Aluminum film construction formwork fastening device

Abstract

The utility model relates to the technical field of fastening devices, in particular to an aluminum film construction formwork fastening device. The round pipe is inserted into aligned holes of the two aluminum film plates, a fastening assembly is arranged on the inner wall of the round pipe and comprises a two-way threaded rod rotationally connected to the inner wall of the round pipe, threads at the two ends of the two-way threaded rod are opposite, the arc surface of the round pipe is sleeved with an extrusion ring, and the extrusion ring slides on the arc surface of the round pipe. The two ends of the arc surface of the two-way threaded rod are in threaded connection with threaded rings, and one side of each threaded ring is fixedly connected with a plurality of evenly-distributed extrusion rods. The problem that the service life of the aluminum template is shortened due to the fact that the aluminum template is damaged and deformed when the aluminum template is knocked and installed by holding a hammer with a hand is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of fastening devices, in particular to a fastening device for an aluminum film construction template. Background Art

[0002] Building formwork is a temporary supporting structure, which is a formwork and bracket formed by pouring concrete. In the process of assembling aluminum formwork, a fastening device is required. When fixing two super-high aluminum formworks, the existing fastening device inserts the pins into the aligned holes of the two aluminum formworks, and then inserts the pins into the pins to fix the pins, thereby fastening the two aluminum formworks.

[0003] When the fastening device is in use, traditional pins are usually used for fastening connection. Workers insert the pins into the aligned holes of the two aluminum templates, and then insert the pin pieces into the pins, and use a handheld hammer to knock them for installation. Repeated knocking will damage the aluminum template, causing the aluminum template to deform, thereby shortening the service life of the aluminum template. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that in actual use, traditional pins are usually used for fastening connections. Workers insert the pins into the aligned holes of two aluminum templates, and then insert the pin pieces into the pins, and use a handheld hammer to knock and install them. Repeated knocking will damage the aluminum template, causing the aluminum template to deform, thereby shortening the service life of the aluminum template. A fastening device for aluminum film construction template is proposed to solve the problem that in actual use, traditional pins are usually used for fastening connections. Workers insert the pins into the aligned holes of two aluminum templates, and then insert the pin pieces into the pins, and then use a handheld hammer to knock and install them. Repeated knocking will damage the aluminum template, causing the aluminum template to deform, thereby shortening the service life of the aluminum template.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a fastening device for aluminum film construction template, the round tube is inserted into the holes aligned with two aluminum film plates, the inner wall of the round tube is provided with a fastening assembly, the fastening assembly includes a bidirectional threaded rod rotatably connected to the inner wall of the round tube, the threads at both ends of the bidirectional threaded rod are opposite, the arc surface of the round tube is sleeved with an extrusion ring, the extrusion ring slides on the arc surface of the round tube, the arc surface of the bidirectional threaded rod is threadedly connected with a threaded ring at both ends, a plurality of evenly distributed extrusion rods are fixedly connected to one side of the threaded ring, and two identical limit rods are fixedly connected to both ends of the round tube, and the two limit rods pass through the threaded ring.

[0006] Preferably, the arc surface of the limiting rod is sleeved with a C-shaped ring, and the arc surface of the C-shaped ring is fixedly connected to the operating rod 1.

[0007] The effect achieved by the above components is: the C-shaped ring is sleeved onto the limit rod, the operating rod 1 is held, and the operating rod 1 is kept stationary, so that the round tube remains stationary.

[0008] Preferably, both ends of the bidirectional threaded rod are fixedly connected with cylindrical blocks, the arc surface of the cylindrical block is sleeved with a rotating ring, the rotating ring slides on the arc surface of the cylindrical block, and the arc surface of the rotating ring has a second operating rod.

[0009] The effect achieved by the above components is: the rotating ring is sleeved on the cylindrical block, and the second operating rod is rotated to make the bidirectional threaded rod rotate in the round tube, so that the threaded ring moves under the action of the limit rod.

[0010] Preferably, the arc surface of the cylindrical block is provided with a plurality of identical operating grooves, and the inner arc surface of the rotating ring is fixedly connected with a plurality of identical operating blocks.

