CN211924905U

CN211924905U - Manual-automatic integrated stop valve

Info

Publication number: CN211924905U
Application number: CN202020064123.2U
Authority: CN
Inventors: 马景卫
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-11-13
Anticipated expiration: 2030-01-13

Abstract

The utility model provides a manual-automatic stop valve relates to valve technical field, the utility model discloses a valve body subassembly is provided with valve port A and valve port B in the valve body subassembly respectively, and valve body subassembly top is provided with manual valve body and pneumatic valve body, and manual valve body is used for the shutoff or opens valve port A, and pneumatic valve body is used for the shutoff or opens valve port B, the utility model discloses have manual and two kinds of independent control methods of pneumatics simultaneously, under the condition that manual control can't use, can also continue to use the stop valve through pneumatic control temporarily.

Description

Manual-automatic integrated stop valve

Technical Field

The utility model relates to the technical field of valves, particularly, relate to a manual-automatic stop valve.

Background

The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. The valves used in fluid control systems range from the simplest shut-off valves to the most complex valves used in autonomous systems, which are of a wide variety of types and specifications and can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, slurries, oils, liquid metals, and radioactive media. The valves are classified into cast iron valves, cast steel valves, stainless steel valves, chrome molybdenum vanadium steel valves, dual-phase steel valves, plastic valves, nonstandard valves, and the like according to the material.

Wherein the stop valve is also called the stop valve, use the most extensive valve, among the prior art, the stop valve is manual stop valve mostly, because its use cost is lower than automatic stop valve relatively, and automatic stop valve still needs external pressure signal equipment just can use, manual stop valve drives the valve rod through manual rotation hand wheel and reciprocates, thereby drive the valve clack of valve rod bottom and open or the shutoff valve port, with the control medium circulation state, and the stop valve of this kind of structure can be because internals rusts or damages and can't use, need to overhaul the back and just can continue to use, consequently need one kind under the condition that manual control can't use, can also start standby scheme and continue to use the stop valve, stop with guaranteeing normally to cut off the medium.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a manual-automatic's stop valve, it can also start the standby scheme and continue to use the stop valve under the unable condition of using of manual control to guarantee normally to end the medium.

The embodiment of the utility model is realized like this:

the utility model provides a manual-automatic integrative stop valve, includes the valve body subassembly, is provided with valve port A and valve port B in the valve body subassembly respectively, and valve body subassembly top is provided with manual valve body and pneumatic valve body, and manual valve body is used for shutoff or opening valve port A, and pneumatic valve body is used for shutoff or opening valve port B.

The utility model discloses an in some embodiments, manual valve body is including fixing the valve body A at valve body subassembly top, and valve body A top can be dismantled and be connected with valve body B, and valve body A and valve body B middle part activity run-through have valve rod A, and valve rod A can reciprocate, and valve rod A bottom stretches into in the valve body subassembly and is connected with valve clack A, is provided with on the valve port A with valve clack A complex disk seat A.

The utility model discloses an in some embodiments, valve body B top is provided with the clamp plate, and the clamp plate movable sleeve is established on valve rod A, and cavity A is enclosed into to clamp plate bottom, valve body B inner wall and valve rod A outer wall, and cavity A intussuseption is filled with the filler.

The utility model discloses an in some embodiments, be provided with the fixing base on the clamp plate, there is the nut through ball bearing swing joint in the fixing base, and the fixed cover of nut is established on valve rod A, and the fixed cover in nut top is equipped with the hand wheel that is located the fixing base top.

The utility model discloses an in some embodiments, inlay on valve body A and the valve body B and be equipped with the clamping ring, the clamping ring movable sleeve is established on valve rod A, and the clamping ring bottom is connected with the telescopic bellows that the cover was established on valve rod A, and the telescopic bellows bottom is fixed on valve rod A.

The utility model discloses an in some embodiments, the pneumatic valve body is including fixing the valve body C at valve body subassembly top, be provided with the valve rod B that can reciprocate in the valve body C, valve rod B bottom is stretched into in the valve body subassembly and is connected with valve clack B, be provided with on the valve port B with valve clack B complex disk seat B, the inside membrane chamber that is provided with in valve body C upper segment, valve rod B top is connected with fixed cover, be provided with flexible diaphragm on the fixed cover, flexible diaphragm fixes at the membrane indoor wall, flexible diaphragm separates into membrane indoor epicoele and membrane indoor cavity of resorption with the membrane chamber, the cover is equipped with the compression spring who is located between fixed cover and the bottom of membrane indoor cavity of resorption on the valve rod B, valve body.

