CN207229545U - Speciality expansion anchor is used in one kind fixation - Google Patents
Speciality expansion anchor is used in one kind fixation Download PDFInfo
- Publication number
- CN207229545U CN207229545U CN201721033316.6U CN201721033316U CN207229545U CN 207229545 U CN207229545 U CN 207229545U CN 201721033316 U CN201721033316 U CN 201721033316U CN 207229545 U CN207229545 U CN 207229545U
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- CN
- China
- Prior art keywords
- expansion
- main body
- expansion anchor
- loop
- speciality
- 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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Abstract
The utility model discloses one kind fixation to use speciality expansion anchor, including expansion anchor main body and expansion loop, hex nut is fitted with the outside of the expansion anchor main body, and it is provided with expansion gear below expansion anchor main body, the hex nut bottom is provided with spring washer, is fitted with large washer below the spring washer, the expansion loop surface is provided with expansion slot, and expansion loop bottom is welded with limiting card, the expansion slot or so and is provided with limiting card.The fixation is provided with limiting card with speciality expansion anchor main body, it is when expansion anchor main body is used in installation this kind fixation, its left and right sides for symmetrical structure boss-shaped structure because expansion and being stuck on the inner wall in hole tightly, crab-bolt is can effectively prevent to rotate, its construction is reasonable and simple in structure, and the annular concave-convex shape structure on the outside of its expansion loop is more convenient when causing in expansion anchor main body insertion drilling, without using other instruments, the installation of crab-bolt is greatly facilitated, improves installation effectiveness.
Description
Technical field
Architectural Equipment technical field is the utility model is related to, is specially that speciality expansion anchor is used in a kind of fixation.
Background technology
Expansion bolt, be byPipelineProp up/hang/bracket orEquipmentIt is fixed on the wall,FloorIt is a kind of special used on upper, columnIt is threadedly coupledPart, in use, electric impact drill must be used first（Hammer）The hole of corresponding size is drilled out on fixed body, then bolt, tube expansion
In load hole, tightening nut can be integrally formed swelling between bolt, tube expansion, installed part and fixed body.Can be swollen after tightening
Swollen, bolt tail has a major part, the outer surface cover one of bolt pipe more slightly larger than the diameter of bolt, afterbody part You Ji roads
Opening, after bolt is tightened, the afterbody of major part is just brought to inside the pipe of opening, pipe is rushed the mesh for greatly, reaching expansion
, and then bolt is fixed on ground or wall, achieve the purpose that to take root, in order to install such expansion anchor main body, press
According to the prior art, to make a drilling and be then driven into crab-bolt with hammer, finally, such as with spanner be tightened in expansion
Set nut, expansion area is pulled in expansion sleeve and expand expansion sleeve therewith at this time in crab-bolt main body.In general, by
Reaching target torque on nut can be inferred to：Target expansion is reached on expansion sleeve, and thereby has reached desired
Pull-out strength, but the installation process is probably cumbersome, because it is generally necessary to use three different instruments, that is, is bored
Hole machine, hammer and spanner, and can not know whether expansion anchor main body reaches the range of expansion after installing, so
Very big inconvenience is brought when installing and using.
Utility model content
The purpose of this utility model is to provide one kind fixation to use speciality expansion anchor, to solve to carry in above-mentioned background technology
Easily rotate when haveing common expansion anchor main body installation trouble currently on the market, and installing, and can not directly know and be
No the problem of reaching target expansion.
To achieve the above object, the utility model provides following technical solution：Speciality expansion anchor is used in one kind fixation, including
Expansion anchor main body and expansion loop, the expansion anchor main body outside is fitted with hex nut, and is set below expansion anchor main body
Expansion gear is equipped with, the hex nut bottom is provided with spring washer, large washer is fitted with below the spring washer, described
Expansion loop surface is provided with expansion slot, and expansion loop bottom is welded with limiting card, the expansion slot or so and is provided with limiting card, institute
State and be provided with expansion gear on the inside of limiting card.
Preferably, the distance of step-like structure to upper surface is 3cm on the outside of the expansion anchor main body, and its step-like knot
Structure outside diameter is less than expansion loop internal diameter.
