Exhaust pipeline

Abstract

The utility model provides an exhaust pipeline, and belongs to the technical field of exhaust of washing and drying machines. Comprising an exhaust pipeline body and an exhaust channel fixed to the top end of the exhaust pipeline body, the exhaust pipeline body is of a U-shaped structure, air inlet pipes are fixed to the two ends of the bottom of the exhaust pipeline body correspondingly, a non-return mechanism is installed at the top end of the exhaust channel, and protection plates are detachably fixed to the interiors of the two air inlet pipes correspondingly; filter cotton is fixedly embedded in the protection plate, a positioning block inserted into the air inlet pipe in a matched mode is elastically arranged on the outer wall of the protection plate, and mounting grooves are formed in the two sides of the top end face of the exhaust channel. The two air inlet pipes arranged on the exhaust pipeline body suck air to the two ends of the washing and drying machine, the filter cotton embedded in the protection plate blocks fluff on clothes in the air suction process, and therefore the situation that the fluff enters the exhaust pipeline body to cause blocking is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of exhaust air of washing and drying machines, in particular to an exhaust air pipeline. Background Art

[0002] Existing pulsator washer-dryers are divided into water condensation type and direct discharge type. Among them, the direct discharge all-in-one machine, during the drying process, first allows the incoming hot air to act directly on the clothes in the drum to take away the moisture in the clothes, so as to achieve drying of the clothes, and then allows the hot air with moisture to be directly discharged to the outside through the exhaust port, thereby reducing the moisture content inside the washing machine, thereby improving the drying effect of the clothes.

[0003] The existing patent announcement number is: CN215518025U, and the name of the patent is "An air outlet assembly for a washing machine", comprising a mounting base plate, an annular enclosure plate is provided on the upper surface of the mounting base plate, a mounting cavity is formed between the annular enclosure plate and the mounting base plate, an air outlet pipe is provided at the bottom of the mounting base plate, a ventilation hole connected to the air outlet pipe is provided on the mounting base plate, a rubber layer is provided in the inner cavity of the ventilation hole, a through hole is provided in the rubber layer, an air outlet suction fan is fixed in the mounting cavity, an air inlet end of the air outlet suction fan is provided with a plug-in tube inserted into the through hole in the rubber layer, an air outlet opposite to the air outlet end of the air outlet suction fan is provided on the annular enclosure plate, and an air outlet suction fan for drawing air outwards is provided at the air outlet, thereby effectively improving the rate at which the washing machine discharges gas to the outside, thereby effectively avoiding the accumulation of moisture containing a large amount of water inside the washing machine, and ensuring that the washing machine has a high drying efficiency.

[0004] In the above-mentioned prior art, since some clothes are prone to produce lint during the process of blow-drying, if the exhaust speed is directly increased by a suction fan, it is impossible to avoid the lint being discharged from the air outlet into the room driven by the strong airflow, resulting in the need to further clean the lint fallen on the ground, and the use effect is not good. Therefore, the present application provides an exhaust duct to meet the needs. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide an exhaust duct to solve the problems of the existing dd.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: an exhaust duct, comprising an exhaust duct main body and an exhaust channel fixed at the top of the exhaust duct main body, the exhaust duct main body is a U-shaped structure, and air inlet pipes are fixed at both ends of the bottom of the exhaust duct main body, a non-return mechanism is installed at the top of the exhaust channel, and protective plates are detachably fixed in the two air inlet pipes, filter cotton is embedded and fixed in the protective plates, and the outer wall of the protective plates is elastically provided with a positioning block that fits in the air inlet pipe.

[0007] Optionally, the non-return mechanism includes a servo motor fixed to the outer wall of the exhaust channel and a non-return valve rotatably arranged in the exhaust channel.

[0008] Optionally, mounting grooves are provided on both sides of the top surface of the exhaust passage, and both ends of the check valve are rotatably arranged in the mounting grooves.

[0009] Optionally, a plurality of first mounting plates are fixed to the outer wall of the exhaust duct body, a second mounting plate is installed on the air inlet duct, and mounting holes are provided on the first mounting plate and the second mounting plate.

