Waterway structure and dish washing machine

Abstract

The waterway structure comprises a water supply pipe and a water distribution pipe, the water supply pipe is provided with a water supply cavity, a water inlet and a water outlet, the water inlet and the water outlet are communicated with the water supply cavity, the water distribution pipe is provided with a water distribution cavity and a water distribution inlet communicated with the water distribution cavity, and the water distribution inlet is communicated with the water outlet. The water distribution cavity is divided into at least two flow distribution channels, the water distribution pipe is provided with a flow distribution piece at the water distribution inlet, the flow distribution piece divides the water distribution inlet into at least two flow distribution inlets, and the flow distribution inlets are communicated with the flow distribution channels in a one-to-one correspondence mode. The flow dividing piece is movably connected to the water dividing pipe and can change the proportional relation between the sizes of the cross sections of the at least two flow dividing inlets. According to the waterway structure and the dish washing machine, the water flow can be conveniently adjusted.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of kitchen equipment, especially to a waterway structure and dish-washing machine. BACKGROUND

[0002] One of the core structures of the dish-washing machine is its waterway system, which is responsible for delivering water to various parts of the dish-washing machine, including spray arms, nozzles, etc. The spray arms clean tableware by rotating water flow. In order to achieve better cleaning effect, the dish-washing machine will set multiple spray arms at different positions, and the waterway system will supply water to the multiple spray arms. However, the existing structure has weak water flow size adjustment ability for different spray arms, and there is room for improvement. SUMMARY

[0003] In a first aspect, the utility model provides a waterway structure, which can change the size of the filtering channel and facilitate the cleaning of residues in the filtering channel.

[0004] In order to achieve the above-mentioned purpose, the utility model discloses a waterway structure, which comprises a water supply pipe and a water distribution pipe. The water supply pipe has a water supply cavity, a water inlet and a water outlet which are in communication with the water supply cavity. The water distribution pipe has a water distribution cavity and a water distribution inlet which are in communication with the water distribution cavity. The water distribution inlet and the water outlet are in communication. The water distribution cavity is divided into at least two distribution channels. The water distribution pipe is provided with a flow distribution piece at the water distribution inlet. The flow distribution piece divides the water distribution inlet into at least two flow distribution inlets. The flow distribution inlets and the distribution channels are in one-to-one correspondence. The flow distribution piece is movably connected to the water distribution pipe and can change the proportional relationship between the cross-sectional sizes of the at least two flow distribution inlets.

[0005] Optionally, at least part of the flow distribution piece is located in the water distribution cavity. The flow distribution piece comprises a sharp protruding part protruding towards one side of the water distribution inlet.

[0006] Optionally, the flow distribution piece further comprises at least two guide parts connected to the sharp protruding part. Each guide part constitutes at least part of one of the distribution channels.

[0007] Optionally, the guide part extends from the sharp protruding part to the side away from the water distribution inlet and presents an arc shape protruding towards the side away from the water distribution inlet.

[0008] Optionally, the distribution channel comprises a straight main channel arranged at an angle along the central axis of the flow distribution inlet and a transition channel connected between the main channel and the flow distribution inlet. The transition channel extends along a curve. The guide part constitutes at least part of the transition channel.

[0009] Optionally, the flow distribution piece is slidably connected to the water distribution cavity in a direction perpendicular to the central axis of the water distribution inlet.

[0010] Optionally, the water diversion pipe comprises a connected water diversion upper shell and a water diversion lower shell, the water diversion cavity is formed between the water diversion upper shell and the water diversion lower shell, the water diversion lower shell is provided with a water diversion inlet, and the water diversion upper shell and the flow dividing member are in sliding connection.

[0011] Optionally, the water diversion pipe is connected with the water supply pipe through a docking assembly, the docking assembly comprises a first fixing seat connected with the water supply pipe and a second fixing seat connected with the water diversion pipe, the first fixing seat is provided with a first through hole in communication with the water outlet, the second fixing seat is provided with a second through hole in communication with the water diversion inlet, the first fixing seat and the second fixing seat are detachably connected, and the first fixing seat and the second fixing seat are connected to make the first through hole and the second through hole in communication.

[0012] Optionally, the first fixing seat comprises a first sub-seat located on a side of the water supply pipe away from the water diversion pipe and a second sub-seat located on a side of the water supply pipe away from the first sub-seat, and the first sub-seat and the second sub-seat are fixedly connected.

[0013] In a second aspect, the utility model provides a dish washing machine, can be convenient for adjusting the flow size in different spray arms.

