CN220521478U - Sewer pipeline and cleaning device - Google Patents

Abstract

The utility model discloses a sewer pipe and a cleaning device, which comprises an inner sewer pipe and an outer sewer pipe, wherein the inner sewer pipe is provided with a first drainage cavity, the outer sewer pipe is provided with a second drainage cavity, at least part of the inner sewer pipe stretches into the second drainage cavity and enables the first drainage cavity to be communicated with the second drainage cavity, the inner sewer pipe is connected to the inner wall of the second drainage cavity in a sliding manner, at least part of the outer wall of the inner sewer pipe is in sealing fit with the inner wall of the second drainage cavity, and the inner sewer pipe and/or the outer sewer pipe are/is provided with positioning pieces which are used for enabling the inner sewer pipe to stretch out of the outer sewer pipe and have different lengths, wherein at least one positioning piece is detachably arranged on the inner sewer pipe and/or the outer sewer pipe. The application can be applicable to cleaning devices of different models, and the applicability of the cleaning device is improved.

Description

Sewer pipeline and cleaning device

Technical Field

The application relates to the technical field of cleaning appliances, in particular to a sewer pipeline and a cleaning device.

Background

Existing washing devices such as sinks or dishwashers include a drain line for draining sewage and some small debris and communicate the drain line to a municipal drain line.

The washing devices such as the water tank, the dish washer and the like have different models, and the sizes and the configurations of the models are different, so that the same model of sewer pipe cannot be applied.

Disclosure of Invention

In a first aspect, the present application provides a sewer line in order to expand its applicability.

The application provides a sewer pipeline, adopts following technical scheme:

the utility model provides a sewer pipeline, includes interior downcomer and outer downcomer, interior downcomer has first drainage chamber, outer downcomer has second drainage chamber, interior downcomer at least part stretches into in the second drainage chamber and makes first drainage chamber communicate in the second drainage chamber, interior downcomer sliding connection is in second drainage intracavity wall, interior downcomer at least part outer wall and second drainage intracavity wall sealing fit, interior downcomer and/or outer downcomer are provided with the setting element that is used for making interior downcomer stretch into the different length of outer downcomer, wherein at least one the setting element is releasably set up in interior downcomer and/or outer downcomer, when releasing the setting element, can change interior downcomer stretches into outer downcomer's degree of depth.

Optionally, the external diameter of at least part of the outer wall of the inner downcomer is smaller than the internal diameter of at least part of the inner wall of the end part of the outer downcomer, which is used for extending into the inner downcomer, the outer wall of the inner downcomer, which is positioned at one end smaller than the internal diameter of the outer downcomer, is provided with at least one positioning piece which can be removed by external force, and the positioning piece is used for abutting the outer downcomer.

Optionally, the maximum vertical distance between the top end of the positioning piece and the outer wall of the inner sewer pipe is larger than the inner diameter of the outer sewer pipe for extending into the end part of the inner sewer pipe, one of the positioning piece or the outer sewer pipe is provided with a convex block, and the other positioning piece or the outer sewer pipe is provided with a groove for inserting the convex block for positioning.

Optionally, the first drainage cavity extends from one end to the other end from high to low, and the second drainage cavity also extends from one end to the other end from high to low.

Optionally, one end of the inner downcomer extending into the outer downcomer is lower than the other end of the inner downcomer, one end of the outer downcomer extending into the inner downcomer is higher than the other end of the outer downcomer, and at least part of the positioning piece is higher than the end of the outer downcomer extending into the inner downcomer.

Optionally, the two positioning pieces are arranged, one of the positioning pieces is a first positioning piece, and the first positioning piece is positioned on the outer wall close to the lower end of the inner sewer pipe; the other one of the positioning pieces is a second positioning piece, and the second positioning piece is positioned on the outer wall of one end of the inner sewer pipe, which is higher in height.

Optionally, a first sealing ring is arranged on the outer wall of one end of the inner sewer pipe extending into the outer sewer pipe.

Optionally, the internal sewer pipe or the external sewer pipe is provided with a connecting portion, the connecting portion is connected with a total sewer pipe, a second sealing ring is arranged between the connecting portion and the total sewer pipe, and a clamping ring for clamping the connecting portion and the total sewer pipe is arranged outside the connecting portion.

In a second aspect, the present application provides a cleaning device in order to be able to adapt to more models of cleaning devices.

A cleaning device comprises a sewer pipeline according to the technical scheme.

