CN219206804U - Spraying structure for cleaning machine and cleaning machine - Google Patents

Abstract

The utility model relates to a spraying structure for a cleaning machine and the cleaning machine, wherein the spraying structure comprises a water inlet pipe, wherein the water inlet pipe is in a strip shape with two closed ends, a water inlet and a water outlet are formed in the peripheral wall of the water inlet pipe, and the water outlet is positioned beside the water inlet; the rotary pipe is sleeved on the water inlet pipe and can rotate around the axis of the rotary pipe, the peripheral wall of the rotary pipe is provided with spray holes penetrating through the wall thickness of the rotary pipe, and the spray holes are communicated with the water outlet Kong Xiangliu on the water inlet pipe; the water inlet is characterized in that water outlets are formed in two sides of the water inlet, two rotating pipes are arranged and are sleeved on the water inlet pipe in a rotating mode and located on two sides of the water inlet. No matter whether the water inlet pipe rotates, the tableware below the two rotating pipes can be sprayed by the corresponding rotating pipes, and the spraying structure has larger spraying area, reduces the cleaning dead angle and has good cleaning effect on the tableware.

Description

Spraying structure for cleaning machine and cleaning machine

Technical Field

The utility model relates to the technical field of dish washers, in particular to a spraying structure for a cleaning machine and the cleaning machine.

Background

For the embedded dish washer of big number of sets, in order to promote the utilization ratio of dish washer inner chamber space, generally draw out "chopsticks cage region" alone, add upper bowl basket and put up its loading demand, this upper bowl basket is placed at the washing chamber upper strata, and upper bowl basket space is comparatively flat, places knife and fork, chopsticks, ladle, fork, soup ladle etc. at this layer, can get up middle level bowl basket, lower floor bowl basket space make full use of like this for loading bowl dish etc..

Generally speaking, a dish washer is provided with a middle spray arm and a lower spray arm, the middle spray arm is located below the middle bowl basket, the lower spray arm is arranged below the lower bowl basket, but after dishes are placed in the middle bowl basket, water flow sprayed by the middle spray arm can be blocked, so that the dishes in the upper bowl basket cannot be cleaned by the water flow sprayed by the middle spray arm, and the upper bowl basket is cleaned only by water drops dropping on the top wall of a washing cavity, so that the washing effect is poor, and stubborn stains are difficult to wash.

Aiming at the problems, the spray arm device and the dish washer disclosed in the Chinese patent application publication No. CN201410339176.X (publication No. CN 104706293A) are provided with an upper spray arm device, a middle spray arm device and a lower spray arm device, wherein the upper spray arm device, the middle spray arm device and the lower spray arm device are respectively arranged at the top, the middle and the bottom of the liner, the upper spray arm device can clean an upper layer bowl basket frame, and the upper spray arm device, the middle spray arm device and the lower spray arm device can all adopt the following structures:

the spray arm device comprises a spray arm main body with a first hollow inner cavity, a water inlet and a plurality of first spraying ports, wherein a water inlet pipe is convexly arranged at the water inlet of the spray arm main body; the spray arm device further comprises a spray arm auxiliary body, a bevel gear and a clamp ring, wherein the bevel gear is sleeved on the periphery of the water inlet pipe, the clamp ring is fixedly connected to the water inlet pipe and used for clamping the bevel gear on the water inlet pipe, the spray arm auxiliary body is provided with a second hollow inner cavity and a plurality of second injection ports communicated with the second hollow inner cavity, one end of the spray arm auxiliary body is sleeved on the spray arm main body, the end of the spray arm auxiliary body, which faces the water inlet pipe, is convexly provided with a bevel gear which is matched with the bevel gear, the outer wall of the spray arm main body is further provided with a communication hole used for communicating the first hollow inner cavity with the second hollow inner cavity, and the spray arm auxiliary body can realize up-down washing of tableware through double rotary motion, so that the area range of direct washing of washing water is enlarged, the washing efficiency and the washing effect of a dish washer are effectively improved, the electric energy of the dish washer is effectively saved, the waste of unnecessary water resources is avoided, and the comprehensive performance and the market competitiveness of the dish washer are improved.

However, when the spray arm main body rotates, the auxiliary body of the spray arm can rotate only through the power transmission of the power transmission components such as the tip bevel gear and the movable bevel gear, so that the structure is complex, and the components are more; in addition, because the spray arm main body of the patent can rotate, the spray arm auxiliary body can be driven to revolve while rotating, so that the spray arm auxiliary body can be only provided with one spray arm auxiliary body, tableware in the upper bowl basket frame can be guaranteed to be sprayed to the spray arm auxiliary body, but under the condition that the spray arm main body cannot rotate, if the spray arm auxiliary body is only provided with one spray arm auxiliary body, only tableware below the spray arm auxiliary body can be sprayed to the spray arm auxiliary body by water flow, tableware in other areas cannot be sprayed to the spray arm auxiliary body, and the spray area of the spray arm auxiliary body is smaller.

Disclosure of Invention

The utility model aims to solve the first technical problem of providing a spraying structure with large spraying area for a cleaning machine aiming at the current state of the art.

The second technical problem to be solved by the utility model is to provide a cleaning machine applying the spraying structure aiming at the current state of the art.

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

The water inlet pipe is in a strip shape with two closed ends, a water inlet and a water outlet are formed in the peripheral wall of the water inlet pipe, and the water outlet is positioned beside the water inlet;

the rotary pipe is sleeved on the water inlet pipe and can rotate around the axis of the rotary pipe, the peripheral wall of the rotary pipe is provided with spray holes penetrating through the wall thickness of the rotary pipe, and the spray holes are communicated with the water outlet Kong Xiangliu on the water inlet pipe;

the method is characterized in that: the water inlet is characterized in that water outlets are formed in two sides of the water inlet, two rotating pipes are arranged and are sleeved on the water inlet pipe in a rotating mode and located on two sides of the water inlet.

Preferably, the water inlet pipe is fixed, and the rotary pipe can rotate under the reaction force of water flow. Therefore, a part for driving the rotation tube to rotate is not required, the number of the related parts is small, and the structure is simple.

In order to prevent uneven distribution in two rotation pipes of water flow direction, lead to one of them rotation pipe unable rotation under the effort of rivers, the water inlet is located the central part of inlet tube, and two rotation pipe symmetry set up in the both sides of water inlet. Like this from the water evenly flow to in two rotation pipes of water inlet for two rotation pipes atress is great, can rotate.

Because the rotating pipe rotates, in order to ensure that water still flows out of the spray holes when the spray holes are staggered with the water outlet holes, a gap communicated with the water outlet holes and the spray holes is reserved between the inner peripheral wall of the rotating pipe and the outer peripheral wall of the water inlet pipe. Thus, water flowing out of the water outlet hole can be stored in a gap between the rotating pipe and the water inlet pipe, and no matter where the spray hole rotates, the water in the gap can always flow to the spray hole and be sprayed out of the spray hole.

In order to ensure the water outlet area of the water outlet hole, a plurality of water outlet holes can be formed on the water inlet pipe, but the water outlet holes are troublesome, so that the water outlet holes preferably extend along the length direction of the water inlet pipe. Thus, the large water outlet area is ensured, and the water outlet holes are also convenient to open.

In order to prevent the rotation tube from moving along the axial direction of the water inlet pipe, a circle of caulking groove is formed in the peripheral wall of the water inlet pipe along the circumferential direction of the water inlet pipe, an embedded block embedded in the caulking groove is arranged on the rotation tube, and the embedded block can slide along the caulking groove.

In order to facilitate the sleeve arrangement of the rotating pipe on the water inlet pipe, one end of the rotating pipe is a closed end, the other end of the rotating pipe is an open end, and the rotating pipe is sleeved on the water inlet pipe from the open end of the rotating pipe. The rotary pipe and the water inlet pipe are installed in a butt-inserting mode, so that the rotary pipe and the water inlet pipe are easy to assemble and disassemble and convenient to maintain.

Preferably, the water inlet pipe comprises a water inlet part positioned at the central part and two water outlet parts connected with two ends of the water inlet part, the water inlet is formed on the water inlet part, the water outlet hole is formed on the water outlet part, the rotating pipe is rotationally sleeved on the water outlet part, the outer diameter of the water inlet part is larger than that of the water outlet part, so that a step part is formed at the joint of the water inlet part and the water outlet part, and the open end of the rotating pipe is propped against the step part. Therefore, when the open end of the rotating tube abuts against the step part, the rotating tube is installed in place.

In order to prevent the rotary pipe from generating displacement in the axial direction relative to the water inlet pipe, a convex rib is convexly arranged on the peripheral wall of the water outlet part, an embedded groove is formed between the convex rib and the step part, an embedded block embedded in the embedded groove is arranged at the open end of the rotary pipe, and the embedded block can slide along the embedded groove, so that the rotary pipe can rotate relative to the water inlet pipe; in addition, the embedded block is embedded in the embedded groove, so that the rotary pipe can be prevented from generating displacement in the axial direction relative to the water inlet pipe.

In order to facilitate embedding of the embedded block in the embedded groove, a wall surface, far away from the closed end of the rotating pipe, of the embedded block is a first inclined surface inclined towards the closed end of the rotating pipe along the axial direction of the rotating pipe, and a wall surface, facing towards the closed end of the rotating pipe, of the convex rib is a second inclined surface inclined towards the closed end of the rotating pipe along the axial direction of the rotating pipe. Thus, the insert is convenient to be embedded in the caulking groove beyond the convex rib.

In order to prevent water from leaking from the gap between the rotating pipe and the water inlet pipe, the inner peripheral wall of the rotating pipe is contacted with the convex ribs, so that a certain sealing effect is achieved, and water is prevented from leaking out.

In order to improve the rotation stability of the rotating pipe, the closed end of the water outlet part is convexly provided with a flange along the radial direction of the closed end, the flange is contacted with the inner peripheral wall of the rotating pipe, and the flange plays a role in supporting the rotating pipe and ensures the rotation stability of the rotating pipe.

In order to ensure that tableware right below the water inlet part can be sprayed, the peripheral wall of the water inlet part is provided with a nozzle penetrating through the wall thickness of the water inlet part.

The spout may be circular and may be a slit extending in the axial direction of the inlet pipe in order to prevent insufficient water flow to the outlet opening.

The utility model solves the second technical problem by adopting the technical proposal that: the utility model provides an use above-mentioned cleaning machine who sprays structure which characterized in that: the washing device also comprises a box body with a washing cavity, and the spraying structure is arranged in the washing cavity.

Preferably, the spraying structure is arranged near the top of the washing cavity, so that water sprayed downwards from the spray holes can be directly sprayed onto tableware, water sprayed upwards from the spray holes to the top wall of the washing cavity can be downwards sprayed under the reaction force of the washing cavity, water flow loss is reduced, and the cleaning effect is improved; the spray arm can spray the tableware at the lower part directly in the rotating process, and can strike the top of the washing cavity to form a large-area sputtering effect, so that larger-area real-time spraying is realized.

Preferably, the cleaning machine further comprises a vertically extending water supply pipe connected with the water inlet pipe, the water supply pipe is provided with a first water outlet which is in fluid communication with the water inlet of the water inlet pipe, a second water outlet which is positioned below the first water outlet is further formed in the water supply pipe, a spray arm which is in fluid communication with the second water outlet is arranged in the cleaning cavity, a first bowl basket and a second bowl basket which are sequentially arranged along the up-down direction are further arranged in the cleaning cavity, the spray structure is positioned above the first bowl basket, and the spray arm is positioned below the second bowl basket. The spraying structure is specially used for cleaning the upper bowl basket frame, so that the cleaning effect of tableware on the upper bowl basket frame is guaranteed.

Compared with the prior art, the utility model has the advantages that: according to the utility model, the two rotating pipes are rotatably sleeved on the water inlet pipe, so that tableware below the two rotating pipes can be sprayed by the corresponding rotating pipes no matter whether the water inlet pipe rotates or not, the spraying structure has a larger spraying area, the cleaning dead angle is reduced, and the cleaning effect on the tableware is good.

Drawings

FIG. 1 is a schematic view of a cleaning machine according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the water supply pipe and spray structure of FIG. 1;

FIG. 3 is a partial cross-sectional view of FIG. 2;

FIG. 4 is a schematic view of the spray structure of FIG. 3;

FIG. 5 is a cross-sectional view of FIG. 4;

fig. 6 is a partially exploded view of fig. 4.

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

As shown in fig. 1 to 6, the cleaning machine of the preferred embodiment includes a cabinet 1, a water supply pipe 4, a spray structure a, a spray arm (not shown), a first bowl basket 6, and a second bowl basket 7.

The box 1 is provided with a washing cavity 11, the spraying structure A, the spraying arm, the first bowl basket frame 6 and the second bowl basket frame 7 are all arranged in the washing cavity 11, and the water supply pipe 4 is vertically arranged at the rear part of the washing cavity 11.

The spray structure A is arranged near the top of the washing cavity 11, as shown in figures 3, 4 and 5, the spray structure A comprises a water inlet pipe 2 and rotating pipes 3, the water inlet pipe 2 is in a shape with two closed ends, a water inlet 21 and a water outlet hole 22 are formed in the peripheral wall of the water inlet pipe 2, the water inlet 21 is positioned at the central part of the water inlet pipe 2, the water outlet holes 22 are formed in two sides of the water inlet 21, the rotating pipes 3 are symmetrically arranged on two sides of the water inlet 21, and the two rotating pipes 3 are rotatably sleeved on the water inlet pipe 2.

In this embodiment, the water inlet pipe 2 includes a water inlet portion 23 located at a central portion and two water outlet portions 24 connected to two ends of the water inlet portion 23, the water inlet 21 is provided on the water inlet portion 23, the water outlet portion 24 is provided with the water outlet hole 22, the peripheral wall of the water inlet portion 23 is provided with a nozzle 231 penetrating through the wall thickness thereof to spray tableware right under the water inlet portion 23, and the nozzle 231 is a slit extending along the axial direction of the water inlet pipe 2; the water outlet hole 22 extends along the length of the water inlet pipe 2.

As shown in fig. 5 and 6, one end of the rotary tube 3 is a closed end, the other end is an open end, the rotary tube 3 is rotatably sleeved on the water outlet portion 24 of the water inlet tube 2 from the open end, the outer diameter of the water inlet portion 23 is larger than that of the water outlet portion 24, and therefore a step portion 25 is formed at the joint of the water inlet portion 23 and the water outlet portion 24, and the open end of the rotary tube 3 abuts against the step portion 25. Such that the open end of the rotation tube 3 abuts against the step 25, it is explained that the rotation tube 3 is mounted in place.

The peripheral wall of the rotating tube 3 is provided with spray holes 31 penetrating through the wall thickness thereof, a plurality of spray holes 31 axially arranged in a row along the rotating tube 3 form spray hole groups, and the spray hole groups are at least two groups and are arranged at intervals along the circumferential direction of the rotating tube 3.

The spray hole 31 is in fluid communication with the water outlet 22 on the water inlet pipe 2, a gap 32 for communicating the water outlet 22 with the spray hole 31 is arranged between the inner peripheral wall of the rotating pipe 3 and the outer peripheral wall of the water inlet pipe 2, the water inlet pipe 2 is fixed, water flowing out of the water outlet 22 can be stored in the gap 32 between the rotating pipe 3 and the water inlet pipe 2, no matter where the spray hole 31 rotates, the water in the gap 32 can always flow to the spray hole 31 and be sprayed out from the spray hole 31, and then the rotating pipe 3 can rotate under the reaction force of the water flow.

Of course, a driving mechanism may be provided to drive the rotary tube 3 to rotate, for example, a motor and a first gear connected to the motor are provided on the water supply tube 4, and a circle of teeth engaged with the first gear is provided on the outer peripheral wall of the rotary tube 3 in the circumferential direction.

The outer peripheral wall of the water outlet portion 24 is provided with a convex rib 26 in a convex manner, an embedded groove 27 is formed between the convex rib 26 and the step portion 25, an embedded block 33 embedded in the embedded groove 27 is arranged at the open end of the rotary pipe 3, and the embedded block 33 can slide along the embedded groove 27. The inner peripheral wall of the rotary pipe 3 is contacted with the convex ribs 26, so that a certain sealing effect is achieved, and water is prevented from leaking from a gap between the rotary pipe 3 and the water inlet pipe 2.

The wall surface of the insert 33 far away from the closed end of the rotary tube 3 presents a first inclined surface 331 inclined toward the closed end of the rotary tube 3 along the axial direction of the rotary tube 3, and the wall surface of the convex rib 26 facing the closed end of the rotary tube 3 presents a second inclined surface 261 inclined toward the closed end of the rotary tube 3 along the axial direction of the rotary tube 3, so that the insert 33 is embedded in the insert groove 27 beyond the convex rib 26 in the process of sleeving the rotary tube 3 on the water outlet part 24.

The closed end of the water outlet portion 24 is provided with a flange 28 in a protruding manner along the radial direction, the flange 28 is in contact with the inner peripheral wall of the rotary tube 3, and the flange 28 plays a role in supporting the rotary tube 3, so that the rotary stability of the rotary tube 3 is ensured.

The water supply pipe 4 is provided with a first water outlet 41 which is in fluid communication with the water inlet 21 of the water inlet pipe 2, the water supply pipe 4 is also provided with a second water outlet 42 which is positioned below the first water outlet 41, the spray arm is in fluid communication with the second water outlet 42, the spray arm is positioned below the second bowl basket 7, the spray structure A is positioned above the first bowl basket 6, and the first bowl basket 6 and the second bowl basket 7 are sequentially arranged along the up-down direction.

The working process of the spray structure a of this embodiment is as follows:

after water in the water supply pipe 4 enters the water inlet pipe 2, the water is sprayed out of the spray hole 31 of the rotating pipe 3 through the water outlet hole 22, and the rotating pipe 3 starts to rotate under the action of the spray of the reaction force of the spray hole 31, so that a continuous and large-area coverage spray effect is formed; in addition, the reverse "sputtering" action created when the orifice 31 sweeps across the top wall of the wash chamber 11 also further expands the spray area.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for purposes of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and because the disclosed embodiments of the present utility model may be arranged in different orientations, these directional terms are merely for illustration and should not be construed as limitations, such as "upper", "lower" are not necessarily limited to orientations opposite or coincident with the direction of gravity.

The term "fluid communication" as used herein refers to a spatial positional relationship between two components or parts (hereinafter collectively referred to as a first part and a second part, respectively), that is, a fluid (gas, liquid, or a mixture of both) can flow along a flow path from the first part to the second part or/and be transported to the second part, or the first part and the second part may be directly communicated with each other, or the first part and the second part may be indirectly communicated with each other through at least one third party, and the third party may be a fluid channel such as a pipe, a channel, a conduit, a flow guiding member, a hole, a groove, or the like, or a chamber allowing the fluid to flow through, or a combination thereof.

Claims (17)

1. A spray structure for cleaning machine includes

The water inlet pipe (2) is in a strip shape with two closed ends, a water inlet (21) and a water outlet hole (22) are formed in the peripheral wall of the water inlet pipe (2), and the water outlet hole (22) is positioned beside the water inlet (21);

the rotary pipe (3) is sleeved on the water inlet pipe (2), the rotary pipe (3) can rotate around the axis of the rotary pipe, a spray hole (31) penetrating through the wall thickness of the rotary pipe is formed in the peripheral wall of the rotary pipe (3), and the spray hole (31) is in fluid communication with a water outlet hole (22) in the water inlet pipe (2);

the method is characterized in that: the two sides of the water inlet (21) are respectively provided with the water outlet holes (22), and the two rotating pipes (3) are respectively sleeved on the water inlet pipe (2) in a rotating way and positioned at the two sides of the water inlet (21).

2. The spray structure of claim 1, wherein: the water inlet pipe (2) is fixed, and the rotary pipe (3) can rotate under the reaction force of water flow.

