CN223090210U

CN223090210U - A rubber apron for the socket of ductile iron pipe

Info

Publication number: CN223090210U
Application number: CN202422082533.0U
Authority: CN
Inventors: 范杰; 谭建; 王建军; 金红涛; 梁金星; 贾俊喜
Original assignee: Cccc Inner Mongolia Construction And Development Co ltd
Current assignee: Cccc Inner Mongolia Construction And Development Co ltd
Priority date: 2024-08-26
Filing date: 2024-08-26
Publication date: 2025-07-11
Anticipated expiration: 2034-08-26

Abstract

The utility model discloses a socket rubber ring of a nodular cast iron pipe, which comprises a cannula and a socket, wherein the end part of the cannula is provided with a socket, the socket is in a round table shape, the end part of the socket is welded and connected with a blocking ring, the inner wall of the socket is welded and connected with a first clamping ring and a second clamping ring, the inner walls of the first clamping ring and the second clamping ring are matched and clamped and provided with a rubber ring, the rubber ring comprises a first expansion ring and a second expansion ring which are bilaterally symmetrical, a filling ring is fixedly connected between the first expansion ring and the second expansion ring, and the filling ring is matched and connected with the outer wall of the cannula in a sealing way.

Description

Rubber ring for socket of nodular cast iron pipe

Technical Field

The utility model relates to the technical field of rubber rings, in particular to a rubber ring for a socket of a nodular cast iron pipe.

Background

The socket joint of the nodular cast iron pipe is a common and important connection mode, has a plurality of advantages, is relatively easy to operate compared with other complex connection modes, saves installation time and labor cost, has good sealing performance, can effectively prevent leakage of substances in a pipeline, and ensures stable operation of a pipeline system. For example, in an urban sewage discharge system, good tightness can avoid environmental pollution caused by sewage leakage, and the strength is higher, namely, a socket part is reasonably designed and treated and can bear certain pressure and tension, the existing socket part is usually required to be sealed between a spigot pipe and a socket pipe by installing a sealing rubber ring when the socket pipe is socket-jointed with the nodular cast iron pipe, and the traditional socket rubber ring of the nodular cast iron pipe is usually directly spliced for convenient installation and is lack of a limiting and pressurizing structure of the socket rubber ring of the nodular cast iron pipe, so that the phenomenon of looseness is easy to occur at the joint between the socket rubber ring of the nodular cast iron pipe and the nodular cast iron pipe when the socket pipe is used for a long time, the sealing effect is inconvenient to improve, and the use is inconvenient.

Disclosure of utility model

The utility model aims to provide a rubber ring for a socket of a nodular cast iron pipe.

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

The socket rubber ring of the nodular cast iron pipe bell and spigot comprises a spigot pipe and a bell pipe, wherein a bearing pipe orifice is arranged at the end part of the spigot pipe, the bearing pipe orifice is in a round table shape, a blocking ring is welded and connected at the end part of the bearing pipe orifice, a first clamping ring and a second clamping ring are welded and connected at the inner wall of the bearing pipe orifice, the inner walls of the first clamping ring and the second clamping ring are matched and clamped with each other to install the rubber ring, the rubber ring comprises a first expansion ring and a second expansion ring which are bilaterally symmetrical, a filling ring is fixedly connected between the first expansion ring and the second expansion ring, and the filling ring is matched and connected with the outer wall of the spigot pipe in a sealing manner.

Furthermore, the inner wall of the top of the bellmouth is welded and connected with a filling pipe, the inner wall of the filling pipe is in threaded connection with a first plug, and the inner wall of the bottom of the bellmouth is welded and connected with a drain pipe.

Further, the second plug is connected with the bottom of the drain pipe in a threaded manner, the second plug is connected with the inner wall of the drain pipe in a threaded manner, the outer walls of the first plug and the second plug are fixedly connected with hexagonal prisms, and the hexagonal prisms are used for being matched with a wrench to rotate.

Further, the inner wall of the filling ring is connected with the outer wall of the cannula in a matched and sleeved mode, and arc-shaped grooves are uniformly formed in the outer wall of the filling ring.

Further, the cross sections of the first expansion ring and the second expansion ring are L-shaped, and the outer walls of the first expansion ring and the second expansion ring are matched and clamped with the inner walls of the first clamping ring and the second clamping ring.

Further, the outer wall of the first expansion ring is provided with a first sealing patch, and the outer wall of the second expansion ring is provided with a second sealing patch.

Further, the outer wall of the first expansion ring is fixedly connected with the first plugging ring, and the outer wall of the second expansion ring is fixedly connected with the second plugging ring.

In the technical scheme, the spheroidal graphite cast iron pipe bell and spigot rubber ring provided by the utility model has the following beneficial effects:

1. Through setting up first snap ring and second snap ring cooperation and using to make the rubber ring can be installed in the inside of first snap ring and second snap ring by the joint, through adding the water injection at the top of bellmouth, make the cavity between first expansion ring, the second expansion ring form water pressure, closely extrude the packing ring laminating in the outer wall of intubate, improved sealed effect;

2. Through set up the drain pipe in the bottom of bellmouth to conveniently when needing to break away from intubate, bellmouth, through opening the second end cap, under the action of gravity, can the pressure release with the water discharge, conveniently separate intubate and bellmouth.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

Fig. 1 is a schematic diagram of a front view structure of a rubber ring of a bell and spigot of a ductile cast iron pipe according to an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of a rubber ring for a bell and spigot of a nodular cast iron pipe according to an embodiment of the present utility model;

Fig. 3 is a schematic diagram of an exploded structure of a rubber ring of a socket of a ductile cast iron pipe according to an embodiment of the present utility model;

Fig. 4 is a schematic diagram of a bell end structure of a rubber ring of a bell and spigot joint of a ductile cast iron pipe according to an embodiment of the present utility model;

fig. 5 is a schematic diagram of a rubber ring structure of a rubber ring of a socket of a ductile cast iron pipe according to an embodiment of the present utility model.

In the figure, a cannula 100, a carrier tube 110, a carrier tube mouth 120, a first clamping ring 130, a second clamping ring 140, a clamping groove 150, a blocking ring 160, a filling tube 170, a first plug 171, a drain tube 180, a second plug 181, a rubber ring 200, a filling ring 210, a first expansion ring 220, a first sealing patch 221, a first blocking ring 222, a second expansion ring 230, a second sealing patch 231 and a second blocking ring 232 are shown.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

Embodiment one:

see fig. 1-3;

The utility model relates to a bell and spigot rubber ring of a nodular cast iron pipe, which comprises a pipe insertion 100 and a pipe insertion 110, wherein a pipe insertion port 120 is arranged at the end part of the pipe insertion 100, the pipe insertion port 120 is in a round table shape, a blocking ring 160 is welded at the end part of the pipe insertion port 120, a first clamping ring 130 and a second clamping ring 140 are welded at the inner wall of the pipe insertion port 120, a rubber ring 200 is mounted on the inner wall of the first clamping ring 130 and the inner wall of the second clamping ring 140 in a matched clamping manner, the rubber ring 200 comprises a first expansion ring 220 and a second expansion ring 230 which are bilaterally symmetrical, a filling ring 210 is fixedly connected between the first expansion ring 220 and the second expansion ring 230, the first expansion ring 220 is in matched sealing connection with the outer wall of the pipe insertion 100, the pipe insertion port 120 is matched and connected with the pipe insertion 100 in a matched manner, and the first clamping ring 130 and the second clamping ring 140 are matched in a matched manner, so that the rubber ring 200 can be mounted in the first clamping ring 130 and the second clamping ring 140 in a matched manner, and the rubber ring 200 is prevented from being separated.

Embodiment two:

see fig. 4;

The utility model relates to a ductile iron pipe bell and spigot rubber ring, which comprises a bell pipe mouth 120, wherein the inner wall of the top of the bell pipe mouth 120 is welded with a filling pipe 170, the inner wall of the filling pipe 170 is in threaded connection with a first plug 171, the inner wall of the bottom of the bell pipe mouth 120 is welded with a drain pipe 180, the filling pipe 170 is connected with the top of the bell pipe mouth 120 and is used for filling water between the bell pipe mouth 120 and the rubber ring 200, so that the rubber ring 200 can be pressed and tightly attached to the outer wall of the bell pipe 110 through deformation, the drain pipe 180 is arranged to facilitate the release of water between the bell pipe mouth 120 and the rubber ring 200 for decompression when the pipe 100 and the bell pipe 110 are required to be separated, the pipe 100 can be conveniently pulled out from the bell pipe mouth 120, the bottom of the drain pipe 180 is in threaded connection with a second plug 181, the outer walls of the first plug 171 and the second plug 181 are fixedly connected with hexagonal prisms for rotating in cooperation with a wrench.

Embodiment III:

See fig. 3-5;

The utility model relates to a nodular cast iron pipe bell and spigot rubber ring, which comprises a filling ring 210, wherein the inner wall of the filling ring 210 is matched and sleeved with the outer wall of a cannula 100, arc grooves 211 are uniformly formed in the outer wall of the filling ring 210, the filling ring 210 is arranged to be extruded and deformed through water pressure, so that extrusion force is formed between the filling ring 210 and the outer wall of the cannula 100, the filling ring 210 is tightly attached to the outer wall of the cannula 100, the sealing effect is achieved, the arc grooves 211 are arranged to enable the filling ring 210 to be easy to deform, the cross sections of a first expansion ring 220 and a second expansion ring 230 are L-shaped, the outer walls of the first expansion ring 220 and the second expansion ring 230 are matched and clamped with the inner walls of the first expansion ring 130 and the second expansion ring 140, the first expansion ring 220 and the second expansion ring 230 are matched and used, the rubber ring 200 is clamped and connected between the first clamping ring 130 and the second clamping ring 140 in the bell mouth 120, the phenomenon that the rubber ring 200 is prevented from falling off is conveniently, the sealing effect is improved, the outer wall of the first expansion ring 220 is provided with a second expansion ring 220, the second expansion ring 220 is matched with the second expansion ring 230 is arranged with the second sealing ring 230, and the second sealing ring 230 is matched with the second sealing ring 230, and the second sealing ring is matched with the second sealing ring 230 is provided with the second sealing ring 230, and the second sealing ring is matched with the second sealing ring and matched with the second sealing ring 230, and the second sealing ring is provided with the sealing ring and the sealing ring.

When the utility model is used, a person skilled in the art inserts the rubber ring 200 into the socket 120 after pressing and deforming, so that the first expansion ring 220 is clamped and installed in the clamping groove 150 between the second clamping ring 140 and the blocking ring 160, then inserts the insertion tube 100 into the rubber ring 200, so that the first expansion ring 220 is wrapped on the outer wall of the insertion tube 100, then opens the first plug 171 through a wrench, fills water into the filling tube 170, so that the water pressure extrudes the first expansion ring 220, the second expansion ring 230 and the top cavity of the filling ring 210 through the water pressure, so that the filling ring 210 deforms and is in sealing fit with the outer wall of the carrier tube 110, and the sealing effect between the insertion tube 100 and the carrier tube 110 is achieved.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. The utility model provides a nodular cast iron pipe bell and spigot rubber ring, includes intubate (100) and bell pipe (110), intubate (100) tip is equipped with bell pipe mouth (120), bell pipe mouth (120) set up to round platform form, bell pipe mouth (120) tip welded connection baffle ring (160), a serial communication port, bell pipe mouth (120) inner wall welded connection has first snap ring (130) and second snap ring (140), first snap ring (130) and second snap ring (140) inner wall cooperation joint installation rubber ring (200), rubber ring (200) include bilateral symmetry's first expansion ring (220) and second expansion ring (230), fixed connection packing ring (210) between first expansion ring (220) and second expansion ring (230), first expansion ring (220) and intubate (100) outer wall cooperation sealing connection.

2. The ductile iron pipe socket rubber gasket according to claim 1, wherein the inner wall of the top of the socket (120) is welded with a filler pipe (170), the inner wall of the filler pipe (170) is screwed with a first plug (171), and the inner wall of the bottom of the socket (120) is welded with a drain pipe (180).

3. The ductile iron pipe socket rubber gasket according to claim 2, wherein the bottom of the drain pipe (180) is in threaded connection with a second plug (181), the second plug (181) is in threaded connection with the inner wall of the drain pipe (180), and hexagonal prisms are fixedly connected to the outer walls of the first plug (171) and the second plug (181) and are used for being rotated in cooperation with a wrench.

4. The ductile iron pipe socket rubber ring according to claim 1, wherein the inner wall of the filling ring (210) is connected with the outer wall of the insertion pipe (100) in a sleeved mode in a matched mode, and arc-shaped grooves (211) are uniformly formed in the outer wall of the filling ring (210).

5. The ductile iron pipe socket rubber ring according to claim 4, wherein the cross sections of the first expansion ring (220) and the second expansion ring (230) are L-shaped, the outer walls of the first expansion ring (220) and the second expansion ring (230) are clamped with the inner walls of the first clamping ring (130) and the second clamping ring (140), and a clamping groove (150) is formed between the second clamping ring (140) and the blocking ring (160).

6. The ductile iron pipe socket rubber ring according to claim 5, wherein the outer wall of the first expansion ring (220) is provided with a first sealing patch (221), and the outer wall of the second expansion ring (230) is provided with a second sealing patch (231).

7. The ductile iron pipe socket rubber ring according to claim 6 wherein the outer wall of the first expansion ring (220) is fixedly connected to the first sealing ring (222) and the outer wall of the second expansion ring (230) is fixedly connected to the second sealing ring (232).