CN218074905U

CN218074905U - A spray arm and cleaning machine for cleaning machine

Info

Publication number: CN218074905U
Application number: CN202221591559.2U
Authority: CN
Inventors: 赵书瀚; 郑峰; 刁硕; 施郑赞; 张昌海; 姜勇; 姚永磊; 毛淼东; 熊堰宏; 韩健健
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2022-12-20
Anticipated expiration: 2032-06-17

Abstract

The utility model relates to a spray arm and cleaning machine for spray arm of cleaning machine, including having the body along the runner of length direction extension, it has a plurality of orifices to open on the roof of this body, and the bottom of body is provided with downwardly extending and the sump pit that is linked together with the runner, thereby the lateral wall of this sump pit is opened to have and is followed circumference extension can spout the delivery port to its below outer lane part with slice water track, and the diapire of sump pit is opened has can vertically its below inner circle partial apopore. The utility model discloses set up the sump pit bottom spraying arm, circumference through the sump pit, bottom are respectively to the different regions injection rivers at the blue top of lower bowl of its below, and outside circle portion sprays can sweep the slice water of large tracts of land, to the column water that circle portion injection dynamics is bigger, not only can improve the cleanliness factor of bowl basket top tableware down, can also put the tableware of the suitable washing degree of difficulty in corresponding region, on the basis that the multi-angle sprayed, the adjustment sprays the dynamics, improves the cleaning performance.

Description

A spray arm and cleaning machine for cleaning machine

Technical Field

The utility model relates to a dish washer technical field specifically indicates a spray arm and cleaning machine for cleaning machine.

Background

For a dish washing machine with large volume and capacity, an upper dish basket and a lower dish basket are usually arranged, a bottom spray arm for spraying the tableware in the lower dish basket above the washing cavity is arranged at the bottom of the washing cavity, and an upper spray arm for spraying the tableware in the upper dish basket above the washing cavity is arranged in the middle of the washing cavity.

For example, the Chinese utility model publication No. CN215820839U, "spray Structure and dishwasher" (application No.: CN 202122290809.0) discloses a structure combining the above-mentioned bottom spray and top spray. For the lower bowl basket positioned in the lower cavity, the spraying is mainly carried out by the spraying arm at the bottom, and the spraying force of the upward spraying water column is weak when the water column reaches the top of the lower bowl basket, so that the tableware cleaning effect on the top of the lower bowl basket is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the first technical problem to provide a spray arm for cleaning machine that can improve the cleaning performance to bowl basket top tableware down to the current situation of prior art.

The utility model discloses the second technical problem that will solve is to prior art's current situation, provides an use the cleaning machine that has above-mentioned spray arm.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

a spray arm for a cleaning machine comprises a body with a flow channel extending along the length direction, wherein the top wall of the body is provided with a plurality of spray holes, the bottom of the body is provided with a water collecting bin which extends downwards and is communicated with the flow channel, the side wall of the water collecting bin is provided with a water outlet which extends along the circumferential direction and can spray to the outer ring part below the water collecting bin in a sheet water track manner, and the bottom wall of the water collecting bin is provided with a water outlet hole which can longitudinally spray to the inner ring part below the water collecting bin.

Preferably, a cylindrical water collecting box is arranged below the body, the water collecting bin is formed in the water collecting box in a hollow mode, and a water passing opening communicated with the water collecting bin is formed in the bottom wall of the body.

Preferably, the delivery port is the elongated opening of following the extension of water catch bowl circumference, delivery port be two and symmetrical arrangement on the periphery wall of water catch bowl. So as to form a large area of flaky water tracks through the water outlet along with the rotation of the body and improve the washing effect on the tableware.

Preferably, the apopore include first apopore, second apopore and third apopore, first apopore is the circular port and is located the central part that catchments the box diapire, the second apopore is rectangular hole and symmetrical arrangement in the both sides of first apopore with the third apopore, second apopore and third apopore all arrange and the opposite direction of slope of the two along the slope of rivers direction. By adopting the structure, the three water outlets respectively spray water columns in different directions and tracks, so that the spraying range can be enlarged, the cleaning dead angle can be eliminated, and the cleaning effect on tableware can be improved.

Preferably, the second apopore is close to first delivery port and arranges, the third apopore is close to second delivery port and arranges, the second apopore inclines to its delivery port of adjacent side from first apopore along the rivers direction, the third apopore inclines along its adjacent delivery port of rivers direction, sees from the cross section, the second apopore uses first apopore to form symmetrical "eight" word column structure as the center with the third apopore. The structure is favorable for forming the spraying area with relatively fixed range and track through the second water outlet hole and the third water outlet hole, and the cleaning effect of the area is improved.

