Municipal drainage device
By introducing adjustment limit and disassembly mechanisms into municipal drainage devices, the problem of the backwash plate rotation affecting drainage efficiency has been solved, enabling smooth sewage discharge and timely cleaning of the interception net, thus improving the stability and efficiency of the drainage system.
Patent Information
- Application Number
- CN202422873971.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2034-11-25
AI Technical Summary
In existing municipal drainage systems, the rotation of the backwash plate affects drainage efficiency and makes it impossible to clean the interception net in a timely manner, leading to sewage overflow.
A drainage device including an adjustment limit mechanism and a disassembly mechanism was designed. The limit mechanism prevents the backwash plate from rotating, and the disassembly mechanism facilitates the disassembly and maintenance of the backwash plate, ensuring that the spray nozzle is facing the correct direction.
It effectively prevents the backwash plate from affecting drainage efficiency, ensures smooth sewage discharge, and enables timely cleaning of the interception net, thereby improving the operational stability and efficiency of the drainage system.
Smart Images

Figure CN223824296U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to drainage device technical field, concretely is a municipal drainage device. BACKGROUND
[0002] The municipal construction drainage device refers to the device for removing ground rain and snow water, urban waste water, underground water and lowering the underground water level, is an extremely important component in the construction process, when involving the drainage system or flood control, is also an important component of the drainage or flood control engineering, and the municipal drainage pipe refers to the rainwater and sewage pipe under the municipal road.
[0003] A municipal drainage device is provided in Chinese patent with publication number CN220704692U, which comprises a drainage elbow, the top of the drainage elbow is movably placed with a manhole cover, the drainage elbow comprises a vertical section and a horizontal section, a sewage outlet cylinder is screwed into the bottom of the vertical section of the drainage elbow, a screen is fixedly arranged on one side of the drainage elbow, a temporary storage cylinder is fixedly arranged on the bottom of the other side of the screen, and a backflushing assembly is arranged on one side of the screen.
[0004] The above-mentioned device is provided with a backflushing assembly on the opposite side of the screen for intercepting impurities, the backflushing assembly cooperates with a backflushing pump, the backflushing pump introduces a part of sewage to flush the clogged screen holes of the screen by using the backflushing assembly, compared with the traditional way of municipal workers holding a stick tool to clean the screen, the cleaning effect is greatly improved and the speed is effectively improved, but in the process of use, the backflushing disc lacks limiting, so it can rotate in the drainage elbow, when the axis of the backflushing disc and the drainage elbow is perpendicular, the flow rate of drainage is reduced, when there is a lot of sewage, overflow may occur, thereby affecting the drainage efficiency, and since the backflushing disc is inside the drainage elbow, the direction of the water jet pipe cannot be seen, so the screen cannot be cleaned in time. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a municipal drainage device to solve the problems of the rotation of the backflushing disc of the existing device, affecting the drainage efficiency, and being unable to clean the screen in time.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a municipal drainage device, comprising a drainage pipe, a temporary storage tank fixedly connected to one side of the bottom end of the drainage pipe, a water pump fixedly connected to the top end of the drainage pipe, a pipe fixedly connected to the inlet of the water pump extending into the temporary storage tank, an intercepting net fixedly connected to a horizontal bend in the inner wall of the drainage pipe, a backflushing disc provided on one side of the inner wall of the drainage pipe corresponding to the intercepting net, a rotating shaft fixedly connected to the top end of the backflushing disc, the backflushing disc and the water pump being connected by a flexible hose passing through the rotating shaft, and a disassembly and assembly mechanism provided on the drainage pipe, the disassembly and assembly mechanism being provided with an adjustment and limiting mechanism;
[0007] The disassembly and assembly mechanism includes an arc-shaped notch on the outer wall of the drain pipe. Arc-shaped pieces are fixedly connected to both ends of the arc-shaped notch. An arc plate is provided on the arc-shaped notch. First fixing plates are fixedly connected to both ends of the arc plate. Inserted posts are symmetrically fixedly connected to the bottom ends of the two first fixing plates. Limiting grooves are provided at the ends of the two sets of inserted posts that are far apart from each other.
[0008] The disassembly and assembly mechanism also includes a second fixing plate fixedly connected to the lower part of the corresponding arc-shaped notch on the outer wall of the drain pipe. The top of the two second fixing plates are symmetrically provided with insertion holes. The middle of the two second fixing plates at opposite ends is provided with a circular groove. The inner wall of the circular groove is fixedly connected with a tension spring. The other end of the tension spring is fixedly connected with a connecting plate. The end of the connecting plate near the second fixing plate is symmetrically fixedly connected with a limit post and extends into the insertion hole.