[0011] The effect achieved by the above components is: the rotating ring is sleeved on the cylindrical block so that the operating block is inserted into the operating groove.

[0012] Preferably, the operating block is matched with the operating groove, and the arc surface of the bidirectional threaded rod is sleeved with a gasket.

[0013] The effect achieved by the above components is: by setting the gasket, the threaded ring is assisted in limiting the position.

[0014] In summary, the beneficial effects of the utility model are:

[0015] In the utility model, by setting a fastening component, when fastening two aluminum film plates, a round tube is inserted into the aligned holes of the two aluminum film plates, an extrusion ring is sleeved on both sides of the round tube, and then the threaded ring is put on the limit rod and threadedly connected with the two-way threaded rod, and the threaded ring is moved by twisting the mechanism, so that the extrusion rod squeezes the extrusion ring, thereby extruding the aluminum film plates on both sides, and then fastening the two aluminum film plates, which solves the problem of usually using traditional pins for fastening connection, in which a worker inserts the pin into the aligned holes of the two aluminum templates, and then inserts the pin sheet into the pin, and uses a hammer to knock for installation, and multiple knocks will damage the aluminum template, causing the aluminum template to deform, thereby shortening the service life of the aluminum template. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a three-dimensional structural schematic diagram of the fastening assembly of the utility model;

[0018] Figure 3 For this utility model Figure 2 A is an enlarged schematic diagram of the three-dimensional structure;

[0019] Legend: 1. Round tube; 2. Fastening assembly; 201. Bidirectional threaded rod; 202. Extrusion ring; 203. Threaded ring; 204. Extrusion rod; 205. Limit rod; 206. C-shaped ring; 207. Operating rod one; 208. Cylindrical block; 209. Rotating ring; 210. Operating rod two; 211. Operating groove; 212. Operating block; 213. Gasket. DETAILED DESCRIPTION

[0020] Reference Figure 1 and Figure 2 As shown, the utility model provides a technical solution: an aluminum film construction template fastening device, a round tube 1 is inserted into the aligned holes of two aluminum film plates, and a fastening component 2 is arranged on the inner wall of the round tube 1.

[0021] The specific configuration and function of the fastening assembly 2 will be described in detail below.

[0022] Reference Figure 2 and Figure 3As shown, in this embodiment: the fastening component 2 includes a bidirectional threaded rod 201 rotatably connected to the inner wall of the round tube 1, the threads at both ends of the bidirectional threaded rod 201 are opposite, the arc surface of the round tube 1 is sleeved with an extrusion ring 202, the extrusion ring 202 slides on the arc surface of the round tube 1, and the arc surface of the bidirectional threaded rod 201 is threadedly connected with threaded rings 203 at both ends. By setting the fastening component 2, when fastening the two aluminum film plates, the round tube 1 is inserted into the holes aligned with the two aluminum film plates, the extrusion ring 202 is sleeved on both sides of the round tube 1, and then the threaded ring 203 is placed The limiting rod 205 is threadedly connected with the bidirectional threaded rod 201. By twisting the mechanism, the threaded ring 203 moves, so that the extrusion rod 204 squeezes the extrusion ring 202, thereby extruding the aluminum film plates on both sides, and then tightening the two aluminum film plates. One side of the threaded ring 203 is fixedly connected with a plurality of evenly distributed extrusion rods 204. Two identical limiting rods 205 are fixedly connected at both ends of the round tube 1. The two limiting rods 205 penetrate the threaded ring 203. The arc surface of the limiting rod 205 is sleeved with a C-shaped ring 206. The arc of the C-shaped ring 206 The surface of the bidirectional threaded rod 201 is fixedly connected with an operating rod 1 207, the C-shaped ring 206 is sleeved on the limit rod 205, the operating rod 1 207 is held, and the operating rod 1 207 is kept stationary, so that the round tube 1 remains stationary, and the two ends of the bidirectional threaded rod 201 are fixedly connected with cylindrical blocks 208, and the circular arc surface of the cylindrical block 208 is sleeved with a rotating ring 209, and the rotating ring 209 slides on the circular arc surface of the cylindrical block 208. The circular arc surface of the rotating ring 209 has an operating rod 210, the rotating ring 209 is sleeved on the cylindrical block 208, and the operating rod 210 is rotated, so that the bidirectional threaded rod 201 rotates in the circular tube 1, so that the threaded ring 203 moves under the action of the limiting rod 205, the arc surface of the cylindrical block 208 is provided with a plurality of identical operating grooves 211, and the inner arc surface of the rotating ring 209 is fixedly connected with a plurality of identical operating blocks 212, and the rotating ring 209 is sleeved on the cylindrical block 208, so that the operating block 212 is inserted into the operating groove 211, and the operating block 212 is adapted to the operating groove 211, and the arc surface of the bidirectional threaded rod 201 is sleeved with a gasket 213, and the threaded ring 203 is assisted in limiting by setting the gasket 213.

