CN218377694U - Combined type high-speed air inlet and outlet valve - Google Patents

Abstract

The utility model discloses a high-speed inlet and outlet valve of combined type relates to inlet and outlet valve field. High-speed inlet and outlet valve of combined type includes valve body, valve gap, floater and exhaust hood, is equipped with the inner bag in the valve body, and inside the inner bag was placed to the floater, the valve gap was located the valve body top, was equipped with movable sealing mechanism between valve gap and inner bag, and movable sealing mechanism and valve gap sliding connection, first micro-gap switch was installed at the valve gap top, and when the first micro-gap switch of movable sealing mechanism contact, first micro-gap switch can produce and correspond the signal and communicate with remote operation system. The utility model discloses a movable seal structure and first micro-gap switch's structure cooperation design can help the staff to realize the long-range supervision to inlet and outlet valve working condition with the help of remote operation system, in time discovers inlet and outlet valve abnormal problem, and in time maintenance effectively avoids leading to the pipeline to be inhaled flatly or break because of the unable normal air admission of supply channel is exhausted.

Description

Combined type high-speed air inlet and outlet valve

Technical Field

The utility model relates to a valve field of admitting and exhausting, more specifically relates to a high-speed valve of admitting and exhausting of combined type.

Background

The water hammer phenomenon is easy to occur under the combined action of air flow and water flow due to the frequent existence of gas in the water supply network, and even the deformation and the breakage of the pipe section are caused, so that the smooth water supply is influenced. Therefore, the air inlet and outlet valve is required to be installed at the highest point, the continuous gradient or turning point, the tail end of the pipeline, the rear end of the check valve and the like of the pipeline, and the water supply safety is improved.

The existing exhaust valves on the market all use high-speed air inlet and outlet as main product beating functions, and the existing Chinese patent application CN202010287263.0 discloses a combined type high-speed air inlet and outlet valve which comprises a valve body, a valve cover, a floating ball and an exhaust hood, wherein an inner container is arranged inside the valve body, the floating ball is positioned inside the inner container, a buffer cushion is arranged at the bottom of the inner container, openings are formed in the two sides of the inner container, the top of the inner container is of an open structure, the valve cover is positioned at the top of the inner container, a lifting hood is arranged between the valve cover and the inner container, and the valve cover is connected with the exhaust hood.

However, in the actual use process, due to the lack of real-time monitoring on the working conditions of the air inlet and outlet valves, when the gap between the floating ball and the valve liner is rusted by impurities and scales, the maintenance cannot be found in time under the condition that the air outlet valve fails, and then the direct economic loss is caused.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome above-mentioned prior art lack the defect to inlet and outlet valve working condition real-time supervision, provide a combined type high-speed inlet and outlet valve.

In order to solve the technical problem, the technical scheme of the utility model as follows:

the combined type high-speed air inlet and outlet valve comprises a valve body, a valve cover, a floating ball and an air exhaust cover, wherein an inner container is arranged inside the valve body, the inner container is of an open structure, the floating ball is placed inside the inner container, the valve cover is connected with the top of the valve body, and the air exhaust cover is arranged at the top of the valve cover. A movable sealing mechanism is arranged between the valve cover and the inner container and is connected with the valve cover in a sliding manner; the top of the valve cover is fixedly provided with a first microswitch through a mounting piece; when the movable sealing mechanism contacts the first microswitch, the first microswitch generates a corresponding signal and communicates with a remote operating system.

