CN217053673U - Connecting structure for plastic pipeline and concrete prefabricated inspection well - Google Patents

Abstract

The utility model relates to a connection structure for prefabricated inspection shaft of plastic conduit and concrete, including sealing washer and template, the sealing washer cover is established on the outer wall that is close to prefabricated inspection shaft one end on the plastic tubing, and the reservation hole department of setting on the inside and outside wall of prefabricated inspection shaft can be dismantled respectively to the template, and the position department that is located on the template on the prefabricated inspection shaft inner wall and is corresponding to the outer wall of plastic tubing and reserves between the hole inner wall is provided with the grout hole that is used for the grout. Set up the template through reservation hole department on the inside and outside wall at prefabricated inspection shaft, and set up the grout hole in the template, like this can be more convenient with the outer wall of plastic tubing with reserve the clearance between the hole inner wall fill concrete and concrete shaping, realize the intercommunication of plastic tubing and prefabricated inspection shaft, and the sealing washer on the cooperation plastic tubing outer wall can play better sealed effect, be difficult for the seepage, and template formwork is convenient, grouting equipment directly pours into the concrete into, high efficiency, time saving and labor saving, moreover, the steam generator is simple in structure, and convenient for construction.

Description

A connection structure for plastic pipes and concrete prefabricated inspection wells

technical field

The utility model relates to the technical field of municipal facilities, in particular to a connection structure for a plastic pipe and a concrete prefabricated inspection well.

Background technique

The inspection well is set up for the maintenance of power supply, water supply, drainage, sewage, communication, cable television, gas pipe, street light circuit, etc. of urban underground infrastructure, and is easy to install. It is generally located at the intersection of pipelines, turns, changes in pipe diameter or slope, and at certain distances on straight pipe sections, which is convenient for regular inspection of auxiliary structures. In order to facilitate construction, inspection wells are usually prefabricated from concrete at the factory, and then transported to the construction site for construction. In order to realize the interconnection between pipelines, it is necessary to reserve pipeline holes when prefabricating inspection wells, and the reserved pipeline holes are usually relatively large, so as to connect with other pipelines of different specifications, which leads to problems when connecting pipelines at the construction site. The following problems: 1. The gap between the pipeline and the reserved holes in the inspection well is too large, which is difficult to plug, time-consuming and labor-intensive; 2. The conventional connection method is to use cement mortar for plugging, and after forming, it is easy to crack and leak.

SUMMARY OF THE INVENTION

The technical problem to be solved by the utility model is to provide a connection structure for a plastic pipe and a concrete prefabricated inspection well, aiming at the above-mentioned deficiencies of the prior art.

The technical solution of the present invention to solve the above technical problems is as follows: a connection structure for plastic pipes and concrete prefabricated inspection wells, comprising a sealing ring matched with the plastic pipe and a template matched with the plastic pipe, the sealing The snare is arranged on the outer wall of the plastic pipe close to one end of the prefabricated inspection well, the template is detachably arranged at the reserved holes on the inner and outer walls of the prefabricated inspection well, and is located on the inner wall of the prefabricated inspection well. A grouting hole for grouting is provided on the template at a position corresponding to the position between the outer wall of the plastic pipe and the inner wall of the reserved hole.

The beneficial effects of the present utility model are as follows: the connecting structure of the present utility model used for plastic pipes and concrete prefabricated inspection wells, by arranging the template at the reserved holes on the inner and outer walls of the prefabricated inspection well, and placing the template on the template A grouting hole is provided, so that the gap between the outer wall of the plastic pipe and the inner wall of the reserved hole can be easily filled with concrete and formed by concrete, so as to realize the communication between the plastic pipe and the prefabricated inspection well, and cooperate with the plastic pipe The sealing ring on the outer wall can have a good sealing effect and is not easy to leak, and the formwork is convenient to support, and the grouting equipment can directly inject concrete, which has high efficiency, saves time and effort, has a simple structure and is convenient for construction.

On the basis of the above-mentioned technical scheme, the utility model can also be improved as follows:

Further: the sealing ring is a water-stop rubber ring made of elastic material.

The beneficial effect of the above-mentioned further solution is: by setting the water-stop rubber ring, a better sealing effect can be formed between the concrete formed after grouting and the outer wall of the plastic pipe, preventing water seepage and causing accelerated corrosion.

Further: an annular groove matching the sealing ring is arranged on the outer wall of the plastic pipe near one end of the prefabricated inspection well, and the sealing ring is arranged around the annular groove.

The beneficial effect of the above-mentioned further solution is: by arranging an annular groove matching with the sealing ring on the outer wall of the plastic pipe, the installation of the sealing ring can be more convenient, and the sealing ring can make the sealing ring more convenient. The sealing effect between the concrete formed after the grouting and the outer wall of the plastic pipe is better.

Further: the template includes an inner template and an outer template, and the inner template and the outer template are respectively provided with through holes communicating with the plastic pipe.

The beneficial effect of the above-mentioned further scheme is: by setting the inner formwork and the outer formwork, the outer wall of the plastic pipe and the inner wall of the reserved hole on the prefabricated inspection well can be combined to form a relatively closed space for pouring concrete, which is convenient for concrete. The inner and outer templates are respectively provided with through holes communicating with the plastic pipes, so that the temporary fixing of the inner and outer templates can be facilitated, and the ends of the plastic pipes will not be disturbed. occluded.

Further: the diameter of the through hole on the inner template is equal to the inner diameter of the plastic pipe, and the diameter of the through hole on the outer template is equal to the outer diameter of the plastic pipe.

The beneficial effect of the above-mentioned further solution is: by setting the diameter of the through hole on the inner template to be equal to the inner diameter of the plastic pipe, the diameter of the through hole on the outer template is set to be equal to the diameter of the plastic pipe The outer diameters are equal to each other, which can facilitate the alignment of the inner formwork and the outer formwork with the plastic pipe along its central axis, so as to ensure that the plastic pipe is accurately fixed in the center of the reserved cavity after pouring concrete. place.

Further: an annular reference support portion is provided on the side of the inner template facing the corresponding through hole, and when the plastic tube extends into the corresponding through hole, the plastic tube is just in line with the reference Support socket.

The beneficial effect of the above-mentioned further solution is that: by setting the reference support portion, it is convenient for the plastic tube to be just sleeved with the reference support portion when the plastic tube extends into the corresponding through hole, which is convenient for When the concrete is formed, the inner formwork and the outer formwork are respectively kept fixed relative to the plastic pipe, so that the plastic pipe is precisely fixed at the center position of the reserved cavity on the prefabricated inspection well.

Further: the reference support portion is integrally formed with the inner template.

The beneficial effect of the above-mentioned further solution is that by integrally forming the reference support portion and the inner template, on the one hand, the stability of the connection between the two can be improved, and on the other hand, the inner template can be accurately and temporarily fixed.

Further: the inner and outer walls of the prefabricated inspection well are respectively provided with tick marks for the template alignment on the upper and lower sides of the reserved hole.

The beneficial effect of the above-mentioned further solution is: by setting the scale line, it is convenient to align the inside and outside of the template as well as up and down, and it is ensured that the through hole and the plastic pipe are arranged on the same center axis.

Description of drawings

FIG. 1 is a schematic structural diagram of a connection structure for a plastic pipe and a concrete prefabricated inspection well according to an embodiment of the present invention.

In the accompanying drawings, the list of components represented by each number is as follows:

1. Plastic pipe, 2. Sealing ring, 3. Formwork, 4. Prefabricated inspection well, 5. Grouting hole, 6. Reference support;

31, inner template, 32, outer template.

Detailed ways

The principles and features of the present invention will be described below with reference to the accompanying drawings, and the examples are only used to explain the present invention, and are not intended to limit the scope of the present invention.

As shown in FIG. 1, a connection structure for plastic pipes and prefabricated concrete inspection wells includes a sealing ring 2 matched with the plastic pipe 1 and a template 3 matched with the plastic pipe 1. The sealing ring 2 Set on the outer wall of the plastic pipe 1 close to one end of the prefabricated inspection well 4, the template 3 is detachably arranged at the reserved holes on the inner and outer walls of the prefabricated inspection well 4, and is located in the prefabricated inspection well 4. A grouting hole 5 for grouting is provided on the template 3 on the inner wall of the well 4 at a position corresponding to the position between the outer wall of the plastic pipe 1 and the inner wall of the reserved hole.

