CN205605689U - Centrifugal clutch with wearing and tearing alarming function - Google Patents
Centrifugal clutch with wearing and tearing alarming function Download PDFInfo
- Publication number
- CN205605689U CN205605689U CN201620392797.9U CN201620392797U CN205605689U CN 205605689 U CN205605689 U CN 205605689U CN 201620392797 U CN201620392797 U CN 201620392797U CN 205605689 U CN205605689 U CN 205605689U
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- CN
- China
- Prior art keywords
- rotor
- centrifugal
- friction disc
- screw
- friction plate
- Prior art date
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- Expired - Fee Related
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- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
The utility model discloses a centrifugal clutch with wearing and tearing alarming function, including driving shaft, rotor and shell, rotor circumference equipartition has two at least first archs, and every first high spot is equipped with the second arch, and the second arch is equipped with the centrifugation piece outward, and centrifugation piece department is equipped with the friction disc, and the friction disc adopts the screw to be connected with the centrifugation piece, has offered first recess on the friction disc, and the head of screw lies in the first recess of friction disc, still is equipped with the extension spring between centrifugation piece and the rotor. The utility model discloses an effect is: through set up the screw in friction disc department, adopt the screw to connect friction disc and centrifugation piece on the one hand, when on the other hand weares and teares to the predetermined value when the friction disc, the screw will and then send the noise with the shell contact, thus this scheme can be when the friction disc weares and teares to a definite value timely effectual the change to the effectual solution because the problem of the centrifugal clutch decline that the friction disc wearing and tearing lead to.
Description
Technical field
This utility model relates to centrifugal clutch, a kind of centrifugal clutch with abrasion warning function.
Background technology
Centrifugal clutch is the clutch that a kind of centrifugal force relying on centrifugal body to produce reaches to be automatically separated or combine; centrifugal clutch arrangement is simple, compact dimensions; just can control its combination by controlling the rotating speed of power transmission shaft or separate; without special operating mechanism; after overload, centrifugal clutch also can skid automatically; there is safeguard protection effect, be therefore widely used a kind of clutch on engineering goods.
Centrifugal clutch is the transmission that frictionally frictional force between sheet and driven member realizes torque, therefore friction plate is in use for some time, will appear from wear phenomenon, when friction disc wear to a certain extent time, the frictional behaviour of friction plate will decline, if now can not the most more renewal of facing renewal, the serviceability causing centrifugal clutch is declined.
Utility model content
This utility model is intended to provide one can change in time after friction disc wear, does not affect the centrifugal clutch with abrasion warning function that clutch normally uses.
The centrifugal clutch with abrasion warning function in this programme, including driving shaft, rotor and shell, driving shaft side is connected with external impetus axle, driving shaft opposite side is connected with rotor, rotor is arranged concentrically with shell, it is protruding that rotor circumference is evenly equipped with at least two first, it is protruding less than the second of the first projection that each first high spot is provided with width, second projection is externally provided with the centrifugal-block that can move back and forth along the second projection, friction plate it is provided with at centrifugal-block, friction plate and centrifugal-block use screw to be attached, the first groove is offered on friction plate, the head of screw is positioned at the first groove of friction plate, extension spring it is additionally provided with between centrifugal-block and rotor.
The principle of this programme is: external impetus axle drives driving shaft and rotor motion, when the rotating speed of driving shaft is less than synchronous rotational speed when clutch combines, friction plate is in released state with shell under the effect of extension spring, when speed of actively walking around reaches the synchronous rotational speed that clutch combines, friction plate overcomes the outside shell side of active force of extension spring to movement under the influence of centrifugal force, presses until friction plate and shell and transfers power to shell.
After clutch works a period of time, friction plate will produce certain abrasion, when friction disc wear reaches predetermined degree, the head being now placed in the screw in the first groove will protrude above friction plate, when friction plate is fitted with shell again, screw head will be fitted prior to friction plate and shell and send ear-piercing sound, thus reminds user the most more renewal of facing renewal.
The effect of this programme is: by arranging screw at friction plate, on the one hand screw is used friction plate and centrifugal-block to be attached, on the other hand when friction disc wear to predetermined value, screw will contact with shell and then make a noise, therefore this programme can be replaced timely and effectively when friction disc wear to certain value, does not interferes with the normal use of centrifugal clutch.
Further, in order to make clutch uniform force, in conjunction with steadily, the first projection is four that circumference is uniform.
Further, in order to increase the frictional force between friction plate and shell, improving the reliability of torque transmission, the outer wall arc radius of friction plate is equal to the inwall arc radius of shell.
Further, in order to realize being reliably connected and convenient disassembly between rotor and driving shaft, rotor is attached by flat key with driving shaft.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment.
