Isolation sealing device for solving intra-cavity corrosion and leakage

Abstract

The invention discloses an isolation sealing device for solving intra-cavity corrosion and leakage, and belongs to the technical field of gas-liquid mixing pumps, the isolation sealing device comprises a pump body and a corrosion-resistant pump cover, the corrosion-resistant pump cover is fixedly connected with a first connecting disc, and the pump body is fixedly connected with a second connecting disc; according to the isolation sealing device for solving intra-cavity corrosion and leakage, an inserting rod on a first connecting disc on a corrosion-resistant pump cover is inserted into a sliding hole and a sliding groove in a second connecting disc, then the corrosion-resistant pump cover is rotated, the inserting rod on the first connecting disc is driven to rotate in the sliding groove of the second connecting disc to the position of a limiting rod, and therefore the corrosion-resistant pump cover is sealed. When the inserting rod abuts against the limiting rod, the limiting rod stretches the first spring towards the outer portion of the second connecting disc, then the limiting rod is inserted into the limiting groove of the inserting rod under the action of the first spring to fix the inserting rod, the first connecting disc and the second connecting disc are fixed, and then the pump body and the corrosion-resistant pump cover are rapidly installed.

Description

Technical Field

[0001] The present invention relates to the technical field of gas-liquid mixing pumps, and particularly to an isolation and sealing device for solving cavity corrosion and leakage. Background Art

[0002] The gas-liquid mixing pump is also called eddy current pump, air dissolution pump, ozone water mixing pump, air flotation pump, air-water mixing pump, gas mixing pump, aeration pump, gas-liquid pump. The suction port of the gas-liquid mixing pump can suck in gas by the action of negative pressure, so there is no need to use an air compressor and an air ejector. The high-speed rotating pump impeller mixes and stirs the liquid and gas, so there is no need for a stirrer and a mixer. Due to the pressurized mixing in the pump, the gas and liquid are fully dissolved, and the dissolution efficiency can reach 80-100%. Therefore, a highly dissolved solution can be prepared without a large pressurized air dissolution tank or an expensive reaction tower. In the production process of photovoltaic cells, the gas-liquid mixing pump can be used to prepare and transport various chemical solutions and slurries. For example, after mixing a gas (such as nitrogen) with a chemical gas such as silane, it is transported to a chemical vapor deposition (CVD) device for preparing the thin film material of the photovoltaic cell. The gas-liquid mixing pump can ensure the uniform mixing of gas and liquid, improving the quality and uniformity of the thin film; in the semiconductor manufacturing process, a variety of chemical reagents are required for processes such as cleaning, etching, and photoresist removal. The gas-liquid mixing pump can fully mix a gas (such as an inert gas such as nitrogen and argon) with the chemical reagent liquid to ensure the concentration uniformity of the chemical reagent, and then accurately transport it to the process equipment, improving the stability and consistency of the process. For example, in the wafer cleaning process, mixing nitrogen with the cleaning liquid and transporting it to the cleaning equipment can enhance the cleaning effect and reduce the residue of chemical reagents.

[0003] After searching, the Chinese patent publication number CN115845659A discloses a liquid-gas mixing pump, wherein the liquid-gas mixing pump includes: a rotating part, a limiting part is provided along the axis of the rotating part, and the limiting part has a height difference in the vertical direction; a driving assembly, which is drivingly connected to the rotating part to drive the rotating part to rotate; a connecting rod, one end of which is slidably connected to the limiting part; a positioning part, the connecting rod passes through the positioning part and is slidably connected to the positioning part; a leather cup body, which is provided on the side of the connecting rod away from the rotating part, and the leather cup body has a receiving space; wherein the driving assembly drives the rotating part to rotate, so that the connecting rod slides along the limiting part, driving the connecting rod to move in a direction close to or away from the leather cup body, so as to compress or relax the leather cup body. The above patent has the following deficiencies: currently, when installing the gas-liquid mixing pump, most of the pump body and the pump cover are connected by bolts and flanges. This connection method is inefficient, and due to the long-term use of the pump body, some liquid will inevitably splash on the surface. Over time, it is easy for the bolts to rust or even loosen, resulting in movement between the pump body and the pump cover. When disassembling for maintenance or replacing internal parts at a later stage, it is difficult to open quickly, which reduces the efficiency of installation and disassembly of the pump body and the pump cover, and cannot be installed in one step, which increases the labor intensity of the staff. Summary of the invention

