CN101543359A - Multifunctional chair - Google Patents

Abstract

The present invention relates to a multifunctional chair, comprising: the bottom of the base is an arc-shaped swinging structure at the bottom of the rocking chair, and a pair of inverted U-shaped armrests are arranged on two sides of the swinging structure; the front fixing blocks are fixed on the front sides of the pair of armrests; a pair of rear fixing blocks fixed to rear sides of the pair of armrests, respectively; the guide wheels are fixed on the part, protruding out of the handrail, of the front fixing block, a movable supporting rod is arranged above the guide wheels, the upper end of the supporting rod is riveted with a pull rod, the upper end of the pull rod is riveted with a wrench, and the bottom of the wrench is fixed on the front fixing block; the left and right manual push wheels are connected by a cross shaft, two sides of the cross shaft are respectively riveted with a suspender, the upper end of the suspender is riveted with a wrench, and the bottom of the wrench is fixed on the rear fixing block; a seat cushion and a back cushion which are respectively erected on the base. The invention can realize the switching between the wheelchair and the rocking chair.

Description

a multifunctional chair

technical field

The invention relates to a chair, in particular to a chair with dual functions of a wheelchair and a rocking chair.

Background technique

Existing wheelchairs or rocking chairs can only be used for a single use and have a single function.

Contents of the invention

The present invention aims at the above-mentioned defects of the prior art, and provides a multifunctional chair, so that the chair can be used as a wheelchair and a rocking chair.

In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

A multifunctional chair, comprising: a base, the bottom of which is an arc-shaped rocking structure at the bottom of the rocking chair, a pair of '∩'-shaped armrests are arranged on both sides of the rocking structure; a pair of front fixing blocks, the front fixing blocks are fixed on a pair of The front side of the handrail; a pair of rear fixed blocks, which are respectively fixed on the rear side of a pair of handrails; a pair of guide wheels, the guide wheels are fixed on the part of the front fixed block protruding from the handrail, and above the guide wheels is A movable support rod, the upper end of the rod is riveted with a pull rod, the upper end of the pull rod is riveted with a wrench, and the bottom of the wrench is fixed on the front fixed block; the left and right manual push wheels are connected by a horizontal axis, and the horizontal axis Both sides of the shaft are riveted with a suspender respectively, the upper end of the suspender is riveted with a wrench, and the bottom of the wrench is fixed on the rear fixing block; a cushion and a back cushion are respectively erected on the base.

Preferably, the seat cushion and the back cushion are connected by a sleeve and a rotating shaft. Several tooth buckles are provided on the outer periphery of the sleeve. A toothed piece and a spring are arranged in the rotating shaft. The spring touches the toothed piece, and the toothed piece on the rotating shaft The outer layer is provided with a compression ring that can be screwed on the rotating shaft.

Preferably, a Y-shaped support frame fixed by screws is provided between the rear sides of the pair of armrests.

Preferably, the bottom of the armrest and the arc swing structure are riveted with screws.

Preferably, gears are provided inside the left and right push wheels, and a lever is riveted on the horizontal shaft on the side close to the gears, and a gear sleeve matching the gears is provided on the lever.

It can be seen from the above technical solutions that the present invention can easily lift and land the guide wheel and the manual push wheel by pulling the wrench arranged on the front and rear fixing blocks, so as to realize the switching between the wheelchair and the rocking chair. Further, by setting the tooth buckle and the tooth plate which can control the angle of the seat cushion and the back cushion at the joint of the seat cushion and the back cushion, the purpose of adjusting the angle of the seat cushion and the back cushion of the chair according to the use state of the chair is achieved.

Description of drawings

Fig. 1 is the perspective view of the three-dimensional structure of the base of the present invention;

Fig. 2 is the connection diagram of front connection block and guide wheel of the present invention;

Fig. 3 is the connection schematic diagram of rear connection block and manual push wheel of the present invention;

Fig. 4 is the connection diagram of seat cushion and back cushion of the present invention;

Fig. 5 is a structural diagram of the connection between the seat cushion and the back cushion of the present invention;

Fig. 6 is a structural diagram of the manual push wheel of the present invention.

Detailed ways

The present invention will be described in further detail below in combination with specific embodiments.

