CN210169472U - Chair armrest - Google Patents

Abstract

The utility model belongs to the technical field of furniture, in particular to a chair armrest, which comprises an armrest seat, a lifting slider, an adjusting piece and an armrest; the lifting slider is clamped on the armrest seat through the adjusting piece, and the armrest is connected with the lifting slider; a plurality of positioning through holes are formed in the armrest seat, a through sliding groove is formed between every two adjacent positioning through holes, and the sliding grooves are communicated with the positioning through holes to form sliding ways; the adjusting piece comprises a positioning column; the positioning column is movably arranged in the slide way, the outer side surface of the positioning column is downwards sunken to enable the positioning column to form a clamping part and a sliding part with the height lower than that of the clamping part, and the clamping part corresponds to the positioning through hole; through promoting the reference column makes its horizontal slip, joint portion with positioning hole joint or separation, the joint mode is stable, the simple operation.

Description

Chair armrest

Technical Field

The utility model belongs to the technical field of furniture, especially, relate to a chair handrail.

Background

The armrests of the chair are usually fixed on the chair by a support, the armrests mainly provide the arms for people to be comfortable, the positions of the traditional armrests on the chair cannot be adjusted, and the traditional armrests are fixed at a fixed position, and the armrests with the fixed height cannot be adapted to every person due to different heights of people.

In the prior art, an improved chair armrest is provided, which comprises an armrest body and a supporting seat, wherein the lower end of the supporting seat is fixed on a chair, the upper end of the supporting seat fixed on the armrest body is composed of a connecting base and a lifting sleeve, the armrest body is fixed on the top of the lifting sleeve, the lower end of the connecting base is fixed on the chair, the lifting sleeve is sleeved on the connecting base and can freely move up and down, the lifting sleeve and the connecting base are provided with matched clamping holes, and clamping blocks are arranged at the clamping holes; the height of the handrail is adjusted by the displacement of the lifting sleeve and the connecting base, and the height of the handrail is fixed by clamping the clamping block in the clamping hole of the lifting sleeve and the connecting base; but through fixture block and the fixed connected mode structure of card hole cooperation unstable, the operation is not convenient, and when height-adjusting, fixture block and buckle are difficult for separating.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a chair handrail aims at solving the unstable technical problem that leads to the operation not convenient of chair handrail joint structure when height-adjusting among the prior art.

In order to achieve the above object, an embodiment of the present invention provides an armrest for a chair, including an armrest seat, a lifting slider, an adjusting member, and an armrest; the lifting slider is clamped on the armrest seat through the adjusting piece, and the armrest is connected with the lifting slider; a plurality of positioning through holes are formed in the armrest seat, a through sliding groove is formed between every two adjacent positioning through holes, and the sliding grooves are communicated with the positioning through holes to form sliding ways; the adjusting piece comprises a positioning column; the reference column activity is located in the slide, the lateral surface undercut of reference column makes the reference column forms joint portion and highly is less than the sliding part of joint portion, joint portion with positioning hole is corresponding.

Optionally, the chute is vertically disposed.

Optionally, one end of the positioning column is connected with a first push block.

Optionally, a first clamping groove is formed in the side surface of the armrest seat, and the slide way is arranged in the first clamping groove; a clamping block is slidably arranged in the first clamping groove, the clamping block penetrates through the lifting slider and is connected with the lifting slider, a guide through hole is formed in the clamping block, and the first push block is movably arranged in the guide through hole.

Optionally, a convex edge is arranged on the inner side wall of the guide through hole, and an elastic part is arranged between the convex edge and the first push block.

Optionally, a second clamping groove corresponding to the first clamping groove is further formed in the other pair of side faces of the armrest seat, an annular sliding block is arranged in the second clamping groove in a sliding mode, the annular sliding block is connected with the lifting slider, and a second pushing block is arranged in the annular sliding block in a sliding mode.

Optionally, a limit baffle is arranged on the inner side wall of the annular sliding block, and a boss corresponding to the limit baffle is arranged at the other end of the positioning column.

Optionally, a limiting buckle for preventing the second push block from sliding out of the annular sliding block is arranged on the second push block.

Optionally, the lifting slider is sleeved on the armrest seat, and an inner side surface of the lifting slider is abutted against an outer side surface of the armrest seat.

