Cleaning Machine

Abstract

The present application relates to the field of cleaning equipment, in particular to a cleaning machine, which includes a mobile frame, a fixed frame and a spray gun, wherein the fixed frame includes a fixed rod and a support rod, wherein the fixed rod is fixedly connected to the upper end of the mobile frame, wherein the support rod is fixedly connected to the outer wall of the fixed rod, wherein an installation groove opening upward is formed between the support rod and the fixed rod, and wherein the spray gun is provided with a gripping opening, wherein the gripping opening is used for the support rod to pass through. The support rod passes through the gripping opening, so that the spray gun can be hung on the support rod, which is convenient for temporarily placing the spray gun and reducing the probability of the spray gun being damaged due to being placed anywhere. The support rod is located at a higher position, which reduces the probability of accidental touch by unrelated personnel and protects people's personal safety.

Description

Technical Field

[0001] The present application relates to the field of cleaning equipment, and in particular to a cleaning machine. Background Art

[0002] A cleaning machine is a device used to clean the surface of an object and is widely used in various industries and fields. A high-pressure cleaning machine generates high-pressure water or cleaning liquid through a high-pressure pump, and uses high-pressure spray to impact the surface of the object, peeling off and washing away the dirt. The spray gun is an important part of the cleaning machine equipment. It is responsible for spraying the cleaning liquid or water at high pressure and high speed onto the surface of the object to be cleaned to achieve the purpose of cleaning.

[0003] The existing cleaning machines are not provided with a device for temporarily placing the spray gun. When the spray gun needs to be temporarily placed after use, there is no place to put it. Users generally throw the spray gun on the ground at will, which is not only easy to dirty the spray gun, but also easy to be stepped on, affecting the service life of the spray gun. When the spray gun is temporarily placed, unrelated personnel, especially children, are prone to accidentally touch the spray gun. Since the water pressure of the spray gun is very high, improper operation is easy to cause injuries to people. Summary of the invention

[0004] In order to protect people's personal safety, the present application provides a cleaning machine.

[0005] The cleaning machine provided in this application adopts the following technical solution:

[0006] A cleaning machine comprises a movable frame, a fixed frame and a spray gun, wherein the fixed frame comprises a fixed rod and a support rod, wherein the fixed rod is fixedly connected to the upper end of the movable frame, the support rod is fixedly connected to the outer wall of the fixed rod, and an installation groove opening upward is formed between the support rod and the fixed rod, and the spray gun is provided with a holding opening for allowing the support rod to pass through.

[0007] By adopting the above technical solution, the support rod passes through the holding opening, so that the spray gun can be hung on the support rod, which is convenient for temporary placement of the spray gun and reduces the probability of the spray gun being damaged due to being placed anywhere. The position of the support rod is relatively high, which reduces the probability of accidental touch by unrelated personnel and protects people's personal safety.

[0008] Preferably, it also includes a main body, a connecting pipe and a control valve, the main body is provided with a water outlet, the two ends of the spray gun are respectively provided with a liquid inlet and a liquid outlet, the spray gun is provided with a flow channel, the two ends of the flow channel are respectively connected to the liquid inlet and the liquid outlet, the connecting pipe is coaxially fixedly connected to the inner wall of the water outlet, one end of the connecting pipe is coaxially fixedly connected to the inner wall of the liquid inlet, the control valve is connected to the inner wall of the flow channel, and the control valve is used to control the on and off of the flow channel.

[0009] By adopting the above technical solution, when using the spray gun, the opening and closing of the control valve can be manually controlled. When the spray gun is temporarily placed, the control valve can be closed to reduce the probability of safety accidents caused by high-pressure liquid injection and protect people's personal safety.

[0010] Preferably, it also includes a control handle and a connecting piece, the spray gun is provided with an installation cavity, the installation cavity is provided on the outer periphery of the flow channel, the control valve is provided as a ball valve, the valve stem of the control valve extends into the installation cavity, the inner wall of the holding port facing away from the flow channel is provided with a connecting port, the connecting port is connected to the installation cavity, the control handle passes through the connecting port, and the control handle is connected to the valve stem of the control valve through a connecting piece.

[0011] By adopting the above technical solution, the control handle is convenient for the user to operate the control valve, and is convenient for the user to use the spray gun, thereby improving convenience.

[0012] Preferably, the connecting member includes a first gear, a first rack and a first spring, the first gear is coaxially fixedly connected to the valve stem of the control valve, the first rack is arranged between the control handle and the liquid outlet, the first rack is slidably connected to the inner wall of the installation cavity, the first rack is meshed with the first gear, the first spring is arranged on the side of the first rack away from the control handle, one end of the first spring is fixedly connected to the inner wall of the installation cavity, the other end of the first spring is fixedly connected to the first rack, the outer wall of the control handle is fixedly connected with a hinge column, the hinge column is hinged to the inner wall of the connecting port, the hinge axis of the hinge column is perpendicular to the sliding direction of the first rack, the first rack is arranged on the side of the hinge column away from the holding port, and the control handle abuts against one end of the first rack away from the first spring.

[0013] By adopting the above technical solution, the manual operation control handle rotates, pushing the first rack to move, the first gear rotates, the flow channel is connected, water flows out of the liquid outlet, and the first spring is compressed. When the control handle is not subject to force, the first spring recovers its deformation and pushes the control handle to reset, making it easier for users to use the spray gun.

[0014] Preferably, the outer wall of the support rod is used to abut against the inner wall of the holding opening away from the flow channel and the outer wall of the control handle away from the first rack.

[0015] By adopting the above technical solution, when the spray gun is hung on the support rod, the support rod abuts against the control handle, so that the control handle cannot be rotated. When the spray gun is temporarily placed, it is not easy for unintentional touch by unrelated personnel to cause liquid spraying, thereby protecting people's personal safety.

[0016] Preferably, it also includes a spray head, which includes a connecting pipe and a nozzle. One end of the spray gun is fixedly connected to a connecting ring, the connecting ring is connected to the liquid outlet, the connecting pipe is coaxially provided with a connecting port, the connecting ring is threadedly connected to the inner wall of the connecting port, the nozzle is connected to the connecting pipe, and the nozzle is used to control the water outlet.

[0017] By adopting the above technical solution, the nozzle and the spray gun can be detachably connected, so that the nozzle can be replaced according to user needs, which is convenient for users to use.

[0018] Preferably, the nozzle includes a rotating cylinder, a toothed disc and a sliding block, the inner wall of the rotating cylinder is coaxially rotatably connected to the outer wall of the connecting tube, the end of the connecting tube facing away from the spray gun is coaxially provided with an annular groove, the annular groove is provided at the outer periphery of the connecting port, the toothed disc is coaxially fixedly connected to the inner wall of the rotating cylinder, the toothed disc is embedded in the annular groove, the end of the toothed disc facing away from the spray gun is provided with a plane thread, the sliding block is provided on the side of the toothed disc away from the spray gun, the sliding block is slidably connected to the connecting tube, the sliding direction of the sliding block is along the radial direction of the connecting tube, the end of the sliding block facing the toothed disc is provided with a connecting thread, the plane thread is engaged with the connecting thread, two sliding blocks are provided, the two sliding blocks are evenly spaced around the axis of the connecting port, and the sliding block is used to seal the connecting port.

[0019] By adopting the above technical solution, the rotation of the rotating cylinder drives the toothed disk to rotate, and the sliding block slides to control the area of ​​the connection port, thereby controlling the opening size of the connection port. When the spray gun is temporarily placed, the rotating cylinder is rotated so that the two sliding blocks abut against each other to cover the connection port. If the control handle is accidentally touched due to irrelevant heat source, water cannot be discharged, thereby protecting people's personal safety.

[0020] Preferably, it also includes a sliding rod, a locking column, a transmission part and a second spring, wherein the inner wall of the flow channel facing the liquid outlet is provided with a sliding hole, the sliding hole is connected to the installation cavity, the sliding rod is slidably connected to the inner wall of the sliding hole, the sliding direction of the sliding rod is parallel to the axis of the liquid outlet, the inner wall of the installation cavity away from the holding mouth is provided with a placement groove, the locking column is slidably connected to the groove wall of the placement groove, the first rack is provided with a locking hole, and the locking hole is used for the locking column to be embedded, the sliding rod is connected to the locking column through the transmission part, the sliding rod is fixedly connected to the locking column at one end facing the liquid outlet, and the sliding block is fixedly connected to the magnetic block at one end facing the liquid outlet, when the two sliding blocks abut against each other, the magnetic block attracts the iron block, the second spring is arranged in the installation cavity, the second spring is sleeved on the outer periphery of the sliding rod, one end of the second spring is fixedly connected to the outer wall of the installation cavity away from the liquid outlet, and the other end of the second spring is fixedly connected to the outer wall of the sliding rod.

[0021] By adopting the above technical solution, when the two sliding blocks approach each other to cover the connecting port, the magnetic block approaches the iron block, the sliding rod slides, the second spring is compressed, and the locking column is driven to slide away from the locking port through the transmission member. When the two sliding blocks move away from each other, the connecting port opens, the magnetic block moves away from the iron block, the second spring recovers its deformation to make the sliding rod slide, and drives the locking column to embed into the locking port through the transmission member, so that the control handle cannot rotate. If the connecting port is opened, an unrelated person may accidentally touch the control handle and fail to open the control valve, thereby protecting people's personal safety.

[0022] Preferably, the transmission member includes a second rack, a third rack and a second gear, the second rack is fixedly connected to the end of the sliding rod away from the liquid outlet, the third rack is fixedly connected to the end of the locking column away from the first rack, the second gear is arranged on the side of the third rack away from the liquid outlet, the second gear is coaxially connected to the groove wall of the placement groove, and the second rack and the third rack are both meshed with the second gear.

[0023] By adopting the above technical solution, the sliding rod slides and drives the second rack to move, the second gear rotates, and the third rack moves, so the control is stable and easy to use.

[0024] In summary, the present application includes at least one of the following beneficial technical effects:

[0025] The support rod passes through the gripping opening, so that the spray gun can be hung on the support rod, which is convenient for temporary placement of the spray gun and reduces the probability of damage to the spray gun due to being placed anywhere. The support rod is located at a higher position, which reduces the probability of accidental touch by unrelated personnel and protects people's personal safety.

[0026] When the spray gun is hung on the support rod, the support rod abuts against the control handle, so that the control handle cannot be rotated. When the spray gun is temporarily placed, it is not easy for unauthorized personnel to accidentally touch it and cause liquid spraying, thus protecting people's personal safety.

[0027] When the two sliding blocks are close to each other to cover the connecting port, the magnetic block approaches the iron block, the sliding rod slides, the second spring is compressed, and the locking column is driven to slide away from the locking port through the transmission member. When the two sliding blocks are away from each other, the connecting port is opened, the magnetic block is away from the iron block, the second spring recovers its deformation to make the sliding rod slide, and the locking column is driven to embed into the locking port through the transmission member, so that the control handle cannot be rotated. If the connecting port is opened, an unrelated person may accidentally touch the control handle and the control valve cannot be opened, thereby protecting people's personal safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall structure of the cleaning machine.

[0029] Figure 2 It is a cross-sectional view of the spray gun, control assembly, nozzle and protection assembly.

[0030] Figure 3 It is a cross-sectional view of the cleaning machine.

[0031] Figure 4 It is a cross-sectional view of the spray gun, control assembly, nozzle and protection assembly, mainly used to display the control assembly and protection assembly.

[0032] Figure 5 It is a schematic diagram of the overall structure of a nozzle in an embodiment.

[0033] Explanation of reference numerals: 1. mobile frame; 11. support plate; 12. universal wheel; 13. push rod; 2. main body; 21. water storage chamber; 211. water storage cavity; 212. water outlet; 22. water tank; 221. accommodating cavity; 23. compressor; 24. driving motor; 25. water pump; 26. connecting pipe; 27. one-way valve; 3. spray gun; 31. liquid inlet; 32. liquid outlet; 33. flow channel; 34. installation cavity; 341. placement groove; 35. holding port; 351. connecting port; 36. connecting ring; 37. sliding port; 4. connecting pipe; 5. control assembly; 51. control valve; 52. control handle; 521. hinged column; 53. connecting piece; 531. first gear; 532. first rack; 5321. lock Tight mouth; 533, first spring; 6, fixed frame; 61, fixed rod; 62, support rod; 63, installation groove; 7, nozzle; 71, connecting pipe; 711, connecting port; 712, limiting groove; 713, ring groove; 714, dovetail groove; 72, nozzle; 721, fixed plate; 7211, installation port; 722, rotating cylinder; 7221, spray port; 7222, limiting ring; 723, toothed disc; 7231, plane thread; 724, sliding block; 7241, connecting thread; 7242, magnetic block; 8, protection component; 81, sliding rod; 811, iron block; 82, second spring; 83, locking column; 84, transmission member; 841, second rack; 842, third rack; 843, second gear. DETAILED DESCRIPTION

[0034] The following is combined with Figure 1-5 This application is described in further detail.

[0035] The present application embodiment discloses a cleaning machine. Figure 1 and Figure 2 The cleaning machine includes a mobile frame 1, a main body 2, a spray gun 3, a connecting pipe 4, a control component 5, a fixed frame 6, a spray head 7 and a protection component 8.

[0036] Reference Figure 1 The mobile frame 1 includes a support plate 11, a universal wheel 12 and a push rod 13. The universal wheel 12 is fixedly connected to the lower end of the support plate 11. Four universal wheels 12 are provided. The four universal wheels 12 are respectively close to the four corners of the support plate 11. The push rod 13 is fixedly connected to the upper end of the support plate 11. The push rod 13 is used for the user to push the mobile frame 1.

[0037] Reference Figure 3The main body 2 includes a water storage chamber 21, a water tank 22, a compressor 23, a drive motor 24, a water pump 25, a connecting pipe 26 and a one-way valve 27. The water storage chamber 21, the water tank 22 and the compressor 23 are all fixedly connected to the upper end of the support plate 11. The water storage chamber 21 is arranged on the side of the water tank 22 away from the push rod 13. The compressor 23 is arranged on the side of the water storage chamber 21 away from the water tank 22. The motor housing of the drive motor 24 is fixedly connected to the upper end of the water storage chamber 21. The motor shaft of the drive motor 24 is connected to the compressor 23 through a synchronous wheel and a synchronous belt. The crankshaft of the compressor 23, the water storage chamber 21 is provided with a water storage chamber 211, the air outlet of the compressor 23 is connected to the water storage chamber 211, the water tank 22 is provided with a accommodating chamber 221, the pump body of the water pump 25 is fixedly connected to the inner wall of the accommodating chamber 221, one end of the connecting pipe 26 is coaxially fixedly connected to the inner wall of the outlet of the water pump 25, the other end of the connecting pipe 26 extends out of the water tank 22 and is connected to the water storage chamber 211, the one-way valve 27 is fixedly connected to the inner wall of the connecting pipe 26, and the one-way valve 27 allows water to flow from the water tank 22 to the water storage chamber 21 in a one-way direction.

[0038] Reference Figure 2 and Figure 3 A liquid inlet 31 and a liquid outlet 32 ​​are respectively provided at both ends of the spray gun 3, and the spray gun 3 is provided with a flow channel 33. The two ends of the flow channel 33 are respectively connected to the liquid inlet 31 and the liquid outlet 32. A water outlet 212 is provided at the upper end of the water storage chamber 21, and the water outlet 212 is connected to the water storage cavity 211. The connecting pipe 4 is coaxially fixedly connected to the inner wall of the water outlet 212, one end of the connecting pipe 4 is close to the bottom wall of the water storage cavity 211, and the other end of the connecting pipe 4 is coaxially fixedly connected to the inner wall of the liquid inlet 31.

[0039] Reference Figure 2 and Figure 4 The control assembly 5 includes a control valve 51, a control handle 52 and a connector 53. The spray gun 3 is provided with an installation cavity 34, which is arranged at the periphery of the flow channel 33. The control valve 51 is connected to the inner wall of the flow channel 33. The control valve 51 is used to control the on and off of the flow channel 33. The control valve 51 is set as a ball valve, and the valve stem of the control valve 51 extends into the installation cavity 34. The spray gun 3 is provided with a holding port 35, and the inner wall of the holding port 35 away from the flow channel 33 is provided with a connecting port 351, and the connecting port 351 is connected to the installation cavity 34. The control handle 52 passes through the connecting port 351, and the outer wall of the control handle 52 is fixedly connected with a hinge column 521, which is hinged to the inner wall of the connecting port 351, and the hinge axis of the hinge column 521 is parallel to the rotation axis of the control valve 51. The outer wall of the control handle 52 away from the liquid outlet 32 ​​is attached to the inner wall of the connecting port 351.

[0040] The connecting member 53 includes a first gear 531, a first rack 532 and a first spring 533. The first gear 531 is coaxially fixedly connected to the valve stem of the control valve 51. The first rack 532 is arranged between the control handle 52 and the liquid outlet 32. The first rack 532 is arranged between the control valve 51 and the hinge column 521. The first rack 532 is slidably connected to the inner wall of the installation cavity 34 away from the holding port 35. The sliding direction of the first rack 532 is parallel to the axial direction of the liquid outlet 32. The first rack 532 is meshed with the first gear 531. The first spring 533 is arranged on the side of the first rack 532 away from the control handle 52. One end of the first spring 533 is fixedly connected to the inner wall of the installation cavity 34. The other end of the first spring 533 is fixedly connected to the first rack 532. The control handle 52 abuts against one end of the first rack 532 away from the first spring 533.

[0041] Reference Figure 1 and Figure 2 The fixing frame 6 includes a fixing rod 61 and a supporting rod 62. The fixing rod 61 is fixedly connected to the upper end of the supporting plate 11, and the supporting rod 62 is fixedly connected to the outer wall of the fixing rod 61. A mounting groove 63 with an upward opening is formed between the supporting rod 62 and the fixing rod 61, and the holding opening 35 is used for the supporting rod 62 to pass through. The outer wall of the supporting rod 62 is used to abut against the inner wall of the holding opening 35 away from the flow channel 33 and the outer wall of the control handle 52 away from the first rack 532.

[0042] Reference Figure 2 The spray head 7 includes a connecting pipe 71 and a nozzle 72. One end of the spray gun 3 is fixedly connected to a connecting ring 36, the connecting ring 36 is connected to the liquid outlet 32, the connecting pipe 71 is coaxially provided with a connecting port 711, the connecting ring 36 is threadedly connected to the inner wall of the connecting port 711, and the nozzle 72 is connected to the connecting pipe 71. The nozzle 72 is used to control the water outlet, and the nozzle 72 is provided with multiple types.

[0043] Reference Figure 5 In one embodiment, the nozzle 72 includes a fixed plate 721 and a rotating cylinder 722. The fixed plate 721 is provided with a mounting port 7211, and the mounting port 7211 is arranged on the outer periphery of the axis of the fixed plate 721. The connecting pipe 71 is coaxially fixedly connected to the inner wall of the mounting port 7211. The rotating cylinder 722 is coaxially rotatably connected to the fixed plate 721. The rotating cylinder 722 is provided with a plurality of liquid spraying ports 7221, and the plurality of liquid spraying ports 7221 are evenly spaced around the axis of the rotating cylinder 722. The liquid spraying ports 7221 are connected to the mounting port 7211. The opening shapes and sizes of the liquid spraying ports 7221 are different, which is convenient for controlling the water output.

[0044] Reference Figure 2In another embodiment, the nozzle 72 includes a rotating cylinder 722, a toothed disc 723 and a sliding block 724. The inner wall of the rotating cylinder 722 is coaxially rotatably connected to the outer wall of the connecting tube 71. The inner wall of the rotating cylinder 722 is coaxially fixedly connected to a limiting ring 7222. The outer wall of the connecting tube 71 is coaxially provided with a limiting groove 712. The limiting ring 7222 is embedded in the limiting groove 712. The end of the connecting tube 71 away from the spray gun 3 is coaxially provided with an annular groove 713. The annular groove 713 is arranged on the outer periphery of the connecting port 711. The toothed disc 723 is coaxially fixedly connected to the inner wall of the rotating cylinder 722. The toothed disc 723 is embedded in the annular groove 713. The end of the toothed disc 723 away from the spray gun 3 is provided with a flat thread 7231. The sliding block 724 is arranged on the side of the toothed disk 723 away from the spray gun 3, and a dovetail groove 714 is provided at the end of the connecting pipe 71 away from the spray gun 3. The sliding block 724 is slidably connected to the groove wall of the dovetail groove 714, and the sliding direction of the sliding block 724 is along the radial direction of the connecting pipe 71. The end of the sliding block 724 facing the toothed disk 723 is provided with a connecting thread 7241, and the flat thread 7231 is engaged with the connecting thread 7241. There are two sliding blocks 724, and the two sliding blocks 724 are evenly spaced around the axis of the connecting port 711. When the two sliding blocks 724 are close to each other, they can cover and block the connecting port 711.

[0045] Reference Figure 2 and Figure 4 The protection assembly 8 includes a sliding rod 81, a second spring 82, a locking column 83 and a transmission member 84. The inner wall of the flow channel 33 facing the liquid outlet 32 ​​is provided with a sliding port 37, the sliding port 37 is connected to the installation cavity 34, the sliding rod 81 is slidably connected to the inner wall of the sliding port 37, the sliding direction of the sliding rod 81 is parallel to the axis of the liquid outlet 32, the second spring 82 is arranged in the installation cavity 34, the second spring 82 is sleeved on the outer periphery of the sliding rod 81, one end of the second spring 82 is fixedly connected to the outer wall of the installation cavity 34 away from the liquid outlet 32, and the other end of the second spring 82 is fixedly connected to the outer wall of the sliding rod 81. The end of the sliding rod 81 facing the liquid outlet 32 ​​is fixedly connected to the iron block 811, and the end of the sliding block 724 facing the liquid outlet 32 ​​is fixedly connected to the magnetic block 7242. When the sliding block 724 blocks the connection port 711, the magnetic block 7242 attracts the iron block 811.

[0046] The inner wall of the installation cavity 34 away from the holding opening 35 is provided with a placement groove 341, the locking column 83 is slidably connected to the groove wall of the placement groove 341, the first rack 532 is provided with a locking opening 5321, the locking opening 5321 is used for the locking column 83 to be inserted, and the sliding rod 81 is connected to the locking column 83 through the transmission member 84. The transmission member 84 includes a second rack 841, a third rack 842 and a second gear 843, the second rack 841 is fixedly connected to the end of the sliding rod 81 away from the liquid outlet 32, the third rack 842 is fixedly connected to the end of the locking column 83 away from the first rack 532, the second gear 843 is provided on the side of the third rack 842 away from the liquid outlet 32, the second gear 843 is coaxially rotatably connected to the groove wall of the placement groove 341, and the second rack 841 and the third rack 842 are both meshed with the second gear 843.

[0047] The implementation principle of a cleaning machine in the embodiment of the present application is as follows: when the user needs to temporarily place the spray gun 3, the spray gun 3 is hung on the support rod 62, and the fixing rod 61 has a certain height to reduce the probability of children touching the spray gun 3. At this time, the control handle 52 is reset, and cannot be rotated due to the obstruction of the support rod 62, and it is not easy for an unauthorized person to accidentally touch the spray gun 3 and cause a safety accident. When an unauthorized person removes the spray gun 3, if the user has reset the nozzle 72 when placing the spray gun 3, the sliding block 724 covers the connecting port 711, and an unauthorized person accidentally rotates the control handle 52, the liquid cannot be sprayed due to the obstruction of the sliding block 724. In order to reduce the probability of safety accidents, if the user does not reset the nozzle 72 when placing the spray gun 3, the sliding blocks 724 move away from each other, the second spring 82 causes the second rack 841 to move, the second gear 843 rotates, the third rack 842 moves, and the locking column 83 is embedded in the locking port 5321, preventing the first rack 532 from moving, and the control handle 52 cannot rotate, thereby protecting people's personal safety. When normal use is required, the nozzle 72 is first rotated to reset the sliding block 724, and then the control handle 52 is rotated to open the control valve 51, and finally the nozzle 72 is rotated to adjust the opening of the connecting port 711.

[0048] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A cleaning machine, characterized in that: The invention comprises a movable frame (1), a fixed frame (6) and a spray gun (3), wherein the fixed frame (6) comprises a fixed rod (61) and a support rod (62), wherein the fixed rod (61) is fixedly connected to the upper end of the movable frame (1), and the support rod (62) is fixedly connected to the outer wall of the fixed rod (61), and an upwardly opening mounting groove (63) is formed between the support rod (62) and the fixed rod (61); and the spray gun (3) is provided with a holding opening (35), and the holding opening (35) is used for the support rod (62) to pass through; It also comprises a main body (2), a connecting pipe (4) and a control valve (51), wherein the main body (2) is provided with a water outlet (212), the two ends of the spray gun (3) are respectively provided with a liquid inlet (31) and a liquid outlet (32), the spray gun (3) is provided with a flow channel (33), the two ends of the flow channel (33) are respectively connected to the liquid inlet (31) and the liquid outlet (32), the connecting pipe (4) is coaxially fixedly connected to the inner wall of the water outlet (212), one end of the connecting pipe (4) is coaxially fixedly connected to the inner wall of the liquid inlet (31), the control valve (51) is connected to the inner wall of the flow channel (33), and the control valve (51) is used to control the on and off of the flow channel (33); It also comprises a control handle (52) and a connecting piece (53), the spray gun (3) is provided with a mounting cavity (34), the mounting cavity (34) is arranged on the outer periphery of the flow channel (33), the control valve (51) is provided as a ball valve, the valve stem of the control valve (51) extends into the mounting cavity (34), the inner wall of the holding opening (35) facing away from the flow channel (33) is provided with a connecting port (351), the connecting port (351) is connected to the mounting cavity (34), the control handle (52) passes through the connecting port (351), and the control handle (52) is connected to the valve stem of the control valve (51) via the connecting piece (53); The connecting member (53) comprises a first gear (531), a first rack (532) and a first spring (533); the first gear (531) is coaxially fixedly connected to the valve stem of the control valve (51); the first rack (532) is arranged between the control handle (52) and the liquid outlet (32); the first rack (532) is slidably connected to the inner wall of the installation cavity (34); the first rack (532) is meshed with the first gear (531); the first spring (533) is arranged on a side of the first rack (532) away from the control handle (52); one side of the first spring (533) is An end of the first spring (533) is fixedly connected to the inner wall of the installation cavity (34), the other end of the first spring (533) is fixedly connected to the first rack (532), the outer wall of the control handle (52) is fixedly connected to a hinge column (521), the hinge column (521) is hinged to the inner wall of the connecting port (351), the hinge axis of the hinge column (521) is perpendicular to the sliding direction of the first rack (532), the first rack (532) is arranged on a side of the hinge column (521) away from the holding port (35), and the control handle (52) abuts against an end of the first rack (532) away from the first spring (533); It also comprises a spray head (7), the spray head (7) comprising a connecting pipe (71) and a nozzle (72), one end of the spray gun (3) is fixedly connected to a connecting ring (36), the connecting ring (36) is connected to the liquid outlet (32), the connecting pipe (71) is coaxially provided with a connecting port (711), the connecting ring (36) is threadedly connected to the inner wall of the connecting port (711), the nozzle (72) is connected to the connecting pipe (71), and the nozzle (72) is used to control water outlet; The nozzle (72) comprises a rotating cylinder (722), a toothed disc (723) and a sliding block (724); the inner wall of the rotating cylinder (722) is coaxially rotatably connected to the outer wall of the connecting tube (71); an annular groove (713) is coaxially provided at one end of the connecting tube (71) away from the spray gun (3); the annular groove (713) is provided on the outer periphery of the connecting port (711); the toothed disc (723) is coaxially fixedly connected to the inner wall of the rotating cylinder (722); the toothed disc (723) is embedded in the annular groove (713); a flat thread (7231) is provided at one end of the toothed disc (723) away from the spray gun (3); the sliding block (724) is arranged on a side of the toothed disc (723) away from the spray gun (3), the sliding block (724) is slidably connected to the connecting pipe (71), the sliding direction of the sliding block (724) is along the radial direction of the connecting pipe (71), the end of the sliding block (724) facing the toothed disc (723) is provided with a connecting thread (7241), the plane thread (7231) is engaged with the connecting thread (7241), two sliding blocks (724) are provided, the two sliding blocks (724) are evenly spaced around the axis of the connecting port (711), and the sliding block (724) is used to block the connecting port (711); The liquid outlet (32) further comprises a sliding rod (81), a locking column (83), a transmission member (84) and a second spring (82); the inner wall of the flow channel (33) facing the liquid outlet (32) is provided with a sliding port (37); the sliding port (37) is connected to the installation cavity (34); the sliding rod (81) is slidably connected to the inner wall of the sliding port (37); the sliding direction of the sliding rod (81) is parallel to the axis of the liquid outlet (32); the inner wall of the installation cavity (34) facing away from the holding port (35) is provided with a placement groove (341); the locking column (83) is slidably connected to the groove wall of the placement groove (341); the first rack (532) is provided with a locking port (5321); the locking port (5321) is used for the locking column (83) to be embedded; the sliding rod (81) is slidably connected to the inner wall of the sliding port (37); the sliding direction of the sliding rod (81) is parallel to the axis of the liquid outlet (32); the inner wall of the installation cavity (34) facing away from the holding port (35) is provided with a placement groove (341); the locking column (83) is slidably connected to the groove wall of the placement groove (341); the first rack (532) is provided with a locking port (5321); the locking port (5321) is used for the locking column (83) to be embedded; The shift rod (81) is connected to the locking column (83) through a transmission member (84); one end of the sliding rod (81) facing the liquid outlet (32) is fixedly connected to an iron block (811); one end of the sliding block (724) facing the liquid outlet (32) is fixedly connected to a magnetic block (7242); when the two sliding blocks (724) abut against each other, the magnetic block (7242) attracts the iron block (811); the second spring (82) is arranged in the installation cavity (34); the second spring (82) is sleeved on the outer periphery of the sliding rod (81); one end of the second spring (82) is fixedly connected to the outer wall of the installation cavity (34) away from the liquid outlet (32); and the other end of the second spring (82) is fixedly connected to the outer wall of the sliding rod (81).

2. The cleaning machine according to claim 1, characterized in that: The outer wall of the support rod (62) is used to abut against the inner wall of the holding opening (35) facing away from the flow channel (33) and the outer wall of the control handle (52) facing away from the first rack (532).

3. The cleaning machine according to claim 1, characterized in that: The transmission member (84) comprises a second rack (841), a third rack (842) and a second gear (843); the second rack (841) is fixedly connected to an end of the sliding rod (81) away from the liquid outlet (32); the third rack (842) is fixedly connected to an end of the locking column (83) away from the first rack (532); the second gear (843) is arranged on a side of the third rack (842) away from the liquid outlet (32); the second gear (843) is coaxially rotatably connected to the groove wall of the placement groove (341); the second rack (841) and the third rack (842) are both meshed with the second gear (843).

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