[0004] The purpose of the present invention is to solve the problem of low efficiency in installation and disassembly between a pump body and a pump cover in the prior art, and to propose an isolation sealing device for solving the corrosion and leakage in the cavity.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: An isolation and sealing device for solving corrosion and leakage in a cavity comprises: a pump body and a corrosion-resistant pump cover, wherein a first connecting plate is fixedly connected to the corrosion-resistant pump cover, and a second connecting plate is fixedly connected to the pump body; and further comprises: a connecting unit for installing the first connecting plate and the second connecting plate; wherein the connecting unit comprises an insert rod fixedly connected to the first connecting plate, a sliding hole and a sliding groove for sliding the insert rod are provided on the second connecting plate, a limiting groove is provided on the insert rod, a limiting rod for limiting the limiting groove is slidably provided on the second connecting plate, and a first spring is fixedly connected between the limiting rod and the second connecting plate.

[0006] Preferably, a rotating member is arranged in the slide groove of the second connecting disk, a driving plate for driving the rotating member to move is slidably connected to the limiting rod, and the rotating member comprises a rack rotatably connected in the slide groove of the second connecting disk.

[0007] Preferably, a gear meshing with the rack is rotatably connected in the slide groove of the second connecting disk, a rotating rod is fixedly connected to the gear, and the rotating rod passes through the second connecting disk and is rotatably connected to the second connecting disk.

[0008] Preferably, a cam is fixedly connected to one end of the rotating rod away from the gear. Four sets of the rack and the gear are provided, and a connecting rod is fixedly connected between the four sets of racks.

[0009] Preferably, a mounting plate is fixedly connected to one side of the second connecting disk. An air collecting barrel is fixedly connected to the mounting plate. A pressing member that cooperates with the rotating member is provided on the air collecting barrel. An air inlet pipe is fixedly connected between the air collecting barrel and the second connecting disk, and an air suction pipe is fixedly connected to the air collecting barrel.

[0010] Preferably, a cavity communicating with the air inlet pipe is formed inside the second connecting disk. Air outlet holes communicating with the cavity are formed on the surface of the second connecting disk, and a gas guiding groove is formed on the first connecting disk.

[0011] Preferably, the pressing member includes a piston block connected to a piston inside the air collecting barrel. A sliding rod is fixedly connected to the piston block. The sliding rod penetrates through the air collecting barrel and is slidably connected to the air collecting barrel. A pressing plate that abuts against the cam is fixedly connected to one end of the sliding rod away from the piston block.

[0012] Preferably, a second spring is sleeved on the surface of the sliding rod, and two ends of the second spring respectively abut against the air collecting barrel and the pressing plate.

[0013] Preferably, a receiving groove is formed on the surface of the second connecting disk. An annular airbag ring is fixedly connected inside the receiving groove. An air inlet pipe is fixedly connected between the annular airbag ring and the air outlet hole of the second connecting disk.

[0014] Preferably, a motor is fixedly installed on the pump body, and a liquid inlet and a liquid outlet are fixedly connected to the corrosion-resistant pump cover.

[0015] Compared with the prior art, the present invention provides an isolation and sealing device for solving cavity corrosion and leakage, and has the following beneficial effects: 1. For the isolation and sealing device for solving cavity corrosion and leakage, the insertion rod on the first connecting disk of the corrosion-resistant pump cover is inserted into the sliding hole and the sliding groove on the second connecting disk, and then the corrosion-resistant pump cover is rotated to drive the insertion rod on the first connecting disk to rotate in the sliding groove of the second connecting disk until it reaches the limiting rod. When the insertion rod abuts against the limiting rod, the limiting rod moves towards the outside of the second connecting disk to stretch the first spring. Then, under the action of the first spring, the limiting rod is inserted into the limiting groove of the insertion rod to fix the insertion rod, thereby fixing between the first connecting disk and the second connecting disk, and further completing the rapid installation between the pump body and the corrosion-resistant pump cover.

[0016] 2. The isolation and sealing device for solving the corrosion and leakage in the cavity drives the driving plate on the plug rod of the first connecting disk to enter the slide groove of the second connecting disk through the corrosion-resistant pump cover, and then the installer drives the driving plate to press against the rack and rotate around the second connecting disk for one circle by rotating the corrosion-resistant pump cover. During the rotation of the rack, the gear rotates continuously, thereby causing the cam to rotate continuously. When the protruding part of the cam contacts the pressing plate, the pressing plate drives the sliding rod and the piston block to slide toward the inner direction of the gas collecting barrel, so that the gas in the gas collecting barrel enters the cavity of the second connecting disk through the air inlet pipe, and then squeezes the gas out from the air outlet to clear the dust on the surface of the first connecting disk. When the gas is sprayed onto the first connecting disk, the gas will also enter the air guide groove on the first connecting disk, so that the gas will flow back to the air outlet along the direction of the air guide groove, and then it can be used to clean the first connecting disk. While cleaning the disk, the dust on the second connecting disk can also be cleaned, so that the dust on the first connecting disk and the second connecting disk can be automatically cleaned before installation between the pump body and the corrosion-resistant pump cover, which can prevent the installation effect between the pump body and the corrosion-resistant pump cover from being affected by dust. Compared with the traditional manual wiping and cleaning or cleaning with the help of external tools, automatic cleaning can be achieved without the help of other external tools. When the cam squeezes the pressing plate, the second spring will be compressed. When the protruding part of the cam is not pressed with the pressing plate, the second spring can automatically reset the pressing plate, the sliding rod, and the piston block, so that the air collecting barrel can inhale gas through the suction pipe, so as to reciprocate the operation, so that the air outlet can reciprocate to clean the dust on the first connecting disk. Compared with the traditional uniform wind cleaning, the reciprocating jet can remove some stubborn dust.

[0017] 3. For the isolation and sealing device that solves the problems of internal corrosion and leakage, after the dust on the first connecting plate and the second connecting plate is removed, the installer first rotates the driving plate one week and then returns it to the initial position. Then, by driving the inserting rod on the first connecting plate with the corrosion-resistant pump cover, it enters the end of the sliding groove on the second connecting plate and continues to insert inward into the second connecting plate until the first connecting plate fits with the second connecting plate. At this time, the driving plate automatically slides into the inserting rod. Subsequently, rotate the corrosion-resistant pump cover again to drive the inserting rod to contact the rack and drive the rack to rotate, causing the gear to rotate. Then, the rotating part reciprocally extrudes the pressing part again, causing the air collecting barrel to repeatedly inhale air through the air suction pipe and enter the cavity of the second connecting plate from the air inlet pipe. At this time, the first connecting plate and the second connecting plate are in a fitting state, and the gas in the cavity of the second connecting plate cannot be extruded through the air outlet hole. At this time, the gas will automatically enter the annular airbag through the annular airbag ring and the air inlet pipe on the second connecting plate, continuously inflating the annular airbag ring and causing it to expand until the inserting rod contacts the limiting rod and the limiting rod is inserted into the limiting groove of the inserting rod, thus completing the sealing between the first connecting plate and the second connecting plate, ensuring the sealing of the installation between the corrosion-resistant pump cover and the pump body, preventing the leakage of the liquid in the pump body and the corrosion-resistant pump cover, and helping to extend the service life of the pump body. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 FIG. 6 is a front structural schematic diagram of an isolation and sealing device for solving internal corrosion and leakage proposed by the present invention; Figure 2 FIG. 7 is a side structural schematic diagram of an isolation and sealing device for solving internal corrosion and leakage proposed by the present invention; Figure 3 An isolation and sealing device for solving internal corrosion and leakage proposed by the present invention Figure 2 FIG. 8 is a structural schematic diagram of part A in the isolation and sealing device for solving internal corrosion and leakage proposed by the present invention; Figure 4 FIG. 9 is a structural schematic diagram of the limiting rod in the isolation and sealing device for solving internal corrosion and leakage proposed by the present invention; Figure 5 An isolation and sealing device for solving internal corrosion and leakage proposed by the present invention Figure 4 FIG. 10 is a structural schematic diagram of part B in the isolation and sealing device for solving internal corrosion and leakage proposed by the present invention; Figure 6 FIG. 11 is a right-view structural schematic diagram of the second connecting plate in the isolation and sealing device for solving internal corrosion and leakage proposed by the present invention; Figure 7 An isolation and sealing device for solving internal corrosion and leakage proposed by the present invention Figure 6 FIG. 12 is a structural schematic diagram of part C in the isolation and sealing device for solving internal corrosion and leakage proposed by the present invention; Figure 8Schematic diagram of the chute of the second connection plate in an isolation and sealing device for solving intracavity corrosion and leakage proposed by the present invention; Figure 9 Schematic diagram of the internal cavity of the second connection plate in an isolation and sealing device for solving intracavity corrosion and leakage proposed by the present invention; Figure 10 An isolation and sealing device for solving intracavity corrosion and leakage proposed by the present invention Figure 9 Schematic diagram of part D in; Figure 11 Schematic diagram of the interior of the second connection plate in an isolation and sealing device for solving intracavity corrosion and leakage proposed by the present invention; Figure 12 An isolation and sealing device for solving intracavity corrosion and leakage proposed by the present invention Figure 11 Schematic diagram of part E in; Figure 13 Schematic diagram of the air guide groove in an isolation and sealing device for solving intracavity corrosion and leakage proposed by the present invention.