In the technical scheme, when the water supply pipeline where the combined type high-speed air inlet and exhaust valve is located does not start to supply water, the movable sealing mechanism descends to the lowest position under the action of gravity, a gap exists between the movable sealing mechanism and the valve cover, the movable sealing mechanism does not contact the first micro switch, the first micro switch is in a no-signal state, and the remote operation system judges that the combined type high-speed air inlet and exhaust valve does not start to work; after the water supply pipeline starts to supply water, a large amount of gas originally existing in the pipeline flows to the space of the outer wall of the inner container through the water inlet end of the valve body, and is quickly discharged outwards from a gap between the movable sealing mechanism and the valve cover, so that the phenomenon of water hammer caused by water inflow is avoided; along with the continuous filling of the liquid in the valve body, the liquid enters the inner container, the water level of the inner container rises to drive the floating ball to rise until the floating ball contacts the movable sealing mechanism and pushes the movable sealing mechanism to rise, at the moment, the movable sealing mechanism contacts the first microswitch so as to enable the first microswitch to generate a signal, and the remote operation system detects that the combined high-speed air inlet and outlet valve starts to work according to the signal provided by the first microswitch; along with the rise of the liquid level, the floating ball finally pushes the movable sealing mechanism to rise to the highest position, and the movable sealing mechanism contacts the valve cover to form a closed state; when the water supply pipeline stops supplying water, the liquid level in the combined type high-speed air inlet and outlet valve is rapidly lowered, the height of the floating ball is lowered, the movable sealing mechanism is also gradually lowered to a low position under the action of self gravity and is separated from the contact with the first micro switch, a gap exists between the movable sealing mechanism and the valve cover at the moment, the combined type high-speed air inlet and outlet valve sucks a large amount of air to fill the space of a pipeline, the pipeline is prevented from being sucked flat, and a remote operation system detects that the combined type high-speed air inlet and outlet valve is sucking air at a high speed or stops working.

Preferably, the valve cover is provided with a through hole; the movable sealing mechanism comprises a sealing cover and a guide rod; a through hole is formed in the sealing cover, one end of the guide rod penetrates through the through hole and is fixedly connected with one side, close to the inner container, of the sealing cover through a first fastener, and the other end of the guide rod penetrates through the through hole and is in sliding connection with the through hole; when the floating ball pushes the sealing cover to move upwards, one end of the guide rod close to the exhaust cover is driven to contact with the first microswitch. Preferably, the first fastening member includes any one of a nut and a retainer ring.

In the preferred scheme, when the floating ball rises along with the liquid level, the floating ball pushes the sealing cover to move upwards until the sealing cover is contacted with the valve cover, at the moment, under the driving action of the sealing cover, the guide rod moves upwards, one end of the guide rod, which is close to the exhaust cover, is contacted with the first micro switch, and the remote operation system receives a signal sent by the first micro switch so as to judge that the composite high-speed air inlet and exhaust valve starts to work; when the floating ball descends along with the liquid level, the guide rod descends along with the sealing cover under the action of self gravity, the sealing cover does not contact the valve cover, a gap is formed between the sealing cover and the valve cover to suck air, the guide rod does not contact the first microswitch, and the remote operation system detects that the composite high-speed air inlet and outlet valve is in high-speed air inlet or stop working.

As a possible design of the optimal scheme, the guide sleeve is arranged in the through hole of the valve cover in an interference mode, so that a good guide effect is formed on the guide rod, and the blocking phenomenon is avoided.

As a possible design of the preferred embodiment, the movable sealing mechanism further includes a micro-exhaust sealing element, the micro-exhaust sealing element is disposed at one end of the guide rod close to the first fastening element, and an exhaust hole is disposed in the guide rod. In the possible design, because the liquid in the pipeline can continuously separate out air, chlorine and other gases in the conveying process, when the gases generated in the pipeline are continuously increased and gathered below the movable sealing mechanism, the gas compression floating ball descends, and the gases can be discharged through the micro exhaust sealing element and the exhaust hole in the guide rod; in the process that gas is discharged to liquid is filled again, the sealing cover descends for a certain distance under the action of self gravity, the first microswitch has no signal instantly, and the remote operation system can detect the on-off times of the first microswitch; if the on-off times are far lower than the normal times or no on-off record exists in limited time, the worker needs to check the exhaust valve to determine whether the micro exhaust hole is blocked or not, or whether the movable sealing mechanism is blocked or not.

Preferably, the exhaust hood is provided with a mounting hole for mounting the dial indicator, and the position of the mounting hole corresponds to the position of the guide rod. When the sealing cover and the valve cover are closed and the dial indicator is installed in the installation hole, the guide rod contacts with a movable indicator head of the dial indicator, and the pointer of the dial indicator is driven to swing by slight movement of the guide rod. When workers carry out on-site maintenance on the combined type high-speed air inlet and outlet valve, a dial indicator can be arranged at the top of the air exhaust cover, and when the combined type high-speed air inlet and outlet valve carries out micro air exhaust, the guide rod moves up and down to drive the pointer of the dial indicator to swing to judge whether the current maintenance passes or not.

