737150U) disclosed by the vehicle mass-market (beijing) automobile manufacturing company, which is fixedly connected with the seat through a pair of fixing brackets arranged in parallel, and comprises an outer leg support assembly, an inner leg support assembly, an angle adjuster assembly and a connecting rod driving assembly, wherein the angle adjuster assembly is arranged between the pair of fixing brackets and is fixedly connected with the fixing brackets, the connecting rod driving assembly is driven to move by utilizing the left and right angle adjuster assemblies, and the connecting rod driving assembly drives the whole mechanism to ascend or descend and simultaneously drives the outer leg support assembly to extend or retract along the inner leg support assembly, so that the supporting range of the whole leg support is changed; another example is a leg supporting device (CN 214295696U) for an automobile seat developed by the company of the investment limited of virginia (china), which comprises a leg supporting basin, a set of link telescopic mechanisms, a stabilizer bar assembly, a driving mechanism and a set of driving bar assemblies, wherein one end parts of the link telescopic mechanisms are respectively connected with the leg supporting basin, the other end parts of the link telescopic mechanisms are respectively connected with two ends of the stabilizer bar assembly, the driving bar assemblies are driven to move back and forth through the driving mechanism, so that the link telescopic mechanisms are driven to open or retract, and the leg supporting device can provide enough leg support for passengers in a semi-lying state, so that the requirements of passenger comfort are met.
However, the above-mentioned car cushion extension mechanisms all adopt motor-driven cushion extension structures and the whole mechanism is relatively complex in structure and relatively high in whole structure cost.
Disclosure of Invention
At least aiming at the problems of the existing automobile cushion extending mechanism, the utility model provides the automobile cushion extending mechanism with simple structure and low cost.
The object of the utility model is achieved by the following scheme.
The automobile cushion extension mechanism comprises a leg support assembly, wherein the leg support assembly comprises a pneumatic spring arranged on a pneumatic spring fixing support, the pneumatic spring is connected with an unlocking mechanism, the pneumatic spring is transversely arranged and perpendicular to the pneumatic spring fixing support, the front end of the pneumatic spring is connected with a leg support upper cover plate, and the leg support upper cover plate is in sliding fit on a leg support lower cover plate and is positioned above the leg support lower cover plate; when the pneumatic spring is in a retracted state, the upper cover plate of the leg rest is positioned at the right limit position; when the pneumatic spring is in an extending state, the upper cover plate of the leg rest is positioned at the left limit position.
Preferably, the front end of the pneumatic spring is connected with a connecting piece, a strip-shaped through hole is arranged on the lower cover plate of the leg support, the connecting piece is connected with a movable piece, and a supporting leg on the movable piece penetrates through the strip-shaped through hole and is connected with the upper cover plate of the leg support; in the expansion process of the pneumatic spring, the supporting legs on the movable piece slide along the strip-shaped through holes.
In order to further improve the stability of the automobile cushion extension mechanism in the use process, two strip-shaped through holes are arranged in parallel, two supporting feet on the movable piece are respectively matched with the corresponding strip-shaped through holes, and the movable piece is in a strip shape.
Preferably, the movable piece is abutted against the bottom wall of the lower cover plate of the leg support.
In order to further improve the stability of the automobile cushion extension mechanism in the use process, a base is arranged on the lower cover plate of the leg support, a guide piece is arranged on the base, the sliding block of the upper cover plate of the leg support is matched in the base, and the sliding block of the upper cover plate of the leg support is also matched on the guide piece.
Preferably, the pneumatic spring is arranged in the middle of the pneumatic spring fixing bracket.
In the utility model, the leg support lower cover plate is arranged on the seat frame.
In the utility model, the leg support assembly also comprises a cushion front support plastic part arranged at the front end of the leg support upper cover plate, and the cushion front support plastic part and the leg support upper cover plate form a bracket together.
The beneficial effects are that: because the pneumatic spring is adopted as the driving mechanism of the leg support assembly and is matched with the leg support assembly with the specific structure and the connecting structure thereof, the whole automobile cushion extension mechanism has lower cost and good stability, and particularly can smoothly control the leg support assembly to transversely slide, has no deflection phenomenon in the vertical direction in the use process, and can flexibly control the automobile cushion extension mechanism to stop at any position in the whole stroke without gear limitation.
Drawings
Fig. 1 and 2 are schematic views of an extending mechanism (retracted state) of an automobile seat cushion in the embodiment;
fig. 3 and 4 are schematic views (extended states) of an automobile cushion extension mechanism in the embodiment.
Detailed description of the preferred embodiments
The utility model will be described in detail below with reference to the drawings and the detailed description.
Examples
Referring to fig. 1 to 4, an automobile cushion extension mechanism comprises a leg support assembly, wherein the leg support assembly comprises a pneumatic spring 2 arranged on a pneumatic spring fixing bracket 1, the pneumatic spring 2 is arranged in the middle of the pneumatic spring fixing bracket 1, the pneumatic spring 2 is connected with an unlocking mechanism, the unlocking mechanism adopts a key lock, a buckle lock or a drawstring lock, and the unlocking mechanism is used for controlling the operation and the stop of the pneumatic spring 2; the pneumatic spring 2 is transversely arranged and perpendicular to the pneumatic spring fixing bracket 1, the front end of the pneumatic spring 2 is connected with the upper leg support cover plate 3, and the upper leg support cover plate 3 is in sliding fit on the lower leg support cover plate 4 and is positioned above the lower leg support cover plate 4; when the pneumatic spring 2 is in a retracted state, the leg rest upper cover plate 3 is positioned at a right limit position; when the pneumatic spring 2 is in the extended state, the leg rest upper cover plate 3 is located at the left limit position.
In the embodiment, a connecting piece 5 (i.e. a fixed bracket of the pneumatic spring 2) is connected to the front end of the pneumatic spring 2, a strip-shaped through hole 6 is arranged on the leg support lower cover plate 4, the connecting piece 5 is connected with a movable piece, and a supporting leg on the movable piece passes through the strip-shaped through hole 6 and is connected with the leg support upper cover plate 3; during the expansion and contraction process of the pneumatic spring 2, the support legs on the movable piece slide along the strip-shaped through holes 6. Wherein, bar through-hole 6 parallel arrangement has two, and two stabilizer blades on the moving part match respectively corresponding bar through-hole 6, and the moving part is rectangular shape, and the moving part is leaned on leg to hold in the palm apron 4 diapire down.
In this embodiment, as shown in fig. 3, a base 7 is provided on the leg rest lower cover 4, a guide 8 is provided in the base 7, the guide 8 is parallel to the pneumatic spring 2, a slider 9 of the leg rest upper cover 3 is fitted in the base 7, the slider 9 of the leg rest upper cover 3 is also fitted on the guide 8, and the slider 9 can slide along the guide 8.
In this embodiment, the lower leg support cover 4 is disposed on the seat frame 10, and the leg support assembly further includes a cushion front support plastic member 11 disposed at the front end of the upper leg support cover 3, and the cushion front support plastic member 11 and the upper leg support cover 3 together form a bracket.
In this embodiment, in order to further improve the stability of the automobile cushion extension mechanism, clamping grooves are provided on two sides of the base 7, and two sides of the sliding block 9 of the upper cover plate 3 of the leg support are clamped in the clamping grooves to prevent the upper cover plate 3 of the leg support from tilting upwards, i.e. the upper cover plate 3 of the leg support is limited, so that the upper cover plate 3 of the leg support can only slide transversely and cannot deflect upwards and downwards.
In the initial state, the leg rest assembly of the automobile cushion extension mechanism is positioned at the position shown in fig. 1 and 2, namely, the leg rest upper cover plate 3 is positioned at the right limit position; when the cushion is used, the pneumatic spring 2 is inflated and then extends forwards after the unlocking mechanism is operated to unlock, when the pneumatic spring 2 extends forwards, the sliding block 9 of the upper cover plate 3 of the leg rest slides rightwards along the base 7, the sliding block 9 simultaneously slides rightwards along the guide piece 8, and the front supporting plastic piece 11 of the cushion moves synchronously along with the upper cover plate 3 of the leg rest, so that the cushion extends (extends forwards) until the pneumatic spring 2 is in an extending state as shown in fig. 3 and 3, and the upper cover plate 3 of the leg rest is positioned at the left limit position; when the leg support assembly is required to reset, the unlocking mechanism is firstly operated to unlock, and then the front end of the seat cushion is pushed back to the opposite direction by the hands of a passenger.
Because the pneumatic spring is adopted as the driving mechanism of the leg support assembly and is matched with the leg support assembly with the specific structure and the connecting structure thereof, the whole automobile cushion extension mechanism has lower cost and good stability, and particularly can smoothly control the leg support assembly to transversely slide, has no deflection phenomenon in the vertical direction in the use process, and can flexibly control the automobile cushion extension mechanism to stop at any position in the whole stroke without gear limitation.
Claims (8)
1. The utility model provides an automobile cushion extending mechanism, includes leg rest subassembly, its characterized in that: the leg support assembly comprises a pneumatic spring (2) arranged on a pneumatic spring fixing support (1), the pneumatic spring (2) is connected with an unlocking mechanism, the pneumatic spring (2) is transversely arranged and perpendicular to the pneumatic spring fixing support (1), the front end of the pneumatic spring (2) is connected with a leg support upper cover plate (3), and the leg support upper cover plate (3) is in sliding fit on a leg support lower cover plate (4) and is positioned above the leg support lower cover plate (4); when the pneumatic spring (2) is in a retracted state, the upper cover plate (3) of the leg rest is positioned at the right limit position; when the pneumatic spring (2) is in an extending state, the upper cover plate (3) of the leg support is positioned at the left limit position.
2. The car cushion extension mechanism of claim 1, wherein: the front end of the pneumatic spring (2) is connected with a connecting piece (5), a strip-shaped through hole (6) is arranged on the lower cover plate (4) of the leg support, the connecting piece (5) is connected with a movable piece, and a supporting leg on the movable piece penetrates through the strip-shaped through hole (6) and is connected with the upper cover plate (3) of the leg support; in the expansion and contraction process of the pneumatic spring (2), the support legs on the movable piece slide along the strip-shaped through holes (6).
3. The car cushion extension mechanism of claim 2, wherein: the two strip-shaped through holes (6) are arranged in parallel, two supporting legs on the movable piece are respectively matched with the corresponding strip-shaped through holes (6), and the movable piece is strip-shaped.
4. The car cushion extension mechanism of claim 3, wherein: the movable piece is attached to the bottom wall of the lower cover plate (4) of the leg support.
5. The car cushion extension mechanism of claim 4, wherein: the leg support lower cover plate (4) is provided with a base (7), the base (7) is provided with a guide piece (8), the sliding block (9) of the leg support upper cover plate (3) is matched in the base (7), and the sliding block (9) of the leg support upper cover plate (3) is also matched on the guide piece (8).
6. The car cushion extension mechanism of any one of claims 1-5, wherein: the pneumatic spring (2) is arranged in the middle of the pneumatic spring fixing bracket (1).
7. The car cushion extension mechanism of claim 6, wherein: the leg support lower cover plate (4) is arranged on the seat frame (10).
8. The car cushion extension mechanism of claim 7, wherein: the leg support assembly also comprises a cushion front support plastic part (11) arranged at the front end of the leg support upper cover plate (3), and the cushion front support plastic part (11) and the leg support upper cover plate (3) form a bracket together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320105009.3U CN219360881U (en) | 2023-02-03 | 2023-02-03 | Automobile cushion extending mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320105009.3U CN219360881U (en) | 2023-02-03 | 2023-02-03 | Automobile cushion extending mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219360881U true CN219360881U (en) | 2023-07-18 |
Family
ID=87114133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320105009.3U Active CN219360881U (en) | 2023-02-03 | 2023-02-03 | Automobile cushion extending mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219360881U (en) |
-
2023
- 2023-02-03 CN CN202320105009.3U patent/CN219360881U/en active Active
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