Detailed description of the invention
Below by detailed description of the invention, this utility model is described in further detail:
Reference in Figure of description includes: driving shaft 1, rotor the 2, first projection the 3, second projection 4, friction plate 5, screw 6, centrifugal-block 7, extension spring 8, shell 9.
Embodiment is the most as shown in Figure 1: have the centrifugal clutch of abrasion warning function, including driving shaft 1, the side of driving shaft 1 is connected with external impetus axle, driving shaft 1 opposite side is attached by flat key with rotor 2, the shell 9 of clutch is arranged concentrically with rotor 2, and shell 9 is outside, including rotor 2.
Circumference at rotor 2 is evenly equipped with four the first projections 3, this first projection 3 is cylindrical structural, being additionally provided with the second projection 4 at each first protruding 3, the width of the second projection 4 is less than the width of the first projection 3, and the height of the second projection 4 is more than the height of the first projection 3.
Each second projection 4 is additionally provided with centrifugal-block 7, centrifugal-block 7 kink is in the second projection 4 and centrifugal-block 7 can move back and forth along the second projection 4, it is additionally provided with friction plate 5 towards the side of shell 9 at centrifugal-block 7, in order to make the frictional force between friction plate 5 and shell 9 maximum, the transmission effect of torque is best, and the outer wall arc radius of friction plate 5 is equal to the inwall arc radius of shell 9.
Friction plate 5 is further opened with the first groove and the second groove, first groove and the second groove communicate, the position relative with the second groove at centrifugal-block 7 offers screwed hole, screw 6 is transmitted through the first groove, the second groove and screwed hole successively, and after screw 6 installs, the head of screw 6 is positioned at the first groove.
Extension spring 8 it is additionally provided with between centrifugal-block 7 and rotor 2, extension spring 8 between each centrifugal-block 7 and rotor 2 is two, extension spring 8 one end is connected with rotor 2, extension spring 8 other end is connected with centrifugal-block 7, when driving shaft 1 not up to combines rotating speed, extension spring 8 makes friction plate 5 separate with shell 9, when driving shaft 1 reaches to combine rotating speed, centrifugal force suffered by centrifugal-block 7 makes it overcome the active force of extension spring 8, and band movable friction plate 5 moves to shell 9 direction, until friction plate 5 carries out the transmission of moment of torsion with the laminating of shell 9 inwall.
Above-described is only embodiment of the present utility model, and in scheme, the known general knowledge such as concrete structure and characteristic too much describes at this.Should be understood that; for a person skilled in the art, on the premise of without departing from this utility model structure, it is also possible to make some deformation and improvement; these also should be considered as protection domain of the present utility model, and these are all without affecting effect and the practical applicability that this utility model is implemented.The protection domain that this application claims should be as the criterion with the content of its claim, and the detailed description of the invention in description etc. records the content that may be used for explaining claim.
Claims (4)
1. a centrifugal clutch with abrasion warning function, including driving shaft, rotor and shell, described driving shaft side is connected with external impetus axle, described driving shaft opposite side is connected with described rotor, described rotor is arranged concentrically with described shell, it is characterized in that, it is protruding that described rotor circumference is evenly equipped with at least two first, it is protruding less than the second of described first projection that each described first high spot is provided with width, described second projection is externally provided with the centrifugal-block that can move back and forth along described second projection, it is provided with friction plate at described centrifugal-block, described friction plate and described centrifugal-block use screw to be attached, the first groove is offered on described friction plate, the head of described screw is positioned at the first groove of described friction plate, it is additionally provided with extension spring between described centrifugal-block and described rotor.
The centrifugal clutch with abrasion warning function the most according to claim 1, it is characterised in that: described first projection is four that circumference is uniform.
The centrifugal clutch with abrasion warning function the most according to claim 2, it is characterised in that: the outer wall arc radius of described friction plate is equal to the inwall arc radius of described shell.
The centrifugal clutch with abrasion warning function the most according to claim 3, it is characterised in that: described rotor is attached by flat key with described driving shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620392797.9U CN205605689U (en) | 2016-05-04 | 2016-05-04 | Centrifugal clutch with wearing and tearing alarming function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620392797.9U CN205605689U (en) | 2016-05-04 | 2016-05-04 | Centrifugal clutch with wearing and tearing alarming function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205605689U true CN205605689U (en) | 2016-09-28 |
Family
ID=56969154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620392797.9U Expired - Fee Related CN205605689U (en) | 2016-05-04 | 2016-05-04 | Centrifugal clutch with wearing and tearing alarming function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205605689U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107691005A (en) * | 2017-11-18 | 2018-02-16 | 周庆元 | Cutter for gardens pruning |
-
2016
- 2016-05-04 CN CN201620392797.9U patent/CN205605689U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107691005A (en) * | 2017-11-18 | 2018-02-16 | 周庆元 | Cutter for gardens pruning |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160928 Termination date: 20170504 |