CN203570800U - Hexagonal flange face bolt - Google Patents

Hexagonal flange face bolt Download PDF

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Publication number
CN203570800U
CN203570800U CN201320740251.4U CN201320740251U CN203570800U CN 203570800 U CN203570800 U CN 203570800U CN 201320740251 U CN201320740251 U CN 201320740251U CN 203570800 U CN203570800 U CN 203570800U
Authority
CN
China
Prior art keywords
threaded rod
screw rod
hexagon
thread
circle
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
CN201320740251.4U
Other languages
Chinese (zh)
Inventor
杨荣德
傅献军
Original Assignee
ZHEJIANG COWIN FASTECH 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 ZHEJIANG COWIN FASTECH Co Ltd filed Critical ZHEJIANG COWIN FASTECH Co Ltd
Priority to CN201320740251.4U priority Critical patent/CN203570800U/en
Application granted granted Critical
Publication of CN203570800U publication Critical patent/CN203570800U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a hexagonal flange face bolt which comprises a hexagonal head, a flange plate and a threaded rod, wherein the flange plate and the hexagonal head are fixed, and the threaded rod is provided with external threads. The external threads are arranged at the position, corresponding to a screw cap, of the tail end of the threaded rod, a circle of limit cylinder is arranged on the end face of one side, fixed to the threaded rod, of the flange plate and is the same as the external threads in outer diameter, and the limit cylinder and the threaded rod are coaxial. A section of concave part is arranged between the limit cylinder and the external threads and is the same as the external threads in inner diameter. A circle of seal ring coats the concave part. A circle of seal coating glue coats the external threads. The tail end of the threaded rod extends outwards with the gradually-decreased radius to form a circular truncated cone serving as a guide threaded rod part. The hexagonal flange face bolt has the advantages that the seal coating glue and the seal ring are used, so that the requirement for sealing the flange face bolt is met; the guide threaded rod part is arranged, so that the threaded rod is rapidly sleeved with a nut and rapidly tightened.

Description

A kind of hexagon flange bolt
Technical field
The utility model relates to a kind of bolt, is specially a kind ofly for the hexagon flange bolt on automobile, belongs to five metals manufacturing technology field.
Background technique
Bolt, is one of modal mechanical parts, the cylindrical threaded fastening piece of adapted nut.Bolt: by head and screw rod (with an externally threaded cylindrical body) class fastening piece dimerous, need coordinate with nut, for being fastenedly connected two parts with through hole.This Connecting format claims bolt to connect.As nut is screwed off from bolt, can make again these two parts separately, therefore bolt connects, be to belong to removably connect.
By the force way connecting, divide: point common and have articulation hole to use.By nose shape, divide: there is hexagon head, round end, square spigot, countersunk head etc.Wherein hexagon head is the most frequently used.
Bolt head with surmount remove twist face diameter the bolt of supporting surface flange face bolt.Hexagon flange bolt is by hexagon-head and flange plate (pad below hexagonal is fixed together with hexagonal) and screw rod (with an externally threaded cylindrical body) class fastening piece dimerous, need coordinate with nut, for being fastenedly connected two parts with through hole.This Connecting format claims bolt to connect.As nut is screwed off from bolt, have and can make these two parts separately, therefore bolt connects, be to belong to removably connect.
But there is following defect in this bolt:
1, in some local need to sealing, do not possess seal action, on automobile rearview mirror, need water-tight;
2, because the screw rod of bolt is with externally threaded cylindrical body, and it is narrower many times to need to install fixing parts environment of living in, and the head of screw rod is difficult to screw in nut in narrow space, causes under working efficiency.
Model utility content
The purpose of this utility model is for a kind of hexagon flange bolt is provided, to solve the problems referred to above of prior art.
The purpose of this utility model is achieved through the following technical solutions.
A kind of hexagon flange bolt, comprises hexagon-head, with the fixing flange plate of hexagon-head with externally threaded screw rod; Described outside thread is arranged at the position that screw rod tail end is corresponding with nut, and a side end face fixing with screw rod at described flange plate is provided with the spacing cylinder that a circle is identical with major diameter of external thread, spacing cylinder and screw coaxial; Between spacing cylinder and outside thread, be provided with one section of recess identical with core diameter, described recess is coated with a circle seal ring; On described outside thread, be coated with a circle sealing gluing; The tail end of described screw rod stretches out, and radius to reduce gradually to form round platform be guide spiro rod portion.
The external diameter of described seal ring equals externally threaded external diameter.
Described flange plate is provided with embossing by a side end face of screw rod, to increase the frictional force of flange plate and parts, prevents from unclamping.
Described externally threaded tooth form is the one in V thread screw, square threaded form, trapezoidal thread and buttress thread form.
Footpath outside described in the utility model (large footpath) refers to and the imaginary cylinder diameter coinciding at the bottom of outside thread crest or internal thread tooth.The nominal diameter of screw thread is large footpath.Internal diameter (path) refers to at the bottom of outside thread tooth or the imaginary cylinder diameter that coincides of internal thread crest.
The utlity model has following beneficial effect:
1, by the use of sealing gluing and seal ring, can meet the demand that flange face bolt needs seal;
2, by the setting of guide spiro rod portion, can, in less space, rapidly by screw rod in nut sleeve, and screw rapidly.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
In figure: 1, hexagon-head 2, flange plate 3, screw rod 4, outside thread 5, spacing cylinder 6, recess 7, guide spiro rod portion.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, further set forth structural feature of the present utility model.
As shown in Figure 1, a kind of hexagon flange bolt, comprises hexagon-head 1, with the fixing flange plate 2 of hexagon-head 1 with the screw rod 3 of outside thread 4; Described outside thread 4 is arranged at the screw rod 3 tail ends position corresponding with nut, and a side end face fixing with screw rod 3 at described flange plate 2 is provided with the spacing cylinder 5 that a circle is identical with outside thread 4 external diameters, and spacing cylinder 5 is coaxial with screw rod 3; Between spacing cylinder 5 and outside thread 4, be provided with one section of recess 6 identical with outside thread 4 internal diameters, described recess 6 is coated with a circle seal ring; On described outside thread 4, be coated with a circle sealing gluing; The tail end of described screw rod 3 stretches out, and radius to reduce gradually to form round platform be guide spiro rod portion 7.
The external diameter of described seal ring equals the external diameter of outside thread 4.
Described flange plate 2 is provided with embossing by a side end face of screw rod 3, to increase the frictional force of flange plate 2 and parts, prevents from unclamping.
The tooth form of described outside thread 4 is the one in V thread screw, square threaded form, trapezoidal thread and buttress thread form.

Claims (4)

1. a hexagon flange bolt, comprises hexagon-head, with the fixing flange plate of hexagon-head with externally threaded screw rod; Described outside thread is arranged at the position that screw rod tail end is corresponding with nut, it is characterized in that: a side end face fixing with screw rod at described flange plate is provided with the spacing cylinder that a circle is identical with major diameter of external thread, spacing cylinder and screw coaxial; Between spacing cylinder and outside thread, be provided with one section of recess identical with core diameter, described recess is coated with a circle seal ring; On described outside thread, be coated with a circle sealing gluing; The tail end of described screw rod stretches out, and radius to reduce gradually to form round platform be guide spiro rod portion.
2. a kind of hexagon flange bolt according to claim 1, is characterized in that: the external diameter of described seal ring equals externally threaded external diameter.
3. a kind of hexagon flange bolt according to claim 1, is characterized in that: described flange plate is provided with embossing by a side end face of screw rod.
4. according to a kind of hexagon flange bolt claimed in claim 1, it is characterized in that: described externally threaded tooth form is the one in V thread screw, square threaded form, trapezoidal thread and buttress thread form.
CN201320740251.4U 2013-11-20 2013-11-20 Hexagonal flange face bolt Expired - Fee Related CN203570800U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320740251.4U CN203570800U (en) 2013-11-20 2013-11-20 Hexagonal flange face bolt

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320740251.4U CN203570800U (en) 2013-11-20 2013-11-20 Hexagonal flange face bolt

Publications (1)

Publication Number Publication Date
CN203570800U true CN203570800U (en) 2014-04-30

Family

ID=50538532

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320740251.4U Expired - Fee Related CN203570800U (en) 2013-11-20 2013-11-20 Hexagonal flange face bolt

Country Status (1)

Country Link
CN (1) CN203570800U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104806618A (en) * 2015-05-05 2015-07-29 苏州思莱特电子科技有限公司 Tail self-sealing lock bolt
CN105545922A (en) * 2016-01-26 2016-05-04 深圳市中金科五金制造有限公司 Complete-thread guide screw good in locking performance

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104806618A (en) * 2015-05-05 2015-07-29 苏州思莱特电子科技有限公司 Tail self-sealing lock bolt
CN105545922A (en) * 2016-01-26 2016-05-04 深圳市中金科五金制造有限公司 Complete-thread guide screw good in locking performance

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP03 Change of name, title or address

Address after: 314100, No. 8, Chi Chi Road, dry kiln town, Jiashan County, Jiaxing, Zhejiang

Patentee after: Zhejiang Cowin Fastech CO., Ltd.

Address before: Jiashan County of Jiaxing City, Zhejiang province 314100 dry kiln Town Road No. 88 Room 308 leaves

Patentee before: ZHEJIANG COWIN FASTECH CO., LTD.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140430

Termination date: 20201120