CN210422908U - Water-cooled motor type four-plunger pump - Google Patents
Water-cooled motor type four-plunger pump Download PDFInfo
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- CN210422908U CN210422908U CN201920992551.9U CN201920992551U CN210422908U CN 210422908 U CN210422908 U CN 210422908U CN 201920992551 U CN201920992551 U CN 201920992551U CN 210422908 U CN210422908 U CN 210422908U
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Abstract
The utility model relates to a water-cooling motor type four-plunger pump, which comprises a motor and a plunger pump, wherein the plunger pump is driven by the motor to run, a cavity shell body with the same shape as the shell body is fixed on the outer surface of the shell body of the motor, a first water inlet and a first water outlet are arranged on the cavity wall of the cavity shell body, and a second water inlet and a second water outlet are arranged on a plunger working cavity of the plunger pump; the first water outlet is communicated with the second water inlet through a first water pipe, the first water inlet is communicated with a water outlet of an external water supply device, and the second water outlet is communicated with a cleaning gun of the high-pressure cleaning machine through a high-pressure pipe; the utility model has the advantages that: through the cooperation use of water-cooled motor and plunger pump, not only play and supply water for the plunger pump, can also reach and enable quick, stable cooling of motor, have the advantage that makes the operating stability of whole plunger pump better, the life-span is longer, convenient to use.
Description
Technical Field
The utility model belongs to the technical field of the plunger pump, especially, relate to a four plunger pumps of water-cooled machine formula.
Background
The high-pressure cleaning machine is a machine which uses a power device (a motor, a gasoline engine or a diesel engine) to enable a high-pressure plunger pump to generate high-pressure water to wash the surface of an object. However, the motor in the power device generally adopts the fan blades to dissipate heat basically in the prior art, and the fan blades are adopted to dissipate heat, so that the heat dissipation is slow and the noise is high; the existing water-cooled motors also have some problems, but the existing water-cooled motors are complex in structure, slow in cooling system operation and simple in function.
Disclosure of Invention
An object of the utility model is to overcome the not enough of prior art existence, and provide a compact structure, convenient to use's four plunger pumps of water-cooled machine formula.
The utility model aims at completing the technical scheme that the water-cooling motor type four-plunger pump comprises a motor and a plunger pump, wherein the plunger pump is driven by the motor to operate, a cavity shell body with the same shape as the shell body is fixed on the outer surface of the shell body of the motor, a first water inlet and a first water outlet are arranged on the cavity wall of the cavity shell body, and a second water inlet and a second water outlet are arranged on a plunger rack of the plunger pump; the first water outlet is communicated with the second water inlet through a first water pipe, the first water inlet is communicated with a water outlet of an external water supply device, and the second water outlet is communicated with a water inlet of the high-pressure cleaning machine.
Preferably, a first backflow port is further formed in the cavity wall of the cavity shell, a mounting block is arranged on the first backflow port, and the mounting block is communicated with the side wall of the first backflow port.
Preferably, a second backflow port is further arranged on the plunger rack of the plunger pump, the second backflow port is communicated with the first backflow port through a second water pipe, and the second water pipe is limited and fixed through the mounting block.
Preferably, a pressure regulating valve for regulating a water pressure of the plunger pump is attached to the first return port.
Preferably, the second backflow port is located above the second water inlet, and the second backflow port and the second water outlet are located on two sides of the plunger rack respectively.
Preferably, the chamber housing is fixed to an outer surface of a housing of the motor by welding or by a sealing assembly.
Preferably, the length of the cavity housing is 1/3 to 1/2 of the motor housing length.
Preferably, plunger holes for four plungers to move are formed in the plunger frame.
The utility model has the advantages that: through the cooperation use of water-cooled motor and plunger pump, not only play and supply water for the plunger pump, can also reach and enable quick, stable cooling of motor, have the advantage that makes the operating stability of whole plunger pump better, the life-span is longer, convenient to use.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the present invention.
The reference numbers in the drawings are respectively: 1. a motor; 2. a plunger pump; 3. a chamber housing; 4. a first water pipe; 5. mounting blocks; 6. a second water pipe; 7. a pressure regulating valve; 8. a plunger; 9. a controller; 11. a housing; 21. a plunger frame; 3-1, a first water inlet; 3-2, a first water outlet; 3-3, a first return port; 21-1 and a second water inlet; 21-2, a second water outlet; 21-3 and a second return port; 21-4, plunger hole.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings 1 and 2: the utility model comprises a motor 1 and a plunger pump 2, wherein the plunger pump 2 is driven by the motor 1 to operate, a cavity shell 3 with the same shape as the shell is fixed on the outer surface of a shell 11 of the motor 1, and the cavity shell 3 is preferably in a ring-shaped structure; a first water inlet 3-1 and a first water outlet 3-2 are arranged on the cavity wall of the cavity shell 3, and a second water inlet 21-1 and a second water outlet 21-2 are arranged on a plunger rack 21 of the plunger pump 2; the first water outlet 3-2 is communicated with the second water inlet 21-1 through a first water pipe 4, the first water inlet 3-1 is communicated with a water outlet of an external water supply device, the second water outlet 21-2 is communicated with a water inlet of a high-pressure cleaning machine, and a controller 9 for controlling the start and stop of the plunger pump 2 is installed in a channel where the second water outlet 21-2 is located; the working principle is as follows:
the water supply device supplies water into a cavity between the shell 11 of the motor 1 and the cavity shell 3, then the water is introduced into a flow channel of a plunger rack 21 in the plunger pump 2 through the first water outlet 3-2 and the first water pipe 4, the plunger 8 in the plunger rack 21 reciprocates (the plunger 8 moves and is driven by the motor 1 and a cam in the plunger pump 2 together) so that the water pressure in the plunger pump 2 continuously rises, then the high-pressure water is introduced into the high-pressure cleaning machine through the second water outlet 21-2, if the water pressure is too high, the water pressure can be adjusted through the pressure adjusting valve 7, and part of water in the plunger pump 2 flows into the cavity between the shell 11 of the motor 1 and the cavity shell 3 through the second water pipe 6.
The first water pipe 4 is a water pipe into which low-pressure water flows, and the second water pipe 6 is a water pipe into which high-pressure water flows.
A first return port 3-3 is also arranged on the cavity wall of the cavity shell 3, a mounting block 5 is arranged on the first return port 3-3, and the mounting block 5 is communicated with the side wall of the first return port 3-3; a plunger rack 21 of the plunger pump 2 is also provided with a second backflow port 21-3, the second backflow port 21-3 is communicated with the first backflow port 3-3 through a second water pipe 6, and the second water pipe 6 is limited and fixed through a mounting block 5; the first return port 3-3 is provided with a pressure regulating valve 7 for regulating the water pressure of the plunger pump 2. This structure is to prevent the pressure in the plunger pump 2 from being too high, and to realize the pressure regulating function by the pressure regulating valve 7 and the above structure.
In order to facilitate the operation of the pressure regulating valve 7 installed on the second return port 21-3, the second return port 21-3 is located above the second water inlet 21-1, and in order to facilitate the structural reasonable arrangement of the plunger rack 21, the second return port 21-3 and the second water outlet 21-2 are respectively located at two sides of the plunger rack 21.
The chamber housing 3 is fixed to the outer surface of the housing 11 of the motor 1 by welding or by a sealing assembly.
In order to arrange the water cooling structure on the whole water-cooled motor reasonably, the length of the cavity shell 3 is 1/3-1/2 of the length of the motor shell 11.
Plunger holes 21-4 which can be used for moving the four plungers 8 are arranged in the plunger rack 21.
The present invention is not limited to the above embodiments, and any change is made on the shape or material composition, and all the structural designs provided by the present invention are all the deformation of the present invention, which should be considered within the protection scope of the present invention.
Claims (8)
1. The utility model provides a four plunger pumps of water-cooled machine formula, includes motor (1), plunger pump (2) are through motor (1) drive operation, its characterized in that: a cavity shell (3) which is consistent with the shell in shape is fixed on the outer surface of a shell (11) of the motor (1), a first water inlet (3-1) and a first water outlet (3-2) are formed in the cavity wall of the cavity shell (3), and a second water inlet (21-1) and a second water outlet (21-2) are formed in a plunger rack (21) of the plunger pump (2); the first water outlet (3-2) is communicated with the second water inlet (21-1) through a first water pipe (4), the first water inlet (3-1) is communicated with a water outlet of an external water supply device, and the second water outlet (21-2) is communicated with a water inlet of the high-pressure cleaning machine.
2. The water-cooled motor type four-plunger pump according to claim 1, characterized in that: the cavity wall of the cavity shell (3) is also provided with a first backflow port (3-3), the first backflow port (3-3) is provided with a mounting block (5), and the mounting block (5) is communicated with the side wall of the first backflow port (3-3).
3. The water-cooled motor type four-plunger pump according to claim 2, characterized in that: a second backflow port (21-3) is further arranged on a plunger rack (21) of the plunger pump (2), the second backflow port (21-3) is communicated with the first backflow port (3-3) through a second water pipe (6), and the second water pipe (6) is limited and fixed through the mounting block (5).
4. The water-cooled motor type four-plunger pump according to claim 2, characterized in that: and a pressure regulating valve (7) for regulating the water pressure of the plunger pump (2) is arranged on the first backflow port (3-3).
5. The water-cooled motor type four-plunger pump according to claim 3, characterized in that: the second backflow port (21-3) is located above the second water inlet (21-1), and the second backflow port (21-3) and the second water outlet (21-2) are located on two sides of the plunger rack (21) respectively.
6. The water-cooled motor type four-plunger pump according to claim 1, characterized in that: the cavity shell (3) is fixed on the outer surface of the shell (11) of the motor (1) in a welding mode or a sealing assembly mode.
7. The water-cooled motor type four-plunger pump according to claim 1, characterized in that: the length of the cavity housing (3) is 1/3 to 1/2 of the length of the motor housing (11).
8. The water-cooled motor type four-plunger pump according to claim 1, characterized in that: plunger holes (21-4) which can be used for moving the four plungers (8) are arranged in the plunger rack (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920992551.9U CN210422908U (en) | 2019-06-28 | 2019-06-28 | Water-cooled motor type four-plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920992551.9U CN210422908U (en) | 2019-06-28 | 2019-06-28 | Water-cooled motor type four-plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210422908U true CN210422908U (en) | 2020-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920992551.9U Active CN210422908U (en) | 2019-06-28 | 2019-06-28 | Water-cooled motor type four-plunger pump |
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| Country | Link |
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| CN (1) | CN210422908U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112112780A (en) * | 2020-09-15 | 2020-12-22 | 温州海宝清洗机械有限公司 | High-pressure cleaning pump |
| CN112761920A (en) * | 2021-01-18 | 2021-05-07 | 燕山大学 | Motor pump with circulation self-cooling runner |
-
2019
- 2019-06-28 CN CN201920992551.9U patent/CN210422908U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112112780A (en) * | 2020-09-15 | 2020-12-22 | 温州海宝清洗机械有限公司 | High-pressure cleaning pump |
| CN112761920A (en) * | 2021-01-18 | 2021-05-07 | 燕山大学 | Motor pump with circulation self-cooling runner |
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