CN215689213U - Rotating structure of rotating chair - Google Patents

Abstract

A rotating structure of a rotating chair comprises a chair body, an installation supporting seat and a rotating mechanism, wherein the rotating mechanism comprises a rotating shaft, a movable stretching block and a driving device, the chair body is rotatably arranged on the installation supporting seat through the rotating shaft, the front end of the movable stretching block is provided with a drag hook, and the bottom of the chair body is provided with a convex block corresponding to the drag hook; the utility model provides a swivel chair revolution mechanic of this scheme design, the seat body is provided with the lug that the drag hook caught the seat body bottom through the tensile piece of activity, can take the seat to rotate round the pivot when the tensile piece of activity is translated under drive arrangement's effect, this revolution mechanic makes the seat rotate the process level and smooth stable, set up position inductive switch in the stroke range of the tensile piece of activity simultaneously and restrict the rotation stroke of seat body, the seat rotates the process operation stably, structural design is simple ingenious, and has very high practical value.

Description

Rotating structure of rotating chair

Technical Field

The utility model belongs to the technical field of structural design of a rotary chair, and particularly relates to a rotary structure of a rotary chair.

Background

The chair is provided with a rotating structure in a common mode, the application field is very wide, and the rotating mode can be divided into automatic and manual modes; and set up slewing mechanism also comparatively common on the wheelchair, slewing mechanism that sets up on the conventional wheelchair generally all is through the pivot lug connection who sets up the motor and directly with the seat body, and seat stability is very poor when rotating like this, and the rotation degree of seat is not controlled well simultaneously, and to a great extent influences user's use and experiences.

Therefore, there is a need to design a swivel chair swivel structure to solve the above technical problems.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model aims to provide a rotating structure of a rotating chair.

In order to achieve the above objects and other related objects, the present invention provides the following technical solutions: the utility model provides a rotate chair revolution mechanic, includes seat body, erection bracing seat and slewing mechanism, slewing mechanism includes pivot, the tensile piece of activity and drive arrangement, the seat body passes through the pivot rotationally sets up on the erection bracing seat, the front end of the tensile piece of activity is provided with the drag hook, the bottom of seat body be provided with the lug that the drag hook corresponds.

Preferably, the driving device comprises a motor, a gear is sleeved on an output shaft of the motor, and a rack meshed with the gear is arranged on the movable stretching block.

Preferably, a sliding groove is formed in the movable stretching block, a raised positioning block is fixedly arranged on the installation supporting seat, and the positioning block is arranged in the sliding groove.

Preferably, the installation supporting seat is provided with two bilateral symmetry induction devices, an induction block is arranged between the strokes of the two induction devices, and the induction block is fixedly installed on the stretching block.

The structural features of the above solution are explained as follows:

the seat body is provided with the lug that the drag hook caught seat body bottom through activity on the tensile piece, can take the seat to rotate round the pivot when the tensile piece of activity translation under drive arrangement's effect.

The translation of activity stretching piece mainly realizes through driving motor's rotation, installs the gear in the pivot of motor, sets up the rack at activity stretching piece, can drive the rack through the rotation of gear and remove to make the translation about the activity stretching piece.

The sliding groove and the positioning block are matched to play a limiting role in the movable stretching block, and the movable stretching block is prevented from shaking up and down when moving horizontally left and right.

The response piece can move between two induction system along with the tensile piece of activity, and when response piece removed to one of them induction system department, induction system sent sensing signal, and the motor stall can restrict the rotation stroke of seat like this.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

the rotating chair rotating structure has the advantages that the seat rotating process is smooth and stable, the position sensing switch is arranged in the stroke range of the movable stretching block to limit the rotating stroke of the seat body, the seat rotating process is stable in operation, the structure design is simple and ingenious, and the rotating chair rotating structure has high practical value.

Drawings

Fig. 1 is a schematic view of the overall structure of the rotating seat.

FIG. 2 is an enlarged view of a part of the mechanism of the rotary seat

Fig. 3 is a schematic view of a rotating mechanism.

In the above figures, the seat body 1, the mounting support base 2, the rotating shaft 3, the movable stretching block 4, the draw hook 5, the bump 6, the motor 7, the gear 8, the rack 9, the sliding groove 10, the positioning block 11, the sensing device 12 and the sensing block 13.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

Please refer to fig. 1 to fig. 3. It should be understood that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which the products of the present invention are usually placed in when used, which is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should be further noted that, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, and a communication between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 3, a rotating structure of a rotating chair comprises a chair body 1, a mounting support base 2 and a rotating mechanism, wherein the rotating mechanism comprises a rotating shaft 3, a movable stretching block 4 and a driving device, the chair body 1 is rotatably arranged on the mounting support base 2 through the rotating shaft 3, a drag hook 5 is arranged at the front end of the movable stretching block 4, and a convex block 6 corresponding to the drag hook 5 is arranged at the bottom of the chair body 1; the seat body 1 is provided with a convex block 6 for hooking the bottom of the seat body 1 through a draw hook 5 on the movable stretching block 4, and the seat can be driven to rotate around the rotating shaft 3 when the movable stretching block 4 translates under the action of the driving device.

The preferred embodiment is as follows:

the driving device comprises a motor 7, a gear 8 is sleeved on an output shaft of the motor 7, and a rack 9 meshed with the gear 8 is arranged on the movable stretching block 4; the seat body 1 is provided with a convex block 6 for hooking the bottom of the seat body 1 through a draw hook 5 on the movable stretching block 4, and the seat can be driven to rotate around the rotating shaft 3 when the movable stretching block 4 translates under the action of the driving device.

A sliding groove 10 is formed in the movable stretching block 4, a raised positioning block 11 is fixedly arranged on the mounting support seat 2, and the positioning block 11 is arranged in the sliding groove 10; the sliding groove 10 and the positioning block 11 are matched to limit the movable stretching block 4, so that the movable stretching block is prevented from shaking up and down during horizontal movement.

The mounting and supporting seat 2 is provided with two bilaterally symmetrical induction devices 12, an induction block 13 is arranged between the strokes of the two induction devices 12, and the induction block 13 is fixedly mounted on the stretching block; the induction block 13 moves between the two induction devices 12 along with the movable stretching block 4, when the induction block 13 moves to one of the induction devices 12, the induction device 12 sends an induction signal, and the motor 7 stops rotating, so that the rotating stroke of the seat can be limited.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (4)

1. The utility model provides a swivel chair rotating-structure which characterized in that: including seat body, erection bracing seat and slewing mechanism, slewing mechanism includes pivot, the tensile piece of activity and drive arrangement, the seat body passes through the pivot rotationally sets up on the erection bracing seat, the front end of the tensile piece of activity is provided with the drag hook, the bottom of seat body be provided with the lug that the drag hook corresponds.

2. A swivel chair swivel structure as claimed in claim 1, wherein: the driving device comprises a motor, a gear is sleeved on an output shaft of the motor, and a rack meshed with the gear is arranged on the movable stretching block.

3. A swivel chair swivel structure as claimed in claim 2, wherein: the movable stretching block is provided with a sliding groove, the mounting support seat is fixedly provided with a raised positioning block, and the positioning block is arranged in the sliding groove.

4. A swivel chair swivel structure as claimed in claim 3, wherein: the device is characterized in that two bilateral symmetry induction devices are arranged on the mounting and supporting seat, an induction block is arranged between the strokes of the two induction devices, and the induction block is fixedly mounted on the stretching block.

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