CN212139934U

CN212139934U - Electric chair

Info

Publication number: CN212139934U
Application number: CN202020838938.1U
Authority: CN
Inventors: 胡天怡; 朱怀球; 吴婷桦
Original assignee: Zhejiang Light Industrial Products Quality Inspection And Research Institute
Current assignee: Zhejiang Light Industrial Products Quality Inspection And Research Institute
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2020-12-15
Anticipated expiration: 2030-05-19

Abstract

The utility model relates to an electric chair, including seat support, the back of the chair, chair foot and first drive box, terminal surface under the seat support is fixed to first drive box, is equipped with interconnect's motor and reduction gear in the first drive box, still runs through on the reduction gear and is equipped with first transmission rod, and the chair foot includes base, bracing piece and lifter, and the lifter slides and sets up in the bracing piece, the lifter internal fixation has the transmission box, is equipped with screw rod and first transmission rod through the bearing respectively on two terminal surfaces of transmission box mutually perpendicular, and screw rod and first transmission rod transmission, and the bracing piece of establishing the screw hole in the bracing piece internal fixation, and the bracing piece is connected with the other end of screw rod, and one side of seat support still is equipped with operating panel. The utility model discloses set the chair foot to sliding connection's bracing piece and lifter to drive the lifter roll-off or retract from the bracing piece through the drive box that sets up bottom the seat support, and then realized the lift of lifter top seat support.

Description

Electric chair

Technical Field

The utility model belongs to the technical field of student's desk chair, specifically speaking relates to an electric chair.

Background

In daily life, children, teenagers and students need to use stools and seats frequently due to living needs, but in most cases, stools and seats suitable for adults are not suitable for children to use, and even children can be accidentally injured when using the stools and seats.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model aims at providing an electric chair which is suitable for children and is labor-saving and convenient to operate.

In order to achieve the purpose of the invention, the utility model adopts the following technical scheme:

an electric chair comprises a chair seat, a chair back and chair legs, wherein the chair back is connected with the chair seat through a connecting rod, the two chair legs are respectively fixed at two sides of the lower end surface of the chair seat, the electric chair also comprises a first driving box, the first driving box is fixed on the lower end surface of the chair seat, a motor and a speed reducer which are connected with each other are arranged in the first driving box, the speed reducer is also provided with a first transmission rod in a penetrating way, the chair leg comprises a base, a supporting rod and a lifting rod, the supporting rod is vertically fixed on the base, the lifting rod is arranged in the supporting rod in a sliding manner, a transmission box is fixed in the lifting rod, two end faces of the transmission box which are vertical to each other are respectively provided with a screw rod and a first transmission rod through bearings, the screw rod and the first transmission rod are driven by a bevel gear, a supporting block with a threaded hole is fixed in the supporting rod, the supporting block is in threaded connection with the other end of the screw rod, and an operation panel is further arranged on one side of the seat.

As a preferable scheme: the operating panel is connected with one side of the seat through a hinge, and the bottom of the seat is also rotatably provided with a supporting poking sheet for keeping the operating panel flush with the seat.

As a preferable scheme: one end of each connecting rod is fixed with the two sides of the lower end face of the seat respectively, the other end of each connecting rod is fixed with a regulating column respectively, an inverted U-shaped connecting rod is arranged on the chair back, and the two ends of each connecting rod are connected with the regulating columns in a sliding mode respectively.

As a preferable scheme: the chair back is fixed with the second drive box still, also be equipped with interconnect's motor and reduction gear in the second drive box, still run through on the reduction gear and be equipped with the second transfer line, also be fixed with the transmission box in the regulation post, be equipped with screw rod and second transfer line through the bearing respectively on two terminal surfaces of transmission box mutually perpendicular, and screw rod and second transfer line pass through bevel gear transmission, it establishes the supporting shoe of screw hole to adjust the post internal fixation, the supporting shoe is connected with the other end of screw rod.

As a preferable scheme: still be equipped with the distancer that is used for measuring the seat support height on the seat support, operating panel is last to be equipped with seat support lifting button, back of the chair lifting button and to be used for showing the led display screen of seat support height.

As a preferable scheme: the base and the supporting rod are in an inverted T shape, and rubber anti-skidding blocks are respectively fixed at the front end and the rear end of the base.

As a preferable scheme: the lower parts of the two chair legs are fixedly connected through a reinforcing cross bar, and the reinforcing cross bar is C-shaped.

As a preferable scheme: the chair seat and the chair back are both of plate-shaped structures, and a plurality of through holes are arranged on the chair seat and the chair back at equal intervals.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses set the chair foot to sliding connection's bracing piece and lifter to drive the lifter through the drive box that sets up bottom the seat support and follow roll-off or withdrawal in the bracing piece, and then realized the lift of lifter top seat support, and the operating panel setting of control lift is in one side of seat support, and the children or teenagers of being convenient for operate.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

Fig. 1 and fig. 2 are schematic diagrams of the overall structure of the present invention from different angles;

FIG. 3 is a schematic view of the installation structure of the transmission box, the screw rod and the supporting block of the present invention;

fig. 4 is a schematic view of the connection structure of the motor, the speed reducer, the first transmission rod, the transmission box, the screw rod and the supporting block of the present invention.

Wherein, 1, a chair seat; 2. a chair back; 3. a connecting rod; 4. an inverted U-shaped connecting rod; 5. an adjustment column; 6. a second drive cassette; 7. a second transmission rod; 8. a base; 9. a support bar; 10. a lifting rod; 11. a first drive cassette; 12. a reinforcing cross bar; 13. a rubber anti-skid block; 14. an operation panel; 15. a transmission box; 16. a screw; 17. a thread block; 18. a motor; 19. a speed reducer; 20. a first driving lever.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings and examples.

As shown in fig. 1 to 4, the electric chair comprises a chair seat 1, a chair back 2 and chair legs, wherein the chair back 2 is connected with the chair seat 1 through a connecting rod 3, the two chair legs are respectively fixed on two sides of the lower end surface of the chair seat, the electric chair further comprises a first driving box 11, the first driving box 11 is fixed on the lower end surface of the chair seat 1, a motor 18 and a speed reducer 19 which are connected with each other are arranged in the first driving box 11, a first transmission rod 20 is further arranged on the speed reducer 19 in a penetrating manner, the chair legs comprise a base 8, a support rod 9 and a lifting rod 10, the support rod 9 is vertically fixed on the base 8, the lifting rod 10 is arranged in the support rod 9 in a sliding manner, a transmission box 15 is fixed in the lifting rod 10, a screw rod 16 and a first transmission rod 20 are respectively arranged on two mutually vertical end surfaces of the transmission box 15 through bearings, the screw rod 16 and the first transmission rod 20 are driven through bevel gears, the supporting block 17 is connected with the other end of the screw 16.

One end of each of the two connecting rods 3 is fixed to two sides of the lower end face of the seat 1, the other end of each of the two connecting rods is fixed to an adjusting column 5, an inverted U-shaped connecting rod 4 is arranged on the seat back 2, and two ends of each of the connecting rods 4 are connected with the adjusting columns 5 in a sliding mode. The chair back 2 is further fixed with a second driving box 6, a motor 18 and a speed reducer 19 which are connected with each other are also arranged in the second driving box 6, a second transmission rod 7 is further arranged on the speed reducer 19 in a penetrating mode, a transmission box 15 is also fixed in the adjusting column 5, two mutually vertical end faces of the transmission box 15 are respectively provided with a screw rod 16 and the second transmission rod 7 through bearings, the screw rod 16 and the second transmission rod 7 are in transmission through bevel gears, a supporting block 17 with a threaded hole formed in the adjusting column 5 is fixed in the adjusting column 5, and the supporting block 17 is in threaded connection with the other end of the screw rod 16.

The back of the chair and seat support all adopt the same mechanism drive to go up and down, drive first transfer line or second transfer line through the motor promptly, and the transfer line passes through bevel gear drive screw rod and rotates, and then makes in the screw rod precession supporting shoe, thereby perhaps unscrews the supporting shoe and has realized raising and lowering functions, and overall structure is reasonable, and the user just can accomplish the operation through pressing corresponding button on the operating panel.

