CN219472981U - A municipal drainage pipeline connection structure - Google Patents

Abstract

The utility model discloses a municipal drainage pipeline connecting structure which comprises an assembly ring, a corrugated pipe and connecting pipes respectively and fixedly arranged at two ends of the corrugated pipe, wherein the inner wall of each connecting pipe is provided with an assembly hole matched with a drainage pipeline, the inner wall of each assembly hole is fixedly provided with a sealing ring, the surface of each connecting pipe is provided with a semicircular groove matched with the assembly ring, and one end of each assembly ring is provided with an assembly component which can be assembled with the connecting pipe into a whole. According to the utility model, one end of the cut external municipal pipeline is inserted into the assembly hole, then the clamping ring on the assembly ring is clamped in the clamping groove on the surface of the connecting pipe, and then the assembly ring and the connecting pipe can be assembled into a whole by utilizing the bolts to pass through the mounting hole on the assembly block, and then the locking bolts are screwed down, so that the abutting block can be driven to clamp and fix the external municipal pipeline, and then the cut external municipal pipeline and the connecting pipe can be assembled into a whole, thereby avoiding the problem that the external municipal pipelines cannot be assembled with each other after being cut.

Description

A municipal drainage pipeline connection structure

technical field

The utility model relates to the technical field of pipeline connection structures, in particular to a municipal drainage pipeline connection structure.

Background technique

Chinese patent announcement number CN207316327U discloses a municipal water supply and drainage pipe connection structure, including a connection structure body and a connection pipe. The connection structure body includes a sealing ring, a longitudinal connection pipe and two horizontal connection pipes. On both sides of the longitudinal connecting pipe, sealing rings are installed at the longitudinal connecting pipe, the two horizontal connecting pipes and the ports of the connecting pipe, internal threads are provided on the inner walls of the four sealing rings, external threads are provided on one end of the connecting pipe, and the connecting pipe passes through the inner Threaded and male threaded connections connect pipes transversely.

The above-mentioned device has the characteristics of stable structure and strong corrosion resistance. The added annular support steel ring solves the problem that the underground drainage system will be completely paralyzed that cannot be solved by the general municipal water supply and drainage pipeline connection structure. The addition of an internal and external anti-corrosion system solves the general Municipal drainage pipes are buried directly in the ground and have a short lifespan.

However, this device has the following defects in use: since the municipal pipeline needs to be flexibly cut and assembled according to the length of the pipeline when it is connected, the device is provided with an external thread at one end of the connecting pipe, so when assembling with the connecting pipe , if the connecting pipe is too long, the external thread at one end of the connecting pipe will be cut off when the redundant part of the connecting pipe is cut off, so that it cannot be assembled with the connecting pipe. For this reason, we propose a municipal water supply and drainage pipeline connection structure that can still be connected to the pipeline after the connection pipe is cut off.

Utility model content

The purpose of this utility model is to provide a municipal drainage pipe connection structure to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model adopts the following technical solutions:

A municipal drainage pipeline connection structure, comprising an assembly ring, a corrugated pipe, and connecting pipes fixedly installed at both ends of the corrugated pipe, the inner wall of the connecting pipe is provided with an assembly hole matching the drainage pipe, and the inner wall of the assembly hole is fixedly installed There is a sealing ring, the surface of the connecting pipe is provided with a semi-circular groove matching the assembly ring, and one end of the assembly ring is provided with an assembly component that can be assembled with the connection pipe, and the assembly ring and the end of the connection pipe away from the bellows are fixed Mounted with clamp assembly for securing municipal drains.

Preferably, the assembly assembly is composed of a snap ring and a first sealing ring. There are two snap rings. The matching card slot, the first sealing ring is fixedly installed on the inner wall of the card slot, and the inner ring surface of the snap ring is provided with a sealing groove matching the first sealing ring.

Preferably, a second sealing ring and a third sealing ring are fixedly installed on the inner ring surface of the assembly ring and the connecting pipe respectively, the lower end of the second sealing ring is fixedly installed with a sealing block, and the upper end of the third sealing ring is provided with a sealing ring. Block fits in sealed slots.

Preferably, the clamping assembly is composed of clamping rings and locking bolts, the number of clamping rings is four, and the four clamping rings are fixedly installed on the two assembly rings and one end of the two connecting pipes respectively, and the locking Bolts are threaded on the face of the clamping ring.

Preferably, the threaded end of the locking bolt extends to the inner ring surface of the clamping ring, and is rotatably connected with a blocking block.

Preferably, an assembly block is fixedly installed on the surface of the assembly ring and the connecting pipe, and an installation hole is opened on the surface of the assembly block.

Compared with the prior art, the utility model has the following advantages:

1. The utility model inserts one end of the excised external municipal pipeline into the assembly hole by setting the assembly ring and the connecting pipe, then clamps the clasp on the assembly ring in the slot on the surface of the connecting pipe, and then uses the bolt to pass through The installation hole on the assembly block, so that the assembly ring and the connecting pipe can be assembled as one, and then the locking bolt is tightened, so that the clamping block can be driven to clamp and fix the external municipal pipe, and then the removed external municipal pipe can be connected with The connecting pipes are assembled as a whole, which avoids the problem that the external municipal pipes cannot be assembled with each other after being cut off.

2. The utility model sets the sealing ring, the first sealing ring, the second sealing ring and the third sealing ring. When the external municipal pipeline is inserted into the assembly hole, one end of the external municipal pipeline is in contact with the sealing ring at this time, so as to avoid water ingress. Flow out from the assembly hole, and after the assembly ring and the connecting pipe are assembled as a whole, the sealing block will be inserted into the sealing slot on the third sealing ring, and the second sealing ring and the third sealing ring can be connected with the surface of the external municipal pipe. A sealing surface is formed, and a sealing surface can be formed between the snap ring and the connecting pipe by using the first sealing ring, thereby improving the sealing performance of the device.

Description of drawings

Fig. 1 is the schematic diagram of the three-dimensional structure proposed by the utility model;

Fig. 2 is a schematic diagram of the front section structure of a connecting pipe proposed by the utility model;

Fig. 3 is the schematic diagram of the front section structure of the assembly ring proposed by the utility model;

Fig. 4 is a schematic diagram of the three-dimensional structure of the assembly ring proposed by the utility model;

FIG. 5 is a schematic diagram of the enlarged structure at A in FIG. 1 .

In the figure: 1 assembly ring, 2 bellows, 3 connecting pipe, 4 sealing ring, 5 snap ring, 6 first sealing ring, 7 second sealing ring, 8 third sealing ring, 9 sealing block, 10 clamping ring, 11 locking bolts, 12 pressing blocks, 13 assembly blocks.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

In describing the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation , are constructed and operated in a specific orientation and therefore cannot be construed as limiting the invention.

Referring to Figures 1-5, a municipal drainage pipe connection structure includes an assembly ring 1, a corrugated pipe 2 and connecting pipes 3 fixedly installed at both ends of the corrugated pipe 2, and the corrugated pipe 2 is used as a soft connection, so that the device can be installed Bending plasticity, the inner wall of the connecting pipe 3 is provided with an assembly hole suitable for the drainage pipe, and the inner wall of the assembly hole is fixedly installed with a sealing ring 4 .

When the external municipal pipeline is too long during assembly and the excess part of the external municipal pipeline needs to be cut off, insert one end of the removed external municipal pipeline into the assembly hole, and make one end of the external municipal pipeline in the assembly hole and the sealing ring 4 One end contacts to form a sealing surface, which prevents the water in the municipal pipe from flowing out of the assembly hole.

The surface of the connecting pipe 3 is provided with a semicircular groove suitable for the assembly ring 1, and one end of the assembly ring 1 is provided with an assembly assembly that can be assembled with the connection pipe 3. The assembly assembly consists of a snap ring 5 and a first sealing ring 6 The number of snap rings 5 is two, and the two snap rings 5 are fixedly installed on the opposite surfaces of the two assembly rings 1 respectively. The ring 6 is fixedly installed on the inner wall of the card groove, the inner ring surface of the snap ring 5 is provided with a sealing groove compatible with the first sealing ring 6, the surface of the assembly ring 1 and the connecting pipe 3 are fixedly installed with an assembly block 13, and the assembly Mounting holes are provided on the surface of the block 13 .

After the external municipal pipeline is inserted into the connecting pipe 3, then the snap ring 5 on the assembly ring 1 is clamped in the slot on the surface of the connecting pipe 3, and then the bolt is passed through the mounting hole on the assembly block 13, so that the assembly ring 1 It is assembled with the connecting pipe 3 as a whole.

A second sealing ring 7 and a third sealing ring 8 are fixedly installed on the inner ring surfaces of the assembly ring 1 and the connecting pipe 3 respectively, the lower end of the second sealing ring 7 is fixedly installed with a sealing block 9, and the upper end of the third sealing ring 8 is provided with a A sealing slot compatible with the sealing block 9.

When the assembly ring 1 and the connecting pipe 3 are assembled into one body, the sealing block 9 will be inserted into the sealing slot on the third sealing ring 8, and the second sealing ring 7 and the third sealing ring 8 can be connected with the external municipal pipeline. Form a sealing surface, at the same time, the first sealing ring 6 will snap into the sealing groove of the inner ring surface of the snap ring 5, and the first sealing ring 6 can form a sealing surface between the snap ring 5 and the connecting pipe 3, thereby improving the sealing surface. The tightness of the device.

The end of the assembly ring 1 and the connecting pipe 3 away from the corrugated pipe 2 is fixedly installed with a clamping assembly that can fix the municipal drainage pipe. The clamping assembly is composed of a clamping ring 10 and a locking bolt 11. The number of clamping rings 10 There are four, four clamping rings 10 are fixedly installed on two assembly rings 1 and one end of two connecting pipes 3 respectively, locking bolts 11 are threaded on the surface of clamping rings 10, and the threaded ends of locking bolts 11 extend To the inner ring surface of the clamping ring 10, a pressing block 12 is rotatably connected.

After the assembly ring 1 and the connecting pipe 3 are assembled into one body, then tighten the locking bolt 11, so that the pressing block 12 can be driven to clamp and fix the surface of the external municipal pipe, and then the removed external municipal pipe can be connected with the connecting pipe 3 Assembled as a whole, avoiding the problem that the external municipal pipes cannot be assembled with each other after being cut off.

The working principle of the utility model is as follows: when the external municipal pipeline is too long during assembly and the excess part of the external municipal pipeline needs to be cut off, insert one end of the removed external municipal pipeline into the assembly hole, and make the external municipal pipeline in the assembly hole One end of the pipe is in contact with one end of the sealing ring 4 to form a sealing surface, and then the snap ring 5 on the assembly ring 1 is clamped in the slot on the surface of the connecting pipe 3, and then the bolt is passed through the mounting hole on the assembly block 13, so that Assemble the assembly ring 1 and the connecting pipe 3 into one body. When the assembly ring 1 and the connecting pipe 3 are assembled into one body, the sealing block 9 will be inserted into the sealing slot on the third sealing ring 8, and the second sealing ring 7 and the The third sealing ring 8 can form a sealing surface with the external municipal pipeline. At the same time, the first sealing ring 6 will snap into the sealing groove of the inner ring surface of the snap ring 5. The first sealing ring 6 can be used to connect the snap ring 5 with the A sealing surface is formed between the pipes 3, and finally the locking bolt 11 is tightened, so that the clamping block 12 can be driven to clamp and fix the surface of the external municipal pipe, and then the removed external municipal pipe and the connecting pipe 3 can be assembled into one.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. Any equivalent replacement or change of the new technical solution and its inventive concept shall be covered by the protection scope of the present utility model.

Claims (6)

1. A municipal drainage pipeline connection structure, comprising an assembly ring (1), a corrugated pipe (2) and connecting pipes (3) fixedly installed at both ends of the corrugated pipe (2) respectively, characterized in that: the connecting pipe (3) ) is provided with an assembly hole compatible with the drainage pipe, the inner wall of the assembly hole is fixedly installed with a sealing ring (4), and the surface of the connecting pipe (3) is provided with a semicircular groove suitable for the assembly ring (1). And one end of the assembly ring (1) is provided with an assembly component that can be assembled with the connecting pipe (3), and the end of the assembly ring (1) and the connecting pipe (3) away from the corrugated pipe (2) is fixedly installed with a Drains are held in place by clamping assemblies. 2. A connection structure for municipal drainage pipes according to claim 1, characterized in that: the assembly assembly is composed of a snap ring (5) and a first sealing ring (6), and the number of snap rings (5) is two Two snap rings (5) are respectively fixedly installed on the opposite surfaces of the two assembly rings (1), and the surface of the connecting pipe (3) is provided with a card groove matching the snap rings (5), and the first sealing ring (6) It is fixedly installed on the inner wall of the card groove, and the inner ring surface of the snap ring (5) is provided with a sealing groove compatible with the first sealing ring (6). 3. A connection structure for municipal drainage pipes according to claim 1, characterized in that: the inner ring surfaces of the fitting ring (1) and the connecting pipe (3) are respectively fixedly installed with a second sealing ring (7) and The third sealing ring (8), the lower end of the second sealing ring (7) is fixed with a sealing block (9), and the upper end of the third sealing ring (8) is provided with a sealing slot matching the sealing block (9) . 4. A connection structure for municipal drainage pipes according to claim 1, characterized in that: the clamping assembly is composed of clamping rings (10) and locking bolts (11), and the number of clamping rings (10) There are four, four clamping rings (10) are fixedly installed on two assembly rings (1) and one end of two connecting pipes (3) respectively, and the locking bolts (11) are threaded on the clamping rings (10) surface. 5. A connection structure for municipal drainage pipes according to claim 4, characterized in that: the threaded end of the locking bolt (11) extends to the inner ring surface of the clamping ring (10), and is rotatably connected with a resisting Tight block (12). 6. A municipal drainage pipe connection structure according to claim 1, characterized in that: the surfaces of the assembly ring (1) and the connecting pipe (3) are fixedly equipped with assembly blocks (13), the assembly blocks (13 ) is provided with mounting holes on the surface.