[0009] Preferably, the adjusting limiting mechanism includes a fixed ring fixedly connected to the top of the arc-shaped plate, a lifting ring slidably connected to the inner wall of the fixed ring, a limiting ring fixedly connected to the inner wall of the lifting ring, and two sets of limiting blocks fixedly connected to the inner wall of the limiting ring, with the included angle between the two sets of limiting blocks being ninety degrees.
[0010] Preferably, the adjusting limiting mechanism further includes a locking block fixedly connected to the outer wall of the rotating shaft, the thickness of which is equal to the distance between each set of limiting blocks.
[0011] Preferably, the bottom end of the lifting ring is fixedly connected to multiple springs, and each of the multiple springs is fixedly connected to the arc-shaped plate.
[0012] Preferably, the bottom end of the lifting ring is provided with multiple guide grooves, and the inner wall of each of the multiple guide grooves is provided with guide posts, and the multiple guide posts are fixedly connected to the arc plate.
[0013] Preferably, the arc-shaped plate has symmetrical arc-shaped grooves on both sides of its bottom end, and the arc-shaped grooves are compatible with the arc-shaped plate.
[0014] Preferably, the rotating shaft and the arc plate are rotatably connected, and the two sets of limiting posts are provided with inclined surfaces at one end close to each other.
[0015] Compared with the prior art, the utility model has the advantages that:
[0016] 1) the municipal drainage device, through the adjusting limiting mechanism can be in the backflushing disc is adjusted for with drainage pipe horizontal axis parallel state, to backflushing disc is limited, prevent when sewage, backflushing disc rotates, thereby avoid influence sewage discharge efficiency, and can easily know the orientation of backflushing disc water jet, thereby can timely complete the cleaning of intercepting net.
[0017] 2) the municipal drainage device, through the dismounting mechanism can take down backflushing disc to it is overhauled, thereby can timely find the problem, and solve it, and due to the existence of hose will not affect the taking out of backflushing disc, the subsequent continuous use is convenient. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the overall structure schematic view of the utility model a municipal drainage device;
[0019] Figure 2 It is the drainage pipe sectional view of the utility model a municipal drainage device;
[0020] Figure 3 It is the cutting diagram of the utility model a municipal drainage device;
[0021] Figure 4 It is the backflushing disc sectional view of the utility model a municipal drainage device;
[0022] Figure 5 It is the split diagram of the utility model a municipal drainage device;
[0023] Figure 6 It is Figure 5 The enlarged view of A;
[0024] Figure 7 It is the second fixed plate sectional view of the utility model a municipal drainage device.
[0025] In the drawing: 1, drainage pipe;2, temporary storage bucket;3, water pump;4, intercepting net;5, backflushing disc;6, rotating shaft;7, hose;8, arc-shaped notch;9, arc-shaped piece;10, arc-shaped plate;11, first fixed plate;12, insertion column;13, limiting groove;14, second fixed plate;15, insertion hole;16, circular groove;17, tension spring;18, connecting plate;19, limiting column;20, fixed ring;21, lifting ring;22, limiting ring;23, limiting block;24, clamping block;25, spring;26, guide groove;27, guide column. DETAILED DESCRIPTION
[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0027] Example 1
[0028] Combination Figures 1-7 A municipal drainage device includes a drainage pipe 1, a temporary storage tank 2 fixedly connected to one side of the bottom end of the drainage pipe 1, a water pump 3 fixedly connected to the top end of the drainage pipe 1, a pipe fixedly connected to the inlet of the water pump 3 and extending into the temporary storage tank 2, an interception net 4 fixedly connected to the horizontal bend of the inner wall of the drainage pipe 1, a backflushing plate 5 provided on one side of the inner wall of the drainage pipe 1 corresponding to the interception net 4, a rotating shaft 6 fixedly connected to the top end of the backflushing plate 5, the backflushing plate 5 and the water pump 3 being connected by a flexible hose 7 and passing through the rotating shaft 6, and a disassembly and assembly mechanism provided on the drainage pipe 1, and an adjustment limit mechanism provided on the disassembly and assembly mechanism.
