CN203548497U - Stud - Google Patents

Stud Download PDF

Info

Publication number
CN203548497U
CN203548497U CN201320739923.XU CN201320739923U CN203548497U CN 203548497 U CN203548497 U CN 203548497U CN 201320739923 U CN201320739923 U CN 201320739923U CN 203548497 U CN203548497 U CN 203548497U
Authority
CN
China
Prior art keywords
diameter
screw rod
thread
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
CN201320739923.XU
Other languages
Chinese (zh)
Inventor
杨荣德
傅献军
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.)
ZHEJIANG COWIN FASTECH Co Ltd
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 CN201320739923.XU priority Critical patent/CN203548497U/en
Application granted granted Critical
Publication of CN203548497U publication Critical patent/CN203548497U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a stud which comprises a screw rod body. The two ends of a screw rod are provided with outer threads, wherein the directions of the outer threads are opposite. A circle of spacer is arranged in the middle of the screw rod body, and the diameter of the spacer is larger than the outer diameter of each outer thread. The screw rod body at one side of the spacer extends outwards to form a head portion coaxial with a stud body, and the diameter of the head portion is smaller than or equal to the inner diameter of the corresponding outer thread. A circle of sealing glue coats one section of the outer thread of the other side of the spacer. The stud has following the advantages that parts fixed to the two ends of the stud can be spaced through the spacer and prevented from interacting with each other in the using process; the requirement for sealing the part at one end of the stud can be met through the sealing glue; one end of the stud extends to be the head portion which is in a wabbler shape, the purpose that the stud is screwed into and penetrates through the parts is achieved, and the torsion which is large enough to tighten the stud can be achieved.

Description

A kind of stud bolt
Technical field
The utility model relates to a kind of bolt, is specially a kind ofly for the stud 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 with the part of 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: minute 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.General countersunk head is used in the place that requires connection.
Stud bolt (Stud), is also double-threaded screw.For connecting mechanical fixed-link function, there is screw thread at stud bolt two, middle screw rod, have thick also have thin.Stud bolt is generally applied to: 1, being used in main body is main equipment, needs installation accessories, such as visor, mechanical sealing base, deceleration frame etc.At this moment just use stud bolt, one end is screwed into main body, installs the other end band upper cap nut after annex, and because annex is often dismounting, screw thread can wear and tear or damage, uses the stud bolt meeting of replacing very convenient.2, very large for connecting body thickness, when bolt length is very long, can use stud bolt.The place of 3, using hex head bolt to be connected for connecting slab with inconvenience, as concrete roof truss, roof girder overhead monorail beam suspender etc.But there is following defect in this bolt:
1, be not easy to tighten, when connecting two parts, when second parts is not easy to rotate again, be difficult to second parts to tighten;
2, in some local need to sealing, do not possess seal action, on automobile rearview mirror, need water-tight;
3, between two parts, can not abut against together, need to separate a segment distance, common bolt cannot be realized.
Model utility content
The purpose of this utility model is for a kind of stud bolt is provided, to fill a hole in the market.
The purpose of this utility model is achieved through the following technical solutions.
A stud bolt, comprises screw rod main body, and two of screw rod is provided with the relative outside thread of direction; In the centre of screw rod main body, be provided with a circle partition, the diameter of partition is greater than major diameter of external thread; The screw rod main body of partition one side extends to form a head coaxial with bolt body outward, and described head diameter is less than or equal to core diameter; On externally threaded one section of partition opposite side, be coated with a circle sealing gluing.
Described partition is that cylinder and frustum cone structure are formed by stacking, and the bottom surface that round platform is larger is identical with the bottom surface diameter of round platform.
Described head is plum blossom head dummy or plum blossom band column cap type.Head dummy only in this way can both guarantee not affect bolt and screws in and through parts, can have again enough strong torsion to tight a bolt.
Described externally threaded tooth form is one or both 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 design of partition, the fixing parts at stud bolt two ends can be separated, prevent from use interacting;
2, by the use of sealing gluing, can meet the demand that stud bolt one end pieces needs seal;
3, one end of stud bolt extends to the head of plum blossom head dummy, has both solved the problem that bolt screwed in and passed parts, can have again enough strong torsion to tight a bolt.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is side-looking structural representation of the present utility model;
In figure: 1, screw rod main body 2, outside thread 3, head 4, gluing 5, partition.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, further set forth structural feature of the present utility model.
As depicted in figs. 1 and 2, a kind of stud bolt, comprises screw rod main body 1, and two of screw rod main body 1 is all provided with the relative outside thread of direction 2, is provided with a circle partition 5 in the centre of screw rod main body 1, and the diameter of partition 5 is greater than outside thread 2 external diameters; The screw rod main body 1 of partition 5 one sides extends to form a head 3 coaxial with screw rod main body 1 outward, and described head 3 diameters are less than or equal to outside thread 2 internal diameters; On one section of the outside thread 2 of partition 5 opposite sides, be coated with a circle sealing gluing 4.
Described partition 5 is for cylinder and frustum cone structure are formed by stacking, and the bottom surface that round platform is larger is identical with the bottom surface diameter of round platform.
Described head 3 is plum blossom head dummy or plum blossom band column cap type.Head dummy only in this way can both guarantee not affect bolt and screws in and through parts, can have again enough strong torsion to tight a bolt.
The tooth form of described outside thread 2 is one or both in V thread screw, square threaded form, trapezoidal thread and buttress thread form.

Claims (4)

1. a stud bolt, comprises screw rod main body, and two of screw rod is provided with the relative outside thread of direction; It is characterized in that: in the centre of screw rod main body, be provided with a circle partition, the diameter of partition is greater than major diameter of external thread; The screw rod main body of partition one side extends to form a head coaxial with bolt body outward, and described head diameter is less than or equal to core diameter; On externally threaded one section of partition opposite side, be coated with a circle sealing gluing.
2. a kind of stud bolt according to claim 1, is characterized in that: described partition is that cylinder and frustum cone structure are formed by stacking, and the bottom surface that round platform is larger is identical with the bottom surface diameter of round platform.
3. a kind of stud bolt according to claim 1, is characterized in that: described head is plum blossom head dummy or plum blossom band column cap type.
4. a kind of stud bolt according to claim 1, is characterized in that: described externally threaded tooth form is one or both in V thread screw, square threaded form, trapezoidal thread and buttress thread form.
CN201320739923.XU 2013-11-20 2013-11-20 Stud Expired - Fee Related CN203548497U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320739923.XU CN203548497U (en) 2013-11-20 2013-11-20 Stud

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320739923.XU CN203548497U (en) 2013-11-20 2013-11-20 Stud

Publications (1)

Publication Number Publication Date
CN203548497U true CN203548497U (en) 2014-04-16

Family

ID=50466620

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320739923.XU Expired - Fee Related CN203548497U (en) 2013-11-20 2013-11-20 Stud

Country Status (1)

Country Link
CN (1) CN203548497U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105626652A (en) * 2016-01-15 2016-06-01 浙江吉利控股集团有限公司 Electrophoresis leakage preventing bolt

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105626652A (en) * 2016-01-15 2016-06-01 浙江吉利控股集团有限公司 Electrophoresis leakage preventing bolt

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140416

Termination date: 20141120

EXPY Termination of patent right or utility model