CN204061448U - A kind of eccentric wheel locking device for catching device - Google Patents
A kind of eccentric wheel locking device for catching device Download PDFInfo
- Publication number
- CN204061448U CN204061448U CN201420458983.9U CN201420458983U CN204061448U CN 204061448 U CN204061448 U CN 204061448U CN 201420458983 U CN201420458983 U CN 201420458983U CN 204061448 U CN204061448 U CN 204061448U
- Authority
- CN
- China
- Prior art keywords
- brake pad
- sleeve pipe
- moving block
- eccentric wheel
- keyway
- 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
Links
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 239000004677 Nylon Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Braking Arrangements (AREA)
Abstract
The utility model discloses a kind of eccentric wheel locking device for catching device, the moving block comprising sleeve pipe and be placed in sleeve pipe and brake pad, described moving block and brake pad are cirque structure, and moving block and brake pad form complete eccentric wheel after combining, some sleeve pipe keyways have along the circumferential direction been evenly arranged inside described sleeve pipe, brake pad outer wall is provided with brake pad keyway, described internal surface of sleeve pipe is connected by key with brake pad, and described moving block is also provided with position limit pin with the junction of brake pad.The utility model by arranging sleeve pipe keyway on internal surface of sleeve pipe, and the brake pad keyway matched with sleeve pipe keyway is had in brake pad arranged outside, then by key, moving block is connected with brake pad, thus ensure reliable lock, also can not make to produce between sleeve pipe and brake pad to skid even if sleeve pipe and brake pad rub for a long time, make flexible rod lock firmly, sleeve pipe can not damage because the block length phase rubs with friction simultaneously.
Description
Technical field
The utility model belongs to locking device technical field, specifically relates to a kind of eccentric wheel locking device for catching device.
Background technique
At mechanical field, reliable in order to make component connect, usually can use locking device.Structure and the form of existing locking device are varied, in order to easy to operate, current most of locking mechanism have employed eccentric wheel locking form, the Chinese patent being CN 202336721 U as publication number discloses an a kind of Camlock device, it has a pressing plate, under pressing plate is arranged on worktable, a cover fixed by screw is had between pressing plate and worktable, the eccentric little axle of band is had in cover, eccentric wheel is towards the guide rail of lathe, the other end of little axle has a handle, although this Camlock device can arrive easy to operate, and the object that working efficiency is high.But in working long hours, along with the friction between eccentric wheel and cover, the excesssive gap between eccentric wheel and cover can be made and produce loosening, causing locking unreliable, this Camlock device to the locking of guide rail on lathe, can only not be suitable for and lock the product of band flexible rod simultaneously.
In order to arrive the object to flexible rod locking, the stuck object reaching locking that current normally employing internal eccentric is taken turns and inner tube wall rubs, as shown in Figure 1, the flexible rod locking of existing catching device is placed in the moving block 2 of sleeve pipe 1 and brake pad 4 to be combined to form eccentric wheel structure to reach object to flexible rod locking.But in use, the continuous rotation of careless brake pad 4, through rubbing for a long time, can cause to produce between brake pad 4 and sleeve pipe 1 and skidding, not easily locking.
Model utility content
For solving the problem, the utility model provides a kind of eccentric wheel locking device for catching device.
The utility model is achieved by following technical solution.
A kind of eccentric wheel locking device for catching device, the moving block comprising sleeve pipe and be placed in sleeve pipe and brake pad, described moving block and brake pad are cirque structure, and moving block and brake pad form complete eccentric wheel after combining, some sleeve pipe keyways have along the circumferential direction been evenly arranged inside described sleeve pipe, brake pad outer wall is provided with brake pad keyway, and described internal surface of sleeve pipe is connected by key with brake pad.
Described moving block is also provided with position limit pin with the junction of brake pad.
Be provided with gap between described moving block and brake pad, and gap is not less than the radius of position limit pin.
Four sleeve pipe keyways have along the circumferential direction been evenly arranged inside described sleeve pipe.
Described sleeve pipe and moving block all adopt stainless steel to make.
Described brake pad adopts stainless steel or nylon material to make.
The beneficial effects of the utility model are:
Compared with prior art, the utility model by arranging sleeve pipe keyway on internal surface of sleeve pipe, and the brake pad keyway matched with sleeve pipe keyway is had in brake pad arranged outside, then by key, moving block is connected with brake pad, thus ensure reliable lock, also can not make to produce between sleeve pipe and brake pad to skid even if sleeve pipe and brake pad rub for a long time, flexible rod is locked firmly.The utility model is connected cooperation by increasing on brake pad between groove with casing recess by key simultaneously, is not only convenient to the processing of brake pad, and has greatly saved material, and sleeve pipe and brake pad can not damage because rubbing for a long time simultaneously.
Accompanying drawing explanation
Fig. 1 is the flexible rod locking mechanism schematic diagram of traditional catching device;
Fig. 2 is the utility model structural representation;
Fig. 3 is the structural representation of the utility model middle sleeve;
Fig. 4 is the structural representation of moving block in the utility model;
Fig. 5 is the structural representation of brake pad in the utility model;
Fig. 6 is the A place enlarged diagram of Fig. 2.
In figure: 1-sleeve pipe, 2-moving block, 3-position limit pin, 4-brake pad, 5-key, 11-sleeve pipe keyway, 21-semicircle orifice, 41-brake pad keyway.
Embodiment
The technical solution of the utility model is further described below in conjunction with accompanying drawing, but described in claimed scope is not limited to.
As shown in Figures 1 to 5, a kind of eccentric wheel locking device for catching device described in the utility model, the moving block 2 comprising sleeve pipe 1 and be placed in sleeve pipe 1 and brake pad 4, described moving block 2 and brake pad 4 are cirque structure, and moving block 2 and brake pad 4 combine the complete eccentric wheel of rear formation, along the circumferential direction be evenly arranged some sleeve pipe keyways 11 inside described sleeve pipe 1, brake pad 4 outer wall is provided with brake pad keyway 41, described sleeve pipe 1 inwall is connected by key 5 with brake pad 4.In use, moving block 2 and brake pad 4 are combined rear installation and sleeve pipe 1 inside form eccentric wheel structure, the die cavity holding flexible rod is formed in eccentric wheel inside, and the brake pad keyway 41 on brake pad 4 is corresponding with the sleeve pipe keyway 11 inside sleeve pipe 1 after connected by key 5, then telescopic pipe is loaded in eccentric die cavity, by rotary motion block 2, make moving block 2 and brake pad 4 shape at a certain angle, thus realize the locking to flexible rod.Being connected by key owing to increasing keyway at eccentric wheel and internal surface of sleeve pipe, frictional force is increased, sleeve pipe 1 and brake pad 4 can being avoided simultaneously to damage because rubbing for a long time.
Described moving block 2 is also provided with position limit pin 3 with the junction of brake pad 4.Position limit pin 3 is for limiting the relative rotation position of moving block 2 and brake pad 4.
Be provided with gap between described moving block 2 and brake pad 4, and gap is not less than the radius of position limit pin 3.As shown in Figure 2, the gap d between moving block 2 and brake pad 4 is greater than the radius of position limit pin 3, so that mounting limit pin 3.
As shown in Figure 3, four sleeve pipe keyways 11 have along the circumferential direction been evenly arranged inside described sleeve pipe 1.Be uniformly distributed by four sleeve pipe keyways 11, and each sleeve pipe keyway 11 all can match with the brake pad keyway 41 on brake pad 4, realize locking function to be connected with brake pad 4 by moving block 2 by key 5, and uniform force, good stability.
Described sleeve pipe 1 and moving block 2 all adopt stainless steel to make.
Described brake pad 4 adopts stainless steel or nylon material to make.
Claims (6)
1. the eccentric wheel locking device for catching device, the moving block (2) comprising sleeve pipe (1) and be placed in sleeve pipe (1) and brake pad (4), it is characterized in that: described moving block (2) and brake pad (4) are cirque structure, and moving block (2) and brake pad (4) form complete eccentric wheel after combining, described sleeve pipe (1) inner side has along the circumferential direction been evenly arranged some sleeve pipe keyways (11), brake pad (4) outer wall is provided with brake pad keyway (41), described sleeve pipe (1) inwall is connected by key (5) with brake pad (4).
2. a kind of eccentric wheel locking device for catching device according to claim 1, is characterized in that: described moving block (2) junction that is upper and brake pad (4) is also provided with position limit pin (3).
3. a kind of eccentric wheel locking device for catching device according to claim 1, is characterized in that: be provided with gap between described moving block (2) and brake pad (4), and gap is not less than the radius of position limit pin (3).
4. a kind of eccentric wheel locking device for catching device according to claim 1, is characterized in that: described sleeve pipe (1) inner side has along the circumferential direction been evenly arranged four sleeve pipe keyways (11).
5. a kind of eccentric wheel locking device for catching device according to claim 1, is characterized in that: described sleeve pipe (1) and moving block (2) all adopt stainless steel to make.
6. a kind of eccentric wheel locking device for catching device according to claim 1, is characterized in that: described brake pad (4) adopts stainless steel or nylon material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420458983.9U CN204061448U (en) | 2014-08-14 | 2014-08-14 | A kind of eccentric wheel locking device for catching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420458983.9U CN204061448U (en) | 2014-08-14 | 2014-08-14 | A kind of eccentric wheel locking device for catching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204061448U true CN204061448U (en) | 2014-12-31 |
Family
ID=52202973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420458983.9U Expired - Fee Related CN204061448U (en) | 2014-08-14 | 2014-08-14 | A kind of eccentric wheel locking device for catching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204061448U (en) |
-
2014
- 2014-08-14 CN CN201420458983.9U patent/CN204061448U/en not_active Expired - Fee Related
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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: 20141231 |