CN212318524U

CN212318524U - Multi-plate clutch-plate type movable joint device

Info

Publication number: CN212318524U
Application number: CN202022212960.8U
Authority: CN
Inventors: 张国辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-07
Filing date: 2020-10-07
Publication date: 2021-01-08
Anticipated expiration: 2030-10-07

Abstract

The invention relates to a multi-piece clutch-plate type movable joint device, which is applied to movable joints of product supports such as fans/desk lamps/moxibustion instruments/pull rods/table and chair legs and is used for adjusting the angle of the supports, and the technical scheme of the invention is as follows: the multi-plate clutch mode is adopted, the clutch plate group is pressed through the pressure of the spring, so that a large friction force is generated between the clutch plates, the first rotating handle and the second rotating handle are locked, the spring is pushed open through the unlocking button, the pressure released by the clutch plate group loses the friction force, and the unlocking effect is achieved, and the multi-plate clutch has the beneficial effects that: due to the adoption of a multi-plate clutch mode, the locking torque is large, the movable joint can be kept at any rotating angle, the locking/unlocking is very convenient, the adaptability is strong, and the multi-plate clutch can be applied to most products needing the movable joint.

Description

Multi-plate clutch-plate type movable joint device

Technical Field

The invention relates to a multi-plate clutch plate type movable joint device which is applied to movable joints of product supports such as fans, table lamps, moxibustion instruments, pull rods, table and chair legs and is used for adjusting the angle of the supports.

Background

Some products with supports, such as fans/desk lamps/moxibustion instruments/pull rods and the like, need to adjust the connection angle, need to use movable joints, and the existing movable joints have gear type, one-way clutch type and the like, have advantages and disadvantages, and have different requirements on the structure and functional characteristics of the movable joints in different application fields.

Disclosure of Invention

The invention discloses a movable joint device with reliable and durable performance in a multi-plate clutch mode.

The clutch plate set comprises a first rotating handle, a second rotating handle, a clutch plate set, an unlocking button and a spring, wherein the clutch plate set comprises an outer ring clutch plate and an inner shaft clutch plate, the outer ring clutch plate and the inner shaft clutch plate are arranged in a multi-plate repeated crossing mode along an axis, the first rotating handle is meshed with the outer ring clutch plate and is not in contact with the inner shaft clutch plate, the second rotating handle is meshed with the inner shaft clutch plate and is not in contact with the outer ring clutch plate, the clutch plate set is pressed through the spring pressure, so that large friction force is generated between the clutch plates, the first rotating handle and the second rotating handle are locked, and the spring is pushed open through the unlocking button to enable the clutch plate set to release pressure and lose friction force.

The inner ring of the first rotating handle is arranged into a gear ring or a polygonal structure, so that the first rotating handle is conveniently meshed with the outer ring clutch plate.

The first rotating handle is meshed with the outer ring clutch plate in a gear ring mode or a polygonal mode, and the outer ring clutch plate can slide in the first rotating handle along the axis but cannot rotate.

The outer ring clutch plate is provided with an inner hole, the diameter of the inner hole is larger than that of the second rotating handle rotating shaft, and the outer ring clutch plate can freely rotate around the second rotating handle without contacting with the second rotating handle rotating shaft.

And the rotating shaft of the second rotating handle is arranged into a gear or a polygonal structure, so that the second rotating handle is conveniently meshed with the inner shaft clutch plate.

The second rotating handle is meshed with the inner shaft clutch plate in a gear ring mode or a polygonal mode, and the inner shaft clutch plate can slide on the second rotating handle along the axis but cannot rotate.

The outer edge of the inner shaft clutch plate is circular, and the diameter of the outer edge is smaller than the inner diameter of the first rotating handle, so that the inner shaft clutch plate can freely rotate around the first rotating handle without contacting with the inner ring of the first rotating handle.

The first rotating handle or the second rotating handle is provided with a pressure adjusting knob, the pressure adjusting knob is in contact with the spring, and the pressure of the spring is adjusted through the screwing depth of the pressure adjusting knob.

The second rotating handle is fixed with the rotating shaft through a screw, the first rotating handle is fixed with the washer through a screw, and the washer clamps the rotating shaft of the second rotating handle, so that the first rotating handle and the second rotating handle can rotate and cannot be separated.

