CN205895811U - Anchor bolt - Google Patents
Anchor bolt Download PDFInfo
- Publication number
- CN205895811U CN205895811U CN201620695349.6U CN201620695349U CN205895811U CN 205895811 U CN205895811 U CN 205895811U CN 201620695349 U CN201620695349 U CN 201620695349U CN 205895811 U CN205895811 U CN 205895811U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- expansion sleeve
- nut
- crab
- groove
- 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 belongs to the field of machinery, concretely relates to anchor bolt. Anchor bolt, including screw rod and inflation cover, the one end of screw rod is the conical body, the other end of screw rod is equipped with the external screw thread, the length of external screw thread is 20mm, the internal diameter of inflation cover is clearance fit with the external diameter of screw rod, the one end symmetry of inflation cover is equipped with the logical groove of eight equidimensions, the degree of depth of leading to the groove is 20mm, the height of inflation cover is 50mm, the screw rod cup joints with the inflation, the conical surface of conical body is adjacent with the logical groove of inflation cover, the conical surface of conical body and the internal diameter phase -match of inflation cover, the other end and the nut of screw rod close through thread to match, be equipped with the gasket between nut and inflation cover.
Description
Technical field
The utility model belongs to mechanical field and in particular to a kind of crab-bolt.
Background technology
Crab-bolt is a kind of new metal fastener material, its can be used for various curtain walls, rear in marble dry hanging construction plus
Embedded part is installed it can also be used to equipment is installed, and highway, Bridge guardrail are installed；The occasions such as concrete structure reinforcement.Although current market
On occur in that multiple crab-bolts, but these crab-bolts often have a following weak point: 1, be not easy to construct；2nd, construction cost is high.
Utility model content
Utility model purpose: the problem that the utility model is directed to above-mentioned prior art presence makes improvement, and that is, this practicality is new
Type discloses a kind of crab-bolt
Technical scheme: crab-bolt, including screw rod and expansion sleeve,
One end of described screw rod is bullet, and the other end of described screw rod is provided with external screw thread, and described externally threaded length is
20mm,
The internal diameter of described expansion sleeve is coordinated for gap with the external diameter of described screw rod, and one end of described expansion sleeve is arranged with eight
The groove of individual equidimension, the depth of described groove is 20mm, and the height of described expansion sleeve is 50mm,
Described screw rod and described expansion sleeve socket, the conical surface of described bullet is adjacent with the groove of described expansion sleeve, described
The conical surface of bullet is matched with the internal diameter of described expansion sleeve, and the other end of described screw rod is matched by screw thread with nut,
It is provided with pad between described nut and described expansion sleeve.
Further, the lateral wall of one end being provided with groove of expansion sleeve is arranged with multiple hemispherical projections.
Further, the length of described screw rod is 75mm.
Further, the thickness of described pad is 3mm.
Further, described nut is tetragonal nut or hex nut or octagon nut.
Beneficial effect: disclosed in the utility model, crab-bolt has the advantages that
1st, safety coefficient is high；
2nd, structure is simple；
3rd, it is easy to construct；
4th, construction cost is low.
Brief description
Fig. 1 is the structural representation of screw rod；
Fig. 2 is the structural representation of expansion sleeve；
Fig. 3 is the structural representation of crab-bolt disclosed in the utility model；
Wherein:
1- screw rod 11- external screw thread
2- expansion sleeve 21- groove
3- pad 4- nut
Specific embodiment:
Below specific embodiment of the present utility model is described in detail.
Specific embodiment 1
As shown in Figures 1 to 3, crab-bolt, including screw rod 1 and expansion sleeve 2,
One end of screw rod 1 is bullet, and the other end of screw rod 1 is provided with external screw thread 11, and the length of external screw thread 11 is 20mm,
The internal diameter of expansion sleeve 2 is coordinated for gap with the external diameter of screw rod 1, and one end of expansion sleeve 2 is arranged with eight equidimensions
Groove 21, the depth of groove 21 is 20mm, and the height of expansion sleeve 2 is 50mm,
Screw rod 1 is socketed with expansion sleeve 2, and the conical surface of bullet is adjacent with the groove 21 of expansion sleeve 2, the conical surface of bullet with swollen
The internal diameter of expansion set 2 matches, and the other end of screw rod 1 is matched by screw thread with nut 4, is provided between nut 4 and expansion sleeve 2
Pad 3.
Further, the lateral wall of one end being provided with groove 21 of expansion sleeve 2 is arranged with multiple hemispherical projections.
Further, the length of screw rod 1 is 75mm.
Further, the thickness of pad 3 is 3mm.
Further, nut 4 is tetragonal nut.
Specific embodiment 2
Roughly the same with specific embodiment 1, differing only in nut 4 is hex nut.
Specific embodiment 3
Roughly the same with specific embodiment 1, differing only in nut 4 is octagon nut.
Above embodiment of the present utility model is elaborated.But the utility model is not limited to above-mentioned enforcement
Mode, in the ken that art those of ordinary skill possesses, can also be without departing from the utility model ancestor
Make a variety of changes on the premise of purport.
Claims (5)
1. crab-bolt is it is characterised in that include screw rod and expansion sleeve,
One end of described screw rod is bullet, and the other end of described screw rod is provided with external screw thread, and described externally threaded length is 20mm,
The internal diameter of described expansion sleeve is coordinated for gap with the external diameter of described screw rod, and one end of described expansion sleeve is arranged with eight etc.
The groove of size, the depth of described groove is 20mm, and the height of described expansion sleeve is 50mm,
Described screw rod and described expansion sleeve socket, the conical surface of described bullet is adjacent with the groove of described expansion sleeve, described taper
The conical surface of body is matched with the internal diameter of described expansion sleeve, and the other end of described screw rod is matched by screw thread with nut, described
It is provided with pad between nut and described expansion sleeve.
2. crab-bolt according to claim 1 is it is characterised in that the lateral wall of one end being provided with groove of expansion sleeve symmetrically sets
There are multiple hemispherical projections.
3. crab-bolt according to claim 1 is it is characterised in that the length of described screw rod is 75mm.
4. crab-bolt according to claim 1 is it is characterised in that the thickness of described pad is 3mm.
5. crab-bolt according to claim 1 is it is characterised in that described nut is tetragonal nut or hex nut or anistree spiral shell
Female.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620695349.6U CN205895811U (en) | 2016-06-28 | 2016-06-28 | Anchor bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620695349.6U CN205895811U (en) | 2016-06-28 | 2016-06-28 | Anchor bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205895811U true CN205895811U (en) | 2017-01-18 |
Family
ID=57770831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620695349.6U Expired - Fee Related CN205895811U (en) | 2016-06-28 | 2016-06-28 | Anchor bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205895811U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114809032A (en) * | 2022-03-30 | 2022-07-29 | 中煤科工集团北京土地整治与生态修复科技研究院有限公司 | Slope supporting equipment |
-
2016
- 2016-06-28 CN CN201620695349.6U patent/CN205895811U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114809032A (en) * | 2022-03-30 | 2022-07-29 | 中煤科工集团北京土地整治与生态修复科技研究院有限公司 | Slope supporting equipment |
| CN114809032B (en) * | 2022-03-30 | 2024-03-01 | 中煤科工集团北京土地整治与生态修复科技研究院有限公司 | Slope support equipment |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170118 Termination date: 20190628 |