In summary, the present application includes the following beneficial technical effects: the inner sewer pipe and the outer sewer pipe with the overall length being changeable are utilized, and the inner sewer pipe is matched with the positioning pieces which are used for enabling the inner sewer pipe to extend out of the end parts of the outer sewer pipe and are different in length, so that the sewer pipe is convenient to be applicable to cleaning devices of different types, the applicability of the cleaning devices is enlarged, and the cleaning device is convenient to install and use.

Drawings

Fig. 1 is a schematic diagram of an exploded structure of a sewer line according to an embodiment of the present application.

FIG. 2 is a partial cross-sectional view of a sewer line according to an embodiment of the present application.

Fig. 3 is a cross-sectional view of a sewer line according to an embodiment of the present application.

Fig. 4 is a schematic diagram of an explosion structure of a sewer pipe mainly used for showing a connection portion and a total sewer pipe according to an embodiment of the present application.

Fig. 5 is a partial enlarged view of fig. 3.

Reference numerals illustrate: 1. an inner sewer pipe; 10. a first drainage chamber; 2. an outer sewer pipe; 20. a second drainage chamber; 3. a positioning piece; 31. a first positioning member; 311. an adhesion part; 312. a positioning part; 32. a second positioning member; 41. a groove; 42. a bump; 5. a first seal ring; 6. a connection part; 61. a mounting part; 610. a clamping groove; 62. a sealing part; 7. a second seal ring; 8. a total sewer pipe; 81. an outer connecting pipe; 810. a clamping flange; 9. a clasp; 91. and (5) clamping the strip.

Description of the embodiments

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses a sewer pipeline.

Referring to fig. 1, a sewage line includes an inner sewage pipe 1 and an outer sewage pipe 2, the inner sewage pipe 1 having a first drainage chamber 10, and the outer sewage pipe 2 having a second drainage chamber 20. In order to be able to change the length of the sewer pipe, at least part of the inner sewer pipe 1 extends into the second drainage chamber 20 and enables the first drainage chamber 10 to communicate with the second drainage chamber 20, the inner sewer pipe 1 is slidingly connected to the inner wall of the second drainage chamber 20, and at least part of the outer wall of the inner sewer pipe 1 is in sealing fit with the inner wall of the second drainage chamber 20.

In order to position the relative positions of the inner and outer downcomers 1, 2, the inner and/or outer downcomers 1, 2 are provided with a plurality of positioning members for extending the inner downcomer 1 into the outer downcomer 2 by different lengths, wherein at least one positioning member is releasably provided to the inner and/or outer downcomer 1, 2, and when the positioning member is released, the depth of the inner downcomer 1 extending into the outer downcomer 2 can be changed.

The inner sewer pipe 1 and the outer sewer pipe 2 are cylindrical hollow pipelines, the inner sewer pipe 1 and the outer sewer pipe 2 are coaxially arranged, two ends of the inner sewer pipe 1 penetrate through and are communicated with the first drainage cavity 10, and two ends of the outer sewer pipe 2 also penetrate through and are communicated with the second drainage cavity 20. In other embodiments, the inner downcomer 1 and the outer downcomer 2 may also be pipes having rectangular or other shapes in cross section. Of course, in some embodiments, at least one part of the inner downcomer 1 and the outer downcomer 2 are of the same shape and different sizes, and can be slidingly connected, and the inner downcomer 1 and the outer downcomer 2 can comprise multiple sections of pipes connected with each other but with non-collinear central axes.

In this embodiment, the sewer line is adapted to two different sizes of models, i.e. the inner sewer pipe 1 extends out of the outer sewer pipe 2 to have two different lengths. Correspondingly, the positioning members 3 also have two positioning members, wherein one positioning member 31 is a first positioning member 31, the first positioning member 31 is used for enabling the inner sewer pipe 1 to extend out of the outer sewer pipe 2 by a longer length, and is defined as a first state, the other positioning member 32 is a second positioning member 32, and the second positioning member 32 is used for enabling the inner sewer pipe 1 to extend out of the outer sewer pipe 2 by a shorter length, and is defined as a second state.

The external diameter of at least part of the outer wall of the inner sewer pipe 1 is smaller than the internal diameter of at least part of the inner wall of the end part of the outer sewer pipe 2, which is close to the end part used for extending into the inner sewer pipe 1, at least one positioning piece 3 which can be removed by external force is arranged at the outer wall of one end of the inner sewer pipe 1, which is smaller than the internal diameter of the outer sewer pipe 2, and the positioning piece 3 is used for being abutted against the end surface of the end part of the outer sewer pipe 2, which is used for extending into the inner sewer pipe 1. In other embodiments, the positioning member 3 may be screwed to the inner sewer pipe 1 and/or the outer sewer pipe 2, so that the positioning member 3 may be detached, or the positioning member 3 may be detached by adhesion or the like.

