CN107119423B - Washing machine door end spraying device, working method and washing machine - Google Patents
Washing machine door end spraying device, working method and washing machine Download PDFInfo
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- CN107119423B CN107119423B CN201710201466.1A CN201710201466A CN107119423B CN 107119423 B CN107119423 B CN 107119423B CN 201710201466 A CN201710201466 A CN 201710201466A CN 107119423 B CN107119423 B CN 107119423B
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- 238000005507 spraying Methods 0.000 title claims abstract description 47
- 238000005406 washing Methods 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 86
- 239000007921 spray Substances 0.000 claims abstract description 30
- 238000007789 sealing Methods 0.000 claims description 18
- 230000000903 blocking effect Effects 0.000 claims description 12
- 230000009471 action Effects 0.000 claims description 7
- 238000011017 operating method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 238000009423 ventilation Methods 0.000 abstract 1
- 239000006260 foam Substances 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000003599 detergent Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 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
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/088—Liquid supply arrangements
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- 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
- D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
- D06F35/005—Methods for washing, rinsing or spin-drying
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention provides a washing machine door end spraying device, a working method and a washing machine, wherein the door end spraying device comprises a spraying pipe communicated with a water inlet pipe and a nozzle arranged at the tail end of the spraying pipe, an electromagnetic valve is arranged between the spraying pipe and the water inlet pipe, a vent pipe with a vent hole is connected to the spraying pipe, a vent valve capable of opening and closing the vent hole is arranged in the vent pipe, and the opening and closing states of the vent valve and the electromagnetic valve are opposite. The electromagnetic valve is opened, the ventilation valve is closed, and water flows through the spray pipe and is sprayed out through the nozzle; when the solenoid valve was closed, the breather valve was opened, and the shower communicates with the external world in breather pipe department this moment for the water that remains in the shower flows through the nozzle, can in time discharge the residual water like this, has avoided the residual water to the influence of user, clothing, guarantees the washing effect, improves customer satisfaction.
Description
Technical Field
The invention belongs to the technical field of washing machines, and particularly relates to a door end spraying device of a washing machine, a working method of the door end spraying device and the washing machine with the door end spraying device.
Background
In the washing process of the drum washing machine, due to gaps, water flow angles and the like, washing powder foams, thread scraps and the like are attached to the observation window and the window pad; the problems of washing effect, clothes pollution and the like are seriously influenced due to the existence of foam and residual detergent, specifically, the clothes are easily polluted again when being taken out, and residual threads, silt and the like in the clothes washing are easily accumulated in the window pad, so that bacteria are easily bred, and the washing effect and the healthy life are influenced.
To the problem that has remaining detergent and foam between observation window and window pad sealing washer, generally take to connect a door end through the solenoid valve and spray rivers when intaking, directly connect window pad upper portion, rivers can flow the foam on the observation window and the window pad and wash on the observation window during intaking, avoid secondary pollution. The electromagnetic valve of the door end spraying pipeline is at a certain distance from the nozzle, the electromagnetic valve is close to the back of the machine at the rear end, the spraying nozzle is close to the observation window at the front end, the electromagnetic valve is connected with the observation window through a hose after spraying is finished, the electromagnetic valve is closed, the hose connected with the electromagnetic valve is in a sealing state, and the hose cannot flow out due to the tension action of water. When opening door and window and getting the clothing, because remaining water can flow in the vibrations shower, drench hand and arm or clothes to the residual water that does not flow breeds the bacterium easily, influences the washing effect, reduces customer satisfaction.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the spraying device at the door end of the washing machine, which can discharge residual water in time, ensure the washing effect and improve the customer satisfaction.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
the utility model provides a washing machine door end spray set, includes the shower and the nozzle of setting at the shower end that communicate with the inlet tube, is equipped with the solenoid valve between shower and inlet tube connect the breather pipe that has the blow vent on the shower, but be equipped with the switching in the breather pipe the breather valve of blow vent, the breather valve with the open and close state of solenoid valve is opposite.
Furthermore, the spray pipe comprises a horizontal section connected with the electromagnetic valve and a descending section extending downwards to the spray nozzle along the horizontal section, and the vent pipe is arranged on the horizontal section.
Furthermore, the breather pipe is connected with the upper end pipe wall of horizontal segment.
Furthermore, after the electromagnetic valve is opened, water flow with certain pressure flows into the spraying pipe, and air at the lower part of the vent pipe is increased by extrusion pressure to push the vent valve to close the vent hole.
Further, the vent valve include with blow vent assorted end cap, hold the push pedal and be located end cap and the spliced pole that holds between the push pedal, hold the push pedal edge with certain air current clearance of passing through has between the inner wall of breather pipe.
Further, the lower extreme of end cap is equipped with along the fender edge of radial extension, keep off the diameter on edge and be greater than the diameter of blow vent, keep off and be equipped with the sealing washer between the lower terminal surface of edge and blow vent.
Furthermore, a supporting plate used for supporting the vent valve is arranged in the vent pipe, a through hole is formed in the supporting plate, and the connecting column can be located in the through hole in an up-and-down moving mode.
Furthermore, a return spring is arranged between the blocking column and the supporting plate.
Further, when the vent valve is closed, the sealing air pressure in the vent pipe is the same as the water pressure in the vent pipe, and the supporting plate stops the bearing plate from moving upwards continuously.
Furthermore, a certain distance is reserved between the bearing plate and the lower port of the vent pipe, and the water level in the vent pipe is lower than the position of the bearing plate in the opening state of the electromagnetic valve.
Based on the washing machine door end spraying device, the invention also provides a working method of the washing machine door end spraying device, which can discharge residual water in time, ensure the washing effect and improve the customer satisfaction.
The working method of the door end spraying device of the washing machine comprises the following steps:
A. when the electromagnetic valve is opened, water flow with certain pressure flows into the spray pipe, the vent valve is pushed to move upwards to close the vent hole, and the water flow is sprayed out from the spray pipe through the nozzle to clean the inner side of the door body of the washing machine;
B. when the solenoid valve is closed, the water pressure in the spray pipe is reduced, the vent valve is reset to open the vent hole, so that the outside is communicated with the vent pipe, and further communicated with the spray pipe, and residual water in the spray pipe is discharged through the nozzle.
Further, in the step a, a water flow with a certain pressure flows into the spraying pipe, air in the spraying pipe is extruded and discharged outwards through the nozzle, meanwhile, the extruded air pushes the bearing plate to move upwards, and the vent valve is closed; a portion of the air is now trapped within the vent tube and the sealed air pressure within the vent tube is greater than the ambient atmospheric pressure.
Further, in step B, after the electromagnetic valve is closed, the water pressure in the shower pipe is reduced, the air pressure in the vent pipe is reduced, and the vent valve is moved downward to open the vent under the action of the return spring.
Based on the door end spraying device of the washing machine, the invention also provides the washing machine with the door end spraying device, which can discharge residual water in time, ensure the washing effect and improve the customer satisfaction.
A washing machine comprises an outer barrel, a door body capable of sealing the outer barrel and a water inlet pipe, wherein the water inlet pipe is connected with a door end spraying device used for spraying the inner side of the door body.
The invention provides a washing machine door end spraying device, wherein a vent pipe with a vent hole is connected on a spraying pipe, a vent valve capable of opening and closing the vent hole is arranged in the vent pipe, and the opening and closing states of the vent valve and an electromagnetic valve are opposite; when the electromagnetic valve is opened, the vent valve is closed, and water flows through the spray pipe and is sprayed out through the nozzle; when the solenoid valve was closed, the breather valve was opened, and the shower communicates with the external world in breather pipe department this moment for the water that remains in the shower flows through the nozzle, can in time discharge the residual water like this, has avoided the residual water to the influence of user, clothing, guarantees the washing effect, improves customer satisfaction.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of a door end spraying device of a washing machine according to the present invention;
FIG. 2 is an enlarged schematic view of the air pipe and the shower pipe in FIG. 1;
FIG. 3 is an enlarged view of the vent pipe of FIG. 2;
FIG. 4 is an enlarged schematic view of the vent pipe of FIG. 3;
FIG. 5 is an enlarged schematic view of the vent valve of FIG. 3;
FIG. 6 is a schematic view showing a state immediately after the solenoid valve is opened;
FIG. 7 is a schematic view of the solenoid valve in an open state;
FIG. 8 is a schematic view showing a state immediately after the solenoid valve is closed;
fig. 9 is a schematic view of the working state after the electromagnetic valve is closed.
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 of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "inner", "upper", "lower", "front", "rear 40", etc. indicate orientations or positional relationships based on 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 device or element referred to 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.
Referring to fig. 1 to 9, which are one embodiment of a door end spraying device of a washing machine according to the present invention, the drum washing machine includes a cabinet (not shown), an outer tub 10 and a drum 20, which are installed in the cabinet, wherein an openable door 30 is provided on a front panel of the cabinet, the door 30 is sealed with the outer tub 10 after the door 30 is closed, a water inlet pipe 40 is provided at an upper end of a rear portion of the cabinet, and tap water is supplied to the washing machine through the water inlet pipe 40, and a door end spraying device communicated with the water inlet pipe 40 is provided to spray the inner side of the door 30.
In the embodiment, referring to fig. 1 and 2, the door end spraying device of the washing machine comprises a spraying pipe 1 communicated with a water inlet pipe 40 and a nozzle 2 arranged at the tail end of the spraying pipe 1, an electromagnetic valve 3 is arranged between the spraying pipe 1 and the water inlet pipe 40, a vent pipe 4 with a vent hole 41 is connected to the spraying pipe 1, a vent valve 5 capable of opening and closing the vent hole 41 is arranged in the vent pipe 4, and the opening and closing state of the vent valve 5 is opposite to that of the electromagnetic valve 3. Specifically, when the electromagnetic valve 3 is opened, the vent valve 5 is closed, and at the moment, water flows through the spray pipe 1 and is sprayed out through the nozzle 2; when solenoid valve 3 closed, remain the water of remaining in shower 1 and be sealed intraductally, vent valve 5 opens this moment for shower 1 is in 4 departments of breather pipe and external intercommunication, makes the water of remaining in shower 1 flow through nozzle 2, can in time discharge the residual water like this, has avoided the residual water to the influence of user, clothing, guarantees the washing effect, improves customer satisfaction.
In the embodiment, referring to fig. 1, the shower pipe 1 includes a horizontal section 11 connected to the solenoid valve 3, and a descending section 12 extending downward to the spray nozzle 2 along the horizontal section 11, and the vent pipe 4 is disposed on the horizontal section 11 and connected to the upper end pipe wall of the horizontal section 11, that is, the vent pipe 4 is disposed at the inlet end of the shower pipe and is located at the highest point of the shower pipe 1, so that after the vent pipe 4 is opened, the shower pipe 1 is in external communication at the vent pipe 4, and the nozzle 2 is also in external communication, so that the residual water in the shower pipe 1 between the nozzle 2 and the vent pipe 4 flows from high to low along the shower pipe under the action of gravity, that is, flows to the nozzle 2; meanwhile, as the vent pipe 4 is arranged on the horizontal section 11 and is connected with the upper pipe wall of the horizontal section 11, the water in the horizontal section also flows to the descending section 12 and flows out through the nozzle 2.
The vent valve 5 can adopt an automatic control valve controlled to act through a control circuit, and preferably, the action of the vent valve 5 is slightly delayed from that of the electromagnetic valve 3, so that when a water path of the shower pipe 1 is unblocked, namely the water pressure in the shower pipe 1 is high, the vent pipe 4 is in a closed state, and water flow is prevented from flowing out of the vent pipe 4.
In order to reduce the cost, the vent valve 5 is a valve that is pushed by the pressure in the pipe. Specifically, as shown in fig. 6, when the solenoid valve 3 is opened, a water flow with a certain pressure flows into the shower pipe 1, air in the shower pipe 1 is squeezed and discharged outward through the nozzle, and the squeezed air pushes the vent valve 5 to move upward, so as to close the vent hole 41; at this time, a part of air is sealed in the vent pipe 4, and the sealing air pressure in the vent pipe 4 is greater than the external atmospheric pressure; the vent 41 is arranged at the top end of the vent pipe 4, a part of air is sealed in the vent pipe 4 and moves upwards under the push of water flow, finally, compressed air in the vent pipe 4 is positioned at the upper part of the vent pipe 4, the sealing air pressure in the vent pipe 4 is the same as the water pressure in the vent pipe 4, the pressure balance is achieved, the sealing air can not be compressed any more, and water can not reach the vent 41, so that the condition that water can not flow out of the vent 41 is ensured.
In this embodiment, referring to fig. 3 and 5, the vent valve 5 includes a plug 51 matching with the vent 41, a support plate 52, and a connecting column 53 located between the plug 51 and the support plate 52, and a certain gap for air flow to pass through is provided between the edge of the support plate 52 and the inner wall of the vent pipe 4; when gas or liquid with a certain pressure impacts the bearing plate 52, although there is a slight leakage at the gap between the edge of the bearing plate 52 and the inner wall of the vent pipe 4, the pressure applied to the bearing plate 52 is sufficient to push the vent valve 5 to move upward to close and move downward to open.
In the present embodiment, referring to fig. 3 and 5, the plug 51 has a cylindrical body 511 matching with the air vent 41, a conical cap 512 disposed at the upper end of the cylindrical body 511, and a blocking edge 513 disposed at the lower end of the cylindrical body 511 and extending along the radial direction; the tapered cap 512 acts as a guide to increase the smoothness of the upward movement of the plug 51 as the plug 51 moves upward to close the vent opening 41. In order to ensure the sealing performance between the plug 51 and the vent 41, the diameter of the blocking edge 513 is larger than that of the vent 41, a sealing ring 54 is arranged between the blocking edge 513 and the lower end surface of the vent 41, and the sealing ring 54 is sleeved on the cylindrical body 511 and is in contact with the blocking edge 513; when the plug 51 moves upward, the sealing ring 54 is pressed between the blocking edge 513 and the lower end surface of the vent 41, so that the plug 51 and the vent 41 are sealed, that is, the vent pipe 4 is sealed from the outside.
In order to ensure the movement track of the vent valve 5 in the vent pipe 4, a supporting plate 42 for supporting the vent valve 5 is arranged in the vent pipe 4, a through hole is arranged on the supporting plate 42, and a connecting column 53 can be vertically moved and is positioned in the through hole; and a return spring 55 is provided between the blocking post 51 and the support plate 42. Preferably, when the vent valve 5 is closed, the support plate 42 stops the thrust plate 42 from moving further upward; that is, the vent valve 5 moves upward a certain distance to seal between the plug 51 and the vent 41, the support plate 52 contacts the support plate 42, the pressure acting on the support plate 42 is transmitted to the support plate 52, and the support plate 52 cannot move upward the vent valve 5; therefore, the situation that a large force acts between the plug 51 and the lower end face of the vent hole 41, the sealing ring 54 is stressed excessively, the sealing ring 54 is damaged and the like is avoided, the sealing between the plug 51 and the vent hole 41 is not tight, and water flows out of the vent hole 41.
If the electromagnetic valve 3 is in an open state, water passes through the bearing plate 52 and reaches the position above the bearing plate 52, so that after the electromagnetic valve 3 is closed, the water level in the vent pipe 4 falls back, a water film is possibly formed at a gap between the edge of the bearing plate 52 and the inner wall of the vent pipe 4, external air cannot enter the spray pipe 1, and residual water in the spray pipe 1 cannot flow out; at the same time, the water level may reach the return spring 55, causing rusting and corrosion of the return spring 55. Therefore, in this embodiment, by setting the distance between the bearing plate 52 and the lower port of the vent pipe 4, it is ensured that the water level in the vent pipe 4 is lower than the bearing plate 52 in the open state of the electromagnetic valve 3; the distance between the support plate 52 and the lower port of the vent pipe 4 is determined mainly by the water pressure, the upward movement distance of the support plate 52 when closed, and the distance between the plug 51 and the support plate 53.
Specifically, as shown in fig. 6, when the electromagnetic valve 3 is opened, a water flow with a certain pressure flows into the shower pipe 1, air in the shower pipe 1 is extruded and discharged outwards through the nozzle, and the extruded air reaches the bearing plate 52, and gives an upward thrust to the bearing plate 52, so that the bearing plate 52 drives the entire vent valve 5 to move upwards, and the blocking column 51 closes the vent hole 41; at this time, the return spring 55 is in a stretched state, a part of air is sealed in the vent pipe 4, and moves upward under the push of water flow, and is further compressed, and a part of gas reaches the upper part of the bearing plate 52 through the gap between the bearing plate 52 and the inner wall of the vent pipe 4, only when the pressure of the sealing gas in the vent pipe 4 is equal to the water pressure, the sealing gas is not compressed, as shown in fig. 7, that is, the water level in the vent pipe 4 does not rise any more, and the water level in the vent pipe 4 is lower than the position of the bearing plate 52 after the vent valve 5 is closed by setting the distance between the bearing plate 52 and the lower port of the vent pipe 4.
Referring to fig. 8 and 9, after the electromagnetic valve 3 is closed, the water pressure in the shower pipe 1 is reduced, the water pressure in the vent pipe 4 is also reduced, the water level is lowered, at this time, the volume of the compressed air in the vent pipe 4 is increased, and the air pressure is reduced, in the process, the compressed air at the upper part of the bearing plate 52 in the vent pipe 4 has a certain downward thrust on the bearing plate 52, and the vent valve 5 is moved downward under the pulling of the return spring, as shown in fig. 1 and 2, the vent hole 41 is opened, so that the outside is communicated with the vent pipe 4 and further communicated with the shower pipe 1, and the residual water in the shower pipe 1 is discharged through the nozzles under the action of gravity.