The utility model discloses an in some embodiments, be provided with cavity B in the valve body C middle section, cavity B inner wall is provided with the vertical stroke scale strip of arranging, be provided with on the valve rod B with stroke scale strip complex pointer.

In some embodiments of the present invention, a cavity C is disposed in the lower segment of the valve body C, and the cavity C is filled with a filler.

The utility model discloses an in some embodiments, the activity is inlayed between valve clack A and the valve rod A and is equipped with a plurality of steel balls.

The embodiment of the utility model provides an at least, have following advantage or beneficial effect:

1. the utility model discloses a valve body assembly is provided with valve port A and valve port B in the valve body assembly respectively, valve body assembly top is provided with manual valve body and pneumatic valve body, manual valve body is used for the shutoff or opens valve port A, pneumatic valve body is used for the shutoff or opens valve port B, through manual valve body and the pneumatic valve body that set up alone, the detachable control, when manual valve body breaks down, can guarantee the normal use of stop valve through pneumatic valve body temporarily to guarantee normally to cut off the medium.

2. When the pneumatic valve body is required to be used, compressed air is input into the diaphragm chamber upper cavity through the air pipe, a downward thrust is provided for the elastic diaphragm, the valve rod B and the valve clack B at the bottom of the valve rod B can be driven to move downwards until the valve port B is blocked, closure is realized, the operation is convenient and rapid, when the pneumatic valve body is not required to be used, the air pipe is closed, the valve rod B and the valve clack B are driven to automatically move upwards under the action of the compression spring, and the valve port B is in an open state.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of an automatic and manual stop valve of the present invention (when medium circulates);

FIG. 2 is a schematic structural view of the manual valve body of the present invention during closure;

fig. 3 is a schematic structural view of the utility model when the pneumatic valve body is used for intercepting water.

Icon: 110-valve body component, 111-valve port A, 112-valve port B, 113-valve seat A, 114-valve seat B, 130-manual valve body, 131-valve body A, 132-valve body B, 133-valve rod A, 134-valve clack A, 135-pressing plate, 136-cavity A, 137-fixed seat, 138-nut, 139-handwheel, 141-pressing ring, 142-telescopic bellows, 143-steel ball, 150-pneumatic valve body, 151-valve body C, 152-valve rod B, 153-valve clack B, 154-fixed sleeve, 155-elastic diaphragm, 156-diaphragm chamber upper cavity, 157-diaphragm chamber lower cavity, 158-compression spring, 159-air pipe, 161-cavity B, 162-stroke scale bar, 163-pointer and 164-cavity C.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description of the present invention and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and therefore, the present invention should not be construed as being limited thereto. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, "a plurality" means at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example 1

Referring to fig. 1 to 3, the present embodiment provides a manual-automatic integrated stop valve, which includes a valve body assembly 110, a medium circulation channel is formed in the valve body assembly 110, one end of the medium circulation channel is an inlet, the other end of the medium circulation channel is an outlet, a valve port a111 and a valve port B112 are respectively formed in the medium circulation channel in the valve body assembly 110, a manual valve body 130 and a pneumatic valve body 150 are arranged at the top of the valve body assembly 110, the manual valve body 130 is used for plugging or opening the valve port a111, and the pneumatic valve body 150 is used for plugging or opening the valve port B112.

The manual valve body 130 and the pneumatic valve body 150 are respectively and independently arranged, so that the manual valve body 130 and the pneumatic valve body 150 can be separately and independently controlled, in a general state, a medium circulation channel in the valve body assembly 110 is in a circulation state, namely the valve port A111 and the valve port B112 are in an opening state, when the flow needs to be intercepted, the valve port A111 is generally blocked by the manual valve body 130 for the flow interception, the valve port B112 is still in the opening state at the moment, when the manual valve body 130 breaks down and cannot be operated, the valve port B112 can be temporarily blocked by the pneumatic valve body 150, the valve port A111 is in the opening state at the moment, the normal use of the stop valve is ensured, the normal cut-off of the fluid medium is ensured, when the manual valve body 130 is repaired, the manual operation is adopted, and the practicability is.

As a better implementation mode, the manual valve body 130 comprises a valve body A131 fixed on the top of the valve body assembly 110, the top of the valve body A131 is detachably connected with a valve body B132, a valve rod A133 movably penetrates through the middle parts of the valve body A131 and the valve body B132, the valve rod A133 can move up and down, the bottom of the valve rod A133 extends into the valve body assembly 110 and is connected with a valve clack A134, a valve seat A113 matched with the valve clack A134 is arranged on the valve port A111, a pressing plate 135 is arranged on the top of the valve body B132, the pressing plate 135 is movably sleeved on the valve rod A133, a cavity A136 is enclosed by the bottom of the pressing plate 135, the inner wall of the valve body B132 and the outer wall of the valve rod A133, the cavity A136 is filled with filler, a fixed seat 137 is arranged on the pressing plate 135, a nut 138 is movably connected in the. The valve body A131 and the valve body B132 are embedded with a pressing ring 141, the pressing ring 141 is movably sleeved on the valve rod A133, the bottom of the pressing ring 141 is connected with a telescopic corrugated pipe 142 sleeved on the valve rod A133, and the bottom of the telescopic corrugated pipe 142 is fixed on the valve rod A133.

When the manual valve body 130 of operation, it drives nut 138 and rotates to rotate the hand wheel 139, ball bearing in the fixing base 137 plays the effect of fixation nut 138 and cooperation its rotation, screw in down valve rod A133 under the screw effect, valve port A111 is plugged up to valve clack A134 shutoff of valve rod A133 bottom, thereby play the effect of damming, high durability and convenient operation, low in use cost, this in-process concertina ripple pipe 142 can extend gradually, concertina ripple pipe 142 can shorten gradually when valve rod A133 shifts up, with the reciprocating of cooperation valve rod A133.

It should be noted that the valve body a131 and the valve body assembly 110 may be connected into a whole by welding, the valve body a131 and the valve body B132 are connected by a plurality of screws, which facilitates disassembly and assembly, and here, the filling material in the cavity a136 may be flexible graphite, which plays a sealing role.

As a preferred embodiment, the pneumatic valve 150 includes a valve body C151 fixed on the top of the valve body assembly 110, a valve stem B152 capable of moving up and down is arranged in the valve body C151, the bottom of the valve stem B152 extends into the valve body assembly 110 and is connected to a valve flap B153, a valve seat B114 matched with the valve flap B153 is arranged on the valve port B112, a membrane chamber is arranged in the upper section of the valve body C151, a fixing sleeve 154 is connected to the top of the valve stem B152, an elastic membrane 155 is arranged on the fixing sleeve 154, the elastic membrane 155 is fixed on the inner wall of the membrane chamber, the membrane chamber is divided into an upper membrane chamber cavity 156 and a lower membrane chamber cavity 157 by the elastic membrane 155, a compression spring 158 located between the fixing sleeve 154 and the bottom of the lower membrane chamber cavity 157 is sleeved on the valve stem B152.

When the manual valve body 130 is out of service due to a fault, the valve port a111 is still in an open state, at this time, the pneumatic valve body 150 needs to be temporarily used, compressed air is input into the diaphragm chamber upper cavity 156 through the air pipe 159, when the diaphragm chamber upper cavity 156 is filled with compressed air, a downward thrust is applied to the elastic diaphragm 155, the elastic diaphragm 155 generates a certain deformation, the valve rod B152 and the valve flap B153 at the bottom of the valve rod B152 can be driven to move downwards until the valve flap B153 blocks the valve port B112, the shut-off is realized, the operation is convenient and fast, when the manual valve body 130 is maintained and can be normally used or is not shut-off any more, the compressed air is stopped from being introduced into the air pipe 159, the compressed air in the diaphragm chamber upper cavity 156 is automatically discharged through the air pipe 159, at this time, the valve rod B152 and the valve flap B153 are driven to.

Here, the valve body C151 and the valve body assembly 110 may be integrally connected by welding, so as to improve the overall strength.

In some embodiments of the utility model, be provided with cavity B161 in the valve body C151 middle section, cavity B161 inner wall is provided with the stroke scale bar 162 of vertical arrangement, be provided with on the valve rod B152 with stroke scale bar 162 complex pointer 163, pointer 163 moves down thereupon when valve rod B152 moves down, point to the different positions of stroke scale bar 162 to be convenient for observe the stroke change of valve rod B152, it needs to explain that, here is for the convenience of observing, can set up transparent observation window at the position that valve body C151 is close to cavity B161, so that observe inside pointer 163 and change.

In some embodiments of the present invention, a cavity C164 is disposed in the lower segment of the valve body C151, and the cavity C164 is filled with a filler, which may be flexible graphite and plays a certain role in sealing.

The utility model discloses an in some embodiments, the activity is inlayed between valve clack A134 and the valve rod A133 and is equipped with a plurality of steel balls 143, makes swing joint between valve clack A134 and the valve rod A133, and valve rod A133 can rotate when moving down, and valve clack A134 then can not rotate thereupon, and can direct contact support tightly when valve clack A134 contacts disk seat A113, can not rotate and produce the friction, reduces the wearing and tearing to valve clack A134.

The working principle of the manual-automatic integrated stop valve is as follows: during the interception, the manual control and the automatic control are adopted, during the manual control, the hand wheel 139 is rotated to drive the nut 138 to rotate, the ball bearing in the fixing seat 137 plays a role in fixing the nut 138 and matching with the nut to rotate, the valve rod A133 is screwed downwards under the spiral effect until the valve clack A134 at the bottom of the valve rod A133 blocks the valve port A111, and therefore the interception effect is achieved. In automatic control, compressed air is input into the diaphragm chamber upper chamber 156 through the air pipe 159, when the diaphragm chamber upper chamber 156 is filled with compressed air, a downward thrust is applied to the elastic diaphragm 155, and the elastic diaphragm 155 deforms to a certain extent, so that the valve rod B152 and the valve clack B153 at the bottom of the valve rod B152 can be driven to move downwards until the valve clack B153 blocks the valve port B112, and the shutoff is realized.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A manual-automatic integrated stop valve comprises a valve body assembly and is characterized in that a valve port A and a valve port B are arranged in the valve body assembly respectively, a manual valve body and a pneumatic valve body are arranged at the top of the valve body assembly, the manual valve body is used for plugging or opening the valve port A, and the pneumatic valve body is used for plugging or opening the valve port B.

2. The manual-automatic integrated stop valve according to claim 1, wherein the manual valve body comprises a valve body a fixed on the top of the valve body assembly, a valve body B is detachably connected to the top of the valve body a, a valve rod a movably penetrates through the middle portions of the valve body a and the valve body B, the valve rod a can move up and down, the bottom of the valve rod a extends into the valve body assembly and is connected with a valve clack a, and a valve seat a matched with the valve clack a is arranged on the valve port a.

3. The manual-automatic integrated stop valve according to claim 2, characterized in that a pressure plate is arranged at the top of the valve body B, the pressure plate is movably sleeved on the valve rod A, a cavity A is defined by the bottom of the pressure plate, the inner wall of the valve body B and the outer wall of the valve rod A, and the cavity A is filled with a filler.

4. The manual-automatic integrated stop valve according to claim 3, wherein a fixed seat is arranged on the pressure plate, a nut is movably connected in the fixed seat through a ball bearing, the nut is fixedly sleeved on the valve rod A, and a hand wheel positioned above the fixed seat is fixedly sleeved at the top end of the nut.

5. The manual-automatic integrated stop valve according to claim 3, characterized in that a pressure ring is embedded on the valve body A and the valve body B, the pressure ring is movably sleeved on the valve rod A, a telescopic corrugated pipe sleeved on the valve rod A is connected to the bottom of the pressure ring, and the bottom of the telescopic corrugated pipe is fixed on the valve rod A.

6. The manual-automatic integrated stop valve according to claim 1, wherein the pneumatic valve body comprises a valve body C fixed on the top of the valve body assembly, a valve rod B capable of moving up and down is arranged in the valve body C, the bottom of the valve rod B extends into the valve body assembly and is connected with a valve clack B, a valve seat B matched with the valve clack B is arranged on the valve port B, a membrane chamber is arranged in the upper section of the valve body C, a fixing sleeve is connected on the top of the valve rod B, an elastic membrane is arranged on the fixing sleeve and is fixed on the inner wall of the membrane chamber, the elastic membrane divides the membrane chamber into an upper membrane chamber cavity and a lower membrane chamber cavity, a compression spring positioned between the fixing sleeve and the inner bottom of the lower membrane chamber cavity is sleeved on the valve rod B, and an air pipe communicated with the upper.

7. The manual-automatic integrated stop valve according to claim 6, wherein a cavity B is arranged in the middle section of the valve body C, a vertically arranged stroke scale strip is arranged on the inner wall of the cavity B, and a pointer matched with the stroke scale strip is arranged on the valve rod B.

8. The manual-automatic integrated stop valve according to claim 6 or 7, characterized in that a cavity C is arranged in the lower section of the valve body C, and the cavity C is filled with a filler.

9. The manual-automatic integrated stop valve according to claim 2, wherein a plurality of steel balls are movably embedded between the valve clack A and the valve rod A.