CN115387052B

CN115387052B - Water-saving countercurrent washing machine

Info

Publication number: CN115387052B
Application number: CN202211227926.5A
Authority: CN
Inventors: 杨先君; 刘学民
Original assignee: Changshu Skk Printing And Dyeing Co ltd
Current assignee: Changshu Skk Printing And Dyeing Co ltd
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2023-07-18
Anticipated expiration: 2042-10-09
Also published as: CN115387052A

Abstract

The application relates to a water-saving countercurrent washing machine, and relates to the technical field of textile printing and dyeing equipment. The utility model provides a water-saving counter current rinsing machine, including a plurality of groups along cloth feed direction distribution's washing case in proper order, the below of washing case is provided with the effluent water sump, and first group washing case is provided with drain pipe and feed roller, is provided with the backing roll in the washing case, and the drain pipe below is provided with the water wheel, and the water wheel links to each other the water wheel with the effluent water sump and is connected with first drive gear, and first drive gear meshing has second drive gear, and second drive gear is connected with the transmission shaft, and the cover is equipped with the drive belt between transmission shaft and the backing roll, and the lateral wall of backing roll is provided with the brush hair. After the rinsing machine works, sewage is discharged from the drain pipe and falls on the water wheel to drive the water wheel to rotate, the water wheel drives the brush hair on the bottom roller to clean cloth through the first transmission gear, the second transmission gear, the transmission shaft and the transmission belt, and compared with the prior art, the sewage is directly discharged, so that the sewage is fully utilized, and the using amount of clear water is reduced.

Description

Water-saving countercurrent washing machine

Technical Field

The application relates to the field of textile printing and dyeing equipment, in particular to a water-saving countercurrent washing machine.

Background

Counter-current water washing means that the conveying direction of the cloth is opposite to the flow direction of clear water.

Referring to fig. 10, a related art washing machine includes a plurality of groups of washing tanks 1 sequentially arranged in a cloth transfer direction, a sewage tank 2 is provided under the washing tanks 1, a reverse flow pipe 5 is communicated between two adjacent washing tanks 1, and clean water flows into the washing tanks 1 from a direction opposite to the cloth transfer direction; the inside of the washing tank 1 is connected with a roller cloth feeding assembly 3, the roller cloth feeding assembly 3 comprises an upper pinch roll 31, a lower pinch roll 32 and a bottom roll 33, the upper pinch roll 31 and the lower pinch roll 32 are used for conveying cloth, and the bottom roll 33 is used for pressing the cloth into water; an intermediate tank 4 is communicated between two adjacent washing tanks 1, and an intermediate roller 41 for conveying cloth is connected in the intermediate tank 4. Before printing and dyeing, the cloth is required to be cleaned of impurities such as floating dust on the cloth, and the clean water is directly discharged to the sewage tank 2 after the cloth is cleaned into sewage.

In realizing the above-described related art, the inventors found that there are at least the following problems in the art: the sewage after the cloth is washed is directly discharged, and the sewage is not fully utilized.

Disclosure of Invention

In order to fully utilize sewage, the application provides a water-saving countercurrent washing machine.

The application provides a water-saving countercurrent washing machine adopts following technical scheme:

the water-saving countercurrent washing machine comprises a plurality of groups of washing tanks which are distributed in sequence along the cloth feeding direction, a sewage tank is arranged below the washing tanks, a first group of washing tanks along the cloth feeding direction is connected with a drain pipe and a cloth feeding roller, bottom rollers are connected in the washing tanks, an intermediate tank is communicated between two adjacent washing tanks, an intermediate roller for conveying cloth is connected in the intermediate tank, a water wheel is arranged below the drain pipe, the water wheel is connected with the sewage tank, a first transmission gear is connected with the water wheel, a second transmission gear is meshed with the first transmission gear, a transmission shaft is connected with the second transmission gear, and a transmission belt is sleeved between the transmission shaft and the bottom rollers; the side wall of the bottom roller is provided with brush hairs.

Through adopting above-mentioned technical scheme, after the cloth is sent into the washing incasement through the cloth feed roller and soaks, sewage is discharged from the drain pipe and falls on the water wheel and drive the water wheel and rotate, rotates and drives first drive gear and rotate, and first drive gear drives second drive gear and transmission shaft and rotates, and the transmission shaft passes through the drive belt and drives the backing roll and rotate to drive the brush hair and wash the cloth, make full use of the kinetic energy and the potential energy of sewage drive the brush hair and wash the cloth.

Optionally, a mounting ring sleeve is detachably sleeved on the side wall of the bottom roller, and the bristles are connected to the surface of the mounting ring sleeve; the installation ring cover can be tiled into a rectangle cloth, the one end of installation ring cover is the magic and pastes the son face, the other end of installation ring cover is the magic and pastes the mother face.

Through adopting above-mentioned technical scheme, the backing roll is convenient for change the brush hair of different specifications and material with the detachable connection of collar cover and washs the cloth of different materials with the brush hair of different materials, only need with the magic face of pasting son with the magic face of pasting separately can when dismantling the collar cover, with the magic face of pasting son with the magic face of pasting mother when fixed pinch can.

Optionally, the first group along cloth feed direction the washing case is kept away from the lateral wall intercommunication of drive belt has the shunt tubes, the shunt tubes with the intercommunication has the back flow between the effluent water sump, follow in the back flow the effluent water sump extremely the direction of shunt tubes has set gradually on-off valve, pressure pump and filter.

Through adopting above-mentioned technical scheme, after accumulating certain waste water in the effluent water sump, open the on-off valve, open the pressure pump, the waste water in the effluent water sump is extracted to the pressure pump, flows through the filter through the return pipe and flows into the shunt tubes, then flows into the washing incasement, and this return circuit cyclic utilization waste water has reduced the quantity of clear water.

Optionally, a first group along the cloth feeding direction the side wall of the washing tank far away from the transmission belt is provided with a sealing ring groove, and the outer side wall of the shunt tube is sleeved with a sealing ring in interference fit with the sealing ring groove.

By adopting the technical scheme, the sealing performance between the shunt pipe and the water washing tank can be improved, and the possibility of leakage of sewage from the shunt pipe is reduced.

Optionally, one end of the first bottom roller far away from the transmission belt along the cloth conveying direction is connected with a communicating pipe, and the communicating pipe is communicated with the return pipe; the end wall of the bottom roller is provided with a passing hole communicated with the communicating pipe, and the bottom roller is rotationally connected with the communicating pipe; and a spray hole communicated with the passing hole and used for flushing the cloth is formed in the side wall of the first bottom roller along the cloth feeding direction.

Through adopting above-mentioned technical scheme, the sewage that just has pressure after filtering flows into the passing hole in the backing roll through communicating pipe, and the washing hole that flows out washes the cloth, and when the backing roll was driven and is rotated, the washing hole rotated along with the backing roll, and the brush hair cleans the cloth, and the impurity that the brush hair was cleaned out is washed away to the sewage after filtering.

Optionally, a cleaning hole communicated with the passing hole and used for flushing the brush hair is formed in the side wall of the first bottom roller along the cloth feeding direction, and an included angle between the axis of the cleaning hole and the axis of the passing hole is an obtuse angle or an acute angle.

By adopting the technical scheme, after brushing cloth for a period of time, certain impurities can be accumulated among the bristles, and filtered sewage can be sprayed out from the cleaning holes to wash out the impurities among the bristles.

Optionally, the spray hole and the cleaning hole are both provided with adjusting balls in an adapting way, the adjusting balls penetrate through and are provided with adjusting holes, the spray hole and the inner side wall of the cleaning hole are both connected with limiting rings, and the limiting rings are used for limiting the adjusting balls to slide out of the spray hole or the cleaning hole.

Through adopting above-mentioned technical scheme, after filtering and have sewage inflow spray rinsing hole or clear pore in pressure can promote the regulation ball rotation, partial sewage can be from the internal blowout of regulation hole, because of the regulation ball rotation can change the position of regulation hole, so the spray angle of sewage also can change thereupon, can carry out more comprehensive washing to cloth and brush hair, and the spacing ring then prevents that the regulation ball from sliding out spray rinsing hole or clear pore.

Optionally, the adjusting ball with the backing roll rotates to be connected, the end wall of communicating pipe runs through and has offered the intercommunication the hole of stepping down of passing hole, it is equipped with the angle change rack to step down downthehole wearing, just the angle change rack stretches into in the passing hole, the outer wall connection of adjusting ball have with angle change rack matched with teeth of a cogwheel.

Through adopting above-mentioned technical scheme, adjusting ball and backing roll rotation are connected can inject the adjusting ball and only rotate around an axle, and the length direction pulling of changing the angle rack removes, can drive the teeth of a cogwheel rotatory, has driven the adjusting ball promptly and has rotated to the angle between the axis of regulation hole and the axis of passing hole has been changed promptly, has changed the injection angle of sewage.

Optionally, the lateral wall of washing case is connected with the installation component, be provided with ultrasonic cleaning device on the installation component, be provided with pressure sensor on the cloth feed roller, the washing case lateral wall is provided with the controller.

By adopting the technical scheme, when the cloth is pressed on the cloth feeding roller, the pressure sensor receives the signal and transmits the signal to the controller, and the controller starts the ultrasonic cleaning device to clean the cloth; when no cloth is arranged on the cloth feeding roller, the pressure sensor receives a non-pressure signal and transmits the non-pressure signal to the controller, and the controller closes the ultrasonic cleaning device.

Optionally, the installation component includes the bottom plate, the bottom plate with the washing case is connected, be provided with the bounding wall on the bottom plate, the lateral wall of bounding wall runs through and has seted up and support tight hole, support tight hole threaded connection has and is used for supporting tightly ultrasonic cleaning device's support tight pole.

Through adopting above-mentioned technical scheme, can be according to actual abluent needs, adjust ultrasonic cleaning device's position, screw up earlier when removing ultrasonic cleaning device's position and support the tight pole, then remove ultrasonic cleaning device to the bottom plate on the corresponding washing case, screw up again support tight hole can.

In summary, the present application includes at least one of the following beneficial effects:

1. the water wheel is arranged below the drain pipe, sewage impact drives the water wheel to rotate, and the bottom roller is driven to rotate through the transmission of the first transmission gear, the second transmission gear, the transmission shaft and the transmission belt, so that cloth is washed, and the full utilization of sewage is realized;

2. the brush hair can be cleaned by arranging the pore-cleaning holes on the side wall of the bottom roller, wherein the included angle between the axis of the pore-cleaning holes and the axis of the passing holes is an obtuse angle or an acute angle.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is a schematic diagram of a structure for showing a positional relationship between an ultrasonic cleaning device and a water tank in an embodiment of the present application;

FIG. 3 is a cross-sectional view of an embodiment of the present application for illustrating the internal structure of a washing tank;

FIG. 4 is a cross-sectional view of an embodiment of the present application showing the internal structure of a bottom roll;

FIG. 5 is an enlarged view of FIG. 4 at A;

FIG. 6 is a schematic diagram of a structure for embodying the connection relationship between the filter element and the return pipe in the embodiment of the present application;

FIG. 7 is an enlarged view at B in FIG. 4;

FIG. 8 is an enlarged view of FIG. 3 at C;

FIG. 9 is a schematic structural diagram showing the connection relationship between the mounting assembly and the ultrasonic cleaning device in the embodiment of the present application;

fig. 10 is a schematic diagram of a water-saving countercurrent washing machine according to the related art.

In the figure: 1. a washing tank; 10. sealing ring grooves; 101. a seal ring; 11. a drain pipe; 12. a cloth feed roller; 120. a pressure sensor; 13. a water inlet pipe; 14. a cloth outlet roller; 15. a communicating pipe; 150. a yielding hole; 151. an angle-variable rack; 16. a return pipe; 17. an on-off valve; 18. a pressure pump; 19. a filter;

2. a sewage pool;

3. roller cloth feeding assembly; 31. an upper pinch roll; 32. a lower pinch roll; 33. a bottom roller; 330. a passing hole; 331. an oil injection passage; 332. spraying and washing the holes; 3320. a limiting ring; 333. cleaning pores; 334. an adjusting ball; 3340. an adjustment aperture; 3341. gear teeth; 34. A mounting ring sleeve; 340. brushing; 341. a magic tape surface; 342. a magic tape mother surface;

4. an intermediate box; 41. an intermediate roller;

5. a reverse flow tube; 51. a shunt; 6. a controller; 7. a mounting assembly;

8. an ultrasonic cleaning device; 810. a bottom plate; 811. coaming plate; 8110. a tightening hole; 812. a tightening rod;

9. a water wheel; 91. a first transmission gear; 92. a second transmission gear; 93. a transmission shaft; 94. a driving belt.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-9.

The embodiment of the application discloses a water-saving countercurrent washing machine. Referring to fig. 1 and 2, the cloth feeding direction is from right to left, and the flow direction of clear water is from left to right; a water-saving countercurrent washing machine comprises three groups of washing tanks 1 which are distributed from right to left in sequence, and a sewage tank 2 is arranged below the washing tanks 1; the left side wall of the first group of washing tanks 1 is connected with a cloth feeding roller 12 and is communicated with a drain pipe 11, and the right side wall of the third group of washing tanks 1 is connected with a cloth discharging roller 14 and is communicated with a water inlet pipe 13. A countercurrent pipe 5 is communicated between two adjacent washing tanks 1, and clear water flows into each washing tank 1 in sequence through the countercurrent pipe 5; an intermediate box 4 is also communicated between two adjacent washing boxes 1, and cloth is sent into each washing box 1 through the intermediate box 4; the lateral wall of washing case 1 is provided with controller 6, and the lateral wall of three group's washing cases 1 all is connected with installation component 7, is provided with ultrasonic cleaning device 8 on the installation component 7 of first group's washing case 1, and ultrasonic cleaning device 8 is prior art, and this is not repeated.

Referring to fig. 3, roller cloth feeding assemblies 3 are connected in the washing tank 1, each roller cloth feeding assembly 3 comprises an upper pinch roll 31, a lower pinch roll 32 and a bottom roll 33, the upper pinch roll 31 and the lower pinch roll 32 are matched with each other to convey cloth, and the bottom roll 33 is used for pressing down the cloth so as to facilitate the soaking and washing of the cloth by water; intermediate rolls 41 are connected in the intermediate tanks 4 to facilitate the transfer of the cloth material in one set of washing tanks 1 to the adjacent washing tanks 1.

Referring to fig. 4, a communicating pipe 15 is connected to one end of the first bottom roller 33 away from the ultrasonic cleaning device 8, and a return pipe 16 is connected between the communicating pipe 15 and the sewage tank 2; the side wall of the first group of washing tanks 1 along the cloth feeding direction is communicated with a shunt pipe 51, the shunt pipe 51 is communicated with the side wall of the return pipe 16, and the return pipe 16 is internally provided with an on-off valve 17 and a pressure pump 18 in sequence along the direction from the sewage pool 2 to the shunt pipe 51. The pressure pump 18 pumps sewage to provide power, and the on-off valve 17 controls whether the sewage in the sewage tank 2 can flow into the first group of water washing tanks 1.

Referring to fig. 5, a passage hole 330 communicating with the communicating tube 15 is formed in an end wall of the first bottom roller 33 far from the ultrasonic cleaning device 8, the passage hole 330 in this embodiment is a counter bore, and the bottom roller 33 is rotatably connected with the communicating tube 15; the end wall of the first bottom roller 33 is provided with an oil injection passage 331, and the oil injection passage 331 is communicated with the side wall of one end of the communicating pipe 15 extending into the passing hole 330; the waterproof sealing grease can be injected into the oil injection passage 331 in advance before the water washing machine works, so that the tightness between the communicating pipe 15 and the passing hole 330 can be improved, and meanwhile, the friction between the communicating pipe 15 and the passing hole 330 can be reduced.

The outer side wall of the bottom roller 33 is detachably sleeved with a mounting ring sleeve 34, and in the embodiment, the mounting ring sleeve 34 is made of waterproof fabric, so that the influence on the transmission of cloth due to the wetting of the mounting ring sleeve 34 can be avoided; the surface of the mounting collar 34 is connected with bristles 340 for cleaning cloth. The side wall of the first bottom roller 33 is provided with a plurality of spray holes 332 communicated with the passing holes 330 for washing cloth; the side wall of the first bottom roller 33 is also provided with a plurality of cleaning holes 333 communicated with the passing holes 330 for flushing the bristles, and the included angle between the axes of the cleaning holes 333 and the axes of the passing holes 330 is an acute angle or an obtuse angle, so that the bristles 340 can be cleaned conveniently.

Referring to fig. 1 and 4, a water wheel 9 is disposed under the drain pipe 11, the water wheel 9 is connected to an inner bottom wall of the sewage tank 2, the water wheel 9 is coaxially connected with a first transmission gear 91, the first transmission gear 91 is meshed with a second transmission gear 92, the first transmission gear 91 and the second transmission gear 92 in this embodiment are bevel gears, the second transmission gear 92 is coaxially connected with a transmission shaft 93, and a transmission belt 94 is sleeved between the transmission shaft 93 and the first bottom roller 33.

When sewage falls on the water wheel 9 from the drain pipe 11, the potential energy and the kinetic energy of the sewage drive the water wheel 9 to rotate, so as to drive the first transmission gear 91 to rotate, the first transmission gear 91 drives the second transmission gear 92 and the transmission shaft 93 to rotate, and the bottom roller 33 is driven to rotate through the transmission belt 94, so that the brush hair 340 is driven to clean dust and impurities on cloth.

Referring to fig. 1 and 6, a filter 19 is disposed in the return pipe 16, and the filter 19 in this embodiment is a filter screen, so as to filter impurities in the sewage; the filter 19 is located between the pressure pump 18 and the shunt 51.

Referring to fig. 1, 5 and 6, when the cloth is to be sprayed, the on-off valve 17 is opened to communicate the sewage tank 2 with the bottom roller 33, the pressure pump 18 is turned on, and the sewage with pressure flows into the return pipe 16, flows into the communicating pipe 15 after being filtered by the filter 19, flows into the bottom roller 33, and sprays the cloth through the spray holes 332.

Referring to fig. 4 and 5, adjusting balls 334 are adaptively arranged in the spray holes 332 and the cleaning holes 333, and the adjusting balls 334 are rotatably connected with the bottom roller 33, so that the adjusting balls 334 can be limited to rotate in a plane passing through the axis of the bottom roller 33; the adjusting ball 334 is provided with an adjusting hole 3340 in a penetrating way, and the inner side wall of the spray washing hole 332 is connected with a limiting ring 3320 for limiting the adjusting ball 334 to slide out of the spray washing hole 332; the inner side wall of the cleaning hole 333 is connected with a limiting ring 3320 for limiting the adjusting ball 334 to slide out of the cleaning hole 333; the pipe wall of communicating pipe 15 has been seted up and has been moved away hole 150, is equipped with angle change rack 151 and angle change rack 151 stretches into in the passing hole 330 in the hole 150 of moving away, and the outer wall of adjusting ball 334 is connected with and changes angle change rack 151 matched with teeth of a cogwheel 3341, from this through changing angle change rack 151 in the length direction of angle change rack 151, alright relative ration drive adjusting ball 334 and rotate certain angle to change the position of adjusting hole 3340, and then change the spraying angle of the interior spun of sewage self-interacting hole 3340, realize the comparatively comprehensive washing to cloth and brush hair 340.

Referring to fig. 7, the side wall of the first group of washing tanks 1 is provided with a sealing ring groove 10, the outer side wall of the communicating pipe 15 is sleeved with a sealing ring 101 in interference fit with the sealing ring groove 10, so that the tightness between the communicating pipe 15 and the first group of washing tanks 1 can be improved, and the possibility of leakage of sewage from the place can be reduced.

Referring to fig. 8, one end of the mounting collar 34 is a magic tape sub-surface 341, and the other end of the mounting collar 34 is a magic tape female surface 342. When the washing tank 1 washes cloth of different materials, different mounting ring sleeves 34 can be replaced, and different bristles 340 are connected to different mounting ring sleeves 34 so as to achieve effective washing of the cloth; the magic tape sub-surface 341 and the magic tape mother surface 342 can be directly separated when the mounting collar 34 is replaced. When the new mounting ring 34 is mounted on the bottom roller 33, the magic tape sub-surface 341 and the magic tape mother surface 342 are pinched.

Referring to fig. 2 and 3, the cloth feeding roller 12 is provided with a pressure sensor 120, when the cloth is transferred from the cloth feeding roller 12 into the washing tank 1, the pressure sensor 120 receives a signal and transfers the signal to the controller 6, the controller 6 starts the ultrasonic cleaning device 8 to clean the cloth, and the ultrasonic cleaning is the prior art, which is not repeated here. When the cloth is not conveyed into the water washing tank 1 any more, the pressure sensor 120 has no pressure signal, and the controller 6 can not receive the signal, and the ultrasonic cleaning device 8 is closed.

Referring to fig. 2 and 9, the mounting assembly 7 includes a base plate 810, the base plate 810 is fixedly connected to an outer side wall of the washing tank 1, a shroud 811 is connected to the base plate 810, the ultrasonic cleaning device 8 can be placed in the shroud 811, a tightening hole 8110 is formed in a penetrating manner in a side wall opposite to the shroud 811 in the length direction, the tightening hole 8110 is in threaded connection with a tightening rod 812, and the ultrasonic cleaning device 8 is fixed by adjusting the tightening rod 812. The position of the ultrasonic cleaning device 8 can be adjusted according to actual conditions, and the abutting rod 812 is only required to be unscrewed, the ultrasonic cleaning device 8 is moved onto the bottom plate 810 of the corresponding washing tank 1, and then the abutting rod 812 is required to be screwed.

The implementation principle of the water-saving countercurrent washing machine provided by the embodiment of the application is as follows: when the washing machine works, the conveying direction of cloth is opposite to the flow direction of clear water, the cloth is soaked in the washing box 1 and then conveyed out of the washing box 1, meanwhile, sewage flows out of the drain pipe 11, falls on the water wheel 9 and drives the water wheel 9 to rotate, the water wheel 9 drives the first transmission gear 91 to rotate, the first transmission gear 91 drives the second transmission gear 92 and the transmission shaft 93 to rotate, and the transmission shaft 93 drives the bottom roller 33 to rotate through the transmission belt 94, so that bristles 340 on the bottom roller 33 are driven to brush the cloth. Compared with the prior art that sewage is directly discharged into the sewage tank 2, the sewage treatment device fully utilizes the kinetic energy and potential energy of the sewage, and further cleans cloth.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a water-saving counter-current rinsing machine, includes water tank (1) that a plurality of groups distribute in proper order along cloth feed direction, the below of water tank (1) is provided with effluent water sump (2), first group along cloth feed direction water tank (1) are connected with drain pipe (11) and cloth feed roller (12), water tank (1) internal connection has foundation roller (33), adjacent two intercommunication has intermediate box (4) between water tank (1), intermediate box (4) internal connection has intermediate roll (41) that are used for conveying cloth, its characterized in that: a water wheel (9) is arranged below the drain pipe (11), the water wheel (9) is connected with the sewage tank (2), the water wheel (9) is connected with a first transmission gear (91), the first transmission gear (91) is meshed with a second transmission gear (92), the second transmission gear (92) is connected with a transmission shaft (93), and a transmission belt (94) is sleeved between the transmission shaft (93) and the bottom roller (33); the side wall of the bottom roller (33) is provided with bristles (340);

the first group of the washing tanks (1) along the cloth feeding direction is communicated with a shunt tube (51) on the side wall far away from the transmission belt (94), a return pipe (16) is communicated between the shunt tube (51) and the sewage tank (2), and an on-off valve (17), a pressure pump (18) and a filter element (19) are sequentially arranged in the return pipe (16) along the direction from the sewage tank (2) to the shunt tube (51);

one end, away from the transmission belt (94), of the first bottom roller (33) along the cloth conveying direction is connected with a communicating pipe (15), and the communicating pipe (15) is communicated with the return pipe (16); the end wall of the bottom roller (33) is provided with a passing hole (330) communicated with the communicating pipe (15), and the bottom roller (33) is rotationally connected with the communicating pipe (15); a spray hole (332) communicated with the passing hole (330) for flushing the cloth is formed in the side wall of the first bottom roller (33) along the cloth feeding direction;

a cleaning hole (333) communicated with the passing hole (330) and used for flushing the brush hair (340) is formed in the side wall of the first bottom roller (33) along the cloth feeding direction, and an included angle between the axis of the cleaning hole (333) and the axis of the passing hole (330) is an obtuse angle or an acute angle;

an adjusting ball (334) is arranged in the spray hole (332) and the cleaning hole (333) in an adapting way, an adjusting hole (3340) is formed in the adjusting ball (334) in a penetrating way, limiting rings (3320) are connected to the inner side walls of the spray hole (332) and the cleaning hole (333), and the limiting rings (3320) are used for limiting the adjusting ball (334) to slide out of the spray hole (332) or the cleaning hole (333);

the adjusting ball (334) is rotationally connected with the bottom roller (33), a passing hole (150) communicated with the passing hole (330) is formed in the end wall of the communicating pipe (15) in a penetrating mode, an angle-changing rack (151) is arranged in the passing hole (150) in a penetrating mode, the angle-changing rack (151) stretches into the passing hole (330), and gear teeth (3341) matched with the angle-changing rack (151) are connected with the outer wall of the adjusting ball (334).

2. A water-saving counter-current washing machine according to claim 1, wherein: the side wall of the bottom roller (33) is detachably sleeved with a mounting ring sleeve (34), and the bristles (340) are connected to the surface of the mounting ring sleeve (34); one end of the installation ring sleeve (34) is a magic tape surface (341), and the other end of the installation ring sleeve (34) is a magic tape female surface (342).

3. A water-saving counter-current washing machine according to claim 1, wherein: the first group along the cloth feeding direction the side wall of the washing box (1) far away from the driving belt (94) is provided with a sealing ring groove (10), and the outer side wall of the shunt tube (51) is sleeved with a sealing ring (101) in interference fit with the sealing ring groove (10).

4. A water-saving counter-current washing machine according to claim 1, wherein: the washing machine is characterized in that an installation component (7) is connected to the outer side wall of the washing box (1), an ultrasonic cleaning device (8) is arranged on the installation component (7), a pressure sensor (120) is arranged on the cloth feeding roller (12), and a controller (6) is arranged on the outer side wall of the washing box (1).

5. A water-saving counter-current washing machine according to claim 4, wherein: the installation component (7) comprises a bottom plate (810), the bottom plate (810) is connected with the washing box (1), a coaming (811) is arranged on the bottom plate (810), a tight supporting hole (8110) is formed in the side wall of the coaming (811) in a penetrating mode, and the tight supporting hole (8110) is in threaded connection with a tight supporting rod (812) for supporting the ultrasonic cleaning device (8).