CN204025294U - Locking bolt components - Google Patents
Locking bolt components Download PDFInfo
- Publication number
- CN204025294U CN204025294U CN201420472487.9U CN201420472487U CN204025294U CN 204025294 U CN204025294 U CN 204025294U CN 201420472487 U CN201420472487 U CN 201420472487U CN 204025294 U CN204025294 U CN 204025294U
- Authority
- CN
- China
- Prior art keywords
- bolt
- nut
- breach
- group
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of locking bolt components, its drip irrigation device comprises the first bolt group be made up of the first bolt, the first nut and the second bolt group be made up of the second bolt, the second nut, described second bolt group axially runs through the first bolt group and the first bolt group that is fixedly clamped, and described first bolt group and the second bolt group are contrary setting.The utility model has the advantages that there is better anti-loosening effect, make locking effect better.
Description
Technical field
The utility model relates to a kind of fastening piece, is specifically related to a kind of locking bolt components.
Background technique
Bolt is by head and screw rod (with an externally threaded cylindrical body) class fastening piece dimerous, and need and nut screw connection, for being fastenedly connected two parts with through hole, this Connecting format claims bolt to connect.
Bolt in the past connects the problem that ubiquity loosens, especially under the environment with vibrations.The essence of bolt looseness is that nut and screw flight joint loosen, and nut eases out to screw rod end, causes the part that will clamp to clamp not only, there is certain potential safety hazard.
Model utility content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of locking bolt components, and it has better anti-loosening effect, makes locking effect better.
For achieving the above object, the utility model provides following technological scheme: a kind of locking bolt components, comprise bolt, nut, nut thread is connected on the screw rod of bolt, be characterized as the first bolt group comprising and being made up of the first bolt, the first nut and the second bolt group be made up of the second bolt, the second nut, described second bolt group axially runs through the first bolt group and the first bolt group that is fixedly clamped, and described first bolt group and the second bolt group are contrary setting.
By adopting technique scheme, by by the first bolt through the mounting hole of two parts tighten again the first nut clamped time, by the second bolt the other way around, axially run through the first bolt, and by the fastening effect of the second nut and the second bolt by the clamping tightly of the first nut, prevent the first nut from easing out to the end of the first bolt, make fastening effect better, prevent from loosening.
The utility model is set to further: the end of described first bolt is provided with the through hole of the through head to the first bolt, the outer wall of the screw rod of described first bolt is axially arranged with the breach of UNICOM's through hole, the screw rod of described second bolt is connected with the second nut thread in the head place of the first bolt through through hole, the head of described second bolt is the radial projection protruding the screw rod of the second bolt, described projection is displaced into axial displacement in breach with the second bolt, and described projection radial direction is extended outside breach.
Such scheme is further explained: the end of the first bolt is axially arranged with through hole between head, and the screw rod outer wall of the first bolt is axially arranged with the breach of UNICOM's through hole, through hole is used for sheathed second bolt, and the head of the second bolt can embed in breach with the axial displacement in breach of the second bolt, this head and for protrude breach arrange, therefore the second bolt wears head to the first bolt by through hole from the end face of the first bolt, wear in process, the head of the second bolt can axial displacement in breach, can't be blocked by the end face of the first bolt, the bolt of second can be moved until the head (projection) of the second bolt is conflicted on the first nut to the head side of the first bolt, now again the second nut is screwed on the screw rod of the second bolt, first bolt and the first nut are closely clamped.First bolt group Clamp blocks, the second bolt group is again by the first bolt group clamping simultaneously, makes part can obtain more effective clamping, effectively prevents from loosening.
The utility model is set to further: described breach is two places and is evenly distributed on the screw rod of the first bolt, the number of described projection and position is corresponding with breach arranges.
By adopting technique scheme, breach is set to two places, namely the corresponding projection for the first nut of conflicting can be set to two, and breach is evenly distributed on the screw rod of the first bolt, make the surface of contact of projection to the first nut larger, stronger to conflict effect during the first nut loosening, stressed evenly, anti-loosing effect is better.
Accompanying drawing explanation
Fig. 1 is the explosive view of the utility model locking bolt components embodiment;
Fig. 2 is the structural representation of the utility model locking bolt components embodiment first bolt;
Fig. 3 is the front view of the utility model locking bolt components embodiment first bolt;
Fig. 4 is the plan view of the utility model locking bolt components embodiment first bolt;
Fig. 5 is the worm's eye view of the utility model locking bolt components embodiment first bolt.
Description of reference numerals: 1, the first bolt; 2, the first nut; 3, the second bolt; 4, the second nut; 11, through hole; 12, breach; 31, projection.
Embodiment
Referring to figs. 1 through Fig. 5, the utility model locking bolt components embodiment is described further.
