CN213979046U - Inspection well assembly - Google Patents
Inspection well assembly Download PDFInfo
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- CN213979046U CN213979046U CN202022547307.7U CN202022547307U CN213979046U CN 213979046 U CN213979046 U CN 213979046U CN 202022547307 U CN202022547307 U CN 202022547307U CN 213979046 U CN213979046 U CN 213979046U
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Abstract
An inspection well assembly comprises an inspection well and a pipeline, wherein a socket used for connecting the pipeline is arranged on the inspection well, the socket is in a straight-through shape, a water stopping connecting sleeve is arranged at the socket and comprises a sleeve portion and a spigot portion connected to one end of the sleeve portion, the sleeve portion is attached to the inner wall of the socket, the spigot portion is arranged at one end, facing the outside of a well chamber of the inspection well, of the sleeve portion, the spigot portion abuts against the outer surface of the inspection well and is used for limiting the water stopping connecting sleeve, and one end of the pipeline is arranged in an inner hole of the water stopping connecting sleeve. The inspection well manufacturing process can be simplified, the inspection well prefabricating efficiency is improved, the manufacturing cost of the inspection well is reduced, the installation and construction between the inspection well and the pipeline can be simple, convenient and quick, the inspection well pipeline construction efficiency is effectively improved, and the water stop sealing effect can be effectively guaranteed.
Description
Technical Field
The utility model relates to a manufacturing and installation technical field of inspection shaft especially relate to an inspection shaft subassembly.
Background
The inspection well is an important component of the infrastructure of underground pipelines (water supply, drainage, power supply, communication, gas supply, heating power, street lamp lines, etc.), and is usually disposed at a pipeline intersection or a turning place, so that workers can perform routine maintenance and repair on the infrastructure of the underground pipelines through the inspection well to ensure the normal use of the infrastructure of the underground pipelines.
According to different manufacturing materials and manufacturing processes of inspection wells, the inspection wells are mainly divided into clay brick built wells, building block combined wells, plastic wells, concrete cast-in-place inspection wells, fabricated concrete inspection wells and the like, wherein the fabricated concrete inspection wells are increasingly used in underground pipeline construction due to various advantages of high compressive strength, good durability, low requirements on field installation environmental conditions and the like.
The existing fabricated concrete inspection well is usually connected with a pipeline in a socket joint manner through a bell mouth arranged on the inspection well, and mortar is filled between the pipeline and the bell mouth for sealing and stopping water; in the installation and connection mode, because the gap between the reserved bellmouth on the inspection well and the pipeline socket is not uniform, the filled mortar is difficult to ensure uniform distribution, and in addition, the mortar quality is difficult to control, the process is complicated and other factors, and the water stop effect is difficult to ensure; in addition, in the connecting structure, the mortar is solidified to cause small flexible rotation angle between the pipeline and the socket, and if the inspection well or the pipeline foundation is settled, the filled mortar is easy to crack, thereby causing the problems of leakage and the like.
In order to solve the above problems, there is a structure in the prior art that a circular sealing ring is sleeved on a pipeline and then flexibly connected with a socket. However, the requirement of the connection structure in the prior art on the manufacture of the prefabricated concrete inspection well is extremely strict: the mouth shape of the bell mouth 101' on the inspection well needs to be manufactured into a stepped counter bore (as shown in figure 1), an embedded part of a corresponding mouth shape needs to be installed in an inspection well manufacturing die when the stepped counter bore is prefabricated, and the manufacturing cost is relatively high due to the complex shape of the embedded part; in addition, if the inspection well needs to reserve a plurality of sockets (for example, the inspection well in fig. 8 has two sockets 101 and 102, and some inspection wells may need three or more sockets), when a plurality of embedded parts need to be installed in the manufacturing of the inspection well, the installation relative positions of the plurality of embedded parts must be strictly controlled, otherwise, the socket positions are deviated, and finally, the pipeline needing to be connected cannot be normally installed; in addition, the connecting structure has strict requirements on the gap between the socket and the pipeline, and any error of the socket shape in the prefabrication process of the inspection well can influence the installation and the use of the inspection well and the pipeline, so that a series of problems of difficult installation, sealing, water leakage and the like are caused. In a word, the flexible connection structure in the prior art causes complex manufacturing process of the inspection well, low production efficiency and relatively increased cost; meanwhile, the installation and construction difficulty between the inspection well and the pipeline is increased, and the connection sealing effect between the inspection well and the pipeline is difficult to ensure.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an inspection well subassembly.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: an inspection well assembly comprises an inspection well and a pipeline, wherein a socket used for connecting the pipeline is arranged on the inspection well, the socket is in a straight-through shape, a water stopping connecting sleeve is arranged at the socket and comprises a sleeve portion and a stopping portion connected to one end of the sleeve portion, the sleeve portion is attached to the inner wall of the socket, the stopping portion is arranged at one end, facing the outside of a well chamber of the inspection well, of the sleeve portion, the stopping portion abuts against the outer surface of the inspection well and is used for limiting the water stopping connecting sleeve, and one end of the pipeline is arranged in an inner hole of the water stopping connecting sleeve.