[0014] In order to realize the above object, the utility model discloses a dish washing machine, including the water route structure of above -mentioned technical scheme and at least two spray arms connected with the water diversion pipe, the spray arm has the spray cavity, and the spray cavity and the flow dividing channel are in communication.

[0015] Compared with the prior art, the utility model has the beneficial effects that by changing the position of the movable flow dividing member at the water diversion inlet, the proportional relationship between the size of the cross section of different water diversion inlets can be changed, so that the flow and pressure in different flow dividing channels can be adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the explosion structure schematic drawing of the water route structure disclosed by the utility model,

[0017] Figure 2 It is the sectional view of the water route structure disclosed by the utility model,

[0018] Figure 3 It is Figure 2 the local enlarged view of

[0019] Figure 4 It is the local sectional view of the water route structure disclosed by the utility model mainly used for showing the filter flow dividing member.

[0020] Explanation of reference signs: 1, water supply pipe; 10, water supply cavity; 11, water inlet; 12, water outlet; 2, water distribution pipe; 211, upper water distribution shell; 212, lower water distribution shell; 20, water distribution cavity; 21, distribution passage; 201, first distribution passage; 2011, first water distribution outlet; 202, second distribution passage; 2021, second water distribution outlet; 22, water distribution inlet; 23, distribution member; 230, distribution inlet; 231, pointed convex part; 232, guide part; 3, transition passage; 31, main passage; 41, first fixing seat; 411, first sub-seat; 412, second sub-seat; 413, first through hole; 42, second fixing seat; 421, second through hole; 5, spray arm. DETAILED DESCRIPTION

[0021] The application will be further described in detail below with reference to the accompanying drawings.

[0022] The application discloses a waterway structure, referring to Figure 1 , which comprises a water supply pipe 1 and a water distribution pipe 2.

[0023] In the embodiment, the water supply pipe 1 extends vertically from bottom to top, and has a water supply cavity 10, a water inlet 11 and a water outlet 12 which are in communication with the water supply cavity 10. The water inlet 11 is located at the bottom of the water supply pipe 1, and the water outlet 12 is located at a position close to the top of the water supply pipe 1 and on one side surface. The central axis of the water outlet 12 is perpendicular to the extending direction of the water supply pipe 1 from bottom to top.

[0024] The water distribution pipe 2 has a water distribution cavity 20 and a water distribution inlet 22 which are in communication with the water distribution cavity 20. The water distribution inlet 22 and the water outlet 12 are in communication, and the central axes of the water distribution inlet 22 and the water outlet 12 are on the same straight line.

[0025] Referring to Figure 2 and Figure 3 , in the embodiment, the water distribution cavity 20 is divided into two distribution passages 21, which are a first distribution passage 201 and a second distribution passage 202 respectively. The flow directions of the first distribution passage 201 and the second distribution passage 202 are opposite and are substantially along the central axis of the water distribution inlet 22 and the extending direction of the water supply pipe 1 from bottom to top. The water distribution pipe 2 is provided with a first water distribution outlet 2011 at one end which is in communication with the first distribution passage 201, and is provided with a second water distribution outlet 2021 at the other end which is in communication with the second distribution passage 202.

[0026] The water distribution pipe 2 is provided with a distribution member 23 at the water distribution inlet 22. The distribution member 23 divides the water distribution inlet 22 into two distribution inlets 230 which are in one-to-one correspondence with the distribution passages 21.

[0027] In other embodiments, the flow distribution passages 21 can be three or more, and the flow distributor 23 can also divide the flow distribution inlets 230 into the same number as the flow distribution passages 21.

[0028] In order to be able to adjust the flow distribution between the first flow distribution passage 201 and the second flow distribution passage 202, the flow distributor 23 is movably connected to the water distribution pipe 2 and can change the proportional relationship between the cross-sectional sizes of at least two flow distribution inlets 230.

[0029] In this embodiment, the flow distributor 23 includes a pointed protrusion 231 protruding toward the water distribution inlet 22 side and two guide portions 232 connected to the pointed protrusion 231, the guide portions 232 extending from the pointed protrusion 231 away from the water distribution inlet 22 side and protruding in an arc shape away from the water distribution inlet 22 side, and each guide portion 232 constitutes at least part of one flow distribution passage 21.

[0030] The flow distributor 23 is located on the extension line of the water outlet 12 pointing to the flow distribution inlet 230, is arranged opposite to the flow distribution inlet 230, and the pointed protrusion 231 extends close to the flow distribution inlet 230, so that the water flow flowing in from the water distribution inlet 22 can be distributed to the first flow distribution passage 201 and the second flow distribution passage 202 at the pointed protrusion 231.

[0031] The pointed protrusion 231 divides the water distribution inlet 22 into two flow distribution inlets 230, and each guide portion 232 constitutes at least part of one flow distribution passage 21. The first flow distribution passage 201 and the second flow distribution passage 202 each include a straight main passage 31 arranged perpendicular to the center axis of the flow distribution inlet 230 and a transition passage 3 connected between the main passage 31 and the flow distribution inlet 230, the transition passage 3 extending along a curve, and the guide portion 232 constitutes at least part of the transition passage 3. The transition passage 3 can be in an arc shape, a part of a parabola, or a wave shape.

[0032] The flow distributor 23 is slidably connected in the water distribution cavity 20 in a direction perpendicular to the center axis of the water distribution inlet 22, the water distribution cavity 20 is provided with a sliding platform on the inner side wall opposite to the water distribution inlet 22, the flow distributor 23 is slidably connected to the sliding platform, and the sliding platform can be provided with a sliding groove extending in a direction perpendicular to the center axis of the water distribution inlet 22, and the flow distributor 23 is provided with a guide strip partially embedded in the sliding groove and sliding in the sliding groove.

[0033] Locking members for fixing the flow distributor 23 can be arranged between the water distribution pipe 2 and the flow distributor 23, the locking members including locking blocks arranged on one of the sliding groove and the guide strip and locking grooves arranged on the other one, the locking blocks and the locking grooves extending along a direction perpendicular to the extending direction of the sliding groove, and the locking grooves can be arranged in multiple numbers in the extending direction of the sliding groove, so that the position of the flow distributor 23 in the water distribution cavity 20 can be changed and the flow distributor 23 can be kept stable under the impact of water flow. In other embodiments, the flow distributor 23 and the water distribution pipe 2 can be fixed by fasteners or other means.

[0034] In other embodiments, the flow distributor 23 can be connected at the water distribution inlet 22, the flow distributor 23 having two openings of different sizes, by rotating or sliding the flow distributor 23 to change the position of the flow distributor 23 on the water distribution inlet 22, the two openings of different sizes and different flow distribution channels can be connected to form flow distribution inlets 230 of different flow distribution channels, or the connection relationship between the openings of different sizes and the different flow distribution channels can be changed, so that the sizes of the flow distribution inlets 230 of different flow distribution channels can be changed.

[0035] Referring to Figure 1 In order to facilitate assembly and molding, the water distribution pipe 2 includes a water distribution upper shell 211 and a water distribution lower shell 212 connected together, the water distribution cavity 20 is formed between the water distribution upper shell 211 and the water distribution lower shell 212, the water distribution lower shell 212 is provided with the water distribution inlet 22, the flow distributor 23 is arranged on the surface of the water distribution upper shell 211 facing the water distribution inlet 22, and the first water distribution outlet 2011 and the second water distribution outlet 2021 are arranged at the two ends of the water distribution upper shell 211. The water distribution upper shell 211 and the water distribution lower shell 212 are fixed by clamping and blocking.

[0036] The water distribution pipe 2 is connected to the water supply pipe 1 by a docking assembly, the docking assembly including a first fixing seat 41 connected to the water supply pipe 1 and a second fixing seat 42 connected to the water distribution pipe 2.

[0037] The first fixing seat 41 includes a first sub-seat 411 located on the side of the water supply pipe 1 away from the water distribution pipe 2 and a second sub-seat 412 located on the side of the water supply pipe 1 away from the first sub-seat 411, the first sub-seat 411 and the second sub-seat 412 are fixedly connected by bolts, the second sub-seat 412 is provided with a first through hole 413 in communication with the water outlet 12, and a first sealing gasket is arranged between the side of the second sub-seat 412 facing the water supply pipe 1 and the water supply pipe 1 for sealing.

[0038] The second fixed seat 42 is located on the side of the second sub-seat 412 away from the first sub-seat 411, and the second fixed seat 42 is fixed to the water distribution upper shell 211 by bolts. A second sealing gasket is arranged between the second fixed seat 42 and the second sub-seat 412 for sealing. The second fixed seat 42 is provided with a second through hole 421 communicating with the water outlet 22. The first fixed seat 41 is detachably connected to the second sub-seat 412. After the first fixed seat 41 is connected to the second fixed seat 42, the first through hole 413 and the second through hole 421 are communicated.

[0039] One of the second sub-seat 412 and the second fixed seat 42 is provided with a butt joint block, and the other is provided with a butt joint groove and a limiting block. The butt joint groove and the limiting block are arranged in a circumferential direction. After the butt joint block is aligned with the butt joint groove and rotated by a certain angle, the butt joint block is located at the rear side of the limiting block, so that the second sub-seat 412 and the second fixed seat 42 are difficult to be separated in the direction of the central axis of the water outlet 12.

[0040] With reference to Figure 4 The application further discloses a dish washing machine comprising the waterway structure and two spray arms 5 connected to the water distribution pipe 2. The spray arms 5 are provided with spray cavities. The spray cavity of one of the spray arms 5 is communicated with the first branch channel 201, and the spray cavity of the other spray arm 5 is communicated with the second branch channel 202. The spray arms 5 and the water distribution pipe 2 are fixedly connected by threads. Each spray arm 5 is further provided with a small rotating spray arm.

[0041] The above are preferred embodiments of the application, and are not intended to limit the protection scope of the application. Any equivalent changes made on the basis of the structure, shape and principle of the application should be covered by the protection scope of the application.

Claims

1. A water system structure comprising a water supply pipe (1) and a water distribution pipe (2), wherein the water supply pipe (1) has a water supply chamber (10) and an inlet (11) and an outlet (12) communicating with the water supply chamber (10), and the water distribution pipe (2) has a water distribution chamber (20) and a water distribution inlet (22) communicating with the water distribution chamber (20), wherein the water distribution inlet (22) and the outlet (12) are connected, characterized in that, The water distribution chamber (20) is divided into at least two diversion channels (21). The water distribution pipe (2) is provided with a diversion component (23) at the water distribution inlet (22). The diversion component (23) divides the water distribution inlet (22) into at least two diversion inlets (230). The diversion inlets (230) are connected to the diversion channels (21) in a one-to-one correspondence. The diversion component (23) is movably connected to the water distribution pipe (2) and can change the proportional relationship between the cross-sectional sizes of the at least two diversion inlets (230).

2. The waterway structure according to claim 1, characterized in that, At least a portion of the diverter (23) is located within the water distribution chamber (20), and the diverter (23) includes a pointed protrusion (231) protruding toward the water distribution inlet (22).

3. The waterway structure according to claim 2, characterized in that, The diverter (23) further includes at least two guide portions (232) connected to the protrusion (231), each of the guide portions (232) constituting at least a portion of the diverter channel (21).

4. A waterway structure according to claim 3, characterized in that, The guide portion (232) extends from the pointed portion (231) toward the side away from the water inlet (22) and is in an arc shape that protrudes toward the side away from the water inlet (22).

5. A waterway structure according to claim 3, characterized in that, The diversion channel (21) includes a main channel (31) extending in a straight line at an angle to the central axis of the diversion inlet (230) and a transition channel (3) connecting the main channel (31) and the diversion inlet (230), the transition channel (3) extending along a curve, and the guide (232) constituting at least a part of the transition channel (3).

6. A waterway structure according to any one of claims 1-5, characterized in that, The diverter (23) is slidably connected to the water distribution chamber (20) in a direction perpendicular to the central axis of the water distribution inlet (22).

7. A waterway structure according to claim 6, characterized in that, The water distribution pipe (2) includes a connected upper water distribution shell (211) and a lower water distribution shell (212), and the water distribution cavity (20) is formed between the upper water distribution shell (211) and the lower water distribution shell (212). The lower water distribution shell (212) is provided with a water distribution inlet (22), and the upper water distribution shell (211) and the flow divider (23) are slidably connected.

8. A waterway structure according to claim 1, characterized in that, The water distribution pipe (2) is connected to the water supply pipe (1) through a docking assembly. The docking assembly includes a first fixed seat (41) connected to the water supply pipe (1) and a second fixed seat (42) connected to the water distribution pipe (2). The first fixed seat (41) is provided with a first through port (413) communicating with the water outlet (12). The second fixed seat (42) is provided with a second through port (421) communicating with the water distribution inlet (22). The first fixed seat (41) and the second fixed seat (42) are detachably connected. After the first fixed seat (41) and the second fixed seat (42) are connected, the first through port (413) and the second through port (421) are connected.

9. A waterway structure according to claim 8, characterized in that, The first fixed seat (41) includes a first branch seat (411) located on the side of the water supply pipe (1) away from the branch pipe (2) and a second branch seat (412) located on the side of the water supply pipe (1) away from the first branch seat (411). The first branch seat (411) and the second branch seat (412) are fixedly connected.

10. A dishwasher, characterized in that, The waterway structure includes any one of claims 1-9 and at least two spray arms (5) connected to the water distribution pipe (2), wherein the spray arms (5) have spray chambers and the spray chambers are connected to the diversion channel (21).

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