Fastener for side formwork of vertical cast-in-place concrete member

By using a combination of threaded rods, fastening rods and limiting pipes in the side formwork fasteners, multi-point tightening and positioning of the formwork body is solved, and the problem of unsatisfactory tightening effect in the prior art is significantly improved.

CN222822817UActive Publication Date: 2025-05-02ANHUI RONGHONG CONSTRUCTION ENGINEERING CO LTD
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Patent Information

Application Number
CN202421417475.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-20
Publication Date
2025-05-02
Estimated Expiration
2034-06-20

AI Technical Summary

Technical Problem

The existing side formwork fasteners lack multiple fastening structures, resulting in poor tightening of the side formwork and the inability to stabilize the side formwork.

Method used

The structure including threaded rods, fastening rods and concrete walls is adopted. Through the combination of limiting pipes, positioning parts, fastening rings and movable parts, multi-point tightening of the formwork body is achieved, and the fixity of the fastening ring is enhanced through the coordination of the positioning blocks and limiting plates.

Benefits of technology

Through the cooperation of multi-point fastening and positioning blocks, the fastening ring is avoided from loosening due to external vibration, which significantly improves the stable tightening effect of the template body.

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Abstract

The utility model relates to the field of formwork fasteners, and discloses a vertical cast-in-place concrete member side face formwork fastener which comprises threaded rods, fastening rods and a concrete wall, formwork bodies are fixedly connected to the two ends of the concrete wall, the threaded rods are movably installed on the inner sides of limiting pipes, and positioning pieces are movably installed on the peripheries of the threaded rods at the two ends of the limiting pipes; fastening rings are movably installed on the peripheries of the threaded rods at the two ends of the positioning piece, positioning blocks are movably installed at the two ends of the threaded rods, limiting pieces are movably installed at the top of the movable piece, limiting blocks are movably installed at one ends of limiting pipes at the two sides of the positioning piece, and one ends of the limiting blocks are fixedly connected with fastening rods. Through cooperative use of the fastening rod, the positioning block, the fastening rod and the movable part, the situation that the fastening ring is loosened due to the influence of external vibration can be avoided, the stable effect of fixing the formwork body is guaranteed, the formwork body can be further fastened, and the stable effect of fastening the formwork body is improved.
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Description

Technical Field

[0001] The present application relates to the technical field of formwork fasteners, and in particular to a side formwork fastener for a vertical cast-in-place concrete member. Background Art

[0002] Concrete formwork refers to the formwork for forming newly poured concrete and a complete set of structural systems for supporting the formwork. There are various different stage-by-stage classification methods for the classification of formwork. According to the shape, it is divided into flat formwork and curved formwork; according to the force conditions, it is divided into load-bearing and non-load-bearing formwork. When performing vertical cast-in-place concrete, fasteners are needed to fasten the side formwork.

[0003] At present, the related side formwork fasteners have an unsatisfactory fastening effect on the side formwork due to the lack of multiple fastening structures, and are unable to fasten the side formwork more stably. Utility Model Content

[0004] In order to solve the problems raised in the above background technology, the present application provides a side formwork fastener for a vertical cast-in-place concrete member.

[0005] The present application provides a vertical cast-in-place concrete member side formwork fastener adopts the following technical solution:

[0006] A side formwork fastener for a vertical cast-in-place concrete component comprises a threaded rod, a fastening rod and a concrete wall, wherein the two ends of the concrete wall are fixedly connected to a formwork body, limit tubes are movably installed at the two ends of the formwork body, a threaded rod is movably installed on the inner side of the limit tube, positioning pieces are movably installed on the periphery of the threaded rod at both ends of the limit tube, fastening rings are movably installed on the periphery of the threaded rod at both ends of the positioning piece, positioning blocks are movably installed on both ends of the threaded rod, a movable piece is movably installed on the periphery of the limit tube, a limit plate is movably installed on the top of the movable piece, a limit block is movably installed on one end of the limit tubes on both sides of the positioning piece, a fastening rod is fixedly connected to one end of the limit block, and the fastening rod passes through the movable piece.

[0007] By installing the limit tubes to the two ends of the template body, by installing the threaded rod to the inner side of the limit tube, by installing the positioning piece to the periphery of the threaded rod, by screwing the fastening ring into the periphery of the threaded rod so that it pushes the positioning piece to move to contact with the limit tube, the template body is fastened by the cooperation of the positioning piece and the limit tube, by inserting the movable part into the periphery of the limit tube, and then installing the limit block to one end of the limit tube, inserting the fastening rod into the interior of the movable part, pulling the fastening rod so that the movable part and the limit block contact with the limit tube, and then nailing the limit sheet into the interior of the movable part and the fastening rod, the template body can be further fastened.

[0008] Preferably, a limiting groove is provided inside the fastening rod, and the limiting piece is embedded in the limiting groove.

[0009] By inserting the limiting sheet into the limiting groove, the friction between the fastening rod and the movable part is increased, so that the movable part and the fastening rod can be fixed.

[0010] Preferably, fixing holes are provided at both ends of the threaded rod, and the positioning blocks are engaged with the fixing holes.

[0011] The positioning block can be connected and fixed to the threaded rod by nailing the positioning block into the fixing hole.

[0012] Preferably, a slot is provided at the top of the interior of the movable part, and the limiting piece passes through the slot.

[0013] By inserting the limiting piece through the slot into the interior of the fastening rod, the slot can limit the position of the limiting piece.

[0014] Preferably, the movable parts at the top and bottom of the fastening rod are provided with insertion holes, and the limiting tubes pass through the insertion holes.

[0015] The movable part can be installed on the tightening rod by inserting the movable part into the interior of the tightening rod and making the limiting tube pass through the insertion hole.

[0016] In summary, this application includes the following beneficial technical effects:

[0017] The template body is fastened by the cooperation of the positioning piece and the limiting tube, and the positioning blocks are nailed into the two ends of the threaded rod. The position of the fastening ring is limited by the positioning block to prevent the fastening ring from loosening due to external vibration, thereby ensuring the stable effect of fixing the template body. The movable part is inserted into the outer periphery of the limiting tube, and the limiting block is installed to one end of the limiting tube, and the fastening rod is inserted into the interior of the movable part. The fastening rod is pulled to make the movable part and the limiting block contact and fix with the limiting tube, so that the template body can be further fastened, thereby improving the stable effect of fastening the template body. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an overall stereogram of an embodiment of the application;

[0019] Figure 2 It is a schematic diagram of the partial structure of the fastening rod and the movable part of the embodiment of the application;

[0020] Figure 3 It is a schematic diagram of the partial structure of the threaded rod and the fixing hole of the embodiment of the application.

[0021] Explanation of the accompanying drawings: 1. Limit block; 2. Limit tube; 3. Threaded rod; 301. Fixing hole; 4. Fastening rod; 401. Limit groove; 5. Movable part; 501. Slot; 6. Formwork body; 7. Concrete wall; 8. Positioning block; 9. Fastening ring; 10. Positioning part; 11. Limit plate; 12. Socket. DETAILED DESCRIPTION

[0022] The following is combined with Figure 1-3 This application is described in further detail.

[0023] The embodiment of the present application discloses a side formwork fastener for a vertical cast-in-place concrete member. Figure 1-3 A side formwork fastener for a vertical cast-in-place concrete member comprises a threaded rod 3, a fastening rod 4 and a concrete wall 7, wherein both ends of the concrete wall 7 are fixedly connected with a formwork body 6, both ends of the formwork body 6 are movably installed with a limiting tube 2, the inner side of the limiting tube 2 is movably installed with a threaded rod 3, the outer periphery of the threaded rod 3 at both ends of the limiting tube 2 is movably installed with a positioning piece 10, the outer periphery of the threaded rod 3 at both ends of the positioning piece 10 is movably installed with a fastening ring 9, both ends of the threaded rod 3 are movably installed with a positioning block 8, the outer periphery of the limiting tube 2 is movably installed with a movable part 5, the top of the movable part 5 is movably installed with a limiting plate 11, one end of the limiting tube 2 on both sides of the positioning piece 10 is movably installed with a limiting block 1, one end of the limiting block 1 is fixedly connected with a fastening rod 4, and the fastening rod 4 passes through the movable part 5.

[0024] After the staff has installed the formwork body 6, they will pour concrete vertically. After the pouring is completed, when the formwork body 6 is installed, the limiting tube 2 is installed to both ends of the formwork body 6, and the threaded rod 3 is installed to the inner side of the limiting tube 2, and the positioning piece 10 is installed to the periphery of the threaded rod 3, and the fastening ring 9 is screwed into the periphery of the threaded rod 3 so that the positioning piece 10 is pushed to move to contact with the limiting tube 2, and the formwork body 6 is fastened by the positioning piece 10 and the limiting tube 2. Then, the positioning block 8 is nailed into the two ends of the threaded rod 3, and the fastening ring is tightened by the positioning block 8. 9 is limited in position to prevent the fastening ring 9 from loosening due to external vibration, thereby ensuring the stable effect of fixing the template body 6. The staff can also insert the movable part 5 into the outer periphery of the limiting tube 2, and then install the limiting block 1 to one end of the limiting tube 2, so that the fastening rod 4 is inserted into the interior of the movable part 5, and the fastening rod 4 is pulled to make the movable part 5 and the limiting block 1 contact with the limiting tube 2, and then the limiting sheet 11 is nailed into the interior of the movable part 5 and the fastening rod 4, so as to further fasten the template body 6, thereby improving the stable effect of fastening the template body 6.

[0025] Reference Figure 2A limiting groove 401 is provided inside the fastening rod 4, and the limiting plate 11 is embedded in the limiting groove 401. By inserting the limiting plate 11 into the limiting groove 401, the friction between the fastening rod 4 and the movable part 5 is increased, so that the movable part 5 and the fastening rod 4 can be fixed.

[0026] Reference Figure 3 , fixing holes 301 are provided at both ends of the threaded rod 3, and the positioning block 8 is embedded in the fixing hole 301. By nailing the positioning block 8 into the fixing hole 301, the positioning block 8 can be connected and fixed to the threaded rod 3.

[0027] Reference Figure 2 A slot 501 is provided at the top of the movable part 5 , and the limiting piece 11 passes through the slot 501 . By inserting the limiting piece 11 through the slot 501 into the interior of the fastening rod 4 , the slot 501 can limit the position of the limiting piece 11 .

[0028] Reference Figure 2 , the movable part 5 at the top and bottom of the fastening rod 4 is provided with a socket 12, and the limiting tube 2 passes through the socket 12. By inserting the movable part 5 into the interior of the fastening rod 4 and making the limiting tube 2 pass through the socket 12, the movable part 5 can be installed on the fastening rod 4.

[0029] The implementation principle of a side formwork fastener for a vertical cast-in-place concrete member in an embodiment of the present application is as follows: by installing the limiting tube 2 to both ends of the formwork body 6, installing the threaded rod 3 to the inner side of the limiting tube 2, installing the positioning member 10 to the periphery of the threaded rod 3, screwing the fastening ring 9 into the periphery of the threaded rod 3 so that it pushes the positioning member 10 to fasten the formwork body 6, limiting the position of the fastening ring 9 by using the positioning block 8, inserting the movable part 5 into the periphery of the limiting tube 2, and then installing the limiting block 1 to one end of the limiting tube 2, so that the fastening rod 4 is inserted into the interior of the movable part 5, pulling the fastening rod 4, so that the movable part 5 and the limiting block 1 are in contact with the limiting tube 2, and the formwork body 6 is further fastened.

[0030] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0031] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0032] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

[0033] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A side formwork fastener for a vertical cast-in-place concrete member, comprising a threaded rod (3), a fastening rod (4) and a concrete wall (7), characterized in that: The two ends of the concrete wall (7) are fixedly connected to a formwork body (6); the two ends of the formwork body (6) are movably mounted with a limit tube (2); a threaded rod (3) is movably mounted on the inner side of the limit tube (2); positioning pieces (10) are movably mounted on the periphery of the threaded rod (3) at the two ends of the limit tube (2); fastening rings (9) are movably mounted on the periphery of the threaded rod (3) at the two ends of the positioning piece (10); positioning blocks (8) are movably mounted on both ends of the threaded rod (3); a movable piece (5) is movably mounted on the periphery of the limit tube (2); a limit plate (11) is movably mounted on the top of the movable piece (5); a limit block (1) is movably mounted on one end of the limit tube (2) on both sides of the positioning piece (10); a fastening rod (4) is fixedly connected to one end of the limit block (1), and the fastening rod (4) passes through the movable piece (5).

2. A vertical cast-in-place concrete member side formwork fastener according to claim 1, characterized in that: A limiting groove (401) is provided inside the fastening rod (4), and the limiting piece (11) is embedded in the limiting groove (401).

3. A vertical cast-in-place concrete member side formwork fastener according to claim 1, characterized in that: The threaded rod (3) is provided with fixing holes (301) at both ends thereof, and the positioning blocks (8) are engaged with the fixing holes (301).

4. A vertical cast-in-place concrete member side formwork fastener according to claim 1, characterized in that: A slot (501) is provided at the top end of the movable part (5), and a limiting piece (11) passes through the slot (501).

5. A vertical cast-in-place concrete member side formwork fastener according to claim 1, characterized in that: Insert holes (12) are provided inside the movable parts (5) at the top and bottom of the fastening rod (4), and the limiting tube (2) passes through the insert holes (12).