CN214179808U

CN214179808U - Chair armrest structure

Info

Publication number: CN214179808U
Application number: CN202021174149.9U
Authority: CN
Inventors: 胡舟
Original assignee: Anji Delai Chair Co ltd
Current assignee: Anji Delai Chair Co ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-09-14
Anticipated expiration: 2030-06-23

Abstract

The utility model belongs to the technical field of office chair's handrail structure, concretely relates to chair handrail structure. The handrail comprises a handrail main body and a handrail connecting body, wherein the handrail main body is connected with the handrail connecting body in a clamping and matching way; the armrest connecting body comprises a seat connecting part, an armrest main body connecting part arranged opposite to the seat connecting part, and supporting parts positioned on two sides of the seat connecting part and the armrest main body connecting part; the seat connecting part, the armrest main body connecting part and the supporting part are connected to form a closed annular self-stabilizing structure; the connecting part of the main body of the bottom handrail is provided with a clamping bulge; the handrail main part bottom is opened and is used for the installation the bellied storage tank of joint, be equipped with in the storage tank with the protruding joint complex joint mounting of joint.

Description

Chair armrest structure

Technical Field

The utility model relates to an official working chair's handrail technical field, concretely relates to chair handrail structure.

Background

The chair is an indispensable tool in life, and is important for a comfortable office chair for personnel who need to sit on the chair for a long time to work, and one of the main considerations of the comfort of the chair is to have an adjustable chair back and a comfortable and safe armrest. In the prior art, the structure of the common adjustable chair armrest is complex, the stability is poor, and when the armrest slides, the connecting piece is easy to wear due to the large force, so that the service life of the armrest is short.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a chair armrest structure with simple structure, easy operation, high stability, high safety and high durability.

A chair armrest structure comprises an armrest main body and an armrest connecting body, wherein the armrest main body is connected with the armrest connecting body in a clamping and matching manner;

the armrest connecting body comprises a seat connecting part, an armrest main body connecting part arranged opposite to the seat connecting part, and a first supporting part and a second supporting part which are connected with the seat connecting part and the armrest main body connecting part; the seat connecting part, the armrest main body connecting part, the first supporting part and the second supporting part are integrally connected to form a closed annular self-stabilizing structure; the connecting part of the handrail main body is provided with a clamping bulge;

the handrail main part bottom is opened and is used for the installation the bellied storage tank of joint, be equipped with in the storage tank with the protruding joint complex joint mounting of joint.

Furthermore, the clamping protrusion comprises a mounting plate, a special-shaped auxiliary plate and a clamping protrusion, wherein the mounting plate is fixed on a straight line on which an extension line of the connecting part of the handrail main body is located, the top of the mounting plate is triangular, the special-shaped auxiliary plate is fixedly connected with the connecting part of the handrail main body and is vertically and fixedly connected with the mounting plate, and the clamping protrusion is arranged at the top tip of the mounting plate; one end of the special-shaped auxiliary plate is fixedly connected with the clamping protrusion, and the other end of the special-shaped auxiliary plate is integrally connected with the connecting part of the handrail main body.

Furthermore, the clamping fixing piece comprises two clamping fixing plates which are oppositely arranged and are respectively positioned on the groove wall of the accommodating groove; the clamping fixing plate is provided with a clamping groove clamped with the clamping protrusion; the upper part of the clamping groove is provided with equispaced chaste teeth with downward openings; the lower part of the clamping groove is provided with a limiting part for limiting the clamping protrusion; and a sliding groove for clamping convex sliding adjustment is formed between the limiting piece and the end part of the chaste tooth.

Furthermore, the accommodating groove is also provided with spacing plates positioned at two ends of the clamping groove.

Furthermore, the upper surface of the handrail main body is provided with a plug hole; one end of the armrest main body, which is close to the chair back, is provided with a through hole used for being connected with the chair back.

Furthermore, the chair armrest structure also comprises an armrest cover inserted on the upper surface of the armrest main body; the lower surface of the armrest cover is provided with a plug connector corresponding to the plug hole.

Furthermore, the seat connecting part is provided with a mounting hole for fixing the handrail connecting body.

Furthermore, a reserved mounting hole is formed in the position, close to the chair back, of the first supporting portion.

Furthermore, one side of the armrest connecting body, which is close to the chair, is a cavity; and reinforcing ribs are arranged at the joints of the cavity and the mounting holes and the reserved mounting holes.

To sum up, the utility model discloses following beneficial effect has:

1. the utility model discloses a closed annular handrail connector is fixed with the seat support, and is more smooth and easy when the handrail slides when guaranteeing to slide, and perhaps during handrail main part and handrail connector joint, the power that handrail main part connecting portion received is consumed earlier by closed annular handrail connector and is transmitted the seat support again on, the handrail connector is equipped with two stress points with the seat support, has enlarged the lifting surface area, has increased the life-span extension of handrail connector when the stability of handrail connector.

2. The utility model discloses protruding with the joint on the storage tank in the handrail main part combines the basis, the utility model discloses a mounting panel, dysmorphism accessory plate and locate mounting panel top most advanced position the card protruding with the sliding tray of joint groove's upper portion is equipped with the equidistant thorn tooth of opening decurrent and lower part cooperatees for handrail main part and handrail connector can divide the gear to adjust, make handrail main part and handrail main part connecting portion be difficult for taking place to break away from simultaneously, and is safer when using.

3. The utility model has the advantages that one side of the handrail connecting body close to the chair is a cavity; the reinforcing ribs are arranged at the joint of the mounting holes and the reserved mounting holes in the cavity, so that the material used by the handrail connector is reduced, the handrail connector is more environment-friendly, and the use strength of the handrail connector can not be reduced.

Drawings

FIG. 1 is a schematic view of an armrest of a chair;

FIG. 2 is a schematic view of a connecting member of the armrest body;

FIG. 3 is a schematic view of the main structure of the armrest;

fig. 4 is a rear view of the armrest structure of fig. 1.

The reference numerals are explained below:

1. a handrail body; 2. an armrest connector; 3. a handrail cover; 11. clamping a fixing plate; 11-1, a clamping groove; 12. a through hole; 11-1a, chaste teeth; 11-1b, a limiting piece; 11-2, a partition plate; 11-3, inserting holes; 21. a seat connecting portion; 22. a handrail main body connecting portion; 23. a support portion; 21-1, mounting holes; 22-1, clamping protrusions; 22-1a, a mounting plate; 22-1b, a special-shaped auxiliary plate; 22-1c, snap; 24. and (5) reinforcing ribs.

Detailed Description

The following is a detailed embodiment of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to the embodiment.

Examples

Referring to fig. 1-4, an armrest structure of a chair comprises an armrest body 1 and an armrest connector 2, wherein the armrest body 1 is connected with the armrest connector 2 in a clamping fit manner. The upper surface of the handrail main body is inserted with a handrail cover.

As shown in fig. 1 and 2, the armrest link body 2 includes a seat link portion 21, an armrest body link portion 22 disposed opposite to the seat link portion 21, and a first support portion 23 and a second support portion 24 connecting the seat link portion 21 and the armrest body link portion 22. The seat connecting portion 21, the armrest body connecting portion 22, and the support portion 23 are integrally connected to form a closed loop-shaped self-stabilizing structure. As shown in fig. 1 and 4, the armrest connecting unit 2 is fixed to the seat through two mounting holes 21-1 formed in the seat connecting unit 21.

As shown in fig. 2, the connecting portion 22 of the armrest body is provided with a locking protrusion 22-1. The clamping protrusion 22-1 comprises a mounting plate 22-1a, a special-shaped auxiliary plate 22-1b and a clamping protrusion 22-1c, wherein the mounting plate 22-1a is fixed on a straight line on which an extension line of the handrail main body connecting part 22 is located, the special-shaped auxiliary plate 22-1b is fixedly connected with the handrail main body connecting part 22 and vertically and fixedly connected with the mounting plate 22-1a, and the clamping protrusion 22-1c is arranged at the top tip end of the mounting plate 22-1 a. One end of the special-shaped auxiliary plate 22-1b is fixedly connected with the clamping protrusion 22-1c, and the other end is integrally connected with the handrail main body connecting part 22.

As shown in fig. 1 and 3, a containing groove for installing the clamping protrusion 22-1 is formed at the bottom of the armrest body 1, and a clamping fixing piece in clamping fit with the clamping protrusion 22-1 is arranged in the containing groove.

As shown in fig. 3, the clamping fixing member includes two clamping fixing plates 11 disposed opposite to each other and respectively located on the groove walls of the accommodating groove. The clamping fixing plate 11 is provided with a clamping groove 11-1 clamped with the clamping protrusion 22-1 c. The upper part of the clamping groove 11-1 is provided with three chaste teeth 11-1a with downward openings and equal intervals. The lower part of the clamping groove 11-1 is provided with a limiting part 11-1b for limiting the clamping protrusion 22-1 c. A sliding groove for sliding adjustment on the clamping protrusion 22-1c is formed between the limiting piece 11-1b and the end part of the chaste tooth 11-1 a. The accommodating groove is also provided with two partition plates 11-2 positioned at two ends of the clamping groove 11-1. The partition plate 11-2 not only can limit the movement of the clamping protrusion 22-1 beyond the sliding groove, but also can change the internal structure of the handrail main body 1 to strengthen the strength of the handrail main body 1.

Referring to fig. 1, 3 and 4, the upper surface of the armrest body 1 is provided with a plug-in hole 11-3 for installing the armrest cover. One end of the armrest main body 1, which is close to the chair back, is provided with a through hole 12 used for being connected with the chair back.

Referring to fig. 1, 2 and 4, a reserved mounting hole 23-1 is formed in the support portion 23 at the position closest to the chair back. When the comfort of the chair meets the requirement of a user, the chair can be installed on the chair back by the installation bolt passing through the installation hole 23-1, so that the armrest connecting body 2 is fixed with the chair back. More choices can be provided for users and the dragging force of the handrail main body 1 and the handrail connecting body 2 can be shared.

As shown in fig. 4, the side of the armrest connector 2 near the chair is a cavity. And reinforcing ribs 24 are arranged at the joints of the cavities and the mounting holes 21-1 and the reserved mounting holes 23-1.

In the scheme, the chair armrest structure is fixedly arranged on the seat by penetrating screws through the mounting holes 23-1, and the armrest main body 1 is connected with the armrest connecting body 2 in a clamping and matching manner through the clamping and fixing plate 11 and the clamping bulges 22-11c on the clamping and connecting bulges 22-1; the latch protrusion 22-1c can freely move in the latch groove of the latch fixing plate 11. The armrest body 1 is hingedly connected to the seat back by bolts passing through the mounting holes 22-1.

When the chair is adjusted, the armrest body 1 is lifted up only to enable the clamping protrusions 22-1c to be separated from the chaste teeth 11-1a and enter the sliding grooves, the armrest can be adjusted back and forth, when the armrest body is adjusted to a comfortable position, the armrest body is lowered down to enable the clamping protrusions 22-1c to be clamped with the chaste teeth 11-1a, and therefore the adjustment of the armrest of the chair is completed.

The present invention is not limited to the above preferred embodiments, and various other forms of products can be obtained by anyone in light of the present invention. However, any changes in shape or structure are within the scope of protection for the same or similar technical solutions as the present invention.

Claims

1. The utility model provides a chair armrest structure, includes handrail main part (1) and handrail connector (2), its characterized in that: the handrail main body (1) is connected with the handrail connecting body (2) in a clamping and matching manner;

the armrest connecting body (2) comprises a seat connecting part (21), an armrest main body connecting part (22) arranged opposite to the seat connecting part (21), and a first supporting part (23) and a second supporting part (24) which are connected with the seat connecting part (21) and the armrest main body connecting part (22); the seat connecting part (21), the armrest main body connecting part (22), the first supporting part (23) and the second supporting part (24) are integrally connected to form a closed annular self-stabilizing structure; a clamping bulge (22-1) is arranged on the handrail main body connecting part (22);

the bottom of the handrail main body (1) is provided with a containing groove used for installing the clamping protrusion (22-1), and a clamping fixing piece matched with the clamping protrusion (22-1) in a clamping manner is arranged in the containing groove.

2. The armrest structure for chairs according to claim 1, wherein: the clamping bulge (22-1) comprises a mounting plate (22-1 a) with a triangular top part, a special-shaped auxiliary plate (22-1 b) and a clamping bulge (22-1 c), wherein the mounting plate (22-1 a) is fixed on a straight line on which an extension line of the handrail main body connecting part (22) is located, the special-shaped auxiliary plate is fixedly connected with the handrail main body connecting part (22) and is vertically and fixedly connected with the mounting plate (22-1 a), and the clamping bulge (22-1 c) is arranged at the top tip end of the mounting plate (22-1 a); one end of the special-shaped auxiliary plate (22-1 b) is fixedly connected with the clamping protrusion (22-1 c), and the other end of the special-shaped auxiliary plate is integrally connected with the handrail main body connecting part (22).

3. The armrest structure for chairs according to claim 1, wherein: the clamping fixing piece comprises two clamping fixing plates (11) which are oppositely arranged and are respectively positioned on the groove wall of the accommodating groove; a clamping groove (11-1) clamped with the clamping protrusion (22-1 c) is formed in the clamping fixing plate (11); the upper part of the clamping groove (11-1) is provided with chaste teeth (11-1 a) with downward openings and equal intervals; the lower part of the clamping groove (11-1) is provided with a limiting piece (11-1 b) for limiting the clamping protrusion (22-1 c); a sliding groove for sliding adjustment of the clamping protrusion (22-1 c) is formed between the limiting piece (11-1 b) and the end part of the chaste tooth (11-1 a).

4. A chair armrest structure according to claim 3, wherein: the accommodating groove is also provided with partition plates (11-2) positioned at two ends of the clamping groove (11-1).

5. The armrest structure for chairs according to claim 1, wherein: the upper surface of the handrail main body (1) is provided with a plug-in hole (11-3); one end of the armrest main body (1) close to the chair back is provided with a through hole (12) used for being connected with the chair back.

6. The armrest structure for chairs according to claim 5, wherein: the chair armrest structure also comprises an armrest cover (3) inserted on the upper surface of the armrest main body; the lower surface of the armrest cover (3) is provided with a plug connector corresponding to the plug hole (11-3).

7. The armrest structure for chairs according to claim 1, wherein: the seat connecting part (21) is provided with a mounting hole (21-1) for fixing the handrail connecting body (2).

8. The armrest structure for chairs according to claim 7, wherein: the first supporting part (23) is provided with a reserved mounting hole (23-1) at the position close to the chair back.

9. The armrest structure for chairs according to claim 8, wherein: one side of the armrest connecting body (2) close to the chair is a cavity; and reinforcing ribs (25) are arranged at the joint of the mounting hole (21-1) and the reserved mounting hole (23-1) in the cavity.