CN217271924U

CN217271924U - Throttle stop valve structure made of ceramic material under working condition of sand-containing fluid

Info

Publication number: CN217271924U
Application number: CN202221114454.8U
Authority: CN
Inventors: 黄林川
Original assignee: Sichuan Whist Energy Equipment Co Ltd
Current assignee: Sichuan Whist Energy Equipment Co Ltd
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2022-08-23
Anticipated expiration: 2032-05-11

Abstract

The utility model discloses a throttle stop valve structure of ceramic material under sand-containing fluid operating mode, including fixed casing, second case and fixed connection cover, the lower extreme at first case is installed to the second case, and the side of second case is the slope setting, the fixed connection cover sets up in the below of second case, and fixed connection cover is used for installing spacingly to the second case. This contain throttle stop valve structure of ceramic material under sand fluid operating mode, in whole course of the work, the up-and-down motion of second case only plays the effect that changes the circulation sectional area, and not mutual contact between second case and the second valve base, prevent that the valve is in the course of the work, because mutual extruded stress leads to ceramic material to take place the brittle failure between second case and the second valve base, the practicality is high, combine the threaded connection between fixed connection piece and the fixed connection cover simultaneously, be convenient for install spacingly to the second valve core.

Description

Throttle stop valve structure made of ceramic material under working condition of sand-containing fluid

Technical Field

The utility model relates to a throttle stop valve correlation technique field specifically is a throttle stop valve structure of ceramic material under sand-laden fluid operating mode.

Background

The throttle stop valve is a kind of throttle valve, is a kind of sealed valve body with regulating action, usually assembled by parts such as valve stem, valve core and valve base, and cooperate each other among every part, seal through mutual extrusion between valve core end and the valve base, and valve core and valve base usually adopt the ceramic material, use very extensively;

however, in the actual use process of the throttle stop valve, the valve core and the valve seat are made of ceramic materials, and the ceramic materials are wear-resistant and fragile, are easy to crack and damage, and affect the use of the whole valve body;

therefore, a throttling stop valve structure made of ceramic materials under the working condition of the sand-containing fluid is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a throttle stop valve structure of ceramic material under sand-containing fluid operating mode to solve the common throttle stop valve that proposes in the above-mentioned background art in the in-service use, because case and disk seat adopt the ceramic material preparation to form, and the wear-resisting fragile of ceramic material takes place brittle failure easily, influences the use of whole valve body, and the installation of case is not fastened simultaneously, the problem that the easy pine takes off.

In order to achieve the above object, the utility model provides a following technical scheme: a throttling stop valve structure made of ceramic materials under the working condition of sand-containing fluid comprises a fixed shell, wherein an inlet is formed in the left end of the fixed shell, and an outlet is formed in the lower end of the fixed shell;

further comprising:

the second valve core is arranged at the lower end of the first valve core, the side surface of the second valve core is obliquely arranged, the diameter size of the lower end of the second valve core is smaller than the inner diameter size of the second valve seat, and the diameter size of the upper end of the second valve core is larger than the inner diameter size of the second valve seat;

and the fixed connecting sleeve is arranged below the second valve core and is used for installing and limiting the second valve core.

Preferably, the upper end of the first valve core is fixedly connected with a valve rod in a vertical state, the first valve core is inserted in the middle of the valve core sleeve, and the valve core sleeve is arranged inside the upper end of the fixed shell;

by adopting the technical scheme, the valve rod in a vertical state is fixedly connected with the upper end of the first valve core, the first valve core is inserted in the middle of the valve core sleeve, and the valve core sleeve is arranged in the upper end of the fixed shell, so that the first valve core can move more stably in the fixed shell.

