Pipeline inspection well sealing device

Abstract

The utility model discloses a pipeline inspection well sealing device, which relates to the technical field of drainage systems and comprises an inspection well main body, a pipeline sealing unit, a water leakage detection alarm unit and a well lid unit, connecting blocks are arranged on the lower portion of the inner side of the inspection well body. The pipeline sealing unit comprises an inner side sleeve, a silica gel sealing rubber mat and a first rubber sealing ring, the outer side of the inner side sleeve is fixedly connected with the silica gel sealing rubber mat, the silica gel sealing rubber mat is connected to the inner side of the connecting block in a sleeving mode, the first rubber sealing ring is arranged between the connecting block and the outer side of the inner side sleeve, and the water leakage detection alarm unit is installed on the pipeline sealing unit; the well lid unit is installed on the inspection well body, the pipeline sealing unit further comprises an outer side pipeline, epoxy resin sealant, a second rubber sealing ring and an annular fixing plate, and the pipeline inspection well sealing device can guarantee the sealing effect of the inspection well and the pipeline, detect the water leakage condition at the connecting position and rapidly give an alarm at the same time.

Description

Technical Field

[0001] This utility model relates to the field of drainage system technology, specifically to a sealing device for pipeline inspection wells. Background Technology

[0002] Inspection wells are vertical shafts built at regular intervals along underground pipelines for rainwater and sewage discharge. They are used to connect pipelines of different diameters, directions, and heights. They are mainly used by maintenance workers to regularly inspect and dredge pipelines, remove sludge and foreign objects, and prevent pipeline blockages. They are one of the underground infrastructures of urban roads.

[0003] In existing technologies, manholes are directly connected to pipelines. The connection points of the manholes are relatively rough, resulting in poor sealing and making it difficult to detect leaks. Typically, each manhole needs to be checked individually. To address this, we propose a sealing device for pipeline manholes. Utility Model Content

[0004] The technical problem to be solved by this utility model is to overcome the existing defects and provide a sealing device for pipeline inspection wells, which can ensure the sealing effect between the inspection well and the pipeline, and can detect and alarm the leakage at the connection, thus effectively solving the problems in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a pipeline inspection well sealing device, comprising an inspection well body, a pipeline sealing unit, a leakage detection and alarm unit, and a well cover unit;

[0006] Inspection well body: A connecting block is installed on the lower inner side;

[0007] Pipe sealing unit: includes an inner sleeve, a silicone sealing gasket and a rubber sealing ring. The silicone sealing gasket is fixedly connected to the outer side of the inner sleeve. The silicone sealing gasket is sleeved on the inner side of the connecting block. A rubber sealing ring is provided between the connecting block and the outer side of the inner sleeve. The inner sleeve and the connecting block are fixedly connected by bolts.

[0008] Leakage detection and alarm unit: installed on the pipe sealing unit;

[0009] Manhole cover unit: Installed on the main body of the inspection well.

[0010] The inner sleeve is fixed with bolts. The silicone sealing gasket fills the gap between the connecting block and the inner sleeve. A pair of rubber sealing rings provide secondary sealing at the outer connection between the connecting block and the inner sleeve. The surface design of the connecting block facilitates the connection between the pipe and the manhole body. The rough inner surface of the connecting block, with the addition of the inner sleeve, significantly improves the sealing effect between the pipe and the inner sleeve.

[0011] Furthermore, the pipe sealing unit also includes an outer pipe, epoxy resin sealant, a second rubber sealing ring, and an annular fixing plate. The top end of the outer pipe is thinner than the outer end, and the top end of the outer pipe is fitted inside the inner sleeve. Epoxy resin sealant is provided between the inner sleeve and the epoxy resin sealant. A second rubber sealing ring is provided between the annular fixing plate and the outer side of the connecting block. The second rubber sealing ring is fixed to the connecting block by bolts. The annular fixing plate is fixed to the connecting block by bolts, the second rubber sealing ring seals the connection, the epoxy resin sealant further enhances the connection and sealing performance between the inner sleeve and the outer pipe, and the second rubber sealing ring provides a secondary seal to ensure the reliability of the seal at the connection.