Optionally, the armrest is hinged to the lifting slider.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the chair handrail have one of following technological effect at least: the clamping part is arranged in the slide way, the clamping part is clamped in the positioning through hole, and the lifting slider is positioned at a required position to enable the handrail to reach a required height; when the height of the armrest is adjusted, the positioning column is pushed until the clamping portion is separated from the positioning through hole, the sliding portion is arranged in the slide way, the lifting slide piece is in a movable state at the moment, the height of the lifting slide piece is adjusted, the sliding portion slides in the slide way along with the movement of the lifting slide piece, when the lifting slide piece reaches a required position, the positioning column is pushed, and the clamping portion is clamped into the corresponding positioning through hole to position the lifting slide piece, so that the armrest reaches the required height; through promoting the reference column, the reference column horizontal slip makes joint portion with positioning hole joint or separation, the joint mode is stable, the simple operation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is an exploded schematic view of a chair armrest according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of an armrest of a chair according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of the positioning column in the embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10-armrest seat 11-positioning through hole 12-chute

13-slideway 14-first slot 15-block

16-guide through hole 17-convex edge 18-elastic element

19-second pocket 20-lifting slider 30-adjusting part

31-positioning column 32-clamping part 33-sliding part

34-first push block 35-boss 40-handrail

190-annular slide block 191-second push block 192-limit baffle

193-spacing buckle

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In one embodiment of the present invention, as shown in fig. 1 to 3, there is provided a chair armrest comprising an armrest seat 10, a lifting slider 20, an adjuster 30, and an armrest 40; the lifting slider 20 is clamped on the armrest seat 10 through the adjusting piece 30, and the armrest 40 is connected with the lifting slider 20; a plurality of positioning through holes 11 are formed in the armrest seat 10, a through sliding chute 12 is formed between every two adjacent positioning through holes 11, and the sliding chute 12 is communicated with the positioning through holes 11 to form a sliding way 13; the adjusting piece 30 comprises a positioning column 31; the activity of reference column 31 is located in slide 13, the lateral surface undercut of reference column 31 makes reference column 31 forms joint portion 32 and highly is less than the sliding part 33 of joint portion 32, joint portion 32 with positioning hole 11 is corresponding.

In the chair armrest of the present invention, the engaging portion 32 is disposed in the slide channel 13, the engaging portion 32 is engaged with the positioning through hole 11, and the lifting slider 20 is positioned at a desired position, so that the armrest 40 reaches a desired height; when the height of the armrest 40 is adjusted, the positioning column 31 is pushed until the clamping portion 32 is separated from the positioning through hole 11, the sliding portion 33 is placed in the slide channel 13, at this time, the lifting slide piece 20 is in a movable state, the height of the lifting slide piece 20 is adjusted, the sliding portion 33 slides in the slide channel 13 along with the movement of the lifting slide piece 20, when the lifting slide piece 20 reaches a required position, the positioning column 31 is pushed, and the clamping portion 32 is clamped into the corresponding positioning through hole 11 to position the lifting slide piece 20, so that the armrest 40 reaches the required height; through promoting reference column 31, reference column 31 horizontal slip makes joint portion 32 with positioning hole 11 joint or separation, the joint mode is stable, the simple operation.

In another embodiment of the present invention, the slide 13 of the armrest of the chair is vertically disposed, and the moving distance of the lifting slider 20 is shortest when the armrest 40 is moved to a desired height.

In another embodiment of the present invention, one end of the positioning column 31 of the armrest of the chair is connected with a first push block 34; add first ejector pad 34, through first ejector pad 34 drives reference column 31 slides, first ejector pad 34 is oval, and the area of its top surface is greater than reference column 31's terminal surface makes the operator promote through the mode that enlarges reference column 31 is more convenient.

In another embodiment of the present invention, a first slot 14 is provided on a side surface of the armrest seat 10 of the chair armrest, and the slide 13 is provided in the first slot 14; a clamping block 15 is slidably arranged in the first clamping groove 14, the clamping block 15 penetrates through the lifting slider 20 and is connected with the lifting slider 20, a guide through hole 16 is formed in the clamping block 15, and the first push block 34 is movably arranged in the guide through hole 16; the fixture block 15 positions the first push block 34 to play a guiding role; the latch 15 is slidably disposed in the first latch slot 14, so that the lifter slider 20 slides more smoothly.

In another embodiment of the utility model, this chair handrail be equipped with protruding edge 17 on the inside wall of guiding hole 16, protruding edge 17 with be equipped with elastic component 18 between the first ejector pad 24, in this embodiment the spring is chooseed for use to elastic component 18, elastic component 18 is right first ejector pad 24 resets, presses first ejector pad 24, the extrusion elastic component 18 drives reference column 31 moves, has adjusted the lift saddle 20 loosens first ejector pad 24, elastic component 18 makes first ejector pad 24 toward keeping away from the 18 direction of elastic component motion drives reference column 31 moves and makes joint portion 32 with positioning hole 11 joint, the simple operation.

