CN206668712U - M36 torque-shear type round end high strength bolt connection pairs - Google Patents
M36 torque-shear type round end high strength bolt connection pairs Download PDFInfo
- Publication number
- CN206668712U CN206668712U CN201720279554.9U CN201720279554U CN206668712U CN 206668712 U CN206668712 U CN 206668712U CN 201720279554 U CN201720279554 U CN 201720279554U CN 206668712 U CN206668712 U CN 206668712U
- Authority
- CN
- China
- Prior art keywords
- torque
- high strength
- bolt connection
- end high
- strength bolt
- 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
Links
- 238000012856 packing Methods 0.000 claims abstract description 17
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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- Bolts, Nuts, And Washers (AREA)
Abstract
The utility model discloses a kind of M36 torque-shear types round end high strength bolt connection pairs, it includes bolt, nut and packing ring, bolt includes the round head being sequentially connected, polished rod portion, threaded portion, fracture, gear part, round head, polished rod portion, threaded portion, fracture, it is integrally formed between gear part, the side that polished rod portion is connected in round head is provided with one first scrobicular ring, the first elastic component is embedded with first scrobicular ring, the side away from polished rod portion is provided with an anti-rotation groove in round head, fracture V grooves in a ring, angle between the both sides internal face of annular V groove is 60 degree, and a diameter of 28~30mm of smallest circle of annular V groove, the middle part of packing ring is provided with a perforation, one end of perforation is provided with a chamfering.The utility model causes there is certain pretension during bolt connection, effectively avoids connection from loosening.Meanwhile bolt is effectively limited when turning by anti-rotation groove and driven, ensure that bolt being capable of normal use.
Description
Technical field
It the utility model is related to a kind of M36 torque-shear types round end high strength bolt connection pairs.
Background technology
At present, torque-shear type round end high strength bolt connection pairs are important components indispensable in securing member, are used
In the connection of bridge, rail, high pressure and extra-high tension unit.
But in running at high speed, under severe impact, the adverse circumstances such as vibration, because torque-shear type round end high-strength bolt connects
Connect pair to be acted on by alternate load, easily produce loosening, so as to cause connection fastening to be failed, easily cause damage, cause huge
Big economic loss.Meanwhile the head of torque-shear type round end high strength bolt connection pairs is in round end shape, can not use spanner or its
His instrument carries out tightening fixation.
Utility model content
The technical problems to be solved in the utility model is to be also easy to produce loosening in the prior art to overcome, and can not use instrument
A kind of the defects of tightening, there is provided M36 torque-shear types round end high strength bolt connection pairs.
The utility model is that solve above-mentioned technical problem by following technical proposals：
A kind of M36 torque-shear types round end high strength bolt connection pairs, it includes bolt, nut and packing ring, and its feature is,
The bolt includes the round head being sequentially connected, polished rod portion, threaded portion, fracture, gear part, the round head, the light
It is integrally formed between bar portion, the threaded portion, the fracture, the gear part, the polished rod portion is connected in the round head
Side be provided with one first scrobicular ring, the first elastic component is embedded with first scrobicular ring, away from the polished rod in the round head
The side in portion is provided with an anti-rotation groove, fracture V grooves in a ring, and the angle between the both sides internal face of the annular V groove is
60 degree, and a diameter of 28~30mm of smallest circle of the annular V groove, the middle part of the packing ring are provided with a perforation, the perforation
One end is provided with a chamfering.
It is preferred that the junction between the round head and the polished rod portion is provided with an arc sections, the half of the arc sections
Footpath is 2mm.
It is preferred that the gear quantity of the gear part is 12.
It is preferred that the side of the nut is provided with one second scrobicular ring, the second elastic component is embedded with second scrobicular ring.
It is preferred that the material of first elastic component and second elastic component is rubber.
It is preferred that the groove depth of first scrobicular ring and second scrobicular ring is 3~5mm.
It is preferred that the shape of the anti-rotation groove is in hexagon.
It is preferred that the bolt, the nut, the outer surface of the packing ring are coated with zinc-rich coating.
