CN217105362U - Diversion dilatation drainage device and drainage system - Google Patents
Diversion dilatation drainage device and drainage system Download PDFInfo
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- CN217105362U CN217105362U CN202220984201.XU CN202220984201U CN217105362U CN 217105362 U CN217105362 U CN 217105362U CN 202220984201 U CN202220984201 U CN 202220984201U CN 217105362 U CN217105362 U CN 217105362U
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Abstract
The embodiment of the application provides a diversion, expansion and drainage device and a drainage system. The diversion, expansion and drainage device comprises a first water inlet end, a second water inlet end, an expansion tank and a water outlet end. The first water inlet end is configured to be a water inlet in the vertical direction, and the second water inlet end is configured to be a water inlet in the horizontal direction. The flash tank includes main part, water conservancy diversion portion and first water conservancy diversion ring, and the main part is the tubulose, and first water conservancy diversion ring is located the inside of main part, and the top of main part and the top of first water conservancy diversion ring all are connected with the first end of intaking, and the lateral wall and the water conservancy diversion portion of main part are connected, and water conservancy diversion portion configuration is for guiding the second to intake the rivers of end and flow along the inner wall of main part, and the cross-sectional area of main part is 2.2 times to 2.5 times of the cross-sectional area of first water conservancy diversion ring. The water outlet end is positioned at the bottom of the main body part. Through the drainage device in this embodiment be favorable to improving pipeline drainage performance, reduce the inside pressure oscillation of pipeline, do not destroy the water seal, prevent that the bathroom floor drain from returning smelly, reduce rivers noise, improve drainage ability.
Description
Technical Field
The application relates to the field of constructional engineering, in particular to a diversion, expansion and drainage device and a drainage system.
Background
This section provides background information related to the present application and is not necessarily prior art.
The drainage pipe fitting is widely applied to various buildings, in the related art, a drainage main pipeline consists of a plurality of drainage pipes, a drainage vertical pipe is applied to gravity drainage, in the drainage process, when the drainage quantity is slightly large, the pressure in the pipeline is easy to fluctuate greatly, and when the drainage pipe fitting is applied to a toilet, the odor is easy to return. How to improve the drainage capacity of the pipeline is a problem to be solved urgently at present.
SUMMERY OF THE UTILITY MODEL
The application aims to provide a diversion expansion drainage device and a drainage system so as to solve the problems in the prior art. In order to achieve the above purpose, the present application provides the following technical solutions:
an embodiment of a first aspect of the present application provides a diversion, volume expansion and drainage device, which is applied to a drainage system, and the diversion, volume expansion and drainage device includes a first water inlet end, a second water inlet end, a volume expansion device and a water outlet end. The first water inlet end is configured to be a water inlet in the vertical direction, and the second water inlet end is configured to be a water inlet in the horizontal direction. The flash tank includes main part, water conservancy diversion portion and first water conservancy diversion ring, and the main part is the tubulose, and first water conservancy diversion ring is located the inside of main part, and the top of main part and the top of first water conservancy diversion ring all are connected with the first end of intaking, and the lateral wall and the water conservancy diversion portion of main part are connected, and water conservancy diversion portion configuration is for guiding the second to intake the rivers of end and flow along the inner wall of main part, and the cross-sectional area of main part is 2.2 times to 2.5 times of the cross-sectional area of first water conservancy diversion ring. The water outlet end is positioned at the bottom of the main body part.
According to the diversion, expansion and drainage device in the embodiment of the application, water in the first water inlet end flows into the main body part through the first diversion ring, water in the second water inlet end flows along the inner wall of the main body part after being guided by the diversion part, because the cross-sectional area of the main body part in the expansion device is 2.2-2.5 times of that of the first diversion ring, namely the cross-sectional area of the main body part is far larger than that of the first diversion ring, therefore, a water edge flowing in from the second water inlet end can form a rotational flow on the inner wall of the main body part, the radius of the rotational flow formed by the main body part is larger, the flow speed of the rotational flow is continuously increased, the gravitational potential energy is effectively converted into the power potential energy for accelerating the water flow speed, the falling speed of the water flow is reduced under the action of the friction resistance and the rotating centrifugal force of the inner wall of the main body part, the uniform flow is formed, and the single space occupied by the air flow is increased at the same time, the water flowing in from the first water inlet end can flow from the center to the edge of the main body part through the diversion of the first diversion ring, and an unblocked air column is formed in the middle of the main body part.
In addition, according to the embodiment of the application, the following additional technical features can be provided:
in some embodiments of this application, water conservancy diversion dilatation drainage device still includes the toper pipe, the one end of toper pipe with the bottom of main part is connected, the other end of toper pipe with go out the water end and connect, just the toper pipe is close to the internal diameter of main part is greater than the toper pipe is close to the internal diameter of play water end, the cross-sectional contained angle of toper pipe is 18 to 20.
In some embodiments of the present application, the flow-guiding capacity-expanding drainage device further includes a second flow-guiding ring, one end of the second flow-guiding ring is connected to the tapered pipe, the other end of the second flow-guiding ring is connected to the water outlet end, and the inner diameter of the second flow-guiding ring close to the tapered pipe is greater than the inner diameter of the second flow-guiding ring close to the water outlet end.
In some embodiments of the present application, a diameter of the second guide ring close to the inner wall of the conical tube is larger than a diameter of the first guide ring away from the inner wall of the first water inlet end, and a diameter of the second guide ring close to the inner wall of the conical tube is larger than a diameter of the second guide ring close to the inner wall of the water outlet end.
In some embodiments of the present application, an inner diameter of the first deflector ring near the first water inlet end is larger than an inner diameter of the first deflector ring away from the first water inlet end.
In some embodiments of the present application, an included angle between an axis direction of the flow guide portion and an axis direction of the main body portion is 35 ° to 45 °, and an included angle between the flow guide portion and an axis direction of the second water inlet end is 40 ° to 50 °.
In some embodiments of the present application, the body portion has a dimension in the axial direction of 170mm to 200 mm.
In some embodiments of the present application, the first deflector ring has a dimension in the axial direction of 50mm to 70mm, and the second deflector ring has a dimension in the axial direction of 18mm to 30 mm.
An embodiment of the second aspect of the present application provides a drainage system, which includes the diversion expansion drainage device in any embodiment of the first aspect.
According to the drainage system in the embodiment of the present application, since the drainage system includes the diversion, expansion and drainage device in any embodiment of the first aspect, the drainage system also has the beneficial effects of any embodiment of the first aspect, and details are not repeated herein.
In some embodiments of this application, drainage system still includes inlet tube and outlet pipe, the inlet tube with the first end of intaking or the second end connection of intaking, the outlet pipe with go out the water end and connect, drainage system still includes toper pipe and second water conservancy diversion ring, the one end of toper pipe with the bottom of main part is connected, the other one end of toper pipe with the second water conservancy diversion ring is connected, the second water conservancy diversion ring is kept away from the one end of toper pipe with it connects to go out the water end, first water conservancy diversion ring is close to the diameter of the inner wall of first end of intaking is greater than or is equal to the diameter of the inner wall of inlet tube, the second water conservancy diversion ring is close to the diameter of the inner wall of play water end is less than or is equal to the diameter of the inner wall of outlet pipe.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Like reference numerals refer to like parts throughout the drawings.
In the drawings:
fig. 1 is a schematic structural view (front view) of a diversion, expansion and drainage device in an embodiment of the present application;
FIG. 2 is a schematic structural diagram (rear view) of a diversion, expansion and drainage device according to an embodiment of the present application;
FIG. 3 is a schematic structural diagram (left side view) of the diversion expansion drainage device in the embodiment of the present application;
FIG. 4 is a cross-sectional view of a diversion expansion drainage device according to an embodiment of the present application;
FIG. 5 is a top view of the water diversion, expansion and drainage device in an embodiment of the present application;
FIG. 6 is a sectional view taken along line H-H in FIG. 5;
FIG. 7 is a cross-sectional view taken along line C-C of FIG. 1;
FIG. 8 is a schematic structural diagram of a flash tank of the diversion, expansion and drainage device in an embodiment of the present application;
FIG. 9 is a schematic structural diagram of a tapered tube and a second flow-guiding ring of the flow-guiding volume-expanding drainage device according to the embodiment of the present invention;
FIG. 10 is a schematic water flow direction (top view) of the diversion expansion drainage device according to the embodiment of the present application;
fig. 11 is a schematic water flow direction view (front view) of the diversion, expansion and drainage device in the embodiment of the present application.
The reference symbols in the drawings denote the following:
110 a first water inlet end; 120 second water inlet end; 130 water outlet end;
200 of a flash tank; 210 a body portion; 220 a flow guide part;
300 a conical tube;
410 a first deflector ring; 420 second deflector ring.
Detailed Description
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and it is also obvious for a person skilled in the art to obtain other embodiments according to the drawings.
For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. This spatially relative term is intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the description herein are intended to be within the scope of the present disclosure.
As shown in fig. 1 to 9, an embodiment of the first aspect of the present application provides a diversion expansion drainage device, which is applied to a drainage system, and includes a first water inlet end 110, a second water inlet end 120, an expansion tank 200, and a water outlet end 130. The first water inlet end 110 is configured as a vertical water inlet and the second water inlet end 120 is configured as a horizontal water inlet. The flash tank 200 includes a main body 210, a flow guide portion 220, and a first flow guide ring 410, the main body 210 is tubular, the first flow guide ring 410 is located inside the main body 210, the top of the main body 210 and the top of the first flow guide ring 410 are both connected to the first water inlet end 110, the sidewall of the main body 210 is connected to the flow guide portion 220, the flow guide portion 220 is configured to guide the water flow of the second water inlet end 120 to flow along the inner wall of the main body 210, and the cross-sectional area of the main body 210 is 2.2 times to 2.5 times the cross-sectional area of the first flow guide ring 410. The water outlet 130 is located at the bottom of the main body 210.
Referring to fig. 10 and 11, according to the flow-guiding, volume-expanding and water-draining device in the embodiment of the present application, water in the first water inlet end 110 flows into the main body 210 through the first flow-guiding ring 410, and water in the second water inlet end 120 flows along the inner wall of the main body 210 after being guided by the flow-guiding portion 220, because the cross-sectional area of the main body 210 in the flash tank 200 is 2.2 to 2.5 times the cross-sectional area of the first flow-guiding ring 410, that is, the cross-sectional area of the main body 210 is much larger than the cross-sectional area of the first flow-guiding ring 410, the water flowing in from the second water inlet end 120 can form a rotational flow (in fig. 11, M is the flowing direction of the water flowing in the second water inlet end 120) on the inner wall of the main body 210, and the radius of the rotational flow formed by the main body 210 is larger, the flow rate of the rotational flow is continuously increased, so that gravitational potential energy is effectively converted into kinetic potential energy for increasing the speed of the water flow, and the frictional resistance and the rotational centrifugal force of the inner wall of the water flow on the main body 210, the falling speed is reduced to form uniform flow, meanwhile, the single space occupied by the airflow is increased, the water flowing in from the first water inlet end 110 can flow from the center to the edge of the main body part 210 by the diversion of the first diversion ring 410 (in the figure 11, N is the flowing direction of the water flowing in from the first water inlet end 110), and an unblocked air column (in the figure 11, S is the air column) is formed in the middle of the main body part 210, under the state of the water flow, the falling speed of the water flow is reduced under the action of the pipe wall friction resistance and the rotating centrifugal force to form uniform flow, the water flow is guided by the diversion, expansion and drainage device in the embodiment, the water flowing in from the first water inlet end 110 and the water flowing in from the second water inlet end 120 can be guided respectively, thus, the drainage performance of the pipeline is improved, the pressure fluctuation in the pipeline is reduced, the water seal is not damaged, and the odor return of the toilet floor drain is prevented, reduce the water flow noise and improve the drainage capacity.