In another embodiment of the present invention, a second engaging groove 19 corresponding to the first engaging groove 14 is further disposed on another pair of side surfaces of the armrest seat 10 of the chair armrest, an annular sliding block 190 is slidably disposed on the second engaging groove 19, the annular sliding block 190 passes through the lifting slider 20 and is connected to the lifting slider 20, and a second pushing block 191 is slidably disposed in the annular sliding block 190; the sliding block 190 is additionally arranged, the sliding block 190 is slidably arranged in the second clamping groove 19, and the first clamping groove 14 and the second clamping groove 19 cooperate to enable the lifting slider 20 to move more stably; the second push block 191 prevents the positioning column 31 from being damaged when sliding left and right, and the safety performance is high.

In another embodiment of the present invention, a position-limiting baffle 192 is disposed on the inner sidewall of the annular slider 190 of the chair armrest, and a boss 35 corresponding to the position-limiting baffle 192 is disposed at the other end of the positioning column 31; when the elastic part 18 enables the first pushing block 34 to move in the direction away from the elastic part 18, until the boss 35 contacts the limit baffle 192, the first pushing block 34 stops moving, and the first pushing block 34 moves within a set range, so that the structure is stable and the reliability is high.

In another embodiment of the present invention, the second push block 191 of the armrest is provided with a limit buckle 193 for preventing the second push block 191 from sliding out of the annular slider 190; in this embodiment, the limit catch 193 is formed by extending the edge of the second push block 191 upwards, the top surface of the limit catch 193 is higher than the outer side surface of the annular slider 190, and when the second slider 191 moves relative to the annular slider 190, when the limit catch 193 contacts the annular slider 190, the second push block 191 stops moving relative to the annular slider 190, so as to prevent the second push block 191 from separating from the annular slider 190 due to the continuous movement of the second push block 191.

In another embodiment of the present invention, the lifting slider 20 of the chair armrest is sleeved on the armrest seat 10, and the inner side surface of the lifting slider 20 abuts against the outer side surface of the armrest seat 10, so as to reduce the shaking of the lifting slider 20 during the movement.

In another embodiment of the present invention, the armrest 40 of the chair armrest is hinged to the lifting slider 20, and the armrest 40 is adjusted to a proper posture by rotating the included angle between the armrest 40 and the lifting slider 20, thereby improving the comfort of the chair armrest.

The rest of this embodiment is the same as the first embodiment, and the unexplained features in this embodiment are explained by the first embodiment, which is not described herein again.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A chair armrest comprises an armrest seat, a lifting slider, an adjusting piece and an armrest; the lift saddle passes through regulating part joint in on the handrail seat, the handrail with the lift saddle is connected its characterized in that: a plurality of positioning through holes are formed in the armrest seat, a through sliding groove is formed between every two adjacent positioning through holes, and the sliding grooves are communicated with the positioning through holes to form sliding ways; the adjusting piece comprises a positioning column; the reference column activity is located in the slide, the lateral surface undercut of reference column makes the reference column forms joint portion and highly is less than the sliding part of joint portion, joint portion with positioning hole is corresponding.

2. The chair armrest of claim 1, wherein: the slide is vertically arranged.

3. The chair armrest of claim 1, wherein: one end of the positioning column is connected with a first push block.

4. The chair armrest of claim 3, wherein: a first clamping groove is formed in the side face of the armrest seat, and the slide way is arranged in the first clamping groove; a clamping block is slidably arranged in the first clamping groove, the clamping block penetrates through the lifting slider and is connected with the lifting slider, a guide through hole is formed in the clamping block, and the first push block is movably arranged in the guide through hole.

5. The chair armrest of claim 4, wherein: and a convex edge is arranged on the inner side wall of the guide through hole, and an elastic piece is arranged between the convex edge and the first push block.

6. The chair armrest of claim 4, wherein: and the other pair of side surfaces of the armrest seat is also provided with a second clamping groove corresponding to the first clamping groove in position, the second clamping groove is provided with an annular sliding block in a sliding manner, the annular sliding block is connected with the lifting slider, and a second push block is arranged in the annular sliding block in a sliding manner.

7. The chair armrest of claim 6, wherein: and a limiting baffle is arranged on the inner side wall of the annular sliding block, and a boss corresponding to the limiting baffle is arranged at the other end of the positioning column.

8. The chair armrest of claim 6, wherein: and the second push block is provided with a limiting buckle for preventing the second push block from sliding out of the annular sliding block.

9. The armrest of a chair according to any one of claims 1 to 8, wherein: the lifting slider is sleeved on the armrest seat, and the inner side surface of the lifting slider is abutted to the outer side surface of the armrest seat.

10. The armrest of a chair according to any one of claims 1 to 8, wherein: the armrest is hinged to the lifting slider.

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