CN2211512Y - Metal screw bolt againt vibration - Google Patents
Metal screw bolt againt vibration Download PDFInfo
- Publication number
- CN2211512Y CN2211512Y CN 95208778 CN95208778U CN2211512Y CN 2211512 Y CN2211512 Y CN 2211512Y CN 95208778 CN95208778 CN 95208778 CN 95208778 U CN95208778 U CN 95208778U CN 2211512 Y CN2211512 Y CN 2211512Y
- Authority
- CN
- China
- Prior art keywords
- vibration
- screw bolt
- bolt
- bar
- vibrationproof
- 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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- Vibration Prevention Devices (AREA)
Abstract
The utility model relates to a screw bolt, particularly an anti-vibration metal screw bolt, and the utility model is composed of a metal screw bolt and an anti-vibration strip. The anti-vibration strip is embedded in screw threads; tolerance is not generated between the metal screw threads and the anti-vibration strip, friction coefficient is increased, and the anti-vibration purpose is realized; the problem of the looseness of a nut is solved, and spring cushions are saved. The utility model is suitable for industry, agriculture, chemical industry and other industries.
Description
This practicality newly relates to a kind of bolt, specifically a kind of metal bolts of vibration proof.
The use of bolt is very wide.Need in many instances to closely cooperate between the bolts and nuts.Prevent bolt looseness.As the bolt on the automobile.Common solution is to add a spring washer between bolts and nuts, to prevent bolt looseness.Even but such possibility that yet just reduces bolt looseness is not solved at the true cause of bolt looseness.
The utility model is exactly after the real internal cause of analyzing bolt looseness, has very the problem that property is solved bolt looseness.The real internal cause of bolt looseness is to have tolerance between the screw thread; The back produces pressure though closely cooperate between the bolts and nuts, makes and produces pressure between the screw thread, because the friction factor between metal threaded is less relatively, so the pressure that produces between the screw thread also can only prolong the loosening time relatively.The utility model is to solve the tolerance between the screw thread, and the increase friction factor is a method, provides a kind of simple in structure, a kind of novel bolt that vibration proof is good.
The utility model is achieved in that at metal bolts and is embedded in more than one vibrationproof bar.The material of vibrationproof bar can be a rubber, plastics etc.; It is fixed that the shape and size of vibrationproof bar can be come according to different requirements, and shape can be a cylinder, rectangular post, and ladder type post etc., length is not more than the length of whole bolt thread, and the position of putting into bolt can be on the centre or limit of the whole screw thread of bolt.When bolt screwed in nut, the metal threaded of nut will merit silk vibrationproof bar, and the screw thread between vibrationproof bar and the nut does not just have tolerance like this, and the friction factor between nut and the vibrationproof bar is the friction factor between metal threaded just.
Below in conjunction with accompanying drawing, describe the utility model in detail.
Fig. 1 is the plan view that has three ladder type vibrationproof bolts.
Fig. 2 is the plan view that has three ladder type vibrationproof bolts.
When producing bolt 1, give the space of staying the vibrationproof bar, then increase Shooting Technique, in screw thread, embed vibrationproof bar 2.
For this figure, the narrow limit of vibrationproof ladder type bar 2 and the faces such as external diameter 3 of screw thread; Its broadside embeds minor diameter of thread 4, and is lower than the surface of minor diameter of thread 4.For the vibrationproof bar of other shape, vibrationproof bar 2 is not higher than the surface of major diameter of thread 3, and is not less than the surface of minor diameter of thread 4 yet, and the height of vibrationproof bar is greater than the degree of depth of screw thread.
Use this technology,, adjust the quantity of vibrationproof bar, size, position the condition of difference vibration.Can draw detailed data by the test of science.
Claims (4)
1, a kind of vibration proof metal bolts is made up of metal bolts 1 and vibration proof bar 2, it is characterized in that, vibrationproof bar 2 embeds in the metal bolts 1.
2, metal bolts according to claim 1 is characterized in that, is embedded in more than one vibrationproof bar at metal bolts 1.
3, metal bolts according to claim 1 is characterized in that, the length of vibrationproof bar is not more than the length of whole screw thread, and it is fixed that the shape and size of vibrationproof bar can be come according to different requirements.
4, metal bolts according to claim 1 is characterized in that, vibrationproof bar 2 is not higher than the surface of major diameter of thread 3, and also is not less than the surface of minor diameter of thread 4, and the height of vibrationproof bar is greater than the degree of depth of screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95208778 CN2211512Y (en) | 1995-04-24 | 1995-04-24 | Metal screw bolt againt vibration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95208778 CN2211512Y (en) | 1995-04-24 | 1995-04-24 | Metal screw bolt againt vibration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2211512Y true CN2211512Y (en) | 1995-11-01 |
Family
ID=33859992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95208778 Expired - Fee Related CN2211512Y (en) | 1995-04-24 | 1995-04-24 | Metal screw bolt againt vibration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2211512Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588418A (en) * | 2011-11-25 | 2012-07-18 | 贵州航天精工制造有限公司 | Method for preventing lock bolt from loosening and lock bolt assembly |
-
1995
- 1995-04-24 CN CN 95208778 patent/CN2211512Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588418A (en) * | 2011-11-25 | 2012-07-18 | 贵州航天精工制造有限公司 | Method for preventing lock bolt from loosening and lock bolt assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |