CN209369353U - A kind of recyclable water-proof double-unit screw - Google Patents
A kind of recyclable water-proof double-unit screw Download PDFInfo
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- CN209369353U CN209369353U CN201822007474.5U CN201822007474U CN209369353U CN 209369353 U CN209369353 U CN 209369353U CN 201822007474 U CN201822007474 U CN 201822007474U CN 209369353 U CN209369353 U CN 209369353U
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- screw rod
- positioning screw
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Abstract
The utility model discloses a kind of recyclable water-proof double-unit screws, belong to construction timber field.A kind of recyclable water-proof double-unit screw, including spacing screw rod, the first positioning screw, the second positioning screw, first sleeve, second sleeve, plastic sleeve, sealing piece, the first nut and the second nut；The right end of first sleeve offers first through hole；The left end of first sleeve offers the second through-hole, and the left end of second sleeve offers third through-hole；The right end of second sleeve offers fourth hole；First through hole, the second through-hole, third through-hole and fourth hole inner wall be carved with internal screw thread；The outer wall of spacing screw rod left and right ends, the outer wall of the first positioning screw, the second positioning screw outer wall be carved with external screw thread；The outer wall of spacing screw rod is fixed with plastic layer, and plastic sleeve is set on spacing screw rod；Sealing piece is fixed on the side wall of plastic sleeve.The utility model detachably recycles and has water-proof function, effectively improves service life.
Description
Technical field
The utility model relates to construction timber fields, more particularly to a kind of recyclable water-proof double-unit screw.
Background technique
The conventional construction method of control basement concrete exterior wall thickness of wall body is through walls using whole with steel plate waterstop strip
Screw arbor with nut at both-ends welds positioning steel-bar supporting template, and installation is more difficult；Welding sealing piece and spacer bar cause centainly environment
Pollution；Due to sealing piece solder skip or concrete setting when the micro-cracks that generate, part still will appear leakage phenomenon；Mixed
After the completion of solidifying soil pours, not only Screw arbor with nut at both-ends can not recycle reuse, and the screw rod for stretching out wall outer side makes the bad disassembly of template,
Work efficiency is low, and needs manually to be cut off with gas cutting, in addition, screw rod poor waterproof properties within the walls, cause within the walls screw rod service life it is short, wave
Take a large amount of steel, increases the construction cost of project.
Utility model content
In order to overcome the drawbacks of the prior art, a kind of recyclable the technical problem to be solved by the utility model is to propose
The water-proof double-unit screw utilized；The water-proof double-unit screw is waterproof and detachably recycles.
For this purpose, the utility model uses following technical scheme:
The utility model provides a kind of recyclable water-proof double-unit screw, including spacing screw rod, the first positioning spiral shell
Bar, the second positioning screw, first sleeve, second sleeve, plastic sleeve, sealing piece, the first nut and the second nut；
First positioning screw, second positioning screw are located at the left and right sides of the spacing screw rod；
The right end of the first sleeve offers first through hole；
The left end of the first sleeve offers the second through-hole, and second through-hole is mutually interconnected with the first through hole
It is logical；
The left end of the second sleeve offers third through-hole；
The right end of the second sleeve offers fourth hole, and the fourth hole is mutually interconnected with the third through-hole
It is logical；
The first through hole, the second through-hole, third through-hole and fourth hole inner wall be carved with internal screw thread；
The outer wall of spacing screw rod left and right ends, the outer wall of first positioning screw, second positioning screw
Outer wall is carved with external screw thread；
The right end of first positioning screw is connect with second through hole whorl, the left end of the spacing screw rod with it is described
First through hole is threadedly coupled, and the right end of the spacing screw rod is threadedly coupled with the third through-hole, second positioning screw
Left end is threadedly coupled with the fourth hole；
The plastic sleeve is set on the spacing screw rod；
First nut, second nut are located at the two sides of the spacing screw rod, and first spiro cap
It is located on first positioning screw, second nut is set on second positioning screw；
The outer wall of the spacing screw rod is fixed with plastic layer；
The plastic layer is between the spacing screw rod and the plastic sleeve；
The sealing piece is fixed on the side wall of the plastic sleeve.
