A composite exhaust valve

Abstract

The present application discloses a composite exhaust valve, which includes a valve body, a valve cover, a pressure cover, a float cover, a float body, and a guide rod. The valve body is provided with openings at both ends. The valve cover is connected to the top opening of the valve body, and the pressure cover is connected to the top of the valve cover. The valve body includes a receiving portion and a connecting portion. The float cover is disposed in the receiving portion and has a connecting port. The float body is disposed in the float cover. The valve body also includes a partition plate, a rotating rod, and a top plate. The partition plate is horizontally connected to the inner ring wall of the connecting portion and has a plurality of vent holes. The rotating rod vertically passes through the float cover and is slidably connected thereto. The top plate is disposed in the float cover and is connected to the float. An abutment block is connected to the edge of the top plate. A stopper arc block corresponding to the position of the stopper arc block is connected to the inner wall of the float cover. The stopper arc block is in contact with the bottom surface of the stopper arc block. The present application has the effect of extending the service life of the exhaust valve.

Description

Technical Field

[0001] The present application relates to the technical field of exhaust valves, and in particular to a composite exhaust valve. Background Art

[0002] An exhaust valve is a device used to control gas emissions and is widely used in piping systems, pressure vessels, hydraulic / pneumatic equipment, and other fields. Its primary function is to release excess gas, prevent air locks or vacuum formation, and ensure stable system operation. Depending on their operating principle, they can be categorized into various types, including float-type exhaust valves, spring-loaded exhaust valves, thermal exhaust valves, vacuum exhaust valves, and combination exhaust valves.

[0003] Currently, a conventional exhaust valve consists of a valve body, a valve cover, a float housing, a float, and a seal. The valve cover is connected to the top opening of the valve body, the float housing is located within the valve body, and the float is located within the float housing. The float housing has several openings, and the valve cover has several air inlets. The seal is located between the valve cover and the valve body. During use, a pipeline is connected to the bottom end of the valve body, and gas is discharged through the valve body and valve cover. When the water level rises, the float in the float housing rises and presses against the seal, sealing the exhaust valve and preventing liquid from overflowing the valve.

[0004] Regarding the aforementioned related art, the inventors believe that when the exhaust valve is used, if the exhaust process is too intense, airflow will surge directly upward into the valve body and upward through the opening in the float cover. At this time, the float is easily blown away by the strong airflow and abuts against the sealing ring, causing the device to fail to exhaust properly. Furthermore, as the float sways up and down in the valve body under the influence of the airflow, the sealing ring and float cover are easily damaged by the prolonged impact, shortening the service life of the exhaust valve. Summary of the Invention

[0005] In order to extend the service life of the exhaust valve, the present application provides a composite exhaust valve.

[0006] The composite exhaust valve provided in this application adopts the following technical solution:

[0007] A composite exhaust valve comprises a valve body, a valve cover, a pressure cover, a float cover, a float body and a guide rod, wherein both ends of the valve body are opened, the valve cover is connected to the top opening of the valve body, a sealing ring is provided between the valve body and the valve cover, the pressure cover is connected to the top of the valve cover, the valve body comprises a receiving portion and a communicating portion provided from top to bottom, the float cover is provided in the receiving portion, a plurality of communicating ports are provided on the float cover, the float body is provided in the float cover, the guide rod is vertically connected to the top of the float body, the guide rod and the pressure cover slide The dynamic connection also includes a partition plate, a rotating rod and a top plate. The partition plate is horizontally connected to the inner ring wall of the connecting part. A number of air holes are provided on the partition plate. The rotating rod vertically passes through the float cover and is slidably connected to it. The top plate is arranged in the float cover and is located below the float body. The top plate is connected to the float body. The edge of the top plate is connected to an abutment block. A limiting arc block corresponding to the position of the abutment block is connected to the inner wall of the float cover. The abutment block is in contact with the bottom surface of the limiting arc block. A driving member for driving the rotating rod to rotate is provided on the partition plate.

[0008] By adopting the above-mentioned technical solution, during the normal exhaust process, the abutment block and the bottom surface of the limiting arc block are in contact with each other, thereby limiting the top plate and the float body connected to the top plate. After the water level rises, the driving member drives the rotating rod to rotate a certain angle. At this time, the abutment block and the limiting arc block are separated, releasing the limit on the top plate, allowing the float body to float normally. In addition, the setting of the partition plate and the air vent can slow down the airflow and reduce the possibility of the float body being blown up by strong airflow. Through the mutual cooperation of the valve body, valve cover, pressure cover, float cover, float body, guide rod, partition plate, rotating rod and top plate, the movement of the float is restricted, which has the effect of extending the service life of the exhaust valve.

[0009] Optionally, the driving member includes an auxiliary float, a rotating plate, a guide plate, a rotating push plate and a sliding magnetic block, the rotating push plate is connected to a plurality of pieces at the bottom end of the rotating rod, the auxiliary float is connected to the bottom surface of the top plate, the top end of the rotating rod extends into the float cover and is connected to the auxiliary float, a water inlet is provided on the partition plate, the top surface of the partition plate is rotatably connected to a rotating plate for sealing the water inlet, the size of the rotating plate is larger than the size of the water inlet, the top surface of the rotating plate is connected to a connecting float, the guide plate is arranged on the top surface of the partition plate along the circumference of the water inlet, and one side of the guide plate is opened The top of the sliding vertical groove is connected to one end of the sliding horizontal groove, and the top of the sliding vertical groove is connected to one end of the sliding horizontal groove. When the abutment block is in contact with the bottom surface of the limiting arc block, the sliding magnetic block is slidably set in the sliding horizontal groove. When the sliding magnetic block is slidably set in the sliding vertical groove, the abutment block and the limiting arc block are staggered.

[0010] With this technical solution, during normal exhaust, air overflows through the vent. When the water level rises into the valve body, the connected float rises, driving the rotating plate to rotate. The water inlet opens, and the water flow pushes the rotating push plate, causing the rotating rod to rotate. The sliding magnet slides to the top of the vertical sliding slot, and the abutment block separates from the limit arc block. As water flows into the float cover, the auxiliary float rises, and the sliding magnet moves within the vertical sliding slot.

[0011] Optionally, a plurality of mounting holes are provided on the bottom surface of the partition plate, and the plurality of mounting holes are arranged in a one-to-one correspondence with the plurality of vent holes, and the diameter of the mounting hole is larger than the diameter of the vent hole. A plurality of blocking floats are provided under the partition plate, and the diameter of the blocking floats is larger than the inner diameter of the mounting hole. The plurality of blocking floats are arranged in a one-to-one correspondence with the plurality of mounting holes, and a mounting spring is connected to the inner wall of the mounting hole, and the bottom end of the mounting spring is connected to the corresponding blocking float.

[0012] With this technical solution, during normal exhaust, air flows through the gap between the blocking float and the mounting hole to the top of the partition plate. When the water level rises, the blocking float rises, sealing the mounting hole. The mounting spring compresses, and when the water level drops, the blocking float descends and separates from the mounting hole.

[0013] Optionally, a receiving ring groove is provided on the inner bottom wall of the float cover, and the receiving ring groove is coaxially arranged with respect to the rotating rod. A plurality of connecting arc grooves are opened circumferentially at the bottom end of the float cover, and the connecting arc grooves are connected to the receiving ring groove. A sealing ring is connected to the bottom surface of the auxiliary float block, and the sealing ring and the receiving ring groove are arranged correspondingly in the vertical direction. When the abutment block is in contact with the bottom surface of the limiting arc block, the sealing ring is embedded in the receiving ring groove.

[0014] By adopting this technical solution, during normal exhaust, the sealing ring blocks the annular groove, preventing airflow from directly flowing into the float housing from below and blowing up the float body and auxiliary float block. When the water level in the valve body drops, water can flow out of the float housing more quickly through the connecting arc groove.

[0015] Optionally, the communication port is provided on a peripheral wall of the float cover.

[0016] By adopting the above technical solution, since the communication port is arranged on the peripheral wall of the float cover, the possibility of the airflow blowing the float body upward is reduced.

[0017] Optionally, a connecting magnetic block is connected to the inner wall of the sliding transverse groove away from one end of the sliding vertical groove.

[0018] By adopting the above technical solution, the setting of the connecting magnetic block enables the sliding magnetic block to be adsorbed together with the connecting magnetic block when in the sliding transverse groove. At this time, the abutment block re-contacts the bottom surface of the limiting arc block, thereby realizing the resetting of the top plate.

[0019] Optionally, a buffer assembly is provided on the float body, and the buffer assembly includes a connecting slide rod, a connecting sleeve rod, a sliding ring and a buffer spring. The connecting slide rod is coaxially and vertically connected to the top surface of the top plate, the connecting sleeve rod is vertically connected to the bottom end of the float body, the connecting slide rod is slidably connected to the connecting sleeve rod, and the sliding ring is slidably sleeved on the connecting slide rod, one end of the buffer spring is connected to the bottom end of the connecting sleeve rod, and the other end is connected to the sliding ring.

[0020] By adopting the above technical solution, the provision of the buffer spring achieves buffering of the float body, reducing the possibility that the float body will cause a large impact on the float cover when descending.

[0021] Optionally, the buffer assembly also includes a supporting arc plate, a connecting plate, a supporting slide rod, a limit block, a supporting spring and a contact block, the supporting arc plate is connected to the inner ring wall of the float cover, the supporting arc block is arranged above the limit arc block, the connecting plate is connected to the outer peripheral wall of the float body, the supporting slide rod vertically passes through the connecting plate and is slidably connected to it, the limit block is connected to the top end of the supporting slide rod, the contact block is connected to the bottom end of the supporting slide rod, one end of the supporting spring is connected to the bottom surface of the connecting plate, and the other end is connected to the top surface of the contact block. In a natural state, the contact block contacts the top surface of the supporting arc plate.

[0022] By adopting the above technical solution, the arrangement of the supporting spring and the supporting arc plate realizes auxiliary support for the float body, reducing the possibility of damage to the buffer spring during the buffering process.

[0023] In summary, this application includes at least one of the following beneficial technical effects:

[0024] 1. The movement of the float is restricted by the coordination of the valve body, valve cover, gland, float cover, float body, guide rod, partition plate, rotating rod and top plate, which has the effect of extending the service life of the exhaust valve.

[0025] 2. Since the communication port is set on the peripheral wall of the float cover, the possibility of airflow blowing the float body upward is reduced;

[0026] 3. The setting of the buffer assembly reduces the possibility that the float body will cause a large impact on the float cover when it descends. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic structural diagram of a composite exhaust valve according to an embodiment of the present application.

[0028] Figure 2 It is a partial cross-sectional view used to reflect the internal structure of the valve body in the embodiment of the present application.

[0029] Figure 3 It is a structural schematic diagram used to reflect the partition plate and the rotating rod in the embodiment of the present application.

[0030] Figure 4 yes Figure 2 Enlarged view of part A in the middle.

[0031] Figure 5 yes Figure 3 Enlarged view of part C in the middle.

[0032] Figure 6 yes Figure 2 Enlarged view of part B in the middle.

[0033] Explanation of reference numerals: 1. valve body; 101. accommodating portion; 102. communicating portion; 2. valve cover; 21. air inlet and outlet; 3. pressure cover; 4. float body; 5. float cover; 51. communicating port; 52. accommodating ring groove; 53. communicating arc groove; 6. buffer assembly; 601. connecting slide rod; 602. moving ring; 603. connecting sleeve rod; 6031. limiting slide groove; 604. sliding ring; 605. buffer spring; 606. supporting arc plate; 607. connecting plate; 608. supporting slide rod; 609. limiting block; 610. supporting spring; 611. contact block; 7. sealing Sealing ring; 8. Guide rod; 9. Filter cartridge; 91. Filter hole; 10. Connecting ring; 11. Partition plate; 111. Vent hole; 112. Mounting hole; 113. Water inlet; 12. Sealing float; 13. Mounting spring; 14. Rotating plate; 15. Rotating connecting rod; 16. Connecting float; 17. Auxiliary float; 18. Rotating rod; 181. Sliding horizontal groove; 182. Sliding vertical groove; 19. Rotating push plate; 20. Guide plate; 22. Limiting ring; 23. Sliding magnetic block; 24. Connecting magnetic block; 25. Top plate; 26. Abutment block; 27. Limiting arc block; 28. Sealing ring. DETAILED DESCRIPTION

[0034] The following is combined with Figure 1-6 The present application is further described in detail. The embodiment of the present application provides a composite exhaust valve, which has the effect of extending the service life of the exhaust valve.

[0035] Reference Figure 1 and Figure 2 A composite exhaust valve includes a valve body 1, a valve cover 2, a gland 3, a float body 4, a float cover 5, and a buffer assembly 6. The top and bottom ends of the valve body 1 are open. The valve body 1 includes a receiving portion 101 and a connecting portion 102 connected to the bottom end of the receiving portion 101. The diameter of the connecting portion 102 is smaller than the diameter of the receiving portion 101. The valve body 1 is connected to the top opening of the valve body 1. The peripheral wall of the valve cover 2 is provided with a plurality of air inlet and outlet ports 21. The gland 3 is connected to the top of the valve cover 2. A sealing ring 7 is provided between the valve body 1 and the valve cover 2. The inner diameter of the sealing ring 7 is smaller than the outer diameter of the float body 4.

[0036] Reference Figure 2 The float housing 5 is connected to the accommodating portion 101 of the valve body 1. The top of the float housing 5 is open, and a plurality of communication ports 51 are defined on its peripheral wall. The float body 4 is disposed within the float housing 5. A guide rod 8 is connected to the top of the float, which passes through the gland 3 and is slidably connected thereto. A filter cartridge 9 is coaxially disposed within the connecting portion 102, and is defined by a plurality of filter holes 91. A connecting ring 10 is connected to the outer annular wall of the filter cartridge 9, which is threadedly connected to the inner annular wall of the connecting portion 102.

[0037] Reference Figure 2-4 A partition plate 11 is horizontally connected to the inner wall of the connecting portion 102 and is located above the filter cartridge 9. The partition plate 11 is provided with a plurality of vent holes 111, and a plurality of mounting holes 112 are provided on its bottom surface. These mounting holes 112 correspond one-to-one with the vent holes 111, and the inner diameter of the mounting holes 112 is larger than the inner diameter of the vent holes 111. Below the partition plate 11, a plurality of blocking floats 12 are provided. These blocking floats 12 correspond one-to-one with the mounting holes 112 in the vertical direction, and the diameter of the blocking floats 12 is larger than the inner diameter of the mounting holes 112. Mounting springs 13 are located in the mounting holes 112. The top ends of the mounting springs 13 are connected to the inner top wall of the mounting holes 112, and the bottom ends of the mounting springs 13 are connected to the corresponding blocking floats 12. A water inlet 113 is provided on the partition plate 11, and a rotating plate 14 is rotatably connected to the top surface of the partition plate 11. The position of the rotating plate 14 corresponds to the water inlet 113. The size of the rotating plate 14 is larger than the size of the water inlet 113. In the natural state, the rotating plate 14 blocks the water inlet 113. The top surface of the rotating plate 14 is rotatably connected to a rotating connecting rod 15, and one end of the rotating connecting rod 15 is connected to a connecting float 16.

