CN220916948U

CN220916948U - Stage swivel chair

Info

Publication number: CN220916948U
Application number: CN202322864780.1U
Authority: CN
Inventors: 戴荣均; 吴云波; 姚寅
Original assignee: Shanghai Canxing Culture Media Co ltd
Current assignee: Shanghai Canxing Culture Media Co ltd
Priority date: 2023-10-25
Filing date: 2023-10-25
Publication date: 2024-05-10
Anticipated expiration: 2033-10-25

Abstract

The utility model discloses a stage swivel chair, which comprises a supporting mechanism for supporting, wherein the top of the supporting mechanism is provided with a seat mechanism, and an inner cavity of the supporting mechanism is provided with a rotation driving mechanism for driving the seat mechanism to rotate; the supporting mechanism comprises a mounting plate arranged on the stage, the top of the mounting plate is movably connected with a support, and a limiting piece is arranged between the mounting plate and the support; the rotary driving mechanism comprises a support column rotationally connected to the center of the top of the mounting plate, and the top of the support column is fixedly connected with the center of the top of the inner cavity of the support seat; through starting first motor, the output shaft of first motor drives the driving pulley and rotates, finally makes support, seat mechanism and LED display screen synchronous use the pillar to rotate as the axle center, because the belt has good elasticity, and the during operation transmission is steady can cushion, absorb vibration, has effectively solved the big problem of transmission noise that transmission gear train exists, and has low in cost, simple structure and use cost's advantage.

Description

Stage swivel chair

Technical Field

The utility model relates to the technical field of swivel chairs, in particular to a stage swivel chair.

Background

Swivel chair refers to a chair in which the sitting portion is rotatable. Swivel chairs can be classified into half swivel chairs and full swivel chairs. On the stage of some programs, it is often necessary to use some rotating seats or platforms to increase the stage effect, making the programs more novel and creative.

The prior patent document with the bulletin number of CN209750405U discloses a novel teacher swivel chair, which is designed into a drop shape by designing the chair, so that the chair is more beautiful and three-dimensional, can well enhance the stage effect and has expressive force; the overall structure of the seat and the button table is in a water drop shape, and meanwhile, the LED strip lamp is combined, so that the stage expressive force is improved, and the stage effect can be well displayed; meanwhile, the LED screen with a double-screen design is arranged on the back of the seat, so that the stage effect can be better expressed; in addition, the rotating assembly composed of the supporting wheel, the supporting frame, the transmission gear set and the driving motor operates stably, and the rotating requirement of the stage seat can be well met.

Above-mentioned novel director swivel chair, though the rotating assembly who comprises supporting wheel, support frame, drive gear group and driving motor satisfies stage seat pivoted demand, in the realization process, it has vibration, impact and the great problem of noise in the drive gear group operation to drive gear group makes and installs the precision requirement higher, and the price is expensive, for this reason, we propose a stage swivel chair.

Disclosure of utility model

The utility model aims to provide a stage swivel chair, which effectively reduces transmission noise through the cooperation of a rotation driving mechanism and a tensioning mechanism, has a simple structure and easy assembly, can ensure that a seat mechanism rotates stably, and has low maintenance and use costs.

In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:

A stage swivel chair comprising:

The top of the supporting mechanism is provided with a seat mechanism, and the inner cavity of the supporting mechanism is provided with a rotation driving mechanism for driving the seat mechanism to rotate;

the support mechanism comprises a mounting plate arranged on the stage, the top of the mounting plate is movably connected with a support, and a limiting piece is arranged between the mounting plate and the support;

The rotary driving mechanism comprises a support column which is rotationally connected to the center of the top of the mounting plate, the top of the support column is fixedly connected with the center of the top of the inner cavity of the support seat, the surface of the support column is fixedly connected with a driven belt pulley, the top of the mounting plate is provided with a first motor, an output shaft of the first motor is fixedly connected with a driving belt pulley, and the first motor is in transmission connection with the driven belt pulley through a belt;

wherein, be equipped with the straining device who is used for tensioning the belt on the rotation actuating mechanism.

As a preferable technical scheme, the seat mechanism comprises supporting legs fixedly connected to the tops of the supports, and the seat body is mounted on the tops of the supporting legs.

As the preferable technical scheme, the limiting piece comprises an upper groove arranged at the bottom of the support, the inner cavity of the upper groove is rotationally connected with the roller, and the top of the mounting plate is provided with a lower groove for the roller to roll.

As the preferable technical scheme, the rollers are at least provided with eight in annular equidistant distribution by taking the central axis of the support as the axis in the inner cavity of the upper groove.

As the preferable technical scheme, the surface of the roller is provided with a caulking groove, and the inner cavity of the caulking groove is embedded with a rubber ring.