It optionally, further include the first sealing-plug, the second sealing-plug；
The left end of first positioning screw, second positioning screw right end offer the first groove, second respectively
Groove；
First sealing-plug, second sealing-plug are filled in first groove, in the second groove respectively.
Optionally, the end surface of first nut, second nut end surface be respectively and fixedly provided with waterproof layer.
Optionally, anti-skid chequer is carved on the surface of the waterproof layer.
Optionally, thermal vias is offered in the first sleeve, in the second sleeve.
The utility model has the following beneficial effects:
The utility model is equipped with first sleeve, second sleeve, and the first positioning screw, the second positioning screw pass through first set
Cylinder, second sleeve are accurately threadedly coupled with spacing screw rod respectively, be equipped with it is multiple be interconnected and with certain depth and
The through-hole of internal screw thread accurately controls connection depth and easy to disassemble recycles.In addition spacing screw rod is arranged with moulds for waterproof
Expect sleeve, and be also bonded with plastic layer between spacing screw rod and plastic sleeve, further increases the waterproofness of spacing screw rod, thus
Improve the useful life of spacing screw rod.
Detailed description of the invention
Fig. 1 is that a kind of structure for recyclable water-proof double-unit screw that specific embodiment of the present invention provides is shown
It is intended to；
Fig. 2 is a kind of part knot for recyclable water-proof double-unit screw that specific embodiment of the present invention provides
Structure enlarged diagram；
Fig. 3 is a kind of part knot for recyclable water-proof double-unit screw that specific embodiment of the present invention provides
Structure enlarged diagram.
In figure:
1, spacing screw rod；2, the first positioning screw；3, the second positioning screw；4, first sleeve；5, second sleeve；6, plastics
Sleeve；7, sealing piece；8, the first nut；9, the second nut；10, external screw thread；11, first through hole；12, internal screw thread；13, second is logical
Hole；14, third through-hole；15, fourth hole；16, the first heat release hole；17, waterproof layer；171, anti-skid chequer；18, the first sealing-plug；
19, the second sealing-plug；20, the first groove；21, the second groove；22, plastic layer.
Specific embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
The structure for showing to Fig. 1 exemplary a kind of recyclable water-proof double-unit screw provided by the utility model is shown
It is intended to；Show to Fig. 2 exemplary the partial structural diagram of a piston provided by the utility model；Show to Fig. 3 exemplary
The partial structural diagram of a piston provided by the utility model；As shown in Figure 1, Figure 2 and shown in Fig. 3, one kind is Ke Xunhuanliyong
Water-proof double-unit screw, including spacing screw rod 1, the first positioning screw 2, the second positioning screw 3, first sleeve 4, second sleeve 5,
Plastic sleeve 6, sealing piece 7, the first nut 8 and the second nut 9；First positioning screw 2, the second positioning screw 3 are located at
The left and right sides of spacing screw rod 1；The right end of first sleeve 4 offers first through hole 11；The left end of first sleeve 4 offers second
Through-hole 13, and the second through-hole 13 is interconnected with first through hole 11；The left end of second sleeve 5 offers third through-hole 14；Second
The right end of sleeve 5 offers fourth hole 15, and fourth hole 15 and third through-hole 14 are interconnected；First through hole 11, second
The inner wall of through-hole 13, third through-hole 14 and fourth hole 15 is carved with internal screw thread 12；The outer wall of 1 left and right ends of spacing screw rod,
The outer wall of first positioning screw 2, the second positioning screw 3 outer wall be carved with external screw thread 10；The right end of first positioning screw 2 and
Two through-holes 13 are threadedly coupled, and the left end of spacing screw rod 1 is threadedly coupled with first through hole 11, and the right end and third of spacing screw rod 1 are logical
Hole 14 is threadedly coupled, and the left end of the second positioning screw 3 is threadedly coupled with fourth hole 15；Plastic sleeve 6 is set in spacing screw rod 1
On；First nut 8, the second nut 9 are located at the two sides of spacing screw rod 1, and the first nut 8 is set in the first positioning screw 2
On, the second nut 9 is set on the second positioning screw 3；The outer wall of spacing screw rod 1 is fixed with plastic layer 22；Plastic layer 22 is located at
Between spacing screw rod 1 and plastic sleeve 6；Sealing piece 7 is fixed on the side wall of plastic sleeve 6.
