CN2556417Y - Built-in expansion screw - Google Patents
Built-in expansion screw Download PDFInfo
- Publication number
- CN2556417Y CN2556417Y CN 02268611 CN02268611U CN2556417Y CN 2556417 Y CN2556417 Y CN 2556417Y CN 02268611 CN02268611 CN 02268611 CN 02268611 U CN02268611 U CN 02268611U CN 2556417 Y CN2556417 Y CN 2556417Y
- Authority
- CN
- China
- Prior art keywords
- nut
- built
- casing
- sleeve pipe
- guiding ring
- 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
Landscapes
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model discloses a built-in expanding screw and comprises a screw rod 1, an inner nut 2, a casing 3 and a guiding ring 4. The utility model is characterized in that one end of the casing 3 is provided with the inner nut 2 inside, the other end of the casing 3 is provided with the guiding ring 4 inside, the nut is a frustum-shaped body, the external surface of the nut is provided with a plurality of a socket, and a plurality of holes are distributed uniformly on the part of the casing contacted with the frustum-shaped nut; the guiding ring is a metal product or can be made of plastics or rubber; as for the structure, the inner nut of the built-in expanding screw is firstly put into the casing with force to form a small set of assembly, the other end of the casing is provided with the guiding ring inside, and the screw rod extends into the casing accurately through the guiding ring to be connected with the nut; the built-in expanding screw has beautiful appearance, simple structure, easy use as well as safety and reliability.
Description
Technical field
The utility model relates to a kind of built-in setscrew.
Background technique
At present, the widely used conventional expanded screw in market, the rear portion of its screw rod is a cone-shape, and sleeve pipe and screw rod are put into pre-drilled hole during use, wait install need fixing parts after, use nut fastening again, screw rod is by stretching out in the wall, but fastening more, the extension of screw rod is just long more, neither attractive in appearance also dangerous, bring bad influence to people.
The model utility content
Technical problem to be solved in the utility model: for overcoming above-mentioned deficiency in design, the utility model proposes a kind of built-in setscrew, have specious, simple in structure, easy to use, safe and reliable characteristics.
The utility model will solve the technological scheme that its technical problem adopts: a kind of built-in setscrew, comprise screw rod, inner nut, sleeve pipe, guide collar, it is characterized in that at sleeve pipe one end built-in nut, in the sleeve pipe the other end, establish guide collar, nut is cone table, establish some grooves at the nut outer surface, on sleeve pipe with the uniform plurality of holes in cone table nut contacting point.
Guide collar can be fabricated metals, also can be plastics, rubber product.
Because said structure, this built-in setscrew is got to inner nut in the sleeve pipe earlier, form the little assembly of a cover, establish guide collar in the sleeve pipe the other end, screw rod accurately stretches into sleeve pipe by guide collar and is connected the fastening screw nut with nut, nut is cone table, establish some grooves at the nut outer surface, on sleeve pipe with the uniform plurality of holes in cone table nut contacting point, under the effect of the nut conical surface, nut is with the sleeve pipe distending, reach radially fastening purpose, establish some grooves, can prevent the nut transfer at the nut outer surface, this built-in setscrew is specious, simple in structure, easy to use, safe and reliable.
Description of drawings
Fig. 1 is the utility model structural representation.
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
Embodiment one
As shown in Figure 1, a kind of built-in setscrew, comprise screw rod 1, inner nut 2, sleeve pipe 3, guide collar 4, it is characterized in that at sleeve pipe 3 one end built-in nuts 2, in sleeve pipe 3 the other ends, establish guide collar 4, nut is cone table, establishes some grooves at the nut outer surface, on sleeve pipe with the uniform plurality of holes in cone table nut contacting point; Guide collar can be fabricated metals, also can be plastics, rubber product; Because said structure, this built-in setscrew is got to inner nut in the sleeve pipe earlier, form the little assembly of a cover, establish guide collar in the sleeve pipe the other end, screw rod accurately stretches into sleeve pipe by guide collar and is connected the fastening screw nut with nut, nut is cone table, establish some grooves at the nut outer surface, on sleeve pipe with the uniform plurality of holes in cone table nut contacting point, under the effect of the nut conical surface, nut is with the sleeve pipe distending, reach radially fastening purpose, establish some grooves, can prevent the nut transfer at the nut outer surface, this built-in setscrew is specious, simple in structure, easy to use, safe and reliable.
Claims (2)
1, a kind of built-in setscrew, comprise screw rod (1), inner nut (2), sleeve pipe (3), guide collar (4), it is characterized in that at sleeve pipe (3) one end built-in nuts (2), in sleeve pipe (3) the other end, establish guide collar (4), nut is cone table, establish some grooves at the nut outer surface, on sleeve pipe with the uniform plurality of holes in cone table nut contacting point.
2, a kind of built-in setscrew according to claim 1 is characterized in that guide collar can be fabricated metals, also can be plastics, rubber product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02268611 CN2556417Y (en) | 2002-07-28 | 2002-07-28 | Built-in expansion screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02268611 CN2556417Y (en) | 2002-07-28 | 2002-07-28 | Built-in expansion screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2556417Y true CN2556417Y (en) | 2003-06-18 |
Family
ID=33734016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02268611 Expired - Fee Related CN2556417Y (en) | 2002-07-28 | 2002-07-28 | Built-in expansion screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2556417Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799287A (en) * | 2017-05-04 | 2018-11-13 | 中建城市建设发展有限公司 | Recyclable expansion bolt and recyclable expansion bolt fixed structure |
-
2002
- 2002-07-28 CN CN 02268611 patent/CN2556417Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799287A (en) * | 2017-05-04 | 2018-11-13 | 中建城市建设发展有限公司 | Recyclable expansion bolt and recyclable expansion bolt fixed structure |
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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 |