CN206972689U - A kind of modified form setscrew - Google Patents
A kind of modified form setscrew Download PDFInfo
- Publication number
- CN206972689U CN206972689U CN201720814426.XU CN201720814426U CN206972689U CN 206972689 U CN206972689 U CN 206972689U CN 201720814426 U CN201720814426 U CN 201720814426U CN 206972689 U CN206972689 U CN 206972689U
- Authority
- CN
- China
- Prior art keywords
- expander
- setscrew
- groove
- modified form
- supporter
- 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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- Clamps And Clips (AREA)
Abstract
The utility model discloses a kind of modified form setscrew,Including expansion sleeve,Expansion bolt,Expander,Clamp nut,Some supporters,Some bulges,Location division,Fixing nut,Some grooves and some slides,The expansion bolt is by cylindrical portion,The tapered portion for being shaped in the rear end of cylindrical portion and the screw body for the rear end for being shaped in tapered portion are formed,The free end of the screw body is provided with location division,Expansion sleeve is arranged with successively from front to back in the screw body,Expander,The fixing nut of threaded connection and the clamp nut of threaded connection,The rear and front end of the expansion sleeve is equipped with equally distributed bulge,Supporter is arranged with the free end of the bulge,The medial surface of the supporter is equipped with slide,Compared with prior art,Can be easy for installation,Improve fixed reliability,The scope for adapting to installation aperture has bigger raising.
Description
【Technical field】
A kind of technical field of setscrew is the utility model is related to, particularly a kind of bigger raising adapts to mounting hole
The technical field of the modified form setscrew of diameter range.
【Background technology】
Expansion bolt is to be used to object being fixed on wall or plate body, its principle be promoted using wedge-shaped gradient it is swollen
It is swollen, reach fixed effect.Existing expansion bolt, it is made up of bolt, nut, expansion sleeve, bolt has cone-shaped end, expansion
Set one end is provided with narrow slit notch, bores mounting hole on wall or plate body first during use, then throws expansion tube and screw rod into peace
Fill in hole, equipment mounting hole then is enclosed on to the head threads end of bar, finally screws on nut in the rod head end of thread, makes to set
Standby to be fixed on wall, during nut is tightened, screw rod walks toward outside and expansion tube is motionless, the round table-like expansion of screw rod tail
Pipe distending, make the whole hole of its turgor, reach fixed with this；Guard rail, canopy, air-conditioning etc. are generally used in materials such as cement, bricks
Fastening on material.
Of the prior art, requirement of the expansion bolt to mounting hole is generally straight under slightly smaller than expansion sleeve nature
Footpath, need by beaing during installation, and the hole wall contact surface of the acting surface of expansion sleeve and mounting hole is small, so as to install not side
Just, it is small to adapt to the scope in installation aperture, fixed poor reliability.
【Utility model content】
The purpose of this utility model is exactly to solve the problems of the prior art, proposes a kind of modified form setscrew, can
It is easy for installation, fixed reliability is improved, the scope for adapting to installation aperture has bigger raising.
To achieve the above object, the utility model proposes a kind of modified form setscrew, including expansion sleeve, expanding screw
Bolt, expander, clamp nut, some supporters, some bulges, location division, fixing nut, some grooves and some slides,
The expansion bolt is by cylindrical portion, the tapered portion of the rear end for being shaped in cylindrical portion and the rear end for being shaped in tapered portion
Screw body is formed, and the free end of the screw body is provided with location division, be arranged with successively from front to back in the screw body expansion sleeve,
The clamp nut of expander, the fixing nut of threaded connection and threaded connection, the rear and front end of the expansion sleeve is equipped with uniformly
The bulge of distribution, supporter is arranged with the free end of the bulge, the medial surface of the supporter is equipped with slide,
The lower end of the slide is inclined plane, and the groove being engaged with slide, institute are equipped with the conical surface of the tapered portion and expander
The lower end of slide to be stated to be bonded with the bottom of groove, the groove in the tapered portion extends up to forward the side face through cylindrical portion,
Groove on the conical surface of the expander extends back until through the face of cylinder of expander.
Preferably, the front end of the fixing nut is provided with the ring bodies contradicted on the rear end of expander, the ring-type
The front end of body is cambered surface.
Preferably, the lateral surface of the supporter is the plane of circular arc, uniformly divide on the lateral surface of the supporter
It is furnished with scalelike mark.
Preferably, the supporter, which is provided with, is available for the arc groove that the free end of bulge is inserted.
