CN214267422U

CN214267422U - Headrest sliding assembly for seat and headrest

Info

Publication number: CN214267422U
Application number: CN202022454493.XU
Authority: CN
Inventors: 郭建平; 李致斌; 王强; 聂熠萍; 吴青松
Original assignee: Shanghai Tanda Railway Vehicle Seat System Co ltd
Current assignee: Shanghai Tanda Railway Vehicle Seat System Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-09-24
Anticipated expiration: 2030-10-29

Abstract

The utility model relates to a seat for car or train discloses a headrest slip subassembly and headrest for seat, including setting up zip fastener (1) along the high extension of seat on the seat, chain (15) and this body coupling of headrest of zip fastener (1), have on chain (15) and draw nose (2), be equipped with connecting hole (3) on the headrest body, draw behind nose (2) embedding connecting hole (3) to fix a position on the headrest body through setting element (4), setting element (4) are bolt or pin or rivet or location strip, draw and have locating hole (5) on nose (2), setting element (4) pass locating hole (5). The utility model combines the headrest body with the zipper, the assembly is convenient, the assembly process is simple, the headrest is convenient to be assembled and disassembled, the maintenance is easy, and the sliding is stable and soft; only need zip fastener, plug connector, plug-in components, simple structure, spare part is few, and whole weight is lighter.

Description

Headrest sliding assembly for seat and headrest

Technical Field

The utility model relates to a car or for the train seat, especially, relate to a headrest slip subassembly and headrest for seat.

Background

The traditional car or train headrest slides in the form of a slide rail or a sewn covering belt and the like, the sliding of the slide rail can ensure the sliding stability of the headrest to the maximum extent, but the defects are that the traditional car or train headrest is stiff, the whole structure is complex, the number of parts is large, and the mass is heavy; the sliding in the form of the sewn cloth tape is soft and light as a whole, but is unstable.

At present, the invention provides a portable automobile seat headrest adjusting device, and is a utility model patent application with the patent number of 201921252530.X, the portable automobile seat headrest adjusting device comprises a headrest, a seat, a headrest inserted bar and a vertical lifting mechanism, wherein the top of the seat is provided with a square mounting groove for mounting the vertical lifting mechanism, the top of the headrest inserted bar is fixedly connected with an automobile headrest, the bottom of the headrest inserted bar is inserted into the vertical lifting mechanism, the vertical lifting mechanism comprises a placing box, a lifting plate and a spiral driving structure, the height of the headrest can be accurately controlled, the portable automobile seat headrest adjusting device is widely applicable to various places, but the portable automobile seat headrest adjusting device is complex in structure, multiple in parts, heavy in quality and relatively high in cost.

Disclosure of Invention

The utility model discloses to among the prior art slide rail mode structure complicated, the part is many, the quality is heavy, make up strap form shortcoming of job stabilization, provide a headrest slip subassembly and headrest for seat, simple structure, part are few, the quality is light, and job stabilization.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve:

the headrest sliding assembly for the seat comprises a zipper arranged on the seat and extending along the height of the seat, and the zipper head of the zipper is connected with a headrest body.

Furthermore, the chain head is provided with a pull nose, the headrest body is provided with a connecting hole, and the pull nose is embedded into the connecting hole and then positioned on the headrest body through a positioning piece.

Furthermore, the positioning part is a bolt or a pin or a rivet or a positioning strip, the pull nose is provided with a positioning hole, and the positioning part penetrates through the positioning hole.

Furthermore, the upper surface of the chain head is provided with a plug connector which protrudes outwards, the headrest body is provided with a connecting hole matched with the plug connector, and the plug connector is positioned on the headrest body through a positioning piece after being embedded into the connecting hole.

Furthermore, the positioning piece is a bulge arranged on the left side surface and the right side surface of the plug connector, and the front surface and the rear surface of the bulge are both arc-shaped convex surfaces.

Furthermore, the plug connector is provided with a positioning hole, the positioning piece is a plug pin or a rivet or a positioning strip, and the positioning piece penetrates through the positioning hole.

Furthermore, the convex surface in front of the protrusion is an insertion guide surface for inserting the plug connector into the connecting hole, the convex surface behind the protrusion is a pull-out guide surface for pulling out the plug connector from the connecting hole, and the radian of the insertion guide surface is smaller than that of the pull-out guide surface.

