CN206655886U - It is a kind of easily to take out the expansion bolt that reused - Google Patents
It is a kind of easily to take out the expansion bolt that reused Download PDFInfo
- Publication number
- CN206655886U CN206655886U CN201720325109.1U CN201720325109U CN206655886U CN 206655886 U CN206655886 U CN 206655886U CN 201720325109 U CN201720325109 U CN 201720325109U CN 206655886 U CN206655886 U CN 206655886U
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- China
- Prior art keywords
- screw rod
- expansion
- expansion sleeve
- silk tooth
- bolt
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Abstract
The utility model discloses a kind of expansion bolt that easily takes out and can reuse, including screw rod (1) and expansion sleeve (2), one end of the screw rod (1) is provided with positive silk tooth (1a), the other end is provided with reverse silk tooth (1b), expansion sleeve (2) is packaged with the screw rod (1), inflation openings (2a) are provided with the middle part of expansion sleeve (2), the screw thread to match with positive silk tooth, the reverse silk tooth at screw rod (1) both ends is formed respectively with the inwall at expansion sleeve (2) both ends.Expansion bolt provided by the utility model is simple in construction, easy to use, fixation, while also allows for taking out, and will not damage structure, can recycle.
Description
Technical field
The utility model belongs to bolt technical field, more particularly to a kind of easily takes out the expansion bolt that can be reused.
Background technology
At present, the principle of in the market expansion bolt is the Kong Zhonghou that expansion bolt is got on ground or metope, uses spanner
The nut 1c on expansion bolt is tightened, bolt walks toward outside, and the expansion sleeve of outside is motionless, then, the major part under bolt 1
(conical head) just the spreading of expansion sleeve 2, makes the whole mounting hole of its overflow, now, expansion bolt just fixes, and sees Fig. 1.If
Relatively elaborate when wanting to take out, it is difficult to take out, must destroy metope sometimes could take out.If it is contemplated that when one kind not only uses
Fixation and the expansion bolt for being easy to taking-up, it will facilitate than existing this design a lot.
Application No. CN201520684502.0 Chinese patent discloses a kind of expansion bolt, including countersunk head screw rod, swollen
Pipe, countersunk head screw rod rear portion are provided with screw thread, some inflation openings are provided with the rear sidewall of tube expansion, and tube expansion front portion is provided with some insertions
Notch, countersunk head screw rod rear portion are stretched into tube expansion from tube expansion front portion；Countersunk head screw rod rear portion is additionally provided with tensioner ring, and tensioner ring is frustum, swollen
The screwed hole through its front/rear end is provided with ring, tensioner ring coordinates with countersunk head screw rod screw thread.Countersunk head screw rod is manipulated to rotate, but due to
The tensioner ring at countersunk head screw rod rear portion rubs with tube expansion side wall, and tensioner ring coordinates with countersunk head screw rod screw thread, and tensioner ring is with respect to countersunk head screw rod
There is axial displacement, i.e. tensioner ring is anterior mobile to countersunk head screw rod, and tensioner ring rear portion is gradually stretched into tube expansion, tube expansion rear sidewall is supportted
Open, reach the purpose of expansion.The expansion bolt is complicated, and inconvenient during taking-up, i.e., enabled to take out, and can not circulate
Utilize.
Utility model content
In view of the shortcomings of the prior art, the utility model provide it is a kind of easily take out the expansion bolt that can be reused, it is described
Upset bolt, it is not only more firm during use, also easily all take out when not in use.
The technical solution of the utility model is as follows：It is a kind of easily to take out the expansion bolt that reused, including screw rod 1 and swollen
Expansion set pipe 2, it is characterised in that one end of the screw rod 1 is provided with positive silk tooth 1a, and the other end is provided with reverse silk tooth 1b；The spiral shell
Expansion sleeve 2 is packaged with bar 1, the middle part of expansion sleeve 2 is provided with inflation openings 2a, made respectively on the inwall at the both ends of expansion sleeve 2
There is the screw thread that positive silk tooth, reverse silk tooth with the both ends of screw rod 1 match.Expansion sleeve is made up of metal material, can be according to need
Select the metal of suitable stiffness and elasticity.
Further, one end termination of the screw rod 1 is provided with object fixture 1d.
Further, the object fixture 1d is hook solid or screw shaped.After expansion bolt installs, object can be hung
On object fixture 1d.
