CN211270587U

CN211270587U - Anti-siphon dish washing machine

Info

Publication number: CN211270587U
Application number: CN201921427648.1U
Authority: CN
Inventors: 朱泽春; 李刚灵; 吴清劭; 杨夫健
Original assignee: Joyoung Co Ltd
Current assignee: Hangzhou Jiuchuang Home Appliances Co ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-08-18
Anticipated expiration: 2029-08-30

Abstract

The utility model discloses a dish washer of anti-siphon has solved the problem that the respirator internal water flows back, and the technical scheme who solves this problem mainly includes the inner bag and installs in the respirator in the inner bag outside, and the respirator is equipped with the atmospheric pressure balancing hole with external intercommunication, is located the drainage channel of atmospheric pressure balancing hole below and communicates atmospheric pressure balancing hole and drainage channel's breathing passageway, drainage channel's import and inner bag outlet intercommunication, breathing channel's inside wall is equipped with a plurality of baffles that interlock each other on vertical, adjacent two keep off and flow the board and be not less than among the last projection length of horizontal direction breathing channel's width. The utility model discloses well baffling board has the choked flow effect, and the backward flow water all can receive the baffling board block and can't direct upflow, has prolonged the route of water backward flow, has slowed down the speed that water upwards flows back.

Description

Anti-siphon dish washing machine

Technical Field

The utility model relates to a household electrical appliances technical field, especially a dish washer of anti-siphon.

Background

Dish washer generally adopts the mode that the high temperature sprayed to wash the tableware, can produce a large amount of steam in the washing process, and the accumulation of steam can increase the atmospheric pressure in the dish washer inner bag, and too high atmospheric pressure can pass through inner bag outlet extrusion inner bag with the washing water in the inner bag, in addition, exists under the state of negative pressure in the drainage channel with inner bag outlet intercommunication, also can siphon away the washing water in the dish washer, influences the normal washing of dish washer. For solving above-mentioned problem, the inside and outside atmospheric pressure of inner bag is balanced to current dish washer generally adoption respirator, the respirator includes the atmospheric pressure balancing hole with external intercommunication and the drainage channel who is located atmospheric pressure balancing hole below, be equipped with breathing channel between atmospheric pressure balancing hole and the drainage channel, drainage channel and inner bag outlet intercommunication, need to set up the shutoff piece that prevents the washing sewage backward flow in addition alone in the breathing channel, the shutoff piece sets up the function that one-way switches on usually, therefore, the setting of shutoff piece not only increases the structural complexity of respirator, and easily by the filth adhere to the winding and the motion inefficacy, shutoff piece reliability is lower.

SUMMERY OF THE UTILITY MODEL

The utility model aims to reach the purpose that a dish washer of anti-siphon is provided can the inside and outside atmospheric pressure of balanced inner bag, avoids appearing the siphonage, can block the interior sewage backward flow of respirator again.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a dish washer of anti-siphon, includes the inner bag and installs the respirator in the inner bag outside, the respirator be equipped with the atmospheric pressure balancing hole of external intercommunication, be located the drainage channel of atmospheric pressure balancing hole below and communicate atmospheric pressure balancing hole and drainage channel's breathing passageway, drainage channel's import and inner bag outlet intercommunication, breathing channel's inside wall is equipped with a plurality of baffles that vertically interlock each other and flows the board, adjacent two keep off and flow the sum of the projection length of board on the horizontal direction and be not less than breathing channel's width.

Further, at least part of the free end of the flow baffle is arranged in a downward inclined mode.

Furthermore, the downward inclination angle of the flow baffle is 2-30 degrees.

Furthermore, the inner wall of the breathing passage is also provided with a flow blocking rib for slowing down the upward backflow speed of water flow, and the flow blocking rib is opposite to the free end of the flow blocking plate and forms a circulation opening of the breathing passage.

Furthermore, the drainage channel is a U-shaped channel with a downward opening, the inlet and the outlet of the drainage channel are respectively arranged at two ends of the U-shaped channel, the inner wall of the U-shaped channel is provided with a communication notch close to the outlet of the drainage channel, and the breathing channel is communicated with the drainage channel through the communication notch.

Furthermore, the inner container is also provided with an air outlet for discharging steam of the inner container, the respirator is provided with a steam hole communicated with the air outlet, and the steam hole is communicated with the breathing channel.

