Valve position state collector and stop valve with same

Abstract

The utility model relates to the technical field of stop valves, in particular to a valve position state collector and a stop valve with the valve position state collector, and the valve position state collector comprises a mounting seat, a rotating shaft, a triggering part and a sensing part; one end of the rotating shaft can be fixedly connected with a reset column of the stop valve and can rotate along with the reset column or drive the reset column to rotate. When the rotating shaft rotates along with the reset column, the triggering part can be driven to move towards the induction part, so that the induction part generates an induction signal. And when the rotating shaft actively rotates and further drives the reset column to perform reset rotation, the triggering part can spontaneously move away from the sensing part, so that the sensing signal disappears. The triggering part is matched with the sensing part, the valve position state of the stop valve can be collected, and faults of the stop valve can be found timely and locally. Meanwhile, induction signals can be transmitted to a far-end server, so that the purpose of remotely detecting the working state of the stop valve is achieved, and timely maintenance of the stop valve when the stop valve breaks down is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of cut-off valves, in particular to a valve position state collector and a cut-off valve having the same. Background Art

[0002] Gas pressure regulating equipment generally uses a shut-off valve as a safety device. When the pressure in the rear section of the pipeline exceeds the preset value, the shut-off valve will cut off spontaneously to delay or prevent the pressure in the rear section of the pipeline from continuing to rise, thereby ensuring gas safety. The shut-off valve generally adopts a diaphragm spring type, that is, the gas pressure acts on the diaphragm, and when the force acting on the diaphragm is greater than the elastic force of the spring, the shut-off valve will cut off spontaneously. During the long-term operation of the shut-off valve, the spring ages and the elastic force decreases. At the same time, the nut of the compression spring will also loosen under vibration, causing the start pressure of the shut-off valve to decrease, so that the shut-off valve frequently cuts off under normal pressure. Therefore, how to collect the valve position status of the shut-off valve and promptly detect that the shut-off valve has failed has become a technical problem that needs to be solved urgently by those skilled in the art. Utility Model Content

[0003] The utility model provides a valve position state collector and a cut-off valve with the same, which are used for collecting the valve position state of the cut-off valve and timely discovering the problem that the cut-off valve has a fault.

[0004] On the one hand, the utility model provides a valve position state collector, comprising:

[0005] Mounting seat;

[0006] The rotating shaft is rotatably mounted on the mounting seat, one end of which can be connected to the reset column of the cut-off valve, and can rotate with the reset column or drive the reset column to rotate;

[0007] A trigger part is slidably mounted on the mounting seat;

[0008] The sensing part is fixedly mounted on the mounting base;

[0009] When the rotating shaft rotates with the reset column, it can drive the trigger part to move toward the sensing part, so that the sensing part generates a sensing signal; when the rotating shaft drives the reset column to rotate, the trigger part can spontaneously move away from the sensing part, so that the sensing signal disappears.

[0010] In some of the embodiments, a permanent magnet is disposed on the triggering portion; correspondingly, a reed switch matching the permanent magnet is disposed on the sensing portion.

[0011] In some embodiments, the triggering unit includes:

[0012] A transmission shaft is slidably mounted on the mounting seat, with one end facing the rotating shaft and a permanent magnet fixed on the other end;

[0013] An elastic member is sleeved on the transmission shaft;

[0014] When the rotating shaft rotates with the reset post and the transmission shaft and the permanent magnet move towards the reed switch, the reed switch generates an induction signal and the elastic member is in a compressed state; when the rotating shaft drives the reset post to rotate, the force for the elastic member to recover its deformation can drive the transmission shaft and the permanent magnet to move away from the reed switch, causing the induction signal to disappear.

[0015] In some embodiments, a first guiding hole is provided on the mounting seat along the radial direction; a blind groove is provided on the side wall of the rotating shaft;

[0016] Further included are:

[0017] A ball is installed in the first guiding hole and abuts against one end of the transmission shaft facing the rotating shaft;

[0018] When the rotating shaft rotates with the reset post, the ball can roll out of the blind groove; when the rotating shaft drives the reset post to rotate, the ball can roll into the blind groove.

[0019] In some embodiments, one end of the transmission shaft facing the rotating shaft is of an arc-shaped structure.

[0020] In some embodiments, further included are:

[0021] A guiding seat, one end of which is fixed in the first guiding hole, and a second guiding hole communicating with the first guiding hole is formed in the middle; the transmission shaft is arranged in the second guiding hole.

[0022] In some embodiments, further included are:

[0023] A wiring pipe, one end of which is fixedly connected to the end of the guiding seat away from the mounting seat, and a reed switch is fixed inside.

[0024] In some embodiments, the induction part includes:

[0025] An output interface is fixedly installed inside the end of the wiring pipe away from the guiding seat and is connected to the reed switch.

[0026] In some embodiments, a sealing part is arranged at the connection between the wiring pipe and the guiding seat;

[0027] And / or, an axial limiting part is arranged at the connection between the rotating shaft and the mounting seat.

[0028] On the other hand, the present utility model further provides a cut-off valve with a valve position state collector, including a reset post and the valve position state collector provided in any of the above embodiments;

[0029] One end of the rotating shaft of the valve position state collector is connected to the reset post of the cut-off valve and can rotate with the reset post or drive the reset post to rotate.

[0030] The beneficial effects of the present utility model are as follows: The valve position state collector of the present utility model is provided with a rotating shaft. One end of the rotating shaft can be fixedly connected to the reset post of the cut-off valve and can rotate with the reset post or drive the reset post to rotate. When the rotating shaft rotates with the reset post, it can drive the triggering part to move towards the sensing part, so that the sensing part generates a sensing signal. When the rotating shaft rotates actively and then drives the reset post to rotate for reset, the triggering part can spontaneously move away from the sensing part, so that the sensing signal disappears. The triggering part and the sensing part cooperate with each other to collect the valve position state of the cut-off valve and timely discover on-site that the cut-off valve has failed. At the same time, the sensing signal can also be transmitted to a remote server to achieve the purpose of remotely detecting the working state of the cut-off valve, and it is suitable for collecting the valve position state of a rotary reset cut-off valve. It is beneficial to timely repair the cut-off valve when a failure occurs. Description of the Drawings

[0031] Figure 1 is a schematic structural diagram of some specific embodiments of a valve position state collector of the present utility model;

[0032] Figure 2 is Figure 1 a partial cross-sectional view of the valve position state collector shown;

[0033] Figure 3 is Figure 1 a partial cross-sectional view of the valve position state collector shown;

[0034] Figure 4 is a schematic structural diagram of some specific embodiments of a cut-off valve with a valve position state collector of the present utility model.

[0035] In the drawings, 110, mounting seat; 111, first guiding hole; 120, rotating shaft; 121, blind groove; 130, triggering part; 131, permanent magnet; 132, transmission shaft; 133, elastic member; 140, sensing part; 141, magnetic reed switch; 142, output interface; 150, ball; 160, guiding seat; 170, wiring pipe; 180, sealing part; 190, elastic retaining ring; 210, reset post. Detailed Embodiments

[0036] Next, the technical solutions of the present utility model will be clearly and completely described in conjunction with the embodiments. Obviously, the described embodiments are some embodiments of the present utility model, rather than all embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0037] As described in the background art, during the long-term operation of the cut-off valve, the spring ages and its elastic force decreases. At the same time, the nut that compresses the spring also loosens under vibration, resulting in a decrease in the starting pressure for the cut-off valve to cut off. As a result, under normal pressure, the cut-off valve cuts off frequently. Therefore, how to collect the valve position state of the cut-off valve and promptly detect that the cut-off valve has failed has become a technical problem that those skilled in the art urgently need to solve.

[0038] To solve the above problems, referring to Figure 1 , Figure 2 and Figure 3 , the present utility model provides a valve position state collector, which includes a mounting base 110, a rotating shaft 120, a triggering part 130, and a sensing part 140. The valve position state collector can be fixedly installed on the body of the cut-off valve through the mounting base 110. The rotating shaft 120 is rotatably installed in the middle of the mounting base 110. One end of the rotating shaft 120 can be fixedly connected to the reset column 210 of the cut-off valve and can rotate with the reset column 210 or drive the reset column 210 to rotate. The triggering part 130 is slidably installed on the top, bottom, or one side of the mounting base 110. Correspondingly, the sensing part 140 is fixedly installed on the top, bottom, or one side. When the rotating shaft 120 rotates with the reset column 210, it can drive the triggering part 130 to move towards the sensing part 140, so that the sensing part 140 generates a sensing signal. When the rotating shaft 120 rotates actively and then drives the reset column 210 to rotate for resetting, the triggering part 130 can spontaneously move away from the sensing part 140, so that the sensing signal disappears. The triggering part 130 and the sensing part 140 cooperate with each other to collect the valve position state of the cut-off valve and promptly detect on-site that the cut-off valve has failed. At the same time, the sensing signal can also be transmitted to a remote server to achieve the purpose of remotely detecting the working state of the cut-off valve, and it is suitable for collecting the valve position state of a rotary reset type cut-off valve. It is beneficial to promptly repair the cut-off valve when it fails.

[0039] Preferably, a first insertion groove is provided at one end of the rotating shaft 120 close to the reset column 210, and a first insertion head adapted to the first insertion groove is provided at one end of the reset column 210 close to the rotating shaft 120. Or, a first insertion head is provided at one end of the rotating shaft 120 close to the reset column 210, and a first insertion groove adapted to the first insertion head is provided at one end of the reset column 210 close to the rotating shaft 120. The first insertion head and the first insertion groove cooperate with each other to fixedly connect the rotating shaft 120 and the reset column 210.

[0040] Preferably, the cross-section of one end of the rotating shaft 120 close to the reset column 210 and the cross-section of the end far from the reset column 210 are both square structures, so as to facilitate controlling the active rotation of the rotating shaft 120.

[0041] In some of these embodiments, a permanent magnet 131 is provided on the trigger portion 130. Correspondingly, a magnetic reed switch 141 that cooperates with the permanent magnet 131 is provided on the induction portion 140. When the distance between the permanent magnet 131 of the laser portion and the magnetic reed switch 141 is shortened to the trigger distance, the magnetic reed switch 141 closes under the magnetic force of the permanent magnet 131, emitting a passive signal "off", which is defined as "cut off". When the distance between the permanent magnet 131 of the laser portion and the magnetic reed switch 141 exceeds the trigger distance, the magnetic reed switch 141 disconnects, emitting a passive signal "on", which is defined as "not cut off". The signal can be transmitted locally or to a remote server to achieve the purpose of collecting the valve position state of the cut-off valve. The permanent magnet 131 and the magnetic reed switch 141 do not require power supply themselves, can provide passive signals, have zero power consumption in the normal state and low power consumption in the working state, and are applicable to various data remote transmission working conditions.

[0042] In other embodiments, a trigger plate is provided on the trigger portion 130. Correspondingly, an infrared emitter and an infrared receiver are provided on the induction portion 140, and the infrared receiver and the infrared emitter are arranged opposite to each other and can receive the infrared rays emitted by the infrared emitter. When the rotary shaft 120 rotates with the reset post 210, the trigger plate abuts between the opposite sides of the infrared receiver and the infrared emitter, outputting a in-place signal. When the rotary shaft 120 drives the reset post 210 to rotate for reset, the trigger plate moves away from the infrared receiver and the infrared emitter.

[0043] Specifically, in the exemplary example, the trigger portion 130 includes a permanent magnet 131, a transmission shaft 132, and an elastic member 133. The transmission shaft 132 is slidably installed at the top, bottom, or side of the mounting seat 110, with one end facing the rotary shaft 120 and a permanent magnet 131 fixed to the other end. The elastic member 133 is sleeved on one end, the middle, or the other end of the transmission shaft 132. When the rotary shaft 120 rotates with the reset post 210 and the transmission shaft 132 and the permanent magnet 131 move towards the magnetic reed switch 141, the magnetic reed switch 141 generates an induction signal and the elastic member 133 is in a compressed state. When the rotary shaft 120 drives the reset post 210 to rotate, the force of the elastic member 133 to restore deformation can drive the transmission shaft 132 and the permanent magnet 131 to move away from the magnetic reed switch 141, causing the induction signal to disappear.

[0044] Preferably, the elastic member 133 is a spring, a rubber cylinder, a silicone cylinder, etc.

[0045] In some of these embodiments, a first guiding hole 111 is provided radially on one side of the mounting base 110. A blind groove 121 is provided on the side wall of the rotating shaft 120, and the side wall of the blind groove 121 is an inclined surface. The valve position state collector further includes a ball 150. The ball 150 is installed in the first guiding hole 111 and abuts against one end of the transmission shaft 132 facing the rotating shaft 120. When the rotating shaft 120 rotates with the reset post 210, the side wall of the blind groove 121 forces the ball 150 to roll out of the blind groove 121, thereby driving the transmission shaft 132 and the permanent magnet 131 to move towards the reed switch 141. The reed switch 141 generates an induction signal, and the elastic member 133 is in a compressed state. When the rotating shaft 120 drives the reset post 210 to rotate, the force of the elastic member 133 recovering from deformation can drive the transmission shaft 132 and the permanent magnet 131 to move away from the reed switch 141, the induction signal disappears, and the transmission shaft 132 drives the ball 150 to roll into the blind groove 121. Compared with other transmission blocks, the ball 150 has fewer edges and corners, making it smoother for the ball 150 to roll out of or into the blind groove 121, preventing jamming, and thus improving the smoothness of the movement of the transmission shaft 132 and the permanent magnet 131.

[0046] Preferably, an accommodation groove for accommodating the elastic member 133 of the triggering portion 130 is provided inside one end of the guiding seat 160 close to the mounting base 110. A limiting block is provided at one end of the transmission shaft 132 facing the rotating shaft 120 to prevent the elastic member 133 from falling off the transmission shaft 132. Moreover, one end of the transmission shaft 132 facing the rotating shaft 120 is an arc-shaped structure, which can smoothly contact the ball 150, prevent jamming, and ensure the smoothness of the transmission.

[0047] Specifically, in the exemplary embodiment, the valve position state collector further includes a guiding seat 160 and a wiring pipe 170. One end of the guiding seat 160 is fixed in the first guiding hole 111, and the middle part is hollow to form a second guiding hole communicating with the first guiding hole 111. The transmission shaft 132 is inserted into the second guiding hole and can slide along the axial direction of the second guiding hole. The guiding seat 160 can isolate the transmission shaft 132 and the permanent magnet 131 from the external environment, protect the transmission shaft 132 and the permanent magnet 131, reduce the external interference with their movement, and extend their service life. One end of the wiring pipe 170 is fixedly connected to one end of the guiding seat 160 away from the mounting base 110, and a reed switch 141 is fixed inside the end close to the guiding seat 160. The sensing portion 140 includes an output interface 142. The output interface 142 is fixedly installed inside one end of the wiring pipe 170 away from the guiding seat 160 and is electrically connected to the reed switch 141 through a wire harness for outputting signals externally. The wiring pipe 170 can isolate the reed switch 141 from the external environment, protect the reed switch 141, extend its service life, and reduce potential safety hazards. Overall, an explosion-proof and sealed design is adopted, which is applicable to dangerous working conditions prone to explosion such as gas transmission.

[0048] Preferably, threads are provided on the side wall of the first guiding hole 111. Correspondingly, threads are also provided on the outer wall of the guiding seat 160 near the end close to the mounting seat 110. The guiding seat 160 is connected to the first guiding hole 111 by threads, and the depth of the guiding seat 160 screwed into the first guiding hole 111 can be adjusted. A locking nut is sleeved on the outer wall of the guiding seat 160. The locking nut can be rotated so that one end face of the locking nut abuts against the mounting seat 110 to improve the connection stability between the guiding seat 160 and the mounting seat 110.

[0049] Preferably, a second insertion slot is formed inside the end of the guiding seat 160 close to the wiring pipe 170, and a second insertion head adapted to the second insertion slot is formed at the end of the wiring pipe 170 close to the guiding seat 160. A first threaded hole is provided at the end of the wiring pipe 170 close to the guiding seat 160. A first threaded hole is also provided at the end of the guiding seat 160 close to the wiring pipe 170. The wiring pipe 170 and the guiding seat 160 are fixedly connected by screws through the first threaded hole. A second threaded hole is further provided at the end of the wiring pipe 170 close to the guiding seat 160. The wiring pipe 170 and the reed switch 141 are fixedly connected by screws through the second threaded hole.

[0050] Preferably, the output interface 142 is an aviation plug, which has the advantages of waterproof, dustproof, electromagnetic interference resistance, vibration resistance and wear resistance.

[0051] Preferably, a sealing portion 180 is provided between the outer wall of the insertion head of the wiring pipe 170 and the inner wall of the insertion slot of the guiding seat 160 to prevent water vapor from invading the wiring pipe 170. The sealing portion 180 can be an O-ring or foam filler, etc. And / or, an axial limiting portion is provided at the connection between the rotating shaft 120 and the mounting seat 110. Specifically, a limiting ring is provided at the end of the rotating shaft 120 close to the reset post 210, and the end far from the reset post 210 is connected to the mounting seat 110 by an elastic retaining ring 190.

[0052] Preferably, the mounting seat 110 is directly mounted on the body of the cut-off valve or is mounted on the body of the cut-off valve through a bracket. If the mounting seat 110 is mounted on the body of the cut-off valve through a bracket, third threaded holes are provided on the bracket and the mounting seat 110, and the bracket and the mounting seat 110 are fixedly connected by screws through the third threaded holes.

[0053] Preferably, the mounting seat 110 has a square, triangular or diamond-shaped structure, etc., and the shape and size can be adjusted according to the actual reserved mounting space.

[0054] Refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 4, the present utility model further provides a cut-off valve with a valve position state collector, which includes a reset post 210 and the valve position state collector provided in any of the above embodiments. One end of the rotating shaft 120 of the valve position state collector is fixedly connected to the reset post 210 of the cut-off valve, and can rotate with the reset post 210 or drive the reset post 210 to rotate. When the rotating shaft 120 rotates with the reset post 210, it can drive the trigger part 130 to move towards the sensing part 140, so that the sensing part 140 generates a sensing signal. When the rotating shaft 120 rotates actively and then drives the reset post 210 to rotate for reset, the trigger part 130 can spontaneously move away from the sensing part 140, so that the sensing signal disappears. The trigger part 130 and the sensing part 140 cooperate with each other to collect the valve position state of the cut-off valve, and can timely discover on-site that the cut-off valve has failed. At the same time, the sensing signal can also be transmitted to a remote server to achieve the purpose of remotely detecting the working state of the cut-off valve, and is suitable for collecting the valve position state of a rotary reset cut-off valve. It is beneficial to timely repair the cut-off valve when it fails.

[0055] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model.

[0056] In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present utility model, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically defined.

[0057] In the present utility model, unless otherwise clearly defined and limited, terms such as "installation", "connection", "connection", "fixation", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection, an electrical connection, or communicable with each other; it can be directly connected, or indirectly connected through an intermediate medium, and can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0058] In the present utility model, terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0059] Although the embodiments of the present utility model have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present utility model. Those of ordinary skill in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present utility model.

Claims

1. A valve position state collector, characterized in that, Comprising: Mounting base; Rotating shaft, rotatably mounted on the mounting base, one end of which can be connected to the reset post of the cut-off valve and can rotate with the reset post or drive the reset post to rotate; Trigger part, slidably mounted on the mounting base; Induction part, fixedly mounted on the mounting base; When the rotating shaft rotates with the reset post, it can drive the trigger part to move towards the induction part so that the induction part generates an induction signal; when the rotating shaft drives the reset post to rotate, the trigger part can spontaneously move away from the induction part so that the induction signal disappears.

2. The valve position state collector according to claim 1, wherein A permanent magnet is provided on the trigger part; correspondingly, a magnetic reed switch cooperating with the permanent magnet is provided on the induction part.

3. The valve position state collector according to claim 2, wherein The trigger part includes: Drive shaft, slidably mounted on the mounting base, one end facing the rotating shaft and the other end fixed with the permanent magnet; Elastic member, sleeved on the drive shaft; When the rotating shaft rotates with the reset post, when the drive shaft and the permanent magnet move towards the magnetic reed switch, the magnetic reed switch generates an induction signal and the elastic member is in a compressed state; when the rotating shaft drives the reset post to rotate, the force of the elastic member to restore deformation can drive the drive shaft and the permanent magnet to move away from the magnetic reed switch, causing the induction signal to disappear.

4. The valve position state collector according to claim 3, characterized in that, A first guiding hole is provided in the mounting base along the radial direction; a blind groove is provided on the side wall of the rotating shaft; Further comprising: Ball, mounted in the first guiding hole and abutted against one end of the drive shaft facing the rotating shaft; When the rotating shaft rotates with the reset post, the ball can roll out of the blind groove; when the rotating shaft drives the reset post to rotate, the ball can roll into the blind groove.

5. The valve position state collector according to claim 4, wherein One end of the drive shaft facing the rotating shaft is of an arc-shaped structure.

6. The valve position state collector according to claim 4, wherein Further comprising: Guiding seat, one end of which is fixed in the first guiding hole, and the middle part is hollow to form a second guiding hole communicating with the first guiding hole; the drive shaft passes through the second guiding hole.

7. The valve position state collector according to claim 6, wherein, Further comprising: Wiring pipe, one end of which is fixedly connected to the end of the guiding seat away from the mounting base, and the magnetic reed switch is fixed inside.

8. The valve position state collector according to claim 7, wherein, The induction part includes: Output interface, fixedly mounted inside the end of the wiring pipe away from the guiding seat and connected to the magnetic reed switch.

9. The valve position state collector according to claim 7, characterized in that, A sealing part is provided at the connection between the wiring pipe and the guiding seat; And / or, an axial limiting part is provided at the connection between the rotating shaft and the mounting base.

10. A shut-off valve with a valve position state collector, characterized in that, Comprising a reset post and the valve position state collector according to any one of claims 1 to 9; One end of the rotating shaft of the valve position state collector is connected to the reset post of the cut-off valve and can rotate with the reset post or drive the reset post to rotate.

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