CN114748011A - A spray set and cleaning machine for cleaning machine - Google Patents

Abstract

The invention relates to a spraying device for a cleaning machine and the cleaning machine, wherein the spraying device for the cleaning machine comprises a mounting seat; the main spray arm can be rotatably arranged on the mounting seat, a main runner is formed inside the main spray arm, the main spray arm is provided with a water inlet channel communicated with the main runner, and at least a top wall plate is provided with a spray hole; the auxiliary spraying arm is internally provided with a sub-runner communicated with the main runner and a water outlet communicated with the sub-runner; the first end of the auxiliary spray arm is rotatably arranged on the side wall of the main spray arm and is provided with a sliding piece extending along the rotating axis of the main spray arm; the moving part is arranged to move back and forth along the length direction of the main spray arm, a sliding groove extending along the up-down direction for sliding the sliding part is formed, and the second end of the auxiliary spray arm is driven to swing up and down relative to the main spray arm when the moving part moves back and forth. In the process that the auxiliary spraying arm rotates along with the main spraying arm, the changed jet angle increases the cleaning area, and multi-angle and all-around washing is realized.

Description

A spray set and cleaning machine for cleaning machine

Technical Field

The invention belongs to the field of household appliances, and particularly relates to a spraying device 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 all directions through the rotation of the sprayer.

At present, chinese utility model patent "a spray set for cleaning machine" as applicant previously applied for, its patent number is ZL201821740203.4 (grant publication number is CN209695125U) discloses a spray set for cleaning machine includes the water pump and is used as the spray arm of water pump play water part, the water pump includes centrifugal impeller, still including setting up between spray arm and the centrifugal impeller, can make the spray arm constant speed rotatory drive mechanism, drive mechanism includes the planetary gear mechanism who is connected with the centrifugal impeller transmission, drives pivoted ring gear by planetary gear mechanism, ring gear and spray arm fixed connection. The spraying device achieves the spraying purpose, but only a circular spraying area is formed during the rotation process, and a cleaning dead angle can occur.

In order to solve the above technical problems, for example, in the chinese utility model patent "a spray arm and a cleaning machine for a cleaning machine" previously applied by the applicant, the patent number ZL202020282374.8 (publication number CN212972883U) discloses a spray arm for a cleaning machine, which comprises a mounting seat for fixing relative to the cleaning machine; the main spraying arm is rotatably arranged on the mounting seat, a main flow channel is formed in the main spraying arm, and the main spraying arm is provided with a water inlet channel for supplying water into the main flow channel; the auxiliary spray arm is rotatably arranged at a position close to the end part of the main spray arm, a sub-flow passage communicated with the main flow passage is arranged in the auxiliary spray arm, and at least one of the auxiliary spray arm and the main spray arm is provided with a spray hole for spraying water flow; and the elastic piece acts on the auxiliary spray arm and has a tendency of enabling the auxiliary spray arm to rotate relative to the main spray arm in an energy storage state. The auxiliary spray arm in the spray arms can rotate reliably and expand outwards, so that the cleaning area is increased, but only upward spraying is realized, the spray angle cannot be changed, such as outward spraying, and the cleaning range is limited.

Accordingly, further improvements to existing spray devices are needed.

Disclosure of Invention

The first technical problem to be solved by the present invention is to provide a spraying device for a cleaning machine, which changes a spraying angle to increase a cleaning area, in view of the above-mentioned current state of the prior art.

The invention aims to solve the second technical problem of providing a spraying device which sprays laterally to clean the inner side surface of a cleaning machine.

The technical scheme adopted by the invention for solving the first technical problem is as follows: a spray assembly for a cleaning machine comprising:

the mounting seat is used for being fixed relative to the cleaning machine;

the main spray arm is rotatably arranged on the mounting seat, a main flow channel is formed in the main spray arm, the main spray arm is provided with a water inlet channel communicated with the main flow channel, and at least a top wall plate of the main spray arm is provided with a spray hole;

the auxiliary spraying arm is internally provided with a sub-runner communicated with the main runner and a water outlet communicated with the sub-runner;

the first end of the auxiliary spray arm is rotatably arranged on the side wall of the main spray arm and is provided with a sliding piece extending along the rotating axis of the main spray arm; the spraying device also comprises:

The movable piece is arranged to move back and forth along the length direction of the main spray arm, a sliding groove which extends along the vertical direction and is used for the sliding of the sliding piece is formed in the movable piece, and the second end of the auxiliary spray arm is driven to swing up and down relative to the main spray arm when the movable piece moves back and forth.

The moving part can move back and forth in a form of driving by a driving mechanism and can also move outwards under the action of centrifugal force, preferably, an elastic part is installed on the moving part, the fixed end of the elastic part is installed on the main spray arm, and the elastic part enables the moving part to always have the trend of moving towards the fixed end of the elastic part along the length direction of the main spray arm when the main spray arm is in a rotating state. Therefore, in the rotating process of the main spraying arm, the moving part moves outwards under the action of centrifugal force, and the automatic resetting of the moving part is realized due to the existence of the elastic piece.

The elastic piece and the movable piece can be arranged on the main spray arm, can also be arranged on the side wall of the main spray arm, and can also be arranged below the main spray arm.

The movable member may extend along the length direction of the main spray arm and may also extend along the direction in which the main spray arms intersect, but preferably, the movable member extends along the length direction of the main spray arm and has a connecting plate extending upward, and the sliding groove is opened on the connecting plate.

In order to realize the rotary connection of the auxiliary spray arm and the main spray arm, the auxiliary spray arm faces the first wallboard of the main spray arm and is provided with a water inlet, the main spray arm is provided with an outlet communicated with the water inlet and the main runner at the position corresponding to the water inlet, and the peripheral side of the water inlet is provided with a clamping hook which penetrates through the outlet and restrains the side wall of the outlet of the main spray arm on the first wallboard of the auxiliary spray arm.

In order to limit the moving stroke of the moving part, the moving part is positioned on the main spray arm, a guide groove extending along the moving direction of the moving part is formed in the moving part, the spray hole is formed in the position corresponding to the guide groove, and a blocking part which is positioned in the guide groove and slides relative to the guide groove is arranged on the top surface of the main spray arm.

Preferably, the main runner extends along the length direction of the main spray arm, and includes a water collecting cavity located at a position adjacent to the central position and water flow channels located at two sides of the water collecting cavity, the spray holes are formed in positions corresponding to the water flow channels, and the water inlet channels are formed in the bottoms of the main spray arms and correspond to the positions of the water collecting cavity.

In order to position the rotated position of the auxiliary spray arm, a rotary vane which can rotate relative to the main spray arm to position the auxiliary spray arm is arranged on the main spray arm, and when the rotary vane rotates to be arranged along the length direction of the movable member, the free end of the rotary vane is abutted against the first end of the movable member, and the auxiliary spray arm is vertically arranged.

In order to realize the positioning of the rotary piece, the end face of the first end of the movable piece is provided with an inward concave depressed area, the free end of the rotary piece is in a V shape with the tip end facing outwards, and the tip end of the rotary piece is positioned in the depressed area when the rotary piece is arranged along the length direction of the movable piece.

In order to realize the further location of spinning disk, spinning disk and moving part all are located on the main spray arm, and this spinning disk is equipped with and has elastic card foot, the top surface of main spray arm has the recess of undercut when the spinning disk is arranged along the length direction of moving part, the free end of card foot corresponds the recess and arranges and block in this recess.

Preferably, the secondary spray arm is perpendicular to the primary spray arm in a state where the rotary plate is arranged along a length direction of the movable member.

Specifically, the auxiliary spray arms and the movable members are provided with two groups, a fixed member is arranged at a position, close to the center, of the main spray arm, the fixed member is positioned between the two movable members, and a position, close to the center, of the rotary sheet is rotatably arranged on the fixed member.

The sub spray arm may be provided at an end portion of the main spray arm, and may also be provided on a side wall of the main spray arm, but preferably, two side walls of the main spray arm arranged along a rotation direction thereof are first side walls, and the sub spray arm is provided on one of the first side walls.

The auxiliary spray arms can be arranged on the same side or in a staggered manner, but preferably, the auxiliary spray arms and the movable pieces are arranged in two groups and arranged along the length direction of the main spray arm, and the main spray arm is positioned between the two auxiliary spray arms along the rotation direction of the main spray arm.

Preferably, the water outlet hole is located on an outer wall surface of the auxiliary spray arm when the second end of the auxiliary spray arm swings upward, and the water outlet hole is located on a top wall surface of the auxiliary spray arm when the second end of the auxiliary spray arm swings downward. In addition, the water outlet hole is positioned on the top surface when the second end is in an upward swinging state, and the water outlet hole is positioned on the outer wall surface of the auxiliary spraying arm when the second end is in a downward swinging state.

The technical solution adopted by the present invention to solve the second technical problem is as follows: the cleaning machine with the spraying device is characterized in that: the washing machine comprises a washing box with a washing chamber, wherein a mounting seat is fixed at a position of the washing chamber, which is close to the bottom, and the position of the bottom of a main spray arm, which is close to the center, is rotatably arranged on the upper part of the mounting seat.

In order to support the object basket, the object basket is arranged in the washing chamber, the object basket is placed on the auxiliary spraying arm when the second end of the auxiliary spraying arm swings upwards to the highest position, and the water outlet hole faces to the corresponding inner side face of the washing chamber. Therefore, the existence of the auxiliary spray arm can ensure that the structure for supporting the storage basket does not need to be arranged independently,

in order to reduce the friction between the auxiliary spray arm and the storage basket, the end face of the second end of the auxiliary spray arm is provided with a ball, the bottom surface of the storage basket is provided with an annular groove which is upwards sunken and extends along the circumferential direction to allow the ball to slide on the position corresponding to the ball, and the ball is always positioned in the annular groove when the main spray arm is in a rotating state.

Compared with the prior art, the invention has the advantages that: when the moving part moves back and forth along the length direction of the main spraying arm in the spraying device, the second end of the auxiliary spraying arm can swing up and down, so that the jet angle of the water outlet hole in the auxiliary spraying arm is adjusted, the changed jet angle increases the cleaning area in the process that the auxiliary spraying arm rotates along with the main spraying arm, the washing of multiple angles and the whole aspect is realized, and the cleaning effect is improved.

Drawings

FIG. 1 is a partial structural schematic diagram of a cleaning machine in which a main spray arm and an auxiliary spray arm are in a vertical state;

FIG. 2 is a sectional view of the cleaning machine of the present embodiment;

FIG. 3 is a schematic view of the spraying device shown in FIG. 1;

FIG. 4 is a longitudinal cross-sectional view of FIG. 3;

FIG. 5 is a transverse cross-sectional view of FIG. 3;

FIG. 6 is a partial structural schematic view of a cleaning machine with a main spray arm and an auxiliary spray arm in a parallel state;

FIG. 7 is a cross-sectional view of the spray assembly of FIG. 6;

fig. 8 is a schematic structural view of the spraying device in fig. 6.

Detailed Description

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

As shown in fig. 1 to 8, the washing machine of the present embodiment is used to wash dishes (tableware) or fruits and vegetables. The cleaning machine comprises a cleaning box 5, a storage basket 6, a spraying device 01 and a water pumping mechanism 7.

As shown in fig. 2 and 4, the washing chamber 50 is provided inside the washing tank 5, and the shower device 01 includes a mounting base 51, a main shower arm 1, an auxiliary shower arm 2, and a movable element 3. The mounting seat 51 is disposed at a position adjacent to the bottom of the washing chamber 50, the main spray arm 1 is rotatably disposed at the top of the mounting seat 51, and the main spray arm 1 is internally formed with a main flow channel 10, specifically, the main flow channel 10 extends along the length direction of the main spray arm 1, and includes a water collecting cavity 101 located at an adjacent central position and two water flow channels 102 located at two sides of the water collecting cavity 101, and the spray holes 1021 are disposed at positions corresponding to the water flow channels 102. The position of the bottom of the main spray arm 1 near the center is provided with a water inlet channel communicated with the water collecting cavity 101, the water inlet channel is arranged corresponding to the water collecting cavity 101, and the top wall plate of the main spray arm 1 is provided with a spray hole 1021 at the position corresponding to the water flow channel 102. In addition, as shown in fig. 4, a driving hole 106 is formed at the bottom of the main spray arm 1, and is communicated with the water flow channel 102 to drive the main spray arm 1 to rotate.

As shown in fig. 4, the mounting seat 51 has a diversion channel 511 at a position corresponding to the water inlet channel, and the water pumping mechanism 7 pumps the water at the bottom of the washing chamber 50 into the water collecting cavity 101 of the main spraying arm 1 through the diversion channel 511. The water pumping mechanism 7 in this embodiment includes a motor 71 and an impeller assembly 72, the upper part of the impeller assembly 72 is a centrifugal impeller located in the water collecting cavity 101 of the spray arm, the lower part of the impeller assembly 72 is an axial-flow impeller located below the water inlet channel, the motor 71 is located below the cleaning tank and is located below the impeller assembly 72, and the output shaft of the motor is connected to the impeller assembly 72.

As shown in fig. 3, 5 to 7, two side walls of the main spray arm 1 arranged along the rotation direction are first side walls 1a, and the sub spray arm 2 is disposed on one of the first side walls 1a, and the sub spray arm 2 in this embodiment is two and arranged at intervals along the length direction of the main spray arm 1. Along the direction of rotation of the main spray arm 1, the main spray arm 1 is located between two secondary spray arms 2. The configuration, installation form, and movement form of the sub shower arms 2 are the same, and one of the sub shower arms 2 will be described below as an example.

As shown in fig. 7, the sub shower arm 2 has a branch passage 20 communicating with the main passage 10 and has nozzle holes 201 communicating with the branch passage 20. In this embodiment, the first end of the auxiliary spray arm 2 is rotatably disposed on the side wall of the main spray arm 1, in order to rotatably connect the auxiliary spray arm 2 and the main spray arm 1, as shown in fig. 4, the auxiliary spray arm 2 is opened with a water inlet 211 communicated with the corresponding branch channel 20 toward the first wall plate 21 of the main spray arm 1, the main spray arm 1 is opened with an outlet 105 communicating the water inlet 211 and the main channel 10 at a position corresponding to the water inlet 211, the peripheral side of the water inlet 211 is provided with three hooks 212 passing through the outlet 105 and restraining the side wall where the outlet 105 of the main spray arm 1 is located on the first wall plate 21 of the auxiliary spray arm 2, the hooks 212 are circumferentially spaced along the water inlet 211, in addition, two or more than three hooks may be used, and each hook 212 forms a rotation axis of the auxiliary spray arm 2.

As shown in fig. 1 to 4, each secondary spray arm 2 corresponds to a movable member 3 and an elastic member, the elastic member and the movable member 3 are both located above the primary spray arm 1, a fixed member 11 is disposed on a top wall plate of the primary spray arm 1 near the middle, and the fixed member is located between the two movable members 3. The following description will take a set of sub-showers 2, moving elements 3 and elastic elements as an example. The movable member 3 of the present embodiment extends along the longitudinal direction of the main shower arm 1. The elastic element is a spring 35 arranged along the length direction of the main spray arm 1, the fixed end of the spring 35 is installed on the fixed part 11, and the other end of the spring 35 is connected with the position of the corresponding movable element 3 adjacent to the inner end, so that during the rotation process of the main spray arm 1, under the action of centrifugal force, the movable element 3 can move outwards (i.e. towards the direction far away from the fixed end of the spring 35) along the length direction of the main spray arm 1. The spring 35 causes the movable element 3 to always have a tendency to move inward (toward the fixed end of the spring 35) along the longitudinal direction of the main shower arm 1 when the main shower arm 1 is in a rotating state.

In order to limit the moving part 3 from moving back and forth and avoid covering the spray holes 1021 on the main spray arm 1, as shown in fig. 1 to 4 and 6 to 8, the moving part 3 is provided with a guide groove 32 extending along the moving direction thereof, the spray holes 1021 are provided at positions corresponding to the guide groove 32, the top surface of the main spray arm 1 is provided with blocking members 14 located in the guide groove 32 and sliding relative to the guide groove 32, in this embodiment, each moving part 3 corresponds to two blocking members 14, and the existence of the two blocking members 14 limits the moving stroke of the moving part from moving back and forth.

In order to connect the movable member and the corresponding secondary spray arm 2, as shown in fig. 4, the outer end of the movable member 3 has a connecting plate 31 extending upward, and the connecting plate 31 is provided with a sliding groove 311 extending in the vertical direction. The position of the secondary spray arm 2 adjacent to the middle is provided with a sliding part 23 extending along the rotation axis thereof, the sliding part 23 is positioned in the sliding groove 311 and is in sliding fit along the sliding groove 311, and when the movable part 3 moves back and forth along the length direction of the primary spray arm 1, the second end of the secondary spray arm 2 is driven to swing up and down relative to the primary spray arm 1. In this embodiment, when the movable element 3 moves inward along the length direction of the main spray arm 1, the second end of the auxiliary spray arm 2 is driven to swing downward, and when the second end of the auxiliary spray arm 2 is in a downward swing state, the water outlet hole 201 is located on the top wall surface of the auxiliary spray arm 2, as shown in fig. 6. When the movable member 3 moves outwards along the length direction of the main spray arm 1, the second end of the auxiliary spray arm 2 is driven to swing upwards, and the water outlet 201 is located on the outer wall surface of the auxiliary spray arm 2 when the second end of the auxiliary spray arm 2 is in an upwards swinging state, as shown in fig. 3 in particular, the water outlet 201 faces the inner side surface of the washing chamber, so that the inner side surface of the washing chamber 40 is sprayed and cleaned.

In order to position the upward swinging position of the secondary spray arm 2, the primary spray arm 1 is provided with a rotary vane 4 which can rotate relative to the primary spray arm 1 to position the secondary spray arm 2, and the position of the rotary vane 4 near the center is rotatably arranged on a fixed part 11. The rotating plate 4 of the present embodiment has two free ends, the free end of the rotating plate 4 is in a V shape with the tip end facing outward, the end face of the first end of the moving element 3 has an inward recessed area 33, as shown in fig. 3, when the rotating plate 4 rotates to be arranged along the length direction of the moving element 3, the tip end 42 of the rotating plate 4 is located in the recessed area 33 of the corresponding side, the auxiliary spray arm 2 is perpendicular to the main spray arm 1, and at this time, the second end of the auxiliary spray arm 2 swings upward to the highest position. In order to realize the positioning of the rotary plate 4, the rotary plate 4 and the movable element 3 are both positioned on the main spray arm 1 and are provided with elastic clamping feet 43, the top surface of the main spray arm 1 is provided with a groove 12 which is sunken downwards, and when the rotary plate 4 is arranged along the length direction of the movable element 3, the free ends of the clamping feet 43 are arranged corresponding to the groove 12 and clamped into the groove 12.

As shown in fig. 2, the basket 6 is located in the washing chamber 50 in a state of being swung up to the uppermost position at the second end of the sub-shower arm 2, and the basket 6 is rested on the sub-shower arm 2. In order to reduce the friction between the storage basket and the auxiliary spray arm 2, the end face of the second end of the auxiliary spray arm 2 is provided with the ball 22, the bottom face of the storage basket 6 is provided with an annular groove 61 which is concave upwards and extends along the circumferential direction to allow the ball 22 to slide on the position corresponding to the ball 22, and the ball 22 is always positioned in the annular groove 61 when the main spray arm 1 is in a rotating state. In order to support the basket 6, the second end of the sub shower arm 2 has an end portion with an enlarged area, and the ball 22 is positioned at the end portion.

When tableware is washed, the rotary vane rotates to the position shown in fig. 6 and 7, the motor 71 is driven, the impeller assembly sucks water in the washing chamber 50 into the water collecting cavity 101 of the main spray arm 1 through the flow guide channel 511 of the fixed seat 51, then the water is ejected from the spray holes 1021, the main spray arm 1 is driven to rotate under the action of the water, and the rotation speed of the motor can be controlled in a variable mode; when the rotation speed of the motor 71 is increased, as shown in fig. 8, a large centrifugal force is generated at a high speed, at this time, the elastic force of the spring 35 is smaller than the outward centrifugal force of the movable element 3, the spring 35 is stretched, the tensile force of the spring 35 is increased, when the tensile force of the spring 35 is equal to the centrifugal force generated by the movable element 3, the movable element 3 does not move outward any more and remains at the position shown in fig. 4, and at this time, the centrifugal force generated by the movable element 3 sliding outward is equal to the tensile force of the spring on the movable element 3. The higher the motor 71 rotating speed is, the larger the centrifugal force is, the longer the spring 35 is stretched, the movable part 3 can be forced to move through the change of the rotating speed of the motor 71, the movable part 3 can drive the auxiliary spraying arm to rotate after moving, an angle is formed between the auxiliary spraying arm and the main spraying arm, the angle can also change along with the position change of the movable part 3, the jet flow on the auxiliary spraying arm 2 can change along with the change of the rotating angle of the auxiliary spraying arm 2, so that when the auxiliary spraying arm 2 rotates along with the main spraying arm in a circular mode, the jet flow on the water outlet hole can jet water flows at different angles, the multi-angle omnidirectional washing is realized, and the effective washing coverage area is greatly improved.

When the inner side wall of the washing chamber is cleaned, the rotary vane 4 rotates to the position shown in fig. 3, at the moment, the auxiliary spraying arm 2 and the main spraying arm 1 form a right angle, and the water outlet hole 201 of the auxiliary spraying arm 2 can flush the inner side surface of the washing chamber from the front side. When the main spray arm 1 and the auxiliary spray arm 2 do circular motion, the water flow on the auxiliary spray arm 2 can wash the whole inner side surface of the washing chamber 50, and the washing of the bottom surface and the inner side surface of the washing chamber 50 is realized by combining the water flow washing of the bottom driving hole 106.

When fruits and vegetables are cleaned, the rotary vane 4 is rotated to the position shown in fig. 2 to fig. 3, the auxiliary spray arm 2 and the main spray arm form a right angle, the end face of the second end of the auxiliary spray arm 2 is provided with a ball 22, the storage basket 6 is placed on the auxiliary spray arm 2, the auxiliary spray arm 2 supports the storage basket 6, the ball 22 on the auxiliary spray arm 2 and the annular groove 61 at the bottom of the storage basket 6, when the auxiliary spray arm 2 makes circular motion, the ball 22 on the auxiliary spray arm 2 rolls, friction can be greatly reduced, and the spray holes 1021 on the main spray arm 1 can clean the fruits and vegetables in the storage basket.

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 parts and elements of the present invention, but these terms are used herein for convenience of description only and are determined based on 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 (18)

1. A spray assembly for a cleaning machine comprising:

a mounting seat (51) used for being fixed relative to the cleaning machine;

the main spray arm (1) is rotatably arranged on the mounting seat (51), a main flow channel (10) is formed in the main spray arm, a water inlet channel communicated with the main flow channel (10) is formed in the main spray arm, and at least a top wall plate of the main spray arm is provided with a spray hole (1021);

the auxiliary spray arm (2) is internally provided with a sub-runner (20) communicated with the main runner (10) and is provided with a water outlet hole (201) communicated with the sub-runner (20);

the first end of the secondary spray arm (2) is rotatably arranged on the side wall of the main spray arm (1) and is provided with a sliding piece (23) extending along the rotation axis of the main spray arm; the spraying device also comprises:

the movable piece (3) is arranged to move back and forth along the length direction of the main spray arm (1), a sliding groove (311) which extends along the vertical direction and is used for the sliding of the sliding piece (23) is formed in the movable piece (3), and the second end of the auxiliary spray arm (2) is driven to swing up and down relative to the main spray arm (1) when the movable piece (3) moves back and forth.

2. The spray assembly of claim 1, wherein: install the elastic component on moving part (3), the stiff end of elastic component is installed on main spray arm (1), and this elastic component is in main spray arm (1) makes moving part (3) have all the time along the length direction of main spray arm (1) towards being close to under the pivoted state the trend that the stiff end of elastic component removed.

3. The spray device of claim 2, wherein: the top wall plate of the main spray arm (1) is provided with a fixing part (11), the elastic part and the moving part (3) are both positioned on the main spray arm (1), and the fixed end of the elastic part is connected with the fixing part (11).

4. The spray device of claim 1, wherein: the movable piece (3) extends along the length direction of the main spray arm (1) and is provided with a connecting plate (31) extending upwards, and the sliding groove (311) is formed in the connecting plate (31).

5. The spray device of claim 1, wherein: the auxiliary spraying arm (2) faces the first wall plate (21) of the main spraying arm (1) and is provided with a water inlet (211), the main spraying arm (1) is provided with an outlet (105) which is communicated with the water inlet (211) and the main flow channel (10) at a position corresponding to the water inlet (211), and a clamping hook (212) which penetrates through the outlet (105) and restrains the side wall of the outlet (105) of the main spraying arm (1) on the first wall plate (21) of the auxiliary spraying arm (2) is arranged on the peripheral side of the water inlet (211).

6. The spray assembly of claim 1, wherein: the movable piece (3) is located on the main spray arm (1), a guide groove (32) extending along the moving direction of the movable piece (3) is formed in the movable piece (3), the spray holes (1021) are formed in positions corresponding to the guide groove (32), and a blocking piece (14) which is located in the guide groove (32) and slides relative to the guide groove (32) is arranged on the top surface of the main spray arm (1).

7. The spray device of claim 1, wherein: mainstream say (10) extend along the length direction of main spray arm (1), and including being located water collection chamber (101) of neighbouring central point position and being located water collection chamber (101) both sides rivers passageway (102), spray hole (1021) and set up on the position that corresponds rivers passageway (102), the inlet channel is set up main spray arm (1) bottom and correspond on the position of water collection chamber (101).

8. The spray device of claim 1, wherein: the main spray arm (1) is provided with a rotary vane (4) which can rotate relative to the main spray arm (1) to position the auxiliary spray arm (2), the rotary vane (4) rotates to a position arranged along the length direction of the moving part (3), the free end of the rotary vane (4) is abutted to the first end of the moving part (3), and the auxiliary spray arm (2) is vertically arranged.

9. The spray device of claim 8, wherein: the terminal surface of the first end of moving part (3) has inside sunken depressed area (33), the free end of spinning piece (4) is most advanced outside V-arrangement the spinning piece (4) be in along under the state that the length direction of moving part (3) arranged, the tip portion (42) of spinning piece (4) are located in depressed area (33).

10. The spray device of claim 8, wherein: spinning disc (4) and moving part (3) all are located on main spray arm (1), and this spinning disc (4) are equipped with and have elastic card foot (43), the top surface of main spray arm (1) has recess (12) of undercut the spinning disc (4) when arranging along the length direction of moving part (3), the free end of card foot (43) corresponds recess (12) and arranges and block into in this recess (12).

11. The spray device of claim 8, wherein: and under the condition that the rotary plate (4) is arranged along the length direction of the movable piece (3), the auxiliary spray arm (2) is vertical to the main spray arm (1).

12. The spray device of claim 8, wherein: two sets of the auxiliary spray arms (2) and the movable pieces (3) are arranged, a fixing piece (11) is arranged at the position, close to the center, of the main spray arm (1), the fixing piece (11) is located between the two movable pieces (3), and the position, close to the center, of the rotary piece (4) is rotatably arranged on the fixing piece (11).

13. The spraying device according to any one of claims 1 to 11, wherein: two side walls of the main spray arm (1) arranged along the rotation direction are first side walls (1a), and the auxiliary spray arm (2) is arranged on one of the first side walls (1 a).

14. The spray device of claim 13, wherein: the auxiliary spray arms (2) and the movable pieces (3) are arranged in two groups and are arranged along the length direction of the main spray arm (1), and the main spray arm (1) is positioned between the two auxiliary spray arms (2) along the rotation direction of the main spray arm (1).

15. The spray device of claim 13, wherein: the second end of the auxiliary spray arm (2) is in an upward swinging state, the water outlet hole (201) is located on the outer wall surface of the auxiliary spray arm (2), and the second end of the auxiliary spray arm (2) is in a downward swinging state, and the water outlet hole (201) is located on the top wall surface of the auxiliary spray arm (2).

16. A cleaning machine having the shower apparatus of any one of claims 1 to 15, characterized in that: the washing device comprises a washing box (5) with a washing chamber (50), wherein a mounting seat (51) is fixed on the position, close to the bottom, of the washing chamber (50), and the position, close to the center, of the bottom of a main spraying arm (1) is rotatably arranged on the upper portion of the mounting seat (51).

17. The cleaning machine of claim 16, wherein: a storage basket (6) is arranged in the washing chamber (50), and the storage basket (6) is placed on the auxiliary spraying arm (2) when the second end of the auxiliary spraying arm (2) swings upwards to the highest position.

18. The cleaning machine of claim 17, wherein: the end face of the second end of the auxiliary spray arm (2) is provided with a ball (22), the bottom face of the storage basket (6) is provided with an annular groove (61) which is upwards recessed and extends along the circumferential direction to enable the ball (22) to slide at a position corresponding to the ball (22), and the ball (22) is always located in the annular groove (61) when the main spray arm (1) is in a rotating state.

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