[0038] Reference Figure 3-5 The float cover 5 is provided with an auxiliary float 17, which is arranged below the float body 4. The bottom end of the auxiliary float 17 is vertically and coaxially connected to a rotating rod 18, which passes through the float cover 5 and is slidably connected thereto. The bottom end of the rotating rod 18 is connected to a plurality of rotating push plates 19. A guide plate 20 is connected to the top surface of the partition plate 11 along the circumference of the water inlet 113. One side of the guide plate 20 is open, and the open side of the guide plate 20 is arranged toward the rotating push plates 19. The bottom end of the float cover 5 is connected to a limit ring 22, which is slidably connected to the rotating rod 18. A sliding magnet 23 is connected to the inner wall of the limit ring 22. A sliding transverse groove 181 is opened on the rotating rod 18 along the horizontal direction, and a sliding vertical groove 182 is opened on the rotating rod 18 along the vertical direction. One end of the sliding transverse groove 181 is connected to the top of the sliding vertical groove 182, and a connecting magnetic block 24 is connected to the inner wall of the sliding transverse groove 181 away from the sliding vertical groove 182.

[0039] Reference Figure 2 、 Figure 3 and Figure 5The top surface of the auxiliary float 17 is connected to a top plate 25, and two abutment blocks 26 are connected to the peripheral wall of the top plate 25. Two limiting arc blocks 27 are connected to the inner wall of the float cover 5. The two limiting arc blocks 27 are arranged in a one-to-one correspondence with the two abutment blocks 26. When the bottom surface of the limiting arc block 27 is in contact with the top surface of the abutment block 26, the sliding magnetic block 23 is slidably set in the sliding horizontal groove 181. When the sliding magnetic block 23 is slidably set in the sliding vertical groove 182, the limiting arc blocks 27 and the abutment blocks 26 are staggered. A sealing ring 28 is coaxially connected to the rotating rod 18 on the bottom surface of the auxiliary float 17. A receiving ring groove 52 is opened on the inner bottom wall of the float cover 5. The receiving ring groove 52 and the sealing ring 28 are arranged in a vertical direction. The bottom surface of the float cover 5 is provided with a plurality of connecting arc grooves 53 along the circumferential direction with the rotating rod 18 as the central axis. The connecting arc grooves 53 are connected to the receiving ring groove 52. When the abutment block 26 is in contact with the bottom surface of the limiting arc block 27, the blocking ring 28 is embedded in the receiving ring groove 52.

[0040] Reference Figure 2 and Figure 6 The buffer assembly 6 is provided on the float body 4 and includes a connecting slide 601, a movable ring 602, a connecting sleeve 603, a sliding ring 604, a buffer spring 605, a supporting arc plate 606, a connecting plate 607, a supporting slide 608, a limit block 609, a supporting spring 610, and a contact block 611. The connecting slide 601 is vertically connected to the top surface of the top plate 25 and is coaxially arranged about the rotation axis. The connecting sleeve 603 is vertically connected to the bottom surface of the float cover 5. The top end of the connecting slide 601 is slidably connected to the connecting sleeve 603. A limit slot 6031 is vertically provided on the inner wall of the connecting sleeve 603. The top end of the connecting slide 601 is connected to the movable ring 602, and the movable ring 602 is slidably arranged in the groove of the limit ring 22. The buffer spring 605 and the sliding ring 604 are both sleeved on the connecting slide rod 601, and the sliding ring 604 is located below the buffer spring 605. One end of the buffer spring 605 is connected to the bottom end of the connecting sleeve rod 603, and the other end is connected to the sliding ring 604.

