CN215635023U - High-performance angle stop valve - Google Patents

Abstract

The application discloses high performance angle formula stop valve, including first casing, second casing, threaded rod, sealing mechanism and filtering mechanism, sealing mechanism includes sliding sleeve, connecting plate, slide bar and spring, second casing inner wall fixed surface connects the second rubber pad, second rubber pad inner wall fixed surface connects the sliding sleeve, sliding sleeve inner wall fixed surface connects the spring, spring one end fixed connection slide bar, slide bar one end fixed connection connecting plate, connecting plate outer wall fixed surface connects the closing plate. Inside the push pedal inserts the second rubber pad through the threaded rod promotion, and the sealed version of extrusion, make the closing plate drive the slide bar and slide at the sliding sleeve inner wall, and extension spring, through fixing the spring inside the sliding sleeve, surface spring direct contact water makes spring corrosion reduce life.

Description

High-performance angle stop valve

Technical Field

The application relates to the stop valve field, especially high performance angle formula stop valve.

Background

The stop valve, also called stop valve, is one of the most widely used valves, and it is popular because the friction between the sealing surfaces is small in the opening and closing process, it is durable, the opening height is not large, it is easy to manufacture, it is convenient to maintain, it is not only suitable for middle and low pressure, but also for 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.

The existing stop valve is in a strong corrosive environment, a sealing pair of the common stop valve is easy to lose efficacy, so that the leakage condition is caused, liquid cannot be preliminarily filtered, particles are adsorbed inside the valve body, the corrosion inside the valve body is caused, and the service life of the valve is shortened. Therefore, a high-performance angle stop valve is proposed to address the above problems.

Disclosure of Invention

The high-performance angle stop valve is provided in the embodiment and used for solving the problem that a sealing pair of a common stop valve easily fails in a strong corrosive environment of the stop valve in the prior art.

According to one aspect of the present application, a high performance angle shut-off valve is provided, comprising a first housing, a second housing, a threaded rod, a sealing mechanism, and a filtering mechanism;

the sealing mechanism comprises a sliding sleeve, a connecting plate, a sliding rod and a spring, wherein a second rubber pad is fixedly connected to the surface of the inner wall of the second shell, the sliding sleeve is fixedly connected to the surface of the inner wall of the second rubber pad, the spring is fixedly connected to the surface of the inner wall of the sliding sleeve, one end of the spring is fixedly connected with the sliding rod, one end of the sliding rod is fixedly connected with the connecting plate, and the surface of the outer wall of the connecting plate is fixedly connected with a sealing plate;

the filter mechanism comprises a fixing plate, a support frame and a filter screen, the outer wall surface of the bottom end of the second shell is fixed and intercepted with the liquid inlet, the outer wall surface of the liquid inlet is fixedly connected with the fixing plate, the inner wall surface of the fixing plate is connected with the support frame in a sliding mode, and the outer wall surface of the support frame is fixedly connected with the filter screen.

Further, the surface of the outer wall of the top end of the second shell is fixedly connected with the liquid outlet, and the surface of the outer wall of the top end of the second shell is fixedly connected with the first shell through a bolt.

Furthermore, the surface of the inner wall of the first shell is rotatably connected with a threaded rod, one end of the threaded rod is fixedly connected with the rotary table, the surface of the outer wall of the threaded rod is rotatably connected with a shaft seal, and one end of the threaded rod is fixedly connected with the push plate.

Furthermore, a sliding groove is formed in the surface of the outer wall of the first shell.

Furthermore, the surface of the outer wall of the support frame is fixedly connected with a second rubber pad, and the surface of the outer wall of the second rubber pad is fixedly connected with the liquid inlet.

