CN210396142U - Anti-leakage split screw - Google Patents
Anti-leakage split screw Download PDFInfo
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- CN210396142U CN210396142U CN201920726594.2U CN201920726594U CN210396142U CN 210396142 U CN210396142 U CN 210396142U CN 201920726594 U CN201920726594 U CN 201920726594U CN 210396142 U CN210396142 U CN 210396142U
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Abstract
The utility model discloses an anti-leakage split screw, which comprises a pair of screws (1), a pair of cast steel nuts (2), a pair of template back ridges (3) and a butt joint (4); the butt joint is arranged between the two wall formworks (6), is positioned in the middle of a wall body (5) to be poured and consists of two cylindrical joint units (41) which are arranged up and down and have opposite opening directions; the inner ends of the pair of screw rods are respectively provided with a threaded joint (11), the joint units are internally provided with internal threads matched with the threaded joints, and the inner ends of the pair of screw rods are respectively matched and screwed with the two joint units arranged up and down through the threaded joints by threads, so that the pair of screw rods are arranged in a vertically staggered manner, namely, a height difference is formed between the pair of screw rods; the outer ends of the pair of screw rods are respectively fixed on the outer side of the wall template through a pair of template back edges and a pair of cast steel nuts. The utility model discloses can prevent to drawing screw rod hole seepage in the work progress, improve engineering efficiency of construction and quality.
Description
Technical Field
The utility model relates to a construction tool especially relates to an antiseep is to drawing screw rod.
Background
The opposite-pulling screw rod is used for pulling the inner formwork and the outer formwork of the wall body to bear the lateral pressure and other loads of concrete, the space between the inner formwork and the outer formwork can meet the design requirement, and the opposite-pulling screw rod is also used as a fulcrum of the formwork and a supporting structure thereof, so that the arrangement of the opposite-pulling screw rod greatly influences the integrity, the rigidity and the strength of the formwork structure.
At present, most concrete cast-in-place structures inevitably leave split screw holes during wall construction, and no matter when a main body structure is constructed, the height difference of inner low and outer high is generated due to improper operation of workers; the problem of leakage of the wall surface, particularly the outer wall surface, can occur due to the fact that plugging is not in place in the later period or the plugging is not tight caused by substandard materials. Waterproof is as the important index of project quality evaluation, and in order to avoid the trouble that later stage maintenance brought, it is important and necessary to control the seepage condition that causes to the screw rod hole of drawing.
Disclosure of Invention
An object of the utility model is to provide an antiseep is to drawing screw rod can prevent to drawing screw rod hole seepage in the work progress, improves engineering efficiency of construction and quality.
The utility model discloses a realize like this:
an anti-leakage split screw comprises a pair of screws, a pair of cast steel nuts, a pair of template back edges and a butt joint; the butt joint is arranged between the two wall formworks and is positioned in the middle of a wall body to be poured, and the butt joint is composed of two cylindrical joint units which are arranged up and down and have opposite opening directions; the inner ends of the pair of screw rods are respectively provided with a threaded joint, the joint units are internally provided with internal threads matched with the threaded joints, and the inner ends of the pair of screw rods are respectively matched and screwed with the two joint units arranged up and down through the threaded joints by threads, so that the pair of screw rods are arranged in a vertically staggered manner, namely, a height difference is formed between the pair of screw rods; the outer ends of the pair of screw rods are respectively fixed on the outer side of the wall template through a pair of template back edges and a pair of cast steel nuts.
The butt joint is provided with two sleeve joint parts which are respectively and correspondingly arranged at the openings of the two joint units, the pair of screw rods are respectively sleeved with a sleeve, and the inner end of the sleeve is connected with the butt joint through the sleeve joint parts.
The screw rod is coaxially arranged with a sleeve, a joint unit, a sleeve joint part, a cast steel nut and a template back edge which are correspondingly connected with the screw rod.
The sleeve joint part is of a tubular structure, and the inner diameter of the sleeve joint part is matched with the outer diameter of the sleeve.