The water-proof double-unit screw is easy to disassemble and has preferable waterproofness, avoids in wall in infiltration to spacing screw rod 1
Spacing screw rod 1 is caused to get rusty.The cross section diameter of first sleeve 4 is sequentially reduced from left to right, the cross section of second sleeve 5
Diameter is sequentially increased from left to right.Level offers first through hole 11, the second through-hole 13, first through hole in first sleeve 4
11 diameter is different from the diameter of the second through-hole 13, but first through hole 11 and the second through-hole 13 are concentric, can respectively with positioning
Screw rod 1, the first positioning screw 2 are accurately threadedly coupled, and avoid that contiguity can not be held.The diameter and four-way of third through-hole 14
The diameter in hole 15 is different, but third through-hole 14 and fourth hole 15 are concentric, can position spiral shell with positioning screw 1, second respectively
Bar 3 accurately be threadedly coupled, be connected through a screw thread it is easy to disassemble, can be recycled.In addition, being arranged in spacing screw rod 1 for preventing
The plastic sleeve 6 of water, and be also bonded with plastic layer 22 between spacing screw rod 1 and plastic sleeve 6 and carry out double waterproof settings, further
Moisture and positioning screw 1 is isolated, avoids the contact positioning screw 1 of moisture penetration within the walls and positioning screw 1 is caused to get rusty.Plastic layer 22
The surface of positioning screw 1 can be bonded in by epoxy gluing agent, epoxy gluing agent has the characteristics that good water-proof effect.
Plastic sleeve 6 and plastic layer 22 can choose pvc material and be made, the lower cost for material, and have from fire-retardant spy
Property.As described in not specific, the above is fixedly connected with the connection type that can choose welding.
It optionally, further include the first sealing-plug 18, the second sealing-plug 19；The left end of first positioning screw 2, the second positioning spiral shell
The right end of bar 3 offers the first groove 20, the second groove 21 respectively；First sealing-plug 18, the second sealing-plug 19 are filled in respectively
In first groove 20, the second groove 21.First groove 20 is set, the positioning of the first positioning screw 2, second can be improved in the second groove 21
The contact area of screw rod 3 and air, logical heat transfer distribute heat, when not needing under heat dispersal situations, can pass through the first sealing-plug
18, the second sealing-plug 19 is filled in the first groove 20, in the second groove 21, avoids the first positioning screw 2, the second positioning screw 3
It gets rusty for a long time with outside air and contact with moisture.First sealing-plug 18, the second sealing-plug 19 can choose nitrile rubber material
Material is made, which has water resistance, air-tightness.
Optionally, the end surface of the first nut 8, the second nut 9 end surface be respectively and fixedly provided with waterproof layer 17.Setting is anti-
Water layer 17 can effectively avoid the first nut 8, the second nut 9 gets rusty.Waterproof layer 17 can be made of nitrile rubber, material tool
There is preferable waterproofness.
Optionally, anti-skid chequer 171 is carved on the surface of waterproof layer 17.Setting anti-skid chequer 171 effectively improves the first nut 8, the
The skid resistance of two nuts 9, convenient for being manually screwed into.
Optionally, thermal vias 16 is offered in first sleeve 4, in second sleeve 5.Since setting thermal vias 16 subtracts
Light first sleeve 4, the quality of second sleeve 5, also can effectively radiate.
