A pipe network flow detection, control and regulation device

Abstract

The present invention discloses a pipe network flow detection control and regulation device, which relates to the technical field of lithium battery production injection flow detection, and comprises a valve body, wherein flanges for auxiliary installation and connection are fixed at the front and rear ends of the valve body. In the process of using the pipe network flow detection control and regulation device to monitor and regulate the injection amount of the lithium battery, the present invention uses a sealing component to seal and block the ball body after the control and regulation, so as to avoid leakage on the valve body affecting the accuracy of subsequent flow detection. In the process of sealing, the pressure component is used to ensure the sealing effect between the annular sealing airbag and the ball body, and in the process of re-inflating and pressurizing the inside of the annular sealing airbag, the pushing distance of the second piston plate changes with the pressure change of the water inlet end of the valve body. The greater the pressure at the water inlet end of the valve body, the longer the distance of pushing the second piston plate to slide, thereby improving the effect of inflating and pressurizing the inside of the annular sealing airbag, and facilitating the full sealing operation after the valve body is closed.

Description

Technical Field

[0001] The invention relates to the technical field of lithium battery production injection flow detection, and in particular to a pipe network flow detection control and regulation device. Background Art

[0002] The main purpose of the liquid injection process in lithium battery production is to ensure the normal chemical reaction inside the battery, thereby improving the service life, safety and stability of the battery. In the process of liquid injection of lithium batteries, in order to ensure the accuracy of the injection amount, the injection amount must be precisely controlled to meet the requirements of battery design. The amount of injection determines various performances of the lithium battery, such as safety and service life.

[0003] Liquid injection is the process of injecting a certain amount of electrolyte into lithium-ion batteries. Too much injection can easily cause the battery to bulge, resulting in poor battery thickness. Too little injection can reduce the battery capacity and cycle life. Uneven injection can reduce battery life. The use of a pipe network flow detection, control and regulation device can monitor and adjust the injection volume in real time to ensure that each battery obtains the correct amount of electrolyte.

[0004] In the process of using the pipeline flow detection control and adjustment device to monitor and adjust the lithium battery injection volume, the control and adjustment device is used to change the cross-sectional area of ​​the pipeline to control the speed and pressure of the fluid to achieve flow regulation. This can ensure the safe and stable operation of the pipeline under different conditions and avoid problems caused by excessively high or low flow, such as pipeline rupture, equipment damage, etc. In the process where pipeline flow detection is not required, the pipeline is closed by the control and adjustment device. During the closing process, the pressure at the water inlet end of the pipeline valve body increases, and the pressure will generate pressure on the ball on the control and adjustment device, causing the internal sealing of the pipeline to be loose or even to generate gaps, affecting the use of pipeline flow detection. For this reason, we propose a pipeline flow detection control and adjustment device. Summary of the invention

[0005] The purpose of the present invention is to provide a pipe network flow detection, control and regulation device to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solution: a pipe network flow detection control and regulation device, comprising a valve body, the front and rear ends of the valve body are fixed with flanges for auxiliary installation and connection, the valve body is provided with a detection sensor for auxiliary flow detection, and further comprising:

[0007] An adjusting component provided on the valve body for adjusting the flow rate inside the valve body during flow detection, the adjusting component comprising a spherical groove provided inside the valve body, a spherical body rotatably connected inside the spherical groove, a through hole provided on the spherical body, a rotating component for rotating the spherical body provided on the valve body, a sealing component for sealing the spherical body after rotation provided inside the valve body, two groups of sealing components provided, and the two groups of sealing components symmetrically provided on the front and rear sides of the spherical body;

[0008] The sealing assembly includes an annular mounting cavity opened on the inner wall of the spherical groove, an annular sealing airbag is installed inside the annular mounting cavity, a connecting pipe is installed inside the valve body, one end of the connecting pipe is communicated with the interior of the annular sealing airbag, a piston tube is installed on the valve body, the connecting pipe is communicated with the piston tube, a first piston plate is slidably connected inside the piston tube, a pushing assembly for pushing the first piston plate is provided on the rotating assembly, and a pressurizing assembly for pressurizing the inside of the annular sealing airbag according to the pressure at the water inlet end is provided inside the piston tube.