Through the above embodiment of the application, the first shell, the second shell, the threaded rod, the sealing mechanism and the filtering mechanism are adopted, the sealing mechanism comprises the sliding sleeve, the connecting plate, the sliding rod and the spring, the surface of the inner wall of the second shell is fixedly connected with the second rubber pad, the surface of the inner wall of the second rubber pad is fixedly connected with the sliding sleeve, the surface of the inner wall of the sliding sleeve is fixedly connected with the spring, one end of the spring is fixedly connected with the sliding rod, one end of the sliding rod is fixedly connected with the connecting plate, the surface of the outer wall of the connecting plate is fixedly connected with the sealing plate, the filtering mechanism comprises the fixing plate, the supporting frame and the filtering net, the outer wall surface of the bottom end of the second shell is fixedly intercepted by the liquid inlet, the surface of the outer wall of the liquid inlet is fixedly connected with the fixing plate, the surface of the inner wall of the fixing plate is slidably connected with the supporting frame, the surface of the outer wall of the supporting frame is fixedly connected with the filtering net, and the situation that the stop valve is in a strong corrosion environment is solved, the sealed vice easy inefficacy's of ordinary stop valve problem has obtained through the threaded rod promote inside the push pedal inserts the second rubber pad, and the extrusion seal version, makes the closing plate drive the slide bar and slide at the sliding sleeve inner wall, and extension spring, the effect.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall perspective view of an embodiment of the present application;

FIG. 2 is a schematic diagram of the overall internal structure of an embodiment of the present application;

fig. 3 is a schematic view of a portion a of fig. 2 according to an embodiment of the present disclosure.

In the figure: 1. the device comprises a first shell, a second shell, a third shell, a fourth shell, a fifth shell, a sixth shell, a seventh shell, a sixth shell, a connecting plate, a sliding sleeve, 11, a spring, a connecting plate, 14, a sliding sleeve, 11, a spring, a liquid outlet, a liquid inlet, a liquid outlet, a 16, a liquid inlet, a fixing plate, a liquid inlet, a fixing plate, a liquid inlet, a 17, a filter screen, a connecting plate, a supporting frame, a liquid outlet, a liquid inlet, a liquid outlet, a liquid inlet, a filter screen, a liquid inlet, and a filter screen.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The sealing mechanism in the present embodiment can be applied to various shut valves, for example, the following shut valve is provided in the present embodiment, and the present embodiment can be used to install the following shut valve.

This double screw mechanism includes: valve body, valve rod, valve gap, pressure cap and valve plug, the valve rod once passes and presses cap and valve gap, and the valve rod penetrate in the valve body with valve plug fixed connection, be equipped with inlet channel and outlet channel in the valve body, inlet channel's inner wall is equipped with the first current-limiting piece of L shape, outlet channel's inner wall is equipped with the second current-limiting piece of L shape, and constitutes the connector that communicates inlet channel and outlet channel between first current-limiting piece and the second current-limiting piece, still be equipped with current limiting device in the valve body, the position that first current-limiting piece and second current-limiting piece are close to the connector is equipped with the seal groove, be equipped with the sealing washer in the seal groove, the sealing washer can contradict with the lateral wall of connector. When cutting off the water source for valve plug and connector tightly close, because the valve plug receives water pressure when extrudeing, water pressure can promote the valve plug and remove, when the valve plug removed, the sealing washer of L shape current-limiting piece terminal surface setting can effectual and connector contact, thereby can effectually play sealed effect.

The flow limiting device comprises a first positioning groove, a second positioning groove, a spring and a ball, wherein the spring and the ball are in a compression state, the first positioning groove is located at the bottom end of the valve cover, the second positioning groove is located at the top end of the valve plug and corresponds to the first positioning groove, the two ends of the spring are located in the first positioning groove and the second positioning groove respectively, the ball is located in the second positioning groove and is in rolling connection with the second positioning groove, and the two ends of the spring are in contact with the first positioning groove and the ball respectively. When cutting off the water source, make valve plug and connector tightly close, because the valve plug receives water pressure when extrudeing, water pressure can promote the valve plug and remove, spring and ball through compression state can promote the valve plug and remove to the connector orientation, because the thrust of the spring that receives compression state, thereby the effectual valve plug of having guaranteed is inseparabler with the connector connection, make can not appear the gap between valve plug and the connector, sealed effect is better, and simultaneously, contact between sealing washer on the L shape current-limiting piece and the connector, make sealed play dual protection, thereby guaranteed that the valve plug can be complete realize cutting off the water, finally stop extravagant water resource.

The diameter of valve plug is by the one end towards the connector toward the other end grow gradually, when cutting off the water, the diameter of valve plug has played the effect of direction, convenient connection by the one end H towards the connector toward other end H grow gradually and be connected with the connector.

The valve rod is equipped with the annular groove with the junction of valve gap, be equipped with the seal in the annular groove, be equipped with annular holding tank on the seal, lateral wall one side of annular holding tank is equipped with a plurality of arch along the circumference equidistance, still be equipped with circular steel ring in the annular holding tank, circular steel ring contradicts with the lateral wall opposite side conflict of the bellied peak of a plurality of and annular holding tank respectively and is connected. The annular holding tank has been seted up on this seal, lateral wall one side of this annular holding tank is provided with a plurality of arch along the circumference equidistance, be provided with circular steel ring in the annular holding tank, this circular steel ring is contradicted with the lateral wall opposite side of the bellied peak of a plurality of and annular holding tank respectively and is connected, when the sealing washer receives the valve rod promotion in the use, the sealing washer can receive the extrusion, it has a stronger power that resets to drive the sealing washer under the protruding and circular steel ring cooperation of a plurality of, thereby further assurance the junction of valve rod and valve gap is inseparabler, the phenomenon of leaking has also further been avoided appearing in the junction of valve rod and valve gap in the use.

Of course, the present embodiment can also be used for a shut-off valve installed in other structures. The following description is not repeated herein, and the sealing mechanism according to the embodiment of the present application will be described.

Referring to fig. 1-3, the high-performance angle stop valve includes a first housing 1, a second housing 5, a threaded rod 3, a sealing mechanism and a filtering mechanism;

the sealing mechanism comprises a sliding sleeve 10, a connecting plate 13, a sliding rod 12 and a spring 11, wherein the surface of the inner wall of the second shell 5 is fixedly connected with a second rubber pad 9, the surface of the inner wall of the second rubber pad 9 is fixedly connected with the sliding sleeve 10, the surface of the inner wall of the sliding sleeve 10 is fixedly connected with the spring 11, one end of the spring 11 is fixedly connected with the sliding rod 12, one end of the sliding rod 12 is fixedly connected with the connecting plate 13, and the surface of the outer wall of the connecting plate 13 is fixedly connected with a sealing plate 14;

the filtering mechanism comprises a fixing plate 17, a supporting frame 18 and a filtering net 19, the outer wall surface of the bottom end of the second shell 5 is fixedly intercepted with a liquid inlet 16, the outer wall surface of the liquid inlet 16 is fixedly connected with the fixing plate 17, the inner wall surface of the fixing plate 17 is connected with the supporting frame 18 in a sliding mode, the outer wall surface of the supporting frame 18 is fixedly connected with the filtering net 19, a push plate 8 is pushed by a threaded rod 3 to be inserted into the second rubber pad 9, the sealing plate is extruded, the sealing plate 14 drives a sliding rod 12 to slide on the inner wall of the sliding sleeve 10, the spring 11 is stretched, the spring 11 is fixed inside the sliding sleeve 10, and the surface spring 11 is in direct contact with water, so that the corrosion of the spring 11 is reduced, and the service life is prolonged;

the outer wall surface of the second shell 5 is fixedly connected with a liquid outlet 15, the outer wall surface of the top end of the second shell 5 is fixedly connected with the first shell 1 through a bolt, the inner wall surface of the first shell 1 is connected with a threaded rod 3 in a rotating mode, one end of the threaded rod 3 is fixedly connected with a turntable 4, the outer wall surface of the threaded rod 3 is connected with a shaft seal 7 in a rotating mode, one end of the threaded rod 3 is fixedly connected with a push plate 8, a sealing plate 14 is convenient to push to move, a sliding groove 2 is formed in the outer wall surface of the first shell 1, a second rubber pad 9 is fixedly connected with the outer wall surface of a support frame 18, and the outer wall surface of the second rubber pad 9 is fixedly connected with a liquid inlet 16.

When the utility model is used, the valve is connected with a water pipe, the threaded rod 3 is driven to rotate by the rotary turntable 4, the push plate 8 is pushed to move, the valve is convenient to control to be opened and closed, the push plate 8 is pushed to be inserted into the second rubber pad 9 by the threaded rod 3, the sealing plate is extruded, the sealing plate 14 drives the sliding rod 12 to slide on the inner wall of the sliding sleeve 10, the spring 11 is stretched, the spring 11 is fixed inside the sliding sleeve 10 by the spring 11, the surface spring 11 is directly contacted with water, the spring 11 is corroded, the service life is reduced, the fixed plate 17 is fixedly connected with the liquid inlet 16, the supporting frame 18 is connected with the inner wall of the fixed plate 17 in a sliding way, the outer wall of the supporting frame 18 is provided with the filter screen 19, impurities and particles in water are conveniently filtered and prevented from being adsorbed on the surface of the sealing plate 14, the supporting frame 18 slides out of the inner wall of the fixed plate 17, the filter element is convenient to be replaced and cleaned, the sliding groove 2 is arranged on the first shell 1, lubricating oil can be conveniently filled between the threaded rod 3 and the first shell 1.

The application has the advantages that:

1. the push plate is pushed by the threaded rod to be inserted into the second rubber pad, the sealing plate is extruded, the sealing plate drives the sliding rod to slide on the inner wall of the sliding sleeve, the spring is stretched, the spring is fixed inside the sliding sleeve, and the surface spring directly contacts water, so that the corrosion of the spring is reduced, and the service life of the spring is shortened;

2. through at inlet fixed connection fixed plate, and at fixed plate inner wall sliding connection support frame, and the support frame outer wall sets up the filter screen, be convenient for filter impurity and the granule of aquatic, prevent to adsorb on the closing plate surface, and through with the support frame from the fixed plate inner wall roll-off, be convenient for change and wash the filter core.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (5)

1. High performance angle formula stop valve, its characterized in that: comprises a first shell (1), a second shell (5), a threaded rod (3), a sealing mechanism and a filtering mechanism;

the sealing mechanism comprises a sliding sleeve (10), a connecting plate (13), a sliding rod (12) and a spring (11), the surface of the inner wall of the second shell (5) is fixedly connected with a second rubber pad (9), the surface of the inner wall of the second rubber pad (9) is fixedly connected with the sliding sleeve (10), the surface of the inner wall of the sliding sleeve (10) is fixedly connected with the spring (11), one end of the spring (11) is fixedly connected with the sliding rod (12), one end of the sliding rod (12) is fixedly connected with the connecting plate (13), and the surface of the outer wall of the connecting plate (13) is fixedly connected with a sealing plate (14);

the filter mechanism comprises a fixing plate (17), a support frame (18) and a filter screen (19), the outer wall surface of the bottom end of the second shell (5) is fixedly intercepted by the liquid inlet (16), the outer wall surface of the liquid inlet (16) is fixedly connected with the fixing plate (17), the inner wall surface of the fixing plate (17) is slidably connected with the support frame (18), and the outer wall surface of the support frame (18) is fixedly connected with the filter screen (19).

2. The high performance angle shut-off valve of claim 1, wherein: the outer wall surface of the second shell (5) is fixedly connected with the liquid outlet (15), and the outer wall surface of the top end of the second shell (5) is fixedly connected with the first shell (1) through a bolt.

3. The high performance angle shut-off valve of claim 1, wherein: the inner wall surface of the first shell (1) is rotatably connected with a threaded rod (3), one end of the threaded rod (3) is fixedly connected with a turntable (4), the outer wall surface of the threaded rod (3) is rotatably connected with a shaft seal (7), and one end of the threaded rod (3) is fixedly connected with a push plate (8).

4. The high performance angle shut-off valve of claim 1, wherein: the outer wall surface of the first shell (1) is provided with a sliding chute (2).

5. The high performance angle shut-off valve of claim 1, wherein: the surface of the outer wall of the support frame (18) is fixedly connected with a second rubber pad (9), and the surface of the outer wall of the second rubber pad (9) is fixedly connected with a liquid inlet (16).

Images