Special tool for disassembling standby cap of cam pump

Abstract

The utility model relates to the technical field of disassembly of cam pumps, in particular to a special tool for disassembling a standby cap of a cam pump. The screw rods, the clamping blocks and the magnetic attraction mechanism are arranged on the sleeve, the sleeve is a cylinder with a cavity, the two ends of the sleeve are arranged in a circular opening mode, a rectangular groove is formed in one side of the sleeve, the two clamping blocks are arranged at the top of one end of the sleeve respectively, and the two screw rods are arranged on the two sides of the outer portion of the sleeve respectively. The sleeve is fixed to the rotor standby cap through the two clamping blocks on the sleeve, contact between the sleeve and the rotor standby cap is firmer through the magnetic attraction mechanism, meanwhile, a positioning effect is provided for the clamping blocks to be placed on the rotor standby cap, and the clamping blocks can be fixed to the rotor standby cap by rotating a screw rod installed on the sleeve. When the special tool is used for disassembling the rotor spare cap, the spare cap is protected from being damaged, and the working efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cam pump disassembly, in particular to a special tool for disassembling a spare cap of a cam pump. Background Art

[0002] Cam pump technology originated in Germany in the 1990s. Its technical features are perfect. Its rotor is fully covered with spiral three-blade special rubber, with high vacuum degree and super wear resistance and corrosion resistance. It is widely used in military industry, oil extraction and other fields.

[0003] During the disassembly of the cam pump, since the cam pump rotor spare cap is embedded in the rotor, using a hand hammer or a flat shovel to disassemble it will easily damage the spare cap and affect the maintenance progress. Therefore, it is necessary to make a special tool for disassembling the cam pump. Utility Model Content

[0004] In response to the above-mentioned problems, a special tool for removing the spare cap of a cam pump is provided. The present application fixes the sleeve on the rotor spare cap through two clamping blocks on the sleeve. The contact between the sleeve and the rotor spare cap is made more firm through the magnetic attraction mechanism. At the same time, it also provides a positioning effect when the clamping blocks are placed on the rotor spare cap. The rotor spare cap can be easily removed by rotating the installed screw on the sleeve. Using this special tool to remove the rotor spare cap can protect the spare cap from damage and greatly improve work efficiency.

[0005] In order to solve the existing technical problems, the technical solution adopted by the utility model is:

[0006] 1. A special tool for disassembling a cam pump spare cap, characterized in that it comprises a sleeve and a screw, a clamping block and a magnetic attraction mechanism arranged on the sleeve;

[0007] The sleeve is a cylinder with a cavity, the two ends of the sleeve are arranged with circular openings, and a rectangular groove is opened on one side of the sleeve;

[0008] The clamping blocks have two blocks respectively arranged at the top of one end of the sleeve, and the rectangular groove on the sleeve is located directly below one of the two clamping blocks;

[0009] The screw has two parts respectively arranged on both sides of the outside of the sleeve;

[0010] The magnetic attraction mechanism is movably arranged in the rectangular groove, and the working end of the magnetic attraction mechanism faces the inside of the sleeve.

[0011] Preferably, the magnetic attraction mechanism includes a magnet, a cover plate, a rebound member and a push rod;

[0012] The magnet is movably arranged in a rectangular slot provided in the sleeve;

[0013] The two rebound members are respectively arranged on two sides of the inner part of the rectangular slot, and the two rebound members are respectively connected to two sides of the magnet;

[0014] The cover plate is arranged outside the sleeve;

[0015] The push rod is arranged outside the cover plate, and one end of the push rod penetrates the cover plate and is fixedly connected with one side of the magnet.

[0016] Preferably, sliding grooves for installing the rebound member are provided on both sides of the rectangular groove on the sleeve.

[0017] Preferably, the connecting piece includes a clamping block, a spring and a moving block;

[0018] The clamping block is inserted into the slide groove inside the rectangular groove;

[0019] The moving block is slidably arranged in the slide groove, and one side of the moving block is connected to one side of the magnet;

[0020] The spring is arranged inside the slide slot, one end of the spring is arranged in abutment with one side of the clamping block, and the other end of the spring is arranged in abutment with one side of the moving block.

[0021] Preferably, the cover plate is fixed to the outer wall of the sleeve by four screws.

[0022] Preferably, an end of the screw away from the sleeve is provided with a hexagonal socket.

[0023] Preferably, the sleeve, the screw and the block are all forged from stainless steel.

[0024] Preferably, the surface of one end of the push rod located outside the cover plate is polished smooth.

[0025] Compared with the prior art, the utility model has the following beneficial effects: the utility model fixes the sleeve on the rotor spare cap through the two clamping blocks on the sleeve, and the contact between the sleeve and the rotor spare cap is made firmer through the magnetic attraction mechanism, and also provides a positioning effect when the clamping blocks are placed on the rotor spare cap. The rotor spare cap can be easily removed by rotating the installed screw on the sleeve. Using this special tool to remove the rotor spare cap can protect the spare cap from damage and greatly improve the work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 A schematic diagram of the structure of a special tool for removing the spare cap of a cam pump Figure 1 ;

[0027] Figure 2 It is a top view of a special tool for removing the spare cap of a cam pump;

[0028] Figure 3 It is a partial structural schematic diagram of a special tool for removing the spare cap of a cam pump;

[0029] Figure 4 A schematic diagram of the structure of a special tool for removing the spare cap of a cam pump Figure 2 ;

[0030] Figure 5 This application Figure 4 A partial enlarged view of the middle A;

[0031] Figure 6 It is a schematic diagram of the overall structure of the magnetic attraction mechanism of the present application.

[0032] The numbers in the figure are:

[0033] 1-sleeve; 11-connecting groove; 12-rectangular groove; 121-sliding groove;

[0034] 2-screw; 21-hexagon socket;

[0035] 3-magnetic attraction mechanism; 31-magnet; 32-cover plate; 33-rebound member; 331-clamping block; 332-spring; 333-moving block; 34-push rod;

[0036] 4-Card block;

[0037] 5- Screws. DETAILED DESCRIPTION

[0038] In order to further understand the features, technical means, specific objectives and functions of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0039] See also Figure 1 to Figure 6 As shown, a special tool for disassembling a cam pump spare cap comprises a sleeve 1 and a screw 2, a clamping block 4 and a magnetic attraction mechanism 3 arranged on the sleeve 1;

[0040] The sleeve 1 is a cylinder with a cavity, and both ends of the sleeve 1 are arranged with circular openings, and a rectangular groove 12 is opened on one side of the sleeve 1;

[0041] The clamping block 4 has two clamping blocks 4 respectively arranged at the top of one end of the sleeve 1, and the rectangular groove 12 on the sleeve 1 is located directly below one of the two clamping blocks 4;

[0042] The screw rod 2 has two parts respectively arranged on both sides of the outside of the sleeve 1;

[0043] The magnetic attraction mechanism 3 is movably disposed in the rectangular groove 12 , and the working end of the magnetic attraction mechanism 3 faces the interior of the sleeve 1 .

[0044] When disassembling the cam pump, the sleeve 1 is sleeved onto the rotor cap on the cam pump, and the two blocks 4 on the sleeve 1 are inserted into the grooves in the rotor cap. Then, the magnetic suction mechanism 3 is pushed so that the working end of the magnetic suction mechanism 3 contacts the surface of the rotor cap, thereby sucking the rotor cap, so that the sleeve 1 is placed on the rotor cap more firmly, and also provides a positioning effect when the block 4 is placed on the rotor cap. The screw 2 on the sleeve 1 is operated to drive the sleeve 1 to rotate, and then the rotor cap on the cam pump is easily removed. Using this special tool to remove the rotor cap of the cam pump not only protects the rotor cap from damage, but also greatly improves work efficiency, and shortens the working time from the original fifty minutes to about ten minutes.

[0045] See also Figure 4 , Figure 5 and Figure 6 As shown, the magnetic attraction mechanism 3 includes a magnet 31, a cover plate 32, a rebound member 33 and a push rod 34;

[0046] The magnet 31 is movably disposed in the rectangular groove 12 formed in the sleeve 1;

[0047] The two rebound members 33 are respectively arranged on both sides of the rectangular slot 12, and the two rebound members 33 are respectively connected to both sides of the magnet 31;

[0048] The cover plate 32 is arranged outside the sleeve 1;

[0049] The push rod 34 is disposed outside the cover plate 32 , and one end of the push rod 34 passes through the cover plate 32 and is fixedly connected to one side of the magnet 31 .

[0050] When it is necessary to remove the rotor cap on the cam pump, the push rod 34 is pushed toward the inside of the sleeve 1, thereby driving the magnet 31 to move in the same direction, so that one side of the magnet 31 abuts against one side of the rotor cap, thereby sucking the rotor cap to avoid shaking and slipping when removing the rotor cap. After the disassembly is completed, the rebound member 33 is set to make the push rod 34 move in the opposite direction to separate the magnet 31 from the rotor cap, which can reduce the pulling force used to separate the magnet 31 from the rotor cap.

[0051] See also Figure 3 As shown, sliding grooves 121 for installing the rebound member 33 are provided on both sides of the rectangular groove 12 on the sleeve 1.

[0052] By providing a slide groove 121 in the rectangular groove 12 in the sleeve 1, an installation environment is provided for the rebound member 33, thereby preventing the movement of the magnet 31 from being affected when the rebound member 33 is installed.

[0053] See also Figure 6 As shown, the connecting member includes a clamping block 331, a spring 332 and a moving block 333;

[0054] The clamping block 331 is inserted into the slide groove 121 inside the rectangular groove 12;

[0055] The moving block 333 is slidably disposed in the slide groove 121, and one side of the moving block 333 is connected to one side of the magnet 31;

[0056] The spring 332 is disposed inside the slide slot 121 , one end of the spring 332 is disposed in contact with one side of the clamping block 331 , and the other end of the spring 332 is disposed in contact with one side of the moving block 333 .

[0057] When the magnet 31 moves toward the surface of the rotor cap, it will drive the moving block 333 to move in the same direction in the slide groove 121. The moving block 333 will stretch the spring 332 while moving. When the magnet 31 is separated from the rotor cap, the stretched spring 332 will recover due to the elastic force, thereby driving the moving block 333 to move to its original position, and then bringing the magnet 31 back to its original position. The clamping block 331 inserted in the slide groove 121 will limit the moving block 333 and prevent it from falling out.

[0058] See also Figure 2 As shown, the cover plate 32 is fixed to the outer wall of the sleeve 1 by four screws 5 .

[0059] By installing and removing the screws 5 , the cover plate 32 can be quickly installed on or removed from the sleeve 1 .

[0060] See also Figure 4 As shown, a hexagonal groove 21 is formed at one end of the screw rod 2 away from the sleeve 1 .

[0061] Through the hexagonal groove 21 in the screw rod 2, the screw rod 2 can be installed on the sleeve 1 and can also be removed, making the assembly more convenient and simple.

[0062] See also Figure 1 As shown, the sleeve 1, the screw rod 2 and the clamping block 4 are all forged from stainless steel.

[0063] The use of stainless steel makes the tool less susceptible to damage and also prevents it from being corroded by liquids and rusting, thus increasing the service life of the tool.

[0064] See also Figure 5 and Figure 6 As shown, the surface of one end of the push rod 34 located outside the cover plate 32 is polished and smooth.

[0065] The risk of the maintenance personnel being accidentally scratched when touching the push rod 34 is avoided, the safety of use is improved, and a certain protective effect is provided to the maintenance personnel's body.

[0066] The above embodiments only express one or several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A special tool for disassembling a cam pump spare cap, characterized in that: It comprises a sleeve (1), a screw (2), a clamping block (4) and a magnetic attraction mechanism (3) arranged on the sleeve (1); The sleeve (1) is a cylinder with a cavity. Both ends of the sleeve (1) are provided with circular openings. A rectangular groove (12) is provided on one side of the sleeve (1). The clamping block (4) has two clamping blocks (4) respectively arranged on the top of one end of the sleeve (1), and the rectangular groove (12) on the sleeve (1) is located directly below one of the two clamping blocks (4); The screw (2) has two portions respectively arranged on both sides of the outside of the sleeve (1); The magnetic attraction mechanism (3) is movably arranged in the rectangular groove (12), and the working end of the magnetic attraction mechanism (3) faces the inside of the sleeve (1).

2. A special tool for removing a cam pump spare cap according to claim 1, characterized in that: The magnetic attraction mechanism (3) comprises a magnet (31), a cover plate (32), a rebound member (33) and a push rod (34); The magnet (31) is movably arranged in a rectangular groove (12) provided in the sleeve (1); The rebound member (33) has two rebound members (33) respectively arranged on two sides of the inside of the rectangular groove (12), and the two rebound members (33) are respectively connected to two sides of the magnet (31); The cover plate (32) is arranged outside the sleeve (1); The push rod (34) is arranged outside the cover plate (32), and one end of the push rod (34) passes through the cover plate (32) and is fixedly connected to one side of the magnet (31).

3. A special tool for removing a cam pump cap according to claim 1 or 2, characterized in that: Slide grooves (121) for installing a rebound member (33) are provided on both sides of the interior of the rectangular groove (12) on the sleeve (1).

4. A special tool for removing a cam pump cap according to claim 3, characterized in that: The connecting piece comprises a clamping block (331), a spring (332) and a moving block (333); The clamping block (331) is inserted into the sliding groove (121) inside the rectangular groove (12); The moving block (333) is slidably arranged in the slide groove (121), and one side of the moving block (333) is connected to one side of the magnet (31); The spring (332) is arranged inside the slide groove (121), one end of the spring (332) is arranged in abutment with one side of the clamping block (331), and the other end of the spring (332) is arranged in abutment with one side of the moving block (333).

5. A special tool for removing a cam pump spare cap according to claim 2, characterized in that: The cover plate (32) is fixed to the outer wall of the sleeve (1) by four screws (5).

6. A special tool for removing a cam pump spare cap according to claim 1, characterized in that: An inner hexagonal groove (21) is formed at one end of the screw rod (2) away from the sleeve (1).

7. A special tool for removing a cam pump cap according to claim 1, characterized in that: The sleeve (1), the screw rod (2) and the clamping block (4) are all forged from stainless steel.

8. A special tool for removing a cam pump cap according to claim 2, characterized in that: The surface of one end of the push rod (34) located outside the cover plate (32) is polished and smooth.

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