CN213809335U

CN213809335U - Nodular cast iron pipe connector connecting structure

Info

Publication number: CN213809335U
Application number: CN202022586726.1U
Authority: CN
Inventors: 涓ヤ寒; 严亮
Original assignee: Ma'anshan Shengyuan Pipeline Co ltd
Current assignee: Ma'anshan Shengyuan Pipeline Co ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-07-27
Anticipated expiration: 2030-11-09

Abstract

The utility model discloses a nodular cast iron pipe interface connection structure, which comprises a pipeline body, a first flange plate arranged on the outer surface close to one end of the pipeline body, a sealing ring fixed on one side of the first flange plate, a second flange plate fixed on the sealing ring and far away from one side of the first flange plate, and a protective pad arranged on the outer surfaces of the first flange plate and the second flange plate, wherein the first flange plate, the second flange plate and the sealing ring can be matched to form a flange plate body; one end of the first flange plate is clamped at one end of the second flange plate through the clamping ring. This adaptation is novel fills up, sealing ring and snap ring through spacing shell, protection that sets up, the effectual leakproofness that increases this connection structure has reduced the loss of water resource, the effectual leakproofness that increases this connecting device.

Description

Nodular cast iron pipe connector connecting structure

Technical Field

The utility model relates to a pipeline connection technical field specifically is a nodular cast iron pipe connector mouth connection structure.

Background

The pipeline is a device which is connected by pipes, pipe connectors, valves and the like and used for conveying gas, liquid or fluid with solid particles, the fluid is pressurized by a blower, a compressor, a pump, a boiler and the like, flows from a high-pressure part to a low-pressure part of the pipeline, and can also be conveyed by utilizing the pressure or gravity of the fluid, the pipeline has wide application range and is mainly used for water supply, water drainage, heat supply, gas supply, long-distance petroleum and natural gas conveying, agricultural irrigation, hydraulic engineering and various industrial devices.

Along with the development of society and the progress of science and technology, the pipeline also appears in people's life in a variety of forms, wherein the appearance of nodular cast iron pipe receives people's favor gradually, and people can use connection structure to link two pipelines together in the in-process of the installation to nodular cast iron pipe, but current connection structure leakproofness on the market is not very good at present, at the in-process of carrying water resource, the pipeline is the infiltration phenomenon easily appears, just so leads to the loss of water resource, causes the waste to the water resource, brings great inconvenience for people's water delivery work.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a nodular cast iron pipe connector joint connection structure, this nodular cast iron pipe connector joint connection structure have increased the leakproofness between the connecting tube, the effectual seepage that prevents rivers.

In order to achieve the above object, the present invention provides a nodular cast iron pipe interface connection structure, which includes a pipe body, a first flange plate installed on the outer surface near one end of the pipe body, a sealing ring fixed on one side of the first flange plate, a second flange plate fixed on the sealing ring on one side far away from the first flange plate, and a protection pad installed on the outer surfaces of the first flange plate and the second flange plate, wherein the first flange plate, the second flange plate and the sealing ring can be adapted to form a flange plate body; one end of the first flange plate is clamped at one end of the second flange plate through the clamping ring, wherein a clamping groove is formed in one end of the second flange plate; one side, far away from the sealing ring, of the second flange plate is provided with a mounting groove which is movably connected with a fastening bolt, and the fastening bolt can sequentially penetrate through the second flange plate, the sealing ring and the first flange plate so as to fix the second flange plate, the sealing ring and the first flange plate; the outer surface of the protection pad is further sleeved with a limiting shell, so that the protection pad can be fixed on the flange plate body.

Preferably, the limit housing includes: the protection pad comprises a bottom limiting shell and a top limiting shell, wherein the top limiting shell is fixedly connected with the bottom limiting shell and is sleeved on the outer surface of the protection pad.

Preferably, one side of the top limit shell and one side of the bottom limit shell are provided with lugs, and the tops of the lugs are movably connected with limit bolts.

Preferably, the shape and size of the clamping groove are matched with the shape and size of the clamping ring, so that the clamping ring can be clamped in the clamping groove, and a rounded corner is arranged at the end of the clamping ring.

Preferably, the snap ring is made of rubber.

Preferably, the shape size of ring flange body with the shape size of protection pad all matches each other, and first ring flange with the avris of second ring flange sets up for the radius angle, and the material of protection pad is silica gel.

Preferably, the outer wall of the top limit shell is provided with pull rings, the shape and the size of the pull rings are matched with those of the contact part of a hand palm, the number of the pull rings is two, and the two pull rings are symmetrically arranged by taking the perpendicular bisector of the limit shell as a symmetry axis.

Preferably, the outer wall of the bottom limiting shell, which is far away from the top limiting shell, is movably connected with a mounting seat, a limiting groove is formed in the top of the mounting seat, and the shape and the size of the limiting groove are matched with those of the bottom limiting shell.

Preferably, one side fixedly connected with bracing piece of mount pad, the one end fixedly connected with spacing ring of bracing piece, and the mount pad is through a walking pole and spacing ring and pipeline body swing joint, and each bracing piece and each the spacing ring is a set of, and two sets of bracing pieces and the perpendicular bisector of spacing ring use the mount pad set up as symmetry axis symmetry.

Preferably, the limiting bolt penetrates through the ear edge of the bottom limiting shell and the ear edge of the top limiting shell and is movably connected with the mounting seat.

According to the technical scheme, the utility model discloses a snap ring is with the inside of snap ring suit income block groove, effectual rivers overflow when having prevented rivers through flange plate body, fastening bolt through crisscross setting is with first ring flange, sealing ring and second ring flange are fixed, under the effect of fastening bolt and snap ring, further seal rivers, further prevent overflowing of rivers, further advance the spacing shell in bottom with flange plate body suit this moment, again with the spacing shell suit in flange plate body's outer wall in top, it is fixed with the spacing shell in bottom and the spacing shell in top and mount pad through spacing bolt, the protection pad is laminated with flange plate body this moment, the fastness between the sealing ring has further been increased, and then the leakproofness of this connecting device has been increased once more.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a front sectional view of the nodular cast iron pipe joint connection structure of the present invention;

FIG. 2 is a schematic view of the structural connection between the snap ring and the snap groove of the present invention;

fig. 3 is a schematic view of the structural connection between the pipe body and the limiting ring of the present invention; and

fig. 4 is a schematic view of the connection structure between the mounting seat and the limiting shell of the present invention.

Description of the reference numerals

1. A pipe body; 2. a limiting ring; 3. a support bar; 4. a mounting seat; 5. a limiting groove; 6. a bottom limit shell; 7. a top limit shell; 8. a limit bolt; 9. a protective pad; 10. a first flange plate; 11. A seal ring; 12. a second flange plate; 13. mounting grooves; 14. fastening a bolt; 15. a snap ring; 16. a clamping groove; 17. and (4) a pull ring.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

In the present invention, unless otherwise specified, the terms "upper, lower, left, right, front, rear, inner, and outer" and the like included in the terms refer to the orientation of the terms in the normal use state or the common names understood by those skilled in the art, and should not be construed as limiting the terms.

Referring to fig. 1-4, a nodular cast iron pipe joint connection structure includes a pipe body 1, a first flange 10 mounted on an outer surface of one end close to the pipe body 1, a sealing ring 11 fixed on one side of the first flange 10, a second flange 12 fixed on the sealing ring 11 and far away from the first flange, and a protection pad 9 mounted on outer surfaces of the first flange 10 and the second flange 12, wherein the sealing rings 11 are respectively disposed on one sides of the first flange 10 and the second flange 12 (see fig. 1 specifically), and the sealing performance of connection between the sealing rings is increased by the two sealing rings 11, wherein the first flange 10, the second flange 12 and the sealing rings 11 can be matched to form a flange body; one end of the first flange plate 10 is clamped at one end of the second flange plate 12 through a clamping ring 15, wherein a chamfer is arranged on the side of the clamping ring 15, the chamfer facilitates the clamping ring 15 to be better sleeved and connected into the inner wall of the clamping groove 16, and the clamping groove 16 is arranged at one end of the second flange plate 12; the side, away from the sealing ring 11, of the second flange plate 12 is provided with an installation groove 13 movably connected with fastening bolts 14, wherein the fastening bolts 14 are arranged on one side of the flange plate body in a staggered manner, and the fastening bolts 14 arranged in a staggered manner can further increase the connection fixity of the flange plate body (refer to fig. 1 specifically), and the fastening bolts 14 can sequentially penetrate through the second flange plate 12, the sealing ring 11 and the first flange plate 10 so that the second flange plate 12, the sealing ring 11 and the first flange plate 10 are fixed; the outer surface of the protective pad 9 is also sleeved with a limiting shell so that the protective pad can be fixed on the flange plate body, the snap ring 15 is sleeved inside the snap groove 16 through the snap ring, thereby effectively preventing the water flow from overflowing when the water flow passes through the flange plate body, the first flange plate 10, the sealing ring 11 and the second flange plate 12 are fixed through fastening bolts 14 which are arranged in a staggered mode, under the action of the fastening bolts 14 and the snap ring 15, the water flow is further sealed to further prevent the water flow from overflowing, at the moment, the flange plate body is sleeved into the bottom limiting shell 6, the top limiting shell 7 is sleeved on the outer wall of the flange plate body, the bottom limiting shell and the top limiting shell 7 are fixed with the mounting seat 4 through the limiting bolts 8, the protection pad 9 is attached to the flange plate body at the moment, firmness between the sealing rings 11 is further improved, and then the sealing performance of the connecting device is increased again.

Please refer to fig. 1 and 4, the limiting shell includes a bottom limiting shell 6 and a top limiting shell 7, wherein the top limiting shell 7 is fixedly connected to the bottom limiting shell 6 and sleeved on the outer surface of the protection pad 9, and the limiting shell is disposed to increase the firmness of the flange body and prevent the flange body from shaking during liquid conveying.

Please refer to fig. 4, the ear edges are arranged on one side of the top limiting shell 7 and one side of the bottom limiting shell 6, and the top of the ear edges is movably connected with the limiting bolt 8, because the surface of the limiting shell is round, the limiting bolt 8 is inconvenient to fix on the surface of the limiting shell, and the fixing process of people is simplified by the arranged ear edges.

Please refer to fig. 1 and fig. 2, the shape and size of the engaging groove 16 are matched with the shape and size of the snap ring 15, so that the snap ring 15 can be engaged with the engaging groove 16, and the end of the snap ring 15 is provided with a rounded corner, so that the snap ring 15 can smoothly enter the engaging groove 16 through the chamfered corner formed on the surface of the snap ring 15, and the shape and size of the snap ring 15 and the engaging groove 16 are matched with each other, thereby increasing the sealing performance of the connection.

Referring to fig. 1 and 2, the snap ring 15 is made of rubber, which is a high-elasticity polymer material with reversible deformation, is elastic at room temperature, can be deformed greatly under the action of a small external force, and can recover to the original shape after the external force is removed, and because the rubber has a certain deformability, after the snap ring 15 is squeezed into the snap groove 16, the volume of the snap ring 15 is correspondingly increased, thereby increasing the sealing performance of the connection structure.

Please refer to fig. 1, the shape and size of the flange plate body are matched with the shape and size of the protection pad 9, the edges of the first flange plate 10 and the second flange plate 12 are rounded, the protection pad 9 is made of silica gel, and the chamfer is arranged on the edge of the second flange plate 12, so that the protection pad 9 can be conveniently clamped.

Please refer to fig. 1, the outer wall of the top limiting shell 7 is provided with two pull rings 17, the shape of the pull rings 17 is matched with the shape of the hand contact part of a person, the number of the pull rings 17 is two, and the two pull rings 17 are symmetrically arranged by taking the perpendicular bisector of the top limiting shell 7 as the symmetry axis, when the protective shell needs to be disassembled, because the protective pad 9 on the inner wall of the protective shell has a certain connecting acting force with the flange body, the disassembly and assembly of the top limiting shell 7 by people are facilitated through the arranged pull rings 17.

Please refer to fig. 1 and 4, the outer wall of the bottom limiting shell 6 far from the top limiting shell 7 is movably connected with the mounting seat 4, the top of the mounting seat 4 is provided with a limiting groove 5, the shape and size of the limiting groove 5 are matched with the shape and size of the bottom limiting shell 6, and the bottom limiting shell 6 is conveniently clamped into the limiting groove 5 by people through the arranged limiting groove 5, so that the bottom limiting shell 6 is conveniently mounted by people.

Please refer to fig. 1 and fig. 3, one side of the mounting seat 4 is fixedly connected with a support rod 3, one end of the support rod 3 is fixedly connected with a limit ring 2, the mounting seat 4 is movably connected with the pipeline body 1 through the support rod 3 and the limit ring 2, each support rod 3 and each limit ring 2 are in a group, and the two groups of support rods 3 and the limit rings 2 are symmetrically arranged by taking the perpendicular bisector of the mounting seat 4 as a symmetry axis.

Please refer to fig. 1, the limiting bolt 8 penetrates through the ear edge of the bottom limiting shell 6 and the ear edge of the top limiting shell 7 and is movably connected with the mounting seat 4, and the connecting firmness between the limiting shell and the mounting seat 4 is increased by the limiting bolt 8.

Through the implementation of the technical scheme, when in use, the bottom limiting shell 6 is arranged in the limiting groove 5 arranged at the top of the mounting seat 4, the first flange plate 10 is connected with the second flange plate 12, the clamping ring 15 is further sleeved with the clamping groove 16, the chamfering is arranged at the edge of the clamping ring 15, so that the connection between the clamping ring 15 and the clamping groove 16 is facilitated, the sealing ring 11 at one side of the first flange plate 10 is already attached to the sealing ring 11 at one side of the second flange plate 12, the attachment between the sealing rings 11 is increased under the action of the fastening bolt 14, the sealing property of the connection between the clamping ring 15 and the clamping groove 16 is increased, the palm is contacted with the pull ring 17, the pull ring 17 drives the top limiting shell 7 to move, so that the protective pad 9 is sleeved with the flange plate body, the chamfering is arranged at the side of the flange plate body, the sleeving of the protective pad 9 is facilitated, and the top limiting shell 7 and the bottom limiting shell 6 are connected with the mounting seat 4 through the limiting bolt 8, the stability that spacing shell is connected has been increased, and then has increased the fastness of ring flange body, and the spacing ring 2 and the 1 contact of pipeline body of bracing piece 3 one side this moment have increased the fastness of pipeline body 1 to a certain extent.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.

In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.

Claims

1. The nodular cast iron pipe interface connection structure is characterized by comprising the following components in parts by weight: the pipeline comprises a pipeline body (1), a first flange plate (10) arranged on the outer surface of one end close to the pipeline body (1), a sealing ring (11) fixed on one side of the first flange plate (10), a second flange plate (12) fixed on one side, far away from the first flange plate, of the sealing ring (11), and a protective pad (9) arranged on the outer surfaces of the first flange plate (10) and the second flange plate (12);

the first flange plate (10), the second flange plate (12) and the sealing ring (11) can be matched to form a flange plate body; one end of the first flange plate (10) is clamped at one end of the second flange plate (12) through a clamping ring (15), wherein a clamping groove (16) is formed at one end of the second flange plate (12); one side, far away from the sealing ring (11), of the second flange plate (12) is provided with a mounting groove (13) which is movably connected with a fastening bolt (14), and the fastening bolt (14) can sequentially penetrate through the second flange plate (12), the sealing ring (11) and the first flange plate (10) so that the second flange plate (12), the sealing ring (11) and the first flange plate (10) are fixed; the outer surface of the protection pad (9) is further sleeved with a limiting shell, so that the protection pad can be fixed on the flange plate body.

2. The nodular cast iron pipe joint connection structure of claim 1, wherein the spacing housing comprises: a bottom limit shell (6) and a top limit shell (7), wherein the top limit shell (7) is fixedly connected with the bottom limit shell (6) and is sleeved on the outer surface of the protective pad (9).

3. The nodular cast iron pipe joint connection structure according to claim 2 wherein one side of the top limit shell (7) and one side of the bottom limit shell (6) are provided with ears, and the tops of the ears are movably connected with limit bolts (8).

4. The nodular cast iron pipe interface connection structure of claim 1, wherein the shape and size of the snap groove (16) and the shape and size of the snap ring (15) are matched with each other, so that the snap ring (15) can be snapped in the snap groove (16), and a rounded corner is arranged at the end of the snap ring (15).

5. The nodular cast iron pipe joint connection according to claim 1 wherein the snap ring (15) is made of rubber.

6. The nodular cast iron pipe joint connecting structure of claim 1, wherein the shape and size of the flange body and the shape and size of the protective pad (9) are matched with each other, and the sides of the first flange (10) and the second flange (12) are arranged in a way of chamfering;

the protective pad (9) is made of silica gel.

7. The nodular cast iron pipe joint connecting structure according to claim 2, wherein the outer wall of the top limiting shell (7) is provided with a pull ring (17), and the shape and size of the pull ring (17) are matched with the shape and size of the contact part of the palm of a human hand;

the number of pull rings (17) is two, and the perpendicular bisector that two pull rings (17) used top spacing shell (7) sets up as symmetry axis symmetry.

8. The nodular cast iron pipe joint connection structure according to claim 3, wherein the outer wall of the bottom limiting shell (6) far away from the top limiting shell (7) is movably connected with a mounting seat (4), the top of the mounting seat (4) is provided with a limiting groove (5), and the shape and size of the limiting groove (5) and the shape and size of the bottom limiting shell (6) are matched with each other.

9. The nodular cast iron pipe joint connection structure of claim 8, wherein one side of the mounting seat (4) is fixedly connected with a support rod (3), one end of the support rod (3) is fixedly connected with a limit ring (2), the mounting seat (4) is movably connected with the pipeline body (1) through the support rod (3) and the limit ring (2), each support rod (3) and each limit ring (2) are in a group, and the two groups of support rods (3) and limit rings (2) are symmetrically arranged by taking the perpendicular bisector of the mounting seat (4) as the symmetry axis.

10. The nodular cast iron pipe joint connection according to claim 8 wherein the limit bolt (8) runs through the ear of the bottom limit shell (6) and the ear of the top limit shell (7) and is movably connected with the mounting seat (4).