The working method of the door-end spraying device in the embodiment is described as follows:
A. when the electromagnetic valve 3 is opened, water flow with certain pressure flows into the spray pipe 1, the vent valve 5 is pushed to move upwards to close the vent 41, and the water flow is sprayed out along the spray pipe 1 through the nozzle 2 to clean the inner side of the door 30 of the washing machine.
Specifically, when the door end spraying device needs to be started, the control circuit of the washing machine drives the electromagnetic valve 3 to be opened, as shown in fig. 6, at this time, the water inlet pipe 40 is communicated with the spraying pipe 1, water flow with certain pressure flows into the spraying pipe 1, air in the spraying pipe 1 is extruded and discharged outwards through the nozzle, meanwhile, the extruded air reaches the bearing plate 52, an upward thrust is given to the bearing plate 52, the bearing plate 52 drives the whole vent valve 5 to move upwards, so that the blocking column 51 closes the vent hole 41, and the vent pipe 4 is sealed, as shown in fig. 7; the water of the shower pipe 1 flows through the horizontal section 11 and the descending section 12 and is sprayed out through the nozzle 2.
B. After the electromagnetic valve 3 is closed, the water pressure in the spraying pipe 1 is reduced, the vent valve 5 opens the vent hole 41, so that the outside is communicated with the vent pipe 4 and further communicated with the spraying pipe 1, and residual water in the spraying pipe 1 is discharged through the nozzle 2.
Specifically, when spraying is not needed, the electromagnetic valve 3 is controlled to be closed, as shown in fig. 8, at this time, the water pressure in the spraying pipe 1 is reduced, the water pressure in the vent pipe 4 is also reduced, and the water level is lowered; in the process, the compressed air on the upper portion of the pushing plate 52 in the vent pipe 4 has a certain downward thrust on the pushing plate 52, and under the pulling of the return spring, the vent valve 5 moves downward, the vent hole 41 is opened, as shown in fig. 9, so that the outside is communicated with the vent pipe 4 and further communicated with the shower pipe 1, and the residual water in the shower pipe 1 is discharged through the nozzle 2 under the action of gravity.
The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.
Claims (9)
1. A washing machine door end spray set, including the shower communicated with inlet tube, and set up the spray nozzle in the end of shower, there are electromagnetic valves between shower and inlet tube, characterized by that, connect the breather pipe with air vent on the said shower, there are breather valves that can open and close the said air vent in the said breather pipe, the said breather valve is opposite to open and close state of the said electromagnetic valve; the vent valve comprises a plug matched with the vent hole, a bearing plate and a connecting column positioned between the plug and the bearing plate, and a gap through which air flow can pass is formed between the edge of the bearing plate and the inner wall of the vent pipe; and in the opening state of the electromagnetic valve, the water level in the vent pipe is lower than the bearing plate.
2. The door end sprayer assembly of claim 1, wherein the spray tube includes a horizontal section connected to the solenoid valve and a drop section extending down the horizontal section to a spray nozzle, the vent tube being disposed on the horizontal section.
3. The door-end sprayer according to claim 1, wherein when the solenoid valve is opened, a pressurized water flow flows into the spray pipe, and air at the lower portion of the vent pipe is pressurized to push the vent valve to close the vent hole.
4. The door end spray device according to any one of claims 1 to 3, wherein the lower end of the plug is provided with a radially extending blocking edge, the diameter of the blocking edge is larger than that of the vent, and a sealing ring is arranged between the blocking edge and the lower end face of the vent.
5. The door end spray device according to any one of claims 1 to 3, wherein a support plate for supporting a vent valve is provided in the vent pipe, the support plate is provided with a through hole, and the connecting column is located in the through hole in a manner of moving up and down.
6. A method of operating a door end sprinkler according to any one of claims 1 to 5, having the steps of:
A. when the electromagnetic valve is opened, water flow with certain pressure flows into the spray pipe, the vent valve is pushed to move upwards to close the vent hole, and the water flow is sprayed out from the spray pipe through the nozzle to clean the inner side of the door body of the washing machine;
B. when the solenoid valve is closed, the water pressure in the spray pipe is reduced, the vent valve is reset to open the vent hole, so that the outside is communicated with the vent pipe, and further communicated with the spray pipe, and residual water in the spray pipe is discharged through the nozzle.
7. The operating method of the door-end shower device according to claim 6, wherein in step a, a water flow having a certain pressure flows into the shower pipe, air in the shower pipe is compressed and discharged outward through the nozzle, and the compressed air pushes the bearing plate to move upward, and the air vent valve is closed; a portion of the air is now trapped within the vent tube and the sealed air pressure within the vent tube is greater than the ambient atmospheric pressure.
8. The method of claim 6, wherein in step B, when the solenoid valve is closed, the water pressure in the shower pipe is reduced, the air pressure in the vent pipe is reduced, and the vent valve is moved downwards to open the vent hole under the action of the return spring.
9. A washing machine comprising an outer tub, a door capable of closing the outer tub, and a water inlet pipe, wherein a door end spraying device according to any one of claims 1 to 5 for spraying the inside of the door is connected to the water inlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710201466.1A CN107119423B (en) | 2017-03-30 | 2017-03-30 | Washing machine door end spraying device, working method and washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710201466.1A CN107119423B (en) | 2017-03-30 | 2017-03-30 | Washing machine door end spraying device, working method and washing machine |
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| Publication Number | Publication Date |
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| CN107119423A CN107119423A (en) | 2017-09-01 |
| CN107119423B true CN107119423B (en) | 2021-10-22 |
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| CN201710201466.1A Active CN107119423B (en) | 2017-03-30 | 2017-03-30 | Washing machine door end spraying device, working method and washing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110453450B (en) * | 2018-05-08 | 2022-02-25 | 青岛海尔洗涤电器有限公司 | Drum washing machine |
| US20220064844A1 (en) * | 2018-12-19 | 2022-03-03 | Qingdao Haier Drum Washing Machine Co., Ltd. | Air washing apparatus used for laundry processing device, and laundry processing device |
| CN111334989B (en) * | 2018-12-19 | 2022-04-08 | 青岛海尔洗涤电器有限公司 | Clothes treating apparatus |
| CN111485396B (en) * | 2019-01-29 | 2022-07-29 | 重庆海尔滚筒洗衣机有限公司 | Observation window applied to drum washing machine |
| CN115710804A (en) * | 2021-08-04 | 2023-02-24 | 青岛海尔洗涤电器有限公司 | Water inlet structure and washing machine |
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| JP2001079290A (en) * | 1999-09-13 | 2001-03-27 | Chiyo Sakaida | Drain appliance for remaining water in water suction tube of washing machine |
| CN2517935Y (en) * | 2001-12-25 | 2002-10-23 | 陈奋森 | Fast inflating safety valve |
| CN2653251Y (en) * | 2003-09-23 | 2004-11-03 | 隆凯成 | Return pressure single flow valve |
| CN202125640U (en) * | 2011-05-17 | 2012-01-25 | 李熙 | Centralizing check valve |
| CN102733151A (en) * | 2011-12-19 | 2012-10-17 | 海尔集团公司 | Front loading washing machine as well as spray cleaning device and cleaning method thereof |
| CN202543652U (en) * | 2012-03-09 | 2012-11-21 | 海尔集团技术研发中心 | Spraying device of washing machine and washing machine with same |
| CN204592443U (en) * | 2015-03-30 | 2015-08-26 | 沈阳远大压缩机股份有限公司 | Without hot absorption drier safety check and without hot absorption drier |
| CN106149308A (en) * | 2015-04-15 | 2016-11-23 | 青岛海尔滚筒洗衣机有限公司 | Prevent the roller washing machine spray device that drips of the mouth of pipe and roller washing machine |
| CN106555299A (en) * | 2015-09-28 | 2017-04-05 | 青岛海尔滚筒洗衣机有限公司 | A kind of spray system and washing machine of washing machine |
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Inventor after: Liu Xia Inventor after: Xing Benfu Inventor after: Liu Fazhu Inventor after: Wang Yubao Inventor after: Tian Xinguo Inventor before: Liu Fazhu Inventor before: Xing Benfu Inventor before: Wang Yubao Inventor before: Tian Xinguo |
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Effective date of registration: 20210923 Address after: Room 221, management committee of Sino German ecological park, 2877 Tuanjie Road, Huangdao District, Qingdao, Shandong 266000 Applicant after: QINGDAO HAIER WASHING ELECTRIC APPLIANCES Co.,Ltd. Applicant after: Haier Smart Home Co., Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER DRUM WASHING MACHINE Co.,Ltd. |
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