Coaxial self-suction acid and alkali resistant pump

Abstract

The utility model discloses a coaxial self-suction type acid and alkali resistant pump, and belongs to the field of acid and alkali resistant pumps, the coaxial self-suction type acid and alkali resistant pump comprises a fixing plate, a mounting device is arranged on the fixing plate, the mounting device comprises a through hole, the through hole is formed in the left side of the fixing plate, a sleeve is fixedly connected to the left side of the fixing plate, and a sliding rod is slidably connected to the left side of the sleeve; a fixing rod is fixedly connected to the left side of the sliding rod, an inserting rod is fixedly connected to the right side of the fixing rod, and a sliding groove is formed in the front face of the sleeve. A motor is pushed to enable a limiting plate on the outer wall of the motor and a limiting hole to slide on the outer wall of a limiting rod, a push block on the right side of a sliding rod is pushed, the sliding rod moves leftwards, a spring is extruded, the sliding rod drives an inserting rod to move rightwards, and the inserting rod is installed in the inner wall of an inserting hole, so that accurate butt joint between the motor and a pump is ensured, and errors caused by manual operation are avoided; therefore, the problems that in the background technology, when the pump and the motor are connected, bolt connection is needed, and use is not convenient enough are solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of acid and alkali resistant pump, in particular to a coaxial self-suction acid and alkali resistant pump. BACKGROUND

[0002] The acid and alkali resistant pump is a pump with special material. It is widely used in electroplating, PCB, environmental protection equipment and other industries. The acid resistant pump is suitable for conveying various corrosive media under the temperature condition of-20℃ to +120℃. The flow part of the acid resistant pump is made of plastic alloy through reasonable formula, mold pressing and processing. The acid resistant pump has the advantages of multiple plastics, such as strong corrosion resistance, high mechanical strength, no aging and no toxic decomposition. It is an ideal equipment for conveying strong and weak acid.

[0003] The patent document with publication number CN209724699U discloses a coaxial self-suction acid and alkali resistant pump, which comprises a support, a fixed pipe is fixedly installed at the top end of the support, flanges are arranged at both ends of the fixed pipe, a bearing is arranged in the fixed pipe, a connecting pipe is fixedly inserted in the middle of the bearing, both ends of the connecting pipe extend out of the fixed pipe, three convex grooves are uniformly arranged on the outer wall of the connecting pipe, a motor and a pump body are connected to the two sides of the flange through bolts, the output shaft of the motor and the transmission shaft of the pump body are fixedly inserted in the connecting pipe, so that the motor and the pump body can operate coaxially, thereby avoiding the problem that the rotating shaft of the pump is not coaxial with the motor, which affects the service life of the pump. Although the above application file enables the motor and the pump body to operate coaxially, thereby avoiding the problem that the rotating shaft of the pump is not coaxial with the motor, which affects the service life of the pump, the pump and the motor need to be connected by bolts when they are connected, which is not convenient to use. CONTENT OF THE UTILITY MODEL

[0004] In view of the deficiencies of the prior art, the present utility model provides a coaxial self-suction acid and alkali resistant pump, which solves the problems raised in the above background technology. In order to achieve the above purpose, the present utility model is realized by the following technical scheme: a coaxial self-suction acid and alkali resistant pump, comprising a fixed plate, an installation device is arranged on the fixed plate, the installation device comprises a through hole, the through hole is arranged on the left side of the fixed plate, a sleeve is fixedly connected to the left side of the fixed plate, a sliding rod is slidingly connected to the left side of the sleeve, a fixed rod is fixedly connected to the left side of the sliding rod, a plug rod is fixedly connected to the right side of the fixed rod, a sliding groove is arranged on the front of the sleeve, a pulley is rotatably connected to the front of the sliding rod through a bearing, a spring is movably sleeved on the outer wall of the sliding rod, and a push block is fixedly connected to the right side of the sliding rod.

[0005] Preferably, a motor is arranged on the left side of the fixed plate, a pump is fixedly connected to the right side of the fixed plate, a connecting block is fixedly connected to the outer wall of the motor, and a plug hole is arranged on the left side of the connecting block.

[0006] Preferably, the left side of the fixed plate is fixedly connected with a limiting rod, the outer wall of the motor is fixedly sleeved with a limiting plate, the left side of the limiting plate is provided with a limiting hole, and the limiting rod slides on the inner wall of the limiting hole.

[0007] Preferably, a sealing assembly is arranged on the fixed plate, and the sealing assembly comprises a first sealing gasket fixedly connected to the right side of the connecting block.

[0008] Preferably, a second sealing gasket is arranged on the inner wall of the through hole, and the left side of the second sealing gasket is provided with a mounting hole.

[0009] Preferably, the right side of the first sealing gasket is fixedly connected with a connecting rod.

[0010] The application has the advantages that:

[0011] Firstly, the installation device is arranged, the motor is pushed to make the limiting plate of the outer wall of the motor slide on the outer wall of the limiting rod, the push block on the right side of the sliding rod is pushed, the sliding rod moves to the left side, the spring is pressed, the sliding rod drives the insertion rod to move to the right side, the insertion rod is installed into the inner wall of the insertion hole, the accurate butt joint between the motor and the pump is ensured, the error caused by manual operation is avoided, and the problem that the motor and the pump need to be connected by bolts when being connected is solved, and the motor and the pump are not convenient to use.

[0012] Secondly, the sealing assembly is arranged, the first sealing gasket is driven to move to the right side after the motor is installed in place, the first sealing gasket and the connecting rod are inserted into the inner wall of the mounting hole of the second sealing gasket, the sealing property of the connection between the motor and the pump is improved, and the overall sealing performance is improved. This is very important for preventing liquid leakage, reducing pollution and improving the safety of the system. BRIEF DESCRIPTION OF DRAWINGS

[0013] The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application and are incorporated in and constitute a part of this application. The drawings illustrate embodiments of the present application and, together with the description, serve to explain the principles of the present application. In the drawings:

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the front structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the left structure of the utility model;

[0017] Figure 4 It is a schematic diagram of the right structure of the utility model; Figure 2 It is a schematic diagram of the enlarged structure of A in the utility model.

[0018] In the above drawings,

[0019] 1, fixed plate; 2, mounting device; 21, through hole; 22, sleeve; 23, sliding rod; 24, fixed rod; 25, insertion rod; 26, sliding groove; 27, pulley; 28, spring; 29, push block; 210, limiting rod; 211, limiting plate; 212, limiting hole; 213, connecting block; 3, sealing assembly; 31, first sealing gasket; 32, connecting rod; 33, second sealing gasket; 34, mounting hole; 4, pump; 5, motor. DETAILED DESCRIPTION

[0020] In order to make the personnel in the art better understand the scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the scope of protection of the present application.

[0021] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0022] Embodiment one

[0023] Reference should be made to Figures 1-4The embodiment provides a coaxial self-suction acid and alkali resistant pump, which comprises a fixed plate 1, a mounting device 2 is arranged on the fixed plate 1, the mounting device 2 comprises a through hole 21, the through hole 21 is arranged on the left side of the fixed plate 1, a sleeve 22 is fixedly connected to the left side of the fixed plate 1, a sliding rod 23 is slidably connected to the left side of the sleeve 22, a fixed rod 24 is fixedly connected to the left side of the sliding rod 23, a plug rod 25 is fixedly connected to the right side of the fixed rod 24, a sliding groove 26 is arranged on the front of the sleeve 22, a pulley 27 is rotatably connected to the front of the sliding rod 23 through a bearing, springs 28 are movably arranged on the outer wall of the sliding rod 23, a push block 29 is fixedly connected to the right side of the sliding rod 23, a sliding groove 26 is arranged on the front of the sleeve 22, the sliding of the sliding rod is facilitated, and the flexibility of the structure is increased. The pulley 27 is rotatably connected to the front of the sliding rod 23 through a bearing, the pulley 27 is used for transmitting motion and reducing friction, and the operation efficiency is improved. The springs 28 are movably arranged on the outer wall of the sliding rod 23, the springs 28 provide necessary restoring force, so that the sliding rod 23 can be reset during work. The push block 29 is fixedly connected to the right side of the sliding rod 23. A motor 5 is arranged on the left side of the fixed plate 1, a pump 4 is fixedly connected to the right side of the fixed plate 1, a connecting block 213 is fixedly connected to the outer wall of the motor 5, a plug hole is arranged on the left side of the connecting block 213, a plug hole is arranged on the left side of the connecting block 213, and the plug hole is used for accessing a power line or other electrical connection, so as to ensure the normal operation of the motor. A limiting rod 210 is fixedly connected to the left side of the fixed plate 1, a limiting plate 211 is fixedly arranged on the outer wall of the motor 5, a limiting hole 212 is arranged on the left side of the limiting plate 211, the limiting rod 210 slides on the inner wall of the limiting hole 212, and the sliding of the limiting rod 210 provides a stable surface, so that the accuracy and stability of movement are ensured.

[0024] When the above equipment is used, the motor 5 is pushed to make the limiting plate 211 on the outer wall of the motor 5 slide on the outer wall of the limiting rod 210, the push block 29 on the right side of the sliding rod 23 is pushed, the sliding rod 23 moves to the left side, the spring 28 is extruded, the sliding rod 23 drives the pulley 27 on the outer wall to rotate along the movement track of the sliding groove 26, the sliding rod 23 rotates along the direction of the sliding groove 26, the sliding rod 23 drives the fixed rod 24 to rotate to the bottom, the fixed rod 24 drives the plug rod 25 to move to the bottom, the output shaft of the motor 5 is inserted into the through hole 21, after the motor 5 is installed in place, the sliding rod 23 is loosened, the spring 28 drives the plug rod 25 to move to the right side, and the plug rod 25 is installed into the inner wall of the plug hole.

[0025] Embodiment two

[0026] See Figures 1-4On the basis of embodiment one, the fixed plate 1 is provided with a sealing assembly 3, the sealing assembly 3 comprises a first sealing gasket 31, the first sealing gasket 31 is fixedly connected to the right side of the connecting block 213, the first sealing gasket 31 is fixedly connected to the right side of the connecting block 213 to form a seal between the motor and the pump, preventing liquid leakage. Good sealing performance can not only ensure the working efficiency of the pump, but also prolong the service life of the equipment. The inner wall of the through hole 21 is provided with a second sealing gasket 33, and the left side of the second sealing gasket 33 is provided with a mounting hole 34. The right side of the first sealing gasket 31 is fixedly connected with a connecting rod 32, the connecting rod 32 is an important structure connecting the sealing assembly 3 and the pump 4 or the motor 5, ensuring close combination, thereby further improving the overall sealing performance of the pump 4, reducing the risk of liquid leakage, and ensuring the stable operation of the pump in a high acid-base environment.

[0027] The above device, when the motor 5 is installed in place, drives the first sealing gasket 31 to move to the right side, so that the first sealing gasket 31 and the connecting rod 32 are inserted into the inner wall of the mounting hole 34 of the second sealing gasket 33, thereby improving the sealing performance of the connection between the motor 5 and the pump 4.

[0028] The above, only for the preferred specific embodiments of the present application, but the protection scope of the present application is not limited to this, any skilled in the art of the technical personnel in the technical range disclosed by the present application, according to the technical scheme of the present application and the utility model concept to replace or change, should be covered in the protection scope of the present application.

Claims

1. A coaxial self-suction acid and alkali resistant pump comprising a fixed plate (1), characterized in that, The fixed plate (1) is provided with mounting device (2), mounting device (2) includes through hole (21), through hole (21) is set up in fixed plate (1) left side, fixed plate (1) left side fixedly connected with sleeve (22), sleeve (22) left side slidingly connected with slide bar (23), slide bar (23) left side fixedly connected with fixed rod (24), fixed rod (24) right side fixedly connected with plug rod (25), sleeve (22) front surface is provided with sliding slot (26), slide bar (23) front surface is rotatably connected with pulley (27) through bearing, spring (28) is movably sheathed on the outer wall of slide bar (23), slide bar (23) right side fixedly connected with push block (29).

2. The coaxial self-priming acid and alkali resistant pump according to claim 1, characterized in that, The left side of the fixed plate (1) is provided with a motor (5), and the right side of the fixed plate (1) is fixedly connected with a pump (4). The outer wall of the motor (5) is fixedly connected with a connecting block (213), and the left side of the connecting block (213) is provided with a jack.

3. The coaxial self-priming acid and alkali resistant pump according to claim 2, characterized in that, The left side of the fixed plate (1) is fixedly connected with a limiting rod (210), and the outer wall of the motor (5) is fixedly sheathed with a limiting plate (211). The left side of the limiting plate (211) is provided with a limiting hole (212), and the limiting rod (210) slides in the inner wall of the limiting hole (212).

4. The coaxial self-priming acid and alkali resistant pump according to claim 3, characterized in that, The fixed plate (1) is provided with a sealing assembly (3), and the sealing assembly (3) comprises a first sealing gasket (31). The first sealing gasket (31) is fixedly connected to the right side of the connecting block (213).

5. The coaxial self-priming acid and alkali resistant pump according to claim 4, characterized in that, The inner wall of the through hole (21) is provided with a second sealing gasket (33), and the left side of the second sealing gasket (33) is provided with a mounting hole (34).

6. The coaxial self-priming acid and alkali resistant pump according to claim 5, characterized in that, The right side of the first sealing gasket (31) is fixedly connected with a connecting rod (32).

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