Anti-clogging three-cylinder plunger pump

Abstract

This utility model discloses an anti-clogging three-cylinder plunger pump, including a pump body. An air chamber is fixed to the top of the pump body, and a pressure regulating valve is fixed to the left side of the air chamber. A rotor is installed on the right side of the pump body, and a water inlet mechanism is fixed to the front of the pump body. The water inlet mechanism includes a circular shell, with water inlet pipes integrally formed on both the front and rear surfaces of the shell. This anti-clogging three-cylinder plunger pump, through the water inlet mechanism, allows water to enter the front water inlet pipe, pass through an intercepting net, enter the rear water inlet pipe, and then enter the pump body. Over time, the intercepting net accumulates too many impurities, reducing the water flow. The rotating rod is then rotated upwards, and the rotating rod, through a ratchet block and ratchet groove, rotates the rotating plate upwards, allowing the upper and lower intercepting nets to be replaced. The sealing cap is then removed, and the intercepting nets are cleaned.

Description

Technical Field

[0001] This utility model relates to the field of three-cylinder plunger pump technology, specifically an anti-clogging three-cylinder plunger pump. Background Technology

[0002] Piston pumps are an important component of hydraulic systems. They rely on the reciprocating motion of pistons within a cylinder to change the volume of the sealed working chamber, thereby achieving oil suction and pressure. They offer advantages such as high rated pressure, compact structure, high efficiency, and convenient flow rate adjustment, and are widely used in high-pressure, high-flow-rate applications where flow rate regulation is required, such as hydraulic presses, construction machinery, and ships. Three-cylinder piston pumps are the most commonly used type.

[0003] A search revealed an existing patent (publication number: CN115628193A) disclosing a three-cylinder plunger pump. This three-cylinder plunger pump includes a pump body. The upper surface of the pump body is equipped with a pressure regulating valve, an air chamber, and a pressure gauge. Two spray switches are spaced apart on the end face of the pump body, with an air intake switch between them. Below the air intake switch is a water inlet pipe connected to the inner cavity of the pump body. A filter screen and a rotating shaft are sequentially arranged along the water inlet direction on the water inlet pipe. The outer edge of the filter screen is clearance-fitted with the inner wall of the water inlet pipe. The filter screen is connected to the inner wall of the water inlet pipe via a spring. A transmission rod is located near the end of the filter screen close to the rotating shaft, and a boss is provided on the transmission rod. The two ends of the rotating shaft are rotatably mounted on the inner wall of the water inlet pipe, and an impeller is fixed in the middle of the rotating shaft. A cam corresponding to the boss on the transmission rod is also provided on the rotating shaft. This application can reduce the damage caused by impurities in the water to the pump body's internal structure and improve its service life.

[0004] It shakes the impurities on the filter screen downwards to prevent the filter screen from clogging. However, it has a drawback: the impurities that are shaken off the filter screen are still inside the water inlet pipe and are not discharged from the pipe. Over time, the impurities will increase and affect the water flow. Utility Model Content

[0005] To address the shortcomings of existing technologies, this invention provides an anti-clogging three-cylinder plunger pump, which solves the problems mentioned in the background section.

[0006] To achieve the above objectives, this utility model is implemented through the following technical solution: an anti-clogging three-cylinder plunger pump, including a pump body, an air chamber fixed at the top of the pump body, a pressure regulating valve fixed at the left side of the air chamber at the top of the pump body, a rotor installed on the right side of the pump body, and a water inlet mechanism fixed at the front of the pump body, the water inlet mechanism including a circular shell, and water inlet pipes integrally formed on both the front and rear surfaces of the circular shell;

[0007] The water inlet pipe and pump body are fixedly connected at the rear. A rotating plate is rotatably connected inside the circular shell. Two intercepting nets are fixed inside the rotating plate. A rotating rod is rotatably connected inside the circular shell. The rear end of the rotating rod passes through the rotating plate. A ratchet groove is opened inside the rotating plate.

[0008] Two storage holes are provided on the outer side wall of the rotating rod. A compression spring is fixed inside the storage hole. A stop block is fixed at the other end of the compression spring. An external threaded cylinder is integrally formed on the front of the round shell. A sealing cap is screwed onto the outer side of the external threaded cylinder.

[0009] Preferably, a water guide pipe is fixed to the outer wall of the water inlet pipe, and the other end of the water guide pipe is fixedly connected to the rear water inlet pipe.

[0010] Preferably, the rotating plate has multiple circular holes at the front, a limit spring is fixed inside the circular holes, a limit block is fixed at the other end of the limit spring, and multiple limit holes are opened inside the circular shell at the front.

[0011] Preferably, the elastic force of the limiting spring is greater than that of the compression spring.

[0012] Preferably, a handle is fixed to the front end of the rotating rod.

[0013] Preferably, a rotating block is fixed to the front end of the sealing cap.

[0014] Beneficial effects

[0015] This invention provides an anti-clogging three-cylinder plunger pump. Compared with the prior art, it has the following advantages:

[0016] This anti-clogging three-cylinder plunger pump has an inlet mechanism. Water flows into the front inlet pipe, passes through the interception net, enters the rear inlet pipe, and then enters the pump body. Over time, too many impurities are blocked in front of the interception net, causing the water flow to decrease. Rotating the lever upwards, and then rotating it upwards again, the lever rotates the rotating plate upwards through the ratchet block and ratchet groove. This allows the upper and lower interception nets to be replaced. The sealing cover is then removed, and the interception nets are cleaned. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a cross-sectional structural schematic diagram of the water inlet mechanism in this utility model;

[0019] Figure 3 This is a cross-sectional view of the transfer plate of this utility model;

[0020] Figure 4 This is a cross-sectional view of the transfer rod of this utility model;

[0021] Figure 5 This is a schematic diagram of the transfer plate of this utility model;

[0022] Figure 6 This is a side cross-sectional view of the water guide pipe, the circular shell, and the water inlet pipe in this utility model.

[0023] In the diagram: 1. Water inlet mechanism; 101. Rotating rod; 102. Handle; 103. Rotating block; 104. Sealing cover; 105. Rotating plate; 106. Interception net; 107. External threaded cylinder; 108. Water guide pipe; 109. Water inlet pipe; 110. Round shell; 111. Limiting spring; 112. Limiting block; 113. Receiving hole; 114. Compression spring; 115. Stop block; 116. Rattle groove; 117. Round hole; 118. Limiting hole; 2. Rotating wheel; 3. Pressure regulating valve; 4. Air chamber; 5. Pump body. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figures 1 to 6 This utility model provides a technical solution: an anti-clogging three-cylinder plunger pump, including a pump body 5, an air chamber 4 fixed on the top of the pump body 5, a pressure regulating valve 3 fixed on the left side of the air chamber 4 on the top of the pump body 5, a rotor 2 installed on the right side of the pump body 5, and a water inlet mechanism 1 fixed in front of the pump body 5. The water inlet mechanism 1 includes a circular shell 110, with water inlet pipes 109 integrally formed on both the front and rear surfaces of the circular shell 110. The rear water inlet pipe 109 is fixedly connected to the pump body 5. A rotating plate 105 is rotatably connected inside the circular shell 110, and two intercepting nets are fixed inside the rotating plate 105. 106. A rotating rod 101 is rotatably connected inside the circular shell 110. The rear end of the rotating rod 101 passes through the rotating plate 105. A ratchet groove 116 is provided inside the rotating plate 105. Two storage holes 113 are provided on the outer side wall of the rotating rod 101. A compression spring 114 is fixed inside the storage hole 113. A stop block 115 is fixed at the other end of the compression spring 114. An external threaded cylinder 107 is integrally formed at the front of the circular shell 110. A sealing cover 104 is screwed onto the outer side of the external threaded cylinder 107, which facilitates cleaning of the interception net 106 inside the pump body 5.

[0026] Furthermore, a water guide pipe 108 is fixed to the outer wall of the water inlet pipe 109, and the other end of the water guide pipe 108 is fixedly connected to the rear water inlet pipe 109, which makes it more convenient to clean the interception net 106. Multiple round holes 117 are opened in front of the rotating plate 105. A limit spring 111 is fixed inside the round hole 117, and a limit block 112 is fixed to the other end of the limit spring 111. Multiple limit holes 118 are opened in front of the interior of the round shell 110, which can limit the rotation of the rotating plate 105. The elastic force of the limit spring 111 is greater than the elastic force of the compression spring 114, so that when the rotating rod 101 rotates downward, it prevents the rotating plate 105 from rotating downward. A handle 102 is fixed to the front end of the rotating rod 101, which makes it convenient to rotate the rotating rod 101. A rotating block 103 is fixed to the front end of the sealing cover 104, which makes it convenient to rotate the sealing cover 104.

[0027] During operation, connect the inlet pipe 109 to an external pipe so that water flows into the front inlet pipe 109, passes through the interceptor net 106, enters the rear inlet pipe 109, and then enters the pump body 5. After prolonged use, too many impurities are intercepted in front of the interceptor net 106, resulting in a decrease in water flow. Hold the handle 102, and the handle 102 rotates the rotating rod upwards to 101. The rotating rod 101 rotates the rotating plate 105 upwards through the stop block 115 and ratchet groove 116. Then rotate the handle 102 downwards, and then rotate the handle 102 upwards again. Repeat the above operation to rotate the rotating plate 105 multiple times, changing the position of the upper and lower interceptor nets 106. After that, remove the sealing cover 104 to clean the interceptor net 106. Some water flows through the guide pipe 108 to flush the interceptor net 106, which facilitates the cleaning of the interceptor net 106.

[0028] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

[0029] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, the phrase "comprising an element defined as..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0030] Although 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 alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. Anti-clogging three-cylinder piston pump comprising a pump body (5), characterized in that: An air chamber (4) is fixed on the top of the pump body (5). A pressure regulating valve (3) is fixed on the left side of the air chamber (4) on the top of the pump body (5). A rotating wheel (2) is installed on the right side of the pump body (5). A water inlet mechanism (1) is fixed in front of the pump body (5). The water inlet mechanism (1) includes a round shell (110). The front and rear surfaces of the round shell (110) are integrally formed with water inlet pipes (109). The water inlet pipe (109) and the pump body (5) are fixedly connected. A rotating plate (105) is rotatably connected inside the round shell (110). Two intercepting nets (106) are fixed inside the rotating plate (105). A rotating rod (101) is rotatably connected inside the round shell (110). The rear end of the rotating rod (101) passes through the rotating plate (105). A ratchet groove (116) is opened inside the rotating plate (105). The outer side wall of the rotating rod (101) has two storage holes (113). A compression spring (114) is fixed inside the storage hole (113). A stop block (115) is fixed at the other end of the compression spring (114). An external threaded cylinder (107) is integrally formed at the front of the round shell (110). A sealing cap (104) is screwed onto the outer side of the external threaded cylinder (107).

2. The anti-clog tri-cylinder plunger pump of claim 1, wherein: A water guide pipe (108) is fixed to the outer wall of the water inlet pipe (109), and the other end of the water guide pipe (108) is fixedly connected to the water inlet pipe (109) behind it.

3. The anti-clog tri-cylinder plunger pump of claim 1, wherein: The rotating plate (105) has multiple circular holes (117) at the front, and a limit spring (111) is fixed inside the circular hole (117). A limit block (112) is fixed at the other end of the limit spring (111). The circular shell (110) has multiple limit holes (118) at the front inside.

4. The anti-clog, three-cylinder, plunger pump of claim 3, wherein: The elastic force of the limiting spring (111) is greater than the elastic force of the compression spring (114).

5. The anti-clog, three-cylinder, plunger pump of claim 1, wherein: A handle (102) is fixed to the front end of the rotating rod (101).

6. The anti-clog, three cylinder, plunger pump of claim 1, wherein: A rotating block (103) is fixed to the front end of the sealing cover (104).

Images