[0019] In the figure: 1. Pump body; 2. Corrosion-resistant pump cover; 3. First connection plate; 4. Second connection plate; 5. Connection unit; 51. Plug rod; 52. Slide hole; 53. Chute; 54. Limit groove; 55. Limit rod; 56. First spring; 6. Rotating part; 61. Rack; 62. Gear; 63. Rotating rod; 64. Cam; 65. Connecting rod; 7. Driving plate; 8. Mounting plate; 9. Air collecting barrel; 10. Pressing part; 101. Piston block; 102. Slide rod; 103. Pressing plate; 104. Second spring; 11. Air inlet pipe; 12. Suction pipe; 13. Cavity; 14. Air outlet hole; 15. Air guide groove; 16. Accommodating groove; 17. Annular airbag ring; 18. Air inlet pipe; 19. Motor; 20. Liquid inlet; 21. Liquid outlet. Detailed implementation manners

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments.

[0021] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0022] Example 1: Refer toFigures 1 - 13 , an isolation and sealing device for solving cavity corrosion and leakage, comprising: a pump body 1 and a corrosion-resistant pump cover 2. A first connection disk 3 is fixedly connected to the corrosion-resistant pump cover 2, and a second connection disk 4 is fixedly connected to the pump body 1; further comprising: a connection unit 5 for installing the first connection disk 3 and the second connection disk 4; wherein, the connection unit 5 includes a plug rod 51 fixedly connected to the first connection disk 3. A sliding hole 52 and a sliding groove 53 for the plug rod 51 to slide are formed on the second connection disk 4. A limiting groove 54 is formed on the plug rod 51. A limiting rod 55 for limiting the limiting groove 54 is slidably arranged on the second connection disk 4. A first spring 56 is fixedly connected between the limiting rod 55 and the second connection disk 4.

[0023] A motor 19 is fixedly installed on the pump body 1, and a liquid inlet 20 and a liquid outlet 21 are fixedly communicated with the corrosion-resistant pump cover 2.

[0024] In the present invention, when installing between the corrosion-resistant pump cover 2 and the pump body 1, the plug rod 51 on the first connection disk 3 on the corrosion-resistant pump cover 2 is inserted into the sliding hole 52 and the sliding groove 53 on the second connection disk 4, and then the corrosion-resistant pump cover 2 is rotated to drive the plug rod 51 on the first connection disk 3 to rotate in the sliding groove 53 of the second connection disk 4 until it reaches the limiting rod 55. When the plug rod 51 touches the limiting rod 55, the limiting rod 55 is moved towards the outside of the second connection disk 4 to stretch the first spring 56. Then, under the action of the first spring 56, the limiting rod 55 is inserted into the limiting groove 54 of the plug rod 51 to fix the plug rod 51, thereby fixing between the first connection disk 3 and the second connection disk 4, and further completing the quick installation between the pump body 1 and the corrosion-resistant pump cover 2; when it is necessary to disassemble, repair and replace between the pump body 1 and the corrosion-resistant pump cover 2, only need to pull the limiting rod 55 on the second connection disk 4 outwards to make the limiting rod 55 disengage from the limiting groove 54 of the plug rod 51, then the pump body 1 and the corrosion-resistant pump cover 2 can be quickly disassembled. Compared with the traditional bolt and flange installation, the installation efficiency is greatly improved, and the labor intensity of the operator is reduced.

[0025] Embodiment 2: Refer to Figures 1 - 12 , which is basically the same as Embodiment 1. Further, a rotating member 6 is arranged in the sliding groove 53 of the second connection disk 4. A driving plate 7 for driving the rotating member 6 to move is slidably connected to the limiting rod 55. The rotating member 6 includes a rack 61 rotatably connected in the sliding groove 53 of the second connection disk 4.

[0026] A gear 62 meshing with the rack 61 is rotatably connected in the sliding groove 53 of the second connection disk 4. A rotating rod 63 is fixedly connected to the gear 62. The rotating rod 63 penetrates through the second connection disk 4 and is rotatably connected to the second connection disk 4.

[0027] In the present invention, when the corrosion-resistant pump cover 2 drives the insertion rod 51 on the first connecting plate 3 to enter the sliding hole 52 of the second connecting plate 4, the insertion rod 51 first drives the driving plate 7 to enter the sliding groove 53 of the second connecting plate 4, and then when the corrosion-resistant pump cover 2 rotates, the driving plate 7 will slide against the rack 61 in the sliding groove 53 of the second connecting plate 4, meshing with the gear 62, causing the gear 62 to rotate, and the gear 62 drives the rotating rod 63 to rotate.

[0028] A cam 64 is fixedly connected to one end of the rotating rod 63 away from the gear 62 . Four groups of racks 61 and gears 62 are provided. Connecting rods 65 are fixedly connected between the four groups of racks 61 .

[0029] In the present invention, the rotating rod 63 can provide stable support for the gear 62, so that the gear 62 can rotate stably, and at the same time, it will drive the cam 64 outside the second connecting plate 4 to rotate. When the rack 61 rotates, the four groups of racks 61 can be rotated simultaneously through the connecting rod 65 between the four groups of racks 61.

[0030] A mounting plate 8 is fixedly connected to one side of the second connecting disk 4, and a gas collecting barrel 9 is fixedly connected to the mounting plate 8. The gas collecting barrel 9 is provided with a pressing piece 10 that cooperates with the rotating piece 6. An air intake pipe 11 is fixedly connected between the gas collecting barrel 9 and the second connecting disk 4, and an air intake pipe 12 is fixedly connected to the gas collecting barrel 9.

[0031] A cavity 13 communicating with the air inlet pipe 11 is formed inside the second connection plate 4 , an air outlet 14 communicating with the cavity 13 is formed on the surface of the second connection plate 4 , and an air guide groove 15 is formed on the first connection plate 3 .

[0032] The pressing member 10 includes a piston block 101 connected to the gas collecting barrel 9, a sliding rod 102 is fixedly connected to the piston block 101, the sliding rod 102 passes through the gas collecting barrel 9 and is slidably connected to the gas collecting barrel 9, and a pressing plate 103 that contacts the cam 64 is fixedly connected to one end of the sliding rod 102 away from the piston block 101.

[0033] In the present invention, before the pump body 1 is installed between the corrosion-resistant pump cover 2, the second connecting plate 4 on the pump body 1 and the first connecting plate 3 on the corrosion-resistant pump cover 2 may adhere to the surfaces of the first connecting plate 3 and the second connecting plate 4 due to dust generated during long-term storage or transportation. At this time, the installer can drive the driving plate 7 on the plug rod 51 on the first connecting plate 3 to enter the slide groove 53 of the second connecting plate 4 through the corrosion-resistant pump cover 2, and then the installer drives the driving plate 7 to rotate around the second connecting plate 4 against the rack 61 by rotating the corrosion-resistant pump cover 2. During the rotation of the rack 61, the gear 62 continues to rotate, thereby causing the cam 64 to rotate continuously. When the protruding portion of the cam 64 conflicts with the pressing plate 103, the pressing plate 103 will drive the sliding rod 102 and the piston block 101 to slide toward the inner direction of the gas collecting barrel 9, so that the gas in the gas collecting barrel 9 enters the cavity 13 of the second connecting plate 4 through the air inlet pipe 11, and then discharges the gas from the air outlet 14. Extrusion, remove dust on the surface of the first connecting disk 3. When the gas is sprayed onto the first connecting disk 3, the gas will also enter the air guide groove 15 on the first connecting disk 3, so that the gas will flow back to the air outlet 14 along the direction of the air guide groove 15, so that the dust on the second connecting disk 4 can be removed while cleaning the first connecting disk 3. Therefore, the dust on the first connecting disk 3 and the second connecting disk 4 can be automatically removed before installation between the pump body 1 and the corrosion-resistant pump cover 2, which can prevent the installation effect between the pump body 1 and the corrosion-resistant pump cover 2 from being affected by dust. Compared with the traditional manual wiping and cleaning or cleaning with the help of external tools, automatic cleaning can be achieved without the help of other external tools. It should be noted that one-way valves are installed inside the air inlet pipe 11 and the air intake pipe 12 to prevent the gas from being squeezed out from the air intake pipe 12 when being squeezed out, and to prevent the gas from being inhaled from the air inlet pipe 11 when being inhaled.

[0034] A second spring 104 is sleeved on the surface of the slide bar 102 , and two ends of the second spring 104 are respectively against the gas collecting barrel 9 and the pressing plate 103 .

[0035] In the present invention, when the cam 64 presses the pressing plate 103, the second spring 104 is compressed. When the protrusion of the cam 64 is not pressing the pressing plate 103, the second spring 104 can automatically reset the pressing plate 103, the sliding rod 102, and the piston block 101, so that the gas collecting barrel 9 inhales gas through the suction pipe 12. This reciprocating operation can enable the air outlet 14 to reciprocate to remove dust on the first connecting disk 3. Compared with traditional uniform wind cleaning, the reciprocating jet can remove some stubborn dust.

[0036] Example 3: Reference Figures 1 - 13, which is basically the same as the first embodiment. Further, a receiving groove 16 is formed on the surface of the second connection disk 4, and an annular airbag ring 17 is fixedly connected inside the receiving groove 16. An air inlet pipe 18 is fixedly connected and communicated between the annular airbag ring 17 and the air outlet hole 14 of the second connection disk 4.

[0037] In the present invention, after the dust on the first connection disk 3 and the second connection disk 4 is removed, the installer first rotates the driving plate 7 one week and then returns it to the initial position. Then, the corrosion-resistant pump cover 2 is driven to drive the insertion rod 51 on the first connection disk 3 into the end of the sliding groove 53 of the second connection disk 4, and continuously inserts it in the direction of the inside of the second connection disk 4 until the first connection disk 3 fits with the second connection disk 4. At this time, the driving plate 7 automatically slides into the insertion rod 51. Subsequently, the corrosion-resistant pump cover 2 is rotated again to drive the insertion rod 51 to abut against the rack 61 and drive the rack 61 to rotate, so that the gear 62 rotates, and the rotating member 6 presses the pressing member 10 reciprocally again, so that the air collecting barrel 9 repeatedly inhales air through the air suction pipe 12 and enters the cavity 13 of the second connection disk 4 from the air inlet pipe 11. At this time, the first connection disk 3 and the second connection disk 4 are in a fitting state, and the gas in the cavity 13 of the second connection disk 4 cannot be extruded through the air outlet hole 14. At this time, the gas will automatically enter the annular airbag ring 17 through the annular airbag ring 17 and the air inlet pipe 18 on the second connection disk 4, continuously inflate the annular airbag ring 17, and generate expansion until the insertion rod 51 abuts against the limiting rod 55, and the limiting rod 55 is inserted into the limiting groove 54 of the insertion rod 51, then the sealing between the first connection disk 3 and the second connection disk 4 can be completed, which can ensure the sealing of the installation between the corrosion-resistant pump cover 2 and the pump body 1, prevent the liquid in the pump body 1 and the corrosion-resistant pump cover 2 from leaking, and help to extend the service life of the pump body 1.

