Multidirectional spray-washing structure of table type cleaning machine

Abstract

The invention discloses a multidirectional spray-washing structure of a table type cleaning machine. The bottom shell and the top cover are vertically clamped, an inner container is fixed to the inner side of the bottom shell, a middle spraying pipe is fixed to the inner container, a middle spraying head is installed at one end of the middle spraying pipe and arranged on the inner side wall of the inner container, the other end of the middle spraying pipe is connected with an external water path, and an inner door matched with the inner container is fixed to the inner side of the top cover; a top spraying pipe is fixed to the inner door, a top spraying head is installed at one end of the top spraying pipe and arranged on the inner top face of the inner door, an adjusting block sliding groove is formed in the pipe wall of the middle spraying pipe, a water path adjusting block is arranged in the adjusting block sliding groove, and the water path adjusting block is in sliding connection with the adjusting block sliding groove. One end of the water path adjusting block is connected with the bottom face of the adjusting block sliding groove through a first spring, and the other end of the water path adjusting block is located outside the adjusting block sliding groove and opposite to the other end of the top spraying pipe. The washing machine has the beneficial effect that the washing efficiency can be improved.

Description

Technical Field

[0001] The invention relates to the technical field related to a multi-directional cleaning structure of a cleaning machine, and in particular to a multi-directional spray cleaning structure of a desktop cleaning machine. Background Art

[0002] A spray cleaning machine is a cleaning device that uses water pressure to wash the surface of an object. It peels off and washes away dirt on the surface of the object to achieve the purpose of cleaning the surface of the object, helping people reduce the burden of cleaning.

[0003] Small-capacity desktop washing machines also have a place in the washing machine market. Since there are fewer items to be washed, one layer of baskets can complete the loading of three to four sets of items, and there are only one or two spray arms at the bottom. In particular, the structure of desktop washing machines with flip-top and lift-off doors is designed due to the influence of space layout, and often only has a spray arm at the bottom, so that the washing machine has only one spray arm at the bottom to spray and wash the items in the inner tank, and the washing efficiency is low.

[0004] In summary, there is a need for a multi-directional spray structure for a tabletop cleaning machine that can improve washing efficiency. Summary of the invention

[0005] The present invention aims to overcome the shortcomings of the existing small-capacity desktop cleaning machines in the art, which, due to the influence of spatial layout, often only have a bottom spray arm and low washing efficiency, and provides a multi-directional spray structure for a desktop cleaning machine that can improve the washing efficiency.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions: A multi-directional spray structure of a desktop cleaning machine comprises a bottom shell and a top cover, wherein the bottom shell and the top cover are clamped up and down, an inner shell is fixed on the inner side of the bottom shell, a bottom spray arm is installed at the bottom of the inner shell, a bottom spray head is installed on the bottom spray arm, a middle spray pipe is also fixed on the inner shell, a middle spray head is installed at one end of the middle spray pipe, the middle spray head is placed on the inner side wall of the inner shell, the other end of the middle spray pipe is connected to an external water channel, an inner door matching the inner shell is fixed on the inner side of the top cover, a top spray pipe is fixed on the inner door, a top spray head is installed at one end of the top spray pipe, the top spray head is placed on the inner top surface of the inner door, An adjusting block slot is provided on the pipe wall of the middle nozzle pipe, and a water channel adjusting block is provided in the adjusting block slot. The water channel adjusting block and the adjusting block slot are slidably connected, and a middle nozzle water hole matching the inner pipe mouth of the middle nozzle pipe is provided on the water channel adjusting block. One end of the water channel adjusting block is connected to the bottom surface of the adjusting block slot by a spring, and the other end of the water channel adjusting block is located outside the adjusting block slot and is arranged opposite to the other end of the top nozzle pipe, a top nozzle water hole is arranged between the end face of the other end of the water channel adjusting block and the side wall of the middle nozzle water hole, and the port at the other end of the top nozzle pipe is arranged opposite to the top nozzle water hole.

[0007] The present application adds an expandable middle nozzle pipe and a top nozzle pipe. Auxiliary water spraying is performed through the middle nozzle head on the middle nozzle pipe and the top nozzle head on the top nozzle pipe, which can clean local heavily dirty items in the inner tank, complete the washing more efficiently, and improve the washing efficiency. The water passage of the middle nozzle and the top nozzle is controlled by the water passage regulating block at the regulating block chute: when the top cover is closed, the top nozzle on the inner door will be connected with the water passage regulating block at the regulating block chute, and the top nozzle will also push the water passage regulating block to a position where the middle nozzle water hole and the inner pipe mouth of the middle nozzle are concentric with each other. At this time, the water passage is open, and the water of the external water passage can flow to the middle nozzle head on the middle nozzle pipe and the top nozzle head on the top nozzle pipe in turn, so that the middle nozzle head on the middle nozzle pipe and the top nozzle head on the top nozzle pipe spray water at the same time; when the top cover is opened, the top nozzle on the inner door is separated from the water passage regulating block at the regulating block chute, and the water passage regulating block will be automatically lifted up under the elastic force of the spring 1, so that the middle nozzle water hole on the water passage regulating block is automatically staggered with the inner pipe mouth of the middle nozzle pipe, so as to intercept and block the water in the middle nozzle pipe. At this time, the water passage is closed, and the water of the external water passage cannot flow out through the middle nozzle pipe. The structure is simple and the control is convenient.

[0008] Preferably, an outer chamfer is provided at the outer edge of the other end of the water channel regulating block, an inner chamfer matching the outer chamfer is provided at the inner port of the other end of the top spray pipe, a sealing ring is also provided on the other end of the water channel regulating block, and the water channel regulating block and the top spray pipe are sealed and connected via the sealing ring. The matching design of the outer chamfer and the inner chamfer improves the smoothness of the mutual connection between the other end of the top spray pipe and the other end of the water channel regulating block, making the operation simple and convenient, saving time and effort. The design of the sealing ring prevents the leakage of washing water, avoids the leakage of washing water through the gap between the top spray pipe and the water channel regulating block, and improves the sealing of the connection between the top spray pipe and the water channel regulating block.

[0009] Preferably, the water channel regulating block and the regulating block chute are detachably connected, and a water sealing plate 1 is provided on the water channel regulating block, and the water sealing plate 1 is placed at the opening of the middle spray water hole close to the other end of the middle spray pipe. Through the detachable design of the water channel regulating block, the water channel regulating block can be pulled up at the regulating block chute for replacement, so that the appropriate water channel regulating block can be conveniently replaced according to the number of items and washing needs, with a simple structure and convenient control. When only the bottom nozzle on the bottom spray arm is needed to spray water, a water channel regulating block with a water sealing plate 1 can be selected, and the water sealing plate 1 can seal the middle spray water hole and the top spray water hole at the same time.

[0010] Preferably, the water channel regulating block and the regulating block chute are detachably connected, and a water sealing plate 2 is provided on the water channel regulating block, and the water sealing plate 2 is placed at the orifice of the top spray water hole. Through the detachable design of the water channel regulating block, the water channel regulating block can be pulled out at the regulating block chute for replacement, so that the appropriate water channel regulating block can be conveniently replaced according to the number of items and washing needs, with a simple structure and convenient control. When the bottom nozzle on the bottom spray arm and the middle nozzle on the middle spray pipe are required to spray water, a water channel regulating block with a water sealing plate 2 can be selected, and the water sealing plate 2 can seal the top spray water hole and keep the middle spray water hole open.

[0011] Preferably, the bottom spray head, the middle spray head and the top spray head all include a water pipe and a water spray head, both ends of the water pipe are provided with a connecting cap, the end of the water pipe is installed on the bottom surface of the connecting cap and the two are connected, the bottom spray arm, one end of the top spray pipe, and one end of the middle spray pipe are provided with a connecting nozzle 1, the cap opening of one connecting cap matches the connecting nozzle 1 and the two are threadedly connected, and one end of the water spray head is provided with a connecting nozzle 2, the cap opening of another connecting cap matches the connecting nozzle 2 and the two are threadedly connected. When installing the water spray head, align the connecting nozzle 2 of the water spray head with the cap opening on the other connecting cap, and then tighten the connecting nozzle 2 to the cap opening; when installing the spray head as a whole, align the cap opening of one connecting cap with the connecting nozzle 1, and then tighten the cap opening to the connecting nozzle 1. The connection method is simple and easy to operate, convenient for installation and disassembly, reduces the difficulty of later maintenance and repair, and has good sealing performance. The water flowing out of the connecting nozzle 1 can flow to the water spray head through the water pipe.

[0012] Preferably, a connection cap through hole is provided on the bottom surface of the connection cap, and the end of the water pipe passes through the connection cap through hole and is placed on the inner side of the connection cap. The end of the water pipe is shaped like a ball head. A sealing gasket is also provided on the inner side of the connection cap, and the sealing gasket is installed between the end of the water pipe and the connection cap through hole. During installation, the end of the water pipe is passed through the connection cap through hole and placed on the inner side of the connection cap, and then the sealing gasket is installed between the end of the water pipe and the connection cap through hole, and the end of the water pipe is wrapped. The sealing gasket plays a sealing role while wrapping the end of the water pipe, and also plays a role of limiting and fixing. The end of the water pipe adopts a ball head design, which can play a role of water channel pressurization and improve the cleaning force on the one hand, and the water spray head can be universally rotated with the help of the ball head end of the water pipe to change the spray direction and adjust the cleaning angle on the other hand.

[0013] Preferably, the surface of the water spray head is provided with a plurality of spray holes, the spray holes are located at the other end of the water spray head, an adjustment cover is provided on the outside of the water spray head, the adjustment cover is mounted on the other end of the water spray head and is rotatably connected thereto, and an adjustment hole matching the spray hole is provided on the adjustment cover. The user can rotate the adjustment cover on the outside of the water spray head according to actual needs, so that some adjustment holes and some spray holes are staggered or overlapped with each other, thereby controlling the spray holes at different positions to be opened or closed, which is simple to operate and convenient to control. The water is pressurized once at the water guide pipe of the double ball head, and then pressurized again at the spray hole, which has a better cleaning effect for items such as deep cups.

[0014] Preferably, a bead buckle movable groove is provided on the outer surface of the water spray head, a bead buckle is movably connected to the opening of the bead buckle movable groove, one side of the bead buckle is connected to the bottom surface of the bead buckle movable groove by spring 2, a plurality of bead buckle slots are provided on the adjustment cover, the bead buckle slots are arranged in an arc shape on the inner wall of the adjustment cover, and the arc center of the arc coincides with the rotation center of the adjustment cover, the bead buckle is located on the rotation track of the bead buckle slot, and the bead buckle slot and the other side of the bead buckle are snap-fitted and matched. A plurality of bead buckle slots correspond to a plurality of different spray hole adjustment gears, when the user rotates the adjustment cover to a certain gear, the bead buckle slot on the adjustment cover also just moves to the bead buckle on the water spray head, at this time, the bead buckle at the opening of the bead buckle movable groove will automatically buckle at the bead buckle slot under the elastic force of spring 2, thereby completing the relative fixation between the water spray head and the adjustment cover, with simple structure, convenient operation and good fixing effect.

[0015] Preferably, a placement basket is fixed in the inner container, a bracket is mounted on the placement basket, the bracket and the placement basket are detachably connected, and the bottom spray arm is mounted on the bracket and detachably connected thereto. When the user needs to replace the bottom spray arm, it is only necessary to remove the bracket with the bottom spray arm from the placement basket separately, without taking out the entire placement basket from the inner container, thereby avoiding overall disassembly and improving the operation speed and efficiency of replacing the bottom spray arm.

[0016] The cam is configured to have a first end for camming a second cam, the second end for camming a second cam being configured to have a first end for camming a second cam and a second end for camming a third cam. When installing the bracket, first place the placement basket fixing buckle on the placement basket rod one and buckle the placement basket fixing buckle on the limit pin to fix it, then hook the bracket hook on the other side of the bracket on the placement basket rod two, and after hooking, rotate the bracket around the placement basket rod two until the bracket rod on one side of the bracket is buckled with the bracket rod clamping groove on the placement basket fixing buckle, and the installation of the bracket on the placement basket is completed. The structure is simple and the installation is convenient. When disassembling the bracket, first lift the bracket rod on one side of the bracket upward for a stroke to disengage the bracket rod from the bracket rod clamping groove, and then push the bracket along the other side of the bracket to disengage the bracket hook on the other side of the bracket from the placement basket rod two, and the disassembly of the bracket on the placement basket is completed. The structure is simple and the disassembly is convenient.

[0017] The beneficial effects of the present invention are: improved washing efficiency; simple structure, and convenient water channel on-off control and adjustment; improved smoothness of joints and connections, making operation simple and convenient, saving time and effort; improved sealing; the appropriate water channel adjustment block can be conveniently replaced according to the number of items and washing needs, so as to adjust the water channel, with a simple structure and convenient control; the nozzle is easy to disassemble and assemble, reducing the difficulty of later maintenance and repair; the water channel can be pressurized to increase the cleaning intensity; the spray direction can be changed and the cleaning angle can be adjusted; the spray holes in different positions can be controlled to be opened or closed, with simple operation and convenient control; the fixing effect between the spray head and the adjustment cover is improved; the operating speed and efficiency of replacing the bottom spray arm are improved; the structure is simple and the bracket is easy to disassemble and assemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a stereogram of the present invention; Figure 2 It is a front view of the present invention; Figure 3 yes Figure 2 Sectional view at AA in the middle; Figure 4yes Figure 3 Enlarged view of point C in the middle; Figure 5 It is a structural schematic diagram of the first type of waterway regulating block; Figure 6 It is a structural schematic diagram of the second waterway regulating block; Figure 7 It is a structural schematic diagram of the third type of waterway regulating block; Figure 8 yes Figure 3 The enlarged view of point D in the middle; Fig. 9 It is a schematic diagram of the coordination between the sprinkler head and the regulating cover; Fig.10 yes Figure 2 Sectional view at the middle BB; Fig.11 yes Fig.10 Enlarged view of point E in the middle; Fig.12 is a top view of the present invention; Fig.13 yes Fig.12 Cross-sectional view at FF; Fig.14 yes Fig.13 Enlarged view of G in the middle; Fig.15 yes Fig.13 Enlarged view of point H in the middle.

[0019] In the figure: 1. bottom shell, 2. top cover, 3. liner, 4. bottom spray arm, 5. bottom spray head, 6. middle spray pipe, 7. middle spray head, 8. inner door, 9. top spray pipe, 10. top spray head, 11. adjusting block slide, 12. water channel adjusting block, 13. middle spray water hole, 14. spring 1, 15. top spray water hole, 16. outer chamfer, 17. inner chamfer, 18. sealing ring, 19. water guide pipe, 20. spray head, 21. connecting cap, 22. connecting nozzle 1, 23. connecting nozzle 2, 24. connecting cap through hole, 25. sealing gasket, 26. spray hole, 27. adjusting cover, 28. adjusting hole, 29. ball buckle movable groove, 30. ball buckle, 31. spring 2, 32. Ball buckle slot, 33. Place basket, 34. Bracket, 35. Place basket rod 1, 36. Place basket rod 2, 37. Place basket fixing buckle, 38. Place basket rod slide slot, 39. Limit pin, 40. Limit pin slot, 41. Bracket rod slot, 42. Bracket rod, 43. Bracket hook. DETAILED DESCRIPTION

[0020] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments.

[0021] like Figure 1 , Figure 2 and Figure 3 In the described embodiment, a multi-directional spray structure of a desktop cleaning machine includes a bottom shell 1 and a top cover 2, the bottom shell 1 and the top cover 2 are clamped up and down, an inner tank 3 is fixed on the inner side of the bottom shell 1, a bottom spray arm 4 is installed at the bottom of the inner tank 3, a bottom spray head 5 is installed on the bottom spray arm 4, a middle spray pipe 6 is also fixed on the inner tank 3, a middle spray head 7 is installed at one end of the middle spray pipe 6, the middle spray head 7 is placed on the inner side wall of the inner tank 3, and the other end of the middle spray pipe 6 is connected to an external water channel, an inner door 8 matching the inner tank 3 is fixed on the inner side of the top cover 2, a top spray pipe 9 is fixed on the inner door 8, a top spray head 10 is installed at one end of the top spray pipe 9, and the top spray head 10 is placed on the inner top surface of the inner door 8, as shown in FIG. Figure 3 , Figure 4 and Figure 5 As shown, an adjusting block slot 11 is provided on the tube wall of the middle nozzle pipe 6, and a water channel adjusting block 12 is provided in the adjusting block slot 11. The water channel adjusting block 12 and the adjusting block slot 11 are slidably connected, and a middle nozzle water hole 13 matching the inner pipe mouth of the middle nozzle pipe 6 is provided on the water channel adjusting block 12. One end of the water channel adjusting block 12 is connected to the bottom surface of the adjusting block slot 11 through a spring 14, and the other end of the water channel adjusting block 12 is located outside the adjusting block slot 11 and is arranged opposite to the other end of the top nozzle pipe 9. A top nozzle water hole 15 is arranged between the end face of the other end of the water channel adjusting block 12 and the side wall of the middle nozzle water hole 13, and the port at the other end of the top nozzle pipe 9 is arranged opposite to the top nozzle water hole 15.

[0022] like Figure 3 , Figure 4 and Figure 5 As shown, an outer chamfer 16 is provided at the outer edge of the other end of the water channel regulating block 12, and an inner chamfer 17 matching the outer chamfer 16 is provided at the inner port of the other end of the top nozzle 9. A sealing ring 18 is also provided on the other end of the water channel regulating block 12, and the water channel regulating block 12 and the top nozzle 9 are sealed and connected via the sealing ring 18.

[0023] like Figure 6 As shown, the water channel regulating block 12 and the regulating block slide 11 are detachably connected, and a water sealing plate 1 is provided on the water channel regulating block 12, and the water sealing plate 1 is placed at the opening of the middle spray water hole 13 close to the other end of the middle spray pipe 6.

[0024] like Figure 7 As shown, the water channel regulating block 12 and the regulating block slide 11 are detachably connected, and a second water sealing plate is provided on the water channel regulating block 12 , and the second water sealing plate is placed at the orifice of the top spray water hole 15 .

[0025] like Figure 3 and Figure 8As shown, the bottom nozzle 5, the middle nozzle 7 and the top nozzle 10 all include a water pipe 19 and a water spray head 20, both ends of the water pipe 19 are provided with connecting caps 21, the end of the water pipe 19 is installed on the bottom surface of the connecting cap 21 and the two are connected, the bottom spray arm 4, one end of the top spray pipe 9, and one end of the middle spray pipe 6 are all provided with a connecting nozzle 1 22, the cap opening of one connecting cap 21 matches the connecting nozzle 1 22 and the two are threadedly connected, one end of the water spray head 20 is provided with a connecting nozzle 2 23, the cap opening of the other connecting cap 21 matches the connecting nozzle 23 and the two are threadedly connected.

[0026] like Figure 3 and Figure 8 As shown, a connecting cap through hole 24 is provided on the bottom surface of the connecting cap 21, and the end of the water pipe 19 passes through the connecting cap through hole 24 and is placed on the inner side of the connecting cap 21. The end of the water pipe 19 is shaped like a ball head. A sealing gasket 25 is also provided on the inner side of the connecting cap 21, and the sealing gasket 25 is installed between the end of the water pipe 19 and the connecting cap through hole 24.

[0027] like Figure 3 and Figure 8 As shown, a plurality of spray holes 26 are provided on the surface of the water spray head 20, and the spray holes 26 are located at the other end of the water spray head 20. An adjusting cover 27 is provided on the outside of the water spray head 20, and the adjusting cover 27 is installed at the other end of the water spray head 20 and is rotatably connected thereto. An adjusting hole 28 matching the spray hole 26 is provided on the adjusting cover 27.

[0028] like Figure 3 , Figure 8 and Fig. 9 As shown, a bead buckle movable groove 29 is provided on the outer surface of the sprinkler head 20, and a bead buckle 30 is movably connected to the opening of the bead buckle movable groove 29, one side of the bead buckle 30 and the bottom surface of the bead buckle movable groove 29 are connected by a spring 2 31, and a plurality of bead buckle slots 32 are provided on the adjusting cover 27, and the bead buckle slots 32 are arranged in an arc shape on the inner wall of the adjusting cover 27 and the arc center of the arc coincides with the rotation center of the adjusting cover 27, and the bead buckle 30 is located on the rotation trajectory of the bead buckle slot 32, and the bead buckle slot 32 and the other side of the bead buckle 30 are snap-fitted and matched.

[0029] like Fig. 9 As shown, the surface of the water spray head 20 is provided with 4 inner circle spray holes and 8 outer circle spray holes, the outer circle spray holes are located on the outside of the inner circle spray holes and the aperture of the outer circle spray holes is larger than that of the inner circle spray holes, the 4 inner circle spray holes and the 8 outer circle spray holes are all evenly distributed in a ring shape on the outside of the rotation center of the adjusting cover 27, and the adjusting cover 27 is provided with 4 inner circle adjustment holes and 8 outer circle adjustment holes corresponding to each other.

[0030] When the adjusting cover 27 rotates 45°, the water spray head 20 and the adjusting cover 27 engage once, at which time the outer circle spray holes are opened, while the inner circle spray holes are staggered with the inner circle adjusting holes, and the inner circle spray holes are closed; when the adjusting cover 27 rotates 90°, the water spray head 20 and the adjusting cover 27 engage for the second time, at which time the outer circle spray holes are opened, and the inner circle spray holes are overlapped with the inner circle adjusting holes, and the inner circle spray holes are also opened.

[0031] like Figure 2 and Fig.10 As shown, a placement basket 33 is fixed in the inner tank 3, a bracket 34 is installed on the placement basket 33, the bracket 34 and the placement basket 33 are detachably connected, the bottom spray arm 4 is installed on the bracket 34 and fixed with the plug, and the bottom spray arm 4 can be removed from the bracket 34.

[0032] like Fig.10 , Fig.11 , Fig.12 , Fig.13 , Fig.14 and Fig.15 As shown, a placing basket rod 1 35 and a placing basket rod 2 36 are fixed on the placing basket 33, and the placing basket rod 1 35 and the placing basket rod 2 36 are respectively placed on both sides of the bracket 34, and a placing basket fixing buckle 37 is provided on the placing basket rod 1 35, and a placing basket rod sliding groove 38 matching the placing basket rod 1 35 is provided on the bottom surface of the placing basket fixing buckle 37, and the placing basket rod 1 35 and the placing basket rod sliding groove 38 are slidably connected, and a limiting pin 39 is fixed on the placing basket rod 1 35, and one end of the placing basket fixing buckle 37 is provided with a limiting pin slot matching the limiting pin 39 40, the limit pin 39 and the limit pin slot 40 are engaged with each other, the other end of the placement basket fixing buckle 37 is provided with a bracket rod slot 41, the bracket rod slot 41 is located on the top surface of the placement basket fixing buckle 37, one side of the bracket 34 is provided with a bracket rod 42 matching the bracket rod slot 41, the bracket rod 42 and the bracket rod slot 41 are engaged with each other, and the other side of the bracket 34 is provided with a bracket hook 43 matching the placement basket rod 36, the opening of the bracket hook 43 faces the bracket rod 42, and the bracket hook 43 and the placement basket rod 36 are engaged with each other.

[0033] Spray arm expansion principle: The present application adds an expandable middle spray pipe 6 and a top spray pipe 9. Auxiliary water spraying is performed through the middle spray head 7 on the middle spray pipe 6 and the top spray head 10 on the top spray pipe 9, which can clean local heavily dirty items in the inner tank 3 and complete the washing more efficiently.

[0034] The water passage of the middle nozzle 6 and the top nozzle 9 is controlled by the water passage regulating block 12 at the regulating block chute 11: when the top cover 2 is closed, the top nozzle 9 on the inner door 8 will be connected with the water passage regulating block 12 at the regulating block chute 11, and at the same time, the top nozzle 9 will push the water passage regulating block 12 to a position where the middle nozzle water hole 13 and the inner pipe mouth of the middle nozzle 6 are concentric with each other. At this time, the water passage is opened, and the water in the external water passage can flow to the middle nozzle 7 on the middle nozzle 6 and the top nozzle 1 on the top nozzle 9 in turn. 0, so that the middle nozzle 7 on the middle nozzle pipe 6 and the top nozzle 10 on the top nozzle pipe 9 spray water at the same time; when the top cover 2 is opened, the top nozzle pipe 9 on the inner door 8 is separated from the water channel regulating block 12 at the regulating block slide groove 11. At this time, the water channel regulating block 12 will be automatically lifted up under the elastic force of the spring 14, so that the middle nozzle water hole 13 on the water channel regulating block 12 is automatically staggered with the inner pipe mouth of the middle nozzle pipe 6, so as to intercept and block the water in the middle nozzle pipe 6. At this time, the water channel is closed, and the water in the external water channel cannot flow out through the middle nozzle pipe 6.

[0035] The water channel regulating block 12 can be pulled out and replaced at the regulating block slide groove 11: when only the bottom nozzle 5 on the bottom spray arm 4 is needed to spray water, a water channel regulating block 12 with a water sealing plate 1 can be selected, and the water sealing plate 1 can seal the middle spray water hole 13 and the top spray water hole 15 at the same time; when the bottom nozzle 5 on the bottom spray arm 4 and the middle nozzle 7 on the middle nozzle pipe 6 are needed to spray water, a water channel regulating block 12 with a water sealing plate 2 can be selected, and the water sealing plate 2 can seal the top spray water hole 15 and keep the middle spray water hole 13 open.

[0036] Nozzle booster spray principle: When installing the spray head, the end of the water pipe 19 is passed through the through hole 24 of the connection cap and placed inside the connection cap 21, and then the sealing gasket 25 is installed between the end of the water pipe 19 and the through hole 24 of the connection cap, and the end of the water pipe 19 is wrapped, and then the connection nozzle 2 23 of the water spray head 20 is aligned with the cap opening on the other connection cap 21, and then the connection nozzle 23 is screwed to the cap opening, and finally the cap opening of one of the connection caps 21 is aligned with the connection nozzle 1 22, and then the cap opening is screwed to the connection nozzle 1 22, and the installation is completed. The end of the water pipe 19 adopts a ball head design, which can play the role of waterway pressure boosting and improve the cleaning strength on the one hand, and the water spray head 20 can be universally rotated with the help of the ball head end of the water pipe 19 to change the spray direction and adjust the cleaning angle on the other hand.

[0037] The water is pressurized once at the water conduit 19 of the double ball heads, and then pressurized again at the spray hole 26, which has a better cleaning effect on items such as deep-mouthed cups.

[0038] The user can also rotate the adjustment cover 27 on the outside of the water spray head 20 according to actual needs, so that some adjustment holes 28 and some spray holes 26 are staggered or overlapped with each other, so as to control the spray holes 26 at different positions to open or close. Several ball buckle slots 32 correspond to several different spray hole adjustment gears. When the user rotates the adjustment cover 27 to a certain gear, the ball buckle slot 32 on the adjustment cover 27 also moves to the ball buckle 30 on the water spray head 20. At this time, the ball buckle 30 at the opening of the ball buckle movable slot 29 will automatically buckle at the ball buckle slot 32 under the elastic force of the spring 2 31, completing the fixation between the water spray head 20 and the adjustment cover 27.

[0039] Bottom spray arm replacement principle: When installing the bracket 34, first place the placement basket fixing buckle 37 on the placement basket rod 1 35 and buckle the placement basket fixing buckle 37 on the limit pin 39 to fix it, then hook the bracket hook 43 on the other side of the bracket 34 on the placement basket rod 2 36, and after hooking, rotate the bracket 34 around the placement basket rod 2 36 until the bracket rod 42 on one side of the bracket 34 is buckled with the bracket rod slot 41 on the placement basket fixing buckle 37, and the installation of the bracket 34 on the placement basket 33 is completed; when removing the bracket 34, first lift the bracket rod 42 on one side of the bracket 34 upward for a distance to disengage the bracket rod 42 from the bracket rod slot 41, and then push the bracket 34 along the other side of the bracket 34 to disengage the bracket hook 43 on the other side of the bracket 34 from the placement basket rod 2 36, and the removal of the bracket 34 from the placement basket 33 is completed.

[0040] When the user needs to replace the bottom spray arm 4, he only needs to remove the bracket 34 equipped with the bottom spray arm 4 from the placement basket 33 separately, without taking out the entire placement basket 33 from the inner tank, thus avoiding overall disassembly.

[0041] The structure of the present application can be applied to the field of dishwashers. An expandable middle spray pipe 6 and a top spray pipe 9 are added. Auxiliary water spraying is performed through the middle spray head 7 on the middle spray pipe 6 and the top spray head 10 on the top spray pipe 9. Locally heavily soiled tableware in the inner tank 3 can be cleaned, washing can be completed more efficiently, and the washing efficiency of the dishwasher is improved.

Claims

1. A multi-directional spray washing structure of a desktop cleaning machine, characterized in that: The invention comprises a bottom shell (1) and a top cover (2), wherein the bottom shell (1) and the top cover (2) are connected in an upper and lower manner, an inner shell (3) is fixed on the inner side of the bottom shell (1), a bottom spray arm (4) is installed at the bottom of the inner shell (3), a bottom spray head (5) is installed on the bottom spray arm (4), a middle spray pipe (6) is also fixed on the inner shell (3), a middle spray head (7) is installed at one end of the middle spray pipe (6), the middle spray head (7) is placed on the inner side wall of the inner shell (3), the other end of the middle spray pipe (6) is connected to an external water channel, an inner door (8) matching the inner shell (3) is fixed on the inner side of the top cover (2), a top spray pipe (9) is fixed on the inner door (8), a top spray head (10) is installed at one end of the top spray pipe (9), the top spray head (10) is placed on the inner top surface of the inner door (8), the middle spray pipe (6) ) is provided on the wall of the pipe of the water channel regulating block (10), the regulating block chute (11) is provided with a water channel regulating block (12), the water channel regulating block (12) and the regulating block chute (11) are slidably connected, the water channel regulating block (12) is provided with a middle spray water hole (13) matching the inner pipe mouth of the middle spray pipe (6), one end of the water channel regulating block (12) is connected to the bottom surface of the regulating block chute (11) via a spring 1 (14), the other end of the water channel regulating block (12) is located outside the regulating block chute (11) and is arranged opposite to the other end of the top spray pipe (9), a top spray water hole (15) is arranged between the end surface of the other end of the water channel regulating block (12) and the side wall of the middle spray water hole (13), and the port of the other end of the top spray pipe (9) is arranged opposite to the top spray water hole (15).

2. The multi-directional spray structure of a desktop cleaning machine according to claim 1 is characterized in that: An outer chamfer (16) is provided at the outer edge of the other end of the water channel regulating block (12), and an inner chamfer (17) matching the outer chamfer (16) is provided at the inner port of the other end of the top spray pipe (9). A sealing ring (18) is also provided on the other end of the water channel regulating block (12), and the water channel regulating block (12) and the top spray pipe (9) are sealed and connected via the sealing ring (18).

3. The multi-directional spray structure of a desktop cleaning machine according to claim 2 is characterized in that: The water channel regulating block (12) and the regulating block slide groove (11) are detachably connected, and a water sealing plate (1) is provided on the water channel regulating block (12). The water sealing plate (1) is placed at the opening of the middle spray water hole (13) close to the other end of the middle spray pipe (6).

4. The multi-directional spray structure of a desktop cleaning machine according to claim 2 is characterized in that: The water channel regulating block (12) and the regulating block slide groove (11) are detachably connected, and a second water sealing plate is provided on the water channel regulating block (12), and the second water sealing plate is placed at the orifice of the top spray water hole (15).

5. A multi-directional spray structure for a tabletop cleaning machine according to claims 1-4, characterized in that: The bottom spray head (5), the middle spray head (7) and the top spray head (10) all comprise a water guide pipe (19) and a water spray head (20). Both ends of the water guide pipe (19) are provided with connecting caps (21). The end of the water guide pipe (19) is mounted on the bottom surface of the connecting cap (21) and the two are connected. The bottom spray arm (4), one end of the top spray pipe (9) and one end of the middle spray pipe (6) are all provided with a connecting nozzle 1 (22). The cap opening of one connecting cap (21) matches the connecting nozzle 1 (22) and the two are threadedly connected. One end of the water spray head (20) is provided with a connecting nozzle 2 (23). The cap opening of the other connecting cap (21) matches the connecting nozzle 2 (23) and the two are threadedly connected.

6. The multi-directional spray structure of a tabletop cleaning machine according to claim 5, characterized in that: A connecting cap through hole (24) is provided on the bottom surface of the connecting cap (21); the end of the water conduit (19) passes through the connecting cap through hole (24) and is placed inside the connecting cap (21); the end of the water conduit (19) is shaped like a ball head; a sealing gasket (25) is also provided on the inside of the connecting cap (21); the sealing gasket (25) is installed between the end of the water conduit (19) and the connecting cap through hole (24).

7. The multi-directional spray structure of a tabletop cleaning machine according to claim 5, characterized in that: A plurality of spray holes (26) are provided on the surface of the water spray head (20), and the spray holes (26) are located at the other end of the water spray head (20). An adjustment cover (27) is provided on the outside of the water spray head (20), and the adjustment cover (27) is mounted on the other end of the water spray head (20) and is rotatably connected thereto. The adjustment cover (27) is provided with an adjustment hole (28) matching the spray hole (26).

8. The multi-directional spray structure of a tabletop cleaning machine according to claim 7, characterized in that: A bead buckle movable groove (29) is provided on the outer surface of the water spray head (20), and a bead buckle (30) is movably connected to the opening of the bead buckle movable groove (29), one side of the bead buckle (30) and the bottom surface of the bead buckle movable groove (29) are connected via a second spring (31), and a plurality of bead buckle clamping grooves (32) are provided on the adjustment cover (27), the bead buckle clamping grooves (32) are arranged in an arc shape and distributed on the inner wall of the adjustment cover (27), and the arc center of the arc coincides with the rotation center of the adjustment cover (27), the bead buckle (30) is located on the rotation track of the bead buckle clamping groove (32), and the bead buckle clamping groove (32) and the other side of the bead buckle (30) are clamped and matched.

9. A multi-directional spray structure for a tabletop cleaning machine according to claims 1-4, characterized in that: A placement basket (33) is fixed in the inner container (3), a bracket (34) is mounted on the placement basket (33), the bracket (34) and the placement basket (33) are detachably connected, and the bottom spray arm (4) is mounted on the bracket (34) and is detachably connected thereto.

10. The multi-directional spray washing structure of a tabletop cleaning machine according to claim 9, characterized in that: The placing basket (33) is fixed with a placing basket rod 1 (35) and a placing basket rod 2 (36), the placing basket rod 1 (35) and the placing basket rod 2 (36) are respectively placed on both sides of the bracket (34), the placing basket rod 1 (35) is provided with a placing basket fixing buckle (37), the bottom surface of the placing basket fixing buckle (37) is provided with a placing basket rod sliding groove (38) matching the placing basket rod 1 (35), the placing basket rod 1 (35) and the placing basket rod sliding groove (38) are slidably connected, a limiting pin (39) is fixed on the placing basket rod 1 (35), and one end of the placing basket fixing buckle (37) is provided with a limiting pin slot (40) matching the limiting pin (39), The limit pin (39) and the limit pin slot (40) are mutually engaged; the other end of the placement basket fixing buckle (37) is provided with a support rod slot (41); the support rod slot (41) is located on the top surface of the placement basket fixing buckle (37); one side of the bracket (34) is provided with a support rod (42) matching the support rod slot (41); the support rod (42) and the support rod slot (41) are mutually engaged; the other side of the bracket (34) is provided with a support hook (43) matching the second placement basket rod (36); the opening of the support hook (43) faces the support rod (42); the support hook (43) and the second placement basket rod (36) are mutually engaged.

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