CN207848139U - A kind of hollow anchor bolt - Google Patents
A kind of hollow anchor bolt Download PDFInfo
- Publication number
- CN207848139U CN207848139U CN201721733362.7U CN201721733362U CN207848139U CN 207848139 U CN207848139 U CN 207848139U CN 201721733362 U CN201721733362 U CN 201721733362U CN 207848139 U CN207848139 U CN 207848139U
- Authority
- CN
- China
- Prior art keywords
- expandable strip
- cylinder
- preposition
- notch
- bolt
- 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
- 238000003491 array Methods 0.000 claims description 3
- 210000002445 nipple Anatomy 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 238000009434 installation Methods 0.000 description 5
- 239000011449 brick Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 230000003100 immobilizing effect Effects 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011464 hollow brick Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Landscapes
- Dowels (AREA)
Abstract
The utility model is related to a kind of hollow anchor bolts, including bolt, expansion sleeve, screw block, bushing, bushing tail portion is equipped with gasket, gasket edge is equipped with and penetrates spine, expansion sleeve includes preposition cylinder, postposition cylinder, Expandable strip, Expandable strip on both sides of the middle, which is equipped with, becomes v notch v, bolt head is threaded with nut, preposition cylinder is stretched into nut one end, nut outer wall supports only preposition cylinder front end, postposition jacket casing is on bushing, Expandable strip is divided into the first Expandable strip and the second Expandable strip according to v notch v difference at a distance from postposition cylinder is become, change v notch v in first Expandable strip and preposition tube rear end distance is the 2/5 of Expandable strip overall lengths, change v notch v in second Expandable strip and preposition tube rear end distance is the 3/5 of Expandable strip overall lengths.The setting of change v notch v in the first Expandable strip of the utility model and the second Expandable strip, is convenient for the expansion straggly of Expandable strip, good antiskid effect, be particluarly suitable for it is soft on the basis of install, penetrate spine and effectively prevent expansion sleeve transfer, bushing deforms when preventing postposition cylinder from expanding.
Description
Technical field
The utility model is related to fastener, more particularly to a kind of hollow anchor bolt.
Background technology
Anchor bolt is usually used very extensive as common fastener in production and living.However existing building building
The wall brick that room uses is essentially light-duty composite shaped block material, such as foamed bricks, hollow brick head, is carried out on such metope swollen
The installation of swollen bolt easily occurs to skid and cause bolt that can rotate in brick, or even falls off and cause the accident.Traditional is small
Type metal anchor bolt is usually realized by rotating nuts and is installed, has longer bolt exposed after installation, aesthetics is poor, installation space
It requires larger.
Utility model content
In view of the deficiencies of the prior art, the technical solution of the utility model attempts to solve at least portion in above-mentioned technical problem
Point defect at least partly overcomes the problems of prior art.
Technical solution adopted by the utility model to solve its technical problems is：A kind of hollow anchor bolt, including bolt, be sleeved on
Expansion sleeve on the bolt, the bolt tail are equipped with and screw block, and the bolt tail is cased with bushing, and the bushing tail portion is set
Have an integrated gasket, the gasket edge is equipped with the spine that penetrates extended to bolt head, the expansion sleeve include preposition cylinder, after
The Expandable strip set cylinder, be arranged between the preposition cylinder and the postposition cylinder, the Expandable strip are prolonged along the bolt axis direction
It stretches, the Expandable strip on both sides of the middle, which is equipped with, becomes v notch v, and the bolt head is threaded with nut, and described nut one end is stretched into
The preposition cylinder, the nut outer wall support the only preposition cylinder front end, and the postposition jacket casing is on the bushing, the Expandable strip
At least four and around bolt axis make 360 degree annular arrays be uniformly distributed, Expandable strip according to change v notch v at a distance from postposition cylinder
Difference is divided into the first Expandable strip and the second Expandable strip, the change v notch v in first Expandable strip and the preposition tube rear end distance
It is the 2/5 of Expandable strip overall length, the change v notch v in second Expandable strip is with the preposition tube rear end distance into Expandable strip overall length
3/5.
The setting of change v notch v in above-mentioned design in the first Expandable strip and the second Expandable strip, convenient for the straggly swollen of Expandable strip
It is swollen, good antiskid effect, be particluarly suitable for it is soft on the basis of install, penetrate spine and effectively prevent expansion sleeve transfer, after bushing prevents
It is deformed when setting cylinder expansion.
As being further improved for the design, first Expandable strip and the second Expandable strip and postposition cylinder junction two
Side is equipped with arch-shaped folded notch, is first deformed convenient for Expandable strip tail end, bolt prevents bolt in Expandable strip to immobilizing foundation contract
It is ejected in deformation process.
As being further improved for the design, the gasket antetheca be equipped with the anti-sliding rib that is radially extended along the gasket,
The postposition cylinder is equipped with the anti-skidding spine to extend back, and anti-skidding point barbed end portion supports the only gasket antetheca.It further prevents
Expansion sleeve is opposite with the gasket to be gone to, and anti-transfer effect is good.