Further, one end termination of the screw rod 1 is provided with nut 1c, and nut 1c is fixed as one with screw rod 1.
Further, the nut 1c is provided with groove 3, the groove 3 and object fixture 1d in one end away from screw rod 1
Connection.
Further, the expansion sleeve 2 is provided with 3~6 inflation openings, and the length of inflation openings is 3~15cm.
Further, the expansion sleeve 2 is provided with 3~6 inflation openings, and the length of inflation openings is 3~15cm, swollen
Expansion set length of tube and inflation openings length can be according to being actually needed setting of modifying.
Further, the screw rod 1 and expansion sleeve 2 are an encapsulated moulding, 2 positive and negative silk tooth and spiral shell on expansion sleeve
Positive and negative silk tooth on bolt is supporting.When expansion sleeve is encapsulated on screw rod 1, the half (section) supporting with screw rod top silk tooth is expanded
Sleeve pipe is enclosed on screw rod, then second half (section) expansion sleeve is enclosed on to the bottom of screw rod, the connection of two halves (section) expansion sleeve again
Place is connected using spot welding mode, can be opened up inflation openings again after expansion sleeve is encapsulated in screw rod, also can first be opened and expand
Expansion sleeve is encapsulated on screw rod by mouth again.
Operation principle of the present utility model is as follows：The expansion bolt is mainly by 2 two part structures of screw rod 1 and expansion sleeve
Into wherein the both ends of screw rod 1 make positive silk tooth 1a and reverse silk tooth 1b, nut 1c and object fixture 1d respectively.Expansion sleeve 2
Middle part is provided with inflation openings 2a, is made and the both ends forward direction silk tooth of screw rod 1 and reverse silk tooth respectively on the inwall at the both ends of expansion sleeve 2
The screw thread to match.Can be pressed with several teeth at 2 sets of sides of expansion sleeve, teeth be easy to it is several on two surfaces of nut 1c
Projection contacts, nut 1c rats are contacted with the teeth at 2 sets of edges of expansion sleeve, and expansion sleeve 2 can be driven to rotate.Adding
When work produces, the internal expansion sleeve 2 containing positive and negative silk tooth is once encapsulated on screw rod 1, just constitutes the easily taking-up energy
The expansion bolt of recycling.
When in use, in the mounting hole first accomplished fluently the insertion of one end of whole expansion bolt in advance, then by up time on screw rod 1
Pin rotates, due to screw rod forward direction silk tooth 1a and reverse silk tooth 1b direction of rotation on the contrary, expansion sleeve 2 produces axial position to centre
Move, i.e., the top of expansion sleeve 2 and the bottom of expansion sleeve 2 extrude to the center of expansion sleeve 2, and the middle part of expansion sleeve 2 is provided with swollen in advance
Distending mouth 2a, now, inflation openings 2a are squeezed rear distending and outwards expanded, and the expansion sleeve 2 outwards expanded presses to mounting hole
At inwall, increase resistance, so as to allow expansion bolt to be fixed in mounting hole, it is necessary to which the object fixed, can be fixed by object
Part 1d is fixed.
During taking-up, the nut 1c on screw rod 1 carries out rotate counterclockwise, due to positive silk tooth 1a and reverse silk tooth 1b just phases
Instead, the upper and lower part of expansion sleeve 2 is made to be stretched gradually to both sides, until being fully straightened at inflation openings 2a, expanding screw
Bolt all can take out from mounting hole.This design not only fixation of the utility model, while also allow for taking out expanding screw
Bolt, facilitate than existing this design a lot.
Compared with prior art, the utility model has the advantages that：Expansion bolt knot provided by the utility model
Structure is simple, easy to use, fixation, while also allows for taking out, and will not damage structure, being capable of circulating repetition use.
Brief description of the drawings
Fig. 1 is the use state figure of existing expansion bolt；
Fig. 2 is the structural representation of bolt；
Fig. 3 is the structural representation of expansion sleeve；
Fig. 4 be easily take out the expansion bolt that can reuse it is unexpanded when structural representation；
Fig. 5 is structural representation when easily taking out the expansion bolt expansion that can be reused；
Fig. 6 is use state figure when expansion bolt is unexpanded；
Fig. 7 is use state figure when expansion bolt expands；
Fig. 8 is the use state figure of the expansion bolt of embodiment 2；
Fig. 9 is the use state figure of the expansion bolt of embodiment 3；
Marked in figure：1- bolts, 1a- forward direction silk teeth, 1b- reverse silk teeth, 1c- nuts, 1d- object fixtures, 2- expansions
Sleeve pipe, 2a- inflation openings, 3- grooves.
Embodiment
The technical solution of the utility model is described in further details with specific embodiment below in conjunction with the accompanying drawings, but this reality
Following technical scheme is not limited to new.
Embodiment 1
As shown in Fig. 2~Fig. 5, the expansion bolt that can be reused that easily takes out includes screw rod 1 and expansion sleeve 2, spiral shell
One end of bar 1 is provided with positive silk tooth 1a, and the other end is fixed on one end of screw rod 1 provided with reverse silk tooth 1b, nut 1c.On screw rod 1
It is packaged with the internal expansion sleeve 2 containing positive silk tooth and reverse silk tooth, the positive and negative silk of positive and negative the silk tooth and screw rod of expansion sleeve
Tooth matches, and expansion sleeve 2 is provided with 3~5 inflation openings, and the length of inflation openings is 3~10cm.Inflation openings 2a end
The distance of termination of the head away from expansion sleeve 2 is 1~3cm.
Screw rod 1 and expansion sleeve 2 are an encapsulated moulding, during encapsulation, by a demiinflation supporting with screw rod top silk tooth
Sleeve pipe is enclosed on screw rod, then second half expansion sleeve is enclosed on to the bottom of screw rod again, and two halves expansion sleeve junction uses point
Weldering mode connects, and can open up inflation openings again after expansion sleeve is encapsulated in screw rod, also can first open inflation openings again will be swollen
Expansion set pipe is encapsulated on screw rod.The expansion pipe sleeve 2 for being provided with inflation openings can also be designed into slabbing in encapsulation, wrap up screw rod
Welded after 1 one circles.
As shown in Figure 6 and Figure 7, described easily to take out the expansion bolt that reused when in use, screw rod 1 and nut 1c are suitable
Hour hands rotate, because positive silk tooth 1a and reverse silk tooth 1b is just on the contrary, make the upper and lower part of expansion sleeve 2 be squeezed to center
Pressure, now inflation openings 2a is squeezed expansion, and then expansion bolt is fixed in hole.Fixed object is needed, thing can be passed through
Body fixture 1d is fixed.When the nut 1c rotate counterclockwises on screw rod 1, because positive silk tooth 1a and reverse silk tooth 1b are firm
Good on the contrary, making the upper and lower part of expansion sleeve 2 be stretched to both sides, now inflation openings 2a is straightened, and then expansion bolt is just
It can be taken out from hole.
Embodiment 2
As shown in figure 8, the expansion bolt that can be reused that easily takes out includes screw rod 1 and expansion sleeve 2, screw rod 1
One end is provided with positive silk tooth 1a, and the other end is enclosed on one end of screw rod 1 provided with reverse silk tooth 1b, nut 1c, and the outer end of nut is provided with
Groove 3, groove 3 are used to connect solid fixture 1d, and groove 3 can be connected through a screw thread with being connected solid fixture 1d.
The internal expansion sleeve 2 containing positive silk tooth and reverse silk tooth, the positive and negative silk tooth of expansion sleeve are packaged with screw rod 1
Match with the positive and negative silk tooth of screw rod, expansion sleeve 2 is provided with 3~5 inflation openings, and the length of inflation openings is 3~10cm.
The distance of termination of the inflation openings 2a termination away from expansion sleeve 2 is 1~3cm.
Embodiment 3
As shown in figure 9, the expansion bolt that can be reused that easily takes out includes screw rod 1 and expansion sleeve 2, screw rod 1
One end is provided with positive silk tooth 1a, and the other end is provided with reverse silk tooth 1b.One end termination of screw rod 1 is provided with object fixture 1d, the two
It is fixed as one, object fixture 1d is hook solid.In use, rotating object fixture, can drive screw rod to rotate, make expansion
Sleeve pipe 2 expands or stretched.
The internal expansion sleeve 2 containing positive silk tooth and reverse silk tooth, the positive and negative silk tooth of expansion sleeve are packaged with screw rod 1
Match with the positive and negative silk tooth of screw rod, expansion sleeve 2 is provided with 3~5 inflation openings, and the length of inflation openings is 3~10cm.
