CN213007761U

CN213007761U - Headrest lifting and telescopic adjusting mechanism

Info

Publication number: CN213007761U
Application number: CN202022019987.5U
Authority: CN
Inventors: 唐浩飞
Original assignee: Hebei Ruiyang Auto Electric Co ltd
Current assignee: Hebei Ruiyang Auto Electric Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-04-20
Anticipated expiration: 2030-09-16

Abstract

The utility model discloses a headrest lifting and telescoping adjusting mechanism, which comprises an inverted U-shaped inserted bar, a mounting plate, a mounting seat, a first hinging seat, a second hinging seat and two mounting lugs; the utility model discloses a headrest is fixed to headrest, including the first articulated seat lower part, the inboard front portion of installation ear is articulated with the upper portion of first articulated seat, the articulated seat lower part of second articulates at the outside rear portion of mount pad, the inboard rear portion of installation ear is articulated with the upper portion of the articulated seat of second, the rear portion of mount pad still articulates there is the group board, it dials the groove and with first articulated seat rear side lower edge matched with tooth to dial to have on the board, dial the inslot cooperation and wear to be equipped with the driving lever, the both ends of driving lever are fixed on first articulated seat, it is provided with the elastic element that tends to make the driving lever move down still to cooperate between first articulated seat and the mount pad, the mount pad is used for fixed headrest, compared with the prior art, the headrest can be realized from top to bottom, front and back and every single move and adjust, be favorable.

Description

Headrest lifting and telescopic adjusting mechanism

Technical Field

The utility model relates to an accessory field in the car cabin, concretely relates to headrest lift adjustment mechanism that stretches out and draws back.

Background

The car headrest is car seat's important component part, mainly play the effect of buffering bearing, can protect human head neck portion when the vehicle is knocked into the back, it is well known, present car headrest establishes on the seat backplate through inserting of inserted bar liftable, spacing draw-in groove through bayonet lock on the seat backplate and the inserted bar realizes the location, the problem that brings is exactly that the headrest is adjustable from top to bottom only and can not be around and every single move, the user normally takes in-process head rear side and can not be comfortable by on the headrest, be unfavorable for improving user's the experience of taking.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the background art, the utility model aims to provide a headrest goes up and down to stretch out and draw back adjustment mechanism, it has effectively solved the problem that exists among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the headrest lifting and telescopic adjusting mechanism comprises an inverted U-shaped inserted bar, an installation plate, an installation seat, a first hinge seat, a second hinge seat and two installation lugs; the mounting plate is fixedly arranged on the inverted U-shaped inserted bar, the mounting seat is fixedly arranged on the mounting plate, the lower part of the first hinge seat is hinged at the front part of the inner side of the mounting seat through a first hinge shaft, the inner front parts of the two mounting lugs are hinged with the upper part of the first hinge seat through a second hinge shaft, the lower part of the second hinge seat is hinged at the rear part of the outer side of the mounting seat through a third hinge shaft, the rear parts of the inner sides of the two mounting lugs are hinged with the upper part of the second hinge seat through a fourth hinge shaft, the rear part of the mounting seat is also hinged with a shifting plate, the shifting plate is provided with a shifting groove and teeth matched with the lower edge of the rear side of the first hinged seat, a deflector rod is arranged in the deflector groove in a penetrating way in a matching way, two ends of the deflector rod are respectively and fixedly arranged on the left side and the right side inside the first hinging seat, an elastic element tending to enable the shifting rod to move downwards is further arranged between the first hinge seat and the mounting seat in a matched mode.

Furthermore, a headrest mounting screw hole is formed in the mounting lug.

Furthermore, a dovetail groove extending along the left-right direction is formed in the mounting plate, and a dovetail slide block matched with the dovetail groove is fixedly arranged on the lower surface of the mounting seat.

Furthermore, the number of the dovetail grooves and the number of the dovetail slide blocks are two respectively.

