Pipe and inspection well connecting structure

Abstract

The utility model relates to the field of pipe connecting engineering, in particular to a pipe and inspection well connecting structure. Comprising a connecting pipe fitting used for being installed in an inspection well and a pipe in butt joint with the connecting pipe fitting. The pipe comprises a pipe body and a socket end fixedly arranged at one end of the pipe body, and the connecting pipe fitting comprises a spigot end and a horn mouth arranged at the end of the spigot end. The horn mouth is located in the inspection well, the spigot end is located outside the inspection well, and the socket end can be connected with the spigot end; an anti-falling groove is formed in the inner wall of the socket end, an anti-falling part is fixedly arranged on the spigot end, and the anti-falling part is used for entering the anti-falling groove to be clamped with the anti-falling groove. According to the pipe and inspection well connecting structure, a cable can conveniently penetrate through the connecting structure.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of pipe connection engineering, in particular to a pipe and inspection well connection structure. BACKGROUND

[0002] The description in this section is only provided to relate to the background of the present disclosure and does not constitute prior art. In the related art, the pipe is usually directly built into the inspection well. Since the length of the pipe is relatively long, it is difficult to build bricks. Moreover, the cable is inconvenient to pass through and is prone to deviation during threading. SUMMARY

[0003] Therefore, the present application provides a pipe and inspection well connection structure to facilitate cable threading.

[0004] To achieve the above purpose, the present application realizes the following technical scheme:

[0005] A pipe and inspection well connection structure, characterized in that: comprising a connecting pipe fitting for installation in an inspection well, and a pipe opposite to the connecting pipe fitting; the pipe comprises a pipe body and a socket end fixedly arranged at one end of the pipe body, and the connecting pipe fitting comprises a socket end and a flared mouth arranged at the end of the socket end; the flared mouth is located in the inspection well, and the socket end is located outside the inspection well, and the socket end can receive the socket end; an anti-disengagement groove is arranged on the inner wall of the socket end, and an anti-disengagement part is fixedly arranged on the socket end, and the anti-disengagement part is used to enter the anti-disengagement groove to form a clamping connection with the anti-disengagement groove.

[0006] The pipe and inspection well connection structure of the present application is installed in the inspection well through a separate connecting pipe fitting, which is simple to install. Moreover, the socket end of the connecting pipe fitting is provided with a flared mouth to guide the cable threading and reduce the deviation of the cable threading. In addition, the pipe and the connecting pipe fitting can form a clamping structure, and the stability of the connection between the two is good and they are not easy to disengage.

[0007] In some embodiments, the anti-disengagement part is a folded blade integrally formed on the socket end and having elasticity, and when the socket end is inserted into the socket end, the folded blade enters the anti-disengagement groove in a radially folded and contracted manner, and then the folded blade automatically resets into the anti-disengagement groove to form a clamping connection. The folded blade can automatically fold after being pressed, so that the folded blade is used for clamping, which is simple to install.

[0008] In some embodiments, a plurality of folded blades are distributed on the socket end in a circumferential direction, and the folded blades are formed by cutting an outer edge groove on the body of the socket end and then bending outward. The folded blade in this form is more convenient to manufacture and form.

[0009] In some embodiments, the connecting structure further comprises a sealing ring, the spigot end is further provided with an annular wave crest for clamping the sealing ring, and the socket end is further provided with a sealing connecting section matched with the sealing ring. The sealing ring is mainly arranged to ensure the sealing between the pipes. Dust or water outside is prevented from entering the pipe.

[0010] In some embodiments, the pipe body is a corrugated pipe. The pipe material and the connecting pipe are preferably made of PP or PVC material.

[0011] From the above technical solution, the present application has at least the following advantages and positive effects:

[0012] The pipe and inspection well connecting structure of the present application is installed in the inspection well through the independent connecting pipe, which is simple to install. The spigot end of the connecting pipe is provided with a flared mouth to guide the cable installation and reduce the deviation of the cable installation. The pipe and the connecting pipe can form a clamping structure, and the stability of the connection between the two is good and they are not easy to separate. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is an exploded view of the first embodiment of the present application;

[0014] Figure 2 is a connection schematic diagram of the first embodiment of the present application;

[0015] Figure 3 is a structure schematic diagram of the connecting pipe in the second embodiment of the present application;

[0016] Figure 4 is a connection schematic diagram of the third embodiment of the present application.

[0017] Reference signs: 1, pipe; 11, pipe body; 12, socket end; 121, anti-separation groove; 122, sealing connecting section; 2, connecting pipe; 21, spigot end; 22, flared mouth; 23, folding blade; 24, outer edge groove; 25, annular wave crest; 3, sealing ring; 4, inspection well; 5, cable; DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the present application clearer, the present application will be further described in detail below with reference to the drawings. The terms used in the embodiment part of the present application are only used to explain the specific embodiments of the present application, and are not intended to limit the present application.

[0019] Reference Figures 1 to 2The pipe and inspection well connecting structure provided by the embodiments of the present application comprises a connecting pipe fitting 2 installed in the inspection well 4 and a pipe 1 opposite to the connecting pipe fitting 2; the pipe 1 comprises a pipe body 11 and a socket end 12 fixedly arranged at one end of the pipe body 11, and the connecting pipe fitting 2 comprises a socket end 21 and a flared end 22 arranged at the end of the socket end 21; the flared end 22 is located in the inspection well 4, the socket end 21 is located outside the inspection well 4, and the socket end 21 can be received by the socket end 12; an anti-disengagement groove 121 is arranged on the inner wall of the socket end 12, and an anti-disengagement part is fixedly arranged on the socket end 21, and the anti-disengagement part is used to enter the anti-disengagement groove 121 to form a clamping connection with the anti-disengagement groove 121.

[0020] The pipe and inspection well connecting structure is installed in the inspection well 4 through the independent connecting pipe fitting 2, so that the installation is relatively simple. In addition, the socket end 21 of the connecting pipe fitting 2 is provided with the flared end 22, which can guide the cable 5 to pass through and reduce the deviation of the cable 5. In addition, the pipe 1 and the connecting pipe fitting 2 can form a clamping structure, and the stability of the connection between the two is good and they are not easy to disengage.

[0021] The anti-disengagement part is a folded blade 23 integrally formed on the socket end 21 and having elasticity, and when the socket end 12 is inserted into the socket end 21, the folded blade 23 enters the anti-disengagement groove 121 in a radially folded and contracted manner, and then the folded blade 23 is automatically reset into the anti-disengagement groove 121 to form a clamping connection. The folded blade 23 can be automatically folded after being pressed, so that the folded blade 23 is used for clamping, and the installation is simple.

[0022] The pipe body 11 is a corrugated pipe. The pipe 1 and the connecting pipe fitting 2 are made of plastic material, preferably PP or PVC material.

[0023] Figure 3 Another embodiment of the present application is shown, in which the forming structure of the folded blade 23 is changed, and a plurality of folded blades 23 are distributed on the socket end 21 in a circumferential direction, and the folded blade 23 is formed by cutting an outer edge groove 24 on the socket end 21 and then bending outward.

[0024] Figure 4 Another embodiment of the present application is shown, in which a sealing ring 3 is added, an annular wave crest 25 for clamping the sealing ring 3 is arranged on the socket end 21, and a sealing connection section 122 for cooperating with the sealing ring 3 to seal is arranged on the socket end 12. The sealing ring 3 is arranged to mainly ensure the sealing between the pipes. Dust or water outside is prevented from entering the pipe.

[0025] The working process and use method of the pipe and inspection well connecting structure of the above-mentioned embodiment are briefly described as follows:

[0026] First, the inspection well 4 is built with bricks, the connecting pipe 2 is buried in the inspection well 4, the trumpet mouth 22 is located inside the inspection well 4, the socket end 21 is located outside, the socket end 12 of the pipe 1 is inserted into the socket end 21, and the folded blade 23 is clamped with the socket end 12. The installation is completed.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not limited thereto. Although the embodiments of the present application have been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or make equivalent substitutions for part or all of the technical features. The modification or substitution does not change the essence of the corresponding technical solution beyond the scope of the technical solutions of the embodiments of the present application.

Claims

1. A pipe-to-manhole connection structure, characterized in that: The system includes connecting fittings for installation in inspection wells, and pipes that are connected to the connecting fittings. The pipes include a pipe body and a socket end fixedly disposed at one end of the pipe body. The connecting fittings include a spigot end and a flared end disposed at the end of the spigot end. The flared end is located inside the inspection well, and the spigot end is located outside the inspection well. The socket end can receive the spigot end. The inner wall of the socket end is provided with an anti-detachment groove, and an anti-detachment part is fixedly disposed on the spigot end. The anti-detachment part is used to enter the anti-detachment groove and form a snap-fit ​​with the anti-detachment groove.

2. The pipe-to-manhole connection structure according to claim 1, characterized in that: The anti-detachment part is an integrally formed folding blade on the insertion end. When the socket end is inserted into the insertion end, the folding blade enters the anti-detachment groove in a radially folding and shrinking manner. Subsequently, the folding blade automatically resets and enters the anti-detachment groove to form a snap-fit.

3. The pipe-to-manhole connection structure according to claim 1, characterized in that: Multiple folded blades are spaced apart along the circumference on the socket end. The folded blades are formed by cutting an outer groove from the body on the socket end and bending it outward.

4. The pipe-manhole connection structure according to claim 1, characterized in that: The connection structure also includes a sealing ring, and the socket end is provided with an annular wave crest for mounting the sealing ring, and the socket end is provided with a sealing connection section that cooperates with the sealing ring for sealing.

5. The pipe-to-manhole connection structure according to claim 1, characterized in that: The pipe body is a corrugated pipe.

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