CN204164116U - A kind of spring expansion anchor screw detachably repeatedly utilized - Google Patents
A kind of spring expansion anchor screw detachably repeatedly utilized Download PDFInfo
- Publication number
- CN204164116U CN204164116U CN201420570272.0U CN201420570272U CN204164116U CN 204164116 U CN204164116 U CN 204164116U CN 201420570272 U CN201420570272 U CN 201420570272U CN 204164116 U CN204164116 U CN 204164116U
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- Prior art keywords
- screw
- spring
- expansion anchor
- repeatedly utilized
- spring expansion
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Abstract
The utility model discloses a kind of spring expansion anchor screw detachably repeatedly utilized, the spring comprising screw and coordinate with it, described screw head is provided with screw head, thread section is provided with bottom screw, the end of thread section is provided with the tapering of being inserted in for spring, the cross section in this tapering changes from bottom screw gradually to screw head with increasing, and the diameter of described screw is more than or equal to the external diameter of spring.The utility model structure is simple, be easy to manufacture, and can reduce cost of production; Anchoring pulling force is enhanced, and Security is higher; Fitting operation is convenient and swift, few to architectural plane damage, can reduce consumptive material, is conducive to saving construction cost; It is convenient to dismantle, and can repeatedly utilize.
Description
Technical field
The utility model relates to building materials field and indoor and outdoor decoration furnishing fields, particularly relates to a kind of building engineering shuttering and reinforces auxiliary.
Background technique
In modern architecture, fitting-up, in order to ensure anchoring efficiency and safety; Conventional conventional expanded screw, installation efficiency is low, single use, cost are high, cannot completely dismantle, and needs cutting, polishing, antirust series of complex operation to complete existing building surface reconditioning, such as.Based on consumption end cost, efficiency, safety, after sale quality consideration, spy have developed the spring expansion anchor screw that this Novel dismountable repeatedly utilizes.
Model utility content
For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of spring expansion anchor screw detachably repeatedly utilized, and its structure is simple, be easy to manufacture, and can reduce cost of production; Anchoring pulling force is enhanced, and Security is higher; Fitting operation is convenient and swift, few to architectural plane damage, can reduce consumptive material, is conducive to saving construction cost; It is convenient to dismantle, and can repeatedly utilize.
For achieving the above object, the utility model adopts following technological scheme:
A kind of spring expansion anchor screw detachably repeatedly utilized, the spring comprising screw and coordinate with it, described screw head is provided with screw head, thread section is provided with bottom screw, the end of thread section is provided with the tapering of being inserted in for spring, the cross section in this tapering changes from bottom screw gradually to screw head with increasing, and the diameter of described screw is more than or equal to the external diameter of spring.
Further, one end that described spring is inserted in screw is provided with a compacting pulling-on piece, and this compacting pulling-on piece is closely attached on the outer surface of thread section.
Further, described screw head is set to an annular handle.
Further, described screw neck is provided with into ground index line.
Further, entering ground index line described in is the circle microgroove being arranged at screw neck.
Compared to existing technology, the beneficial effects of the utility model are:
During use, first spring is rotated in advance and be screwed into 1-2 circle to be inserted in outside the tapering of screw, then this spring expansion anchor screw is knocked in pre-manufactured hole; Rotary screw head makes screw precession and extrusion spring, makes spring expand and between screw and prefabricated hole wall, thus reach the object of expansion anchoring; This spring expansion anchor screw have structure simple, be easy to manufacture, can cost of production be reduced; By screw extrusion spring, make it between screw and prefabricated hole wall, can strengthen anchoring pulling force, Security is higher; The fitting operation of this spring expansion anchor screw is convenient and swift, few to architectural plane damage, can reduce consumptive material, is conducive to saving construction cost; During this spring expansion anchoring screw dismounting, only need counterrotating screw head just can, and dismounting after screw also can repeatedly utilize.
Accompanying drawing explanation
Fig. 1 is the stereogram of a kind of spring expansion anchor screw detachably repeatedly utilized of the utility model;
Fig. 2 is the three-dimensional exploded view of a kind of spring expansion anchor screw detachably repeatedly utilized shown in Fig. 1;
Fig. 3 is the stereogram of a kind of another angle of spring expansion anchor screw detachably repeatedly utilized of the utility model;
Fig. 4 is the stereogram of the utility model medi-spring.
Wherein: 1, screw; 11, thread section; 111, tapering; 12, annular handle; 13, handle seat; 14, rhombus microgroove; 2, spring; 21, pulling-on piece is suppressed.
Embodiment
Below, by reference to the accompanying drawings and embodiment, the utility model is described further:
Refer to Fig. 1 to Fig. 4, the utility model provides a kind of spring expansion anchor screw detachably repeatedly utilized, it is that one is useful in body of wall, furred ceiling, surface dilation anchoring article link, this spring 2 detachably repeatedly utilizing spring expansion anchor screw to comprise screw 1 and coordinate with it, described screw 1 top is provided with screw head, thread section 11 is provided with bottom screw 1, the end of thread section 11 is provided with the tapering 111 of being inserted in for spring 2, the cross section in this tapering 111 changes from bottom screw 1 gradually to screw 1 top with increasing, the diameter of described screw 1 is more than or equal to the external diameter of spring 2.
During use, first spring 2 is rotated in advance and be screwed into 1-2 circle to be inserted in outside the tapering 111 of screw 1, then this screw 1 is knocked in pre-manufactured hole; Rotary screw head makes screw 1 precession and extrusion spring 2, body of rod diameter because of screw 1 is more than or equal to the external diameter of spring 2, therefore screw 1 is when screwing in spring 2, spring 2 can be made to expand and between screw 1 and prefabricated hole wall, thus reaches the object of expansion anchoring; This spring expansion anchor screw have structure simple, be easy to manufacture, can cost of production be reduced; By screw 1 extrusion spring 2, make it between screw 1 and prefabricated hole wall, can strengthen anchoring pulling force, Security is higher; The fitting operation of this spring expansion anchor screw is convenient and swift, few to architectural plane damage, can reduce consumptive material, is conducive to saving construction cost; During this spring expansion anchoring screw dismounting, only need counterrotating screw head just can, and dismounting after screw 1 also can repeatedly utilize.
Particularly, described screw head can be provided with straight groove, cross recess or hexagonal groove, also screw head can be set to hexagonal flat-top shape, as long as the profile design that can beat screw 1, rotate with instrument; And in the present embodiment, as a kind of embodiment of optimum, described screw head is set to an annular handle 12, also be provided with a handle seat 13 between annular handle 12 and the top of screw 1, the benefit of this design is: the instrument rotating this spring expansion anchor screw can be claw hammer or an iron rod, only need pass in this annular handle 12 by claw hammer or iron rod, just the rotation to screw 1 can be realized, these article are very general at the construction field (site), therefore without the need to preparing special throw, are convenient to operation.
As further improvement, one end that described spring 2 is inserted in screw 1 is provided with a compacting pulling-on piece 21, this compacting pulling-on piece 21 is closely attached on the outer surface (as shown in Figure 3) of thread section 11, also this compacting pulling-on piece 21 can be set to arc, to be close to thread section 11 outer surface better; Beat and rotary screw 1 process in, this compacting pulling-on piece 21 can reach the effect preventing spring 2 from coming off.
Further, described screw 1 neck is provided with into ground index line, particularly, described enter ground index line be the circle rhombus microgroove 14 being arranged at screw 1 neck, this rhombus microgroove 14 accounts for 1/3 of screw 1 length apart from the length on screw 1 top, and this design the person of being convenient to operation observe work progress, starts then rotary screw 1 when 2/3 length knocked in by screw 1, make 1/3 remaining part precession pre-manufactured hole, just can realize expansion anchoring.
To one skilled in the art, according to technological scheme described above and design, other various corresponding change and deformation can be made, and all these change and deformation all should belong within the protection domain of the utility model claim.
Claims (5)
1. the spring expansion anchor screw detachably repeatedly utilized, it is characterized in that: the spring comprising screw and coordinate with it, described screw head is provided with screw head, thread section is provided with bottom screw, the end of thread section is provided with the tapering of being inserted in for spring, the cross section in this tapering changes from bottom screw gradually to screw head with increasing, and the diameter of described screw is more than or equal to the external diameter of spring.
2. the spring expansion anchor screw detachably repeatedly utilized as claimed in claim 1, is characterized in that: one end that described spring is inserted in screw is provided with a compacting pulling-on piece, and this compacting pulling-on piece is closely attached on the outer surface of thread section.
3. the spring expansion anchor screw detachably repeatedly utilized as claimed in claim 1, is characterized in that: described screw head is set to an annular handle.
4. the detachable spring expansion anchor screw repeatedly utilized as described in any one of claims 1 to 3, is characterized in that: described screw neck is provided with into ground index line.
5. the as claimed in claim 4 spring expansion anchor screw detachably repeatedly utilized, is characterized in that: described in enter ground index line be the circle microgroove being arranged at screw neck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420570272.0U CN204164116U (en) | 2014-09-29 | 2014-09-29 | A kind of spring expansion anchor screw detachably repeatedly utilized |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420570272.0U CN204164116U (en) | 2014-09-29 | 2014-09-29 | A kind of spring expansion anchor screw detachably repeatedly utilized |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204164116U true CN204164116U (en) | 2015-02-18 |
Family
ID=52537807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420570272.0U Expired - Fee Related CN204164116U (en) | 2014-09-29 | 2014-09-29 | A kind of spring expansion anchor screw detachably repeatedly utilized |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204164116U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915214A (en) * | 2020-07-07 | 2022-01-11 | 国山石材企业有限公司 | Anti-falling reverse hanging screw for stone and mounting method thereof |
-
2014
- 2014-09-29 CN CN201420570272.0U patent/CN204164116U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915214A (en) * | 2020-07-07 | 2022-01-11 | 国山石材企业有限公司 | Anti-falling reverse hanging screw for stone and mounting method thereof |
| CN113915214B (en) * | 2020-07-07 | 2023-03-24 | 国山石材企业有限公司 | Anti-falling reverse hanging screw for stone and mounting method thereof |
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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 |
Granted publication date: 20150218 Termination date: 20160929 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |