Through-wall screw for constructional engineering

Abstract

The utility model provides a through-wall screw for constructional engineering, which relates to the technical field of through-wall screws and comprises a water stop structure, an inner threaded pipe, a threaded connector, a connecting rod, a first screw rod, a nut fixing structure and an outer side sealing structure. A water stop structure in the middle of the device is located in the middle of formworks on the two sides and located in a wall after the wall is poured, the airtightness between the middle of the device and the wall is guaranteed, and water is prevented from seeping out of a gap between the water stop structure and the wall; the template is fixed on the wall framework through nut fixing structures screwed on the outer sides of the first screw rods on the two sides; and the outer side sealing structure at the inner side end of the nut fixing structure ensures the leakproofness of fitting with the outer side of the formwork, water is prevented from seeping from a gap between the first screw rod and the through hole of the formwork, the waterproof performance of the through-wall screw is improved, and the occurrence probability of the water seepage phenomenon is reduced.

Description

Technical Field

[0001] This utility model relates to the field of through-wall screw technology, and in particular to a through-wall screw for building engineering. Background Technology

[0002] In construction engineering, through-wall screws have emerged to facilitate the fastening of formwork used during wall pouring. Through-wall screws are a commonly used connector for fixing formwork, and are favored by construction workers due to their ease of use and simple structure.

[0003] However, traditional through-wall screws have some shortcomings. They have poor waterproof performance and are prone to water seepage during use, which can have an adverse effect on the quality of the building walls. Utility Model Content

[0004] The purpose of this utility model is to provide a through-wall screw for building engineering, which has the advantage of improving the waterproof performance of through-wall screws and solves the technical problem that traditional through-wall screws have poor waterproof performance and are prone to water leakage.

[0005] This utility model provides a through-wall screw for building engineering, comprising:

[0006] The water-stopping structure has internally threaded pipes screwed to both ends;

[0007] Both sides of the internally threaded pipe are coaxially fixedly connected to the outer ends of the threaded pipes with threaded connectors, and the outer ends of the threaded connectors are screwed with connecting rods.

[0008] The outer end of the connecting rod is coaxially fixedly connected to a first screw, and the first screws on both sides are symmetrically equipped with nut fixing structures.

[0009] The inner end of the nut fixing structure is provided with an outer sealing structure, which is sleeved on the outer side of the first screw on the same side.

[0010] As a further optimization, to ensure the airtightness between the middle part of the device and the wall, and to prevent water from seeping out from the gap between the water-stopping structure and the wall, the water-stopping structure includes:

[0011] A circular steel plate, with a second screw vertically embedded in its center;

[0012] The second screw is slidably fitted with annular rubber rings on both sides, and the annular rubber rings on both sides are located on both sides of the circular steel plate;

[0013] The second screw has annular pressure plates slidably sleeved on both sides;

[0014] The inner end of the internally threaded tube abuts against the annular pressure plate, squeezing the annular rubber ring.

[0015] As a further optimization, to ensure the airtight seal between the inner end of the nut fixing structure and the outer side of the template, and to prevent water from seeping out from the gap between the first screw and the template through hole, the outer sealing structure includes:

[0016] A strip-shaped block, with an internally threaded through hole in its middle, and a first screw threaded into the internally threaded through hole;

[0017] A groove is provided in the middle of the inner side of the strip block, and an internal threaded through hole passes through the groove;

[0018] An annular sealing rubber gasket is adhered and fixed to the inner wall of the groove;

[0019] The inner end of the annular sealing rubber pad is attached to the outer side of the template, and the inner ring surface of the annular sealing rubber pad is attached to the outer wall of the first screw.

[0020] As a further optimization, in order to apply pressure to the templates on both sides of the wall and fix the templates to the wall frame, the nut fixing structure includes:

[0021] A strip plate, the middle of which is sleeved on the outside of the first screw;

[0022] A fixing nut is screwed onto the outer side of the first screw, which abuts against the outer side of the strip plate on the same side.

[0023] The outer sealing structure is glued and fixed to the inner side of the strip plate on the same side.

[0024] As a further optimization, in order to improve the stability of the strip plate after it is attached to the outside of the template, triangular protrusions are fixedly installed on both the upper and lower sides of the inner side of the strip plate, and the tips of the triangular protrusions are inserted into the outside of the template.

[0025] As a further optimization, in order to improve the mechanical strength of the connecting rod and make the device more pressure-bearing, a reinforcing structure is fixedly sleeved on the outer wall of the connecting rod, and the outer end of the reinforcing structure is sleeved on the first screw and extends to the outer wall of the template.

[0026] As a further optimization, in order to improve the mechanical strength of the connecting rod through the double-layer structure and the cylindrical connection structure between them, the reinforcing structure includes:

[0027] The inner sleeve has a cylindrical connecting structure fixedly fitted onto its outer wall;

[0028] An outer sleeve is fixedly sleeved at the outer end of the cylindrical connecting structure.

[0029] The inner sleeve is fixedly fitted onto the outside of the connecting rod.

[0030] As a further optimization, in order to further improve the mechanical strength of the connecting rod and make the device more pressure-bearing, the cylindrical connecting structure is a spirally distributed reinforcing rib.

[0031] As a further optimization, in order to facilitate the rotation of the first screw and thereby drive the connecting rod and the internal threaded tube to rotate, a ball handle is fixedly mounted on the outer end of the first screw, and gripping grooves are provided on both the front and rear sides of the outer wall of the ball handle.

[0032] As a further optimization, to facilitate the disassembly of the first threaded rod, connecting rod, and their respective structures after the wall has been poured and solidified, this portion of the structure can be reused. The threaded connector includes:

[0033] A tapered cylinder, the smaller end of which is fixedly sleeved onto the outside of an internally threaded tube;

[0034] The larger end of the conical cylinder is fitted with four corner nuts;

[0035] The inner end of the connecting rod is screwed into the four corner nuts.

[0036] This utility model provides an improved through-wall screw for building engineering, which has the following improvements and advantages compared with the prior art:

[0037] The water-stop structure in the middle of the device is located in the middle of the two side templates. After the wall is poured, it is located inside the wall to ensure the airtightness between the middle of the device and the wall, preventing water from seeping out from the gap between the water-stop structure and the wall. The two ends of the water-stop structure are screwed with internal threaded pipes. The outer end of the internal threaded pipe is screwed with the first screw through a threaded connector. The template is fixed to the wall frame by the nut fixing structure screwed to the outer side of the first screw on both sides. The outer sealing structure of the inner end of the nut fixing structure ensures the airtightness of the fit with the outer side of the template, preventing water from seeping out from the gap between the first screw and the template through hole, improving the waterproof performance of the through screw and reducing the probability of water seepage. Attached Figure Description

[0038] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0039] Figure 1 This is a schematic diagram of the structure of this utility model;

[0040] Figure 2 This is a schematic diagram of the water-stopping structure of this utility model;

[0041] Figure 3 This is a schematic diagram of the nut fixing structure of this utility model;

[0042] Figure 4 This is a schematic diagram of the outer sealing structure of this utility model;

[0043] Figure 5 This is a schematic diagram of the reinforcement structure of this utility model.

[0044] Explanation of reference numerals in the attached figures:

[0045] 1-Water-stopping structure, 11-Circular steel plate, 12-Second screw, 13-Annular rubber ring, 14-Annular pressure plate, 2-Internal threaded pipe, 3-Threaded connector, 31-Conical cylinder, 32-Four-corner nut, 4-Connecting rod, 5-First screw, 6-Nut fixing structure, 61-Strip plate, 62-Fixing nut, 63-Outer sealing structure, 631-Strip block, 632-Internal threaded through hole, 633-Groove, 634-Annular sealing rubber pad, 64-Triangular protrusion, 7-Reinforcement structure, 71-Outer sleeve, 72-Inner sleeve, 73-Cylindrical connection structure, 8-Spherical handle. Detailed Implementation

[0046] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0047] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0048] In the description of this utility model, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the stated features. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified. Furthermore, the terms "installed," "connected," and "linked" should be interpreted broadly; for example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0049] Please see Figure 1-5 This utility model provides a technical solution: a through-wall screw for construction engineering, comprising:

[0050] The water-stopping structure 1 has internally threaded pipes 2 screwed to both ends;

[0051] The outer ends of the internally threaded tubes 2 on both sides are coaxially fixedly connected to threaded connectors 3, and the outer ends of threaded connectors 3 are screwed to connecting rods 4. Threaded connectors 3 are used to connect internally threaded tubes 2 and connecting rods 4.

[0052] The outer end of the connecting rod 4 is coaxially fixedly connected to the first screw 5, and the two sides of the first screw 5 are symmetrically equipped with nut fixing structures 6. The template is fixed to the wall frame by the nut fixing structures 6 screwed to the outer side of the two sides of the first screw 5.

[0053] The inner end of the nut fixing structure 6 is provided with an outer sealing structure 63, which is sleeved on the outer side of the first screw 5 on the same side. The outer sealing structure 63 at the inner end of the nut fixing structure 6 ensures the airtightness of the fit with the outer side of the template, preventing water from seeping out from the gap between the first screw 5 and the template through hole, improving the waterproof performance of the through screw and reducing the probability of water seepage.

[0054] In some embodiments, to ensure the airtightness between the middle part of the device and the wall and to prevent water from seeping out from the gap between the water-stopping structure 1 and the wall, the water-stopping structure 1 includes:

[0055] A circular steel plate 11, with a second screw 12 vertically embedded in its middle;

[0056] The second screw 12 has annular rubber rings 13 slidably sleeved on both sides, and the annular rubber rings 13 are located on both sides of the circular steel plate 11.

[0057] The second screw 12 has annular pressure plates 14 slidably sleeved on both sides;

[0058] The inner end of the internally threaded pipe 2 abuts against the annular pressure plate 14, squeezing the annular rubber ring 13.

[0059] In use, after the wall is poured and solidified, the first screw 5 is rotated clockwise, causing the connecting rod 4 and the internal threaded tube 2 to rotate accordingly. The internal threaded tube 2 is then screwed inward onto the second screw 12, squeezing the annular pressure plate 14 to move inward. The inwardly moving annular pressure plate 14 squeezes the annular rubber ring 13, causing it to deform. The inner ring surface of the deformed annular rubber ring 13 seals the thread gap of the second screw 12, and the outer side of the annular rubber ring 13 fits more tightly against the gap in the wall, improving the airtightness between the ring and the wall and achieving a waterproof effect.

[0060] In some embodiments, to ensure the airtightness of the inner end of the nut fixing structure 6 in contact with the outer side of the template and to prevent water from seeping out from the gap between the first screw 5 and the template through hole, the outer sealing structure 63 includes:

[0061] The strip block 631 has an internal threaded through hole 632 in its middle part, and the first screw 5 is screwed into the internal threaded through hole 632;

[0062] A groove 633 is provided in the middle of the inner side of the strip block 631, and an internal threaded through hole 632 passes through the groove 633;

[0063] An annular sealing rubber gasket 634 is adhered and fixed to the inner wall of the groove 633;

[0064] The inner end of the annular sealing rubber gasket 634 is attached to the outer side of the template, and the inner ring surface of the annular sealing rubber gasket 634 is attached to the outer wall of the first screw 5.

[0065] During use, the inner end of the annular sealing rubber pad 634 protrudes from the groove 633, the strip block 631 is squeezed and adheres to the outer side of the template, the annular sealing rubber pad 634 is squeezed and deformed, after the annular sealing rubber pad 634 is deformed, the inner ring surface of the annular sealing rubber pad 634 seals the thread gap of the first screw 5, and the outer side of the annular sealing rubber pad 634 adheres more tightly to the template, improving the airtightness between it and the template gap, and playing a waterproof role.

[0066] In some embodiments, in order to apply pressure to the templates on both sides of the wall and fix the templates to the wall frame, the nut fixing structure 6 includes:

[0067] The strip plate 61 has its middle part sleeved on the outside of the first screw 5;

[0068] A fixing nut 62 is screwed onto the outer side of the first screw 5, which abuts against the outer side of the strip plate 61 on the same side.

[0069] The outer sealing structure 63 is pasted and fixed to the inner side of the strip plate 61 on the same side. The fixing nut 62 is tightened to press the strip plate 61 against the outer side of the template on both sides, and the template is fixed to the wall frame.

[0070] In some embodiments, in order to improve the stability of the strip plate after it is attached to the outside of the template, triangular protrusions 64 are fixedly assembled on both the upper and lower sides of the inner side of the strip plate 61, and the tips of the triangular protrusions 64 are inserted into the outside of the template.

[0071] In some embodiments, in order to improve the mechanical strength of the connecting rod 4 and make the device more pressure-bearing, a reinforcing structure 7 is fixedly sleeved on the outer wall of the connecting rod 4, and the outer end of the reinforcing structure 7 is sleeved on the first screw 5 and extends to the outer wall of the template.

[0072] In some embodiments, to improve the mechanical strength of the connecting rod 4 through the double-layer structure and the cylindrical connection structure 743 between them, the reinforcing structure 7 includes:

[0073] The inner sleeve 72 has a cylindrical connecting structure 73 fixedly fitted onto its outer wall;

[0074] An outer sleeve 71 is fixedly sleeved at the outer end of the cylindrical connecting structure 73;

[0075] The inner sleeve 72 is fixedly sleeved on the outside of the connecting rod 4.

[0076] In some embodiments, in order to further improve the mechanical strength of the connecting rod 4 and make the device more pressure-bearing, the cylindrical connecting structure 73 is a spirally distributed reinforcing rib.

[0077] In some embodiments, in order to facilitate the rotation of the first screw 5, thereby driving the connecting rod 5 and the internal threaded tube 2 to rotate, a ball handle 8 is fixedly mounted on the outer end of the first screw 5, and gripping grooves are provided on both the front and rear sides of the outer wall of the ball handle 8. The gripping grooves are used to improve the gripping friction. The ball handle 8 can be rotated by hand gripping, and can also be rotated by mechanical clamping when the rotation resistance is large.

[0078] In some embodiments, to facilitate the disassembly of the first screw 5, the connecting rod 4, and the structures on both after the wall has been poured and solidified, this part of the structure can be reused. The threaded connector 3 includes:

[0079] A tapered cylinder 31, the smaller end of which is fixedly sleeved on the outside of the internally threaded tube 2;

[0080] The larger end of the tapered cylinder 31 is fitted with a four-corner nut 32;

[0081] The inner end of the connecting rod 4 is screwed into the four corner nuts 32. When the first screw 5 is rotated counterclockwise, it drives the connecting rod 4 to rotate in the opposite direction. The connecting rod 4 is screwed off from the four corner nuts 32. The outer end of the reinforcing structure 7 is sleeved on the first screw 5 and extends to the outer wall of the template. It can be disassembled together with the first screw 5 and the connecting rod 4.

[0082] Working principle:

[0083] Both ends of the water-stop structure 1 are screwed with internal threaded pipes 2. The outer ends of the internal threaded pipes 2 on both sides are coaxially fixedly connected with threaded connectors 3, and the outer ends of the threaded connectors 3 are screwed with connecting rods 4. The outer ends of the connecting rods 4 are coaxially fixedly connected with first screws 5. The template is fixed to the wall frame by the nut fixing structure 6 screwed to the outer sides of the first screws 5 on both sides. The water-stop structure 1 in the middle of the device is located in the middle of the templates on both sides. After the wall is poured, it is located inside the wall to ensure the airtightness between the middle of the device and the wall and prevent water from seeping out from the gap between the water-stop structure 1 and the wall.

[0084] The inner end of the nut fixing structure 6 is provided with an outer sealing structure 63, which is sleeved on the outer side of the first screw 5 on the same side. The outer sealing structure 63 at the inner end of the nut fixing structure 6 ensures the airtightness of the fit with the outer side of the template, preventing water from seeping out from the gap between the first screw 5 and the template through hole, improving the waterproof performance of the through screw and reducing the probability of water seepage.

[0085] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A through-wall screw for construction work, characterized by, The utility model provides a water stop structure, including: Water stop structure (1), both ends are screwed with internal thread pipe (2); Both sides external side end coaxial fixed connection of internal thread pipe (2) have screw joint (3), and screw joint (3) external side end is screwed with connecting rod (4); The outer wall of connecting rod (4) is fixedly sleeved with reinforcing structure (7), and the outer side end of reinforcing structure (7) is sleeved on the first screw rod (5) and extends to the outer wall of the template. The reinforcing structure (7) includes:

2. A through-wall screw for construction work according to claim 1, wherein Inner layer sleeve (72), the outer wall is fixedly sleeved with cylindrical connecting structure (73); The outer side end of cylindrical connecting structure (73) is fixedly sleeved with outer layer sleeve (71); The inner layer sleeve (72) is fixedly sleeved on the outer side of connecting rod (4). The cylindrical connecting structure (73) is a helical reinforcing rib distributed in a circle. The outer side end of first screw rod (5) is fixedly assembled with spherical handle (8), and the outer wall of spherical handle (8) is provided with gripping groove on the front and back sides.

3. The wall screw for construction work according to claim 1, wherein The screw joint (3) includes: Conical barrel (31), the smaller end is fixedly sleeved on the outer side of internal thread pipe (2); The larger end of conical barrel (31) is embeddedly assembled with four-cornered nut (32); The inner side end of connecting rod (4) is screwed into four-cornered nut (32). ​ 4. The wall screw for construction work according to claim 1, wherein ​ ​ ​ ​ 5. A through-wall screw for construction work according to claim 4, wherein ​ 6. The wall screw for construction work according to claim 1, wherein ​ 7. A through-wall screw for construction work according to claim 6, wherein ​ ​ ​ ​ 8. A through-wall screw for construction work according to claim 7, characterized in that ​ 9. The through-wall screw for construction work according to claim 1, wherein ​ 10. The through-wall screw for construction work according to claim 1, wherein ​ ​ ​ ​

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