CN210930416U

CN210930416U - Old-fit chair with dead weight brake

Info

Publication number: CN210930416U
Application number: CN201922051240.5U
Authority: CN
Inventors: 杜卫东
Original assignee: Sichuan Yadu Furniture Co ltd
Current assignee: Sichuan Yadu Furniture Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-07-07
Anticipated expiration: 2029-11-25

Abstract

The utility model discloses an aged chair with dead weight brake in the furniture field, which comprises a frame, wherein the frame is provided with a handrail, the handrail and the frame are provided with a back plate, the back plate is provided with a straight groove, a rotating block is arranged in the straight groove and is connected with a seat plate, the frame is provided with a front support leg and a back support leg, the front support leg and the frame are provided with a first straight hole, a straight pipe is arranged in the first straight hole, the straight pipe is provided with a spring and is provided with a bearing, the bearing is provided with a U-shaped frame, a roller is rotationally connected between the bottoms in the U-shaped frame through a fixedly connected rotating shaft, the middle end of the U-shaped frame is provided with a second straight hole, the second straight hole is internally and slidably connected with a straight rod, the bottom of the straight rod is fixedly connected with a brake pad, and the middle end of the straight rod is fixedly connected with a stopper, the utility model discloses a straight pipe is fixed at the bottom of the front support leg, a, is convenient for the elderly to push.

Description

Old-fit chair with dead weight brake

Technical Field

The utility model relates to the field of furniture, specifically be an it suits old chair of area dead weight brake.

Background

The chair is a daily-life furniture, a seat with a backrest and armrests. Ancient people sit on the ground without chairs. According to the records of the books, the name of the chair is originally found in the Tang Dynasty, and the image of the chair is transferred to the Huchi bed in the North when tracing to Hanwei. Modern chairs pursue beauty and fashion, and some chairs are not only seats, but also provide more technologies, so that the chairs are more convenient for people.

The aging of China is gradually increased, more and more furniture is developed for the old, and the old-fitting chair is the furniture with the highest use frequency for the old, but the old-fitting chair is not convenient for the old to move at present.

Based on this, the utility model designs and specifically designed a take suitable old chair of dead weight brake to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take suitable old chair of dead weight brake to solve the problem that the inconvenient old person of present suitable old chair removed that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an adaptive chair with a dead weight brake comprises a letter-returning frame, a seat board, armrests, a back board, front supporting legs, rolling wheels and back supporting legs, wherein the top of the letter-returning frame is symmetrically and fixedly connected with the armrests, the armrests and the letter-returning frame are fixedly connected with the back board, the back board is symmetrically provided with straight grooves, the straight grooves are rotatably connected with rotating blocks through fixedly connected rotating shafts, the rotating blocks are fixedly connected with the seat board, the bottom of the letter-returning frame is symmetrically and fixedly connected with the front supporting legs and the back supporting legs, the front supporting legs and the letter-returning frame are provided with first straight holes, the bottoms in the first straight holes are fixedly connected with straight pipes, the tops of the straight pipes are provided with springs, the bottoms of the straight pipes are fixedly connected with bearings, the bottoms of the bearings are fixedly connected with U-shaped frames, the rolling wheels are rotatably connected between the bottoms in the U-shaped, a straight rod is connected in the second straight hole in a sliding mode, a brake pad is fixedly connected to the bottom of the straight rod, and a limiting block is fixedly connected to the middle end of the straight rod.

Preferably, the inner ring of the bearing is fixedly connected with the straight pipe, and the outer ring of the bearing is fixedly connected with the U-shaped frame.

Preferably, the inner ring diameter of the bearing, the inner diameter of the straight pipe and the inner diameter of the second straight hole are consistent in size.

Preferably, the spring is sleeved outside the straight rod.

Preferably, the top of the spring is in contact with the bottom of the limiting block when the spring is in a natural state.