In the connection structure of the present utility model for plastic pipes and concrete prefabricated inspection wells, the template 3 is arranged at the reserved holes on the inner and outer walls of the prefabricated inspection well 4, and the grouting holes 5 are arranged on the template 3, In this way, it is convenient to fill the gap between the outer wall of the plastic pipe 1 and the inner wall of the reserved hole with concrete and form the concrete, so as to realize the communication between the plastic pipe 1 and the prefabricated inspection well 4, and cooperate with the plastic pipe 1 The sealing ring 3 on the outer wall can have a good sealing effect and is not easy to leak, and the template 3 is convenient to form, and the grouting equipment can directly inject concrete, which has high efficiency, saves time and effort, has a simple structure and is convenient for construction.

In one or more embodiments of the present invention, the sealing ring 2 is a water-stop rubber ring made of elastic material. By providing a water-stop rubber ring, a better sealing effect can be formed between the concrete formed after grouting and the outer wall of the plastic pipe 1, so as to prevent water seepage and lead to accelerated corrosion.

Optionally, in one or more embodiments of the present invention, an annular groove matching the sealing ring 2 is provided on the outer wall of the plastic pipe 1 near one end of the prefabricated inspection well 4 , and the sealing ring 2 Surrounded and arranged in the annular groove. By arranging an annular groove matching the sealing ring 2 on the outer wall of the plastic pipe 1, the installation of the sealing ring 2 can be more convenient, and the sealing ring 2 can make the grouting formed after grouting. The sealing effect between the concrete and the outer wall of the plastic pipe 1 is better.

In one or more embodiments of the present invention, the template 3 includes an inner template 31 and an outer template 32 , and the inner template 31 and the outer template 32 are respectively provided with through holes communicating with the plastic pipe 1 . By setting the inner formwork 31 and the outer formwork 32, a relatively closed space for pouring concrete can be formed in cooperation with the outer wall of the plastic pipe 1 and the inner wall of the reserved hole on the prefabricated inspection well 4, which facilitates the pouring of concrete, and The inner template 31 and the outer template 32 are respectively provided with through holes communicating with the plastic pipe 1, so that the temporary fixing of the inner template 31 and the outer template 32 can be facilitated, and the plastic pipe is not affected. The ends of 1 cause occlusion.

Optionally, in one or more embodiments of the present invention, the diameter of the through hole on the inner template 31 is equal to the inner diameter of the plastic pipe 1 , and the diameter of the through hole on the outer template 32 is equal to that of the plastic pipe 1 . The diameter is equal to the outer diameter of the plastic tube 1 . By setting the diameter of the through hole on the inner template 31 to be equal to the inner diameter of the plastic pipe 1 , the diameter of the through hole on the outer template 32 is set to be equal to the outer diameter of the plastic pipe 1 , which can facilitate the alignment of the inner formwork 31 and the outer formwork 32 with the plastic pipe 1 along its central axis, so as to ensure that the plastic pipe 1 is accurately fixed in the center of the reserved cavity after pouring concrete place.

In one or more embodiments of the present invention, the inner template 31 is provided with an annular reference support portion 6 on the side facing the corresponding through hole, and when the plastic tube 1 extends into the corresponding through hole When inside the through hole, the plastic pipe 1 is just sleeved with the reference support part 6 . By setting the reference support portion 6, it is convenient for the plastic pipe 1 to be just sleeved with the reference support portion 6 when the plastic pipe 1 extends into the corresponding through hole, which is convenient for molding the concrete. At this time, the inner template 31 and the outer template 32 are respectively kept fixed relative to the plastic pipe 1 , so that the plastic pipe 1 is accurately fixed at the center of the reserved cavity on the prefabricated inspection well 4 .

Optionally, in one or more embodiments of the present invention, the reference support portion 6 and the inner template 31 are integrally formed. By integrally forming the reference support portion 6 and the inner template 31 , on the one hand, the stability of the connection between the two can be improved, and on the other hand, the inner template 31 can be accurately and temporarily fixed.

Optionally, in one or more embodiments of the present invention, the inner and outer walls of the prefabricated inspection well 4 are respectively provided with tick marks for the alignment of the template 3 on the upper and lower sides of the reserved hole. . By setting the scale line, it is convenient to align the inside and outside of the template 3 as well as up and down, and it is ensured that the through hole and the plastic pipe 1 are arranged on the same center axis.

The connection structure of the utility model for the plastic pipe and the concrete prefabricated inspection well, the implementation process is as follows:

1. Put a sealing ring 2 on one end of the plastic pipe 1, and the sealing ring 2 is aligned with the center of the well wall of the prefabricated inspection well 4;

2. On both sides of the well wall of the prefabricated inspection well 4, a grouting hole 5 with a diameter of 5 cm is opened on the upper and lower sides of the template 3;

3. Inject concrete into the closed space formed by the formwork 3, the inner wall of the reserved hole on the prefabricated inspection well 4 and the outer wall of the plastic pipe 1 through the grouting hole 5 until it is sealed tightly;

4. After the concrete is solidified, the formwork 3 is removed, and the construction is completed.

The utility model is used for the connection structure of the plastic pipe and the concrete prefabricated inspection well. The pipe wall is embedded with a sealing ring 2, which is a flexible seal, and has good sealing effect and is not easy to leak; in addition, the formwork is convenient, and the concrete is injected through the grouting equipment, and the efficiency is high. ,save time and energy.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the present invention. within the scope of protection of the utility model.

Claims (8)

1. A connection structure for a plastic pipe and a concrete prefabricated inspection well, characterized in that: it comprises a sealing ring (2) matched with the plastic pipe (1) and a template (2) matched with the plastic pipe (1). 3), the sealing ring (2) is sleeved on the outer wall of the plastic pipe (1) near one end of the prefabricated inspection well (4), and the template (3) is detachably arranged on the prefabricated inspection well (4). 4) at the reserved holes on the inner and outer walls, and on the template (3) on the inner wall of the prefabricated inspection well (4) corresponding to the outer wall of the plastic pipe (1) and the inner wall of the reserved hole A grouting hole (5) for grouting is provided at the position between them. 2 . The connection structure for plastic pipes and concrete prefabricated inspection wells according to claim 1 , wherein the sealing ring ( 2 ) is a water-stop rubber ring made of elastic material. 3 . 3. The connection structure for plastic pipes and concrete prefabricated inspection wells according to claim 2, characterized in that: the outer wall of the plastic pipe (1) close to one end of the prefabricated inspection well (4) is provided with the sealing ring (2) A matching annular groove, the sealing ring (2) is arranged around the annular groove. 4. The connection structure for plastic pipes and concrete prefabricated inspection wells according to claim 1, wherein the formwork (3) comprises an inner formwork (31) and an outer formwork (32), and the inner formwork ( 31) and the outer template (32) are respectively provided with through holes communicating with the plastic pipe (1). 5. The connection structure for a plastic pipe and a concrete prefabricated inspection well according to claim 4, wherein the diameter of the through hole on the inner formwork (31) is the same as the diameter of the plastic pipe (1). The inner diameter is equal, and the diameter of the through hole on the outer template (32) is equal to the outer diameter of the plastic pipe (1). 6 . The connection structure for plastic pipes and prefabricated concrete inspection wells according to claim 5 , wherein an annular reference support portion is provided on the side of the inner formwork ( 31 ) facing the corresponding through hole. 7 . (6), and when the plastic pipe (1) extends into the corresponding through hole, the plastic pipe (1) is just sleeved with the reference support portion (6). 7. The connection structure for a plastic pipe and a prefabricated concrete inspection well according to claim 6, wherein the reference support portion (6) and the inner formwork (31) are integrally formed. 8. The connection structure for plastic pipes and concrete prefabricated inspection wells according to any one of claims 1-7, characterized in that: the inner and outer walls of the prefabricated inspection wells (4) are located at the edges of the reserved holes. The upper and lower sides are respectively provided with tick marks for the alignment of the template (3).

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