Ventilation pipeline easy to clean

Abstract

The utility model relates to an easy-to-clean ventilating duct, which is characterized by comprising a plurality of pipe bodies, the ventilating duct is formed by sequentially connecting the plurality of pipe bodies, the outer wall of each pipe body is provided with an opening, the opening is communicated with the inner wall of the pipe body, the opening is provided with a detachable closing plate, and the closing plate is provided with a plurality of through holes. And the closing plate opens or closes the opening through disassembly and assembly. The pipeline cleaning device has the following advantage and effect that the interior of a passing pipeline can be conveniently cleaned.

Description

TECHNICAL FIELD

[0001] The utility model relates to a ventilation pipeline technical field, concretely relates to an easy clean ventilation pipeline. BACKGROUND

[0002] The ventilation pipeline is a pipeline for air circulation, which is generally made of galvanized and stainless steel plate.

[0003] For example, the Chinese patent technical document with the publication number CN216896197U discloses a low-noise quick-mounting ventilation pipeline, which comprises a ventilation pipeline body and a connecting piece. The ventilation pipeline body is a cylindrical structure formed by the insertion and cooperation of plates, and the plates adopt a hollow structure. The connecting piece has an F-shaped structure in the longitudinal section, and the connecting piece is buckled at the end of the plate. The adjacent connecting pieces are fixedly connected to form a connecting flange. The adjacent ventilation pipeline bodies are connected through the connecting flange. The connecting piece is provided with a groove, which forms a rubber pad groove between the adjacent connecting flanges. The rubber pad is placed in the rubber pad groove to prevent air leakage at the connection between the adjacent ventilation pipeline bodies.

[0004] In the above technical solution, the connection between the ventilation pipeline bodies through the connecting flange can effectively improve the convenience of disassembly and assembly. However, after a long period of use, a large amount of dust will accumulate inside the pipeline body, and the interior of the pipeline body needs to be cleaned. However, after the ventilation pipeline body is assembled, the overall length of the ventilation pipeline body is relatively long, making it difficult for the cleaning tool to fully extend into the interior of the pipeline body for cleaning, thereby causing certain inconvenience and limitation during cleaning. SUMMARY

[0005] In view of the deficiencies of the prior art, the purpose of the utility model is to provide an easy-to-clean ventilation pipeline that can facilitate internal cleaning.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an easy-to-clean ventilation pipeline, comprising a pipe body, the pipe body is a plurality of, the ventilation pipeline is connected by a plurality of pipe bodies in turn, the pipe body outer wall is equipped with an opening, the opening is communicated with the pipe body inner wall, the opening is equipped with a detachable closing plate, the closing plate is opened or closed by disassembling to open or close the opening.

[0007] The utility model is further provided: the pipe body is located at the opening and is provided with an inwardly offset connecting plate, the connecting plate is integrally arranged with the pipe body, a downwardly recessed first mounting groove is arranged on the connecting plate, the first mounting groove is arranged around the opening, a first sealing ring is arranged in the first mounting groove, a protruding extrusion block is arranged on the side of the closing plate facing the opening, and the extrusion block is used for extruding the first sealing ring to form a sealing fit therebetween.

[0008] The utility model further sets up: the pipe body is located at the opening and is equipped with the second installation groove that sets up around the opening, the second installation groove is located above the first installation groove, the second installation groove is inlayed and is equipped with the second sealing ring, the closure plate periphery and the second sealing ring extrude each other to constitute the sealed fit between both.

[0009] The utility model further sets up: the closure plate is located one side of opening back and is equipped with the handle, the handle is fixed to the closure plate surface.

[0010] The utility model further sets up: be equipped with the first threaded hole on the connecting plate, the first threaded hole is multiple and sets up around the opening, be equipped with the second threaded hole that passes through on the closure plate, the second threaded hole is opposite with the first threaded hole.

[0011] The utility model further sets up: be equipped with the slot on the connecting plate, the slot is multiple and sets up around the opening, the closure plate is located one side to the opening and is equipped with the plug that is opposite with the slot, the plug and the slot are adapted.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] Because the multiple openings are set up on the pipe body peripheral wall, and the detachable closure plate is equipped at the opening, so when needing to clean the inside of the ventilation duct, only needs to make the cleaning tool, for example, the cleaning brush through each pipe body opening to extend into each pipe body to clean the inside of each pipe body, so that the inside of the whole ventilation duct can be fully cleaned, therefore, effectively solve the technical problem that the whole length of the assembled ventilation duct is longer in the prior art, so that the cleaning tool cannot be fully extended, leading to insufficient cleaning of the inside of the ventilation duct. When normal ventilation is carried out, the opening can be closed by installing the closure plate, so that air leakage from the opening during circulation can be avoided. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the whole structure schematic diagram of not installing filter screen for example one;

[0015] Figure 2 It is the local explosion structure schematic diagram of not installing filter screen for example one;

[0016] Figure 3 It is the local internal structure schematic diagram of not installing filter screen for example one;

[0017] Figure 4 It is the local structure schematic diagram of installing filter screen for example one;

[0018] Figure 5 It is the local internal structure schematic diagram of installing filter screen for example one;

[0019] Figure 6 Schematic diagram of the local explosion structure of Example 2. DETAILED DESCRIPTION

[0020] The technical solutions of the present application will be clearly and completely described below with reference to the drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0021] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0022] Example 1

[0023] As shown in Figures 1 to 3 The present embodiment discloses an easy-to-clean ventilation duct, which is composed of a plurality of pipe bodies 1 connected in sequence, for example, each pipe body 1 is connected by welding. Each pipe body 1 is provided with a through opening 2 on the outer wall, and a detachable closure plate 3 is installed at the opening 2. By disassembling the closure plate 3, the opening 2 can be opened or closed. When cleaning the inside of the ventilation duct is needed, only need to put the cleaning tool, such as cleaning brush, through the opening 2 on each pipe body 1 into each pipe body 1 to clean the inside of each pipe body 1, so as to fully clean the inside of the whole ventilation duct; when normal ventilation is carried out, the opening 2 can be closed by installing the closure plate 3, so as to avoid air leakage from the opening 2 during circulation.

[0024] In the present embodiment, in order to enhance the sealing performance of the closure plate 3 closing the opening 2, the pipe body 1 is provided with an integral connecting plate 4 offset inward at the edge of the opening 2. A first installation groove 41 recessed downward is formed on the connecting plate 4, the first installation groove 41 is arranged around the opening 2, and a first sealing ring 42 is embedded in the first installation groove 41. The side of the closure plate 3 facing the opening 2 is provided with a protruding extrusion block 31, which is pressed into the first installation groove 41 and compresses the first sealing ring 42 during installation, forming a first sealing fit;

[0025] Further, a second mounting groove 5 is arranged around the opening 2 above the connecting plate 4, and a second sealing ring 6 is embedded in the second mounting groove 5. When the closing plate 3 is installed, the outer edge of the closing plate 3 is in contact with the second sealing ring 6 and is extruded to form a second sealing fit. In this way, double sealing can be realized to ensure the sealing performance of the closing plate 3 when closing the opening 2 and effectively avoid air leakage from the opening 2 during circulation.

[0026] In this embodiment, two handles 7 are symmetrically fixed on the side of the closing plate 3 away from the opening 2. When the closing plate 3 is disassembled and assembled, it can be easily held to improve the convenience during disassembly and assembly.

[0027] In this embodiment, the fixing mode of the closing plate 3 is bolt connection. Specifically, a plurality of first threaded holes 43 are uniformly distributed around the opening 2 on the connecting plate 4, and the closing plate 3 is provided with a second threaded hole 32 penetrating the corresponding position. When the closing plate 3 is installed, a locking member which can form a threaded fit with the first threaded hole 43 and the second threaded hole 32 is screwed to complete the fixation of the closing plate 3.

