CN113803873A - Sealing structure, drainage assembly and air conditioner - Google Patents
Sealing structure, drainage assembly and air conditioner Download PDFInfo
- Publication number
- CN113803873A CN113803873A CN202111146784.5A CN202111146784A CN113803873A CN 113803873 A CN113803873 A CN 113803873A CN 202111146784 A CN202111146784 A CN 202111146784A CN 113803873 A CN113803873 A CN 113803873A
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- outflow
- sealing structure
- inflow
- wall
- transition
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- 238000007789 sealing Methods 0.000 title claims abstract description 72
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000012530 fluid Substances 0.000 claims abstract description 22
- 230000007704 transition Effects 0.000 claims description 38
- 239000013013 elastic material Substances 0.000 claims description 8
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 description 15
- 230000009471 action Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention provides a sealing structure, a drainage assembly and an air conditioner, wherein the sealing structure comprises: an inflow portion having an inflow cavity; the outflow part is provided with an outflow cavity, the inflow cavity is communicated with the outflow cavity, and one end of the outflow part, which is far away from the inflow part, is provided with an outflow port communicated with the outflow cavity; wherein at least part of the outflow portion is movably arranged to bring the outflow chamber into a closed state for preventing fluid flow therethrough or to bring the outflow chamber into an open state for allowing fluid flow therethrough. The sealing structure of the invention solves the problem that the interior of the air conditioner in the prior art is easy to generate condensed water.
Description
Technical Field
The invention relates to the field of air conditioners, in particular to a sealing structure, a drainage assembly and an air conditioner.
Background
At present, most of vertical air conditioners are designed with a water receiving structure on the surface of an air duct to guide condensed water to a water receiving disc in order to solve the problem of outflow of the condensed water on the surface of the air duct.
However, in this structure, there is a risk that the cold air on the water receiving tray side comes into contact with the hot air on the air duct surface side through the water discharge port, and condensed water is formed at the position of the water receiving-free structure.
Disclosure of Invention
The invention mainly aims to provide a sealing structure, a drainage assembly and an air conditioner, which aim to solve the problem that condensed water is easily generated inside the air conditioner in the prior art.
In order to achieve the above object, according to one aspect of the present invention, there is provided a sealing structure including: an inflow portion having an inflow cavity; the outflow part is provided with an outflow cavity, the inflow cavity is communicated with the outflow cavity, and one end of the outflow part, which is far away from the inflow part, is provided with an outflow port communicated with the outflow cavity; wherein at least part of the outflow portion is movably arranged to bring the outflow chamber into a closed state for preventing fluid flow therethrough or to bring the outflow chamber into an open state for allowing fluid flow therethrough.
Further, the inflow part comprises a connecting part and a transition part which are connected with each other, one end of the transition part is connected with the connecting part, and the other end of the transition part is connected with the outflow part; wherein the fluid flow cross-section of the transition portion decreases gradually in the direction from the connecting portion to the outflow portion.
Further, the transition portion includes first and second oppositely disposed transition walls that gradually approach each other in a direction from the interfacing portion to the outflow portion.
Further, the first transition wall and the second transition wall are both curved plate-like or straight plate-like.
Further, the interface part is cylindrical; the inner wall or the outer wall of the connecting part is provided with a sealing convex ring, so that the connecting part is in interference fit with the water outlet through the sealing convex ring.
Furthermore, the sealing convex rings are multiple, and the sealing convex rings are arranged at intervals along the extending direction of the connecting part.
Further, the outflow part comprises a first outflow wall and a second outflow wall, and when the outflow cavity is in a closed state, the first outflow wall and the second outflow wall are arranged in a fitting manner; when the outflow cavity is in an open state, the first outflow wall and the second outflow wall are arranged at intervals; and/or the inflow portion and the outflow portion are of a unitary structure.
Further, the outflow portion is made of an elastic material so that the inflow chamber is normally in a closed state, or so that the fluid flowing in from the inflow chamber pushes the outflow chamber apart to flow out at the outflow port.
Further, the outflow portion includes an outflow main body on which the outflow chamber is provided and an opening and closing member provided on the outflow main body, the opening and closing member being adjustably provided to open or close the outflow chamber.
Further, the outflow main body is made of an elastic material, and the switch component is a switch clip clamped on the outflow main body.
According to a second aspect of the present invention, there is provided a drainage assembly, comprising a water receiving tank and a drainage outlet communicating with the water receiving tank, the drainage assembly further comprising: and a sealing structure, wherein the inflow part of the sealing structure is connected with the water outlet.
According to a third aspect of the present invention, there is provided an air conditioner including a drain outlet, the air conditioner further including: and a sealing structure, wherein the inflow part of the sealing structure is connected with the water outlet.
By applying the technical scheme, the sealing structure provided by the invention comprises an inflow part and an outflow part, wherein the inflow part is provided with an inflow cavity, the outflow part is provided with an outflow cavity, the inflow cavity is communicated with the outflow cavity, and one end of the outflow part, which is far away from the inflow part, is provided with an outflow port communicated with the outflow cavity; wherein at least part of the outflow portion is movably arranged to bring the outflow chamber into a closed state for preventing fluid flow therethrough or to bring the outflow chamber into an open state for allowing fluid flow therethrough. In the embodiment of the invention, the sealing structure is applied to the air conditioner, the sealing structure can prevent the airflow from passing through the outflow part of the sealing structure, and can effectively prevent cold air from flowing out of the water outlet and generating condensed water with hot air, thereby preventing the air conditioner from generating potential safety hazard.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
figure 1 shows a schematic structural view of an embodiment of a sealing structure according to the invention;
FIG. 2 shows a cross-sectional view of an embodiment of a seal structure according to the present invention;
FIG. 3 shows a force diagram of an embodiment of a seal structure according to the present invention; and
fig. 4 is a schematic view illustrating a drainage structure of an air conditioner according to the present invention.
Wherein the figures include the following reference numerals:
1. a sealing structure; 10. an inflow section; 11. an interface section; 110. a sealing convex ring; 12. a transition section; 121. a first transition wall; 122. a second transition wall; 100. an inflow chamber; 20. an outflow section; 21. an outflow body; 200. an outflow lumen; 201. an outflow port; 210. a first outflow wall; 220. a second outflow wall; 30. a water receiving tank; 31. a water pan; 300. a water outlet; 40. a volute assembly; 41. a first volute component; 42. a second volute component.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Referring to fig. 1 to 2, the present invention provides a sealing structure, including: an inflow part 10, the inflow part 10 having an inflow chamber 100; the outflow part 20, the outflow part 20 has an outflow cavity 200, the inflow cavity 100 communicates with the outflow cavity 200, one end of the outflow part 20 far away from the inflow part 10 has an outflow port 201 communicating with the outflow cavity 200; wherein at least a portion of the outflow portion 20 is movably disposed to place the outflow housing 200 in a closed state for preventing fluid flow therethrough or to place the outflow housing 200 in an open state for fluid flow therethrough.
The sealing structure provided by the invention comprises an inflow part 10 and an outflow part 20, wherein the inflow part 10 is provided with an inflow cavity 100, the outflow part 20 is provided with an outflow cavity 200, the inflow cavity 100 is communicated with the outflow cavity 200, and one end of the outflow part 20, which is far away from the inflow part 10, is provided with an outflow hole 201 communicated with the outflow cavity 200; wherein at least a portion of the outflow portion 20 is movably disposed to place the outflow housing 200 in a closed state for preventing fluid flow therethrough or to place the outflow housing 200 in an open state for fluid flow therethrough. In the embodiment of the present invention, the sealing structure of the present invention is applied to an air conditioner, and the sealing structure can prevent the air flow from passing through the outflow portion 20 of the sealing structure, and can effectively prevent cold air from escaping from the drainage port 300 and generating condensed water with hot air, thereby preventing the air conditioner from generating a potential safety hazard.
Specifically, as shown in fig. 4, the drain assembly further includes a volute assembly 40 and a water collector 31, the volute assembly 40 includes a first volute component 41 and a second volute component 42, and the water collector 31 is disposed on the second volute component 42 and is located at one side of the first volute component 41. Wherein, the one side that the air conditioner is close to water collector 31 is the heat exchange district, and when the air conditioner was in refrigeration running state, the air conditioner outside just can produce the comdenstion water, and at this moment, the heat exchange district is the cold wind side, and the one side of the air conditioner that is close to second spiral case part 42 is normal atmospheric temperature air, and its temperature is higher than the heat exchange district, and the one side of the event air conditioner that is close to second spiral case part 42 is hot-blast side. Due to the adoption of the sealing structure in the embodiment, air flow on the cold air side cannot enter the hot air side through the sealing structure in the invention, so that the cold air is prevented from flowing out from the cold air side to the hot air side through the water outlet 300 to be contacted with the hot air on the hot air side to generate condensed water, and the potential safety hazard that the condensed water is formed at the position of the water-free structure of the air conditioner is avoided.
Specifically, the inflow part 10 includes a connecting part 11 and a transition part 12 connected to each other, one end of the transition part 12 is connected to the connecting part 11, and the other end of the transition part 12 is connected to the outflow part 20; wherein the transition portion 12 has a decreasing fluid flow cross-section in the direction from the connecting portion 11 to the outflow portion 20. The outflow portion 20 communicates with the transition portion 12 where the cross section is smallest.
Specifically, the transition portion 12 includes a first transition wall 121 and a second transition wall 122 that are oppositely disposed, and the first transition wall 121 and the second transition wall 122 are gradually close to each other in a direction from the connecting portion 11 to the outflow portion 20.
In the embodiment of the present invention, the transition portion 12 gradually shrinks from the connecting portion 11 to the axial center to be folded into a flat fitting structure, inner walls of the flat fitting structure are sealed and do not adhere to each other, and preferably, the connecting portion 11 and the transition portion 12 naturally transition.
Preferably, the first transition wall 121 and the second transition wall 122 are each curved plate-like or straight plate-like.
Preferably, the interface portion 11 is cylindrical; specifically, a sealing convex ring 110 is disposed on an inner wall or an outer wall of the connecting portion 11, so that the connecting portion 11 is in interference fit with the drain opening 300 through the sealing convex ring 110 to ensure the effectiveness of sealing.
Preferably, the value range of the unilateral interference is 0.1 mm-1 mm according to the actual situation.
Specifically, the interface 11 has a cylindrical thin-walled structure.
In the embodiment of the present invention, the outflow portion 20 includes a first outflow wall 210 and a second outflow wall 220, and when the outflow chamber 200 is in the closed state, the first outflow wall 210 and the second outflow wall 220 are disposed in close contact; when the outflow chamber 200 is in the open state, the first outflow wall 210 and the second outflow wall 220 are disposed at an interval; and/or the inflow portion 10 and the outflow portion 20 are of unitary construction.
Preferably, the fluid flow cross-section between the first outflow wall 210 and the second outflow wall 220 is gradually decreasing in the extension direction of the transition 12 to the outflow opening 201, the fluid flow cross-section being minimal when going to the outflow opening 201.
Specifically, the outflow portion 20 is also a flat joint structure gradually shrinking inward, and the inner walls of the flat joint structure are jointed and sealed with each other but are not adhered to each other.
As shown in fig. 2, the sealing protrusion ring 110 is provided in plurality, and the plurality of sealing protrusion rings 110 are provided at intervals along the extending direction of the connecting portion 11. Thus, the sealing convex ring 110 is in interference fit with the water outlet 300 in the water drainage assembly, so that a good sealing effect is achieved.
Depending on the different switching patterns of the outflow housing 200, the outflow section 20 can have different embodiments, in particular:
in the first embodiment of the present invention, the outflow portion 20 is made of an elastic material so that the inflow chamber 100 is normally in a closed state, or so that the fluid flowing in from the inflow chamber 100 is spread out from the outflow chamber 200 to flow out at the outflow port 201.
Wherein, the elastic material is a material capable of automatically returning to the original shape, and preferably, the elastic material is rubber.
In the second embodiment of the present invention, the outflow portion 20 includes an outflow body 21 and an opening and closing member provided on the outflow body 21, the outflow chamber 200 is provided on the outflow body 21, and the opening and closing member is adjustably provided to open or close the outflow chamber 200.
In the embodiment of the present invention, the outflow main body 21 is made of an elastic material, and the switching member is a switching clip that is clipped on the outflow main body 21.