[0038] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. An isolation and sealing device for solving corrosion and leakage in a cavity, comprising: A pump body (1) and a corrosion-resistant pump cover (2), characterized in that a first connection plate (3) is fixedly connected to the corrosion-resistant pump cover (2), and a second connection plate (4) is fixedly connected to the pump body (1); and further comprising: A connection unit (5) for mounting the first connection disk (3) and the second connection disk (4); The connection unit (5) comprises an insertion rod (51) fixedly connected to the first connection disk (3); the second connection disk (4) is provided with a sliding hole (52) and a sliding groove (53) for the insertion rod (51) to slide; the insertion rod (51) is provided with a limiting groove (54); the second connection disk (4) is slidably provided with a limiting rod (55) for limiting the limiting groove (54); and a first spring (56) is fixedly connected between the limiting rod (55) and the second connection disk (4).

2. The isolation and sealing device for solving the problem of corrosion and leakage in a cavity according to claim 1, characterized in that: A rotating member (6) is arranged in the sliding groove (53) of the second connecting disk (4), and a driving plate (7) for driving the rotating member (6) to move is slidably connected to the limiting rod (55), and the rotating member (6) comprises a rack (61) rotatably connected to the sliding groove (53) of the second connecting disk (4).

3. The isolation and sealing device for solving the problem of corrosion and leakage in a cavity according to claim 2, characterized in that: A gear (62) meshing with the rack (61) is rotatably connected in the slide groove (53) of the second connection disk (4), and a rotating rod (63) is fixedly connected to the gear (62). The rotating rod (63) passes through the second connection disk (4) and is rotatably connected to the second connection disk (4).

4. The isolation and sealing device for solving the problem of corrosion and leakage in a cavity according to claim 3, characterized in that: A cam (64) is fixedly connected to one end of the rotating rod (63) away from the gear (62), four groups of the racks (61) and the gears (62) are provided, and connecting rods (65) are fixedly connected between the four groups of the racks (61).

5. The isolation and sealing device for solving the problem of corrosion and leakage in a cavity according to claim 4, characterized in that: A mounting plate (8) is fixedly connected to one side of the second connection disk (4), a gas collecting barrel (9) is fixedly connected to the mounting plate (8), a pressing member (10) cooperating with the rotating member (6) is provided on the gas collecting barrel (9), an air intake pipe (11) is fixedly connected between the gas collecting barrel (9) and the second connection disk (4), and an air suction pipe (12) is fixedly connected to the gas collecting barrel (9).

6. The isolation and sealing device for solving the problem of corrosion and leakage in a cavity according to claim 1, characterized in that: The second connection plate (4) has a cavity (13) in communication with the air inlet pipe (11) formed therein, the surface of the second connection plate (4) has an air outlet (14) in communication with the cavity (13), and the first connection plate (3) has an air guide groove (15) formed thereon.

7. The isolation and sealing device for solving the problem of corrosion and leakage in a cavity according to claim 5, characterized in that: The pressing member (10) comprises a piston block (101) connected to a piston in a gas collecting barrel (9); a sliding rod (102) is fixedly connected to the piston block (101); the sliding rod (102) passes through the gas collecting barrel (9) and is slidably connected to the gas collecting barrel (9); and a pressing plate (103) that contacts the cam (64) is fixedly connected to one end of the sliding rod (102) away from the piston block (101).

8. The isolation and sealing device for solving the problem of corrosion and leakage in a cavity according to claim 7, characterized in that: A second spring (104) is sleeved on the surface of the sliding rod (102), and two ends of the second spring (104) are respectively against the gas collecting barrel (9) and the pressing plate (103).

9. The isolation and sealing device for solving the problem of corrosion and leakage in a cavity according to claim 6, characterized in that: A receiving groove (16) is provided on the surface of the second connecting plate (4), an annular airbag ring (17) is fixedly connected to the interior of the receiving groove (16), and an air inlet pipe (18) is fixedly connected between the annular airbag ring (17) and the air outlet hole (14) of the second connecting plate (4).

10. The isolation and sealing device for solving the problem of corrosion and leakage in a cavity according to claim 1, characterized in that: A motor (19) is fixedly mounted on the pump body (1), and a liquid inlet (20) and a liquid outlet (21) are fixedly connected on the corrosion-resistant pump cover (2).

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