Preferably, the outer wall of the bottom of the front supporting leg is spliced with a reinforced copper sleeve.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages that the straight pipe is fixed at the bottom of the front supporting leg, the bearing is fixed at the bottom of the straight pipe, the U-shaped frame is fixed by the bearing, the U-shaped frame fixes the roller, and when the back plate is lifted by the old, the old can conveniently push the chair to move, and the old can conveniently push the chair; after the old person sits on the bedplate, the bedplate pushes down the straight-bar and moves down, and the straight-bar drives brake block and gyro wheel contact and brakes the gyro wheel, conveniently carries out the dead weight brake to suitable old chair, has guaranteed old person's security, and wherein, the back landing leg does not set up the gyro wheel, and suitable old chair is stable better when the old person sits the chair. The utility model discloses a landing leg bottom is equipped with the reinforcement copper sheathing in the front, and the landing leg bottom is protected before the convenience, avoids preceding landing leg to explode out the phenomenon because of too big emergence hard.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments 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 that other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a rear view of the structure of the present invention;

FIG. 3 is a sectional view of the structure of the present invention;

FIG. 4 is a schematic view of the front leg and the connecting structure thereof;

in the drawings, the components represented by the respective reference numerals are listed below:

1. the novel seat comprises a square frame 2, a seat plate 3, handrails 4, a back plate 5, a straight rod 6, a front supporting leg 7, a straight pipe 8, a bearing 9, a reinforced copper sleeve 10, a roller 11, a U-shaped frame 12, a rear supporting leg 13, a straight groove 14, a rotating block 15, a first straight hole 16, a spring 17, a brake pad 18, a limiting block 19 and a second straight hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an adaptive chair with a dead weight brake comprises a back-shaped frame 1, a seat plate 2, armrests 3, a back plate 4, front supporting legs 6, rollers 10 and back supporting legs 12, wherein the armrests 3 are symmetrically and fixedly connected to the top of the back-shaped frame 1, the armrests 3 and the back plate 4 are fixedly connected to the back plate 1, straight grooves 13 are symmetrically formed in the back plate 4, rotating blocks 14 are rotatably connected to the inside of the straight grooves 13 through fixedly connected rotating shafts, the rotating blocks 14 are fixedly connected with the seat plate 2, the seat plate 2 can conveniently rotate, the front supporting legs 6 and the back supporting legs 12 are symmetrically and fixedly connected to the bottom of the back-shaped frame 1, the rollers 10 are not arranged on the back supporting legs 12, the adaptive chair is better stable when an old person sits on the chair, the front supporting legs 6 and the back-shaped frame 1 are provided with first straight holes 15, straight pipes 7 are fixedly connected to the bottom of the first straight holes 15, springs 16 are arranged on the tops, the outer ring of the bearing 8 is fixedly connected with the U-shaped frame 11, the bottom in the U-shaped frame 11 is rotatably connected with the idler wheel 10 through a rotating shaft which is fixedly connected, the straight pipe 7 is fixed at the bottom of the front supporting leg 6, the bearing 8 is fixed at the bottom of the straight pipe 7, the U-shaped frame 11 is fixed by the bearing 8, the idler wheel 10 is fixed by the U-shaped frame 11, and when the back plate 2 is lifted by an old person, the old person can conveniently push the chair to move;

second straight hole 19 has been seted up to 11 middle-end departments of U-shaped frame, the inner ring diameter of bearing 8, the internal diameter of straight tube 7 is unanimous with the internal diameter size of second straight hole 19, sliding connection has straight-bar 5 in the second straight hole 19, spring 16 covers outside straight-bar 5, spring 16 is spring 16 top and stopper 18 bottom contact when in natural state, 5 bottom fixedly connected with brake block 17 of straight-bar, the old person sits back on bedplate 2, bedplate 2 pushes down straight-bar 5 and moves down, straight-bar 5 drives brake block 17 and the contact of gyro wheel 10 is braked gyro wheel 10, the convenience is carried out the dead weight brake to fitting old chair, the old person's security has been guaranteed, 5 middle-end department fixedly connected with stopper 18 of straight-bar.

6 bottom outer walls of preceding landing leg are pegged graft and are had reinforcement copper sheathing 9, are equipped with reinforcement copper sheathing 9 through 6 bottoms of landing leg in the front, and the landing leg 6 bottom is protected before the convenience, avoids preceding landing leg 6 to explode out the phenomenon because of exerting oneself too big emergence.

One specific application of this embodiment is: the straight pipe 7 is fixed at the bottom of the front supporting leg 6, the bearing 8 is fixed at the bottom of the straight pipe 7, the U-shaped frame 11 is fixed by the bearing 8, the roller 10 is fixed by the U-shaped frame 11, when the back plate 2 is lifted by an old person, the old person can conveniently push an old-fit chair to move, the old person can conveniently push the old person, when the old person leaves the seat plate 2, the restoring force of the spring 16 pushes the limiting block 18 to move upwards, the limiting block 18 drives the straight rod 5 to move upwards, the straight rod 5 drives the brake pad 17 to be separated from the; after the chair is pushed to a designated position, after an old person sits on the seat board 2, the seat board 2 presses the straight rod 5 to move downwards, the straight rod 5 drives the brake block 17 to contact with the roller 10 to brake the roller 10, dead weight braking is conveniently carried out on an old chair, safety of the old person is guaranteed, the middle end of the straight rod 5 is fixedly connected with the limiting block 18, the rear supporting leg 12 is not provided with the roller 10, and the old person can be more stable when sitting on the chair; the bottom of the front supporting leg 6 is provided with a reinforced copper sleeve 9, so that the bottom of the front supporting leg 6 is protected conveniently, and the phenomenon that the front supporting leg 6 is exploded due to excessive force is avoided.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a take suitable old chair of dead weight brake, includes back word frame, bedplate, handrail, backplate, preceding landing leg, gyro wheel and back landing leg, its characterized in that: the top of the square frame is symmetrically and fixedly connected with handrails, the handrails and the square frame are fixedly connected with a back plate, the back plate is symmetrically provided with straight grooves, rotating blocks are rotatably connected in the straight grooves through a rotating shaft which is fixedly connected, the rotating block is fixedly connected with the seat board, the bottom of the square-shaped frame is symmetrically and fixedly connected with a front supporting leg and a rear supporting leg, the front supporting leg and the frame are provided with a first straight hole, the bottom of the first straight hole is fixedly connected with a straight pipe, the top of the straight pipe is provided with a spring, the bottom of the straight pipe is fixedly connected with a bearing, the bottom of the bearing is fixedly connected with a U-shaped frame, the bottom in the U-shaped frame is rotationally connected with a roller through a rotating shaft which is fixedly connected, the middle end of the U-shaped frame is provided with a second straight hole, a straight rod is connected in the second straight hole in a sliding mode, a brake pad is fixedly connected to the bottom of the straight rod, and a limiting block is fixedly connected to the middle end of the straight rod.

2. The chair with the self-weight brake as claimed in claim 1, wherein: the inner ring of the bearing is fixedly connected with the straight pipe, and the outer ring of the bearing is fixedly connected with the U-shaped frame.

3. The chair with the self-weight brake as claimed in claim 1, wherein: the inner ring diameter of the bearing, the inner diameter of the straight pipe and the inner diameter of the second straight hole are consistent in size.

4. The chair with the self-weight brake as claimed in claim 1, wherein: the spring is sleeved outside the straight rod.

5. The chair with the self-weight brake as claimed in claim 1, wherein: and the top of the spring is contacted with the bottom of the limiting block when the spring is in a natural state.

6. The chair with the self-weight brake as claimed in claim 1, wherein: and a reinforced copper sleeve is inserted into the outer wall of the bottom of the front supporting leg.