As the preferable technical scheme, tensioning mechanism includes fixed plate fixedly connected with mounting panel top, one side of fixed plate rotates and is connected with the screw rod, the surface threaded connection of screw rod has the swivel nut, the top fixedly connected with movable post of swivel nut, the top rotation of movable post is connected with the take-up pulley that contacts with the belt.

As the preferable technical scheme, a second motor capable of driving the screw to rotate is arranged at the top of the mounting plate.

As the preferable technical scheme, the LED display screen is arranged at the top of the support, and one side of the LED display screen is fixedly connected with the backrest of the seat body.

The utility model has at least the following beneficial effects:

The utility model has the beneficial effects that the first motor is started, the output shaft of the first motor drives the driving belt pulley to rotate, and finally the support, the seat mechanism and the LED display screen synchronously rotate by taking the support as the axle center, and the belt has good elasticity, so that the belt can stably drive and buffer and absorb vibration, the problem of large driving noise of the driving gear set is effectively solved, and the belt has the advantages of low manufacturing cost, simple structure and low use cost.

Drawings

FIG. 1 is a schematic view of a stage swivel chair according to the present utility model;

FIG. 2 is a schematic bottom view of a connection structure between a support and a rotary driving mechanism of a stage swivel chair according to the present utility model;

FIG. 3 is a schematic view of a connection structure between a mounting plate and a rotary driving mechanism of a stage swivel chair according to the present utility model;

fig. 4 is an enlarged schematic view of the stage swivel chair of fig. 1 at point a according to the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-4, an embodiment of the present utility model provides a stage swivel chair, comprising: the seat mechanism 2 is arranged at the top of the supporting mechanism 1, and the rotating driving mechanism 3 and the tensioning mechanism 4 are respectively provided with an inner cavity of the supporting mechanism 1; the supporting mechanism 1 comprises a mounting plate 101 arranged on a stage, a support 102 is movably connected to the top of the mounting plate 101, and a limiting piece 103 is arranged between the mounting plate 101 and the support 102; the rotation driving mechanism 3 comprises a support column 301 which is rotationally connected to the center of the top of the mounting plate 101, the top of the support column 301 is fixedly connected with the center of the top of the inner cavity of the support seat 102, the surface of the support column 301 is fixedly connected with a driven belt pulley 302, the top of the mounting plate 101 is provided with a first motor 303, an output shaft of the first motor 303 is fixedly connected with a driving belt pulley 304, and the first motor 303 is connected with the driven belt pulley 302 through belt transmission.

The seat mechanism 2 includes a leg 201 fixedly connected to the top of the seat 102, and a seat body 202 is mounted on the top of the leg 201. In use, the first motor 303 is started, so that the support 102 and the seat mechanism 2 can be driven to rotate synchronously, and the seat mechanism 2 can rotate around the support 301.

The limiting member 103 includes an upper groove 1031 formed at the bottom of the support 102, an inner cavity of the upper groove 1031 is rotatably connected with a roller 1032, and a lower groove 1033 for the roller 1032 to roll is formed at the top of the mounting plate 101. By using the upper groove 1031, the roller 1032 and the lower groove 1033 in combination, the friction between the mounting plate 101 and the support 102 can be reduced, and the flexibility of the support 102 during rotation can be effectively improved.

The rollers 1032 are at least eight in annular equidistant distribution in the inner cavity of the upper groove 1031 with the central axis of the support 102 as the axis.

Wherein, the surface of the roller 1032 is provided with a caulking groove 1034, and the inner cavity of the caulking groove 1034 is embedded with a rubber ring 1035. The use of the caulking groove 1034 and the rubber ring 1035 can reduce noise, and can provide a certain friction damping effect, so that the roller 1032 is more stable in use and the service life is prolonged. The upper and lower grooves 1031, 1033 and the caulking groove 1034 are all in a ring-shaped structure.

Wherein, tensioning mechanism 4 includes fixed plate 401 fixedly connected with mounting panel 101 top, and one side rotation of fixed plate 401 is connected with horizontal screw rod 402, and the surface threaded connection of screw rod 402 has swivel nut 403, and the bottom of swivel nut 403 is laminated with the top of mounting panel 101, utilizes the top of mounting panel 101 to play spacing effect to swivel nut 403 for swivel nut 403 can follow the axial direction horizontal migration of screw rod 402, and the top fixedly connected with movable column 404 of swivel nut 403, the top rotation of movable column 404 is connected with the take-up pulley 405 that contacts with the belt. When the screw 402 rotates, the tensioning wheel 405 can be driven to horizontally move along the central axis of the screw 402, so that the tightness of the belt is adjusted, the tightness of the belt is always maintained in an optimal state, the service life of the belt is prolonged, the efficiency of power transmission is improved, and the rotary driving mechanism 3 is ensured to maintain a normal and efficient working state for a long time.

