CN216220855U

CN216220855U - Adjustable seat headrest

Info

Publication number: CN216220855U
Application number: CN202120815766.0U
Authority: CN
Inventors: 肖辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-20
Filing date: 2021-04-20
Publication date: 2022-04-08
Anticipated expiration: 2031-04-20

Abstract

The utility model belongs to the technical field of office furniture, and particularly relates to an adjustable seat headrest which is convenient to mount on an office chair and has the functions of adjusting angles up and down and rotating back and forth; it includes headrest, its characterized in that: the bottom of the headrest is provided with a support rod through a connecting seat, and one side of the support rod is connected with a fixed seat in a sliding manner through a connecting piece; the beneficial effects are that: the mounting groove and the second connecting bolt are used for mounting the headrest on the seat, so that the headrest can be conveniently mounted on the seat without the headrest; the headrest can be rotationally adjusted on the support rod due to the fact that the connecting seat is rotationally connected with the support rod; because the connecting piece is connected with the fixed seat in a sliding way, the supporting rod can slide up and down along the fixed seat, thereby adjusting the height of the headrest.

Description

Adjustable seat headrest

Technical Field

The utility model belongs to the technical field of office furniture, and particularly relates to an adjustable seat headrest.

Background

A plurality of existing office chairs are often not provided with headrests in order to save cost, the waist of the chair is supported when the chair is used, the shoulders and the neck of the chair are not supported, the loss of the cervical vertebra and the shoulders can be caused, office diseases such as scapulohumeral periarthritis can be caused, and the cost can be increased when the chair is directly replaced.

In view of the problems in the prior art, it is desirable to design an adjustable seat headrest for office chairs that is easy to install.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing an adjustable seat headrest, which is convenient to install on an office seat and has the functions of adjusting the angle up and down and rotating the angle back and forth.

In order to achieve the above purpose, the technical solution adopted by the present application is as follows:

the utility model provides an adjustable seat headrest, includes headrest 1, its characterized in that: the bottom of headrest 1 installs bracing piece 3 through connecting seat 2, there is fixing base 5 one side of bracing piece 3 through connecting piece 4 sliding connection.

The connecting seat 2 is provided with a first mounting hole 201 and a second mounting hole 202, the first mounting hole 201 is connected with a first fixing screw 6, and the first fixing screw 6 is matched with the first mounting hole 201 to install the connecting seat 2 on the headrest 1.

The support rod 3 is L-shaped, a rotating shaft 301 is arranged at the short side end of the support rod 3, a third mounting hole 302 is arranged in the middle of the rotating shaft 301, the third mounting hole 302 is matched with the second mounting hole 202 and then connected through a first connecting bolt 7, and the connecting seat 2 and the support rod 3 are rotatably connected through the first connecting bolt 7; a groove 303 is formed in one side face of the long edge of the support rod 3, and a plurality of fourth mounting holes 304 are formed in the groove 303.

A plurality of fifth mounting holes 401 matched with the fourth mounting holes 304 are formed in the connecting piece 4, second fixing bolts 8 are connected between the fourth mounting holes 304 and the fifth mounting holes 401, and the connecting piece 4 is mounted in the grooves 303 of the supporting rods 3 through the second fixing bolts 8; a sixth mounting hole 402 is formed in the middle of the connecting piece 4, a positioning shaft 10 is mounted in the sixth mounting hole 402, and a protrusion 11 is arranged at the top of the positioning shaft 10; two side surfaces of the connecting piece 4 are provided with sliding strips 403.

The protrusion 11 is in a semi-spherical shape.

A sliding groove 501 is formed in one side face of the fixed seat 5, the sliding groove 501 is matched with the sliding strip 403 for sliding connection, a plurality of positioning holes 502 are formed in the sliding groove 501, and the positioning holes 502 are matched with the protrusions 11; the other side of the fixed seat 5 is provided with a mounting groove 503, the upper end and the lower end of the mounting groove 503 are provided with seventh mounting holes 504, the seventh mounting holes 504 are connected with second connecting bolts 9, and the mounting groove 503 and the second connecting bolts 9 are used for mounting the headrest on the seat.

Compared with the prior art, the utility model has the following beneficial effects: the mounting groove 503 and the second connecting bolt 9 are used for mounting the headrest on the seat, so that the headrest can be conveniently mounted on the seat without the headrest; the headrest 1 can be rotationally adjusted on the support rod 3 due to the rotational connection between the connecting seat 2 and the support rod 3; due to the sliding connection between the connecting piece 4 and the fixed seat 5, the support rod 3 can slide up and down along the fixed seat 5, so that the height of the headrest 1 can be adjusted.

