CN204041686U - A kind of self-locking screw - Google Patents
A kind of self-locking screw Download PDFInfo
- Publication number
- CN204041686U CN204041686U CN201420490743.7U CN201420490743U CN204041686U CN 204041686 U CN204041686 U CN 204041686U CN 201420490743 U CN201420490743 U CN 201420490743U CN 204041686 U CN204041686 U CN 204041686U
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- CN
- China
- Prior art keywords
- screw
- groove
- self
- utility
- collet
- 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 a kind of self-locking screw, comprise screw main body, described screw body top is provided with metal screws head, screw thread is provided with in the middle part of described screw main body, described screw body top arranges both sides and is all provided with interference groove, the center line of described interference groove and horizontal line are the angle of 280-355 °, and screw bottom part body is provided with collet, and collet comprises optical axis and nose cone.The utility model the utility model adopts collet design, screw is arranged thread section and interferes groove, making to screw in process at screw, between two thread sections optical axis interference groove produce along screw shaft to elastic force, reach the effect of reliable self-locking, easy to use, tuning efficiency is high.
Description
Technical field
The utility model relates to screw technical field, is specifically related to a kind of self-locking screw.
Background technique
Tuning screw of the prior art, because of its design deficiency, therefore easily causes the phenomenon that screw and plate depart from, and there is very large potential safety hazard, in addition, need bimanualness when conventional screw is tuning, use inconvenience, and tuning efficiency is low.
Summary of the invention
For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of self-locking screw, it solves these above-mentioned problems.
The technological scheme that the utility model adopts is as follows: a kind of self-locking screw, comprise screw main body, described screw body top is provided with metal screws head, screw thread is provided with in the middle part of described screw main body, described screw body top arranges both sides and is all provided with interference groove, the center line of described interference groove and horizontal line are the angle of 280-355 °, and screw bottom part body is provided with collet, and collet comprises optical axis and nose cone.
Preferably, described metal screws crown portion is provided with groove, and described groove is that straight groove, cross recess, vee gutter, tetragonal groove, five-pointed star groove or hex shaped groove are wherein a kind of.
Preferably, described interference well width is 1mm-5mm.
The beneficial effects of the utility model comprise:
The utility model the utility model adopts collet design, screw is arranged thread section and interferes groove, making to screw in process at screw, between two thread sections optical axis interference groove produce along screw shaft to elastic force, reach the effect of reliable self-locking, easy to use, tuning efficiency is high.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of a kind of self-locking screw of the utility model;
Fig. 2 is the sectional view of a kind of self-locking screw of the utility model;
Fig. 3 is the partial sectional view of a kind of self-locking screw of the utility model.
Embodiment
Below in conjunction with embodiment, the utility model is described in detail.
A kind of self-locking screw, as shown in Figure 1,2 and 3, comprise screw main body 1, described screw main body 1 top is provided with metal screws head 2, be provided with screw thread 3 in the middle part of described screw main body 1, described screw main body 1 top arranges both sides and is all provided with interference groove 4, and the center line of described interference groove 4 and horizontal line are the angle of 280-355 °, screw bottom part body is provided with collet, and collet comprises optical axis and nose cone.
Preferably, described metal screws 2 crown portion is provided with groove, and described groove is that straight groove, cross recess, vee gutter, tetragonal groove, five-pointed star groove or hex shaped groove are wherein a kind of.
Preferably, described interference groove 4 width is 1mm-5mm.
Above-mentioned mode of execution is preferred embodiment of the present utility model; be not for limiting enforcement of the present utility model and interest field; all equivalences made according to the content described in the utility model patent protection scope change and modify, and all should be included in the utility model claim.
Claims (3)
1. a self-locking screw, it is characterized in that, comprise screw main body, described screw body top is provided with metal screws head, be provided with screw thread in the middle part of described screw main body, described screw body top arranges both sides and is all provided with interference groove, and the center line of described interference groove and horizontal line are the angle of 280-355 °, screw bottom part body is provided with collet, and collet comprises optical axis and nose cone.
2. a kind of self-locking screw according to claim 1, is characterized in that, described metal screws crown portion is provided with groove, and described groove is that straight groove, cross recess, vee gutter, tetragonal groove, five-pointed star groove or hex shaped groove are wherein a kind of.
3. a kind of self-locking screw according to claim 1, is characterized in that, described interference well width is 1mm-5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420490743.7U CN204041686U (en) | 2014-08-28 | 2014-08-28 | A kind of self-locking screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420490743.7U CN204041686U (en) | 2014-08-28 | 2014-08-28 | A kind of self-locking screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204041686U true CN204041686U (en) | 2014-12-24 |
Family
ID=52242355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420490743.7U Expired - Fee Related CN204041686U (en) | 2014-08-28 | 2014-08-28 | A kind of self-locking screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204041686U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105715654A (en) * | 2016-03-01 | 2016-06-29 | 朗福紧固科技（西安）有限公司 | Double-slotted self-locking nut |
-
2014
- 2014-08-28 CN CN201420490743.7U patent/CN204041686U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105715654A (en) * | 2016-03-01 | 2016-06-29 | 朗福紧固科技（西安）有限公司 | Double-slotted self-locking nut |
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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: 20141224 Termination date: 20160828 |