As being further improved for the design, the gasket rear wall is equipped with salient point, and the salient point screws block to only described, drops
The low frictional damping screwed between block and gasket, installation is laborsaving, prevents the rotary force for screwing block from passing to gasket.
As being further improved for the design, the nipple heads are equipped with supports taper stop only with the preposition cylinder front end
The conical surface of set, the stop sleeve outer wall supports the only preposition cylinder, and the stop sleeve inner wall is the forward taper hole of big mouth, described preposition
Cylinder front end is equipped with the pointed cone for supporting the only stop sleeve outer wall.Taper stop sleeve prevents nut transfer, taper hole from being accommodated convenient for lubricating grease,
It is dismantled convenient for anchor bolt.
The utility model has the beneficial effects that：Change v notch v in the first Expandable strip of the utility model and the second Expandable strip
Setting, is convenient for the expansion straggly of Expandable strip, good antiskid effect, be particluarly suitable for it is soft on the basis of install, it is effectively anti-to penetrate spine
Only expansion sleeve transfer, bushing deform when preventing postposition cylinder from expanding.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the tail portion partial schematic diagram of the utility model.
Fig. 3 is the head partial schematic diagram of the utility model.
The 1. postposition cylinder in figure, 2. fold notch, and 3. second Expandable strips, 4. bushings, 5. bolts, 6. penetrate spine, 7. pads
Piece, 8. screw block, and 9. become v notch vs, 10. first Expandable strips, 11. preposition cylinders, 12. stop sleeves, 13. nuts, 14. taper holes, and 15.
Anti- sliding rib, 16. anti-skidding spines, 17. salient points, 18. pointed cones.
Specific implementation mode
Be described in detail the utility model below in conjunction with attached drawing and specific embodiment, illustrative examples therein with
And explanation is only used for explaining the utility model, but be not intended to limit the scope of the present invention.
Embodiment：A kind of hollow anchor bolt, including bolt 5, the expansion sleeve that is sleeved on the bolt 5,5 tail portion of the bolt is set
Block 8 is screwed, 5 tail portion of the bolt is cased with bushing 4, and 4 tail portion of the bushing is equipped with the gasket 7 of one, and 7 edge of the gasket is set
What 5 head of oriented bolt extended penetrates spine 6, and the expansion sleeve includes preposition cylinder 11, postposition cylinder 1, is arranged in the preposition cylinder
Expandable strip between 11 and the postposition cylinder 1, the Expandable strip extend along 5 axis direction of the bolt, in the middle part of the Expandable strip
Both sides, which are equipped with, becomes v notch v 9, and 5 head threads of the bolt are connected with nut 13, and the preposition cylinder is stretched into 13 one end of the nut
11,13 outer wall of the nut supports only 11 front end of preposition cylinder, the postposition cylinder 1 and is sleeved on the bushing 4, and the Expandable strip is extremely
Lack four and make 360 degree of annular arrays around 5 axis of bolt and be uniformly distributed, Expandable strip is according to change v notch v 9 at a distance from postposition cylinder 1
Difference is divided into the first Expandable strip 10 and the second Expandable strip 3, the change v notch v 9 in first Expandable strip 10 and the preposition cylinder 11
Rear end distance is the 2/5 of Expandable strip overall length, the change v notch v 9 in second Expandable strip 3 and 11 rear end distance of the preposition cylinder
It is the 3/5 of Expandable strip overall length.
The setting of change v notch v 9 in above-mentioned design in the first Expandable strip 10 and the second Expandable strip 3, is convenient for the mistake of Expandable strip
Fall expansion, good antiskid effect, be particluarly suitable for it is soft on the basis of install, penetrate spine 6 and effectively prevent expansion sleeve transfer, bushing 4
It is deformed when preventing postposition cylinder 1 from expanding.
As being further improved for the design, first Expandable strip, 10 and second Expandable strip 3 is connect with the postposition cylinder 1
Locate both sides and be equipped with arch-shaped folded notch 2, is first deformed convenient for Expandable strip tail end, bolt 5 prevents bolt 5 to immobilizing foundation contract
It is ejected in Expandable strip deformation process.
As being further improved for the design, 7 antetheca of the gasket is equipped with and the anti-sliding rib that is radially extended along the gasket 7
15, the postposition cylinder 1 is equipped with the anti-skidding spine 16 to extend back, and only 7 antetheca of the gasket is supported in 16 end of anti-skidding spine.Into
One step prevents expansion sleeve is opposite with the gasket 7 from going to, and anti-transfer effect is good.
As being further improved for the design, 7 rear wall of the gasket is equipped with salient point 17, and the salient point 17 supports only described screw
Block 8 reduces the frictional damping screwed between block 8 and gasket 7, and installation is laborsaving, prevents the rotary force for screwing block 8 from passing to gasket 7.
As being further improved for the design, 13 head of the nut is equipped with supports taper only with 11 front end of preposition cylinder
The conical surface of stop sleeve 12,12 outer wall of the stop sleeve supports the only preposition cylinder 11, and 12 inner wall of the stop sleeve is that big mouth is forward
Taper hole 14,11 front end of preposition cylinder are equipped with the pointed cone 18 for supporting only 12 outer wall of the stop sleeve.Taper stop sleeve 12 prevents nut
13 transfers, taper hole 14 accommodate convenient for lubricating grease, are dismantled convenient for anchor bolt.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are equally included in the patent within the scope of the utility model.
Claims (5)
1. a kind of hollow anchor bolt, including bolt, the expansion sleeve that is sleeved on the bolt, which is characterized in that the bolt tail is set
Block is screwed, the bolt tail is cased with bushing, and the bushing tail portion is equipped with the gasket of one, and the gasket edge is equipped with to spiral shell
What bolt head extended penetrates spine, and the expansion sleeve includes preposition cylinder, postposition cylinder, is arranged in the preposition cylinder and the postposition cylinder
Between Expandable strip, the Expandable strip extends along the bolt axis direction, and the Expandable strip on both sides of the middle, which is equipped with, becomes v notch v,
The bolt head is threaded with nut, and the preposition cylinder is stretched into described nut one end, the nut outer wall support it is only described before
Set a front end, the postposition jacket casing on the bushing, the Expandable strip at least four and around bolt axis make 360 degree of circular arrays
Row are uniformly distributed, and Expandable strip is divided into the first Expandable strip and the second Expandable strip, institute according to v notch v difference at a distance from postposition cylinder is become
Change v notch v in the first Expandable strip and the preposition tube rear end distance are stated as the 2/5 of Expandable strip overall length, second Expandable strip
On change v notch v and the preposition tube rear end distance into the 3/5 of Expandable strip overall length.
2. a kind of hollow anchor bolt according to claim 1, characterized in that first Expandable strip and the second Expandable strip and institute
It states postposition cylinder junction both sides and is equipped with arch-shaped folded notch.
3. a kind of hollow anchor bolt according to claim 1, characterized in that the gasket antetheca be equipped with along the gasket diameter
To the anti-sliding rib of extension, the postposition cylinder is equipped with the anti-skidding spine to extend back, and anti-skidding point barbed end portion supports the only gasket
Antetheca.
4. a kind of hollow anchor bolt according to claim 1, characterized in that the gasket rear wall is equipped with salient point, the salient point
Block is screwed to only described.
5. a kind of hollow anchor bolt according to claim 1, characterized in that the nipple heads be equipped with before the preposition cylinder
Taper stop sleeve only is supported at end, and the conical surface of the stop sleeve outer wall supports the only preposition cylinder, the stop sleeve inner wall be big mouth to
Preceding taper hole, the preposition cylinder front end are equipped with the pointed cone for supporting the only stop sleeve outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721733362.7U CN207848139U (en) | 2017-12-13 | 2017-12-13 | A kind of hollow anchor bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721733362.7U CN207848139U (en) | 2017-12-13 | 2017-12-13 | A kind of hollow anchor bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207848139U true CN207848139U (en) | 2018-09-11 |
Family
ID=63420436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721733362.7U Expired - Fee Related CN207848139U (en) | 2017-12-13 | 2017-12-13 | A kind of hollow anchor bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207848139U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322890A (en) * | 2018-12-17 | 2019-02-12 | 嘉兴钰丰汽车零部件有限公司 | A kind of Fast Installation type expansion bolt |
| CN109322889A (en) * | 2018-12-17 | 2019-02-12 | 嘉兴钰丰汽车零部件有限公司 | A kind of Anti-extrusion expansion bolt |
| CN112727880A (en) * | 2020-12-22 | 2021-04-30 | 徐之佩 | Anti-skid expansion bolt |
| CN120487738A (en) * | 2025-07-19 | 2025-08-15 | 温州市强邦实业有限公司 | High-strength fastening bolt and dismounting equipment thereof |
-
2017
- 2017-12-13 CN CN201721733362.7U patent/CN207848139U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322890A (en) * | 2018-12-17 | 2019-02-12 | 嘉兴钰丰汽车零部件有限公司 | A kind of Fast Installation type expansion bolt |
| CN109322889A (en) * | 2018-12-17 | 2019-02-12 | 嘉兴钰丰汽车零部件有限公司 | A kind of Anti-extrusion expansion bolt |
| CN109322889B (en) * | 2018-12-17 | 2023-08-25 | 嘉兴钰丰汽车零部件股份有限公司 | Anti-falling expansion bolt |
| CN109322890B (en) * | 2018-12-17 | 2023-08-25 | 嘉兴钰丰汽车零部件股份有限公司 | Quick installation type expansion bolt |
| CN112727880A (en) * | 2020-12-22 | 2021-04-30 | 徐之佩 | Anti-skid expansion bolt |
| CN120487738A (en) * | 2025-07-19 | 2025-08-15 | 温州市强邦实业有限公司 | High-strength fastening bolt and dismounting equipment thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180911 Termination date: 20191213 |