Furthermore, the elastic element is a torsion spring sleeved on the first hinged shaft, and two arm rods of the torsion spring are respectively overlapped on the deflector rod and the lower part of the front side of the mounting seat.

The utility model discloses following beneficial technological effect has:

the utility model provides an installation ear is used for fixed headrest, compares with prior art, and headrest can realize about, around and every single move regulation, is favorable to the convenient quick suitable position and angle of adjusting the headrest of user, obtains good the experience of taking, has very strong practicality.

Drawings

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

FIG. 2 is a sectional view taken along line A-A in FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2 at B;

fig. 4 is a front view of the embodiment of the present invention with the inverted U-shaped insert rod removed.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 4, the headrest lifting/retracting adjustment mechanism of the present embodiment includes an inverted U-shaped insertion rod 1, a mounting plate 2, a mounting seat 3, a first articulated seat 4, a second articulated seat 5, and two mounting ears 6; the mounting plate 2 is welded on the inverted U-shaped inserted link 1, the inverted U-shaped inserted link 1 is used for being connected with an automobile seat, clamping grooves 7 are uniformly distributed on the inverted U-shaped inserted link 1 along the vertical direction, in the practical application process, a jack matched with the inverted U-shaped inserted link 1 is arranged on the automobile seat, a spring clamping pin matched with the clamping groove 7 is arranged at the upper opening of the jack, the height adjustment is realized through the matching of the clamping groove 7 and the spring clamping pin, the height adjustment is the same as the matching structure of a limiting clamping groove and the clamping pin on the existing automobile headrest inserted link, the lower part of the first articulated seat 4 is hinged on the front part of the inner side of the mounting seat 3 through a first articulated shaft 8, the left end and the right end of the first articulated shaft 8 are welded on the mounting seat 3, the lower part of the first articulated seat 4 is provided with a shaft hole matched with the first articulated shaft 8, the front parts of the inner sides of the two mounting lugs 6 are hinged with the, the upper part of the first hinged seat 4 is provided with a shaft hole matched with the second hinged shaft 9, the lower part of the second hinged seat 5 is hinged at the rear part of the outer side of the mounting seat 3 through a third hinged shaft 10, the left and right ends of the third hinged shaft 10 extend out of the mounting seat 3, the lower part of the second hinged seat 5 is provided with a shaft hole matched with the third hinged shaft 10, the rear parts of the inner sides of the two mounting lugs 6 are hinged with the upper part of the second hinged seat 5 through a fourth hinged shaft 11, the left and right ends of the fourth hinged shaft 11 are respectively welded on the two mounting lugs 6, the upper part of the second hinged seat 5 is provided with a shaft hole matched with the fourth hinged shaft 11, the rear part of the mounting seat 3 is also hinged with a shifting plate 12, the third hinged shaft 10 can rotatably penetrate through the shifting plate 12, the shifting plate 12 is provided with a shifting groove 13 and a tooth 14 matched with the lower edge of the rear side of the first hinged seat 4, a, the both ends of driving lever 15 weld respectively on the inside left and right sides of first articulated seat 4, still the cooperation is provided with between first articulated seat 4 and the mount pad 3 and tends to make driving lever 15 move down elastic element 16, specifically, elastic element 16 is the torsional spring of cover setting on first articulated shaft 8, and two armed levers of torsional spring overlap joint respectively on driving lever 15 and the front side lower part of mount pad 3.

The mounting lug 6 is provided with a headrest mounting screw hole 17, the headrest framework is arranged on the mounting lug through a screw, and the headrest framework is coated with a soft material.

The mount pad 3 welds on mounting panel 2, offers the dovetail 18 that extends along the left and right direction on mounting panel 2, be fixed with on the lower surface of mount pad 3 with dovetail 18 matched with forked tail slider 19, the quantity of dovetail 18 and forked tail slider 19 is two respectively, through the cooperation of dovetail 18 with forked tail slider 19, realizes the location between mount pad 3 and the mounting panel 2, makes things convenient for the welding between mount pad 3 and the mounting panel 2.

