CN202031955U - Anti-looseness combined bolt and nut - Google Patents
Anti-looseness combined bolt and nut Download PDFInfo
- Publication number
- CN202031955U CN202031955U CN2011201231861U CN201120123186U CN202031955U CN 202031955 U CN202031955 U CN 202031955U CN 2011201231861 U CN2011201231861 U CN 2011201231861U CN 201120123186 U CN201120123186 U CN 201120123186U CN 202031955 U CN202031955 U CN 202031955U
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- China
- Prior art keywords
- nut
- screw rod
- looseness
- screw
- combined bolt
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- 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 an anti-looseness combined bolt and nut which comprises a screw rod with a screw cap and a nut, wherein the nut and the screw rod are provided with an internal thread and an external thread, which are mutually matched, convex heads with external threads are further arranged at the other end of the screw cap relative to the screw rod, and springs which are matched with the external threads of the convex heads are further arranged on the convex heads. The anti-looseness combined bolt and nut is simple in structure, low in cost and easy for manufacturing, and can overcome the uneven situation among all plates, further prevent looseness of the combined bolt and nut and realize good anti-looseness effect.
Description
Technical field
The utility model is fixed in assembling bolt nut in the hole about a kind of with part, relates in particular to sheet material assembling bolt nut and connects.
Background technique
The fastening piece that screw bolt and nut is formed is widely used on numerous occasions such as science and technology, production, processing and test and machinery and the instrument and apparatus.Common bolt does not generally all have auto-lock function, is used in general occasion and can satisfies usage requirement substantially.But be used in the bigger occasion of some vibrations, because vibration can cause bolt looseness.Especially on vehicle that travels or dynamic instrument and apparatus, this loosening the lighter who is difficult for discovering influences normally carrying out of work, and weight person can lead to a disaster.So, must use to prevent the self-locking screw that becomes flexible in some special occasions.Being laid on over of stone wall surface such as marble or various nogging manyly directly is layed on the wall with cement, but stone wall surface weight is extremely heavy, single have firm inadequately problem easily with cement laying combination, in case run into earthquake or build thing aging, the loss that will be difficult to avoid coming off of stone wall surface and cause lives and properties, the use of therefore just developing swell fixture (wall nail) is so as to strengthening combining of stone wall surface or nogging and its behind wall.Traditional swell fixture is many with the sheathed expansion sleeve be combined into of screw rod, this expansion sleeve is provided with several profile groove, make expansion sleeve one side can be subjected to against and expand outwardly, this screw rod then is provided with the hole enlargement district of oblique cone shape, when user's desire is fixed in metope with this swell fixture, need to wear a cinclides at metope, screw rod is penetrated in the cinclides together with expansion sleeve, and expose to cinclides one end spiral shell in screw rod and establish a nut, nut is screwed to expansion sleeve, can make expansion sleeve one end urgent in the hole enlargement district of this screw rod, and this expansion sleeve is expanded outwardly and closely be resisted against metope, subsequently that a screw rod and a L shaped plate is affixed, on this L shaped plate, set firmly other sheet material B again by supporting element C, but the metope A that this screw is fixed often has rough situation, make swell fixture be difficult for being adjusted into equal length in the use, and, need to prepare the L shaped plate 14 of multiple size in addition for keeping the smooth laying of sheet material B, make number of spare parts many, caused the construction sequence complexity, the problem that the construction material cost is high.Chinese patent CN200920271773.8 discloses a kind of swell fixture, it is characterized in that, includes: the body of rod, and this body of rod is provided with screw thread, and this body of rod one end is provided with linking department; Sleeve, this jacket casing is located at this body of rod, and this sleeve is provided with at least one grooving, and this grooving extends to an end of this sleeve; First nut, this first nut spiral shell is located at this body of rod, and this first nut is between this linking department and this sleeve; Second nut, this second nut spiral shell is located at this body of rod, and this second nut is positioned at the side of this sleeve away from this first nut; Fixed block, this fixed block spiral shell is located at this body of rod, and this fixed block is positioned at this second nut away from this sleeve one side; This second nut can rotate relative to this body of rod with this fixed block and move, and mutual urgent this body of rod that is fixed in of selectivity.But complex structure, the cost of production height, being difficult to overcome between each sheet material to have rugged situation.