Further, be equipped with in the respirator with the steam chamber that holds of steam hole intercommunication, steam holds the chamber and is equipped with the conduction mouth with breathing passageway intercommunication, the conduction mouth is higher than the steam hole.

Further, the lower part of the steam hole is provided with a U-shaped flow guide rib for guiding steam to flow to the conduction port, the U-shaped flow guide rib and the inner wall of the respirator form the steam accommodating cavity, and the conduction port is located at the top of one end, close to the breathing channel, of the U-shaped flow guide rib.

Further, the dishwasher further comprises a shell installed on the outer side of the inner container, the steam hole penetrates through the respirator, the respirator is located between the inner container and the shell, an air outlet communicated with the steam hole is formed in the shell, and the steam hole forms the air pressure balance hole.

Furthermore, a water tank for supplying water to the inner container is further arranged on the outer side of the inner container, a water filling port communicated with the outside atmosphere is arranged on the water tank, a water tank overflow hole communicated with the air pressure balance hole is formed in the water tank, the water tank overflow hole is higher than the air pressure balance hole, and the air pressure balance hole is located right above the breathing channel.

After the technical scheme is adopted, the utility model has the advantages of as follows:

1. firstly, a drainage channel communicated with a water outlet of the inner container is communicated with an air pressure balance hole through a breathing channel, the air pressure in the inner cavity of the inner container is balanced with the outside, the washing water in the inner container is prevented from being pressed out from the water outlet of the inner container due to the pressure difference, namely, the siphon phenomenon is avoided, and the washing water with enough quantity in the dish washing machine is ensured; secondly, the flow baffle plate arranged in the breathing channel has the function of flow resistance, so that the flowing direction of water backflow is disturbed, a large amount of kinetic energy of backflow water is consumed, and the water in the drainage channel is prevented from quickly flowing back upwards to the air pressure balance hole through the breathing channel; finally, the sum of the projection lengths of the two adjacent staggered flow baffle plates in the horizontal direction is not less than the width of the breathing channel, backflow water can be blocked by the flow baffle plates above and cannot flow upwards directly, the path of water backflow is prolonged, the speed of water backflow upwards is further slowed down, and therefore air flow can be guaranteed to balance the air pressure inside and outside the inner container, and sewage backflow can be blocked.

2. The free end downward sloping setting that keeps off the class board for keep off class board self intensity is higher, and in addition, the water backward flow not only receives and keeps off class board at the ascending resistance of vertical side, receives the ascending resistance of horizontal direction moreover, and the choked flow effect is better, has further slowed down the speed that the water flows back.

3. The downward inclination angle alpha of the flow baffle is 2-30 degrees, the length of the flow baffle is reduced under the condition of ensuring the flow blocking effect of a single flow baffle, and enough flow baffles can be arranged in the breathing channel. When alpha is less than 2 degrees, the horizontal blocking force of the flow baffle is too small, when alpha is more than 30 degrees, the length of the flow baffle is too long, the number of the flow baffles which can be arranged in the breathing channel is limited, and the integral flow blocking effect of the flow baffles which are longitudinally distributed in a staggered manner cannot be ensured.

4. The setting up of fender flow muscle has increased the resistance of backward flow water along breathing passageway inner wall upward movement, avoids being close to the backward flow water of breathing passageway inner wall and upwards crawls at the excessive speed, and simultaneously, the aperture that keeps off the flow muscle and the free end that keeps off the class board is formed is little, further slows down the speed that the backward flow water upwards flows in breathing the passageway.

5. The opening of U type passageway is down, and drainage channel's import and export all set up down promptly, and drainage channel's import sets up down, has reduced the length and the degree of buckling of connecting pipe between drainage channel and the inner bag outlet, and the structure is compacter, and drainage channel's export sets up down to drainage channel's export backward flow gets into the backward flow water in the drainage channel and can receive the action of gravity, has slowed down the speed that the backward flow water flows in to breathing passageway.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

FIG. 1 is a partial exploded view of the inner tub and the breather of the dishwasher according to the first embodiment;

FIG. 2 is a structural diagram of a dishwasher liner according to the first embodiment;

FIG. 3 is a view showing the external structure of the respirator in the first embodiment;

FIG. 4 is a view showing the internal structure of the respirator in the first embodiment;

fig. 5 is a partial exploded view of the inner container and the housing of the dishwasher in the second embodiment.

Detailed Description

The first embodiment is as follows:

as shown in fig. 1 to 4, the present embodiment provides an anti-siphon dishwasher, including a liner 1 and a breather 2 installed outside the liner 1, where the breather 2 is provided with an air pressure balancing hole 21 communicated with the outside, a water drainage channel 22 located below the air pressure balancing hole 21, and a breathing channel 20 communicating the air pressure balancing hole 21 with the water drainage channel 22, an inlet of the water drainage channel 22 is communicated with the liner water drainage port 11, the inner side wall of the breathing channel 20 is provided with a plurality of flow baffles 23 staggered with each other in the longitudinal direction, and the sum of the projection lengths of two adjacent flow baffles 23 in the horizontal direction is not less than the width of the breathing channel 20.

Firstly, a drainage channel 22 communicated with the inner container water outlet 11 is communicated with an air pressure balance hole 21 through a breathing channel 20, the air pressure in the inner cavity of the inner container 1 is balanced with the outside, the washing water in the inner container 1 is prevented from being pressed out from the inner container water outlet 11 due to the pressure difference, namely, the siphon phenomenon is avoided, and the washing water with enough quantity in the dish-washing machine is ensured; secondly, the flow baffle plate 23 arranged in the breathing channel 20 has the flow blocking effect, so that the flow direction of water backflow is disturbed, a large amount of kinetic energy of backflow water is consumed, and the water in the drainage channel 22 is prevented from quickly flowing back upwards to the air pressure balancing hole 21 through the breathing channel 20; finally, the sum of the projection lengths of the two adjacent and staggered flow baffles 23 in the horizontal direction is not less than the width of the breathing channel 20, backflow water is blocked by the flow baffle 23 above and cannot flow upwards directly, the path of water backflow is prolonged, and the speed of water backflow upwards is further slowed down, so that air flow is guaranteed to balance air pressure inside and outside the inner container 1, and water backflow is prevented.

In order to prevent the backflow water from rapidly flowing along the length direction of the flow baffle 23, at least a portion of the free end of the flow baffle 23 may be inclined downward. Therefore, the backflow water is not only subjected to the resistance of the flow baffle plate 23 in the vertical direction, but also subjected to the resistance in the horizontal direction, so that the flow blocking effect is better, and the backflow speed of the water is further slowed down. In this embodiment, the downward inclination angle α of the flow baffle 23 is 2 ° to 30 °, and the length of the flow baffle 23 is reduced under the condition that the flow blocking effect of a single flow baffle 23 is ensured, so that enough flow baffles 23 can be arranged in the breathing passage 20. When the α is smaller than 2 °, the horizontal blocking force of the flow baffle 23 is too small, the horizontal flow speed of the return water on the flow baffle 23 is too high, and when the α is larger than 30 °, the length of the flow baffle 23 is too long, the number of the flow baffles 23 which can be arranged in the breathing passage 20 is limited, and the overall flow blocking effect of the flow baffles 23 which are longitudinally distributed in a staggered manner cannot be ensured.

For the further increase to the effect that blocks of backward flow water, the inner wall of breathing passageway 20 can also be equipped with the fender flow muscle 24 that slows down the upward backward flow speed of rivers, keep off flow muscle 24 with the free end of fender flow board 23 sets up relatively and forms breathing passageway 20's circulation mouth 201. The setting of flow blocking rib 24 has increased the resistance of backward flow water along breathing passageway 20 inner wall upward movement, avoids being close to the water of breathing passageway 20 inner wall and climbs upward at the excessive speed, and simultaneously, the bore that flow blocking rib 24 and the free end that keeps off and flow board 23 formed flows mouth 201 is little, further slows down the speed that the backward flow water upwards flows in breathing passageway 20.

The drainage channel 22 is a U-shaped channel with a downward opening, the inlet 221 and the outlet 222 of the drainage channel 22 are respectively arranged at two ends of the U-shaped channel, the inner wall of the U-shaped channel is provided with a communication notch 223 near the outlet 222 of the drainage channel 22, and the breathing channel 20 is communicated with the drainage channel 22 through the communication notch 223. The opening of the U-shaped channel faces downwards, namely the inlet 221 and the outlet 222 of the drainage channel 22 are both arranged downwards, the inlet 221 of the drainage channel 22 is arranged downwards, the length and the bending degree of a connecting pipe between the drainage channel 22 and the liner water outlet 11 are reduced, the structure is more compact, and the outlet 222 of the drainage channel 22 is arranged downwards, so that water flowing back into the drainage channel 22 from the outlet 222 of the drainage channel 22 can be subjected to the action of gravity, and the flowing speed of the return water to the breathing channel 20 is slowed down.

In order to prevent the inner container 1 from causing overhigh internal air pressure of the inner container 1 due to excessive steam, the inner container 1 is also provided with an air outlet 12 for discharging the steam of the inner container 1, the respirator 2 is provided with a steam hole 25 communicated with the air outlet 12, and the steam hole 25 is communicated with the breathing channel 20. Therefore, a part of steam flows to the air pressure balancing hole 21 through the breathing channel 20 and is finally discharged out of the dishwasher, the other part of steam is condensed due to the contact with the inner wall of the breathing channel 20 and the flow blocking plate 23, the condensed liquid flows downwards and flows out through the drainage channel 22, a large amount of steam is prevented from being directly discharged to scald a user, meanwhile, the flow blocking plate 23 which inclines downwards is beneficial to the condensation of water drops at the free end of the flow blocking plate 23 to form water drops, the water drops are gathered enough to drop into the drainage channel 22 under the action of gravity, and the condensation effect and the condensation speed of the steam in the breathing channel 20 are improved.

The respirator 2 is internally provided with a steam accommodating cavity 26 communicated with the steam hole 25, the steam accommodating cavity 26 is provided with a conduction port 27 communicated with the breathing passage 20, and the conduction port 27 is higher than the steam hole 25. The steam flows upwards after flowing into the steam accommodating cavity 26 from the steam hole 25, and the conduction port 27 is higher than the steam hole 25, so that the retention time of the steam in the steam accommodating cavity 26 is shortened, and the steam can flow into the breathing passage 20 quickly. Specifically, a U-shaped flow guiding rib 28 for guiding the steam to flow to the flow guiding opening 27 is arranged below the steam hole 25, the U-shaped flow guiding rib 28 and the inner wall of the respirator 2 form the steam accommodating cavity 26, and the flow guiding opening 27 is located at the top of one end, close to the breathing passage 20, of the U-shaped flow guiding rib 28. When steam in the steam accommodating cavity 26 accumulates to steam hole 25 below, U type water conservancy diversion muscle 28 extrusion steam upwards moves, promotes steam and flows out from the conduction opening 27 that is located U type water conservancy diversion muscle 28 top, and simultaneously, the inner wall of U type water conservancy diversion muscle 28 flows more smoothly, has further accelerated the flow speed of steam.

The outer side of the inner container 1 can be also provided with a water tank 3 for supplying water to the inner container 1, the water tank 3 is provided with a water filling port communicated with the external atmosphere, and a user is prevented from being scalded by steam flowing out of the air pressure balancing hole 21. Water tank overflow hole 31 and atmospheric pressure balance hole 21 intercommunication, when the water tank 3 in add water when full, water flows into in the breathing channel 20 through water tank overflow hole 31 and atmospheric pressure balance hole 21, rethread breathing channel 20 flows into drainage channel 22 and the dish washer of discharging, when steam is too much through atmospheric pressure balance hole 21 discharge, steam carries out the heat exchange through water tank overflow hole 31 entering water tank 3 in and water tank 3 well water and realizes the condensation, thereby avoid steam directly to discharge to the dish washer outside and increase humidity and temperature around the dish washer, user's use is experienced.

In this embodiment, inner bag 1 still is equipped with the water inlet 13 with 3 intercommunications of water tank, for the length and the degree of buckling of the inlet channel 4 that reduce intercommunication water tank 3 and water inlet 13, can be equipped with delivery port 291 on respirator 2 and the interface 292 of intaking that communicates with water tank 3, interface 292 of intaking passes through delivery port 291 and water inlet 13 intercommunication, delivery port 291 is higher than interface 292 of intaking, thereby inlet channel 4 in the 1 outside of inner bag passes through respirator 2 and water inlet 292 intercommunication, simplify inlet channel 4 structure, shorten inlet channel 4's length, dishwasher's manufacturing cost has been reduced.

Example two:

as shown in fig. 5, in this embodiment, the steam flowing out of the air pressure balancing hole 21 may be directly discharged to the outside of the body. Specifically, the dishwasher further comprises a housing 5 installed outside the inner container 1, the steam hole 25 penetrates through the respirator 2, the respirator 2 is located between the inner container 1 and the housing 5, an exhaust port 51 communicated with the steam hole 25 is arranged on the housing 5, and the steam hole 25 forms the air pressure balance hole 21. So that a portion of the steam in the tub 1 is directly discharged out of the dishwasher through the steam hole 25 and the exhaust port 51, and another portion flows into the breathing passage 20 through the steam hole 25, is condensed in the breathing passage 20 to form condensed water, and is finally discharged out of the dishwasher through the drain passage 22.

Other contents not described in this embodiment may refer to embodiment one.

In addition to the preferred embodiments described above, other embodiments of the present invention are also possible, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention, which should fall within the scope of the present invention defined by the appended claims.

Claims

1. The anti-siphon dish washing machine comprises a liner and a respirator installed on the outer side of the liner, and is characterized in that the respirator is provided with an air pressure balance hole communicated with the outside, a water drainage channel located below the air pressure balance hole and a breathing channel communicated with the air pressure balance hole and the water drainage channel, the inlet of the water drainage channel is communicated with a water outlet of the liner, the inner side wall of the breathing channel is provided with a plurality of flow blocking plates which are staggered with each other in the longitudinal direction, and the sum of the projection lengths of the flow blocking plates in the horizontal direction is not smaller than the width of the breathing channel.

2. The anti-siphon dish washing machine as claimed in claim 1, wherein at least a part of the free end of the flow baffle is inclined downward.

3. The anti-siphon dish washer according to claim 2, wherein the flow baffle is inclined downward by an angle of 2 ° to 30 °.

4. The anti-siphon dish washing machine as claimed in claim 1, wherein the inner wall of the breathing passage is further provided with a flow blocking rib for reducing the upward backflow speed of the water, and the flow blocking rib is arranged opposite to the free end of the flow blocking plate and forms the flow opening of the breathing passage.

5. The anti-siphon dish washing machine as claimed in claim 1, wherein the drain channel is a U-shaped channel with an opening facing downwards, the inlet and the outlet of the drain channel are respectively arranged at two ends of the U-shaped channel, the inner wall of the U-shaped channel is provided with a communication gap close to the outlet of the drain channel, and the breathing channel is communicated with the drain channel through the communication gap.

6. The anti-siphon dish washing machine as claimed in any one of claims 1 to 5, wherein the inner container is further provided with an air outlet for discharging steam of the inner container, and the breather is provided with a steam hole communicated with the air outlet, and the steam hole is communicated with the breathing channel.

7. The anti-siphon dish washing machine as claimed in claim 6, wherein a steam accommodating cavity communicated with the steam hole is arranged in the respirator, the steam accommodating cavity is provided with a conduction port communicated with the breathing channel, and the conduction port is higher than the steam hole.

8. The anti-siphon dish washing machine as claimed in claim 7, wherein a U-shaped flow guide rib is arranged below the steam hole and used for guiding steam to flow to the conduction port, the U-shaped flow guide rib and the inner wall of the respirator form the steam accommodating cavity, and the conduction port is arranged at the top of one end, close to the breathing channel, of the U-shaped flow guide rib.

9. The anti-siphon dish washing machine as claimed in claim 6, further comprising a casing installed outside the inner container, wherein the steam hole penetrates through the breather, the breather is located between the inner container and the casing, the casing is provided with an exhaust port communicated with the steam hole, and the steam hole forms the air pressure balance hole.

10. The anti-siphon dish washing machine as claimed in any one of claims 1 to 5, wherein a water tank for supplying water to the inner container is further arranged outside the inner container, the water tank is provided with a water filling port communicated with the outside atmosphere, the water tank is provided with a water tank overflow hole communicated with the air pressure balance hole, the water tank overflow hole is higher than the air pressure balance hole, and the air pressure balance hole is positioned right above the breathing channel.