Novel movable fastener for supporting formwork system

Abstract

The utility model discloses a novel movable fastener for a supporting formwork system. The novel movable fastener comprises a first fastening part, a second fastening part and a fastening bolt, one end of the first buckling part is hinged to one end of the second buckling part through a rotating hinge shaft, and a pipe containing opening is formed between the first buckling part and the second buckling part. A bolt avoiding hole is formed in the other end of the first buckling part, and a bolt through hole is formed in the other end of the second buckling part; and a fastening bolt passes through the bolt through hole and the bolt avoiding hole to lock the first buckling part and the second buckling part. The reinforcing rods can be additionally arranged between the transverse rods of the supporting system according to needs, assembling and disassembling are convenient, the stability of the building formwork supporting system can be improved, and using flexibility is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of building templates, and particularly relates to a novel movable fastener for a supporting formwork system. Background Art

[0002] With the rapid development of the construction industry and the widespread use of cast-in-place concrete, the market for formwork support systems is booming. Formwork systems typically utilize both steel and wood as support components. In some cases, steel supports primary load-bearing components, while wood supports secondary or auxiliary load-bearing areas.

[0003] At present, in the early stage of pouring concrete components, a large amount of steel, wood and formwork are needed in the process of building the building formwork support system; when the concrete components are solidified and formed, as the strength of the concrete components increases, some of the steel, wood and formwork need to be removed from the building formwork support system, so as to improve the turnover efficiency of the steel, wood and formwork. During the early dismantling of some structures of the building formwork support system, it is necessary to ensure the stability of the entire support system. To this end, it is necessary to add some reinforcing rods between the cross bars of the support system, and these reinforcing rods need to be assembled and conveniently dismantled. Therefore, it is necessary to design a new type of movable fastener for the support formwork system to increase the stability of the building formwork support system and facilitate dismantling. Utility Model Content

[0004] To this end, the utility model provides a new type of movable fastener for supporting formwork system, which can quickly and conveniently arrange and remove reinforcement rods in the building formwork supporting system as needed, so as to better provide stability of the building formwork supporting system.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a novel movable fastener for a support formwork system, comprising a first fastening portion, a second fastening portion, and a fastening bolt; one end of the first fastening portion and one end of the second fastening portion are hingedly connected via a rotating hinge shaft, and a pipe receiving opening is formed between the first fastening portion and the second fastening portion;

[0006] A bolt avoidance hole is formed at the other end of the first buckling portion, and a bolt through hole is formed at the other end of the second buckling portion; the fastening bolt passes through the bolt through hole and the bolt avoidance hole to lock the first buckling portion and the second buckling portion.

[0007] As a preferred solution for the movable fastener for the new support formwork system, a steel pipe interface is formed on the outer side of the first fastening part, and the steel pipe interface is used to connect the transverse steel pipe in the building formwork support system on the outer side of the first fastening part.

[0008] As an optimal solution for the movable fastener for the new support formwork system, a steel pipe insertion key is formed on the outer side of the second fastening portion, and the width of the steel pipe insertion key near one end of the rotating hinge shaft is smaller than the width of the steel pipe insertion key near one end of the bolt through hole.

[0009] As a preferred solution for the movable fastener for the new support formwork system, a hinge head is formed at one end of the first fastening part, and a hinge groove is formed at one end of the second fastening part, and the hinge head is inserted into the interior of the hinge groove; the rotating hinge shaft is inserted into the hinge groove and the through opening on the hinge head.

[0010] As a preferred solution for the movable fastener for the new support formwork system, the width of the inner side of the steel pipe insertion key is smaller than the width of the outer side of the steel pipe insertion key.

[0011] As a preferred solution for the movable fastener for the new support formwork system, a receiving groove is formed on the outer side of the bolt through hole, and the fastening bolt includes a bolt head and a bolt body; the bolt head and the bolt body are connected to form a T shape;

[0012] The bolt body passes through the bolt through hole and the bolt avoidance hole; the bolt head is limited in the accommodating groove.

[0013] As a preferred solution for the movable fastener for the new support formwork system, the bolt body is tightened with a fastening nut, and the fastening nut is limited to the outside of the bolt avoidance hole.

[0014] The present invention has the following advantages: it comprises a first fastening portion, a second fastening portion, and a fastening bolt; one end of the first fastening portion and one end of the second fastening portion are hingedly connected via a rotating hinge, and a pipe receiving opening is formed between the first fastening portion and the second fastening portion; a bolt clearance hole is formed at the other end of the first fastening portion, and a bolt through hole is formed at the other end of the second fastening portion; the fastening bolt locks the first and second fastening portions through the bolt through hole and the bolt clearance hole. The present invention allows for the addition of reinforcement rods between the crossbars of the support system as needed, facilitating assembly and disassembly, increasing the stability of the building formwork support system, and providing enhanced flexibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the embodiments or the description of the prior art. Obviously, the drawings described below are merely exemplary, and those skilled in the art can, without inventive effort, derive other implementation drawings based on the provided drawings.

[0016] Figure 1This is a schematic diagram of the three-dimensional structure of the movable fastener for the new support formwork system provided in an embodiment of the present utility model;

[0017] Figure 2 A schematic diagram of the three-dimensional structure of the movable fastener for the new support formwork system provided in an embodiment of the present utility model from another perspective;

[0018] Figure 3 A top view schematic diagram of a movable fastener for a new support formwork system provided in an embodiment of the present utility model;

[0019] Figure 4 A schematic side view of a movable fastener for a new support formwork system provided in an embodiment of the present utility model;

[0020] Figure 5 This is a schematic diagram of the usage status of the movable fasteners for the new support formwork system provided in an embodiment of the present utility model.

[0021] In the figure, 1. First fastening part; 2. Second fastening part; 3. Fastening bolt; 4. Rotating hinge shaft; 5. Pipe accommodating opening; 6. Bolt through hole; 7. Bolt avoidance hole; 8. Steel pipe interface; 9. Steel pipe insertion key; 10. Hinge head; 11. Hinge groove; 12. Accommodating groove; 13. Bolt head; 14. Bolt body; 15. Fastening nut. DETAILED DESCRIPTION

[0022] The following describes the implementation of the present invention through specific embodiments. Those skilled in the art can readily understand the other advantages and benefits of the present invention from the contents disclosed in this specification. Obviously, the embodiments described are only a portion of the embodiments of the present invention, not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.

[0023] See also Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 The embodiment of the present invention provides a new type of movable fastener for a supporting formwork system, including a first fastening part 1, a second fastening part 2 and a fastening bolt 3; one end of the first fastening part 1 and one end of the second fastening part 2 are hinged by a rotating hinge shaft 4, and a pipe accommodating opening 5 is formed between the first fastening part 1 and the second fastening part 2; wherein, a bolt avoidance hole 7 is formed at the other end of the first fastening part 1, and a bolt through hole 6 is formed at the other end of the second fastening part 2; the fastening bolt 3 locks the first fastening part 1 and the second fastening part 2 through the bolt through hole 6 and the bolt avoidance hole 7.

[0024] Specifically, a movable fastener can be added to the cross bar of the building formwork support system through the pipe accommodating opening 5; the movable fastener is locked on the cross bar of the building formwork support system through the first fastening part 1 and the second fastening part 2. In order to increase reliability, the openings of the first fastening part 1 and the second fastening part 2 face downward; then the fastening bolt 3 is inserted into the bolt through hole 6 and the bolt avoidance hole 7 to lock the movable fastener.

[0025] In this embodiment, a steel pipe interface 8 is formed on the outside of the first fastening portion 1. The steel pipe interface 8 is used to connect to the transverse steel pipes in the building formwork support system on the outside of the first fastening portion 1. The steel pipe interface 8 can be used to assemble the transverse reinforcement steel pipes in the building formwork support system on the outside of the first fastening portion 1.

[0026] In this embodiment, a steel pipe insertion key 9 is formed on the outer side of the second fastening portion 2. The width of the steel pipe insertion key 9 near the rotating hinge shaft 4 is smaller than the width of the steel pipe insertion key 9 near the bolt through-hole 6. The inner width of the steel pipe insertion key 9 is smaller than the outer width of the steel pipe insertion key 9. During use of the movable fastener, the steel pipe insertion keys 9 are arranged vertically, narrower at the top and wider at the bottom, and narrower at the inside and wider at the outside. Existing steel pipe joints can be used to connect steel pipes as needed.

[0027] In this embodiment, a hinge 10 is formed at one end of the first fastening portion 1, and a hinge slot 11 is formed at one end of the second fastening portion 2. The hinge 10 is inserted into the hinge slot 11; the rotating hinge 4 is inserted into the hinge slot 11 and the opening of the hinge 10. The first fastening portion 1 and the second fastening portion 2 are assembled into a whole by the hinge 10, hinge slot 11, and rotating hinge 4. The first fastening portion 1 is opened or closed relative to the second fastening portion 2 by the hinge 10, hinge slot 11, and rotating hinge 4.

[0028] In a possible embodiment, a receiving groove 12 is formed on the outside of the bolt through hole 6, and the fastening bolt 3 includes a bolt head 13 and a bolt body 14; the bolt head 13 and the bolt body 14 are connected to form a T shape; the bolt body 14 passes through the bolt through hole 6 and the bolt avoidance hole 7; the bolt head 13 is limited in the receiving groove 12; the bolt body 14 is tightened with a fastening nut 15, and the fastening nut 15 is limited on the outside of the bolt avoidance hole 7.

[0029] Specifically, after the first fastening part 1 and the second fastening part 2 are butt-fastened together, the fastening bolt 3 is inserted into the bolt through hole 6 and the bolt avoidance hole 7 and fixed with the fastening nut 15. The design of the accommodating groove 12 accommodates the bolt head 13, which can avoid interference with the connected steel pipe and increase the firmness of the first fastening part 1 and the second fastening part 2.

[0030] See also Figure 5 The process of setting up the building formwork support system using the movable fasteners of this embodiment is as follows:

[0031] First, after using the main crossbar and vertical poles to erect the frame to the required construction height, an early-removal screw rod is installed on the top of the vertical pole, an early-removal sleeve and an early-removal clamp are set on the early-removal screw rod, and a top support guide sleeve is set on the early-removal sleeve; two support pipes can be placed and fixed between the first support claw, the second support claw, the third support claw and the fourth support claw of the top support guide sleeve, and then an adjustable movable support plate is installed on the top of the early-removal screw rod, a row of supporting wooden squares are set on the supporting pipe, and a supporting template is set on the supporting wooden squares to complete the erection of the frame.

[0032] Second, pour concrete. After the concrete reaches a certain strength, the supporting formwork is dismantled early. First, the supporting wood is removed, then the supporting pipe, and then part of the supporting formwork is removed, leaving part of the supporting formwork 22.

[0033] Third, remove some of the movable fasteners and some of the reinforcing crossbars of the support system, and then remove the remaining frames and supporting formwork after the concrete has completely solidified.

[0034] In summary, the present invention includes a first fastening portion 1, a second fastening portion 2, and a fastening bolt 3. One end of the first fastening portion 1 and one end of the second fastening portion 2 are hingedly connected via a rotating hinge 4, with a pipe receiving opening 5 formed between the first fastening portion 1 and the second fastening portion 2. The other end of the first fastening portion 1 is formed with a bolt clearance hole 7, and the other end of the second fastening portion 2 is formed with a bolt through-hole 6. The fastening bolt 3 locks the first fastening portion 1 and the second fastening portion 2 together through the bolt through-hole 6 and the bolt clearance hole 7. The pipe receiving opening 5 allows for the addition of a movable fastener to the crossbar of the building formwork support system. The movable fastener is locked to the crossbar of the building formwork support system via the first fastening portion 1 and the second fastening portion 2. To increase reliability, the openings of the first fastening portion 1 and the second fastening portion 2 face downward. The fastening bolt 3 is then inserted into the bolt through-hole 6 and the bolt clearance hole 7 to secure the movable fastener. A steel pipe interface 8 allows for the assembly of a steel pipe for transverse reinforcement of the building formwork support system outside the first fastening portion 1. During the use of the movable fastener, the steel pipe insertion key 9 is arranged up and down, narrow at the top and wide at the bottom, narrow inside and wide outside, and the steel pipes can be assembled as needed through the existing steel pipe joints. After the first buckle part 1 and the second buckle part 2 are butt-jointed and buckled, the fastening bolt 3 is inserted into the bolt through hole 6 and the bolt avoidance hole 7 and fixed with the fastening nut 15. The design of the receiving groove 12 accommodates the bolt head 13, which can avoid interference with the connected steel pipe and increase the firmness of the first buckle part 1 and the second buckle part 2. The utility model can add reinforcing rods between the cross bars of the support system as needed, which is convenient for assembly and disassembly, can increase the stability of the building formwork support system, and has strong flexibility in use.

[0035] Although the present invention has been described in detail above using general descriptions and specific embodiments, it will be apparent to those skilled in the art that modifications or improvements may be made to the present invention. Therefore, such modifications or improvements, without departing from the spirit of the present invention, are within the scope of protection claimed herein.

Claims

1. A new type of movable fastener for supporting formwork system, characterized in that: The invention comprises a first buckling portion (1), a second buckling portion (2) and a fastening bolt (3); one end of the first buckling portion (1) and one end of the second buckling portion (2) are hingedly connected via a rotating hinge shaft (4); a pipe receiving opening (5) is formed between the first buckling portion (1) and the second buckling portion (2); The other end of the first buckling part (1) is formed with a bolt avoidance hole (7), and the other end of the second buckling part (2) is formed with a bolt through hole (6); the fastening bolt (3) passes through the bolt through hole (6) and the bolt avoidance hole (7) to lock the first buckling part (1) and the second buckling part (2).

2. A new type of movable fastener for supporting formwork system according to claim 1, characterized in that: A steel pipe interface (8) is formed on the outside of the first buckling portion (1), and the steel pipe interface (8) is used to connect a transverse steel pipe in a building template support system on the outside of the first buckling portion (1).

3. A new type of movable fastener for supporting formwork system according to claim 1, characterized in that: A steel pipe insertion key (9) is formed on the outer side of the second buckling portion (2), and the width of the steel pipe insertion key (9) close to one end of the rotating hinge shaft (4) is smaller than the width of the steel pipe insertion key (9) close to one end of the bolt through hole (6).

4. A new type of movable fastener for supporting formwork system according to claim 3, characterized in that: The width of the inner side of the steel pipe insertion key (9) is smaller than the width of the outer side of the steel pipe insertion key (9).

5. A new type of movable fastener for supporting formwork system according to claim 1, characterized in that: One end of the first buckling portion (1) is formed with a hinge head (10), and one end of the second buckling portion (2) is formed with a hinge groove (11), and the hinge head (10) is placed inside the hinge groove (11); the rotating hinge shaft (4) is inserted into the hinge groove (11) and the through opening on the hinge head (10).

6. A new type of movable fastener for supporting formwork system according to claim 1, characterized in that: An accommodating groove (12) is formed on the outer side of the bolt through hole (6); the fastening bolt (3) comprises a bolt head (13) and a bolt body (14); the bolt head (13) and the bolt body (14) are connected to form a T-shape; The bolt body (14) passes through the bolt through hole (6) and the bolt avoidance hole (7); the bolt head (13) is limited in the accommodating groove (12).

7. A new type of movable fastener for supporting formwork system according to claim 6, characterized in that: The bolt body (14) is screwed with a fastening nut (15), and the fastening nut (15) is limited outside the bolt avoidance hole (7).

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