CN216684185U

CN216684185U - Foldable headrest

Info

Publication number: CN216684185U
Application number: CN202220184168.2U
Authority: CN
Inventors: 姚芬渊; 朱航凯
Original assignee: Ningbo Jifeng Auto Parts Co Ltd
Current assignee: Ningbo Jifeng Auto Parts Co Ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-06-07
Anticipated expiration: 2032-01-24

Abstract

The utility model belongs to the technical field of automobile parts, and particularly relates to a foldable headrest, which comprises: the headrest comprises a headrest body, a locking plate and a locking mechanism, wherein an inner cavity is formed in the headrest body, the inner cavity is provided with the locking plate which is rotatably connected with the headrest body, an unlocking shaft is inserted into the headrest body, and one end of the unlocking shaft abuts against the upper end of the locking plate; the headrest support rod is used for being connected with a seat, a cross rod is arranged on the headrest support rod and movably penetrates through the headrest main body, a locking groove is formed in the part, located in the inner cavity, of the cross rod, and the lower end of the locking plate is movably inserted into the locking groove; when the unlocking shaft is pressed, the lower end of the locking plate can be driven to be separated from the locking groove. Compared with the prior art, the foldable headrest has the advantages that the foldable headrest is unlocked by pressing the unlocking shaft, the headrest is automatically folded by means of the elasticity of the torsion spring after being unlocked, and the second inclined surface always abuts against the first inclined surface in the moving process of the unlocking shaft, so that the unlocking shaft is prevented from being separated from the locking plate.

Description

Foldable headrest

Technical Field

The utility model belongs to the technical field of automobile parts, and particularly relates to a foldable headrest.

Background

At present, the front and back angles of the headrest of the automobile seat are basically fixed. Some vehicle seats have a headrest that moves only up and down to reach the desired position of the vehicle occupant by moving up and down, but cannot be adjusted in the front-to-rear direction. And also affects the rearview sight when backing a car; on other headrests with buttons, the parts in the headrest framework can be touched to act only by pressing the buttons, the headrests can only move up and down, and the front and back positions cannot be adjusted at all, so that a passenger can only adjust the height direction to reach a comfortable position. When the back of the back row seat is folded forwards, the headrest cannot be folded well due to limited space, so that the back of the back row seat cannot be folded fully, and the space cannot be fully utilized; the headrest with the folding function is complex in structure and limited in folding angle, the headrest is adjusted and manually folded in place during folding, and then the rear-row seat can be folded forwards, so that the operation is complex.

SUMMERY OF THE UTILITY MODEL

The utility model provides a foldable headrest aiming at the current situation of the prior art.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a foldable headrest is proposed, comprising: the headrest comprises a headrest body, a headrest body and a locking mechanism, wherein an inner cavity is formed in the headrest body, a locking plate which is rotatably connected with the headrest body is arranged in the inner cavity, an unlocking piece is arranged on the headrest body, and the unlocking piece can drive the locking plate to rotate when moving;

the headrest support rod is used for being connected with a seat, a cross rod is arranged on the headrest support rod and movably penetrates through the headrest main body, a locking groove is formed in the part, located in the inner cavity, of the cross rod, and the lower end of the locking plate is movably inserted into the locking groove;

the lower end of the locking plate can be disengaged from the locking groove when the locking plate rotates.

In the foldable headrest, a rotation center is formed towards the inner cavity of the headrest main body, a rotation hole is formed in the locking plate, and the rotation center is movably inserted into the rotation hole.

In the foldable headrest, the locking plate is provided with an arc-shaped hole, the headrest cover main body is provided with a limiting tongue piece towards the inner cavity, and the limiting tongue piece is inserted into the arc-shaped hole.

In the above foldable headrest, the lock plate is provided with a mounting post, the mounting post is sleeved with a return spring, and the return spring abuts against the headrest main body.

In the foldable headrest, the unlocking piece comprises an unlocking shaft, the unlocking shaft is movably inserted into the headrest body, and one end of the unlocking shaft movably abuts against the locking plate.

In the foldable headrest, a first abutting inclined surface is arranged at the upper end of the locking plate, a second abutting inclined surface is arranged at the end part of the unlocking shaft, and the second abutting inclined surface is movably abutted against the first abutting inclined surface.

In foretell a collapsible headrest, the mounting hole has been seted up on the headrest main part, the mounting hole is inserted and is equipped with the mount pad, unblock axle activity set up in the mount pad, the epaxial spacing strip that is provided with of unblock, the spacing groove that has seted up in the mount pad, spacing strip activity set up in the spacing inslot, spacing strip tip is provided with the mousing-hook, the mousing-hook activity support lean on in the mount pad tip.

In foretell a collapsible headrest, be provided with the locking piece on the horizontal pole, the locking groove set up with on the locking piece, the cover is equipped with the torsional spring on the horizontal pole, torsional spring one end is connected with the locking piece, and the torsional spring other end supports to lean on in the headrest main part.

Compared with the prior art, the foldable headrest has the advantages that the foldable headrest is unlocked by pressing the unlocking shaft, the headrest is automatically folded by means of the elasticity of the torsion spring after being unlocked, and the second inclined surface always abuts against the first inclined surface in the moving process of the unlocking shaft, so that the unlocking shaft is prevented from being separated from the locking plate.

Drawings

FIG. 1 is a perspective view of the present foldable headrest;

FIG. 2 is an internal structural view of the present foldable headrest;

FIG. 3 is an exploded view of the unlocking shaft and mounting block;

fig. 4 is a perspective view of the unlocking shaft.

In the figure, 1, a headrest body; 2. an inner cavity; 3. a lock plate; 4. unlocking the shaft; 5. a headrest stay; 6. a cross bar; 7. a locking groove; 8. rotating the hole; 9. a center of rotation; 10. an arc-shaped hole; 11. a limiting tongue piece; 12. mounting a column; 13. a return spring; 14. a first abutting inclined surface; 15. a second abutting inclined surface; 16. mounting holes; 17. a mounting seat; 18. a limiting strip; 19. a limiting groove; 20. unhooking prevention; 21. a locking block; 22. a torsion spring.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 4, the present foldable headrest includes: the headrest comprises a headrest main body 1, a locking plate 3 is arranged in the inner cavity 2, an unlocking shaft 4 is inserted into the headrest main body 1, and one end of the unlocking shaft 4 abuts against the upper end of the locking plate 3; the headrest supporting rod 5 is used for being connected with a seat, a cross rod 6 is arranged on the headrest supporting rod 5, the cross rod 6 penetrates through the headrest main body 1, a locking groove 7 is formed in the part, located in the inner cavity 2, of the cross rod 6, and the lower end of the locking plate 3 is movably inserted into the locking groove 7; when the unlocking shaft 4 is pressed, the lower end of the locking plate 3 can be driven to be separated from the locking groove 7.

When the lower end of the lock plate 3 is inserted into the lock groove 7, the headrest main body 1 cannot rotate relative to the headrest stay 5 at this time, and when the lock plate 3 rotates.

Be provided with in inner chamber 2 and rotate the locking plate 3 of being connected with headrest main part 1, unblock axle 4 supports and leans on in locking plate 3 upper end, just can drive locking plate 3 when unblock axle 4 removes and rotate around its junction with the headrest cover main part, 3 lower extreme activities of locking plate are inserted and are located locking groove 7, 3 lower extremes of locking plate break away from locking groove 7, locking plate 3 and locking groove 7 alternate segregation this moment, and then headrest main part 1 can rotate around horizontal pole 6, make the angle between headrest main part 1 and the seat change, it is folding to be about the headrest.

The headrest main body 1 is provided with a rotation center 9 towards the inner cavity 2, a rotation hole 8 is formed on the locking plate 3, and the rotation center 9 is movably inserted into the rotation hole 8.

When the unlocking shaft 4 moves, the locking plate 3 can be driven to rotate around the rotation center 9.

An arc-shaped hole 10 is formed in the locking plate 3, a limiting tongue piece 11 is formed on the headrest cover main body towards the inner cavity 2, and the limiting tongue piece 11 is inserted into the arc-shaped hole 10.

When the locking plate 3 rotates, the arc-shaped hole 10 can generate relative displacement with the limiting tongue piece 11, and the locking plate 3 cannot move continuously when the limiting tongue piece 11 abuts against the end part of the arc-shaped hole 10, so that the effect of limiting the moving distance of the locking plate 3 is achieved.

Be provided with erection column 12 on the lock board 3, the cover is equipped with reset spring 13 on the erection column 12, and reset spring 13 supports and leans on in headrest body 1.

After the unblock is accomplished, reset spring 13's elasticity can make the lock board 3 resume to home position to when headrest main part 1 under normal use state, reset spring 13 can guarantee that lock board 3 can not rock easily.

The upper end of the locking plate 3 is provided with a first abutting inclined surface 14, the end part of the unlocking shaft 4 is provided with a second abutting inclined surface 15, and the second abutting inclined surface 15 is movably abutted against the first abutting inclined surface 14.

Can drive lock plate 3 and rotate when unlocking axle 4 removes, take place relative slip this moment between unlocking axle 4 and the lock plate 3, at the unblock in-process, the second inclined plane supports to lean on in first inclined plane always, prevents that unlocking axle 4 from breaking away from lock plate 3.

The headrest main body 1 is provided with a mounting hole 16, a mounting seat 17 is inserted into the mounting hole 16, the unlocking shaft 4 is movably arranged in the mounting seat 17, a limiting strip 18 is arranged on the unlocking shaft 4, a limiting groove 19 is formed in the mounting seat 17, the limiting strip 18 is movably arranged in the limiting groove 19, the end part of the limiting strip 18 is provided with an anti-disengaging hook 20, and the anti-disengaging hook 20 is movably abutted to the end part of the mounting seat 17.

The moving path of the unlocking shaft 4 is limited by the limiting strip 18 and the limiting groove 19, so that the unlocking shaft 4 is further ensured not to be easily separated from the locking plate 3.

Be provided with locking piece 21 on the horizontal pole 6, locking groove 7 offer with locking piece 21 on, the cover is equipped with torsional spring 22 on the horizontal pole 6, torsional spring 22 one end is connected with locking piece 21, the torsional spring 22 other end supports to lean on in headrest body 1.

Under the elastic force of the torsion spring 22, when the locking plate 3 is disengaged from the locking groove 7, the headrest body 1 is automatically folded.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

Moreover, descriptions of the present invention as relating to "first," "second," "a," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Claims

1. A foldable headrest, comprising: the headrest comprises a headrest body, a headrest body and a locking mechanism, wherein an inner cavity is formed in the headrest body, a locking plate which is rotatably connected with the headrest body is arranged in the inner cavity, an unlocking piece is arranged on the headrest body, and the unlocking piece can drive the locking plate to rotate when moving;

2. The foldable headrest of claim 1, wherein the headrest body is formed with a rotation center towards an inner cavity, the locking plate is provided with a rotation hole, and the rotation center is movably inserted into the rotation hole.

3. The foldable headrest of claim 2, wherein the locking plate is provided with an arc-shaped hole, the headrest cover body is provided with a limiting tongue piece towards the inner cavity, and the limiting tongue piece is inserted into the arc-shaped hole.

4. The foldable headrest of claim 3, wherein the locking plate is provided with a mounting post, the mounting post is sleeved with a return spring, and the return spring abuts against the headrest body.

5. The foldable headrest of claim 4, wherein the unlocking member comprises an unlocking shaft movably inserted into the headrest body and having one end movably abutted against the locking plate.

6. The foldable headrest according to claim 5, wherein the upper end of the locking plate is provided with a first abutting slope, the end of the unlocking shaft is provided with a second abutting slope, and the second abutting slope movably abuts against the first abutting slope.

7. The foldable headrest according to claim 6, wherein the headrest body is provided with a mounting hole, a mounting seat is inserted into the mounting hole, the unlocking shaft is movably arranged in the mounting seat, a limiting bar is arranged on the unlocking shaft, a limiting groove is formed in the mounting seat, the limiting bar is movably arranged in the limiting groove, an end of the limiting bar is provided with an anti-unhooking hook, and the anti-unhooking hook movably abuts against an end of the mounting seat.

8. The foldable headrest according to claim 7, wherein the cross bar is provided with a locking block, the locking groove is formed in the locking block, the cross bar is sleeved with a torsion spring, one end of the torsion spring is connected with the locking block, and the other end of the torsion spring abuts against the headrest main body.