Further, the outer contour shape and the depth of the sleeve part are matched with the shape and the depth of the socket.
Furthermore, the spigot part and the sleeve part are of an integrally manufactured structure, and the spigot part is attached to the surface of the inspection well, which is positioned on the periphery of the socket.
As an optional implementation manner, an annular protrusion with a wedge-shaped or tooth-shaped cross section is arranged on the inner hole wall of the water stopping connecting sleeve, the annular protrusion inclines towards the central line direction of the water stopping connecting sleeve from outside to inside along the insertion direction of the pipeline, and an arc-shaped groove is arranged at the connection position of one side of the annular protrusion facing the inspection well chamber and the inner hole wall of the water stopping connecting sleeve.
Further, one end of the pipeline inserted into the inner hole of the water-stopping connecting sleeve is provided with an outer chamfer or at least one step.
In another specific implementation mode, the inner hole of the water stop connecting sleeve is in a straight cylinder shape or in a step shape.
Furthermore, the water-stopping connecting sleeve is made of water-swelling rubber, and sealant is coated between the water-stopping connecting sleeve and the inner wall of the socket or/and between the water-stopping connecting sleeve and the outer surface of the inspection well.
Further, the compression ratio of the water-swellable rubber is 25-75%.
Furthermore, the water stopping connecting sleeve is made of flexible rubber.
Has the advantages that:
according to the utility model discloses, install the stagnant water adapter sleeve additional between the bellmouth of inspection shaft and pipeline, this stagnant water adapter sleeve adopts flexible rubber to make, thereby the bellmouth type of inspection shaft can directly make into the straight section of thick bamboo type, and relative position and the aperture form to the inspection shaft bellmouth do not have strict size requirement, the preparation technology of inspection shaft not only can be simplified, improve the prefabricated efficiency of inspection shaft, reduce the cost of manufacture of inspection shaft, also can make the installation construction between inspection shaft and the pipeline simple and convenient swift, inspection shaft pipeline efficiency of construction can effectively be improved, and the cooperation forms flexonics between the bellmouth of inspection shaft and the socket of pipeline, in the later stage use, if the basis appears subsiding, the junction of inspection shaft and pipeline can have great flexible corner, therefore still can guarantee to have better stagnant water sealed effect.
The present invention will be described in further detail with reference to the drawings and specific examples.
Drawings
Fig. 1 is a schematic diagram of a manhole structure in the prior art (in the figure, a socket 101' is a counter bore).
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a view a-a of fig. 2.
Fig. 4 is a schematic view of fig. 3 with the pipe 3 removed.
Fig. 5 is a partial enlarged view of the first embodiment at I in fig. 4.
Fig. 6 is a partial enlarged view of the second embodiment at I in fig. 4.
Fig. 7 is a partial enlarged view of the third embodiment at I in fig. 4.
Fig. 8 is a schematic view of the installation process of the present invention.
In the figure, 1, an inspection well, 101, a socket, 2, a water stop connecting sleeve, 201, a sleeve part, 201a, a wedge-shaped annular bulge, 201 a', a tooth-shaped annular bulge, 201b, an arc-shaped groove, 201c, a step, 202, a stop part, 3, a pipeline, 4 and an inspection well chamber.
Detailed Description
As shown in fig. 2 to 4, an inspection well assembly comprises an inspection well 1 and a pipeline 3, wherein a socket 101 for connecting the pipeline 3 is arranged on the inspection well, the socket 101 is straight, a water stop connection sleeve 2 is arranged at the socket 101, the water stop connection sleeve 2 comprises a sleeve portion 201 and a stop portion 202 connected to one end of the sleeve portion 201, the sleeve portion 201 is attached to the inner wall of the socket 101, the stop portion 202 is arranged at one end of the sleeve portion 201 facing the outside of an inspection well chamber 4, the stop portion 202 abuts against the outer surface of the inspection well 1 to limit the water stop connection sleeve 2, and one end of the pipeline 3 is arranged in an inner hole of the water stop connection sleeve 2.
In order to ensure a better sealing effect between the pipe 3 and the water-stopping connecting sleeve 2, the outer contour shape and depth of the sleeve portion 201 are preferably consistent with those of the socket so as to match the installation.
The water stop connecting sleeve 2 can be made of any flexible material such as a flexible plastic stool, and is preferably made of flexible rubber integrally, that is, the spigot portion 202 and the sleeve portion 201 are integrally made into an interconnected structure, and the spigot portion 202 is attached to the surface of the inspection well 1 on the periphery of the spigot.
The inner hole of the water-stopping connecting sleeve 2 can be a straight cylinder type to match with pipelines of various socket forms (such as a flat mouth type, a chamfer type at the outer end or a rabbet type with a step).
In the first embodiment shown in fig. 5, an annular protrusion 201a with a wedge-shaped cross section is provided on the inner hole wall of the water stop connecting sleeve 2, the wedge-shaped annular protrusion 201a is inclined toward the center line direction of the water stop connecting sleeve from outside to inside along the insertion direction of the pipeline 3 (the term "inside" refers to the inside of the manhole chamber, "outside" refers to the outside of the manhole chamber), and an arc-shaped groove 201b is provided at the connection between one side of the wedge-shaped annular protrusion 201a facing the manhole chamber 4 and the inner hole wall of the water stop connecting sleeve.
In a second embodiment shown in fig. 6, an annular protrusion 201a ' with a tooth-shaped cross section is provided on the inner hole wall of the water stopping connection sleeve 2, the tooth-shaped annular protrusion 201a ' is inclined from outside to inside along the insertion direction of the pipeline 3 toward the central line direction of the water stopping connection sleeve, and an arc-shaped groove 201b is provided at the connection between one side of the tooth-shaped annular protrusion 201a ' facing the inspection well chamber 4 and the inner hole wall of the water stopping connection sleeve.
In the two embodiments shown above, the water stop connecting sleeve 2 can be assembled with the pipes 3 in various socket forms, and preferably, one end of the pipe 3 inserted into the inner hole of the water stop connecting sleeve 2 has an outer chamfer or at least one step, so that the pipe 3 can be inserted into the inner hole of the water stop connecting sleeve 2 more smoothly.
In the third embodiment shown in fig. 7, the inner hole of the water-stopping connecting sleeve is straight-tube-shaped or stepped (shown as a step with two steps 201 c), in this structure, the water-stopping connecting sleeve can be made of water-swelling rubber in flexible rubber, and the compression ratio of the water-swelling rubber is preferably between 25% and 75%, in this connecting structure, in order to achieve more effective water-stopping sealing effect, sealant can be applied between the water-stopping connecting sleeve 2 and the inner wall of the socket 101 or/and between the water-stopping connecting sleeve 2 and the outer surface of the inspection well 1.
Fig. 8 shows the installation process of the present invention, i.e. installing the water stop connection sleeve 2 into the socket 101 of the inspection well 1, and then installing the socket section of the pipeline 3 into the inner hole of the water stop connection sleeve 2.
The arrangement of the water stopping part 202 can ensure that the water stopping connecting sleeve cannot move in the process of inserting the pipeline 3. In the embodiment shown in fig. 5 and 6, the annular protrusion is pressed toward the corresponding arc groove 201b in the process of inserting the pipe 3, so that the water-stopping sealing effect of the present invention can be further enhanced.
It should be noted that the above embodiments are only used for illustrating the present invention, but the present invention is not limited to the above embodiments, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention all fall into the protection scope of the present invention.
Claims (9)
1. An inspection well assembly, includes inspection well (1) and pipeline (3), is provided with the bellmouth that is used for connecting the pipeline on the inspection well, its characterized in that: the socket is straight, a water-stopping connecting sleeve (2) is arranged at the socket and comprises a sleeve portion (201) and a stopping portion (202) connected to one end of the sleeve portion, the sleeve portion (201) is attached to the inner wall of the socket, the stopping portion (202) is arranged at one end, facing the outside of a manhole chamber, of the sleeve portion (201), the stopping portion (202) abuts against the outer surface of the manhole (1) and is used for limiting the water-stopping connecting sleeve, and one end of a pipeline (3) is arranged in an inner hole of the water-stopping connecting sleeve.
2. An inspection well assembly according to claim 1, wherein: the outer contour shape and the depth of the sleeve part (201) are matched with the shape and the depth of the socket.
3. An inspection well assembly according to claim 1, wherein: the spigot part (202) and the sleeve part are integrally formed, and the spigot part (202) is attached to the surface of the inspection well, which is positioned on the periphery of the socket.
4. An inspection well assembly according to claim 1, wherein: the water stopping connecting sleeve is characterized in that an annular bulge with a wedge-shaped or tooth-shaped cross section is arranged on the inner hole wall of the water stopping connecting sleeve, the annular bulge inclines towards the central line direction of the water stopping connecting sleeve from outside to inside along the insertion direction of the pipeline, and an arc-shaped groove is formed in the joint of one side of the annular bulge facing the inspection well chamber and the inner hole wall of the water stopping connecting sleeve.
5. An inspection well assembly according to claim 4, wherein: one end of the pipeline inserted into the inner hole of the water-stop connecting sleeve is provided with an outer chamfer or at least one step.
6. An inspection well assembly according to claim 1, wherein: the inner hole of the water stop connecting sleeve is in a straight cylinder shape or a step shape.
7. An inspection well assembly according to claim 6, wherein: the water-stopping connecting sleeve is made of water-swelling rubber, and sealant is coated between the water-stopping connecting sleeve and the inner wall of the socket or/and between the water-stopping connecting sleeve and the outer surface of the inspection well.
8. An inspection well assembly according to claim 7, wherein: the compression ratio of the water-swellable rubber is 25-75%.
9. An inspection well assembly according to any of claims 1 to 6, wherein: the water stopping connecting sleeve is made of flexible rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022547307.7U CN213979046U (en) | 2020-11-06 | 2020-11-06 | Inspection well assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022547307.7U CN213979046U (en) | 2020-11-06 | 2020-11-06 | Inspection well assembly |
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| Publication Number | Publication Date |
|---|---|
| CN213979046U true CN213979046U (en) | 2021-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022547307.7U Active CN213979046U (en) | 2020-11-06 | 2020-11-06 | Inspection well assembly |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113818539A (en) * | 2021-09-13 | 2021-12-21 | 中国一冶集团有限公司 | Inspection well interface device |
| CN115030225A (en) * | 2022-07-22 | 2022-09-09 | 康泰塑胶科技集团有限公司 | Prefabricated sealing assembly concrete inspection well, pipeline connecting system and construction method |
-
2020
- 2020-11-06 CN CN202022547307.7U patent/CN213979046U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113818539A (en) * | 2021-09-13 | 2021-12-21 | 中国一冶集团有限公司 | Inspection well interface device |
| CN115030225A (en) * | 2022-07-22 | 2022-09-09 | 康泰塑胶科技集团有限公司 | Prefabricated sealing assembly concrete inspection well, pipeline connecting system and construction method |
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