CN216158838U - Two-way pressure hard-touch hard rotary ball valve - Google Patents

Abstract

The utility model provides a bidirectional pressing hard-touch hard rotary ball valve which comprises a ball valve body, a water inlet block, a water outlet pipe and a return pipe, wherein the ball valve body is provided with a ball valve body; the ball valve comprises a ball valve body, a water inlet block, a water outlet block, a ball valve body, a water outlet block, a water inlet pipe, a water outlet pipe, a connecting pipe, a first water pipe, a second water pipe, a filter screen, a return pipe, a drain hole and a drain hole.

Description

Two-way pressure hard-touch hard rotary ball valve

Technical Field

The utility model relates to the technical field of valves, in particular to a bidirectional pressure hard-to-hard-touch rotary ball valve.

Background

The hard-to-hard bidirectional flow rotary ball valve is the most exquisite ball valve with the highest cost performance in the world, is mainly used for cutting and adjusting a medium, has high durability and cost performance, can be adjusted and broken during forward flow of the medium, can prevent the medium from flowing backwards during pressure difference conversion or maintenance, and has a bidirectional cutting function.

For example, patent application nos.: 202020758145.9 comprises a valve body having a one-piece structure with a cavity, and both ends of the cavity of the valve body are provided with valve ports on the same horizontal axis, and the outer wall of the outer end of the valve port is also provided with threads, the valve port is connected with one end of the filter ring through the threads, the other end of the filter ring is connected with the external pipeline by screw thread, the inner wall of the opening at the two ends of the filter ring is also provided with a sandwich type check chamber, the upper part of the valve body is provided with an opening communicated with the inner hole cavity, the bidirectional pressing hard-to-hard rotary ball valve filters and collects impurity particles in a fluid medium under the action of the filter ring, avoids the occurrence of valve body blockage caused by long-term use and accidents caused by blockage, and through the use of the sandwich type non-return chamber additionally arranged in the filter ring, the phenomenon of countercurrent leakage at the joint of the pipeline caused by the increase of pressure intensity in the process of adjusting and cutting the fluid medium can be effectively prevented.

In view of the above-mentioned related technologies, the inventor believes that when the device cleans the filter screen, the filter ring needs to be detached, and the water needs to be cut off, so that the operation is complicated.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical problems, the utility model provides a bidirectional pressing hard-to-touch rotary ball valve, which aims to solve the problems in the prior art.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a bidirectional pressing hard-touch hard rotary ball valve which comprises a ball valve body, a water inlet block, a water outlet pipe and a return pipe, wherein the ball valve body is provided with a ball valve body; the ball valve comprises a ball valve body, a water inlet block, a water outlet block, a ball valve body, a water inlet pipe, a water outlet pipe, a connecting pipe, a first water pipe, a second water pipe, a filter screen, a third control valve, a return pipe, a drain hole and a drain hole, wherein the connecting pipe is arranged between the water inlet block and the water outlet pipe and between the water inlet block and the ball valve body, the first water pipe and the second water pipe are arranged in the water inlet block, the filter screen is arranged in the first water pipe, the first water pipe and the second water pipe are communicated with the connecting pipe, the first control valve and the second control valve are respectively arranged on the first water pipe and the second water pipe, the third control valve is arranged in the water outlet pipe, the return pipe is arranged between the first water pipe and the water outlet pipe, and the water inlet block is provided with the drain hole which is communicated with the first water pipe.

By adopting the technical scheme, the filter screen can be cleaned through the first control valve, the second control valve, the third control valve and the return pipe, the filter screen is prevented from being blocked, the filter screen is not required to be detached after water supply is cut off, and the working efficiency is improved.

Preferably, the outer wall of the return pipe is provided with a fixing ring, and the fixing ring is movably connected with the ball valve body.

By adopting the technical scheme, the backflow pipe is prevented from being broken due to the influence of gravity through the fixing ring.

Preferably, the water inlet block and the water outlet pipe are both provided with a threaded access pipe, and the first water pipe and the second water pipe are both communicated with the threaded access pipe.