3. The spray structure of claim 2, wherein: the water inlet (21) is positioned at the central part of the water inlet pipe (2), and the two rotating pipes (3) are symmetrically arranged at two sides of the water inlet (21).

4. The spray structure of claim 1, wherein: a gap (32) which is communicated with the water outlet hole (22) and the spray hole (31) is arranged between the inner peripheral wall of the rotating pipe (3) and the outer peripheral wall of the water inlet pipe (2).

5. The spray structure of claim 4, wherein: the water outlet hole (22) extends along the length direction of the water inlet pipe (2).

6. The spray structure of claim 1, wherein: the water inlet pipe (2) is provided with a circle of caulking groove (27) along the circumferential direction, the rotating pipe (3) is provided with an caulking block (33) embedded in the caulking groove (27), and the caulking block (33) can slide along the caulking groove (27).

7. The spray structure according to any one of claims 1 to 5, wherein: one end of the rotating pipe (3) is a closed end, the other end of the rotating pipe is an open end, and the rotating pipe (3) is sleeved on the water inlet pipe (2) from the open end of the rotating pipe.

8. The spray structure of claim 7, wherein: the water inlet pipe (2) comprises a water inlet part (23) positioned at the central part and two water outlet parts (24) connected with two ends of the water inlet part (23), the water inlet (21) is formed in the water inlet part (23), the water outlet hole (22) is formed in the water outlet part (24), the rotating pipe (3) is rotationally sleeved on the water outlet part (24), the outer diameter of the water inlet part (23) is larger than the outer diameter of the water outlet part (24), so that a step part (25) is formed at the joint of the water inlet part (23) and the water outlet part (24), and the open end of the rotating pipe (3) is propped against the step part (25).

9. The spray structure of claim 8, wherein: convex rib (26) are arranged on the peripheral wall of the water outlet part (24) in a protruding mode, an embedded groove (27) is formed between the convex rib (26) and the step part (25), an embedded block (33) embedded in the embedded groove (27) is arranged at the open end of the rotating pipe (3), and the embedded block (33) can slide along the embedded groove (27).

10. The spray structure of claim 9, wherein: the wall surface of the embedded block (33) far away from the closed end of the rotating tube (3) is a first inclined surface (331) which is inclined towards the closed end of the rotating tube (3) along the axial direction of the rotating tube (3), and the wall surface of the convex rib (26) which is inclined towards the closed end of the rotating tube (3) is a second inclined surface (261) which is inclined towards the closed end of the rotating tube (3) along the axial direction of the rotating tube (3).

11. The spray structure of claim 9, wherein: the inner peripheral wall of the rotating pipe (3) is contacted with the convex rib (26).

12. The spray structure of claim 8, wherein: the closed end of the water outlet part (24) is convexly provided with a flange (28) along the radial direction, and the flange (28) is contacted with the inner peripheral wall of the rotating pipe (3).

13. The spray structure of claim 8, wherein: the peripheral wall of the water inlet part (23) is provided with a nozzle (231) penetrating through the wall thickness of the water inlet part.

14. The spray structure of claim 13, wherein: the nozzle (231) is a slit extending along the axial direction of the water inlet pipe (2).

15. A cleaning machine employing the spray structure of any one of claims 1 to 14, characterized in that: the washing device further comprises a box body (1) with a washing cavity (11), and the spraying structure is arranged in the washing cavity (11).

16. The cleaning machine of claim 15, wherein: the spray structure is arranged adjacent to the top of the washing cavity (11).

17. The cleaning machine of claim 16, wherein: still include the delivery pipe (4) of vertical extension that links to each other with inlet tube (2), delivery pipe (4) have with inlet tube (2) water inlet (21) phase fluid communication's first outlet (41), still offer on delivery pipe (4) and be located second outlet (42) of first outlet (41) below, be equipped with in washing chamber (11) with second outlet (42) phase fluid communication's spray arm, still be equipped with in washing chamber (11) along upper and lower direction first bowl basket (6) and second bowl basket (7) that set gradually, spray the top that the structure is located first bowl basket (6), spray arm is located the below of second bowl basket (7).

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