As an improvement, an impeller which can rotate under the impact of water flow so as to alternately open and close the two water outlets is arranged in the water collecting box, and in the states that the first water outlet is opened and the second water outlet is closed, the second water outlet is kept opened, the third water outlet is kept closed or the flow is reduced; and when the second water outlet is opened and the first water outlet is closed, the third water outlet hole is kept opened, the second water outlet hole is kept closed or the flow is reduced. The two water outlets are alternately opened and closed through the impeller, so that the flow and the pressure of water waves sprayed from the water outlets can be increased, and the cleaning effect is improved. The impeller floats up and down under the buoyancy of water, so that the impeller cannot completely seal the second water outlet and the third water outlet for a long time, but intermittently opens and closes or increases the flow of one water outlet and reduces the flow of the other water outlet.

Preferably, the impeller includes a first edge formed in a semicircular shape and a second edge formed in an S-shape and connected end to end with the first edge in a plan view, the impeller is provided with a connecting shaft vertically extending at a central portion of the S-shaped second edge, and a lower end of the connecting shaft is rotatably inserted into the first water outlet hole. By adopting the structure, the S-shaped second edge is beneficial to driving the impeller to rotate under the impact of water flow, and the energy loss is reduced.

Preferably, the outer diameter of the connecting shaft is smaller than the inner diameter of the first water outlet hole, a gap through which water passes is formed between the outer peripheral surface of the connecting shaft and the inner peripheral surface of the first water outlet hole in an assembled state, a limiting ring capable of being abutted and limited against the outer bottom wall of the water collecting box is arranged at the lower end of the connecting shaft, the impeller floats up and down under the buoyancy of water and the power of water spraying in a cleaning process, and a water guide gap with the height automatically adjusted is formed between the upper surface of the limiting ring and the lower surface of the water collecting box. By adopting the structure, the size of the water guide gap is automatically adjusted along with the water flow and the buoyancy of water in the spraying process, so that the angle and the strength of sprayed water are controlled, the cleaning range is diffused, and the cleaning effect is improved.

The utility model discloses in, the periphery wall that the first edge of impeller corresponds is used for controlling the switching in turn of two delivery ports along with its rotation, the diapire of impeller is along with its rotation and control the switching in turn or the flow size regulation of second apopore and third apopore.

The utility model provides a cleaning machine, includes the box and locates last bowl basket on box upper portion, locate the lower bowl basket of box lower part, still includes right above-mentioned spray arm, spray arm can locate in the box with rotating and be located between bowl basket and the lower bowl basket, the roof central authorities of spray arm open have the water inlet that is linked together with the runner.

Compared with the prior art, the utility model has the advantages of: the utility model discloses set up the sump pit bottom spraying arm, circumference through the sump pit, bottom are respectively to the different regions injection rivers at the blue top of lower bowl of its below, and outside circle portion sprays can sweep the slice water of large tracts of land, to the column water that circle portion injection dynamics is bigger, not only can improve the cleanliness factor of bowl basket top tableware down, can also put the tableware of the suitable washing degree of difficulty in corresponding region, on the basis that the multi-angle sprayed, the adjustment sprays the dynamics, improves the cleaning performance.

Drawings

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

FIG. 2 is an assembly view of the body and the water collecting box in the embodiment of the present invention;

FIG. 3 is a schematic view of the structure of FIG. 2 from another angle;

FIG. 4 is a cross-sectional view of FIG. 2;

fig. 5 is a matching view of the water collecting box and the impeller in the embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 5, the spray arm for the cleaning machine of the present embodiment includes a body 5 having a flow channel 500 extending along a length direction, a plurality of spray holes 501 are formed on a top wall of the body 5, and a water inlet 502 communicated with the flow channel 500 is formed at a central portion of the top wall of the body 5.

The bottom of the body is provided with a water collecting bin 51 which extends downwards and is communicated with the flow channel, the side wall of the water collecting bin 51 is provided with a water outlet 511 which extends along the circumferential direction and can spray to the outer ring part below the water collecting bin 51 along a sheet water track, and the bottom wall of the water collecting bin 51 is provided with a water outlet 512 which can longitudinally spray to the inner ring part below the water collecting bin.

Specifically, a cylindrical water collecting box 50 is disposed below the body 5, and the water collecting box 50 is hollow to form a water collecting chamber 51. The bottom wall of the body 5 is provided with a water passing hole 513 which is communicated with the water collecting bin 51, the water outlet 511 is arranged on the side wall of the water collecting box 50, and the water outlet 512 is arranged on the bottom wall of the water collecting box 50.

The water outlets 511 are elongated openings extending along the circumferential direction of the water collecting box 50, and two water outlets 511 are symmetrically arranged on the outer circumferential wall of the water collecting box 50. So as to form a large area of sheet-shaped water track through the water outlet 511 along with the rotation of the body 5, thereby improving the washing effect on the tableware.