By adopting the technical scheme, the pipe is connected with the pipeline conveniently and quickly through the thread.

Preferably, a switch plug is movably connected in the drainage hole.

By adopting the technical scheme, the water is prevented from leaking from the drain hole when the switch plug works normally.

Preferably, circulation grooves are symmetrically arranged in the return pipe, and circulation blocks are movably connected in the circulation grooves.

By adopting the technical scheme, when normal work is avoided through the circulation block and the circulation groove, water in the first water pipe directly enters the water outlet pipe through the return pipe.

Preferably, install the installation pole in the backward flow pipe, a spacing section of thick bamboo is installed to the installation pole, spacing post is installed to the circulation piece, spacing post with a spacing swing joint.

By adopting the technical scheme, the moving track of the circulation block is limited by the limiting column and the limiting cylinder, so that the flow block is prevented from being stuck by deviation when moving.

The technical scheme has the following advantages or beneficial effects:

1. through first control valve, second control valve, third control valve and back flow, can wash the filter screen, avoid the filter screen to block up, and need not cut off the water and dismantle, improved work efficiency.

2. The pipe is connected into the pipeline through the screw thread, so that the pipe is conveniently and quickly connected with the pipeline.

3. The circulation block and the circulation groove prevent water in the first water pipe from directly entering the water outlet pipe through the return pipe during normal work.

Drawings

The utility model and its features, aspects and advantages will become more apparent from reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the utility model.

FIG. 1 is a schematic structural diagram provided in example 1 of the present invention;

FIG. 2 is a sectional view provided in example 1 of the present invention;

FIG. 3 is an enlarged view of region a provided in example 1 of the present invention;

fig. 4 is an enlarged view of region b provided in example 1 of the present invention.

In the figure: 1. a ball valve body; 11. a connecting pipe; 2. a water inlet block; 21. a first water pipe; 211. a first control valve; 212. filtering with a screen; 22. a second water pipe; 221. a second control valve; 23. a drain hole; 231. a switch plug; 3. a water outlet pipe; 31. the thread is connected into the pipe; 32. a third control valve; 4. a return pipe; 41. a circulation tank; 42. a flow-through block; 421. a limiting column; 43. mounting a rod; 431. a limiting cylinder; 44. and (4) fixing the ring.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

As used herein, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in the positional or orientational relationship illustrated in the figures to facilitate the description of the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the utility model.

The appearances of the terms first, second, and third, if any, are used for descriptive purposes only and are not intended to be limiting or imply relative importance.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention are described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the utility model without making creative efforts, belong to the protection scope of the utility model.

Example 1:

as shown in fig. 1-4, a bidirectional pressing hard-to-hard rotary ball valve comprises a ball valve body 1, a water inlet block 2, a water outlet pipe 3 and a return pipe 4; the ball valve comprises a ball valve body 1, a water inlet block 2, a water outlet pipe 3, a connecting pipe 11, a first water pipe 21 and a second water pipe 22, a filter screen 212, a first water pipe 21, a second water pipe 22, a first control valve 211 and a second control valve 221, a third control valve 32, a return pipe 4, a drain hole 23 and a water outlet pipe 21, wherein the connecting pipe 11 is installed between the water inlet block 2 and the water outlet pipe 3, the first water pipe 21 and the second water pipe 22 are installed in the water inlet block 2, the first water pipe 21 and the second water pipe 22 are respectively provided with the first control valve 211 and the second control valve 221, the third control valve 32 is installed in the water outlet pipe 3, the return pipe 4 is installed between the first water pipe 21 and the water outlet pipe 3, the water inlet block 2 is provided with the drain hole 23, and the first water pipe 21 are communicated.

As shown in FIG. 1, a fixing ring 44 is mounted on the outer wall of the return pipe 4, and the fixing ring 44 is movably connected with the ball valve body 1.

As shown in fig. 2, the water inlet block 2 and the water outlet pipe 3 are both provided with a threaded access pipe 31, and the first water pipe 21 and the second water pipe 22 are both communicated with the threaded access pipe 31.

As shown in fig. 2 and 3, a switch plug 231 is movably connected to the drain hole 23.

As shown in fig. 2 and 4, the return pipe 4 is symmetrically provided with a circulation groove 41 therein, the circulation groove 41 is movably connected with a circulation block 42 therein, the return pipe 4 is internally provided with an installation rod 43, the installation rod 43 is provided with a limiting cylinder 431, the circulation block 42 is provided with a limiting column 421, and the limiting column 421 is movably connected with the limiting cylinder 431.

In summary, the present invention provides a bidirectional hard-to-press hard-to-touch rotary ball valve, which has the following specific embodiments:

during normal operation, the first control valve 211 and the third control valve 32 are opened, the switch plug 231 is located in the drain hole 23, water enters the first water pipe 21 and enters the filter screen 212 to be filtered and then sequentially enters the ball valve body 1 and the water outlet pipe 3 to complete circulation, impurities begin to accumulate on the filter screen 212, when the filter screen 212 needs to be cleaned, the first control valve 211 and the third control valve 32 are closed, the second control valve 221 is opened, the switch plug 231 is taken out, at the moment, the water sequentially enters the ball valve body 1 and the water outlet pipe 3 from the second water pipe 22, because the third control valve 32 is closed, the water enters the first water pipe 21 through the return pipe 4 after entering the water outlet pipe 3, the filter screen 212 is cleaned in the opposite direction, the impurities accumulated on the filter screen 212 are flushed down to enter the filter screen 212 to enter the water, the water is carried with the impurities and is discharged from the drain hole 23 to the water inlet block 2, and cleaning is completed.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, are included in the scope of the present invention.

Claims (6)

1. The utility model provides a hard ball valve that revolves is bumped firmly to two-way pressure which characterized in that: comprises a ball valve body (1), a water inlet block (2), a water outlet pipe (3) and a return pipe (4);

the ball valve is characterized in that a connecting pipe (11) is arranged between the water inlet block (2) and the water outlet pipe (3) and the ball valve body (1), a first water pipe (21) and a second water pipe (22) are arranged in the water inlet block (2), a filter screen (212) is arranged in the first water pipe (21), the first water pipe (21) and the second water pipe (22) are communicated with the connecting pipe (11), a first control valve (211) and a second control valve (221) are respectively arranged on the first water pipe (21) and the second water pipe (22), a third control valve (32) is arranged in the water outlet pipe (3), a return pipe (4) is arranged between the first water pipe (21) and the water outlet pipe (3), a drain hole (23) is formed in the water inlet block (2), and the drain hole (23) is communicated with the first water pipe (21).

2. The bi-directional hard-to-press hard-to-catch rotary ball valve as claimed in claim 1, wherein: the outer wall of the return pipe (4) is provided with a fixing ring (44), and the fixing ring (44) is movably connected with the ball valve body (1).

3. The bi-directional hard-to-press hard-to-catch rotary ball valve as claimed in claim 1, wherein: go into water piece (2) with outlet pipe (3) all install screw thread access pipe (31), first water pipe (21) with second water pipe (22) all with screw thread access pipe (31) intercommunication.

4. The bi-directional hard-to-press hard-to-catch rotary ball valve as claimed in claim 1, wherein: a switch plug (231) is movably connected in the drain hole (23).

5. The bi-directional hard-to-press hard-to-catch rotary ball valve as claimed in claim 1, wherein: circulation grooves (41) are symmetrically arranged in the return pipe (4), and circulation blocks (42) are movably connected in the circulation grooves (41).

6. The bi-directional hard-to-press hard-to-touch rotary ball valve as claimed in claim 5, wherein: install installation pole (43) in back flow (4), spacing section of thick bamboo (431) are installed in installation pole (43), spacing post (421) are installed in circulation piece (42), spacing post (421) with spacing section of thick bamboo (431) swing joint.

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