CN108561400A - A kind of high-strength bolt group for being not easy to twist into two parts - Google Patents
A kind of high-strength bolt group for being not easy to twist into two parts Download PDFInfo
- Publication number
- CN108561400A CN108561400A CN201810767425.3A CN201810767425A CN108561400A CN 108561400 A CN108561400 A CN 108561400A CN 201810767425 A CN201810767425 A CN 201810767425A CN 108561400 A CN108561400 A CN 108561400A
- Authority
- CN
- China
- Prior art keywords
- ring body
- nut
- auxiliary
- twist
- screw rod
- 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.)
- Pending
Links
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 238000010276 construction Methods 0.000 claims description 3
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
Abstract
The invention discloses a kind of high-strength bolt groups for being not easy to twist into two parts, including bolt head, screw rod, main nut, auxiliary nut, the bolt head bottom end is fixed with a screw rod, screw rod is located at the center of bolt head, the screw rod end is stubborn, and there are one main nuts, main nut is cylinder, external screw thread is equipped with outside main nut, the auxiliary nut is in hexagon, auxiliary nut is made of the first ring body and the second ring body, first inner wall of ring body is equipped with and the matched internal thread of external screw thread, first ring body bottom end is fixed with the second ring body, the roof of second ring body resists the lower face of main nut.The present invention is by matching auxiliary nut with main nut so that main nut can be driven by auxiliary nut, and when exerting a force excessive, the first ring body of auxiliary nut can first be split, and is effectively protected main nut and screw rod, be ensure that the validity of high-strength bolt group.
Description
【Technical field】
The present invention relates to the technical fields of the technical field of fastener, especially high-strength bolt.
【Background technology】
Fastener is widely used in various fields, and different components can be fixed, and high-strength bolt group is
A kind of common fastener.Existing high-strength bolt group can generally apply prestressing force during using, and use process
In generally require dedicated tool, if being easy to be twisted into two parts when specific purpose tool useless or specific purpose tool fail.
【Invention content】
The purpose of the present invention is exactly to solve the problems of the prior art, proposes a kind of high-strength bolt group for being not easy to twist into two parts,
High-strength bolt group can be made to be not easy to twist into two parts.
To achieve the above object, the present invention proposes a kind of high-strength bolt group for being not easy to twist into two parts, including bolt head, spiral shell
Bar, main nut, auxiliary nut, the bolt head bottom end are fixed with a screw rod, and screw rod is located at the center of bolt head, the screw rod
End is stubborn, and there are one main nuts, and main nut is cylinder, and external screw thread is equipped with outside main nut, and the auxiliary nut is in hexagon,
Auxiliary nut is made of the first ring body and the second ring body, the first inner wall of ring body be equipped with the matched internal thread of external screw thread, the
One ring body bottom end is fixed with the second ring body, and the roof of the second ring body resists the lower face of main nut.
Preferably, the upper edge of the main nut is equipped with a flange, set that there are one cyclic annular on the lower face of flange
First auxiliary tank, the first auxiliary tank are embedded with several balls, and the upper surface of auxiliary nut is in contact with ball.
Preferably, the inner wall of first auxiliary tank is equipped with elastic layer, the upper end of auxiliary nut sets that there are one with the
The longitudinal section of corresponding second auxiliary tank annular in shape of one auxiliary tank, the first auxiliary tank and the second auxiliary tank is arc-shaped.
Preferably, first ring body is a thin-wall construction, the intensity of the first ring body is less than the intensity of screw rod.
Preferably, first ring body and the second ring body are an integral structure, the internal diameter of the second ring body is more than screw rod
Internal diameter.
Preferably, the bottom end of the bolt head is fixed with circle reinforcing ring, the hole at reinforcing ring center is in truncated cone, is added
Strong ring and bolt head are an integral structure.
Preferably, the upper surface of the main nut is equipped with the self-tightening lines of several protrusions, self-tightening lines has elasticity.
Beneficial effects of the present invention：The present invention is by matching auxiliary nut with main nut so that main nut can be auxiliary
Nut is helped to drive, and first ring body of auxiliary nut can first be split when exerting a force excessive, be effectively protected main nut and screw rod,
It ensure that the validity of high-strength bolt group；The setting of ball makes auxiliary nut that can preferably turn.
The feature and advantage of the present invention will be described in detail by embodiment combination attached drawing.
【Description of the drawings】
Fig. 1 is a kind of front view for the high-strength bolt group for being not easy to twist into two parts of the present invention.
In figure：1- bolt heads, 2- screw rods, 3- main nuts, 4- auxiliary nuts, 10- reinforcing rings, 30- self-tightenings lines, 31- are convex
Edge, the first auxiliary tanks of 35-, 36- elastic layers, 37- balls, the first ring bodies of 41-, the second ring bodies of 42-, the second auxiliary tanks of 45-.
【Specific implementation mode】
Refering to fig. 1, a kind of high-strength bolt group for being not easy to twist into two parts of the present invention, including it is bolt head 1, screw rod 2, main nut 3, auxiliary
Nut 4,1 bottom end of the bolt head is helped to be fixed with a screw rod 2, screw rod 2 is located at the center of bolt head 1, and 2 end of the screw rod is twisted
There are one main nuts 3, and main nut 3 is cylinder, and 3 outside of main nut is equipped with external screw thread, and the auxiliary nut 4 is in hexagon, auxiliary
Nut 4 is helped to be made of the first ring body 41 and the second ring body 42,41 inner wall of the first ring body is equipped with and the matched interior spiral shell of external screw thread
Line, 41 bottom end of the first ring body are fixed with the second ring body 42, and the roof of the second ring body 42 resists the lower face of main nut 3, the master
The upper edge of nut 3 is equipped with a flange 31, is set on the lower face of flange 31 there are one cyclic annular first auxiliary tank 35, first is auxiliary
Slot 35 is helped to be embedded with several balls 37, the upper surface of auxiliary nut 4 is in contact with ball 37, the inner wall of first auxiliary tank 35
It is equipped with elastic layer 36, the upper end of auxiliary nut 4 sets that there are one second auxiliary annular in shape corresponding with the first auxiliary tank 35
The longitudinal section of slot 45, the first auxiliary tank 35 and the second auxiliary tank 45 is arc-shaped, and first ring body 41 is a thin-wall construction, the
The intensity of one ring body 41 is less than the intensity of screw rod 2, and first ring body, 41 and second ring body 42 is an integral structure, the second ring body
42 internal diameter is more than the internal diameter of screw rod 2, and the bottom end of the bolt head 1 is fixed with circle reinforcing ring 10, the hole at 10 center of reinforcing ring
In truncated cone, reinforcing ring 10 and bolt head 1 are an integral structure, the upper surface of the main nut 3 be equipped with several protrusions from
Tight lines 30, self-tightening lines 30 have elasticity.
The course of work of the present invention：
During the work time, auxiliary nut 4 matches a kind of high-strength bolt group for being not easy to twist into two parts of the present invention with main nut 3
It closing so that main nut 3 can be driven by auxiliary nut 4, and first ring body 41 of auxiliary nut 4 can first be split when exerting a force excessive,
It is effectively protected main nut 3 and screw rod 2, ensure that the validity of high-strength bolt group；The setting of ball 37 to assist spiral shell
Mother 4 can preferably turn.
Above-described embodiment is the description of the invention, is not limitation of the invention, it is any to simple transformation of the present invention after
Scheme all belong to the scope of protection of the present invention.
Claims (7)
1. a kind of high-strength bolt group for being not easy to twist into two parts, it is characterised in that：Including bolt head (1), screw rod (2), main nut (3),
Auxiliary nut (4), bolt head (1) bottom end are fixed with a screw rod (2), and screw rod (2) is located at the center of bolt head (1), institute
It states screw rod (2) end to twist there are one main nut (3), main nut (3) is cylinder, and external screw thread is equipped with outside main nut (3), described
Auxiliary nut (4) is in hexagon, and auxiliary nut (4) is made of the first ring body (41) and the second ring body (42), the first ring body (41)
Inner wall be equipped with the matched internal thread of external screw thread, the first ring body (41) bottom end is fixed with the second ring body (42), the second ring body
(42) roof resists the lower face of main nut (3).
2. a kind of high-strength bolt group for being not easy to twist into two parts as described in claim 1, it is characterised in that：The main nut (3)
Upper edge is equipped with a flange (31), is set on the lower face of flange (31) there are one cyclic annular first auxiliary tank (35), first is auxiliary
Slot (35) is helped to be embedded with several balls (37), the upper surface of auxiliary nut (4) is in contact with ball (37).
3. a kind of high-strength bolt group for being not easy to twist into two parts as claimed in claim 2, it is characterised in that：First auxiliary tank
(35) inner wall is equipped with elastic layer (36), and the upper end of auxiliary nut (4) sets that there are one corresponding with the first auxiliary tank (35)
The longitudinal section of second auxiliary tank (45) annular in shape, the first auxiliary tank (35) and the second auxiliary tank (45) is arc-shaped.
4. a kind of high-strength bolt group for being not easy to twist into two parts as described in claim 1, it is characterised in that：First ring body (41)
For a thin-wall construction, the intensity of the first ring body (41) is less than the intensity of screw rod (2).
5. a kind of high-strength bolt group for being not easy to twist into two parts as described in claim 1, it is characterised in that：First ring body (41)
It is an integral structure with the second ring body (42), the internal diameter of the second ring body (42) is more than the internal diameter of screw rod (2).
6. a kind of high-strength bolt group for being not easy to twist into two parts as described in claim 1, it is characterised in that：The bolt head (1)
Bottom end is fixed with circle reinforcing ring (10), and the hole at reinforcing ring (10) center is in truncated cone, and reinforcing ring (10) and bolt head (1) are
Integral structure.
7. a kind of high-strength bolt group for being not easy to twist into two parts as described in claim 1, it is characterised in that：The main nut (3)
Upper surface is equipped with the self-tightening lines (30) of several protrusions, and self-tightening lines (30) has elasticity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810767425.3A CN108561400A (en) | 2018-07-13 | 2018-07-13 | A kind of high-strength bolt group for being not easy to twist into two parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810767425.3A CN108561400A (en) | 2018-07-13 | 2018-07-13 | A kind of high-strength bolt group for being not easy to twist into two parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108561400A true CN108561400A (en) | 2018-09-21 |
Family
ID=63555293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810767425.3A Pending CN108561400A (en) | 2018-07-13 | 2018-07-13 | A kind of high-strength bolt group for being not easy to twist into two parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108561400A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159633A (en) * | 2019-06-04 | 2019-08-23 | 海盐鼎丰紧固件有限公司 | A kind of high-strength bolt for being not easy to twist into two parts |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2071273U (en) * | 1989-06-05 | 1991-02-13 | 张庄宏 | Double hexagonal torsional high strength threaded bolt jiont |
| JP2000055029A (en) * | 1998-08-06 | 2000-02-22 | Hitoshi Hayashi | Fastening tool |
| WO2007136358A1 (en) * | 2006-05-24 | 2007-11-29 | Mitas Civata Sanayi Ve Ticaret Ltd. Sti. | Bolt and nut fastening set secured against theft |
| CN105937538A (en) * | 2016-05-20 | 2016-09-14 | 李武彬 | Structure of locknut and locking adjusting method for locknut |
| CN106015256A (en) * | 2016-08-15 | 2016-10-12 | 钦州学院 | Easy-to-screw-up flexible bolt with hexagonal threaded end |
| CN106369036A (en) * | 2016-11-22 | 2017-02-01 | 中国南方电网有限责任公司超高压输电公司梧州局 | Torque control type nut and spanner special for same |
-
2018
- 2018-07-13 CN CN201810767425.3A patent/CN108561400A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2071273U (en) * | 1989-06-05 | 1991-02-13 | 张庄宏 | Double hexagonal torsional high strength threaded bolt jiont |
| JP2000055029A (en) * | 1998-08-06 | 2000-02-22 | Hitoshi Hayashi | Fastening tool |
| WO2007136358A1 (en) * | 2006-05-24 | 2007-11-29 | Mitas Civata Sanayi Ve Ticaret Ltd. Sti. | Bolt and nut fastening set secured against theft |
| CN105937538A (en) * | 2016-05-20 | 2016-09-14 | 李武彬 | Structure of locknut and locking adjusting method for locknut |
| CN106015256A (en) * | 2016-08-15 | 2016-10-12 | 钦州学院 | Easy-to-screw-up flexible bolt with hexagonal threaded end |
| CN106369036A (en) * | 2016-11-22 | 2017-02-01 | 中国南方电网有限责任公司超高压输电公司梧州局 | Torque control type nut and spanner special for same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159633A (en) * | 2019-06-04 | 2019-08-23 | 海盐鼎丰紧固件有限公司 | A kind of high-strength bolt for being not easy to twist into two parts |
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