[0009] Preferably, the pressurizing assembly includes a second piston plate slidably connected to the inside of the piston tube, an elastic assembly for elastically pushing the second piston plate is provided inside the piston tube, a positioning ring for positioning against the second piston plate is fixed inside the piston tube, a connecting pipe is fixed on the valve body, one end of the connecting pipe is connected to the water inlet end of the valve body, and the other end of the connecting pipe is connected to the inside of the piston tube.

[0010] Preferably, a blocking pin for sealing the end of the connecting pipe is slidably connected inside the piston tube, a guide assembly for guiding the movement of the blocking pin is provided on the outer side of the valve body, and a transmission rod is slidably connected to the second piston plate, and both ends of the transmission rod are respectively fixed to the first piston plate and the blocking pin.

[0011] Preferably, the rotating assembly includes a mounting sleeve which is connected to the upper end of the valve body, an annular support plate is fixed inside the mounting sleeve, a rotating rod is rotatably connected to the inner side of the annular support plate, one end of the rotating rod is fixed to the ball, and a driving assembly for driving the rotating rod is provided on the mounting sleeve.

[0012] Preferably, the pushing assembly includes a push rod slidably connected to one end of the piston tube, one end of the push rod is located inside the piston tube and fixed to one side of the first piston plate, a first spring is sleeved on the outer side of the push rod, two ends of the first spring are respectively connected to the first piston plate and the inner wall of the piston tube, and a diamond plate for resisting and squeezing the push rod is fixed to the outer side of the rotating rod.

[0013] Preferably, the driving assembly includes a threaded rod, which is engaged with the internal thread of the mounting sleeve, one end of the threaded rod is connected to the rotating rod through a transmission assembly, the other end of the threaded rod is outside the mounting sleeve and is fixed with a mounting plate, and a handle for driving the mounting plate to rotate is fixed on the mounting plate.

[0014] Preferably, the transmission assembly includes a spline groove opened at the end of the threaded rod, and a spline shaft matching with the spline groove is slidably connected to the spline groove, and one end of the spline shaft is fixed to one end of the rotating rod.

[0015] Preferably, the guide assembly includes a strip plate fixed at one end of the blocking pin, the strip plate is located outside the piston tube, a rectangular plate is fixed on the strip plate, a plurality of groups of first sleeves are fixed to the outside of the mounting sleeve, each group of the first sleeves is slidably connected with a first guide slide rod, and one end of the first guide slide rod is fixed to the rectangular plate.

[0016] Preferably, the elastic component includes an annular plate fixed inside the piston tube, the second piston plate is located between the annular plate and the positioning ring, multiple groups of second sleeves are fixed on the annular plate, a second guide slide rod is slidably connected to the second sleeve, one end of the second guide slide rod is fixed to one side of the second piston plate, a second spring is sleeved on the outer side of the second sleeve, and both ends of the second spring are respectively set to resist the annular plate and the second piston plate.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] In the process of using the pipeline flow detection, control and adjustment device to monitor and adjust the lithium battery injection volume of the present invention, the mutual cooperation of the detection sensor and the adjustment component is convenient for detecting and controlling the flow of the fluid inside the pipeline valve body, and in the process when the pipeline does not need to transport the fluid, the sealing component is used to seal and plug the controlled and adjusted ball body to avoid leakage on the valve body affecting the subsequent flow detection accuracy. In the sealing process, the pressurizing component is used to ensure the sealing effect between the annular sealing airbag and the ball body, and in the process of re-inflating and pressurizing the inside of the annular sealing airbag, the pushing distance of the second piston plate changes with the pressure at the water inlet end of the valve body. The greater the pressure at the water inlet end of the valve body, the longer the distance the second piston plate is pushed to slide, thereby improving the effect of inflating and pressurizing the inside of the annular sealing airbag, and facilitating the full sealing operation after the valve body is closed. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall appearance structure of the present invention;

[0020] Figure 2 It is a schematic diagram of the internal structure of the valve body of the present invention;

[0021] Figure 3 It is a schematic diagram of the structure of the rotating assembly of the present invention;

[0022] Figure 4 It is a schematic diagram of the structure of the driving assembly of the present invention;

[0023] Figure 5 It is a schematic diagram of the threaded rod structure of the present invention;

[0024] Figure 6 It is a schematic diagram of the transmission assembly structure of the present invention;

[0025] Figure 7 It is a schematic diagram of the structure of the sealing component and the pushing component of the present invention;

[0026] Figure 8 It is a schematic diagram of the structure of the pressurizing component, the guiding component and the elastic component of the present invention.

