CN207848130U - It is a kind of to draw quick-fried anchor bolt - Google Patents
It is a kind of to draw quick-fried anchor bolt Download PDFInfo
- Publication number
- CN207848130U CN207848130U CN201721717645.2U CN201721717645U CN207848130U CN 207848130 U CN207848130 U CN 207848130U CN 201721717645 U CN201721717645 U CN 201721717645U CN 207848130 U CN207848130 U CN 207848130U
- Authority
- CN
- China
- Prior art keywords
- strip
- hole
- screw rod
- expansion
- expansion sleeve
- 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
Abstract
Quick-fried anchor bolt is drawn the utility model is related to a kind of, including screw rod, expansion sleeve, cone, flat shim, nut is installed, expansion sleeve includes, expansion tube, Expandable strip, Expandable strip at least two and around expansion tube hub make 360 ° of annular arrays be uniformly distributed, Expandable strip head periphery is equipped with the deformation anti-slip tank of annular, it deforms anti-slip tank at least two and is distributed along expansion sleeve axis direction, strip through-hole is offered on expansion tube, strip through-hole at least two and make the distribution of 360 ° of annular arrays around screw axis, tread plate is equipped in strip through-hole, tread plate tail end is connect with strip through-hole tail end, screw rod, which is equipped with, stretches into the sharp convex of strip through-hole, only tread plate head inner wall is supported in the convex outer end of point.The utility model so that Anti-slip regulation item struts block mounting hole outward expansion sleeve during expansion by convex and tread plate the cooperation of point, prevent expansion sleeve transfer, point, which protrudes into strip through-hole, simultaneously effectively prevent screw rod to rotate, and deformation anti-slip tank effectively promotes the fastening force of Expandable strip.
Description
Technical field
The utility model is related to fasteners, more particularly to a kind of to draw quick-fried anchor bolt.
Background technology
In existing building, construction process, more and more with the anchor bolt equipped with expansion tube, expansion anchor is because of it
The reliability of anchoring and the flexibility of installation are widely used at many aspects, and are replacing built-in fitting, become a kind of novel
Pre-process fastener.It is all that smooth expansion tube is combined with nuts and bolt and is used together that booster is drawn in existing common expansion, is being pacified
The phenomenon that expansion tube spins, skids with bolt or nut is often generated when tightening bolt either nut in dress engineering,
So that expansion tube top, end while dilatancy, lead to the anchor bolt insufficient strength of installation and bury security risk.
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：It is a kind of to draw quick-fried anchor bolt, including screw rod, be sleeved on
Cone in the screw head is arranged in expansion sleeve on the screw rod, and the cone tail portion is inserted into the expansion sleeve head,
The cone head diameter is less than the cone tail diameter, and flat shim is cased on the screw rod of the expansion sleeve tail portion, described flat
It is threaded with installation nut on the screw rod of gasket tail portion, spring washer is accompanied between the installation nut and the flat shim,
The expansion sleeve includes the expansion tube being sleeved on the screw rod, the Expandable strip in the expansion tube head, the Expandable strip is arranged
At least two and around the expansion tube hub make 360 ° of annular arrays be uniformly distributed, Expandable strip head periphery be equipped with annular
Deform anti-slip tank, the deformation anti-slip tank at least two and along expansion sleeve axis direction distribution opens up along the expansion tube
There is a strip through-hole, the strip through-hole at least two and make 360 ° of annular arrays distributions around the screw axis, the bar shaped is logical
Hole extends along the screw axis direction, and tread plate is equipped in the strip through-hole, and the tread plate tail end is logical with the bar shaped
Hole tail end connection, the screw rod, which is equipped with, stretches into the sharp convex of the strip through-hole, and the only tread plate head is supported in the convex outer end of point
Portion's inner wall.
So that Anti-slip regulation item supports expansion sleeve outward during expansion by convex and tread plate the cooperation of point in above-mentioned design
It opens and blocks mounting hole, prevent expansion sleeve transfer, while point protrudes into the strip through-hole and screw rod is effectively prevent to rotate, deformation is anti-
Sliding slot effectively promotes the fastening force of Expandable strip.
As being further improved for the design, the flat shim is stamped with forward anti-skidding salient point outstanding forward from tail end,
The anti-skidding salient point at least two and around the flat shim center make 360 ° of annular arrays be uniformly distributed.Anti-skidding salient point is effectively prevent
Flat shim rotation prevents from twisting resistance passing to expansion sleeve, and easy to process.
