CN207005031U - A kind of easy-to-dismount expansion bolt - Google Patents
A kind of easy-to-dismount expansion bolt Download PDFInfo
- Publication number
- CN207005031U CN207005031U CN201720804822.4U CN201720804822U CN207005031U CN 207005031 U CN207005031 U CN 207005031U CN 201720804822 U CN201720804822 U CN 201720804822U CN 207005031 U CN207005031 U CN 207005031U
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- CN
- China
- Prior art keywords
- nail
- bolt
- shell
- expansion
- easy
- 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 a kind of easy-to-dismount expansion bolt, including nail shell and bolt, ailhead is provided with above the nail shell, and the top both sides of ailhead are provided with inflation port, the bolt is fixed on the center of nail shell, and nail shell both sides are provided with expansion piece, it is provided with below the expansion piece into nail groove, and both sides are provided with expandable nail above expansion piece, extrusion screw is connected with below the bolt, and nut is provided with below extrusion screw, the extrusion screw is provided centrally with bolt hole, and it is provided with connecting bolt below extrusion screw, both sides, which are provided with, inside the nail shell moves back nail groove.The easy-to-dismount expansion bolt, conventional expanded silk is avoided to dismantle by force, it is damaged wall, even result in wall and the situation in crack occur, and the device is provided with connecting bolt, suitable attachment structure can be connected according to purposes, the scope of application is more extensive, and the device can more be economized on resources with Reusability and reduced cost.
Description
Technical field
Hardware equipment technical field is the utility model is related to, specially a kind of easy-to-dismount expansion bolt.
Background technology
In we live, punching installation expansion thread often is carried out some equipment are fixed in wall, or utilize
Expansion thread involves some ropes, and the use of expansion thread is very convenient and simple to operate, and stability is high, but existing market
On expansion thread be disposable mostly, and expand after expansion thread can not return to the original form, cause to be difficult to from wall
Body is disassembled out, and strong dismounting can make wall sustain damage, and influences the appearance of wall, and easily splits wall
Seam, causes wall easily to be intake, reduces the life-span of wall, it is therefore desirable to be improved for existing expansion thread to adapt to city
The demand of field.
Utility model content
The purpose of this utility model is to provide a kind of easy-to-dismount expansion bolt, to solve to carry in above-mentioned background technology
The occupancy human resources gone out, pressure release is inaccurate, and relief hole may be to artificial into dangerous problem.
To achieve the above object, the utility model provides following technical scheme:A kind of easy-to-dismount expansion bolt, including
Shell and bolt are followed closely, ailhead is provided with above the nail shell, and the top both sides of ailhead are provided with inflation port, the bolt is fixed
In the center of nail shell, and follow closely shell both sides and be provided with expansion piece, be provided with below the expansion piece into nail groove, and above expansion piece
Both sides are provided with expandable nail, and the expandable nail is embedded in inflation port, it is described enter the lower section following closely groove and follow closely between shell be provided with and move back
Nail is bored, and extrusion screw is connected with below the bolt, and nut is provided with below extrusion screw, the extrusion screw center
Bolt hole is provided with, and connecting bolt is provided with below extrusion screw, both sides, which are provided with, inside the nail shell moves back nail groove.
Preferably, the nail shell is structure as a whole with ailhead, and the profile of ailhead is taper, and follow closely shell central shaft and
The central shaft of ailhead is located at same straight line.
Preferably, the central shaft of the central shaft of the bolt and nail shell is located at same straight line, and the diameter of bolt is equal to spiral shell
The diameter of keyhole.
Preferably, the expansion piece is provided with two, and it is distributed in bolt both sides, and axle of the expansion piece on bolt
Heart Central Symmetry.
Preferably, the thickness for moving back nail cone is plus the thickness of nail shell and the equal length of expandable nail, and expandable nail is set
Ten are equipped with, is evenly distributed in the top of 2 expansion pieces.
Preferably, the appearance and size for moving back nail groove matches with the appearance and size of expansion piece, and moves back nail groove and expansion piece
Between for be flexibly connected.
