CN216768538U - Valve position remote transmission device of stop valve and stop valve with same - Google Patents
Valve position remote transmission device of stop valve and stop valve with same Download PDFInfo
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- CN216768538U CN216768538U CN202123219198.7U CN202123219198U CN216768538U CN 216768538 U CN216768538 U CN 216768538U CN 202123219198 U CN202123219198 U CN 202123219198U CN 216768538 U CN216768538 U CN 216768538U
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Abstract
The utility model relates to a valve position teletransmission device of trip valve and have its trip valve, including the installation department, the extension connecting rod, guide arm and sensing structure subassembly, the inside cavity of installation department, the bottom is connected to on the connecting seat of trip valve, the extension connecting rod is established in the installation department, with the interior cutting push rod looks coupling of trip valve, the guide arm stretches into to the installation department from one side of installation department in, the front end and the extension connecting rod transmission of guide arm are connected, the guide arm can remove in predetermineeing the within range, sensing structure subassembly sets up the rear end at the guide arm, sensing structure subassembly receives the signal that the guide arm removed, transmit to distal end control center. Through installing the installation department on the connecting seat of trip valve, extension connecting rod and cut off push rod looks coupling drive the guide arm and remove in predetermineeing the distance to make sensing structure subassembly receive the signal of telecommunication that the guide arm removed, and transmit to distal end control center, and then upload the valve position state of trip valve to operation center in real time, be convenient for relevant personnel master the trip valve state in order in time to maintain.
Description
Technical Field
The application relates to the technical field of gas transmission and distribution, in particular to a valve position remote transmission device of a stop valve and the stop valve with the same.
Background
On time, a cut-off valve is commonly used as a safety device by gas pressure regulating equipment in the market at present, and the cut-off valve is automatically cut off to delay or prevent the pressure from continuously rising when the pressure of the rear end of pressure regulation is over-pressure, so that the safety of rear-end gas utilization is ensured.
The stop valve is generally in a diaphragm spring type, namely, the gas pressure acts on the diaphragm and is compared with the spring elasticity, when the gas pressure exceeds the spring elasticity, the opening-releasing mechanism acts, and the sealing disc is tightly pressed on the valve port to realize the interruption of the gas at the inlet of the pressure regulator.
The aging elasticity of the spring of the shut-off valve is reduced along with the increase of the operation time, and the loosening of the nut of the compression spring under vibration can cause the reduction of the cut-off starting pressure of the shut-off valve, so that the cut-off valve has the failure of continuous cut-off under normal pressure. The fault can be found only when the patrol personnel checks the field, and even if the remote pressure recorder is additionally arranged on the equipment, the fault is difficult to find due to the fact that the remote pressure recorder cannot collect valve position state signals. So, if nobody patrols and examines in daily life, the pressure regulating box of one division of being equipped with the configuration can have the situation that work all the way stops use all the way for a long time, and follow-up operation does not have reserve pressure regulating pipeline, and the trouble appears and influences people's normal use.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present application provides a valve position remote transmission device of a shut-off valve, which is suitable for being installed on the shut-off valve, and is characterized by comprising an installation part, an extension connecting rod and a sensing structure assembly; the mounting part is hollow, the bottom of the mounting part is matched with the connecting seat of the cut-off valve, and the mounting part is suitable for being detachably connected to the connecting seat of the cut-off valve; the extension connecting rod is arranged in the mounting part, is suitable for being in shaft connection with a cutting push rod in the cutting valve and can move along with the cutting push rod; the sensing structure assembly can acquire the movement signal of the extension connecting rod and send a sensing signal to a remote control center.
In a possible implementation manner, the device further comprises a guide rod, wherein the guide rod extends into the mounting part from one side of the mounting part and is in transmission connection with the extension connecting rod; the sensing structure assembly is arranged at the rear end of the guide rod, and obtains the movement signal of the extension connecting rod by obtaining the movement signal of the guide rod.
In a possible implementation, the middle part of extension connecting rod is provided with the butt platform, the incline direction of butt platform is from last to down towards the axial of extension connecting rod slopes gradually, the front end butt of guide arm extremely on the extension connecting rod, the extension connecting rod is along with when cutting off the push rod and moving together, the butt platform on the extension connecting rod can to the rear end direction of guide arm promotes the guide arm removes.
In one possible implementation, the extension link top end structure is the same as the upper end structure of the cut-off push rod.
In one possible implementation, the sensing structure assembly includes a reed switch and a permanent magnet; the permanent magnet is arranged at the rear end of the guide rod; the magnetic reed switch is fixedly arranged at the rear position of the guide rod, and a gap is reserved between the magnetic reed switch and the permanent magnet.
In one possible implementation, the front end of the guide rod is an arc-shaped head; the device also comprises a limiting pipe; an installation cylinder extends outwards from one side of the middle part of the installation part and is communicated with the installation part; the limiting pipe is fixedly connected with the mounting cylinder in a threaded manner; the guide rod penetrates through the limiting pipe and is connected with the limiting pipe in a sliding mode.
In a possible implementation manner, the device further comprises a return spring; the front end of the reset spring is sleeved and fixed at the position, close to the front end, of the guide rod, the rear end of the reset spring is abutted against the limiting pipe, and the reset spring can push the guide rod to reset to a preset position in the direction of the front end of the guide rod; the mounting cylinder is perpendicular to the mounting part, and the side projection of the mounting part is shaped like □; the radial length of the rear end of the arc-shaped head of the guide rod is greater than that of the rest part of the guide rod; the front end of the limiting pipe is provided with a spring mounting groove; the front end of the reset spring is abutted to the rear end of the arc-shaped head of the guide rod, and the rear end of the reset spring is fixed in the spring mounting groove.
In one possible implementation, the mounting portion includes a base and a connecting body; the base is annular, and the lower end of the base is suitable for being screwed and fixed with a connecting seat of the cut-off valve; the connecting body is fixedly connected with the base through a fastening screw, and the upper part and the lower part of the connecting body are open; the extension connecting rod is arranged in the connecting body in a penetrating way; the installation barrel is arranged on the side wall of the connecting body, and the limiting pipe is fixed with the installation barrel in a threaded connection mode.
In a possible implementation manner, the upper end structure of the connecting body is the same as that of the connecting seat of the stop valve.
On the other hand, the application provides a shut-off valve, which comprises a shut-off valve main body and a valve position remote transmission device of the shut-off valve in any one of the possible implementation manners; a cutting push rod and a dustproof cap are arranged in the cutting valve main body, and the dustproof cap is fixed with the mounting part or the extension connecting rod in a threaded connection manner; the valve position remote transmission device of the cut-off valve is fixed on a connecting seat of the cut-off valve in a threaded manner, the extension connecting rod and the cut-off push rod are coaxially arranged, and the extension connecting rod and the cut-off push rod are fixed in a threaded manner; when the dustproof cap is fixedly connected with the mounting part in a threaded manner, the lower end of the dustproof cap is in threaded connection with the upper end of the mounting part and can be buckled and covered on the extension connecting rod for preventing dust; when the dustproof cap is fixedly connected with the extension connecting rod in a threaded manner, the upper end of the dustproof cap is inverted and can be connected to the upper end of the extension connecting rod in a threaded manner, so that the dustproof cap is lifted to drive the cutting push rod to return upwards; the upper end of the cutting push rod is provided with a thread structure which is the same as that of the upper end of the extension connecting rod.
The beneficial effect of this application: through installing the installation department on the connecting seat of trip valve, extension connecting rod and the looks coupling of cutting off the push rod in the installation department drive the guide arm of being connected with the transmission of extension connecting rod and remove in predetermineeing the distance to make sensing structure subassembly receive the signal of telecommunication that the guide arm removed, and transmit to distal end control center, and then upload the valve position state of trip valve to operation center in real time, be convenient for relevant personnel master the trip valve state in order in time to maintain. Moreover, permanent magnet and reed switch matched with mode, simple structure, with low costs to itself need not the power supply, can provide passive signal, and usual state zero-power consumption, operating condition low-power consumption, energy-concerving and environment-protective, application scope is wide, is used for various data teletransmission devices, can make the valve position teletransmission device's of this application operation stable, reliable after the installation is fixed.
Other features and aspects of the present application will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments, features, and aspects of the application and, together with the description, serve to explain the principles of the application.
Fig. 1 is a sectional view showing a valve position remote transmission device of a shut valve according to an embodiment of the present application.
Detailed Description
Various exemplary embodiments, features and aspects of the present application will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
It will be understood, however, that the terms "central," "longitudinal," "lateral," "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the present application or for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered limiting of the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.
Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present application. It will be understood by those skilled in the art that the present application may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present application.
Fig. 1 is a sectional view of a valve position remote transmission device of a shut-off valve of the embodiment of the application.
As shown in figure 1, the valve position remote transmission device of the shut-off valve is suitable for being installed on the shut-off valve and comprises an installation part, an extension connecting rod 6 and a sensing structure assembly, wherein the installation part is hollow, the bottom of the installation part is suitable for being connected to a connecting seat 2 of the shut-off valve 17 and communicated with the connecting seat, the extension connecting rod 6 is arranged in the installation part and is suitable for being in shaft connection with a cut-off push rod 1 in the shut-off valve 17 and can move along with the cut-off push rod 1, and the sensing structure assembly can acquire a moving signal of the extension connecting rod 6 and send the sensing signal to a remote control center.
Further, still include guide arm 8, guide arm 8 stretches into to the installation department from one of them side of installation department in, and the front end and the extension connecting rod 6 transmission of guide arm 8 are connected, and guide arm 8 can remove in predetermineeing the within range, and sensing structure subassembly sets up the rear end at guide arm 8, and sensing structure subassembly can acquire the removal signal of the guide arm 8 of being connected with extension connecting rod 6 transmission.
In this embodiment, through installing the installation department on the connecting seat 2 of trip valve 17, extension connecting rod 6 in the installation department is with cutting off push rod 1 looks coupling, drives guide arm 8 of being connected with extension connecting rod 6 transmission and removes in predetermineeing the distance to make sensing structure subassembly receive the signal of telecommunication that guide arm 8 removed, and transmit to distal end control center, and then upload the valve position state of trip valve 17 to operation center in real time, be convenient for relevant personnel to master the trip valve 17 state in order in time to maintain. Moreover, permanent magnet 12 and reed switch 16 matched with mode, simple structure, with low costs to itself need not the power supply, can provide passive signal, normal state zero-power consumption, operating condition low-power consumption, energy-concerving and environment-protective, application scope is wide for various data teletransmission devices, can make the valve position teletransmission device's of this application operation stable, reliable after the installation is fixed.
It should be noted that, for convenience of description, the front end of the guide rod 8 in the present application is directed to the left in fig. 1, the rear end of the guide rod 8 is directed to the right in fig. 1, the upper end is directed to the upper direction in fig. 1, and the lower end is directed to the lower direction in fig. 1.
In one embodiment, the middle of the extension link 6 is provided with a butting platform, the oblique direction of the butting platform gradually inclines towards the axial direction of the extension link 6 from top to bottom, the front end of the guide rod 8 is butted on the extension link 6, the extension link 6 moves along with the cut-off push rod 1, and the butting platform on the extension link 6 can push the guide rod 8 to move towards the rear end of the guide rod 8.
In this embodiment, 6 middle parts of extension connecting rod are from last to the butt platform that the slope of direction to 6 axle centers of extension connecting rod set up down, the upper portion radial length of extension connecting rod 6 is greater than the radial length in middle part promptly, the butt platform is located between the upper portion and the middle part of extension connecting rod 6, the butt platform reduces from last radial length to down gradually, the setting of butt platform has the inclined plane, the inclined plane can more effectual promotion guide arm 8 remove, on the basis that improves the moving efficiency, the effectual degree of wear of the long connecting rod 6 position of contacting with guide arm 8 when alleviating the removal, and then improve the life of the valve position teletransmission device of the trip valve of this application.
More specifically, the inclined surface of the abutment platform is at an angle of less than 60 ° to the axis of the extension link 6.
Preferably, the inclined surface of the abutment platform is at an angle of 30 ° to the axis of the extension link 6.
In one embodiment, the sensing structure assembly includes a reed switch 16 and a permanent magnet 12, the permanent magnet 12 is disposed at the rear end of the guide rod 8, and the reed switch 16 is fixedly mounted at the rear position of the guide rod 8 and is spaced from the permanent magnet 12.
In one embodiment, the front end of the guide rod 8 is an arc-shaped head, which is capable of contacting the abutment table.
In this embodiment, the front end of the guide rod 8 is an arc-shaped head, and is not particularly limited, only the front end of the arc-shaped head needs to be ensured to have an arc-shaped surface, and the front end of the guide rod 8 arranged in an arc or a spherical surface can further ensure that the front end of the guide rod 8 and the extension connecting rod 6 can effectively transfer displacement and reduce loss. And the contact part of the spherical head of the guide rod 8 and the abutting table of the extension connecting rod 6 is spherical, so that the self-adaptive function is realized, and the influence caused by installation and manufacturing tolerance can be eliminated.
In one of the concrete embodiment, still include spacing pipe 11, the outside extension of one side in installation department middle part has an installation section of thick bamboo, and the installation section of thick bamboo communicates in with the installation department, and spacing pipe 11 can be dismantled with the installation section of thick bamboo and be connected, and guide arm 8 wears to establish in spacing pipe 11, with spacing pipe 11 sliding connection.
In this embodiment, the setting of spacing pipe 11 can further strengthen the valve position teletransmission device commonality of the trip valve of this application, can carry out partial part adjustment according to different cutting push rods 1 and installation size to through the position of spacing pipe 11 installation on the installation section of thick bamboo, and then adjust the slide bar position, can match the trip valve 17 of different models.
In one specific embodiment, the device further comprises a return spring 9, the front end of the return spring 9 is sleeved and fixed at the position, close to the front end, of the guide rod 8, the rear end of the return spring 9 is abutted to the limiting pipe 11, the return spring 9 can push the guide rod 8 to reset to a preset position in the direction of the front end of the guide rod 8, the mounting cylinder is perpendicular to the mounting portion, and the side projection of the mounting portion is shaped like □.
In one embodiment, the device body adopts an explosion-proof sealing design and is suitable for explosion dangerous environments such as gas and the like.
In this embodiment, specifically, the valve position remote transmission device of the shut-off valve of the present application includes: aviation plug 14, wiring tube 15, set screws 4 and 13, magnetic reed switch 16, permanent magnet 12, spring, connecting body 5, base 3, limiting tube 11, guide rod 8, push rod, set nut 10 and the like. The whole is installed on a cut-off valve 17 through a base 3, and an extension connecting rod 6 is installed on a cut-off push rod 1 for extension. A connecting body 5 is arranged in the base 3, the connecting body and the base are fixed by a set screw 4 after the position is adjusted, and a limiting pipe 11 is arranged on the connecting body 5. A guide rod 8 and a return spring 9 are arranged in the limiting pipe 11, the guide rod 8 can be driven to move outwards through the inclined surface of the push rod when the push rod moves downwards, and the guide rod 8 moves inwards under the action of the return spring 9 when the push rod moves upwards. One end of the guide rod 8 is provided with a permanent magnet 12, a magnetic reed switch 16 is arranged in the wire connecting tube 15, after the distance between the two is shortened to a specified distance, the magnetic reed switch 16 is closed under the magnetic force action of the permanent magnet 12, a passive signal off is sent out and is transmitted to the data acquisition remote transmission device through a lead, and the signal is defined as off. Similarly, when the distance between the two exceeds a predetermined distance, the reed switch 16 is turned off to emit a passive signal "on", which is defined as "not cut". The limit pipe 11 is connected to the connecting body 5 through threads, and the distance between the permanent magnet 12 and the reed switch 16 can be adjusted through the screwing degree.
In one embodiment, the radial length of the rear end of the arc-shaped head of the guide rod 8 is greater than that of the rest part of the guide rod 8, the front end of the limiting pipe 11 is provided with a spring installation groove, the front end of the return spring 9 abuts against the rear end of the arc-shaped head of the guide rod 8, and the rear end of the return spring 9 is fixed in the spring installation groove.
In one embodiment, the wire connecting tube 15 and the plug 14 are further included, the front end of the wire connecting tube 15 is detachably connected with the rear end of the limiting tube 11, the magnetic reed switch 16 is arranged in the wire connecting tube 15, the plug 14 is installed at the rear end position of the wire connecting tube 15, the plug 14 is electrically connected with the magnetic reed switch 16, and the plug 14 is suitable for being electrically connected with a remote control center.
In this embodiment, the plug 14 is preferably an aircraft plug 14.
In one embodiment, the mounting portion includes a base 3 and a connecting body 5, the base 3 is in a ring shape, the lower end is suitable for being fixed with the base 3 of the cutoff valve 17 in a threaded manner, the connecting body 5 is fixedly connected with the base 3 through a fastening screw, the connecting body 5 is vertically opened, the extension connecting rod 6 is arranged in the connecting body 5 in a penetrating manner, the mounting cylinder is arranged on the side wall of the connecting body 5, and the limiting pipe 11 is fixed with the mounting cylinder in a threaded manner.
On the other hand, the application provides a shut-off valve 17, which comprises a shut-off valve 17 main body and a valve position remote transmission device of the shut-off valve in any one of the above embodiments; a cut-off push rod 1 is arranged in the cut-off valve 17 body; the valve position remote transmission device of the cut-off valve is screwed and fixed on the connecting seat 2 of the cut-off valve 17, and the extension connecting rod 6 is in shaft connection with the cut-off push rod 1; the lower end of the extension connecting rod 6 is provided with a first internal thread towards the inside of the extension connecting rod, and the upper end of the cutting push rod 1 is provided with a first external thread matched with the first internal thread; the dustproof cover 7 is arranged on the mounting part; a second internal thread is formed towards the inside of the lower end of the dustproof cap 7, a second external thread matched with the second internal thread is formed at the top of the mounting part, and the dustproof cap 7 is fixedly connected with the mounting part in a threaded manner; the same has been seted up to its inside in the upper end of dustproof cap 7 first internal thread, just the upper end of dustproof cap 7 can with the connecting seat 2 of trip valve 17 is laminated mutually, promptly the first terminal surface of dustproof cap 7 can through with 1 looks spiro union of cutoff push rod, direct mount be in on the connecting seat 2 of trip valve 17.
Specifically, when the dust cap is fixed with the mounting part in a threaded manner, the lower end of the dust cap is in threaded connection with the upper end of the mounting part and can be buckled and covered on the extension connecting rod for dust prevention;
when the dustproof cap is fixedly connected with the extension connecting rod in a threaded manner, the upper end of the dustproof cap is inverted and can be connected to the upper end of the extension connecting rod in a threaded manner, so that the dustproof cap can be lifted to move to cut off the push rod and return upwards;
the upper end of the cutting push rod is provided with a thread structure which is the same as that of the upper end of the extension connecting rod, so that the extension connecting rod can extend the cutting push rod and has the original function.
Specifically, the device is integrally installed on the connecting seat 2 of the stop valve 17 through the connecting seat 2 and is installed in a threaded mode. The connecting body 5 is arranged on the connecting seat 2, the connecting body and the connecting seat are in a shaft hole matching form, the angle can be adjusted according to actual conditions, and the connecting body and the connecting seat are fixed by screwing the set screw 4 after the adjustment. An extension link rod is penetrated in the connecting body 5. The extension link 6 is installed on the cutting push rod 1 in a threaded manner, and can be used as the cutting push rod 1 for extension. The connecting body 5 is provided with a dustproof cap 7 which can protect the internal structure from being stuck due to dust and can also be arranged on the cutting push rod 1 to be used as an operation tool for recovering the cutting valve 17. The connecting body 5 is provided with a limiting pipe 11 which is connected in a threaded manner, and the fixing between the limiting pipe and the connecting body is realized through a fastening nut 10. The limiting pipe 11 is internally provided with a guide rod 8 and a return spring 9. The guide rod 8 is always attached to the extension connecting rod under the action of the return spring 9. When the cut-off valve 17 acts to cut off, the cut-off push rod 1 moves inwards, the extension connecting rod follows up, and meanwhile, the guide rod 8 is pushed to move outwards under the action of the inclined surface of the cut-off push rod; when the cut-off valve 17 is subjected to recovery operation, the cut-off valve can be mounted on the extension connecting rod by using a dustproof cap 7 or a special tool, the extension connecting rod 6 is lifted outwards, the cut-off push rod 1 follows up, the recovery operation is completed, and the guide rod 8 moves inwards. One end of the guide rod 8 is provided with a permanent magnet 12. The wiring tube 15 is arranged in the limiting tube 11, and the limiting tube and the wiring tube are matched through shaft holes and are fixed through a set screw 10. And a magnetic reed switch 16 and an aviation plug 14 are arranged in the wiring tube 15, and are sealed to realize an explosion-proof function. When the guide rod 8 slides in the limiting tube 11, the distance between the permanent magnet 12 and the reed switch 16 changes, and after the distance is reduced to a specified distance, the reed switch 16 is automatically closed under the action of magnetic force, and a passive 'off' signal is sent outwards; when the distance exceeds a predetermined distance, the reed switch 16 is turned off due to insufficient magnetic force, and a passive "on" signal is sent out. An external signal cable is connected through the aviation plug 14, corresponding switching value signals are transmitted to the data acquisition remote transmission device, and the valve position state of the shut-off valve 17 is transmitted to a remote control center.
Having described embodiments of the present application, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or improvements to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (10)
1. A valve position remote transmission device of a cut-off valve is suitable for being installed on the cut-off valve and is characterized by comprising an installation part, an extension connecting rod and a sensing structure assembly;
the mounting part is hollow, the bottom of the mounting part is matched with the connecting seat of the stop valve, and the mounting part is suitable for being detachably connected to the connecting seat of the stop valve;
the extension connecting rod is arranged in the mounting part, is suitable for being in shaft connection with a cutting push rod in the cutting valve and can move along with the cutting push rod;
the sensing structure assembly can acquire the movement signal of the extension connecting rod and send a sensing signal to a remote control center.
2. The valve position remote transmission device of the cut-off valve according to claim 1, further comprising a guide rod, wherein the guide rod extends into the mounting part from one side of the mounting part and is in transmission connection with the extension connecting rod;
the sensing structure assembly is arranged at the rear end of the guide rod, and obtains the movement signal of the extension connecting rod by obtaining the movement signal of the guide rod.
3. The valve position remote transmission device of the cut-off valve according to claim 2, wherein a butting table is arranged in the middle of the extension connecting rod, the oblique direction of the butting table gradually inclines towards the axial direction of the extension connecting rod from top to bottom, the front end of the guide rod is butted to the extension connecting rod, the extension connecting rod moves along with the cut-off push rod, and the butting table on the extension connecting rod can push the guide rod to the rear end direction of the guide rod to move.
4. The remote valve position transmission device of the shut-off valve according to claim 1, wherein the top end structure of the extension connecting rod is the same as the upper end structure of the shut-off push rod.
5. The remote valve position transmission device of the cut-off valve according to claim 3, wherein the sensing structure assembly comprises a magnetic reed switch and a permanent magnet;
the permanent magnet is arranged at the rear end of the guide rod;
the magnetic reed switch is fixedly arranged at the rear position of the guide rod, and a gap is reserved between the magnetic reed switch and the permanent magnet.
6. The valve position remote transmission device of the cut-off valve according to claim 5, characterized in that the front end of the guide rod is an arc-shaped head;
the device also comprises a limiting pipe;
an installation cylinder extends outwards from one side of the middle part of the installation part and is communicated with the installation part;
the limiting pipe is fixedly connected with the mounting cylinder in a threaded manner;
the guide rod penetrates through the limiting pipe and is connected with the limiting pipe in a sliding mode.
7. The valve position remote transmission device of the shut-off valve according to claim 6, characterized by further comprising a return spring;
the front end of the reset spring is sleeved and fixed at the position, close to the front end, of the guide rod, the rear end of the reset spring is abutted against the limiting pipe, and the reset spring can push the guide rod to reset to a preset position towards the front end of the guide rod;
the installation cylinder is perpendicular to the installation part, and the side projection of the installation part is
Font;
the radial length of the rear end of the arc-shaped head of the guide rod is greater than that of the rest part of the guide rod;
the front end of the limiting pipe is provided with a spring mounting groove;
the front end of the reset spring is abutted to the rear end of the arc-shaped head of the guide rod, and the rear end of the reset spring is fixed in the spring mounting groove.
8. The remote valve position transmission device of the shut-off valve according to claim 6, wherein the mounting part comprises a base and a connecting body;
the base is annular, and the lower end of the base is suitable for being screwed and fixed with a connecting seat of the cut-off valve;
the connecting body is fixedly connected with the base through a fastening screw, and the upper part and the lower part of the connecting body are open;
the extension connecting rod is arranged in the connecting body in a penetrating way;
the installation barrel is arranged on the side wall of the connecting body, and the limiting pipe is fixed with the installation barrel in a threaded connection mode.
9. The remote valve position transmission device of the shut-off valve according to claim 8, wherein the upper end structure of the connecting body is the same as the upper end structure of the connecting seat of the shut-off valve.
10. A shut-off valve, characterized by comprising a shut-off valve body and a valve position remote transmission device of the shut-off valve of any one of claims 1 to 9;
a cut-off push rod and a dustproof cap are arranged in the cut-off valve main body, and the dustproof cap is fixedly connected with the mounting part or the extension connecting rod in a threaded manner;
the valve position remote transmission device of the cut-off valve is fixed on a connecting seat of the cut-off valve in a threaded manner, the extension connecting rod and the cut-off push rod are coaxially arranged, and the extension connecting rod and the cut-off push rod are fixed in a threaded manner;
when the dustproof cap is fixedly connected with the mounting part in a threaded manner, the lower end of the dustproof cap is in threaded connection with the upper end of the mounting part and can be buckled and covered on the extension connecting rod for preventing dust;
when the dustproof cap is fixedly connected with the extension connecting rod in a threaded manner, the upper end of the dustproof cap is inverted and can be connected to the upper end of the extension connecting rod in a threaded manner, so that the dustproof cap is lifted to drive the cutting push rod to return upwards;
the upper end of the cut-off push rod has the same thread structure as the upper end of the extension connecting rod.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123219198.7U CN216768538U (en) | 2021-12-20 | 2021-12-20 | Valve position remote transmission device of stop valve and stop valve with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123219198.7U CN216768538U (en) | 2021-12-20 | 2021-12-20 | Valve position remote transmission device of stop valve and stop valve with same |
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| CN216768538U true CN216768538U (en) | 2022-06-17 |
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| CN202123219198.7U Active CN216768538U (en) | 2021-12-20 | 2021-12-20 | Valve position remote transmission device of stop valve and stop valve with same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU221969U1 (en) * | 2023-09-14 | 2023-12-01 | ПАО "Газпром автоматизация" | End position indicator (UKP-03-02) |
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2021
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU221969U1 (en) * | 2023-09-14 | 2023-12-01 | ПАО "Газпром автоматизация" | End position indicator (UKP-03-02) |
| RU221968U1 (en) * | 2023-09-14 | 2023-12-01 | Публичное Акционерное Общество "Газпром Автоматизация" | End position indicator (UKP-03-01) |
| RU222019U1 (en) * | 2023-09-14 | 2023-12-06 | ПАО "Газпром автоматизация" | End position indicator (UKP-03) |
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