Centrifugal clutch
By designing a centrifugal clutch that uses external forces to control the lock position, the problem of easy wear of the friction plate of the traditional friction clutch is solved, achieving a longer service life and lower maintenance frequency.
Patent Information
- Application Number
- CN202421017195.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-11
- Publication Date
- 2025-05-20
- Estimated Expiration
- 2034-05-11
AI Technical Summary
The friction plates in traditional friction clutches are prone to wear, resulting in short service life and frequent maintenance.
A centrifugal clutch is designed to control the rotation of the rotating block through external forces of machinery and vehicles, so that the lock head is inserted into the lock groove, thereby integrating the transmission block with the alien wheel to realize power transmission. The device controls the position of the lock head through external forces, avoiding direct wear of the friction plate.
It effectively overcomes the problem of easy wear of the friction plate of the traditional friction clutch, extends the service life, reduces the maintenance frequency, and improves the reliability of the clutch.
Smart Images
Figure CN222887158U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of clutches, in particular to a centrifugal clutch. Background Technique
[0002] Clutches are widely used in mechanical and vehicle transmissions. Ordinary clutches are mostly friction clutches. By applying an external force to press the pressure plate against the friction plate, the purpose of power transmission is achieved. In actual applications, the friction plate is prone to wear. Content of the Utility Model
[0003] The purpose of this part is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Simplifications or omissions may be made in this part, as well as in the abstract of the specification and the title of the utility model of this application, to avoid obscuring the purpose of this part, the abstract of the specification, and the title of the utility model. However, such simplifications or omissions shall not be used to limit the scope of the utility model.
[0004] In view of the above and / or problems existing in a centrifugal clutch, the present utility model is proposed.
[0005] Therefore, the purpose of the present utility model is to provide a centrifugal clutch. When using this device, the external force of the machine and vehicle controls the rotation of the rotating block, so that the lock head is inserted into the lock groove, thereby connecting the transmission block and the outer star wheel as a whole. Then, when the driving shaft rotates, the power can be transmitted to the driven wheel. By controlling the position of the lock head with an external force, the function of the centrifugal clutch is realized, overcoming the problem that the friction plate of the traditional friction clutch is prone to wear.
[0006] To solve the above technical problems, according to one aspect of the present utility model, the following technical solutions are provided:
[0007] A centrifugal clutch, comprising:
[0008] A transmission assembly, including a driving shaft, a transmission block fixed on the driving shaft, a driven shaft located on the side of the driving shaft, and an outer star wheel fixed on the driven shaft. The outer star wheel is sleeved outside the transmission block;
[0009] A clutch assembly, including a cylinder fixed on the outer wall of the transmission block, a rotating block arranged on the top of the transmission block and capable of rotating relative to the cylinder, a clamping strip fixed on the rotating block, and a clamping groove opened on the inner wall of the outer star wheel.
[0010] As a preferred solution of a centrifugal clutch according to the present utility model, a mounting hole is opened on the rotating block, a scroll spring is fixed on the cylinder, and the other end of the scroll spring is fixed on the inner wall of the mounting hole.
[0011] As a preferred solution of a centrifugal clutch according to the present utility model, a limiting groove is provided on the outer wall of the engaging strip, and a limiting post adapted to the limiting groove is fixed on the driving block.
[0012] As a preferred solution of a centrifugal clutch according to the present utility model, a lock head is fixed at the outer end of the engaging strip.
[0013] As a preferred solution of a centrifugal clutch according to the present utility model, a clamping block is fixed in the clamping groove, and a locking groove adapted to the lock head is fixed on the inner wall of the clamping block.
[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows: when using this device, the external force of the machine and the vehicle controls the rotation of the rotating block, so that the lock head is inserted into the locking groove, thereby connecting the driving block and the outer star wheel as a whole. Then when the driving shaft rotates, the power can be transmitted to the driven wheel. By controlling the position of the lock head with an external force, the function of the centrifugal clutch is realized, overcoming the problem that the friction plate of the traditional friction clutch is easily worn. Description of the Drawings
[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the present utility model will be described in detail below in conjunction with the drawings and detailed embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts. Among them:
[0016] Figure 1 It is a schematic diagram of the overall structure of a centrifugal clutch of the present utility model;
[0017] Figure 2 It is a schematic diagram of the structure of the outer star wheel of a centrifugal clutch of the present utility model;
[0018] Figure 3 It is a sectional view of the outer star wheel of a centrifugal clutch of the present utility model;
[0019] Figure 4 It is a schematic diagram of the structure of the clutch assembly of a centrifugal clutch of the present utility model. Detailed Embodiments
[0020] In order to make the above objects, features and advantages of the present utility model more obvious and understandable, the following detailed description of the specific embodiments of the present utility model will be made in conjunction with the drawings.