[0028] As shown in FIG. 4, the first threaded hole 43 and the second threaded hole 32 are arranged in a staggered manner. Figures 4 to 5As shown, in order to facilitate subsequent cleaning of the inside of the ventilation duct, a detachable filter screen is further installed at the two side ports of the ventilation duct in the embodiment, which is used to filter the impurities such as dust from the outside to reduce the impurities such as dust from the outside into the inside of the ventilation duct. Specifically, a connecting seat 200 is fixed symmetrically inside the pipe body 1, which is used to support the frame 100 of the filter screen, a guide portion 200a is arranged on the side of the connecting seat 200 away from the outside of the pipe body 1, and a connecting hole is arranged through the connecting seat 200, and the frame 100 of the filter screen is provided with a mounting seat 300 which can be inserted into the connecting hole, the mounting seat 300 is provided with a through hole 300a inside, and the outer periphery of the mounting seat 300 is provided with a top outlet 300b which is in communication with the through hole 300a, and the top outlet 300b contains a top pressing steel ball 400, in addition, a sliding rod 500 is arranged in the through hole 300a, the outer periphery of the sliding rod 500 is provided with a containing groove 500a corresponding to the top pressing steel ball 400, the sliding rod 500 slides to make the containing groove 500a opposite or staggered with the top pressing steel ball 400, and a reset spring 600 is arranged in the through hole 300a, which is used to reset the sliding rod 500. In this way, when installing the filter screen, first press the sliding rod 500 to make the containing groove 500a opposite to the top pressing steel ball 400, so that the top pressing steel ball 400 can fall into the containing groove 500a to contact the top pressing force of the top pressing steel ball 400 on the guide portion 200a, so that the mounting seat 300 and the guide portion 200a can slide relative to each other, and then the filter screen can be installed on or removed from the connecting seat 200, after the filter screen is installed on the connecting seat 200, the sliding rod 500 is released, and the sliding rod 500 is reset under the action of the reset spring 600, so that the containing groove 500a is staggered with the top pressing steel ball 400, so that the sliding rod 500 can tightly press the top pressing steel ball 400 in the inner wall of the guide portion 200a, so that the mounting seat 300 can be limited, and the fixing of the filter screen is completed, and the convenience of disassembling the filter screen is improved.

[0029] Embodiment two

[0030] As Figure 6 shown, the difference of the embodiment is that the fixing way of the closing plate 3 adopts the plug-in mode. Specifically, a plurality of insertion grooves 44 are arranged on the connecting plate 4, and a plurality of insertion blocks 33 are arranged on the side of the closing plate 3 facing the opening 2, and the insertion blocks 33 are inserted into the insertion grooves 44 and fixed by the friction force generated by the contact between them.

[0031] Working process: during actual cleaning, the operator loosens the locking part or holds the handle 7 and pulls out the closing plate 3 to pull out the plug 33 from the slot 44, so that the opening 2 is completely exposed, and then the inner wall of the pipeline is cleaned or maintained through the opening 2. After completion, the closing plate 3 is pushed into the opening 2 again, ensuring that the extrusion block 31 is pressed against the first sealing ring 42, the outer edge of the closing plate 3 is pressed against the second sealing ring 6, and finally the locking part or the plug 33 is locked. The design prevents air leakage through the double sealing structure, and each pipe body 1 can be locally cleaned without disassembling the entire ventilation pipeline, and finally the entire ventilation pipeline is cleaned.

[0032] The specific embodiment is only an explanation of the utility model, and is not a limitation of the utility model. Those skilled in the art can make modifications to the embodiment without creative contribution after reading the specification, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

Claims

1. An easy-to-clean air duct, characterized in that The utility model provides a ventilation pipe, which comprises a plurality of pipe bodies, the ventilation pipe is sequentially connected by the plurality of pipe bodies, an opening is arranged on the outer wall of the pipe body, the opening is communicated with the inner wall of the pipe body, a detachable closing plate is arranged at the opening, and the opening is opened or closed by disassembling the closing plate.

2. A self-cleaning vented duct according to claim 1, wherein, The pipe body is provided with an inwardly offset connecting plate at the opening, the connecting plate is integrally arranged with the pipe body, a downwardly recessed first mounting groove is arranged on the connecting plate, the first mounting groove is arranged around the opening, a first sealing ring is arranged in the first mounting groove, the closing plate is provided with a protruding extrusion block on the side facing the opening, the extrusion block is used for extruding the first sealing ring to form a sealing fit therebetween.

3. A self-cleaning vented duct according to claim 2, wherein, The pipe body is provided with a second mounting groove arranged around the opening at the opening, the second mounting groove is arranged above the first mounting groove, a second sealing ring is embedded in the second mounting groove, and the closing plate and the second sealing ring are extruded with each other to form a sealing fit therebetween.

4. A self-cleaning vented duct according to claim 3, wherein, The closing plate is provided with a handle on the side away from the opening, and the handle is symmetrically fixed to the surface of the closing plate.

5. A self-cleaning vented duct in accordance with claim 2 wherein, A first threaded hole is arranged on the connecting plate, the first threaded hole is a plurality of and arranged around the opening, a second threaded hole is arranged on the closing plate and penetrates through, and the second threaded hole is opposite to the first threaded hole.

6. A self-cleaning vented duct in accordance with claim 2 wherein, An insertion slot is arranged on the connecting plate, the insertion slot is a plurality of and arranged around the opening, and the closing plate is provided with an insertion block opposite to the insertion slot on the side facing the opening, and the insertion block is matched with the insertion slot.

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