Wherein, a second motor 406 capable of driving the screw 402 to rotate is installed on the top of the mounting plate 101. Utilize second motor 406 can realize the automatically regulated of belt elasticity, need not the manual regulation rate of tension, improve the convenience that rotation actuating mechanism 3 used.

The top of the support 102 is provided with an LED display 5, and one side of the LED display 5 is fixedly connected with the backrest of the seat body 202. The LED display 5 is used to display a photo or real-time video of the teacher.

Example 2

Referring to fig. 1, the stage swivel chair provided in this embodiment is different from embodiment 2 in that: the top of support 102 is equipped with and is used for controlling seat mechanism 2 pivoted control platform 6, and control platform 6 includes the branch 601 of fixed connection in support 102 top, and operation panel 602 is installed at the top of branch 601, is equipped with the control button that can with first motor 303 electric connection on the operation panel 602. By using the console 6, a teacher sits on the seat body 202, and can rotate the seat mechanism 2 according to his own mind, so that a stage effect can be exhibited more effectively. For improving stage expressive force, all be equipped with LED strip lamp on supporting mechanism 1, seat mechanism 2, LED display screen 5 and control the platform 6, and then show stage effect that can be fine.

It should be noted that, by using the conventional control technique and control method, the first motor 303 and the second motor 406 of the stepper motor connected to the MCU control unit can rotate in a manner of a preset number of rotations, rotation speed and rotation angle. The control technique is an existing control technique, and is not described in detail in this technical scheme.

It should be noted that, the first motor 303 and the second motor 406 both use stepper motors, so that the functions of stopping at any position and rotating forward and backward can be realized.

The working principle of the utility model is as follows: a teacher sits on the seat body 202 and faces away from the stage, so that the LED display screen 5 faces the stage, the photo or real-time video of the teacher is displayed on the LED display screen 5, the stage effect is improved, when a teacher's cardiologist pushes down an operation button on the operation table 602, the first motor 303 can be started, the output shaft of the first motor 303 drives the driving pulley 304 to rotate, the driving pulley 304 drives the driven pulley 302 to rotate through a belt, the driven pulley 302 drives the support 301 to rotate, the support 301 drives the support 102, the support legs 201, the seat body 202, the LED display screen 5 and the operation table 6 to synchronously rotate by taking the support 301 as an axis, the support 102 drives the upper groove 1031, the roller 1032, the caulking groove 1034 and the rubber ring 1035 to synchronously rotate, the roller 1032 rolls in the inner cavity of the lower groove 1033, the teacher can face the stage, and the LED display screen 5 faces the audience seat, and after the operation button on the operation table 602 is pushed down again, the seat mechanism 2 can be reset, and next performance is performed; the second motor 406 is started, the output shaft of the second motor 406 drives the screw 402 to rotate, the screw 402 drives the screw sleeve 403 to horizontally move along the axial direction of the screw 402, and the screw sleeve 403 drives the movable column 404 and the tensioning wheel 405 to synchronously move, so that the tension of the belt can be adjusted.

None of the utility models are related to the same or are capable of being practiced in the prior art. Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A stage swivel chair, comprising:

2. A stage swivel chair according to claim 1, wherein: the seat mechanism comprises supporting legs fixedly connected to the tops of the supports, and the tops of the supporting legs are provided with seat bodies.

3. A stage swivel chair according to claim 2, wherein: the limiting piece comprises an upper groove formed in the bottom of the support, the inner cavity of the upper groove is rotationally connected with the roller, and a lower groove for the roller to roll is formed in the top of the mounting plate.

4. A stage swivel chair according to claim 3, wherein: the inner cavity of the upper groove of the roller is provided with at least eight rollers which are distributed in an annular equidistant mode by taking the central axis of the support as the axis.

5. A stage swivel chair according to claim 3, wherein: the surface of gyro wheel has seted up the caulking groove, the inner chamber of caulking groove inlays and is equipped with the rubber circle.

6. A stage swivel chair according to claim 1, wherein: the tensioning mechanism comprises a fixed plate fixedly connected to the top of the mounting plate, a screw is rotationally connected to one side of the fixed plate, a threaded sleeve is connected to the surface of the screw in a threaded manner, a movable column is fixedly connected to the top of the threaded sleeve, and a tensioning wheel contacted with a belt is rotationally connected to the top of the movable column.

7. A stage swivel chair according to claim 5, wherein: the top of mounting panel is installed and is driven screw rod pivoted second motor.

8. A stage swivel chair according to claim 2, wherein: the LED display screen is installed at the top of support, one side of LED display screen and the back department fixed connection of seat body.