As a preferable scheme, the combined high-speed air inlet and outlet valve further comprises a second microswitch, the first microswitch is arranged at one end, close to the exhaust hood, of the mounting piece, and the second microswitch is fixedly mounted on the mounting piece and is positioned below the first microswitch; when the movable sealing mechanism contacts a second microswitch, the second microswitch generates a corresponding signal and communicates with a remote operating system.

In the preferred scheme, when the water supply pipeline starts to convey liquid, the movable sealing mechanism moves upwards under the pushing of the floating ball along with the upward movement of the liquid level in the inner container, the movable sealing mechanism contacts the second microswitch firstly, and the remote operation system judges that the combined high-speed air inlet and exhaust valve starts to work based on the signal of the second microswitch; along with the continuous rising of the liquid level, the movable sealing mechanism can contact the first microswitch, at the moment, the first microswitch and the second microswitch simultaneously have signals, the remote operation system judges that the composite high-speed air inlet and outlet valve is in full-load work, and the pressure in the valve body rises to the water supply pressure along with the pipeline pressure; when the water supply pipeline stops supplying water, the first microswitch and the second microswitch turn off signals in sequence, and the remote operation system judges that the composite high-speed air inlet and outlet valve is in high-speed air inlet or stop working.

Preferably, a gland is arranged at the bottom of the valve cover, and the gland presses the sealing member against the surface of the bottom of the valve cover.

In the preferred scheme, the sealing element is locked at the bottom of the valve cover by the gland part, when the movable sealing mechanism is pushed by the floating ball to move upwards, the sealing element plays a role in fixing the movable sealing structure, and the movable sealing structure and the sealing element are in close contact with the valve cover.

As a preferred scheme, the two sides of the inner container are both provided with liquid filling ports.

In the preferred scheme, when the water supply pipeline starts to convey liquid, the liquid can enter the inner container through the liquid filling port, so that the floating ball is quicker to rise along with the liquid level; meanwhile, the liquid filling openings are formed in the two sides of the inner container, so that gas entering the inner wall of the inner container is reduced, and the floating ball is prevented from being blown by the gas.

As preferred scheme, an opening has been seted up on the valve body lateral wall, fixed mounting has a conveyer pipe on the opening, install the manometer on the conveyer pipe, the conveyer pipe is kept away from the end of valve body and is installed the ball valve.

In this preferred scheme, the manometer can be used to detect pressure in the high-speed air inlet and outlet valve of combined type, and the ball valve can be used in the drainage when the staff maintains.

Preferably, the outer edge of the bottom of the exhaust hood is provided with an air intake and exhaust filter screen, and one side of the air intake and exhaust filter screen, which is far away from the exhaust hood, is fixedly connected with the top of the valve cover.

In the preferred scheme, when the combined type high-speed air inlet and outlet valve is used for high-speed air inlet, due to the limitation of the air inlet and outlet filter screen, external foreign matters cannot enter the combined type high-speed air inlet and outlet valve, so that the normal work of the combined type high-speed air inlet and outlet valve is guaranteed.

As the preferred scheme, the valve body is still installed the pore filter screen in the end of intaking. The fine hole filter screen can reduce fine impurities from entering the valve body and influence the exhaust function of the combined type high-speed air inlet and exhaust valve.

Compared with the prior art, the utility model discloses technical scheme's beneficial effect is: through increase micro-gap switch in traditional air inlet and outlet valve, based on micro-gap switch and movable sealing mechanism's structure cooperation, the usable remote operation system of staff realizes right the high-speed air inlet and outlet valve working condition's of combined type remote monitoring in time discovers air inlet and outlet valve abnormal problems, and in time the maintenance effectively avoids leading to the pipeline to be inhaled flat or break because of the unable normal air inlet and outlet of water supply line.

Drawings

FIG. 1 is a schematic view of the composite high-speed air inlet/outlet valve of the present invention;

FIG. 2 is a schematic view of the high-speed exhaust state of the combined high-speed intake/exhaust valve of the present invention;

FIG. 3 is a schematic view showing the ascending state of the combined type high-speed intake and exhaust valve floating ball and the movable sealing mechanism of the present invention;

FIG. 4 is a schematic view of the micro-exhaust state of the composite high-speed air inlet/outlet valve of the present invention;

fig. 5 is a schematic view of the high-speed air intake state of the combined high-speed air intake and exhaust valve of the present invention.

In the drawings, the reference numbers indicate the following list of parts:

1-a valve body; 2-valve cover; 3-floating ball; 4-an exhaust hood; 5-inner container; 6-a movable sealing mechanism; 7-a mounting member; 8-a first microswitch; 9-a second microswitch; 10-a guide sleeve; 11-dial indicator; 12-a gland member; 13-a seal; 14-a liquid filling port; 15-pressure gauge; 16-ball valves; 17-air intake and exhaust filter screen; 18-fine mesh filter screen;

601-sealing cover; 602-a guide bar; 603-a first fastener; 604-micro vent seal.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent;

for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product;

it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The technical solution of the present invention is further described with reference to the accompanying drawings and embodiments.

Example 1

A combined type high-speed air inlet and outlet valve is shown in a figure 1, a figure 2, a figure 3 and a figure 5 and comprises a valve body 1, a valve cover 2, a floating ball 3 and an air exhaust cover 4, wherein an inner container 5 is arranged inside the valve body 1, the inner container 5 is of an open structure, the floating ball 3 is placed inside the inner container 5, the valve cover 2 is connected with the top of the valve body 1, and the air exhaust cover 4 covers the top of the valve cover 2. A movable sealing mechanism 6 is arranged between the valve cover 2 and the inner container 5, and the movable sealing mechanism 6 is connected with the valve cover 2 in a sliding mode.

The top of the valve cover 2 is fixedly provided with a first microswitch through 7 pieces of installation. When the movable sealing mechanism 6 contacts the first microswitch 8, the first microswitch 8 generates a corresponding signal and communicates with a remote operating system.

In the specific implementation process, the combined high-speed air inlet and outlet valve is arranged at the high position of a water supply pipeline, when the water supply pipeline does not start to supply water, the movable sealing mechanism 6 descends to the lowest position under the action of gravity, a gap exists between the movable sealing mechanism 6 and the valve cover 2, the movable sealing mechanism 6 is not in contact with the first micro switch 8, the first micro switch 8 is in a no-signal state, a remote operation system judges that the combined high-speed air inlet and outlet valve does not start to work, the internal and external pressures of the pipeline are consistent, and the phenomenon that the pipeline is sucked flat or broken does not occur; after the water supply pipeline starts to supply water, a large amount of gas originally existing in the water supply pipeline flows to the space of the outer wall of the inner container 5 through the water inlet end of the valve body 1 and is finally quickly discharged outwards from a gap between the movable sealing mechanism 6 and the valve cover 2, so that the water hammer phenomenon of water inlet is avoided; along with the continuous filling of the liquid in the valve body 1, the liquid enters the inner container 5, the water level of the inner container 5 rises to drive the floating ball 3 to rise until the floating ball 3 contacts the movable sealing mechanism 6 and pushes the movable sealing mechanism 6 to rise, at the moment, the movable sealing mechanism 6 contacts the first microswitch 8 so as to enable the first microswitch 8 to generate a signal, and the remote operation system detects that the composite high-speed air inlet and outlet valve starts to work according to the signal provided by the first microswitch 8; along with the rise of the liquid level, the floating ball 3 finally pushes the movable sealing mechanism 6 to rise to the highest position, and the movable sealing mechanism 6 contacts the valve cover 2 to form a closed state; when the water supply pipeline stops supplying water, the liquid level in the combined type high-speed air inlet and outlet valve rapidly descends, the floating ball 3 descends highly, the movable sealing mechanism 6 also descends to a low position gradually under the action of self gravity and is separated from the contact with the first microswitch 8, at the moment, a gap exists between the movable sealing mechanism 6 and the valve cover 2, the combined type high-speed air inlet and outlet valve sucks a large amount of air to fill the space of a pipeline, the pipeline is prevented from being sucked flat, and a remote operation system detects that the combined type high-speed air inlet and outlet valve is sucking air at a high speed or stopping working. The embodiment can realize the function of remotely monitoring the working condition of the combined type high-speed air inlet and outlet valve, and is convenient for workers to find abnormality in time and maintain accurately.

Example 2

The utility model provides a combined type high speed air inlet and outlet valve, refers to figure 1, includes valve body 1, valve gap 2, floater 3 and exhaust hood 4, the inside inner bag 5 that is equipped with of valve body 1, inner bag 5 is open structure, liquid filling mouth 14 has been seted up to inner bag 5 both sides, floater 3 is placed inside inner bag 5, valve gap 2 is located valve body 1 top, through the fastener with valve body 1 fastening connection, exhaust hood 4 covers and locates the valve gap top. Wherein, a movable sealing mechanism 6 is arranged between the valve cover 2 and the inner container 5. Preferably, the fastener is selected from at least one of a bolt, a rivet, a welding nail and a stud.

The valve cover 2 is provided with a through hole, and a guide sleeve 10 is arranged in the through hole in an interference fit manner; the bottom of the valve cover 2 is provided with a gland part 12, and the gland part 12 presses a sealing part 13 against the bottom surface of the valve cover 2; the top of the valve cover 2 is fixedly provided with a first microswitch 8 and a second microswitch 9 through a mounting part 7, and the second microswitch 9 is arranged below the first microswitch 8. When the movable sealing mechanism 6 contacts the first micro switch 8 and/or the second micro switch 9, the first micro switch 8 and/or the second micro switch 9 generate corresponding signals and communicate with a remote operation system.

The movable sealing mechanism 6 includes a sealing cap 601, a guide rod 602, and a micro-vent seal 604. A through hole is formed in the sealing cover 601, one end of the guide rod 602 penetrates through the through hole and is fixedly connected with one side, close to the inner container 5, of the sealing cover 601 through a first fastener 603, the other end of the guide rod 602 penetrates through the guide sleeve 10 and is in sliding connection with the guide sleeve 10, the micro-exhaust sealing element 604 is arranged at one end, close to the first fastener 603, of the guide rod 602, and an exhaust hole is formed in the guide rod 602; when the floating ball 3 pushes the sealing cover 601 to move upwards, one end of the guide rod 602 close to the exhaust hood 4 is driven to contact the second microswitch 9 and the first microswitch 8; finally, the sealing cover 601 is in close contact with the sealing element 13 under the pushing of the floating ball 3. Preferably, the first fastener 603 is a nut.

An opening has been seted up on the valve body 1 lateral wall, fixed mounting has a conveyer pipe on the opening, install manometer 15 on the conveyer pipe, the conveyer pipe is kept away from the end of valve body 1 and is installed ball valve 16. The ball valve can solve the drainage problem in the overhaul process.

In the specific implementation process, when the water supply pipeline begins to convey liquid, referring to fig. 2, original gas in the pipeline enters the outer wall space of the inner container 5 through the water inlet end of the valve body 1 and is discharged upwards through the descending sealing cover 601, the first micro switch 8 and the second micro switch 9 at the moment are both in a no-signal state, no pressure exists in the valve body 1, the pointer of the pressure gauge 15 is in the zero return process, a large amount of gas is discharged rapidly in the process, the water inlet hammer is avoided, and the effect of smooth water supply is achieved.

With the continuous water supply of the pipeline, referring to fig. 3, the liquid enters the inner container of the valve body 1 through the liquid filling port 14, the floating ball 3 rises along with the liquid level, and the sealing cover 601 is further pushed to move upwards continuously; under the driving action of the sealing cover 601, the guide rod 602 moves upwards based on the guiding action of the guide sleeve 10, one end of the guide rod 602 close to the exhaust hood 4 contacts the second microswitch 9, and at the moment, the remote operation system can detect that the combined high-speed air inlet and exhaust valve starts to work; there is no pressure in the valve body 1, so the needle of the pressure gauge 15 is in zero.

Along with the continuous rising of the liquid level, under the pushing of the floating ball 3, the sealing cover 601 is in close contact with the sealing element 13 at the bottom of the valve cover 2, and drives the guide rod to contact with the first microswitch 8. At the moment, the first microswitch 8 and the second microswitch 9 have signals at the same time, and a remote operation system can detect that the air inlet and outlet valve is in full-load work, and the pressure in the valve body 1 is increased to the water supply pressure along with the pipeline pressure.

When a small amount of gas generated by long-term water supply of the pipeline is gathered under the sealing cover 601, the gas can compress the floating ball 3 to descend, referring to fig. 4, and at the moment, the gas passes through the micro exhaust sealing piece 604 and is exhausted out of the valve body 1 by utilizing an exhaust hole of the guide rod 602; in the process that gas is discharged to liquid is filled again, the guide rod 602 and the sealing cover 601 descend for a certain distance by the gravity of the guide rod, the first micro switch 8 can have no signal instantly, the remote operation system can detect the on-off times of the first micro switch 8, if the on-off times are far lower than the normal times or no on-off record exists in limited time, a worker needs to check the composite high-speed air inlet and outlet valve, and the checking items comprise the problem of blockage of a micro air outlet hole or the problem of blockage of a movable sealing mechanism.

When the water supply pipeline stops supplying water, the liquid level in the combined type high-speed air inlet and outlet valve rapidly drops, referring to fig. 5, the floating ball 3 drops to the bottom of the inner container 5, the sealing cover 601 drops along with the floating ball, the guide rod 602 is driven to drop, and at the moment, the combined type high-speed air inlet and outlet valve sucks a large amount of air to fill the space of the pipeline and prevent the pipeline from being sucked to be flat. Meanwhile, the first microswitch 8 and the second microswitch 9 are in off signal, no pressure exists in the valve body 1, the pointer of the pressure gauge 15 returns to zero, and the remote operation system can detect that the exhaust valve is in high-speed air inlet or stop working.

In an alternative embodiment, the exhaust hood 4 is provided with a mounting hole for mounting the dial indicator 11, and the position of the mounting hole corresponds to the position of the guide rod 602. When the sealing cover 601 and the valve cover 2 are closed and the dial indicator 11 is installed in the installation hole, the guide rod 602 contacts with the movable head of the dial indicator 11, and the movable head of the dial indicator 11 is driven to move by slight movement of the guide rod 602, so that the pointer of the dial indicator 11 swings. Particularly, in the process of field maintenance of the combined high-speed air inlet and outlet valve by workers, when the combined high-speed air inlet and outlet valve generates micro air exhaust, the guide rod 602 moves up and down to drive the pointer of the dial indicator 11 to swing to determine whether the current maintenance is passed.

In an alternative embodiment, the water inlet end of the valve body 1 is provided with a fine-hole filter screen 18. Based on the possible design, the phenomenon that fine impurities enter the valve body 1 to influence the micro-exhaust function of the combined high-speed air inlet and exhaust valve is reduced.

In an optional embodiment, a cushion pad is installed at the bottom of the inner container 5, so that the collision of the floating ball 3 when descending can be reduced, and the deformation of the floating ball can be avoided.

Example 3

A combined type high-speed air inlet and outlet valve is disclosed, and referring to fig. 1, the combined type high-speed air inlet and outlet valve comprises a valve body 1, a valve cover 2, a floating ball 3 and an air exhaust cover 4, wherein an inner container 5 is arranged inside the valve body 1, the inner container 5 is of an open structure, the floating ball 3 is placed inside the inner container 5, the valve cover 2 is connected with the top of the valve body 1, and the air exhaust cover 4 covers the top of the valve cover 2; a movable sealing mechanism 6 is arranged between the valve cover 2 and the inner container 5, and the movable sealing mechanism 6 is connected with the valve cover 2 in a sliding manner; the top of the valve cover 2 is fixedly provided with a first microswitch 8 through a mounting part 7, and when the movable sealing mechanism 6 contacts the first microswitch 8, the first microswitch 8 generates a corresponding signal and communicates with a remote operation system.

An air intake and exhaust filter screen 17 is installed on the outer edge of the bottom of the exhaust hood 4, and one side, far away from the exhaust hood 4, of the air intake and exhaust filter screen 17 is fixedly connected with the top of the valve cover 2.

In the specific implementation process, when the combined high-speed intake and exhaust valve performs high-speed intake, referring to fig. 5, the intake and exhaust filter screen 17 can effectively avoid the phenomenon that the normal operation of the combined high-speed intake and exhaust valve is affected and even the water supply pipeline is sucked flat or broken due to the foreign matters entering the combined high-speed intake and exhaust valve.

The same or similar reference numerals correspond to the same or similar parts;

it is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

The terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent.

It should be understood that the terms "first," "second," and the like as used in the description and in the claims, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Also, the use of the terms a, an, etc. do not denote a limitation of quantity, but rather denote the presence of at least one. Unless otherwise indicated, "front", "rear", "lower" and/or "upper" and the like are for convenience of description and are not limited to one position or one spatial orientation. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

Claims (10)

1. The utility model provides a combined type high-speed air inlet and outlet valve, includes valve body (1), valve gap (2), floater (3) and exhaust hood (4), inside inner bag (5) of being equipped with of valve body (1), inner bag (5) are open structure, place floater (3) inside inner bag (5), valve gap (2) with valve body (1) top is connected, exhaust hood (4) cover is established valve gap (2) top, its characterized in that: a movable sealing mechanism (6) is arranged between the valve cover (2) and the liner (5), the movable sealing mechanism (6) is connected with the valve cover (2) in a sliding manner, and a first microswitch (8) is fixedly arranged at the top of the valve cover (2) through a mounting part (7); when the movable sealing mechanism (6) contacts the first microswitch (8), the first microswitch (8) generates a corresponding signal and communicates with a remote operating system.

2. The composite high-speed intake and exhaust valve according to claim 1, wherein: the valve cover (2) is provided with a through hole; the movable sealing mechanism (6) comprises a sealing cover (601) and a guide rod (602); a through hole is formed in the sealing cover (601), one end of the guide rod (602) penetrates through the through hole and is fixedly connected with one side, close to the inner container (5), of the sealing cover (601) through a first fastener (603), and the other end of the guide rod (602) penetrates through the through hole and is in sliding connection with the through hole; when the sealing cover (601) moves upwards, one end of the guide rod (602) close to the exhaust cover (4) is driven to contact with the first microswitch (8).

3. The composite high-speed intake and exhaust valve according to claim 2, wherein: and a guide sleeve (10) is arranged in the through hole in an interference manner.

4. The composite high speed inlet and exhaust valve according to claim 2, wherein: the movable sealing mechanism (6) further comprises a micro-exhaust sealing element (604), the micro-exhaust sealing element (604) is arranged at one end, close to the first fastening piece (603), of the guide rod (602), and an exhaust hole is formed in the guide rod (602).

5. The composite high-speed intake and exhaust valve according to claim 4, wherein: the exhaust hood (4) is provided with a mounting hole for mounting a dial indicator (11), and the position of the mounting hole corresponds to that of the guide rod (602); when the sealing cover (601) and the valve cover (2) are closed and the dial indicator (11) is installed in the installation hole, the guide rod (602) contacts with the movable meter head of the dial indicator (11), and the pointer of the dial indicator (11) is driven to swing by slight movement of the guide rod (602).

6. The composite high-speed intake and exhaust valve according to claim 1, wherein: the combined high-speed air inlet and outlet valve also comprises a second microswitch (9), the first microswitch (8) is arranged at one end, close to the air exhaust cover (4), of the mounting piece (7), and the second microswitch (9) is fixedly arranged on the mounting piece (7) and is positioned below the first microswitch (8); when the movable sealing mechanism (6) contacts the second microswitch (9), the second microswitch (9) generates a corresponding signal and communicates with a remote operating system.

7. The composite high-speed air inlet and outlet valve according to claim 1, wherein: the bottom of the valve cover (2) is provided with a pressing cover part (12), and the pressing cover part (12) presses a sealing part (13) against the bottom surface of the valve cover (2).

8. The composite high-speed air inlet and outlet valve according to claim 1, wherein: liquid filling ports (14) are formed in the two sides of the inner container (5).

9. The composite high-speed air inlet and outlet valve according to claim 1, wherein: the valve is characterized in that a through hole is formed in the side wall of the valve body (1), a conveying pipe is fixedly mounted on the through hole, a pressure gauge (15) is mounted on the conveying pipe, and a ball valve (16) is mounted at the tail end, far away from the valve body, of the conveying pipe.

10. The composite high-speed intake and exhaust valve according to any one of claims 1 to 9, wherein: an air intake and exhaust filter screen (17) is installed on the outer edge of the bottom of the exhaust hood (4), and one side, far away from the exhaust hood (4), of the air intake and exhaust filter screen (17) is fixedly connected with the top of the valve cover (2).

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