Split bolt structure for high wall body formwork
By designing the pull bolt structure for high wall formwork, using limit grooves and protection mechanisms, the problem of material and labor waste in the existing technology is solved, convenient disassembly and assembly and stable connection are achieved, and the service life of the sleeve is extended.
Patent Information
- Application Number
- CN202422256807.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-14
- Publication Date
- 2025-08-12
- Estimated Expiration
- 2034-09-14
AI Technical Summary
After the existing pull-out bolt structure is used to support the formwork and pour concrete, the middle part of the main screw needs to be buried in the concrete and cut off both ends, resulting in waste of material and labor, especially in high-frame structures.
A pull bolt structure for high wall formwork is designed, including a screw, a sleeve and a protection mechanism. Through the coordination of the limiting groove and the limiting assembly, the screw and the sleeve are stablely connected, and the protection mechanism is used to reduce wear and extend the service life of the sleeve.
It realizes convenient disassembly and assembles the screw and the sleeve, reduces material and labor waste, improves connection stability, and extends the service life of the sleeve.
Smart Images

Figure CN223214959U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tension bolts, in particular to a tension bolt structure for high wall formwork. Background Art
[0002] Tension bolts are a key component used in construction projects. They are mainly used to tie the inner and outer wall formwork to withstand the lateral pressure of concrete and other loads, ensuring that the spacing between the inner and outer formwork meets the design requirements.
[0003] In the existing tension bolt structure, after using ordinary tension bolts to support the formwork and pour concrete, it is necessary to bury the middle part of the main screw in the concrete and cut off the two ends of the main screw. Since the frame columns in the frame structure are very high, a large number of tension bolts are required during the pouring process, which causes waste of materials and labor. Utility Model Content
[0004] The utility model discloses a tension bolt structure for high wall formwork, which aims to solve the technical problem that, after the conventional tension bolt structure uses ordinary tension bolts to support the formwork and pour concrete, it is necessary to bury the middle part of the main screw in the concrete and cut off the two end parts of the main screw; since the frame columns in the frame structure are very high, a large number of tension bolts need to be used during the pouring process, which causes waste of materials and labor.
[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:
[0006] A tension bolt structure for high wall formwork, including a screw rod, both ends of the screw rod are threadedly connected to nuts, both ends of the screw rod are located on one side of the nut and are threadedly connected to fasteners, both ends of the screw rod are provided with threads, and also includes an auxiliary mechanism: the auxiliary mechanism includes a sleeve arranged at the outer center of the screw rod, limiting grooves are provided on both sides of the inner wall of the sleeve, and both ends of the outer wall of the screw rod are fixedly connected to limiting components for limiting; a protective mechanism: the protective mechanism is arranged at both ends of the sleeve, and the protective mechanism is used to provide protection for the connection between the screw rod and the sleeve.
[0007] By setting up an auxiliary mechanism, the user inserts the screw into the sleeve to make the screw slide along the guide track of the limit groove. At the same time, by rotating the screw clockwise, the limit assembly fixedly connected at both ends of the outer wall of the screw can be slid and engaged inside the limit groove.
[0008] In a preferred solution, the protection mechanism includes auxiliary rings provided at both ends of the sleeve, and a protective layer is provided on the inner side of the auxiliary rings.
[0009] By providing a protective mechanism, the outer surface of the screw can be brought into contact with the inner wall of the auxiliary ring during the process of inserting the screw into the sleeve, thereby preventing the outer wall of the screw from sliding and causing wear on the inner wall of the sleeve.
[0010] In a preferred solution, an anti-wear ring is installed on the inner side of the protective layer.
[0011] By providing an anti-wear ring, the friction generated between the screw and the sleeve can be reduced during the process of disassembling, assembling and pulling.
[0012] In a preferred solution, connecting grooves are provided at both ends of one side of the auxiliary ring, and the connecting grooves are aligned with the limiting grooves.
[0013] By providing the connecting groove, the screw and the sleeve can be quickly disassembled and assembled.
[0014] In a preferred solution, the limiting assembly includes limiting blocks arranged on both sides of the outer wall of the screw, and the size of the limiting blocks is adapted to the size of the limiting groove.
[0015] By providing a limiting component, the connection stability between the screw and the sleeve can be increased.
[0016] In a preferred solution, the sleeve is made of polyvinyl chloride resin.
[0017] The setting increases the overall corrosion resistance of the sleeve and the erosion resistance of acid, alkali, salt and oil media.
[0018] In a preferred solution, the limiting groove is in the shape of an L-shaped groove, and the screw and the sleeve are snap-fitted.
[0019] The utility model discloses a tension bolt structure for a high wall formwork, which has the following beneficial effects.
[0020] First, by providing an auxiliary mechanism, the user inserts the screw into the sleeve, causing the screw to slide along the guide track of the limit groove. At the same time, by rotating the screw clockwise, the limit assemblies fixedly connected at both ends of the outer wall of the screw can be slid and engaged in the limit groove, which can facilitate the disassembly and assembly between the screw and the sleeve and increase the stability of the connection between the screw and the sleeve.
[0021] Secondly, by setting up a protective mechanism, the outer surface of the screw can be brought into contact with the inner wall of the auxiliary ring during the process of inserting the screw into the sleeve, thereby preventing the outer wall of the screw from sliding and causing wear on the inner wall of the sleeve, thereby extending the service life of the sleeve. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1This is an axonometric view of a tension bolt structure for a high wall formwork proposed in the utility model.
[0023] Figure 2 This is a disassembled diagram of a tension bolt structure for a high wall formwork proposed in the utility model.
[0024] Figure 3 This is a cross-sectional view of an auxiliary ring of a tension bolt structure for a high wall formwork proposed by the utility model.
[0025] Figure 4 The utility model proposes a tension bolt structure for high wall formwork Figure 1 Cross-sectional view at point A in the middle.
[0026] Figure 5 This is an exploded view of a tension bolt structure for a high wall formwork proposed in the utility model.
[0027] In the accompanying drawings: 1. screw; 2. nut; 3. fastener; 4. thread; 5. limit block; 6. sleeve; 7. auxiliary ring; 8. limit groove; 9. protective layer. DETAILED DESCRIPTION
[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.
[0029] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.
[0030] The utility model discloses a tension bolt structure for high wall formwork, which mainly applies the existing tension bolt structure. After using ordinary tension bolts to support the formwork and pouring concrete, it is necessary to bury the middle part of the main screw in the concrete and cut off the two end parts of the main screw, because the frame columns in the frame structure are very high.
[0031] Reference Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5A tension bolt structure for a high wall formwork comprises a screw rod 1, both ends of the screw rod 1 are threadedly connected to a nut 2, both ends of the screw rod 1 are threadedly connected to a fastener 3 on one side of the nut 2, both ends of the screw rod 1 are provided with a thread 4, and also includes an auxiliary mechanism: the auxiliary mechanism comprises a sleeve 6 which is arranged at the outer center of the screw rod 1, and limiting grooves 8 are provided on both sides of the inner wall of the sleeve 6, and both ends of the outer wall of the screw rod 1 are fixedly connected with a limiting assembly for limiting; a protective mechanism: the protective mechanism is arranged at both ends of the sleeve 6, and the protective mechanism is used to provide protection for the connection between the screw 1 and the sleeve 6.
[0032] In this solution, before the construction workers insert the tension bolts into the high wall formwork, the construction workers insert the screw 1 into the sleeve 6 so that the screw 1 slides along the guide track of the limit groove 8. At the same time, by rotating the screw 1 clockwise, the limit components fixedly connected at both ends of the outer wall of the screw 1 can be slid and engaged inside the limit groove 8. At the same time, by setting up a protective mechanism, the sliding of the outer wall of the screw 1 can be prevented from causing wear to the inner wall of the sleeve 6, thereby extending the service life of the sleeve 6.
[0033] In this solution, by setting up a protective mechanism, during the process of inserting the screw 1 into the sleeve 6, the outer surface of the screw 1 can be brought into contact with the inner wall of the auxiliary ring 7, thereby preventing the outer wall of the screw 1 from sliding and causing wear on the inner wall of the sleeve 6.
[0034] Further, refer to Figure 1 and Figure 3 In a preferred embodiment, an anti-wear ring is installed on the inner side of the protective layer 9. By providing the anti-wear ring, the friction generated between the screw 1 and the sleeve 6 can be reduced during the process of disassembling, assembling and pulling.
[0035] Among them, reference Figure 3 and Figure 5 In a preferred embodiment, connecting grooves are provided at both ends of one side of the auxiliary ring 7, and the connecting grooves are aligned with the limiting grooves 8. By providing the connecting grooves, the screw 1 and the sleeve 6 can be quickly disassembled and assembled.
[0036] Further, refer to Figure 2 and Figure 4 In a preferred embodiment, the limiting assembly includes limiting blocks 5 arranged on both sides of the outer wall of the screw 1. The size of the limiting blocks 5 is adapted to the size of the limiting groove 8. By setting the limiting assembly, the connection stability between the screw 1 and the sleeve 6 can be increased.
[0037] Among them, reference Figure 1 and Figure 5 In a preferred embodiment, the material of the sleeve 6 is polyvinyl chloride resin, and the overall corrosion resistance of the sleeve 6 is increased by setting the corrosion resistance of the sleeve 6 to be strong and resistant to acid, alkali, salt and oil media.
[0038] Working principle: Before the construction workers insert the tension bolts into the high wall formwork;
[0039] First, the construction personnel insert the screw rod 1 into the sleeve 6, so that the screw rod 1 slides along the guide track of the limit groove 8. At the same time, by rotating the screw rod 1 clockwise, the limit blocks 5 fixedly connected at both ends of the outer wall of the screw rod 1 can be slid and engaged in the limit groove 8. The protection mechanism includes auxiliary rings 7 provided at both ends of the sleeve 6, and a protective layer 9 is provided on the inner side of the auxiliary ring 7.
[0040] Next, when the screw 1 is inserted into the sleeve 6 , the outer surface of the screw 1 can be brought into contact with the inner wall of the auxiliary ring 7 , thereby preventing the outer wall of the screw 1 from sliding and causing wear on the inner wall of the sleeve 6 .
[0041] The above are merely preferred embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Replacements may include partial structures, devices, or method steps, or they may be complete technical solutions. Equivalent replacements or modifications based on the technical solution and its concept of the present invention are also encompassed within the scope of protection of the present invention.
Claims
1. A tension bolt structure for a high wall formwork, comprising a screw rod (1), both ends of the screw rod (1) being threadedly connected to a nut (2), both ends of the screw rod (1) being threadedly connected to a fastener (3) on one side of the nut (2), and both ends of the screw rod (1) being provided with a thread (4), characterized in that: Also includes: Auxiliary mechanism: The auxiliary mechanism comprises a sleeve (6) arranged at the center of the outer portion of the screw (1), and limiting grooves (8) are provided on both sides of the inner wall of the sleeve (6), and limiting components for limiting are fixedly connected to both ends of the outer wall of the screw (1); Protection mechanism: The protection mechanism is provided at both ends of the sleeve (6), and is used to provide protection for the connection between the screw (1) and the sleeve (6); The protection mechanism comprises auxiliary rings (7) arranged at both ends of the sleeve (6), and a protective layer (9) is provided on the inner side of the auxiliary rings (7).
2. A tension bolt structure for high wall formwork according to claim 1, characterized in that: An anti-wear ring is installed on the inner side of the protective layer (9).
3. A tension bolt structure for high wall formwork according to claim 2, characterized in that: Connecting grooves are provided at both ends of one side of the auxiliary ring (7), and the connecting grooves are aligned with the limiting grooves (8).
4. A tension bolt structure for high wall formwork according to claim 3, characterized in that: The limiting assembly comprises limiting blocks (5) arranged on both sides of the outer wall of the screw (1), and the size of the limiting blocks (5) is adapted to the size of the limiting groove (8).
5. The tension bolt structure for high wall formwork according to claim 4, characterized in that: The limiting groove (8) is in the shape of an L-shaped groove, and the screw (1) and the sleeve (6) are in a snap-fit connection.
6. The tension bolt structure for high wall formwork according to claim 5, characterized in that: The material of the sleeve (6) is polyvinyl chloride resin.