Protective device for external exhaust duct of mobile air conditioner

By installing rain covers, filters, and filter components at the exhaust duct of the portable air conditioner, the problem of rainwater and mosquitoes entering the room is solved, improving the safety of air conditioner operation and indoor environmental hygiene, and achieving flexible installation adaptability.

CN224018475UActive Publication Date: 2026-03-20ZHEJIANG OULUN ELECTRIC
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-07
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

The existing portable air conditioner exhaust ducts lack protective structures, allowing rainwater, mosquitoes, and other insects to enter the room, affecting the safe operation of the air conditioner and the hygiene of the indoor environment.

Method used

A protective device for the external exhaust duct of a portable air conditioner was designed, including a rain cover, a filter screen, and a filter element. The rain cover blocks rainwater, the filter screen filters impurities and insects, and the filter element further purifies the gas. The connector and exhaust duct are adjustable to adapt to different installation requirements.

Benefits of technology

It effectively blocks rainwater from entering, reduces indoor humidity and pollution risks, improves the safety of air conditioning operation and indoor environmental hygiene, and offers flexible installation options to meet various installation needs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a protective device for an external exhaust duct of a mobile air conditioner, which comprises an exhaust duct, one end of the exhaust duct is communicated and connected with a host of the mobile air conditioner, the other end of the exhaust duct is connected with a joint, a second spacer is sleeved on the joint, and a first spacer is arranged on one side of the joint far away from the exhaust duct. The first isolation piece and the second isolation piece are distributed on the two sides of the glass. A first filter screen is arranged on the inner side of the first isolation piece, and a filter device is arranged on the inner side of the connector. A rainproof cover is arranged on the side, away from the connector, of the first isolation piece in a communicating mode. According to the utility model, the rainproof cover is arranged, and the plurality of rain baffles are arranged in the rainproof cover, so that rainwater is prevented from entering the rainproof cover under the action of the plurality of rain baffles, the probability that the rainwater enters the exhaust pipe is further reduced, impurities in gas are filtered through the filter screen, mosquitoes, cockroaches and the like are blocked, and the probability that indoor sanitation is polluted is reduced.
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Description

Technical Field

[0001] This utility model relates to the field of portable air conditioning technology, specifically a protective device for the exhaust duct of a portable air conditioner. Background Technology

[0002] The working principle of a portable air conditioner is similar to that of a regular air conditioner. High-temperature, high-pressure refrigerant gas enters the condenser, where it exchanges heat with the outside air, releasing heat to the outdoors. The refrigerant gas then cools and condenses into a high-temperature, high-pressure liquid. During cooling or heating, the indoor fan draws indoor air into the portable air conditioner, cools it through the evaporator, and then blows the cool air back into the room, creating air circulation and continuously lowering the indoor temperature. Simultaneously, the exhaust fan, through the exhaust duct, expels the heat dissipated by the condenser and some of the hot indoor air to the outdoors, maintaining a thermal balance between the indoor and outdoor air.

[0003] For example, a Chinese patent with application number CN2020110070631 discloses an exhaust duct device and a portable air conditioner, including an exhaust duct assembly, a connector, an air conditioner body and a window frame. The exhaust duct assembly is provided with a first snap-fit ​​part, and the connector is provided with a second snap-fit ​​part. The first snap-fit ​​part and the second snap-fit ​​part are snap-fitted together. Both ends of the exhaust duct assembly are snapped with connectors, and the connectors at both ends of the exhaust duct assembly are connected to the air conditioner body and the window frame, respectively.

[0004] However, the aforementioned portable air conditioner's exhaust duct lacks a structure to prevent rainwater and insects from entering. This allows rainwater to seep into the air conditioner during rainy weather, causing moisture to damage electrical components and leading to safety hazards such as short circuits and electrical leaks. It can also damage critical components like the compressor and fan, affecting the air conditioner's normal operation and shortening its lifespan. Rainwater entering the room will wet the floor and damage furniture and other items. Furthermore, if insects, cockroaches, dust, etc., get into the exhaust duct, these debris may be blown into the room when the air conditioner is running, affecting indoor air quality and hygiene. Utility Model Content

[0005] The purpose of this utility model is to provide a protective device for the exhaust pipe of a portable air conditioner, which aims to improve the problem of rainwater, mosquitoes, and cockroaches entering the room due to the lack of protective structure for the exhaust pipe of the portable air conditioner.

[0006] The utility model discloses a mobile air conditioning outer exhaust pipe protection device, including the exhaust pipe, one end of exhaust pipe is connected with mobile air conditioning host computer, the other end of exhaust pipe is connected with the joint, is equipped with the second isolating sheet on the joint, is equipped with the first isolating sheet on the joint side away from the exhaust pipe, and the first isolating sheet and the second isolating sheet are distributed and set up in the both sides of glass, be provided with the first filter screen in the inboard of first isolating sheet, be provided with filter device in the inboard of joint, be provided with rain cover in the side away from the joint of first isolating sheet, the inboard of rain cover is provided with multiple adjustable board, and multiple adjustable board is along the height direction distribution of rain cover and is set up.

[0007] As an embodiment of the utility model, the end away from the exhaust pipe of the joint is set to the conical frustum structure, and a convex ring is fixedly arranged on the joint.

[0008] As an embodiment of the utility model, a connecting pipe is connected by bolts at the edges of the first splice plate and the second splice plate; holes are arranged at the end portions of the first splice plate, the second splice plate and the first isolating sheet, and bolts are arranged through the opposite holes.

[0009] As an embodiment of the utility model, a connecting frame is fixedly arranged at the end portion of the conical frustum section of the joint, and a convex buckle is fixedly arranged at the outer side of the connecting frame; an outer frame is fixedly arranged at the outer side of the first filter screen, a clamping groove is arranged at the inner side of the outer frame, and the outer frame is sleeved on the connecting frame with the convex buckle located in the clamping groove.

[0010] As an embodiment of the utility model, perforations are arranged on the first isolating sheet, and the outer frame is arranged through the perforations; the rain cover is attached to the first isolating sheet, the outer frame is inserted into the stepped groove of the rain cover, and the outer frame, the isolating sheet and the rain cover are connected by bolts.

[0011] As an embodiment of the utility model, two inclined plates are further arranged at the inner side of the rain cover, the two inclined plates are arranged at the upper and lower ends of the rain cover respectively, and multiple adjustable boards are arranged between the two inclined plates; the bottom edge of the rain cover is arranged in an inclined structure.

[0012] As an embodiment of the utility model, a sleeve plate is sleeved at the end portion of each adjustable board, one end of the sleeve plate is arranged as an opening, the sleeve plate is sleeved at the end portion of the adjustable board, and a notch is arranged at the end corner of the adjustable board.

[0013] As an embodiment of the utility model, two connecting plates are arranged between the adjacent two sleeve plates, the two ends of the connecting plate are hingedly connected with the two sleeve plates respectively; a through hole is arranged on the connecting plate, and the end portion of the bolt arranged through the through hole is screwed into the rain cover.

[0014] As an embodiment of the utility model, the filter device includes a shell, a filter element is arranged on the inner side of the shell, and a second filter screen is arranged on the end of the shell; one second filter screen is in contact with the annular convex plate on the inner side of the joint, and the other second filter screen is provided with an annular baffle on the side edge, and the annular baffle is screw-mounted in the joint.

[0015] As an embodiment of the utility model, the end of the joint is inserted into the exhaust pipe, and an ear plate is fixedly arranged on the outer side of the exhaust pipe and the joint, a adjusting screw is connected and arranged on the ear plate of the joint through a bearing, and the adjusting screw is screw-penetrated and arranged on the ear plate of the exhaust pipe.

[0016] The utility model discloses the beneficial effect is:

[0017] 1, the utility model discloses the rain cover is arranged, and a plurality of rain baffle is arranged in the rain cover, therefore, under the action of a plurality of rain baffle, rainwater is prevented from entering the rain cover, and then the probability of rainwater entering the exhaust pipe is reduced, and the filter screen is also arranged, can filter the impurity, mosquito and the like of gas under the action of the filter screen, and the probability of indoor health being contaminated is reduced.