The utility model also provides a height-adjustable's headrest, including the headrest body, with this body coupling's of headrest slip subassembly.

Further, the headrest body includes a headrest base and a headrest cover mounted on the headrest base.

Furthermore, a sub-button for fixing is arranged on the headrest base, and a female button is arranged on the headrest cover and corresponds to the headrest base.

Furthermore, the headrest base is further provided with an installation column for positioning, the head of the installation column protrudes along the outer diameter, a positioning groove is arranged at the corresponding position of the headrest cover and the headrest base, the positioning groove is in a shape that the upper portion is narrow and the lower portion is wide, and a notch at the upper portion of the positioning groove is smaller than the size of the head of the installation column.

Further, the coupling hole of the headrest slide assembly is provided on the headrest base.

The utility model discloses owing to adopted above technical scheme, have apparent technological effect:

the headrest body is combined with the zipper, so that the assembly is convenient, the assembly process is simple, the headrest is convenient to mount and dismount, and the maintenance is easy; the zipper type sliding assembly only needs a zipper and a positioning piece, and has simple structure, few parts and light overall weight; the integral structure is the combination of a sheet metal part, a machining part and a plastic part, the parts are simple to manufacture and easy to process, and the time cost is saved; in addition, the parts have recyclable use performance, so the method is environment-friendly; the zipper type sliding is adopted, and the sliding is stable and soft.

Drawings

Fig. 1 is an exploded view of embodiment 1 of the present invention;

fig. 2 is a structural view of the headrest base of embodiment 1 of the present invention mounted on a slide fastener;

fig. 3 is a structural view of the headrest cover according to embodiments 1 and 2 of the present invention;

fig. 4 is a plan view of a plug connector according to embodiment 2 of the present invention.

The names of the parts indicated by the numerical references in the drawings are as follows: the headrest comprises a zipper 1, a zipper 2, a pull nose 3, a connecting hole 4, a positioning piece 5, a positioning hole 6, a headrest base 7, a headrest cover 8, a mounting column 9, a sub-buckle 10, a positioning groove 11, a female buckle 12, a bulge 13, an insertion guide surface 14, a removal guide surface 15 and a zipper head 15.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Example 1

As shown in fig. 1-3, the utility model provides a headrest sliding assembly for seat, which comprises a zipper 1 arranged on the seat and extending along the height of the seat, wherein a zipper head 15 of the zipper 1 is connected with a headrest body. The headrest body can slide up and down along with the zipper head 15 of the zipper 1, so that the height of the headrest is adjustable.

The zipper head 15 is provided with the zipper nose 2, the zipper nose 2 is provided with the positioning hole 5, and the positioning hole 5 can be originally used for connecting the zipper pull piece, so that the structure of the zipper head 15 does not need to be modified, and only the structure of the headrest body needs to be modified. Be equipped with connecting hole 3 on the headrest body, draw behind the nose 2 embedding connecting hole 3 to fix a position on the headrest body through setting element 4, setting element 4 is bolt or pin or rivet or location strip, and in this embodiment, setting element 4 is the bolt, and the bolt passes locating hole 5 and fixes a position chain head 15 and headrest body, and the headrest body can move along with the slip of chain head 15 this moment.

A height-adjustable headrest comprises a headrest body and a headrest sliding assembly connected with the headrest body. The headrest body includes a headrest base 6 and a headrest cover 7 mounted on the headrest base 6.

In this embodiment, be equipped with the erection column 8 that is used for the location on the headrest base 6 and be used for fixed son to detain 9, erection column 8 passes through the blind rivet to be fixed on the headrest base 6, and the head of erection column 8 is along the external diameter protrusion, is provided with constant head tank 10 and box 11 with headrest base 6 relevant position on the headrest lid 7, and constant head tank 10 is the shape that the narrow lower part in upper portion is wide, and constant head tank 10 upper portion notch is less than the size of the head of erection column 8. The installation columns 8 and the heads of the installation columns 8 can prevent the headrest cover 7 from falling off the headrest base 6 as much as possible.

In this embodiment, the coupling hole 3 of the headrest sliding assembly is provided on the headrest base 6, and the slide fastener 1 is provided on the seat cover fitted over the seat.