An operation panel 14 is further arranged on one side of the seat 1. The operation panel 14 is connected with one side of the seat 1 through a hinge, and the bottom of the seat 1 is also rotatably provided with a supporting poking sheet for keeping the operation panel 14 flush with the seat 1. When the operation panel is level with the seat surface, the support shifting piece is shifted to enable the support shifting piece to extend out of the bottom surface of the seat and support the operation panel to be kept level with the seat surface, so that the operation is convenient; when the height of the seat is not required to be adjusted, the supporting poking sheet can be rotated, so that the supporting poking sheet leaves from the bottom of the operation panel and is hidden into the bottom of the seat, and the operation panel is turned over under the action of gravity to save space downwards.

Still be equipped with the distancer that is used for measuring seat support 1 height on the seat support 1, operating panel is last to be equipped with seat support lifting button, back of the chair lifting button and to be used for showing the led display screen of seat support height.

The base 8 and the support rod 9 are in an inverted T shape, and rubber anti-skidding blocks 13 are respectively fixed at the front end and the rear end of the base 8. The lower parts of the two chair legs are fixedly connected through a reinforcing cross rod, the reinforcing cross rod is C-shaped, the two chair legs are connected into a whole through the reinforcing cross rod, and the structure is more stable. Seat support 1 and back of the chair 2 are platelike structure, and equidistant interval sets up a plurality of through-holes on seat support 1 and the back of the chair 2, is convenient for ventilate.

Claims

1. The utility model provides an electric chair, includes seat support (1), back of the chair (2) and chair foot, back of the chair (2) are connected with seat support (1) through connecting rod (3), and two chair feet are fixed respectively in the both sides of terminal surface under the seat support, its characterized in that: the chair leg comprises a base (8), a supporting rod (9) and a lifting rod (10), wherein the supporting rod (9) is vertically fixed on the base (8), the lifting rod (10) is arranged in the supporting rod (9) in a sliding mode, a transmission box (15) is fixed in the lifting rod (10), two mutually vertical end faces of the transmission box (15) are respectively provided with a screw rod (16) and a first transmission rod (20) through bearings, the screw rod (16) and the first transmission rod (20) are driven through a bevel gear, a supporting block (17) with a threaded hole is arranged in the supporting rod (9), the supporting block (17) is in threaded connection with the other end of the screw rod (16), and an operation panel (14) is further arranged on one side of the seat (1).

2. The motorized chair of claim 1, wherein: the operating panel (14) is connected with one side of the seat (1) through a hinge, and the bottom of the seat (1) is also rotatably provided with a supporting poking sheet for keeping the operating panel (14) flush with the seat (1).

3. The motorized chair of claim 1, wherein: one end of each of the two connecting rods (3) is fixed to two sides of the lower end face of the seat (1) respectively, the other end of each of the two connecting rods is fixed to an adjusting column (5), an inverted U-shaped connecting rod (4) is arranged on the chair back (2), and two ends of each of the connecting rods (4) are connected with the adjusting columns (5) in a sliding mode respectively.

4. A powered chair as claimed in claim 3, wherein: still be fixed with second drive box (6) on the back of the chair (2), also be equipped with interconnect's motor (18) and reduction gear (19) in second drive box (6), still run through on reduction gear (19) and be equipped with second transfer line (7), also be fixed with transmission box (15) in adjusting post (5), be equipped with screw rod (16) and second transfer line (7) through the bearing respectively on two terminal surfaces of transmission box (15) mutually perpendicular, and screw rod (16) and second transfer line (7) pass through the bevel gear transmission, adjust post (5) internal fixation and be equipped with supporting shoe (17) of establishing the screw hole in, supporting shoe (17) are connected with the other end of screw rod (16).

5. The motorized chair of claim 4, wherein: still be equipped with the distancer that is used for measuring seat support (1) height on seat support (1), operating panel is last to be equipped with seat support lifting button, back of the chair lifting button and to be used for showing the led display screen of seat support height.

6. The motorized chair of claim 1, wherein: the base (8) and the support rod (9) are in an inverted T shape, and rubber anti-skidding blocks (13) are respectively fixed at the front end and the rear end of the base (8).

7. The motorized chair of claim 1, wherein: the lower parts of the two chair legs are fixedly connected through a reinforcing cross bar, and the reinforcing cross bar is C-shaped.

8. The motorized chair of claim 1, wherein: the chair seat (1) and the chair back (2) are both of plate-shaped structures, and a plurality of through holes are arranged on the chair seat (1) and the chair back (2) at equal intervals.