[0027] In the figure: 101, valve body; 102, flange; 103, detection sensor; 201, spherical groove; 202, sphere; 203, through hole; 301, mounting sleeve; 302, annular support plate; 303, rotating rod; 401, threaded rod; 402, mounting plate; 403, handle; 501, spline groove; 502, spline shaft; 601, annular mounting cavity; 602, annular sealing airbag; 603, connecting pipe; 604, piston pipe ; 605, first piston plate; 701, push rod; 702, first spring; 703, diamond plate; 801, second piston plate; 802, connecting pipe; 803, positioning ring; 901, annular plate; 902, second sleeve; 903, second guide slide rod; 904, second spring; 10, blocking pin; 1101, strip plate; 1102, rectangular plate; 1103, first sleeve; 1104, first guide slide rod; 12, transmission rod. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] Example 1

[0030] See also Figure 1-Figure 8 , a pipe network flow detection control and regulation device shown in the figure includes a valve body 101, and flanges 102 for auxiliary installation and connection are fixed at the front and rear ends of the valve body 101;

[0031] It should be noted here that the flange 102 is mainly for the convenience of installation and connection with other external pipelines;

[0032] The valve body 101 is provided with a detection sensor 103 for auxiliary flow detection;

[0033] It should be noted that common detection sensors 103 mainly include ultrasonic sensors, electromagnetic flow meters, etc. The detection sensors 103 are conventional technical means in the flow detection process, and will not be described in detail here;

[0034] It also includes an adjusting component disposed on the valve body 101 for adjusting the flow rate inside the valve body 101 during the flow rate detection process, the adjusting component includes a spherical groove 201 provided inside the valve body 101, a spherical body 202 is rotatably connected inside the spherical groove 201, a through hole 203 is provided on the spherical body 202, a rotating component for rotating the spherical body 202 is provided on the valve body 101, a sealing component for sealing the spherical body 202 after rotation is provided inside the valve body 101, two groups of sealing components are provided, and the two groups of sealing components are symmetrically arranged on the front and rear sides of the spherical body 202;

[0035] The sealing assembly includes an annular installation cavity 601 formed on the inner wall of the spherical groove 201, and an annular sealing airbag 602 is installed inside the annular installation cavity 601;

[0036] It should be noted that: when the annular sealing airbag 602 is in the initial state, some gas is stored inside the annular sealing airbag 602, so that the annular sealing airbag 602 can be expanded quickly and flexibly during the subsequent inflation;

[0037] A connecting pipe 603 is installed inside the valve body 101, one end of which is communicated with the inside of the annular sealing airbag 602. A piston tube 604 is installed on the valve body 101, the connecting pipe 603 is communicated with the piston tube 604, the inside of the piston tube 604 is slidably connected with a first piston plate 605, the rotating assembly is provided with a pushing assembly for pushing the first piston plate 605, and the inside of the piston tube 604 is provided with a pressurizing assembly for pressurizing the inside of the annular sealing airbag 602 according to the pressure at the water inlet end;

[0038] It should be noted here that: during the use of the pipeline network, the detection sensor 103 and the adjustment component cooperate with each other to facilitate the flow detection and control and adjustment of the fluid inside the pipeline network valve body 101. When the pipeline network does not need to transport fluid, the sealing component is used to seal the ball 202 after control and adjustment to avoid leakage on the valve body 101 affecting the accuracy of subsequent flow detection. During the sealing process, the pressurizing component is used to ensure the sealing effect between the annular sealing airbag 602 and the ball 202. In the process of inflating and pressurizing the inside of the annular sealing airbag 602 again, the pushing distance of the second piston plate 801 changes with the pressure at the water inlet end of the valve body 101. The greater the pressure at the water inlet end of the valve body 101, the longer the distance the second piston plate 801 is pushed to slide, thereby improving the effect of inflating and pressurizing the inside of the annular sealing airbag 602, and facilitating the full sealing operation after the valve body 101 is closed.

