CN210493368U

CN210493368U - Wire control lifting mechanism easy to operate for swivel chair tray

Info

Publication number: CN210493368U
Application number: CN201921338277.XU
Authority: CN
Inventors: 倪永兴
Original assignee: HANGZHOU ZHONGTAI INDUSTRIAL GROUP CO LTD
Current assignee: HANGZHOU ZHONGTAI INDUSTRIAL GROUP CO LTD
Priority date: 2019-08-16
Filing date: 2019-08-16
Publication date: 2020-05-12
Anticipated expiration: 2029-08-16

Abstract

The utility model relates to a swivel chair tray especially relates to an easy operation drive-by-wire elevating system of swivel chair tray. The swivel chair tray mainly solves the technical problems that the swivel chair tray in the prior art is insufficient in tension force when adjusted to lift, small in amplitude, free of triggering of a lifting air rod, capable of being controlled manually only when adjusted to lift, inconvenient and the like. The utility model discloses an aluminium part (1), aluminium part (1) go up the cross-under and have lift (2) of acting as go-between, the lift is acted as go-between the other end and is connected with elevator (3), the one end of elevator is equipped with spiral ladder (4), be equipped with lift seat (5) on the elevator, be equipped with guide pillar (6) that can contact spiral ladder on the lift seat, the elevator is connected with lift extension spring (7), lift extension spring connects on torsional spring stationary blade (8), the torsional spring stationary blade passes through screw (9) and fixes together on the aluminium part with clamp plate (10) of below.

Description

Wire control lifting mechanism easy to operate for swivel chair tray

Technical Field

The utility model relates to a swivel chair tray especially relates to an easy operation drive-by-wire elevating system of swivel chair tray.

Background

The present known swivel chair tray consists of an upper tray, a lower supporting beam, a supporting shaft and spring device parts, after the upper tray is fixed with the back of the swivel chair seat, the swivel chair can properly tilt around the supporting shaft, so that the user can feel comfortable. The Chinese patent discloses a tray (publication number: CN 2587252Y), which mainly comprises a bottom plate, a movable seat, a conical tube and an adjusting device, wherein the movable seat is fixedly connected with the bottom plate, a conical tube fixing plate is arranged at the other side of the movable seat, and the conical tube fixing plate, the movable seat and the conical tube are fixedly connected; the adjusting device comprises an adjusting rod, an adjusting plate, a torsional spring and a torsional spring fixing plate, wherein the adjusting rod is inserted in the movable seat, the adjusting plate is fixedly connected to one end of the adjusting rod inserted in the movable seat, one surface of the adjusting plate is in contact with the air pressure rod, and the other surface of the adjusting plate is connected with the torsional spring; the other side of the adjusting plate is provided with an adjusting plate rotation stopping sheet; riveting the movable seat on the bottom plate by using a rivet, welding a conical tube at the center of the movable seat, winding a torsion spring and a torsion spring fixing plate on the rivet, fixing one end of the torsion spring on the torsion spring fixing plate, and arranging an adjusting plate convex bubble on the adjusting plate; the tray is provided with a locking mechanism which mainly comprises a fixed block, a rivet, an adjusting rod, a roller seat, a roller pin, an adjusting sleeve, a rivet, an adjusting bolt, a pressure spring, a fixed seat, a braking piece, a steel sleeve and a locking nut; the fixed block is fixedly connected to a movable seat, a rivet is movably inserted into the end part of the fixed block, one end of a brake piece is movably fixed in the center of the rivet, a long waist-shaped hole is formed in the other end of the brake piece, an adjusting bolt is inserted into the long waist-shaped hole, a locking nut is screwed at one end of the adjusting bolt, a steel sleeve penetrates through the adjusting bolt, the outer surface of the steel sleeve is movably matched with one side face of a fixed seat, the fixed seat is fixedly connected to a bottom plate, an adjusting sleeve is fixedly connected to the other side face of the fixed seat, a pressure spring is in clearance fit with the inner side of the fixed seat, the pressure spring is wound on the adjusting bolt, the end face of the adjusting bolt supports against; an adjusting rod is welded on the inner side of the other end of the roller seat. But this kind of swivel chair tray tension is not enough when adjusting the lift, and the range is less, causes not to trigger the lift gas pole to can only full manual control when adjusting the lift, it is more inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model provides an easy operation drive-by-wire elevating system of swivel chair tray, it mainly is that the tensioning force of swivel chair tray that solves prior art existence is not enough when adjusting the lift, and the range is less, causes not to trigger lift gas pole to can only full manual control when adjusting the lift, more inconvenient technical problem of waiting.

The above technical problem of the present invention can be solved by the following technical solutions:

the utility model discloses an easy operation drive-by-wire elevating system of swivel chair tray, including the aluminium alloy, the aluminium alloy on the cross-under have the lift to act as go-between, the lift is acted as go-between the other end and is connected with the elevator, the one end of elevator is equipped with the spiral ladder, is equipped with the seat that goes up and down on the elevator, is equipped with the guide pillar that can contact the spiral ladder on the seat that goes up and down, the elevator is connected with the extension spring that goes up and down, the extension spring that goes up and down is connected on the torsional spring stationary blade. The utility model discloses a drive-by-wire for after taut lift was acted as go-between, the elevator rotated. Because the seat that goes up and down is fixed, the spiral ladder of elevator can rotate along the guide pillar, and the route of elevator operation is longer, and the elevator just can go up and down to touching the gas pole on the swivel chair tray, opening the gas circuit, thereby the seat can go up and down. The lifting air channel system structure of the air rod and the swivel chair tray is the same as that of the prior art, and belongs to a universal structure.

As preferred, clamp plate below articulated through the screw have the regulating plate, the one end of regulating plate is equipped with the torsional spring round pin, it has the adjustment tank to open on the clamp plate, the torsional spring round pin passes the adjustment tank and is connected with the torsional spring, the torsional spring middle part is connected on the screw, the torsional spring other end is connected with the locking regulating block, is equipped with the extension spring between locking regulating block and the torsional spring stationary blade, the locking regulating block is adjusted and is had the gear stay wire. After the pulling gear is acted as go-between, the locking regulating block rotates, utilizes the torsional spring can drive the regulating plate and stretch out and draw back for the regulating plate can stretch out the clamp plate, and the gear is adjusted the back regulating plate that finishes and can be cooperated with gear slot on the swivel chair tray base and lock.

Preferably, the locking adjusting block is L-shaped, the middle part of the locking adjusting block is hinged to the aluminum piece, one end of the locking adjusting block is connected with the torsion spring, and the other end of the locking adjusting block is provided with a hook body which can be connected with the torsion spring. The locking regulating block can rotate around the middle part pin joint, and it can one end pulling regulating plate like this, and the other end can be reset by the extension spring, and the assembly is comparatively reasonable.

Preferably, a power box is fixed in the middle of the aluminum part, a plurality of guide posts are arranged in the power box, and the lifting stay wire is connected to the guide posts in a sliding manner. The plurality of guide posts are arranged, so that the tension force of the lifting stay wire can be increased, and after the lifting stay wire is pulled, the lifting stay wire is always in a tightened state, so that the operation is convenient.

Preferably, a winding column is arranged in the power box, the lifting stay wire is wound on the winding column, the winding column is connected with a driving motor, and the driving motor is connected with a control button through an electric wire. After the control button is pressed, the driving motor can be started, the driving motor drives the winding column to wind, and the lifting stay wire can be automatically pulled. The driving motor is a small motor sold in the market and is driven by a dry battery power supply.

Preferably, the lifting seat is connected to the aluminum part through two cross round head screws. Because the elevator block need contact the lift seat when going up and down, consequently must fix comparatively firmly to the lift seat, adopt two cross button head screws to reach this kind of effect.

Therefore, the utility model discloses a swivel chair tray is tensioning force stronger when adjusting to go up and down, utilizes the range of lift piece adjustment great, can guarantee to trigger the lift gas pole on the swivel chair tray to not only can manual control when adjusting to go up and down, can also carry out automatically controlled, it is comparatively convenient, simple structure, reasonable.

Drawings

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

FIG. 2 is a schematic diagram of the explosion structure of the present invention;

fig. 3 is a schematic structural diagram of the power box of the present invention.

Parts, positions and numbers in the drawings: the device comprises an aluminum part 1, a lifting stay wire 2, a lifting block 3, a spiral step 4, a lifting seat 5, a guide post 6, a lifting tension spring 7, a torsion spring fixing piece 8, a screw 9, a pressing plate 10, an adjusting plate 11, a torsion spring pin 12, an adjusting groove 13, a torsion spring 14, a locking adjusting block 15, a tension spring 16, a gear stay wire 17, a hook body 18, a power box 19, a guide post 20, a winding post 21, a driving motor 22, a control button 23 and a cross round head screw 24.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example (b): the wire control lifting mechanism easy to operate for the swivel chair tray comprises an aluminum part 1, a lifting stay wire 2 is connected to the aluminum part in a penetrating mode, the other end of the lifting stay wire is connected with a lifting block 3, a spiral step 4 is arranged at one end of the lifting block, a lifting seat 5 is assembled on the lifting block, a guide post 6 capable of contacting with the spiral step is arranged on the lifting seat, and the lifting seat 5 is connected to the aluminum part through two cross round head screws 24. The lifting block is connected with a lifting tension spring 7, the lifting tension spring is connected to a torsional spring fixing piece 8, and the torsional spring fixing piece is fixed on the aluminum piece together with a pressing plate 10 below the torsional spring fixing piece through a screw 9. The clamp plate below has regulating plate 11 through the articulated regulating plate that has of screw, and the one end of regulating plate is equipped with torsional spring round pin 12, and it has adjustment tank 13 to open on the clamp plate 10, and the torsional spring round pin passes the adjustment tank and is connected with torsional spring 14, and the torsional spring middle part is connected on the screw, and the torsional spring other end is connected with locking regulating block 15, is equipped with extension spring 16 between locking regulating block and the torsional spring stationary blade 8, and locking regulating block adjusts there is the gear stay wire 17. The locking adjusting block is L-shaped, the middle part of the locking adjusting block is hinged on the aluminum piece, one end of the locking adjusting block is connected with the torsion spring 14, and the other end of the locking adjusting block is provided with a hook body 18 which can be connected with the tension spring 16. As shown in figure 3, a power box 19 is fixed in the middle of the aluminum part, a plurality of guide posts 20 are arranged in the power box, and the lifting stay wire 2 is connected to the guide posts in a sliding manner. A winding column 21 is arranged in the power box 19, the lifting stay wire 2 is wound on the winding column, the winding column is connected with a driving motor 22, and the driving motor is connected with a control button 23 through an electric wire.

During the use, the manual pulling goes up and down to act as go-between 2, perhaps presses control button 23 and makes driving motor 22 start, goes up and down to act as go-between and drives elevator 3 and rotate, and spiral ladder 4 on the elevator rotates along guide pillar 6 of seat 5 that goes up and down to the elevator just can downstream, backs down the gas pole behind the elevator motion, thereby accomplishes the lift. After the pulling gear was acted as go-between 17, locking regulating block 15 was rotatory round the pin joint, and the regulating plate 11 is rotatory after being driven by torsional spring 14, and outside the regulating plate stretched out the clamp plate, then what carry out the seat inclines to face upward the gear regulation, loosens the gear and acts as go-between, and the regulating plate can lock the gear on the swivel chair tray.

The above description is only for the specific embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.

Claims

1. The utility model provides an easy operation drive-by-wire elevating system of swivel chair tray, includes aluminium part (1), its characterized in that aluminium part (1) go up the cross-under and have lift (2) of acting as go-between, the lift other end of acting as go-between is connected with elevator (3), the one end of elevator is equipped with spiral ladder (4), be equipped with lift seat (5) on the elevator, be equipped with guide pillar (6) that can contact spiral ladder on the lift seat, the elevator is connected with lift extension spring (7), lift extension spring connects on torsional spring stationary blade (8), the torsional spring stationary blade passes through screw (9) and fixes together on aluminium part with clamp plate (10) of below.

2. The easy-to-operate wire-controlled lifting mechanism of the swivel chair tray according to claim 1, wherein an adjusting plate (11) is hinged below the pressing plate (10) through a screw, a torsion spring pin (12) is arranged at one end of the adjusting plate, an adjusting groove (13) is formed in the pressing plate (10), the torsion spring pin penetrates through the adjusting groove and is connected with a torsion spring (14), the middle of the torsion spring is connected to the screw, a locking adjusting block (15) is connected to the other end of the torsion spring, a tension spring (16) is arranged between the locking adjusting block and the torsion spring fixing plate (8), and a gear pull wire (17) is adjusted by the locking adjusting block.

3. The easy-to-operate wire-controlled lifting mechanism of the swivel chair tray as claimed in claim 2, wherein the locking adjusting block (15) is L-shaped, the middle part of the locking adjusting block is hinged on the aluminum member (1), one end of the locking adjusting block is connected with the torsion spring (14), and the other end of the locking adjusting block is provided with a hook body (18) which can be connected with the tension spring (16).

4. The easy-to-operate wire-controlled lifting mechanism of the swivel chair tray according to claim 1, 2 or 3, characterized in that a power box (19) is fixed in the middle of the aluminum member (1), a plurality of guide posts (20) are arranged in the power box, and the lifting pull wire (2) is connected to the guide posts in a sliding manner.

5. The easy-to-operate wire-controlled lifting mechanism of the swivel chair tray according to claim 4, characterized in that a winding column (21) is arranged in the power box (19), the lifting stay wire (2) is wound on the winding column, the winding column is connected with a driving motor (22), and the driving motor is connected with a control button (23) through an electric wire.

6. The easy-to-operate wire controlled lifting mechanism of swivel chair tray according to claim 1, 2 or 3, characterized in that the lifting seat (5) is connected to the aluminum member (1) by two cross round head screws (24).