CN207554498U - Setscrew sub-assembly - Google Patents
Setscrew sub-assembly Download PDFInfo
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- CN207554498U CN207554498U CN201721158798.8U CN201721158798U CN207554498U CN 207554498 U CN207554498 U CN 207554498U CN 201721158798 U CN201721158798 U CN 201721158798U CN 207554498 U CN207554498 U CN 207554498U
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- setscrew
- barb
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- fluting
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- 230000000694 effects Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 244000061408 Eugenia caryophyllata Species 0.000 description 1
- 235000016639 Syzygium aromaticum Nutrition 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a kind of setscrew sub-assembly and includes screw, expansion tube and barb, screw one end side-walls are equipped with screw thread, the other end is vertically arranged with the fluting of open on three sides, screw is arranged in expansion tube, and expansion tube is set between screw thread and fluting, and barb is set in fluting, and it is articulated in the madial wall of fluting, wherein, barb includes the first movable end, and the first movable end protrudes from the side opening of fluting.The utility model is by increasing the barb equipped with slotting and with movable end so that the anti-skidding oblique angle of barb and anti-skid structure are embedded in hole wall to setscrew sub-assembly when in use, make it have extremely strong axial tensile capacity, effectively prevent setscrew loose or dislocation；It also, can be by back-outing nut when needing dismounting so that the movable end of barb is easily removed setscrew sub-assembly, reused with generating gap between the walls.
Description
Technical field
The utility model is related to handware technical fields, and in particular to a kind of setscrew sub-assembly.
Background technology
It is a kind of novel fastener to setscrew, needed for drilling it is small, wall surface levelling can be kept beautiful, installation side
Just it is quick.It is typically employed in high-end building field and interior decoration, air-conditioning, lamp decoration, advertisement plate, television wall-hanging, bathroom water power
The fields of grade, but used wall must be the robust constructions wall such as mixed mud or brick.
Existing setscrew, which generally comprises one, certain taper, the threaded screw in other end, expansion tube, spiral shell
Female, ring washer and spring washer.Setscrew there is into the Kong Zhonghou on an insertion wall of certain taper, tightens expanding screw
Nut on silk when feeling setscrew tightlier without loosening, backs out nut, ring washer and spring washer.Load onto band
There are object, spring washer, ring washer and the nut of mounting hole, then the nut on setscrew that screws up with a wrench so that screw
Moved toward outside hole, and the expansion tube in hole does not move, then, the cut ends of expansion tube screw have one of certain taper and
Protrusion is expanded along taper under the action of gasket, it is made to be in contact with hole wall, shape gradient is taken along using what expansion generated and promotees
Setscrew is made to generate friction bond stress with wall, so as to which setscrew be enable to fix.
However, the shape gradient of taking along that setscrew in the prior art is only generated by expansion tube swelling contacts work with hole wall
Fixed point, the surface for taking along shape gradient is smooth, and the frictional force between hole wall is small, although its resisting longitudinal pulling force ability is strong, when by
During to continuous vibration or by larger axial tension, the easy loose or dislocation of setscrew, therefore be not suitable for installation fixation and hang
The vertical fixed device such as fan；In addition, since expansion tube deforms upon, setscrew is caused to be difficult to take out after use, it is impossible to
Recycling carries out secondary use.
Utility model content
The main purpose of the utility model can bear axial direction to provide a kind of setscrew sub-assembly to solve setscrew
Pulling force is small, and the technical issues of easily come off.
The utility model provides a kind of setscrew sub-assembly, including screw, expansion tube and barb, above-mentioned screw one end
Screw thread is equipped at wall, the other end is vertically arranged with the fluting of open on three sides, and above-mentioned screw is arranged in above-mentioned expansion tube, and above-mentioned
Expansion tube is set between above-mentioned screw thread and above-mentioned fluting, and above-mentioned barb is set in above-mentioned fluting, and is articulated in the interior of above-mentioned fluting
Side wall, wherein, above-mentioned barb includes the first movable end, and above-mentioned first movable end protrudes from the side opening of above-mentioned fluting.
Further, above-mentioned setscrew sub-assembly further includes operating block, the vertical fixed and above-mentioned screw of aforesaid operations block
Has threaded one end, and the cross-sectional area of aforesaid operations block is smaller than the cross-sectional area of above-mentioned screw.
Further, above-mentioned setscrew sub-assembly, further includes nut, and above-mentioned nut is sheathed on above-mentioned screw equipped with screw thread
One end.
Further, in above-mentioned setscrew sub-assembly, ring washer is arranged between above-mentioned nut and expansion tube.
Further, in above-mentioned setscrew sub-assembly, ring spring is arranged between above-mentioned ring washer and nut
Washer.
Further, above-mentioned setscrew sub-assembly, further includes articulated part, and above-mentioned fluting passes through articulated part and above-mentioned barb
Pivot joint.
Further, in above-mentioned setscrew sub-assembly, above-mentioned barb further includes the second movable end, above-mentioned first activity
End is equipped with anti-skidding oblique angle, and the side wall of above-mentioned second movable end is equipped with anti-skid structure.
Further, in above-mentioned setscrew sub-assembly, above-mentioned barb includes two, and is articulated in above-mentioned fluting relatively
Madial wall, and the anti-skidding oblique angle of two above-mentioned barbs is in the different side openings of above-mentioned fluting, the anti-Slipped Clove Hitch of two above-mentioned barbs
Structure is in the different side openings of above-mentioned fluting.
Further, in above-mentioned setscrew sub-assembly, the second movable end of above-mentioned barb protrudes from above-mentioned fluting
Open on three sides.
Further, in above-mentioned setscrew sub-assembly, above-mentioned expansion tube is equipped with ramp down angle close to one end of barb, on
The slope for stating ramp down angle is equal with the slope at the anti-skidding oblique angle of above-mentioned movable end, and above-mentioned ramp down angle and above-mentioned anti-skidding oblique angle are mutual
Cooperation.
The setscrew sub-assembly of the utility model, by increasing the barb equipped with slotting and with movable end so that swollen
Swollen screw combination the part anti-skidding oblique angle of barb and anti-skid structure insertion hole wall, and then improve movable end and the hole of barb when in use
Frictional force and interaction force between wall make it have extremely strong axial tensile capacity, effectively prevent setscrew loose or dislocation；
It also, can be by back-outing nut when needing dismounting so that the movable end of barb is easily removed with generating gap between the walls
Setscrew sub-assembly, reuses.
Description of the drawings
Fig. 1 is the side structure schematic diagram of one embodiment setscrew sub-assembly of the utility model；
Fig. 2 is the side structure schematic diagram of barb in one embodiment setscrew sub-assembly of the utility model.
1st, screw；2nd, nut；3rd, expansion tube；4th, ring washer；5th, ring spring washer；6th, barb；7th, articulated part；11、
Screw thread；12nd, it slots；13rd, operating block；61st, a barbs；62nd, b barbs.
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific 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
It clearly and completely describes, it is clear that described embodiment is only the part of the embodiment rather than whole of the utility model
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower all other embodiments obtained, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining relative position relation, motion conditions under a certain particular pose (as shown in drawings) between each component etc., such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly, and the connection can directly be connected
It connects or is indirectly connected with.
In addition, the description in " first ", " second " etc. involved in the utility model is only used for description purpose, without being understood that
To indicate or implying its relative importance or the implicit quantity for indicating indicated technical characteristic.Define as a result, " first ",
At least one this feature can be expressed or be implicitly included to the feature of " second ".In addition, the technical side between each embodiment
Case can be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when the combination of technical solution
Conflicting or can not realize when occur will be understood that the combination of this technical solution is not present, also not in the requires of the utility model
Protection domain within.
With reference to Fig. 1-2, in one embodiment of the utility model, a kind of setscrew sub-assembly is proposed, including screw 1, swollen
Tube expansion 3 and barb 6, wherein 1 one end side-walls of above-mentioned screw are equipped with screw thread 11, and the other end is vertically arranged with opening for open on three sides
Slot 12, above-mentioned screw 1 are arranged in above-mentioned expansion tube 3, and above-mentioned expansion tube 3 be set on above-mentioned screw thread 11 and above-mentioned fluting 12 it
Between, above-mentioned screw 1 can be freely rotated in above-mentioned expansion tube 3, and above-mentioned expansion tube 3 has smooth outer surface, reduce above-mentioned
Frictional force during setscrew sub-assembly access aperture between hole wall, above-mentioned barb 6 is set in above-mentioned fluting 6, and is articulated in
State the madial wall of fluting 6 so that above-mentioned barb 6 has movable end so that above-mentioned swollen when using above-mentioned setscrew sub-assembly
Stress point is generated between swollen screw combination part and hole wall, so as to be fixed on hole wall, wherein, above-mentioned barb 6 includes the first activity
End, the first movable end of above-mentioned barb 6 protrude from the side opening of above-mentioned fluting 12, make the first movable end of above-mentioned barb 6 make
Used time struts outward.
In one embodiment of the utility model, above-mentioned screw thread 11 is equipped with nut 2, and above-mentioned nut 2 is generally used for fixed above-mentioned
Screw 1, and the front end of above-mentioned screw thread 11 is installed with operating block 13 vertically, generally, the cross-sectional area of aforesaid operations block 13 can be than upper
The cross-sectional area for stating screw thread 11 is small or equal with the cross-sectional area of above-mentioned screw thread 11, is selected in the present embodiment than above-mentioned screw thread 11
The small aforesaid operations block 13 of cross-sectional area, be easy to tighten or exert a force when unscrewing above-mentioned nut 2.
In one embodiment of the utility model, ring washer 4 is arranged between above-mentioned nut 2 and above-mentioned expansion tube 3 so that
When tightening above-mentioned nut 2, pressure can be uniformly distributed on connected device, protect by the surface of immobilising device.
In one embodiment of the utility model, ring spring pad is arranged between above-mentioned ring washer 4 and above-mentioned nut 2
Circle 5 is pierced into above-mentioned nut 2 and above-mentioned ring washer 4 using the sharp angles of above-mentioned 5 mismatch of ring spring washer, prevented
State setscrew sub-assembly using when the loosening of above-mentioned nut 2 fixed device is caused to come off.
In one embodiment of the utility model, further include articulated part, above-mentioned fluting 12 by above-mentioned articulated part 7 with it is above-mentioned fall
Hook 6 is pivotally connected, and the cylinder that above-mentioned articulated part 7 is smooth for surface.
In one embodiment of the utility model, above-mentioned barb 6 further includes the second movable end, the first activity of above-mentioned barb 6
End is equipped with anti-skidding oblique angle, and the side wall of the second movable end of above-mentioned barb 6 is equipped with anti-skid structure, is conducive to the activity of above-mentioned barb 6
The embedded hole wall in end, fixed above-mentioned setscrew sub-assembly.
In one embodiment of the utility model, above-mentioned barb 6 includes a barbs 61 and b barbs 62, and is articulated in relatively above-mentioned
The madial wall of fluting 12, and the width phase of the sum of thickness of above-mentioned a barbs 61 and above-mentioned b barbs 62 and above-mentioned 12 side channel mouth of fluting
Together, prevent the articulated section of above-mentioned a barbs 61 and above-mentioned b barbs 62 from being slided on above-mentioned articulated part 7, in addition, above-mentioned a barbs 61
With the anti-skidding oblique angles of b barbs 62 in the different side openings of above-mentioned fluting 12, the anti-skid structure of above-mentioned a barbs 61 and b barbs 62 exists
The different side openings of above-mentioned fluting make the active force that above-mentioned a barbs 61 and b barbs 62 apply hole wall evenly, are not easy to slide.