On the basis of common sense in the field is met, above-mentioned each optimum condition, can be combined, produce the utility model respectively compared with
Good example.
Positive effect of the present utility model is：
M36 torque-shear types round end high strength bolt connection pairs of the present utility model so that there is certain pretension during bolt connection,
Connection is effectively avoided to be lost caused by loosening.Meanwhile bolt is effectively limited when turning by anti-rotation groove and driven, ensure bolt
Being capable of normal use.
Brief description of the drawings
Fig. 1 is the structural representation of the M36 torque-shear type round end high strength bolt connection pairs of the utility model preferred embodiment.
Fig. 2 is the main view of the bolt of the M36 torque-shear type round end high strength bolt connection pairs of the utility model preferred embodiment
Structural representation.
Fig. 3 is the backsight of the bolt of the M36 torque-shear type round end high strength bolt connection pairs of the utility model preferred embodiment
Structural representation.
Fig. 4 is the inside of the packing ring of the M36 torque-shear type round end high strength bolt connection pairs of the utility model preferred embodiment
Structural representation.
Description of reference numerals：
Bolt 1, round head 11, anti-rotation groove 111, the first elastic component 112, arc sections 113
Polished rod portion 12, threaded portion 13, fracture 14, gear part 15
Nut 2, the second elastic component 21
Packing ring 3, perforation 31, chamfering 32
Embodiment
Below by embodiment mode and become apparent from intactly illustrating the utility model with reference to accompanying drawing, but not therefore
The utility model is limited among described scope of embodiments.
As shown in Figure 1, Figure 2 and Figure 3, M36 torque-shear types round end high strength bolt connection pairs of the present utility model, it includes
Bolt 1, nut 2, packing ring 3, bolt 1 include the round head 11 being sequentially connected, polished rod portion 12, threaded portion 13, fracture 14, tooth
Wheel portion 15, it is integrally formed between round head 11, polished rod portion 12, threaded portion 13, fracture 14, gear part 15, connects in round head 11
The side for meeting polished rod portion 12 is provided with one first scrobicular ring (not shown), the first elastic component 112 is embedded with the first scrobicular ring, tight
Certain pretension can be produced by the bolt 1 of the first elastic component 112 when being solidly connected, i.e., interference is matched somebody with somebody between bolt 1 and packing ring 3
Close connection, effectively prevent connection loosen, avoid because connection loosen and caused by lose.
The side away from polished rod portion 12 is provided with an anti-rotation groove 111 in round head 11, is inserted with instrument in anti-rotation groove 111,
Bolt 1 will not be driven to rotate when using M36 torque-shear type round end high strength bolt connection pairs, ensure that bolt 1 can normally make
With.Meanwhile bolt 1 can be tightened and dismantled by anti-rotation groove 111.Preferably, the shape of anti-rotation groove 111 is in hexagonal
Shape, it is of course also possible to be triangle, square or other shapes structure.
Junction between round head 11 and polished rod portion 12 can be provided with an arc sections 113, and the radius of arc sections 113 is
2mm.Bonding strength between the structure of strengthening stud 1.Threaded portion 13 has external screw thread, is threadedly coupled between nut 2.Fracture
14 V grooves in a ring, the angle between the both sides internal face of annular V groove is 60 degree, and the smallest circle a diameter of 28 of annular V groove~
30mm, the structural strength of effective strengthening stud 1, meanwhile, ensure the M36 torque-shear types round end high intensity spiral shell when being pulled off of fracture 14
Bolt auxiliary connection can be fastenedly connected.Gear part 15 is connected to fracture 14, specific purpose tool active force in gear part 15 so that
Fracture 14 is obtained to be pulled off.Preferably, the gear quantity of gear part 15 is 12.
The side of nut 2 can be provided with one second scrobicular ring (not shown), and the second elastic component is embedded with the second scrobicular ring
21.Certain pretension can be produced by the nut 2 of the second elastic component 21 when being fastenedly connected, i.e., between nut 2 and packing ring 3
Interference fit connection, effectively prevent connection loosen, avoid because connection loosen and caused by lose.
The material of first elastic component 112 and the second elastic component 21 can be rubber, cost-effective, and service life is grown.
The groove depth of first scrobicular ring and the second scrobicular ring can be 3~5mm, effectively avoid the first elastic component 112 and the second elastic component 21 from producing
Raw obscission.Preferably, the shape of the first scrobicular ring and the second scrobicular ring can be dovetail shaped.
As shown in figure 4, the middle part of packing ring 3 can be provided with a perforation 31,31 one end of perforating is provided with a chamfering 32, can gone
Except packing ring 3 is in burr caused by processing, it is easy to assemble.Preferably, the angle of inclination of chamfering 32 can be 45 degree.
Bolt 1, nut 2, the outer surface of packing ring 3 can be coated with zinc-rich coating.So that bolt 1, nut 2, packing ring 3 are all
With higher antiseptic and rustproof performance, meanwhile, the convenient disassembly of M36 torque-shear type round end high strength bolt connection pairs.
Although the foregoing describing specific embodiment of the present utility model, it will be appreciated by those of skill in the art that
This is merely illustrative of, and the scope of protection of the utility model is defined by the appended claims.Those skilled in the art
On the premise of without departing substantially from principle of the present utility model and essence, various changes or modifications can be made to these embodiments,
But these changes and modification each fall within the scope of protection of the utility model.
Claims (8)
1. a kind of M36 torque-shear types round end high strength bolt connection pairs, it includes bolt, nut and packing ring, it is characterised in that institute
State bolt and include the round head being sequentially connected, polished rod portion, threaded portion, fracture, gear part, the round head, the polished rod
It is integrally formed between portion, the threaded portion, the fracture, the gear part, the polished rod portion is connected in the round head
Side is provided with one first scrobicular ring, is embedded with the first elastic component in first scrobicular ring, away from the polished rod portion in the round head
Side be provided with an anti-rotation groove, fracture V grooves in a ring, the angle between the both sides internal face of the annular V groove is 60
Degree, and a diameter of 28~30mm of smallest circle of the annular V groove, the middle part of the packing ring are provided with one and perforated, and the one of the perforation
End is provided with a chamfering.
2. M36 torque-shear types round end high strength bolt connection pairs as claimed in claim 1, it is characterised in that the round head with
Junction between the polished rod portion is provided with an arc sections, and the radius of the arc sections is 2mm.
3. M36 torque-shear types round end high strength bolt connection pairs as claimed in claim 1, it is characterised in that the gear part
Gear quantity is 12.
4. M36 torque-shear types round end high strength bolt connection pairs as claimed in claim 1, it is characterised in that the one of the nut
Side is provided with one second scrobicular ring, and the second elastic component is embedded with second scrobicular ring.
5. M36 torque-shear types round end high strength bolt connection pairs as claimed in claim 4, it is characterised in that first elasticity
The material of part and second elastic component is rubber.
6. M36 torque-shear types round end high strength bolt connection pairs as claimed in claim 4, it is characterised in that first scrobicular ring
Groove depth with second scrobicular ring is 3~5mm.
7. M36 torque-shear types round end high strength bolt connection pairs as claimed in claim 1, it is characterised in that the anti-rotation groove
Shape is in hexagon.
8. the M36 torque-shear type round end high strength bolt connection pairs as any one of claim 1-7, it is characterised in that institute
State bolt, the nut, the outer surface of the packing ring are coated with zinc-rich coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720279554.9U CN206668712U (en) | 2017-03-21 | 2017-03-21 | M36 torque-shear type round end high strength bolt connection pairs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720279554.9U CN206668712U (en) | 2017-03-21 | 2017-03-21 | M36 torque-shear type round end high strength bolt connection pairs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206668712U true CN206668712U (en) | 2017-11-24 |
Family
ID=60373781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720279554.9U Expired - Fee Related CN206668712U (en) | 2017-03-21 | 2017-03-21 | M36 torque-shear type round end high strength bolt connection pairs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206668712U (en) |
-
2017
- 2017-03-21 CN CN201720279554.9U patent/CN206668712U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20171124 |