In some embodiments of the present application, the flow-guiding volume-expanding drainage device further includes a tapered tube 300, one end of the tapered tube 300 is connected to the bottom of the main body 210, the other end of the tapered tube 300 is connected to the water outlet 130, the inner diameter of the tapered tube 300 near the main body 210 is larger than the inner diameter of the tapered tube 300 near the water outlet 130, and the included angle of the cross section of the tapered tube 300 is 18 ° to 20 °. In a specific embodiment, the tapered tube 300 is disposed between the main body 210 and the water outlet end 130, and may be connected by means of an adhesive welding or a threaded connection, and the axis of the tapered tube 300 coincides with the axis of the main body 210. In this embodiment, the water at the first water inlet end 110 is guided by the first guide ring 410 and then falls down to the tapered tube 300, the water at the second water inlet end 120 is guided by the guide part 220 and then flows along the inner wall of the main body 210, and finally flows into the tapered tube 300, that is, the water flowing from the first water inlet end 110 and the second water inlet end 120 can converge in the tapered tube 300. When the included angle of the cross section of the conical tube 300 is 18 ° to 20 °, the water flowing in from two different water inlet ends can generate less vibration and noise when converging.
In some embodiments of the present application, the flow-guiding expansion drainage device further includes a second flow-guiding ring 420, one end of the second flow-guiding ring 420 is connected to the tapered tube 300, the other end of the second flow-guiding ring 420 is connected to the water outlet end 130, and the inner diameter of the second flow-guiding ring 420 near the tapered tube 300 is larger than the inner diameter of the second flow-guiding ring 420 near the water outlet end 130. In this embodiment, the water in the conical tube 300 flows into the second deflector ring 420, and the inner diameter of the second deflector ring 420 close to the conical tube 300 is larger than the inner diameter of the second deflector ring close to the water outlet end 130, so that the water flow can be slightly guided, and the water in the tube wall can be prevented from directly falling.
Referring to fig. 8 and 9, in some embodiments of the present application, the diameter D3 of the second deflector ring 420 near the inner wall of the conical tube 300 is greater than the diameter D2 of the first deflector ring 410 far from the inner wall of the first water inlet end 110, and the diameter D3 of the second deflector ring 420 near the inner wall of the conical tube 300 is greater than the diameter D4 of the second deflector ring 420 near the inner wall of the water outlet end 130. In this embodiment, the diameter D3 of the second deflector ring 420 near the inner wall of the conical tube 300 is greater than the diameter D2 of the inner wall of the first deflector ring 410 away from the first water inlet end 110 by 0.5mm to 1mm, and the diameter D3 of the second deflector ring 420 near the inner wall of the conical tube 300 is greater than the diameter D4 of the inner wall of the second deflector ring 420 near the water outlet end 130 by 0.5mm to 1 mm. Since the diameter of the inner wall of the second baffle ring 420 close to the conical pipe 300 is larger than the diameter of the inner wall of the first baffle ring 410 far from the first water inlet end 110, it is possible to prevent the water flowing in from the first baffle ring 410 from directly falling onto the first baffle ring 410 to generate large vibration and noise.
Referring to fig. 8 and 9, in some embodiments of the present application, an inner diameter D1 of the first deflector ring 410 near the first water inlet end 110 is greater than an inner diameter D2 of the first deflector ring 410 away from the first water inlet end 110. In this embodiment, the inner diameter D1 of the first guide ring 410 near the first water inlet end 110 is larger than the inner diameter D2 of the first guide ring 410 far from the first water inlet end 110, and may be 0.8mm to 1.5mm, so that the water at the first water inlet end 110 can be better guided to flow into the flash tank 200.
Referring to fig. 1 and 5, in some embodiments of the present disclosure, an included angle B between an axial direction of the flow guide portion 220 and an axial direction of the main body portion 210 is 35 ° to 45 °, and an included angle a between the flow guide portion 220 and an axial direction of the second water inlet end 120 is 40 ° to 50 °. In this embodiment, after entering from the second water inlet end 120, the water to be discharged flows into the diversion part 220, and the diversion part 220 is inclined, so that the water flow can be guided to the inner wall of the main body part 210 to flow, and the water flowing from the second water inlet end 120 and the water flowing from the first water inlet end 110 are prevented from colliding.
In some embodiments of the present application, the body portion 210 has a dimension in the axial direction of 170mm to 200 mm. In this embodiment, the size of the main body 210 along the axial direction may be 170mm to 200mm, which may further increase the internal space of the flash tank 200, so that the flow-guiding flash-discharging device has better air fluidity inside.