In one embodiment of the utility model, three faces that the second movable end of above-mentioned barb 6 protrudes from above-mentioned fluting 12 are opened
Mouthful, it struts, is fixed on hole wall outward when mounted conducive to it.
In one embodiment of the utility model, above-mentioned expansion tube 3 is close to the port of above-mentioned 2 side of nut perpendicular to above-mentioned spiral shell
The surface of nail 1, conducive to above-mentioned 3 uniform force of expansion tube, and prevents from damaging by the surface of immobilising device；Above-mentioned expansion tube 3 is close
The port of above-mentioned 6 side of barb is equipped with ramp down angle, and the first activity of the slope at 3 ramp down angle of above-mentioned expansion tube and above-mentioned barb 6
The slope for holding anti-skidding oblique angle is equal, conducive to above-mentioned barb 6 the first movable end when in use along the ramp down angle of above-mentioned expansion tube 3
It struts outward.
When installing the utility model setscrew sub-assembly, first the wall for needing to install setscrew sub-assembly additional is beaten
Hole, the depth in hole is less than the total length of above-mentioned screw 1, but has to be larger than above-mentioned barb to the total length of above-mentioned ring washer 4；So
Above-mentioned setscrew sub-assembly is had above-mentioned barb 6 afterwards one inserts in the hole, until above-mentioned expansion tube 3 is completely into hole
And above-mentioned ring washer 4 resists aperture, not by above-mentioned nut during above-mentioned setscrew sub-assembly is inserted into mounting hole
2nd, above-mentioned ring spring washer 5 and above-mentioned ring washer 4 are removed, and above-mentioned setscrew combines during preventing the hole bored deep
Part, which is fallen into, to be difficult to take out in hole；After above-mentioned expansion tube 3 is successfully placed in hole, fixed above-mentioned ring washer 4, above-mentioned ring spring
Washer 5 and aforesaid operations block 13 simultaneously tighten above-mentioned nut 2, and above-mentioned screw 1 is made to be moved outside aperture under the rotation of above-mentioned nut 2
Dynamic, above-mentioned expansion tube 3 can not move outside aperture together because above-mentioned ring washer 4 blocks aperture with above-mentioned screw 1, above-mentioned
Barb 6 is moved to above-mentioned expansion tube 3, and the ramp down angle at the anti-skidding oblique angle and above-mentioned expansion tube 3 of final above-mentioned barb 6 contacts with each other,
Continue to turn above-mentioned nut 2, the anti-skidding oblique angle and anti-skid structure for making above-mentioned barb 6 strut outward, the anti-skidding oblique angle of above-mentioned barb 6
Hole wall is embedded in anti-skid structure and generates frictional force and interaction force, and above-mentioned screw 1 is made to be fixed in the hole of wall, it is loose at this time
Above-mentioned nut 2, above-mentioned ring spring washer 5 and above-mentioned ring washer 4 are opened, above-mentioned screw is mounted on fixed device is needed
On, then above-mentioned ring washer 4, above-mentioned ring spring washer 5 and above-mentioned nut 2 loaded onto successively, finally, screw up with a wrench above-mentioned
Nut 2 fixes above-mentioned setscrew sub-assembly, completes installation.
The setscrew sub-assembly of the utility model, by increase equipped with above-mentioned fluting 12 and with movable end it is above-mentioned fall
Hook 6 so that the anti-skidding oblique angle of above-mentioned barb 6 and anti-skid structure are embedded in hole wall to above-mentioned setscrew sub-assembly when in use, and then
The frictional force and interaction force between the movable end and hole wall of above-mentioned barb 6 are improved, makes it have extremely strong axial tensile capacity,
It effectively prevent above-mentioned setscrew loose or dislocation；Also, the utility model, can be by back-outing above-mentioned nut when needing dismounting
2 so that the movable end of above-mentioned barb 6 is easily removed above-mentioned setscrew sub-assembly, reused with generating gap between the walls.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
Every equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is directly or indirectly transported
Used in other related technical areas, it is equally included in the patent within the scope of the utility model.
