CN202149124U - Difficultly loosened screw - Google Patents
Difficultly loosened screw Download PDFInfo
- Publication number
- CN202149124U CN202149124U CN201120184185U CN201120184185U CN202149124U CN 202149124 U CN202149124 U CN 202149124U CN 201120184185 U CN201120184185 U CN 201120184185U CN 201120184185 U CN201120184185 U CN 201120184185U CN 202149124 U CN202149124 U CN 202149124U
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- CN
- China
- Prior art keywords
- screw
- big
- nut
- groove
- draw
- 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 difficultly loosened screw, which comprises a safety clamping piece, a clamping groove A, a small screw cap, a big screw cap, a small lead screw, a big lead screw, a nut and a clamping groove B; the outer side of the small screw cap on the small lead screw with screw thread is provided with a clamping groove A, the inner and outer walls of the big lead screw are provided with screw threads, the big screw cap is located on the big lead screw, and the inner wall of the big screw cap is provided with a clamping groove B. The difficultly loosened screw can prevent unnecessary consequences caused by screw loosening in use and is simple and convenient to operate.
Description
Technical field
The utility model relates to a kind of screw, especially a kind of difficult loosening screw.
Background technique
Present screw is made up of nut and nut mostly, and is loosening easily in use, has potential safety hazard, and particularly when the machine that screw is used to taking regular exercise, this situation is particularly evident.Screw on the market mostly is a function singleness now, and structure is single, does not also have a kind of product to can solve this problem.
Summary of the invention
The purpose of the utility model provides a kind of loosening screw that is difficult for more convenient, simple in structure that uses.
The utility model has been announced a kind of loosening screw that is difficult for; Comprise safe card, draw-in groove A, little nut, big nut, minor leading screw, big wire role, nut, draw-in groove B; It is characterized in that: there is a draw-in groove A in the little nut outside on screwed minor leading screw top; The inside and outside wall of big wire role has screw thread, and big nut is positioned at the top of big wire role, and a draw-in groove B is arranged on the inwall of big nut.
Beneficial effect: realize screw in the utilization process with the utility model, can prevent that screw from causing unnecessary consequence because of loosening, easy to operate.
Description of drawings
Fig. 1 is a kind of Facad structure schematic representation that is difficult for loosening screw of the utility model embodiment.
Embodiment
The explanation of mark among Fig. 1: safe card 1, draw-in groove A2, little nut 3, big nut 4, minor leading screw 4, big wire role 5, nut 6, draw-in groove B7.
The loosening screw that is difficult for shown in Figure 1 is made up of safety card 1, draw-in groove A2, little nut 3, big nut 4, minor leading screw 4, big wire role 5, nut 6, draw-in groove B7.During use, earlier big wire role 5 is screwed in the nut 6, oppositely screw in the big wire roles 5 through big nut 4 again minor leading screw 8; Little nut 3 is alignd with the draw-in groove A2 and the draw-in groove B7 of big nut 4; And safe card 1 put between little nut 3 and the big nut 4, make its two screw relative fixed, the convenient use.
Claims (1)
1. one kind is difficult for loosening screw; Comprise safe card, draw-in groove A, little nut, big nut, minor leading screw, big wire role, nut, draw-in groove B; It is characterized in that: there is a draw-in groove A in the little nut outside on screwed minor leading screw top; The inside and outside wall of big wire role has screw thread, and big nut is positioned at the top of big wire role, and a draw-in groove B is arranged on the inwall of big nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120184185U CN202149124U (en) | 2011-06-02 | 2011-06-02 | Difficultly loosened screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120184185U CN202149124U (en) | 2011-06-02 | 2011-06-02 | Difficultly loosened screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202149124U true CN202149124U (en) | 2012-02-22 |
Family
ID=45590184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120184185U Expired - Fee Related CN202149124U (en) | 2011-06-02 | 2011-06-02 | Difficultly loosened screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202149124U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438082A (en) * | 2013-08-30 | 2013-12-11 | 无锡宝南机器制造有限公司 | Adjusting and locking device |
-
2011
- 2011-06-02 CN CN201120184185U patent/CN202149124U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438082A (en) * | 2013-08-30 | 2013-12-11 | 无锡宝南机器制造有限公司 | Adjusting and locking device |
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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: 20120222 Termination date: 20120602 |