CN218293773U

CN218293773U - Plunger water pump for cleaning machine

Info

Publication number: CN218293773U
Application number: CN202221716173.XU
Authority: CN
Inventors: 罗一涵; 王福忠
Original assignee: Taizhou Furui Machinery Co ltd
Current assignee: Taizhou Furui Machinery Co ltd
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2023-01-13
Anticipated expiration: 2032-07-04

Abstract

The utility model provides a plunger water pump for cleaning machine, the utility model belongs to the technical field of the cleaning machine, it has solved the leakproofness of how to increase the plunger water pump. This plunger water pump for cleaning machine, be provided with the water inlet on the cylinder body and with the inhalant canal of water inlet intercommunication, plunger chamber and limbers have still been seted up on the cylinder body, inhalant canal and limbers are linked together, plunger hole and inlet opening have been seted up on the terminal surface of cylinder cap, the downthehole plunger that is equipped with of plunger, limbers and inlet opening are linked together, be provided with the check valve between limbers and the inlet opening, the inlet opening is linked together through the water hole with the plunger hole, still be equipped with exhalant canal on the cylinder cap, exhalant canal and plunger hole are linked together through the apopore, be connected with the delivery port on the exhalant canal, lie in the terminal surface of end cover on the exhalant canal, be equipped with a plurality of through-hole on the exhalant canal, be equipped with the sprue on the through-hole. This scheme goes out the water passageway and is located the end cover and just with end cover integrated into one piece, has increased the leakproofness of water under high pressure in the water passageway.

Description

Plunger water pump for cleaning machine

Technical Field

The utility model relates to a cleaning machine technical field relates to a plunger water pump for cleaning machine.

Background

The cleaning machine is a machine which uses a power device to make a high-pressure plunger pump generate high-pressure water to wash the surface of an object. It can peel off and wash away dirt to clean the surface of an object. In a washing machine, two types of pumps are generally used: one is a swash plate type, and the other is an axial type, and the structure of the swash plate type high-pressure cleaning machine is generally as follows: the engine drives the swash plate to rotate, the three plungers are driven to do linear reciprocating motion under the action of the swash plate, the three plungers are provided with a water inlet and a water outlet, and one-way valves are arranged in the water inlet channel and the water outlet channel.

For example, the Chinese patent application number is: 202122727337.0, the patent name: the utility model provides a cleaning machine sprayer multipurpose pump, discloses the pump body including cylinder body and cylinder cap, is equipped with three piston hole on the cylinder body, is provided with the chamber of catchmenting between cylinder body and the cylinder cap, and the outlet pipe is connected with the chamber of catchmenting.

In the above-mentioned patent, often adopt commercial power or engine to supply energy, if the output of energy reduces, if adopt on-vehicle voltage to supply power, lead to the output of motor not enough, the spun water of cleaning machine exists pressure and can not reach the problem of washing requirement to catchment the chamber and include the recess of seting up on the faying face of cylinder body and cylinder cap, it leaks probably to appear easily in the chamber that catchments.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided a plunger water pump for cleaning machine, the utility model aims to solve the technical problem that: how to increase the leakproofness of plunger water pump.

The purpose of the utility model can be realized by the following technical proposal: the plunger water pump for the cleaning machine is characterized by comprising a cylinder body and a cylinder cover, wherein the cylinder cover is fixedly connected with the cylinder body, a water inlet and a water inlet channel communicated with the water inlet are formed in the cylinder body, a plunger cavity and a water through hole are further formed in the cylinder body, the water inlet channel is communicated with the water through hole, a plunger hole and a water inlet hole are formed in the end face of the cylinder cover, a plunger is arranged in the plunger hole and communicated with the water inlet hole, a one-way valve is arranged between the water through hole and the water inlet hole, the water inlet hole is communicated with the plunger hole through a water through hole, a water outlet channel is further formed in the cylinder cover and communicated with the plunger hole through a water outlet hole, a water outlet is connected to the water outlet channel, a water outlet pipe is connected to the water outlet channel and located on the end face of an end cover, a plurality of through holes are formed in the water outlet channel, and blocking blocks are arranged on the through holes.

In this scheme, the plunger removes in the plunger downthehole, forms the negative pressure in the plunger downthehole, and low pressure water gets into from the water inlet, enters into the limbers through the passageway of intaking, the inlet opening, crosses water hole and plunger hole, and the removal along with the plunger forms the water under high pressure in the plunger hole, and the water under high pressure gets into out the water passageway from the apopore, finally from the delivery port blowout pump body, goes out the water passageway and is located the end cover and with end cover integrated into one piece, has increased the leakproofness of water under high pressure in the water passageway.

In the plunger pump for the cleaning machine, the water inlet channel is further connected with a backflow port, the water outlet pipe is provided with a pressure regulating valve, the pressure regulating valve is provided with a water return pipe, and the water return pipe is communicated with the backflow port. The pressure regulating valve is used for setting the water spraying pressure of the water outlet, and when the pressure of the water outlet is too high, water enters the return port from the water return pipe.

In the plunger water pump for the washing machine, the number of the plunger cavities and the water through holes is six, eight, ten or twelve, and the number of the plunger holes and the number of the water inlet holes are the same as the number of the plunger holes. The scheme can increase the pressure of water flowing into the water outlet channel by changing the number of the plungers from three to six, eight, ten or twelve, so that the pressure of water sprayed out of the water outlet can be maintained when the output power of the motor is reduced.

In the plunger water pump for the cleaning machine, the number of the water outlet channels corresponds to that of the plunger holes, and the number of the water outlet channels is six. In this scheme, two water outlet channel form a tubular structure, and outlet conduit is corresponding with the plunger hole, and when the inlet channel of cylinder body or cylinder cap took place to block up, can install detection device on the through-hole on water outlet channel, made things convenient for looking for of problem pipeline.

In the plunger water pump for the cleaning machine, the cylinder body is further provided with an installation cavity, the installation cavity is internally provided with a swash plate and six plunger rods, and the plunger rods are uniformly distributed around the center of the swash plate.

In the plunger water pump for the cleaning machine, the cylinder body is further provided with a motor, the motor is connected with a rotating shaft on the swash plate through a gear, and the rotating shaft is rotatably connected to the bearing.

Compared with the prior art, the utility model has the advantages of it is following:

1. the scheme increases the pressure of water flowing into the water outlet channel by changing the number of the plungers from three to six, and can keep the pressure of water sprayed out of the water outlet when the output power of the motor is reduced.

2. In this scheme, go out the water passageway and be located the end cover and with end cover integrated into one piece, increased the leakproofness of water under high pressure in the water passageway.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic structural view of the cylinder body and the cylinder cover of the present invention;

fig. 3 is a schematic cross-sectional view of the present invention;

fig. 4 is a schematic cross-sectional view of the present invention.

In the figure, 1, a cylinder body; 11. a water inlet; 12. a water inlet channel; 13. a water through hole; 14. A plunger cavity; 15. a return port; 16. a mounting cavity; 2. a cylinder cover; 21. a water inlet hole; 22. Water passing holes; 23. a plunger hole; 24. a water outlet hole; 25. a water outlet channel; 251. a through hole; 252. blocking; 26. a water outlet; 3. a water outlet pipe; 31. a water return pipe; 32. a pressure regulating valve; 4. a plunger rod; 5. a spring; 6. a swash plate; 61. a rotating shaft; 7. a bearing; 8. a gear; 9. an electric motor.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 3, the plunger water pump for the cleaning machine comprises a cylinder body 1 and a cylinder cover 2, wherein the cylinder body 1 is connected with a motor 9, an output shaft of the motor 9 is connected with a gear 8, a swash plate 6 is arranged in a mounting cavity 16 of the cylinder body 1, a rotating shaft 61 is arranged on the swash plate 6, the rotating shaft 61 is rotatably connected on a bearing 7, and the rotating shaft 61 is connected with the gear 8 through a spline. The installation cavity 16 is internally provided with 6 plunger rods 4, the plunger rods 4 are abutted against the swash plate 6 and are uniformly distributed around the center of the swash plate 6, the cylinder body 1 is internally provided with a plunger cavity 14, the plunger rods 4 move in the plunger cavity 14, the plunger rods 4 are sleeved with springs 5, one ends of the springs 5 are abutted against the plunger rods 4, and the other ends of the springs 5 are abutted against the plunger cavity 14.

As shown in fig. 2, 3 and 4, the cylinder body 1 is provided with a water inlet 11 and a water inlet channel 12, and the water inlet 11 is communicated with the water inlet channel 12. The cylinder body 1 is also provided with 6 water through holes 13, the water through holes 13 are communicated with the water inlet channel 12, and the water through holes 13 are isolated from the plunger cavity 14. The cylinder cover 2 is fixed on the cylinder body 1 through a threaded screw, 6 water inlet holes 21 corresponding to the water through holes 13 are formed in the cylinder cover 2, when the cylinder cover 2 and the cylinder body 1 are fixed, the water inlet holes 21 are communicated with the water through holes 13, and a one-way valve is arranged between the water inlet holes 21 and the water through holes 13. The cylinder cover 2 is also provided with 6 plunger holes 23, the piston of the plunger rod 4 slides in the plunger holes 23, and the plunger holes 23 are communicated with the water inlet hole 21 through the water through holes 22. The end face of the cylinder cover 2 is provided with 6 water outlet channels 25, and the water outlet channels 25 are communicated with the plunger holes 23 through water outlet holes 24. The outlet passage 25 is provided with a through hole 251, and the through hole 251 is sealed by a block 252. The water outlet channel 25 is also connected with a water outlet 26, the water outlet 26 is connected with a water outlet pipe 3, the water outlet pipe 3 is also provided with a pressure regulating valve 32 and a water return pipe 31, the water inlet channel 12 is provided with a return port 15, and the water return pipe 31 is communicated with the return port 15.

In this embodiment, the outlet pressure of the plunger water pump is set through the pressure regulating valve 32, the motor 9 rotates to drive the swash plate 6 to rotate, the swash plate 6 rotates to drive the piston rod to move, six plungers move in the plunger hole 23, negative pressure is formed in the plunger hole 23, low-pressure water enters from the water inlet 11, enters into the water through hole 13 through the water inlet channel 12, the water inlet hole 21, the water through hole 22 and the plunger hole 23, high-pressure water is formed in the plunger hole 23 along with the movement of the plungers, the high-pressure water enters into the water outlet channel 25 from the water outlet hole 24, and finally is ejected out of the pump body from the water outlet pipe 3, when the pressure of the water outlet pipe 3 is too high, the water enters into the return port 15 from the water return pipe 31, if the water pressure of the plunger water pump is too low, a pressure detecting device can be installed on the through hole 251 of each water outlet channel 25 to judge the blocked pipeline of the plunger water pump.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although 1, cylinder is used more herein; 11. a water inlet; 12. a water inlet channel; 13. a water through hole; 14. a plunger cavity; 15. a return port; 16. a mounting cavity; 2. a cylinder cover; 21. a water inlet hole; 22. water passing holes; 23. a plunger hole; 24. a water outlet hole; 25. a water outlet channel; 251. a through hole; 252. blocking; 26. a water outlet; 3. a water outlet pipe; 31. a water return pipe; 32. a pressure regulating valve; 4. a plunger rod; 5. a spring; 6. a swash plate; 61. a rotating shaft; 7. a bearing; 8. a gear; 9. motors, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The plunger water pump for the cleaning machine is characterized by comprising a cylinder body (1) and a cylinder cover (2), wherein the cylinder cover (2) is fixedly connected with the cylinder body (1), the cylinder body (1) is provided with a water inlet (11) and a water inlet channel (12) communicated with the water inlet (11), the cylinder body (1) is further provided with a plunger cavity (14) and a water through hole (13), the water inlet channel (12) is communicated with the water through hole (13), the end surface of the cylinder cover (2) is provided with a plunger hole (23) and a water inlet hole (21), a plunger is arranged in the plunger hole (23), the water through hole (13) is communicated with the water inlet hole (21), a one-way valve is arranged between the water through hole (13) and the water inlet hole (21), the water inlet hole (21) is communicated with the plunger hole (23) through a water through hole (22), the cylinder cover (2) is further provided with a water outlet channel (25), the water outlet channel (25) is communicated with the plunger hole (23) through the water outlet channel (24), a water outlet channel (25) is connected with a water outlet channel (26), and a water outlet channel (3) is connected with a water outlet channel (25), the through hole (251) is provided with a block (252).

2. The plunger pump for the cleaning machine according to claim 1, characterized in that the water inlet channel (12) is further connected with a return port (15), the water outlet pipe (3) is provided with a pressure regulating valve (32), the pressure regulating valve (32) is provided with a return pipe (31), and the return pipe (31) is communicated with the return port (15).

3. The plunger water pump for washing machine as claimed in claim 2, wherein the number of said plunger chambers and said water passage holes is six, eight, ten or twelve, and the number of said plunger holes and said water inlet holes is the same as the number of said plunger holes.

4. The plunger water pump for the washing machine as claimed in claim 3, wherein the number of the water outlet passages (25) corresponds to the number of the plunger holes (23), and the number of the water outlet passages (25) is six, eight, ten or twelve.

5. The plunger water pump for the cleaning machine as claimed in claim 4, characterized in that the cylinder body (1) is further provided with a mounting chamber (16), the mounting chamber (16) is internally provided with a swash plate (6) and six plunger rods (4), and the plunger rods (4) are uniformly distributed around the center of the swash plate (6).

6. The plunger water pump for the cleaning machine according to claim 5, characterized in that the cylinder block (1) is further provided with a motor (9), the motor (9) is connected with a rotating shaft (61) on the swash plate (6) through a gear (8), and the rotating shaft (61) is rotatably connected on a bearing.