As being further improved for the design, the convex tail portion of point is from the screw rod tail axis to the screw head
Outside extend inclined-plane, convenient for point it is convex strut the tread plate and prevent point it is convex between tread plate it is stuck.
As being further improved for the design, the deformation anti-slip tank at least three, each deformation anti-slip tank inner sleeve
Seamed ferrule, the anti-skidding at least two ferrule width of well width of deformation.Expandable strip is convenient in seamed ferrule
It is more preferable to prohibit solid effect at hangnail for turnup step by step, final Expandable strip turnup.
As being further improved for the design, the screw rod tail is equipped with striking head, effectively prevent striking when installation and hinders screw rod
Upper screw thread.
The utility model has the beneficial effects that：The utility model makes expansion sleeve exist by convex and tread plate the cooperation of point
Anti-slip regulation item struts outward when expansion blocks mounting hole, prevents expansion sleeve transfer, while point protrudes into the strip through-hole
It effectively prevent screw rod to rotate, deformation anti-slip tank effectively promotes the fastening force of Expandable strip.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the outer profile schematic diagram of the utility model.
Fig. 2 is the diagrammatic cross-section of the utility model.
1. screw rod in figure, 2. strip through-holes, 3. ferrules, 4. cones, 5. deformation anti-slip tanks, 6. Expandable strips, 7. points are convex,
8. tread plate, 9. expansion tubes, 10. flat shims, 11. anti-skidding salient points, 12. spring washers, 13. installation nuts, 14. striking heads, 15.
Expansion sleeve.
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：It is a kind of to draw quick-fried anchor bolt, including screw rod 1, the expansion sleeve 15 being sleeved on the screw rod 1, setting in the spiral shell
The cone 4 on 1 head of bar, 4 tail portion of the cone are inserted into 15 head of expansion sleeve, and 4 head diameter of the cone is less than described
4 tail diameter of cone, is cased with flat shim 10 on the screw rod 1 of 15 tail portion of the expansion sleeve, on the screw rod 1 of 10 tail portion of the flat shim
It is threaded with installation nut 13, spring washer 12, the expansion are accompanied between the installation nut 13 and the flat shim 10
Set 15 includes the expansion tube 9 being sleeved on the screw rod 1, Expandable strip 6 on 9 head of the expansion tube is arranged, the Expandable strip 6 to
Lack two and make 360 ° of annular arrays around 9 center of the expansion tube and be uniformly distributed, 6 head periphery of the Expandable strip is equipped with annular
Deform anti-slip tank 5, the deformation anti-slip tank 5 at least two and along the distribution of 15 axis direction of the expansion sleeve, along the expansion tube 9
It offers strip through-hole 2, the strip through-hole 2 at least two and makees 360 ° of annular arrays distributions around 1 axis of the screw rod, it is described
Strip through-hole 2 extends along 1 axis direction of the screw rod, is equipped with tread plate 8 in the strip through-hole 2,8 tail end of the tread plate with
2 tail end of the strip through-hole connects, and the screw rod 1 is equipped with the point convex 7 for stretching into the strip through-hole 2, and convex 7 outer end of point is supported
Only 8 head inner wall of the tread plate.
In above-mentioned design by point convex 7 and tread plate 8 cooperation make expansion sleeve 15 during expansion Anti-slip regulation item 8 to
Outer strut blocks mounting hole, prevents 15 transfer of expansion sleeve, while point convex 7 stretches into the strip through-hole 2 and effectively prevent 1 turn of screw rod
Dynamic, deformation anti-slip tank 5 effectively promotes the fastening force of Expandable strip 6.
As being further improved for the design, the flat shim 10 is stamped with forward anti-skidding salient point outstanding forward from tail end
11, the anti-skidding salient point 11 at least two and around 10 center of the flat shim make 360 ° of annular arrays be uniformly distributed.Anti-skidding salient point
11 effectively prevent the rotation of flat shim 10 to prevent from twisting resistance passing to expansion sleeve 15, and easy to process.
As being further improved for the design, convex 7 tail portion of point is from 1 tail portion axis of the screw rod to the screw rod 1
The inclined-plane extended on the outside of head struts the tread plate 8 convenient for point convex 7 and prevents point convex 7 stuck between tread plate 8.
As being further improved for the design, the deformation anti-slip tank 5 at least three, each in the deformation anti-slip tank 5
It is cased with seamed ferrule 3,5 width of the deformation anti-slip tank, at least two ferrule, 3 width.Seamed ferrule 3 is convenient for
It is more preferable to prohibit solid effect at hangnail to Expandable strip 6 for turnup, 6 turnup of final Expandable strip step by step.