In this embodiment, the outer diameter of the plug-in sliding portion of the inner downcomer 1 and the outer downcomer 2 is smaller than the inner diameter of the portion of the outer downcomer 2 used for extending into the inner wall of the inner downcomer 1, and the first positioning member 31 is disposed on the outer wall portion of the inner downcomer 1 having an outer diameter smaller than the inner diameter of the outer downcomer 2, and the first positioning member 31 extends radially along the inner downcomer 1 and is used for abutting against the end face of the outer downcomer 2 near one end of the inner downcomer 1, so that the inner downcomer 1 cannot extend into the outer downcomer 2.

Referring to fig. 1 and 2, the first positioning member 31 may be integrally formed with the inner downcomer 1, and the contact area of the connection portion between the first positioning member 31 and the inner downcomer 1 is smaller, the first positioning member 31 may be directly torn off by external force, the first positioning member 31 and the inner downcomer 1 may be integrally injection-molded, the first positioning member 31 may include an adhesion portion 311 and a positioning portion 312, the adhesion portion 311 is externally connected with the inner downcomer 1, the positioning portion 312 is connected to one end of the adhesion portion 311, which is away from the outer wall of the inner downcomer 1, the thickness of the adhesion portion 311 in the radial direction of the inner downcomer 1 is smaller than the gap between the outer wall of the inner downcomer 1 and the inner wall of the outer downcomer 2, and the size of the connection portion between the positioning portion 312 and the adhesion portion 311 is smaller than the size of the positioning portion 312, so that the positioning portion 312 can be torn off from the adhesion portion 311 under small external force, and the inner downcomer 1 can slide into the outer downcomer 2 for a longer length, thereby shortening the length of the portion of the inner downcomer 1 extending out of the outer downcomer 2. The vertical maximum distance between the first positioning piece 31 and the outer wall of the inner sewer pipe 1 is larger than the vertical distance between the inner wall of the outer sewer pipe 2 and the inner wall of the inner sewer pipe 1, so that the positioning part 312 of the first positioning piece 31 can be abutted against the end face of the outer sewer pipe 2.

Referring to fig. 3, in the second state, in order to perform positioning, the second positioning member 32 also extends in the radial direction of the inner downcomer 1 and is disposed at an end outer wall of the inner downcomer 1 remote from the outer downcomer 2, and is used to abut at an end face of the outer downcomer 2 for extending into the end of the inner downcomer 1, and a maximum distance perpendicular between the top end of the second positioning member 32 and the outer wall of the inner downcomer 1 is also greater than a perpendicular distance between the inner wall of the outer downcomer 2 and the inner wall of the inner downcomer 1, so that the positioning portion 312 of the second positioning member 32 can abut at the end face of the outer downcomer 2. The second positioning member 32 may be integrally formed on the outer wall of the inner sewer pipe 1, or may be torn off as the first positioning member 31, or may be directly and fixedly connected to the outer wall of the inner sewer pipe 1, but not be torn off under a small external force.

In other embodiments, the positioning member 3 may be provided with more than two, so that the inner downcomer 1 can be extended into the outer downcomer 2 by more different lengths, so as to adapt to more models. The plurality of positioning members 3 may be arranged in a direction along the central axis of the inner downcomer 1 or the outer downcomer 2.

In other embodiments, the positioning member 3 may be disposed at the end portion of the outer downcomer 2 for extending into the inner downcomer 1, where the positioning member 3 extends along the radial direction of the outer downcomer 2, and the outer wall of the end portion of the inner downcomer 1 extending into the outer downcomer 2 is correspondingly formed with a step surface for abutting the positioning member 3, so that the positioning member can abut on the step surface.

In some embodiments, the first positioning member 31 may be connected to the end of the outer downcomer 2, and the second positioning member 32 may be connected to the outer wall of the inner downcomer 1, so that the positioning members 3 may be disposed on both the outer downcomer 2 and the inner downcomer 1.

In some embodiments, the positioning piece 3 may be detachably disposed on the inner sewer pipe 1 and/or the outer sewer pipe 2 in other manners, for example, the positioning piece 3 may be screwed into a threaded hole formed in a peripheral wall of the inner sewer pipe 1 or the outer sewer pipe 2, the positioning piece 3 may be rotatably connected to the inner sewer pipe 1, when positioning is required, the positioning piece 3 may be rotated to abut against an end portion of the outer sewer pipe 2, and when positioning is not required, the positioning piece may be rotated to an end portion separated from the outer sewer pipe 2, and normal telescopic sliding of the inner sewer pipe 1 and the outer sewer pipe 2 is not affected.

Referring to fig. 1 to 3, in order to achieve better positioning, in this embodiment, the maximum vertical distance between the top end of the positioning member 3 and the outer wall of the inner downcomer 1 is greater than the inner diameter of the outer downcomer 2 for extending into the end of the inner downcomer 1, the first positioning member 31 and the second positioning member 32 are integrally provided with a projection 42, and the end of the outer downcomer 2 is provided with a recess 41 for inserting the projection 42. Of course, the recess 41 may be provided on the positioning member 3, while the projection 42 is provided at the end of the outer sewer pipe 2.

In this embodiment, in order to smoothly drain, the sewer pipe has a certain inclination, one end of the inner sewer pipe 1 extending into the outer sewer pipe 2 is lower than the other end of the inner sewer pipe 1, one end of the outer sewer pipe 2 extending into the inner sewer pipe 1 is higher than the other end of the outer sewer pipe 2, and at least part of the positioning member 3 is higher than the end of the outer sewer pipe 2 extending into the inner sewer pipe 1. The angle between the central axis of the inner downcomer 1 and the outer downcomer 2 and the vertical is between 0-30 deg., preferably 15 deg..

In other embodiments, the highest end of the outer downcomer 2 is higher than the highest end of the inner downcomer 1.

In some embodiments, it is ensured that the first drainage chamber 10 extends from high to low from one end to the other end, and the second drainage chamber 20 also extends from high to low from one end to the other end. While the inner downcomer 1 and the outer downcomer 2 may be horizontal from the outside.

In other embodiments, the lower bottom surfaces of the inner and outer downcomers 1, 2 have a slope, while the other inner walls may remain level, so that when the cross sections of the inner and outer downcomers 1, 2 are rectangular, the bottom surfaces of the inner and outer downcomers 1, 2 are sloped with a trend from high to low from one end to the other, rather than being sloped as a whole.

In this embodiment, the inner downcomer 1 is located at a higher position relative to the outer downcomer 2, the first positioning member 31 is located near the outer wall of the lower end of the inner downcomer 1, the second positioning member 32 is located near the outer wall of the higher end of the inner downcomer 1, and the inner downcomer 1 can make the first positioning member 31 or the second positioning member 32 abut against the end face of the higher end of the outer downcomer 2 by means of its own gravity.

The diameter of the outer peripheral wall of the part of the inner sewer pipe 1, which is close to one end of the bottom, is larger than that of the outer peripheral wall of the middle section part of the inner sewer pipe 1, two annular grooves are formed in the outer peripheral wall of the part, which is larger than the diameter of the inner sewer pipe 1, and are sequentially arranged along the axial direction of the inner sewer pipe 1, a first sealing ring 5 with an O-shaped section is embedded in each annular groove, and the first sealing ring 5 is abutted against the inner wall of the outer sewer pipe 2, so that the outer peripheral wall of the inner sewer pipe 1, which is close to the bottom, is in sealing fit with the inner wall of the outer sewer pipe 2. And when the sewer pipe is in the second state, the first sealing ring 5 is still inside the outer sewer pipe 2.

In this embodiment, referring to fig. 4 and 5, the bottom of the outer sewer pipe 2 is provided with a connecting portion 6, and the central axis of the connecting portion 6 is horizontal, and in other embodiments, may be disposed coaxially with the outer sewer pipe 2 or disposed at a different angle. The connecting portion 6 has a mounting portion 61 having a larger diameter and being close to the outer downcomer 2 and a sealing portion 62 having a smaller diameter and being distant from the outer downcomer 2.

The connecting portion 6 is connected with total downcomer 8, and the central axis of total downcomer 8 is vertical, and total downcomer 8's periphery wall integrated into one piece has the outer connecting tube 81 of central axis perpendicular to total downcomer 8, and the inner wall internal diameter of outer connecting tube 81 is greater than the external diameter of sealing portion 62, is provided with an annular groove at sealing portion 62's periphery wall, is equipped with second sealing washer 7 at the annular groove is embedded, and second sealing washer 7 butt makes sealing portion 62 and the inner wall sealing fit of outer connecting tube 81 in the inner wall of outer connecting tube 81.