In view of being located at the inconvenience that screw rod one end has it to use in the hole enlargement district that expansion sleeve is claimed out, also have the swell fixture that utilizes a screw tightening that expansion sleeve is claimed out, this swell fixture includes a screw rod, be arranged with expansion sleeve on the screw rod, and spiral shell is provided with a screw tightening, this screw tightening side view generally is dovetail, so as to expansion sleeve is claimed out, but this kind swell fixture need utilize another nut locking expansion sleeve in use, make expansion sleeve to screw tightening near, the situation that interlock expansion sleeve and screw tightening rotation are arranged often when user's lock nut, increase the difficulty of set screw, cause also that the position of screw rod is difficult to precision positioning in the screw, still must link, otherwise between each set sheet material rugged situation will be arranged by L shaped plate and sheet material.
Summary of the invention
Be to solve the deficiencies in the prior art, it is a kind of simple in structure that task of the present utility model is to provide, and cost of production is low, is convenient to overcome occur being uneven the anti-loosening assembling bolt nut of situation between each sheet material.
The utility model is achieved by the following technical solution: anti-loosening assembling bolt nut, comprise the screw rod and the nut that have nut, described nut and screw rod are respectively arranged with the internal and external threads that complements one another, described nut also is provided with respect to the other end of screw rod and has externally threaded plush copper, also is provided with the spring that is complementary with its outside thread on the described plush copper.
Nut of the present utility model also is provided with respect to the other end of screw rod and has externally threaded plush copper, also is provided with the spring that is complementary with its outside thread on the described plush copper.Utilize the tight power of bullet of spring, make nut be close to sheet material, overcome between each sheet material and the situation that is uneven occurs, and prevent the assembling bolt nut loosening.
The utility model has the advantages that: simple in structure, cost is low, easy to manufacture, overcome between each sheet material and the situation that is uneven occurs, and prevent the assembling bolt nut loosening, anti-loosening effective.
Description of drawings
Fig. 1 is the utility model embodiment structural representation.
Sequence number among the figure: 1, nut, 2, screw rod, 3, nut, 4, plush copper, 5, spring.
Embodiment
In conjunction with the accompanying drawings the utility model embodiment is described in further detail.
Referring to accompanying drawing 1, a kind of anti-loosening assembling bolt nut, comprise the screw rod 2 and the nut 3 that have nut 1, described nut 3 and screw rod 2 are respectively arranged with the internal and external threads that complements one another, described nut 1 also is provided with respect to the other end of screw rod 2 and has externally threaded plush copper 4, also is provided with the spring 5 that is complementary with its outside thread on the described plush copper 4.
Embodiment is just for the ease of understanding the technical solution of the utility model; do not constitute restriction to the utility model protection domain; every interior any simple modification, equivalent variations and modification of perhaps according to technical spirit of the present utility model above scheme being done that does not break away from technical solutions of the utility model all still belongs within the utility model protection domain.
Claims (1)
1. anti-loosening assembling bolt nut, comprise the screw rod ⑵ and the nut ⑶ that have nut ⑴, described nut ⑶ and screw rod ⑵ are respectively arranged with the internal and external threads that complements one another, it is characterized in that: described nut ⑴ also is provided with respect to the other end of screw rod ⑵ and has externally threaded plush copper ⑷, also is provided with the spring ⑸ that is complementary with its outside thread on the described plush copper ⑷.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201231861U CN202031955U (en) | 2011-04-25 | 2011-04-25 | Anti-looseness combined bolt and nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201231861U CN202031955U (en) | 2011-04-25 | 2011-04-25 | Anti-looseness combined bolt and nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202031955U true CN202031955U (en) | 2011-11-09 |
Family
ID=44894253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201231861U Expired - Fee Related CN202031955U (en) | 2011-04-25 | 2011-04-25 | Anti-looseness combined bolt and nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202031955U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108662003A (en) * | 2018-05-31 | 2018-10-16 | 济宁职业技术学院 | A kind of anti-loosening unit bolt nut |
-
2011
- 2011-04-25 CN CN2011201231861U patent/CN202031955U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108662003A (en) * | 2018-05-31 | 2018-10-16 | 济宁职业技术学院 | A kind of anti-loosening unit bolt nut |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111109 Termination date: 20140425 |