[0012] Furthermore, the leak detection alarm unit includes an insulating protective cover, a metal protective mesh, an insulating sponge, a conductive ring, and a signal transmitter. A conductive ring is fixedly connected to the inner side of the insulating protective cover, an insulating sponge is fixedly connected to the inner side of the conductive ring, and a metal protective mesh is fixedly connected to the inner side of the insulating sponge. A signal transmitter is fixedly connected to the outer side of the insulating protective cover. The cathode of the signal transmitter passes through the insulating protective cover and is fixedly connected to the insulating sponge. The anode of the signal transmitter passes through the insulating protective cover, the conductive ring, and the insulating sponge and is fixedly connected to the metal protective mesh. The insulating protective cover is fitted over the outer pipe, the second rubber sealing ring, and the annular fixing plate. The insulating protective cover is fixed to the connecting block with bolts. The insulating protective cover is fixed to the outside of the connecting block with bolts, and its inner side is tightly fitted with the second rubber sealing ring and the annular fixing plate. When a leak occurs, the water flows through the metal protective mesh and is absorbed by the insulating sponge. If the leak continues, the water absorbed by the insulating sponge will cause the conductive ring to connect with the metal protective mesh, triggering the signal transmitter to send a wireless alarm signal to the outside. Simultaneously, the insulating protective cover also provides a certain degree of sealing in the event of a leak.

[0013] Furthermore, the manhole cover unit includes a connecting groove, a sealing rubber sleeve, and a connecting pipe. The sealing rubber sleeve is fixedly connected to the lower outer end of the connecting groove. The connecting groove is fitted onto the upper inner side of the manhole body. The connecting pipe is fixedly connected to the lower inner end of the connecting groove, and a one-way valve is installed inside the connecting pipe. The sealing rubber sleeve ensures the seal between the connecting groove and the manhole body, and the one-way valve inside the connecting pipe prevents water inside the manhole body from flowing back into the connecting groove.

[0014] Furthermore, the manhole cover unit also includes a limiting cylinder, a filter cover, a manhole cover, and drainage holes. The limiting cylinder is fixedly connected to the inner side of the connecting groove, and the filter cover is slidably connected to the inner side of the limiting cylinder. The manhole cover is provided at the upper end of the inner side of the connecting groove, and multiple drainage holes are opened at the upper end of the manhole cover. The limiting cylinder is used to install the filter cover. Water flows into the connecting groove through the drainage holes above the manhole cover, and the filter cover filters the water flow to prevent pipe blockage.

[0015] Furthermore, it also includes a protective casing, which is fixedly connected to the upper outer side of the manhole body. The protective casing provides protection during the installation of the manhole body, preventing damage to the manhole body during construction.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows: This pipeline inspection well sealing device has the following advantages:

[0017] 1. This pipeline inspection well sealing device features a silicone sealing gasket and a rubber sealing ring between the inner sleeve and the connecting block, forming a double sealing barrier to prevent water leakage. The inner sleeve is fixedly connected to the connecting block with bolts, ensuring the stability and sealing of the connection. The rough surface on the inner side of the connecting block, combined with the inner sleeve, significantly improves the sealing effect between the pipeline and the inspection well.

[0018] 2. The sealing device for this pipeline inspection well, when leakage occurs, allows water to pass through the metal protective mesh and be absorbed by the insulating sponge. If leakage continues, the moisture absorbed by the metal protective mesh will cause the conductive ring to connect with the metal protective mesh, enabling a rapid alarm signal to be sent to the outside via a signal transmitter. This facilitates timely handling by maintenance personnel and prevents further damage caused by leakage. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 This utility model Figure 1 A magnified view of the structure at point A in the middle;

[0021] Figure 3 This is a cross-sectional structural diagram of the present invention;

[0022] Figure 4 This utility model Figure 3 A magnified schematic diagram of the structure at point B in the middle;

[0023] Figure 5 This utility model Figure 3 A magnified schematic diagram of the structure at point C in the middle;

[0024] Figure 6 This is a schematic diagram of the inner structure of this utility model;

[0025] Figure 7 This utility model Figure 6 A magnified schematic diagram of the structure at point D.