[0041] Reference Figure 2 、 Figure 3 and Figure 6Two supporting arc plates 606 are connected to the inner wall of the float cover 5. The supporting arc plates 606 are arranged above the limiting arc block 27. The two limiting arc blocks 27 and the two supporting arc plates 606 are staggered in the vertical direction. Two connecting plates 607 are connected to the outer wall of the float body 4. The two connecting plates 607 are arranged in a one-to-one correspondence with the two supporting arc plates 606. The supporting slide 608 vertically passes through the connecting plate 607 and is slidably connected thereto. The top end of the supporting slide 608 is connected to the limiting block 609, and the bottom end is connected to the contact block 611. The supporting spring 610 is sleeved on the supporting slide 608. The top end of the supporting spring 610 is connected to the connecting plate 607, and the other end is connected to the contact block 611. The contact block 611 is mounted on the top surface of the supporting arc plate 606.

[0042] Reference Figure 2-4 When the exhaust valve is performing normal exhaust, the rotating plate 14 is in the closed state, blocking the water inlet 113. The airflow flows upward through the gap between the blocking float 12 and the mounting hole 112, and is discharged through the air inlet and outlet 21 on the valve cover 2. Since the blocking ring 28 is embedded in the receiving ring groove 52 at this time, the bottom end of the float cover 5 has no opening, and the airflow will not directly enter the float cover 5 from below to blow up the float body 4. Figure 5 In addition, the sliding magnet 23 is located in the sliding transverse groove 181 at this time, and the sliding magnet 23 and the connecting magnet 24 are adsorbed together, thereby limiting the auxiliary float 17 and avoiding the possibility of the auxiliary float 17 being blown up at this time. The float body 4 is connected to the auxiliary float 17 through the buffer assembly 6, thereby limiting the float body 4 during the exhaust process and avoiding the float being blown up and colliding with the sealing ring 7 during exhaust, which may cause damage to the device or failure of exhaust to proceed normally.

[0043] Reference Figure 3-5 As the water level rises, the blocking float 12 rises with the water level and squeezes the mounting spring 13, causing the blocking spring to abut against the partition plate 11 and block the mounting hole 112. Simultaneously, some water flows through the gap to the top of the partition plate 11. The connecting float 16 rises with the water level, separating the rotating plate 14 from the water inlet 113. A large amount of water flows through the water inlet 113 to the top of the partition plate 11. The guide plate 20 guides the direction of the water flow, and the water impacts the rotating push plate 19, driving the rotating rod 18 to rotate. At this time, the connecting magnet 24 separates from the sliding magnet 23, and the sliding magnet 23 moves to the top of the sliding vertical slot 182.

[0044] Reference Figure 2 、 Figure 3 and Figure 6As the water level continues to rise, water flows through the connecting port 51 on the side of the float housing 5 and into the space between the float housing 5 and the float body 4. Under the action of buoyancy, the auxiliary float 17 floats first, and the sliding magnet 23 moves in the sliding vertical slot 182. As the water level continues to rise, the float body 4 rises and contacts the sealing ring 7, sealing the device and preventing water from overflowing. The buffer assembly 6 is located between the top plate 25 and the float body 4. The buffer spring 605 cushions the float body 4, reducing the possibility of significant impact on the float housing 5 during the descent of the float body 4, which could damage the float housing 5 and the float body 4. The support spring 610 and the supporting arc plate 606 support and cushion the descent of the float body 4, reducing the possibility of damage to the buffer spring 605 due to excessive pressure during the descent of the float body 4. As the auxiliary float 17 descends, water in the float housing 5 overflows through the connecting arc slot 53 and the connecting port 51, accelerating the overflow rate of the water.

[0045] Reference Figure 4 and Figure 5 As the auxiliary float 17 descends, the sliding magnet 23 moves to the top of the sliding vertical slot 182. The connecting magnet 24 then attracts the sliding magnet 23, causing the top plate 25 to rotate synchronously. The abutment block 26 moves below the limiting arc block 27, resetting and limiting the top plate 25. Simultaneously, as the water level drops, the blocking arc block descends under the action of the mounting spring 13. The rotating plate 14 descends along with the connecting float 16 and re-blocks the water inlet 113. The filter cartridge 9 filters the liquid, reducing the possibility of impurities entering the exhaust valve.