Drawings

FIG. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a second schematic structural view of the present invention;

FIG. 3 is a schematic view of a connecting socket according to the present invention;

FIG. 4 is a schematic structural view of a support rod according to the present invention;

FIG. 5 is a first schematic structural view of a connector according to the present invention;

FIG. 6 is a second schematic structural view of a connector according to the present invention;

FIG. 7 is a first schematic structural view of a fixing base according to the present invention;

FIG. 8 is a second schematic structural view of the fixing base of the present invention;

FIG. 9 is a schematic view of the positioning shaft according to the present invention.

Shown in the figure: the headrest comprises a headrest 1, a connecting seat 2, a supporting rod 3, a connecting piece 4, a fixing seat 5, a first fixing screw 6, a first connecting bolt 7, a second fixing bolt 8, a second connecting bolt 9, a positioning shaft 10, a protrusion 11, a first mounting hole 201, a second mounting hole 202, a rotating shaft 301, a third mounting hole 302, a groove 303, a fourth mounting hole 304, a fifth mounting hole 401, a sixth mounting hole 402, a sliding strip 403, a sliding groove 501, a positioning hole 502, a mounting groove 503 and a seventh mounting hole 504.

Detailed Description

The technical scheme of the utility model is further explained by specific embodiments in the following with the accompanying drawings:

The bulge 11 is in the shape of a semi-sphere

The mounting groove 503 and the second connecting bolt 9 are used for mounting the headrest on the seat, so that the headrest can be conveniently mounted on the seat without the headrest; the headrest 1 can be rotationally adjusted on the support rod 3 due to the rotational connection between the connecting seat 2 and the support rod 3; due to the sliding connection between the connecting piece 4 and the fixed seat 5, the support rod 3 can slide up and down along the fixed seat 5, so that the height of the headrest 1 can be adjusted.

In the process that the supporting rod 3 slides up and down along the fixing seat 5, the mutual matching between the protrusions 11 and the positioning holes 502 can play a role in positioning.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An adjustable seat headrest, comprising a headrest (1), characterized in that: the bottom of headrest (1) installs bracing piece (3) through connecting seat (2), there is fixing base (5) one side of bracing piece (3) through connecting piece (4) sliding connection.

2. An adjustable seat headrest according to claim 1 wherein: be equipped with first mounting hole (201) and second mounting hole (202) on connecting seat (2), be connected with first set screw (6) on first mounting hole (201), first set screw (6) cooperate with first mounting hole (201) and install connecting seat (2) on headrest (1).

3. An adjustable seat headrest according to claim 2 wherein: the support rod (3) is L-shaped, a rotating shaft (301) is arranged at the short side end of the support rod (3), a third mounting hole (302) is formed in the middle of the rotating shaft (301), the third mounting hole (302) is matched with the second mounting hole (202) and then connected through a first connecting bolt (7), and the connecting seat (2) and the support rod (3) are rotatably connected through the first connecting bolt (7); a groove (303) is formed in one side face of the long edge of the supporting rod (3), and a plurality of fourth mounting holes (304) are formed in the groove (303).

4. An adjustable seat headrest according to claim 3 wherein: a plurality of fifth mounting holes (401) matched with the fourth mounting holes (304) are formed in the connecting piece (4), second fixing bolts (8) are connected between the fourth mounting holes (304) and the fifth mounting holes (401), and the connecting piece (4) is mounted in the grooves (303) of the supporting rods (3) through the second fixing bolts (8); a sixth mounting hole (402) is formed in the middle of the connecting piece (4), a positioning shaft (10) is mounted in the sixth mounting hole (402), and a protrusion (11) is arranged at the top of the positioning shaft (10); and sliding strips (403) are arranged on two side surfaces of the connecting piece (4).

5. An adjustable seat headrest according to claim 4 wherein: the bulges (11) are in the shape of semi-spheres.

6. An adjustable seat headrest according to claim 4 wherein: a sliding groove (501) is formed in one side face of the fixed seat (5), the sliding groove (501) is matched with the sliding strip (403) to be in sliding connection, a plurality of positioning holes (502) are formed in the sliding groove (501), and the positioning holes (502) are matched with the protrusions (11); another side of fixing base (5) is equipped with mounting groove (503), seventh mounting hole (504) have been seted up at the upper and lower both ends of mounting groove (503), seventh mounting hole (504) in-connection has second connecting bolt (9), mounting groove (503) and second connecting bolt (9) are used for installing the headrest on the seat.