[0018] 2, the utility model discloses the filter device is arranged, can realize the filtration treatment of gas under the action of the filter device again, effectively removes the impurity in gas, further realizes the protection of indoor environment, and the filter device is detachably connected in the joint, and the flexibility of the device is improved.

[0019] 3, the joint of the utility model is inserted and installed in the exhaust pipe, and the position of the joint relative to the exhaust pipe can be adjusted according to requirements, convenient for adapting to different installation requirements, and providing support for replacing the components of the filter device. DRAWINGS

[0020] The drawings that form a part of the utility model are used to provide further understanding of the utility model, so that other features, objects and characteristics of the utility model become more obvious. The illustrative embodiment drawings of the utility model and the explanation thereof are used to explain the utility model, and do not constitute undue limitation on the utility model.

[0021] Figure 1 It is the structural schematic diagram of the whole utility model;

[0022] Figure 2 It is the structural schematic diagram of the exhaust pipe, the joint, the first isolation sheet of the utility model;

[0023] Figure 3 It is the structural schematic diagram of the joint, the first isolation sheet, the rain cover, the second isolation sheet of the utility model;

[0024] Figure 4 It is the structural schematic diagram of the joint of the utility model.

[0025] Figure 5 is a structural schematic view of the filter device of the utility model;

[0026] Figure 6 is a structural schematic view of the second isolation sheet of the utility model;

[0027] Figure 7 is a structural schematic view of the first isolation sheet of the utility model;

[0028] Figure 8 is a structural schematic view of the rain cover of the utility model;

[0029] Figure 9 is a first structural schematic view of the adjustable plate of the utility model;

[0030] Figure 10 is a second structural schematic view of the adjustable plate of the utility model.

[0031] In the drawing: mobile air conditioner host 1;Exhaust pipe 2;Ear plate 21;Joint 3;Adjusting screw 31;Connecting frame 32;Convex buckle 33;Convex ring 34;First isolation sheet 4;Perforation 41;Outer frame 42;First filter screen 43;Clamping groove 44;Rain cover 5;Inclined plate 51;Stepped groove 52;Adjustable plate 53;Notch 531;Cover plate 532;Connecting plate 54;Through hole 541;Second isolation sheet 6;First splicing plate 61;Second splicing plate 62;Connecting pipe 63;Filter device 7;Shell 71;Filter core 72;Second filter screen 73;Annular baffle 74. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0033] It should be noted that all directionality indications (such as up, down, left, right, front, back, etc.) in the embodiments of the utility model are only used to explain the relative position relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directionality indications also change accordingly.

[0034] Embodiment 1

[0035] As Figure 1As shown, in order to reduce the chance of rainwater entering the exhaust duct and to effectively block mosquitoes, cockroaches and other insects from entering the exhaust duct, this embodiment provides a protective device for the exhaust duct of the portable air conditioner. The protective device is installed at the end of the exhaust duct and on the glass of doors and windows. While ensuring the airflow between the inside and outside of the portable air conditioner, it can block rainwater, mosquitoes and other insects.

[0036] like Figure 1 As shown, portable air conditioners are basically the same as regular air conditioners, mainly including compressors, evaporators, condensers, throttling devices, fans, drainage systems, control systems, and casings. Common throttling devices include capillary tubes or expansion valves; drainage systems usually include water tanks, drain pipes, and other components; control systems include temperature sensors, controllers, and operation panels.

[0037] like Figures 1-8 As shown, to prevent rainwater and insects / cockroaches from entering the portable air conditioner through the exhaust duct when the unit is stopped, thus affecting its normal operation, this invention provides a protective device to enhance protection. Specifically, it is a protective device for the external exhaust duct of a portable air conditioner, mainly including a connector 3, a first filter 43, and a rain cover 5. The connector 3, first filter 43, and rain cover 5 are arranged sequentially, with the connector 3 installed at one end of the exhaust duct 2. The other end of the exhaust duct 2 is connected to the portable air conditioner unit 1. Multiple rain shields are installed inside the rain cover 5, distributed along the height of the rain cover 5.

[0038] Therefore, with the cooperation of multiple rain shields, the flow direction of rainwater can be changed when it enters the rain cover 5, thus allowing it to flow to the bottom of the rain cover 5. Because the bottom edge of the rain cover 5 is designed with an inclined structure, the rainwater flowing to the bottom of the rain cover 5 can be discharged from the rain cover 5 under the action of gravity, preventing it from flowing into the exhaust pipe 2. Under the action of the first filter 43, impurities and insects in the gas can be intercepted, cutting off the passage for impurities and insects to enter the exhaust pipe 2.

[0039] like Figure 3 As shown, in order to stably install the connector 3, rain cover 5, and first filter 43 on the window glass, the portable air conditioner exhaust duct protection device also includes a first isolation plate 4 and a second isolation plate 6. The second isolation plate 6 is sleeved on the connector 3, the first filter 43 is installed through the first isolation plate 4, and the rain cover 5 is installed on the side of the first isolation plate 4 away from the second isolation plate 6. At the same time, the first isolation plate 4 and the second isolation plate 6 are distributed on both sides of the glass, and the first isolation plate 4 and the second isolation plate 6 are connected by bolts. Therefore, under the action of the first isolation plate 4 and the second isolation plate 6, the connector 3, rain cover 5, and first filter 43 can be stably installed.

[0040] like Figure 7As shown, specifically, the first isolation sheet 4 is provided with a through hole 41, and the outer frame 42 is fixedly arranged outside the first filter screen 43 and penetrates the through hole 41. The rain cover 5 is arranged on the first isolation sheet 4, and the outer frame 42 extends into the stepped groove 52 of the rain cover 5. In addition, the outer frame 42 and the rain cover 5 are both provided with through holes, so that the bolts can penetrate the first isolation sheet 4 and the second isolation sheet 6, the through holes, and the outer frame 42, the isolation sheet and the rain cover 5 are connected by the bolts.

[0041] As shown in Figure 6 addition, the joint 3 is arranged in a conical structure away from one end of the exhaust pipe 2, in order to enable the second isolation sheet 6 to be detachably mounted on the joint 3, the second isolation sheet 6 comprises a first splicing plate 61, a second splicing plate 62 and a connecting pipe 63, the first splicing plate 61 and the second splicing plate 62 are arranged in an up-down distribution, and the connecting pipe 63 is connected by bolts and arranged at the edge of the first splicing plate 61 and the second splicing plate 62, so that the first splicing plate 61 and the second splicing plate 62 are stably connected under the action of the connecting pipe 63, and the removal of the first splicing plate 61 and the second splicing plate 62 is facilitated according to the needs.

[0042] As shown in Figure 4 in order to stably mount the second isolation sheet 6 relative to the joint 3, the convex ring 34 is fixedly arranged on the joint 3, the first splicing plate 61 and the second splicing plate 62 are sleeved on the joint 3, and the first splicing plate 61 and the second splicing plate 62 are located on the side of the convex ring 34 close to the exhaust pipe 2, that is, the convex ring 34 is located between the first isolation sheet 4 and the second isolation sheet 6, thereby stably mounting the joint 3 under the stable mounting of the first isolation sheet 4 and the second isolation sheet 6.

[0043] As shown in Figure 4 , Figure 7 in the stable connection of the outer frame 42 and the first isolation sheet 4, the outer frame 42 is sleeved on the connecting frame 32 at the end of the joint 3, and the convex buckle 33 is fixedly arranged on the outer side of the connecting frame 32, and the inner side of the outer frame 42 is provided with a clamping groove 44, so that the convex buckle 33 is located in the clamping groove 44 when the outer frame 42 is sleeved on the connecting frame 32.

[0044] As shown in Figure 8 in order to effectively block rainwater, the rain shield comprises two inclined plates 51 and a plurality of adjustable plates 53, the two inclined plates 51 are arranged at the upper and lower ends of the rain cover 5 respectively, and the plurality of adjustable plates 53 are arranged between the two inclined plates 51, so that the rainwater can be blocked by the cooperation of the inclined plates 51 and the adjustable plates 53, that is, the direction of the rainwater is changed. In addition, the bottom of the lower inclined plate 51 is in contact with the bottom of the rain cover 5, so that the passage of the rainwater falling on the bottom of the rain cover 5 into the rain cover 5 is cut off.

[0045] As Figure 9 , Figure 10 shown, in order to be able to adjust the adjustable plate 53 according to the needs of the tilt angle, so as to meet the rain shelter, the greatest degree of gas into the convenience, in each adjustable plate 53 end set with sleeve plate 532, one end of the sleeve plate 532 is set as an opening, and the end of the adjustable plate 53 is provided with a notch 531, so the sleeve plate 532 can be stably placed in the end of the adjustable plate 53. In addition, between the two adjacent sleeve plate 532 is provided with two connecting plate 54, both ends of the connecting plate 54 are respectively connected with two sleeve plate 532 hinge, the connecting plate 54 is provided with a through hole 541. Therefore, when installing the adjustable plate 53, make the sleeve plate 532 adhere to the side wall of the rain cover 5, and according to the needs of the sleeve plate 532 and the tilt angle of the adjustable plate 53. Then the bolt is arranged through the through hole 541 of the connecting plate 54, and the end of the bolt is screwed into the side wall of the rain cover 5, so that the sleeve plate 532 and the adjustable plate 53 can be stably installed. The adjustable plate 53 is installed in the sleeve plate 532, which provides convenience for disassembling and replacing the adjustable plate 53 according to the needs.

[0046] As Figure 5 shown, in order to realize the effective filtering of gas, the filter device 7 is arranged inside the joint 3, the filter device 7 includes a shell 71, a filter core 72 is arranged inside the shell 71, which can be glass fiber, polypropylene, activated carbon, metal mesh and the like, a second filter screen 73 is arranged at the end of the shell 71, one of the second filter screens 73 is in contact with the annular convex plate inside the joint 3, and the other second filter screen 73 is provided with an annular baffle 74 at the side edge, which is screwed into the joint 3, so as to realize the stable installation of the filter core 72 and the second filter screen 73, and the filtering treatment of the gas is realized again through the filter core 72 and the second filter screen 73. When the filter core 72 needs to be replaced, rotate the annular baffle 74 to make it separate from the joint 3, so as to remove the restriction of the filter device 7.

[0047] Embodiment 2

[0048] As Figure 2 shown, on the basis of embodiment 1, in order to stably connect the joint 3 and the exhaust pipe 2, and adjust their relative positions according to the needs, the end of the joint 3 is inserted into the exhaust pipe 2, and the ear plate 21 is fixedly arranged outside the exhaust pipe 2 and the joint 3, the adjusting screw 31 is arranged at the ear plate 21 of the joint 3 through bearing connection, the adjusting screw 31 is screwed through the ear plate 21 of the exhaust pipe 2, the relative movement of the joint 3 to the exhaust pipe 2 can be controlled by rotating the adjusting screw 31, and the exhaust pipe 2 and the joint 3 can be easily disassembled according to the actual needs.

[0049] In addition, the technical solutions of various embodiments of the present application can be combined with each other, but must be based on the fact that a person skilled in the art can implement it, when the combination of technical solutions appears contradictory or cannot be implemented, it should be considered that the combination of technical solutions does not exist, nor is it within the protection scope required by the present application.

[0050] The above-described embodiments only express several implementation manners of the present application, the description is more specific and detailed, but it should not be understood as a limitation on the patent scope of the present application. It should be pointed out that for those skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A protective device for the exhaust duct of a portable air conditioner, characterized in that, The system includes an exhaust pipe (2), one end of which is connected to a portable air conditioner unit (1), and the other end of which is connected to a connector (3). A second isolation plate (6) is fitted on the connector (3). A first isolation plate (4) is provided on the side of the connector (3) away from the exhaust pipe (2). The first isolation plate (4) and the second isolation plate (6) are distributed on both sides of the glass. A first filter screen (43) is provided on the inner side of the first isolation plate (4), and a filter element (7) is provided on the inner side of the connector (3). A rain cover (5) is provided on the side of the first isolation plate (4) away from the connector (3). Multiple adjustable plates (53) are provided on the inner side of the rain cover (5). The multiple adjustable plates (53) are distributed along the height direction of the rain cover (5).

2. The protective device for the external exhaust duct of a portable air conditioner according to claim 1, characterized in that, The end of the connector (3) away from the exhaust pipe (2) is set as a frustum structure, and a convex ring (34) is fixedly provided on the connector (3); the second isolation plate (6) includes a first splicing plate (61) and a second splicing plate (62), the first splicing plate (61) and the second splicing plate (62) are sleeved on the connector (3), and the first splicing plate (61) and the second splicing plate (62) are located on the side of the convex ring (34) near the exhaust pipe (2).

3. The protective device for the external exhaust duct of a portable air conditioner according to claim 2, characterized in that, A connecting pipe (63) is connected to the edges of the first splicing plate (61) and the second splicing plate (62) by bolts; a channel is provided at the end of the first splicing plate (61), the second splicing plate (62) and the first isolation plate (4), and a bolt is provided through the corresponding channel.

4. The protective device for the external exhaust duct of a portable air conditioner according to claim 2, characterized in that, A connecting frame (32) is fixedly provided at the end of the frustum section of the connector (3), and a buckle (33) is fixedly provided on the outer side of the connecting frame (32); an outer frame (42) is fixedly provided on the outer side of the first filter screen (43), and a slot (44) is provided on the inner side of the outer frame (42), and the outer frame (42) is sleeved on the connecting frame (32), while the buckle (33) is located in the slot (44).

5. A protective device for the external exhaust duct of a portable air conditioner according to claim 4, characterized in that, A perforation (41) is provided on the first isolation plate (4), and the outer frame (42) is provided through the perforation (41); the rain cover (5) is fitted onto the first isolation plate (4), and the outer frame (42) extends into the stepped groove (52) of the rain cover (5), while the outer frame (42), the isolation plate and the rain cover (5) are connected by bolts.

6. A protective device for the external exhaust duct of a portable air conditioner according to claim 1, characterized in that, Two inclined plates (51) are also provided on the inner side of the rain cover (5). The two inclined plates (51) are respectively provided at the upper and lower ends of the rain cover (5), and multiple adjustable plates (53) are provided between the two inclined plates (51). The bottom edge of the rain cover (5) is set as an inclined structure.

7. A protective device for the external exhaust duct of a portable air conditioner according to claim 6, characterized in that, Each adjustable plate (53) is fitted with a sleeve plate (532) at its end. One end of the sleeve plate (532) is open and the sleeve plate (532) is fitted onto the end of the adjustable plate (53). At the same time, a notch (531) is provided at the end corner of the adjustable plate (53).

8. A protective device for the external exhaust duct of a portable air conditioner according to claim 7, characterized in that, Two connecting plates (54) are provided between two adjacent sleeve plates (532), and the two ends of the connecting plates (54) are respectively hinged to the two sleeve plates (532); a through hole (541) is provided on the connecting plate (54), and the end of the bolt provided through the through hole (541) is threaded into the rain cover (5).

9. A protective device for the external exhaust duct of a portable air conditioner according to claim 1, characterized in that, The filter element (7) includes a housing (71), a filter element (72) is provided on the inner side of the housing (71), and a second filter screen (73) is provided at the end of the housing (71); one of the second filter screens (73) contacts the annular convex plate on the inner side of the connector (3), and the other second filter screen (73) is provided with an annular baffle (74) on its side, and the annular baffle (74) is threadedly installed in the connector (3).

10. A protective device for the external exhaust duct of a portable air conditioner according to claim 1, characterized in that, The end of the connector (3) is inserted into the exhaust pipe (2). Ear plates (21) are fixedly provided on the outside of both the exhaust pipe (2) and the connector (3). An adjusting screw (31) is connected to the ear plate (21) of the connector (3) by a bearing. The adjusting screw (31) is threaded through the ear plate (21) of the exhaust pipe (2).