Building template pin dismounting tool

Abstract

The utility model relates to the technical field of pin dismounting, and discloses a building template pin dismounting tool which comprises a rod body and a clamping head, the clamping head is rotatably installed on the surface of a clamping groove at the tail end of the rod body, an inserting rod is fixed on the surface, close to the outer side, of the clamping groove and abuts against a slot formed in the inner surface of the clamping head, and the other side of the clamping head is integrally connected with an abutting plate. A spring is supported between the abutting plate and the clamping groove in an abutting mode, a first limiting block is fixed to the tail end of the other side of the rod body, and a sliding sleeve is slidably arranged on the outer ring, on the side edge of the first limiting block, of the rod body in a sleeving mode. According to the technical scheme, the inserting rod is arranged in the clamping groove in the tail end of the rod body and can be inserted into the through hole of the pin piece to be connected with the pin piece, the arranged clamping head is pressed on the inner surface of the clamping groove under the action of the abutting action of the spring, the inserting rod is inserted into the inserting groove to lock the pin piece, and the pin piece is still locked when being pulled out. Afterwards, the abutting chuck can be pressed again to release locking of the pin piece so that the pin piece can be collected, and the situation that the pin piece falls off and is not prone to being collected when pulled out is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of pin disassembly, in particular to a tool for disassembling building template pins. Background Art

[0002] The full name of aluminum alloy formwork is concrete engineering aluminum alloy formwork. It is a new generation of formwork system after plywood formwork, combined steel formwork system, steel frame wood (bamboo) plywood system, large formwork system and early dismantling formwork system. The aluminum alloy formwork is connected and fixed by pins. After the pins are connected between the formworks, the pins are inserted into the slots at the rear end to lock them.

[0003] When removing the formwork, it is necessary to first use a pry bar to pry it off from the through hole of the pin piece. When prying it off, the pin piece is easy to fall to the ground, and then the process of picking it up is laborious, which affects the removal efficiency. Therefore, we propose a tool for removing the pins of the building formwork. Utility Model Content

[0004] The utility model aims to provide a tool for removing pins from building formwork, wherein an insertion rod is arranged in a clamping groove at the end of a rod body, which can be inserted into a through hole of a pin piece and connected thereto; a clamping head is arranged to be pressed against an inner surface of the clamping groove under the action of a spring, so that the insertion rod is inserted into the slot and the pin piece is locked; the pin piece is still locked when it is pulled out, and then the clamping head can be pressed again to release the lock on the pin piece so that it can be collected, thereby preventing the pin piece from falling off when it is pulled out and being difficult to collect, thereby solving the problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a construction formwork pin removal tool, comprising a rod body and a chuck, the end surface of the rod body is provided with a clamping groove, and the chuck is rotatably installed on the surface of the clamping groove at the end of the rod body; an insertion rod is fixed to the surface of the clamping groove close to the outside, and the insertion rod is abutted into a slot provided on the inner surface of the chuck, and a butt plate is integrally connected to the other side of the chuck, and a spring is provided for abutting support between the butt plate and the clamping groove; a first limit block is fixed to the other end of the rod body, and a sliding sleeve is slidably mounted on the outer ring of the rod on the side of the first limit block.

[0006] By adopting the above technical solution, the abutment plate is first pressed to rotate the chuck to open it, and the insertion rod of the chuck groove passes through the pin piece through the through hole. Then the clamping plate is pressed against the chuck groove, and the insertion rod is extended into the slot to clamp and lock the pin piece. After that, the impact force of the sliding sleeve hitting the first limit block is used to pull out the pin piece. After releasing the chuck, the pin piece can fall down and be collected.

[0007] Optionally, a second limiting block is fixed around the middle position of the rod body, and the outer diameter of the second limiting block is larger than the inner diameter of the sliding sleeve.

[0008] By adopting the above technical solution, when the sliding sleeve slides on the outer ring of the rod body, it is restricted by the second limit block to prevent the sliding sleeve from sliding to the position of the chuck.

[0009] Optionally, the inner surfaces of the clamping grooves and the surfaces of the abutment plates at both ends of the spring are fixed with limiting columns, and the two ends of the spring are sleeved on the outer rings of the limiting columns.

[0010] By adopting the above technical solution, the spring is on the outer ring of the limiting column and contacts the surface of the abutment plate and the clamping groove, which has a limiting and locking effect on the spring.

[0011] Optionally, the clamp is rotatably mounted on the inner surface of the clamp groove via a hinge, and the hinge is located on the inner surface of the connection between the abutment plate and the clamp.

[0012] By adopting the above technical solution, the purpose of rotatably installing the clamp in the clamping groove is achieved through the hinge.

[0013] Optionally, the inner diameter of the sliding sleeve is smaller than the outer diameter of the first limiting block, and the outer diameter of the first limiting block is equal to the outer diameter of the sliding sleeve.

[0014] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0015] 1. The technical solution of the present application is to provide an insertion rod in the clamping groove at the end of the rod body, which can be inserted into the through hole of the pin piece and connected with it. The provided clamping head is pressed against the inner surface of the clamping groove under the action of a spring, so that the insertion rod is inserted into the slot to lock the pin piece. When the pin piece is pulled out, it is still locked. After that, the clamping head can be pressed again to release the lock of the pin piece so that it can be collected, thereby preventing the pin piece from falling off when it is pulled out and being difficult to collect.

[0016] 2. The technical solution of the present application is to provide a slot on the inner surface of the chuck, and the insertion rod is inserted into the slot after passing through the pin hole, and cooperates with the slot to better lock the pin, and the pin is not easy to slip out of the gap position at the end of the insertion rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0018] Figure 1 This is a schematic diagram of the overall structure of the utility model building template pin removal tool;

[0019] Figure 2 It is a detailed structural diagram of the chuck position of the construction formwork pin removal tool of the utility model;

[0020] Figure 3 The utility model is a schematic diagram of the side structure of the clamping head of the building template pin removal tool.

[0021] In the figure: 1, rod body; 11, clamping groove; 111, insertion rod; 12, first limit block; 13, second limit block; 2, clamping head; 21, abutment plate; 22, hinge; 23, slot; 3, sliding sleeve; 4, limit column; 41, spring. DETAILED DESCRIPTION

[0022] See also Figure 1-3 The utility model provides a technical solution: a tool for removing a building template pin, comprising a rod body 1 and a chuck 2, a clamping groove 11 is opened on the left end surface of the rod body 1, an insertion rod 111 is fixed on the left surface of the clamping groove 11, and the diameter of the insertion rod 111 is smaller than the inner diameter of the through hole of the pin piece. When removing the pin, the insertion rod 111 is inserted into the through hole of the pin piece, and a first limit block 12 is fixed to the right end of the rod body 1, and a sliding sleeve 3 is slidably mounted on the outer ring of the rod body 1 on the left side of the first limit block 12. The sliding sleeve 3 slides on the outer ring of the rod body 1 and hits the first limit block 12 to the right, generating an impact force transmitted to the insertion rod 111, and then the pin piece can be impacted and pulled out.

[0023] The chuck 2 is rotatably mounted on the inner surface of the clamping groove 11 through a hinge 22. The hinge 22 is located on the inner surface of the right side of the chuck 2. The right side of the chuck 2 is integrally connected with a plate 21. The inner surface of the plate 21 and the inner surface of the clamping groove 11 at the plate 21 are fixed with a limiting column 4. A spring 41 is placed between the plate 21 at the limiting column 4 and the clamping groove 11. The two ends of the spring 41 are sleeved on the outer ring of the limiting column 4 and respectively abut against the clamping groove 11 and the surface of the block. The spring 41 The abutment plate 21 is pressed to make the left inner surface of the chuck 2 touch the inner surface of the clamping groove 11. The inner surface of the chuck 2 is provided with a slot 23 aligned with the insertion rod 111. After the abutment plate 21 is pressed to rotate the chuck 2 to open it, the insertion rod 111 is passed through the through hole of the pin piece and then released to make the spring 41 press against the abutment plate 21. The chuck 2 is close to the inner surface of the clamping groove 11, and the insertion rod 111 is inserted into the slot 23, locking the connection of the pin piece to prevent it from falling when the pin piece is pulled out.

