CN112227018A - Liquid circulation device and washing machine - Google Patents
Liquid circulation device and washing machine Download PDFInfo
- Publication number
- CN112227018A CN112227018A CN201910633776.XA CN201910633776A CN112227018A CN 112227018 A CN112227018 A CN 112227018A CN 201910633776 A CN201910633776 A CN 201910633776A CN 112227018 A CN112227018 A CN 112227018A
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- liquid outlet
- cavity
- liquid
- sealing
- outlet channel
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- 239000007788 liquid Substances 0.000 title claims abstract description 234
- 238000005406 washing Methods 0.000 title claims abstract description 67
- 238000007789 sealing Methods 0.000 claims abstract description 82
- 238000004891 communication Methods 0.000 claims abstract description 32
- 238000005192 partition Methods 0.000 claims abstract description 17
- 239000000654 additive Substances 0.000 claims description 63
- 239000003599 detergent Substances 0.000 claims description 44
- 230000000996 additive effect Effects 0.000 claims description 43
- 230000000903 blocking effect Effects 0.000 claims description 30
- 230000009471 action Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 11
- 238000007599 discharging Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 description 5
- 238000009413 insulation Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000013043 chemical agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004851 dishwashing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/02—Devices for adding soap or other washing agents
- D06F39/022—Devices for adding soap or other washing agents in a liquid state
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
- F16K41/06—Spindle sealings with stuffing-box ; Sealing rings with at least one ring attached to both spindle and housing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
The invention discloses a liquid circulation device and a washing machine, wherein the liquid circulation device comprises a liquid outlet structure and a communication structure, the liquid outlet structure comprises a cavity for liquid to flow out, a liquid outlet channel of the cavity is provided with a partition part, and the partition part divides the liquid outlet channel into a discharge cavity and a sealing cavity; the communicating structure comprises a communicating pipe, the communicating pipe is used for communicating with the discharge cavity, and the sealing cavity is used for sealing the inlet end of the communicating pipe. The liquid outlet channel of the liquid outlet structure comprises a discharge cavity and a sealing cavity, so that residual liquid in the discharge process is only accumulated in the discharge cavity and cannot enter the sealing cavity, the sealing element in the sealing cavity cannot be corroded, and the sealing element is prevented from losing efficacy. Meanwhile, liquid remained in the discharging process is accumulated in the discharging cavity and cannot be discharged to the outside of the liquid outlet structure easily to cause pollution.
Description
Technical Field
The invention relates to the field of washing machines, in particular to a liquid circulating device and a washing machine.
Background
The traditional washing machine needs a user to judge how much detergent is added manually according to experience before washing begins, so that the workload of the user is increased, and incomplete washing or waste is easily caused by improper control of the detergent amount. Therefore, in the related art, an automatic detergent feeding technology is proposed, wherein a detergent dispenser box is filled with a detergent additive box softener for multiple times of washing, and the detergent additive box softener is automatically added according to the requirement during each time of washing. There are also different detergent additive boxes in the detergent dispenser box.
The existing detergent dispenser box includes a detergent additive box for containing detergent additives, which facilitates the replacement of the detergent additives. The user can take out the detergent additive box that finishes not using at any time according to the demand of oneself and change another kind of detergent additive box, very big abundant clothing washing's selectivity.
The application number is 201710248454.4's chinese patent discloses a washing additive box and washing machine, wherein, the washing additive box is equipped with the closed box body of cavity including inside, be equipped with the liquid outlet on the box body, this liquid outlet is used for intercommunication washing machine's input pipeline in order to put in the washing additive to washing machine's washing cavity, sets up the play liquid device in liquid outlet department, the washing additive is installed in the inside cavity of box body, gets into washing machine's input pipeline from the washing additive box through going out the liquid device, the open structure sets up at the tip of input pipeline, but protractile liquid outlet and piston cooperation.
Chinese patent application No. 201710390864.2 discloses a washing additive box and washing machine, and wherein the washing additive box includes the box body, the box body includes the liquid outlet, liquid outlet department detachable is provided with out the liquid structure, and this goes out the liquid structure including going out the liquid unit, it includes the check valve to go out the liquid unit, the check valve includes that one end intercommunication washing machine puts in the drainage channel of pipeline and sets up at drainage channel and piston and reset spring in the drainage channel, drainage channel's the other end intercommunication washing machine's the pipeline of puting in order to put in the washing additive to washing machine's washing cavity, the pipeline of puting in on be provided with the connectivity structure, the connectivity structure sets up at the tip of puting in the pipeline, through deepening the drainage channel in the ejection piston, open drainage channel.
However, in the above invention, when the detergent additive box is to be taken out to replace the detergent additives or replace other detergent additive boxes, the communication structure retreats, and a part of the detergent additives is sucked to the outside of the one-way valve of the liquid outlet device, and may drop in the process of moving the detergent additive box, which affects the use of the user. In the invention, the liquid remained outside the one-way valve of the liquid outlet device is always contacted with the sealing element, and under the condition that the types of the washing additives on the market are complicated and changeable, the situation that part of the washing additives corrode the sealing element frequently occurs, so that the liquid is leaked.
The present invention has been made in view of this situation.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art and provide a liquid circulating device and a washing machine which can not drop washing additives in the moving process.
In order to solve the technical problems, the invention adopts the technical scheme that: a liquid circulation device comprises a liquid outlet structure and a communication structure, wherein a cavity for liquid to flow out is formed in the liquid outlet structure, a liquid outlet channel of the cavity is provided with a partition part, and the partition part divides the liquid outlet channel into a discharge cavity and a sealing cavity; the communicating structure comprises a communicating pipe, the communicating pipe is used for communicating with the discharge cavity, and the sealing cavity is used for sealing the inlet end of the communicating pipe.
Further, the cavity that the liquid flows out still includes the break-make chamber, the break-make chamber sets up the import department of liquid outlet channel, be equipped with the break-make valve in the break-make chamber, the intercommunication structure still includes the push pin, the push pin pushes away the break-make valve removes in order to communicate the break-make chamber with liquid outlet channel.
Preferably, the on-off valve comprises a piston and a return spring, and the piston moves under the action of the return spring to block the on-off cavity and the liquid outlet channel.
Further, the sealing cavity is arranged on the periphery of the discharge cavity; the push pin is arranged in the communicating pipe, a channel for liquid to flow is arranged between the push pin and the communicating pipe, and the push pin is inserted into the discharge cavity to push the on-off valve to move so as to communicate the on-off cavity with the liquid outlet channel.
Furthermore, the discharge cavity is a cylindrical cavity, the seal cavity is an annular cavity, and the discharge cavity is coaxially arranged inside the seal cavity.
Preferably, the length of the sealing cavity extending along the liquid outlet direction is smaller than the length of the discharge cavity extending along the liquid outlet direction.
Preferably, the length of the sealing chamber extending along the liquid outlet direction is 1/2 to 2/3 of the length of the discharge chamber extending along the liquid outlet direction.
Furthermore, the communicating pipe is a circular pipe, and the push pin is coaxially arranged inside the communicating pipe.
Preferably, the push pin is cylindrical, triangular, quadrangular or pentagonal.
Further, the communication structure further comprises at least two groups of sealing elements, and the sealing elements are arranged between the liquid outlet structure and the communication structure in parallel along the moving direction of the communication structure.
Preferably, the sealing element is disposed between the communication pipe and the sealing chamber.
Preferably, the sealing element is a Y-shaped sealing ring.
Furthermore, a blocking part is arranged between the on-off cavity and the liquid outlet channel, the on-off valve and the blocking part are matched to block the on-off cavity and the liquid outlet channel, and the partition part is arranged at the end part of the blocking part.
Preferably, the blocking part is convexly arranged between the on-off cavity and the liquid outlet channel.
Preferably, the blocking part is integrally formed between the on-off cavity and the liquid outlet channel.
Preferably, the blocking portion is integrally formed at an end of the blocking portion.
Preferably, the liquid outlet channel extends from the end of the blocking part to the opening direction of the liquid outlet channel.
The invention also provides a washing machine which comprises the liquid circulating device.
The washing machine further comprises a washing additive box and a feeding pipeline for feeding washing additives into a washing chamber of the washing machine, wherein the washing additive box comprises a liquid outlet, and the feeding pipeline is communicated with the liquid outlet through the liquid circulating device.
Further, the liquid outlet structure is arranged at the liquid outlet, the communicating structure is arranged at an inlet of the feeding pipeline, and an inlet of the communicating pipe is arranged in the sealing cavity.
