CN216535220U

CN216535220U - Spraying system for cleaning machine and cleaning machine

Info

Publication number: CN216535220U
Application number: CN202122621741.XU
Authority: CN
Inventors: 朱文杰
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-05-17
Anticipated expiration: 2031-10-28

Abstract

The utility model relates to a spraying system for a cleaning machine and the cleaning machine, wherein the spraying system for the cleaning machine comprises a lower pipe body, at least a part of the lower pipe body is vertically arranged, a water channel is arranged in the lower pipe body, and a water inlet is formed in the lower end of the lower pipe body; the upper pipe body is positioned above the lower pipe body, a water flow channel is arranged in the upper pipe body, and the first end of the upper pipe body is detachably arranged on the lower pipe body; the spraying arm can be rotatably arranged on the second end of the upper pipe body and is provided with a spraying hole communicated with the flow channel; the lower connecting seat is vertically arranged and is relatively and fixedly arranged on the periphery of the lower pipe body; the upper connecting seat is relatively and fixedly arranged on the periphery of the upper pipe body and positioned on the lower connecting seat, one end of the upper connecting seat, which is adjacent to the lower connecting seat, can be detachably arranged at the upper end of the lower connecting seat, and the upper pipe body is arranged on the lower pipe body in a state that the upper connecting seat is arranged on the lower connecting seat. In the working process of the spray arm, the upper connecting seat and the lower connecting seat are supported, so that the situation of separation or water leakage at the connecting part of the upper pipe body and the lower pipe body is prevented.

Description

Spraying system for cleaning machine and cleaning machine

Technical Field

The utility model belongs to the field of household appliances, and particularly relates to a spraying system for a cleaning machine and the cleaning machine.

Background

A washing machine is an apparatus that sprays cold or hot water to dishes to remove dirt adhered to the dishes or fruits and vegetables and wash the dishes or fruits and vegetables. The existing spray type cleaning machine generally realizes the spraying in various directions through the rotation of a sprayer.

The prior spraying system, such as Chinese utility model patent spray assembly of dish washer and dish washer, whose patent number is ZL202020515532.X (publication number is CN212307759U), discloses a spray assembly of dish washer, which comprises an inner water pipe, wherein the inner water pipe is arranged in the inner container of the dish washer and extends upwards, and the bottom of the inner water pipe is provided with a water inlet; the top spray arm is rotatably arranged at the top of the inner water pipe and is provided with a top spray hole; and the auxiliary spraying piece is fixedly connected with the inner water pipe and is positioned between the water inlet and the top spraying arm, and the auxiliary spraying piece is provided with an auxiliary spraying hole. Adopt two spray arms to improve the cleaning performance such as the bowl dish in the inner bag, but when the position of needs to top spray arm and bottom water inlet carries out the dismouting, hookup location is lower, has increased the dismouting degree of difficulty.

Therefore, for example, the chinese patent application "dish washer" with patent application No. CN202010911295.3 (application publication No. CN111920357A) discloses a dish washer, comprising: the liquid supply pipeline (pipe body) is provided with at least two liquid supply ports which are arranged at intervals along the vertical direction; the spraying arm is detachably connected with the liquid supply pipeline and movably arranged along the vertical direction, so that a liquid inlet of the spraying arm is selectively communicated with one of the at least two liquid supply ports; the water diversion pipe (pipe body) is movably arranged along the vertical direction, one end of the water diversion pipe is connected with the spraying arm and communicated with the liquid inlet, and the other end of the water diversion pipe is selectively communicated with one of the at least two liquid supply ports. The spray arm is connected with the liquid supply pipeline through the water conduit, so that the water conduit, the spray arm and the liquid supply pipeline are convenient to disassemble and assemble, but the water conduit and the liquid supply pipeline only adopt a splicing assembly form, so that the connection reliability is not high, and the situation that the stable work of the spray arm at the top part cannot be ensured can occur; in addition, when the water conduit is touched, water leakage at the joint of the water conduit and the liquid supply pipeline can occur.

Accordingly, further improvements to existing sprinkler systems are needed.

SUMMERY OF THE UTILITY MODEL

The first technical problem to be solved by the present invention is to provide a spraying system for a cleaning machine, which stably supports a pipe body to achieve the purpose of stable rotation of a spraying arm, in view of the above-mentioned current state of the art.

The second technical problem to be solved by the utility model is to provide the cleaning machine for the cleaning machine, which can automatically pump water into the pipe body.

The third technical problem to be solved by the utility model is to provide a cleaning machine for realizing stable support of a spraying system.

The technical scheme adopted by the utility model for solving the first technical problem is as follows: a spray system for a cleaning machine comprising:

the lower pipe body is at least partially vertically arranged, a water channel is arranged in the lower pipe body, and a water inlet is formed in the lower end of the lower pipe body;

an upper pipe body located above the lower pipe body, having a water flow passage therein, a first end of which is detachably mounted on the lower pipe body, and the water flow passage being communicated with a water running passage in a state of being mounted on the lower pipe body;

the spraying arm can be rotatably arranged at the second end of the upper pipe body, a flow channel communicated with the water flow channel is formed in the spraying arm, and a spraying hole communicated with the flow channel is formed in a wall plate of the spraying arm;

it is characterized by also comprising:

the lower connecting seat is vertically arranged and is relatively and fixedly arranged on the periphery of the lower pipe body;

and the upper connecting seat is relatively and fixedly arranged on the periphery of the upper pipe body and is positioned on the lower connecting seat, one end of the upper connecting seat, which is adjacent to the lower connecting seat, is detachably arranged at the upper end of the lower connecting seat, and the upper pipe body is arranged on the lower pipe body in a state that the upper connecting seat is arranged on the lower connecting seat.

The upper pipe body may be transversely arranged as a whole, or may be vertically arranged locally, but preferably, the upper pipe body has a vertical section extending in the up-down direction, the lower end of the vertical section is connected to the lower pipe body, and the upper connecting seat is located locally at the periphery of the vertical section.

In order to realize the detachable connection of the upper connecting seat and the lower connecting seat, one of the upper connecting seat and the lower connecting seat is provided with a clamping hook which can rotate relative to the inner part and the outer part of the upper pipe body, the other one of the upper connecting seat and the lower connecting seat is provided with a concave part for clamping the hook part of the clamping hook into the concave part, and the elastic part is acted on the clamping hook and always leads the hook part of the clamping hook to have the trend of moving towards the inside of the concave part. So, the pothook cooperates and realizes going up the installation of connecting seat and lower connecting seat with the joint that corresponds the depressed part under the effect of elastic component, and whole dismouting process is convenient and fast and reliable.

In order to increase the installation stability of the upper connecting seat and the lower connecting seat, the lower connecting seat is provided with two clamping hooks which are oppositely arranged, the lower connecting seat is provided with the concave parts at the positions corresponding to the clamping hooks, and each clamping hook is provided with at least one elastic piece. In addition, each hook can be provided with two or more elastic pieces. In addition, the hook can also be arranged on the upper connecting seat, and the concave part is arranged on the lower connecting seat.

The hooks can be transversely arranged, vertically arranged and obliquely arranged, but preferably, the hooks are vertically arranged, the lower ends of the hooks are rotatably arranged on the lower connecting seat, the hook parts are positioned at the upper ends of the hooks, and the outer wall surface of the upper connecting seat is provided with the concave parts.

In order to conveniently realize the installation of the clamping hooks, the lower connecting seat is provided with side plates which are arranged at intervals and vertically extend, and two opposite sides of each clamping hook are respectively and rotatably arranged on the side plates of the corresponding sides.

In order to position the locking position of the hook and prevent the hook from rotating due to error touch to separate the upper connecting seat and the lower connecting seat, a sliding sleeve which is arranged to move up and down relative to the upper connecting seat is arranged on the periphery of the upper connecting seat, and the sliding sleeve is positioned on the periphery of the hook to limit the outward rotation of the hook part to separate from the corresponding recessed part under the state that the hook part of the hook is positioned in the recessed part on the corresponding side. So, the existence of sliding sleeve carries on spacingly to the turned angle of pothook for the firm reliable more of joint of the hook portion and the depressed part of pothook.

In order to limit the downward movement position of the sliding sleeve, a limiting rib for limiting the downward movement of the sliding sleeve is arranged on the outer wall surface of the upper connecting seat in a protruding mode, a protruding rib is arranged on the position, close to the top end, of the inner wall surface of the sliding sleeve in a protruding mode, the sliding sleeve slides downwards to be located on the periphery of the clamping hook, and the bottom of the protruding rib abuts against the top of the limiting rib.

In order to prevent the water leakage after the upper pipe body and the lower pipe body are connected, the lower end of the vertical section is provided with a contraction section which gradually contracts from top to bottom, the contraction section is inserted into the lower pipe body when the upper pipe body and the lower pipe body are in an installation state, and the contraction section and the lower pipe body are in sealing connection through a sealing piece. The existence of the sealing element increases the sealing performance of the joint of the upper pipe body and the lower pipe body, and prevents the water leakage.

In order to realize the installation of spray arm, it has the horizontal pipe portion that is connected with vertical section and transverse arrangement to go up the body, the other end of horizontal pipe portion has the bending section of buckling down and extending, the periphery of bending section is provided with fixed cover, the end of fixed cover is formed with along inside extension and is annular flange, the intercommunication has on the last wallboard of spray arm the inhalant canal of rivers passageway and runner, inhalant canal is located the central authorities of flange are downthehole, install the part on the inhalant canal and be located downthehole go-between of central authorities, the top of go-between is formed with along the outside extension of side direction and is located chimb on the flange. So, the spray arm is spacing on the fixed cover through the go-between, and can go up the tubular body relatively and rotate under the rivers effect.

The technical scheme adopted by the utility model for solving the second technical problem is as follows: the cleaning machine with the spraying system is characterized in that: still including the box, the inside washing chamber that has of box, spraying system is located the washing intracavity just installs on the inside wall in washing chamber, the water inlet of body is located down on the bottom in washing chamber, be provided with on the bottom plate of box and be used for the pump income with water the intraoral power component of water inlet of body down.

The technical scheme adopted by the utility model for solving the third technical problem is as follows: the bowl basket is characterized by further comprising a bowl basket arranged in the washing cavity, the bowl basket is of a grid structure formed by cross arrangement of a plurality of connecting strips, and the upper connecting seat is supported on the bowl basket through a support.

In order to prevent the occurrence of a cantilever beam, it is further ensured that the upper connecting socket of the entire shower system has a transversely extending transverse section on which a first side of the bracket is mounted, and that a second side of the bracket opposite the first side rests on one of the connecting strips of the bowl basket.

Compared with the prior art, the utility model has the advantages that: this a spraying system for cleaning machine's upper tube body and the periphery of body are provided with connecting seat and lower connecting seat respectively, go up the connecting seat and protect and support upper tube body and lower body respectively with lower connecting seat, under the state of upper connecting seat installation on connecting seat down, the upper tube body is installed under on the body. In the working process of the spray arm, due to the support of the upper connecting seat and the lower connecting seat, the situation that the joint of the upper pipe body and the lower pipe body is separated or leaks is prevented, and the reliability is improved.

Drawings

FIG. 1 is a sectional view of the present embodiment;

FIG. 2 is a schematic view of a part of the structure in this embodiment;

FIG. 3 is a cross-sectional view of the sprinkler system of FIG. 2;

FIG. 4 is a cross-sectional view of another angle of the sprinkler system of FIG. 2;

fig. 5 is a schematic perspective exploded view of the spray system of fig. 2.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

As shown in fig. 1, the washing machine of the present embodiment is a washing machine for washing kitchenware or fruits and vegetables. The cleaning machine comprises a box body 8, a bowl basket 9 and a spraying system. The cabinet 8 has a washing chamber 80 therein, and the spraying system is located in the washing chamber 80 and is installed on the inner sidewall of the washing chamber 80.

As shown in fig. 2 to 4, the spraying system includes a lower pipe 1, an upper pipe 2, a spraying arm 3, a lower connecting seat 4 and an upper connecting seat 5. The lower pipe body 1 is provided with a water channel 10 inside, the lower pipe body 1 comprises a vertical pipe section 11 arranged vertically and a connecting pipe section 12 positioned below the vertical pipe section 11, and the tail end of the connecting pipe section 12 is provided with a water inlet 101. The water inlet 101 of the lower pipe body 1 is located at the bottom of the washing chamber 80, and the bottom plate of the box body 8 is provided with a power assembly 81 for pumping water into the water inlet 101 of the lower pipe body 1. The power assembly 81 adopts a structure that a water pump and an impeller in the prior art are matched, and details are not described in this embodiment.

As shown in fig. 2 to 4, the upper pipe body 2 includes a horizontal pipe portion 2a arranged horizontally, a first end of the horizontal pipe portion 2a has a vertical section 21 extending in the up-down direction, and a second end of the horizontal pipe portion 2a has a bent section 22 extending while being bent downward. The upper tube 2 is located above the lower tube 1 and has a water passage 20 therein. The vertical section 21 of the upper pipe body 2 is detachably mounted on the lower pipe body 1, and the water flow passage 20 is communicated with the water passage 10 in a state of being mounted on the lower pipe body 1. Specifically, the lower extreme of vertical section 21 has the shrink section 211 that top-down gradually shrunk, and shrink section 211 is the toper, and under last body 2 was in the mounted state with body 1 down, shrink section 211 inserted body 1 down in, and realized sealing connection through the sealing member between the two. The aforementioned sealing element is a sealing ring 02.

As shown in fig. 1 and 2, the spray arm 3 is arranged to be rotatably disposed on the lower end of the bending section 22 of the upper pipe body 2, and has a flow passage 30 communicating with the water flow passage 20 inside, the spray arm 3 is transversely arranged, and a bottom wall plate of the spray arm 3 is provided with a spray hole 301 communicating with the flow passage 30; further, the side wall plate or the top wall plate of the shower arm 3 may be provided with shower holes 301. In order to realize the installation of the spray arm 3, the periphery of the bending section 22 is provided with a fixing sleeve 23, the bottom edge of the fixing sleeve 23 extends inwards to form an annular flange 231, the upper wall plate of the spray arm 3 is provided with a water inlet channel 302 communicated with the water flow channel 20 and the flow channel 30, the water inlet channel 302 is positioned in the central hole of the flange 231, the water inlet channel 302 is provided with a connecting ring 33 partially positioned in the central hole, the top edge of the connecting ring 33 extends outwards in the lateral direction to form a convex edge 331 positioned on the flange 231, and thus, the installation of the spray arm 3 and the bending section 22 is realized.

As shown in fig. 2 to 5, the lower connecting base 4 is vertically arranged and relatively fixedly installed on the periphery of the vertical pipe section 11 of the lower pipe body 1, and the lower connecting base 4 and the lower pipe body 1 move together. The upper connecting base 5 is relatively fixed and installed on the periphery of the horizontal tube part 2a and the vertical section 21 of the upper tube body 2 and is positioned on the lower connecting base 4. One end of the upper connecting seat 5 adjacent to the lower connecting seat 4 is detachably mounted at the upper end of the lower connecting seat 4, so that the lower connecting seat 4 and the lower pipe body 1 can be detached from the upper connecting seat 5 and the upper pipe body 2 together, and in a state that the upper connecting seat 5 is mounted on the lower connecting seat 4, meanwhile, the vertical section 21 of the upper pipe body 2 is mounted on the lower pipe body 1; when the upper connecting seat 5 is detached from the lower connecting seat 4, the upper pipe body 2 moves together with the upper connecting seat 5, and meanwhile, the upper pipe body 2 can be detached from the lower pipe body 1. In addition, in order to install the lower connecting seat 4 on the lower pipe body 1, the lower connecting seat 4 is composed of two involutory half shells, and a space for accommodating the lower pipe body is formed between the two half shells. In order to conveniently install the upper connecting seat on the upper pipe body, the upper connecting seat is also formed by involution of two half shells, and a space for accommodating the upper pipe body is formed between the two half shells of the upper connecting seat.

In order to realize the installation of the upper connecting seat 5 and the lower connecting seat 4, as shown in fig. 3 to 5, the lower connecting seat 4 is provided with side plates 41 which are oppositely arranged at intervals left and right and vertically extend, the lower connecting seat 4 is provided with two hooks 6 which are arranged at intervals front and back and are respectively positioned between the two side plates 41, and the left and right opposite sides of the hooks 6 are respectively rotatably arranged on the side plates 41 on the corresponding sides. The structure and the installation mode of each hook 6 are the same, and one hook 6 is taken as an example for explanation. Pothook 6 is vertical to be set up, and two curb plates 41 all are provided with the projection 411 that extends along left and right direction on the position that is close to the lower extreme towards the face of pothook 6, and the lower extreme of pothook 6 is provided with the slot that supplies the projection to insert to locate wherein on the position that corresponds projection 411, so, the lower extreme of pothook 6 passes through projection 411 and the normal running fit who corresponds slot 62 and installs on two curb plates 41. The hook 61 is located at the upper end of the catch 6. The outer wall surface of the upper connecting seat 5 is recessed inwards to form a recessed part 51 into which the hook part 61 of the corresponding hook 6 is clamped, and specifically, each hook 6 is provided with two elastic pieces which act on the hook 6 and always enable the hook part of the hook 6 to have a movement trend towards the recessed part 51. The slot 62 of each hook 6 is provided with an elastic element, specifically, the elastic element is a torsion spring 03 which is partially located in the slot 62, one end of the torsion spring 03 abuts against the corresponding convex column, and the other end of the torsion spring 03 abuts against the hook 6.

In order to limit the hook 6 in a state where the hook portion of the hook is located in the recess portion of the corresponding side, as shown in fig. 3 and 4, the periphery of the upper connecting base 5 is provided with a sliding sleeve 7 arranged to be movable up and down relative to the upper connecting base 5, and the sliding sleeve 7 is located at the periphery of the hook 6 in a state where the hook portion of the hook 6 is located in the recess portion 51 of the corresponding side. In order to limit the position of the sliding sleeve, as shown in fig. 5, a limiting rib 52 for limiting the downward movement of the sliding sleeve 7 is convexly arranged on the outer wall surface of the upper connecting seat 5, a convex rib 71 is convexly arranged on the position of the inner wall surface of the sliding sleeve 7, which is adjacent to the top end, and the bottom of the convex rib 71 abuts against the top of the limiting rib 52 when the sliding sleeve 7 slides downward to be located at the periphery of the hook 6.

As shown in fig. 1, the bowl basket 9 is disposed in the washing chamber 80, and the net frame structure formed by the cross arrangement of the plurality of connecting strips 91, in order to support the spraying system, as shown in fig. 1 and 2, the upper connecting seat 5 is supported on the bowl basket 9 through a bracket 01. Specifically, the upper connector holder 5 has a laterally extending transverse section 53, the right side of the bracket 01 is mounted on the transverse section 53, and the left side of the bracket 01 rests on one of the connector strips 91 of the bowl basket 9, as shown in particular in fig. 2.

The orientation in this embodiment is specifically referred to the direction indicated by the arrow in fig. 2.

The disassembly and assembly processes of the upper connecting seat 5 and the lower connecting seat 4 in the above embodiment are as follows:

when the upper connecting seat 5 is installed, the sliding sleeve is pushed to move upwards to a proper position, the hook 6 of the lower connecting seat 4 is pushed by a hand to rotate outwards, meanwhile, the upper connecting seat 5 moves downwards, the hook 6 rotates inwards under the action of the torsion spring, and at the moment, the hook part of the hook 6 is clamped in the concave part 51 of the upper connecting seat 5 to finish clamping; meanwhile, the upper pipe body and the lower pipe body are inserted together and sealed through a sealing ring 02; the sliding sleeve 7 is pushed downwards, and when the sliding sleeve 7 moves downwards to be positioned at the periphery of the clamping hook 6, the hook part of the clamping hook 6 is limited to rotate outwards to be separated from the corresponding concave part 51, so that the installation of the upper connecting seat 5 and the lower connecting seat 4 is completed.

The connection fit between the upper connecting seat 4 and the lower connecting seat 4 is completed by the clamping fit of the clamping hook 6 and the concave part 51, and the sliding sleeve 7 moves to the connection fit position to realize the locking of the matching between the clamping hook 6 and the concave part 51, so that the installation of the upper connecting seat 5 and the lower connecting seat 4 is more reliable and convenient. The contraction section 211 is matched with the structure of the sealing ring 02, so that the connection tightness of the upper and lower pipe bodies and the reliability of the connection process are ensured. The upper connecting seat 5 and the upper pipe body are fixedly connected relatively, the lower pipe body is fixedly connected with the lower connecting seat 4 relatively, and the upper pipe body is connected with the lower pipe body while connection of the upper connecting seat and the lower connecting seat is guaranteed.

Directional terms such as "front," "rear," "upper," "lower," "left," "right," "side," "top," "bottom," and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the utility model, but are used herein for convenience of description only and are to be determined based on the example orientations shown in the drawings. Because the disclosed embodiments of the present invention may be oriented in different directions, the directional terms are used for descriptive purposes and are not to be construed as limiting, e.g., "upper" and "lower" are not necessarily limited to directions opposite to or coincident with the direction of gravity.

Claims

1. A spray system for a cleaning machine comprising:

the lower pipe body (1) is at least partially vertically arranged, a water channel (10) is arranged in the lower pipe body, and a water inlet (101) is formed in the lower end of the lower pipe body;

the upper pipe body (2) is positioned above the lower pipe body (1), a water flow channel (20) is arranged in the upper pipe body, the first end of the upper pipe body can be detachably arranged on the lower pipe body (1), and the water flow channel (20) is communicated with the water flowing channel (10) in the state of being arranged on the lower pipe body (1);

the spraying arm (3) is rotatably arranged at the second end of the upper pipe body (2), a flow channel (30) communicated with the water flow channel (20) is formed in the spraying arm, and a spraying hole (301) communicated with the flow channel (30) is formed in a wall plate of the spraying arm;

it is characterized by also comprising:

the lower connecting seat (4) is vertically arranged and is relatively and fixedly arranged on the periphery of the lower pipe body (1);

the upper connecting seat (5) is relatively and fixedly arranged on the periphery of the upper pipe body (2) and is positioned on the lower connecting seat (4), one end, close to the lower connecting seat (4), of the upper connecting seat (5) is detachably arranged at the upper end of the lower connecting seat (4), and the upper pipe body (2) is arranged on the lower pipe body (1) in a state that the upper connecting seat (5) is arranged on the lower connecting seat (4).

2. The spray system of claim 1, wherein: the upper pipe body (2) is provided with a vertical section (21) extending along the vertical direction, the lower end of the vertical section (21) is connected with the lower pipe body (1), and the upper connecting seat (5) is locally positioned on the periphery of the vertical section (21).

3. The spray system of claim 2, wherein: go up and be provided with on one of them of connecting seat (5) and lower connecting seat (4) and can be relative go up inside and outside pivoted pothook (6) of body (2), go up and offer the confession on another of connecting seat (5) and lower connecting seat (4) hook portion (61) card of pothook (6) goes into depressed part (51) in it, still including being used in on pothook (6) and make hook portion (61) of this pothook (6) have the court the elastic component of depressed part (51) internal motion trend all the time.

4. The spray system of claim 3, wherein: the lower connecting seat (4) is provided with two oppositely arranged clamping hooks (6), the lower connecting seat (4) is provided with the concave parts (51) at the positions corresponding to the clamping hooks (6), and each clamping hook (6) is provided with at least one elastic piece.

5. The spray system of claim 4, wherein: the clamping hook (6) is vertically arranged, the lower end of the clamping hook (6) is rotatably arranged on the lower connecting seat (4), the hook part (61) is located at the upper end of the clamping hook (6), and the outer wall surface of the upper connecting seat (5) is provided with the concave part (51).

6. The spray system of claim 3, wherein: the lower connecting seat (4) is provided with side plates (41) which are arranged at intervals and vertically extend, and two opposite sides of the clamping hook (6) are respectively and rotatably arranged on the side plates (41) on the corresponding sides.

7. The spray system of claim 4, wherein: the periphery of the upper connecting seat (5) is provided with a sliding sleeve (7) which is arranged to move up and down relative to the upper connecting seat (5), and the sliding sleeve (7) is positioned on the periphery of the hook (6) to limit the outward rotation of the hook (61) to be separated from the corresponding concave part (51) under the condition that the hook part (61) of the hook (6) is positioned in the concave part (51) on the corresponding side.

8. The spray system of claim 7, wherein: the outer wall surface of the upper connecting seat (5) is convexly provided with a limiting rib (52) for limiting the downward movement of the sliding sleeve (7), the position, close to the top end, of the inner wall surface of the sliding sleeve (7) is convexly provided with a convex rib (71), the sliding sleeve (7) slides downwards to be located in the peripheral state of the clamping hook (6), and the bottom of the convex rib (71) is abutted to the top of the limiting rib (52).

9. The spray system of claim 2, wherein: the lower end of the vertical section (21) is provided with a contraction section (211) which gradually contracts from top to bottom, the upper pipe body (2) and the lower pipe body (1) are in an installation state, the contraction section (211) is inserted into the lower pipe body (1), and the contraction section (211) and the lower pipe body are in sealing connection through a sealing piece.

10. The spray system of claim 2, wherein: go up body (2) and have horizontal pipe portion (2a) that is connected and transverse arrangement with vertical section (21), the other end of horizontal pipe portion (2a) has bend down and extends kinking section (22), the periphery of kinking section (22) is provided with fixed cover (23), the end of fixed cover (23) is formed with along inwards extending and is annular flange (231), the intercommunication has on the last wallboard of spray arm (3) intake passage (302) of rivers passageway (20) and runner (30), intake passage (302) are located the centre bore of flange (231), it is located to install the part on intake passage (302) go up connecting ring (33) in the centre bore, the top of connecting ring (33) is formed with along the outside extension of side direction and is located flange (331) on flange (231).

11. A cleaning machine having a spray system as claimed in any one of claims 1 to 10, characterized in that: still including box (8), box (8) inside has washing chamber (80), spraying system is located in washing chamber (80) and install on the inside wall of washing chamber (80), water inlet (101) of body (1) are located down on the bottom of washing chamber (80), be provided with on the bottom plate of box (8) and be used for with the water pump income power component (81) in water inlet (101) of body (1) down.

12. The cleaning machine of claim 11, wherein: still including setting up bowl basket (9) in washing chamber (80), bowl basket (9) are by many connecting strips (91) cross arrangement's spatial grid structure, go up connecting seat (5) and support through support (01) on bowl basket (9).

13. The washing machine as claimed in claim 12, wherein: the upper connecting seat (5) is provided with a transverse section (53) extending transversely, a first side of the bracket (01) is arranged on the transverse section (53), and a second side of the bracket (01) opposite to the first side is rested on one of the connecting strips (91) of the bowl basket (9).