[0010] Optionally, the side wall of the air inlet pipe is provided with an air inlet channel connected to the exhaust pipe main body, and a positioning groove is provided at the top of the air inlet pipe.

[0011] Optionally, a rubber ring is fixedly sleeved on the protective plate, and a protrusion is provided on the inner wall of the protective plate.

[0012] Optionally, a telescopic groove extending into the raised portion is formed on the outer wall of the protective plate, the positioning block is embedded in the telescopic groove, and the top end of the positioning block is fitted and inserted in the positioning groove.

[0013] Optionally, a spring is embedded in the telescopic slot, and an anti-slip portion abutting against an inner wall of the telescopic slot is fixed to the bottom end of the positioning block.

[0014] Compared with the prior art, the utility model has at least the following beneficial effects:

[0015] In the above scheme, a check valve is provided at the top of the exhaust duct main body, and protective plates are detachably embedded on both sides of the bottom end surface of the exhaust duct main body. After the check valve is closed, leakage of foam generated by washing is avoided. At the same time, the two air inlet pipes on the exhaust duct main body suck air to both ends of the washing and drying machine, and the filter cotton embedded in the protective plate blocks the lint on the clothes during the suction process, thereby preventing the lint from entering the exhaust duct main body and causing blockage; a positioning groove is provided on the exhaust duct, and the spring in the telescopic groove at the top of the protective plate pushes the positioning block to fit and be inserted in the positioning groove, so that the protective plate remains fixed in the air inlet duct, and the lint can be cleaned from the side wall of the protective plate after the clothes are dried, and the positioning block is squeezed from the outer wall of the exhaust duct to be moved out of the positioning groove, and the protective plate is driven out of the exhaust duct by the rubber ring, so that the protective plate can be disassembled and cleaned, thereby improving the convenience of cleaning the filter cotton. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings, which are incorporated herein and constitute part of the specification, illustrate embodiments of the present invention and, together with the description, further serve to explain the principles of the present invention and enable those skilled in the relevant art to make and use the present invention.

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the exhaust pipe;

[0018] Figure 2 This is a schematic diagram of the exhaust pipe split structure;

[0019] Figure 3 This is a schematic diagram of the protective plate split structure;

[0020] Figure 4 for Figure 3 Schematic diagram of partial enlarged structure;

[0021] Figure 5 Schematic diagram of the three-dimensional structure of the air inlet duct.

[0022] [Reference Signs]

[0023] 1. Exhaust duct body; 2. Servo motor; 3. Check valve; 4. Exhaust channel; 5. Air inlet pipe; 6. Mounting slot; 7. First mounting plate; 8. Protective plate; 9. Rubber ring; 10. Protrusion; 11. Telescopic slot; 12. Spring; 13. Anti-slip portion; 14. Positioning block; 15. Mounting hole; 16. Positioning slot; 17. Air inlet channel; 18. Second mounting plate.

[0024] As shown in the figure, in order to clearly implement the structure of the embodiment of the utility model, specific structures and devices are marked in the figure, but this is only for illustrative purposes and is not intended to limit the utility model to the specific structure, device and environment. According to specific needs, ordinary technicians in this field can adjust or modify these devices and environments. DETAILED DESCRIPTION

[0025] The following is a detailed description of an exhaust duct provided by the utility model in combination with the accompanying drawings and specific embodiments. At the same time, it is explained here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art may also adopt other alternatives to implement some known technologies; and the accompanying drawings are only for more specific description of the embodiments, and are not intended to specifically limit the utility model.

[0026] It should be noted that the references to "one embodiment", "embodiment", "exemplary embodiments", "some embodiments" and the like in the specification indicate that the embodiments described may include specific features, structures or characteristics, but not every embodiment may include the specific features, structures or characteristics. In addition, when a specific feature, structure or characteristic is described in conjunction with an embodiment, it should be within the knowledge of a person skilled in the art to implement such feature, structure or characteristic in conjunction with other embodiments (whether or not explicitly described).

[0027] In general, a term can be understood, at least in part, from its use in context. For example, depending, at least in part, on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in the singular sense, or can be used to describe a combination of features, structures, or characteristics in the plural sense. Additionally, the term "based on" can be understood as not necessarily intended to convey an exclusive set of factors, but can instead, depending, at least in part, on the context, allow for the presence of other factors that are not necessarily explicitly described.

[0028] It is to be understood that the meanings of “on,” “over,” and “above” in the present invention should be interpreted in the broadest manner, so that “on” not only means “directly on” something, but also includes the meaning of being “on” something with intervening features or layers, and “on” or “above” not only means “on” or “above” something, but also includes the meaning of being “on” or “above” something with no intervening features or layers.

[0029] Additionally, spatially relative terms such as "under," "beneath," "lower," "above," "upper," and the like may be used herein for descriptive convenience to describe the relationship of one element or feature to another element or features, as shown in the accompanying drawings. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially relative descriptors used herein may be similarly interpreted accordingly.

[0030] like Figure 1 and Figure 2As shown, an embodiment of the utility model provides an exhaust duct, including an exhaust duct main body 1 and an exhaust channel 4 fixed on the top of the exhaust duct main body 1, the exhaust duct main body 1 is a U-shaped structure, and air inlet pipes 5 are fixed at both ends of the bottom of the exhaust duct main body 1, and a non-return mechanism is installed on the top of the exhaust channel 4, and protective plates 8 are detachably fixed in the two air inlet pipes 5, filter cotton 19 is embedded and fixed in the protective plate 8, and a positioning block 14 elastically provided on the outer wall of the protective plate 8 is inserted into the air inlet pipe 5, and a non-return valve 3 is provided on the top of the exhaust duct main body 1, and at the same time, the two air inlet pipes 5 on the exhaust duct main body 1 inhale air at both ends of the washing and drying machine, and during the air inhalation process, the filter cotton 19 embedded in the protective plate 8 blocks the fluff on the clothes, thereby avoiding the fluff entering the exhaust duct main body 1 and causing blockage.

[0031] The non-return mechanism includes a servo motor 2 fixed to the outer wall of the exhaust channel 4 and a non-return valve 3 rotatably arranged in the exhaust channel 4. Mounting grooves 6 are provided on both sides of the top surface of the exhaust channel 4. Both ends of the non-return valve 3 are rotatably arranged in the mounting grooves 6. A plurality of first mounting plates 7 are fixed to the outer wall of the exhaust duct main body 1. A second mounting plate 18 is installed on the air inlet pipe 5. Mounting holes 15 are provided on the first mounting plate 7 and the second mounting plate 18. Protective plates 8 are detachably embedded and installed on both sides of the bottom end surface of the exhaust duct main body 1. After the non-return valve 3 is closed, leakage of foam generated by washing is avoided. The exhaust duct main body 1 is conveniently kept fixed on the washing and drying machine through the mounting holes 15 on the first mounting plate 7 and the second mounting plate 18.

[0032] like Figure 3 and Figure 4 As shown, the side wall of the air inlet pipe 5 is provided with an air inlet channel 17 connected to the exhaust pipe main body 1, and a positioning groove 16 is provided at the top of the air inlet pipe 5, a rubber ring 9 is fixedly sleeved on the protective plate 8, and a protrusion 10 is provided on the inner wall of the protective plate 8, and a telescopic groove 11 extending into the protrusion 10 is provided on the outer wall of the protective plate 8, and a positioning block 14 is embedded in the telescopic groove 11, and the top of the positioning block 14 is inserted into the positioning groove 16, a spring 12 is embedded in the telescopic groove 11, and the bottom end of the positioning block 14 is fixed with a The anti-slip portion 13 abuts against the inner wall of the telescopic groove 11, and a positioning groove 16 is opened on the exhaust pipe. The spring 12 in the telescopic groove 11 at the top of the protective plate 8 pushes the positioning block 14 to fit and be inserted in the positioning groove 16, so that the protective plate 8 remains fixed in the air inlet pipe 5. After drying the clothes, the lint can be cleaned from the side wall of the protective plate 8, and the positioning block 14 is squeezed from the outer wall of the exhaust pipe to be moved out of the positioning groove 16, and the protective plate 8 is driven to be moved out of the exhaust pipe through the rubber ring 9, so that the protective plate 8 can be disassembled and cleaned.

[0033] The working principle provided by the utility model is that when in use, the check valve 3 prevents the leakage of foam generated by washing clothes after closing, and at the same time, the two air inlet pipes 5 on the exhaust duct body 1 suck air at both ends of the washing and drying machine, so that the steam generated by washing and drying is discharged from the exhaust duct body 1, and in the process of air suction, the filter cotton 19 embedded in the protective plate 8 blocks the lint on the clothes, and a positioning groove 16 is opened on the exhaust duct, and the spring 12 in the telescopic groove 11 at the top of the protective plate 8 pushes the positioning block 14 to fit and insert in the positioning groove 16, so that the protective plate 8 remains fixed in the air inlet pipe 5, and the lint can be cleaned from the side wall of the protective plate 8 after the clothes are dried, and the positioning block 14 is squeezed from the outer wall of the exhaust duct to be moved out of the positioning groove 16, and the protective plate 8 is driven to be moved out of the exhaust duct by the rubber ring 9, so that the protective plate 8 can be disassembled and cleaned, and the convenience of cleaning the filter cotton 19 is improved.

[0034] The present invention covers any substitution, modification, equivalent method and scheme made on the essence and scope of the present invention. In order to make the public have a thorough understanding of the present invention, specific details are described in detail in the following preferred embodiments of the present invention, and those skilled in the art can fully understand the present invention without the description of these details. In addition, in order to avoid unnecessary confusion about the essence of the present invention, well-known methods, processes, procedures, components and circuits are not described in detail.

[0035] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. An exhaust pipe, characterized in that: The invention comprises an exhaust duct body (1) and an exhaust passage (4) fixed to the top of the exhaust duct body (1); the exhaust duct body (1) is in a U-shaped structure, and air inlet pipes (5) are fixed to both ends of the bottom of the exhaust duct body (1); a non-return mechanism is installed at the top of the exhaust passage (4); protective plates (8) are detachably fixed in the two air inlet pipes (5); filter cotton (19) is embedded and fixed in the protective plates (8), and positioning blocks (14) are elastically provided on the outer wall of the protective plates (8) and are inserted into the air inlet pipes (5).

2. The exhaust pipe according to claim 1, characterized in that: The non-return mechanism comprises a servo motor (2) fixed to the outer wall of the exhaust passage (4) and a non-return valve (3) rotatably arranged in the exhaust passage (4).

3. The exhaust pipe according to claim 2, characterized in that: Both sides of the top end surface of the exhaust passage (4) are provided with mounting grooves (6), and both ends of the check valve (3) are rotatably arranged in the mounting grooves (6).

4. The exhaust pipe according to claim 1, characterized in that: A plurality of first mounting plates (7) are fixed to the outer wall of the exhaust duct body (1), a second mounting plate (18) is mounted on the air inlet duct (5), and mounting holes (15) are provided on both the first mounting plate (7) and the second mounting plate (18).

5. The exhaust pipe according to claim 1, characterized in that: The side wall of the air inlet pipe (5) is provided with an air inlet channel (17) which is in communication with the exhaust pipe main body (1), and a positioning groove (16) is provided at the top end of the air inlet pipe (5).

6. The exhaust pipe according to claim 5, characterized in that: A rubber ring (9) is fixedly sleeved on the protective plate (8), and a protrusion (10) is provided on the inner wall of the protective plate (8).

7. The exhaust pipe according to claim 6, characterized in that: The outer wall of the protective plate (8) is provided with a telescopic groove (11) extending into the raised portion (10); the positioning block (14) is embedded in the telescopic groove (11), and the top end of the positioning block (14) is inserted into the positioning groove (16).

8. The exhaust pipe according to claim 7, characterized in that: A spring (12) is embedded in the telescopic slot (11), and an anti-slip portion (13) abutting against the inner wall of the telescopic slot (11) is fixed to the bottom end of the positioning block (14).

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