Flow cavity, deodorization structure and drainer

Abstract

The utility model relates to a flow cavity, a deodorization structure and a drainer, and the flow cavity comprises a flow cavity body used for guiding fluid, the flow cavity body is provided with more than two turns along the trend so as to form a trap, and the bending of each turn occurs in a first plane; in a plane perpendicular to the trend of the flow cavity body, the outer section of the flow cavity body is locally arranged in a straight shape, and the position of the straight part on the outer section of the flow cavity body is oriented to be perpendicular to the direction of the first plane. According to the flow cavity provided by the embodiment of the invention, the flow cavity is applied to an S-shaped pipeline with a deodorization effect in a sewer pipeline of water equipment, so that a planar structure is formed on one side of the S-shaped pipeline, and for the formed S-shaped pipeline structure, the planar structure is beneficial to reducing the thickness of the S-shaped pipeline, so that the S-shaped pipeline with the deodorization effect tends to be flat; interference with the storage cabinet of the water equipment is avoided, so that the device can be more conveniently mounted in a gap between the storage cabinet of the water equipment and a wall.

Description

Technical Field

[0001] The present application relates to the technical field of sewage discharge, and in particular to a flow cavity, an anti-odor structure and a drain. Background Art

[0002] In the field of sewage discharge, a drain is usually used to connect water-using equipment such as a basin to a drainage pipe so that the wastewater generated by the water-using equipment can be discharged into the drainage pipe. In addition, in order to prevent the odor in the drainage pipe from flowing back to the water-using equipment through the drain, an anti-odor structure is usually set on the drain. The anti-odor structure is to set the local pipeline of the drain into an S shape to form a water trap and produce a certain water seal height, thereby preventing the odor from flowing back. The S-shaped pipeline setting can be set by a corrugated pipe or a hard pipe. Due to the structural characteristics of the corrugated pipe, dirt is easily accumulated inside it. For hard pipes, since the pipes need to be continuously bent and formed in an S shape, and the standards and specifications have requirements for the water seal height, the overall size of the anti-odor structure of the drain is relatively large. When a locker is set under the water-using equipment, the larger-sized anti-odor structure may interfere with the locker during the downward installation, making the gap between the bottom plate and the wall of the locker insufficient for the anti-odor structure to pass downward for installation. The locker also needs to be cut, causing certain inconveniences to the installation process. Utility Model Content

[0003] The purpose of the present application is to provide a flow cavity, an anti-odor structure and a drain, which can make the drainage installation of water-using equipment more convenient and prevent interference with the storage cabinets of the water-using equipment, thereby effectively solving the shortcomings of the prior art.

[0004] To this end, in a first aspect, an embodiment of the present application provides a flow chamber, comprising:

[0005] The flow cavity body is used to guide the fluid, and the flow cavity body is provided with more than two turns along the direction to form a water trap, and the bend of each of the turns occurs in the first plane;

[0006] Wherein, in a plane perpendicular to the direction of the flow cavity body, the outer cross section of the flow cavity body is partially straight, and the position of the straight part on the outer cross section of the flow cavity body is oriented in a direction perpendicular to the first plane.

[0007] In a possible implementation, the outer cross-section of the flow cavity body includes a first cross-sectional area and a second cross-sectional area, the first cross-sectional area and the second cross-sectional area enclose the outer cross-section of the flow cavity body, the first cross-sectional area is straight, and the second cross-sectional area is at least partially arc-shaped.

[0008] In a possible implementation manner, the first cross-sectional area is straight, and the second cross-sectional area is arc-shaped.

[0009] In a possible implementation manner, a distance from the first cross-sectional area to the farthest end of the second cross-sectional area is greater than an arc radius of the second cross-sectional area.

[0010] In the second aspect, an embodiment of the present application provides an anti-odor structure, including a first shell, a second shell and the above-mentioned flow cavity, wherein the first shell is a flat plate structure, the second shell is provided with a continuous groove, the first shell covers the groove of the second shell to form a flow cavity body, and the first shell is parallel to the first plane and corresponds to the first cross-sectional area of ​​the outer cross-section of the flow cavity body.

[0011] In a possible implementation, it further includes a first opening and a second opening, wherein the first opening is connected to the second opening through the flow cavity body.

[0012] In a possible implementation manner, the first through opening is arranged on the first shell, and the second through opening is arranged on the second shell.

[0013] In a third aspect, an embodiment of the present application provides a drain, comprising a drain pipe and the above-mentioned deodorizing structure, wherein the deodorizing structure is connected to the downstream end of the drain pipe through a second opening along the direction of water flow.

[0014] In one possible implementation, the sewer pipe includes a first pipe section, a second pipe section and a third pipe section connected in sequence, the downstream end of the first pipe section is connected to the upstream end of the second pipe section, the upstream end of the first pipe section is used to connect to the water-using equipment, the upstream end of the third pipe section is connected to the downstream end of the second pipe section, and the downstream end of the third pipe section is connected to the second opening.

[0015] In a possible implementation, the second pipe segment and the third pipe segment, as well as the third pipe segment and the second opening are rotatably connected.

[0016] According to the flow cavity provided in the embodiment of the present application, the flow cavity is applied to the S-shaped pipe with deodorizing effect in the sewer pipe of the water-using equipment, so that one side of the S-shaped pipe forms a planar structure. For the formed S-shaped pipe structure, the planar structure is conducive to reducing the thickness of the S-shaped pipe, so that the S-shaped pipe with deodorizing effect tends to be flat, avoiding interference with the storage cabinet of the water-using equipment, so that it can be more conveniently installed in the gap between the storage cabinet of the water-using equipment and the wall. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the structure of the flow chamber provided in an embodiment of the present application;

[0018] Figure 2 A schematic diagram of the cross-sectional shape of a flow cavity body provided in one embodiment of the present application;

[0019] Figure 3 A schematic diagram of the cross-sectional shape of a flow cavity body provided in another embodiment of the present application;

[0020] Figure 4 A side view of the anti-odor structure provided by an embodiment of the present application along a horizontal direction within a first plane;

[0021] Figure 5 A view of the anti-odor structure provided by an embodiment of the present application along a direction perpendicular to the first plane;

[0022] Figure 6 A schematic diagram of the structure of a drain provided in an embodiment of the present application;

[0023] Figure 7 A schematic cross-sectional view of a structure for achieving a rotational connection provided in an embodiment of the present application. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0025] like Figure 1-Figure 7As shown, an embodiment of the present application provides a flow cavity, which is used to guide fluid. The flow cavity is a continuous diversion space. In the current field of drains, an anti-odor structure is usually set to prevent the odor in the drainage pipe from flowing back to the water-using equipment. The anti-odor structure generally bends the pipe in an S shape so that a water trap can be formed in the local area to prevent the odor from flowing back. For the form of wall drainage, that is, the interface of the building drainage pipe is set on the wall, one end of the drain is required to be connected to the water-using equipment, and the other end extends to the wall and is connected to the drainage pipe interface on the wall. Along the direction of the drain, the anti-odor structure can be set at the upstream position of the drain or at the downstream position of the drain. When a storage cabinet is set under the water-using equipment, such as a bathroom cabinet or a kitchen cabinet, a storage cabinet entry must be set For storing items in the locker, if the anti-odor structure is set at the upstream position of the drain, the anti-odor structure is directly in the locker, affecting the size of the storage space; if the anti-odor structure is located at the downstream position of the drain, the anti-odor structure needs to pass through the locker along the wall downward, and the gap space between the bottom plate and the wall of the locker in the industry is mostly at the level of 8 cm. Due to the continuous bending and forming of the pipe and the requirements of the standard specification on the water seal height, the gap of 8 cm is not enough for the anti-odor structure to pass through. Therefore, the bottom wall of the locker must be cut, which causes certain inconveniences in the installation process. The flow cavity provided in the embodiment of the present application aims to optimize the size of the anti-odor structure by improving the flow cavity structure, so that it can pass through the gap between the locker and the wall more smoothly, thereby improving the convenience of installation.

[0026] As for the flow cavity, there is no specific restriction on the structure that can limit the shape of the guide space. For example, it can be a channel with the shape of the guide space formed in an integral solid seat-like structure, or it can be an internal channel formed by a pipe with the same shape and direction as the guide space.

[0027] Preferably, the flow cavity includes a flow cavity body 1, which is used to guide fluids such as sewage. The flow cavity body 1 is continuous in direction, and more than two turns are arranged along the direction of the flow cavity body 1 to form a water trap, so as to form a water seal when discharging sewage, etc., to prevent odor from flowing back, and the bending of each turn occurs in the same plane, which is taken as the first plane, that is, the flow cavity body 1 is bent in the first plane to form more than two turns. Preferably, in a plane perpendicular to the direction of the flow cavity body 1, the outer cross-section of the flow cavity body 1 is partially straight, and the straight part is partially in the outer cross-section of the flow cavity body 1. The position orientation on the cavity body 1 is perpendicular to the direction of the first plane, that is, for the outer cross-sectional shape of the cavity body 1, a part of the outer cross-sectional shape is straight, and the straight part is parallel to the first plane. In other words, the cavity body 1 is continuously bent to form a quasi-flat structure in the first plane, and one side of the quasi-flat structure forms a straight section-like structure, and the straight section-like structure is parallel to the first plane. In practice, the straight section-like structure is used to contact and fit with the wall. At that time, when the cavity is applied to the deodorizing structure, the side of the deodorizing structure in contact with the wall is a section-like structure to form a surface contact.

[0028] Preferably, the number of turns is two, and an S-shaped path is formed to form a water trap.

[0029] Under the action of the flow cavity body 1 structure, the size of the flow cavity body 1 is reduced in the direction perpendicular to the first plane. In practice, when the flow cavity body 1 is formed by the restriction of pipe fittings, in order to make the pipe diameter and the like meet the standard requirements, the size of the flow cavity body 1 in the direction along the first plane can be appropriately increased, that is, the flow cavity body 1 tends to be flatter, thinner, and has a larger extension area in the first plane. In addition, the flow cavity body 1 is thinly attached to the wall, which is conducive to installation in a smaller wall gap, avoids cutting the bottom wall of the locker, and the installation process is more convenient.

[0030] Regarding the outer cross-sectional shape of the cavity body 1 in the cross-sectional direction, the outer cross-sectional shape of the cavity body 1 includes a first cross-sectional area 101 and a second cross-sectional area 102. The first cross-sectional area 101 and the second cross-sectional area 102 enclose the outer cross-sectional shape of the cavity body 1. The first cross-sectional area 101 is the straight portion mentioned above, and at least part of the second cross-sectional area 102 is an arc. For example, the second cross-sectional area 102 can be as follows: Figure 2 The middle portion is arc-shaped and the two sides are straight, so that the second cross-sectional area 102 and the first cross-sectional area 101 enclose a shape similar to an arch. Preferably, the first cross-sectional area 101 is straight and the second cross-sectional area 102 is all arc-shaped. Figure 3As shown, that is, the cross-section of the flow cavity body 1 is a shape formed after cutting away part of the edge of the circle, the cutting direction is parallel to the diameter direction, the first cross-sectional area 101 is parallel to the first plane, and more preferably, in an embodiment where the first cross-sectional area 101 is straight and the second cross-sectional area 102 is arc-shaped as a whole, the distance from the first cross-sectional area 101 to the farthest end of the second cross-sectional area 102 is greater than the arc radius of the second cross-sectional area 102, that is, the area of ​​the cutting notch generated by the first cross-sectional area 101 is less than half of the area of ​​the circle in which it is located. In this way, when the cross-sectional area of ​​the flow cavity body 1 is compensated according to the missing amount of the cross-sectional area of ​​the flow cavity body 1 caused by the straight setting of the first cross-sectional area 101, the increase in the extension area in the first plane is relatively small, the degree of flattening is smaller, and the reduction in the overall size is more reasonable, which is conducive to the setting of the overall structural size and avoids the phenomenon of being too flat and unsightly. The compensation of the cross-sectional area is to meet the requirements for the sewer pipe diameter in the standard specification.

[0031] The present application also provides an anti-odor structure, such as Figure 4 and Figure 5As shown, the deodorizing structure is applied to the sewer pipe, and the above-mentioned flow cavity is formed in the deodorizing structure. The deodorizing structure can be a pipe with continuous turns to form the above-mentioned flow cavity body 1. The reduction in the size of the above-mentioned flow cavity body 1 corresponds to the reduction in the size of the deodorizing structure. It is only necessary to increase the consideration of the wall thickness of the deodorizing structure. Preferably, the deodorizing structure includes a first shell 21, a second shell 22 and the above-mentioned flow cavity. The first shell 21 and the second shell 22 cooperate to form the above-mentioned flow cavity body 1. In this embodiment, the first shell 21 is a flat plate structure, and the second shell 22 is provided with an open groove 221 with a continuous direction. The direction of the groove 221 corresponds to the direction of the flow cavity body 1. After the first shell 21 is covered on the second shell 22, the groove 221 can be covered to form the flow cavity body 1, and the first shell 21 is parallel to the first plane. The straight shape of the first shell 21 corresponds to the first cross-sectional area 101 of the outer cross-sectional area of ​​the flow cavity body 1. In this embodiment, the groove 221 is a concave continuous groove formed on the second shell 22. The groove structure, after the first shell 21 and the second shell 22 are combined, the first shell 21 blocks the top opening of the groove 221 on the second shell 22, thereby forming a channel structure along the groove 221, and the channel structure is the flow cavity body 1. In the cross-sectional direction of the channel structure, the straight first shell 21 constitutes the first cross-sectional area 101, and the inner wall cross-sectional shape of the groove 221 constitutes the second cross-sectional area 102. A water seal can be formed in the deodorizing structure. Preferably, the deodorizing structure also includes a first The first through-port 2101 and the second through-port 2202 are connected through the flow cavity body 1, and the deodorizing structure is connected to the sewer pipe through the first through-port 2101 and the second through-port 2202. More preferably, the first through-port 2101 is arranged on the first shell 21, and the second through-port 2202 is arranged on the second shell 22. By setting the first through-port 2101 or the second through-port 2202 as the inlet and outlet ends of the deodorizing structure, it is convenient to identify and the convenience of installation is improved.

[0032] In this embodiment, the first shell 21 is an integral flat-plate structure, the direction of the groove 221 on the second shell 22 is the same as the direction of the flow cavity body 1, and the inner wall shape of the groove 221 corresponds to the shape of the second cross-sectional area 102, the thickness of the groove 221 on the second shell 22 only needs to meet the requirements of the standard specifications to avoid affecting the size of the deodorizing structure, the first shell 21 and the second shell 22 are preferably a split structure, and the material is plastic or other injection-molded materials, which can be injection-molded separately and then connected by hot melting, welding and other processes. When connected, the two sides of the cross section of the groove 221 on the second shell 22 are sealed and connected to the first shell 21, so that the groove 221 can be blocked and the flow cavity body 1 is formed, and the two ends of the groove 221 correspond to the first opening 2101 and the second opening 2202 respectively. More preferably, when the second shell 22 is vertical, the S direction of the groove 221 on the second shell 22 occurs in the first plane, Along the direction of water flow, the groove 221 first extends downward, then bends upward to form a first turn, and then bends downward to form a second turn, thus forming an S-shaped bending structure to form a water trap. At this time, the first plane is a vertical plane, and the groove 221 extends upward along one end and is an upwardly open structure, and the other end of the groove 221 extends downward and is a blind end downward at this end. After the first shell 21 covers the second shell 22, the end extending upward along the direction of the groove 221 forms an upwardly facing opening structure, which constitutes the second opening 2202. At the position of the blind end of the end extending downward along the direction of the groove 221, a side through hole is set on the first shell 21 corresponding to the blind end, and the side through hole constitutes the first opening 2101. In this way, when the deodorizing structure is attached to the wall, the first opening 2101 can be directly connected to the drainage pipe interface of the wall row, which makes installation more convenient and conducive to space utilization.

[0033] More preferably, a sewage outlet 222 is also provided on the second shell 22, and the sewage outlet 222 is connected to the second shell 22 and communicated with the groove 221. The sewage outlet 222 is arranged at a position close to the first turn of the groove 221, so as to facilitate the discharge of dirt that is easily retained there. A sealing cap is detachably provided on the sewage outlet 222 for sealing and sewage discharge.

[0034] Preferably, the flat thickness of the deodorizing structure is less than 8 cm, and the water seal height of the flow cavity body 1 formed inside is not less than 5 cm.

[0035] like Figure 6As shown, the embodiment of the present application also provides a drain, which is used to be installed between the water-using equipment and the drainage pipe. The drain includes a drain pipe 3 and the above-mentioned deodorizing structure. The drain pipe 3 and the deodorizing structure are connected to each other. Along the water flow direction in the drain, the drain pipe 3 has an upstream end and a downstream end. The deodorizing structure is connected to the downstream end of the drain pipe 3 through the second opening 2202. The upstream end of the drain pipe 3 is connected to the water-using equipment, and the downstream end of the drain pipe 3 is connected to the deodorizing structure. The downstream end of the drain pipe 3 is connected to the deodorizing structure. At the second opening 2202, the sewer pipe 3 and the flow cavity body 1 in the deodorizing structure are connected, so that the deodorizing structure is located downstream of the sewer as a whole, and the part connected to the water-using equipment is in the form of a pipe fitting, and the deodorizing structure is extended to the wall for installation. On the one hand, it can avoid affecting the storage space under the water-using equipment. On the other hand, the flattening of the flow cavity body 1 makes the deodorizing structure tend to be flat, so it can be easily installed in the gap between the bottom plate of the locker and the wall, avoiding cutting of the bottom plate of the locker, and the installation process is more convenient.

