CN206889431U - A kind of detachable setscrew - Google Patents
A kind of detachable setscrew Download PDFInfo
- Publication number
- CN206889431U CN206889431U CN201720807339.1U CN201720807339U CN206889431U CN 206889431 U CN206889431 U CN 206889431U CN 201720807339 U CN201720807339 U CN 201720807339U CN 206889431 U CN206889431 U CN 206889431U
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- China
- Prior art keywords
- screw rod
- expansion tube
- welded
- sliding block
- close
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Abstract
The utility model discloses a kind of detachable setscrew, including screw rod and expansion tube, the screw rod threaded one end connects internal thread expansion tube, the other end of the screw rod at section center by being welded with connecting seat, the screw rod is threadedly coupled locking nut close to the side of connecting seat, screw rod outer peripheral face of the locking nut away from connecting seat side, which is welded with, tightens nut, the expansion tube is welded with limited block close to the side for tightening nut, the outer peripheral face of the screw rod close to expansion tube side of tightening nut is welded and fixed restraining position ring block, the one end of the screw rod in expansion tube is rotatably connected to sliding block, the sliding block is slidably mounted on the inside of expansion tube.The detachable setscrew, different objects, while the expansion for the sliding block control expansion tube for passing through inside are connected using different connecting seats as needed, expansion tube can completely be taken out after removal, reduce the influence to metope.
Description
Technical field
The utility model belongs to setscrew technical field, and in particular to a kind of detachable setscrew.
Background technology
Setscrew generally be metallic expansive screw, the fixation of setscrew is to promote to expand using wedge-shaped gradient
Friction bond stress is produced, reaches fixed effect.
The fastening effect of setscrew is apparent, therefore the difficulty dismantled is larger, it is necessary to be carried out to wall destructive
Damage could all take out setscrew, be unsatisfactory for present use demand, it is therefore desirable to a kind of detachable expanding screw
Silk.
Utility model content
The purpose of this utility model is to provide a kind of detachable setscrew, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the utility model provides following technical scheme：A kind of detachable setscrew, including spiral shell
Bar and expansion tube, the screw rod threaded one end connect internal thread expansion tube, and the other end of the screw rod at section center by welding
Connecting seat is fixed with, side center of the connecting seat away from screw rod is threaded with installation position, and the screw rod is close to even
The side threaded connection locking nut of joint chair, screw rod outer peripheral face of the locking nut away from connecting seat side is welded with stubborn
Tight nut, the expansion tube are welded with limited block close to the side for tightening nut, and the nut of tightening is close to expansion tube side
The outer peripheral face of screw rod is welded and fixed restraining position ring block, and the one end of the expansion tube away from screw rod is welded with alloy head, the spiral shell
The one end of bar in expansion tube is rotatably connected to sliding block, and the sliding block is slidably mounted on the inside of expansion tube.
Preferably, the screw rod is two-part screw rod and wherein one section of screw chasing is cut in screw rod side and another section of screw thread
Cut in the middle part of screw rod.
Preferably, the locking nut and tighten and be socketed with pad outside screw rod between nut.
Preferably, the sliding block is welded with fixture block close to connecting rod one end that the side end face of screw rod is welded and fixed, institute
State in the neck that fixture block is cut installed in screw rod inside slider body.
Preferably, the expansion tube includes screwed pipe and expansion and referred to, and the expansion refers to inside and is cut with guide groove, in the guide groove
Deck is installed, the deck is weldingly fixed on the side external surface of sliding block one.
Preferably, the screwed pipe has screw thread close to the cutting of the inner side of screw rod and the side inner surface of close sliding block is welded and fixed
There are lug boss, the lug boss and shoe contact.
Technique effect of the present utility model and advantage：The detachable setscrew, by mounting seat, is realized to difference
The connection and installation of object, different mounting seats is used according to the use demand of reality, different types of object is installed；By twisting
Tight nut and locking nut, realize the fixation and locking to whole setscrew, nut is tightened in operation makes whole setscrew
It is fixed on inside wall, nut check will be tightened by then operating locking nut again, prevent setscrew from loosening；Pass through cunning
Block, the control to expansion tube degrees of expansion is realized, screw rod rotation moves sliding block, and then expansion is referred to expansion, makes whole swollen
Swollen screw is fixed on inside wall；By deck and guide groove, the control to expansion tube is realized, screw rod is moved out when unloading screw rod
It is dynamic to cause sliding block to be displaced outwardly making expansion refer to contraction, it is easy to take out expansion tube in wall.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is expansion tube internal structure schematic diagram of the present utility model.
In figure：1 screw rod, 2 expansion tubes, 21 screwed pipes, 22 expansion refer to, 3 connecting seats, 4 locking nuts, 5 pads, 6 tighten nut,
7 spacing rings, 8 limited blocks, 9 mounting seats, 10 alloy heads, 11 sliding blocks, 12 lug bosses, 13 fixture blocks, 14 decks, 15 guide grooves.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Referring to Fig. 1, Fig. 1 is dimensional structure diagram of the present utility model, a kind of detachable setscrew, wherein,
Including screw rod 1 and expansion tube 2, the screw rod 1 is two-part screw rod and wherein one section of screw chasing in the side of screw rod 1 and another section
At the middle part of screw rod 1, the threaded one end of screw rod 1 connects internal thread expansion tube 2 for screw chasing, and the other end of the screw rod 1, which passes through, to break
Connecting seat 3 is welded with the center of face, side center of the connecting seat 3 away from screw rod 1 is threaded with installation position
9, the screw rod 1 is threadedly coupled locking nut 4 close to the side of connecting seat 3, and the locking nut 4 is away from the side of connecting seat 3
The outer peripheral face of screw rod 1, which is welded with, tightens nut 6, and the locking nut 4 and tightening is socketed with outside screw rod 1 between nut 6
Pad 5, the expansion tube 2 are welded with limited block 8 close to the side for tightening nut 6, and the nut 6 of tightening is close to expansion tube 2 one
The outer peripheral face of the screw rod 1 of side is welded and fixed restraining position ring block 7, and the described one end of expansion tube 2 away from screw rod 1 is welded with alloy head
10, the one end of the screw rod 1 in expansion tube 2 is rotatably connected to sliding block 11, and the sliding block 11 is slidably mounted on the interior of expansion tube 2
Portion, the expansion tube 2 include screwed pipe 21 and expansion and refer to 22, and the screwed pipe 21 has screw thread and close close to the cutting of the inner side of screw rod 1
The side inner surface of sliding block 11 is welded with lug boss 12, and the lug boss 12 contacts with sliding block 11, and the expansion refers in 22
Portion is cut with guide groove 15, and deck 14 is provided with the guide groove 15, and the deck 14 is weldingly fixed on the side external surface of sliding block 11 1,
The sliding block 11 is welded with fixture block 13 close to connecting rod one end that the side end face of screw rod 1 is welded and fixed, and the fixture block 13 is pacified
In the neck cut mounted in screw rod 1 close to the body interior of sliding block 11.
The screw rod 1 is two-part screw rod, and the screw thread cut in diverse location is installed different parts and played different
Effect.The threaded one end of screw rod 1 connection internal thread expansion tube 2, the expansion tube 2 screw rod 1 effect to expanding, then
It is firmly secured in wall.The other end of the screw rod 1 is by being welded with connecting seat 3, the connection at section center
The mounting seat 9 of seat 3 opposite sides threaded connection can be changed according to different service conditions, and different things is installed with this
Part, improve the use range of whole screw.The screw rod 1 is threadedly coupled locking nut 4, the lock close to the side of connecting seat 3
Tight nut 4 will tighten nut 6 and lock, and whole screw is fully fixed without loosening.It is described tighten nut 6 make screw rod 1 to
Moved in wall, make whole setscrew fully fixed.The spacing ring 7 and limited block 8 are to cooperation, when spacing ring 7 moves to
Whole screw rod 1 is carried out when at limited block 8 spacing, prevent screw rod 1 from loosening.One end weldering of the expansion tube 2 away from screw rod 1
Connect and be fixed with alloy head 10, the alloy head 10 improves the rigidity on the head of expansion tube 2, improves the durability of expansion tube 2.
Referring to Fig. 2, Fig. 2 is expansion tube internal structure schematic diagram of the present utility model.The screw rod 1 is in expansion tube 2
One end be rotatably connected to sliding block 11, the motion of sliding block 11 expands expansion tube 2.The screwed pipe 21 is close to screw rod 1
Inner side cutting has screw thread and the side inner surface close to sliding block 11 is welded with lug boss 12, the threaded portion of screwed pipe 21 and spiral shell
Bar 1 connects, and the lug boss 21 reduces the friction of sliding block 11 and the inwall of screwed pipe 21, improves mobile flexibility.The expansion refers to
Guide groove 15 is cut with inside 22, the guide groove 15 moves deck 14, and adjustment expansion refers to 22 position, the guide groove
Deck 14 is installed in 15, the deck 14 moves with the movement of sliding block 11 in guide groove 15, and adjustment expansion refers to 22 folding,
Whole expansion tube 2 is facilitated to take out.The fixture block 13 is arranged in the neck that screw rod 1 is cut close to the body interior of sliding block 11, described
Fixture block 13 is circle, and making screw rod 1 by fixture block 13, sliding block 11 does not rotate when rotated, continues to keep the shape that normally works
State.
