CN207080485U - Subassembly of lock bolt - Google Patents
Subassembly of lock bolt Download PDFInfo
- Publication number
- CN207080485U CN207080485U CN201721014162.6U CN201721014162U CN207080485U CN 207080485 U CN207080485 U CN 207080485U CN 201721014162 U CN201721014162 U CN 201721014162U CN 207080485 U CN207080485 U CN 207080485U
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- CN
- China
- Prior art keywords
- bolt
- nut
- claw
- connecting portion
- locating part
- Prior art date
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Abstract
A kind of fastener is the utility model is related to, especially a kind of bolt assembly for preventing connection from loosening.The utility model adopts the following technical scheme that, a kind of subassembly of lock bolt, including screw bolt and nut, it is characterised in that：The locating part of displacement screw can be limited by being arranged with the bolt, the nut is set on locating part, the locating part includes connecting portion and several claws, the claw is arranged on one end of connecting portion and being provided at circumferentially spaced along connecting portion, end face of the claw away from connecting portion and the part fastened are inconsistent, the claw, which is provided with, to be used in nut along bolt axially to the first inclined-plane for realizing that claw collapses is coordinated when being tightened close to bolt head with nut, and the bolt is provided with the lug boss for being available for claw to collapse clamping.By using such scheme, the utility model overcomes the shortcomings of the prior art, there is provided a kind of bolt assembly, rising can prevent connection from loosening, and connection is more stable.
Description
Technical field
A kind of fastener is the utility model is related to, especially a kind of bolt assembly for preventing connection from loosening.
Background technology
The fastener of nuts and bolt composition is widely used in the fastening between plant equipment or part, when nut and spiral shell
When bolt mutually fastens for two or more parts, each part is correspondingly arranged on the through hole for being available for the bar portion of bolt interspersed, first pacifies
Bolt is filled, packing ring is loaded onto in the bar portion of bolt, then tightens nut, packing ring is mutually compressed with the part fastened, and packing ring is extruded
Elastic force is produced afterwards and causes nut hold-down bolt, and nuts and bolt connection is not easy to loosen.Bolt, nuts and washers are fastened,
In a short time, good fastening can be played, but the time one is grown, vibrated source is influenceed, and screw rod is subjected to displacement, and fastening force declines
Subtract, nut releases, and produces potential faults.
The content of the invention
The utility model overcomes the deficiencies in the prior art, there is provided a kind of bolt assembly, rising can prevent connection from loosening, even
Connect more stable.
To achieve these goals, the technical solution adopted in the utility model is：A kind of subassembly of lock bolt, including bolt
And nut, the locating part that can limit displacement screw is arranged with the bolt, and the nut is set on locating part, described spacing
Part includes connecting portion and several claws, and the claw is arranged on one end of connecting portion and being provided at circumferentially spaced along connecting portion,
End face of the claw away from connecting portion and the part fastened are inconsistent, and the claw, which is provided with, to be used in nut along bolt
Axially to the first inclined-plane for realizing that claw collapses is coordinated when being tightened close to bolt head with nut, the bolt is provided with and is available for card
Pawl collapses the lug boss of clamping.
By using such scheme, bolt assembly can be used for two parts of fastening, first by bolt cross-member, the head of bolt
Portion is resisted against on part, then locating part is arranged in the one end of bar portion away from bolt head of bolt, and locating part can be along the bar of bolt
Portion slides, and the locating part includes connecting portion and claw, and claw is arranged on one end of connecting portion and set along the circumferentially-spaced of connecting portion
Put, end face of the claw away from connecting portion and the part fastened are inconsistent, and the bar portion of bolt is provided with lug boss, and it, which exposes, is fastened
Part set, claw, which can collapse, to be clamped on lug boss, and claw is provided with the first inclined-plane, finally screws on nut, and nut can cover
It is located on locating part, nut can compress the first inclined-plane during tightening so that claw collapses, until claw clamps spiral shell
The lug boss of bolt, the fixation of locating part position is realized, under the position-limiting action of locating part and bolt head, can effectively prevent bolt
It is axially displaced along its, it can prevent connection from loosening, connection is more stable.
It is of the present utility model further set be：Corresponding first incline position of the nut is provided with the second inclined-plane, and described the
One inclined-plane and the second inclined-plane compress the gathering for coordinating and realizing claw.
By using such scheme, the diameter of connecting portion is less than the diameter of claw, and the first inclined-plane on locating part is by claw
It is obliquely installed to connecting portion direction, corresponding first incline position of nut is provided with the second inclined-plane, and when nut is constantly tightened, second is oblique
Face compresses the first inclined-plane, drives claw to be collapsed, and clamps the lug boss of bolt, and the second inclined-plane compresses with the first inclined-plane matches somebody with somebody
Close, bigger contact area, compress more stable, also reduce abrasion.
It is of the present utility model further set be：Step, end of the connecting portion away from claw are additionally provided with the nut
Face is inconsistent with step.
By using such scheme, when the nut 34 is tightened, the connecting portion of locating part is pressed on the step of nut, claw
A part exposes nut, and the end face of claw is pressed on the part fastened, and nut also gives locating part certain position-limiting action,
Connection is more stable.
It is of the present utility model further set be：The one end of the nut away from locating part is provided with internal thread, the spiral shell
Bolt is provided with the external screw thread being engaged with internal thread.
By using such scheme, the bar portion of bolt includes being provided with externally threaded threaded portion, and the diameter of threaded portion is less than convex
The diameter in the portion of rising, nut is interior to be provided with internal thread, and it can coordinate with the external screw thread of bolt, be easy to nut to tighten, matching somebody with somebody between screw thread
Close, there is auto-lock function, when nut drives locating part fishbolt, nut is threaded to specified location, is not susceptible to displacement, connection
It is more stable.
The utility model is further described below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the Integral connection structure schematic diagram of the utility model embodiment；
Fig. 2 is the structural representation of bolt in the utility model embodiment；
Fig. 3 is the schematic cross-section of nut in the utility model embodiment；
Fig. 4 is the positive structure schematic of locating part in the utility model embodiment；
Fig. 5 is the side structure schematic diagram of locating part in the utility model embodiment；
Fig. 6 is Fig. 5 A-A diagrammatic cross-sections.
Embodiment
As shown in figs 1 to 6, a kind of subassembly of lock bolt, including bolt 1 and nut 2, spiral shell can be limited by being arranged with bolt 1
The locating part 3 of the displacement of bolt 1, locating part 3 are provided with through hole 31, and locating part 3 can slide along the bar portion of bolt 1, and nut 2 is set in limit
On the part 3 of position, locating part 3 includes connecting portion 32 and three claws 33, it can also be provided that more than three, it is easy to clamping, blocks
Pawl 33 is arranged on one end of connecting portion 32 and being provided at circumferentially spaced along connecting portion 32, end face of the claw 33 away from connecting portion 32 with
The part fastened is inconsistent, and claw 33, which is provided with, to be used in nut 2 along bolt 1 axially to when being tightened close to the head of bolt 1
Coordinate the first inclined-plane 331 for realizing that claw 33 collapses with nut 2, bolt 1 is provided with the lug boss for being available for claw 33 to collapse clamping
11, the bar portion of bolt 1 includes the threaded portion 12 provided with external screw thread 121, and the diameter of threaded portion 12 is less than the diameter of lug boss 11, spiral shell
Female 2 one end away from locating part 3 are provided with internal thread 21, and the external screw thread 121 of bolt 1 is engaged realization with the internal thread 21 of nut 2
The connection of bolt 1 and nut 2.
In the present embodiment, the diameter of connecting portion 32 is less than the diameter of claw 33, the first inclined-plane 331 on locating part 3 by
Claw 33 is obliquely installed to the direction of connecting portion 32, and the corresponding position of first inclined-plane 331 of nut 2 is provided with the second inclined-plane 22, the first inclined-plane
331 and second inclined-plane 22 compress to coordinate and realize the gathering of claw 33, be additionally provided with step 23 in nut 2, connecting portion 32 is away from claw
33 end face and step 23 are inconsistent.
One kind of above example, simply the utility model preferably specific embodiment, those skilled in the art are in this reality
It is included in the usual variations and alternatives carried out in new technique aspects in the scope of protection of the utility model.
Claims (4)
1. a kind of subassembly of lock bolt, including screw bolt and nut, it is characterised in that：Bolt position can be limited by being arranged with the bolt
The locating part of shifting, the nut are set on locating part, and the locating part includes connecting portion and several claws, and the claw is set
Put in one end of connecting portion and being provided at circumferentially spaced along connecting portion, end face of the claw away from connecting portion and the portion fastened
Part is inconsistent, and the claw was provided with for axially the coordinating in fact with nut to when being tightened close to bolt head along bolt in nut
The first inclined-plane that existing claw collapses, the bolt are provided with the lug boss for being available for claw to collapse clamping.
2. subassembly of lock bolt according to claim 1, it is characterised in that：Corresponding first incline position of the nut is provided with
Second inclined-plane, first inclined-plane and the second inclined-plane compress the gathering for coordinating and realizing claw.
3. subassembly of lock bolt according to claim 1 or 2, it is characterised in that：Step is additionally provided with the nut, it is described
End face of the connecting portion away from claw and step are inconsistent.
4. subassembly of lock bolt according to claim 1 or 2, it is characterised in that：The one end of the nut away from locating part
Provided with internal thread, the bolt is provided with the external screw thread being engaged with internal thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721014162.6U CN207080485U (en) | 2017-08-14 | 2017-08-14 | Subassembly of lock bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721014162.6U CN207080485U (en) | 2017-08-14 | 2017-08-14 | Subassembly of lock bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207080485U true CN207080485U (en) | 2018-03-09 |
Family
ID=61419799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721014162.6U Active CN207080485U (en) | 2017-08-14 | 2017-08-14 | Subassembly of lock bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207080485U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110847939A (en) * | 2019-12-10 | 2020-02-28 | 中铁第四勘察设计院集团有限公司 | Steel arch frame joint |
-
2017
- 2017-08-14 CN CN201721014162.6U patent/CN207080485U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110847939A (en) * | 2019-12-10 | 2020-02-28 | 中铁第四勘察设计院集团有限公司 | Steel arch frame joint |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |