Heat dissipation structure of piston pump

By combining air-cooling and water-cooling structures on the drive motor of the piston pump, and utilizing an inverted convex heat sink and water-cooling unit, the heat dissipation problem of the drive motor in high-temperature environments is solved, achieving a more efficient heat dissipation effect.

CN224054049UActive Publication Date: 2026-03-27SHANDONG DADI PROSPECTING MACHINERY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-09
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

The existing piston pump drive motor has poor heat dissipation performance in high-temperature environments, especially the air-cooled structure, which is inefficient in hot environments.

Method used

It adopts a heat dissipation structure that combines air cooling and water cooling, including an inverted convex heat sink and a water cooling unit. It utilizes airflow and water flow for dual heat dissipation, increasing the heat dissipation area and improving heat dissipation efficiency.

Benefits of technology

It significantly improves the heat dissipation effect of the drive motor in high-temperature environments, adapts to the heat dissipation requirements of hot weather, and is more efficient than the single air-cooling mode.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a heat dissipation structure of a piston pump, which relates to the technical field of heat dissipation of piston pumps and comprises a piston pump component consisting of a base, a pump body and a driving motor, the pump body and the driving motor are sequentially and fixedly mounted at the top of the base along the horizontal direction, and the front end of a driving shaft of the driving motor is connected with the driving shaft of the pump body through a coupler. A heat dissipation assembly is arranged on the outer side of the driving motor, and the heat dissipation assembly is used for achieving heat dissipation operation of the driving motor; the heat dissipation assembly comprises an air cooling unit and a water cooling unit. The air cooling unit is used for dissipating heat of the driving motor through air flow. The water cooling unit dissipates heat of the driving motor through water flowing. According to the utility model, two heat dissipation modes of the driving motor can be realized by arranging the heat dissipation assembly, the first heat dissipation mode is air cooling, and the second heat dissipation mode is air cooling and water cooling, compared with a single air cooling mode, the heat dissipation effect is further improved, and the heat dissipation assembly can adapt to heat dissipation operation in high-temperature weather.
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Description

TECHNICAL FIELD

[0001] The utility model relates to piston pump heat dissipation technical field, concretely is a piston pump's heat dissipation structure. BACKGROUND

[0002] Piston pump is by piston reciprocating motion, make the pump cavity work volume period change, realize inhale and discharge liquid, by pump cylinder, piston, inlet and outlet water valve, inlet and outlet water pipe, connecting rod and transmission device composition, its operating principle is as follows:

[0003] When the piston moves upward, the water inlet valve opens, water enters the pump cylinder, and the water valve on the piston closes, the water in the upper part of the piston is lifted upward with the piston, when the piston moves downward, the water inlet valve closes, the valve on the piston opens, and at the same time, the water in the lower cavity of the pump cylinder is pressed into the upper cavity and rises into the water outlet pipe, so the water is continuously discharged from the water outlet pipe.

[0004] The driving motor of the existing piston pump mostly adopts air cooling structure for heat dissipation, a heat dissipation fan blade is arranged at the tail of the driving motor, when the driving motor operates, the heat dissipation fan blade is driven synchronously, so that air flows to dissipate heat from the motor shell, this heat dissipation mode has poor heat dissipation effect in hot weather environment, therefore, the piston pump heat dissipation structure is provided. UTILITY MODEL CONTENTS

[0005] The utility model discloses a piston pump's heat dissipation structure.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a piston pump's heat dissipation structure, including the piston pump assembly that is composed of base, pump body, driving motor, the pump body, driving motor installs fixedly in the base top along horizontal in proper order, the driving shaft front end of driving motor is connected with the driving shaft of pump body through the shaft coupling, the outside of driving motor is provided with heat dissipation subassembly, and the heat dissipation subassembly is used to realize the heat dissipation operation of driving motor;

[0007] The heat dissipation subassembly includes air cooling unit, water cooling unit;

[0008] The air cooling unit is used to dissipate heat from the driving motor by air flow;

[0009] The water cooling unit dissipates heat from the driving motor by water flow.

[0010] As a further scheme of the utility model: the air cooling unit includes inverted convex heat dissipation cylinder;

[0011] The inverted convex heat dissipation cylinder is provided with a plurality of inverted convex heat dissipation cylinders, and the inverted convex heat dissipation cylinders are evenly distributed and fixed on the outside of the driving motor in a ring shape, and the inverted convex heat dissipation cylinder is used to increase the heat dissipation area of the driving motor.

[0012] The rear end of the driving shaft of the driving motor penetrates to the outside of the rear end of the driving motor and is connected with a heat dissipation fan, the driving motor drives the heat dissipation fan to operate, and air is blown to the middle gap of the plurality of inverted convex heat dissipation cylinders to realize air cooling operation of the driving motor.

[0013] As a further scheme of the utility model: the water cooling unit includes an annular pipe, a water outlet pipe, a shunt ring seat, a fixed ring seat, a middle water tank, a straight pipe and a water inlet pipe.

[0014] The front ends of the plurality of inverted convex heat dissipation cylinders extend to the front end of the driving motor and are connected with the annular pipe in a conductive manner, and the water outlet pipe is fixed to the outside of the annular pipe and is connected with the annular pipe in a conductive manner.

[0015] The rear ends of the plurality of inverted convex heat dissipation cylinders protrude to the rear end of the driving motor and are connected with the shunt ring seat in a conductive manner, the fixed ring seat is fixed to the front end of the shunt ring seat and extends to the outside of the plurality of inverted convex heat dissipation cylinders, and the fixed ring seat is fixed to the outside of the driving motor through screws.

[0016] The middle water tank is distributed in the middle part of the shunt ring seat, a plurality of straight pipes are arranged, the plurality of straight pipes are annularly distributed around the middle water tank, and the two ends of the straight pipe are respectively connected with the middle water tank and the shunt ring seat in a conductive manner.

[0017] The water inlet pipe is connected to the rear end of the middle water tank and is in communication with the inner cavity of the middle water tank.

[0018] Water flows along the channel composed of the water inlet pipe, the middle water tank, the straight pipe, the shunt ring seat, the inverted convex heat dissipation cylinder, the annular pipe and the water outlet pipe to realize water cooling of the driving motor.

[0019] As a further scheme of the utility model: the heat dissipation fan is distributed on the inner side of the cover structure composed of the shunt ring seat, the middle water tank and the water inlet pipe, the shunt ring seat is provided with a butt joint hole at the position where the shunt ring seat is in contact with the inverted convex heat dissipation cylinder, and a sealing ring is arranged on the inner side of the butt joint hole and in contact with the inverted convex heat dissipation cylinder.

[0020] As a further scheme of the utility model: the inverted convex heat dissipation cylinder corresponding to the position of the wire connection box at the top of the driving motor is avoided from the wire connection box through the bent connecting pipe, and the bent connecting pipe is in communication with the annular pipe.

[0021] Compared with the prior art, the utility model has the advantages of:

[0022] The driving motor can realize two modes of heat dissipation through the heat dissipation assembly, the first mode is air cooling, and the second mode is air cooling plus water cooling, compared with the single air cooling mode, the heat dissipation effect is further improved, and the heat dissipation operation can adapt to high temperature weather. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 It is the structural schematic diagram of the utility model;

[0024] Fig. 2 It is the integral split schematic diagram of the utility model's shunt ring seat and fixed ring seat;

[0025] Fig. 3 It is another view drawing of the utility model's shunt ring seat and fixed ring seat in split state;

[0026] Fig. 4 It is the structural section view of the utility model's shunt ring seat, fixed ring seat and middle water tank;

[0027] Fig. 5 It is the structural section view of the utility model's inverted convex heat dissipation cylinder.

[0028] In the drawing: 1, piston pump assembly; 101, base; 102, pump body; 103, drive motor; 104, heat dissipation fan; 2, heat dissipation assembly; 201, inverted convex heat dissipation cylinder; 202, bent connecting pipe; 203, annular pipe; 204, water outlet pipe; 205, shunt ring seat; 206, fixed ring seat; 207, middle water tank; 208, straight pipe; 209, water inlet pipe; 210, butt joint hole. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0030] Please refer to Figs. 1-5 In the embodiments of the utility model, a heat dissipation structure of piston pump comprises a piston pump assembly 1 composed of a base 101, a pump body 102 and a drive motor 103. The pump body 102 and the drive motor 103 are sequentially installed and fixed on the top of the base 101 horizontally. The drive shaft front end of the drive motor 103 is connected with the drive shaft of the pump body 102 through a shaft coupling. The outer side of the drive motor 103 is provided with a heat dissipation assembly 2 for realizing the heat dissipation operation of the drive motor 103.

[0031] The heat dissipation assembly 2 comprises an air cooling unit and a water cooling unit.

[0032] The air cooling unit is used for cooling the drive motor 103 by air flow.

[0033] The water cooling unit utilizes water flow to cool the driving motor 103;

[0034] The air cooling unit includes inverted convex heat dissipation cylinders 201;

[0035] The inverted convex heat dissipation cylinders 201 are arranged in multiple, and the multiple inverted convex heat dissipation cylinders 201 are evenly distributed in a ring shape and fixed to the outside of the driving motor 103, and the inverted convex heat dissipation cylinders 201 are used to increase the heat dissipation area of the driving motor 103;

[0036] The driving shaft rear end of the driving motor 103 penetrates to the outside of the rear end of the driving motor 103 to connect the heat dissipation fan 104, the driving motor 103 drives the heat dissipation fan 104 to operate, which is used to blow air to the middle gap of the multiple inverted convex heat dissipation cylinders 201, so as to realize the air cooling operation of the driving motor 103;

[0037] The water cooling unit includes a ring-shaped pipe 203, a water outlet pipe 204, a shunt ring seat 205, a fixed ring seat 206, a middle water tank 207, a straight pipe 208, and a water inlet pipe 209;

[0038] The front ends of the multiple inverted convex heat dissipation cylinders 201 extend to the front end of the driving motor 103 and are connected and conducted with the ring-shaped pipe 203, and the water outlet pipe 204 is fixed to the outside of the ring-shaped pipe 203 and is connected and conducted with the ring-shaped pipe 203;

[0039] The rear ends of the multiple inverted convex heat dissipation cylinders 201 protrude to the rear end of the driving motor 103 and are connected and conducted with the shunt ring seat 205, the fixed ring seat 206 is fixed to the front end of the shunt ring seat 205 and extends to the outside of the multiple inverted convex heat dissipation cylinders 201, and the fixed ring seat 206 is fixed to the outside of the driving motor 103 through screws;

[0040] The middle water tank 207 is distributed in the middle part of the shunt ring seat 205, the straight pipe 208 is arranged in multiple, and the multiple straight pipes 208 are arranged in a ring shape with the middle water tank 207 as the center, and the two ends of the straight pipe 208 are respectively connected and conducted with the middle water tank 207 and the shunt ring seat 205;

[0041] The water inlet pipe 209 is connected to the rear end of the middle water tank 207 and is conducted with the inner cavity of the middle water tank 207;

[0042] The water flow flows along the channel composed of the water inlet pipe 209, the middle water tank 207, the straight pipe 208, the shunt ring seat 205, the inverted convex heat dissipation cylinder 201, the ring-shaped pipe 203, and the water outlet pipe 204, which is used to realize the water cooling of the driving motor 103;

[0043] The inverted convex heat dissipation cylinder 201 corresponding to the position of the wire connection box at the top of the driving motor 103 avoids the wire connection box through the bending connection pipe 202, and is communicated with the ring-shaped pipe 203 through the bending connection pipe 202.

[0044] In the embodiment: it needs to be pointed out that: the inverted convex heat dissipation cylinder is composed of a vertical part and a straight cylinder part, the vertical part is fixedly connected with the outer wall of the shell of the driving motor 103, and the inner cavity of the vertical part is in communication with the inner cavity of the straight cylinder part, the horizontal length of the vertical part matches the length of the shell of the driving motor 103, the two ends of the straight cylinder part protrude to the front and rear ends of the driving motor 103 and are fixedly communicated with the annular pipe 203 and the fixed ring seat 206 respectively, and the fixed ring seat 206 and the inside of the middle water tank 207 are in a cavity structure;

[0045] When the piston pump is running, it has the following two heat dissipation modes:

[0046] The first is air cooling, that is, at this time, the external water source is not connected, the heat of the driving motor 103 during operation is transmitted to the inverted convex heat dissipation cylinder 201 through the shell, and is dissipated to the air through the inverted convex heat dissipation cylinder 201, at the same time, the driving motor 103 can drive the heat dissipation fan 104 to rotate synchronously, and the rotation of the heat dissipation fan 104 can push the air to flow to the surface of the inverted convex heat dissipation cylinder 201, further improving the heat dissipation efficiency;

[0047] The second is air cooling + water cooling double heat dissipation, while the heat dissipation fan 104 is air cooling, the communication between the water inlet pipe 209 and the external water pipe is connected, so that the water flows along the channel composed of the water inlet pipe 209, the middle water tank 207, the straight pipe 208, the shunt ring seat 205, the inverted convex heat dissipation cylinder 201, the annular pipe 203 and the water outlet pipe 204, so that the water cooling of the driving motor 103 can be realized, compared with the mode of single air cooling, the heat dissipation effect is further improved, and the heat dissipation operation in high temperature weather can be adapted.

[0048] Please refer to Figs. 1-4 , the heat dissipation fan 104 is distributed inside the cover structure composed of the shunt ring seat 205, the middle water tank 207 and the water inlet pipe 209, the shunt ring seat 205 is provided with a butt joint hole 210 at the position in contact with the inverted convex heat dissipation cylinder 201, and a sealing ring is installed at the inside of the butt joint hole 210 in contact with the inverted convex heat dissipation cylinder 201.

[0049] In the embodiment: through this structure, the detachable operation of the shunt ring seat 205 can be realized, and after the shunt ring seat 205 and the inverted convex heat dissipation cylinder 201 are assembled, good sealing performance can be maintained to ensure stable water flow;

[0050] In addition, through the cover structure composed of the shunt ring seat 205, the middle water tank 207 and the water inlet pipe 209, the air entering the inside of the region can be preliminarily cooled, and then the air blown to the surface of the inverted convex heat dissipation cylinder 201 by the heat dissipation fan 104 is in a lower state, so that the heat dissipation effect can be further improved.

[0051] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A heat dissipation structure of a piston pump, comprising a piston pump assembly (1) composed of a base (101), a pump body (102) and a driving motor (103), the pump body (102) and the driving motor (103) being fixedly installed on the top of the base (101) in sequence along the horizontal direction, and the driving shaft of the driving motor (103) being connected with the driving shaft of the pump body (102) through a shaft coupling, characterized in that, The outer side of the driving motor (103) is provided with a heat dissipation assembly (2) for realizing the heat dissipation operation of the driving motor (103); The heat dissipation assembly (2) comprises an air cooling unit and a water cooling unit; The air cooling unit is used for dissipating heat of the driving motor (103) by air flow; The water cooling unit dissipates heat of the driving motor (103) by water flow.

2. The heat dissipation structure of a piston pump according to claim 1, wherein The air cooling unit comprises a plurality of inverted convex heat dissipation cylinders (201); The inverted convex heat dissipation cylinders (201) are evenly distributed and fixed on the outer side of the driving motor (103) in a ring shape, and are used for increasing the heat dissipation area of the driving motor (103); The rear end of the driving shaft of the driving motor (103) penetrates to the outside of the rear end of the driving motor (103) and is connected with a heat dissipation fan (104), the driving motor (103) drives the heat dissipation fan (104) to run, and is used for blowing air to the middle gap of the plurality of inverted convex heat dissipation cylinders (201), so as to realize the air cooling operation of the driving motor (103).

3. The heat dissipation structure of a piston pump according to claim 2, wherein The water cooling unit comprises a ring-shaped pipe (203), a water outlet pipe (204), a shunt ring seat (205), a fixed ring seat (206), a middle water tank (207), a straight pipe (208) and a water inlet pipe (209); The front end of the plurality of inverted convex heat dissipation cylinders (201) extends to the front end of the driving motor (103) and is connected with the ring-shaped pipe (203), and the water outlet pipe (204) is fixed on the outer side of the ring-shaped pipe (203) and is connected with the ring-shaped pipe (203); The rear end of the plurality of inverted convex heat dissipation cylinders (201) extends to the rear end of the driving motor (103) and is connected with the shunt ring seat (205), the fixed ring seat (206) is fixed on the front end of the shunt ring seat (205) and extends to the outer side of the plurality of inverted convex heat dissipation cylinders (201), and the fixed ring seat (206) is fixed on the outer side of the driving motor (103) by screws; The middle water tank (207) is arranged in the middle part of the shunt ring seat (205), and the straight pipe (208) is arranged in a plurality of forms and is arranged in a ring shape around the middle water tank (207), and the two ends of the straight pipe (208) are connected with the middle water tank (207) and the shunt ring seat (205) respectively; The water inlet pipe (209) is connected with the rear end of the middle water tank (207) and is connected with the inner cavity of the middle water tank (207); The water flow flows along the channel composed of the water inlet pipe (209), the middle water tank (207), the straight pipe (208), the shunt ring seat (205), the inverted convex heat dissipation cylinder (201), the ring-shaped pipe (203) and the water outlet pipe (204), so as to realize the water cooling of the driving motor (103).

4. The heat dissipating structure of a piston pump according to claim 3, wherein The heat dissipation fan (104) is distributed in the inside of the cover structure composed of the flow distribution ring seat (205), the middle water tank (207) and the water inlet pipe (209), the flow distribution ring seat (205) is provided with a butt joint hole (210) at the position in contact with the inverted convex heat dissipation cylinder (201), and a sealing ring is installed at the inside of the butt joint hole (210) in contact with the inverted convex heat dissipation cylinder (201).

5. The heat dissipating structure of a piston pump according to claim 3, wherein The inverted convex heat dissipation cylinder (201) corresponding to the position of the wire connection box at the top of the driving motor (103) is avoided by the bending connection pipe (202), and is communicated with the annular pipe (203) through the bending connection pipe (202).