The present embodiment locking bolt components, comprise bolt, nut, nut thread is connected on the screw rod of bolt, be characterised in that 1 group, the first bolt comprising and being made up of the first bolt 1, first nut 2 and 3 groups, the second bolt be made up of the second bolt 3, second nut 4, described 3 groups, second bolt axially runs through 1 group, the first bolt and 1 group, the first bolt that is fixedly clamped, and described 1 group, first bolt is arranged in contrary with 3 groups, the second bolt.By by the first bolt 1 through the mounting hole of two parts tighten again the first nut 2 clamped time, by the second bolt 3 the other way around, axially run through the first bolt 1, and by the fastening effect of the second nut 4 and the second bolt 3 by the first nut 2 clamping tightly, prevent the first nut 2 from easing out to the end of the first bolt 1, make fastening effect better, prevent from loosening.
Further, the end of described first bolt 1 is provided with the through hole 11 of the through head to the first bolt 1, the outer wall of the screw rod of described first bolt 1 is axially arranged with the breach 12 of UNICOM's through hole 11, the screw rod of described second bolt 3 is threaded with the second nut 4 in the head place of the first bolt 1 through through hole 11, the head of described second bolt 3 is the radial projection 31 protruding the screw rod of the second bolt 3, described projection 31 is displaced into axial displacement in breach 12 with the second bolt 3, and described projection 31 radial direction is extended outside breach 12.The end of the first bolt 1 is axially arranged with through hole 11 between head, and the screw rod outer wall of the first bolt 1 is axially arranged with the breach 12 of UNICOM's through hole 11, through hole 11 is for sheathed second bolt 3, and the head of the second bolt 3 can embed in breach 12 with second bolt 3 axial displacement in breach 12, this head and for protrude breach 12 arrange, therefore the second bolt 3 wears head to the first bolt 1 by through hole 11 from the end face of the first bolt 1, wear in process, the head of the second bolt 3 can axial displacement in breach 12, can't be blocked by the end face of the first bolt 1, the bolt of second can be moved until the head (projection 31) of the second bolt 3 is conflicted on the first nut 2 to the head side of the first bolt 1, now again the second nut 4 is screwed on the screw rod of the second bolt 3, first bolt 1 and the first nut 2 are closely clamped.First 1 group, bolt Clamp blocks, 3 groups, the second bolt is again by the clamping of 1 group, the first bolt simultaneously, makes part can obtain more effective clamping, effectively prevents from loosening.Certainly can also set up and set up pad etc. on screw rod, play further locking effect.
Described breach 12 is two places and is evenly distributed on the screw rod of the first bolt 1, the number of described projection 31 and position is corresponding with breach 12 arranges.Breach 12 is set to two places, namely the corresponding projection 31 for the first nut 2 of conflicting can be set to two, and breach 12 is evenly distributed on the screw rod of the first bolt 1, make the surface of contact of projection 31 to the first nut 2 larger, conflict effect when loosening the first nut 2 is stronger, stressed evenly, anti-loosing effect is better.Breach 12 is that two places are only as preferred embodiment herein, be three places, also can everywhere, but breach 12 place cannot arrange screw thread, therefore increasing of breach 12 also can weaken the fastening effect of screw thread to the first nut 2, therefore be preferably two places herein, the fastening effect of formation and the conflict effect of projection 31 to the first nut 2 integrate as the best.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, all within design concept of the present utility model, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (3)
1. a locking bolt components, comprise bolt, nut, nut thread is connected on the screw rod of bolt, it is characterized in that: comprise the first bolt group be made up of the first bolt, the first nut and the second bolt group be made up of the second bolt, the second nut, described second bolt group axially runs through the first bolt group and the first bolt group that is fixedly clamped, and described first bolt group and the second bolt group are contrary setting.
2. locking bolt components according to claim 1, it is characterized in that: the end of described first bolt is provided with the through hole of the through head to the first bolt, the outer wall of the screw rod of described first bolt is axially arranged with the breach of UNICOM's through hole, the screw rod of described second bolt is connected with the second nut thread in the head place of the first bolt through through hole, the head of described second bolt is the radial projection protruding the screw rod of the second bolt, described projection is displaced into axial displacement in breach with the second bolt, and described projection radial direction is extended outside breach.
3. locking bolt components according to claim 2, is characterized in that: described breach is two places and is evenly distributed on the screw rod of the first bolt, the number of described projection and position is corresponding with breach arranges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420472487.9U CN204025294U (en) | 2014-08-20 | 2014-08-20 | Locking bolt components |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420472487.9U CN204025294U (en) | 2014-08-20 | 2014-08-20 | Locking bolt components |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204025294U true CN204025294U (en) | 2014-12-17 |
Family
ID=52065165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420472487.9U Expired - Fee Related CN204025294U (en) | 2014-08-20 | 2014-08-20 | Locking bolt components |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204025294U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630911A (en) * | 2017-08-09 | 2018-01-26 | 宁波市镇海甬鼎紧固件制造有限公司 | A kind of check bolt |
-
2014
- 2014-08-20 CN CN201420472487.9U patent/CN204025294U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630911A (en) * | 2017-08-09 | 2018-01-26 | 宁波市镇海甬鼎紧固件制造有限公司 | A kind of check bolt |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20210820 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |