CN116327070A

CN116327070A - Spraying device and dish washer

Info

Publication number: CN116327070A
Application number: CN202310550789.7A
Authority: CN
Inventors: 任富佳; 钟声; 马涛; 刘远航; 贺晓帆
Original assignee: Hangzhou Robam Appliances Co Ltd
Current assignee: Hangzhou Robam Appliances Co Ltd
Priority date: 2023-05-16
Filing date: 2023-05-16
Publication date: 2023-06-27

Abstract

The invention relates to the technical field of dish washers and discloses a spraying device and a dish washer, wherein the spraying device comprises a supporting component, a spraying component and a guiding component, the spraying component comprises a main body and at least one group of telescopic arms, the main body is rotatably arranged on the supporting component, the telescopic arms comprise fixed arms communicated with the main body and sliding arms connected with the fixed arms in a sliding manner, the main body, the fixed arms and the sliding arms are mutually communicated to form a runner, at least the sliding arms are provided with spraying holes communicated with the runner, the guiding component is arranged between the supporting component and the sliding arms, and the guiding component is used for guiding the sliding arms to move along a square track. The sliding arm of the spraying device can move along a square track under the guidance of the guide assembly so as to clean tableware at the top angle position of the cavity of the dish washer, avoid cleaning dead angles and improve cleaning effect.

Description

Spraying device and dish washer

Technical Field

The invention relates to the technical field of dish washers, in particular to a spraying device and a dish washer.

Background

A dishwasher is a device that sprays cold water or hot water to dishes to remove dirt adhered to the dishes to wash the dishes. In the existing dish washer products, the spraying mode of the spraying device is rotary spraying, and the spraying track of the spraying arm is circular. And because the inner chamber of current dish washer is mostly square, so the inner chamber of dish washer can produce the washing dead angle at four apex angle positions, and dish washer is relatively poor to the cleaning performance of the tableware that is in the dead angle position.

Disclosure of Invention

The invention aims to provide a spraying device and a dish washing machine, and solves the problem that the spraying track of the spraying device of the existing dish washing machine is round and the washing effect on tableware at dead angle positions is poor.

To achieve the purpose, the invention adopts the following technical scheme:

the invention provides a spray device, comprising:

a support assembly;

the spraying assembly comprises a main body and at least one group of telescopic arms, the main body is rotatably arranged on the supporting assembly, the telescopic arms comprise fixed arms communicated with the main body and sliding arms connected with the fixed arms in a sliding manner, the main body, the fixed arms and the sliding arms are mutually communicated to form a runner, and at least the sliding arms are provided with spraying holes communicated with the runner; a kind of electronic device with high-pressure air-conditioning system

The guide assembly is arranged between the support assembly and the sliding arm and used for guiding the sliding arm to move along a square track.

The spraying device comprises a supporting component, a spraying component and a guiding component, wherein the spraying component comprises at least one group of telescopic arms, each telescopic arm comprises a fixed arm and a sliding arm, the main body, the fixed arms and the sliding arms are mutually communicated to form a runner, at least spraying holes communicated with the runner are formed in the sliding arms, the sliding arms can move along square tracks under the guiding of the guiding component, so that tableware at the top angle position of a cavity of a dish washer is cleaned, cleaning dead angles are avoided, and cleaning effects are improved.

As a preferred aspect of the above spray device, the guide assembly includes:

the track pieces are arranged on the sliding arms respectively; a kind of electronic device with high-pressure air-conditioning system

The guide piece is arranged on the supporting component, a square guide track is arranged on the guide piece, and the guide piece is used for guiding the track piece to move along the guide track so as to drive the corresponding sliding arm to move along the square track.

The guide piece is provided with a square guide track to play a guiding role and is used for guiding the track piece to move along the guide track, so that the corresponding sliding arm is driven to move along the square track.

As a preferable mode of the spraying device, the guide piece is an external gear plate, and a plurality of gear teeth on the external gear plate form a square guide track;

the track piece is a track wheel, the track wheel is rotatably arranged on the sliding arm, and the track wheel is externally meshed with the external gear disc;

and a first elastic reset piece is arranged between the track wheel and the supporting component and used for driving the sliding arm to reset.

The plurality of gear teeth on the external gear plate form a square guide track, and the track wheel can be guided to move along the gear teeth of the external gear plate, so that the sliding arm is driven to move along the square track; the first elastic reset piece is used for driving the sliding arm to reset and preventing the track wheel from being separated from the external gear plate.

As a preferable mode of the spraying device, the guide piece is an internal gear plate, and a plurality of gear teeth on the internal gear plate form a square guide track;

the track piece is a track wheel, the track wheel is rotatably mounted on the sliding arm, and the track wheel is internally meshed with the internal gear disk.

The guide piece is an internal gear plate, a plurality of gear teeth on the internal gear plate form a square guide track, and the track wheel is internally meshed with the internal gear plate, so that the sliding arm can move along the square track; and the internal gear plate is internally meshed with the track wheel, so that the occupied space of the guide assembly is reduced.

As a preferable scheme of the spraying device, a second elastic reset piece is arranged between the track wheel and the supporting component and used for driving the sliding arm to reset.

The second elastic reset piece is used for driving the reset of the sliding arm, namely driving the sliding arm to retract into the fixed arm.

As a preferable mode of the spraying device, the track wheel further comprises:

the connecting part is rotationally connected with one end of the sliding arm; a kind of electronic device with high-pressure air-conditioning system

And the gear is connected to the other end of the connecting part, and the track wheel is meshed with the guide piece.

The gear can be conveniently installed through the connecting part, so that the gear can rotate relative to the sliding arm.

As a preferable mode of the spraying device, the guide piece is provided with a square slideway so as to form the guide track, and the track piece extends into the slideway and moves along the slideway.

The track piece can be guided by the square slideway on the guide piece, so that the track piece can drive the sliding arm to move along the square track.

As a preferable mode of the above spraying device, the track member includes:

a first bearing mounted to the sliding arm;

one end of the rotating shaft is arranged on the first bearing, and the rotating shaft can rotate relative to the sliding arm through the first bearing; a kind of electronic device with high-pressure air-conditioning system

The second bearing is arranged at the other end of the rotating shaft and is in rolling contact with the slideway.

The track piece is in rolling contact with the slideway through the second bearing, so that friction resistance between the guide piece and the track piece is reduced, and the track piece can run more smoothly.

As a preferable mode of the above spray device, the slide arm includes:

the sliding main body is provided with a plurality of spraying holes; a kind of electronic device with high-pressure air-conditioning system

And one end of the movable part is connected with the sliding main body, and the other end of the movable part is connected with the fixed arm in a sliding way so as to extend out of or retract into the fixed arm.

The sliding arm is in sliding connection with the fixed arm through the movable part so as to extend out of or retract into the fixed arm, thereby realizing the extension and shortening of the telescopic arm; spray water through a plurality of spray holes on the slip main part to wash the apex angle of cavity.

The invention also provides a dish washer which comprises the spraying device.

This dish washer can realize fully wasing the tableware of the apex angle position of the cavity of dish washer through foretell spray set, avoids appearing wasing the dead angle, improves the cleaning performance.

The invention has the beneficial effects that:

the spraying device comprises a supporting component, a spraying component and a guiding component, wherein the spraying component comprises at least one group of telescopic arms, each telescopic arm comprises a fixed arm and a sliding arm, a main body, the fixed arms and the sliding arms are mutually communicated to form a runner, at least the sliding arms are provided with spraying holes communicated with the runner, and the sliding arms can move along a square track under the guidance of the guiding component so as to clean tableware at the top angle position of a cavity of a dish washer, avoid the occurrence of cleaning dead angles and improve the cleaning effect.

According to the dish washer provided by the invention, the spraying device can be used for cleaning tableware at the top angle position of the cavity of the dish washer, so that the cleaning dead angle is avoided, and the cleaning effect is improved.

Drawings

Fig. 1 is a schematic view of a dishwasher according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a spraying device according to a first embodiment of the present invention;

fig. 3 is a schematic structural view of a telescopic arm of a spraying device according to a first embodiment of the present invention in an extended state;

fig. 4 is a schematic diagram of a first structure to be assembled of a spraying device according to a first embodiment of the present invention;

fig. 5 is a schematic diagram of a second structure to be assembled of the spraying device according to the first embodiment of the present invention;

FIG. 6 is an exploded view of a sprinkler system according to a first embodiment of the present invention;

FIG. 7 is a cross-sectional view of a spray device provided in accordance with a first embodiment of the present invention;

FIG. 8 is an enlarged partial schematic view at A in FIG. 7;

FIG. 9 is a schematic view of a sprinkler in different states according to a first embodiment of the present invention;

FIG. 10 is a schematic view of a sprinkler including a set of telescopic arms according to a first embodiment of the present invention;

FIG. 11 is a schematic view of a spray device according to a first embodiment of the present invention, including two sets of telescopic arms;

fig. 12 is a schematic structural view of a spray device according to a first embodiment of the present invention, including three telescopic arms;

fig. 13 is a schematic structural view of a spray device according to a first embodiment of the present invention, including four telescopic arms;

FIG. 14 is a schematic view of a spray device according to a first embodiment of the present invention, including a set of telescopic arms and a set of spray arms;

FIG. 15 is a schematic view of a spray device according to a first embodiment of the present invention, including a set of telescopic arms and three sets of spray arms;

fig. 16 is a schematic structural diagram of a spraying device according to a second embodiment of the present invention;

fig. 17 is a diagram of a spraying device to be assembled according to a second embodiment of the present invention;

fig. 18 is a schematic structural view of a spraying device according to a third embodiment of the present invention;

FIG. 19 is a cross-sectional view of a spray device provided in accordance with a third embodiment of the present invention;

fig. 20 is a partially enlarged schematic view at B in fig. 19.

In the figure:

100. a spraying device; 200. a chamber;

1. a support assembly; 11. a convex structure;

2. a spray assembly; 20. spraying holes; 21. a main body; 211. a main body connecting part; 212. a main body communication part; 2111. a clamping part;

22. a telescoping arm; 221. a fixed arm; 2211. a chute; 222. a sliding arm; 2221. a sliding body; 22211. a clamping hole;

2222. a movable part; 22221. a limit groove; 223. a seal ring; 23. a spray arm;

3. a guide assembly; 31. a guide member; 32. a track member; 321. a connection part; 322. a gear; 33. a first elastic restoring member; 34. a second elastic restoring member;

311. a slideway; 323. a first bearing; 324. a rotating shaft; 325. and a second bearing.

Detailed Description

The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.

In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

Embodiment one:

as shown in fig. 1, the dishwasher includes a chamber 200, a shower device 100 disposed in the chamber 200 and communicating with a water supply device (not shown), and a bowl (not shown) disposed in the chamber 200, wherein the bowl is disposed above the shower device 100, and dishes such as dishes disposed in the bowl are washed by the shower device 100. The inner cavity of the chamber 200 has a square structure, so that the spray device 100 has a better cleaning effect on the tableware at the vertex angle position of the square structure. As shown in fig. 1-9, the present embodiment provides a spraying device 100, which comprises a supporting component 1, a spraying component 2 and a guiding component 3, wherein the supporting component 1 is installed in a chamber 200, the spraying component 2 is rotatably installed on the supporting component 1, the spraying component 2 comprises a main body 21 and at least one group of telescopic arms 22, the main body 21 is rotatably arranged on the supporting component 1, a water inlet is arranged on the main body 21 and is communicated with a water supply device, and water enters the spraying component 2 through the water inlet. The telescopic arm 22 comprises a fixed arm 221 communicated with the main body 21 and a sliding arm 222 connected with the fixed arm 221 in a sliding manner, the main body 21, the fixed arm 221 and the sliding arm 222 are mutually communicated to form a runner, a spray hole 20 communicated with the runner is formed in at least the sliding arm 222, the guide assembly 3 is arranged between the support assembly 1 and the sliding arm 222, the spray assembly 2 rotates under the action of the force of spray water flow, the guide assembly 3 is used for guiding the sliding arm 222 to extend out of or retract into the fixed arm 221, and then the movable arm can move along a square track, tableware at the top angle position of the chamber 200 of the dish washer is cleaned through the spray hole 20, the cleaning dead angle is avoided, and the cleaning effect is improved.

Specifically, as shown in fig. 4 to 6, the main body 21 includes a main body connection portion 211 and a main body communication portion 212, the main body connection portion 211 is rotatably connected to the support assembly 1, one end of the main body connection portion 211 is provided with a water inlet, the other end is communicated with the main body communication portion 212, and a fixing arm 221 of the telescopic arm 22 is provided on the main body communication portion 212 and is communicated with the main body communication portion 212. The water enters the flow channel from the water inlet and is sprayed out through the spraying holes 20, and the acting force of the water sprayed out of the spraying holes 20 can enable the spraying assembly 2 to rotate relative to the supporting assembly 1.

Further, as shown in fig. 7 and 8, the main body connecting portion 211 has a structure that two ends are penetrated, one end of the main body connecting portion 211 is a water inlet, and the other end of the main body connecting portion 211 is communicated with the main body communicating portion 212. The outer diameter of the body connection part 211 is gradually increased from one end provided with the water inlet to the other end, so that the body connection part 211 is easily installed in the support assembly 1. The main body connecting portion 211 is provided with the clamping portion 2111, the clamping portion 2111 is an annular protrusion arranged on the outer surface of the main body connecting portion 211, the supporting component 1 is provided with a mounting hole, the inner wall of the mounting hole is provided with the clamping convex structure 11, the main body connecting portion 211 stretches into the mounting hole, the clamping portion 2111 is matched with the clamping convex structure 11 in a clamping manner, the main body 21 can be prevented from being separated from the supporting component 1, and the rotation of the main body 21 relative to the supporting component 1 cannot be influenced. The rotational connection between the main body connection portion 211 and the support member 1 is not limited to the above connection method, and may be any connection that can be achieved.

As shown in fig. 7, a sliding groove 2211 is formed in the inner side of the fixed arm 221, the sliding arm 222 is slidably disposed in the sliding groove 2211, the sliding groove 2211 guides the sliding arm 222 to stretch out and draw back from the fixed arm 221 by moving along the sliding groove 2211, so that the telescopic arm 22 can automatically adjust the stretching length according to the square track, and the sliding arm can move along the square track.

Further, as shown in fig. 5 to 7, the sliding arm 222 includes a sliding body 2221 and a movable portion 2222, the sliding body 2221 is provided with a plurality of spray holes 20 at intervals along a length direction thereof, and the number, size and inclination angle of the spray holes 20 may be set according to the need to enhance the washing effect. One end of the movable portion 2222 is connected to the sliding body 2221, and the other end thereof is slidably connected to the slide groove 2211 to extend from or retract into the fixed arm 221. The sliding arm 222 is slidably connected to the fixed arm 221 through the movable portion 2222, and sprays water through the spray holes 20 on the sliding body 2221, so that the top corner position of the chamber 200 can be cleaned, and the cleaning effect is improved.

Optionally, as shown in fig. 5 and 6, a limiting groove 22221 is disposed at one end of the movable portion 2222 slidably connected to the fixed arm 221, a sealing ring 223 is disposed in the limiting groove 22221, the limiting groove 22221 is used for limiting the sealing ring 223, and the sealing ring 223 seals a gap between the sliding arm 222 and the fixed arm 221, so as to prevent water from flowing out from the gap. Preferably, the sealing ring 223 is made of soft material, and the sealing ring 223 can be made of rubber material, so that the sealing ring has certain elasticity and can achieve a good sealing effect.

As shown in fig. 3-6, the guide assembly 3 includes a track member 32 and a guide member 31, the track member 32 is disposed on the sliding arm 222, the guide member 31 is disposed on the support assembly 1, a square guide track is disposed on the guide member 31, and the guide member 31 is used for guiding the track member 32 to move along the guide track so as to drive the sliding arm 222 to move along the square track.

Specifically, in this embodiment, the guide member 31 is an external gear plate, a plurality of gear teeth on the external gear plate form a square guide track, the track member 32 is a track wheel rotatably mounted on the sliding arm 222, and the track wheel is externally engaged with the external gear plate. The track wheel runs along the gear teeth of the external gear plate, and in the running process, the sliding arm 222 is driven to extend out of or retract into the fixed arm 221, so that a square track (see fig. 1 and 2) is formed, and in the embodiment, the four vertex angle positions of the square track formed by the sliding arm 222 are in arc transition to form a square circle.

Further, a first elastic restoring member 33 is disposed between the sliding arm 222 and the support assembly 1, and the first elastic restoring member 33 can pull the sliding arm 222 to restore the sliding arm 222; but also the track member 32 can be prevented from being separated from the guide member 31. In this embodiment, the first elastic restoring member 33 is a spring, one end of which is mounted on the track wheel (but does not affect the rotation of the track wheel), and the other end of which is mounted on the support assembly 1.

Further, the track wheel includes a connecting portion 321 and a gear 322, one end of the spring is sleeved on the connecting portion 321, one end of the connecting portion 321 is provided with a chuck, a clamping hole 22211 (see fig. 7) is formed in the sliding main body 2221, the chuck extends into the clamping hole 22211 and cannot be separated, the connecting portion 321 can rotate relative to the sliding arm 222, the gear 322 is connected to the other end of the connecting portion 321, and the track wheel is meshed with the external gear plate. The track wheel is convenient for realizing the installation of the gear 322 through the connecting part 321 so as to realize the rotation of the gear 322 relative to the sliding arm 222.

As shown in fig. 9, the sliding arm 222 has two states of extending from or retracting to the fixed arm 221 in operation, and the track wheel moves to the straight edge of the external gear plate, where the sliding arm 222 is in the retracted state. The track wheel travels to the location of the apex of the external gear plate where the sliding arm 222 is in an extended state. The extension driving source of the sliding arm 222 is that water flows to drive the spray assembly 2 to rotate, the retraction of the sliding arm 222 is kept by a spring, and the spring always keeps the extension state to pull the telescopic arm 22 to reset.

As shown in fig. 10-13, the spray device 100 may only include a telescopic arm 22, where in fig. 10, a set of telescopic arms 22 is disposed in the spray device 100, and in fig. 11, the spray device 100 includes two sets of telescopic arms 22, where an included angle between the two sets of telescopic arms 22 is 180 ° so as to ensure smooth operation of the spray assembly 2. The sliding arms 222 of each set of telescoping arms 22 are engaged with the external gear plate via a set of track wheels. The spray assembly 100 of fig. 12 includes three sets of telescoping arms 22, wherein the included angle between any two adjacent sets of telescoping arms 22 in the three sets of telescoping arms 22 is 120 °. The sliding arms 222 of each set of telescoping arms 22 are engaged with the external gear plate via a set of track wheels. The spray assembly 100 of fig. 13 includes four sets of telescoping arms 22, wherein the included angle between any two adjacent sets of telescoping arms 22 in the four sets of telescoping arms 22 is 90 °. The sliding arms 222 of each set of telescoping arms 22 are engaged with the external gear plate via a set of track wheels. Of course, the number of the groups of the telescopic arms 22 is not limited to the above-mentioned number of groups, and may further include more groups, for example, five groups, six groups, etc., and the included angles between any two groups of telescopic arms 22 in the plurality of groups of telescopic arms 22 are equal, so as to ensure the stability of the operation of the spray assembly 2.

As shown in fig. 2-5, the spray device 100 further includes at least one set of spray arms 23, the spray arms 23 being in communication with the body 21. The spray arm 23 is provided with a plurality of spray holes 20 arranged along the length direction thereof, water flow is sprayed out through the spray holes 20, and under the action of the water flow, the running track of the spray arm 23 is circular. Preferably, the spray arm 23 is of unitary construction with the body 21.

In this embodiment, the spray device 100 includes a set of telescopic arms 22 and two sets of spray arms 23, the spray arms 23 are communicated with the main body 21, the included angles between any two adjacent telescopic arms 22 and two sets of spray arms 23 are equal, that is, the included angle between every two sets of spray arms is 120 °, a plurality of spray holes 20 are provided on the spray arms 23 along the length direction thereof, the spray arms 23 rotate around the support assembly 1, and the running track is circular.

As shown in fig. 14 and 15, the spray arms 23 are not limited to two groups, and the spray arms 23 may include one group, and as shown in fig. 14, the spray assembly 2 includes a group of telescopic arms 22 and a group of spray arms 23, and an angle between the telescopic arms 22 and the spray arms 23 is 180 degrees. As shown in fig. 15, the spray assembly 2 includes a set of telescoping arms 22 and three sets of spray arms 23, with the angle between any two adjacent sets being 90 °. Of course, in other embodiments, the number of groups of the telescopic arms 22 in the spray assembly 2 is not limited to one group, but may be multiple groups, and the number of groups of the spray arms 23 is not limited to the above example, and the specific number of groups may be set according to the requirement.

Example two

The present embodiment provides a shower apparatus 100, and the shower apparatus 100 of the present embodiment is different from the first embodiment in the structure of the guide member 31. In this embodiment, as shown in fig. 16 and 17, the guide member 31 is an internal gear plate, and a plurality of teeth on the internal gear plate form a square guide track; the track member 32 is a track wheel rotatably mounted to the slide arm 222, the track wheel being in meshing engagement with the inner gear.

The guide assembly 3 can realize stable transmission, the spray assembly 2 can rotate according to a specific direction under the driving force of water flow, and the track wheel can always rotate next to the inner gear 322 by the centrifugal force generated during rotation. The gear 322 is internally meshed with the internal gear, so that the occupied space of the guide assembly 3 is reduced, and the dish washer suitable for a small space is facilitated.

Preferably, a second elastic restoring member 34 is provided between the track wheel and the support assembly 1 for driving the sliding arm 222 to restore. The second elastic restoring member 34 has the same structure as the first elastic restoring member 33, and the connection manner is the same, which is not described herein.

In the internal engagement scheme between the internal gear and the track wheel, the second elastic restoring member 34 may not be provided, and when the second elastic restoring member 34 is not provided, the spray assembly 2 may rotate in a specific direction under the driving force of the water flow, and the track wheel may always rotate next to the internal gear due to the centrifugal force generated during rotation.

The other structures of this embodiment are the same as those of the first embodiment, and will not be described here again.

Embodiment III:

the difference between the spraying device 100 of the present embodiment and the spraying device 100 of the first embodiment is that the guiding component 3 of the first embodiment is in a meshing manner of a gear disc and a track wheel, in this embodiment, as shown in fig. 18-20, a square slideway 311 is provided on the guiding element 31, in this embodiment, the slideway 311 is a square annular groove provided on the guiding element 31 to form a guiding track, and the track element 32 extends into the square slideway 311 and moves along the square slideway 311. The track member 32 can be guided by the square slideway 311 on the guide member 31, so that the track member can drive the sliding arm 222 to move along a square track. The guide assembly 3 is simple in structure and easy to manufacture.

Further, the track member 32 includes a first bearing 323, a rotating shaft 324 and a second bearing 325, the first bearing 323 is mounted on the sliding arm 222, one end of the rotating shaft 324 is mounted on the first bearing 323, the rotating shaft 324 can rotate relative to the sliding arm 222 through the first bearing 323, the second bearing 325 is mounted on the other end of the rotating shaft 324, and the second bearing 325 is in rolling contact with the slideway 311. The first bearing 323 can rotate the rotating shaft 324 relative to the sliding arm 222, and the second bearing 325 is in rolling contact with the slideway 311, so that the friction resistance between the guide piece 31 and the track piece 32 is reduced, and the track piece 32 can run more smoothly. The track member 32 is not limited to the above structure, and may have other structures as long as it can move along the slide way 311 to drive the sliding arm 222 to stretch or retract.

It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the invention. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.

Claims

1. Spray set, its characterized in that includes:

a support assembly (1);

the spray assembly (2) comprises a main body (21) and at least one group of telescopic arms (22), wherein the main body (21) is rotatably arranged on the support assembly (1), the telescopic arms (22) comprise fixed arms (221) communicated with the main body (21) and sliding arms (222) connected with the fixed arms (221) in a sliding manner, the main body (21), the fixed arms (221) and the sliding arms (222) are mutually communicated to form a runner, and at least the sliding arms (222) are provided with spray holes (20) communicated with the runner; a kind of electronic device with high-pressure air-conditioning system

The guide assembly (3) is arranged between the support assembly (1) and the sliding arm (222), and the guide assembly (3) is used for guiding the sliding arm (222) to move along a square track.

2. The spraying device according to claim 1, characterized in that the guiding assembly (3) comprises:

a track member (32), wherein one track member (32) is arranged on each sliding arm (222); a kind of electronic device with high-pressure air-conditioning system

The guide piece (31), the guide piece (31) set up in supporting component (1), be provided with square guide track on the guide piece (31), the guide piece (31) are used for guiding track piece (32) are followed guide track moves, in order to drive corresponding slide arm (222) are along square track operation.

3. The spraying device according to claim 2, characterized in that the guide (31) is an external toothed disk, on which a plurality of teeth form the square guide track;

the track piece (32) is a track wheel, the track wheel is rotatably arranged on the sliding arm (222), and the track wheel is externally meshed with the external gear disc;

a first elastic reset piece (33) is arranged between the track wheel and the supporting component (1) and is used for driving the sliding arm (222) to reset.

4. The spraying device according to claim 2, characterized in that the guide (31) is an internal gear disk, on which a plurality of teeth form the square guide track;

the track piece (32) is a track wheel, the track wheel is rotatably mounted on the sliding arm (222), and the track wheel is internally meshed with the internal gear.

5. The spraying device according to claim 4, characterized in that a second elastic return element (34) is arranged between the track wheel and the support assembly (1) for driving the sliding arm (222) to return.

6. The spray device of claim 3 or 4, wherein the track wheel comprises:

a connecting part (321), wherein one end of the connecting part (321) is rotationally connected with the sliding arm (222); a kind of electronic device with high-pressure air-conditioning system

And a gear (322), wherein the gear (322) is connected to the other end of the connecting part (321), and the track wheel is meshed with the guide piece (31).

7. The spraying device according to claim 2, characterized in that the guide (31) is provided with a square slide (311) to form the guide track, and that the track member (32) extends into the slide (311) and moves along the slide (311).

8. The spraying device according to claim 7, wherein the track member (32) comprises:

-a first bearing (323), said first bearing (323) being mounted to said sliding arm (222);

a rotating shaft (324), wherein one end of the rotating shaft (324) is mounted on the first bearing (323), and the rotating shaft (324) can rotate relative to the sliding arm (222) through the first bearing (323); a kind of electronic device with high-pressure air-conditioning system

And a second bearing (325), the second bearing (325) is mounted at the other end of the rotating shaft (324), and the second bearing (325) is in rolling contact with the slideway (311).

9. The spray device of claim 1, wherein the slide arm (222) comprises:

a sliding body (2221), wherein a plurality of spray holes (20) are arranged on the sliding body (2221); a kind of electronic device with high-pressure air-conditioning system

And a movable part (2222) having one end connected to the sliding body (2221) and the other end slidably connected to the fixed arm (221) so as to extend out of or retract into the fixed arm (221).

10. Dishwasher, characterized by comprising a spray device according to any one of claims 1 to 9.