CN203962578U - The locked double-screw bolt of quick open type secondary - Google Patents

The locked double-screw bolt of quick open type secondary Download PDF

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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
Application number
CN201420357307.2U
Other languages
Chinese (zh)
Inventor
吴杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHANGZHOU YIDUN HYDRAULIC TECHNOLOGY Co Ltd
Original Assignee
CHANGZHOU YIDUN HYDRAULIC TECHNOLOGY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CHANGZHOU YIDUN HYDRAULIC TECHNOLOGY Co Ltd filed Critical CHANGZHOU YIDUN HYDRAULIC TECHNOLOGY Co Ltd
Priority to CN201420357307.2U priority Critical patent/CN203962578U/en
Application granted granted Critical
Publication of CN203962578U publication Critical patent/CN203962578U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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

The locked double-screw bolt of quick open type secondary
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.
CN201420357307.2U 2014-06-28 2014-06-28 The locked double-screw bolt of quick open type secondary Expired - Fee Related CN203962578U (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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