The distance of termination of the inflation openings 2a termination away from expansion sleeve 2 is 1~3cm.
Claims (8)
1. a kind of easily take out the expansion bolt that can be reused, including screw rod (1) and expansion sleeve (2), it is characterised in that described
One end of screw rod (1) is provided with positive silk tooth (1a), and the other end is provided with reverse silk tooth (1b)；Expansion is packaged with the screw rod (1)
Sleeve pipe (2), inflation openings (2a) are provided with the middle part of expansion sleeve (2), be formed respectively with the inwall at expansion sleeve (2) both ends and screw rod
(1) screw thread that positive silk tooth, the reverse silk tooth at both ends match.
2. easily take out the expansion bolt that can be reused as claimed in claim 1, it is characterised in that the one of the screw rod (1)
End termination is provided with object fixture (1d).
3. easily take out the expansion bolt that can be reused as claimed in claim 2, it is characterised in that the object fixture
(1d) is hook solid or screw shaped.
4. easily take out the expansion bolt that can be reused as claimed in claim 2, it is characterised in that the one of the screw rod (1)
End termination is provided with nut (1c), and nut (1c) is fixed as one with screw rod (1).
5. easily take out the expansion bolt that can be reused as claimed in claim 4, it is characterised in that the nut (1c) is remote
One end from screw rod (1) is provided with groove (3), and the groove (3) is used to be connected with object fixture (1d).
6. easily take out the expansion bolt that can be reused as claimed in claim 1, it is characterised in that the expansion sleeve (2)
3~6 inflation openings are provided with, the length of inflation openings is 3~15cm.
7. easily take out the expansion bolt that can be reused as claimed in claim 1, it is characterised in that the inflation openings (2a)
The distance of termination of the termination away from expansion sleeve (2) be 1~3cm.
8. the expansion bolt that the easy taking-up as described in claim 1~7 is any can reuse, it is characterised in that the bolt
(1) and expansion sleeve (2) is an encapsulated moulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720325109.1U CN206655886U (en) | 2017-03-30 | 2017-03-30 | It is a kind of easily to take out the expansion bolt that reused |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720325109.1U CN206655886U (en) | 2017-03-30 | 2017-03-30 | It is a kind of easily to take out the expansion bolt that reused |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206655886U true CN206655886U (en) | 2017-11-21 |
Family
ID=60316563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720325109.1U Active CN206655886U (en) | 2017-03-30 | 2017-03-30 | It is a kind of easily to take out the expansion bolt that reused |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206655886U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106884837A (en) * | 2017-03-30 | 2017-06-23 | 红塔烟草(集团)有限责任公司 | The expansion bolt that a kind of easy taking-up can be reused |
| CN108374820A (en) * | 2018-05-02 | 2018-08-07 | 成都明杰科技有限公司 | The expansion bolt that can be recycled and reuse |
-
2017
- 2017-03-30 CN CN201720325109.1U patent/CN206655886U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106884837A (en) * | 2017-03-30 | 2017-06-23 | 红塔烟草(集团)有限责任公司 | The expansion bolt that a kind of easy taking-up can be reused |
| CN106884837B (en) * | 2017-03-30 | 2023-09-01 | 红塔烟草(集团)有限责任公司 | Expansion bolt capable of being taken out easily and being reused |
| CN108374820A (en) * | 2018-05-02 | 2018-08-07 | 成都明杰科技有限公司 | The expansion bolt that can be recycled and reuse |
| CN108374820B (en) * | 2018-05-02 | 2018-12-11 | 浙江宝业幕墙装饰有限公司 | The expansion bolt that can be recycled and reuse |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lu Junping Inventor after: Liu Peng Inventor after: Wang Xiating Inventor after: Liu Wen Inventor after: Yang Jianhua Inventor after: Shen Xinquan Inventor after: Wang Weibin Inventor after: Wang Jian Inventor after: Jin Long Inventor after: Li Jianrong Inventor before: Lu Junping Inventor before: Li Jianrong Inventor before: Liu Peng Inventor before: Wang Xiating Inventor before: Liu Wen Inventor before: Yang Jianhua Inventor before: Shen Xinquan Inventor before: Yin Jian Inventor before: Wang Weibin Inventor before: Wang Jian Inventor before: Jin Long |
|
| CB03 | Change of inventor or designer information |