[0021] Secondly, the present utility model will be described in detail with reference to the schematic diagrams. When describing the embodiments of the present utility model in detail, for the convenience of explanation, the cross-sectional views showing the device structure will be enlarged locally not in accordance with the general ratio, and the schematic diagrams are only examples and should not limit the scope of protection of the present utility model herein. In addition, in actual production, three-dimensional spatial dimensions including length, width, and depth should be included.
[0022] To make the objectives, technical solutions, and advantages of the present utility model clearer, the embodiments of the present utility model will be further described in detail below with reference to the accompanying drawings.
[0023] The present utility model provides a centrifugal clutch. When using this device, the external force of the machine and vehicle controls the rotation of the rotating block, so that the lock head is inserted into the lock groove, thereby connecting the transmission block and the outer star wheel as a whole. Then when the driving shaft rotates, the power can be transmitted to the driven wheel. By controlling the position of the lock head with an external force, the function of the centrifugal clutch is realized, overcoming the problem that the friction plate of the traditional friction clutch is easily worn.
[0024] Figures 1-4 Shown is a schematic diagram of the overall structure of an embodiment of a centrifugal clutch of the present utility model. Please refer to Figures 1-4 In this embodiment of the centrifugal clutch, its main part includes a transmission assembly 100 and a clutch assembly 200.
[0025] The transmission assembly 100 is used to transmit the power of the machine or vehicle, and includes a driving shaft 110, a transmission block 120 fixed on the driving shaft 110, a driven shaft 130 located on the side of the driving shaft 110, and an outer star wheel 140 fixed on the driven shaft 130. The outer star wheel 140 is sleeved outside the transmission block 120.
[0026] The clutch assembly 200 is used to connect or close the power transmission channel of the machine or vehicle, and includes a cylinder 210 fixed on the outer wall of the transmission block 120, a rotating block 220 arranged on the top of the transmission block 120 and capable of rotating relative to the cylinder 210, a clamping strip 230 fixed on the rotating block 220, and a clamping groove 240 opened on the inner wall of the outer star wheel 140. An installation hole 220a is opened on the rotating block 220, a volute spring 210a is fixed on the cylinder 210, and the other end of the volute spring 210a is fixed on the inner wall of the installation hole 220a. A limiting groove 230a is opened on the outer wall of the clamping strip 230, and a limiting post 230b adapted to the limiting groove 230a is fixed on the transmission block 120. A lock head 230c is fixed at the outer end of the clamping strip 230, a clamping block 250 is fixed in the clamping groove 240, and a lock groove 250a adapted to the lock head 230c is fixed on the inner wall of the clamping block 250.
[0027] Combined with Figures 1-4, A centrifugal clutch according to this embodiment is used as follows: When using this device, the external force of the machine and vehicle controls the rotation of the rotating block 220, causing the scroll spring 210a to rotate, and making the lock head 230c insert into the lock groove 250a, so that the transmission block 120 and the outer star wheel 140 are integrated. Then, when the driving shaft 110 rotates, the power can be transmitted to the driven wheel 130. By controlling the position of the lock head 230c through external force, the function of the centrifugal clutch is realized, overcoming the problem that the friction plates of traditional friction clutches are easily worn.
[0028] Although the present invention has been described above with reference to the embodiments, various improvements can be made to it and its components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention can be combined with each other in any way. The exhaustive description of these combinations is not given in this specification only for the sake of saving space and resources. Therefore, the present invention is not limited to the specific embodiments disclosed in the text, but includes all technical solutions falling within the scope of the claims.
Claims
1. A centrifugal clutch, characterized in that: include: A transmission assembly (100) comprising a driving shaft (110), a transmission block (120) fixed on the driving shaft (110), a driven shaft (130) located on the side of the driving shaft (110), and an outer planetary wheel (140) fixed on the driven shaft (130), wherein the outer planetary wheel (140) is sleeved on the outside of the transmission block (120); The clutch assembly (200) comprises a cylinder (210) fixed to the transmission block (120) on the outer wall, a rotating block (220) arranged on the top of the transmission block (120) and rotatable relative to the cylinder (210), a locking strip (230) fixed to the rotating block (220), and a locking groove (240) provided on the inner wall of the outer star wheel (140).
2. A centrifugal clutch according to claim 1, characterized in that: The rotating block (220) is provided with a mounting hole (220a), a spiral spring (210a) is fixed on the cylinder (210), and the other end of the spiral spring (210a) is fixed on the inner wall of the mounting hole (220a).
3. A centrifugal clutch according to claim 1, characterized in that: A limiting groove (230a) is provided on the outer wall of the locking strip (230), and a limiting column (230b) adapted to the limiting groove (230a) is fixed on the transmission block (120).
4. A centrifugal clutch according to claim 1, characterized in that: A lock head (230c) is fixed to the outer end of the locking strip (230).
5. A centrifugal clutch according to claim 4, characterized in that: A clamping block (250) is fixed in the clamping groove (240), and a locking groove (250a) adapted to the locking head (230c) is fixed on the inner wall of the clamping block (250).