The sleeve is positioned between the sleeving part and the wall template.
The outer diameter of the sleeving part is larger than that of the joint unit.
Compared with the prior art, the utility model, following beneficial effect has:
1. the utility model discloses a butt joint makes a pair of counter-pull screw rod produce difference in height and drawknot in the wall body between the template in the outside, and butt joint can effectively prevent the wall body infiltration with the counter-pull screw rod hole that has the difference in height, has avoided building structure's potential safety hazard, improves construction quality and efficiency.
2. The utility model discloses a butt joint forms two butt-draw screw rod holes that the height was arranged, has reduced the shutoff degree of difficulty and the requirement in later stage, the shutoff of being convenient for.
3. The utility model discloses a screw rod passes through the screw thread and is connected with butt joint, and it is convenient to dismantle, makes the screw rod can have enough to meet the need the utilization, has controlled construction cost to a certain extent, has improved the practicality.
Drawings
FIG. 1 is a schematic view of the anti-leakage split screw of the present invention;
FIG. 2 is a front view of the screw rod of the anti-leakage split screw rod of the present invention;
FIG. 3 is a front view of the butt joint in the anti-leakage split screw of the present invention;
FIG. 4 is a cross-sectional view of the butt joint in the anti-leakage split screw of the present invention;
fig. 5 is a side view of the butt joint in the anti-leakage split screw of the present invention.
In the figure, 1 screw rod, 11 threaded joint, 12 sleeve, 2 cast steel nut, 3 template back edges, 4 butt joints, 41 joint units, 42 sleeve joint parts, 5 wall bodies and 6 wall templates.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
Referring to the attached figure 1, an anti-leakage split screw comprises a pair of screws 1, a pair of cast steel nuts 2, a pair of template back ridges 3 and a butt joint 4; the butt joint 4 is arranged between the two wall formworks 6, the butt joint 4 is positioned in the middle of the wall 5 to be poured, please refer to fig. 4, the butt joint 4 is composed of two cylindrical joint units 41 which are arranged up and down and have opposite opening directions; referring to fig. 2, the inner ends of a pair of screws 1 are respectively provided with a threaded joint 11, a joint unit 41 is internally provided with an internal thread matched with the threaded joint 11, and the inner ends of a pair of screws 1 are respectively matched and screwed with two joint units 41 arranged up and down through the threaded joint 11 by threads, so that the pair of screws 1 are arranged in a staggered manner up and down, that is, a height difference is formed between the pair of screws 1; the outer ends of the pair of screw rods 1 are respectively fixed on the outer side of the wall template 6 through a pair of template back edges 3 and a pair of cast steel nuts 2.
Referring to fig. 3 to 5, the butt joint 4 is provided with two sleeve-joint portions 42, the two sleeve-joint portions 42 are respectively and correspondingly disposed at the openings of the two joint units 41, the pair of screws 1 are respectively sleeved with the sleeves 12, and the inner ends of the sleeves 12 are connected to the butt joint 4 through the sleeve-joint portions 42, so as to facilitate the installation and fixation of the sleeves 12.
The screw rod 1 is coaxially arranged with a sleeve 12, a joint unit 41, a socket joint part 42, a cast steel nut 2 and a template back edge 3 which are correspondingly connected with the screw rod.
The sleeving part 42 is of a tubular structure, and the inner diameter of the sleeving part 42 is matched with the outer diameter of the sleeve 12, so that the inner end of the sleeve 12 can be conveniently connected and fixed.
The sleeve 12 is positioned between the sleeve joint part 42 and the wall template 6.
The outer diameter of the sleeve joint part 42 is larger than that of the joint unit 41, so that the sleeve joint part can be matched and sleeved with the sleeve 12 conveniently.
