CN203670398U - Eccentric bolt mechanism - Google Patents
Eccentric bolt mechanism Download PDFInfo
- Publication number
- CN203670398U CN203670398U CN201320448434.9U CN201320448434U CN203670398U CN 203670398 U CN203670398 U CN 203670398U CN 201320448434 U CN201320448434 U CN 201320448434U CN 203670398 U CN203670398 U CN 203670398U
- Authority
- CN
- China
- Prior art keywords
- eccentric bolt
- eccentric
- screw rod
- opening slot
- bolt
- 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 provides an eccentric bolt mechanism and belongs to the technical field of fasteners. The eccentric bolt mechanism comprises an eccentric bolt and an eccentric gasket installed on the eccentric bolt. An open groove is formed in a threaded rod of the eccentric bolt. The eccentric gasket is provided with a through hole matched with the threaded rod of the eccentric bolt. The inner wall of the through hole is provided with a protruding edge corresponding to the open groove in shape. The protruding edge can slide in the open groove. According to the eccentric bolt mechanism, a tool is simple, the machining and locating precision is high, removed materials of the threaded rod of the eccentric bolt are reduced, the strength of the eccentric bolt and the connection strength between the eccentric bolt and a nut are improved, and the machining efficiency is improved.
Description
Technical field
The utility model relates to a kind of fastening piece, particularly relates to a kind of eccentric bolt mechanism.
Background technique
As shown in Figure 1, existing eccentric bolt mechanism comprises eccentric bolt 1 ' and eccentric washer 3 ', the screw rod upper surface of eccentric bolt 1 ' forms a plane 2 ' through cutting, eccentric washer 3 ' is provided with a through hole 4 ', the shape of cross section of this through hole 4 ' is corresponding with the shape of cross section of cutting place on screw rod, and eccentric washer 3 ' is plugged on the screw rod of eccentric bolt 1 ' by through hole 4 '.But existing this eccentric bolt mechanism's eccentric washer and eccentric bolt assembling post gap are larger, eccentric washer is easily movable, the screw rod upper surface of eccentric bolt is removed too many, affect the join strength of eccentric bolt intensity and eccentric bolt and nut, and eccentric bolt processing needs cutting material, frock complexity.
Model utility content
The purpose of this utility model is to provide a kind of eccentric bolt mechanism, and its frock is simple, and setting accuracy on work is high, and the screw rod of eccentric bolt is removed material and reduced, and the join strength of eccentric bolt intensity and eccentric bolt and nut improves, work efficiency raising.
To achieve these goals, technical solution of the present utility model is: a kind of eccentric bolt mechanism, comprise eccentric bolt and be installed on the eccentric washer on eccentric bolt, it is characterized in that: the screw rod of described eccentric bolt is provided with opening slot, described eccentric washer is provided with the through hole coordinating with the screw rod of eccentric bolt, described through-hole wall is provided with the fin corresponding with opening slot shape, and described fin can slide in described opening slot.
Eccentric bolt of the present utility model mechanism, wherein, described opening slot is extended to the outer end of described screw rod by the middle part of described screw rod.
Eccentric bolt of the present utility model mechanism, wherein, the cross section of described fin is circular.
Eccentric bolt of the present utility model mechanism, wherein, described opening slot forms by punching press.
Adopt after such scheme, the utility model eccentric bolt mechanism is by arranging opening slot on the screw rod of eccentric bolt, the through hole being plugged in together with screw rod is set in eccentric washer, and the fin being connected with opening slot is set in through hole, make fin opening slot slip relatively, the material that makes on the one hand screw rod remove reduces, the join strength of eccentric bolt intensity and eccentric bolt and nut is improved, and on the other hand, its frock is simple, setting accuracy on work improves, and work efficiency improves.
Further beneficial effect of the present utility model is: opening slot forms by punching press, designs like this frock simple, and ram ratio cutting efficiency is high, has reduced reject rate.
Accompanying drawing explanation
Fig. 1 is the perspective exploded view of existing eccentric bolt mechanism;
Fig. 2 is the perspective exploded view of the utility model eccentric bolt mechanism.
Embodiment
As shown in Figure 2, the utility model eccentric bolt mechanism, comprises eccentric bolt 1 and is installed on the eccentric washer 3 on eccentric bolt 1.On the screw rod of eccentric bolt 1, there is opening slot 2 by punch process, in eccentric washer 3, be processed with the through hole 4 coordinating with the screw rod of eccentric bolt 1.The inwall of through hole 4 is provided with the fin 5 corresponding with opening slot 2 shapes, and fin 5 can be in the interior slip of opening slot 2.
Eccentric bolt of the present utility model mechanism, wherein, opening slot 2 is extended to the outer end of screw rod by the middle part of screw rod.
Eccentric bolt of the present utility model mechanism, wherein, the cross section of fin 5 is circular.
Eccentric bolt of the present utility model mechanism, wherein, opening slot 2 forms by punching press.
The utility model eccentric bolt mechanism has the following advantages compared with existing eccentric bolt mechanism:
1, the material that the screw rod of eccentric bolt 1 is removed reduces, and the intensity of eccentric bolt 1 and eccentric bolt 1 are improved with the join strength of nut;
2, its frock is simple, and setting accuracy on work improves, and work efficiency improves;
3, opening slot forms by punching press, designs like this frock simple, and ram ratio cutting efficiency is high, has reduced reject rate.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (3)
1. an eccentric bolt mechanism, comprise eccentric bolt and be installed on the eccentric washer on eccentric bolt, it is characterized in that: the screw rod of described eccentric bolt is provided with opening slot, described eccentric washer is provided with the through hole coordinating with the screw rod of eccentric bolt, described through-hole wall is provided with the fin corresponding with opening slot shape, described fin can slide in described opening slot, and the cross section of described fin is circular.
2. eccentric bolt according to claim 1 mechanism, is characterized in that: described opening slot is extended to the outer end of described screw rod by the middle part of described screw rod.
3. eccentric bolt according to claim 1 mechanism, is characterized in that: described opening slot forms by punching press.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320448434.9U CN203670398U (en) | 2013-07-25 | 2013-07-25 | Eccentric bolt mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320448434.9U CN203670398U (en) | 2013-07-25 | 2013-07-25 | Eccentric bolt mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203670398U true CN203670398U (en) | 2014-06-25 |
Family
ID=50966700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320448434.9U Expired - Fee Related CN203670398U (en) | 2013-07-25 | 2013-07-25 | Eccentric bolt mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203670398U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104148875A (en) * | 2014-08-14 | 2014-11-19 | 广西鱼峰集团有限公司 | Deviation rectification device for reamed bolt holes and manufacturing method of deviation rectification device |
-
2013
- 2013-07-25 CN CN201320448434.9U patent/CN203670398U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104148875A (en) * | 2014-08-14 | 2014-11-19 | 广西鱼峰集团有限公司 | Deviation rectification device for reamed bolt holes and manufacturing method of deviation rectification device |
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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 |
Granted publication date: 20140625 Termination date: 20210725 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |