CN110856645A

CN110856645A - Spray arm and cleaning machine with same

Info

Publication number: CN110856645A
Application number: CN201810975817.9A
Authority: CN
Inventors: 丁小伟
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2018-08-24
Filing date: 2018-08-24
Publication date: 2020-03-03

Abstract

The invention relates to a spray arm, which comprises a spray arm body, wherein the interior of the spray arm body is hollow so as to form a water collecting cavity, a water inlet is formed in a first wall surface of the spray arm body, and a water outlet communicated with the water collecting cavity is formed in a second wall surface of the spray arm body, and the spray arm is characterized in that: the first wall surface of the spray arm body is also provided with a water outlet for spraying water flow, and the water outlet is internally provided with a deflection piece which can deflect relative to the water outlet so as to ensure that the water flow is obliquely sprayed along the circumferential direction of the spray arm body. The wall surface of the spraying arm is provided with the water outlet, the wall surface is the same as the water inlet of the spraying arm, the water outlet is provided with the deflection piece which can deflect relative to the water outlet so as to lead the water flow to be obliquely sprayed out along the circumferential direction of the spraying arm body, and the obliquely sprayed water flow can circumferentially sweep the food residues in the rotating process of the spraying arm, so that the food residues are swept into the residue basket positioned on the periphery of the rotating axis of the spraying arm, and a better residue sweeping effect is realized.

Description

Spray arm and cleaning machine with same

Technical Field

The invention relates to a spray arm and a cleaning machine with the same.

Background

With the increasing living standard of people, the dish washing machine is used as a kitchen household appliance and is more and more introduced into families. The dish-washing machines on the market at present are generally divided into a table type dish-washing machine, a cabinet type dish-washing machine and a trough type dish-washing machine, wherein the table type dish-washing machine is an integral independent structure and is generally placed on a table top for use; the cabinet type dish washing machine is also an independent structure, but needs to be embedded into a kitchen cabinet for use; the sink dishwasher is combined with a sink and is generally installed in a kitchen cabinet for use.

For a water tank type cleaning machine, a slag basket is generally not arranged at the position of a rotating shaft of a spray arm but arranged near the periphery of the rotating shaft of the spray arm, however, the slag sweeping structure on the spray arm at present is mainly characterized in that a water spraying hole is formed in the lower wall surface at one end of the spray arm, the water spraying hole enables water to flow in the direction corresponding to the rotating shaft of the spray arm, and food residues at the bottom of a water tank can be continuously collected in the direction of the rotating shaft of the spray arm in the rotating process of the spray arm. The structure has the problem that although the slag collecting function is realized, food residues on the tank body and the filter screen plate can only be collected near the rotating shaft of the spray arm, the residues cannot be completely swept into the slag basket, and the slag sweeping effect is poor.

Therefore, further improvements are to be made to the current spray arm configuration.

Disclosure of Invention

The invention aims to solve the technical problem of providing a spray arm which can collect and sweep food residues into a residue basket so as to improve the residue sweeping effect in view of the current situation of the prior art.

Another technical problem to be solved by the invention is to provide a cleaning machine with the spray arm, which can be matched with the rotation process of the spray arm to circumferentially sweep slag so as to sweep food residues into a slag basket to improve the cleaning effect, aiming at the current situation of the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a spray arm, includes the spray arm body, thereby this spray arm body inside cavity forms the chamber that catchments, the water inlet has been seted up on the first wall of spray arm body, set up the apopore that communicates mutually with the chamber that catchments on the second wall of spray arm body, its characterized in that: the first wall surface of the spray arm body is also provided with a water outlet for spraying water flow, and the water outlet is internally provided with a deflection piece which can deflect relative to the water outlet so as to ensure that the water flow is obliquely sprayed along the circumferential direction of the spray arm body.

In the above scheme, the deflection piece at least comprises a first blocking piece and a second blocking piece, the first end of the first blocking piece is connected with the first end of the second blocking piece, the second end of the first blocking piece and the second end of the second blocking piece are gradually far away from each other to form a V-shaped structure, and the first blocking piece and the second blocking piece are movably arranged in the water outlet and can be respectively matched with the edges of the water outlet close to each other to determine the direction of inclined spraying of water flow. Adopt such structure to realize the regulation of rivers slope blowout direction, and when the deflection direction of first separation blade, second separation blade was opposite, rivers slope blowout direction was also opposite, thereby realized sweeping the two-way of sediment and gone on, made the food waste in whole circumference can both be swept into the sediment basket.

Preferably, the side part of the deflection piece is provided with an elastic piece which can enable the first blocking piece of the deflection piece to be always kept close to the corresponding water outlet edge and the second blocking piece to be always kept far away from the corresponding water outlet edge to form a trend of water outlet gaps. The structure can realize slag sweeping in one direction.

Preferably, the deflection piece is connected with a driving structure which can overcome the elasticity of the elastic piece so as to enable the second blocking piece and the corresponding water outlet edge to be close to each other and the first blocking piece and the corresponding water outlet edge to be far away from each other and form a water outlet gap. The slag of sweeping of another direction can be realized to this structure to cooperate jointly with the slag of sweeping of above-mentioned direction, sweep the sediment to whole region below the spray arm is reciprocal, sweep food waste into the sediment basket fast.

In order to facilitate assembly, a connecting part extending from the middle part of the V-shaped structure to the direction opposite to the opening is arranged on the deflection piece, the connecting part and the V-shaped structure form a Y-shaped structure together, a connecting shaft arranged along the length direction is arranged on the connecting part, and the connecting shaft can be arranged above the water outlet in a circumferential rotating mode and is connected with the driving structure.

In order to facilitate installation, the inner wall surface of the spray arm body above the water outlet is provided with supports respectively positioned at two ends of the water outlet, and the supports are provided with shaft holes for the connecting shaft to be rotatably clamped in.

For the convenience of installation, be provided with the first spacing post that vertical connection axle axial was arranged on the connecting portion, it is corresponding, be provided with the spacing post of second that corresponds first spacing post and arrange on the spray arm body inner wall, the elastic component for the tip cover put the spring on first spacing post, the spacing post of second respectively.

Preferably, the water outlet is square, and in an assembled state, two ends of the first blocking piece and two ends of the second blocking piece are respectively close to two ends of the water outlet. The structure can prevent water flow from flowing out from two ends of the water outlet to influence the slag sweeping effect.

As an improvement, the spray arm body extends from the middle part to two ends to form a first flow channel and a second flow channel, the water outlet is arranged in the middle part of the first flow channel, and a water spray opening capable of spraying water flow in a direction inclined to the rotating axis of the spray arm body is formed in the bottom wall of the second flow channel. By adopting the structure, the slag can be swept in the circumferential direction at the water outlet, and the slag sweeping effect can be improved by combining the radial slag sweeping function of the water spray nozzle.

Preferably, the water spray opening is arranged near the end of the second flow channel, a guide groove which is gradually deepened outwards along the radial direction is formed on the bottom wall of the spray arm body, and the water spray opening is formed on the outer end wall of the guide groove. The outer end wall of the guide groove is gradually inclined towards the rotating axis of the spray arm body from bottom to top. The structure is favorable for leading the water sprayed by the water spray nozzle to collect the slag from outside to inside along the radial direction in a scraping and propelling mode, and the slag collecting effect is improved.

The utility model provides an use cleaning machine that has above-mentioned spray arm, includes the basin body, filters otter board, motor element and the spray arm, the inside cavity of basin body forms the washing chamber, filter the otter board and locate the lower part in washing chamber and install the sediment basket, the spray arm can locate in the washing chamber and be located the top of filtering the otter board with rotating, motor element locates basin body below and the water inlet normal running fit of upper portion and spray arm bottom, its characterized in that: the spray arm is provided with a connecting rod which can be matched with the upper end of the motor component so as to drive the deflection piece to deviate or not.

Preferably, a convex ring arranged along the circumferential direction is arranged in a partial area of the top edge of the motor assembly, a first end of the connecting rod can be in sliding fit with the convex ring, a second end of the connecting rod is connected with the deflection piece, a rotating shaft rotationally connected with the middle part of the connecting rod is arranged on the inner bottom wall of the spray arm body, the spray arm rotates until the first end of the connecting rod abuts against the convex ring and is in sliding fit with the convex ring, the second blocking piece and the corresponding water outlet edge are close to each other, and the first blocking piece and the corresponding water outlet edge are far away from each other to form a water outlet gap; when the spray arm rotates to the state that the first end of the connecting rod leaves the convex ring, the first blocking piece and the corresponding water outlet edge are close to each other, and the second blocking piece and the corresponding water outlet edge are far away from each other to form a water outlet gap. Above-mentioned structure can sweep the sediment direction according to the rotation of spray arm and switch over in two to improve and sweep the sediment effect.

In order to facilitate the matching of the connecting rod and the motor component, the first end of the connecting rod is perpendicular to the connecting rod main body part and is bent towards the motor component to enable the connecting rod to form an L-shaped structure, and a shifting fork which can be matched with the outer edge of the convex ring in a guiding mode is arranged at the first end of the connecting rod. The end part of the shifting fork is formed into an arc structure which gradually arches towards the rotating direction of the spraying arm, and correspondingly, the end part of the convex ring is formed with an arc surface which gradually and smoothly transits along the circumferential direction. A throat part which is arranged close to the water inlet is formed in the water collecting cavity of the spraying arm, and a matching groove which can be matched with the throat part so as to avoid the interference between the first end of the connecting rod and the motor component is formed at the bent part of the L-shaped structure of the connecting rod.

Preferably, the raised ring covers one third to one half of the upper end edge of the motor assembly. The covering range of the convex ring determines the duration time of one corresponding slag sweeping direction, and the slag sweeping time in the two directions is homogenized as much as possible, so that the slag sweeping effect is improved.

In order to facilitate connection, one end of the deflection piece, which is close to the connecting rod, is provided with a vertically arranged clamping pin, and correspondingly, the second end of the connecting rod is provided with a clamping opening which can rotationally clamp the clamping pin.

Compared with the prior art, the invention has the advantages that: the wall surface of the spraying arm is provided with the water outlet, the wall surface is the same as the water inlet of the spraying arm, the water outlet is provided with the deflection piece which can deflect relative to the water outlet so as to lead the water flow to be obliquely sprayed out along the circumferential direction of the spraying arm body, and the obliquely sprayed water flow can circumferentially sweep the food residues in the rotating process of the spraying arm, so that the food residues are swept into the residue basket positioned on the periphery of the rotating axis of the spraying arm, and a better residue sweeping effect is realized.

Drawings

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

FIG. 2 is a schematic view of a portion of the structure of FIG. 1;

FIG. 3 is a schematic view of a partial structure of a spray arm body according to an embodiment of the present invention;

FIG. 4 is a schematic view of the structure of FIG. 3 from another angle;

FIG. 5 is a schematic view of a portion of the structure of FIG. 2;

FIG. 6 is a schematic view of a deflector according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a connecting rod according to an embodiment of the present invention.

Detailed Description

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

As shown in fig. 1 to 7, the spray arm of the present embodiment includes a spray arm body 1, the spray arm body 1 is hollow to form a water collection cavity 10, the spray arm body 1 extends from the middle to two ends to form a first flow channel 101 and a second flow channel 102 respectively communicated with the water collection cavity 10, a throat portion 103 of the spray arm body 1 is formed at a connection portion of the water collection cavity 10 with the first flow channel 101 and the second flow channel 102, a water inlet 11 communicated with the water collection cavity 10 is opened at a central portion of a lower wall surface of the spray arm body 1, and a plurality of water outlets 12 respectively communicated with the first flow channel 101 and the second flow channel 102 are arranged at intervals on an upper wall surface of the spray arm body 1.