As being further improved for the design, 1 tail portion of the screw rod is equipped with striking head 14, effectively prevent striking when installation and hinders spiral shell
Screw thread on bar 1.
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)
- Draw quick-fried anchor bolt 1. a kind of, including screw rod, be sleeved on the screw rod expansion sleeve, cone in the screw head is set, The cone tail portion is inserted into the expansion sleeve head, and the cone head diameter is less than the cone tail diameter, feature It is, flat shim is cased on the screw rod of the expansion sleeve tail portion, installation spiral shell is threaded on the screw rod of the flat shim tail portion Mother, accompanies spring washer between the installation nut and the flat shim, the expansion sleeve include be sleeved on it is swollen on the screw rod Tube expansion is arranged in the Expandable strip for expanding tube head, the Expandable strip at least two and makees 360 ° around the expansion tube hub Annular array is uniformly distributed, and Expandable strip head periphery is equipped with the deformation anti-slip tank of annular, the deformation anti-slip tank at least two It is a and be distributed along the expansion sleeve axis direction, strip through-hole, the strip through-hole at least two are offered along the expansion tube And make 360 ° of annular array distributions around the screw axis, the strip through-hole extends along the screw axis direction, the item Tread plate is equipped in shape through-hole, the tread plate tail end is connect with the strip through-hole tail end, and the screw rod is equipped with and stretches into institute The point for stating strip through-hole is convex, and only tread plate head inner wall is supported in the convex outer end of point.
- 2. a kind of quick-fried anchor bolt of drawing according to claim 1, characterized in that the flat shim is stamped with forward forward from tail end Anti-skidding salient point outstanding, the anti-skidding salient point at least two and around the flat shim center make 360 ° of annular arrays be uniformly distributed.
- 3. a kind of quick-fried anchor bolt of drawing according to claim 1, characterized in that the convex tail portion of point is from the screw rod tail axis The inclined-plane that line extends to screw head outside.
- 4. a kind of quick-fried anchor bolt of drawing according to claim 1, characterized in that the deformation anti-slip tank at least three, Mei Gesuo It states and is cased with seamed ferrule in deformation anti-slip tank, the anti-skidding at least two ferrule width of well width of deformation.
- 5. a kind of quick-fried anchor bolt of drawing according to claim 1, characterized in that the screw rod tail is equipped with striking head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721717645.2U CN207848130U (en) | 2017-12-12 | 2017-12-12 | It is a kind of to draw quick-fried anchor bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721717645.2U CN207848130U (en) | 2017-12-12 | 2017-12-12 | It is a kind of to draw quick-fried anchor bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207848130U true CN207848130U (en) | 2018-09-11 |
Family
ID=63424136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721717645.2U Expired - Fee Related CN207848130U (en) | 2017-12-12 | 2017-12-12 | It is a kind of to draw quick-fried anchor bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207848130U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108539458A (en) * | 2018-04-04 | 2018-09-14 | 徐漫洋 | Power supply terminal and charging pipette tips |
| CN110644771A (en) * | 2019-08-26 | 2020-01-03 | 滁州金诚金属制品有限公司 | Scaffold connecting buckle |
| CN112727880A (en) * | 2020-12-22 | 2021-04-30 | 徐之佩 | Anti-skid expansion bolt |
| CN113137417A (en) * | 2021-04-29 | 2021-07-20 | 海宁天立金属制品有限公司 | Self-adaptive telescopic expansion screw and machining device thereof |
-
2017
- 2017-12-12 CN CN201721717645.2U patent/CN207848130U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108539458A (en) * | 2018-04-04 | 2018-09-14 | 徐漫洋 | Power supply terminal and charging pipette tips |
| CN110644771A (en) * | 2019-08-26 | 2020-01-03 | 滁州金诚金属制品有限公司 | Scaffold connecting buckle |
| CN112727880A (en) * | 2020-12-22 | 2021-04-30 | 徐之佩 | Anti-skid expansion bolt |
| CN113137417A (en) * | 2021-04-29 | 2021-07-20 | 海宁天立金属制品有限公司 | Self-adaptive telescopic expansion screw and machining device thereof |
| CN113137417B (en) * | 2021-04-29 | 2021-12-17 | 海宁天立金属制品有限公司 | Self-adaptive telescopic expansion screw and machining device 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 |
Granted publication date: 20180911 Termination date: 20201212 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |