Municipal drainage pipeline plugging device convenient to use

The opening-type sealing mechanism, which combines external and internal support seats, utilizes components such as adjusting screws, compression seats, and expansion airbags to achieve rapid and stable sealing of municipal drainage pipelines. This solves the problem of easy damage to traditional sealing devices and improves sealing performance and service life.

CN224107867UActive Publication Date: 2026-04-10武安市市政公用设施维护服务中心
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-08
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

The air bladders of traditional municipal drainage pipe plugs are prone to rupture and detachment, leading to plugging failure and affecting service life and sealing performance.

Method used

The opening-type sealing mechanism, which uses an outer support and an inner support, utilizes an adjusting screw, a compression seat, an elastic rubber cover, and an expansion airbag. It achieves rapid sealing by adjusting the opening mechanism and worm gear transmission, and ensures airtightness by using the expansion airbag and the support of the strip soft plate.

Benefits of technology

It improves the installation efficiency and sealing performance of the plug, prevents sewage leakage, and extends its service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The municipal drainage pipeline plugging device convenient to use comprises an outer supporting seat and an inner supporting seat, the outer supporting seat and the inner supporting seat are located on the same horizontal plane, an adjusting screw rod is movably installed on the outer supporting seat, the adjusting screw rod is inserted into the inner supporting seat in a threaded mode, an adjusting handle is installed at one end of the adjusting screw rod, and the adjusting handle is connected with the adjusting screw rod. And an opening type plugging mechanism is arranged between the outer supporting seat and the inner supporting seat. According to the plugging device, the outer supporting seat and the inner supporting seat are adjusted and matched, and linkage of the adjusting and opening mechanism is adopted, so that the extrusion seat drives the elastic rubber cover to be rapidly opened, a drainage pipeline is rapidly plugged, the plugging device is effectively and conveniently installed and fixed, and the installation efficiency is effectively improved; through the arrangement of the expansion air bag and the strip-shaped soft plate which are arranged on the extrusion seat, the elastic rubber cover and the drainage pipeline can be sealed through inflation expansion of the expansion air bag, and through supporting of the strip-shaped soft plate, the leakproofness of sealing of the drainage pipeline is guaranteed, and the situation that sewage leaks is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of municipal drainage related equipment, especially convenient to use's municipal drainage pipeline plugging device. BACKGROUND

[0002] Municipal drainage pipeline refers to the rainwater and sewage pipeline under the municipal road, namely the commonly called "sewer pipeline". With the importance attached to ecological environment protection, now the plugging device is generally used to carry out plugging treatment to the municipal pipeline at the river outlet, so as to avoid the pollution of river ecological environment caused by the discharge of sewage through the pipeline.

[0003] The traditional pipeline plugging is directly carried out by sticking the air bag to the inner wall of the pipeline, because the water flow in the pipeline extrudes the air bag with pressure, and the friction of the air bag itself relying on expansion to contact the pipeline is small, so the outer surface of the air bag is prone to damage during use, which affects the service life, and when the air pressure in the air bag decreases, the air bag is prone to fall off from the pipeline, resulting in the problem of invalid plugging of the drainage pipeline. SUMMARY

[0004] To solve the problems in the above background art, the utility model provides a convenient to use's municipal drainage pipeline plugging device.

[0005] The technical scheme of the utility model for realizing the above purpose is a convenient to use's municipal drainage pipeline plugging device, which comprises an outer support seat and an inner support seat, the outer support seat and the inner support seat are on the same horizontal plane, an adjusting screw is movably installed on the outer support seat, the adjusting screw passes through the inner support seat and is threadedly connected with the inner support seat, an adjusting handle is installed at one end of the adjusting screw, and a support opening type plugging mechanism is arranged between the outer support seat and the inner support seat.

[0006] The support opening type plugging mechanism comprises a plurality of extrusion seats, which are uniformly arranged between the outer support seat and the inner support seat and are circularly distributed, a locking bevel gear is arranged on one side of the outer side surface of the extrusion seat, an expansion air bag groove is formed on the other side of the outer side surface of the extrusion seat, a soft plate groove is formed in the inner lower surface of the expansion air bag groove, an elastic rubber cover is sleeved on the outer side surface of the extrusion seat, the outer support seat and the inner support seat, the elastic rubber cover covers the expansion air bag groove, an adjusting support opening mechanism is arranged between the extrusion seat and the outer support seat and the inner support seat, and an adjusting soft plate mechanism is arranged in the soft plate groove.

[0007] The adjusting soft plate mechanism comprises an adjusting box arranged between the two extrusion seats, an adjusting worm is arranged in the adjusting box, one end of the adjusting worm extends out of the adjusting box and is provided with a fastening handle, two soft plate cylinders are arranged at the center of the adjusting box, one end of each of the two soft plate cylinders is provided with a synchronous gear, the two synchronous gears are meshed with each other, one side of one of the synchronous gears is provided with a worm wheel which is meshed with the adjusting worm, and a strip-shaped soft plate is arranged in the soft plate groove, both ends of the strip-shaped soft plate are inserted into the adjusting box and are fixedly connected with the soft plate cylinders.

[0008] Preferably, the adjusting support opening mechanism comprises a plurality of cross support rods arranged between the extrusion seat and the outer support seat and the inner support seat, a connecting pipe cap is threadedly arranged at each of four corners of the cross support rods, the connecting pipe caps at the upper two corners are connected with the extrusion seat through a rotating seat, and the connecting pipe caps at the lower two corners are connected with the outer support seat and the inner support seat through rotating seats respectively.

[0009] Preferably, the inflation air bag groove is open at the two sides and the top, and an inflation air bag is arranged in the inflation air bag groove, the inflation air bag is annular and is sleeved on the inflation air bag groove of the plurality of extrusion seats.

[0010] Preferably, the outer surfaces of the outer support seat and the inner support seat are regular polygons, and the number of sides of the regular polygons is the same as the number of the extrusion seats.

[0011] Preferably, the width of the extrusion seat is the same as the length of the side of the outer surface of the outer support seat and the inner support seat.

[0012] Preferably, the elastic rubber cover is fixed with the outer side surface of the extrusion seat through fastening bolts, and the elastic rubber cover is fixed with the outer support seat through the cooperation of a fastening pressing plate and fastening bolts.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The adjusting cooperation of the outer support seat and the inner support seat and the linkage of the adjusting support opening mechanism enable the extrusion seat to drive the elastic rubber cover to be quickly opened, so that the drainage pipeline is quickly blocked, the installation and fixation of the plugging device are facilitated, and the installation efficiency is improved.

[0015] 2. The inflation and expansion of the inflation air bag and the strip-shaped soft plate arranged on the extrusion seat can seal the elastic rubber cover and the drainage pipeline, the strip-shaped soft plate can support the drainage pipeline to ensure the sealing of the drainage pipeline, and the leakage of sewage is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structural schematic view of the utility model discloses a convenient municipal drainage pipeline plugging device;

[0017] Figure 2is the side view of the utility model Figure 1 ;

[0018] Figure 3 is the partial enlarged view of the extrusion seat of the utility model

[0019] Figure 4 is the schematic view of the adjusting box of the utility model

[0020] in the figure

[0021] 1, outer support seat; 11, adjusting screw; 12, adjusting handle; 2, inner support seat; 3, support opening type plugging mechanism; 31, extrusion seat; 311, locking bevel gear; 312, inflatable air bag groove; 313, soft plate groove; 32, elastic rubber cover; 33, adjusting support opening mechanism; 331, cross support rod; 332, connecting pipe cap; 34, adjusting soft plate mechanism; 341, adjusting box; 342, adjusting worm; 343, fastening handle; 344, soft plate cylinder; 345, synchronous gear; 346, worm wheel; 347, strip-shaped soft plate; 35, inflatable air bag. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] The utility model provides a kind of technical scheme, as shown in Figures 1-4 Convenient to use's municipal drainage pipeline plugging device, including outer support seat 1 and inner support seat 2, outer support seat 1 with inner support seat 2 is in the same horizontal plane, adjusting screw 11 is movably installed on outer support seat 1, adjusting screw 11 passes through inner support seat 2, and is connected with inner support seat 2 by screw thread, and adjusting screw 11 one end installs adjusting handle 12.

[0024] In the utility model embodiment, the spacing between outer support seat 1 and inner support seat 2 can be adjusted by the screw thread cooperation of adjusting screw 11 and inner support seat 2, and then the support opening diameter of extrusion seat 31 is adjusted by cross support rod 331, so that it can be supported and opened by elastic rubber cover 32 Plugging, effectively facilitate the operation and use of staff.

[0025] The expansion type plugging mechanism 3 comprises a plurality of extrusion seats 31 which are evenly arranged between the outer support seat 1 and the inner support seat 2 and are circularly distributed, a locking bevel gear 311 is arranged on one side of the outer side surface of the extrusion seat 31, an expansion air bag groove 312 is opened on the other side of the outer side surface of the extrusion seat 31, a soft plate groove 313 is opened on the inner lower surface of the expansion air bag groove 312, an elastic rubber cover 32 is sleeved on the outer side surface of the extrusion seat 31 and the outer support seat 1, and the elastic rubber cover 32 covers the expansion air bag groove 312.

[0026] In the embodiment of the utility model, the setting of the fastening bevel gear 3111 can make the extrusion seat 31 contact the inner wall of the drainage pipeline, and the extrusion seat 31 can be fixed to the drainage pipeline, thereby ensuring the stability of the device.

[0027] In the embodiment of the utility model, the elastic rubber cover 32 is expanded by the extrusion seat 31, so that the elastic rubber cover 32 is expanded synchronously, and the elastic rubber cover 32 can block the drainage pipeline, thereby ensuring the tightness of the device for blocking the drainage pipeline.

[0028] The adjusting soft plate mechanism 34 comprises an adjusting box 341 arranged between the two extrusion seats 31, an adjusting worm 342 is arranged in the adjusting box 341, one end of the adjusting worm 342 extends out of the adjusting box 341 and is provided with a fastening handle 343, soft plate cylinders 344 are arranged on both sides of the center of the adjusting box 341, one end of the two soft plate cylinders 344 is provided with a synchronous gear 345, the two synchronous gears 345 are meshed with each other, one side of one of the synchronous gears 345 is provided with a worm wheel 346, the worm wheel 346 is meshed with the adjusting worm 342, a strip-shaped soft plate 347 is arranged in the soft plate groove 313, both ends of the strip-shaped soft plate 347 are inserted into the adjusting box 341 and are fixedly connected with the soft plate cylinders 344.

[0029] In the embodiment of the utility model, the strip-shaped soft plate 347 is made of soft steel, so that the strip-shaped soft plate 347 can be conveniently rolled and released, and after the strip-shaped soft plate 347 is expanded with the extrusion seat 31, the strip-shaped soft plate 347 is rolled by the soft plate cylinder 344 to form a ring-shaped support ring, and the expansion air bag 35 is supported, so that the expansion air bag 35 can stably extrude the elastic rubber cover 22, thereby ensuring the sealing effect of the drainage pipeline and avoiding sewage leakage.

[0030] In the embodiment of the utility model, the self-locking property of the worm and gear transmission mechanism can ensure the stability of the strip-shaped soft plate 347 after adjustment, and the staff can conveniently operate and use the device.

[0031] The adjusting support mechanism 33 comprises a plurality of cross struts 331 arranged between the extrusion seat 31 and the outer support seat 1 and the inner support seat 2, and a plurality of connecting pipe caps 332 are threadedly connected to the four corners of the cross struts 331, and the cross struts 331 are arranged in a cross shape, and the two connecting pipe caps 332 above the cross struts 331 are connected to the extrusion seat 31 through rotating seats, and the two connecting pipe caps 332 at the lower ends of the cross struts 331 are connected to the outer support seat 1 and the inner support seat 2 through rotating seats respectively.

[0032] In the embodiment of the utility model, the cross struts 331 are arranged, the distance between the outer support seat 1 and the inner support seat 2 is adjusted, the support diameter of the extrusion seat 31 is controlled, and the stability of the extrusion seat 31 after being supported is ensured, so that the device can be stably fixed in the drainage pipeline and sealed with the drainage pipeline.

[0033] The inflation air bag groove 312 is open on both sides and above, and the inflation air bag 35 is arranged in the inflation air bag groove 312, the inflation air bag 35 is annular and is sleeved on the inflation air bag groove 312 of the plurality of extrusion seats 31; the inflation air bag 35 is inflated and deflated through the air cock, the inflation air bag 35 is emptied when the device is contracted, so that the contraction and storage of the device are facilitated, and when the device is used, the inflation air bag 35 is inflated through the air cock, the inflation air bag 35 is extruded, and the strip-shaped soft plate 347 is supported, so that the elastic rubber cover 32 gradually maintains sufficient pressure with the drainage pipeline, and the plugging effect of the pipeline is ensured, and leakage is avoided.

[0034] The outer surfaces of the outer support seat 1 and the inner support seat 2 are regular polygons, the number of sides is the same as the number of the extrusion seats 31, the width of the extrusion seat 31 is the same as the length of the side of the outer surface of the outer support seat 1 and the inner support seat 2, and the installation of the adjusting support mechanism 33 is facilitated, and the manufacturing and assembly of the device are facilitated.

[0035] The elastic rubber cover 32 and the extrusion seat 31 are fixed through fastening bolts, and the elastic rubber cover 32 and the outer support seat are fixed through the cooperation of fastening pressure plates and fastening bolts, so that the fastening firmness of the elastic rubber cover 32 is ensured, and the elastic rubber cover 32 can stably plug the drainage pipeline.

[0036] When the utility model is used, the following steps are adopted:

[0037] S1: the device is inserted into the drainage pipeline, the adjusting handle 12 is manually rotated by the worker, and the inner support seat 2 is fixed by the other hand, so that the inner support seat 2 is gradually moved to the outer support seat 1 through the rotation of the adjusting screw rod 11.

[0038] S2: with the movement of the inner support seat 2, the distance between the inner support seat 2 and the outer support seat 1 is gradually reduced, so that the extrusion seat 31 is supported outward through the adjusting support mechanism 33, and the elastic rubber cover 32 is gradually supported outward by the extrusion seat 31.

[0039] S3: After the adjusting handle 12 is rotated for a certain time, the strip-shaped soft plate 347 is taut with the opening of the pressing seat 31, at this time, the worker rotates the fastening handle 343, so that the adjusting worm 342 drives the worm wheel 346 to rotate, and then the two synchronous gears 345 are engaged, and the soft plate cylinder 344 releases the strip-shaped soft plate 347, and the strip-shaped soft plate 347 releases a certain length.

[0040] S4: The worker alternately rotates the adjusting handle 12 and the fastening handle 343, so that the device gradually expands in the drain pipe, when the pressing seat 31 contacts the inner wall of the drain pipe and is fixed in the drain pipe through the fastening bevel gear 311, the worker stops rotating the adjusting handle 12.

[0041] S5: The worker inflates the inflatable air bag 35 by using the air pump, with the inflation of the inflatable air bag 35, the inflatable air bag 35 gradually contacts and supports the elastic rubber cover 32, when the internal pressure of the inflatable air bag 35 reaches a certain degree, the inflation is stopped, the device is installed, and the plugging work of the drain pipe is completed.

[0042] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations 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 can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without more limitations, the statement "comprises... limited element" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that includes the stated element.

[0043] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto 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 convenient municipal sewer pipe stopper, characterized in that, The utility model provides a kind of supporting seat for supporting and sealing, including outer supporting seat and inner supporting seat, the outer supporting seat is in the same horizontal plane with inner supporting seat, adjusting screw rod is movably installed on the outer supporting seat, adjusting screw rod passes through inner supporting seat, and is threadedly connected with inner supporting seat, one end of adjusting screw rod is installed adjusting handle, and supporting and sealing mechanism is arranged between the outer supporting seat and inner supporting seat. The supporting and sealing mechanism includes a plurality of extrusion seats, which are evenly arranged between the outer supporting seat and the inner supporting seat and distributed in a circular shape. Locking bevel gears are arranged on one side of the outer side surface of the extrusion seats. Expansion air bag grooves are opened on the other side of the outer side surface of the extrusion seats. Soft plate grooves are opened on the inner lower surface of the expansion air bag grooves. Elastic rubber covers are fitted on the outer side surface of the extrusion seats, the outer supporting seat and the inner supporting seat. The elastic rubber covers cover the expansion air bag grooves. Adjusting opening mechanisms are arranged between the extrusion seats and the outer supporting seat and the inner supporting seat. Adjusting soft plate mechanisms are arranged in the soft plate grooves. The adjusting soft plate mechanism includes an adjusting box arranged between two extrusion seats. An adjusting worm is arranged in the adjusting box. One end of the adjusting worm extends out of the adjusting box and is installed with a fastening handle. Soft plate cylinders are arranged on both sides of the center of the adjusting box. Synchronous gears are installed at one end of the two soft plate cylinders, and the two synchronous gears are meshed with each other. One side of one of the synchronous gears is arranged with a worm wheel, which is meshed with the adjusting worm. A strip-shaped soft plate is installed in the soft plate groove, and both ends of the strip-shaped soft plate are inserted into the adjusting box and fixedly connected with the soft plate cylinders.

2. A convenient municipal sewer pipe stopper according to claim 1, characterized in that, The adjusting opening mechanism includes a plurality of cross struts arranged between the extrusion seats and the outer supporting seat and the inner supporting seat. Connection pipe caps are threadedly installed at the four corners of the cross struts and are arranged in a cross shape. The two connection pipe caps above are connected with the extrusion seats through rotating seats. The connection pipe caps at the lower ends are connected with the outer supporting seat and the inner supporting seat through rotating seats, respectively.

3. A user-friendly municipal sewer pipe stopper as claimed in claim 1, wherein, The expansion air bag grooves are open on both sides and above, and an expansion air bag is arranged inside. The expansion air bag is annular and is fitted in the expansion air bag grooves on the plurality of extrusion seats.

4. A convenient municipal sewer pipe stopper according to claim 1, wherein, The outer surfaces of the outer supporting seat and the inner supporting seat are regular polygons, and the number of sides is the same as the number of extrusion seats.

5. A user-friendly municipal sewer pipe stopper as claimed in claim 1, wherein, The width of the extrusion seat is the same as the length of the outer surface of the outer supporting seat and the inner supporting seat.

6. A convenient municipal sewer pipe stopper according to claim 1, wherein, The elastic rubber cover and the outer side surface of the extrusion seat are fixed by fastening bolts. The elastic rubber cover and the outer supporting seat are fixed by the cooperation of fastening pressure plates and fastening bolts.