[0046] The implementation principle of a composite exhaust valve in the embodiment of the present application is as follows: when the exhaust valve is performing normal exhaust, the airflow flows upward through the gap between the blocking float 12 and the mounting hole 112, and is discharged through the air inlet and outlet 21 on the valve cover 2. Since the airflow does not directly enter the float cover 5 from below to blow up the float body 4, the sliding magnet 23 is located in the sliding transverse groove 181, avoiding the possibility of the auxiliary float 17 being blown up at this time. When the water level rises, the blocking spring contacts the partition plate 11 and blocks the mounting hole 112, the rotating plate 14 is separated from the water inlet 113, and a large amount of water flows through the water inlet 113 to the top of the partition plate 11, and the water flow impacts the rotating push plate 19.

[0047] As the water level continues to rise, the auxiliary float 17 rises first under the action of buoyancy, and the sliding magnet 23 moves in the sliding vertical slot 182. As the water level continues to rise, the float body 4 rises and contacts the sealing ring 7. The buffer assembly 6 is arranged between the top plate 25 and the float body 4. The buffer spring 605 cushions the float body 4, reducing the possibility of damage to the float cover 5 and the float body 4.

[0048] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A composite exhaust valve, comprising a valve body (1), a valve cover (2), a pressure cover (3), a float cover (5), a float body (4) and a guide rod (8), wherein both ends of the valve body (1) are open, the valve cover (2) is connected to the top opening of the valve body (1), a sealing ring (7) is provided between the valve body (1) and the valve cover (2), the pressure cover (3) is connected to the top of the valve cover (2), the valve body (1) comprises a receiving portion (101) and a communicating portion (102) provided from top to bottom, the float cover (5) is provided in the receiving portion (101), a plurality of communicating ports (51) are provided on the float cover (5), the float body (4) is provided in the float cover (5), the guide rod (8) is vertically connected to the top of the float body (4), and the guide rod (8) is slidably connected to the pressure cover (3), characterized in that: The utility model also includes a partition plate (11), a rotating rod (18) and a top plate (25), wherein the partition plate (11) is horizontally connected to the inner ring wall of the connecting portion (102), a plurality of vent holes (111) are provided on the partition plate (11), the rotating rod (18) vertically passes through the float cover (5) and is slidably connected thereto, the top plate (25) is arranged in the float cover (5) and is located below the float body (4), the top plate (25) is connected to the float, the edge of the top plate (25) is connected to an abutment block (26), the inner wall of the float cover (5) is connected to a limiting arc block (27) corresponding to the position of the abutment block (26), and the abutment block (27) is connected to the inner wall of the float cover (5). The connecting block (26) is fitted with the bottom surface of the limiting arc block (27), and a driving member for driving the rotating rod (18) to rotate is provided on the partition plate (11), and the driving member includes an auxiliary floating block (17), a rotating plate (14), a guide plate (20), a rotating push plate (19) and a sliding magnetic block (23). The rotating push plate (19) is connected to a plurality of the bottom ends of the rotating rod (18), the auxiliary floating block (17) is connected to the bottom surface of the top plate (25), the top end of the rotating rod (18) extends into the float cover (5) and is connected to the auxiliary floating block (17), a water inlet (113) is provided on the partition plate (11), and the partition plate (11 ) is rotatably connected to the top surface of the partition plate (11) with a rotating plate (14) for blocking the water inlet (113), the size of the rotating plate (14) is larger than the size of the water inlet (113), the top surface of the rotating plate (14) is connected to a connecting float (16), the guide plate (20) is arranged on the top surface of the partition plate (11) along the circumference of the water inlet (113), one side of the guide plate (20) is opened, and the open side of the guide plate (20) is arranged toward the rotating push plate (19), the bottom end of the float cover (5) is connected to a limiting ring (22), the limiting ring (22) is slidably connected to the rotating rod (18), and the sliding magnetic block (23 ) is connected to the inner ring wall of the limiting ring (22), a sliding transverse groove (181) is opened horizontally along the circumferential direction on the rotating rod (18), and a sliding vertical groove (182) is opened longitudinally along the vertical direction on the rotating rod (18), and the top of the sliding vertical groove (182) is connected to one end of the sliding transverse groove (181). When the abutment block (26) is in contact with the bottom surface of the limiting arc block (27), the sliding magnetic block (23) is slidably set in the sliding transverse groove (181). When the sliding magnetic block (23) is slidably set in the sliding vertical groove (182), the abutment block (26) and the limiting arc block (27) are staggered.

2. A composite exhaust valve according to claim 1, characterized in that: A plurality of mounting holes (112) are provided on the bottom surface of the partition plate (11), and the plurality of mounting holes (112) are arranged in a one-to-one correspondence with the plurality of vent holes (111). The diameter of the mounting hole (112) is larger than the diameter of the vent hole (111). A plurality of blocking floats (12) are provided below the partition plate (11), and the diameter of the blocking floats (12) is larger than the inner diameter of the mounting hole (112). The plurality of blocking blocks are arranged in a one-to-one correspondence with the plurality of mounting holes (112). A mounting spring (13) is connected to the inner wall of the mounting hole (112), and the bottom end of the mounting spring (13) is connected to the corresponding blocking float (12).

3. A composite exhaust valve according to claim 1, characterized in that: An accommodating ring groove (52) is provided on the inner bottom wall of the float cover (5), and the accommodating ring groove (52) is coaxially arranged with respect to the rotating rod (18). A plurality of connecting arc grooves (53) are opened circumferentially at the bottom end of the float cover (5), and the connecting arc grooves (53) are connected to the accommodating ring groove (52). A sealing ring (28) is connected to the bottom surface of the auxiliary floating block (17), and the sealing ring (28) and the accommodating ring groove (52) are arranged correspondingly in the vertical direction. When the abutting block (26) is in contact with the bottom surface of the limiting arc block (27), the sealing ring (28) is embedded in the accommodating ring groove (52).

4. The composite exhaust valve according to claim 1, characterized in that: The communication port (51) is arranged on the peripheral wall of the float cover (5).

5. The composite exhaust valve according to claim 1, characterized in that: A connecting magnetic block (24) is connected to the inner wall of the sliding transverse groove (181) at one end away from the sliding vertical groove (182).

6. The composite exhaust valve according to claim 1, characterized in that: A buffer assembly (6) is provided on the float body (4), and the buffer assembly (6) includes a connecting slide rod (601), a connecting sleeve rod (603), a sliding ring (604) and a buffer spring (605). The connecting slide rod (601) is coaxially and vertically connected to the top surface of the top plate (25), the connecting sleeve rod (603) is vertically connected to the bottom end of the float body (4), the connecting slide rod (601) is slidably connected to the connecting sleeve rod (603), the sliding ring (604) is slidably sleeved on the connecting slide rod (601), and one end of the buffer spring (605) is connected to the bottom end of the connecting sleeve rod (603), and the other end is connected to the sliding ring (604).

7. A composite exhaust valve according to claim 6, characterized in that: The buffer assembly (6) further comprises a supporting arc plate (606), a connecting plate (607), a supporting slide bar (608), a limiting block (609), a supporting spring (610) and a contact block (611), wherein the supporting arc plate (606) is connected to the inner ring wall of the float cover (5), the supporting arc plate (606) is arranged above the limiting arc block (27), the connecting plate (607) is connected to the outer peripheral wall of the float body (4), the supporting slide bar (609 ... 8) vertically passes through the connecting plate (607) and is slidably connected thereto, the limit block (609) is connected to the top end of the supporting slide bar (608), the contact block (611) is connected to the bottom end of the supporting slide bar (608), one end of the supporting spring (610) is connected to the bottom surface of the connecting plate (607), and the other end is connected to the top surface of the contact block (611), and in a natural state, the contact block (611) contacts the top surface of the supporting arc plate (606).

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