Referring to fig. 1 to 5, when the wall forms 6 are installed, the butt joint 4 is disposed at the middle position between the two wall forms 6, the two joint units 41 arranged up and down of the butt joint 4 enable a pair of screws 1 on the inner and outer wall surfaces to generate a natural height difference, the internal threads of the joint unit 41 are in threaded matching connection with the threaded joints 11 of the screws 1, the butt joint is simple, convenient and easy to assemble and disassemble, the plastic sleeve 12 can be fixed by the tubular sleeve joint part 42 arranged at the end part of the joint unit 41, the sleeve 12 is used for protecting the screws 1 when the wall body 5 is poured, the disassembly of the screws 1 can be facilitated when the wall forms 6 are disassembled, and the screws 1 can be recycled, so that the cost is saved. The outer side of the screw rod 1 is fixed on a template back edge 3 through a cast steel nut 2 matched with a threaded joint at the outer end of the screw rod 1 in the prior art, and the template back edge 3 is supported on the outer end face of a wall template 6, so that the pair of screw rods 1 are tied between the inner wall template and the outer wall template, and the wall body 5 can be poured. Pour and accomplish the back and unload screw rod 1, stay in the inside butt joint 4 of wall body 5 and indirectly can play the effect of supplementary shutoff, if take place the later stage shutoff not in place, or the not up to standard condition of plugging material, the setting of butt joint 4 and the difference in height of two split bolt holes that produce will hinder the infiltration of water also, can effectively avoid the quality hidden danger of later stage seepage.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, therefore, any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (6)
1. The utility model provides an antiseep split screw, characterized by: comprises a pair of screw rods (1), a pair of cast steel nuts (2), a pair of template back edges (3) and a butt joint (4); the butt joint (4) is arranged between the two wall formworks (6), the butt joint (4) is positioned in the middle of a wall body (5) to be poured, and the butt joint (4) is composed of two cylindrical joint units (41) which are arranged up and down and have opposite opening directions; the inner ends of the pair of screw rods (1) are respectively provided with a threaded joint (11), the joint units (41) are internally provided with internal threads matched with the threaded joints (11), and the inner ends of the pair of screw rods (1) are respectively matched and screwed with the two joint units (41) which are arranged up and down through the threads of the threaded joints (11), so that the pair of screw rods (1) are arranged up and down in a staggered manner, namely, a height difference is formed between the pair of screw rods (1); the outer ends of the pair of screw rods (1) are respectively fixed on the outer side of the wall template (6) through a pair of template back edges (3) and a pair of cast steel nuts (2).
2. The anti-leakage split screw according to claim 1, wherein: the butt joint (4) is provided with two sleeve-joint parts (42), the two sleeve-joint parts (42) are respectively and correspondingly arranged at the openings of the two joint units (41), the pair of screw rods (1) are respectively sleeved with the sleeves (12), and the inner ends of the sleeves (12) are connected with the butt joint (4) through the sleeve-joint parts (42).
3. The anti-leakage split screw according to claim 2, wherein: the screw rod (1) is coaxially arranged with a sleeve (12), a joint unit (41), a sleeve joint part (42), a cast steel nut (2) and a template back edge (3) which are correspondingly connected with the screw rod.
4. The anti-leakage split screw according to claim 2, wherein: the sleeve joint part (42) is of a tubular structure, and the inner diameter of the sleeve joint part (42) is matched with the outer diameter of the sleeve (12).
5. The anti-leakage split screw according to claim 2, wherein: the sleeve (12) is positioned between the sleeving part (42) and the wall template (6).
6. The anti-leakage split screw according to claim 2, wherein: the outer diameter of the sleeving part (42) is larger than that of the joint unit (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920726594.2U CN210396142U (en) | 2019-05-20 | 2019-05-20 | Anti-leakage split screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920726594.2U CN210396142U (en) | 2019-05-20 | 2019-05-20 | Anti-leakage split screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210396142U true CN210396142U (en) | 2020-04-24 |
Family
ID=70347991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920726594.2U Active CN210396142U (en) | 2019-05-20 | 2019-05-20 | Anti-leakage split screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210396142U (en) |
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2019
- 2019-05-20 CN CN201920726594.2U patent/CN210396142U/en active Active
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