Automatic lifting chair armrest

Abstract

The utility model discloses an automatic lifting chair armrest which comprises an armrest frame, an armrest support is sleeved on the outer side of the upper portion of the armrest frame, the armrest frame is connected with the armrest support in an up-and-down sliding mode, a motor is installed on the inner side of the top of the armrest support, the inner side of the armrest support is in threaded connection with a longitudinally-arranged screw rod, and the motor is connected with the screw rod in a threaded mode. The top of the screw rod is in transmission connection with the motor, a handrail is installed on the top of the handrail support, a sliding sleeve for being in sliding connection with the handrail support is installed on the outer side of the upper portion of the handrail support, a plurality of longitudinal guide strips are arranged on the inner side of the handrail support, and guide blocks corresponding to the guide strips are arranged on the outer side of the sliding sleeve. A touch control liquid crystal screen electrically connected with the motor is installed on the handrail. The automatic lifting chair is simple in structure, the motor drives the screw to rotate, the screw rotates to drive the armrest support and the armrest to move up and down, the chair armrest ascends and descends automatically, use requirements of different human bodies are met, use comfort is improved, and consumer experience is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to chair technical field, concretely relates to a chair handrail of automatic lifting. BACKGROUND

[0002] Chair is the seat that people often use in daily work and life, and the quality of chair influences people's work and life comfort. Office chair and leisure chair generally are provided with chair handrail, and the placement of people's hand is facilitated, and the use comfort is improved. But the existing chair handrail cannot automatically lift, cannot adapt to the use needs of different people, influences the use comfort, and the consumer experience is not good. Therefore, in order to avoid the shortcomings in the prior art, it is necessary to improve the prior art. INVENTION CONTENTS

[0003] The utility model aims at overcoming the shortcomings and deficiencies in the prior art, and provides a comfortable automatic lifting chair handrail.

[0004] The utility model relates to the following technical scheme:

[0005] A kind of automatic lifting chair handrail, including handrail frame, the outer side of the upper portion of the handrail frame is equipped with a handrail support, the handrail frame is slidably connected with the handrail support, the inner side of the top of the handrail support is installed with a motor, the inner side of the handrail support is screwed with a longitudinally arranged screw rod, the top of the screw rod is drivingly connected with the motor, and the top of the handrail support is installed with a handrail.

[0006] Further, the outer side of the upper portion of the handrail frame is installed with the sliding sleeve for the sliding connection of the handrail support.

[0007] Further, the inner side of the upper portion of the sliding sleeve is equipped with a clamping block, and the top of the handrail frame is provided with a clamping groove corresponding to the clamping block.

[0008] Further, the inner side of the handrail support is equipped with a plurality of longitudinal guide strips, and the outer side of the sliding sleeve is equipped with a guide block corresponding to the guide strip.

[0009] Further, the handrail is installed with a touch control liquid crystal screen electrically connected with the motor.

[0010] Further, the motor is a horizontal torsion motor.

[0011] Further, the top of the handrail support is provided with a connecting seat, the top of the connecting seat is provided with a guide column, the handrail is provided with a long strip-shaped through slot for the sliding connection of the guide column, the top of the guide column is connected with a sliding seat, the left and right sides of the sliding seat are both equipped with a plurality of positioning elastic blocks, the left and right inner sides of the handrail are both equipped with a positioning groove corresponding to the positioning elastic block, and the first spring is installed between the positioning elastic blocks.

[0012] Further, the inner side of the sliding seat is provided with a sliding seat connecting plate connected with the guide column, the front and rear sides of the sliding seat connecting plate are both slidingly connected with a connecting piece abutting against the inner side of the sliding seat, and the front and rear sides of the sliding seat connecting plate are both provided with a second spring abutting against the connecting piece.

[0013] Further, the handrail comprises a clamped handrail upper shell and a handrail lower shell.

[0014] Further, the outer side of the handrail is provided with a handrail surface.

[0015] Compared with the prior art, the handrail frame is slidingly connected with the handrail support, the inner side of the handrail support is screwed with a longitudinally arranged screw rod, the top of the screw rod is drivingly connected with a motor, and the top of the handrail support is provided with a handrail. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0017] Fig. 1 It is a structural schematic diagram of the automatic lifting chair handrail of the present application;

[0018] Fig. 2 It is an exploded view of the structure of the automatic lifting chair handrail of the present application;

[0019] Fig. 3 It is a longitudinal sectional structure schematic diagram of the automatic lifting chair handrail of the present application.

[0020] In the figure: 1-handrail frame; 2-handrail support; 3-motor; 4-screw rod; 5-handrail; 6-sleeve; 7-clamping block; 8-clamping groove; 9-guide bar; 10-guide block; 11-touch control liquid crystal screen; 12-connection seat; 13-guide column; 14-long strip-shaped through slot; 15-sliding seat; 16-positioning spring block; 17-positioning groove; 18-sliding seat connecting plate; 19-connecting piece; 20-handrail upper shell; 21-handrail lower shell; 22-handrail surface. DETAILED DESCRIPTION

[0021] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0022] As Figs. 1 to 3 indicated in the utility model discloses an automatic lifting's chair armrest, including armrest frame 1, the outer side of the upper portion of armrest frame 1 is equipped with a armrest support 2, armrest frame 1 and armrest support 2 upper and lower sliding connection, the inner side of the top of armrest support 2 is installed with a motor 3, the inner side of armrest support 2 is screwed with a longitudinally arranged screw rod 4, the top of screw rod 4 is drivingly connected with motor 3, and the top of armrest support 2 is installed with an armrest 5. Through the upper and lower sliding connection of armrest frame 1 and armrest support 2, the inner side of armrest support 2 is screwed with a longitudinally arranged screw rod 4, the top of screw rod 4 is drivingly connected with motor 3, and the top of armrest support 2 is installed with an armrest 5. When using, motor 3 drives screw rod 4 to rotate, screw rod 4 drives armrest support 2 and armrest 5 to move up and down, so that the chair armrest can automatically lift, the use needs of different human bodies are met, the use comfort is improved, and the consumer experience is good.

