CN208057631U - A kind of shock insulation anchor bolt - Google Patents
A kind of shock insulation anchor bolt Download PDFInfo
- Publication number
- CN208057631U CN208057631U CN201721717427.9U CN201721717427U CN208057631U CN 208057631 U CN208057631 U CN 208057631U CN 201721717427 U CN201721717427 U CN 201721717427U CN 208057631 U CN208057631 U CN 208057631U
- Authority
- CN
- China
- Prior art keywords
- shock insulation
- deformation
- reinforcing ring
- expansion
- anchor 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
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- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The utility model is related to a kind of shock insulation anchor bolts, including screw rod, cone cap, screw rod is rearwardly cased with cone cap, expansion sleeve, shock insulation set, shearing resistance Pipe Cutting, gasket and installation nut from head successively, expansion sleeve includes expansion tube, friction plate, expansion tube tail portion is equipped with braking notch, shock insulation covers front end and is equipped with pawl, shock insulation set includes preceding reinforcing ring, rear reinforcing ring, deformation set, deformation is arranged with deformation through-hole, preceding reinforcing ring outer wall is equipped with anti-skidding dog, shock insulation set is nylon material, and screw rod tail is equipped with cross recess.The spiral shell rotational deformation through-hole that the shock insulation set of nylon material is arranged by surface in the utility model is scattered by twisting force the main mounting hole of card outward when mounted, expansion sleeve transfer when effectivelying prevent installing, it is easily installed, pawl helps to prevent expansion sleeve from rotating, the shock insulation set that four, which scatter, comes has more the kinetic energy absorption that toughness passes over screw rod tail and shearing resistance Pipe Cutting, it reduces to shake and passes to expansion sleeve, the tapered sleeve of cross recess and threaded connection is convenient for the dismounting of anchor bolt.
Description
Technical field
The utility model is related to fastener areas, more particularly to a kind of shock insulation anchor bolt.
Background technology
The cone cap of existing common STG formulas heavy type anchor bolt uses common circular cone structure, single ramp to cause friction plate swollen
Swollen amplitude is small, and dynamic loading is easy to pass at friction plate, and it is poor to resist live load loading capability；Existing heavy type anchor bolt is locking using plastics
Circle, structure is more single, and after anchor bolt is by installation torsion, lock ring not will increase with concrete hole wall friction power, easily cause
Rotation influences expansion effect.
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 shock insulation anchor bolt, including screw rod and institute
The cone cap of screw head threaded connection is stated, the screw rod is rearwardly cased with cone cap, expansion sleeve, shock insulation set, shearing resistance from head successively
Pipe Cutting, gasket and installation nut, the cone cap tail diameter are less than the cone cap head diameter, and institute is inserted into the cone cap tail portion
Expansion sleeve front end is stated, the expansion sleeve includes the expansion tube being sleeved on the screw rod, the friction in the expansion tube front end is arranged
Piece, the friction plate at least two and around the expansion tube axis make 360 ° of annular arrays be uniformly distributed, the friction plate and institute
The both sides for stating expansion tube junction are equipped with change v notch v, and the expansion tube tail portion is equipped with braking notch, and shock insulation set front end is set
There are the pawl for stretching into the braking notch, the shock insulation set to include preceding reinforcing ring, rear reinforcing ring, be arranged in the preceding reinforcing ring
Deformation set between rear reinforcing ring, the deformation are put on equipped with the deformation through-hole for covering outer wall through the deformation, the deformation
Through-hole to the deformation covers head and covers tail portion spiral extension, the rotary orientation and the spiral shell of the deformation through-hole to the deformation
The thread rotary orientation of bar is identical, and the preceding reinforcing ring outer wall is equipped with along the circumferentially distributed anti-skidding dog of the preceding reinforcing ring, described
Shock insulation set is nylon material, and the screw rod tail is equipped with cross recess.
The spiral shell rotational deformation through-hole that the shock insulation set of nylon material is arranged by surface in above-mentioned design is turned round when mounted
Force effect is scattered the main mounting hole of card outward, and expansion sleeve transfer when effectivelying prevent installation is easily installed, pawl helps to prevent swollen
Expansion set rotates, and the shock insulation set that four, which scatter, comes has more the kinetic energy absorption that toughness passes over screw rod tail and shearing resistance Pipe Cutting, subtracts
Few shake passes to expansion sleeve, and the tapered sleeve of cross recess and threaded connection is convenient for the dismounting of anchor bolt.
As being further improved for the design, the rear reinforcing ring tail portion is equipped with bushing, and the bushing is inserted into the shearing resistance
It Pipe Cutting front end and is bonded with the anti-shearing inside pipe wall.Effectively the vibrations in shearing resistance Pipe Cutting is avoided to pass to screw rod.
As being further improved for the design, it is the anti-shearing length of tube that the bushing, which stretches into the anti-shearing length of tube,
1/2, avoid influence of the bushing to anti-shearing pipe intensity.
As being further improved for the design, the expansion sleeve inner sleeve rubber sleeve, the rubber sleeve is from the friction plate
Extend below the expansion tube of lower direction, effectively mitigates screw rod and vibrations are passed into expansion sleeve, while preventing expansion sleeve from loosening.
As being further improved for the design, the expansion tube is equipped with diamond shape through-hole, the diamond shape through-hole at least two
And it is circumferentially distributed along the expansion tube, the rubber sleeve tail portion extends below the only diamond shape through-hole.Convenient for extra rubber sleeve
It is pressed into, is discharged convenient for rubber sleeve after tearing, prevents expansion sleeve stuck.
As being further improved for the design, the braking gap width is less than the pawl width, further prevents
Vibrations are passed to expansion sleeve by shock insulation set.
As being further improved for the design, the friction plate nose width is less than the friction plate aftermost breadth, is convenient for
Friction plate deforms.
As being further improved for the design, the cone cap front end is equipped with arcwall face, easy for installation.
The utility model has the beneficial effects that：The spiral that the shock insulation set of nylon material is arranged by surface in the utility model
Transformation shape through-hole is scattered by twisting force the main mounting hole of card outward when mounted, expansion sleeve transfer when effectivelying prevent installing, just
In installation, pawl helps to prevent expansion sleeve from rotating, and the shock insulation set that four, which scatter, comes has more toughness by screw rod tail and shearing resistance
The kinetic energy absorption that Pipe Cutting passes over reduces to shake passing to expansion sleeve, and the tapered sleeve of cross recess and threaded connection is convenient for anchor bolt
Dismounting.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the outer profile structural schematic diagram of the utility model.
Fig. 2 is the deformation nested structure schematic diagram of the utility model.
1. screw rod in figure, 2. installation nuts, 3. gaskets, 4. shearing resistance Pipe Cuttings, 5. arcwall faces, 6. shock insulation sets, 7. deformations are logical
Hole, reinforcing ring before 8., 9. braking notches, 10. expansion tubes, 11. become v notch vs, and 12. diamond shape through-holes, 13. pawls, 14. is anti-skidding
Dog, 15. friction plates, 16. cone caps, 17. bushings, 18. deformations cover, reinforcing ring after 19., 20. cross recesses, 21. rubber sleeves.
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 shock insulation anchor bolt, including screw rod 1, the cone cap 16 that is connect with 1 head threads of the screw rod, the spiral shell
Bar 1 is rearwardly cased with cone cap 16, expansion sleeve, shock insulation set 6, shearing resistance Pipe Cutting 4, gasket 3 and installation nut 2, institute from head successively
It states cone 16 tail diameter of cap and is less than 16 head diameter of cone cap, the expansion sleeve front end is inserted into 16 tail portion of cone cap, described
Expansion sleeve includes the expansion tube 10 being sleeved on the screw rod 1, the friction plate 15 in 10 front end of the expansion tube, the friction is arranged
Piece 15 at least two and makees 360 ° of annular arrays around 10 axis of the expansion tube and be uniformly distributed, the friction plate 15 and the expansion
The both sides of 10 junction of pipe, which are equipped with, becomes v notch v 11, and 10 tail portion of the expansion tube is equipped with braking notch 9, and the shock insulation covers 6 front ends
Equipped with the pawl 13 for stretching into the braking notch 9, the shock insulation set 6 includes preceding reinforcing ring 8, rear reinforcing ring 19, is arranged in institute
The deformation set 18 between preceding reinforcing ring 8 and rear reinforcing ring 19 is stated, the deformation set 18 is equipped with covers 18 outer walls through the deformation
Deformation through-hole 7, the deformation through-hole 7 to the deformation cover 18 heads to the deformation set 18 tail portion spiral extensions, it is described
The rotary orientation for deforming through-hole 7 is identical with the thread rotary orientation of the screw rod 1, and 8 outer wall of preceding reinforcing ring is equipped with before described
The circumferentially distributed anti-skidding dog 14 of reinforcing ring 8, the shock insulation set 6 is nylon material, and 1 tail portion of the screw rod is equipped with cross recess 20.
In above-mentioned design nylon material shock insulation set 6 by surface be arranged spiral shell rotational deformation through-hole 7 when mounted by
Twisting force scatters the main mounting hole of card outward, and expansion sleeve transfer when effectivelying prevent installation is easily installed, pawl 13 helps to prevent
Only expansion sleeve rotates, the kinetic energy that more toughness passes over 1 tail portion of screw rod and shearing resistance Pipe Cutting 4 of shock insulation set 6 that four, which scatter, comes
It absorbs, reduces vibrations and pass to expansion sleeve, cross recess 20 and the tapered sleeve being threadedly coupled are convenient for the dismounting of anchor bolt.
As being further improved for the design, rear 19 tail portion of reinforcing ring is equipped with bushing 17, and the bushing 17 is inserted into institute
It states 4 front end of shearing resistance Pipe Cutting and is bonded with 4 inner wall of shearing resistance Pipe Cutting.Effectively the vibrations in shearing resistance Pipe Cutting 4 is avoided to pass to screw rod
1。
As being further improved for the design, it is the shearing resistance Pipe Cutting 4 that the bushing 17, which stretches into 4 length of shearing resistance Pipe Cutting,
The 1/2 of length avoids influence of the bushing 17 to anti-shearing pipe semi-finals degree.
As being further improved for the design, the expansion sleeve inner sleeve rubber sleeve 21, the rubber sleeve 21 rubs described in
15 times direction expansion tubes of pad, 10 lower section extends, and effectively mitigates screw rod 1 and vibrations are passed to expansion sleeve, while preventing expansion sleeve loose
It is dynamic.
As being further improved for the design, the expansion tube 10 be equipped with diamond shape through-hole 12, the diamond shape through-hole 12 to
Few two and circumferentially distributed along the expansion tube 10,21 tail portion of the rubber sleeve, which extends, stops 12 lower section of the diamond shape through-hole.It is convenient for
Extra rubber sleeve 21 is pressed into, and is discharged convenient for rubber sleeve 21 after tearing, is prevented expansion sleeve stuck.
As being further improved for the design, 9 width of braking notch is less than 13 width of the pawl, further prevents
Only vibrations are passed to expansion sleeve by shock insulation set 6.
As being further improved for the design, 15 nose width of the friction plate is less than 15 aftermost breadth of the friction plate,
It is deformed convenient for friction plate 15.
As being further improved for the design, 16 front end of cone cap is equipped with arcwall face 5, easy for installation.
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 (8)
1. a kind of shock insulation anchor bolt, including screw rod, the cone cap that is threadedly coupled with the screw head, the screw rod from head rearwardly
It is cased with cone cap, expansion sleeve, shock insulation set, shearing resistance Pipe Cutting, gasket and installation nut, the cone cap tail diameter successively and is less than described
Cap head diameter is bored, the expansion sleeve front end is inserted into the cone cap tail portion, which is characterized in that the expansion sleeve is described including being sleeved on
Expansion tube on screw rod is arranged friction plate in the expansion tube front end, the friction plate at least two and around the expansion tube
Axis is made 360 ° of annular arrays and is uniformly distributed, and the both sides of the friction plate and the expansion tube junction, which are equipped with, becomes v notch v, institute
It states expansion tube tail portion and is equipped with braking notch, shock insulation set front end is equipped with the pawl for stretching into the braking notch, the shock insulation
Set includes preceding reinforcing ring, rear reinforcing ring, the deformation set being arranged between the preceding reinforcing ring and rear reinforcing ring, and the deformation is put on
Equipped with the deformation through-hole through the deformation set outer wall, the deformation through-hole to the deformation covers head and covers tail portion to the deformation
The rotary orientation of spiral extension, the deformation through-hole is identical as the screw flight rotation direction, on the preceding reinforcing ring outer wall
Equipped with along the circumferentially distributed anti-skidding dog of the preceding reinforcing ring, the shock insulation set is nylon material, and the screw rod tail is equipped with ten
Word slot.
2. a kind of shock insulation anchor bolt according to claim 1, characterized in that reinforcing ring tail portion is equipped with bushing after described, described
Bushing is inserted into shearing resistance Pipe Cutting front end and is bonded with the anti-shearing inside pipe wall.
3. a kind of shock insulation anchor bolt according to claim 2, characterized in that the bushing stretches into the anti-shearing length of tube and is
The 1/2 of the anti-shearing length of tube.
4. a kind of shock insulation anchor bolt according to claim 1, characterized in that the expansion sleeve inner sleeve rubber sleeve, the rubber
Gum cover extends from below direction expansion tube under the friction plate.
5. a kind of shock insulation anchor bolt according to claim 4, characterized in that the expansion tube is equipped with diamond shape through-hole, described
Diamond shape through-hole at least two and circumferentially distributed along the expansion tube, the rubber sleeve tail portion extend below the only diamond shape through-hole.
6. a kind of shock insulation anchor bolt according to claim 1, characterized in that the braking gap width is less than the pawl
Width.
7. a kind of shock insulation anchor bolt according to claim 1, characterized in that the friction plate nose width is less than the friction
Piece aftermost breadth.
8. a kind of shock insulation anchor bolt according to claim 1, characterized in that the cone cap front end is equipped with arcwall face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721717427.9U CN208057631U (en) | 2017-12-12 | 2017-12-12 | A kind of shock insulation anchor bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721717427.9U CN208057631U (en) | 2017-12-12 | 2017-12-12 | A kind of shock insulation anchor bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208057631U true CN208057631U (en) | 2018-11-06 |
Family
ID=63998045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721717427.9U Expired - Fee Related CN208057631U (en) | 2017-12-12 | 2017-12-12 | A kind of shock insulation anchor bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208057631U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112483524A (en) * | 2019-09-12 | 2021-03-12 | 喜利得股份公司 | Expansion anchor bolt |
| CN115142560A (en) * | 2021-03-31 | 2022-10-04 | 昊恒（福建）建材科技有限公司 | Connecting unit of prefabricated building |
-
2017
- 2017-12-12 CN CN201721717427.9U patent/CN208057631U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112483524A (en) * | 2019-09-12 | 2021-03-12 | 喜利得股份公司 | Expansion anchor bolt |
| CN112483524B (en) * | 2019-09-12 | 2022-12-16 | 喜利得股份公司 | Expansion anchor bolt |
| US12012985B2 (en) | 2019-09-12 | 2024-06-18 | Hilti Aktiengesellschaft | Expansion anchor |
| CN115142560A (en) * | 2021-03-31 | 2022-10-04 | 昊恒（福建）建材科技有限公司 | Connecting unit of prefabricated building |
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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 |
Granted publication date: 20181106 Termination date: 20191212 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |