Replaceable hidden reciprocating pump suction end structure

Abstract

The utility model relates to the technical field of reciprocating pumps, in particular to a replaceable hidden reciprocating pump suction end structure which comprises a reciprocating pump body, the liquid inlet end of the reciprocating pump body is connected with the liquid outlet end of a suction end body through a fastening bolt and a fastening nut, and a sealing gasket is arranged at the liquid outlet end. The reciprocating pump has the beneficial effects that the suction end main body can be detached from the reciprocating pump main body by screwing and taking down the fastening nut and the fastening bolt, at the moment, the baffle is just separated from the notch, a worker can rotate the connecting cylinder, and the mounting block slides out of the mounting groove and slides into the notch formed in the sealing gasket; and then the connecting cylinder is pulled to enable the mounting block to slide out along the notch, so that the connecting cylinder and the filter plate are taken out to be cleaned, the structure is simple, the filter plate can be conveniently detached and cleaned by a worker, the reliability of the device is improved, and the worker can conveniently and rapidly connect and replace or clean the filter plate during subsequent cleaning work and maintenance.

Description

Technical Field

[0001] The utility model relates to the field of reciprocating pumps, in particular to a replaceable hidden reciprocating pump suction end structure. Background Art

[0002] Reciprocating pumps, including piston pumps, metering pumps, and diaphragm pumps, are collectively referred to as reciprocating pumps. They are a type of positive displacement pump and are widely used. Reciprocating pumps are conveying machines that directly provide energy to a liquid in the form of pressure energy through the reciprocating motion of a piston.

[0003] In the prior art, in order to prevent impurities remaining in the liquid from being sucked into the reciprocating pump and causing the reciprocating pump to be blocked and damaged, it is usually necessary to install a filter mechanism in the suction end of the reciprocating pump to filter the impurities in the liquid.

[0004] However, the existing reciprocating pump filter mechanism is usually installed in the suction end. After long-term use, a large amount of impurities are attached to the filter mechanism, and it needs to be cleaned. The staff usually need to disassemble the suction end of the entire reciprocating pump before they can remove the filter mechanism for cleaning. The structure is complex and the operation process is complicated, which is inconvenient for the staff to perform subsequent maintenance and cleaning work, and has low practicality. Utility Model Content

[0005] The purpose of the utility model is to provide a replaceable hidden reciprocating pump suction end structure to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a replaceable hidden reciprocating pump suction end structure, comprising a reciprocating pump body, the liquid inlet end of the reciprocating pump body being connected to the liquid outlet end of the suction end body by a fastening bolt and a fastening nut, a sealing gasket being provided on the liquid outlet end, and a mounting block provided on the side of the connecting tube being clamped in the mounting groove opened on the sealing gasket, and the mounting block can be clamped in the groove.

[0007] Preferably, the sealing gasket is fixedly connected to the liquid outlet end of one end of the suction end body, and the liquid outlet end is connected to the liquid inlet end of one end of the reciprocating pump body through a fastening bolt and a fastening nut.

[0008] Preferably, the sealing gasket can be inserted into a slot provided at the liquid inlet end, the slot is an annular slot structure, and a baffle is provided in the slot.

[0009] Preferably, the mounting block is fixedly connected to the connecting tube, and the mounting block can slide into a notch provided on the sealing gasket.

[0010] Preferably, the connecting tube is in a circular tubular structure, one end of the connecting tube is fixedly connected to the filter plate, and a mounting block fixedly connected to the side of the connecting tube can be inserted into a mounting groove provided on the sealing gasket.

[0011] Preferably, a positioning block is fixedly connected to the side of the sealing gasket, and the positioning block is a square plate-shaped structure. The positioning block can be inserted into a positioning groove provided on the liquid inlet end, and the positioning groove is a square groove-shaped structure.

[0012] Preferably, the baffle is fixedly connected to the liquid inlet end of one side of the reciprocating pump body, and the baffle can be stuck into a notch provided on the sealing gasket.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] The replaceable concealed reciprocating pump suction end structure proposed by the present invention can remove the suction end body from the reciprocating pump body by twisting and removing the fastening nut and the fastening bolt. At this time, the baffle is just disengaged from the notch, and the staff can rotate the connecting tube to make the mounting block slide out of the mounting groove and slide into the notch opened on the sealing gasket. Then, the connecting tube is pulled to make the mounting block slide out along the notch, and the connecting tube and the filter plate are taken out, so that the filter plate can be cleaned. The structure is simple, which makes it convenient for the staff to remove and clean the filter plate, thereby improving the reliability of the device without disassembling the entire reciprocating pump body, facilitating the subsequent cleaning work of the staff, and quickly accessing and replacing or cleaning the filter plate during maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the local structure of the utility model;

[0017] Figure 3 for Figure 2 A in the middle is an enlarged structural diagram;

[0018] Figure 4 It is a partial structural diagram of the utility model;

[0019] Figure 5 for Figure 4 Enlarged structural diagram at point B in the middle.

[0020] In the figure: 1. Reciprocating pump body; 2. Card slot; 3. Suction end body; 4. Fastening bolt; 5. Fastening nut; 6. Baffle; 7. Positioning groove; 8. Sealing gasket; 9. Notch; 10. Mounting groove; 11. Connecting tube; 12. Mounting block; 13. Filter plate; 14. Positioning block; 15. Liquid inlet end; 16. Liquid outlet end. DETAILED DESCRIPTION

[0021] In order to clearly and completely describe the purpose and technical solution of the present invention and make its advantages more clearly understood, the following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only part of the embodiments of the present invention, not all of them, and are only used to explain the embodiments of the present invention and are not intended to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] Example 1

[0023] See also Figure 1-Figure 5 The utility model provides a technical solution: a replaceable concealed reciprocating pump suction end structure, comprising a reciprocating pump body 1, wherein a liquid inlet end 15 of the reciprocating pump body 1 is connected to a liquid outlet end 16 of a suction end body 3 by a fastening bolt 4 and a fastening nut 5, a sealing gasket 8 is provided on the liquid outlet end 16, a mounting groove 10 provided on the sealing gasket 8 is clamped with a mounting block 12 provided on the side of a connecting tube 11, and the mounting block 12 can be clamped into a notch 9;

[0024] During specific use, by arranging the suction end body 3 on the reciprocating pump body 1, it is convenient for staff to perform subsequent maintenance on the device, thereby improving the reliability of the device.

[0025] Example 2

[0026] On the basis of Example 1, a sealing gasket 8 is provided for the convenience of later maintenance by the staff. The sealing gasket 8 is fixedly connected to the liquid outlet end 16 at one end of the suction end main body 3. The liquid outlet end 16 is connected to the liquid inlet end 15 at one end of the reciprocating pump main body 1 through a fastening bolt 4 and a fastening nut 5. The staff twists and removes the fastening nut 5, removes the fastening bolt 4 from the holes opened on the flange surface of the reciprocating pump main body 1 and the suction end main body 3, and the staff can remove the suction end main body 3 from the reciprocating pump main body 1. The connecting tube 11 has a circular tubular structure, and one end of the connecting tube 11 is fixedly connected to the filter plate 13. The side of the connecting tube 11 The mounting block 12 fixedly connected to the surface can be stuck in the mounting groove 10 opened on the sealing gasket 8. The staff rotates the connecting tube 11 to make the mounting block 12 fixedly connected to the side of the connecting tube 11 slide out of the mounting groove 10 and slide into the notch 9 opened on the sealing gasket 8. The staff then pulls the connecting tube 11 to make the mounting block 12 slide out along the notch 9, and then takes out the connecting tube 11 and the filter plate 13. The staff can then clean the filter plate 13 fixedly connected to the connecting tube 11. The simple structure makes it convenient for the staff to clean the filter plate 13 later without disassembling the entire reciprocating pump body 1, which is convenient for the staff to do subsequent cleaning work.

[0027] Example 3

[0028] When the filter plate 13 is in the closed position, the filter plate 13 is in the closed position, and the filter plate 13 is in the closed position, so that the filter plate 13 is in the closed position, and the filter plate 13 is in the closed position, so that the filter plate 13 is in the closed position, and the filter plate 13 is in the closed position, so that the filter plate 13 is in the closed position, and the filter plate 13 is in the closed position, so that the filter plate 13 is in the closed position, and the filter plate 13 is in the closed position, so that the filter plate 13 is in the closed position, and the filter plate 13 is in the closed position, so that the filter plate 13 is in the closed position,

[0029] The sealing gasket 8 can be inserted into the slot 2 opened at the liquid inlet end 15. The slot 2 is an annular groove structure. A baffle 6 is provided in the slot 2. When the sealing gasket 8 is fully inserted into the slot 2, the holes opened on the flange surfaces of the liquid inlet end 15 and the liquid outlet end 16 correspond to each other. The staff can then thread the fastening bolts 4 through the holes opened on the flange surface and connect them to the fastening nuts 5 to fix the suction end body 3 to the reciprocating pump body 1. The baffle 6 is fixedly connected to the liquid inlet end 15 on one side of the reciprocating pump body 1. The baffle 6 can be inserted into the notch 9 opened on the sealing gasket 8. , when the sealing gasket 8 is completely inserted into the card slot 2, the baffle 6 fixedly connected to the liquid inlet end 15 is just inserted into the slot 9, and the side of the baffle 6 contacts the mounting block 12. The mounting block 12 and the connecting tube 11 are limited by the baffle 6, and the connecting tube 11 and the filter plate 13 are fixed to the device. The above structures cooperate with each other, and the staff can complete the installation work by completing one calibration. There is no need to calibrate multiple times to make the holes opened on the flange surface of the liquid inlet end 15 and the liquid outlet end 16 correspond one to one, which is convenient for the staff to install the device and convenient for the staff to actually use.

[0030] In actual use, the suction end body 3 can be removed from the reciprocating pump body 1 by twisting and removing the fastening nut 5 and the fastening bolt 4. At this time, the baffle 6 is just out of the notch 9, and the staff can rotate the connecting tube 11 to make the mounting block 12 slide out of the mounting groove 10 and slide into the notch 9 opened on the sealing gasket 8, and then pull the connecting tube 11 to make the mounting block 12 slide out along the notch 9, and then take out the connecting tube 11 and the filter plate 13, and the filter plate 13 can be cleaned. The structure is simple, which makes it easy for the staff to disassemble and clean the filter plate 13, thereby improving the reliability of the device without disassembling the entire reciprocating pump body 1, which is convenient for the staff to do subsequent cleaning work and quickly access and replace or clean the filter plate 13 during maintenance.

[0031] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A replaceable concealed reciprocating pump suction end structure, comprising a reciprocating pump body (1), wherein a liquid inlet end (15) of the reciprocating pump body (1) is connected to a liquid outlet end (16) of the suction end body (3) via a fastening bolt (4) and a fastening nut (5), and characterized in that: A sealing gasket (8) is provided on the liquid outlet end (16), and a mounting block (12) provided on the side of the connecting tube (11) is clamped in a mounting groove (10) provided on the sealing gasket (8), and the mounting block (12) can be clamped in the notch (9).

2. The replaceable hidden reciprocating pump suction end structure according to claim 1, characterized in that: The sealing gasket (8) is fixedly connected to the liquid outlet (16) at one end of the suction end body (3), and the liquid outlet (16) is connected to the liquid inlet (15) at one end of the reciprocating pump body (1) through a fastening bolt (4) and a fastening nut (5).

3. The replaceable hidden reciprocating pump suction end structure according to claim 1, characterized in that: The sealing gasket (8) can be inserted into a slot (2) provided at the liquid inlet end (15); the slot (2) is an annular slot structure, and a baffle (6) is provided in the slot (2).

4. The replaceable hidden reciprocating pump suction end structure according to claim 1, characterized in that: The mounting block (12) is fixedly connected to the connecting tube (11), and the mounting block (12) can slide into the notch (9) provided on the sealing gasket (8).

5. The replaceable hidden reciprocating pump suction end structure according to claim 1, characterized in that: The connecting tube (11) is a circular tubular structure. One end of the connecting tube (11) is fixedly connected to the filter plate (13). The mounting block (12) fixedly connected to the side of the connecting tube (11) can be inserted into the mounting groove (10) provided on the sealing gasket (8).

6. The replaceable hidden reciprocating pump suction end structure according to claim 1, characterized in that: A positioning block (14) is fixedly connected to the side of the sealing gasket (8), and the positioning block (14) is a square plate-shaped structure. The positioning block (14) can be inserted into a positioning groove (7) provided on the liquid inlet end (15), and the positioning groove (7) is a square groove-shaped structure.

7. The replaceable concealed reciprocating pump suction end structure according to claim 3, characterized in that: The baffle (6) is fixedly connected to the liquid inlet end (15) on one side of the reciprocating pump body (1), and the baffle (6) can be inserted into the notch (9) provided on the sealing gasket (8).

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