Operation principle：Drilled during use on the wall for need to use setscrew, then by the expansion tube 2 of setscrew
One end is put into hole, and then nut 6 is tightened in operation rotates screw rod 1, so that internal expansion tube 2 expands, is made whole
Screw is fixed, and is then entered to tighten nut 6 in operation locking nut 4 and is locked, need to such as dismantle screw, locking nut 4 first is unscrewed, so
Tightening nut 6 in operation afterwards moves backward screw rod 1, so as to be moved backward with movable slider 11, expansion is referred to 22 playback, being engaged in makes
Whole expansion tube 2 is very easily laid down.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Progress equivalent substitution, all within the spirit and principles of the utility model, any modification, equivalent substitution and improvements made etc.,
It should be included within the scope of protection of the utility model.
Claims (6)
1. a kind of detachable setscrew, including screw rod (1) and expansion tube (2), it is characterised in that：Described screw rod (1) one end
Internal thread expansion tube (2) is threadedly coupled, the other end of the screw rod (1) is by being welded with connecting seat (3), institute at section center
State side center of the connecting seat (3) away from screw rod (1) and be threaded with installation position (9), the screw rod (1) is close to connecting seat
(3) side threaded connection locking nut (4), screw rod (1) outer peripheral face of the locking nut (4) away from connecting seat (3) side
It is welded with and tightens nut (6), the expansion tube (2) is welded with limited block (8) close to the side for tightening nut (6), described
The outer peripheral face that nut (6) is tightened close to the screw rod (1) of expansion tube (2) side is welded and fixed restraining position ring block (7), the expansion tube
(2) one end away from screw rod (1) is welded with alloy head (10), and the one end of the screw rod (1) in expansion tube (2), which rotates, to be connected
Sliding block (11) is connected to, the sliding block (11) is slidably mounted on the inside of expansion tube (2).
A kind of 2. detachable setscrew according to claim 1, it is characterised in that：The screw rod (1) is two-part
Screw rod and wherein one section of screw chasing are in screw rod (1) side and another section of screw chasing is in the middle part of screw rod (1).
A kind of 3. detachable setscrew according to claim 1, it is characterised in that：The locking nut (4) and twist
Pad (5) is socketed with outside screw rod (1) between tight nut (6).
A kind of 4. detachable setscrew according to claim 1, it is characterised in that：The sliding block (11) is close to screw rod
(1) connecting rod one end that side end face is welded and fixed is welded with fixture block (13), and the fixture block (13) is leaned on installed in screw rod (1)
In the neck of nearly sliding block (11) body interior cutting.
A kind of 5. detachable setscrew according to claim 1, it is characterised in that：The expansion tube (2) includes spiral shell
Pipe (21) and expansion refer to (22), and the expansion, which refers to, is cut with guide groove (15) inside (22), deck is provided with the guide groove (15)
(14), the deck (14) is weldingly fixed on the side external surface of sliding block (11) one.
A kind of 6. detachable setscrew according to claim 5, it is characterised in that：The screwed pipe (21) is close to screw rod
(1) inner side cutting has screw thread and the side inner surface close to sliding block (11) is welded with lug boss (12), the lug boss
(12) contacted with sliding block (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720807339.1U CN206889431U (en) | 2017-07-05 | 2017-07-05 | A kind of detachable setscrew |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720807339.1U CN206889431U (en) | 2017-07-05 | 2017-07-05 | A kind of detachable setscrew |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206889431U true CN206889431U (en) | 2018-01-16 |
Family
ID=61299445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720807339.1U Active CN206889431U (en) | 2017-07-05 | 2017-07-05 | A kind of detachable setscrew |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206889431U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108839256A (en) * | 2018-06-28 | 2018-11-20 | 东莞唯度电子科技服务有限公司 | A kind of concrete cutting saw |
| CN109869394A (en) * | 2019-04-10 | 2019-06-11 | 罗定市麟千五金科技有限公司 | Setscrew |
| CN113819126A (en) * | 2021-10-13 | 2021-12-21 | 北京怡泰盛达技术发展有限责任公司 | Quick fastening and quick loosening expansion buckle connecting piece |
| CN115013398A (en) * | 2022-06-30 | 2022-09-06 | 佛山市灏宇家居科技有限公司 | Expansion bolt assembly |
-
2017
- 2017-07-05 CN CN201720807339.1U patent/CN206889431U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108839256A (en) * | 2018-06-28 | 2018-11-20 | 东莞唯度电子科技服务有限公司 | A kind of concrete cutting saw |
| CN108839256B (en) * | 2018-06-28 | 2021-05-28 | 南京溧水高新产业股权投资有限公司 | Concrete cutting saw |
| CN109869394A (en) * | 2019-04-10 | 2019-06-11 | 罗定市麟千五金科技有限公司 | Setscrew |
| CN113819126A (en) * | 2021-10-13 | 2021-12-21 | 北京怡泰盛达技术发展有限责任公司 | Quick fastening and quick loosening expansion buckle connecting piece |
| CN115013398A (en) * | 2022-06-30 | 2022-09-06 | 佛山市灏宇家居科技有限公司 | Expansion bolt assembly |
| CN115013398B (en) * | 2022-06-30 | 2024-05-28 | 佛山市灏宇家居科技有限公司 | Expansion bolt assembly |
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