CN214248621U

CN214248621U - Stop valve mounting structure for aluminum alloy plastic-lined composite pipe

Info

Publication number: CN214248621U
Application number: CN202120191167.6U
Authority: CN
Inventors: 陈斌; 陈杭波; 黄珊珊
Original assignee: Beijing Alka Pipe Industry Co ltd
Current assignee: Beijing Alka Pipe Industry Co ltd
Priority date: 2021-01-23
Filing date: 2021-01-23
Publication date: 2021-09-21
Anticipated expiration: 2031-01-23

Abstract

The utility model relates to a be used in stop valve mounting structure on compound pipe is moulded to aluminum alloy lining relates to the installation technical field of stop valve, including the valve body, set up the pipeline at the valve body tip, the rigid coupling is at the first ring flange of valve body tip, the rigid coupling on the pipeline and with the second ring flange that first ring flange offseted and be connected fixed coupling assembling with first ring flange and second ring flange. The effect that this application has is that the reduction is to the stop valve ann tear the in-process open, and spare part takes place the condition of losing.

Description

Stop valve mounting structure for aluminum alloy plastic-lined composite pipe

Technical Field

The utility model belongs to the technical field of the installation technique of stop valve and specifically relates to a stop valve mounting structure who is used in aluminium alloy lining plastic composite pipe.

Background

The stop valve, also called as a gate valve, is one of the most widely used valves, has small friction force between sealing surfaces in the opening and closing process of the stop valve, is relatively durable, has small opening height, is easy to manufacture and convenient to maintain, and is suitable for medium and low pressure as well as high pressure. The closing principle of the stop valve is that the sealing surface of the valve clack is tightly attached to the sealing surface of the valve seat by means of the pressure of the valve rod, and the medium is prevented from flowing. Two ends of the stop valve in the related art are connected to the pipeline in a flange connection mode.

In view of the above-mentioned related technologies, the inventor found that the flange connection method uses many small parts such as bolts and nuts, and the parts are easily lost during the installation and removal of the stop valve.

SUMMERY OF THE UTILITY MODEL

In order to reduce to stop valve ann tears the in-process open, the condition that spare part takes place to lose, this application provides a stop valve mounting structure who is used in on aluminium alloy lining moulds compound pipe.

The application provides a stop valve mounting structure for on aluminium alloy lining plastic composite pipe adopts following technical scheme:

a stop valve mounting structure used on an aluminum alloy plastic-lined composite pipe comprises a valve body, a pipeline arranged at the end part of the valve body, a first flange fixedly connected at the end part of the valve body, a second flange fixedly connected on the pipeline and abutted against the first flange, and a connecting assembly for connecting and fixing the first flange and the second flange;

the connecting assembly comprises an inserting rod penetrating through the first flange plate and the second flange plate, one end of the inserting rod, far away from the valve body, is rotatably connected with a baffle plate abutted against the second flange plate, the baffle plate can rotate in the whole circle, and the rotating point of the baffle plate and the inserting rod is positioned in the middle of the baffle plate; a limiting disc located on one side, facing the valve body, of the first flange disc is arranged on the inserted rod, and a compression spring used for pushing the limiting disc to be close to the valve body is arranged between the limiting disc and the first flange disc.

Through adopting above-mentioned technical scheme, when the staff need dismantle the stop valve from the pipeline, the staff can promote spacing dish and be close to first ring flange, thereby make the baffle break away from the contact with the second ring flange, the staff can order about the baffle rotation this moment, make baffle and inserted bar be in the same straight line, the staff can order about the valve body like this and keep away from the second ring flange along the axis of first ring flange, can dismantle the stop valve from the pipeline, the staff orders about the baffle rotation once more at last, make baffle and inserted bar be in the vertical state, spacing dish is receiving compression spring's elasticity, order about the inserted bar and remove towards the direction that is close to the valve body, thereby make the baffle support and lean on in the one side that the valve body deviates from first ring flange, make coupling assembling stable connection on first ring flange like this, reduce the condition that spare part takes place to lose.

Optionally, the circumferential surface of the inserted bar is provided with threads, and the limiting disc is sleeved on the inserted bar and is in threaded connection with the inserted bar.

Through adopting above-mentioned technical scheme, the staff can rotate spacing dish and adjust the distance between spacing dish and the first ring flange to adjust spacing dish and first ring flange to compression spring's extrusion degree, can make supporting between first ring flange and the second ring flange to lean on inseparabler like this, thereby improve stop valve and pipe connection's stability.

Optionally, the outer circumferential surface of the limiting disc is fixedly connected with a plurality of anti-slip strips.

Through adopting above-mentioned technical scheme, increased the staff and ordered about spacing dish pivoted friction drive power, the staff of being convenient for orders about spacing dish and rotates.

Optionally, the inserted bar has seted up the groove of stepping down towards the one side of baffle, and the baffle is arranged in the groove of stepping down and rotate to be connected on two relative lateral walls in the groove of stepping down, and the degree of depth in the groove of stepping down is greater than half length of baffle.

Through adopting above-mentioned technical scheme, realized that the baffle can 360 degrees whole week rotate, made like this the staff can rotate the baffle to be in the vertical state with the inserted bar or the baffle is in same rectilinear state with the inserted bar.

Optionally, a magnet is embedded at the bottom of the abdicating groove, and the baffle is made of a magnetic material.

Through adopting above-mentioned technical scheme, when baffle and inserted bar were in same straight line, the terminal surface of baffle was close to the tank bottom in the groove of stepping down, and magnet produced great appeal to the baffle this moment to the restriction baffle takes place to rotate, and the staff of being convenient for like this orders about the through-hole that the baffle passed on the second ring flange.

Optionally, two end faces of the baffle are arc-shaped.

Through adopting above-mentioned technical scheme, when the tip of baffle penetrated the through-hole on the second ring flange, the convex terminal surface of baffle had the guide effect, and the staff of being convenient for more orders about the baffle and passes the through-hole on the second ring flange.

Optionally, the connecting assembly is provided in plurality, and a plurality of connecting assemblies are circumferentially distributed around the axis of the first flange plate.

Through adopting above-mentioned technical scheme for be connected more stably between first ring flange and the second ring flange.

Optionally, a linkage ring sleeved on the valve body is arranged at one end of the inserted rod facing the valve body; the inserted link on each connecting component is fixedly connected to the linkage ring.

Through adopting above-mentioned technical scheme, when the staff ordered about the link ring and moved on the valve, can drive the inserted bar on a plurality of coupling assembling and take place to remove to the staff of being convenient for installs the tear-off valve open.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the valve body, the first flange plate, the pipeline, the second flange plate, the connecting assembly, the inserting rod, the baffle plate, the limiting plate and the spring, a worker can drive the baffle plate to rotate to be in the same straight line with the inserting rod, then the stop valve can be detached from the pipeline, then the baffle plate and the inserting rod are driven to be in a vertical state, the limiting plate is driven to move towards the direction close to the valve body under the action of the elastic force of the compression spring, so that the baffle plate is abutted against one surface of the first flange plate, which is deviated from the valve body, the connecting assembly is stably connected to the first flange plate, and the loss of parts is reduced;

2. through the setting of screw thread, the staff can twist to spacing dish and twist and order about spacing dish and remove, adjusts spacing dish and first ring flange like this to compression spring's extrusion degree, can make supporting between first ring flange and the second ring flange to lean on inseparabler like this to improve stop valve and pipe connection's stability.

Drawings

FIG. 1 is a schematic view of a connection structure of a stop valve and a pipeline in an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a rubber ring in the embodiment of the present application.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Description of reference numerals: 1. a valve body; 2. a pipeline; 3. a first flange plate; 4. a second flange plate; 5. a connecting assembly; 51. inserting a rod; 52. a baffle plate; 53. a limiting disc; 54. a compression spring; 55. a yielding groove; 56. a rotating rod; 57. a thread; 58. anti-slip strips; 59. a magnet; 6. a link ring; 7. and (5) sealing rings.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a stop valve mounting structure for an aluminum alloy plastic-lined composite pipe.

Referring to fig. 1 and 2, a stop valve mounting structure for an aluminum alloy plastic-lined composite pipe comprises a valve body 1, wherein two ends of the valve body 1 are coaxially provided with a pipeline 2, the edge of a port of the valve body 1, facing the pipeline 2, is coaxially and fixedly connected with an annular first flange 3, the edge of the port of the pipeline 2, facing the valve body 1, is coaxially and fixedly connected with an annular second flange 4, a sealing ring 7 is arranged between the first flange 3 and the second flange 4, the sealing ring 7 is coaxially arranged with the first flange 3, and the sealing ring 7 is fixedly connected to the surface, facing away from the valve body 1, of the first flange 3; the first flange plate 3 is provided with a plurality of connecting components 5 for fixedly connecting the first flange plate 3 with the second flange plate 4, and the connecting components 5 are distributed at equal intervals on the circumference around the axis of the first flange plate 3.

Referring to fig. 1 and 3, the connecting assembly 5 includes an insert rod 51 penetrating the first flange 3 and the second flange 4, and the insert rod 51 is arranged along the axial direction of the first flange 3; one end of the inserted rod 51, which is far away from the valve body 1, is rotatably connected with a baffle plate 52, and the baffle plate 52 is perpendicular to the inserted rod 51 and is abutted against one surface of the second flange plate 4, which is far away from the first flange plate 3; a limiting disc 53 is arranged on the inserted rod 51, and the limiting disc 53 is positioned on one side of the first flange plate 3 departing from the second flange plate 4; the inserted link 51 is sleeved with a compression spring 54, the compression spring 54 is positioned between the limiting disc 53 and the first flange 3, one end of the compression spring 54 is abutted against one surface of the limiting disc 53 facing the first flange 3, the other end of the compression spring is abutted against one surface of the first flange 3 facing the limiting disc 53, and the compression spring 54 is always in a compressed state.

The structure of the rotary connection between the inserted link 51 and the baffle 52 is, in more detail: the end face, away from the valve body 1, of the insertion rod 51 is provided with a yielding groove 55, the yielding groove 55 is distributed along the axis direction of the insertion rod 51, and two opposite sides of the yielding groove 55 extend to the peripheral surface of the insertion rod 51, so that the yielding groove 55 forms two openings on the peripheral surface of the insertion rod 51; the baffle 52 is arranged in the abdicating groove 55, the width of the baffle 52 is smaller than the diameter of the end face of the inserting rod 51, the rotating rod 56 penetrates through the middle part of the baffle 52, and the two ends of the rotating rod 56 penetrate through the two opposite side walls of the abdicating groove 55 respectively, so that the baffle 52 is rotatably connected to the inserting rod 51; the distance from the rotating rod 56 to the bottom of the relief groove 55 is more than half the length of the baffle 52, so that the baffle 52 can rotate around the axis of the rotating rod 56 for a full 360-degree rotation.

When the stop valve is installed on the pipeline 2 by a worker, the baffle 52 and the insertion rod 51 are arranged along the same straight line by the aid of the forerunner, then the first flange plate 3 and the second flange plate 4 are aligned, the first flange plate 3 and the second flange plate 4 are abutted to each other, the insertion rod 51 is pushed by the worker at the moment, the baffle 52 completely penetrates through the second flange plate 4 and is positioned on one side, deviating from the first flange plate 3, of the second flange plate 4, the baffle 52 is rotated by the worker, the baffle 52 and the insertion rod 51 are in a vertical state, the insertion rod 51 is driven to move towards the direction close to the valve body 1 through the elastic force of the compression spring 54, the baffle 52 is abutted to the side, deviating from the first flange plate 3, of the second flange plate 4 is abutted to the side, and the first flange plate 3 and the second flange plate 4 are stably connected together.

In order to make the connection between the first flange 3 and the second flange 4 more stable, a thread 57 is formed on the peripheral surface of the insert rod 51; the limiting disc 53 is annular, the limiting disc 53 is sleeved on the inserted rod 51, the limiting disc 53 is in threaded connection with the inserted rod 51, in order to facilitate workers to screw the limiting disc 53, a plurality of anti-slip strips 58 are fixedly connected to the outer peripheral surface of the limiting disc 53, the anti-slip strips 58 are arranged at equal intervals around the axis of the limiting disc 53, and each anti-slip strip 58 is arranged along the axis direction of the limiting disc 53; the staff can reduce the distance between spacing dish 53 and the first ring flange 3 through revolving spacing dish 53 to increase the degree that compression spring 54 compressed, and then order to order about first ring flange 3 and the inseparabler subsides of second ring flange 4 and lean on together more.

When the worker drives the baffle plate 52 to pass through the second flange plate 4, the worker is required to rotate the baffle plate 52 to be in the same straight line with the inserting rod 51, in order to enable the baffle plate 52 to be stably in the same straight line with the inserting rod 51, a magnet 59 is embedded at the bottom of the abdicating groove 55, and the baffle plate 52 is made of a magnetic material; when the baffle plate 52 and the inserted rod 51 are in the same straight line, the end part of the baffle plate 52 is close to the bottom of the abdicating groove 55, and at the moment, the magnet 59 attracts the baffle plate 52, so that the baffle plate 52 is driven to keep a state of being parallel to the inserted rod 51; the two end surfaces of the baffle plate 52 are arc-shaped, so that the baffle plate 52 can be conveniently driven by the worker to pass through the through hole in the second flange plate 4, the whole baffle plate 52 is smooth, and the situation that the baffle plate 52 is scratched when the worker rotates the baffle plate 52 is reduced.

When the stop valve was dismantled to the staff, for the convenience of the staff orders about the inserted bar 51 on the multiunit coupling assembling 5 to remove, event inserted bar 51 is provided with the link ring 6 towards the one end of valve body 1, the link ring 6 cover is established on valve body 1, and the link ring 6 moves along the axis direction of first ring flange 3, the one end rigid coupling of the inserted bar 51 orientation link ring 6 on every coupling assembling 5 is on the link ring 6, make the staff order about the link ring 6 and move on valve body 1 like this, can drive the inserted bar 51 on a plurality of coupling assembling 5 and remove.

The implementation principle of the stop valve mounting structure used on the aluminum alloy plastic-lined composite pipe in the embodiment of the application is as follows: when a worker needs to detach the stop valve from the pipeline 2, the worker pulls the link ring 6 to be close to the first flange 3, so that the baffle 52 on each connecting assembly 5 is separated from the second flange 4, the worker can drive the baffle 52 to rotate at the moment, the baffle 52 and the insert rod 51 are in the same straight line, the worker can drive the valve body 1 to be far away from the second flange 4 along the axis of the first flange 3, the stop valve can be detached from the pipeline 2, finally the worker drives the baffle 52 to rotate again, the baffle 52 and the insert rod 51 are in a vertical state, the limiting disc 53 is subjected to the elastic force of the compression spring 54, the insert rod 51 is driven to move towards the direction close to the valve body 1, the baffle 52 is abutted against the surface of the first flange 3, which is far away from the valve body 1, and the connecting assembly 5 is stably connected to the first flange 3, and the condition that parts are lost is reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a be used in stop valve mounting structure on compound pipe is moulded to aluminum alloy lining which characterized in that: the valve comprises a valve body (1), a pipeline (2) arranged at the end part of the valve body (1), a first flange plate (3) fixedly connected at the end part of the valve body (1), a second flange plate (4) fixedly connected on the pipeline (2) and abutted against the first flange plate (3), and a connecting assembly (5) for connecting and fixing the first flange plate (3) and the second flange plate (4);

the connecting assembly (5) comprises an inserting rod (51) penetrating through the first flange plate (3) and the second flange plate (4), one end, far away from the valve body (1), of the inserting rod (51) is rotatably connected with a baffle (52) abutted against the second flange plate (4), the baffle (52) can rotate in the whole circle, and the rotating points of the baffle (52) and the inserting rod (51) are located in the middle of the baffle (52); the inserted bar (51) is provided with a limiting disc (53) which is positioned on one side of the first flange disc (3) facing the valve body (1), and a compression spring (54) which pushes the limiting disc (53) to be close to the valve body (1) is arranged between the limiting disc (53) and the first flange disc (3).

2. A stop valve mounting structure for use in an aluminum alloy plastic-lined composite pipe as claimed in claim 1, wherein: the peripheral surface of the inserted bar (51) is provided with threads (57), and the limiting disc (53) is sleeved on the inserted bar (51) and is in threaded connection with the inserted bar (51).

3. A stop valve mounting structure for use in an aluminum alloy plastic-lined composite pipe as claimed in claim 2, wherein: the peripheral surface of spacing dish (53) is rigid coupling has a plurality of antislip strips (58).

4. A stop valve mounting structure for use in an aluminum alloy plastic-lined composite pipe as claimed in claim 1, wherein: the one side of inserted bar (51) towards baffle (52) has seted up and has stepped down groove (55), and baffle (52) are arranged in and rotate the connection on two relative lateral walls in groove (55) of stepping down, and the degree of depth in groove (55) of stepping down is greater than half length of baffle (52).

5. The structure of claim 4, wherein the stop valve is mounted on the aluminum alloy plastic-lined composite pipe by: a magnet (59) is embedded at the bottom of the abdicating groove (55), and the baffle (52) is made of a magnetic material.

6. The structure of claim 4, wherein the stop valve is mounted on the aluminum alloy plastic-lined composite pipe by: the two end faces of the baffle (52) are in arc shapes.

7. A stop valve mounting structure for use in an aluminum alloy plastic-lined composite pipe as claimed in claim 1, wherein: the connecting assembly (5) is provided with a plurality of connecting assemblies (5) which are distributed around the circumference of the axis of the first flange plate (3).

8. A stop valve mounting structure for use in an aluminum alloy plastic-lined composite pipe as claimed in claim 7, wherein: one end of the inserted rod (51) facing the valve body (1) is provided with a linkage ring (6) sleeved on the valve body (1); the inserted rod (51) on each connecting component (5) is fixedly connected to the linkage ring (6).