The unlocking button is connected with a rotating shaft of the second rotating handle in an inverted buckling mode to prevent separation, the unlocking button penetrates through the rotating shaft of the second rotating handle to be in contact with the spring, and the spring can be pushed open by pressing the unlocking button.

The technical scheme of the invention is as follows: the multi-plate clutch mode is adopted, the clutch plate group is pressed through the pressure of the spring, so that large friction force is generated between the clutch plates, the first rotating handle and the second rotating handle are locked, the spring is pushed open through the unlocking button, the pressure released by the clutch plate group is lost, and the unlocking effect is achieved.

The invention has the beneficial effects that: due to the adoption of a multi-plate clutch mode, the locking torque is large, the movable joint can be kept at any rotating angle, the locking/unlocking is very convenient, the adaptability is strong, and the multi-plate clutch can be applied to most products needing the movable joint.

Drawings

The invention is further illustrated by the following figures and examples,

figure 1 is a perspective view of a movable joint,

figure 2 is a side view of a movable joint,

figure 3 is a perspective cross-sectional view of the movable joint,

figure 4 is a side sectional view of the movable joint,

FIG. 5 is a perspective view showing the connection between the first rotating handle and the clutch plate of the outer ring,

FIG. 6 is a sectional view showing the coupling of the first stem and the outer race clutch plate,

FIG. 7 is a sectional view showing the connection of the second rotating handle and the clutch plate of the inner shaft,

figure 8 is a perspective view of the clutch plate set and the unlock button,

FIG. 9 is a cross-sectional view of the clutch plate set and the unlock button.

The numbers in the figures are respectively: 1: a first stem; 2: a second stem; 3: an unlock button; 4: a pressure adjusting knob; 5: a gasket; 6: a second stem rotating shaft; 7: an unlock button; 8: an outer ring clutch plate; 9: an inner shaft clutch plate; 10: a spring; 11: a spring cover plate; 12: a pressure adjustment knob thread; 13: the unlocking button is reversely buckled.

Detailed Description

Exemplary embodiments of the present invention will be described in detail below with reference to the accompanying drawings. These exemplary embodiments are provided so that those skilled in the art can clearly understand the present invention and can implement the present invention according to the description herein. The drawings and detailed description are not intended to limit the invention, which is defined by the appended claims.

As shown in fig. 3 and 4, the unlocking mechanism is composed of a first rotating handle, a second rotating handle, a clutch plate group, an unlocking button and a spring, wherein the clutch plate group is divided into an outer ring clutch plate and an inner shaft clutch plate, the outer ring clutch plate and the inner shaft clutch plate are arranged in a multi-plate repeated crossing mode along an axis, the first rotating handle is meshed with the outer ring clutch plate and is not contacted with the inner shaft clutch plate, the second rotating handle is meshed with the inner shaft clutch plate and is not contacted with the outer ring clutch plate, the clutch plate group is pressed through the pressure of the spring, so that large friction force is generated between the clutch plates, the first rotating handle and the second rotating handle are locked, the clutch plate group is pushed through the unlocking button to push the spring, so that the pressure of the.

As shown in fig. 5 and 6, the inner ring of the first rotating handle is arranged into a gear ring or a polygonal structure, so as to be conveniently engaged with the clutch plate of the outer ring.

As shown in fig. 5 and 6, the first rotating handle is meshed with the outer ring clutch plate in a gear ring mode or a polygonal mode, and the outer ring clutch plate can slide along the axis in the first rotating handle but cannot rotate.

As shown in fig. 5 and 6, the outer ring clutch plate is provided with an inner hole, the diameter of the inner hole is larger than that of the second rotating handle rotating shaft, so that the outer ring clutch plate and the second rotating handle rotating shaft do not contact with each other and can freely rotate around the second rotating handle.

As shown in fig. 7, in the second rotating handle, the rotating shaft is arranged in a gear or polygonal structure, which is convenient to engage with the inner shaft clutch plate.

As shown in fig. 7, the second stem is engaged with the inner shaft clutch plate in a geared or polygonal manner, and the inner shaft clutch plate can slide on the second stem along the axis but cannot rotate.

As shown in figure 7, the outer edge of the inner shaft clutch plate is circular, and the diameter of the outer edge is smaller than the inner diameter of the first rotating handle, so that the inner shaft clutch plate can freely rotate around the first rotating handle without contacting with the inner ring of the first rotating handle.