[0023] Working principle:

[0024] When fastening the two aluminum film plates, the round tube 1 is inserted into the holes aligned with the two aluminum film plates, the extrusion ring 202 is sleeved on both sides of the round tube 1, and then the threaded ring 203 is placed on the limiting rod 205 and threadedly connected with the two-way threaded rod 201, and the C-shaped ring 206 is sleeved on the limiting rod 205, and the operating rod 1 207 is held and kept stationary so that the round tube 1 remains stationary, and the rotating ring 209 is sleeved on the cylindrical block 208 so that the operating block 212 is stuck in the operating groove 211, and the operating rod 210 is rotated to make the two-way threaded rod 201 rotate in the round tube 1, so that the threaded ring 203 moves under the action of the limiting rod 205, so that the extrusion rod 204 squeezes the extrusion ring 202, thereby extruding the aluminum film plates on both sides, and then the two aluminum film plates are fastened, and the threaded ring 203 is assisted in limiting by setting the gasket ring 213.

[0025] The above is only a preferred embodiment of the utility model, and does not limit the utility model in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the technical solution of the utility model still belongs to the protection scope of the technical solution of the utility model. In the description of the utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood by specific circumstances.

Claims

1. A fastening device for an aluminum film construction template, comprising a round tube (1), wherein the round tube (1) is inserted into holes of two aluminum film plates that are aligned, and characterized in that: The inner wall of the circular tube (1) is provided with a fastening assembly (2), the fastening assembly (2) comprising a bidirectional threaded rod (201) rotatably connected to the inner wall of the circular tube (1), the threads at both ends of the bidirectional threaded rod (201) being opposite, an extrusion ring (202) being sleeved on the circular arc surface of the circular tube (1), the extrusion ring (202) sliding on the circular arc surface of the circular tube (1), threaded rings (203) being threadedly connected at both ends of the circular arc surface of the bidirectional threaded rod (201), a plurality of evenly distributed extrusion rods (204) being fixedly connected to one side of the threaded ring (203), two identical limiting rods (205) being fixedly connected to both ends of the circular tube (1), the two limiting rods (205) passing through the threaded ring (203).

2. The aluminum film construction template fastening device according to claim 1 is characterized in that: The arc surface of the limiting rod (205) is sleeved with a C-shaped ring (206), and the arc surface of the C-shaped ring (206) is fixedly connected to an operating rod 1 (207).

3. The aluminum film construction template fastening device according to claim 2 is characterized in that: The two ends of the bidirectional threaded rod (201) are fixedly connected with cylindrical blocks (208), the arc surface of the cylindrical block (208) is sleeved with a rotating ring (209), the rotating ring (209) slides on the arc surface of the cylindrical block (208), and the arc surface of the rotating ring (209) is provided with an operating rod 2 (210).

4. The aluminum film construction template fastening device according to claim 3 is characterized in that: The arc surface of the cylindrical block (208) is provided with a plurality of identical operating grooves (211), and the inner arc surface of the rotating ring (209) is fixedly connected with a plurality of identical operating blocks (212).

5. The aluminum film construction template fastening device according to claim 4 is characterized in that: The operating block (212) is matched with the operating groove (211), and the arc surface of the bidirectional threaded rod (201) is sleeved with a gasket (213).

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