[0036] In this embodiment, the downstream end of the sewer pipe 3 is connected to the second opening 2202 of the deodorizing structure. After the deodorizing structure is attached to the wall, that is, the first shell 21 is attached to the wall, it can be directly connected to the interface of the drainage pipe through the first opening 2101. Preferably, a drainage connecting pipe 216 can be set at the first opening 2101, and the drainage connecting pipe 216 is connected to the flow cavity body 1 through the first opening 2101, and is connected to the drainage pipe interface of the wall through the drainage connecting pipe 216, which is convenient for installation. A water inlet connecting pipe 226 can also be set at the second opening 2202, and the water inlet connecting pipe 226 is connected to the flow cavity body 1 through the second opening 2202, and is conveniently connected to the downstream end of the sewer pipe 3 through the water inlet connecting pipe 226.

[0037] Preferably, the sewer pipe 3 includes a first pipe section 301, a second pipe section 302 and a third pipe section 303. Along the direction of water flow, the first pipe section 301, the second pipe section 302 and the third pipe section 303 are connected in sequence. The upstream end of the first pipe section 301 is used to connect to the water-using equipment, the downstream end of the first pipe section 301 is connected to the upstream end of the second pipe section 302, the downstream end of the second pipe section 302 is used to connect to the upstream end of the third pipe section 303, and the downstream end of the third pipe section 303 is used to connect to the water inlet connecting pipe 2. 26 connection, in this embodiment, the first pipe section 301 is vertically arranged, the second pipe section 302 is horizontally arranged, and the third pipe section 303 is vertically arranged, so that the pipeline arrangement below the water-using equipment is more regular, which is conducive to space saving and layout. When the water-using equipment is a washbasin, the height between the bottom of the washbasin and the bottom of the first pipe section 301 is preferably within 10 cm, which can occupy less storage space below the water-using equipment, that is, the height difference between the bottom of the washbasin and the first pipe section 301 is within 10 cm.

[0038] In another embodiment, the second pipe segment 302 and the third pipe segment 303, as well as the third pipe segment 303 and the second port 2202 are all rotatably connected. The rotatable connection between the third pipe segment 303 and the second port 2202 is achieved by the coaxial and rotatable connection between the third pipe segment 303 and the water inlet connecting pipe 226. In addition, a rotatable connection can also be achieved between the first pipe segment 301 and the lower end joint of the drain. In this way, the orientation of each component is adjusted according to the space, as long as a water seal can be formed in the deodorizing structure, and the installation convenience is higher. In this embodiment, for the rotatable connection between the second pipe segment 302 and the third pipe segment 303, a horizontal transition pipe with a length of less than 5 cm can be integrally provided at the upstream end of the third pipe segment 303, and the transition pipe is coaxially and rotatably connected to the downstream end of the second pipe segment 302.

[0039] Preferably, a front end joint 3011 is provided at the upstream end of the first pipe segment 301, and a conversion joint 3012 is coaxially and rotatably provided at the upstream end of the front end joint 3011 of the first pipe segment 301. The conversion joint 3012 and the front end joint 3011 of the first pipe segment 301 are detachable, and a variety of different types of conversion joints 3012 can be equipped, and corresponding conversion joints 3012 can be adapted according to different water-using equipment and drains.

[0040] For the realization of the rotation connection of each part, in one embodiment, the following can be used: Figure 7 The movable sealing structure shown in the figure comprises an outer tube 5 and an inner tube 6. One end of the outer tube 5 can be sleeved on the outer peripheral side of one end of the inner tube 6. A locking nut 7 is arranged between the inner tube 6 and the outer tube 5. The locking nut 7 is a cylindrical structure. The locking nut 7 can be movably sleeved on the outer side of the inner tube 6. One end of the locking nut 7 is extended inwardly to be provided with a flange 701. The inner diameter of the flange 701 is slightly larger than the outer diameter of the inner tube 6. The locking nut 7 can be threadedly connected with the outer tube 5. The inner wall of the locking nut 7 is provided with an internal thread, and the outer side of the end of the outer tube 5 is provided with an external thread. When the locking nut 7 is screwed, the flange 701 on the locking nut 7 can be tightly pressed against the end of the outer tube 5. The end of the outer tube 5 A chamfer 501 is provided on the inner side, and a rubber sealing ring 8 matched with the chamfer 501 is provided there. When the locking nut 7 is screwed, the convex edge 701 on the locking nut 7 squeezes the rubber sealing ring 8 into the gap formed by the chamfer 501 structure and the inner tube 6, so that the rubber sealing ring 8 is in close contact with the inner tube 6 and the outer tube 5, thereby forming a seal there and forming a connection between the inner tube 6 and the outer tube 5. When rotation adjustment is required, the locking nut 7 is loosened, the convex edge 701 on the locking nut 7 is away from the outer tube 5, the rubber sealing ring 8 is released, and the friction force of the rubber sealing ring 8 on the inner tube 6 and the outer tube 5 is reduced, so that the inner tube 6 and the outer tube 5 can be relatively rotationally adjusted.

[0041] In the above, the lower end joint of the drain refers to the transition connection part between the drain and the water-using equipment.

[0042] It should be noted that the phrases "one embodiment", "an embodiment", "an exemplary embodiment", "some embodiments", etc. mentioned in the specification indicate that the described embodiments may include certain features, structures or characteristics, but not every embodiment may include the certain features, structures or characteristics. In addition, such phrases do not necessarily refer to the same embodiment. In addition, when describing certain features, structures or characteristics in conjunction with an embodiment, it is within the knowledge of those skilled in the art to implement such features, structures or characteristics in conjunction with other embodiments, whether explicitly or not explicitly described.

[0043] It should be easily understood that “on,” “above,” and “over” in the present disclosure should be interpreted in the broadest manner, so that “on” not only means “directly on something,” but also includes the meaning of “on something” with intervening features or layers therebetween, and “above” or “over” not only includes the meaning of “above” or “over,” but also may include the meaning of “above” or “over something” with no intervening features or layers therebetween (i.e., directly on something).

[0044] In addition, spatially relative terms, such as "below," "below," "beneath," "above," "above," etc., may be used herein for ease of description to describe the relationship of one element or feature relative to other elements or features as shown in the figures. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation shown in the figures. The device may have other orientations (rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein may likewise be interpreted accordingly.

[0045] It should be noted that, in this article, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0046] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A flow chamber, characterized in that: include: The flow cavity body is used to guide the fluid, and the flow cavity body is provided with more than two turns along the direction to form a water trap, and the bend of each of the turns occurs in the first plane; Wherein, in a plane perpendicular to the direction of the flow cavity body, the outer cross section of the flow cavity body is partially straight, and the position of the straight part on the outer cross section of the flow cavity body is oriented in a direction perpendicular to the first plane.

2. A flow chamber according to claim 1, characterized in that: The outer cross-section of the flow cavity body includes a first cross-section area and a second cross-section area, which enclose the outer cross-section of the flow cavity body. The first cross-section area is straight, and the second cross-section area is at least partially arc-shaped.

3. A flow chamber according to claim 2, characterized in that: The first cross-sectional area is straight, and the second cross-sectional area is arc-shaped.

4. A flow chamber according to claim 3, characterized in that: The distance from the first cross-sectional area to the farthest end of the second cross-sectional area is greater than the arc radius of the second cross-sectional area.

5. An anti-odor structure, characterized in that: It includes a first shell, a second shell and a flow chamber as described in any one of claims 1 to 4, wherein the first shell is a flat plate structure, the second shell is provided with a continuous groove, the first shell covers the groove of the second shell to form a flow chamber body, and the first shell is parallel to the first plane and corresponds to the first cross-sectional area of ​​the outer cross-section of the flow chamber body.

6. The deodorizing structure according to claim 5, characterized in that: The first opening is connected to the second opening through the flow cavity body.

7. The deodorizing structure according to claim 6, characterized in that: The first opening is arranged on the first shell, and the second opening is arranged on the second shell.

8. A drain, characterized in that: It comprises a sewer pipe and the deodorizing structure as described in any one of claims 5 to 7, wherein the deodorizing structure is connected to the downstream end of the sewer pipe through a second opening along the water flow direction.

9. A drain according to claim 8, characterized in that: The sewer pipe includes a first pipe section, a second pipe section and a third pipe section which are connected in sequence, wherein the downstream end of the first pipe section is connected to the upstream end of the second pipe section, the upstream end of the first pipe section is used to be connected to the lower end joint of the sewer, the upstream end of the third pipe section is connected to the downstream end of the second pipe section, and the downstream end of the third pipe section is connected to the second opening.

10. A drain according to claim 9, characterized in that: The second pipe section and the third pipe section as well as the third pipe section and the second opening are rotatably connected.

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