Preferably, it is annular concave-convex shape structure on the outside of the expansion loop, and its inner side is hollow-core construction.
Preferably, symmetrical structure centered on the expansion slot, and the length of 10mm, and its groove width is 1mm.
Preferably, the limiting card overall structure is loop configuration, and its outboard structure is boss-shaped structure, and it is left
The boss-shaped structure end face distance of right both sides is smaller than expansion loop maximum outside diameter.
Compared with prior art, the beneficial effects of the utility model are：The fixation is provided with speciality expansion anchor main body
Limiting card, its when installing that this kind is fixed use expansion anchor main body, its left and right sides for symmetrical structure boss-shaped structure because of
Expansion and being stuck on the inner wall in hole tightly, can effectively prevent crab-bolt rotates, its construction is reasonable and simple in structure, has
There is a very high practicality, and when the annular concave-convex shape structure on the outside of its expansion loop causes in expansion anchor main body insertion drilling
It is more convenient, without using other instruments, the installation of crab-bolt is greatly facilitated, improves installation effectiveness.
Brief description of the drawings
Fig. 1 is the utility model structure diagram.
Fig. 2 is the utility model internal structure schematic diagram.
Fig. 3 is the utility model limiting clamp structure schematic diagram.
In figure：1st, expansion anchor main body, 2, hex nut, 3, spring washer, 4, large washer, 5, expansion loop, 6, expansion slot,
7th, limiting card, 8, expansion gear.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：Speciality expansion anchor is used in one kind fixation, including swollen
Expansion anchor bolt main body 1 and expansion loop 5, the outside of expansion anchor main body 1 is fitted with hex nut 2, and the lower section of expansion anchor main body 1 is set
There is an expansion gear 8, the distance of 1 outside step-like structure of expansion anchor main body to upper surface is 3cm, and its step-like structure outside diameter
Less than 5 internal diameter of expansion loop, the distance of step-like structure to the upper surface in the outside of expansion anchor main body 1 is that 3cm is the expansion anchor
The stroke of the maximum target swell increment of main body 1, if distance of its step-like structure to upper surface is too long to not only increase installation
When workload, reduce installation effectiveness, while also result in the waste to material, production cost added, when hex nut 2 arrives
It may know that when at up to step-like structure and reached range, 2 bottom of hex nut is provided with spring washer 3, spring washer 3
Lower section is fitted with large washer 4, and 5 surface of expansion loop is provided with expansion slot 6, and 5 bottom of expansion loop is welded with limiting card 7, expansion loop 5
Outside is annular concave-convex shape structure, and its inner side is hollow-core construction, and the annular concave-convex shape structure in the outside of expansion loop 5 causes the expansion
More convenient when in the insertion drilling of crab-bolt main body 1, expansion slot 6 or so is provided with limiting card 7, symmetrical structure centered on expansion slot 6,
And the length of 10mm, and its groove width is 1mm, its symmetrical structure causes the expansion anchor main body 1 because tightening and lower section hair
During raw expansion so that expansion loop 5 is expanded to both sides, and its notch length 10mm is the maximum target of the expansion anchor main body 1
Swell increment, the time of processing is added if its notch length is long, reduces economic well-being of workers and staff, and if its slot opening is spent
Width, when it easily rotates because of being reduced to the contact area of expansion anchor main body 1 when mounted, the inner side of limiting card 7 is set
Expansion gear 8 is equipped with, 7 overall structure of limiting card is loop configuration, and its outboard structure is boss-shaped structure, and its left and right two
The boss-shaped structure end face distance of side is smaller than 5 maximum outside diameter of expansion loop, its left and right sides for symmetrical structure boss-shaped structure because
Being stuck on the inner wall of drilling tightly for expansion, can effectively prevent expansion anchor main body 1 and rotates, and it is constructed
It is reasonable and simple in structure, there is very high practicality.