As shown in fig. 3 and 4, the first rotating handle or the second rotating handle is provided with a pressure adjusting knob, the pressure adjusting knob is in contact with the spring, the pressure of the spring is adjusted by the screwing depth of the pressure adjusting knob, the first rotating handle and the second rotating handle can be connected in a wrapping mode as shown in fig. 3 and 4 or in a side contact mode, when the first rotating handle and the second rotating handle are connected in the side contact mode, the pressure adjusting knob is installed on the first rotating handle, and when the first rotating handle and the second rotating handle are connected in the wrapping mode as shown in fig. 3 and 4, the pressure adjusting knob is installed on the second rotating handle.

As shown in fig. 3, 4 and 7, the second rotating handle is fixed with the rotating shaft through a screw, the first rotating handle is fixed with a washer through a screw, and the washer clamps the rotating shaft of the second rotating handle, so that the first rotating handle and the second rotating handle can freely rotate and cannot be separated.

As shown in fig. 3 and 4, the unlocking button is connected with the rotating shaft of the second rotating handle in an inverted manner to prevent the unlocking button from being separated, the unlocking button passes through the rotating shaft of the second rotating handle to be in contact with the spring, and the spring can be pushed open by pressing the unlocking button.

As shown in fig. 3 and 4, the first rotating handle or the second rotating handle is in a normally locked state under the pressure of the spring, and when unlocking is required, the unlocking button is pressed to push the spring away, so that the clutch plate set releases pressure and loses friction force to achieve an unlocking effect.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and it will be understood by those skilled in the art that various changes and modifications may be made therein without departing from the spirit and scope of the invention.

Claims

1. A multi-plate clutch plate type movable joint device is characterized by comprising a first rotating handle, a second rotating handle, a clutch plate group, an unlocking button and a spring, wherein the clutch plate group is divided into an outer ring clutch plate and an inner shaft clutch plate, the outer ring clutch plate and the inner shaft clutch plate are arranged in a multi-plate repeated cross mode along an axis, the first rotating handle is meshed with the outer ring clutch plate and is not in contact with the inner shaft clutch plate, the second rotating handle is meshed with the inner shaft clutch plate and is not in contact with the outer ring clutch plate, the clutch plate group is pressed through the pressure of the spring, large friction force is generated between the clutch plates, the first rotating handle and the second rotating handle are locked, and the unlocking button pushes the spring to enable the clutch plate group to release pressure and lose friction force so as to achieve an.

2. The multi-plate clutch-plate type movable joint device according to claim 1, wherein the first rotating shaft, the inner ring is provided in a ring gear or a polygonal structure.

3. The multi-plate clutch plate type movable joint device according to claim 1, wherein the first stem is engaged with the outer ring clutch plate in a geared ring manner or a polygonal manner, and the outer ring clutch plate is slidable along the axis within the first stem but is not rotatable.

4. The multi-plate clutch plate type movable joint device according to claim 1, wherein the outer ring clutch plate is provided with an inner hole having a diameter larger than that of the second rotating-handle rotating shaft.

5. The multi-plate clutch-plate type movable joint device according to claim 1, wherein the second rotating handle, the rotating shaft is provided in a gear or a polygonal structure.

6. The multi-plate clutch plate type movable joint device according to claim 1, wherein the second stem is engaged with the inner shaft clutch plate in a geared ring manner or a polygonal manner, and the inner shaft clutch plate is slidable on the second stem along the axis but is not rotatable.

7. The multi-plate clutch plate type movable joint device according to claim 1, wherein the inner shaft clutch plate has a circular outer edge, and the diameter of the outer edge is smaller than the inner diameter of the first rotating handle.

8. The multi-plate clutch plate type movable joint device according to claim 1, wherein the first rotary handle or the second rotary handle is provided with a pressure adjusting knob, the pressure adjusting knob is in contact with the spring, and the pressure of the spring is adjusted by the depth of screwing the pressure adjusting knob.

9. The multi-plate clutch-plate type movable joint device according to claim 1, wherein the second rotating handle is fixed to the rotating shaft by a screw, the first rotating handle is fixed to a washer by a screw, and the washer locks the rotating shaft of the second rotating handle.

10. The multi-plate clutch-plate type movable joint device according to claim 1, wherein the unlocking button is connected with the rotation shaft of the second rotating handle in a reverse manner to prevent disengagement, and the unlocking button passes through the rotation shaft of the second rotating handle to contact the spring.