CN204357890U - A kind of anti-demounting bolt - Google Patents

A kind of anti-demounting bolt Download PDF

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Publication number
CN204357890U
CN204357890U CN201420814683.XU CN201420814683U CN204357890U CN 204357890 U CN204357890 U CN 204357890U CN 201420814683 U CN201420814683 U CN 201420814683U CN 204357890 U CN204357890 U CN 204357890U
Authority
CN
China
Prior art keywords
groove
block
bolt
bolt head
stud
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
CN201420814683.XU
Other languages
Chinese (zh)
Inventor
汤建惠
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.)
Sea Salt Hart Favour Machinery Hardware Products Co Ltd
Original Assignee
Sea Salt Hart Favour Machinery Hardware Products 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 Sea Salt Hart Favour Machinery Hardware Products Co Ltd filed Critical Sea Salt Hart Favour Machinery Hardware Products Co Ltd
Priority to CN201420814683.XU priority Critical patent/CN204357890U/en
Application granted granted Critical
Publication of CN204357890U publication Critical patent/CN204357890U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of anti-demounting bolt, comprise stud, bolt head, screw thread, first groove, second groove and block, described stud is provided with screw thread, the upper end of described stud is provided with bolt head, described bolt head is provided with the first groove and the second groove, described second groove is located at the bottom of the first groove, the bottom cover of described first groove is stamped block, the diameter dimension of described block is equal with the diameter dimension of the first groove, the edge thickness size of described block is less than or equal to the depth dimensions of the first groove, compared with prior art, the utility model can tamper reliable in function, equipment is avoided to suffer to destroy the impact brought.

Description

A kind of anti-demounting bolt
[technical field]
The utility model relates to the technical field of bolt, particularly a kind of technical field of anti-demounting bolt.
[background technique]
Bolt is the shaft-like object of taking the lead of attached threaded cylinder, for the fastening piece used with nut screw connection, is widely used in all trades and professions.Bolt is often used on the equipment that some outdoors use, existing bolt head structure is generally regular hexagon, the conventional spanner usually can bought on the market can be utilized to open, these bolts are adopted to carry out fixing equipment is installed, usually dismantled by lawless person, make the inner components of equipment suffer to destroy, lose, cause equipment cisco unity malfunction.
[model utility content]
The purpose of this utility model solves the problems of the prior art exactly, proposes a kind of anti-demounting bolt, can tamper reliable in function, avoids equipment to suffer to destroy the impact brought.
For achieving the above object, the utility model proposes a kind of anti-demounting bolt, comprise stud, bolt head, screw thread, the first groove, the second groove and block, described stud is provided with screw thread, the upper end of described stud is provided with bolt head, described bolt head is provided with the first groove and the second groove, described second groove is located at the bottom of the first groove, the bottom cover of described first groove is stamped block, the diameter dimension of described block is equal with the diameter dimension of the first groove, and the edge thickness size of described block is less than or equal to the depth dimensions of the first groove.
As preferably, the cross-section area of described second groove is regular polygon or quincunx.
As preferably, described block comprises cap body and connecting body, and the bottom of described cap body is provided with two connecting bodys, and described connecting body is provided with anticreep step, and the cell wall of described second groove is provided with the stop groove matched with anticreep step.
As preferably, described bolt head is cylinder form.
The beneficial effects of the utility model: the utility model is by being stamped block by the bottom cover of the first groove, bolt head is cylinder form, avoids directly dismantling by spanner, compared with prior art, can tamper reliable in function, avoid equipment to suffer to destroy the impact brought.
Feature of the present utility model and advantage will be described in detail by reference to the accompanying drawings by embodiment.
[accompanying drawing explanation]
Fig. 1 is the structural representation of a kind of anti-demounting bolt of the utility model.
In figure: 1-stud, 2-bolt head, 3-screw thread, 4-first groove, 5-second groove, 6-block, 61-cap body, 62-connecting body.
[embodiment]
Consult Fig. 1, a kind of anti-demounting bolt of the utility model, comprise stud 1, bolt head 2, screw thread 3, first groove 4, second groove 5 and block 6, described stud 1 is provided with screw thread 3, the upper end of described stud 1 is provided with bolt head 2, described bolt head 2 is provided with the first groove 4 and the second groove 5, described second groove 5 is located at the bottom of the first groove 4, the bottom cover of described first groove 4 is stamped block 6, the diameter dimension of described block 6 is equal with the diameter dimension of the first groove 4, the edge thickness size of described block 6 is less than or equal to the depth dimensions of the first groove 4, the cross-section area of described second groove 5 is regular polygon or quincunx, described block 6 comprises cap body 61 and connecting body 62, the bottom of described cap body 61 is provided with two connecting bodys 62, described connecting body 62 is provided with anticreep step, the cell wall of described second groove 5 is provided with the stop groove matched with anticreep step, described bolt head 2 is cylinder form.
Utility model works process:
A kind of anti-demounting bolt of the utility model in the course of the work, the spanner matched with the second groove 5 is placed in the second groove 5, tight a bolt, then cap body 61 is inserted in the first groove 4, and the anticreep step on connecting body 62 is placed in the stop groove on the cell wall of the second groove 5, the bottom cover of the first groove 4 is stamped block 6, bolt head 2 is cylinder form, avoid directly dismantling by spanner, compared with prior art, can tamper reliable in function, avoid equipment to suffer to destroy the impact brought.
Above-described embodiment is to explanation of the present utility model, is not to restriction of the present utility model, anyly all belongs to protection domain of the present utility model to the scheme after the utility model simple transformation.

Claims (4)

1. an anti-demounting bolt, it is characterized in that: comprise stud (1), bolt head (2), screw thread (3), first groove (4), second groove (5) and block (6), described stud (1) is provided with screw thread (3), the upper end of described stud (1) is provided with bolt head (2), described bolt head (2) is provided with the first groove (4) and the second groove (5), described second groove (5) is located at the bottom of the first groove (4), the bottom cover of described first groove (4) is stamped block (6), the diameter dimension of described block (6) is equal with the diameter dimension of the first groove (4), the edge thickness size of described block (6) is less than or equal to the depth dimensions of the first groove (4).
2. a kind of anti-demounting bolt as claimed in claim 1, is characterized in that: the cross-section area of described second groove (5) is regular polygon or quincunx.
3. a kind of anti-demounting bolt as claimed in claim 1, it is characterized in that: described block (6) comprises cap body (61) and connecting body (62), the bottom of described cap body (61) is provided with two connecting bodys (62), described connecting body (62) is provided with anticreep step, and the cell wall of described second groove (5) is provided with the stop groove matched with anticreep step.
4. a kind of anti-demounting bolt as claimed any one in claims 1 to 3, is characterized in that: described bolt head (2) is cylinder form.
CN201420814683.XU 2014-12-19 2014-12-19 A kind of anti-demounting bolt Expired - Fee Related CN204357890U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420814683.XU CN204357890U (en) 2014-12-19 2014-12-19 A kind of anti-demounting bolt

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420814683.XU CN204357890U (en) 2014-12-19 2014-12-19 A kind of anti-demounting bolt

Publications (1)

Publication Number Publication Date
CN204357890U true CN204357890U (en) 2015-05-27

Family

ID=53259363

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420814683.XU Expired - Fee Related CN204357890U (en) 2014-12-19 2014-12-19 A kind of anti-demounting bolt

Country Status (1)

Country Link
CN (1) CN204357890U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112032170A (en) * 2020-08-28 2020-12-04 浙江全友标准件股份有限公司 Fiberboard nail

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112032170A (en) * 2020-08-28 2020-12-04 浙江全友标准件股份有限公司 Fiberboard nail
CN112032170B (en) * 2020-08-28 2022-08-12 浙江全友标准件股份有限公司 Fiberboard nail

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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: 20150527

Termination date: 20151219

EXPY Termination of patent right or utility model