[0026] In the diagram: 1. Inspection well body; 2. Connecting block; 3. Pipe sealing unit; 31. Inner sleeve; 32. Silicone sealing gasket; 33. Rubber sealing ring one; 34. Outer pipe; 35. Epoxy resin sealant; 36. Rubber sealing ring two; 37. Annular fixing plate; 4. Leakage detection alarm unit; 41. Insulating protective cover; 42. Metal protective mesh; 43. Insulating sponge; 44. Conductive ring; 45. Signal transmitter; 5. Well cover unit; 51. Connecting groove; 52. Sealing rubber sleeve; 53. Connecting pipe; 54. Limiting cylinder; 55. Filter cover; 56. Well cover; 57. Leakage hole; 6. Protective cylinder. Detailed Implementation

[0027] 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.

[0028] Please see Figure 1-7 This embodiment provides a technical solution: a pipeline inspection well sealing device, including an inspection well body 1, a pipeline sealing unit 3, a water leakage detection and alarm unit 4, and a well cover unit 5;

[0029] Inspection well body 1: A connecting block 2 is provided on the lower inner side;

[0030] Pipeline sealing unit 3: includes an inner sleeve 31, a silicone sealing gasket 32, and a rubber sealing ring 33. The silicone sealing gasket 32 ​​is fixedly connected to the outer side of the inner sleeve 31. The silicone sealing gasket 32 ​​is fitted inside the connecting block 2. A rubber sealing ring 33 is provided between the connecting block 2 and the outer side of the inner sleeve 31. The inner sleeve 31 and the connecting block 2 are fixedly connected by bolts. The inner sleeve 31 is fixed by bolts, and the silicone sealing gasket 32 ​​fills the gap between the connecting block 2 and the inner sleeve 31. The rubber sealing ring 33 provides secondary sealing at the connection between the connecting block 2 and the outer side of the inner sleeve 31. The surface design of the connecting block 2 facilitates the connection between the pipeline and the inspection well body 1. The rough inner surface of the connecting block 2, through the addition of the inner sleeve 31, significantly improves the sealing effect between the pipeline and the inner sleeve 31.

[0031] The pipe sealing unit 3 also includes an outer pipe 34, epoxy resin sealant 35, a second rubber sealing ring 36, and an annular fixing plate 37. The top end of the outer pipe 34 is thinner than the outer end. The top end of the outer pipe 34 is fitted inside the inner sleeve 31. Epoxy resin sealant 35 is provided between the inner sleeve 31 and the epoxy resin sealant 35. A second rubber sealing ring 36 is provided between the annular fixing plate 37 and the outer side of the connecting block 2. The second rubber sealing ring 36 is fixed to the connecting block 2 by bolts. The annular fixing plate 37 is fixed to the connecting block 2 by bolts. The second rubber sealing ring 36 seals the connection. The epoxy resin sealant 35 further enhances the connection and sealing performance between the inner sleeve 31 and the outer pipe 34. The second rubber sealing ring 36 provides a secondary seal to ensure the reliability of the seal at the connection.

[0032] Leakage detection alarm unit 4: installed on pipe sealing unit 3; Leakage detection alarm unit 4 includes insulating protective cover 41, metal protective mesh 42, insulating sponge 43, conductive ring 44 and signal transmitter 45. The conductive ring 44 is fixedly connected to the inner side of the insulating protective cover 41, the insulating sponge 43 is fixedly connected to the inner side of the conductive ring 44, the metal protective mesh 42 is fixedly connected to the inner side of the insulating sponge 43, and the signal transmitter 45 is fixedly connected to the outer side of the insulating protective cover 41. The cathode of the signal transmitter 45 passes through the insulating protective cover 41 and is fixedly connected to the insulating sponge 43. The anode of the signal transmitter 45 passes through the insulating protective cover 41, the conductive ring 44 and the insulating sponge 43 and is fixedly connected to the metal protective mesh 42. The insulating protective cover 41 is sleeved on the outer side of the outer pipe 34, the rubber sealing ring 36 and the annular fixing plate 37. The insulating protective cover 41 is fixed to the connecting block 2 by bolts. The insulating protective cover 41 is fixed to the outside of the connecting block 2 by bolts, and the inside is tightly fitted with the rubber sealing ring 36 and the annular fixing plate 37. When water leakage occurs, the water flows through the metal protective mesh 42 and is absorbed by the insulating sponge 43. If the leakage continues, the water absorbed by the insulating sponge 43 will cause the conductive ring 44 to connect with the metal protective mesh 42, triggering the signal transmitter 45 to send a wireless alarm signal to the outside. At the same time, the insulating protective cover 41 can also provide a certain sealing effect in the event of water leakage.

[0033] Manhole cover unit 5: Installed on the manhole body 1, manhole cover unit 5 includes a connecting groove 51, a sealing rubber sleeve 52, and a connecting pipe 53. The sealing rubber sleeve 52 is fixedly connected to the lower outer end of the connecting groove 51. The connecting groove 51 is fitted onto the upper inner end of the manhole body 1. The connecting pipe 53 is fixedly connected to the lower inner end of the connecting groove 51. A one-way valve is installed inside the connecting pipe 53. The sealing rubber sleeve 52 ensures the sealing between the connecting groove 51 and the manhole body 1. The one-way valve inside the connecting pipe 53 prevents water inside the manhole body 1 from flowing back into the connecting groove 51.

[0034] The manhole cover unit 5 also includes a limiting cylinder 54, a filter cover 55, a manhole cover 56, and drainage holes 57. The limiting cylinder 54 is fixedly connected to the inner side of the connecting groove 51, and the filter cover 55 is slidably connected to the inner side of the limiting cylinder 54. The manhole cover 56 is provided at the upper end of the inner side of the connecting groove 51, and multiple drainage holes 57 are opened at the upper end of the manhole cover 56. The limiting cylinder 54 is used to install the filter cover 55. Water flows into the interior of the connecting groove 51 through the drainage holes 57 above the manhole cover 56, and the filter cover 55 filters the water flow to prevent pipe blockage.

[0035] It also includes a protective sleeve 6, which is fixedly connected to the upper outer side of the manhole body 1. The protective sleeve 6 provides protection during the installation of the manhole body 1, preventing damage to the manhole body 1 during construction.

[0036] The working principle of the pipeline inspection well sealing device provided by this utility model is as follows: The inner sleeve 31 is fixed by bolts, the silicone sealing gasket 32 ​​fills the gap between the connecting block 2 and the inner sleeve 31, and the rubber sealing ring 33 provides a secondary seal at the outer connection between the connecting block 2 and the inner sleeve 31. The surface design of the connecting block 2 facilitates the connection between the pipeline and the inspection well body 1. The rough inner surface of the connecting block 2, with the addition of the inner sleeve 31, significantly improves the sealing effect between the pipeline and the inner sleeve 31. The annular fixing plate 37 is fixed to the connecting block 2 by bolts, the rubber sealing ring 36 seals the connection, and the epoxy resin sealant 35 further enhances the connection and sealing performance between the inner sleeve 31 and the outer pipeline 34. The rubber sealing ring 36 provides a secondary seal to ensure the reliability of the seal at the connection. The insulating protective cover 41 is bolted to the outside of the connecting block 2, and its inner side is tightly fitted with the rubber sealing ring 36 and the annular fixing plate 37. When leakage occurs, the water flows through the metal protective mesh 42 and is absorbed by the insulating sponge 43. If leakage continues, the water absorbed by the insulating sponge 43 will cause the conductive ring 44 to connect with the metal protective mesh 42, triggering the signal transmitter 45 to send a wireless alarm signal to the outside. At the same time, the insulating protective cover 41 can also provide a certain sealing effect in the event of leakage. The sealing rubber sleeve 52 ensures the sealing between the connecting groove 51 and the inspection well body 1. The one-way valve inside the connecting pipe 53 prevents water inside the inspection well body 1 from flowing back into the connecting groove 51. The limiting cylinder 54 is used to install the filter cover 55. Water flows into the connecting groove 51 through the water leakage hole 57 above the well cover 56. The filter cover 55 filters the water flow to prevent pipe blockage. The protective cylinder 6 provides protection when installing the inspection well body 1 to avoid damage to the inspection well body 1 during construction.

[0037] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A pipe inspection chamber sealing apparatus characterised in that: It includes the manhole body (1), the pipeline sealing unit (3), the water leakage detection and alarm unit (4), and the manhole cover unit (5); Inspection well body (1): A connecting block (2) is provided on the lower inner side; Pipe sealing unit (3): includes an inner sleeve (31), a silicone sealing gasket (32) and a rubber sealing ring (33). The silicone sealing gasket (32) is fixedly connected to the outer side of the inner sleeve (31). The silicone sealing gasket (32) is sleeved on the inner side of the connecting block (2). A rubber sealing ring (33) is provided between the connecting block (2) and the outer side of the inner sleeve (31). The inner sleeve (31) and the connecting block (2) are fixedly connected by bolts. Leakage detection alarm unit (4): installed on the pipe sealing unit (3); Manhole cover unit (5): Installed on the manhole body (1).

2. A utility access hole sealing device according to claim 1, wherein: The pipe sealing unit (3) also includes an outer pipe (34), epoxy resin sealant (35), rubber sealing ring II (36) and an annular fixing plate (37). The top end of the outer pipe (34) is thinner than the outer end. The top end of the outer pipe (34) is sleeved inside the inner sleeve (31). Epoxy resin sealant (35) is provided between the inner sleeve (31) and the epoxy resin sealant (35). Rubber sealing ring II (36) is provided between the annular fixing plate (37) and the outer side of the connecting block (2). Rubber sealing ring II (36) and the connecting block (2) are fixedly connected by bolts.

3. A utility access hole sealing device according to claim 2, wherein: The water leakage detection alarm unit (4) includes an insulating protective cover (41), a metal protective mesh (42), an insulating sponge (43), a conductive ring (44), and a signal transmitter (45). The conductive ring (44) is fixedly connected to the inner side of the insulating protective cover (41), the insulating sponge (43) is fixedly connected to the inner side of the conductive ring (44), the metal protective mesh (42) is fixedly connected to the inner side of the insulating sponge (43), and the signal transmitter (45) is fixedly connected to the outer side of the insulating protective cover (41). The cathode of the signal transmitter (45) passes through the insulating protective cover (41) and is fixedly connected to the insulating sponge (43). The anode of the signal transmitter (45) passes through the insulating protective cover (41), the conductive ring (44), and the insulating sponge (43) and is fixedly connected to the metal protective mesh (42). The insulating protective cover (41) is sleeved on the outer side of the outer pipe (34), the rubber sealing ring II (36), and the annular fixing plate (37). The insulating protective cover (41) is fixed to the connecting block (2) by bolts.

4. A utility access hole sealing device according to claim 1, wherein: The manhole cover unit (5) includes a connecting groove (51), a sealing rubber sleeve (52), and a connecting pipe (53). The lower outer end of the connecting groove (51) is fixedly connected to the sealing rubber sleeve (52). The connecting groove (51) is sleeved on the upper inner side of the manhole body (1). The lower inner end of the connecting groove (51) is fixedly connected to the connecting pipe (53). A one-way valve is provided inside the connecting pipe (53).

5. A utility access hole sealing device according to claim 4, wherein: The manhole cover unit (5) also includes a limiting cylinder (54), a filter cover (55), a manhole cover (56), and a water leakage hole (57). The limiting cylinder (54) is fixedly connected to the inner side of the connecting groove (51), and the filter cover (55) is slidably connected to the inner side of the limiting cylinder (54). The manhole cover (56) is provided at the upper end of the inner side of the connecting groove (51), and multiple water leakage holes (57) are opened at the upper end of the manhole cover (56).

6. A utility access hole sealing device according to claim 1, wherein: It also includes a protective cylinder (6), which is fixedly connected to the upper outer side of the inspection well body (1).

Images