Referring to fig. 8 and 9, in some embodiments of the present disclosure, a dimension H1 of the first deflector ring 410 in the axial direction is 50mm to 70mm, and a dimension H2 of the second deflector ring 420 in the axial direction is 18mm to 30 mm. In this embodiment, when the size of the first baffle ring 410 is 50mm to 70mm, the water flowing from the first water inlet end 110 can be prevented from falling into the flash tank 200 too early, and the size of the second baffle ring 420 is 18mm to 30mm, so that the water flowing from the first water inlet end 110 and the water flowing from the second water inlet end 120 can be sufficiently converged.
Referring to fig. 8 and 9, in some embodiments of the present application, the diameter a1 of the flash tank 200 near the inner wall of the tapered tube 300 may be slightly smaller than the diameter a2 of the tapered tube 300 near the inner wall of the flash tank 200, such that the flash tank 200 can be plugged into the tapered tube 300.
Embodiments of a second aspect of the present application provide a drainage system. The device comprises the flow-guiding, expansion-expanding and drainage device in any embodiment of the first aspect.
According to the drainage system of the embodiment of the present application, since it has the flow-guiding and volume-expanding drainage device of any embodiment of the first aspect, it also has the advantages of any embodiment of the first aspect, specifically, in the flow-guiding and volume-expanding drainage device of the embodiment, water in the first water inlet end 110 flows into the main body 210 through the first flow-guiding ring 410, water in the second water inlet end 120 flows along the inner wall of the main body 210 after being guided by the flow-guiding part 220, since the cross-sectional area of the main body 210 in the volume-expanding device 200 is 2.2 times to 2.5 times the cross-sectional area of the first flow-guiding ring 410, that is, the cross-sectional area of the main body 210 is much larger than the cross-sectional area of the first flow-guiding ring 410, therefore, water flowing in from the second water inlet end 120 can form a rotational flow on the inner wall of the main body 210, and the falling speed of the water flow is reduced under the friction resistance and the rotational centrifugal force of the inner wall of the main body 210, the uniform flow is formed, the single space occupied by the airflow is increased, the water flowing in from the first water inlet end 110 can flow from the center to the edge of the main body part 210 through the flow guide of the first flow guide ring 410, and an unblocked air column is formed in the middle of the main body part 210.
In some embodiments of the present application, the drainage system further includes an inlet pipe and an outlet pipe, the inlet pipe is connected to the first inlet end 110 or the second inlet end 120, the outlet pipe is connected to the outlet end 130, the drainage system further includes a tapered pipe 300 and a second deflector ring 420, one end of the tapered pipe 300 is connected to the bottom of the main body portion 210, the other end of the tapered pipe 300 is connected to the second deflector ring 420, one end of the second deflector ring 420 far away from the tapered pipe 300 is connected to the outlet end 130, the diameter of the inner wall of the first deflector ring 410 near the first inlet end 110 is greater than or equal to the diameter of the inner wall of the inlet pipe, and the diameter of the inner wall of the second deflector ring 420 near the outlet end 130 is less than or equal to the diameter of the inner wall of the outlet pipe. In this embodiment, the inner diameter of the inner wall of the first guide ring 410 near the first water inlet end 110 may be 0 to 0.5mm larger than the inner diameter of the inner wall of the water inlet pipe. The inner wall of the second deflector ring 420 near the water outlet end 130 may have a diameter less than or equal to the diameter of the inner wall of the water outlet pipe by 0 to 0.3 mm. In some embodiments of the present invention, the first water inlet end 110, the second water inlet end 120, and the water outlet end 130 of the diversion expansion drainage device may be provided with pipe sockets, so that the diversion expansion drainage device can be connected with other pipes to form a drainage system.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The embodiments of the present application are described in a related manner, and the same and similar parts among the embodiments can be referred to each other, and each embodiment focuses on the differences from the other embodiments.
The above description is only for the preferred embodiment of the present application and is not intended to limit the scope of the present application. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application are included in the protection scope of the present application.
Claims (10)
1. The utility model provides a water conservancy diversion dilatation drainage device, is applied to drainage system, its characterized in that, water conservancy diversion dilatation drainage device includes:
a first water inlet end configured as a vertical water inlet;
a second water inlet end configured as a horizontal water inlet;
the flash tank comprises a main body part, a flow guide part and a first flow guide ring, wherein the main body part is tubular, the first flow guide ring is positioned inside the main body part, the top of the main body part and the top of the first flow guide ring are both connected with the first water inlet end, the side wall of the main body part is connected with the flow guide part, the flow guide part is configured to guide water flow of the second water inlet end to flow along the inner wall of the main body part, and the cross sectional area of the main body part is 2.2-2.5 times of that of the first flow guide ring;
and the water outlet end is positioned at the bottom of the main body part.
2. The water diversion, expansion and drainage device according to claim 1, further comprising a tapered tube, wherein one end of the tapered tube is connected to the bottom of the main body, the other end of the tapered tube is connected to the water outlet, the inner diameter of the tapered tube near the main body is larger than the inner diameter of the tapered tube near the water outlet, and the included angle of the cross section of the tapered tube is 18 ° to 20 °.
3. The water diversion and expansion drainage device according to claim 2, further comprising a second diversion ring, one end of the second diversion ring is connected to the tapered pipe, the other end of the second diversion ring is connected to the water outlet end, and the inner diameter of the second diversion ring near the tapered pipe is larger than the inner diameter of the second diversion ring near the water outlet end.
4. The flow-guiding volume-expanding drainage device as claimed in claim 3, wherein the diameter of the inner wall of the second flow-guiding ring close to the tapered tube is larger than the diameter of the inner wall of the first flow-guiding ring away from the first water inlet end, and the diameter of the inner wall of the second flow-guiding ring close to the tapered tube is larger than the diameter of the inner wall of the second flow-guiding ring close to the water outlet end.
5. The flow-guiding, volume-expanding and water-draining device as claimed in claim 2, wherein the inner diameter of the first flow-guiding ring near the first water inlet end is larger than the inner diameter of the first flow-guiding ring far from the first water inlet end.
6. The flow-guiding, volume-expanding and water-draining device as claimed in claim 1, wherein the angle between the axial direction of the flow-guiding part and the axial direction of the main body part is 35 ° to 45 °, and the angle between the flow-guiding part and the axial direction of the second water inlet end is 40 ° to 50 °.
7. The flow-guiding, volume-expanding and water-draining device as claimed in claim 1, wherein the main body portion has a dimension in the axial direction of 170mm to 200 mm.
8. The flow-guiding expansion drainage device as claimed in claim 3, wherein the first flow-guiding ring has a dimension of 50mm to 70mm in the axial direction, and the second flow-guiding ring has a dimension of 18mm to 30mm in the axial direction.
9. A drainage system comprising a flow-diversion volume-expansion drainage device according to any one of claims 1 to 8.
10. The drainage system according to claim 9, further comprising a water inlet pipe and a water outlet pipe, wherein the water inlet pipe is connected to the first water inlet end or the second water inlet end, the water outlet pipe is connected to the water outlet end, the drainage system further comprises a tapered pipe and a second deflector ring, one end of the tapered pipe is connected to the bottom of the main body, the other end of the tapered pipe is connected to the second deflector ring, one end of the second deflector ring, which is far away from the tapered pipe, is connected to the water outlet end, the diameter of the inner wall of the first deflector ring, which is close to the first water inlet end, is greater than or equal to the diameter of the inner wall of the water inlet pipe, and the diameter of the inner wall of the second deflector ring, which is close to the water outlet end, is less than or equal to the diameter of the inner wall of the water outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220984201.XU CN217105362U (en) | 2022-04-26 | 2022-04-26 | Diversion dilatation drainage device and drainage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220984201.XU CN217105362U (en) | 2022-04-26 | 2022-04-26 | Diversion dilatation drainage device and drainage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217105362U true CN217105362U (en) | 2022-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220984201.XU Active CN217105362U (en) | 2022-04-26 | 2022-04-26 | Diversion dilatation drainage device and drainage system |
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| Country | Link |
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| CN (1) | CN217105362U (en) |
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2022
- 2022-04-26 CN CN202220984201.XU patent/CN217105362U/en active Active
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Denomination of utility model: Diversion and expansion drainage equipment and drainage system Effective date of registration: 20231211 Granted publication date: 20220802 Pledgee: China Construction Bank Guangshui Branch Pledgor: HUBEI DAYANG PLASTIC Co.,Ltd. Registration number: Y2023980070660 |
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