[0039] Preferably, the pressurizing assembly includes a second piston plate 801 slidably connected to the inside of the piston tube 604, an elastic assembly for elastically pushing the second piston plate 801 is arranged inside the piston tube 604, a positioning ring 803 for positioning against the second piston plate 801 is fixed inside the piston tube 604, a connecting pipe 802 is fixed on the valve body 101, one end of the connecting pipe 802 is communicated with the water inlet end of the valve body 101, and the other end of the connecting pipe 802 is communicated with the inside of the piston tube 604;

[0040] It should be noted here that: through the connecting function of the connecting pipe 802, part of the fluid at the water inlet end of the valve body 101 enters into the interior of the piston tube 604 and generates thrust on the second piston plate 801. In the process of pushing the second piston plate 801, part of the gas inside the piston tube 604 is squeezed and transported to the interior of the annular sealing airbag 602 through the second piston plate 801, so that the annular sealing airbag 602 continues to expand under the action of the inflation pressure, thereby ensuring the sealing effect between the annular sealing airbag 602 and the sphere 202.

[0041] Preferably, a blocking pin 10 for blocking the end of the connecting pipe 802 is slidably connected inside the piston tube 604, a guide assembly for guiding the movement of the blocking pin 10 is provided on the outer side of the valve body 101, and a transmission rod 12 is slidably connected to the second piston plate 801, and both ends of the transmission rod 12 are respectively fixed to the first piston plate 605 and the blocking pin 10;

[0042] It should be noted that: when the first piston plate 605 moves toward the inside of the piston tube 604, the blocking pin 10 is pushed by the transmission rod 12 to move, so that the blocking pin 10 no longer blocks the connecting tube 802. Through the connecting effect of the connecting tube 802, part of the fluid at the water inlet end of the valve body 101 enters the inside of the piston tube 604 and generates thrust on the second piston plate 801.

[0043] It is worth noting here that: when the annular sealing airbag 602 is not inflated, the connecting tube 802 and the piston tube 604 are blocked by the blocking pin 10 to prevent the connecting tube 802 and the piston tube 604 from being in a connected state and causing the annular sealing airbag 602 to be inflated and pressurized, causing the annular sealing airbag 602 to be in an expanded state for a long time, affecting the continuous sealing use of the annular sealing airbag 602.

[0044] Preferably, the rotating assembly includes a mounting sleeve 301 which is connected to the upper end of the valve body 101, an annular support plate 302 is fixed inside the mounting sleeve 301, a rotating rod 303 is rotatably connected to the inner side of the annular support plate 302, one end of the rotating rod 303 is fixed to the ball 202, and a driving assembly for driving the rotating rod 303 is provided on the mounting sleeve 301;

[0045] It should be noted here that: the driving assembly drives the rotating rod 303 to rotate inside the annular support plate 302, and the rotation of the rotating rod 303 drives the ball 202 to rotate.

[0046] Preferably, the pushing assembly includes a push rod 701 slidably connected to one end of the piston tube 604, one end of the push rod 701 is located inside the piston tube 604 and fixed to one side of the first piston plate 605, a first spring 702 is sleeved on the outer side of the push rod 701, and the two ends of the first spring 702 are respectively connected to the first piston plate 605 and the inner wall of the piston tube 604, and a diamond plate 703 for abutting and squeezing the push rod 701 is fixed on the outer side of the rotating rod 303;

[0047] It should be noted here that: in the process of driving the sphere 202 to rotate, the diamond plate 703 is driven to rotate through the rotating rod 303. In the process of the diamond plate 703 rotating, the diamond plate 703 is abutted against one end of the push rod 701, pushing the push rod 701 and the first piston plate 605 at one end of the push rod 701 to move toward the inside of the piston tube 604.

[0048] Preferably, the driving assembly includes a threaded rod 401, the threaded rod 401 is meshed with the internal thread of the mounting sleeve 301, one end of the threaded rod 401 is connected to the rotating rod 303 through a transmission assembly, the other end of the threaded rod 401 is outside the mounting sleeve 301 and is fixed with a mounting plate 402, and a handle 403 for rotating the mounting plate 402 is fixed on the mounting plate 402;

[0049] It should be noted here that: the mounting disk 402 is driven to rotate by the handle 403. During the rotation of the mounting disk 402, the spline groove 501 on the threaded rod 401 and the spline shaft 502 are connected to drive the rotating rod 303 to rotate on the annular support plate 302. The rotation of the rotating rod 303 drives the ball 202 to rotate. During the entire transmission process, after the threaded rod 401 rotates, the self-locking effect of the threaded rod 401 after the meshing transmission with the inner wall of the mounting sleeve 301 limits the rotated threaded rod 401, the spline shaft 502, the rotating rod 303 and the ball 202, so as to maintain the controlled and adjusted state.

[0050] Preferably, the transmission assembly includes a spline groove 501 formed at the end of the threaded rod 401, a spline shaft 502 matching the spline groove 501 is slidably connected to the spline groove 501, and one end of the spline shaft 502 is fixed to one end of the rotating rod 303;

[0051] It should be noted here that: during the rotation of the threaded rod 401, the rotating rod 303 is driven to rotate through the spline groove 501 and the spline shaft 502, and through the action of the spline groove 501 and the spline shaft 502, one end of the threaded rod 401 can reliably telescope toward the rotating rod 303.

[0052] Preferably, the guide assembly includes a strip plate 1101 fixed to one end of the blocking pin 10, the strip plate 1101 is located outside the piston tube 604, a rectangular plate 1102 is fixed to the strip plate 1101, multiple groups of first sleeves 1103 are fixed to the outside of the mounting sleeve 301, each group of first sleeves 1103 is slidably connected to a first guide slide bar 1104, and one end of the first guide slide bar 1104 is fixed to the rectangular plate 1102;

[0053] It should be noted here that: during the movement of the blocking pin 10 under force, the strip plate 1101 and the rectangular plate 1102 are driven to move synchronously. During the movement of the rectangular plate 1102, the movement of the blocking pin 10 after force is applied is guided by the sliding guiding action of multiple groups of first sleeves 1103 and first guide slide rods 1104.

[0054] Preferably, the elastic component includes an annular plate 901 fixed inside the piston tube 604, the second piston plate 801 is between the annular plate 901 and the positioning ring 803, a plurality of second sleeves 902 are fixed on the annular plate 901, a second guide slide bar 903 is slidably connected to the second sleeve 902, one end of the second guide slide bar 903 is fixed to one side of the second piston plate 801, a second spring 904 is sleeved on the outer side of the second sleeve 902, and the two ends of the second spring 904 are respectively set against the annular plate 901 and the second piston plate 801;

[0055] It should be noted here that: the movement of the second piston plate 801 after being subjected to force is guided by multiple sets of second sleeves 902 and second guide slide rods 903, and the second piston plate 801 is pushed against each other by multiple sets of second springs 904, so that the second piston plate 801 is against the positioning ring 803, thereby achieving the effect of positioning the second piston plate 801.

[0056] In this scheme: a pipe network flow detection control and regulation device comprises the following steps:

[0057] In the process of using the pipeline flow detection control and regulation device to monitor and regulate the amount of lithium battery injection, the flow of the liquid transported inside the pipeline of the pipeline valve body 101 is detected through the detection sensor 103 on the valve body 101. During the detection process, the ball 202 is driven to rotate inside the spherical groove 201 through the cooperation of the driving component, the transmission component and the rotating component. During the rotation of the ball 202, the cross-sectional area of ​​the through hole 203 on the ball 202 and the inside of the valve body 101 is adjusted to achieve the purpose of controlling and regulating the speed and pressure of the fluid during the pipeline flow detection process, ensuring the safety and stability of the operation of the pipeline under different conditions, and avoiding problems caused by excessively high or low flow. The driving component During the process of rotating the ball 202, the mounting plate 402 is driven to rotate by the handle 403. During the process of rotating the mounting plate 402, the spline groove 501 on the threaded rod 401 and the spline shaft 502 are connected and driven to drive the rotating rod 303 to rotate on the annular support plate 302. The ball 202 is driven to rotate by the rotation of the rotating rod 303. During the whole transmission process, after the threaded rod 401 rotates, the threaded rod 401, the spline shaft 502, the rotating rod 303 and the ball 202 are limited by the self-locking effect after the meshing transmission between the threaded rod 401 and the inner wall of the mounting sleeve 301, so as to maintain the state after control and adjustment.

[0058] In the process that the pipeline network does not need to transport fluid, the ball 202 is driven to rotate and the valve body 101 is blocked. In the process of driving the ball 202 to rotate, the diamond plate 703 is driven to rotate through the rotating rod 303. In the process of the diamond plate 703 rotating, the diamond plate 703 is abutted against one end of the push rod 701, and the push rod 701 and the first piston plate 605 at one end of the push rod 701 are pushed toward the inside of the piston tube 604. During the movement of the first piston plate 605, part of the gas inside the piston tube 604 is transported to the inside of the annular sealing airbag 602 through the connecting pipe 603, and the inside of the annular sealing airbag 602 is inflated to generate pressure. Through the action of pressure, the annular sealing airbag 602 is expanded and faces the outside of the ball 202, and the ball 202 after control and adjustment is sealed and blocked, so as to avoid leakage on the valve body 101 affecting the accuracy of subsequent flow detection;

[0059] In the process of the first piston plate 605 moving toward the inside of the piston tube 604, the blocking pin 10 is pushed by the transmission rod 12 to move, so that the blocking pin 10 no longer blocks the connecting pipe 802. Through the connecting effect of the connecting pipe 802, part of the fluid at the water inlet end of the valve body 101 enters the inside of the piston tube 604 and generates thrust on the second piston plate 801. In the process of pushing the second piston plate 801, part of the gas inside the piston tube 604 is squeezed and transported to the inside of the annular sealing airbag 602 through the second piston plate 801, so that The annular sealing airbag 602 continues to expand under the action of the inflation pressure, ensuring the sealing effect between the annular sealing airbag 602 and the spherical body 202, and in the process of inflating and pressurizing the inside of the annular sealing airbag 602 again, the pushing distance of the second piston plate 801 changes with the pressure at the water inlet end of the valve body 101. The greater the pressure at the water inlet end of the valve body 101, the longer the distance the second piston plate 801 is pushed to slide, thereby improving the effect of inflating and pressurizing the inside of the annular sealing airbag 602, and facilitating the full sealing operation after the valve body 101 is closed.

[0060] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0061] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pipe network flow detection, control and regulation device, comprising: A valve body (101), wherein flanges (102) for auxiliary installation and connection are fixed at the front and rear ends of the valve body (101), and a detection sensor (103) for auxiliary flow detection is arranged on the valve body (101); It is characterized by further comprising: An adjusting component is arranged on the valve body (101) and is used for adjusting the flow rate inside the valve body (101) during the flow rate detection process. The adjusting component comprises a spherical groove (201) provided inside the valve body (101), a spherical body (202) is rotatably connected inside the spherical groove (201), a through hole (203) is provided on the spherical body (202), a rotating component for rotating the spherical body (202) is arranged on the valve body (101), and a sealing component for sealing the spherical body (202) after rotation is arranged inside the valve body (101), and two groups of sealing components are provided, and the two groups of sealing components are symmetrically arranged on the front and rear sides of the spherical body (202); The sealing assembly comprises an annular mounting cavity (601) formed on the inner wall of the spherical groove (201), an annular sealing airbag (602) being mounted inside the annular mounting cavity (601), a connecting pipe (603) being mounted inside the valve body (101), one end of the connecting pipe (603) being in communication with the interior of the annular sealing airbag (602), a piston tube (604) being mounted on the valve body (101), the connecting pipe (603) being in communication with the piston tube (604), a first piston plate (605) being slidably connected inside the piston tube (604), a pushing assembly for pushing the first piston plate (605) being disposed on the rotating assembly, and a pressurizing assembly for pressurizing the interior of the annular sealing airbag (602) according to the pressure at the water inlet end being disposed inside the piston tube (604); The pressurizing component comprises a second piston plate (801) slidably connected to the inside of the piston tube (604); an elastic component for elastically pushing the second piston plate (801) is arranged inside the piston tube (604); a positioning ring (803) for positioning against the second piston plate (801) is fixed inside the piston tube (604); a connecting pipe (802) is fixed on the valve body (101); one end of the connecting pipe (802) is communicated with the water inlet end of the valve body (101), and the other end of the connecting pipe (802) is communicated with the inside of the piston tube (604); A blocking pin (10) for blocking the end of the connecting tube (802) is slidably connected inside the piston tube (604), and a guide assembly for guiding the movement of the blocking pin (10) is provided on the outer side of the valve body (101). A transmission rod (12) is slidably connected to the second piston plate (801), and both ends of the transmission rod (12) are respectively fixed to the first piston plate (605) and the blocking pin (10).

2. A pipe network flow detection, control and regulation device according to claim 1, characterized in that: The rotating assembly comprises a mounting sleeve (301) which is connected to the upper end of the valve body (101), an annular support plate (302) is fixed inside the mounting sleeve (301), a rotating rod (303) is rotatably connected to the inner side of the annular support plate (302), one end of the rotating rod (303) is fixed to the ball (202), and a driving assembly for driving the rotating rod (303) is provided on the mounting sleeve (301).

3. A pipe network flow detection, control and regulation device according to claim 2, characterized in that: The pushing assembly includes a push rod (701) slidably connected to one end of the piston tube (604), one end of the push rod (701) is located inside the piston tube (604) and fixed to one side of the first piston plate (605), the outer side of the push rod (701) is sleeved with a first spring (702), the two ends of the first spring (702) are respectively connected to the first piston plate (605) and the inner wall of the piston tube (604), and the outer side of the rotating rod (303) is fixed with a diamond plate (703) for pressing against the push rod (701).

4. A pipe network flow detection, control and regulation device according to claim 3, characterized in that: The driving assembly comprises a threaded rod (401), the threaded rod (401) is meshedly connected with the internal thread of the mounting sleeve (301), one end of the threaded rod (401) is connected to the rotating rod (303) via a transmission assembly, the other end of the threaded rod (401) is located outside the mounting sleeve (301) and is fixed with a mounting plate (402), and a handle (403) for rotating and driving the mounting plate (402) is fixed on the mounting plate (402).

5. A pipe network flow detection, control and regulation device according to claim 4, characterized in that: The transmission assembly comprises a spline groove (501) formed at the end of the threaded rod (401), a spline shaft (502) matching the spline groove (501) being slidably connected thereto, and one end of the spline shaft (502) is fixed to one end of the rotating rod (303).

6. A pipe network flow detection, control and regulation device according to claim 2, characterized in that: The guide assembly comprises a strip plate (1101) fixed to one end of the blocking pin (10), the strip plate (1101) being located outside the piston tube (604), a rectangular plate (1102) being fixed on the strip plate (1101), a plurality of groups of first sleeves (1103) being fixed to the outside of the mounting sleeve (301), each group of the first sleeves (1103) being slidably connected to a first guide slide bar (1104), one end of the first guide slide bar (1104) being fixed to the rectangular plate (1102).

7. A pipe network flow detection, control and regulation device according to claim 2, characterized in that: The elastic component includes an annular plate (901) fixed inside the piston tube (604), the second piston plate (801) is located between the annular plate (901) and the positioning ring (803), multiple groups of second sleeves (902) are fixed on the annular plate (901), and a second guide slide bar (903) is slidably connected to the second sleeve (902), one end of the second guide slide bar (903) is fixed to one side of the second piston plate (801), and a second spring (904) is sleeved on the outer side of the second sleeve (902), and the two ends of the second spring (904) are respectively set to resist the annular plate (901) and the second piston plate (801).

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