Compared with prior art, the beneficial effects of the utility model are：The easy-to-dismount expansion bolt is provided with expansion
Piece and expandable nail, expandable nail can be made to be pierced out from inflation port, reach and fix the device in wall by extrusion expansion piece
Purpose, expandable nail are provided with ten, the device when this expansion bolt is no longer needed, is passed through in wall uniform force
Moving back nail cone can make to separate between expansion piece and nail shell, then can be by the device from wall so that expandable nail is retracted in inflation port
Taken out in body, without being damaged to wall, avoid conventional expanded silk and dismantle by force, be damaged wall, even result in wall
There is the situation in crack, and the device is provided with connecting bolt, can connect suitable attachment structure according to purposes, be applicable model
Enclose more extensively, be easy to the use of people.
Brief description of the drawings
Fig. 1 is the utility model main view cross-sectional view；
Fig. 2 is the utility model top view cross section structural representation；
Fig. 3 is the utility model extrusion screw overlooking the structure diagram；
Fig. 4 is the utility model expansion piece structural representation.
In figure：1st, shell is followed closely, 2, ailhead, 3, inflation port, 4, bolt, 5, expansion piece, 6, enter to follow closely groove, 7, expandable nail, 8, move back nail
Cone, 9, extrusion screw, 10, nut, 11, bolt hole, 12, connecting bolt, 13, move back nail groove.
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.
Fig. 1-4 are referred to, the utility model provides a kind of technical scheme：A kind of easy-to-dismount expansion bolt, including nail
Shell 1, ailhead 2, inflation port 3, bolt 4, expansion piece 5, enter to follow closely groove 6, expandable nail 7, move back nail cone 8, extrusion screw 9, nut 10, bolt
Hole 11, connecting bolt 12 and nail groove 13 is moved back, the top of nail shell 1 is provided with ailhead 2, and the top both sides of ailhead 2 are provided with expansion
Hole 3, nail shell 1 is structure as a whole with ailhead 2, and the profile of ailhead 2 is taper, and follows closely the central shaft of shell 1 and the center of ailhead 2
Axle position is easy to the use of the device, bolt 4 is fixed on the center of nail shell 1, and follows closely the both sides of shell 1 and be provided with expansion in same straight line
Piece 5, the central shaft of bolt 4 and the central shaft of nail shell 1 are located at same straight line, and the diameter of bolt 4 is equal to the diameter of bolt hole 11,
It is easy to extrusion expansion piece 5, the lower section of expansion piece 5 is provided with into nail groove 6, and the top both sides of expansion piece 5 are provided with expandable nail 7, swollen
It is provided with two for swollen 5, and it is distributed in the both sides of bolt 4, and expansion piece 5 is symmetrical on the eccentric axial of bolt 4, makes the dress
Put uniform force, expandable nail 7 is embedded in inflation port 3, enter to follow closely groove 6 and follow closely shell 1 between lower section be provided with move back nail cone 8, move back nail
The thickness of cone 8 is plus the thickness of nail shell 1 and the equal length of expandable nail 7, and expandable nail 7 is provided with ten, uniform distribution
In the top of 2 expansion pieces 5, be advantageous to the dismounting of the device, the lower section of bolt 4 is connected with extrusion screw 9, and extrusion screw 9
Lower section be provided with nut 10, extrusion screw 9 is provided centrally with bolt hole 11, and the lower section of extrusion screw 9 is provided with connecting bolt
12, nail shell 1 inside both sides, which are provided with, moves back nail groove 13, and the appearance and size for moving back nail groove 13 matches with the appearance and size of expansion piece 5, and
Move back between nail groove 13 and expansion piece 5 to be flexibly connected, be easy to the activity in nail groove 13 is moved back of expansion piece 5 to move back nail.
Operation principle：When using the easy-to-dismount expansion bolt, easy-to-dismount expansion bolt is moved back into nail first
Cone 8 and extrusion screw 9 are removed from the lower section of nail shell 1, and then electricity consumption, which is drilled on wall, bores a diameter and the nail diameter of shell 1
Equal hole, then nail shell 1 is embedded in the hole accomplished fluently, then extrusion screw 9 is rotatably connected on bolt 4, will extrude
The nut 10 of screw 9 is rotated, and extrusion screw 9 is initially entered in nail shell 1, and under the squeezing action of extrusion screw 9,
Expandable nail 7 on expansion piece 5 is pierced into from inflation port 3 within wall, extrusion screw 9 is fully rotating enter inside nail shell 1 when
Wait, you can suitable attachment structure is connected on connecting bolt 12, when not needing this easy-to-dismount expansion bolt, will be extruded
Screw 9 is spun out, then will move back nail cone 8 be pierced into nail shells 1 and expansion piece 5 between moving back nail groove 13 between, shock move back nail cone 8,
Make expansion piece 5 with nail shell 1 be kept completely separate, then will nail shell 1 taken out from wall, wall will not be caused to damage, here it is with
In the operation principle of this easy-to-dismount expansion bolt.
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 be modified to the technical scheme described in foregoing embodiments, or which part technical characteristic is entered
Row equivalent substitution, all within the spirit and principles of the utility model, any modification, equivalent substitution and improvements made etc., all should
Within the scope of protection of the utility model.
Claims (6)
1. a kind of easy-to-dismount expansion bolt, including nail shell (1) and bolt (4), it is characterised in that：It is described to follow closely the upper of shell (1)
Side is provided with ailhead (2), and the top both sides of ailhead (2) are provided with inflation port (3), and the bolt (4) is fixed on nail shell (1)
Center, and follow closely shell (1) both sides and be provided with expansion piece (5), it is provided with below the expansion piece (5) into nail groove (6), and expansion piece
(5) top both sides are provided with expandable nail (7), and the expandable nail (7) is embedded in inflation port (3), described to enter to follow closely groove (6) and nail shell
(1) lower section between, which is provided with, moves back nail cone (8), and extrusion screw (9), and extrusion screw (9) are connected with below the bolt (4)
Lower section be provided with nut (10), the extrusion screw (9) is provided centrally with bolt hole (11), and is set below extrusion screw (9)
Connecting bolt (12) is equipped with, the internal both sides of nail shell (1), which are provided with, moves back nail groove (13).
A kind of 2. easy-to-dismount expansion bolt according to claim 1, it is characterised in that：The nail shell (1) and ailhead
(2) it is structure as a whole, and the profile of ailhead (2) is taper, and the central shaft for following closely the central shaft and ailhead (2) of shell (1) is located at
Same straight line.
A kind of 3. easy-to-dismount expansion bolt according to claim 1, it is characterised in that：The center of the bolt (4)
The central shaft of axle and nail shell (1) is located at same straight line, and the diameter of bolt (4) is equal to the diameter of bolt hole (11).
A kind of 4. easy-to-dismount expansion bolt according to claim 1, it is characterised in that：The expansion piece (5) is set
There are two, and it is distributed in bolt (4) both sides, and expansion piece (5) is symmetrical on the eccentric axial of bolt (4).
A kind of 5. easy-to-dismount expansion bolt according to claim 1, it is characterised in that：The thickness for moving back nail cone (8)
Degree is plus the thickness of nail shell (1) and the equal length of expandable nail (7), and expandable nail (7) is provided with ten, is evenly distributed in
The top of 2 expansion pieces (5).
A kind of 6. easy-to-dismount expansion bolt according to claim 1, it is characterised in that：It is described to move back the outer of nail groove (13)
Shape size matches with the appearance and size of expansion piece (5), and it is to be flexibly connected to move back between nail groove (13) and expansion piece (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720804822.4U CN207005031U (en) | 2017-07-05 | 2017-07-05 | A kind of easy-to-dismount expansion bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720804822.4U CN207005031U (en) | 2017-07-05 | 2017-07-05 | A kind of easy-to-dismount expansion bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207005031U true CN207005031U (en) | 2018-02-13 |
Family
ID=61452284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720804822.4U Expired - Fee Related CN207005031U (en) | 2017-07-05 | 2017-07-05 | A kind of easy-to-dismount expansion bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207005031U (en) |
-
2017
- 2017-07-05 CN CN201720804822.4U patent/CN207005031U/en not_active Expired - Fee Related
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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: 20180213 Termination date: 20190705 |