CN219221347U

CN219221347U - Ball valve for industrial fluid delivery

Info

Publication number: CN219221347U
Application number: CN202320250568.3U
Authority: CN
Inventors: 伍永明
Original assignee: Changzhou Taiying Plastic Technology Co ltd
Current assignee: Changzhou Taiying Plastic Technology Co ltd
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-06-20
Anticipated expiration: 2033-02-20

Abstract

The utility model discloses a ball valve for industrial fluid delivery, and relates to the technical field of ball valves. The utility model comprises a ball valve body and a ball valve core rotatably arranged in the ball valve body; the positioning piece comprises a sealing cover, a fixed pipe and a sliding rod, wherein the fixed pipe and the sliding rod are fixed on the inner bottom surface of the sealing cover; the peripheral side surface of the sliding rod is fixedly connected with a first piston; the first piston is in sliding fit with the fixed tube; an extrusion spring is arranged between the first piston and the fixed pipe; the second piston is arranged at the bottom of the sliding rod; the ball valve body comprises a spherical valve seat; the top in the spherical valve seat is provided with a connecting pipe; the second piston is in sliding fit with the connecting pipe. According to the utility model, through the arrangement of the positioning piece and the plug-in cooperation of the second piston with the flow equalizing hole and the flow communicating hole respectively, the accurate positioning of the ball valve core is realized by cooperating with the extrusion spring, the rotating angle of the valve rod is controlled by replacing the traditional controller, the actual fluid conveying requirement is met, the structure is simple, the operation is convenient, and the input cost is reduced.

Description

Ball valve for industrial fluid delivery

Technical Field

The utility model belongs to the technical field of ball valves, and particularly relates to a ball valve for industrial fluid delivery.

Background

The ball valve, the opening and closing piece (ball) is driven by the valve rod and rotates around the axis of the valve rod, the three-way ball valve is often used for fluid diversion or confluence in the industrial fluid conveying process, and the three-way ball valve is of T type and L type. The T-shaped pipeline can enable three orthogonal pipelines to be communicated with each other and cut off a third channel, so as to play roles in diversion and confluence; the L-shaped pipeline can only connect two mutually orthogonal pipelines, can not simultaneously keep the mutual communication of the third pipeline, and only plays a role in distribution.

In the industrial fluid conveying process, the most common conveying requirement is to cut off one of the two groups of fluid outlet pipes, so that one-way conveying of fluid is realized, or the rotation angle of the valve rod is controlled, so that flow equalizing conveying of the two groups of fluid outlet pipes is realized, however, the existing T-shaped three-way ball valve is often required to be matched with a controller for use, so that the valve rod can be accurately driven to rotate, the structure is complex, and the input cost is increased.

Disclosure of Invention

The utility model aims to provide a ball valve for industrial fluid transportation, which is characterized in that through the arrangement of a positioning piece, a second piston is respectively matched with a flow equalizing hole and a flow circulating hole in a plugging manner and matched with an extrusion spring, so that the accurate positioning of a ball valve core is realized, the rotating angle of a valve rod is controlled by a traditional controller, the actual fluid transportation requirement is met, the structure is simple, the operation is convenient, and the input cost is reduced.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a ball valve for industrial fluid delivery, which comprises a ball valve body and a ball valve core rotatably arranged in the ball valve body; a positioning member, the positioning member comprising: a sealing cover and a fixing tube fixed on the inner bottom surface thereof; the periphery of the sliding rod is fixedly connected with a first piston; the first piston is in sliding fit with the fixed tube; an extrusion spring is fixedly connected between the first piston and the fixed pipe; the second piston is fixedly arranged at the bottom of the sliding rod; the ball valve body includes: a spherical valve seat; a connecting pipe penetrates through the inner top of the spherical valve seat; the second piston is in sliding fit with the connecting pipe.

As a preferred technical solution of the present utility model, the ball valve body further includes: the fluid inlet pipe penetrates through the inner bottom surface of the spherical valve seat; the two fluid outlet pipes are symmetrically arranged on the peripheral side surface of the spherical valve seat in a penetrating way; the fluid inlet pipe and the two fluid outlet pipe are respectively provided with a connecting flange on the peripheral side surfaces.

As a preferable technical scheme of the utility model, an L-shaped diversion trench is formed in the ball valve core.

As a preferable technical scheme of the utility model, the peripheral side surface of the ball valve core is provided with a flow equalizing hole; the flow equalization holes are positioned on the corner extension lines of the L-shaped diversion trenches; the periphery of the ball valve core is symmetrically provided with flow holes at two sides of the flow equalizing hole; the second piston is respectively in plug-in fit with the flow equalizing hole and the flow communicating hole; the inner bottom surfaces of the flow equalizing holes and the flow communicating holes are fixedly connected with bulges; and the inner bottom surface of the second piston is provided with a sealing hole matched with the bulge.

As a preferable technical scheme of the utility model, the peripheral side surface of the spherical valve seat is symmetrically provided with shaft holes; the peripheral side surface of the ball valve core is symmetrically and fixedly connected with a valve rod; the valve rod is in rotary fit with the shaft hole.

As a preferable technical scheme of the utility model, the sliding rod is in sliding fit with a floating plate; the floating plate is in sliding fit with the fixed pipe; a plurality of water holes are formed in the second piston; the sealing cover is in threaded rotation fit with the fixed pipe.

The utility model has the following beneficial effects:

1. in the initial state, the extrusion spring is in a compressed state, the second piston is driven to prop against the peripheral side surface of the ball valve core, the valve rod is rotated, the ball valve core is driven to rotate, when the flow equalizing hole on the ball valve core rotates to the position right below the fixed pipe, the second piston is driven to be inserted into the flow equalizing hole under the elastic acting force of the extrusion spring, and at the moment, the flow equalizing conveying of the two groups of fluid outlet pipes is realized through the fact that the fluids of the two groups of fluid outlet pipes are consistent.

2. According to the utility model, the second piston is pulled out from the flow equalizing hole by pulling the sliding rod upwards, the valve rod is rotated, the sliding rod is loosened, the second piston is propped against the peripheral side surface of the spherical valve core under the elastic action force of the extrusion spring, and when the flow hole on the spherical valve core rotates to the position right below the fixed pipe, the second piston is driven to be inserted into the flow hole under the elastic action force of the extrusion spring, so that a group of fluid outlet pipes are cut off by the spherical valve core, and unidirectional transportation of fluid is realized.

3. According to the utility model, through the arrangement of the positioning piece, the rotating angle of the valve rod is controlled by replacing the traditional controller, so that the actual fluid conveying requirement is met, the structure is simple, the operation is convenient, and the input cost is reduced.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of a ball valve for industrial fluid delivery according to the present utility model.

Fig. 2 is an enlarged schematic view of the structure at a in fig. 1.

Fig. 3 is a schematic structural view of a ball valve body.

Fig. 4 is a schematic structural view of a ball valve core.

Fig. 5 is a schematic structural diagram of a ball valve core from a top view.

Fig. 6 is a schematic structural view of the positioning member.

In the drawings, the list of components represented by the various numbers is as follows:

the ball valve comprises a ball valve body, a 10-connecting pipe, a 11-fluid inlet pipe, a 12-fluid outlet pipe, a 13-connecting flange, a 14-shaft hole, a 15-spherical valve seat, a 2-spherical valve core, a 20-L-shaped guide groove, a 21-flow equalizing hole, a 22-flow through hole, a 23-bulge, a 24-valve rod, a 3-positioning piece, a 30-sealing cover, a 31-fixing pipe, a 32-sliding rod, a 33-first piston, a 34-extrusion spring, a 35-second piston, a 36-floating plate, a 37-water through hole and a 38-sealing hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

First embodiment:

referring to fig. 1-6, the utility model is a ball valve for industrial fluid delivery, comprising a ball valve body 1, a ball valve core 2 rotatably arranged in the ball valve body, and a positioning piece 3.

A sealing cover 30, a fixing tube 31 fixed on the inner bottom surface thereof, and a sliding rod 32; the side surface of the periphery of the sliding rod 32 is fixedly connected with a first piston 33; the first piston 33 is in sliding fit with the fixed tube 31; an extrusion spring 34 is fixedly connected between the first piston 33 and the fixed pipe 31; the second piston 35, the second piston 35 is fixedly mounted at the bottom of the slide bar 32.

The ball valve body 1 includes: a spherical valve seat 15; a connecting pipe 10 is arranged at the inner top of the spherical valve seat 15 in a penetrating way; the second piston 35 is in sliding engagement with the connection tube 10.

One specific application of this embodiment is: through setting up of setting element 3, through the grafting cooperation of second piston 35 with flow equalizing hole 21, circulation hole 22 respectively, cooperation extrusion spring 34 realizes the accurate location of spheroid case 2, replaces traditional controller control valve rod turned angle, satisfies actual fluid transport demand, simple structure, be convenient for operate, has reduced the input cost.

Specific embodiment II:

on the basis of the first embodiment, the present embodiment is different in that:

as shown in fig. 3 to 5, the ball valve body 1 further includes: a fluid inlet pipe 11 and two fluid outlet pipes 12.

The fluid inlet pipe 11 is arranged on the inner bottom surface of the spherical valve seat 15 in a penetrating way; the two fluid outlet pipes 12 are symmetrically arranged on the peripheral side surface of the spherical valve seat 15 in a penetrating way; the peripheral sides of the fluid inlet pipe 11 and the two fluid outlet pipes 12 are respectively provided with a connecting flange 13; an L-shaped diversion trench 20 is formed in the ball valve core 2; the peripheral side surface of the spherical valve seat 15 is symmetrically provided with shaft holes 14; the side surface of the periphery of the ball valve core 2 is symmetrically and fixedly connected with a valve rod 24; the valve stem 24 is in rotational engagement with the shaft bore 14.

One specific application of this embodiment is: the ball valve core 2 is driven to rotate inside the spherical valve seat by rotating the valve rod 24, so that the L-shaped guide groove 20 is communicated with the corresponding fluid outlet pipe 12, and the fluid inlet pipe 11 and the two fluid outlet pipes 12 are respectively connected to an external fluid inlet pipe and two corresponding fluid outlet pipes by fastening bolts.

Third embodiment:

on the basis of the second embodiment, the difference of this embodiment is that:

as shown in fig. 2, 3, 5 and 6, the periphery of the ball valve core 2 is provided with a uniform flow hole 21; the flow equalizing holes 21 are positioned on the corner extension lines of the L-shaped diversion trenches 20; the periphery of the ball valve core 2 is symmetrically provided with flow holes 22 at two sides of the flow equalizing hole 21; the second piston 35 is respectively in plug-in fit with the flow equalizing hole 21 and the flow communicating hole 22; projections 23 are fixedly connected to the inner bottom surfaces of the flow equalizing holes 21 and the flow communicating holes 22; the inner bottom surface of the second piston 35 is provided with a sealing hole 38 matched with the protrusion 23; the slide bar 32 is slidably fitted with a floating plate 36; the floating plate 36 is in sliding fit with the fixed tube 31; a plurality of water holes 37 are formed in the second piston 35; the sealing cover 30 is in threaded rotation fit with the fixed tube 31.

One specific application of this embodiment is: in the initial state, the extrusion spring 34 is in a compressed state, drives the second piston 35 to prop against the peripheral side surface of the spherical valve core 2, rotates the valve rod 24, drives the spherical valve core 2 to rotate in the spherical valve seat 15, and drives the second piston 35 to be inserted into the flow equalizing hole 21 under the elastic acting force of the extrusion spring 34 when the flow equalizing hole 21 on the spherical valve core 2 rotates to be right below the fixed pipe 31, at the moment, the flow equalizing conveying of the two groups of fluid outlet pipes 12 is realized through the fact that the fluids of the two groups of fluid outlet pipes 12 are consistent; by pulling the slide bar 32 upwards, the second piston 35 is pulled out of the flow equalizing hole 21, the valve rod 24 is rotated, the slide bar 32 is loosened, the second piston 35 is propped against the peripheral side surface of the ball valve core 2 under the elastic force of the extrusion spring 34, when the circulation hole 22 on the ball valve core 2 rotates to be right below the fixed pipe 31, the second piston 35 is driven to be inserted into the circulation hole 22 under the elastic force of the extrusion spring 34, so that a group of fluid outlet pipes 12 are cut off by the ball valve 2 core, and unidirectional transportation of fluid is realized; when the second piston 35 is inserted into the uniform flow hole 21 or the flow hole 22, the fluid remaining in the uniform flow hole 21 or the flow hole 22 is discharged into the connection pipe 10 through the water through hole 37 to float with the floating plate 36, and when the second piston 35 is pulled out of the uniform flow hole 21 or the flow hole 22, the fluid falls into the uniform flow hole 21 or the flow hole 22 from the connection pipe 10 to be carried away.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. A ball valve for industrial fluid delivery comprises a ball valve body (1) and a ball valve core (2) rotatably arranged in the ball valve body;

the method is characterized in that:

a positioning member (3), the positioning member (3) comprising:

a sealing cover (30) and a fixing tube (31) fixed on the inner bottom surface;

the sliding rod (32), the first piston (33) is fixedly connected to the peripheral side surface of the sliding rod (32); the first piston (33) is in sliding fit with the fixed tube (31); an extrusion spring (34) is fixedly connected between the first piston (33) and the fixed pipe (31);

the second piston (35), the said second piston (35) is fixedly installed at the bottom of slide bar (32);

the ball valve body (1) comprises: a spherical valve seat (15); a connecting pipe (10) is arranged at the inner top of the spherical valve seat (15) in a penetrating way; the second piston (35) is in sliding fit with the connecting pipe (10).

2. A ball valve for industrial transportation of fluids according to claim 1, characterized in that the ball valve body (1) further comprises:

a fluid inlet pipe (11), wherein the fluid inlet pipe (11) is arranged on the inner bottom surface of the spherical valve seat (15) in a penetrating way;

two fluid outlet pipes (12), wherein the two fluid outlet pipes (12) symmetrically penetrate through the circumferential side surface of the spherical valve seat (15);

the fluid inlet pipe (11) and the two fluid outlet pipes (12) are respectively provided with a connecting flange (13) on the peripheral side surfaces.

3. A ball valve for industrial fluids according to claim 1, characterized in that the ball valve core (2) is internally provided with an L-shaped channel (20).

4. A ball valve for industrial fluid delivery according to claim 3, characterized in that the peripheral side of the ball valve core (2) is provided with a flow equalizing hole (21); the flow equalizing hole (21) is positioned on the corner extension line of the L-shaped diversion trench (20); the periphery of the ball valve core (2) is symmetrically provided with flow holes (22) at two sides of the flow equalizing hole (21); the second piston (35) is respectively in plug-in fit with the flow equalizing hole (21) and the flow communicating hole (22); the inner bottom surfaces of the flow equalizing hole (21) and the flow communicating hole (22) are fixedly connected with bulges (23); the inner bottom surface of the second piston (35) is provided with a sealing hole (38) matched with the bulge (23).

5. A ball valve for industrial fluid delivery according to claim 1, characterized in that the spherical valve seat (15) is symmetrically provided with shaft holes (14) on the peripheral side; the peripheral side surface of the ball valve core (2) is symmetrically and fixedly connected with a valve rod (24); the valve rod (24) is in rotary fit with the shaft hole (14).

6. A ball valve for industrial fluids according to claim 1, characterized in that said slide bar (32) has a floating plate (36) slidingly fitted thereon; the floating plate (36) is in sliding fit with the fixed pipe (31); a plurality of water holes (37) are formed in the second piston (35); the sealing cover (30) is in threaded rotation fit with the fixed pipe (31).