The lower wall surface of the spray arm body 1 of the embodiment is provided with a water outlet 13 for spraying water flow corresponding to the middle position of the first flow channel 101, and the water outlet 13 is internally provided with a deflection piece 2 which can deflect relative to the water outlet 13 so as to enable the water flow to be obliquely sprayed along the circumferential direction of the spray arm body 1. The lower wall surface of the spray arm body 1 is further provided with a water jet 14 arranged corresponding to the end position of the second flow channel 102, and the water jet 14 can spray water flow obliquely towards the rotation axis direction of the spray arm body 1. The main function of the water outlet 13 is to sweep the slag along the circumferential direction of the rotation direction of the spray arm body 1, and the main function of the water jet 14 is to sweep the slag along the radial direction of the spray arm body 1, so that the slag sweeping effect is improved. The bottom wall of the spray arm body 1 is formed with a guide groove 141 which is gradually deepened outwards along the radial direction, the outer end wall of the guide groove 141 is gradually inclined towards the rotating axis of the spray arm body 1 from bottom to top, and the water spray opening 14 is arranged on the outer end wall of the guide groove 141.

The cleaning machine that has above-mentioned spray arm applied in this embodiment includes basin body 3, filter screen 4, motor element 5 and spray arm, 3 inside hollows of basin body form washing chamber 30, filter screen 4 locates the lower part of washing chamber 30 and installs sediment basket 6, the spray arm can locate washing chamber 30 and lie in the top of filter screen 4 with rotating, motor element 5 locates basin body 3 below and upper portion and passes basin body 3, filter screen 4 and the water inlet 11 normal running fit of spray arm body 1 bottom, thereby it can take place the skew drive structure whether with motor element 5's upper end mutually supported drive deflection piece 2 to be provided with in the spray arm body 1, this drive structure is a connecting rod 7.

Specifically, the deflection member 2 at least comprises a first blocking piece 21 and a second blocking piece 22, the first end of the first blocking piece 21 is connected with the first end of the second blocking piece 22, the second end of the first blocking piece 21 is gradually far away from the second end of the second blocking piece 22 to form a V-shaped structure, and the first blocking piece 21 and the second blocking piece 22 are movably arranged in the water outlet 13 and can be respectively matched with the edge of the water outlet 13 close to each other to determine the direction of inclined spraying of water flow. By adopting the structure, the direction of the oblique water flow spraying is adjusted, and when the deflection direction of the deflection piece 2 is opposite, the direction of the oblique water flow spraying is also opposite, so that the two-way slag sweeping is realized, and food residues in the whole circumferential direction can be swept into the slag basket 6. The side part of the deflection piece 2 is provided with an elastic piece 8 which can enable the first blocking piece 21 of the deflection piece 2 to always keep close to the edge of the corresponding water outlet 13 and the second blocking piece 22 to always keep far away from the edge of the corresponding water outlet 13 and form the trend of a water outlet gap, and the structure can realize slag sweeping in one direction. The deflecting piece 2 is connected with a driving structure which can overcome the elasticity of the elastic piece 8 so as to enable the second blocking piece 22 and the corresponding water outlet 13 edge to be close to each other and the first blocking piece 21 and the corresponding water outlet 13 edge to be far away from each other and form a water outlet gap, and the driving structure is the connecting rod 7. The slag of sweeping of another direction can be realized to this structure to cooperate jointly with the slag of sweeping of above-mentioned direction, sweep the sediment to whole region below the spray arm is reciprocal, sweep food waste into the sediment basket fast. The water outlet 13 of the embodiment is square, and in the state of being assembled, the two ends of the first blocking piece 21 and the second blocking piece 22 are respectively close to the two ends of the water outlet 13, so that the structure can prevent water from flowing out from the two ends of the water outlet to influence the slag sweeping effect.

For the convenience of assembly, the deflecting piece 2 is provided with a connecting part 23 extending from the middle part of the V-shaped structure to the direction opposite to the opening, the connecting part 23 and the V-shaped structure form a Y-shaped structure together, the connecting part 23 is provided with a connecting shaft 24 arranged along the length direction, and the connecting shaft 24 is arranged above the water outlet 13 in a circumferential rotation manner and is connected with the connecting rod 7. The inner wall surface of the spray arm body 1 above the water outlet 13 is provided with a bracket 131 respectively positioned at two ends of the water outlet 13, and the bracket 131 is provided with a shaft hole 132 for the connecting shaft 24 to be rotatably clamped therein. The connecting portion 23 is provided with a first limiting column 231 axially arranged perpendicular to the connecting shaft 24, correspondingly, the inner wall of the spray arm body 1 is provided with a second limiting column 100 arranged corresponding to the first limiting column 231, and the elastic member 8 is a spring with an end portion sleeved on the first limiting column 231 and the second limiting column 100 respectively.

In this embodiment, a part of the top edge of the motor assembly 5 has a protruding ring 51 arranged along the circumferential direction, a first end of the connecting rod 7 can be slidably engaged with the protruding ring 51, a vertically arranged clamping foot 241 is arranged at one end of the connecting shaft 24 of the deflecting member 2 close to the connecting rod 7, and correspondingly, a clamping opening 70 capable of rotatably clamping the clamping foot 241 therein is formed at a second end of the connecting rod 7. A rotating shaft 15 which is rotatably connected with the middle part of the connecting rod 7 is arranged on the inner bottom wall of the spray arm body 1, the spray arm rotates until the first end of the connecting rod 7 is abutted against the outer peripheral wall of the convex ring 51 and is in sliding fit with the outer peripheral wall, the second baffle 22 is close to the edge of the corresponding water outlet 13, and the first baffle 21 is far away from the edge of the corresponding water outlet 13 to form a water outlet gap; when the spray arm rotates to the state that the first end of the connecting rod 7 leaves the convex ring 51, the first baffle 21 and the edge of the corresponding water outlet 13 are close to each other, and the second baffle 22 and the edge of the corresponding water outlet 13 are far away from each other to form a water outlet gap. Above-mentioned structure can sweep the sediment direction according to the rotation of spray arm and switch over in two to improve and sweep the sediment effect. The collar 51 of the present embodiment covers one third to one half of the upper end edge of the motor assembly 5. The covering range of the convex ring 51 determines the duration time of one corresponding slag sweeping direction, and the slag sweeping time in the two directions is homogenized as much as possible, so that the slag sweeping effect is improved.

In order to facilitate the matching of the connecting rod 7 and the motor component 5, the first end of the connecting rod 7 is perpendicular to the main part of the connecting rod 7 and is bent towards the motor component 5, so that the connecting rod 7 forms an L-shaped structure, and a shifting fork 71 which can be in guiding fit with the outer edge of the convex ring 51 is arranged at the first end of the connecting rod 7. The end of the shifting fork 71 is shaped into an arc-shaped structure 711 gradually arched towards the rotation direction of the spray arm, and correspondingly, the end of the convex ring 51 is formed with an arc surface 511 gradually smoothly transited along the circumferential direction. A throat part 103 arranged close to the water inlet 11 is formed in the water collecting cavity 10 of the spray arm, and a matching groove 72 which can be matched and abutted with the throat part 103 so as to avoid the interference between the first end of the connecting rod 7 and the motor component 5 is formed at the bent part of the L-shaped structure of the connecting rod 7.

When the cleaning machine of the embodiment is used, the water spray port 14 always collects food residues from outside to inside along the radial direction, when the spray arm rotates until the shifting fork 71 at the first end of the connecting rod 7 abuts against the periphery of the convex ring 5 at the upper end of the motor component 5, the connecting rod 7 enables the deflection piece 2 to compress the elastic piece 8, so that the second baffle 22 abuts against the corresponding edge of the water outlet 13, a water outlet gap is formed between the first baffle 21 and the corresponding edge of the water outlet 13, slag is swept in the circumferential direction from one direction, when the spray arm rotates until the shifting fork 71 at the first end of the connecting rod 7 is separated from the convex ring 5 at the upper end of the motor component 5, the abutting action of the connecting rod 7 on the elastic piece 8 disappears, the deflection piece 2 resets under the action of the elastic piece 8, so that the first baffle 21 abuts against the corresponding edge of the water outlet 13, a water outlet gap is formed between the second baffle 22 and the corresponding edge of the water outlet 13, slag is, sweeping food waste into the basket 6.

Claims

1. The utility model provides a spray arm, includes spray arm body (1), thereby this spray arm body (1) inside cavity forms chamber (10) that catchments, set up water inlet (11) that are linked together with chamber (10) that catchments on the first wall of spray arm body (1), set up apopore (12) that communicate mutually with chamber (10) that catchments on the second wall of spray arm body (1), its characterized in that: the spray arm comprises a spray arm body (1), and is characterized in that a first wall surface of the spray arm body (1) is also provided with a water outlet (13) for spraying water flow, and a deflection piece (2) which can deflect relative to the water outlet (13) so as to enable the water flow to be sprayed obliquely along the circumferential direction of the spray arm body (1) is arranged in the water outlet (13).

2. The spray arm of claim 1, wherein: the deflection piece (2) is at least including first separation blade (21), second separation blade (22), the first end interconnect of first separation blade (21) and first end interconnect of second separation blade (22), thereby the second end of first separation blade (21) is kept away from gradually with the second end of second separation blade (22) and is constituted V-arrangement structure, thereby first separation blade (21), second separation blade (22) all activity are located in delivery port (13) and can be mutually supported in order to confirm rivers slope spun direction with delivery port (13) edge that is close to mutually respectively.

3. The spray arm of claim 2, wherein: the side part of the deflection piece (2) is provided with an elastic piece (8) which can enable a first blocking piece (21) of the deflection piece (2) to be always close to the edge of the corresponding water outlet (13) and enable a second blocking piece (22) to be always far away from the edge of the corresponding water outlet (13) to form a trend of water outlet gap.

4. The spray arm of claim 3, wherein: the deflection piece (2) is connected with a driving structure which can overcome the elasticity of the elastic piece (8) so as to enable the second blocking piece (22) and the corresponding water outlet (13) to be close to each other, and enable the first blocking piece (21) and the corresponding water outlet (13) to be far away from each other and form a water outlet gap.

5. The spray arm of claim 4, wherein: the deflection piece (2) is provided with a connecting part (23) extending from the middle part of the V-shaped structure to the direction opposite to the opening, the connecting part (23) and the V-shaped structure jointly form a Y-shaped structure, the connecting part (23) is provided with a connecting shaft (24) arranged along the length direction, and the connecting shaft (24) can be circumferentially and rotatably arranged above the water outlet (13) and is connected with the driving structure.

6. The spray arm of claim 5, wherein: the inner wall surface of the spray arm body (1) above the water outlet (13) is provided with supports (131) respectively positioned at two ends of the water outlet (13), and the supports (131) are provided with shaft holes (132) for the connecting shaft (24) to be rotatably clamped in.

7. The spray arm of claim 5, wherein: the spray arm is characterized in that a first limiting column (231) which is axially arranged by a vertical connecting shaft (24) is arranged on the connecting portion (23), correspondingly, a second limiting column (100) which is arranged by corresponding to the first limiting column (231) is arranged on the inner wall of the spray arm body (1), and the end portion of the elastic piece (8) is sleeved with a spring on the first limiting column (231) and the second limiting column (100) respectively.

8. The spray arm according to any one of claims 2 to 7, wherein: the water outlet (13) is square, and the two ends of the first blocking piece (21) and the second blocking piece (22) are respectively close to the two ends of the water outlet (13) in the assembled state.

9. The spray arm according to any one of claims 1 to 7, wherein: the spray arm body (1) extends from the middle part to the two ends to form a first flow channel (101) and a second flow channel (102), the water outlet (13) is formed in the middle part of the first flow channel (101), and the bottom wall of the second flow channel (102) is provided with a water spray opening (14) capable of spraying water flow in the direction of the rotating axis of the spray arm body (1) in an inclined mode.

10. The spray arm of claim 9, wherein: the water spray opening (14) is arranged close to the end part of the second flow channel (102), a guide groove (141) which is gradually deepened outwards along the radial direction is formed on the bottom wall of the spray arm body (1), and the water spray opening (14) is arranged on the outer end wall of the guide groove (141).

11. The spray arm of claim 10, wherein: the outer end wall of the guide groove (141) is gradually inclined towards the rotating axis of the spray arm body (1) from bottom to top.

12. A cleaning machine with the spray arm of any one of claims 2-11 applied thereto, comprising a water tank body (3), a filter screen (4), a motor assembly (51) and the spray arm, wherein the water tank body (3) is hollow to form a washing chamber (30), the filter screen (4) is arranged at the lower part of the washing chamber (30) and is provided with a slag basket (6), the spray arm can be rotatably arranged in the washing chamber (30) and is positioned above the filter screen (4), the motor assembly (5) is arranged below the water tank body (3) and the upper part of the motor assembly is rotatably matched with a water inlet (11) at the bottom of the spray arm, and the cleaning machine is characterized in that: the spray arm is internally provided with a connecting rod (7) which can be mutually matched with the upper end of the motor component (5) so as to drive the deflection piece (2) to deviate or not.

13. The cleaning machine of claim 12, wherein: the top edge of the motor component (5) is provided with a convex ring (51) arranged along the circumferential direction in a partial area, the first end of the connecting rod (7) can be in sliding fit with the convex ring (51), the second end of the connecting rod (7) is connected with the deflection piece (2), a rotating shaft (15) rotationally connected with the middle part of the connecting rod (7) is arranged on the inner bottom wall of the spray arm body (1), the spray arm rotates to the state that the first end of the connecting rod (7) is abutted against the convex ring (51) and in sliding fit with the convex ring, the second blocking piece (22) is close to the edge of the corresponding water outlet (13), and the first blocking piece (21) is far away from the edge of the corresponding water outlet (13) to form a water outlet gap; when the spray arm rotates to the state that the first end of the connecting rod (7) leaves the convex ring (51), the first blocking piece (21) and the edge of the corresponding water outlet (13) are close to each other, and the second blocking piece (22) and the edge of the corresponding water outlet (13) are far away from each other to form a water outlet gap.

14. The cleaning machine of claim 13, wherein: perpendicular connecting rod (7) main part of first end of connecting rod (7) is buckled to motor element (5) and is made the connecting rod form L shape structure, be provided with on the first end of connecting rod (7) can with flange (51) outer fringe direction complex shift fork (71).

15. The cleaning machine of claim 14, wherein: the end part of the shifting fork (71) is formed into an arc-shaped structure (711) gradually arched towards the rotating direction of the spraying arm, and correspondingly, the end part of the convex ring (51) is formed with an arc surface (511) gradually and smoothly transited along the circumferential direction.

16. The cleaning machine of claim 14, wherein: a throat part (103) which is arranged close to the water inlet (11) is formed in the water collecting cavity (10) of the spraying arm, and a matching groove (72) which can be matched with the throat part (103) for limiting so as to avoid interference between the first end of the connecting rod (7) and the motor assembly (5) is formed in the bent part of the L-shaped structure of the connecting rod (7).

17. The cleaning machine of claim 13, wherein: the convex ring (51) covers one third to one half of the edge of the upper end of the motor component (5).

18. The cleaning machine of any one of claims 13-17, wherein: one end of the deflection piece (2) close to the connecting rod (7) is provided with a vertically arranged clamping foot (241), and correspondingly, the second end of the connecting rod (7) is provided with a clamping opening (70) which can clamp the clamping foot (241) in a rotating way.