Operation principle：When using speciality expansion anchor using the one kind is fixed, double check is first carried out to it, confirms inspection
Whether have impurity and thread either with or without damage, check after confirming, will expand if looking into the 1 screw thread thread of expansion anchor main body
Circle 5 is sleeved on the outside of expansion anchor main body 1, then installs large washer 4 and for delaying in 1 upper end of expansion anchor main body successively
The spring washer 3 of punching effect, then screws on hex nut 2, then the fixation is placed into pre-drilled drilling with crab-bolt,
When in insertion drilling, the annular concave-convex shape structure in the outside of expansion loop 5 is more square when causing in the expansion anchor main body 1 insertion drilling
Just, then start to tighten hex nut 2 using spanner, hex nut 2 is the past pull-up of expansion anchor main body 1, by lower section
Expansion gear 8 pull in inside expansion loop 5, expansion loop 5 is welded on 5 bottom of expansion loop at this time from expansion slot 6 toward both sides spreading
Its left and right sides of limiting card 7 for symmetrical structure boss-shaped structure because expansion and being stuck on the inner wall of drilling tightly, it can
Prevent that crab-bolt rotates during installation with effective, improve the installation effectiveness of crab-bolt, the annular convex platform in expansion anchor main body 1
It is fixation crab-bolt maximum target swell increment, so that it is tightly secured in wall when shape structure is contradicted with hex nut 2
On, so as to complete a series of work.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it can still modify the technical solution described in foregoing embodiments, or to which part technical characteristic into
Row equivalent substitution, where within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on should all
It is included within the scope of protection of this utility model.
Claims (5)
1. speciality expansion anchor, including expansion anchor main body are used in one kind fixation（1）And expansion loop（5）, it is characterised in that：It is described swollen
Expansion anchor bolt main body（1）Outside is fitted with hex nut（2）, and expansion anchor main body（1）Lower section is provided with expansion gear（8）, institute
State hex nut（2）Bottom is provided with spring washer（3）, the spring washer（3）Lower section is fitted with large washer（4）, it is described swollen
Packing（5）Surface is provided with expansion slot（6）, and expansion loop（5）Bottom is welded with limiting card（7）, the expansion slot（6）Left and right is set
It is equipped with limiting card（7）, the limiting card（7）Inner side is provided with expansion gear（8）.
2. speciality expansion anchor is used in a kind of fixation according to claim 1, it is characterised in that：The expansion anchor main body
（1）The distance of outside step-like structure to upper surface is 3mm, and its step-like structure outside diameter is less than expansion loop（5）Internal diameter.
3. speciality expansion anchor is used in a kind of fixation according to claim 1, it is characterised in that：The expansion loop（5）Outside
For annular concave-convex shape structure, and its inner side is hollow-core construction.
4. speciality expansion anchor is used in a kind of fixation according to claim 1, it is characterised in that：The expansion slot（6）For in
Heart symmetrical structure, and the length of 10mm, and its groove width is 1mm.
5. speciality expansion anchor is used in a kind of fixation according to claim 1, it is characterised in that：The limiting card（7）It is overall
Structure is loop configuration, and its outboard structure is boss-shaped structure, and the boss-shaped structure end face distance at left and right sides of it than
Expansion loop（5）Maximum outside diameter is small.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721033316.6U CN207229545U (en) | 2017-08-17 | 2017-08-17 | Speciality expansion anchor is used in one kind fixation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721033316.6U CN207229545U (en) | 2017-08-17 | 2017-08-17 | Speciality expansion anchor is used in one kind fixation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207229545U true CN207229545U (en) | 2018-04-13 |
Family
ID=61857386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721033316.6U Expired - Fee Related CN207229545U (en) | 2017-08-17 | 2017-08-17 | Speciality expansion anchor is used in one kind fixation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207229545U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219864A (en) * | 2019-06-06 | 2019-09-10 | 法施达科技有限公司 | A kind of expansion anchor that anti-tube expansion falls off |
-
2017
- 2017-08-17 CN CN201721033316.6U patent/CN207229545U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219864A (en) * | 2019-06-06 | 2019-09-10 | 法施达科技有限公司 | A kind of expansion anchor that anti-tube expansion falls off |
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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: 20180413 Termination date: 20190817 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |