CN220175062U - Spraying device and dish washer - Google Patents

Abstract

The utility model 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 way, the main body, the fixed arms and the sliding arms are mutually communicated to form a runner, spraying holes communicated with the runner are formed in the sliding arms, reinforcing spraying holes are formed in one end of the sliding arms, which is in sliding connection with the fixed arms, of the sliding arms, 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 extend out of or retract into the fixed arms so as to open or close the reinforcing spraying holes. The sliding arm of the spraying device can extend out of or retract back into the fixed arm under the guidance of the guide component so as to open or close the reinforced spraying holes, the reinforced spraying holes can carry out reinforced cleaning on specific areas in the cavity of the dish washer, and the cleaning effect is improved.

Description

Spraying device and dish washer

Technical Field

The utility model 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, the spraying track of the spraying arm is circular, the conventional spraying arm cannot perform targeted strong washing on a certain specific area, and then the washing effect on tableware needing strong washing is poor.

Disclosure of Invention

The utility model aims to provide a spraying device and a dish washing machine, and solves the problems that the spraying track of the spraying device of the existing dish washing machine is circular, the specific strong washing cannot be performed on a specific area, and the cleaning effect on tableware needing strong washing is poor.

To achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a spray device, comprising:

a support assembly;

the spray assembly comprises a main body and at least one group of telescopic arms, wherein the main body is rotatably arranged on the support 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, at least the sliding arms are provided with spray holes communicated with the runner, and one end of each sliding arm connected with the fixed arm in a sliding manner is provided with a reinforced spray hole; and

The guide assembly is arranged between the support assembly and the sliding arm and used for guiding the sliding arm to extend out of or retract back into the fixed arm so as to open or close the reinforced spraying hole.

The spray device comprises a supporting component, a spray component and a guide component, wherein the spray 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, a spray hole communicated with the runner is formed in at least the sliding arms, the sliding arms are arranged at one ends of the sliding arms, which are in sliding connection with the fixed arms, to strengthen the spray hole, the sliding arms can extend out of or retract into the fixed arms under the guide of the guide component so as to open or close the strengthen the spray hole, and when the strengthen spray hole is opened, the special area in the cavity of the dish washer can be strengthened and cleaned, and the cleaning effect of the area is improved.

As a preferable mode of the spraying device, the guiding assembly comprises:

the track pieces are arranged on the sliding arms respectively; and

The guide piece is arranged on the supporting component, a cam-shaped 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 cam-shaped track.

The guide piece is provided with a cam-shaped guide track to play a guiding role and 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 cam-shaped 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 the cam-shaped 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 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 cam-shaped guide track, and the track wheel can be guided to run along the gear teeth of the external gear plate, so that the sliding arm is driven to run along the cam-shaped track; the first reset piece is used for driving the sliding arm to reset, and the track wheel is prevented from being separated from the external gear disc.

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 the cam-shaped 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 cam-shaped guide track, and the track wheel is internally meshed with the internal gear plate, so that the sliding arm can move along the cam-shaped 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 reset piece is arranged between the track wheel and the supporting component and used for driving the sliding arm to reset.

The second 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 above spraying device, the track wheel includes:

the connecting part is rotationally connected with one end of the sliding arm; and

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 guiding piece is provided with a cam-shaped slideway so as to form the guiding track, and the track piece extends into the slideway and moves along the slideway.

The track piece can be guided by the cam-shaped slideway on the guide piece, so that the track piece drives the sliding arm to move along the cam-shaped 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; and

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; and

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 utility model also provides a dish washer which comprises the spraying device.

The dishwasher can realize the enhanced cleaning of a specific area in a cavity of the dishwasher through the spraying device, and the cleaning effect of the area is improved.

The utility model has the beneficial effects that:

the spray device comprises a support assembly, a spray assembly and a guide assembly, wherein the spray assembly 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 spray holes communicated with the runner, one ends of the sliding arms, which are in sliding connection with the fixed arms, are provided with reinforced spray holes, the sliding arms can extend out of or retract into the fixed arms under the guidance of the guide assembly so as to open or close the reinforced spray holes, and when the reinforced spray holes are opened, specific areas in a cavity of a dish washer can be reinforced and cleaned, so that the cleaning effect of the areas is improved.

The spraying device of the dish washer provided by the utility model can realize the enhanced cleaning of a specific area in a cavity of the dish washer, and the cleaning effect of the area is improved.

Drawings

Fig. 1 is a schematic structural diagram of a spraying device according to a first embodiment of the present utility model;

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

fig. 3 is a schematic diagram of a first structure to be assembled of a spraying device according to a first embodiment of the present utility model;

FIG. 4 is a cross-sectional view of a spray device provided in accordance with a first embodiment of the present utility model;

FIG. 5 is an enlarged partial schematic view at A in FIG. 4;

FIG. 6 is a cross-sectional view of another spray device provided in accordance with a first embodiment of the present utility model;

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

FIG. 8 is a schematic view of a sprinkler system according to a first embodiment of the present utility model in different states;

fig. 9 is a schematic structural diagram of a spraying device according to a second embodiment of the present utility model;

fig. 10 is a diagram of a spraying device to be assembled according to a second embodiment of the present utility model.

In the figure:

100. a spraying device;

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; 22222. strengthening spray holes; 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 reset member;

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

Detailed Description

The utility model 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 utility model 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 utility model are shown in the drawings.

In the description of the present utility model, 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 utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, 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 utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

Embodiment one:

the dish washing machine comprises a chamber, a spraying device and a bowl washing groove, wherein the spraying device and the bowl washing groove are arranged in the chamber, the spraying device is arranged in the chamber and is communicated with a water supply device (not shown in the figure), the bowl washing groove is arranged above the spraying device, and dishes and other tableware placed in the bowl washing groove are washed through the spraying device. In the existing dish washer products, the spraying mode of the spraying device is rotary spraying, the spraying track of the spraying arm is circular, the conventional spraying arm cannot perform targeted strong washing on a certain specific area, and then the washing effect on tableware needing strong washing is poor.

In order to solve the above-mentioned problems, as shown in fig. 1-8, 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, 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, the water inlet 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 way, the main body 21, the fixed arm 221 and the sliding arm 222 are mutually communicated to form a runner, at least the sliding arm 222 is provided with a spray hole 20 communicated with the runner, one end of the sliding arm 222 connected with the fixed arm 221 in a sliding way is provided with a reinforced spray hole 22222, and the reinforced spray hole 22222 is communicated with the runner. The guide assembly 3 is disposed between the support assembly 1 and the sliding arm 222, the spray assembly 2 rotates under the action of the force of the spray water flow, and the guide assembly 3 is used for guiding the sliding arm 222 to extend out of or retract into the fixed arm 221 so as to open or close the reinforced spray hole 22222. When the enhanced spray holes 22222 are opened, the enhanced cleaning of a specific area in the chamber of the dishwasher can be performed, and the cleaning effect of the area can be improved.

Specifically, as shown in fig. 4 and 5, 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, 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. 4, a sliding groove 2211 is formed inside the fixed arm 221, the sliding arm 222 is slidably disposed in the sliding groove 2211, the sliding groove 2211 guides the extension and retraction of the sliding arm 222, and the sliding arm 222 moves along the sliding groove 2211 to extend out of or retract into the fixed arm 221.

Alternatively, as shown in fig. 2 and 3, the end of the sliding arm 222 slidably connected to the fixed arm 221 is provided with a reinforcement spray hole 22222, and the sliding arm 222 can be extended or retracted from the fixed arm 221 to open or close the reinforcement spray hole 22222. Specifically, the sliding arm 222 stretches out and draws back under the guidance of the guide assembly 3, and in the process that the sliding arm 222 stretches out of the fixed arm 221, the enhanced spray hole 22222 is gradually opened, the enhanced spray hole 22222 is beneficial to enhanced cleaning of the corresponding region of the enhanced spray hole 22222, and the cleaning effect of the region is improved. The reinforcing shower holes 22222 may be provided at one end of the slide arm 222 slidably connected to the fixed arm 221, and the specific installation position, the angle and the installation direction of the reinforcing shower holes 22222 are not particularly limited herein, and may be set as required.

Further, as shown in fig. 2, the sliding arm 222 includes a sliding body 2221 and a movable portion 2222, and the sliding body 2221 is provided with a plurality of spray holes 20 at intervals along its length direction, 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 sliding groove 2211 to extend or retract from the fixed arm 221, as shown in fig. 3, and the reinforcing shower hole 22222 is provided in the movable portion 2222. The sliding arm 222 is in sliding connection with the fixed arm 221 through the movable part 2222, and sprays water through the plurality of spraying holes 20 on the sliding main body 2221, so that the top angle position of the cavity can be cleaned, and the cleaning effect is improved; the specific area in the cavity of the dish washer can be cleaned in an enhanced manner through the enhanced spray holes 22222, and the cleaning effect of the area is improved.

Alternatively, as shown in fig. 2 to 4, one end of the movable portion 2222 is fixedly connected to the sliding body 2221, the movable portion 2222 is integrally formed with the sliding body 2221, and one end of the movable portion 2222 slidably connected to the fixed arm 221 is detachably connected to the fixed arm 221. Specifically, a limiting groove 22221 is provided at one end of the movable portion 2222 slidably connected to the fixed arm 221, a sealing ring 223 is sleeved 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 that water is prevented 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.

Alternatively, the movable portion 2222 and the sliding body 2221 are not integrally configured, as shown in fig. 6, and the movable portion 2222 and the sliding body 2221 are separately configured, and the movable portion 2222 is a separate component, so as to reduce the number of components of the sliding arm 222. Both ends of the movable portion 2222 may be detachably connected by the cooperation of the above-mentioned limit groove 22221 and the seal ring 223.

As shown in fig. 2-4 and fig. 6, the guiding assembly 3 includes a guiding element 31 and a track element 32, the track element 32 is disposed on the sliding arm 222, the guiding element 31 is disposed on the supporting assembly 1, a cam-shaped guiding track is disposed on the guiding element 31, and the guiding element 31 is used for guiding the track element 32 to move along the guiding track so as to drive the sliding arm 222 to move along the cam-shaped 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 cam-shaped guide track, the track member 32 is a track wheel, and the track wheel is rotatably mounted on the sliding arm 222, and is externally meshed with the external gear plate. The track wheel runs along the teeth of the external gear plate, and during running, the sliding arm 222 is driven to extend or retract from the fixed arm 221, so that a cam-shaped track (see fig. 1 and 2) is formed, and the opening and closing of the enhanced spray holes 22222 are realized.

Further, a first reset piece 33 is arranged between the sliding arm 222 and the support assembly 1, and the first reset piece 33 can pull the sliding arm 222 to reset 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 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. The first restoring member 33 is not limited to being provided as a spring, and as shown in fig. 7, the first restoring member 33 is a magnetic attraction member, that is, opposite magnetic attraction members are provided on the slide arm 222 and the fixed arm 221, respectively, so that the slide arm 222 and the fixed arm 221 always maintain an attraction state, and a pulling driving force is provided for retraction of the slide arm 222.

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. 8, the slide arm 222 has two states of extending from or retracting to the fixed arm 221 in operation, where the telescopic arm 22 is in the extended maximum state when the track wheel is operated to the position of the apex of the convex position of the guide 31, and the slide arm 222 is in the retracted state when the track wheel is operated to the non-convex region of the guide 31. The extension drive of the sliding arm 222 is derived from the rotation of the spray assembly 2 by the water flow, and the retraction of the sliding arm 222 is maintained by a spring. The spring always maintains the extended state pulling the sliding arm 222 and the fixed arm 221. The enhanced spray holes 22222 on the slide arm 222 are closed when the slide arm 222 is in the retracted state. The reinforcement spray holes 22222 are gradually opened during the extension of the slide arm 222. Strengthening the spray holes 22222 can enhance the cleaning effect on this area. Retraction of the slide arm 222 is maintained by a spring which maintains the extended condition to pull the telescoping arm 22 back.

Optionally, the spray device 100 may include only the telescopic arms 22, and a set of telescopic arms 22 may be disposed in the spray device 100, and the spray device 100 may further include two sets, three sets, four sets, and other sets of telescopic arms 22, where when two sets of telescopic arms 22 are disposed, 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. When the spray device 100 includes three sets of telescoping arms 22, 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. When the spray device 100 includes four sets of telescoping arms 22, 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 and 3, 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.

Alternatively, the spray arms 23 are not limited to two groups, the spray arms 23 may comprise one group, the spray assembly 2 comprises a set of telescopic arms 22 and a set of spray arms 23, and the angle between the telescopic arms 22 and the spray arms 23 is 180 degrees. The spray assembly 2 may also include 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, the guide member 31 is an internal gear plate, and a plurality of gear teeth on the internal gear plate form a cam-shaped 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 generated centrifugal force during rotation can enable the track wheel to rotate close to the internal gear plate all the time. 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 reset member is provided between the track wheel and the support assembly 1 for driving the slide arm 222 to reset. The second restoring member has the same structure as the first restoring member 33, and the connection manner is the same, and may be a spring or a magnetic attraction member, and the specific structure is not described herein.

In the internal engagement scheme between the internal gear and the track wheel, the second reset member may not be provided, and when the second reset member is not provided, the spray assembly 2 may rotate in a specific direction under the driving force of the water flow, and the centrifugal force generated during rotation may enable the track wheel to rotate close to the internal gear all the time.

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. 9 and 10, a cam-shaped slideway 311 is disposed on the guiding element 31, in this embodiment, the slideway 311 is a cam-shaped annular groove disposed on the guiding element 31 to form a guiding track, and the track element 32 extends into the cam-shaped slideway 311 and moves along the cam-shaped slideway 311. The track member 32 can be guided by the cam-shaped slideway 311 on the guide member 31, so that the track member can drive the sliding arm 222 to move along the cam-shaped 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.

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

Embodiment four:

the present embodiment provides a dishwasher, including the spraying device 100 in the first embodiment, the second embodiment or the third embodiment, and the dishwasher can implement, through the spraying device 100, enhanced cleaning of a specific area in a cavity of the dishwasher, and improve a cleaning effect of the area.

The connection between the spraying device 100 and other structures of the dishwasher is related to the prior art, and will not be described herein.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. 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 utility model are desired to be protected by the following claims.

Claims (10)

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), each 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 the sliding arm (222), and a reinforced spray hole (22222) is formed in one end of the sliding arm (222) and one end of the sliding arm (221) connected with the fixed arm in a sliding manner. And

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 extend out of or retract back into the fixed arm (221) so as to open or close the reinforced spraying hole (22222).

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

a track member (32), wherein one track member (32) is arranged on each sliding arm (222); and

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

3. Spray device according to claim 2, characterized in that the guide (31) is an external toothed disk, on which a plurality of teeth form the cam-shaped 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 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 cam-shaped 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 reset element is arranged between the track wheel and the support assembly (1) for driving the sliding arm (222) to reset.

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); and

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. Spray device according to claim 2, characterized in that the guide (31) is provided with cam-shaped slides (311) to form the guide track, the track member (32) extending into the slides (311) and moving along the slides (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); and

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); and

And one end of the movable part (2222) is connected with the sliding main body (2221), the other end of the movable part is connected with the fixed arm (221) in a sliding way, the other end of the movable part (2222) is provided with the reinforced spraying hole (22222), and the movable part (2222) is configured to extend out of or retract back into the fixed arm (221) so as to open or close the reinforced spraying hole (22222).

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