The utility model is described with reference to the preferred embodiments, and those skilled in the art know, is not departing from this reality
In the case where with novel spirit and scope, various changes or equivalence replacement can be carried out to these features and embodiment.This reality
It is not limited to the particular embodiment disclosed with novel, other embodiments fallen into claims hereof all belong to
In the range of the utility model protection.
Claims (5)
1. a kind of recyclable water-proof double-unit screw, it is characterised in that:
Including spacing screw rod (1), the first positioning screw (2), the second positioning screw (3), first sleeve (4), second sleeve (5),
Plastic sleeve (6), sealing piece (7), the first nut (8) and the second nut (9)；
First positioning screw (2), second positioning screw (3) are located at the left and right sides of the spacing screw rod (1)；
The right end of the first sleeve (4) offers first through hole (11)；
The left end of the first sleeve (4) offers the second through-hole (13), and second through-hole (13) and the first through hole
(11) it is interconnected；
The left end of the second sleeve (5) offers third through-hole (14)；
The right end of the second sleeve (5) offers fourth hole (15), and the fourth hole (15) and the third through-hole
(14) it is interconnected；
The first through hole (11), the second through-hole (13), third through-hole (14) and fourth hole (15) inner wall be carved in
Screw thread (12)；
Outer wall, second positioning screw of the outer walls of spacing screw rod (1) left and right ends, first positioning screw (2)
(3) outer wall is carved with external screw thread (10)；
The right end of first positioning screw (2) is threadedly coupled with second through-hole (13), the left end of the spacing screw rod (1)
It is threadedly coupled with the first through hole (11), the right end of the spacing screw rod (1) is threadedly coupled with the third through-hole (14), institute
The left end for stating the second positioning screw (3) is threadedly coupled with the fourth hole (15)；
The plastic sleeve (6) is set on the spacing screw rod (1)；
First nut (8), second nut (9) are located at the two sides of the spacing screw rod (1), and first spiral shell
Cap (8) is set on first positioning screw (2), and second nut (9) is set on second positioning screw (3)；
The outer wall of the spacing screw rod (1) is fixed with plastic layer (22)；
The plastic layer (22) is between the spacing screw rod (1) and the plastic sleeve (6)；
The sealing piece (7) is fixed on the side wall of the plastic sleeve (6).
2. a kind of recyclable water-proof double-unit screw as described in claim 1, it is characterised in that:
It further include the first sealing-plug (18), the second sealing-plug (19)；
The left end of first positioning screw (2), the right end of second positioning screw (3) offer the first groove respectively
(20), the second groove (21)；
First sealing-plug (18), second sealing-plug (19) are filled in first groove (20), the second groove respectively
(21) in.
3. a kind of recyclable water-proof double-unit screw as described in claim 1, it is characterised in that:
The end surface of first nut (8), the end surface of second nut (9) are respectively and fixedly provided with waterproof layer (17).
4. a kind of recyclable water-proof double-unit screw as claimed in claim 3, it is characterised in that:
It is carved with anti-skid chequer (171) in the surface of the waterproof layer (17).
5. a kind of recyclable water-proof double-unit screw as described in claim 1, it is characterised in that:
Thermal vias (16) are offered on the first sleeve (4), in the second sleeve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822007474.5U CN209369353U (en) | 2018-12-01 | 2018-12-01 | A kind of recyclable water-proof double-unit screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822007474.5U CN209369353U (en) | 2018-12-01 | 2018-12-01 | A kind of recyclable water-proof double-unit screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209369353U true CN209369353U (en) | 2019-09-10 |
Family
ID=67834667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822007474.5U Active CN209369353U (en) | 2018-12-01 | 2018-12-01 | A kind of recyclable water-proof double-unit screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209369353U (en) |
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2018
- 2018-12-01 CN CN201822007474.5U patent/CN209369353U/en active Active
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