In order to better connect the outer connecting pipe 81 and the connecting portion 6, a clamping flange 810 with the diameter larger than that of the outer wall of the outer connecting pipe 81 is arranged on the outer peripheral wall of one end, far away from the main sewer pipe 8, of the outer connecting pipe 81, an annular clamping groove 610 is formed in the outer wall of the mounting portion 61, a clamping ring 9 is arranged between the clamping groove 610 and the clamping flange 810, the clamping ring 9 is made of elastic materials and is of an annular structure with a notch, protruding arc-shaped clamping strips 91 are arranged on the inner wall of the clamping ring 9, one clamping strip 91 can be clamped in the clamping groove 610, and the side wall of the other clamping strip 91 abuts against the side wall of the clamping flange 810, so that sealing connection between the connecting portion 6 and the outer connecting pipe 81 can be better achieved.

In other embodiments, the connection portion 6 may be provided at the inner downcomer 1 and connected to the main downcomer 8 when the bottom end of the inner downcomer 1 is lower than the bottom end of the outer downcomer 2.

The main sewer pipe 8 has an inclined bottom surface below the outer sewer pipe 81.

The embodiment of the application also discloses a cleaning device, which comprises the sewer pipeline disclosed by the embodiment. The washing device may be a sink or an integrated dishwasher.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (9)

1. The utility model provides a sewer line, includes interior downcomer (1) and outer downcomer (2), its characterized in that: the inner sewer pipe (1) is provided with a first drainage cavity (10), the outer sewer pipe (2) is provided with a second drainage cavity (20), at least part of the inner sewer pipe (1) stretches into the second drainage cavity (20) and enables the first drainage cavity (10) to be communicated with the second drainage cavity (20), the inner sewer pipe (1) is slidably connected to the inner wall of the second drainage cavity (20), at least part of the outer wall of the inner sewer pipe (1) is in sealing fit with the inner wall of the second drainage cavity (20), the inner sewer pipe (1) and/or the outer sewer pipe (2) are provided with positioning pieces (3) for enabling the inner sewer pipe (1) to stretch into the outer sewer pipe (2) in different lengths, and at least one positioning piece (3) is arranged in the inner sewer pipe (1) and/or the outer sewer pipe (2) in a releasable mode, and when the positioning pieces (3) are released, the depth of the inner sewer pipe (1) stretching into the outer sewer pipe (2) can be changed.

2. A sewer line according to claim 1, characterized in that: the outer diameter of at least part of the outer wall of the inner sewer pipe (1) is smaller than the inner diameter of at least part of the inner wall of the end part of the outer sewer pipe (2) which is used for extending into the inner sewer pipe (1), the outer wall of one end of the inner sewer pipe (1), which is smaller than the inner diameter of the outer sewer pipe (2), is provided with at least one positioning piece (3) which can be removed by external force, and the positioning piece (3) is used for being abutted to the outer sewer pipe (2).

3. A sewer line according to claim 2, characterized in that: the maximum vertical distance between the top end of the positioning piece (3) and the outer wall of the inner sewer pipe (1) is larger than the inner diameter of the end part of the outer sewer pipe (2) used for extending into the inner sewer pipe (1), one of the positioning piece (3) or the outer sewer pipe (2) is provided with a convex block (42), and the other is provided with a groove (41) used for inserting the convex block (42).

4. A sewer line according to claim 2 or 3, characterized in that: the first drainage cavity (10) is arranged from one end to the other end in a high-to-low extending mode, and the second drainage cavity (20) is also arranged from one end to the other end in a high-to-low extending mode.

5. A sewer line according to claim 4, characterized in that: the one end that interior downcomer (1) stretched into outer downcomer (2) is less than the other end of interior downcomer (1), outer downcomer (2) are used for stretching into the one end of interior downcomer (1) and are higher than the other end of outer downcomer (2), at least part height of setting element (3) is higher than outer downcomer (2) are used for stretching into the tip of interior downcomer (1).

6. A sewer line according to claim 5, characterized in that: the positioning pieces (3) are two, one of the positioning pieces is a first positioning piece (31), and the first positioning piece (31) is positioned on the outer wall close to the lower end of the inner sewer pipe (1); the other one of the positioning pieces (3) is a second positioning piece (32), and the second positioning piece (32) is positioned on the outer wall of the higher end of the inner sewer pipe (1).

7. A sewer line according to claim 1, characterized in that: the outer wall of one end of the inner sewer pipe (1) extending into the outer sewer pipe (2) is provided with a first sealing ring (5).

8. A sewer line according to claim 1, characterized in that: the inner sewer pipe (1) or the outer sewer pipe (2) is provided with a connecting portion (6), the connecting portion (6) is connected with a total sewer pipe (8), a second sealing ring (7) is arranged between the connecting portion (6) and the total sewer pipe (8), and a clamping ring (9) for clamping the connecting portion (6) and the total sewer pipe (8) is arranged outside the connecting portion.

9. A cleaning device, characterized in that: a sewer line comprising any of the above claims 1-8.