Disassembling tool for diaphragm assembly of electric metering pump

Abstract

The utility model relates to the technical field of mechanical tools, and particularly discloses a dismounting tool for a diaphragm assembly of an electric metering pump. The dismounting tool comprises a main rod, a sliding rod and a fastening device. The main rod comprises a main rod body and a main rod dismounting claw; a hole is formed in the side wall of the main rod body, and the fastening device penetrates through the hole to fix the sliding rod located in the main rod body. According to the dismounting tool for the diaphragm assembly of the electric metering pump, the design is similar to a vernier caliper, the distance between the sliding rod and the main rod is adjusted, the dismounting tool is matched with different dismounting holes, simple dismounting is achieved through the lever principle, and the problem that dismounting of the diaphragm assembly is time-consuming and labor-consuming is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical tools, and specifically discloses a disassembly tool for a diaphragm assembly of an electric metering pump. Background Art

[0002] The reverse osmosis sodium hypochlorite dosing system is to set an oxidizing bactericide sodium hypochlorite dosing point on the outlet main pipe of the self-cleaning filter, and add oxidizing bactericide sodium hypochlorite through the microfiltration inlet to control the growth of bacteria and algae in the microfiltration membrane.

[0003] The reverse osmosis sodium hypochlorite dosing system is equipped with several electric metering pumps for online dosing when the microfiltration membrane is running. When the electric metering pump is replaced and repaired, the pump head screws need to be removed first, the pump head needs to be removed, and then the diaphragm assembly needs to be removed. Due to the damage of the diaphragm, the sodium hypochlorite is corrosive, and the locking screws of the diaphragm assembly are corroded. It is more laborious to remove the diaphragm assembly by hand. At the same time, the relative positions of the disassembly holes of the diaphragm assemblies on different electric metering pumps are different, and it is difficult to disassemble them with general tools.

[0004] Therefore, it is necessary to develop a disassembly tool for the diaphragm assembly of an electric metering pump to overcome the above problems and facilitate the disassembly of the diaphragm assembly. Utility Model Content

[0005] The technical solution adopted by the utility model is as follows:

[0006] A tool for disassembling a diaphragm assembly of an electric metering pump, comprising a main rod 1, a sliding rod 2 and a fastening device 3;

[0007] The main rod 1 comprises a main rod body 1-1 and a main rod disassembly claw 1-2; the main rod body 1-1 is a hollow cylindrical structure, the main rod disassembly claw 1-2 is fixedly connected to the side wall of the main rod body 1-1, and the two are perpendicular to each other; the side wall of the main rod body 1-1 is provided with a hole, and the fastening device 3 passes through the hole to fix the sliding rod 2 located in the main rod body 1-1;

[0008] The sliding rod 2 is L-shaped, including a sliding rod body 2-1 and a sliding rod disassembly claw 2-2; the sliding rod body 2-1 has a diameter smaller than the inner diameter of the main rod body 1-1 and a length greater than the length of the main rod body 1-1, and the sliding rod disassembly claw 2-2 is vertically fixed to the end of the main rod body 1-1.

[0009] Preferably, the main rod 1, the sliding rod 2 and the fastening device 3 are all made of stainless steel.

[0010] Preferably, the sliding rod body 2 - 1 is a solid cylinder.

[0011] Preferably, the hole on the side wall of the main rod body 1 - 1 is a threaded hole, and the fastening device 3 is a fastening screw.

[0012] Preferably, the diameter of the sliding rod body 2-1 differs from the inner diameter of the main rod body 1-1 by 0.1 to 1 mm.

[0013] Preferably, the main rod body 1-1 is 130 mm long, with an outer diameter of 10 mm and an inner diameter of 6.2 mm; the sliding rod body 2-1 is 200 mm long and has a diameter of 6 mm.

[0014] Furthermore, the main rod disassembly claw 1-2 and the sliding rod disassembly claw 2-2 both have a diameter of 4 mm and a length of 20 mm.

[0015] Preferably, an elastic buffer block is provided at the junction of the end of the fastening device 3 and the sliding rod 2 to prevent damage to the sliding rod 2 and increase friction.

[0016] Preferably, the fastening device 3 and the main rod disassembly claws 1 - 2 are arranged on opposite sides of the main rod 1 .

[0017] Preferably, the length of the sliding rod body 2-1 is at least 1.5 times the length of the main rod body 1-1.

[0018] Beneficial effects achieved by the utility model:

[0019] The utility model discloses a disassembly tool for the diaphragm assembly of an electric metering pump, which is similar to the design of a vernier caliper. It adapts to different disassembly holes by adjusting the distance between the sliding rod and the main rod, and realizes simple disassembly through the lever principle, thereby solving the problem of time-consuming and labor-intensive disassembly of the diaphragm assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the electric metering pump diaphragm assembly disassembly tool of the utility model. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail in conjunction with the following embodiments. It should be noted that the utility model is not limited to the following embodiments.

[0022] Example 1

[0023] like Figure 1 As shown, a tool for disassembling a diaphragm assembly of an electric metering pump comprises a main rod 1, a sliding rod 2 and a fastening device 3;

[0024] The main rod 1 includes a main rod body 1-1 and a main rod disassembly claw 1-2; the main rod body 1-1 is a hollow cylindrical structure, the main rod disassembly claw 1-2 is fixedly connected to the side wall of the main rod body 1-1, and the two are perpendicular to each other; the side wall of the main rod body 1-1 is provided with a hole, and the fastening device 3 passes through the hole to fix the sliding rod 2 located in the main rod body 1-1; the side wall hole of the main rod body 1-1 is a threaded hole, and the fastening device 3 is a fastening screw. The fastening device 3 and the main rod disassembly claw 1-2 are arranged on opposite sides of the main rod 1.

[0025] The sliding rod 2 is L-shaped, including a sliding rod body 2-1 and a sliding rod disassembly claw 2-2; the diameter of the sliding rod body 2-1 is smaller than the inner diameter of the main rod body 1-1, and the length is greater than the length of the main rod body 1-1, and the sliding rod disassembly claw 2-2 is vertically fixed to the end of the main rod body 1-1; the sliding rod body 2-1 is a solid cylinder.

[0026] The main rod body 1-1 is 130mm long, with an outer diameter of 10mm and an inner diameter of 6.2mm; the sliding rod body 2-1 is 200mm long and 6mm in diameter. The main rod disassembly claw 1-2 and the sliding rod disassembly claw 2-2 are both 4mm in diameter and 20mm in length. The main rod 1, the sliding rod 2 and the fastening device 3 are all made of stainless steel.

[0027] An elastic buffer block is provided at the junction of the end of the fastening device 3 and the sliding rod 2 to prevent damage to the sliding rod 2 and increase friction.

[0028] When in use, move the sliding rod 2 so that the main rod disassembly claw 1-2 and the sliding rod disassembly claw 2-2 are respectively aligned with the diaphragm assembly fixing hole. After the length is determined, tighten the fastening device 3 and use the lever principle to rotate clockwise for disassembly, which can save time and effort.

Claims

1. A tool for disassembling a diaphragm assembly of an electric metering pump, characterized in that: It comprises a main rod (1), a sliding rod (2) and a fastening device (3); The main rod (1) comprises a main rod body (1-1) and a main rod disassembly claw (1-2); the main rod body (1-1) is a hollow cylindrical structure, and the main rod disassembly claw (1-2) is fixedly connected to the side wall of the main rod body (1-1), and the two are perpendicular to each other; the side wall of the main rod body (1-1) is provided with a hole, and the fastening device (3) passes through the hole to fix the sliding rod (2) located in the main rod body (1-1); The sliding rod (2) is L-shaped, comprising a sliding rod body (2-1) and a sliding rod disassembly claw (2-2); the sliding rod body (2-1) has a diameter smaller than the inner diameter of the main rod body (1-1) and a length greater than the length of the main rod body (1-1); and the sliding rod disassembly claw (2-2) is vertically fixed to the end of the main rod body (1-1).

2. The electric metering pump diaphragm assembly disassembly tool according to claim 1, characterized in that: The main rod (1), the sliding rod (2) and the fastening device (3) are all made of white steel.

3. The electric metering pump diaphragm assembly disassembly tool according to claim 1, characterized in that: The sliding rod body (2-1) is a solid cylinder.

4. The electric metering pump diaphragm assembly disassembly tool according to claim 1, characterized in that: The hole on the side wall of the main rod body (1-1) is a threaded hole, and the fastening device (3) is a fastening screw.

5. The electric metering pump diaphragm assembly disassembly tool according to claim 1, characterized in that: The diameter of the sliding rod body (2-1) differs from the inner diameter of the main rod body (1-1) by 0.1 to 1 mm.

6. The electric metering pump diaphragm assembly disassembly tool according to claim 1, characterized in that: The main rod body (1-1) has a length of 130 mm, an outer diameter of 10 mm and an inner diameter of 6.2 mm; the sliding rod body (2-1) has a length of 200 mm and a diameter of 6 mm.

7. The electric metering pump diaphragm assembly disassembly tool according to claim 6, characterized in that: The main rod disassembly claw (1-2) and the sliding rod disassembly claw (2-2) both have a diameter of 4 mm and a length of 20 mm.

8. The electric metering pump diaphragm assembly disassembly tool according to claim 1, characterized in that: An elastic buffer block is provided at the junction of the end of the fastening device (3) and the sliding rod (2) to prevent damage to the sliding rod (2) and increase friction.

9. The electric metering pump diaphragm assembly disassembly tool according to claim 1, characterized in that: The fastening device (3) and the main rod disassembly claws (1-2) are arranged on opposite sides of the main rod (1).

10. The electric metering pump diaphragm assembly disassembly tool according to claim 1, characterized in that: The length of the sliding rod body (2-1) is at least 1.5 times the length of the main rod body (1-1).

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