CN209228829U - A kind of hex bolts - Google Patents

A kind of hex bolts Download PDF

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Publication number
CN209228829U
CN209228829U CN201820984744.5U CN201820984744U CN209228829U CN 209228829 U CN209228829 U CN 209228829U CN 201820984744 U CN201820984744 U CN 201820984744U CN 209228829 U CN209228829 U CN 209228829U
Authority
CN
China
Prior art keywords
screw rod
screw thread
bolt head
thread
screw
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
CN201820984744.5U
Other languages
Chinese (zh)
Inventor
吴国伟
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.)
Haiyan County Yihan Standard Parts Factory
Original Assignee
Haiyan County Yihan Standard Parts 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 Haiyan County Yihan Standard Parts Factory filed Critical Haiyan County Yihan Standard Parts Factory
Priority to CN201820984744.5U priority Critical patent/CN209228829U/en
Application granted granted Critical
Publication of CN209228829U publication Critical patent/CN209228829U/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 hex bolts, including bolt head, screw rod, screw thread, washer, the top of the screw rod is equipped with bolt head, the bolt head and screw rod are integrally formed, the screw rod includes screw rod top, screw rod middle part and screw rod lower part, it is formed in the middle part of the screw rod top, screw rod with screw rod portion integral, the bottom of the bolt head is equipped with washer, the screw thread includes upper screw thread and lower screw thread, the upper screw thread is located on the lateral surface on screw rod top, and the lower screw thread is located on the lateral surface of screw rod lower part.A kind of hex bolts of the utility model, structure is simple, solve the problems, such as that existing some bolts are easy to slip in use for some time since screw thread is irregular, upper screw thread and lower screw thread are respectively equipped at the top and bottom of screw rod, upper screw thread and lower screw thread use different tooth forms, and the tooth form of upper screw thread uses triangle thread, and the tooth form of lower screw thread uses rectangular thread, the dual effect for screwing fastening is played, is not easy to slip screw thread is had damage at one.

Description

A kind of hex bolts
[technical field]
The utility model relates to a kind of technical field of bolt, especially a kind of technical field of hex bolts.
[background technique]
Bolt is a kind of cylindrical threaded machine components, has externally threaded cylindrical body two parts by head and screw rod Composition, need to cooperate with nut, for being fastenedly connected two with through-hole.Bolt is worked as in industrial production and manufacturing in daily life In be it is essential, with very extensive.Traditional bolt head only the bottom end of screw rod be equipped with screw thread, if screw thread it is irregular or Jagged, bolt is easy to slip in use for some time.
[utility model content]
The purpose of this utility model is exactly to solve the problems of the prior art, proposes a kind of hex bolts, is equipped with upper and lower two Section screw thread, fastening effect are more preferable.
To achieve the above object, the utility model proposes a kind of hex bolts, including bolt head, screw rod, screw thread, pad Circle, the top of the screw rod are equipped with bolt head, and the bolt head and screw rod are integrally formed, and the screw rod includes screw rod top, spiral shell In the middle part of bar and screw rod lower part, the screw rod top, screw rod middle part and the molding of screw rod portion integral, the bottom of the bolt head is equipped with Washer, the screw thread include upper screw thread and lower screw thread, and the upper screw thread is located on the lateral surface on screw rod top, and the lower screw thread is set On the lateral surface of screw rod lower part.
The hexgonal structure preferably, bolt head is positive, the bolt head include bolt head side and the bolt crown The junction of face, the bolt head side and bolt head top surface is equipped with chamfering structure, and the center of the bolt head top surface is equipped with spiral shell Bolt binding groove.
Preferably, the bolt fastening slot is circular groove structure.
Preferably, the washer includes integrally formed spacer ring body and connector, the spacer ring body and connector are Cirque structure.
Preferably, the outer diameter of the spacer ring body is greater than the outer diameter of bolt head, the outer diameter of the connector is less than bolt head Outer diameter.
Preferably, the bottom end of the screw rod lower part is equipped with screw rod tip, the screw rod tip is connected under lower screw thread End.
Preferably, the screw rod tip includes the straightway of upper end and the tip section of lower end, the straightway and tip Section is integrally formed, and the tip section is conical structure.
Preferably, the tooth form of the upper screw thread uses triangle thread, the tooth form of the lower screw thread uses rectangular thread.
The utility model has the beneficial effects that a kind of hex bolts of the utility model, structure is simple, solves existing some spiral shells Bolt is easy the problem of slipping since screw thread is irregular in use for some time, and upper spiral shell is respectively equipped at the top and bottom of screw rod Line and lower screw thread, upper screw thread and lower screw thread use different tooth forms, and the tooth form of upper screw thread uses triangle thread, the tooth of lower screw thread Type uses rectangular thread, plays the dual effect for screwing fastening, is not easy to slip screw thread is had damage at one.
The feature and advantage of the utility model will be described in detail by embodiment combination attached drawing.
[Detailed description of the invention]
Fig. 1 is a kind of structural schematic diagram of hex bolts of the utility model;
Fig. 2 is a kind of structural schematic diagram of the bolt head top surface of hex bolts of the utility model.
In figure: 1- bolt head, 2- screw rod, 3- screw thread, 4- washer, 11- bolt head side, 12- bolt head top surface, 21- spiral shell Screw thread, 41- spacer ring body, 42- connector, 120- spiral shell under bar top, 22- screw rod middle part, 23- screw rod lower part, the upper screw thread of 31-, 32- Bolt binding groove, 230- screw rod tip, 2301- straightway, 2302- tip section.
[specific embodiment]
Refering to fig. 1 with 2, a kind of hex bolts of the utility model, including bolt head 1, screw rod 2, screw thread 3, washer 4, it is described The top of screw rod 2 is equipped with bolt head 1, and the bolt head 1 and screw rod 2 are integrally formed, and the screw rod 2 includes screw rod top 21, spiral shell Bar middle part 22 and screw rod lower part 23, the screw rod top 21, screw rod middle part 22 and screw rod lower part 23 are integrally formed, the bolt head 1 bottom is equipped with washer 4, and the screw thread 3 includes upper screw thread 31 and lower screw thread 32, and the upper screw thread 31 is located at screw rod top 21 On lateral surface, the lower screw thread 32 is located on the lateral surface of screw rod lower part 23, and the bolt head 1 is positive hexgonal structure, described Bolt head 1 includes bolt head side 11 and bolt head top surface 12, the junction of the bolt head side 11 and bolt head top surface 12 Equipped with chamfering structure 13, the center of the bolt head top surface 12 is equipped with bolt fastening slot 120, and the bolt fastening slot 10 is circle Groove structure, the washer 4 includes integrally formed spacer ring body 41 and connector 42, and the spacer ring body 41 and connector 42 are equal For cirque structure, the outer diameter of the spacer ring body 41 is greater than the outer diameter of bolt head 1, and the outer diameter of the connector 42 is less than bolt head The bottom end of 1 outer diameter, the screw rod lower part 23 is equipped with screw rod tip 230, and the screw rod tip 230 is connected under lower screw thread 32 End, the tip section 2302 of straightway 2301 and lower end of the screw rod tip 230 including upper end, the straightway 2301 and tip Section 2302 is integrally formed, and the tip section 2302 is conical structure, and the tooth form of the upper screw thread 31 uses triangle thread, institute The tooth form of lower screw thread 32 is stated using rectangular thread.
Utility model works process:
During the work time, bolt head 1 is positive hexgonal structure a kind of hex bolts of the utility model, uses the works such as pliers Have fishbolt head 1, bolt is tightened on material;Screw rod 2 includes in the middle part of screw rod top 21, screw rod 22 and screw rod lower part 23, Screw thread 3 includes upper screw thread 31 and lower screw thread 32, and upper screw thread 31 is located on the lateral surface on screw rod top 21, and lower screw thread 32 is located at screw rod On the lateral surface of lower part 23, the tooth form of upper screw thread 31 uses triangle thread, and the tooth form of lower screw thread 32 uses rectangular thread, plays The dual effect for screwing fastening, is not easy to slip screw thread is had damage at one;The bottom of bolt head 1 is equipped with washer 4, plays guarantor Protect the buffer function of bolt head 1.
Above-described embodiment is the explanation to the utility model, is not the restriction to the utility model, and any pair of sheet is practical new Scheme after type simple transformation belongs to the protection scope of the utility model.

Claims (7)

1. a kind of hex bolts, it is characterised in that: including bolt head (1), screw rod (2), screw thread (3), washer (4), the screw rod (2) top is equipped with bolt head (1), and the bolt head (1) and screw rod (2) are integrally formed, and the screw rod (2) includes screw rod top (21), in the middle part of screw rod (22) and screw rod lower part (23), (22) and screw rod lower part (23) one in the middle part of the screw rod top (21), screw rod Body formed, the bottom of the bolt head (1) is equipped with washer (4), and the screw thread (3) includes upper screw thread (31) and lower screw thread (32), The upper screw thread (31) is located on the lateral surface of screw rod top (21), and the lower screw thread (32) is located at the outside of screw rod lower part (23) On face, the tooth form of the upper screw thread (31) uses triangle thread, and the tooth form of the lower screw thread (32) uses rectangular thread.
2. a kind of hex bolts as described in claim 1, it is characterised in that: the bolt head (1) is positive hexgonal structure, institute Stating bolt head (1) includes bolt head side (11) and bolt head top surface (12), the bolt head side (11) and bolt head top surface (12) junction is equipped with chamfering structure (13), and the center of the bolt head top surface (12) is equipped with bolt fastening slot (120).
3. a kind of hex bolts as claimed in claim 2, it is characterised in that: the bolt fastening slot (120) is circular recessed Slot structure.
4. a kind of hex bolts as described in claim 1, it is characterised in that: the washer (4) includes integrally formed washer Body (41) and connector (42), the spacer ring body (41) and connector (42) are cirque structure.
5. a kind of hex bolts as claimed in claim 4, it is characterised in that: the outer diameter of the spacer ring body (41) is greater than bolt head (1) outer diameter, the outer diameter of the connector (42) are less than the outer diameter of bolt head (1).
6. a kind of hex bolts as described in claim 1, it is characterised in that: the bottom end of the screw rod lower part (23) is equipped with screw rod Tip (230), the screw rod tip (230) are connected to the lower end of lower screw thread (32).
7. a kind of hex bolts as claimed in claim 6, it is characterised in that: the screw rod tip (230) includes the straight of upper end The tip section (2302) of line segment (2301) and lower end, the straightway (2301) and tip section (2302) are integrally formed, the point Head section (2302) is conical structure.
CN201820984744.5U 2018-06-26 2018-06-26 A kind of hex bolts Expired - Fee Related CN209228829U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820984744.5U CN209228829U (en) 2018-06-26 2018-06-26 A kind of hex bolts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820984744.5U CN209228829U (en) 2018-06-26 2018-06-26 A kind of hex bolts

Publications (1)

Publication Number Publication Date
CN209228829U true CN209228829U (en) 2019-08-09

Family

ID=67496859

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820984744.5U Expired - Fee Related CN209228829U (en) 2018-06-26 2018-06-26 A kind of hex bolts

Country Status (1)

Country Link
CN (1) CN209228829U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108468698A (en) * 2018-06-26 2018-08-31 海盐县奕涵标准件厂 A kind of hex bolts

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108468698A (en) * 2018-06-26 2018-08-31 海盐县奕涵标准件厂 A kind of hex bolts

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GR01 Patent grant
GR01 Patent grant
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: 20190809

Termination date: 20210626