The water outlet hole 512 includes a first water outlet hole 5121, a second water outlet hole 5122 and a third water outlet hole 5123, the first water outlet hole 5121 is a circular hole and is located at the central portion of the bottom wall of the water collecting box 50, the second water outlet hole 5122 and the third water outlet hole 5123 are rectangular holes and are symmetrically arranged at two sides of the first water outlet hole 5121, and the second water outlet hole 5122 and the third water outlet hole 5123 are both arranged along the water flow direction in an inclined manner and have opposite inclined directions. By adopting the structure, the three water outlets respectively spray water columns in different directions and tracks, so that the spraying range can be enlarged, the cleaning dead angle can be eliminated, and the cleaning effect on tableware can be improved.

The second outlet hole 5122 is disposed close to the first outlet hole 511a, the third outlet hole 5123 is disposed close to the second outlet hole 511b, the second outlet hole 5122 is inclined from the first outlet hole 5121 to the adjacent first outlet hole 511a along the water flow direction, the third outlet hole 5123 is inclined from the adjacent second outlet hole 511b along the water flow direction, and when viewed from the cross section, the second outlet hole 5122 and the third outlet hole 5123 form a symmetrical "eight" shaped structure with the first outlet hole 5121 as the center. This structure is favorable to forming the spray region that scope and orbit are relatively fixed through second apopore 5122, third apopore 5123, improves the cleaning performance in this region.

In this embodiment, the water collecting box 50 is provided with the impeller 7 which can rotate under the impact of water flow to alternately open and close the two water outlets 511, and the second water outlet 5122 is kept open, the third water outlet 5123 is kept closed or the flow rate is reduced in the states that the first water outlet 511a is opened and the second water outlet 511b is closed; in the state where the second water outlet 511b is opened and the first water outlet 511a is closed, the third water outlet 5123 remains opened, the second water outlet 5122 remains closed, or the flow rate decreases. The two water outlets are alternately opened and closed through the impeller 7, so that the flow and the pressure of water waves sprayed from the water outlets can be increased, and the cleaning effect is improved. Because the impeller 7 floats up and down under the buoyancy of water, the impeller 7 cannot completely seal the second water outlet hole 5122 and the third water outlet hole 5123 for a long time, but intermittently opens and closes or increases the flow of one of the water outlet holes and reduces the flow of the other water outlet hole, and the structure can also alternately control the flow and the pressure of the jet water column in a small area, thereby improving the cleaning effect.

In a plan view, the impeller 7 includes a first edge 72 shaped like a semicircle and a second edge 73 shaped like an S and connected end to end with the first edge 72, the impeller 7 is provided with a connecting shaft 73 extending vertically at a central portion of the S-shaped second edge 72, and a lower end of the connecting shaft 73 is rotatably inserted into the first outlet hole 5121. With the above structure, the S-shaped second edge 72 is beneficial to driving the impeller 7 to rotate under the impact of water flow, and reduces energy loss.

The outer peripheral wall corresponding to the first edge 71 of the impeller 7 of this embodiment rotates along with the impeller to control the alternate opening and closing of the two water outlets 511, and the bottom wall of the impeller 7 rotates along with the impeller to control the alternate opening and closing or flow rate adjustment of the second water outlet 5122 and the third water outlet 5123.

The outer diameter of the connecting shaft 73 is smaller than the inner diameter of the first water outlet hole 5121, a gap 5120 for water to pass through is formed between the outer circumferential surface of the connecting shaft 73 and the inner circumferential surface of the first water outlet hole 5121 in an assembled state, a limiting ring 731 capable of abutting against the outer bottom wall of the water collecting box 50 for limiting is arranged at the lower end of the connecting shaft 73, the impeller 7 floats up and down under the buoyancy of water and the power of water spray in the cleaning process, and a water guide gap 730 with the height automatically adjusted is formed between the upper surface of the limiting ring 731 and the lower surface of the water collecting box 50. By adopting the structure, in the spraying process, the size of the water guide gap 730 is automatically adjusted along with the water flow and the buoyancy of water, so that the angle and the force of sprayed water are controlled, the cleaning range is diffused, and the cleaning effect is improved.

The cleaning machine of this embodiment includes box 1 and locates 1 upper portion of box last bowl basket 2, locate 1 lower part of box lower bowl basket 2, and the spray arm can locate in box 1 with rotating and be located between bowl basket 2 and the bowl basket 3 down. The bottom of the box body 1 is provided with a water pump assembly 8 for supplying water, and a water outlet of the water pump assembly 8 is connected with the body 5 through a water guide pipeline 81.

Directional terms such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the present invention, but these terms are used herein for convenience of description only and are determined based on example orientations shown in the drawings. Because the disclosed embodiments may be oriented in different directions, the directional terms are used for descriptive purposes and are not intended to be limiting, e.g., "upper" and "lower" are not necessarily limited to directions opposite or coincident with the direction of gravity.

Claims

1. A spray arm for a cleaning machine, comprising a body (5) having a flow channel (500) extending along a length direction, wherein a plurality of spray holes (501) are formed on a top wall of the body (5), and the spray arm is characterized in that: the bottom of the body (5) is provided with a water collecting bin (51) which extends downwards and is communicated with the flow channel, the side wall of the water collecting bin (51) is provided with a water outlet (511) which extends along the circumferential direction and can spray to the outer ring part below the water collecting bin in a sheet water track, and the bottom wall of the water collecting bin (51) is provided with a water outlet (512) which can longitudinally spray to the inner ring part below the water collecting bin.

2. The spray arm for a cleaning machine of claim 1, wherein: a barrel-shaped water collecting box (50) is arranged below the body (5), the water collecting bin (51) is formed in the water collecting box (50) in a hollow mode, and a water passing hole (513) communicated with the water collecting bin (51) is formed in the bottom wall of the body (5).

3. The spray arm for a cleaning machine of claim 2 wherein: delivery port (511) are the elongated opening of following collection water box (50) circumference extension, delivery port (511) be two and symmetrical arrangement on the periphery wall of collection water box (50).

4. The spray arm for a cleaning machine of claim 3, wherein: apopore (512) including first apopore (5121), second apopore (5122) and third apopore (5123), first apopore (5121) is the central part of circular port and lie in water catch bowl (50) diapire, second apopore (5122) and third apopore (5123) are the both sides of rectangular hole and symmetrical arrangement at first apopore (5121), second apopore (5122) and third apopore (5123) all arrange and the opposite direction of slope of the two along the slope of rivers direction.

5. The spray arm for a cleaning machine of claim 4 wherein: second apopore (5122) are close to first delivery port (511) and arrange, third apopore (5123) are close to second delivery port (511) and arrange, second apopore (5122) are along the slope of rivers direction from first apopore (5121) to delivery port (511) of its adjacent side, third apopore (5123) are along its adjacent delivery port (511) slope of rivers direction, look from the cross section, second apopore (5122) and third apopore (5123) use first apopore (5121) to form symmetrical "eight" column structure as the center.

6. The spray arm for a cleaning machine of claim 4 wherein: the water collecting box (50) is internally provided with an impeller (7) which can rotate under the impact of water flow so as to alternately open and close the two water outlets (511), and the second water outlet (5122) is kept open, the third water outlet (5123) is kept closed or the flow is reduced when the first water outlet is opened and the second water outlet is closed; and when the second water outlet is opened and the first water outlet is closed, the third water outlet hole (5123) is kept opened, the second water outlet hole (5122) is kept closed or the flow is reduced.

7. The spray arm for a cleaning machine of claim 6 wherein: from a top view, the impeller (7) comprises a semicircular first edge (71) and an S-shaped second edge (72) which is connected with the first edge (71) end to end, the impeller (7) is provided with a connecting shaft (73) which vertically extends at the center of the S-shaped second edge (72), and the lower end of the connecting shaft (73) is rotatably inserted into the first water outlet hole (5121).

8. The spray arm for a cleaning machine of claim 7, wherein: the outer diameter of the connecting shaft (73) is smaller than the inner diameter of the first water outlet hole (5121), a gap (5120) for water to pass through is formed between the outer peripheral surface of the connecting shaft (73) and the inner peripheral surface of the first water outlet hole (5121) in an assembled state, a limiting ring (731) capable of being abutted against and limited by the outer bottom wall of the water collecting box (50) is arranged at the lower end of the connecting shaft (73), the impeller (7) floats up and down under the buoyancy of water and the water spraying power in the cleaning process, and a water guide gap (730) with the height automatically adjusted is formed between the upper surface of the limiting ring (731) and the lower surface of the water collecting box (50).

9. The spray arm for a cleaning machine of claim 7, wherein: the peripheral wall corresponding to the first edge (71) of the impeller (7) rotates along with the impeller to control the alternate opening and closing of the two water outlets (511), and the bottom wall of the impeller (7) rotates along with the impeller to control the alternate opening and closing or flow adjustment of the second water outlet hole (5122) and the third water outlet hole (5123).

10. The utility model provides a cleaning machine, includes box (1) and locates last bowl basket (2) on box (1) upper portion, locates lower bowl basket (3) of box (1) lower part, its characterized in that: the spray arm of any one of claims 1 to 9, wherein the spray arm is rotatably arranged in the box body (1) and is positioned between the upper bowl basket (2) and the lower bowl basket (3), and a water inlet (502) communicated with the flow channel (500) is formed in the center of the top wall of the spray arm.