[0023] The outer side of the upper portion of armrest frame 1 is provided with a sliding sleeve 6 for the sliding connection of armrest support 2, so that the sliding connection of armrest support 2 and armrest frame 1 is more smooth and stable.

[0024] The inner side of the upper portion of sliding sleeve 6 is provided with a clamping block 7, and the top of armrest frame 1 is provided with a clamping groove 8 corresponding to the clamping block 7, so that the installation of sliding sleeve 6 is more convenient and stable.

[0025] The inner side of armrest support 2 is provided with a plurality of longitudinal guide strips 9, and the outer side of sliding sleeve 6 is provided with guide blocks 10 corresponding to the guide strips 9, so that the up and down sliding of armrest support 2 is more stable.

[0026] The armrest 5 is provided with a touch control liquid crystal screen 11 electrically connected with the motor 3, and the lifting of the armrest 5 is controlled through the touch control liquid crystal screen 11.

[0027] As a specific embodiment, the motor 3 is a horizontal torque motor, which is convenient to install and use, stable to operate and convenient to maintain.

[0028] The top of the handrail support 2 is provided with a connecting seat 12, the top of the connecting seat 12 is provided with a guide column 13, the handrail 5 is provided with a long strip-shaped through slot 14 for sliding connection of the guide column 13, the top of the guide column 13 is connected with a sliding seat 15, the left and right sides of the sliding seat 15 are both provided with a plurality of positioning elastic blocks 16, the left and right inner sides of the handrail 5 are both provided with positioning grooves 17 corresponding to the positioning elastic blocks 16, and the positioning elastic blocks 16 are provided with a first spring, so that the handrail 5 can be adjusted forward and backward, and the use requirements of different people are met, and the use is more convenient and comfortable.

[0029] The inner side of the sliding seat 15 is provided with a sliding seat connecting plate 18 connected with the guide column 13, the front and rear sides of the sliding seat connecting plate 18 are both slidingly connected with connecting pieces 19 abutting against the inner side of the sliding seat 15, and the front and rear sides of the sliding seat connecting plate 18 are both provided with second springs 20 abutting against the connecting pieces 19, so that the forward and backward adjustment of the handrail 5 has a buffering feeling, and the adjustment is more stable.

[0030] The handrail 5 comprises a clamped handrail upper shell 20 and a handrail lower shell 21, so that the installation of parts in the handrail 5 and the assembly of the handrail 5 are facilitated.

[0031] The outer side of the handrail 5 is provided with a handrail surface 22, so that the comfort of use of the handrail 5 is improved.

[0032] The above only describes preferred embodiments of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement and the like made in the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An automatically height-adjustable chair armrest, characterized in that: The device includes a handrail frame, with a handrail bracket fitted on the outer side of the upper part of the handrail frame. The handrail frame and the handrail bracket are slidably connected vertically. A motor is installed on the inner side of the top of the handrail bracket. A longitudinally arranged screw is screwed to the inner side of the handrail bracket. The top of the screw is connected to the motor for transmission. A handrail is installed on the top of the handrail bracket.

2. The automatically lifting chair armrest according to claim 1, characterized in that: A sliding sleeve is installed on the outer side of the upper part of the handrail frame for sliding connection of the handrail support.

3. The automatically lifting chair armrest according to claim 2, characterized in that: The upper inner side of the sliding sleeve is provided with a locking block, and the top of the handrail frame is provided with a locking groove corresponding to the locking block.

4. The automatically lifting chair armrest according to claim 2, characterized in that: The inner side of the handrail bracket is provided with several longitudinal guide bars, and the outer side of the sliding sleeve is provided with guide blocks corresponding to the guide bars.

5. The automatically lifting chair armrest according to claim 1, characterized in that: The handrail is equipped with a touch control LCD screen that is electrically connected to the motor.

6. The automatically lifting chair armrest according to claim 1, characterized in that: The motor is a horizontal torque motor.

7. The automatically lifting chair armrest according to claim 1, characterized in that: The top of the handrail bracket is provided with a connecting seat, the top of the connecting seat is provided with a guide post, the handrail is provided with a long strip-shaped through groove for sliding connection of the guide post, the top of the guide post is connected with a slide block, the left and right sides of the slide block are provided with a number of positioning spring blocks, the left and right inner sides of the handrail are provided with positioning grooves corresponding to the positioning spring blocks, and a first spring is installed between the positioning spring blocks.

8. The automatically height-adjustable chair armrest according to claim 7, characterized in that: The inner side of the slide block is provided with a slide block connecting plate connected to the guide post. The front and rear sides of the slide block connecting plate are slidably connected with connecting members that abut against the inner side of the slide block. The front and rear sides of the slide block connecting plate are each equipped with a second spring that abuts against the connecting member.

9. The automatically lifting chair armrest according to claim 1, characterized in that: The handrail includes a snap-fit ​​upper shell and a lower shell.

10. The automatically lifting chair armrest according to claim 1, characterized in that: An armrest surface is installed on the outer side of the armrest.

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