Preferably, the medial surface of the free end of the bulge is inclined-plane, the inclined-plane it is high-end by recessed with arc
The cambered surface and the lateral surface of the free end of bulge that the top of groove is engaged connect.
Preferably, the side face of the screw body be provided with can accommodate slide and with the groove on the conical surface of expander one by one
Corresponding holding tank, the groove on the conical surface of the expander connect with holding tank.
Preferably, the cross section of the location division is square shape, cornerwise length of the location division is little
In the diameter of screw body.
The beneficial effects of the utility model：The utility model is clipped on location division by spanner and expansion bolt is fixed
Prevent from rotating, be then rotated further by fixing nut and promote expander to travel forward, support is made by the conical surface of tapered portion and expander
Body opens, until supporter is pressed abd fixed on the hole wall of mounting hole, in tapered portion and the outside diameter of the conical surface of expander
In the case of certain, cooperations of groove and slide considerably increases the lifting height of supporter, the use of supporter add and
The contact area of the hole wall of mounting hole, compared with prior art, can be easy for installation, improves fixed reliability, adapts to mounting hole
The scope in footpath has bigger raising.
Feature and advantage of the present utility model will be described in detail by embodiment combination accompanying drawing.
【Brief description of the drawings】
Fig. 1 is a kind of structural representation of modified form setscrew of the utility model；
Fig. 2 is the distribution map of scalelike mark.
In figure：1- expansion sleeves, 2- expansion bolts, 3- expanders, 4- clamp nuts, 5- supporters, 6- bulges, 7- arcs
Groove, 8- scalelike marks, 9- inclined-planes, 10- cambered surfaces, 11- location divisions, 12- fixing nuts, 13- grooves, 14- slides, 15- ring bodies,
16- holding tanks, 21- cylindrical portions, 22- tapered portion, 23- screw bodies.
【Embodiment】
Refering to Fig. 1,2, a kind of modified form setscrew of the utility model, including expansion sleeve 1, expansion bolt 2, expander 3,
Clamp nut 4, some supporters 5, some bulges 6, location division 11, fixing nut 12, some grooves 13 and some slides 14,
The expansion bolt 2 is by cylindrical portion 21, the tapered portion 22 for the rear end for being shaped in cylindrical portion 21 and is shaped in tapered portion
The screw body 23 of 22 rear end is formed, and the free end of the screw body 23 is provided with location division 11, in the screw body 23 by preceding to
It is arranged with expansion sleeve 1, expander 3, the fixing nut 12 of threaded connection and the clamp nut 4 of threaded connection successively afterwards, it is described swollen
The rear and front end of expansion set 1 is equipped with equally distributed bulge 6, and supporter 5 is arranged with the free end of the bulge 6,
The medial surface of the supporter 5 is equipped with slide 14, and the lower end of the slide 14 is inclined plane, the tapered portion 22 and expander
The groove 13 being engaged with slide 14 is equipped with 3 conical surface, the lower end of the slide 14 is bonded with the bottom of groove 13, described
Groove 13 in tapered portion 22 extends up to forward the side face through cylindrical portion 21, the groove 13 on the conical surface of the expander 3
Extend back and contradicted until being provided with through the front end on the face of cylinder of expander 3, the fixing nut 12 on the rear end of expander 3
Ring bodies 15, the front end of the ring bodies 15 is cambered surface, and the lateral surface of the supporter 5 is the plane of circular arc, the branch
Scalelike mark 8 is evenly distributed with the lateral surface of support body 5, the supporter 5 is provided with and is available for the arc that the free end of bulge 6 is inserted
Connected in star 7, the medial surface of the free end of the bulge 6 are inclined-plane 9, the high-end top by with arc groove 7 on the inclined-plane 9
The cambered surface 10 being engaged is held to be connected with the lateral surface of the free end of bulge 6, the side face of the screw body 23 is provided with and can accommodated
Slide 14 and with the one-to-one holding tank 16 of groove 13 on the conical surface of expander 3, the groove on the conical surface of the expander 3
13 connect with holding tank 16, and the cross section of the location division 11 is square shape, cornerwise length of the location division 11
No more than the diameter of screw body 23.
