Adjusting assembly of quick-opening high-temperature spherical sealing stop valve

Abstract

The invention discloses an adjusting assembly of a quick-opening high-temperature spherical sealing cut-off valve, and relates to the technical field of cut-off valves, the assembly comprises a valve body, and the valve body comprises a fixed seat and a rotating seat; the valve clack mechanism comprises a fixed valve clack and a rotating valve clack, the fixed valve clack is arranged in the fixed seat, and the rotating valve clack is arranged in the rotating seat; the adjusting mechanism can adjust the friction force between the rotating valve clack and the fixed valve clack when the rotating valve clack rotates and enables the friction force to recover to the initial size by means of a medium introduced into the stop valve after the rotating valve clack stops rotating. Through the arrangement of the annular groove, the adjusting mechanism and other devices, part of flowing media can move towards the direction of the other communication groove through the annular groove and flow towards the direction of the fixing base from the other communication groove, and therefore the problem that due to the fact that openings of the communication grooves become small, the pressure of the flowing media is instantly increased, and the stop valve is damaged is solved.

Description

Technical Field

[0001] The invention relates to the technical field of cut-off valves, and in particular to an adjusting component of a fast-opening high-temperature spherical sealing cut-off valve. Background Art

[0002] In the field of valve technology, the quick-opening high-temperature spherical seal cut-off valve is a key equipment widely used in high temperature, high pressure and special working conditions. Its stability and reliability are crucial to ensure the safe cut-off of fluids in pressure pipelines. In order to optimize the performance of this type of valve, especially the sealing effect and friction adjustment under high temperature and high speed conditions, the adjustment component of the quick-opening high-temperature spherical seal cut-off valve is an important technical innovation. It solves the problem that the friction of traditional valves is difficult to adjust under high temperature and high speed conditions, and injects new vitality into the development of the valve industry.

[0003] The Chinese patent application number 202011336531.X discloses a quick-opening mechanism of a high-temperature spherical sealing cut-off valve, which relates to the field of valves, and includes a valve body, a valve seat, a valve cover, a valve disc, a valve stem, and a driving device for driving the valve stem to rotate. The valve stem and the valve disc are coaxially arranged and fixedly connected. The valve body and the valve cover are provided with an exhaust channel for gas circulation. The valve disc and the valve seat are located on the path of the exhaust channel. The valve seat is fixedly installed in the valve body and is provided with a first through hole that penetrates the exhaust channel. The valve disc is provided with a second through hole corresponding to the first through hole. The exhaust channel has three states: open when the first through hole and the second through hole overlap when the valve disc rotates, half-open when they partially overlap, and closed when they do not overlap. This invention has the advantage of good pressure relief and diversion effect.

[0004] Similar to the high-temperature cut-off valve of the above-mentioned prior art, when the valve is opened and closed by controlling the rotation of the valve disc, the movement state of the sealing end of the valve disc and the valve seat switches between relative stillness and relative movement. In the relative stillness state, in order to improve the sealing effect, it is necessary to enhance the friction between the valve disc and the sealing end to avoid leakage of the medium in the valve. In the relative movement state, in order to avoid affecting the rotation of the valve disc and protect the sealing end, it is necessary to reduce the friction. The prior art lacks a device for adaptively adjusting the friction between the valve disc and the sealing end when the valve is opened and closed.

[0005] Therefore, it is necessary to invent a regulating assembly of a fast-opening high-temperature spherical sealing cut-off valve to solve the above problems. Summary of the invention

[0006] The object of the present invention is to provide a regulating assembly for a fast-opening high-temperature spherical sealing cut-off valve to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above object, the present invention provides the following technical solution: an adjustment component of a fast-opening high-temperature spherical sealing cut-off valve, comprising: A valve body, the valve body comprising a fixed seat and a rotating seat; A valve flap mechanism, the valve flap mechanism comprising a fixed valve flap and a rotating valve flap, the fixed valve flap is arranged in a fixed seat, and the rotating valve flap is arranged in a rotating seat; An adjusting mechanism, wherein the adjusting mechanism is arranged in the rotating valve disc, and the adjusting mechanism can adjust the friction between the rotating valve disc and the fixed valve disc when the rotating valve disc rotates, and restore the friction to an initial value by means of the medium introduced into the cut-off valve after the rotation stops; The regulating mechanism comprises: Limiting grooves, two of which are symmetrically distributed and arranged at one end of the rotating valve disc close to the fixed valve disc; A reset member, wherein a plurality of reset members are arranged in a ring array in each of the limit grooves; The two seals are respectively arranged in two limiting grooves and each seal is elastically connected to the corresponding limiting groove through multiple sets of reset parts. The diameter of one end of each seal close to the fixed valve disc is larger than the diameter of the other end away from the fixed valve disc.

[0008] Preferably, a rotating mechanism is provided on the valve body, and the rotating mechanism can drive the rotating valve disc to rotate; A driving mechanism, wherein the driving mechanism is arranged above the rotating seat and can drive the rotating mechanism to rotate; Preferably, the rotating valve flap comprises: A communicating groove, wherein the two communicating grooves are symmetrically arranged on the rotating valve flap, and the two communicating grooves correspond to the two limiting grooves one by one and are connected to each other. The fixed valve flap is provided with a communicating groove having the same structure as the rotating valve flap, and the fixed valve flap and the rotating valve flap are connected to each other through a plurality of communicating grooves; The communicating cavity is arranged in the middle of the rotating valve flap, and through holes are respectively arranged at both ends of the communicating cavity and communicate with the outside through the through holes.

[0009] Preferably, the rotating valve flap further comprises: Push grooves, two of which are symmetrically arranged in the rotating valve disc, and one end of the two push grooves is connected to the connecting cavity, and the other end of the push groove is connected to the limiting groove. The flow medium entering the connecting cavity can move toward the sealing part through the push groove and push the sealing part to separate from the fixed valve disc.

[0010] Preferably, the rotating seat comprises: An inlet, the inlet is provided at one end of the rotating seat away from the fixed seat, one end of the inlet extends into the interior of the rotating seat and is communicated with the interior of the rotating seat, and the other end of the inlet is fixedly connected to a transmission pipe; Annular grooves, the two annular grooves are respectively opened inside the rotating seat and the fixed seat, and the annular grooves located in the rotating seat are connected with the inlet. A part of the flowing medium entering the rotating seat through the inlet can directly flow toward the fixed seat through the connecting groove arranged at the inlet, and another part of the flowing medium can first flow through the annular groove to the other connecting groove and then flow from the connecting groove to the fixed seat.

[0011] Preferably, the adjustment mechanism further comprises: An adjusting disk, wherein the adjusting disk is fixedly mounted on the central area of ​​the annular groove, and the adjusting disk is fixedly connected to the rotating seat; An adjusting member, wherein two adjusting members are symmetrically arranged on an adjusting disk, and a slide groove is provided on the adjusting disk for enabling the adjusting members to slide, the two adjusting members and the two connecting grooves are alternately arranged, and a reset spring is provided at the connection between the adjusting member and the adjusting disk for enabling the adjusting member to reset; A commutation cavity, wherein the commutation cavity is disposed in a central area of ​​the regulating member; The regulating tube is arranged in the regulating member, and one end of the regulating tube passes through the regulating member and is connected to the exchange chamber, and the other end is arranged in the connection area between the regulating member and the regulating disk and passes through the regulating member. When one end of the regulating tube moves into the annular groove, the regulating tube can transfer the medium entering the annular groove to the exchange chamber.

[0012] Preferably, the rotating mechanism comprises: A fixing frame, wherein the fixing frame is fixedly mounted on the fixing seat; A fixed shaft, one end of which is fixedly connected to the fixing frame, and the other end of which passes through the fixing seat and the fixed valve flap in sequence and is fixedly connected to the fixing seat and the fixed valve flap; A rotating frame, wherein the rotating frame is fixedly mounted on the rotating seat; A rotating shaft, one end of which is rotatably connected to the rotating seat and transmission-connected to the driving mechanism, and the other end of which passes through the rotating seat and is rotatably connected to the rotating valve flap, and the rotating shaft is rotatably connected to the fixed shaft.

[0013] Preferably, the rotating mechanism further comprises: The first connecting hole and the second connecting hole are both provided on the rotating shaft, and the first connecting hole and the second connecting hole correspond to each other and are connected to each other. The first connecting hole is connected to the exchange chamber, and the second connecting hole is connected to the pushing groove.

[0014] Preferably, the rotating mechanism further comprises: A first rotating plate, wherein the first rotating plate is fixedly mounted on the rotating shaft and is located in the commutation cavity, and the first rotating plate can push the adjusting member to move in the direction of the annular groove during rotation; A second rotating plate, wherein the second rotating plate is fixedly mounted on the rotating shaft and is located in the communicating cavity; The push block is symmetrically arranged in the connecting cavity. When the rotating shaft rotates, the adjusting member can be driven to move through the first rotating plate first, and then contact the push block through the second rotating plate, and drive the rotating valve flap to rotate.

[0015] Preferably, the adjustment component also includes: A pressure sensor, which is arranged in the valve body and can monitor the pressure of the medium flowing through the valve body in real time; A support frame, the support frame is arranged at the bottom of the valve body, and the support frame can provide support for the valve body and the driving mechanism; The outlet is opened at one end of the fixed seat away from the rotating seat, one end of the outlet extends into the interior of the fixed seat and is communicated with the interior of the fixed seat, and the other end is fixedly connected with a transmission pipe.

[0016] Technical effects and advantages of the present invention: 1. The present invention arranges an annular groove and an adjusting mechanism so that part of the flowing medium moves through the annular groove toward another connecting groove and flows from the other connecting groove toward the fixed seat, thereby avoiding the problem of damaging the cut-off valve due to the instantaneous increase in the flowing medium pressure caused by the smaller opening of the connecting groove.

[0017] 2. The present invention moves the adjusting member toward the side wall of the annular groove by rotating the rotating shaft, thereby reducing the opening of the annular groove, so that a large amount of medium can only move toward the outlet direction through the connecting groove at the inlet. At this time, the adjusting pipe on the adjusting member is not connected with the annular groove, and the connecting groove far away from the inlet is cooled by the cooling component, so that the two connecting grooves are used alternately, thereby avoiding the problem of excessive temperature in a single connecting groove area causing the device to rupture due to thermal expansion and contraction and other factors, resulting in medium leakage.

[0018] 3. The present invention cooperates with the adjusting mechanism and the rotating mechanism. On the one hand, the second rotating plate and the pushing block are used to drive the rotating valve flap to rotate, so that the flowing medium replaces the seal to seal the fixed valve flap and the rotating valve flap, thereby reducing the dynamic friction of the fixed valve flap and the rotating valve flap and playing a certain lubricating role, avoiding the problem of severe wear or damage of the rotating valve flap during rotation due to excessive friction; on the other hand, the flowing medium is able to push the seal to move in the direction of the fixed valve flap, so that the seal contacts the fixed valve flap again and replaces the flowing medium to seal the fixed valve flap and the rotating valve flap, thereby improving the static friction of the device and avoiding the problem of leakage of the flowing medium, thereby realizing adaptive adjustment of the friction of the device. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0020] Figure 2 It is a schematic diagram of the split structure of the fixed seat and the rotating seat of the present invention.

[0021] Figure 3 It is a schematic diagram of the split structure of the fixed seat and the rotating seat at another angle of the present invention.

[0022] Figure 4 It is a half-section schematic diagram of the overall structure of the present invention.

[0023] Figure 5 It is a schematic diagram of the split structure of the rotary valve disc of the present invention.

[0024] Figure 6 For the present invention Figure 5 Schematic diagram of the mechanism structure at A in the middle.

[0025] Figure 7 It is a cross-sectional schematic diagram of the internal structure of the rotating seat and the rotating valve disc of the present invention.

[0026] Figure 8 For the present invention Figure 4 Schematic diagram of the mechanism structure at B in the middle.

[0027] Fig. 9 It is a half-section schematic diagram of the internal structure of the rotating seat of the present invention.

[0028] In the figure: 1. valve body; 11. fixed seat; 111. outlet; 12. rotating seat; 121. inlet; 122. annular groove; 2. rotating mechanism; 21. fixed frame; 22. fixed shaft; 23. rotating frame; 24. rotating shaft; 25. first connecting hole; 26. second connecting hole; 27. first rotating plate; 28. second rotating plate; 3. valve flap mechanism; 31. fixed valve flap; 32. rotating valve flap; 321. connecting chamber; 322. pushing groove; 323. pushing block; 4. driving mechanism; 5. adjusting mechanism; 51. limiting groove; 52. reset member; 53. sealing member; 54. adjusting disk; 55. adjusting member; 56. exchange chamber; 57. adjusting pipe; 6. connecting groove; 7. supporting frame. DETAILED DESCRIPTION

[0029] 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.

[0030] To avoid the problem of damage to the sealing cut-off valve due to excessive pressure when opening and closing, such as Figures 1 to 9As shown, the first embodiment of the present invention provides a regulating assembly for a fast-opening high-temperature spherical sealing cut-off valve, comprising: The valve body 1 includes a fixed seat 11 and a rotating seat 12. The fixed seat 11 and the rotating seat 12 are tightly fixedly connected by threaded connection, and a sealing sheet that enables the fixed seat 11 and the rotating seat 12 to be sealed and connected is provided at one end where the fixed seat 11 and the rotating seat 12 are in contact with each other.

[0031] The valve flap mechanism 3 includes a fixed valve flap 31 and a rotating valve flap 32. The fixed valve flap 31 is arranged in the fixed seat 11, and the rotating valve flap 32 is arranged in the rotating seat 12. The fixed valve flap 31 and the fixed seat 11 are fixedly connected, the rotating valve flap 32 and the rotating seat 12 are rotationally connected, and the fixed valve flap 31 and the rotating valve flap 32 are sealed and rotatingly connected.

[0032] The rotating mechanism 2 is arranged on the valve body 1 , and the rotating mechanism 2 can drive the rotating valve disc 32 to rotate.

[0033] The driving mechanism 4 is disposed above the rotating seat 12 , and the driving mechanism 4 can drive the rotating mechanism 2 to rotate.

[0034] The support frame 7 is arranged at the bottom of the valve body 1 , and the support frame 7 can provide support for the valve body 1 and the driving mechanism 4 .

[0035] The outlet 111 is disposed at one end of the fixed seat 11 away from the rotating seat 12 . One end of the outlet 111 extends into the interior of the fixed seat 11 and is communicated with the interior of the fixed seat 11 . The other end of the outlet 111 is fixedly connected with a transmission pipe.

[0036] In this embodiment, the driving mechanism 4 includes: The driving motor is fixedly connected to the supporting frame 7.

[0037] A transmission belt, one end of which is connected to the output shaft of the driving motor, and the other end of which is transmission-connected to the rotating shaft 24 in the rotating mechanism 2. The rotating shaft 24 can be driven to rotate by the rotation of the driving motor.

[0038] In this embodiment, the rotating valve flap 32 includes: The connecting grooves 6 are symmetrically arranged on the rotating valve flap 32. The fixed valve flap 31 is provided with a connecting groove 6 with the same structure as the rotating valve flap 32. The fixed valve flap 31 and the rotating valve flap 32 are connected to each other through a plurality of connecting grooves 6, so that the medium entering the valve body 1 can pass through the connecting grooves 6 in sequence through the fixed valve flap 31 and the rotating valve flap 32 and flow to the other end of the valve body 1.

[0039] The connecting cavity 321 is opened in the middle of the rotating valve flap 32, and through holes are respectively opened at both ends of the connecting cavity 321 and communicate with the outside through the through holes. The rotating mechanism 2 is arranged in the connecting cavity 321, and the rotating mechanism 2 passes through the rotating valve flap 32 and the fixed valve flap 31.

[0040] In this embodiment, the rotating seat 12 includes: The inlet 121 is disposed at one end of the rotating seat 12 away from the fixed seat 11 . One end of the inlet 121 extends into the interior of the rotating seat 12 and is communicated with the interior of the rotating seat 12 . The other end of the inlet 121 is fixedly connected to a transmission pipe.

[0041] The annular grooves 122 are respectively provided inside the rotating seat 12 and the fixed seat 11, and the annular grooves 122 located in the rotating seat 12 are connected with the inlet 121. A part of the flowing medium entering the rotating seat 12 through the inlet 121 can directly flow toward the fixed seat 11 through the connecting groove 6 set at the inlet 121, and another part of the flowing medium can first flow through the annular groove 122 to the other connecting groove 6 and then flow from the connecting groove 6 to the fixed seat 11.

[0042] When the pressure of the flowing medium entering the valve body 1 is within the preset range, a large amount of the flowing medium flows to the connecting groove 6 corresponding to the fixed valve flap 31 through the connecting groove 6 arranged at the inlet 121, and is discharged outward through the outlet 111. When the pressure of the flowing medium entering the valve body 1 exceeds the preset range, part of the flowing medium still flows to the connecting groove 6 corresponding to the fixed valve flap 31 through the connecting groove 6 at the inlet 121, while the other part of the flowing medium flows into the annular groove 122 after entering the rotating seat 12, and flows from another connecting groove 6 to the direction of the fixed seat 11, and then flows to the outlet 111 through the annular groove 122 arranged on the fixed seat 11, thereby reducing the pressure of the flowing medium in the valve body 1 and avoiding the problem of damage to the cut-off valve caused by excessive pressure.

[0043] In this embodiment, the rotating mechanism 2 includes: The fixing frame 21 is fixedly mounted on the fixing seat 11 .

[0044] The fixed shaft 22 has one end fixedly connected to the fixing frame 21 , and the other end passes through the fixing seat 11 and the fixing valve flap 31 in sequence and is fixedly connected to the fixing seat 11 and the fixing valve flap 31 .

[0045] The rotating frame 23 is fixedly mounted on the rotating base 12 .

[0046] The rotating shaft 24 has one end that is rotatably connected to the rotating seat 12 and is transmission-connected to the driving mechanism 4, and the other end that passes through the rotating seat 12 and is sealingly rotatably connected to the rotating seat 12. One end of the rotating shaft 24 that passes through the rotating seat 12 extends into the connecting cavity 321 and is sealingly rotatably connected to the rotating valve flap 32.

[0047] In this embodiment, the rotating mechanism 2 further includes: The second rotating plate 28 is fixedly mounted on the rotating shaft 24 , and the second rotating plate 28 is located in the communicating cavity 321 .

[0048] The push block 323 is symmetrically arranged in the connecting cavity 321. When the rotating shaft 24 rotates, it can drive the second rotating plate 28 to rotate and contact with the push block 323, thereby driving the rotating valve flap 32 to rotate, so that the connecting groove 6 on the rotating valve flap 32 and the connecting groove 6 on the fixed valve flap 31 are intertwined, thereby preventing the flowing medium entering the rotating seat 12 from flowing in the direction of the fixed seat 11, thereby realizing the opening and closing of the valve body 1.

