CN203962578U - The locked double-screw bolt of quick open type secondary - Google Patents
The locked double-screw bolt of quick open type secondary Download PDFInfo
- Publication number
- CN203962578U CN203962578U CN201420357307.2U CN201420357307U CN203962578U CN 203962578 U CN203962578 U CN 203962578U CN 201420357307 U CN201420357307 U CN 201420357307U CN 203962578 U CN203962578 U CN 203962578U
- Authority
- CN
- China
- Prior art keywords
- screw bolt
- double
- open type
- bolt body
- type secondary
- 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 relates to the locked double-screw bolt of a kind of quick open type secondary, comprise double-screw bolt body, the upper end of double-screw bolt body is provided with locking nut, on locking nut, offer central through bore, in central through bore, interference fit is provided with elastic device, and elastic device comprises limiting stopper and elastic rod, and elastic rod is fixed on the upper end of limiting stopper, on double-screw bolt body, be furnished with Hexagon fastening cap, elastic rod is located in double-screw bolt body and locking nut inner chamber.The locked double-screw bolt of quick open type secondary of the present utility model is used in combination conveniently, connects effect firm, for the stable operation of equipment provides guarantee, and for the fault of burst, can quick-replaceable double-screw bolt, abatement apparatus fault, guarantees the normal operation of equipment.
Description
Technical field
The utility model relates to the locked double-screw bolt of a kind of quick open type secondary.
Background technique
Bolt structure is simple, and using scope is wide, and double-screw bolt is very convenient for the fastening applications of common workpiece.But after the locked double-screw bolt of some secondarys is fixed on equipment, when equipment goes wrong or needs during fault, change, because installing space is little, be inconvenient to dismantle, and it is time-consuming to require great effort very much, for high efficiency production is brought impact.
Model utility content
The technical problems to be solved in the utility model is: overcome the deficiency in prior art, provide a kind of quick open type secondary locked double-screw bolt.
The utility model solves the technological scheme that its technical problem adopts: the locked double-screw bolt of a kind of quick open type secondary, comprise double-screw bolt body, the upper end of double-screw bolt body is provided with locking nut, on locking nut, offer central through bore, in central through bore, interference fit is provided with elastic device, elastic device comprises limiting stopper and elastic rod, and elastic rod is fixed on the upper end of limiting stopper.
Further, be furnished with Hexagon fastening cap on double-screw bolt body, elastic rod is located in double-screw bolt body and locking nut inner chamber.
The beneficial effects of the utility model are: the locked double-screw bolt of quick open type secondary of the present utility model is used in combination conveniently, connect effect firm, for the stable operation of equipment provides guarantee, fault for burst, can quick-replaceable double-screw bolt, abatement apparatus fault, guarantees the normal operation of equipment.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model.
1. double-screw bolt bodies in figure, 2. locking nut, 3. limiting stopper, 4. elastic rod.
Embodiment
By reference to the accompanying drawings the utility model is further described now.The schematic diagram that these accompanying drawings are simplification only illustrates basic structure of the present utility model in a schematic way, so it only shows the formation relevant with the utility model.
The locked double-screw bolt of quick open type secondary as shown in Figure 1, comprise double-screw bolt body 1, the upper end of double-screw bolt body 1 is provided with locking nut 2, on locking nut 2, offer central through bore, in central through bore, interference fit is provided with elastic device, and elastic device comprises limiting stopper 3 and elastic rod 4, and elastic rod 4 is fixed on the upper end of limiting stopper 3, on double-screw bolt body 1, be furnished with Hexagon fastening cap, elastic rod 4 is located in double-screw bolt body 1 and locking nut 2 inner chambers.
Above-mentioned mode of execution is only explanation technical conceive of the present utility model and feature; its object is to allow person skilled in the art can understand content of the present utility model and be implemented; can not limit protection domain of the present utility model with this; all equivalences of doing according to the utility model Spirit Essence change or modify, and all should be encompassed in protection domain of the present utility model.
Claims (2)
1. the locked double-screw bolt of quick open type secondary, comprise double-screw bolt body (1), it is characterized in that: the upper end of described double-screw bolt body (1) is provided with locking nut (2), locking nut offers central through bore on (2), in central through bore, interference fit is provided with elastic device, elastic device comprises limiting stopper (3) and elastic rod (4), and elastic rod (4) is fixed on the upper end of limiting stopper (3).
2. the locked double-screw bolt of quick open type secondary according to claim 1, is characterized in that: on described double-screw bolt body (1), be furnished with Hexagon fastening cap, elastic rod (4) is located in double-screw bolt body (1) and locking nut (2) inner chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420357307.2U CN203962578U (en) | 2014-06-28 | 2014-06-28 | The locked double-screw bolt of quick open type secondary |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420357307.2U CN203962578U (en) | 2014-06-28 | 2014-06-28 | The locked double-screw bolt of quick open type secondary |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203962578U true CN203962578U (en) | 2014-11-26 |
Family
ID=51923170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420357307.2U Expired - Fee Related CN203962578U (en) | 2014-06-28 | 2014-06-28 | The locked double-screw bolt of quick open type secondary |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203962578U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747569A (en) * | 2014-07-26 | 2015-07-01 | 周红玉 | Quick-open type two-level locking stud |
-
2014
- 2014-06-28 CN CN201420357307.2U patent/CN203962578U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747569A (en) * | 2014-07-26 | 2015-07-01 | 周红玉 | Quick-open type two-level locking stud |
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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: 20141126 Termination date: 20150628 |
|
| EXPY | Termination of patent right or utility model |