Utility model works process：
A kind of modified form setscrew of the utility model in the course of the work, is clipped on location division 11 to expansion by spanner
Bolt 2, which is fixed, to be prevented from rotating, and is then rotated further by fixing nut 12 and is promoted expander 3 to travel forward, passes through the He of tapered portion 22
The conical surface of expander 3 opens supporter 5, until supporter 5 is pressed abd fixed on the hole wall of mounting hole, in the He of tapered portion 22
In the case that the outside diameter of the conical surface of expander 3 is certain, the cooperation of groove 13 and slide 14 considerably increases the upper of supporter 5
Rise, the use of supporter add the contact area with the hole wall of mounting hole, compared with prior art, being capable of the side of installation
Just, fixed reliability is improved, the scope for adapting to installation aperture has bigger raising.
Above-described embodiment be to explanation of the present utility model, be not to restriction of the present utility model, it is any new to this practicality
Scheme after type simple transformation belongs to the scope of protection of the utility model.
Claims (7)
- A kind of 1. modified form setscrew, it is characterised in that：Including expansion sleeve (1), expansion bolt (2), expander (3), fastening Nut (4), some supporters (5), some bulges (6), location division (11), fixing nut (12), some grooves (13) and if Dry slide (14), the expansion bolt (2) is by cylindrical portion (21), the tapered portion (22) for the rear end for being shaped in cylindrical portion (21) Formed with the screw body (23) for the rear end for being shaped in tapered portion (22), the free end of the screw body (23) is provided with location division (11) expansion sleeve (1), expander (3), the fixing nut of threaded connection, are arranged with the screw body (23) successively from front to back (12) and threaded connection clamp nut (4), the rear and front end of the expansion sleeve (1) is equipped with equally distributed bulge (6), Supporter (5) is arranged with the free end of the bulge (6), the medial surface of the supporter (5) is equipped with slide (14), The lower end of the slide (14) is inclined plane, is equipped with the conical surface of the tapered portion (22) and expander (3) and slide (14) The groove (13) being engaged, the lower end of the slide (14) are bonded with the bottom of groove (13), recessed on the tapered portion (22) Groove (13) extends up to forward the side face through cylindrical portion (21), and the groove (13) on the conical surface of the expander (3) prolongs backward Stretch through the face of cylinder of expander (3).
- A kind of 2. modified form setscrew as claimed in claim 1, it is characterised in that：The front end of the fixing nut (12) is set There is the ring bodies (15) contradicted on the rear end of expander (3), the front end of the ring bodies (15) is cambered surface.
- A kind of 3. modified form setscrew as claimed in claim 1, it is characterised in that：The lateral surface of the supporter (5) is The plane of circular arc, scalelike mark (8) is evenly distributed with the lateral surface of the supporter (5).
- A kind of 4. modified form setscrew as claimed in claim 1, it is characterised in that：The supporter (5) is provided with and is available for The arc groove (7) of the free end insertion of bulge (6).
- A kind of 5. modified form setscrew as claimed in claim 1, it is characterised in that：The free end of the bulge (6) Medial surface is inclined-plane (9), the inclined-plane (9) it is high-end by the cambered surface (10) that is engaged with the top of arc groove (7) with it is swollen The lateral surface connection of the free end of swollen portion (6).
- A kind of 6. modified form setscrew as claimed in claim 1, it is characterised in that：Set on the side face of the screw body (23) Have can accommodate slide (14) and with the one-to-one holding tank (16) of groove (13) on the conical surface of expander (3), the expansion Groove (13) on the conical surface of body (3) connects with holding tank (16).
- A kind of 7. modified form setscrew as any one of claim 1 to 6, it is characterised in that：The location division (11) cross section is square shape, and cornerwise length of the location division (11) is not more than the diameter of screw body (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720814426.XU CN206972689U (en) | 2017-07-06 | 2017-07-06 | A kind of modified form setscrew |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720814426.XU CN206972689U (en) | 2017-07-06 | 2017-07-06 | A kind of modified form setscrew |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206972689U true CN206972689U (en) | 2018-02-06 |
Family
ID=61406315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720814426.XU Expired - Fee Related CN206972689U (en) | 2017-07-06 | 2017-07-06 | A kind of modified form setscrew |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206972689U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107355458A (en) * | 2017-07-06 | 2017-11-17 | 海盐县通顺标准件厂 | A kind of modified form setscrew |
-
2017
- 2017-07-06 CN CN201720814426.XU patent/CN206972689U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107355458A (en) * | 2017-07-06 | 2017-11-17 | 海盐县通顺标准件厂 | A kind of modified form setscrew |
| CN107355458B (en) * | 2017-07-06 | 2022-11-25 | 海盐县通顺标准件厂 | Improved expansion screw |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180206 Termination date: 20190706 |