CN201810632U - Automatic locking screw - Google Patents
Automatic locking screw Download PDFInfo
- Publication number
- CN201810632U CN201810632U CN2010205456766U CN201020545676U CN201810632U CN 201810632 U CN201810632 U CN 201810632U CN 2010205456766 U CN2010205456766 U CN 2010205456766U CN 201020545676 U CN201020545676 U CN 201020545676U CN 201810632 U CN201810632 U CN 201810632U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- hollow screw
- screw
- hollow
- spring
- 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 relates to an automatic locking screw which is sequentially provided with a screw head with outer threads, a screw rod and a nut from the bottom to the top. The screw rod is a hollow screw rod, and long holes are respectively arranged at two sides of the hollow screw rod. The width of the long holes is smaller than the inner diameter of the hollow screw rod. A spring is arranged in the inner cavity of the hollow screw rod, a plug is arranged at the upper end of the spring, and two wings of the plug extend out of the hollow screw rod from the long holes. By adopting the automatic locking screw, the automatic locking of a U-shaped wire clamp can be realized easily and can be adjusted according to the thickness of the U-shaped wire clamp, and the tight contact of the U-shaped wire clamp and a connecting screw can be ensured.
Description
Technical field
The utility model belongs to power domain, relates in particular to the fixing device that connects line end.
Background technique
At present in power industry, fixing for terminal, great majority all are to use U molded lines folder directly to be locked on the screw of fixing usefulness, but because surface of contact often can not reach smooth degree, can cause difficulty to locking, for a long time easy loose or dislocation of time.Though use the spring clip effect better, be subjected to the influence of himself width, the using scope of spring clip is not very extensive.
The model utility content
The purpose of this utility model provides a kind of auto lock screw, is used for the fixing of U molded lines folder.
In order to achieve the above object by the following technical solutions: a kind of auto lock screw, be followed successively by from top to bottom and be provided with externally threaded screw head, screw rod and nut, screw rod is the hollow screw bar, and hollow screw bar both sides are respectively equipped with slotted hole, the width of slotted hole is less than the internal diameter of hollow screw bar, in the inner chamber of hollow screw bar spring is set, the spring upper end is provided with plug, and the both wings of plug stretch out outside the hollow screw bar by slotted hole.
Described spring is not less than the length of hollow screw bar under free extended configuration.
The distance of the both wings of described plug is greater than the diameter of nut.
Adopt the utility model, can easily realize the auto lock of U molded lines folder, and can adjust, guarantee that U molded lines folder contacts with the tight of attachment screw according to the thickness of U molded lines folder.
Description of drawings
Fig. 1 is a plan view of the present utility model.
Fig. 2 is the left view of Fig. 1.
Embodiment
As shown in Figure 1, 2, a kind of auto lock screw, be followed successively by from top to bottom and be provided with externally threaded screw head 1, screw rod and nut 3, screw rod is a hollow screw bar 2, and hollow screw bar 2 both sides are respectively equipped with slotted hole 7, the width of slotted hole 7 is less than the internal diameter of hollow screw bar 2, spring 4 is set in the inner chamber of hollow screw bar 2, spring 4 is not less than the length of hollow screw bar 2 under free extended configuration, spring 4 upper ends are provided with plug 5, the distance of the both wings 6 of plug 5 is greater than the diameter of nut 3, and the both wings 6 of plug 5 stretch out outside hollow screw bar 2 by slotted hole 7.
Only need pass through the downward pressure spring of both wings during use, expose and insert U molded lines folder behind the neutral gear, unclamp both wings then, spring can automatically reply and compress U molded lines folder, and is easy to use, safe and reliable.
Claims (3)
1. auto lock screw, be followed successively by from top to bottom and be provided with externally threaded screw head, screw rod and nut, it is characterized in that: screw rod is the hollow screw bar, and hollow screw bar both sides are respectively equipped with slotted hole, the width of slotted hole is less than the internal diameter of hollow screw bar, in the inner chamber of hollow screw bar spring is set, the spring upper end is provided with plug, and the both wings of plug stretch out outside the hollow screw bar by slotted hole.
2. auto lock screw according to claim 1 is characterized in that: described spring is not less than the length of hollow screw bar under free extended configuration.
3. auto lock screw according to claim 1 is characterized in that: the distance of the both wings of described plug is greater than the diameter of nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205456766U CN201810632U (en) | 2010-09-28 | 2010-09-28 | Automatic locking screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205456766U CN201810632U (en) | 2010-09-28 | 2010-09-28 | Automatic locking screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201810632U true CN201810632U (en) | 2011-04-27 |
Family
ID=43893574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205456766U Expired - Fee Related CN201810632U (en) | 2010-09-28 | 2010-09-28 | Automatic locking screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201810632U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108918919A (en) * | 2018-07-11 | 2018-11-30 | 南京中车浦镇城轨车辆有限责任公司 | A kind of fast insert-pull part being shorted test for c-type terminal |
| CN112503083A (en) * | 2020-12-01 | 2021-03-16 | 联合创利五金科技江苏有限公司 | Fastening bolt with wide application |
-
2010
- 2010-09-28 CN CN2010205456766U patent/CN201810632U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108918919A (en) * | 2018-07-11 | 2018-11-30 | 南京中车浦镇城轨车辆有限责任公司 | A kind of fast insert-pull part being shorted test for c-type terminal |
| CN112503083A (en) * | 2020-12-01 | 2021-03-16 | 联合创利五金科技江苏有限公司 | Fastening bolt with wide application |
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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: 20110427 Termination date: 20120928 |