CN206144931U - Multistage of falling sour jujube expansion bolts - Google Patents
Multistage of falling sour jujube expansion bolts Download PDFInfo
- Publication number
- CN206144931U CN206144931U CN201621155264.5U CN201621155264U CN206144931U CN 206144931 U CN206144931 U CN 206144931U CN 201621155264 U CN201621155264 U CN 201621155264U CN 206144931 U CN206144931 U CN 206144931U
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- CN
- China
- Prior art keywords
- barb
- rear end
- take along
- stud
- expansible
- 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.)
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Abstract
The utility model discloses a multistage of falling sour jujube expansion bolts, including double -screw bolt, cone, expansion pipe, take along venturi tube and packing ring, fastening nut, characterized by: the front end of double -screw bolt is equipped with the cone, the expansion pipe, take along venturi tube, packing ring and fastening nut by preceding backward in proper order the suit on the double -screw bolt, the expansion pipe both ends all are equipped with 3 expansibles and hack, and the rear end expansible hacks and slightly opens, the front end of taking along the venturi tube is for conical, it is equipped with the gasket to take along the venturi tube rear end, take along the conical part embedding of front end of venturi tube during the rear end expansible of expansion pipe hacks. Expansion pipe both ends expansible hacks all outwards distending during the use, and forms and fall calthrop, has increased this expansion bolts friction bond stress at double, and load takes place the risk greatly reduced that drops, the utility model discloses simple structure, low cost, convenient to use easily promotes.
Description
Technical field
This utility model is related to technical field of fastening, specifically a kind of barb multistage expansion bolt.
Background technology
Expansion bolt be pipeline prop up/is hung/bracket or equipment fix on the wall, it is used a kind of special on floor, on post
Threaded connector；Expansion bolt is made up of dormant bolt, tube expansion, plain washer, spring pad and clamp nut；Expansion bolt is in building
Furnishing fields are of many uses.
Expansion bolt is to promote expansion to produce friction bond stress using shape gradient is taken along, and reaches fixed effect.One, bolt
It is screw thread, one has vertebra degree.The sheetmetal of outer bread one or iron sheet cylinder half have some otch, they are filled in together on wall and is accomplished fluently
Hole in, then split nut, nut pulls outward screw, and vertebra degree drawn in into sheetmetal cylinder, sheetmetal cylinder by spreading, then tightly
Fix on the wall, be generally used for the fastening on the materials such as cement, brick such as guard rail, rain cover, air-conditioning.But its fixation not ten
Divide reliable, if load has significant shock, it may occur however that release.
Expand because current expansion bolt only has at one, and in outer little inner big taper, the friction that single-point expansion is produced is held
Wrap up in power to tend not to meet actual demand, add the load vibrations being likely to occur, fixing situation is more in foamed brick, red machine brick
Difference, because of the limited easy loosening of swelling degree, fastening effect is had a greatly reduced quality, and the risk that load falls off is greatly increased.
Utility model content
The purpose of this utility model is to provide a kind of barb multistage expansion bolt, and that what is mentioned in solution background technology asks
Topic.
To achieve these goals, this utility model is employed the following technical solutions：
A kind of barb multistage expansion bolt, including stud, conical head, expansion tube, take along shape pipe and packing ring, clamp nut；Its
It is characterized in that：The front end of the stud is provided with conical head and integrally manufactures with the stud, expansion tube, takes along shape pipe, packing ring and fastening
Nut is sleeved on successively from the front to the back on the stud；The expansion tube two ends are all provided with 3 road longitudinal cuts and respectively form 3 expansibles
Hacking 9；The front end for taking along shape pipe is cone, and near fore-end barb is provided with, and rear end inwall is provided with the interior of 10mm length
Screw thread and match with the external screw thread of the stud, the rear end for taking along shape pipe is provided with pad, described to take along shape pipe and pad one
Manufacture.
The further technical scheme of this utility model, the front end of the stud is provided with conical head, the external diameter of the conical head
It is bigger by 1/3rd than the stud diameter.
There are 3 expansible hackings and evenly distributed, length in the further technical scheme of this utility model, the front end of the expansion tube
10mm；There are 3 expansible hackings and evenly distributed, a long 10mm in rear end, rear end expansible hacking slightly distending, rear and front end expansible hacking
Dislocation is staggered；The front end conical portion for taking along shape pipe is embedded in the rear end expansible hacking of the expansion tube.
The further technical scheme of this utility model, the casing thickness of the front end otch of the expansion tube is than rear end otch
Casing thickness is thin by 1/5th.
The further technical scheme of this utility model, in cone, length is 3mm-5mm for the front end for taking along shape pipe, cone
Spend for 1：10；Rear end circular gasket diameter is consistent with the clamp nut, the rough surface for taking along shape pipe, described to take along on shape pipe
Barb be at least 2 and symmetric arrays.
The further technical scheme of this utility model, the expansion tube and the total length for taking along shape pipe and the stud
Match somebody with somebody.
The further technical scheme of this utility model, the conical head is in Rotary-table, and taper is 1：15.
The preferred technical scheme of this utility model, the manufacture material of the barb multistage expansion bolt can use：（1）Austenite,
（2）Martensite,（3）Ferrite.
It is using the beneficial effect of above technical scheme：Due to holding the friction that the expansion bolt is produced using multistage expansion
Wrap up in power to be multiplied, barb thorn design is even more and further increases friction bond stress；The risk that load falls off is substantially reduced；
This utility model simple structure, it is with low cost, it is easy to use, it is easy to promote.
Description of the drawings
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is structural representation of the present utility model；
Wherein, 1- studs, 2- conical heads, 3- expansion tubes, 4- take along shape pipe, 5- packing rings, 6- clamp nuts, 7- barbs, 8- pads
Piece, 9- expansible hackings.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
As shown in figure 1, a kind of barb multistage expansion bolt, including stud 1, conical head 2, expansion tube 3, take along shape pipe 4 and pad
Circle 5, clamp nut 6；It is characterized in that：The front end of the stud 1 is provided with conical head 2 and manufactures with the entirety of the stud 1, expansion tube
3rd, take along shape pipe 4, packing ring 5 and clamp nut 6 to be sleeved on successively from the front to the back on the stud 1；The two ends of the expansion tube 3 are all provided with
3 road longitudinal cuts respectively form 3 expansible hackings 9；The front end for taking along shape pipe 4 is cone, and near fore-end barb is provided with
7, rear end inwall is provided with the female thread of 10mm length and matches with the external screw thread of the stud 1, and the rear end for taking along shape pipe 4 sets
There is a pad 8, it is described to take along shape pipe 4 and pad 8 is integrally manufactured.
The further technical scheme of this utility model, the front end of the stud 1 is provided with conical head 2, outside the conical head 2
Footpath is bigger by 1/3rd than the diameter of the stud 1.
There are 3 expansible hackings 9 and evenly distributed the further technical scheme of this utility model, the front end of the expansion tube,
Long 10mm；There are 3 expansible hackings 9 and evenly distributed, a long 10mm in rear end, the slightly distending of rear end expansible hacking 9, rear end expansible hacking
9 are staggered with the dislocation of front end expansible hacking 9；The front end conical portion for taking along shape pipe 4 is embedded in the rear end of the expansion tube 3
In expansible hacking 9.
The further technical scheme of this utility model, the casing thickness of the front end otch of the expansion tube 3 is than rear end otch
Casing thickness it is thin by 1/5th, screw stud 1 when using, the first distending of front end expansible hacking 9 then proceedes to screw stud 1, after
Hold the distending of expansible hacking 9.
The further technical scheme of this utility model, in cone, length is 3mm-5mm for the front end for taking along shape pipe 4, cone
Spend for 1：10；The diameter of rear end circular gasket 8 is consistent with the clamp nut 6, the rough surface for taking along shape pipe 4, described to take along shape
Barb 7 on pipe 4 is at least 2 and symmetric arrays, and the design of barb 7 can further increase friction bond stress.
The further technical scheme of this utility model, the expansion tube 3 and the total length for taking along shape pipe 4 and the stud
1 matching.
The further technical scheme of this utility model, the conical head 2 is in Rotary-table, and taper is 1：15.
The preferred technical scheme of this utility model, the manufacture material of the barb multistage expansion bolt can use：（1）Austenite,
（2）Martensite,（3）Ferrite.
During installation, the alloy bit for selecting and the barb multistage expansion bolt external diameter specification to match, referring next to this
The length drilling of barb multistage expansion bolt, hole depth is drilled into you and installs required, then will clean out in hole.Then this is fallen
Under spine multistage expansion bolt in hole, clamp nut should not be twisted off, prevent hole drill it is deep when bolt fall in hole and not
Good past treatment with external measures.Then clamp nut is tightened expansion bolt in feeling after 2-3 buttons and backs out fastening spiral shell again after relatively not loosening
It is female.During clamp nut is tightened, the front end otch of expansion tube opens first, and rear end otch also and then can open to form barb
Thorn, so that the expansion bolt is tightly fastened in cavity and does not loosen.
It is using the beneficial effect of above technical scheme：Due to holding the friction that the expansion bolt is produced using multistage expansion
Wrap up in power to be multiplied, barb thorn design is even more and further increases friction bond stress；The risk that load falls off is substantially reduced.
To those skilled in the art, although this utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can in other specific forms realize that this practicality is new
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type is by claims rather than described above is limited, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in this utility model, any reference in claim should not be considered as into restriction
Involved claim.
The above, preferred embodiment only of the present utility model is every according to this not to limit this utility model
Any trickle amendment, equivalent and improvement that the technical spirit of utility model is made to above example, should be included in this
Within the protection domain of utility model technical scheme.
Claims (7)
1. a kind of barb multistage expansion bolt, including stud（1）, conical head（2）, expansion tube（3）, take along shape pipe（4）And packing ring
（5）, clamp nut（6）；It is characterized in that：
The stud（1）Front end be provided with conical head（2）And with the stud（1）Overall manufacture, expansion tube（3）, take along shape pipe
（4）, packing ring（5）And clamp nut（6）It is sleeved on the stud successively from the front to the back（1）On；
The expansion tube（3）Two ends are all provided with 3 road longitudinal cuts and respectively form 3 expansible hackings（9）；
It is described to take along shape pipe（4）Front end be cone, be provided with barb near fore-end（7）, rear end inwall is provided with 10mm length
Female thread and with the stud（1）External screw thread match, it is described to take along shape pipe（4）Rear end be provided with pad（8）, it is described to take along shape
Pipe（4）And pad（8）It is integrally manufactured.
2. barb multistage expansion bolt according to claim 1, it is characterised in that：The stud（1）Front end be provided with cone
Forming head（2）, the conical head（2）External diameter than the stud（1）Diameter is big by 1/3rd.
3. barb multistage expansion bolt according to claim 1, it is characterised in that：The front end of the expansion tube have 3 can
Distending piece（9）And evenly distributed, long 10mm；There are 3 expansible hackings rear end（9）And evenly distributed, long 10mm, rear end expansible hacking
（9）Slightly distending, rear and front end expansible hacking（9）Dislocation is staggered；It is described to take along shape pipe（4）Front end conical portion be embedded in
The expansion tube（3）Rear end expansible hacking（9）In.
4. barb multistage expansion bolt according to claim 1, it is characterised in that：The expansion tube（3）Front end otch
Casing thickness it is thinner than the casing thickness of rear end otch by 1/5th.
5. barb multistage expansion bolt according to claim 1, it is characterised in that：It is described to take along shape pipe（4）Front end in circle
Taper, length is 3mm-5mm, and taper is 1：10；Rear end circular gasket（8）Diameter and the clamp nut（6）Unanimously, it is described to take along
Shape pipe（4）Rough surface, it is described to take along shape pipe（4）On barb（7）At least 2 and symmetric arrays.
6. barb multistage expansion bolt according to claim 1, it is characterised in that：The expansion tube（3）Shape is taken along with described
Pipe（4）Total length and the stud（1）Matching.
7. barb multistage expansion bolt according to claim 1, it is characterised in that：The conical head（2）In Rotary-table, cone
Spend for 1：15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621155264.5U CN206144931U (en) | 2016-10-22 | 2016-10-22 | Multistage of falling sour jujube expansion bolts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621155264.5U CN206144931U (en) | 2016-10-22 | 2016-10-22 | Multistage of falling sour jujube expansion bolts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206144931U true CN206144931U (en) | 2017-05-03 |
Family
ID=58622157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621155264.5U Expired - Fee Related CN206144931U (en) | 2016-10-22 | 2016-10-22 | Multistage of falling sour jujube expansion bolts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206144931U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108119482A (en) * | 2017-12-15 | 2018-06-05 | 晋江市青阳明扬汽配制造有限公司 | A kind of secured tire bolt |
-
2016
- 2016-10-22 CN CN201621155264.5U patent/CN206144931U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108119482A (en) * | 2017-12-15 | 2018-06-05 | 晋江市青阳明扬汽配制造有限公司 | A kind of secured tire bolt |
| CN108119482B (en) * | 2017-12-15 | 2019-08-20 | 晋江市青阳明扬汽配制造有限公司 | A kind of secured tire bolt |
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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: 20170503 Termination date: 20171022 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |