CN211354641U

CN211354641U - Seat with telescopic armrests

Info

Publication number: CN211354641U
Application number: CN201922200113.7U
Authority: CN
Inventors: 胡仓锁; 胡星
Original assignee: Zhejiang Dafeng Industry Co Ltd
Current assignee: Zhejiang Dafeng Industry Co Ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-08-28
Anticipated expiration: 2029-12-10

Abstract

The utility model provides a chair with telescopic armrests, which comprises a chair body, adjustable armrests and a telescopic mechanism; fixed armrests are symmetrically arranged at two ends of the seat body, and the adjustable armrests are slidably arranged in the fixed armrests through the telescopic mechanisms; the telescopic mechanism comprises a sliding block and a sliding seat, the sliding block is fixed on the adjustable armrest, and the sliding seat is fixed on the seat body; the sliding seat is symmetrically provided with guide rails, the sliding block is rotatably provided with a plurality of pulleys, and the pulleys are provided with sliding chutes matched with the guide rails; during adjustment, the sliding block slides on the sliding seat, and the adjustable armrest slides relative to the fixed armrest, so that the overall length of the armrest is changed. The utility model provides a pair of seat with telescopic armrests, which overcomes the defect that the prior seat armrests can not be stretched.

Description

Seat with telescopic armrests

Technical Field

The utility model relates to a seat field especially relates to a handrail telescopic seat.

Background

The seat is a daily article frequently used by people and mainly used for sitting and resting. The conventional seat generally includes a seat frame, a seat plate fixed to the seat frame for seating, and the like. In order to make the sitting more comfortable, the two ends of the seat frame are symmetrically fixed with the seat armrests, when in use, the arms can be put on the armrests, so that the body is easier to relax.

However, the armrests of the existing seat are all fixed, and the armrests with the structure cannot be freely stretched and contracted, so that the use of people with different statures cannot be met, the application range is narrow, and the use is very inflexible. Particularly, in the narrow space areas such as a cinema, the seat with the armrest which can not be adjusted is inconvenient to use; the space is narrow, the row spacing of the seat is limited, and the armrests of the seat cannot be too long, so that the seat is uncomfortable to sit and low in practicability.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to solve the problem of providing a seat with telescopic armrests to overcome the defect that the existing seat armrests can not be stretched.

(II) technical scheme

In order to solve the technical problem, the utility model provides a seat with telescopic armrests, which comprises a seat body, adjustable armrests and a telescopic mechanism; fixed armrests are symmetrically arranged at two ends of the seat body, and the adjustable armrests are slidably arranged in the fixed armrests through the telescopic mechanisms; through the cooperation of fixed handrail, adjustable handrail and telescopic machanism, adjustable handrail can slide by fixed handrail relatively, and then can change the whole length of handrail (the length of fixed handrail and the length sum that adjustable handrail stretches out), and the seat uses more in a flexible way, and application scope is wider. The telescopic mechanism comprises a sliding block and a sliding seat, the sliding block is fixed on the adjustable armrest, and the sliding seat is fixed on the seat body; the sliding seat is symmetrically provided with guide rails, the sliding block is rotatably provided with a plurality of pulleys, and the pulleys are provided with sliding grooves matched with the guide rails. Through the matching of the sliding block, the sliding seat and the pulley, the adjustable handrail can be directly pulled during adjustment, the operation is simple and convenient, and the labor is saved; the guide rail and the sliding groove are matched, so that the adjustable handrail can be guided and limited, the adjustable handrail is prevented from being collided when sliding, the friction force is reduced, and the adjustment is more labor-saving. During adjustment, the sliding block slides on the sliding seat, and the adjustable armrest slides relative to the fixed armrest, so that the overall length of the armrest is changed.

Furthermore, a plurality of pulleys are arranged on the sliding block in a staggered and equidistant mode, and two adjacent pulleys are in rolling contact with the corresponding guide rails respectively. The pulleys are arranged in a staggered and equidistant mode, the guide effect on the adjustable handrail is better, the adjustable handrail is guaranteed not to shake when adjusted, the stability is better, and the labor is saved when adjusted.

Furthermore, a plurality of pulleys are arranged on the sliding block at equal intervals along the linear direction, and two ends of each pulley are in rolling contact with the guide rail. The pulley adopts the equidistant setting of straight line, and the structure is simpler, can subtract the structure of pulley, practices thrift manufacturing cost.

Furthermore, a reinforcing plate is fixed between the sliding block and the adjustable handrail, the reinforcing plate is arranged to increase the connection strength of the sliding block and the adjustable handrail, and the structure is more stable. The end part of the adjustable armrest is provided with a cup holder, and the bottom of the cup holder is provided with a through hole; the cup holder is arranged, the functionality of the seat is improved, and the through hole is arranged to discharge liquid mistakenly entering the cup holder. The end part of the fixed armrest is provided with a cover plate matched with the cup holder; when the adjustable armrest is completely retracted into the fixed armrest, the cover plate covers the cup holder. The cover plate is matched with the cup holder, so that the structure is more uniform, and the appearance is more attractive; but also can protect the cup holder and prevent the cup holder from being damaged.

Further, the seat body comprises a seat frame and a seat board, the seat frame is fixed on the wall, the seat board is rotatably installed on the seat frame, and baffles are arranged at two ends of the seat frame. In this way, the seat board can be folded, and the use is more convenient.

(III) advantageous effects

The utility model provides a seat with telescopic armrests, which is provided with a telescopic mechanism, so that the adjustable armrests can slide relative to the fixed armrests, and further the overall length of the armrests can be adjusted, thus the seat is more flexible to use and has wider application range; through the matching of the sliding block, the sliding seat and the pulley, the adjustable handrail can be directly pulled during adjustment, the operation is simple and convenient, and the labor is saved; the guide rail is matched with the sliding groove, so that the adjustable handrail can be guided and limited, collision during sliding is avoided, friction is reduced, labor is saved during adjustment, and the service life is longer; the defect that the existing seat armrest cannot stretch out and draw back is overcome.

Drawings

Fig. 1 is a perspective view of a chair with retractable armrests of the present invention;

fig. 2 is an exploded view of a seat extension mechanism with retractable armrests of the present invention;

fig. 3 is a perspective view of an adjustable armrest of the seat with retractable armrests of the present invention;

fig. 4 is a schematic structural view of a first embodiment of a seat with retractable armrests according to the present invention;

fig. 5 is a schematic view of an embodiment of a chair with retractable armrests according to another angle;

FIG. 6 is a schematic view of a pulley of an embodiment of a retractable armrest chair of the present invention;

FIG. 7 is a perspective view of a pulley of an embodiment of a retractable armrest chair of the present invention;

FIG. 8 is a schematic view of a second pulley of an embodiment of a retractable armrest chair of the present invention;

the corresponding part names for the various reference numbers in the figures are: 1. a seat body; 2. an adjustable armrest; 3. fixing the handrail; 4. a slider; 5. a slide base; 6. a pulley; 7. a reinforcing plate; 101. a chair frame; 102. a seat plate; 103. a baffle plate; 201. a cup holder; 202. a through hole; 301. a cover plate; 501. a guide rail; 601. a chute.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

The first embodiment is as follows:

referring to fig. 1 to 7, the present embodiment provides a seat with retractable armrests, which includes a seat body 1, an adjustable armrest 2 and a retractable mechanism; the seat body 1 comprises a seat frame 101 and a seat plate 102, the seat frame 101 is fixed on a wall or a ladder, the seat plate 102 is rotatably installed on the seat frame 101, a backrest is arranged on the seat frame 101, cushions are respectively paved on the backrest and the seat plate 102, and baffles 103 are arranged at two ends of the seat frame 101. In this way, the seat plate 102 can be folded for more convenient use.

Fixed armrests 3 are symmetrically arranged at two ends of the seat body 1, the fixed armrests 3 are fixed on the seat frame 101, cavities are formed in the fixed armrests 3, and the adjustable armrests 2 are slidably mounted in the cavities of the fixed armrests 3 through telescopic mechanisms. Telescopic machanism includes slider 4 and slide 5, and slider 4 is fixed on reinforcing plate 7, and reinforcing plate 7 is fixed on adjustable handrail 2, and slide 5 is fixed on seat body 1, is provided with the spacing groove on the

slide

5, and 4 slidable mounting of slider are at the spacing inslot. Set up reinforcing plate 7, can increase adjustable handrail 2 and slider 4's joint strength, the structure is more firm. Guide rails 501 are symmetrically arranged in the limiting groove, a plurality of pulleys 6 are rotatably arranged on the sliding block 4, and sliding grooves 601 matched with the guide rails 501 are formed in the pulleys 6. The plurality of pulleys 6 are arranged on the slider 4 in a staggered and equidistant manner, and two adjacent pulleys 6 are in rolling contact with the corresponding guide rails 501, respectively.

The end of the adjustable armrest 2 is provided with a cup holder 201, adding functionality to the seat. The cup holder 201 is cup-shaped, a containing cavity for containing a tea cup is formed in the cup holder, a through hole 202 is formed in the bottom of the containing cavity, and liquid in the containing cavity is conveniently discharged. The end part of the fixed armrest 3 is provided with a cover plate 301 matched with the cup holder 201; when the adjustable armrest 2 is fully retracted into the fixed armrest 3, the cover plate 301 covers the cup holder 201. The cover plate 301 is provided to make the appearance more beautiful and protect the cup holder 201.

The seat is mainly used in places such as movie theaters, staircases and the like; when the chair is adjusted, the sliding block 4 slides in the sliding seat 5 to drive the adjustable armrests 2 to slide in the fixed armrests 3, so that the overall length of the armrests is changed. The sliding block 4 can be driven to slide by arranging a driving mechanism and a driving motor or directly pulling the adjustable handrail 2, and the sliding block can be selected according to the actual use condition. In the embodiment, the adjustable armrests 2 are directly pulled or pushed, so that the overall length of the seat armrests is changed, the operation is simpler, and the use is more convenient. When the row spacing of the seat is fixed, the adjustable armrests 2 can be firstly contracted into the fixed armrests 3, and after all people sit down, the armrests are adjusted to proper positions by individuals, so that the use is more flexible, and the operation is more convenient.

The utility model provides a seat with telescopic armrests, which is provided with a telescopic mechanism, so that the adjustable armrests can slide relative to the fixed armrests, and further the overall length of the armrests can be adjusted, thus the seat is more flexible to use and has wider application range; through the matching of the sliding block, the sliding seat and the pulley, the adjustable handrail can be directly pulled during adjustment, the operation is simple and convenient, and the labor is saved; the guide rail is matched with the sliding groove, so that the adjustable handrail can be guided and limited, collision during sliding is avoided, friction is reduced, labor is saved during adjustment, and the service life is longer; and the pulleys are arranged at staggered equal intervals, so that the guide effect on the adjustable handrail is better, the adjustable handrail is guaranteed not to shake when adjusted, the stability is better, and the labor is saved when adjusted.

Example two:

the difference between this embodiment and the first embodiment is: referring to fig. 8, a plurality of pulleys 6 are disposed on the slider 4 at equal intervals in a linear direction, and both ends of each pulley 6 are in rolling contact with the guide rail 501.

According to the seat with the telescopic armrests, the pulleys are arranged at equal intervals in a straight line, the structure is simpler, the structure of the pulleys can be precisely reduced, and the manufacturing cost is saved.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A seat with telescopic armrests is characterized in that: comprises a chair body (1), an adjustable armrest (2) and a telescopic mechanism; fixed armrests (3) are symmetrically arranged at two ends of the seat body (1), and the adjustable armrests (2) are slidably mounted in the fixed armrests (3) through the telescopic mechanisms; the telescopic mechanism comprises a sliding block (4) and a sliding seat (5), the sliding block (4) is fixed on the adjustable armrest (2), and the sliding seat (5) is fixed on the seat body (1); guide rails (501) are symmetrically arranged on the sliding seat (5), a plurality of pulleys (6) are rotatably arranged on the sliding block (4), and sliding grooves (601) matched with the guide rails (501) are arranged on the pulleys (6); during adjustment, the sliding block (4) slides on the sliding seat (5), and the adjustable armrest (2) slides relative to the fixed armrest (3), so that the overall length of the armrest is changed.

2. The chair with retractable armrests as claimed in claim 1, wherein: the pulleys (6) are arranged on the sliding block (4) in a staggered and equidistant mode, and two adjacent pulleys (6) are in rolling contact with the corresponding guide rails (501) respectively.

3. The chair with retractable armrests as claimed in claim 1, wherein: a plurality of pulleys (6) are arranged on the sliding block (4) at equal intervals along the linear direction, and two ends of each pulley (6) are in rolling contact with the guide rail (501).

4. The chair with retractable armrests as claimed in claim 1, wherein: and a reinforcing plate (7) is fixed between the sliding block (4) and the adjustable handrail (2).

5. The chair with retractable armrests as claimed in claim 1, wherein: the end of the adjustable armrest (2) is provided with a cup holder (201), and the bottom of the cup holder (201) is provided with a through hole (202).

6. The chair with retractable armrests as claimed in claim 5, wherein: a cover plate (301) matched with the cup holder (201) is arranged at the end part of the fixed armrest (3); when the adjustable armrest (2) is completely retracted into the fixed armrest (3), the cover plate (301) covers the cup holder (201).

7. The chair with retractable armrests as claimed in claim 1, wherein: the seat body (1) comprises a seat frame (101) and a seat board (102), wherein the seat frame (101) is fixed on a wall, and the seat board (102) is rotatably arranged on the seat frame (101).

8. The chair with retractable armrests as claimed in claim 7, wherein: two ends of the chair frame (101) are provided with baffles (103).