The working principle of the embodiment is as follows:

the headrest is arranged on the mounting lug 6 through screws and the like, when the headrest needs to be lifted or lowered, the inverted U-shaped insert rod 1 is pulled up or pressed down, when the headrest needs to be adjusted forwards and backwards and in a pitching mode, the mounting lug 6 is held by two hands to be pulled forwards, the mounting lug 6 drives the first hinged seat 4 and the second hinged seat 5 to swing forwards, the first hinged seat 4 stirs the shifting plate 12 to swing forwards through the shifting rod 15, the torsion spring is compressed, the lower edge of the rear side of the first hinged seat 4 is clamped into the tooth 14 at the higher position on the shifting plate 12, the forward and downward pitching adjustment of the mounting lug 6 and the headrest is completed, the torsion spring provides pressure, and the assembly position of the lower edge of the rear side of the first hinged seat 4 and the tooth 14 is maintained; when the back and upward pitch adjustment is needed, the mounting ears 6 are held by two hands to be pulled forwards until the lower edge of the back side of the first hinged seat 4 is higher than the uppermost tooth 14 of the shifting plate 12, then the mounting ears 6 are pushed backwards, the lower edge of the back side of the first hinged seat 4 returns to the lowermost tooth 14 of the shifting plate 12, then the mounting ears 6 are pulled forwards, the mounting ears 6 and the headrest are pulled to proper positions, and the mounting ears 6 and the headrest are moved backwards and tilted upwards relative to the previous positions;

in the process, the user can adjust the headrest in the vertical direction, the front direction and the back direction and in the pitching direction, the headrest is conveniently and quickly adjusted to a proper position and angle by the user, and the headrest adjusting device has strong practicability.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The headrest lifting and telescopic adjusting mechanism is characterized by comprising an inverted U-shaped inserted link, an installation plate, an installation seat, a first hinge seat, a second hinge seat and two installation lugs; the mounting plate is fixedly arranged on the inverted U-shaped inserted bar, the mounting seat is fixedly arranged on the mounting plate, the lower part of the first hinge seat is hinged at the front part of the inner side of the mounting seat through a first hinge shaft, the inner front parts of the two mounting lugs are hinged with the upper part of the first hinge seat through a second hinge shaft, the lower part of the second hinge seat is hinged at the rear part of the outer side of the mounting seat through a third hinge shaft, the rear parts of the inner sides of the two mounting lugs are hinged with the upper part of the second hinge seat through a fourth hinge shaft, the rear part of the mounting seat is also hinged with a shifting plate, the shifting plate is provided with a shifting groove and teeth matched with the lower edge of the rear side of the first hinged seat, a deflector rod is arranged in the deflector groove in a penetrating way in a matching way, two ends of the deflector rod are respectively and fixedly arranged on the left side and the right side inside the first hinging seat, an elastic element tending to enable the shifting rod to move downwards is further arranged between the first hinge seat and the mounting seat in a matched mode.

2. The headrest lifting and retraction adjusting mechanism as claimed in claim 1, wherein said mounting ears are formed with headrest mounting screw holes.

3. The headrest lifting and telescoping adjustment mechanism of claim 2, wherein the mounting plate is provided with a dovetail groove extending in the left-right direction, and a dovetail slider matched with the dovetail groove is fixedly arranged on the lower surface of the mounting seat.

4. The headrest lifting and retracting adjustment mechanism according to claim 3, wherein the number of the dovetail grooves and the number of the dovetail sliders are two.

5. The headrest lifting and retracting adjustment mechanism according to claim 1, wherein the elastic element is a torsion spring sleeved on the first hinge shaft, and two arms of the torsion spring are respectively overlapped on the shift lever and the lower portion of the front side of the mounting seat.