CN202991772U - Anti-dropping fixing screw for port machinery - Google Patents

Anti-dropping fixing screw for port machinery Download PDF

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Publication number
CN202991772U
CN202991772U CN 201220664943 CN201220664943U CN202991772U CN 202991772 U CN202991772 U CN 202991772U CN 201220664943 CN201220664943 CN 201220664943 CN 201220664943 U CN201220664943 U CN 201220664943U CN 202991772 U CN202991772 U CN 202991772U
Authority
CN
China
Prior art keywords
dropping
screw
low water
fixing screw
anticreep
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
CN 201220664943
Other languages
Chinese (zh)
Inventor
杨一平
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.)
PINGHU CITY FINE ART MACHINERY FACTORY
Original Assignee
PINGHU CITY FINE ART MACHINERY FACTORY
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 PINGHU CITY FINE ART MACHINERY FACTORY filed Critical PINGHU CITY FINE ART MACHINERY FACTORY
Priority to CN 201220664943 priority Critical patent/CN202991772U/en
Application granted granted Critical
Publication of CN202991772U publication Critical patent/CN202991772U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses an anti-dropping fixing screw for port machinery. The anti-dropping fixing screw comprises a body, wherein the body comprises a screw head, an anti-dropping groove and a screw rod section; the screw rod section is fixed at the lower part of the screw head; an outer thread is arranged outside the screw rod section; the screw head is of an outer hexagonal structure; the anti-dropping groove is formed in the upper part of the screw head and is of a hemispherical structure; and an anti-dropping groove positioning point is arranged at the bottom on the inner side of the anti-dropping groove. The anti-dropping fixing screw has the characteristics of reasonable structure design, low production cost and good anti-dropping effect.

Description

Harbour machinery Drop-proof retaining screw
Technical field
The utility model relates to a kind of retaining screw, specifically a kind of harbour machinery Drop-proof retaining screw.
Background technique
Now some retaining screws are not suitable on harbour machinery fixingly, and design unreasonablely, and cost of production is high and easily drop, and tautness is inadequate.
Summary of the invention
The purpose of this utility model is to design a kind of harbour machinery Drop-proof retaining screw.
To be solved in the utility model to be that more existing retaining screws are not suitable on harbour machinery fixing, and design unreasonablely, and cost of production is high and easily drop, the problem that tautness is inadequate.
The technical solution of the utility model is: it comprises body, described body is made of screw terminal, anticreep low water and spiro rod section, described spiro rod section is fixed in the bottom of screw terminal, described spiro rod section outside is provided with outside thread, described screw terminal is the outer-hexagonal structure, described anticreep low water is located at the top of screw terminal, and described anticreep low water is hemispherical dome structure, and described anticreep low water inside bottom is provided with anticreep low water locating point.
The beneficial effects of the utility model are: reasonable in design, cost of production is low and Drop-proof is effective.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is cross-sectional view of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
As shown in the figure, the utility model comprises body, described body is made of screw terminal 3, anticreep low water 6 and spiro rod section 4, described spiro rod section 4 is fixed in the bottom of screw terminal 3, described spiro rod section 4 outsides are provided with outside thread 5, and described screw terminal 3 is the outer-hexagonal structure, and described anticreep low water 6 is located at the top of screw terminal 3, described anticreep low water 6 is hemispherical dome structure 1, and described anticreep low water 6 inside bottom are provided with anticreep low water locating point 2.

Claims (1)

1. harbour machinery Drop-proof retaining screw, comprise body, it is characterized in that described body is made of screw terminal, anticreep low water and spiro rod section, described spiro rod section is fixed in the bottom of screw terminal, described spiro rod section outside is provided with outside thread, and described screw terminal is the outer-hexagonal structure, and described anticreep low water is located at the top of screw terminal, described anticreep low water is hemispherical dome structure, and described anticreep low water inside bottom is provided with anticreep low water locating point.
CN 201220664943 2012-12-06 2012-12-06 Anti-dropping fixing screw for port machinery Expired - Fee Related CN202991772U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220664943 CN202991772U (en) 2012-12-06 2012-12-06 Anti-dropping fixing screw for port machinery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220664943 CN202991772U (en) 2012-12-06 2012-12-06 Anti-dropping fixing screw for port machinery

Publications (1)

Publication Number Publication Date
CN202991772U true CN202991772U (en) 2013-06-12

Family

ID=48562956

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220664943 Expired - Fee Related CN202991772U (en) 2012-12-06 2012-12-06 Anti-dropping fixing screw for port machinery

Country Status (1)

Country Link
CN (1) CN202991772U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104358760A (en) * 2014-10-25 2015-02-18 苏州工业园区新凯精密五金有限公司 Captive screw structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104358760A (en) * 2014-10-25 2015-02-18 苏州工业园区新凯精密五金有限公司 Captive screw structure

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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: 20130612

Termination date: 20131206