[0029] See Figure 2 , Figure 3 and Figure 4 Furthermore, the adjusting limiting mechanism includes a fixed ring 20 fixedly connected to the top of the arc plate 10, a lifting ring 21 slidably connected to the inner wall of the fixed ring 20, a limiting ring 22 fixedly connected to the inner wall of the lifting ring 21, and two sets of limiting blocks 23 fixedly connected to the inner wall of the limiting ring 22. The included angle between the two sets of limiting blocks 23 is 90 degrees. The adjusting limiting mechanism also includes a locking block 24 fixedly connected to the outer wall of the rotating shaft 6. The thickness of the locking block 24 is equal to the distance between each set of limiting blocks 23. Multiple springs 25 are fixedly connected to the bottom end of the lifting ring 21. Multiple springs 25 are fixedly connected to the arc plate 10. Multiple guide grooves 26 are opened at the bottom end of the lifting ring 21. Guide posts 27 are provided on the inner wall of each guide groove 26. Multiple guide posts 27 are fixedly connected to the arc plate 10.
[0030] Specifically, by pressing the lifting ring 21, the limiting block 23 and the locking block 24 are separated. At this time, the rotating shaft 6 can be rotated to adjust the angle of the recoil plate 5 so that it can be used in different situations. After the adjustment is completed, the lifting ring 21 is released and the elastic reset action of the spring 25 can make the lifting ring 21 move upward and make the locking block 24 lock into another set of limiting blocks 23, thus completing the adjustment and preventing the rotating shaft 6 from rotating.
[0031] Example 2
[0032] See Figure 5 , Figure 6 and Figure 7And on the basis of embodiment one, further obtained, dismounting mechanism includes the arc-shaped notch 8 which is opened on the outer wall of the drain pipe 1, both ends of the arc-shaped notch 8 are fixedly connected with the arc-shaped sheet 9, the arc-shaped sheet 10 is arranged on the arc-shaped notch 8, both ends of the arc-shaped sheet 10 are fixedly connected with the first fixed plate 11, the bottom end of the two first fixed plates 11 is fixedly connected with the insertion column 12, both ends of the two groups of insertion columns 12 are provided with the limiting slot 13;
[0033] The dismounting mechanism further comprises a second fixed plate 14 fixedly connected below the arc-shaped notch 8 on the outer wall of the drain pipe 1, the top end of the two second fixed plates 14 is symmetrically provided with an insertion hole 15, the middle part of the two second fixed plates 14 is provided with a circular slot 16, the inner wall of the circular slot 16 is fixedly connected with a tension spring 17, the other end of the tension spring 17 is fixedly connected with a connecting plate 18, and the end of the connecting plate 18 close to the second fixed plate 14 is fixedly connected with a limiting column 19 and extends into the insertion hole 15.
[0034] Specifically, by pulling the connecting plate 18 to the outside, the limiting column 19 moves outward, so that the limiting column 19 is out of the range of the limiting slot 13, at this time, the arc-shaped plate 10 is pulled up to make the insertion column 12 out of the range of the insertion hole 15, so that the backflushing disc 5 can be taken out and maintained, thus facilitating maintenance and timely detection of problems, so that it can be continuously used, and when disassembled and maintained, the presence of the hose 7 does not affect the removal of the backflushing disc 5.
[0035] Embodiment three
[0036] Referring to Figure 3 And Figure 5 And on the basis of embodiment one and embodiment two, further obtained, the bottom end of the arc-shaped plate 10 is symmetrically provided with an arc-shaped slot, the arc-shaped slot and the arc-shaped sheet 9 are matched, the rotating shaft 6 and the arc-shaped plate 10 are rotationally connected, and the two groups of limiting columns 19 are provided with inclined surfaces at the ends close to each other.
[0037] Specifically, the arc-shaped plate 10 can be closely installed with the arc-shaped sheet 9, and the arc-shaped plate 10 is limited, and the arc-shaped plate 10 does not affect the rotation of the rotating shaft 6.
[0038] In actual operation, the lifting ring 21 is pressed downward, the limiting ring 22 and the limiting block 23 are moved downward, one group of limiting blocks 23 and the clamping block 24 are separated, and when the separation is completed, the rotating shaft 6 is rotated to adjust the backflushing disc 5 to be parallel to the horizontal axis of the drain pipe 1, at this time, the lifting ring 21 is loosened and the spring 25 is elastically reset to move the lifting ring 21 and the limiting ring 22 upward, and the clamping block 24 is clamped between the other group of limiting blocks 23, which facilitates the rotation of the backflushing disc 5 during sewage discharge, and avoids affecting the flow rate of the sewage;
[0039] When the sewage discharge is finished, the backflushing disc 5 is adjusted to be perpendicular to the horizontal axis by the above structure, at this time the water pump 3 is started to pump out the temporarily stored sewage in the temporary storage barrel 2 and is delivered into the backflushing disc 5 through the hose 7, then is sprayed from the nozzle on the backflushing disc 5, so that the clogged holes on the intercepting net 4 can be cleaned, and most of the holes are dredged;
[0040] When the backflushing disc 5 is used for a period of time, the connecting plate 18 can be pulled to the outside with the limiting column 19, so that the limiting column 19 is moved to the outside of the limiting slot 13, at this time the arc-shaped plate 10 is pulled up to make the inserting column 12 move to the outside of the inserting hole 15, so that the backflushing disc 5 can be taken out and repaired, so that the repair is convenient and the problems can be found in time.
[0041] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments can be subject to various changes, modifications, substitutions and alterations without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A municipal drainage device, comprising a drainage pipe (1), a temporary storage tank (2) fixedly connected to one side of the bottom end of the drainage pipe (1), a water pump (3) fixedly connected to the top end of the drainage pipe (1), a pipe fixedly connected to the inlet of the water pump (3) and extending into the temporary storage tank (2), an intercepting net (4) fixedly connected to a horizontal bend in the inner wall of the drainage pipe (1), a backflushing disc (5) provided on one side of the inner wall of the drainage pipe (1) corresponding to the intercepting net (4), a rotating shaft (6) fixedly connected to the top end of the backflushing disc (5), the backflushing disc (5) and the water pump (3) being connected by a flexible hose (7) and passing through the rotating shaft (6), characterized in that: The drain pipe (1) is provided with a disassembly and assembly mechanism, and the disassembly and assembly mechanism is provided with an adjustment and limit mechanism; The disassembly and assembly mechanism includes an arc-shaped notch (8) on the outer wall of the drain pipe (1), arc-shaped pieces (9) are fixedly connected to both ends of the arc-shaped notch (8), an arc-shaped plate (10) is provided on the arc-shaped notch (8), a first fixing plate (11) is fixedly connected to both ends of the arc-shaped plate (10), and a pin (12) is symmetrically fixedly connected to the bottom end of the two first fixing plates (11), and a limit groove (13) is provided at one end of each set of pins (12) away from each other; The disassembly and assembly mechanism also includes a second fixing plate (14) fixedly connected below the arc-shaped notch (8) on the outer wall of the drain pipe (1). The top of each of the two second fixing plates (14) is symmetrically provided with insertion holes (15). The middle of each of the two second fixing plates (14) at one end away from each other is provided with a circular groove (16). The inner wall of each circular groove (16) is fixedly connected with a tension spring (17). The other end of each tension spring (17) is fixedly connected with a connecting plate (18). The end of each connecting plate (18) near the second fixing plate (14) is symmetrically fixedly connected with a limit post (19) and extends into the insertion hole (15).
2. A municipal drainage device according to claim 1, characterized in that: The adjusting limiting mechanism includes a fixed ring (20) fixedly connected to the top of the arc plate (10), a lifting ring (21) slidably connected to the inner wall of the fixed ring (20), a limiting ring (22) fixedly connected to the inner wall of the lifting ring (21), and two sets of limiting blocks (23) fixedly connected to the inner wall of the limiting ring (22). The included angle between the two sets of limiting blocks (23) is ninety degrees.
3. A municipal drainage device according to claim 2, characterized in that: The adjusting limit mechanism also includes a locking block (24) fixedly connected to the outer wall of the rotating shaft (6), the thickness of which is equal to the distance between each set of limit blocks (23).
4. A municipal drainage device according to claim 2, characterized in that: The bottom end of the lifting ring (21) is fixedly connected to multiple springs (25), and all of the multiple springs (25) are fixedly connected to the arc plate (10).
5. A municipal drainage device according to claim 4, characterized in that: The bottom end of the lifting ring (21) is provided with multiple guide grooves (26), and the inner wall of each of the multiple guide grooves (26) is provided with guide posts (27), and the multiple guide posts (27) are fixedly connected to the arc plate (10).
6. A municipal drainage device according to claim 1, characterized in that: The arc plate (10) has symmetrical arc grooves on both sides of its bottom end, and the arc grooves and the arc plate (9) are compatible.
7. A municipal drainage device according to claim 1, characterized in that: The rotating shaft (6) and the arc plate (10) are rotatably connected, and the two sets of limiting posts (19) are close to each other with inclined surfaces at one end.
Citation Information
Patent Citations
Municipal drainage device
CN220704692U