Referring to Figures 1 to 4, a multifunctional chair of the present invention includes a base 100. The bottom of the base is an arc-shaped rocking structure 1 at the bottom of the rocking chair, and a pair of '∩'-shaped armrests 3 are arranged on both sides of the rocking structure; A pair of front fixed blocks 5, the front fixed blocks are fixed on the front side of a pair of handrails; a pair of rear fixed blocks 11, the pair of rear fixed blocks are respectively fixed on the rear side of a pair of handrails; a pair of guide wheels 2, the guide The wheel 2 is fixed on the part protruding from the handrail 3 on the front fixed block 5, the top of the guide wheel 2 is connected with a movable pole 21, the upper end of the pole 21 is riveted with a pull rod 22, the upper end of the pull rod 22 is riveted with a wrench 6, and the wrench The bottom of 6 is fixed on the front fixed block 5; the left and right manual push wheels 4 are connected with a horizontal shaft 8 between the push wheels, and the two sides of the horizontal shaft 8 are riveted with a suspender 12 respectively, and the upper end of the suspender 12 is connected with a wrench 10 Riveting, and the bottom of wrench 10 is fixed on the rear fixed block 11; A pad 13 and back pad 14 are erected on the base respectively, and the top end of the back pad is provided with pillow 15.

As a preferred embodiment of the present invention, a Y-shaped support frame 7 fixed by screws is provided between the rear sides of the pair of armrests.

As a preferred embodiment of the present invention, the bottom of the armrest and the arc-shaped swing structure are riveted with screws.

As shown in Fig. 5, as a preferred embodiment of the present invention, the seat cushion 13 and the back cushion 14 are connected by a sleeve 17 and a rotating shaft 19. A gear piece 18 and spring, the spring touches the gear piece, and the outer layer of the gear piece on the rotating shaft is provided with the compression ring 16 that can be screwed on the rotating shaft.

Referring to Fig. 6, as a preferred embodiment of the present invention, a gear 20 is provided inside the left and right push wheels 4, and a lever 9 is riveted on the horizontal shaft near the gear side, and the lever 9 is provided with Gear 20 matching gear sleeve.

The specific embodiment above is used to describe the purpose, features and effects of this creation in detail. For those who are familiar with this type of technology, according to the above description, some changes and modifications may be made to the specific embodiment. Anything that deviates from the spirit of this creation should be included in the patent application scope of this case, and should be stated first.

Claims (5)

1. A multifunctional chair, characterized in that it comprises: A base, the bottom of the base is an arc-shaped rocking structure at the bottom of the rocking chair, and a pair of '∩'-shaped armrests are arranged on both sides of the rocking structure; A pair of front fixing blocks, the front fixing blocks are fixed on the front side of a pair of handrails; A pair of rear fixing blocks, the pair of rear fixing blocks are respectively fixed on the rear side of a pair of handrails; A pair of guide wheels, the guide wheels are fixed on the part protruding from the handrail on the front fixed block, above the guide wheel is a movable pole, the upper end of the pole is riveted with a pull rod, the upper end of the pull rod is riveted with a wrench, and the bottom of the wrench fixed on the front fixed block; Left and right manual push wheels, the push wheels are connected by a horizontal shaft, the two sides of the horizontal shaft are respectively riveted with a suspender, the upper end of the suspender is riveted with a wrench, and the bottom of the wrench is fixed on the rear fixed block; A cushion and a back cushion are set up on the base respectively. 2. The multi-functional chair according to claim 1, characterized in that: the seat cushion and the back cushion are connected by a sleeve and a rotating shaft, several tooth buckles are arranged on the outer periphery of the sleeve, and a tooth piece is arranged inside the rotating shaft And the spring, the spring touches the tooth piece, and the outer layer of the tooth piece on the rotating shaft is provided with a compression ring that can be screwed on the rotating shaft. 3. The multifunctional chair according to claim 2, characterized in that: a Y-shaped support frame fixed by screws is arranged between the rear sides of the pair of armrests. 4. The multifunctional chair according to claim 3, characterized in that: the bottom of the armrest and the arc-shaped swing structure are riveted with screws. 5. The multifunctional chair according to claim 4, characterized in that: there are gears on the inside of the left and right push wheels, and a lever is riveted on the horizontal shaft on the side close to the gears, and the lever is provided with gears. Matching gear sets.

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