[0049] In this embodiment, the regulating assembly of the sealing cut-off valve further includes: The pressure sensor is arranged in the valve body 1 and can detect the pressure of the medium flowing through the valve body 1 in real time.

[0050] When in use, the driving mechanism 4 is controlled to drive the rotating shaft 24 to rotate, thereby causing the rotating shaft 24 to rotate in the connecting chamber 321. During this process, since the rotating shaft 24 is rotatably connected to the fixed shaft 22, the rotating seat 12 and the rotating valve flap 32, the rotation of the rotating shaft 24 will not drive the fixed shaft 22, the rotating seat 12 and the rotating valve flap 32 to rotate. When the rotating shaft 24 drives the second rotating plate 28 to contact the pushing block 323 during the rotation process, the rotating shaft 24 can drive the pushing block 323 to rotate, thereby causing the rotating valve flap 32 fixedly connected to the pushing block 323 to rotate, causing the rotating valve flap 32 to rotate in the rotating seat 12, changing the relative position between the connecting groove 6 set on the rotating valve flap 32 and the connecting groove 6 set on the fixed valve flap 31, so that the rotating valve flap 32 and the fixed valve flap 31 are connected or closed to each other through the connecting groove 6, thereby completing the start and stop of the shut-off valve.

[0051] When the shut-off valve changes from a connected state to a closed state, the openings of the two opposite connecting grooves 6 become smaller due to the rotation of the rotating valve disc 32. At this time, the pressure of the flowing medium in the valve body 1 will gradually increase. In this state, under the action of pressure, part of the flowing medium will move toward the other connecting groove 6 through the annular groove 122, and flow from the other connecting groove 6 toward the fixed seat 11, thereby avoiding the problem of damage to the shut-off valve caused by the instantaneous increase in the flowing medium pressure due to the smaller opening of the connecting groove 6.

[0052] Furthermore, the operators discovered that when the valve is opened and closed by controlling the rotation of the valve disc, the movement state of the sealing end of the valve disc and the valve seat switches between relative stillness and relative movement. In the relative stillness state, in order to improve the sealing effect, the friction between the valve disc and the sealing end needs to be enhanced to avoid leakage of the medium in the valve. In the relative movement state, in order to avoid affecting the rotation of the valve disc and protect the sealing end, the friction needs to be reduced.

[0053] In order to realize the function of adaptively adjusting the friction between the valve flap and the sealing end, in another embodiment of the present invention, the adjustment component further includes: The adjusting mechanism 5 is arranged in the rotating valve flap 32. The adjusting mechanism 5 can adjust the friction between the rotating valve flap 32 and the fixed valve flap 31 when the rotating valve flap 32 rotates, and restore the friction to its original size by cutting off the medium introduced into the valve after the rotation stops.

[0054] In this embodiment, the adjustment mechanism 5 includes: The limiting grooves 51 are symmetrically distributed and are opened at one end of the rotating valve flap 32 close to the fixed valve flap 31 . The communicating groove 6 corresponds to the two limiting grooves 51 one by one and are connected to each other.

[0055] A plurality of reset members 52 are arranged in a ring array in each limiting groove 51 .

[0056] The two seals 53 are respectively arranged in the two limiting grooves 51 and each seal 53 is elastically connected to the corresponding limiting groove 51 through multiple sets of reset members 52. The diameter of one end of each seal 53 close to the fixed valve flap 31 is larger than the diameter of the other end away from the fixed valve flap 31.

[0057] It should be noted that the seal 53 is configured as a whole in a circular ring shape, and the inner ring diameter of the seal 53 is smaller than the aperture of the connecting groove 6. When the flowing medium flows from the rotating seat 12 to the fixed seat 11, the flowing medium can push the seal 53 to move in the direction of the fixed valve flap 31, thereby improving the sealing strength between the fixed valve flap 31 and the rotating valve flap 32, and further avoiding the problem of leakage of the flowing medium.

[0058] In this embodiment, the rotating valve flap 32 further includes: The push grooves 322 are symmetrically arranged in the rotating valve disc 32, and one end of the two push grooves 322 is connected to the connecting cavity 321, and the other end of the push grooves 322 is connected to the limiting groove 51. The flow medium entering the connecting cavity 321 can move toward the sealing member 53 through the push grooves 322, and push the sealing member 53 to separate from the fixed valve disc 31.

[0059] In this embodiment, the adjustment mechanism 5 further includes: The adjusting disk 54 is fixedly installed in the central area of ​​the annular groove 122 , and the adjusting disk 54 and the rotating seat 12 are fixedly connected.

[0060] The two adjusting members 55 are symmetrically arranged on the adjusting disk 54, and a slide groove enabling the adjusting members 55 to slide is provided on the adjusting disk 54. The two adjusting members 55 and the two connecting grooves 6 are alternately arranged, and a reset spring enabling the adjusting members 55 to reset is provided at the connection between the adjusting members 55 and the adjusting disk 54.

[0061] The commutation cavity 56 is opened in the central area of ​​the adjustment member 55 .

[0062] The regulating tube 57 is arranged in the regulating member 55, and one end of the regulating tube 57 passes through the regulating member 55 and is connected with the flow exchange chamber 56, and the other end is arranged in the connection area between the regulating member 55 and the regulating disk 54 and passes through the regulating member 55. When one end of the regulating tube 57 moves into the annular groove 122, the regulating tube 57 can transfer the medium entering the annular groove 122 to the flow exchange chamber 56.

[0063] In this embodiment, the rotating mechanism 2 further includes: The first connecting hole 25 and the second connecting hole 26 are both opened on the rotating shaft 24 , and the first connecting hole 25 and the second connecting hole 26 correspond to each other and are connected to each other. The first connecting hole 25 is connected to the exchange chamber 56 , and the second connecting hole 26 is connected to the pushing groove 322 .

[0064] The first rotating plate 27 is fixedly mounted on the rotating shaft 24 and is located in the flow conversion chamber 56 . The first rotating plate 27 can push the adjusting member 55 to move toward the annular groove 122 during rotation.

[0065] When the rotating shaft 24 rotates, the adjusting member 55 can be driven to move through the first rotating plate 27 , and then contact the pushing block 323 through the second rotating plate 28 , thereby driving the rotating valve flap 32 to rotate.

[0066] During use, when the valve body 1 needs to be changed from a connected state to a closed state, the rotating shaft 24 is driven to rotate by controlling the driving motor. In this state, since the distance between the pushing block 323 and the second rotating plate 28 is greater than the distance between the adjusting member 55 and the first rotating plate 27, and the first rotating plate 27 and the second rotating plate 28 are on the same plane, when the rotating shaft 24 rotates and drives the first rotating plate 27 and the second rotating plate 28 to rotate at the same time, the first rotating plate 27 will first contact with the adjusting member 55, and push the adjusting member 55 to move in the direction of the annular groove 122 and contact the side wall of the annular groove 122, so that the flowing medium entering the annular groove 122 cannot pass through the annular groove 122. The groove 122 flows in the direction of the other connecting groove 6. At this time, since one end of the adjusting tube 57 arranged on the adjusting member 55 extends into the annular groove 122 as the adjusting member 55 moves, the flowing medium in the annular groove 122 enters the exchange chamber 56 through the adjusting tube 57, and is sent into the connecting chamber 321 through the multiple first connecting holes 25 and the second connecting holes 26 arranged on the rotating shaft 24, and flows into the pushing groove 322 through the connecting chamber 321, and finally is ejected in the direction of the sealing member 53 through the pushing groove 322, thereby pushing the sealing member 53 to move in the direction of the rotating seat 12 and squeezing the reset member 52, so that the sealing member 53 and the fixed valve disc 31 are separated from each other.

[0067] At the same time, when the seal 53 and the fixed valve flap 31 are separated from each other, since the rotation of the rotating shaft 24 is continuous, the rotating shaft 24 will drive the rotating valve flap 32 to rotate through the second rotating plate 28 and the pushing block 323. In this state, since the medium filled between the fixed valve flap 31 and the rotating valve flap 32 is the flowing medium in the valve body 1, the flowing medium replaces the seal 53 to seal the fixed valve flap 31 and the rotating valve flap 32, thereby reducing the dynamic friction between the fixed valve flap 31 and the rotating valve flap 32 and playing a certain lubricating role, thereby avoiding the problem of severe wear or damage of the rotating valve flap 32 during rotation due to excessive friction.

[0068] After the flowing medium enters the connecting groove 6 through the pushing groove 322 , it will flow toward the outlet 111 on the fixing seat 11 along the annular groove 122 , and there will be no problem of leakage of the flowing medium.

[0069] When the connecting groove 6 on the rotating valve disc 32 is completely misaligned with the connecting groove 6 on the fixed valve disc 31, as the rotating shaft 24 continues to rotate, the rotating shaft 24 can drive the first rotating plate 27 to pass over the adjusting member 55. In this state, the adjusting member 55 is reset under the drive of the reset spring, cutting off the flow of the flowing medium into the exchange chamber 56. At this time, the flowing medium will move toward the direction of the two connecting grooves 6 through the annular groove 122 again. Since the inner ring diameter of the sealing member 53 is smaller than the aperture of the connecting groove 6, when the flowing medium passes through the annular groove 122 to the connecting groove 6, the inner ring diameter of the sealing member 53 is smaller than the aperture of the connecting groove 6. When moving, the flowing medium can push the seal 53 to move in the direction of the fixed valve flap 31, so that the seal 53 contacts the fixed valve flap 31 again and replaces the flowing medium to seal the fixed valve flap 31 and the rotating valve flap 32, thereby improving the static friction of the device and avoiding leakage of the flowing medium, thereby realizing adaptive adjustment of the friction of the device and effectively avoiding the problem that the relative friction between the fixed valve flap 31 and the rotating valve flap 32 changes after long-term use due to factors such as thermal expansion and contraction, which ultimately leads to the problem of failure to seal.

[0070] In order to improve the cooling effect of the device, in another embodiment of the present invention, it also includes: A cooling assembly is provided in the valve body 1. When the connecting groove 6 provided at the inlet 121 needs to be regionally cooled, the rotating valve disc 32 is driven to rotate by the rotating shaft 24, so that the connecting groove 6 away from the inlet 121 is rotated to the inlet 121, and the adjusting member 55 is moved toward the side wall of the annular groove 122 by the rotation of the rotating shaft 24, so as to reduce the opening of the annular groove 122, so that a large amount of medium can only move toward the outlet 111 through the connecting groove 6 at the inlet 121. At this time, the adjusting pipe 57 on the adjusting member 55 is not connected with the annular groove 122, and the connecting groove 6 away from the inlet 121 is regionally cooled by the cooling assembly, so that the two connecting grooves 6 are used alternately, so as to avoid the problem that the temperature of a single connecting groove 6 area is too high, causing the device to rupture due to factors such as thermal expansion and contraction, resulting in medium leakage.

[0071] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A regulating assembly for a fast-opening high-temperature spherical sealing cut-off valve, characterized in that: include: A valve body (1), the valve body (1) comprising a fixed seat (11) and a rotating seat (12); A valve flap mechanism (3), the valve flap mechanism (3) comprising a fixed valve flap (31) and a rotating valve flap (32), the fixed valve flap (31) being arranged in a fixed seat (11), and the rotating valve flap (32) being arranged in a rotating seat (12); an adjusting mechanism (5), the adjusting mechanism (5) being arranged in the rotating valve flap (32), the adjusting mechanism (5) being capable of adjusting the friction force between the rotating valve flap (32) and the fixed valve flap (31) when the rotating valve flap (32) is rotating, and restoring the friction force to an initial value by cutting off the medium introduced into the valve after the rotation stops; The regulating mechanism (5) comprises: a limiting groove (51), wherein two limiting grooves (51) are symmetrically distributed and are arranged at one end of the rotating valve flap (32) close to the fixed valve flap (31); A reset member (52), wherein each of the limiting grooves (51) has a plurality of reset members (52) arranged in a ring array; A sealing member (53), wherein two sealing members (53) are respectively arranged in two limiting grooves (51), and each sealing member (53) is elastically connected to the corresponding limiting groove (51) via a plurality of sets of reset members (52), and the diameter of one end of each sealing member (53) close to the fixed valve flap (31) is larger than the diameter of the other end away from the fixed valve flap (31).

2. The regulating assembly of the sealing cut-off valve according to claim 1, characterized in that: Also includes: A rotating mechanism (2), the rotating mechanism (2) being arranged on the valve body (1), and the rotating mechanism (2) being capable of driving the rotating valve flap (32) to rotate; A driving mechanism (4), wherein the driving mechanism (4) is arranged above the rotating seat (12), and the driving mechanism (4) can drive the rotating mechanism (2) to rotate.

3. The regulating assembly of the sealing cut-off valve according to claim 2, characterized in that: The rotating valve flap (32) comprises: Communication grooves (6), two of the communication grooves (6) are symmetrically arranged on the rotating valve flap (32), and the two communication grooves (6) correspond to the two limit grooves (51) one by one and are connected to each other, the fixed valve flap (31) is provided with a communication groove (6) having the same structure as the rotating valve flap (32), and the fixed valve flap (31) and the rotating valve flap (32) are connected to each other via the plurality of communication grooves (6); A communication cavity (321), wherein the communication cavity (321) is provided in the middle of the rotating valve flap (32), and through holes are respectively provided at both ends of the communication cavity (321) and are in communication with the outside through the through holes.

4. The regulating assembly of the sealing cut-off valve according to claim 3, characterized in that: The rotating valve flap (32) further comprises: The two pushing grooves (322) are symmetrically arranged in the rotating valve flap (32), and one end of the two pushing grooves (322) is connected to the connecting cavity (321), and the other end of the pushing groove (322) is connected to the limiting groove (51). The flowing medium entering the connecting cavity (321) can move toward the sealing member (53) through the pushing groove (322), and push the sealing member (53) to separate from the fixed valve flap (31).

5. The regulating assembly of the sealing cut-off valve according to claim 4, characterized in that: The rotating seat (12) comprises: an inlet (121), the inlet (121) being disposed at one end of the rotating seat (12) away from the fixed seat (11), one end of the inlet (121) extending into the interior of the rotating seat (12) and communicating with the interior of the rotating seat (12), and the other end of the inlet (121) being fixedly connected to a transmission pipe; An annular groove (122), wherein the two annular grooves (122) are respectively provided inside the rotating seat (12) and the fixed seat (11), and the annular groove (122) located inside the rotating seat (12) is connected to the inlet (121), so that a portion of the flowing medium entering the rotating seat (12) through the inlet (121) can directly flow toward the fixed seat (11) through the connecting groove (6) provided at the inlet (121), and another portion of the flowing medium can first flow through the annular groove (122) to the other connecting groove (6) and then flow from the connecting groove (6) toward the fixed seat (11).

6. The regulating assembly of the sealing cut-off valve according to claim 5, characterized in that: The regulating mechanism (5) further comprises: An adjusting disk (54), the adjusting disk (54) being fixedly mounted in a central area of ​​the annular groove (122), the adjusting disk (54) being fixedly connected to the rotating seat (12); An adjusting member (55), wherein two adjusting members (55) are symmetrically arranged on the adjusting disk (54), and a slide groove capable of enabling the adjusting members (55) to slide is provided on the adjusting disk (54), the two adjusting members (55) and the two connecting grooves (6) are alternately arranged, and a reset spring capable of enabling the adjusting members (55) to reset is provided at the connection between the adjusting member (55) and the adjusting disk (54); a flow conversion chamber (56), wherein the flow conversion chamber (56) is disposed in a central area of ​​the regulating member (55); An adjusting tube (57), wherein the adjusting tube (57) is arranged in the adjusting member (55), and one end of the adjusting tube (57) passes through the adjusting member (55) and is in communication with the flow conversion chamber (56), and the other end of the adjusting tube (57) is arranged in a connection area between the adjusting member (55) and the adjusting disk (54) and passes through the adjusting member (55). When one end of the adjusting tube (57) moves into the annular groove (122), the adjusting tube (57) can transfer a medium entering the annular groove (122) to the flow conversion chamber (56).

7. The regulating assembly of the sealing cut-off valve according to claim 6, characterized in that: The rotating mechanism (2) comprises: A fixing frame (21), wherein the fixing frame (21) is fixedly mounted on the fixing seat (11); A fixed shaft (22), one end of the fixed shaft (22) being fixedly connected to the fixed frame (21), and the other end of the fixed shaft (22) sequentially passing through the fixed seat (11) and the fixed valve flap (31) and being fixedly connected to the fixed seat (11) and the fixed valve flap (31); A rotating frame (23), wherein the rotating frame (23) is fixedly mounted on the rotating base (12); A rotating shaft (24), one end of the rotating shaft (24) is rotationally connected to the rotating seat (12) and is transmission-connected to the driving mechanism (4), and the other end passes through the rotating seat (12) and is rotationally connected to the rotating valve flap (32), and the rotating shaft (24) is rotationally connected to the fixed shaft (22).

8. The regulating assembly of the sealing cut-off valve according to claim 7, characterized in that: The rotating mechanism (2) further comprises: A first communicating hole (25) and a second communicating hole (26), wherein the first communicating hole (25) and the second communicating hole (26) are both provided on the rotating shaft (24), and the first communicating hole (25) and the second communicating hole (26) correspond to each other one by one and are connected to each other, the first communicating hole (25) is connected to the exchange chamber (56), and the second communicating hole (26) is connected to the pushing groove (322).

9. The regulating assembly of the sealing cut-off valve according to claim 8, characterized in that: The rotating mechanism (2) further comprises: a first rotating plate (27), the first rotating plate (27) being fixedly mounted on the rotating shaft (24), and the first rotating plate (27) being located in the flow conversion chamber (56), and the first rotating plate (27) being able to push the adjusting member (55) to move in the direction of the annular groove (122) during the rotation process; a second rotating plate (28), the second rotating plate (28) being fixedly mounted on the rotating shaft (24), and the second rotating plate (28) being located in the communicating cavity (321); A push block (323) is symmetrically arranged in the connecting cavity (321). When the rotating shaft (24) rotates, the adjusting member (55) is first driven to move via the first rotating plate (27), and then the second rotating plate (28) contacts the push block (323), thereby driving the rotating valve flap (32) to rotate.

10. The regulating assembly of the sealing cut-off valve according to claim 9, characterized in that: A pressure sensor, the pressure sensor being arranged in the valve body (1) and capable of detecting the pressure of a medium flowing through the valve body (1) in real time; A support frame (7), the support frame (7) being arranged at the bottom of the valve body (1), and the support frame (7) being capable of providing support for the valve body (1) and the driving mechanism (4); An outlet (111), wherein the outlet (111) is disposed at one end of the fixed seat (11) away from the rotating seat (12); one end of the outlet (111) extends into the interior of the fixed seat (11) and is communicated with the interior of the fixed seat (11); and the other end is fixedly connected to a transmission pipe.

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