[0024] A second limit block 13 is fixed around the middle position of the rod body 1. The outer diameter of the second limit block 13 is larger than the inner diameter of the sleeve 3. The second limit block 13 is placed on the outer ring of the rod body 1 between the chuck 2 and the sleeve 3. When the slide tube slides to the left side of the outer ring of the rod body 1, it will be limited by the sleeve 3 to prevent the sleeve 3 from sliding to the left side to the position of the chuck 2.

[0025] When in use, the plate 21 is pressed to compress the spring 41 and cause the clamp 2 to rotate counterclockwise around the hinge 22 and separate from the surface of the clamp groove 11. Then, the insertion rod 111 on the inner surface of the clamp groove 11 is inserted into the through hole of the pin sheet in the pin slot 23. Then, the plate 21 is no longer pressed. Under the reset action of the spring 41, the clamp 2 is rotated around the hinge 22 again and abuts against the inner surface of the clamp groove 11, and the end of the insertion rod 111 abuts against the slot 23. Then, the sliding sleeve is held. 3 and slides toward the first limit block 12 and hits it, and the impact force generated is transmitted to the insertion rod 111, which acts on the pin piece through the through hole and impacts it out. The pin piece after being taken out is still clamped and locked. Then, the position of the plate 21 can be pressed again to compress the spring 41 and make the clamp head 2 rotate counterclockwise around the hinge 22 and separate from the surface of the clamping groove 11. The insertion rod 111 moves out of the slot 23 to release the clamping lock on the pin piece, so that it falls into the collection bucket and is collected.

Claims

1. A construction formwork pin removal tool, comprising a rod body (1) and a chuck (2), characterized in that: The end surface of the rod body (1) is provided with a clamping groove (11), and the clamping head (2) is rotatably mounted on the surface of the clamping groove (11) at the end of the rod body (1); An insert rod (111) is fixed on the surface of the clamping groove (11) close to the outer side, and the insert rod (111) abuts against a slot (23) provided on the inner surface of the clamping head (2). A support plate (21) is integrally connected to the other side of the clamping head (2), and a spring (41) is provided between the support plate (21) and the clamping groove (11). A first limiting block (12) is fixed to the other end of the rod body (1), and a sliding sleeve (3) is slidably mounted on the outer ring of the rod body (1) on the side of the first limiting block (12).

2. A construction formwork pin removal tool according to claim 1, characterized in that: A second limiting block (13) is fixed around the middle position of the rod body (1), and the outer diameter of the second limiting block (13) is greater than the inner diameter of the sliding sleeve (3).

3. A construction formwork pin removal tool according to claim 1, characterized in that: The inner surface of the clamping groove (11) at both ends of the spring (41) and the surface of the abutment plate (21) are both fixed with limiting columns (4), and the two ends of the spring (41) are sleeved on the outer ring of the limiting columns (4).

4. A construction formwork pin removal tool according to claim 1, characterized in that: The clamp (2) is rotatably mounted on the inner surface of the clamp groove (11) via a hinge (22), and the hinge (22) is located on the inner surface of the connection between the abutment plate (21) and the clamp (2).

5. A construction formwork pin removal tool according to claim 1, characterized in that: The inner diameter of the sliding sleeve (3) is smaller than the outer diameter of the first limiting block (12), and the outer diameter of the first limiting block (12) is equal to the outer diameter of the sliding sleeve (3).

Images