CN203516375U - Self-tapping anti-disengaging bolt - Google Patents
Self-tapping anti-disengaging bolt Download PDFInfo
- Publication number
- CN203516375U CN203516375U CN201320600440.1U CN201320600440U CN203516375U CN 203516375 U CN203516375 U CN 203516375U CN 201320600440 U CN201320600440 U CN 201320600440U CN 203516375 U CN203516375 U CN 203516375U
- Authority
- CN
- China
- Prior art keywords
- bolt
- screw rod
- screw
- bolt head
- shaped groove
- 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
Abstract
The utility model provides a self-tapping anti-disengaging bolt. The self-tapping anti-disengaging bolt comprises a bolt head and a screw, wherein the bolt head and the screw are connected into a whole, threads are arranged on the screw, the end, away from the bolt head, of the screw is in a conical shape, a plurality of V-shaped grooves are formed in the top end of the screw, the V-shaped grooves extend to the bolt head from the top end of the screw, and the top ends of the V-shaped grooves are one tenth higher than the top end of the screw. Scrap iron or impurities on the threads can be deposited into the V-shaped grooves in the rotating process due to the V-shaped groove, and therefore the bolt can be smoothly rotated and screwed, parts are protected, the work efficiency and the work effect are improved, and the self-tapping anti-disengaging bolt is low in production cost.
Description
Technical field
The utility model belongs to mechanical parts technical field, relates to a kind of bolt, relates in particular to a kind of self-tapping self-locking, anti-loose self tapping chek bolt.
Background technique
Bolt claims again screw, and the invention of bolt is undoubtedly one of greatest invention in human history, and especially people describe a certain things or the role significance in integral body through conventional " little small screw ", have all expressed the significance of bolt; Spiral suction engine principle according to the Archimedes of the Greek Philosophy man invention of century in the middle ancient times while it is believed that bolt develops the part forming, the a large amount of use bolt of the mankind and designed the bolt of many different purposes over the past thousands of years, but the basic principle of bolt is so far still for a change.
Human use's bolt links two objects, or utilize bolt by a certain assembly surface that is fixed on another object tightly, the application area of bolt is very extensive, in general implements in daily life, can find it, at high-tech precision machinery, also can't do without it in as the motor of jet plane.Once had airliner to cause serious accident because of a screw getting loose, although bolt is the finding that a kind of function is simple and be seen everywhere as can be seen here, still can not be indiscreet and negligent its impact on safety.
In automobile manufacturing, often run into such difficult problem, part and privileged site need permanent bolt, some connection be can not be loosening parts, such as steering axles, clamping bolt etc., particularly vehicle is when running at high speed, and the tightness of bolt and anti-loose property are just particularly important.
In producing installation, also often running into bolt can not get through, reason is to have iron filings, impurity etc. on the screw thread of bolt, or because causing the inaccurate of screw thread in the processes such as welding, high temperature, phosphatization, spraying, bolt does not enter or deflects to twist off, impact is normal installs, produces, processes, and causes component damage and scraps, and energy consumption is increased.
Chinese patent notification number CN202560755U, on November 28 2012 day for announcing, name is called bolt, this application case discloses a kind of bolt, comprise bolt head and screw rod, bolt head is provided with polygonal groove away from the end face of screw rod, is provided with the filling block matching with groove in described groove.Its deficiency is, if there is impurity in the screw thread on screw rod, can cause bolt not enter.
Model utility content
The purpose of this utility model is there are the impurity such as iron filings in order to solve on the screw thread of existing bolt, or screw thread is inaccurate, bolt does not enter or deflects to twist off, the impact defect of installing normally, produce, processing and a kind of self-tapping self-locking, anti-loose self tapping chek bolt are provided.
To achieve these goals, the utility model is by the following technical solutions:
A kind of self tapping chek bolt, comprise bolt head and screw rod, bolt head and screw rod connect into an integral body, screw rod is provided with screw thread, described screw rod is tapered away from the end of bolt head, screw tip has some V-shaped grooves, and V-shaped groove extends to bolt head from screw tip, and V-shaped groove top is higher by 1/10th than screw tip.In the technical program, on the cone-shaped at bolt top, there are three V-shaped groove mouths, extend to root outer six or interior hexagonal place always, V-shaped groove mouth can make iron filings, impurity or the distortion of silk mouth be deposited in when rotated in V-shaped groove, bolt is rotated very smoothly urgent, V-shaped groove limit a little more than screw rod high 1/10th, after screw precession is urgent, can not become flexible, move back because equipment operation silk, the fine fastening problem that has solved key position, guarantees the safety of using.
As preferably, V-shaped groove centered by the axis of screw rod by the cross section trisection of screw rod end.
As preferably, V-shaped groove extends to along clockwise direction bolt head on screw rod.
The beneficial effects of the utility model are; V-shaped groove mouth of the present utility model can make iron filings, impurity or the distortion of silk mouth be deposited in when rotated in V-shaped groove, bolt is rotated very smoothly urgent, protection component; increase work efficiency and working effect, the utility model cost of production is low.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model.
In figure, 1, screw rod; 2, V-shaped groove; 3, bolt head.
Embodiment
Below in conjunction with specific embodiment and accompanying drawing, the utility model is further explained:
With reference to Fig. 1, a kind of self tapping chek bolt, comprise bolt head 3 and screw rod 1, bolt head 3 connects into an integral body with screw rod 1, screw rod 1 is provided with screw thread, and described screw rod 1 is tapered away from the end of bolt head 3, and screw rod 1 top has three V-shaped grooves 2, V-shaped groove 2 extends to bolt head 3 from screw rod 1 top, and V-shaped groove 2 tops are higher by 1/10th than screw rod 1 top.V-shaped groove 2 centered by the axis of screw rod 1 by the cross section trisection of screw rod 1 end.V-shaped groove 2 extends to along clockwise direction bolt head 3 on screw rod 1.
On the cone-shaped at bolt top, there are three V-shaped groove mouths, extend to root outer six or interior hexagonal place always, V-shaped groove mouth can make iron filings, impurity or the distortion of silk mouth be deposited in when rotated in V-shaped groove, bolt is rotated very smoothly urgent, V-shaped groove limit a little more than screw rod high 1/10th, after screw precession is urgent, can not become flexible, move back silk because of equipment operation, the fine fastening problem that has solved key position, guarantees the safety of using.
Claims (3)
1. a self tapping chek bolt, comprise bolt head (3) and screw rod (1), bolt head (3) connects into an integral body with screw rod (1), screw rod (1) is provided with screw thread, it is characterized in that, described screw rod (1) is tapered away from the end of bolt head (3), and screw rod (1) top has some V-shaped grooves (2), V-shaped groove (2) extends to bolt head (3) from screw rod (1) top, and V-shaped groove (2) top is higher by 1/10th than screw rod (1) top.
2. a kind of self tapping chek bolt according to claim 1, is characterized in that, V-shaped groove (2) centered by the axis of screw rod (1) by the cross section trisection of screw rod (1) end.
3. a kind of self tapping chek bolt according to claim 1 and 2, is characterized in that, V-shaped groove (2) extends to along clockwise direction bolt head (3) on screw rod (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320600440.1U CN203516375U (en) | 2013-09-27 | 2013-09-27 | Self-tapping anti-disengaging bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320600440.1U CN203516375U (en) | 2013-09-27 | 2013-09-27 | Self-tapping anti-disengaging bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203516375U true CN203516375U (en) | 2014-04-02 |
Family
ID=50375311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320600440.1U Expired - Fee Related CN203516375U (en) | 2013-09-27 | 2013-09-27 | Self-tapping anti-disengaging bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203516375U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105020229A (en) * | 2015-06-24 | 2015-11-04 | 贵州省华科实业有限公司 | Drilling screw strong in replaceability and good in sealing property |
| CN114483747A (en) * | 2022-01-19 | 2022-05-13 | 慈溪市振成机械有限公司 | Anti-loose screw with special structure and machining process thereof |
-
2013
- 2013-09-27 CN CN201320600440.1U patent/CN203516375U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105020229A (en) * | 2015-06-24 | 2015-11-04 | 贵州省华科实业有限公司 | Drilling screw strong in replaceability and good in sealing property |
| CN114483747A (en) * | 2022-01-19 | 2022-05-13 | 慈溪市振成机械有限公司 | Anti-loose screw with special structure and machining process thereof |
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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: 20140402 Termination date: 20140927 |
|
| EXPY | Termination of patent right or utility model |