Preferably, the first valve core is connected inside the fixed shell in a penetrating manner, the first valve core drives the second valve core to move up and down inside the fixed shell through the valve rod, and the second valve core and the second valve seat are both made of ceramic materials;

a sealing ring is arranged at the joint of the second valve seat and the fixed shell;

by adopting the technical scheme, the first valve core is connected inside the fixed shell in a penetrating manner, the first valve core drives the second valve core to move up and down inside the fixed shell through the valve rod, and the second valve core and the second valve seat are both made of ceramic materials;

and a sealing ring is arranged at the joint of the second valve seat and the fixed shell, so that the service life of the second valve core and the second valve seat is prolonged.

Preferably, the lower end of the second valve core is fixedly connected with a fixed connecting block, the fixed connecting block is connected with the fixed connecting sleeve in a threaded manner, and the upper end of the fixed connecting sleeve is attached to the lower side surface of the second valve core;

adopt above-mentioned technical scheme, lower extreme fixedly connected with fixed connection piece through the second case, and be connected through the mode of screw thread between fixed connection piece and the fixed connection cover to the laminating setting is personally submitted with the lower side of second case in the upper end of fixed connection cover, is convenient for install spacingly to the second case.

Preferably, the second valve seat is fixedly connected inside the fixed shell, the second valve seat is attached to the lower end of the first valve seat, and the first valve seat is fixedly connected with the fixed shell;

adopt above-mentioned technical scheme, through second disk seat fixed connection in the inside of fixed casing, and the laminating of second disk seat sets up the lower extreme at first disk seat to fixed connection between first disk seat and the fixed casing, laminating each other between second disk seat and the first disk seat, stability is good.

Compared with the prior art, the beneficial effects of the utility model are that: in the throttle stop valve structure made of ceramic materials under the working condition of the sand-containing fluid, in the actual use process, a certain distance is set between the first valve core and the second valve core, and meanwhile, when the first valve core is in contact sealing with the first valve seat, a smaller distance still exists between the second valve core and the second valve seat;

1. the valve rod drives the first valve core to move in the fixed shell, so that the opening and closing of the whole valve body of the control column can be controlled very conveniently, and the movement of the first valve core in the fixed shell is more stable by combining the arrangement of the valve core sleeve;

2. the valve is provided with a second valve core and a second valve seat, the diameter size of the lower end of the second valve core is smaller than the inner diameter size of the second valve seat, and the diameter size of the upper end of the second valve core is larger than the inner diameter size of the second valve seat, so that the ceramic material is prevented from being brittle and cracked due to the stress of mutual extrusion between the second valve core and the second valve seat in the working process of the valve, and the service life of the valve is prolonged;

3. be equipped with fixed connection piece and fixed connection cover, fixed connection piece fixed connection is at the lower extreme of second case, through the threaded connection between fixed connection piece and the fixed connection cover for the lower extreme of second case is being laminated to the fixed connection cover, and it is spacing to install the second case that can be very convenient.

Drawings

FIG. 1 is a front view of the cutting structure of the present invention;

FIG. 2 is a front view of the cutting structure of the utility model in a closed state;

fig. 3 is an orthographic view of the second valve core and the second valve seat of the present invention in a closed state and a sectional structure.

In the figure: 1. a stationary housing; 2. an inlet port; 3. an outlet; 4. a valve stem; 5. a first valve spool; 6. a valve core sleeve; 7. a second valve core; 8. fixing a connecting block; 9. fixing the connecting sleeve; 10. a first valve seat; 11. a second valve seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a throttle stop valve structure of ceramic material under sand-laden fluid operating mode, includes fixed casing 1, inlet port 2, export 3, valve rod 4, first case 5, case cover 6, second case 7, fixed connection piece 8, fixed connection cover 9, first disk seat 10 and second valve seat 11.

When the throttling stop valve structure made of ceramic materials is used under the working condition of the sand-containing fluid, as shown in fig. 1, an inlet 2 is arranged at the left end of a fixed shell 1, an outlet 3 is arranged at the lower end of the fixed shell 1, a valve core sleeve 6 is arranged inside the fixed shell 1, a first valve core 5 is inserted in the middle of the valve core sleeve 6, a valve rod 4 in a vertical state is fixedly connected to the upper end of the first valve core 5, a second valve core 7 is arranged at the lower end of the valve rod 4, a fixed connecting block 8 with threads on the outer surface is fixedly connected to the lower end of the second valve core 7, and a fixed connecting sleeve 9 connected to the outer surface of the fixed connecting block 8 through rotating threads enables the fixed connecting sleeve 9 to be attached to the lower surface of the second valve core 7, the second valve core 7 is fixedly installed through the fixed connecting sleeve 9, and the tightness is good;

a second valve seat 11 is fixedly connected to the inside of the fixed housing 1, the second valve seat 11 is attached to the lower end of the first valve seat 10, the side surface of the second valve core 7 is obliquely arranged, the second valve core 7 and the second valve seat 11 are made of ceramic materials, the diameter of the lower end of the second valve core 7 is smaller than the inner diameter of the second valve seat 11, the diameter of the upper end of the second valve core 7 is larger than the inner diameter of the second valve seat 11, the first valve core 5 is driven by the valve rod 4 to move in the fixed housing 1, and the first valve core 5 drives the second valve core 7 to move downwards, so that the second valve core 7 and the second valve seat 11 are in a state as shown in fig. 2 and fig. 3;

and there is the distance of removal between first case 5 and the second case 7, when contact is sealed between first case 5 and the first valve seat 10, there is less distance between second case 7 and the second valve seat 11, make in whole sealed working process, do not take place to contact between second case 7 and the second valve seat 11, second case 7 reciprocates in the inside of fixed casing 1 simultaneously, only play the effect that changes the flow cross section, can prevent effectively that the stress of mutual extrusion between second case 7 and the second valve seat 11 from leading to the ceramic material to take place the brittle failure, and the practicality is high.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A throttling stop valve structure made of ceramic materials under the working condition of sand-containing fluid comprises a fixed shell (1), wherein an inlet (2) is formed in the left end of the fixed shell (1), and an outlet (3) is formed in the lower end of the fixed shell (1);

it is characterized by also comprising:

the second valve core (7) is installed at the lower end of the first valve core (5), the side face of the second valve core (7) is obliquely arranged, the diameter size of the lower end of the second valve core (7) is smaller than the inner diameter size of the second valve seat (11), and the diameter size of the upper end of the second valve core (7) is larger than the inner diameter size of the second valve seat (11);

the fixed connecting sleeve (9) is arranged below the second valve core (7), and the fixed connecting sleeve (9) is used for installing and limiting the second valve core (7).

2. The throttle stop valve structure of ceramic material under the sand-containing fluid working condition of claim 1, characterized in that: the upper end of the first valve core (5) is fixedly connected with a valve rod (4) which is in a vertical state, the first valve core (5) is inserted in the middle of the valve core sleeve (6), and the valve core sleeve (6) is installed inside the upper end of the fixed shell (1).

3. The throttle stop valve structure of ceramic material under the sand-containing fluid working condition of claim 2, characterized in that: the first valve core (5) is connected inside the fixed shell (1) in a penetrating mode, the first valve core (5) drives the second valve core (7) to move up and down inside the fixed shell (1) through the valve rod (4), and the second valve core (7) and the second valve seat (11) are both made of ceramic materials;

and a sealing ring is arranged at the joint of the second valve seat (11) and the fixed shell (1).

4. The throttle stop valve structure of ceramic material under sand-containing fluid operating mode of claim 3, characterized in that: the lower end of the second valve core (7) is fixedly connected with a fixed connecting block (8), the fixed connecting block (8) is connected with a fixed connecting sleeve (9) in a threaded mode, and the upper end of the fixed connecting sleeve (9) is attached to the lower side surface of the second valve core (7).

5. The throttle stop valve structure of ceramic material under sand-containing fluid operating mode of claim 1, characterized in that: the second valve seat (11) is fixedly connected inside the fixed shell (1), the second valve seat (11) is attached to the lower end of the first valve seat (10), and the first valve seat (10) is fixedly connected with the fixed shell (1).