Claims (10)
1. a kind of setscrew sub-assembly, which is characterized in that including screw, expansion tube and barb, described screw one end side-walls
Equipped with screw thread, the other end is vertically arranged with the fluting of open on three sides, and the screw is arranged in the expansion tube, and the expansion
Pipe is set between the screw thread and the fluting, and the barb is set in the fluting, and is articulated in the madial wall of the fluting,
Wherein, the barb includes the first movable end, and first movable end protrudes from the side opening of the fluting.
2. setscrew sub-assembly according to claim 1, which is characterized in that further include operating block, the operating block is vertical
It is fixed to have threaded one end, and the cross-sectional area of the operating block is smaller than the cross-sectional area of the screw with the screw.
3. setscrew sub-assembly according to claim 1, which is characterized in that further include nut, the nut is sheathed on institute
It states screw and sets threaded one end.
4. setscrew sub-assembly according to claim 3, which is characterized in that be arranged with ring between the nut and expansion tube
Shape washer.
5. setscrew sub-assembly according to claim 4, which is characterized in that be arranged between the ring washer and nut
Ring spring washer.
6. setscrew sub-assembly according to claim 1, which is characterized in that further include articulated part, the fluting passes through pivot
Fitting is pivotally connected with the barb.
7. setscrew sub-assembly according to claim 6, which is characterized in that the barb further includes the second movable end, institute
The first movable end is stated equipped with anti-skidding oblique angle, the side wall of second movable end is equipped with anti-skid structure.
8. setscrew sub-assembly according to claim 7, which is characterized in that the barb includes two, and opposite pivot joint
In the madial wall of the fluting, and the anti-skidding oblique angle of two barbs is fallen described in two in the different side openings of the fluting
The anti-skid structure of hook is in the different side openings of the fluting.
9. setscrew sub-assembly according to claim 7, which is characterized in that the second movable end of the barb protrudes from institute
State the open on three sides of fluting.
10. setscrew sub-assembly according to claim 1, which is characterized in that the expansion tube is close to the one of the barb
End is equipped with ramp down angle, and the slope at the ramp down angle is equal with the slope at the anti-skidding oblique angle of the barb movable end, and the ramp down
Angle cooperates with the anti-skidding oblique angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721158798.8U CN207554498U (en) | 2017-09-11 | 2017-09-11 | Setscrew sub-assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721158798.8U CN207554498U (en) | 2017-09-11 | 2017-09-11 | Setscrew sub-assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207554498U true CN207554498U (en) | 2018-06-29 |
Family
ID=62676088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721158798.8U Expired - Fee Related CN207554498U (en) | 2017-09-11 | 2017-09-11 | Setscrew sub-assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207554498U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843667A (en) * | 2018-07-09 | 2018-11-20 | 百益百利（福州）幕墙工程有限公司 | A kind of expansible anchor bolt |
| CN112303083A (en) * | 2020-10-26 | 2021-02-02 | 上海箐真通讯工程有限公司 | Hot galvanizing hollow wall expansion screw |
-
2017
- 2017-09-11 CN CN201721158798.8U patent/CN207554498U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843667A (en) * | 2018-07-09 | 2018-11-20 | 百益百利（福州）幕墙工程有限公司 | A kind of expansible anchor bolt |
| CN108843667B (en) * | 2018-07-09 | 2020-05-26 | 百益百利（福州）幕墙工程有限公司 | Novel expansion anchor bolt |
| CN112303083A (en) * | 2020-10-26 | 2021-02-02 | 上海箐真通讯工程有限公司 | Hot galvanizing hollow wall 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 |
Granted publication date: 20180629 |