After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects.
1. The liquid outlet structure can realize the discharge of any chemical preparation including washing additives, and the liquid outlet channel comprises the discharge cavity and the sealing cavity, so that the residual liquid in the discharge process is only accumulated in the discharge cavity and cannot enter the sealing cavity, the sealing element in the sealing cavity is not corroded, and the failure of the sealing element is prevented. Meanwhile, liquid remained in the discharging process is accumulated in the discharging cavity and cannot be discharged to the outside of the liquid outlet structure easily to cause pollution.
2. The residual liquid exists in the discharge cavity, the discharge cavity is smaller than the sealing cavity, the sectional area of the hole is small, the contact area of the liquid is increased when the partition part is not arranged, and the residual liquid is less prone to dropping to the outside of the discharge cavity under the condition of large liquid level tension.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a schematic view of a detergent additive cartridge of the present invention;
FIG. 2 is a sectional view of a liquid outlet structure of the present invention;
FIG. 3 is a schematic view of a liquid flow-through apparatus of the present invention;
FIG. 4 is a cross-sectional view of a liquid flow-through device (communication) of the present invention;
FIG. 5 is a cross-sectional view of a liquid flow device (block-off) of the present invention;
in the figure: 1. a detergent additive box; 11. a liquid outlet; 2. a liquid outlet structure; 21. a liquid outlet channel; 211. a discharge chamber; 212. sealing the cavity; 213. a partition part; 22. switching on and off the cavity; 221. an on-off valve; 23. a plugging section; 24. a liquid inlet cavity; 3. a communicating structure; 31. a communicating pipe; 32. pushing the needle; 4. a sealing element.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The following further describes embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1 to 5, the present invention discloses a liquid circulation device, which comprises a liquid outlet structure 2 and a communication structure 3, wherein the liquid outlet structure 2 is used for discharging the liquid stored in the storage container to the outside of the storage container, the communication structure 3 is matched with the liquid outlet structure 2 to transfer the liquid discharged from the storage container to other components or other containers, preferably, the liquid circulation device is used for washing equipment such as multiple washing machines and dish washing machines, the liquid outlet structure 2 discharges the washing additives stored in the washing additives box 1 to the outside, and the communication structure 3 is communicated with a feeding device of the washing equipment to feed the washing additives into the washing equipment. The liquid outlet structure 2 comprises a cavity for liquid to flow out, a liquid outlet channel 21 of the cavity is provided with a partition 213, and the liquid outlet channel 21 is divided into a discharge cavity 211 and a sealing cavity 212 by the partition 213; the communicating structure 3 comprises a communicating pipe 31, the communicating pipe 31 is used for communicating with the discharge cavity 211, and the sealing cavity 212 is used for sealing the inlet end of the communicating pipe 31, so that the communicating structure 3 is communicated with the liquid outlet channel 21. The liquid outlet structure 2 can realize the discharge of any chemical agent including washing additives, and the liquid outlet channel 21 comprises the discharge cavity 211 and the sealing cavity 212, so that the liquid remained in the discharge process after the liquid outlet structure 2 is separated from the communication structure 3 is only accumulated in the discharge cavity 211 and cannot enter the sealing cavity 212, and further, when the liquid outlet structure and the communication structure are connected again, the sealing element 4 used for sealing the connection between the communication structure 3 and the liquid outlet structure 2 in the sealing cavity 212 is corroded, and the failure of the sealing element 4 is prevented. Meanwhile, the liquid remained in the discharging process is accumulated in the discharging cavity 211 and cannot be easily discharged to the outside of the liquid outlet structure 2 to cause pollution.
Example one
In this embodiment, the liquid outflow cavity further includes an on-off cavity 22, the on-off cavity 22 is disposed at an inlet of the liquid outlet channel 21, an on-off valve 221 is disposed in the on-off cavity 22, the communicating structure 3 further includes a push pin 32, and the push pin 32 pushes the on-off valve 221 to move so as to communicate the on-off cavity 22 with the liquid outlet channel 21. When the communicating structure 3 is inserted into the cavity from which the liquid flows out, the push pin 32 pushes the on-off valve 221 to move in the on-off cavity 22 to communicate the on-off cavity 22 with the liquid outlet channel 21, and the liquid outlet structure 2 can normally discharge the liquid. When the communicating structure 3 is pulled out from the cavity from which the liquid flows out, the on-off valve 221 is not pushed to restore the original position, the space between the on-off cavity 22 and the liquid outlet channel 21 is blocked, and the liquid outlet structure 2 cannot discharge the liquid. Preferably, the on-off valve 221 includes a piston and a return spring, and when the push pin 32 is no longer pushed, the piston moves under the action of the return spring to block the on-off cavity 22 and the liquid outlet channel 21.
In a specific embodiment, the sealing cavity 212 is disposed at the periphery of the discharge cavity 211, the residual liquid exists in the discharge cavity 211, the discharge cavity 211 is smaller than the sealing cavity 212, the cross-sectional area of the hole is small, the contact area of the liquid is increased compared with the case that the partition 213 is not disposed, and the residual liquid is less likely to drop to the outside of the discharge cavity 211 when the liquid level tension is large; the push pin 32 is arranged inside the communication pipe 31, a passage for liquid to flow is arranged between the push pin 32 and the communication pipe 31, the push pin 32 is inserted into the discharge cavity 211 to push the on-off valve 221 to move so as to communicate the on-off cavity 22 with the liquid outlet channel 21, and liquid flows from the on-off cavity 22 to the liquid outlet channel 21 and further flows from the liquid outlet channel 21 to the passage between the push pin 32 and the communication pipe 31.
Preferably, the discharge cavity 211 is a cylindrical cavity, the seal cavity 212 is an annular cavity, and the discharge cavity 211 is coaxially disposed inside the seal cavity 212. The length of the sealing cavity 212 extending along the liquid outlet direction is smaller than that of the discharge cavity 211 extending along the liquid outlet direction; the residual liquid in the discharging process is firstly remained in the discharging cavity 211, and is firstly discharged to the sealing cavity 212 which is longer than the discharging cavity 211 under the action of vibration or other external force, so that the residual liquid cannot be discharged to the outside of the sealing cavity 212, and the pollution is prevented. Specifically, the length of the sealing cavity 212 extending in the liquid outlet direction is 1/2 to 2/3 of the length of the discharge cavity 211 extending in the liquid outlet direction. If the discharge chamber 211 is long, the effect of the seal chamber 212 receiving the residual liquid is small again, and if the discharge chamber 211 is short, the residual liquid falls into the seal chamber 212, and the amount of the liquid stored is large, which tends to corrode and destroy the seal element 4. The opening of the communication pipe 31 is arranged in the sealing cavity 212, and in the process that the communication structure 3 pushes towards the liquid outlet structure 2, the closed air is pushed into the space inside the sealing cavity 212 under the sealing effect of the sealing element 4 between the communication pipe 31 and the sealing cavity 212, so that air insulation is finally formed, the sealing element 4 is protected, air insulation is realized, and the sealing element 4 is prevented from being corroded by residual liquid.
Preferably, the communication pipe 31 is a circular pipe, and the push pin 32 is coaxially disposed inside the communication pipe 31. Preferably, the push pin 32 is cylindrical, triangular, quadrangular or pentagonal.
In a preferred embodiment, a blocking part 23 is arranged between the on-off cavity 22 and the liquid outlet channel 21, the on-off valve 221 and the blocking part 23 are matched to block the on-off cavity 22 and the liquid outlet channel 21, the on-off valve 221 moves to the blocking part 23 and is matched with the blocking part 23 to block the on-off cavity 22 and the liquid outlet channel 21, and liquid cannot be discharged; the on-off valve 221 moves away from the blocking portion 23, the on-off chamber 22 is opened, and the liquid flows to the liquid outlet channel 21 through the on-off chamber 22 and then to the washing machine. The partition 213 is disposed at an end of the blocking portion 23, and extends from the end of the blocking portion 23 toward the opening of the liquid outlet channel 21 to divide the liquid outlet channel 21 into two cavities. Preferably, the blocking portion 23 is convexly disposed between the on-off chamber 22 and the liquid outlet channel 21. Preferably, the blocking part 23 is integrally formed between the on-off cavity 22 and the liquid outlet channel 21; the molding is simple and convenient, and the cost is saved. Further, the partition 213 is disposed at an end of the blocking portion 23, and extends from the end of the blocking portion 23 toward the opening of the liquid outlet channel 21 to divide the liquid outlet channel 21 into two cavities. Preferably, the blocking portion 213 is integrally formed at an end of the blocking portion 23; the molding is simple and convenient, and the cost is saved.
Example two
In this embodiment, the communication structure 3 further includes at least two sets of sealing elements 4, and the sealing elements 4 are arranged between the liquid outlet structure 2 and the communication structure 3 in parallel along the moving direction of the communication structure 3, so that the sealing effect is better. The partition part 213 is arranged to divide the liquid outlet channel 21 into a discharge cavity 211 and a sealing cavity 212, so that the sectional area for sucking liquid is reduced when the communicating structure 3 is pulled, the sectional area for sucking the sealing structure is also reduced, and the sealing effect is better. Preferably, the sealing element 4 is disposed between the communication pipe 31 and the sealing cavity 212, and in the process that the communication structure 3 pushes towards the liquid outlet structure 2, the sealed air after being closed is pushed into the space inside the sealing cavity 212 under the sealing effect of the sealing element 4 between the communication pipe 31 and the sealing cavity 212, so as to form air insulation finally, protect the sealing element 4, realize air insulation, and prevent the residual liquid from corroding the sealing element 4. Preferably, the sealing element 4 is a Y-shaped sealing ring.
EXAMPLE III
In the embodiment, the washing machine comprises a liquid circulation device, wherein the liquid circulation device comprises a liquid outlet structure 2 and a communication structure 3, the liquid outlet structure 2 comprises a cavity for liquid to flow out, a liquid outlet channel 21 of the cavity is provided with a partition part 213, and the partition part 213 divides the liquid outlet channel 21 into a discharge cavity 211 and a sealing cavity 212; the communicating structure 3 comprises a communicating pipe 31, and an inlet of the communicating pipe 31 is arranged in the sealed cavity 212, so that the communicating structure 3 is communicated with the liquid outlet channel 21.
In a further embodiment, the washing machine comprises a washing additive box 1 and a feeding pipeline for feeding washing additives into a washing chamber of the washing machine, wherein the washing additive box 1 comprises a liquid outlet 11, the feeding pipeline is communicated with the liquid outlet 11 through the liquid circulating device, and the washing additives in the washing additive box 1 are sucked into the feeding pipeline as required.
In a preferred embodiment, the liquid outlet structure 2 is arranged at the liquid outlet 11, the communicating structure 3 is arranged at an inlet of the feeding pipeline, and the communicating structure 3 is inserted into the liquid outlet channel 21 of the liquid outlet structure 2 and is communicated with the liquid outlet structure 2;
preferably, the communicating structure 3 is inserted into the liquid outlet channel 21 to push the on-off valve 221 to move and communicate with the liquid outlet structure 2.
In a further embodiment, the liquid outflow cavity further comprises a liquid inlet cavity 24, a suction structure is arranged at the liquid inlet cavity 24, one end of the suction structure is communicated with the cavity inside the detergent additive box 1, and the other end of the suction structure is communicated with the on-off cavity 22; the detergent additive in the detergent additive box 1 is sucked into the on-off chamber 22. Preferably, the suction structure extends towards the bottom wall of the detergent additive box 1, an inlet of the suction structure is arranged towards the bottom wall of the detergent additive box 1, and a gap for liquid to pass through is reserved between the suction structure and the bottom wall, so that the detergent additives in the detergent additive box 1 can be completely sucked, and no waste is generated. Preferably, the bottom wall of the detergent additive box 1 is recessed to form a groove with a position lower than the surface of the bottom wall of the detergent additive box 1 corresponding to the inlet of the suction structure, and the inlet of the suction structure is positioned in the groove and leaves a gap for liquid to pass through with the bottom surface and the side wall of the groove. The groove, corresponding to the inlet of the suction device, on the bottom wall is sunken to form a position lower than the surface of the bottom wall of the detergent additive box 1, plays a role in gathering detergent additives when the residual quantity of the detergent additives is small, and the inlet of the suction device is positioned in the groove, so that the detergent additives can be fully utilized, the detergent additives can be saved to the greatest extent, and waste is avoided. More preferably, the suction structure is a hollow tubular structure, a flow channel is formed inside the suction structure, one end of the flow channel faces the bottom wall of the detergent additive box 1, the other end of the flow channel is communicated with the inlet of the on-off cavity 22, an arc-shaped reversing flow guide channel is formed between the inlet and the outlet of the flow channel, and the reversing position of the flow channel, which corresponds to the inlet of the on-off valve 221, is an outward-expanding arc surface; the radius of the arc surface is larger than that of the flow channel. The reversing position of the flow channel corresponding to the inlet of the on-off cavity 22 is an outward-expanding arc surface, which is beneficial to the flow of the washing additive in the flow channel, and compared with the adoption of a right angle or a corner similar to the right angle at the reversing position, the invention has the advantage that the outward-expanding arc surface at the reversing position is beneficial to the flow of liquid, rather than generating intermittent flow.
Example four
In this embodiment, the liquid outlet structure 2 is detachably disposed at the liquid outlet 11. Specifically, the liquid outlet structure 2 is in threaded connection or clamped connection with the liquid outlet 11. Preferably, the liquid outlet 11 is provided with a connecting end extending out of the box body, the liquid outlet structure 2 comprises a connecting cap, one end of the liquid outlet structure 2 penetrates through the connecting end and extends into the detergent additive box 1, and the other end of the liquid outlet structure is in threaded connection or clamped connection with the connecting end through the connecting cap. The liquid outlet structure 2 and the liquid outlet 11 are preferably in threaded connection, and the threaded connection is simpler and easier to realize, and the reliability is high. The liquid outlet 11 can be arranged to protrude out of the box body and connected with the liquid outlet structure 2 through the protruding part, or can be arranged not to protrude out of the box body, and the liquid outlet structure 2 is inserted into the liquid outlet 11 to be connected with the liquid outlet structure 2 in a penetrating mode. The protruding box body is arranged at the outer side, so that the detachable connection between the protruding box body and the liquid outlet structure 2 is simpler, more convenient and easier to seal, and the detergent additive box 1 is easier to position and limit when being installed on detergent additive installation equipment on a washing machine; the arrangement of the outer side of the box body which does not protrude increases the difficulty of detachable connection and sealing, but the arrangement of the outer side of the box body which does not protrude makes the integral forming of the detergent additive box 1 simpler, and the installation of the detergent additive on the washing machine is more convenient and the appearance is more beautiful. The liquid outlet 11 department is provided with the link that stretches out outside the box body, go out liquid structure 2 including connecting the cap, 2 one end of going out liquid structure runs through the link and stretches into in the box body, and the other end is through connecting cap and link threaded connection or joint, preferred, connect cap and link threaded connection. And the connection is relatively clamped, the threaded connection is simpler, the forming is easy, and the reliability is high. The connecting cap is arranged at the other end of the liquid outlet structure 2, and can be integrally formed on the liquid outlet structure 2, and can also be fixedly connected or detachably connected to the liquid outlet structure 2.
Further, the connection cap is integrally formed at the other end of the liquid outlet structure 2 and is reversely sleeved at the other end at a certain interval, the connection end is clamped between the connection cap and is in threaded connection or clamping connection with the connection cap, and preferably, the connection end 111 is clamped between the connection cap and is in threaded connection with the connection cap. The connecting cap is reversely sleeved on the outer side of the other end of the liquid outlet structure 2, namely, the connecting cap extends in the opposite direction of the end of the liquid outlet structure 2 after radially extending for a certain distance from the other end of the liquid outlet structure 2, the ends are sleeved with each other with a certain distance, and the connecting end extends into a gap between the ends, is clamped between the ends and is in threaded connection or clamping connection with the connecting cap. The connecting end can also be in threaded connection or clamped connection with the other end of the liquid outlet unit. In a preferred embodiment, the connection end can be screwed or clamped with the other end of the liquid outlet unit because the threaded connection is simpler and easier to form and has high reliability.
Connect the cap outside and set up the protruding structure of increase friction to hold between the fingers and connect the cap when easy to assemble, make its simple and convenient installation target in place more.
The above description is only for the preferred embodiment of the present invention, and not intended to limit the present invention in any way, and although the present invention has been disclosed by the preferred embodiment, it is not intended to limit the present invention, and those skilled in the art can make further combinations or substitutions of the above embodiments without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention still fall within the scope of the present invention.
Claims (10)
1. A liquid flow device, comprising:
the liquid outlet structure comprises a cavity for liquid to flow out, a liquid outlet channel of the cavity is provided with a partition part, and the partition part divides the liquid outlet channel into a discharge cavity and a sealing cavity;
the communicating structure comprises a communicating pipe, the communicating pipe is used for communicating with the discharge cavity, and the sealing cavity is used for sealing the inlet end of the communicating pipe.
2. The liquid circulating device of claim 1, wherein the liquid flowing cavity further comprises an on-off cavity, the on-off cavity is arranged at the inlet of the liquid outlet channel, an on-off valve is arranged in the on-off cavity, the communicating structure further comprises a push pin, and the push pin pushes the on-off valve to move so as to communicate the on-off cavity with the liquid outlet channel;
preferably, the on-off valve comprises a piston and a return spring, and the piston moves under the action of the return spring to block the on-off cavity and the liquid outlet channel.
3. A liquid flow-through apparatus according to claim 2, wherein the sealed chamber is disposed at the periphery of the discharge chamber; the push pin is arranged in the communicating pipe, a channel for liquid to flow is arranged between the push pin and the communicating pipe, and the push pin is inserted into the discharge cavity to push the on-off valve to move so as to communicate the on-off cavity with the liquid outlet channel.
4. A liquid flow-through apparatus according to claim 3, wherein the discharge chamber is a cylindrical chamber, the seal chamber is an annular chamber, and the discharge chamber is coaxially disposed within the seal chamber;
preferably, the length of the sealing cavity extending along the liquid outlet direction is smaller than the length of the discharge cavity extending along the liquid outlet direction;
preferably, the length of the sealing chamber extending along the liquid outlet direction is 1/2 to 2/3 of the length of the discharge chamber extending along the liquid outlet direction.
5. The liquid circulating device according to claim 3, wherein the communicating tube is a circular tube, and the push pin is coaxially disposed inside the communicating tube;
preferably, the push pin is cylindrical, triangular, quadrangular or pentagonal.
6. Liquid flow-through device according to any of claims 1-5, wherein the communicating structure further comprises at least two sets of sealing elements arranged side by side between the liquid outlet structure and the communicating structure in the direction of movement of the communicating structure;
preferably, the sealing element is arranged between the communicating pipe and the sealing cavity;
preferably, the sealing element is a Y-shaped sealing ring.
7. A liquid circulating device according to any one of claims 2-3, wherein a blocking part is arranged between the on-off chamber and the liquid outlet channel, the on-off valve and the blocking part are matched to block the on-off chamber and the liquid outlet channel, and the blocking part is arranged at the end part of the blocking part;
preferably, the blocking part is convexly arranged between the on-off cavity and the liquid outlet channel;
preferably, the blocking part is integrally formed between the on-off cavity and the liquid outlet channel;
preferably, the blocking portion is integrally formed at an end of the blocking portion;
preferably, the liquid outlet channel extends from the end of the blocking part to the opening direction of the liquid outlet channel.
8. A washing machine comprising a liquid circulation device according to any one of claims 1 to 7.
9. A washing machine as claimed in claim 8 comprising a detergent additive box, and further comprising a dosing line for dosing detergent additive into a washing chamber of the washing machine, the detergent additive box comprising a liquid outlet, the dosing line being in communication with the liquid outlet via the liquid flow-through device.
10. The washing machine as claimed in claim 9, wherein the liquid outlet structure is disposed at the liquid outlet, the communication structure is disposed at an inlet of the feeding pipe, and an inlet of the communication pipe is disposed in the sealing chamber.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910633776.XA CN112227018B (en) | 2019-07-15 | 2019-07-15 | Liquid circulation device and washing machine |
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| CN201910633776.XA CN112227018B (en) | 2019-07-15 | 2019-07-15 | Liquid circulation device and washing machine |
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| CN112227018A true CN112227018A (en) | 2021-01-15 |
| CN112227018B CN112227018B (en) | 2024-05-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023279949A1 (en) * | 2021-07-07 | 2023-01-12 | 重庆海尔滚筒洗衣机有限公司 | Washing machine and control method thereof |
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| CN112227018B (en) | 2024-05-28 |
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