CN216761708U - Spraying device of PC car washer - Google Patents

Abstract

The utility model relates to the technical field of car washing, in particular to a spraying device of a PC car washer, which can automatically wash a car without manually holding a water pipe to wash the car, thereby reducing the labor intensity, improving the working efficiency, simultaneously avoiding water in the washing process from being splashed onto workers, and having convenient use and high practicability; including bottom plate, a frame, the cylinder, the ejector pin, the lifter plate, the outlet pipe, the multiunit shower nozzle, the hose, high pressure water pump, the water tank, the inlet tube, mobile device and rotary device, mobile device installs on the bottom plate, a frame is installed on mobile device, mobile device is used for carrying out the back-and-forth movement to a frame, cylinder fixed mounting is in a frame upper end, slidable mounting is on a frame about the ejector pin, the upper end of ejector pin is connected with the output of cylinder, lifter plate fixed mounting is at the ejector pin lower extreme.

Description

Spraying device of PC car washer

Technical Field

The utility model relates to the technical field of car washing, in particular to a spraying device of a PC car washer.

Background

The PC car washer is a machine for washing a car by using a computer to control a brush and high-pressure water. The car washing is an important step in the car washing process, the current PC car washer washes the car by means of a spraying device, the current spraying device comprises a water pipe and a water pump, the input end of the water pipe is connected with a water source through the water pump, a control unit of the water pump is connected with a computer through a signal line, when the car is washed, the water pump is turned on through the computer, water is sprayed out through the water pipe, the flow rate of the water is adjusted to be suitable for the car washing through the computer, and then a worker holds the water pipe by hand to wash the car; the current spraying device is found in the using process, the vehicle is washed by manually holding the water pipe, the labor intensity is high, the working efficiency is low, water in the washing process is easy to splash onto clothes of workers, and particularly in winter, the water splashed onto the clothes of the workers is easy to catch a cold.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the spraying device of the PC car washer, which can automatically wash the car without manually holding a water pipe to wash the car, reduces the labor intensity, improves the working efficiency, avoids water in the washing process from splashing on workers, is convenient to use and has high practicability.

The utility model relates to a spraying device of a PC car washer, which comprises a bottom plate, a support frame, a cylinder, an ejector rod, a lifting plate, a water outlet pipe, a plurality of groups of spray heads, a hose, a high-pressure water pump, a water tank, a water inlet pipe, a moving device and a rotating device, wherein the moving device is arranged on the bottom plate, the support frame is arranged on the moving device, the moving device is used for moving the support frame back and forth, the cylinder is fixedly arranged at the upper end of the support frame, the ejector rod is vertically and slidably arranged on the support frame, the upper end of the ejector rod is connected with the output end of the cylinder, the lifting plate is fixedly arranged at the lower end of the ejector rod, the lifting plate is vertically and slidably arranged on the support frame, the rotating device is arranged on the lifting plate, the water outlet pipe is arranged on the rotating device, the rotating device is used for rotating the water outlet pipe, the input ends of the plurality of groups of spray heads are all connected with the output end of the water outlet pipe, the input end of the water outlet pipe is connected with the output end of the high-pressure water pump through the hose, the water tank is fixedly arranged at the upper end of the bottom plate, the water tank is internally provided with a cavity, the input end of the high-pressure water pump is communicated with the cavity of the water tank, the water inlet pipe is arranged at the upper part of the water tank, and the water inlet pipe is provided with a valve; firstly, an automobile to be washed is transferred to the upper end of a bottom plate, the front and the back of the automobile are placed at the upper end of the bottom plate, the automobile is positioned below a spray head, then a high-pressure water pump is started, the water in a water tank cavity sequentially enters a water outlet pipe through the high-pressure water pump and a hose, the water in the water outlet pipe is sprayed onto the automobile through a plurality of groups of spray heads to wash the automobile, then a rotating device is started, the rotating device drives the water outlet pipe to rotate, the water outlet pipe drives the plurality of groups of spray heads to rotate, the water flow sprayed out by the plurality of groups of spray heads is aligned to the part to be washed on the automobile, then a moving device is started, the moving device drives a support frame to move back and forth, the support frame drives the water outlet pipe to move back and forth through a lifting plate, the water outlet pipe drives the plurality of groups of spray heads to move back and forth, the front and back of the automobile are uniformly washed, and forth through an external computer to control an air cylinder in the process of the plurality of moving back and forth of spray heads, the air cylinder drives the lifting plate to lift through the ejector rod, the lifting plate enables the water outlet pipe to drive the plurality of groups of spray heads to lift through the rotating device, the heights of the plurality of groups of spray heads are adjusted along with different heights of all parts of the automobile in the front and back moving process, and the distances between the plurality of groups of spray heads and the upper end of the automobile are kept at the distance suitable for washing all the time; it can wash the car automatically, does not need artifical handheld water pipe to wash the car, has reduced intensity of labour, has improved work efficiency, has avoided the water of washing the in-process to sputter the workman on one's body simultaneously, convenient to use, and the practicality is high.

Preferably, the moving device comprises a screw rod, two groups of sliding blocks and two groups of first cone pulleys, the two sets of second cone pulleys, the two sets of rotating shafts, the two sets of fixing plates and the double-shaft motor are arranged on the upper portion of the bottom plate, two sets of sliding chutes are formed in the upper portion of the bottom plate, two sets of screw rods are rotatably installed on the bottom plate, two sets of sliding blocks are slidably installed in the two sets of sliding chutes of the bottom plate back and forth respectively, two sets of sliding blocks are screwed with the two sets of screw rods respectively, a support frame is fixedly installed at the upper ends of the two sets of sliding blocks, two sets of first cone pulleys are fixedly installed at the front ends of the two sets of screw rods respectively, the two sets of first cone pulleys are meshed with the two sets of second cone pulleys respectively, the two sets of second cone pulleys are fixedly installed on the two sets of rotating shafts respectively, the two sets of rotating shafts are rotatably installed on the two sets of fixing plates respectively, the two sets of fixing plates are fixedly installed at the front end of the bottom plate, input ends of the two sets of rotating shafts are connected with two sets of output ends of double-shaft motor respectively, and the double-shaft motor is fixedly installed at the front end of the bottom plate; the double-shaft motor is started, the double-shaft motor enables the two groups of second conical wheels to drive the two groups of first conical wheels to synchronously rotate through the two groups of rotating shafts, the two groups of first conical wheels drive the two groups of lead screws to synchronously rotate, and the two groups of lead screws in rotation enable the support frame to move back and forth through the two groups of sliding blocks, so that the back and forth movement of the support frame is facilitated, and the convenience in the use process is improved.

Preferably, the rotating device comprises two groups of supporting blocks, a rotating shaft, a micro motor and a plurality of groups of connecting plates, wherein the two groups of supporting blocks are fixedly arranged at the lower end of the lifting plate; the micro motor is started, the micro motor enables the multiple groups of connecting plates to drive the water outlet pipes to rotate around the rotating shaft through the rotating shaft, the water outlet pipes drive the multiple groups of spray heads to rotate, water flow sprayed by the multiple groups of spray heads is enabled to aim at parts needing to be washed on the automobile, and reliability in the using process is improved.

Preferably, the stirring device also comprises a driving motor, a driving shaft and a plurality of groups of stirring sheets, wherein the driving motor is fixedly arranged at the upper end of the water tank, the driving shaft is rotatably arranged on the water tank, the upper end of the driving shaft is connected with the output end of the driving motor, and the plurality of groups of stirring sheets are fixedly arranged at the lower part of the driving shaft; when the automobile needs to be washed by using the cleaning agent, the cleaning agent is firstly added into water in a water tank cavity through a water inlet pipe, then a driving motor is started, the driving motor drives a plurality of groups of stirring pieces to rotate through a driving shaft, the plurality of groups of stirring pieces promote relative motion between the water and the cleaning agent in the rotating process, so that the cleaning agent and the water are fully mixed, and then the water mixed with the cleaning agent is used for washing the automobile through a high-pressure water pump, a hose, a water outlet pipe and a plurality of groups of spray heads; the water can be fully mixed with the cleaning agent, so that the cleaning agent and the water can be conveniently mixed, and the convenience is improved.

Preferably, the device also comprises a ventilation pipe, the ventilation pipe is fixedly arranged on the water tank, the left end of the ventilation pipe is communicated with the cavity of the water tank, and the right end of the ventilation pipe is communicated with the external atmosphere; through the arrangement, outside air can enter the cavity of the water tank through the ventilation pipe, so that the pressure in the cavity of the water tank is equal to the outside atmospheric pressure, water is conveniently discharged into and discharged from the cavity of the water tank, and the reliability is improved.

Preferably, a liquid level meter is arranged on the water tank; through the arrangement, the liquid level in the water tank cavity can be conveniently monitored, and the reliability is improved.

Preferably, a waterproof cover is arranged on the double-shaft motor; through the arrangement, water sputtered on the double-shaft motor is reduced, water is prevented from accumulating on the double-shaft motor, the risk that water permeates into a circuit inside the double-shaft motor is reduced, and safety is improved.

Compared with the prior art, the utility model has the beneficial effects that: firstly, an automobile to be washed is transferred to the upper end of a bottom plate, the automobile is placed at the upper end of the bottom plate in a front-back mode, the automobile is located below a push rod, then a high-pressure water pump is started, water in a water tank cavity sequentially enters a water outlet pipe through the high-pressure water pump and a hose, water in the water outlet pipe is sprayed onto the automobile through a plurality of groups of nozzles to wash the automobile, then a rotating device is started, the rotating device drives the water outlet pipe to rotate, the water outlet pipe drives the plurality of groups of nozzles to rotate, water flow sprayed out by the plurality of groups of nozzles is aligned to the part, needing to be washed, on the automobile, then a moving device is started, the moving device drives a support frame to move back and forth, the support frame drives the water outlet pipe to move back and forth through a lifting plate, the water outlet pipe drives the plurality of groups of nozzles to move back and forth, the front and back of the automobile are uniformly washed in the front and back processes of the plurality of groups of nozzles, an external computer controls an air cylinder in the front-back moving process of the plurality of groups of nozzles, the air cylinder drives the lifting plate to lift through the ejector rod, the lifting plate enables the water outlet pipe to drive the plurality of groups of spray heads to lift through the rotating device, the heights of the plurality of groups of spray heads are adjusted along with different heights of all parts of the automobile in the front and back moving process, and the distances between the plurality of groups of spray heads and the upper end of the automobile are kept at the distance suitable for washing all the time; it can wash the car automatically, does not need artifical handheld water pipe to wash the car, has reduced intensity of labour, has improved work efficiency, has avoided the water of washing the in-process to sputter the workman on one's body simultaneously, convenient to use, and the practicality is high.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic structural diagram of a bottom plate, a support frame, a screw rod and the like;

FIG. 3 is a schematic top view of the base plate, lead screw, slide block, etc.;

FIG. 4 is a schematic structural view of the lifting plate, the supporting block, the rotating shaft and the like;

in the drawings, the reference numbers: 1. a base plate; 2. supporting a frame; 3. a cylinder; 4. a top rod; 5. a lifting plate; 6. a water outlet pipe; 7. a spray head; 8. a hose; 9. a high pressure water pump; 10. a water tank; 11. a water inlet pipe; 12. a lead screw; 13. a slider; 14. a first cone pulley; 15. a second cone; 16. a rotating shaft; 17. a fixing plate; 18. a double-shaft motor; 19. supporting a block; 20. a rotating shaft; 21. a micro motor; 22. a connecting plate; 23. a drive motor; 24. a drive shaft; 25. stirring sheets; 26. and a ventilation pipe.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

The cylinder 3 is fixedly arranged at the upper end of the support frame 2, the mandril 4 is vertically and slidably arranged on the support frame 2, the upper end of the mandril 4 is connected with the output end of the cylinder 3, the lifting plate 5 is fixedly arranged at the lower end of the mandril 4, the lifting plate 5 is vertically and slidably arranged on the support frame 2, the rotating device is arranged on the lifting plate 5, the water outlet pipe 6 is arranged on the rotating device, the rotating device is used for rotating the water outlet pipe 6, the input ends of a plurality of groups of spray heads 7 are all connected with the output end of the water outlet pipe 6, the input end of the water outlet pipe 6 is connected with the output end of the high-pressure water pump 9 through a hose 8, the water tank 10 is fixedly arranged at the upper end of the bottom plate 1, a cavity is arranged inside the water tank 10, the input end of the high-pressure water pump 9 is communicated with the cavity of the water tank 10, the water inlet pipe 11 is arranged at the upper part of the water tank 10, a valve is arranged on the water inlet pipe 11, two groups of chutes are arranged on the upper part of the bottom plate 1, and two groups of lead screws 12 are both rotatably arranged on the bottom plate 1, two groups of sliders 13 are respectively arranged in two groups of chutes of the bottom plate 1 in a front-back sliding manner, two groups of sliders 13 are respectively screwed with two groups of screw rods 12, a support frame 2 is fixedly arranged at the upper ends of the two groups of sliders 13, two groups of first cone pulleys 14 are respectively fixedly arranged at the front ends of the two groups of screw rods 12, two groups of first cone pulleys 14 are respectively meshed with two groups of second cone pulleys 15, two groups of second cone pulleys 15 are respectively fixedly arranged on two groups of rotating shafts 16, the two groups of rotating shafts 16 are respectively rotatably arranged on two groups of fixing plates 17, the two groups of fixing plates 17 are both fixedly arranged at the front end of the bottom plate 1, the input ends of the two groups of rotating shafts 16 are respectively connected with two groups of output ends of a double-shaft motor 18, the double-shaft motor 18 is fixedly arranged at the front end of the bottom plate 1, two groups of support blocks 19 are both fixedly arranged at the lower end of the lifting plate 5, a rotating shaft 20 is rotatably arranged on the two groups of support blocks 19, the right end of the rotating shaft 20 is connected with the output end of a micro-motor 21, the micro-motor 21 is fixedly arranged at the lower end of the lifting plate 5, the upper ends of a plurality of groups of connecting plates 22 are all fixedly arranged on the rotating shaft 20, the water outlet pipe 6 is fixedly arranged at the lower ends of the plurality of groups of connecting plates 22, the driving motor 23 is fixedly arranged at the upper end of the water tank 10, the driving shaft 24 is rotatably arranged on the water tank 10, the upper end of the driving shaft 24 is connected with the output end of the driving motor 23, a plurality of groups of stirring blades 25 are all fixedly arranged at the lower part of the driving shaft 24, the left end of the ventilation pipe 26 is communicated with the cavity of the water tank 10, and the right end of the ventilation pipe 26 is communicated with the external atmosphere; firstly, an automobile to be washed is transferred to the upper end of a bottom plate 1, the front and the back of the automobile are placed at the upper end of the bottom plate 1, the automobile is positioned below a spray head 7, then a high-pressure water pump 9 is started, water in a cavity of a water tank 10 is enabled to enter a water outlet pipe 6 through the high-pressure water pump 9 and a hose 8 in sequence by the high-pressure water pump 9, the water in the water outlet pipe 6 is sprayed onto the automobile through a plurality of groups of spray heads 7 to wash the automobile, then a micro motor 21 is started, the micro motor 21 enables a plurality of groups of connecting plates 22 to drive the water outlet pipe 6 to rotate around a rotating shaft 20 through the rotating shaft 20, the water outlet pipe 6 drives the plurality of groups of spray heads 7 to rotate, water flow sprayed by the plurality of groups of spray heads 7 is enabled to be aligned to the part to be washed on the automobile, then a double-shaft motor 18 is started, the double-shaft motor 18 enables two groups of second cone wheels 15 to drive two groups of first cone wheels 14 to rotate, the two groups of first cone wheels 14 drive two groups of lead screws 12 to synchronously rotate, two groups of rotating screws 12 enable a support frame 2 to move back and forth through two groups of sliding blocks 13, the support frame 2 enables two groups of support blocks 19 to drive a rotating shaft 20 to move back and forth through a lifting plate 5, the rotating shaft 20 enables a water outlet pipe 6 to drive a plurality of groups of spray heads 7 to move back and forth through a plurality of groups of connecting plates 22, the front and back two parts of an automobile are uniformly washed in the front and back moving process of the plurality of groups of spray heads 7, an external computer controls an air cylinder 3 in the front and back moving process of the plurality of groups of spray heads 7, the air cylinder 3 drives the lifting plate 5 to lift through an ejector rod 4, the lifting plate 5 enables the rotating shaft 20 to drive a plurality of groups of connecting plates 22 to lift through the two groups of support blocks 19, the plurality of groups of spray heads 7 lift through the water outlet pipe 6, the heights of the plurality of groups of spray heads 7 are adjusted along with different heights of the automobile in the front and back moving process, the distances between the plurality of spray heads 7 and the upper end of the automobile are always kept at a distance suitable for washing, when the automobile needs to be washed by using a cleaning agent, firstly, adding a cleaning agent into water in a cavity of a water tank 10 through a water inlet pipe 11, then, turning on a driving motor 23, driving the driving motor 23 to drive a plurality of groups of stirring blades 25 to rotate through a driving shaft 24, promoting the relative motion between the water and the cleaning agent in the rotating process of the plurality of groups of stirring blades 25, fully mixing the cleaning agent and the water, and then, washing the automobile through the water mixed with the cleaning agent through a high-pressure water pump 9, a hose 8, a water outlet pipe 6 and a plurality of groups of spray nozzles 7; can wash the car automatically, do not need artifical handheld water pipe to wash the car, reduce intensity of labour, improve work efficiency, avoided the water of washing the in-process to sputter the workman on one's body simultaneously, convenient to use, the practicality is high.

As shown in figures 1 to 4, when the spraying device of the PC car washer of the utility model works, firstly, a car needing to be washed is transferred to the upper end of a bottom plate 1, the car is placed at the front and back of the upper end of the bottom plate 1, the car is positioned below a spray head 7, then a high-pressure water pump 9 is started, the high-pressure water pump 9 makes water in a cavity of a water tank 10 enter a water outlet pipe 6 through the high-pressure water pump 9 and a hose 8 in sequence, the water in the water outlet pipe 6 is sprayed on the car through a plurality of groups of spray heads 7 to wash the car, then a micro motor 21 is started, the micro motor 21 makes a plurality of groups of connecting plates 22 drive the water outlet pipe 6 to rotate around a rotating shaft 20 through the rotating shaft 20, the water outlet pipe 6 drives the plurality of groups of spray heads 7 to align water flow sprayed by the plurality of groups of spray heads 7 to the part needing to be washed on the car, then the double-shaft motor 18 is started, the double-shaft motor 18 makes two groups of second cone wheels 15 drive two groups of first cone wheels 14 to rotate through two groups of rotating shafts 16, two groups of first cone pulleys 14 drive two groups of screw rods 12 to synchronously rotate, the two groups of rotating screw rods 12 enable a support frame 2 to move back and forth through two groups of sliding blocks 13, the support frame 2 enables two groups of support blocks 19 to drive a rotating shaft 20 to move back and forth through a lifting plate 5, the rotating shaft 20 enables a water outlet pipe 6 to drive a plurality of groups of spray heads 7 to move back and forth through a plurality of groups of connecting plates 22, the front and back parts of an automobile are uniformly washed in the back and forth movement process of the plurality of groups of spray heads 7, an external computer controls an air cylinder 3 in the back and forth movement process of the plurality of groups of spray heads 7, the air cylinder 3 drives the lifting plate 5 to lift through an ejector rod 4, the lifting plate 5 enables the rotating shaft 20 to drive a plurality of groups of connecting plates 22 to lift through the two groups of supporting blocks 19, the plurality of groups of connecting plates 22 enable the plurality of groups of spray heads 7 to lift through the water outlet pipe 6, the plurality of spray heads 7 are enabled to adjust heights along with the heights of the automobile in the front and back movement process, the distances between the plurality of spray heads 7 and the upper end of the automobile are always kept at a distance suitable for washing, when the automobile needs to be washed by using the cleaning agent, the cleaning agent is firstly added into the water in the cavity of the water tank 10 through the water inlet pipe 11, then the driving motor 23 is opened, the driving motor 23 drives the multiple groups of stirring sheets 25 to rotate through the driving shaft 24, the multiple groups of stirring sheets 25 promote the relative motion between the water and the cleaning agent in the rotating process, so that the cleaning agent and the water are fully mixed, and then the automobile is washed by the water mixed with the cleaning agent through the high-pressure water pump 9, the hose 8, the water outlet pipe 6 and the multiple groups of spray heads 7.

The installation mode, the connection mode or the arrangement mode of the spraying device of the PC car washer are common mechanical modes, and the spraying device can be implemented as long as the beneficial effects of the spraying device can be achieved; the cylinder 3, the spray head 7, the high-pressure water pump 9, the double-shaft motor 18, the micro motor 21 and the stirring sheet 25 of the spraying device of the PC car washer are purchased from the market, and the technical personnel in the industry only need to install and operate according to the attached operating instructions without creative labor of the technical personnel in the field.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (7)

1. A spray device of a PC car washer is characterized by comprising a bottom plate (1), a support frame (2), a cylinder (3), an ejector rod (4), a lifting plate (5), a water outlet pipe (6), a plurality of groups of spray heads (7), a hose (8), a high-pressure water pump (9), a water tank (10), a water inlet pipe (11), a moving device and a rotating device, wherein the moving device is arranged on the bottom plate (1), the support frame (2) is arranged on the moving device, the moving device is used for moving the support frame (2) back and forth, the cylinder (3) is fixedly arranged at the upper end of the support frame (2), the ejector rod (4) is vertically and slidably arranged on the support frame (2), the upper end of the ejector rod (4) is connected with the output end of the cylinder (3), the lifting plate (5) is fixedly arranged at the lower end of the ejector rod (4), the lifting plate (5) is vertically and slidably arranged on the support frame (2), the rotating device is arranged on the lifting plate (5), the water outlet pipe (6) is installed on the rotating device, the rotating device is used for rotating the water outlet pipe (6), the input ends of the multiple groups of spray heads (7) are connected with the output end of the water outlet pipe (6), the input end of the water outlet pipe (6) is connected with the output end of the high-pressure water pump (9) through a hose (8), the water tank (10) is fixedly installed at the upper end of the bottom plate (1), a cavity is arranged inside the water tank (10), the input end of the high-pressure water pump (9) is communicated with the cavity of the water tank (10), the water inlet pipe (11) is installed on the upper portion of the water tank (10), and a valve is arranged on the water inlet pipe (11).

2. The spraying device of a PC car washer according to claim 1, wherein the moving device comprises a lead screw (12), two sets of sliding blocks (13), two sets of first cone pulleys (14), two sets of second cone pulleys (15), two sets of rotating shafts (16), two sets of fixing plates (17) and a biaxial motor (18), two sets of sliding grooves are arranged on the upper portion of the bottom plate (1), two sets of lead screws (12) are rotatably mounted on the bottom plate (1), two sets of sliding blocks (13) are respectively slidably mounted in the two sets of sliding grooves of the bottom plate (1) back and forth, two sets of sliding blocks (13) are respectively screwed with two sets of lead screws (12), the supporting frame (2) is fixedly mounted at the upper ends of the two sets of sliding blocks (13), two sets of first cone pulleys (14) are respectively fixedly mounted at the front ends of the two sets of lead screws (12), two sets of first cone pulleys (14) are respectively engaged with the two sets of second cone pulleys (15), two sets of second cone pulleys (15) are respectively fixedly mounted on two sets of rotating shafts (16), two sets of rotation axes (16) rotate respectively and install on two sets of fixed plates (17), and the equal fixed mounting of two sets of fixed plates (17) is in bottom plate (1) front end, and the input of two sets of rotation axes (16) is connected with two sets of outputs of double-shaft motor (18) respectively, and double-shaft motor (18) fixed mounting is in bottom plate (1) front end.

3. The spraying device of a PC car washer according to claim 1, wherein the rotating device comprises two sets of supporting blocks (19), a rotating shaft (20), a micro motor (21) and a plurality of sets of connecting plates (22), the two sets of supporting blocks (19) are both fixedly installed at the lower end of the lifting plate (5), the rotating shaft (20) is rotatably installed on the two sets of supporting blocks (19), the right end of the rotating shaft (20) is connected with the output end of the micro motor (21), the micro motor (21) is fixedly installed at the lower end of the lifting plate (5), the upper ends of the plurality of sets of connecting plates (22) are both fixedly installed on the rotating shaft (20), and the water outlet pipe (6) is fixedly installed at the lower ends of the plurality of sets of connecting plates (22).

4. The spraying device of a PC car washer according to claim 1, characterized in that, it further comprises a driving motor (23), a driving shaft (24) and a plurality of groups of stirring plates (25), the driving motor (23) is fixedly installed on the upper end of the water tank (10), the driving shaft (24) is rotatably installed on the water tank (10), the upper end of the driving shaft (24) is connected with the output end of the driving motor (23), and the plurality of groups of stirring plates (25) are all fixedly installed on the lower portion of the driving shaft (24).

5. A shower device for a PC car washer according to claim 1, characterized in that it further comprises a ventilation pipe (26), the ventilation pipe (26) is fixedly installed on the water tank (10), the left end of the ventilation pipe (26) is communicated with the chamber of the water tank (10), and the right end of the ventilation pipe (26) is communicated with the outside atmosphere.

6. The spraying device of a PC car washer according to claim 1, characterized in that a liquid level meter is arranged on the water tank (10).

7. A PC car washer spray system as claimed in claim 2, characterized in that the double shaft motor (18) is provided with a waterproof cover.

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