When the device is installed, the pull nose on the chain head 15 is inserted into the connecting hole 3, and then the positioning piece is inserted into the positioning hole to position the chain head 15; then, the lower part of the positioning groove 10 of the headrest cover 7 is sleeved with the mounting column 8, the headrest cover 7 is pulled down, the mounting column 8 is arranged at the upper part of the positioning groove 10, then the female buckle 11 of the headrest cover 7 is buckled with the male buckle 9, the headrest cover 7 can be mounted on the headrest base 6, and a headrest cover and the like are sleeved on the headrest body. The headrest body can be driven to slide up and down when the chain head 15 slides, the height of the headrest is adjustable, the operation is simple and convenient, the number of parts is small, and the replacement and maintenance are simple and convenient.

Example 2

The basic structure of the headrest is the same as that of the headrest in embodiment 1, except that the chain head 15 is not provided with a pull nose, the upper surface of the chain head 15 is provided with a plug connector which protrudes outwards, the pull nose 2 is replaced by the plug connector, the headrest body is provided with a connecting hole 3 matched with the plug connector, and the plug connector is positioned on the headrest body through a positioning piece 4 after being embedded into the connecting hole 3.

The positioning element 4 can be a bolt, a pin, a rivet or a positioning strip, a positioning hole 5 needs to be formed in the plug connector at the moment, and the positioning element 4 penetrates through the positioning hole 5 to position the plug connector and the headrest body. In the present embodiment, as shown in fig. 4, the positioning member 4 is a protrusion 12 provided on both left and right sides of the connector, both front and rear surfaces of the protrusion 12 are arc-shaped convex surfaces, the convex surface in front of the protrusion 12 is an insertion guide surface 13 for inserting the connector into the connection hole 3, the convex surface behind the protrusion 12 is a removal guide surface 14 for removing the connector from the connection hole 3, and the radian of the insertion guide surface 13 is smaller than that of the removal guide surface 14. The plug connector can be conveniently inserted into the connecting hole 3 and is not easy to be separated from the connecting hole.

In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the scope of the present invention.

Claims

1. The headrest sliding assembly for the seat is characterized by comprising a zipper (1) which is arranged on the seat and extends along the height of the seat, wherein a zipper head (15) of the zipper (1) is connected with a headrest body; the chain head (15) is provided with a pull nose (2) or a connector clip with the upper surface protruding outwards, the headrest body is provided with a connecting hole (3) matched with the pull nose (2) or the connector clip, and the pull nose (2) or the connector clip is positioned on the headrest body through a positioning piece (4) after being embedded into the connecting hole (3).

2. The headrest sliding assembly for seats according to claim 1, wherein when the chain head (15) has a pull tab (2), the positioning member (4) is a pin or a dowel or a rivet or a positioning strip, the pull tab (2) has a positioning hole (5), and the positioning member (4) passes through the positioning hole (5).

3. The headrest sliding assembly for seats according to claim 1, wherein when the link head (15) has an outwardly protruding socket connector on the upper surface thereof, the positioning member (4) is a protrusion (12) provided on both left and right sides of the socket connector, and both front and rear surfaces of the protrusion (12) are curved convex surfaces.

4. The headrest sliding assembly for seats according to claim 1, wherein the plug-in connector is provided with a positioning hole (5), the positioning member (4) is a pin or a dowel or a rivet or a positioning strip, and the positioning member (4) passes through the positioning hole (5).

5. A height adjustable headrest comprising a headrest body, further comprising a headrest slide assembly as claimed in any one of claims 1 to 4, the headrest slide assembly being connected to the headrest body.

6. A height adjustable headrest according to claim 5, characterized in that the headrest body comprises a headrest base (6) and a headrest cover (7) mounted on the headrest base (6).

7. The height-adjustable headrest according to claim 6, wherein the headrest base (6) is provided with a male snap (9) for fixing, and the headrest cover (7) is provided with a female snap (11) at a position corresponding to the headrest base (6).

8. The height-adjustable headrest according to claim 5, wherein the headrest base (6) is further provided with a mounting post (8) for positioning, the head of the mounting post (8) is protruded along the outer diameter, a positioning groove (10) is provided on the headrest cover (7) at a position corresponding to the headrest base (6), the positioning groove (10) has a shape that the upper portion is narrow and the lower portion is wide, and the upper notch of the positioning groove (10) is smaller than the size of the head of the mounting post (8).