In the specific implementation process of the embodiment of the invention, the sealing structure of the invention is applied to the drainage assembly with one side being the cold cavity and the other side being the hot cavity, and in the practical use, as shown in fig. 3, the stress conditions of the sealing structure are mainly divided into the following three types:
1. when the drainage structure does not drain water into the sealing structure, namely the inside of the sealing structure in the application is in a dry state, the outflow part 20 of the sealing structure in the application is closed under the action of the self elastic force Ft;
2. when the drainage structure drains a trace amount of liquid into the sealing structure, namely the interior of the sealing structure in the application is slightly moist, the outflow part 20 of the sealing structure in the application is closed under the action of self-elasticity Ft and self-adsorption force of the liquid;
3. when the drainage structure drains liquid into the present seal structure, i.e. a certain amount of liquid is present inside the present seal structure, as shown in fig. 3, F1Force, F, acting on the inner wall of the seal for the liquid inside the seal in the present applicationxIs a liquid inside a sealing structure in the present applicationHorizontal force of the body on the inner wall of the sealing structure, FxThe calculation formula is as follows:
Fx＝G*sinθcosθ
in the above formula, θ — the slope between the inner walls of the seal structure of the present application; g-liquid self gravity.
In this case, the gravity G of the liquid itself can spread the closed portion of the outflow portion 20 to allow the liquid to pass therethrough. Specifically, when G × sin θ cos θ < Ft (Ft is the elastic force of the outflow portion 20 itself), the outflow portions 20 are still in the state of being bonded to each other. G × sin θ cos θ > Ft (Ft is the elastic force of the outflow portion 20 itself), the closed outflow portion 20 is opened under the pressure of the liquid, and the water flows therethrough.
In summary, when the inside of the seal structure of the present application is in a dry state or in a slightly wet state, the lower portions of the seal structure of the present application are bonded to each other. When a certain amount of liquid exists in the sealing structure in the application, the liquid acts on the inner wall of the sealing structure under the action of the gravity G of the liquid per se and the force F in the horizontal directionxWhen it is larger than its own elastic force Ft, the liquid, which moves toward the outflow port 201 at this time of the outflow part 20, is filled up and is opened by the pressure of the liquid to allow the water flow to pass.
In above-mentioned three kinds of circumstances, the air current all can't get into the seal structure in this application through outflow 20, and during the air current can't get into drainage assembly through this seal structure promptly, solved cold wind and scurried out and produced the problem of condensation water with hot-air through outlet 300, effectively prevented that the air conditioner from producing the potential safety hazard.
According to a second aspect of the present invention, as shown in fig. 4, there is provided a drain assembly comprising a water receiving tank 30 and a drain opening 300 communicating with the water receiving tank 30, the drain assembly further comprising: in the sealing structure 1, the inlet 10 of the sealing structure 1 is connected to the drain opening 300. Specifically, the sealing structure is applied to the drainage assembly with the cold chamber on one side and the hot chamber on one side, so that the cold air can be effectively prevented from flowing out from the drainage port 300 and generating condensed water with the hot air, and potential safety hazards are generated.
According to a third aspect of the present invention, as shown in fig. 4, there is provided an air conditioner including a drain opening 300, the air conditioner further including: in the sealing structure 1, the inlet 10 of the sealing structure 1 is connected to the drain opening 300.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:
the sealing structure provided by the invention comprises an inflow part 10 and an outflow part 20, wherein the inflow part 10 is provided with an inflow cavity 100, the outflow part 20 is provided with an outflow cavity 200, the inflow cavity 100 is communicated with the outflow cavity 200, and one end of the outflow part 20, which is far away from the inflow part 10, is provided with an outflow hole 201 communicated with the outflow cavity 200; wherein at least a portion of the outflow portion 20 is movably disposed to place the outflow housing 200 in a closed state for preventing fluid flow therethrough or to place the outflow housing 200 in an open state for fluid flow therethrough. In the embodiment of the present invention, the sealing structure of the present invention is applied to an air conditioner, and the sealing structure can prevent the air flow from passing through the outflow portion 20 of the sealing structure, and can effectively prevent cold air from escaping from the drainage port 300 and generating condensed water with hot air, thereby preventing the air conditioner from generating a potential safety hazard.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. A sealing structure, comprising:
an inflow portion (10), the inflow portion (10) having an inflow cavity (100);
an outflow part (20), wherein the outflow part (20) is provided with an outflow cavity (200), the inflow cavity (100) is communicated with the outflow cavity (200), and one end of the outflow part (20) far away from the inflow part (10) is provided with an outflow hole (201) communicated with the outflow cavity (200);
wherein at least part of the outflow portion (20) is movably arranged to bring the outflow chamber (200) into a closed state for preventing a fluid flow therethrough or to bring the outflow chamber (200) into an open state for allowing a fluid flow therethrough.
2. The sealing structure according to claim 1, characterized in that the inflow part (10) comprises an interface part (11) and a transition part (12) connected to each other, one end of the transition part (12) being connected to the interface part (11) and the other end of the transition part (12) being connected to the outflow part (20); wherein the transition portion (12) has a decreasing fluid flow cross-section in the direction from the connecting portion (11) to the outflow portion (20).
3. The sealing structure according to claim 2, characterized in that the transition portion (12) comprises a first transition wall (121) and a second transition wall (122) arranged opposite each other, the first transition wall (121) and the second transition wall (122) being gradually closer together in a direction from the connecting portion (11) to the outflow portion (20).
4. The sealing structure according to claim 3, characterized in that the first transition wall (121) and the second transition wall (122) are both curved plate-like or straight plate-like.
5. The sealing structure of claim 2,
the interface part (11) is cylindrical;
a sealing convex ring (110) is arranged on the inner wall or the outer wall of the connecting part (11), so that the connecting part (11) is in interference fit with the water outlet through the sealing convex ring (110).
6. The seal structure according to claim 5, wherein said seal protruding ring (110) is plural, and said plural seal protruding rings (110) are provided at intervals along an extending direction of said connecting port portion (11).
7. The sealing structure of claim 1,
the outflow part (20) comprises a first outflow wall (210) and a second outflow wall (220), and when the outflow cavity (200) is in a closed state, the first outflow wall (210) and the second outflow wall (220) are arranged in a fit manner; the first outflow wall (210) and the second outflow wall (220) are disposed at a distance when the outflow chamber (200) is in an open state; and/or
The inflow part (10) and the outflow part (20) are of an integral structure.
8. The seal structure according to any one of claims 1 to 7,
the outflow part (20) is made of an elastic material so that the inflow chamber (100) is normally in the closed state, or so that the fluid flowing in from the inflow chamber (100) spreads the outflow chamber (200) to flow out at the outflow port (201).
9. The sealing structure according to any one of claims 1 to 7, characterized in that the outflow portion (20) comprises an outflow body (21) and an opening and closing member provided on the outflow body (21), the outflow chamber (200) being provided on the outflow body (21), the opening and closing member being adjustably provided to open or close the outflow chamber (200).
10. The sealing structure according to claim 9, characterized in that said outflow body (21) is made of an elastic material and said switching member is a switching clip clamped on said outflow body (21).
11. A drainage assembly, includes water receiving tank (30) and with outlet (300) of water receiving tank (30) intercommunication, its characterized in that, drainage assembly still includes:
the sealing structure of any one of claims 1 to 10, an inflow portion (10) of the sealing structure being connected to the drain opening (300).
12. An air conditioner including a drain opening (300), the air conditioner further comprising:
the sealing structure of any one of claims 1 to 10, an inflow portion (10) of the sealing structure being connected to the drain opening (300).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111146784.5A CN113803873A (en) | 2021-09-28 | 2021-09-28 | Sealing structure, drainage assembly and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111146784.5A CN113803873A (en) | 2021-09-28 | 2021-09-28 | Sealing structure, drainage assembly and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113803873A true CN113803873A (en) | 2021-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111146784.5A Pending CN113803873A (en) | 2021-09-28 | 2021-09-28 | Sealing structure, drainage assembly and air conditioner |
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| Country | Link |
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| CN (1) | CN113803873A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0669536U (en) * | 1993-03-17 | 1994-09-30 | 大成建設株式会社 | Fluid valve |
| JP2010007358A (en) * | 2008-06-26 | 2010-01-14 | Maruichi Corp | Drain pipe for draining device, and drain trap |
| CN216204248U (en) * | 2021-09-28 | 2022-04-05 | 珠海格力电器股份有限公司 | Sealing structure, drainage assembly and air conditioner |
-
2021
- 2021-09-28 CN CN202111146784.5A patent/CN113803873A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0669536U (en) * | 1993-03-17 | 1994-09-30 | 大成建設株式会社 | Fluid valve |
| JP2010007358A (en) * | 2008-06-26 | 2010-01-14 | Maruichi Corp | Drain pipe for draining device, and drain trap |
| CN216204248U (en) * | 2021-09-28 | 2022-04-05 | 珠海格力电器股份有限公司 | Sealing structure, drainage assembly and air conditioner |
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