CN2434472Y - Moment limitted friction type coupling - Google Patents
Moment limitted friction type coupling Download PDFInfo
- Publication number
- CN2434472Y CN2434472Y CN 00248187 CN00248187U CN2434472Y CN 2434472 Y CN2434472 Y CN 2434472Y CN 00248187 CN00248187 CN 00248187 CN 00248187 U CN00248187 U CN 00248187U CN 2434472 Y CN2434472 Y CN 2434472Y
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- CN
- China
- Prior art keywords
- connecting arm
- utility
- holes
- model
- rectangular slide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a moment limited friction type coupling, comprising a coupling wheel, a machine core, a friction block, a connecting arm and a positioning pin. The utility model is characterized in that at least two rectangular slide holes are symmetrically arranged on the machine core, and the bottoms of the rectangular slide holes are communicated with the holes of a spline shaft; the cross-sectional shape of the connecting arm is matched with the rectangular slide holes, and the bottom surface of the connecting arm is a concave surface. The utility model has the advantages that a rectangular groove with a solid bottom on the machine core is changed into the rectangular slide holes which are communicated with the holes of the spline shaft, and the connecting arm is extended, so that the operating stability can be increased, and the processing can be easier; the processing of a tension spring or a pressing spring and the connecting pieces thereof are omitted, so that the production cost can be reduced.
Description
The utility model relates to the shaft coupling transmission device, a kind of especially limit square friction coupling device.
Advanced at present limit square friction coupling device, form by friction wheel, movement, brake pad etc., the link arm that one trapezoidal or rectangle is arranged on brake pad, on movement, have three sliding-grooves that match with link arm at least, the hole of having strong market potential on the connecting wall, one locating stud is arranged in the pin-and-hole, and the locating stud two ends are fixed on the coupling wheel, have extension spring or stage clip control that the brake pad face is contacted with the coupling wheel face all the time between movement and brake pad in addition.This coupling is the real end because of the rectangle on the movement or trapezoidal sliding-groove, with extension spring or stage clip the brake pad face contact all the time with the coupling wheel simultaneously, the cost of production height, and processing is required great effort.
The limit square friction coupling device that the purpose of this utility model is a kind of easy processing of design, cost of production is low.
Task of the present utility model is finished as follows, it includes coupling wheel, movement, brake pad, link arm and locating stud, it is characterized in that: be arranged with the rectangle slide opening that two bottoms communicate with the spline axis hole on the movement at least, the shape of cross section of link arm matches with the rectangle slide opening, and its bottom surface is a concave surface.
The utility model changes the rectangle groove of the real end on the movement into communicate with the spline axis hole rectangle slide opening, has prolonged link arm length, easy processing, and the processing of having saved extension spring or stage clip and link thereof has again increased working stability, has reduced cost of production.
Fig. 1 is a structural representation of the present utility model.
The drawing explanation: 1. 2. brake pads, 3. link arms, 4. locating studs, 5. rectangle slide openings, 6. movements are taken turns in coupling
Further describe embodiment in conjunction with above accompanying drawing, as shown in Figure 1, on movement 6, be symmetrically arranged with two rectangle slide openings 5 that communicate with the spline axis hole with upper bottom portion, brake pad 2 is fixed on the link arm 3, and the shape of cross section of link arm 3 matches with rectangle slide opening 5, and its lower surface is concave surface preferably, like this, can increase the length of link arm to greatest extent, reduce rocking when sliding up and down, save the processing of extension spring or stage clip and link thereof again.When remaining static, rectangle link arm 3 on the brake pad 2 has being limited in the rectangle slide opening 5 of certain interval up and down by locating stud 4, its lower end and splined shaft keep certain clearance, take turns with coupling above the brake pad 2 and contact or keep certain distance, when prime mover started, brake pad 2 all was pressed on the coupling wheel 1 by action of centrifugal force, and its frictional force increases with the increase of pressure, when reaching certain pressure, promptly drive working machine and start to work.Because of the starting time shorter, transient time is fast, adds that brake pad has certain elasticity, impact force can not cause damage to coupling wheel and working machine.
Claims (2)
1, limit square friction coupling device, it includes coupling wheel, movement, brake pad, link arm and pin, it is characterized in that: be arranged with the rectangle slide opening that at least two bottoms communicate with the spline axis hole on the movement, the shape of cross section of link arm matches with the rectangle slide opening.
2, limit square friction coupling device according to claim 1, it is characterized in that: the bottom surface of its link arm is a concave surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00248187 CN2434472Y (en) | 2000-08-23 | 2000-08-23 | Moment limitted friction type coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00248187 CN2434472Y (en) | 2000-08-23 | 2000-08-23 | Moment limitted friction type coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2434472Y true CN2434472Y (en) | 2001-06-13 |
Family
ID=33606900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00248187 Expired - Fee Related CN2434472Y (en) | 2000-08-23 | 2000-08-23 | Moment limitted friction type coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2434472Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105492792A (en) * | 2013-09-11 | 2016-04-13 | 斯凯孚公司 | Friction coupling |
-
2000
- 2000-08-23 CN CN 00248187 patent/CN2434472Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105492792A (en) * | 2013-09-11 | 2016-04-13 | 斯凯孚公司 | Friction coupling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20010613 |