CN212604673U

CN212604673U - Automobile seat cushion length adjusting device

Info

Publication number: CN212604673U
Application number: CN202021026252.9U
Authority: CN
Inventors: 王明祥; 姬祖春
Original assignee: Mingyang Technology Suzhou Co ltd
Current assignee: Mingyang Technology Suzhou Co ltd
Priority date: 2020-06-06
Filing date: 2020-06-06
Publication date: 2021-02-26
Anticipated expiration: 2030-06-06

Abstract

The utility model discloses a car seat cushion length adjusting device, which comprises a fixed plate, wherein the fixed plate is fixedly arranged on a car seat cushion framework seat basin, and the fixed plate is provided with clamping positions with a set number; the tray is slidably arranged on the fixing plate; the locking clamp is arranged on the tray and provided with a locking part, and the locking part is positioned in the locking position and used for limiting the sliding of the tray relative to the fixing plate; the unlocking rod is movably arranged on the tray, an external force is applied to drive the unlocking rod, when the unlocking rod starts to move linearly along the set direction from the initial position, the unlocking rod can drive the lock clamp to move linearly along the direction perpendicular to the unlocking rod, so that the locking part is moved out from the clamping position, the automobile seat cushion length adjusting device plays a role in adjusting the cushion length, the problem that the human body difference can be better solved to cause the phenomenon that the legs of a user are uncomfortable to drive for a long time is effectively solved, and the riding comfort is improved.

Description

Automobile seat cushion length adjusting device

Technical Field

The utility model belongs to the technical field of car seat, specifically speaking relates to a car seat cushion length adjustment device.

Background

The automobile seat is an important part for embodying the riding comfort of a vehicle, the sitting posture anthropometric dimension is the main basis of the seat size design according to the ergonomic theory, and different passengers have different requirements on the seat comfort due to the difference of body shapes, so an adjusting mechanism is required to be arranged on the automobile seat. Automobile seat adjusts generally including back angle, the regulation of headrest height and seatpad size position, at present, the back angle has been set up mostly on automobile seat, the mechanism that the headrest highly adjusted, and the seatpad is ordinary seatpad basically, its length is fixed dimension, to different passengers like this, because their health is different, fixed dimension's seatpad can not guarantee that its shank strong point falls completely on the suitable position of seatpad, lead to driving the easy fatigue of in-process shank, consequently, current seat cushion structure can not satisfy all passengers and take the requirement of travelling comfort to the vehicle.

Disclosure of Invention

The utility model aims at providing a car seat cushion length adjustment device, it is anticipated to solve the technical problem who exists in the background art.

In order to solve the technical problem, the purpose of the utility model is to realize like this:

a device for adjusting the length of a seat cushion of a car seat comprises

The fixing plate is fixedly arranged on a seat basin of a seat cushion framework of the automobile seat and is provided with a set number of clamping positions;

the tray is slidably arranged on the fixing plate;

the locking clamp is arranged on the tray and provided with a locking part, and the locking part is positioned in the locking position and used for limiting the sliding of the tray relative to the fixing plate;

the unlocking rod is movably arranged on the tray, and when the unlocking rod is driven by applying an external force to move linearly along a set direction from an initial position, the unlocking rod can drive the lock clamp to move linearly along a direction perpendicular to the movement direction of the unlocking rod, so that the locking part is moved out from the clamping position.

On the basis of the above scheme and as a preferable scheme of the scheme: the lock card is equipped with first projection, the unblock pole is equipped with guide portion, the outer peripheral face of first projection keep with the surface contact of guide portion.

On the basis of the above scheme and as a preferable scheme of the scheme: the guide part is provided with a first guide surface, and the outer peripheral surface of the first convex column is kept in contact with the first guide surface; the first guide surface has a first concave guide surface and a first convex guide surface, the first concave guide surface is in circular arc transition with the first convex guide surface; when the first convex column is positioned on the first convex guide surface, the locking part is moved out of the locking position; when the first convex column is positioned on the first concave guide surface, the locking part enters the locking position.

On the basis of the above scheme and as a preferable scheme of the scheme: the lock clamp is also provided with a second convex column, the guide part is also provided with a second guide surface, and the peripheral surface of the second convex column is kept in contact with the second guide surface; the second guide surface has a second concave guide surface and a second convex guide surface, the second concave guide surface being in circular arc transition with the second convex guide surface; the second convex column is positioned on the second concave guide surface when the first convex column is positioned on the first convex guide surface; the second convex column is located on the second convex guide surface when the first convex column is located on the first concave guide surface.

On the basis of the above scheme and as a preferable scheme of the scheme: the first convex column and the second convex column are positioned on the same end surface of the lock clamp; at least one convex rib is arranged on the end face, away from the first convex column and the second convex column, of the lock clamp, a sliding groove is formed in the face, facing the convex rib, of the tray, and the convex rib is located in the sliding groove and in clearance fit with the sliding groove; the extending direction of the sliding groove is perpendicular to the moving direction of the unlocking rod.

On the basis of the above scheme and as a preferable scheme of the scheme: the tray is characterized by further comprising an adjusting and power-assisting assembly, wherein the adjusting and power-assisting assembly comprises at least one elastic element, one end of the elastic element is in contact with or connected with the fixing plate, the other end of the elastic element is in contact with or connected with the tray, the tray is kept to be pressed towards the outside of the fixing plate by the elastic element, and the pressing direction is parallel to the sliding direction of the tray relative to the fixing plate.

On the basis of the above scheme and as a preferable scheme of the scheme: the unlocking rod reset component is used for forcing the unlocking rod to return to an initial position after external force acting on the unlocking rod is removed.

On the basis of the above scheme and as a preferable scheme of the scheme: the handle is connected to the force application end of the unlocking rod.

On the basis of the above scheme and as a preferable scheme of the scheme: the handle is hinged to the tray and provided with a clamping portion, the clamping portion is a set distance away from the hinged position of the handle and the tray, and the clamping portion is movably connected with the force application end of the unlocking rod.

On the basis of the above scheme and as a preferable scheme of the scheme: the metal tray is fixedly arranged on the side, deviating from the fixed plate, of the tray.

Compared with the prior art, the utility model outstanding and profitable technological effect is: the automobile seat cushion length adjusting device plays a role in adjusting the cushion length, can better solve the problem that human body difference causes the suspension of thighs, effectively improves the discomfort of legs in long-time driving, and improves the riding comfort. The device has the characteristics of light weight, small locking reliable clearance, small sliding noise, high bearing front degree, strong adaptability and the like, and can meet the requirements of molding surfaces of different customer cushions.

Drawings

FIG. 1 is an exploded view of the overall structure of the present invention;

FIG. 2 is a schematic perspective view of the release lever;

FIG. 3 is a schematic view of another angular perspective of the release lever;

FIG. 4 is a schematic perspective view of the latch;

FIG. 5 is a schematic perspective view of the latch at another angle;

FIG. 6 is a schematic view of the release lever and latch engagement;

FIG. 7 is a schematic view of an assembly of the lock release lever and the lock clip;

fig. 8 is a schematic view of the locking and retaining structure.

Detailed Description

In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments obtained by a person skilled in the art without making any inventive step, based on the given embodiments, fall within the scope of protection of the present application.

In the description of the present application, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

In the description of the present application, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated.

A device for adjusting the length of a seat cushion of a car seat comprises

The fixing plate 1 is fixedly arranged on a seat basin of a seat cushion framework of the automobile seat, and the fixing plate 1 is provided with a set number of clamping positions 101 a; in the present embodiment, the clamping portion 101a is preferably formed by a recessed tooth groove of the rack 101.

A tray 2 slidably mounted on the fixing plate 1; specifically, tray 2 is fixed mounting has four sliders 8 on the terminal surface towards fixed plate 1 place, and four sliders 8 two bisymmetry settings have seted up the spout 102 that two symmetries set up on fixed plate 1, and slider 8 imbeds in the spout 102 to make tray 2 only can slide along the trend of spout 102. It should be noted that the run of the sliding groove 102 extends in the length adjustment direction of the seat.

A locking clip 5, which is arranged on the end surface of the tray 2 facing the fixing plate 1, wherein the locking clip 5 is provided with a locking part 55, and the locking part 55 is positioned in the locking position 101a so as to limit the sliding of the tray 2 relative to the fixing plate 1 along the sliding chute 102; in the embodiment, the locking part 55 is also preferably in a rack shape, and the locking part 55 can be meshed with the rack 101, so that the locking part 55 is meshed with the clamping position 101a to realize locking and limiting; it should be noted that the locking portion 55 has at least one tooth, so as to engage with one tooth groove of the rack 101 to realize locking limit; of course, the locking portion 55 may be a tooth socket, a tooth at the locking position 101a, or the engagement locking function described above.

The unlocking rod 4 is movably arranged on the tray 2, and when an external force is applied to drive the unlocking rod 4 to linearly move from an initial position along a set direction, the unlocking rod 4 can drive the lock clamp 5 to linearly move along a direction perpendicular to the movement direction of the unlocking rod 4, so that the locking part 55 is moved out from the clamping position 101 a. Specifically, the lock catch 5 of the present embodiment is provided with a first boss 51, the lock release lever 4 is provided with a guide portion 41, and the outer peripheral surface of the first boss 51 is kept in contact with the outer surface of the guide portion 41. The guide portion 41 of the present embodiment preferably has a first guide surface 411, and the outer peripheral surface of the first boss 51 is held in contact with the first guide surface 411; the first guide surface 411 has a first concave guide surface 4111 and a first convex guide surface 4112, and the first concave guide surface 4111 is in a circular arc transition with the first convex guide surface 4112; when the first protruding column is located on the first protruding guiding surface 4112, the locking portion 55 is moved out of the clamping position 101 a; when the first stud 51 is located on the first concave guide surface 4111, the lock portion 55 enters the lock position 101 a.

Further, the lock catch 5 is further provided with a second convex column 52, the guide portion 41 is further provided with a second guide surface 412, and the outer peripheral surface of the second convex column 52 is kept in contact with the second guide surface 412; the second guide surface 412 has a second concave guide surface 4121 and a second convex guide surface 4122, the second concave guide surface 4121 being arc-transitioned to the second convex guide surface 4122; when the first convex column 51 is positioned on the first convex guiding surface 4122 and the second convex column 52 is positioned on the second concave guiding surface 4121, the locking part 55 is moved out of the clamping position 101a, and the tray 2 can slide along the sliding groove 102 relative to the fixed plate 1, so as to adjust the length of the seat cushion; when the first protruding pillar 51 is located on the first concave guiding surface 4111 and the second protruding pillar 52 is located on the second convex guiding surface 4112, the locking portion 55 enters the locking position 101a, and the tray 2 cannot slide along the sliding slot 102 relative to the fixed plate 1.

In the present embodiment, it is preferable that the first convex column 51 and the second convex column 52 are located on the same end surface of the locking clip 5; a first convex rib 43 and a second convex rib 54 are arranged on the end face, away from the first convex pillar 51 and the second convex pillar 52, of the lock clip 5, a first sliding groove 21 and a second sliding groove 22 are formed in the face, facing the first convex rib 43 and the second convex rib 54, of the tray 2, and the first convex rib 43 and the second convex rib 54 are respectively located in the first sliding groove 21 and the second sliding groove 22 and are in clearance fit with the first sliding groove 21 and the second sliding groove 22; it should be noted that the extending direction of the first sliding groove 21 and the second sliding groove 22 is perpendicular to the moving direction of the unlocking rod 4, so that when the unlocking rod 4 is driven by an external force to move, the locking clip 5 can move along the direction perpendicular to the locking clip 5, and locking and unlocking are realized.

In order to make the seat cushion easily pop up during adjustment and facilitate stroke adjustment, the present embodiment further preferably further includes an adjustment assisting assembly 7, the adjustment assisting assembly 7 includes another two elastic elements 71, one end of each elastic element 71 contacts or is connected to the fixing plate 1, and the other end of each elastic element 71 contacts or is connected to the tray 2, the elastic elements 71 keep the tray 2 being pushed outwards towards the fixing plate 1, and the direction of the pushing is parallel to the direction in which the tray 2 slides relative to the fixing plate 1, so that after the locking clip 5 is unlocked from the clipping position 101a, the elastic elements 71 assist the tray 2 to be pushed outwards during adjustment, so that the seat cushion can be easily popped up during adjustment, and stroke adjustment is facilitated.

The present embodiment further preferably further includes an unlocking lever returning member 6, and the unlocking lever returning member 6 forces the unlocking lever 4 to return to the initial position after the external force applied to the unlocking lever 4 is removed. Preferably, the unlocking rod resetting component 6 is a pressure spring, and when the unlocking rod 4 is pulled out outwards under the action of external force, the pressure spring can be compressed; after the external force is removed, the unlocking rod 4 can return to the initial position under the action of the reset elastic force of the pressure spring, so that the automatic reset of the unlocking rod 4 is realized, and the locking clamp 5 is driven to be locked on the clamping position after the adjustment is finished so as to lock the tray 2.

In order to facilitate the application of force to the release lever 4, the present embodiment preferably further includes a handle 3, and the handle 3 is connected to the application end 43 of the release lever. Specifically, handle 3 is articulated with tray 2, and handle 3 has a joint portion 31, and joint portion 31 has the distance of setting for in articulated department 23 of handle 3 and tray apart from, and joint portion 31 and the application of force end 43 swing joint of unblocking lever to when the application of force makes handle 3 rotate around articulated department 23, alright in order to move with the application of force end 43 who drives the unblocking lever through joint portion 31, thereby drive unblocking lever 4 moving as a whole.

Further, still include metal tray 9, metal tray 9 sets firmly and deviates from fixed plate 1 place side on tray 2, and metal tray's setting makes the high rigidity of bearing strength of seatpad good to can customize the modification according to customer's different cushion molding surfaces.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a car seat cushion length adjustment device which characterized in that: comprises that

the tray is slidably arranged on the fixing plate;

2. A seat cushion length adjustment device for an automobile seat according to claim 1, wherein: the lock card is equipped with first projection, the unblock pole is equipped with guide portion, the outer peripheral face of first projection keep with the surface contact of guide portion.

3. A seat cushion length adjustment device for an automobile seat according to claim 2, wherein: the guide part is provided with a first guide surface, and the outer peripheral surface of the first convex column is kept in contact with the first guide surface; the first guide surface has a first concave guide surface and a first convex guide surface, the first concave guide surface is in circular arc transition with the first convex guide surface; when the first convex column is positioned on the first convex guide surface, the locking part is moved out of the locking position; when the first convex column is positioned on the first concave guide surface, the locking part enters the locking position.

4. A seat cushion length adjustment device for an automobile seat according to claim 3, wherein: the lock clamp is also provided with a second convex column, the guide part is also provided with a second guide surface, and the peripheral surface of the second convex column is kept in contact with the second guide surface; the second guide surface has a second concave guide surface and a second convex guide surface, the second concave guide surface being in circular arc transition with the second convex guide surface; the second convex column is positioned on the second concave guide surface when the first convex column is positioned on the first convex guide surface; the second convex column is located on the second convex guide surface when the first convex column is located on the first concave guide surface.

5. A seat cushion length adjustment device for an automobile seat according to claim 4, wherein: the first convex column and the second convex column are positioned on the same end surface of the lock clamp; at least one convex rib is arranged on the end face, away from the first convex column and the second convex column, of the lock clamp, a sliding groove is formed in the face, facing the convex rib, of the tray, and the convex rib is located in the sliding groove and in clearance fit with the sliding groove; the extending direction of the sliding groove is perpendicular to the moving direction of the unlocking rod.

6. A seat cushion length adjustment device for an automobile seat according to claim 1, wherein: the tray is characterized by further comprising an adjusting and power-assisting assembly, wherein the adjusting and power-assisting assembly comprises at least one elastic element, one end of the elastic element is in contact with or connected with the fixing plate, the other end of the elastic element is in contact with or connected with the tray, the tray is kept to be pressed towards the outside of the fixing plate by the elastic element, and the pressing direction is parallel to the sliding direction of the tray relative to the fixing plate.

7. A seat cushion length adjustment device for an automobile seat according to claim 1, wherein: the unlocking rod reset component is used for forcing the unlocking rod to return to an initial position after external force acting on the unlocking rod is removed.

8. A seat cushion length adjustment device for an automobile seat according to claim 1, wherein: the handle is connected to the force application end of the unlocking rod.

9. A seat cushion length adjustment device for an automobile seat according to claim 8, wherein: the handle is hinged to the tray and provided with a clamping portion, the clamping portion is a set distance away from the hinged position of the handle and the tray, and the clamping portion is movably connected with the force application end of the unlocking rod.

10. A seat cushion length adjustment device for an automobile seat according to claim 1, wherein: the metal tray is fixedly arranged on the side, deviating from the fixed plate, of the tray.