CN204755513U - Fastening type crab -bolt and adopt fastening structure of this fastening type crab -bolt - Google Patents
Fastening type crab -bolt and adopt fastening structure of this fastening type crab -bolt Download PDFInfo
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- CN204755513U CN204755513U CN201520306139.9U CN201520306139U CN204755513U CN 204755513 U CN204755513 U CN 204755513U CN 201520306139 U CN201520306139 U CN 201520306139U CN 204755513 U CN204755513 U CN 204755513U
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- bolt
- crab
- screw rod
- fastening
- straight trough
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Abstract
The utility model discloses a fastening type crab -bolt, it includes the screw rod, the lower part of screw rod is the linkage segment be connected with base material, the interval parallel arrangement that makes progress in lower extreme week of linkage segment has a plurality of straight flutes, the straight flute is unanimous with the axis direction of screw rod, still be provided with a plurality of ring channel on the linkage segment. The solidification back is glued in the anchor, with the bottom outlet lateral wall of concrete firmly the adhesion becoming integrative, through when the moment of torsion is exerted to the stock, straight flute on the linkage segment and the colloid that has solidified break away from each other, the colloid is packed between crab -bolt and bottom outlet to expand the follow -up expansion of end machinery crab -bolt after having realized being similar to. The utility model discloses simple structure, convenient to use to manufacturing cost greatly reduced does not destroy base material yet during the use.
Description
Technical field
The utility model relates to a kind of fastening type crab-bolt.
Background technique
Crab-bolt at the bottom of rear expansion is the anchoring piece that construction industry is commonly used, usually the parts such as screw rod, expansion sleeve are provided with, be arranged on expansion sleeve bottom expansion change in pre-processed boring and implement anchoring greatly, sidewall extrusion to boring bottom while its expansion, could expand after needing to destroy installation foundation material, and then realize the fixing of crab-bolt.
Model utility content
For background technique Problems existing, the purpose of this utility model is to provide a kind of fastening type crab-bolt, and this crab-bolt can not bring any damage to installation foundation material, just can realize the fastening of this crab-bolt.
For achieving the above object, a kind of fastening type crab-bolt disclosed in the utility model it comprise screw rod, the bottom of screw rod is the linkage section be connected with basic material, spaced and parallelly in the lower end circumference of described linkage section is provided with multiple straight trough, and described straight trough is consistent with the axial direction of screw rod; Described linkage section is also provided with several circular grooves.
Further, in the lower end circumference of described linkage section, uniform intervals is provided with multiple described straight trough.
Further, the groove depth of described straight trough is 1-3mm, and groove width is 1.5-5mm, and flute length is 4-10mm.
Further, the sectional shape of described circular groove is trigonometric form or rectangle.
Further, also spaced and parallelly in the top of described linkage section or middle part circumference multiple described straight trough is provided with.
Adopt a fastening structure for above-mentioned fastening type crab-bolt, the described linkage section of described fastening type crab-bolt stretches in the bottom outlet of basic material, is filled with anchor adhesive in described circular groove and straight trough, and anchor adhesive solidification sidewall that is rear and bottom outlet is fastening to be sticked together.
After anchor adhesive solidification, firmly stick in integral with concrete bottom outlet sidewall, by when anchor pole applies moment of torsion, the straight trough on linkage section and the colloid had cured depart from mutually, colloid is filled between crab-bolt and bottom outlet, thus achieves the follow-up expansion effect being similar to mechanical anchor at the bottom of rear expansion.
The utility model structure is simple, easy to use, and cost of production reduces greatly, does not also destroy basic material during use.
Accompanying drawing explanation
Fig. 1 is the structural scheme of mechanism of fastening type crab-bolt in embodiment 1;
Fig. 2 is the AA sectional view of straight trough;
Fig. 3 is the structural representation of fastening structure in embodiment 2.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described.
embodiment 1
As illustrated in fig. 1 and 2, a kind of fastening type crab-bolt it comprise screw rod, the bottom of screw rod is the linkage section 10 be connected with basic material, spaced and parallelly in the lower end circumference of linkage section 10 is provided with multiple straight trough 13, straight trough 13 is consistent with the axial direction of screw rod, and multiple straight trough 13 circumference is evenly arranged; Linkage section 13 is also provided with several circular grooves 11.The length of the groove depth of straight trough, groove width and groove adjusts in proportion according to crab-bolt diameter.Usual groove depth is 1-3mm, and groove width is 1.5-5mm, and flute length is 4-10mm.
And the sectional shape of circular groove 11 is trigonometric form, and the triangle top slope of circular groove 11 is larger, bears larger radial force thus.Meanwhile, in order to resist moment of torsion better, set up straight trough 15 on the top of linkage section 10, straight trough 15 is evenly arranged along linkage section circumference.
embodiment 2
As shown in Figure 3, a kind of fastening structure adopting above-mentioned fastening type crab-bolt, the linkage section 10 of fastening type crab-bolt stretches in the bottom outlet 20 of basic material, is filled with anchor adhesive 25 in circular groove 11 and straight trough 13 and 15, and anchor adhesive 25 solidifies afterwards and the sidewall of bottom outlet 20 is fastening is sticked together.
Below only describe several preferred embodiments of the application by reference to the accompanying drawings, but the application is not limited thereto, every those of ordinary skill in the art are under the spirit not departing from the application, and any improvement made and/or distortion, all belong to the protection domain of the application.
Claims (6)
1. a fastening type crab-bolt, is characterized in that, it comprises screw rod, and the bottom of screw rod is the linkage section be connected with basic material, spaced and parallelly in the lower end circumference of described linkage section is provided with multiple straight trough, and described straight trough is consistent with the axial direction of screw rod; Described linkage section is also provided with several circular grooves.
2. crab-bolt as claimed in claim 1, it is characterized in that, in the lower end circumference of described linkage section, uniform intervals is provided with multiple described straight trough.
3. crab-bolt as claimed in claim 1, it is characterized in that, the groove depth of described straight trough is 1-3mm, and groove width is 1.5-5mm, and flute length is 4-10mm.
4. crab-bolt as claimed in claim 1, it is characterized in that, the sectional shape of described circular groove is trigonometric form or rectangle.
5. crab-bolt as claimed in claim 1, is characterized in that, also spaced and parallelly in the top of described linkage section or middle part circumference is provided with multiple described straight trough.
6. one kind adopts the fastening structure of the arbitrary described fastening type crab-bolt of claim 1-5, it is characterized in that, the described linkage section of described fastening type crab-bolt stretches in the bottom outlet of basic material, is filled with anchor adhesive in described circular groove and straight trough, and anchor adhesive solidification sidewall that is rear and bottom outlet is fastening to be sticked together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520306139.9U CN204755513U (en) | 2015-05-13 | 2015-05-13 | Fastening type crab -bolt and adopt fastening structure of this fastening type crab -bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520306139.9U CN204755513U (en) | 2015-05-13 | 2015-05-13 | Fastening type crab -bolt and adopt fastening structure of this fastening type crab -bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204755513U true CN204755513U (en) | 2015-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520306139.9U Active CN204755513U (en) | 2015-05-13 | 2015-05-13 | Fastening type crab -bolt and adopt fastening structure of this fastening type crab -bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204755513U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106151208A (en) * | 2016-06-29 | 2016-11-23 | 杭州斯泰新材料技术有限公司 | A kind of chemistry bolt and manufacture method |
| CN107091265A (en) * | 2017-06-14 | 2017-08-25 | 周松桂 | A kind of setscrew firmware of anti-heat transfer |
-
2015
- 2015-05-13 CN CN201520306139.9U patent/CN204755513U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106151208A (en) * | 2016-06-29 | 2016-11-23 | 杭州斯泰新材料技术有限公司 | A kind of chemistry bolt and manufacture method |
| CN107091265A (en) * | 2017-06-14 | 2017-08-25 | 周松桂 | A kind of setscrew firmware of anti-heat transfer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191122 Address after: No. 220, gaoerji Road, Xigang District, Dalian, Liaoning Patentee after: Fashida (Dalian) Industrial Group Co.,Ltd. Address before: 201500 room 40388, building 3, 1800 Panyuan Road, Changxing Town, Chongming District, Shanghai (Shanghai Taihe Economic Development Zone) Patentee before: Shanghai chuangjiong enterprise management consulting service center Effective date of registration: 20191122 Address after: 201500 room 40388, building 3, 1800 Panyuan Road, Changxing Town, Chongming District, Shanghai (Shanghai Taihe Economic Development Zone) Patentee after: Shanghai chuangjiong enterprise management consulting service center Address before: 100102, room 2802, Jinyu international E, 48 West Road, Chaoyang District, Beijing, Wangjing Patentee before: Liu Pingyuan |