A water tank sealing ring with an anti-deformation structure

Abstract

The present invention discloses a water tank sealing ring with an anti-deformation structure, belonging to the technical field of water tank sealing rings. By placing the lower sealing ring on the water tank pipe body, sleeving the third side protection arc-shaped outer plate and the fourth side protection arc-shaped outer plate on the outer side of the water tank pipe body, sleeving the first side protection arc-shaped outer plate and the second side protection arc-shaped outer plate on the outer side of the locking member, making the upper sealing ring contact the bottom of the sealing disc body of the locking member, improving the sealing effect through the sealing spring, and realizing the functions of protection and anti-deformation through the protection arc-shaped outer plate.

Description

Technical Field

[0001] The present invention relates to a water tank sealing ring, in particular to a water tank sealing ring with an anti-deformation structure, belonging to the technical field of water tank sealing rings. Background Art

[0002] The rubber gasket is a self-expanding sealing gasket and belongs to the pipeline sealing component. The rubber gasket has properties such as oil resistance, acid and alkali resistance, cold and heat resistance, and aging resistance, so it is widely used in industries such as automobiles, electronics, chemical engineering, antistatic, flame retardant, and food. The uses of rubber gaskets are also very extensive. There is a layer of rubber gasket on the lid of the beverage we usually drink, which is used for sealing to isolate the air circulation with the outside world. The working principles on machinery are static and dynamic. In short, they are all used to isolate from the outside world or a certain place. The working principle of the gasket is also very simple. It can be said that there are not too many principles, just isolation.

[0003] The structure of the water tank sealing ring in the prior art is simple. The sealing ring is simply placed on the placement ring part on the outer side of the pipe body. By inserting the fastener into the inner side of the pipe body, the sealing disc at the top of the fastener is in contact with the sealing ring to achieve sealing. However, this sealing method is first not fully sealed, and water leakage and other phenomena will occur after long-term use. Secondly, the locking part and the pipe body cannot be positioned and protected from deformation. Therefore, a water tank sealing ring with an anti-deformation structure is designed to optimize the above problems. Summary of the Invention

[0004] The main purpose of the present invention is to provide a water tank sealing ring with an anti-deformation structure. By placing the lower sealing ring on the water tank pipe body, sleeving the third side protection arc-shaped outer plate and the fourth side protection arc-shaped outer plate on the outer side of the water tank pipe body, sleeving the first side protection arc-shaped outer plate and the second side protection arc-shaped outer plate on the outer side of the locking part, making the upper sealing ring contact the bottom of the sealing disc body of the locking part, improving the sealing effect through the sealing spring, and realizing the functions of protection and anti-deformation through the protection arc-shaped outer plate.

[0005] The object of the present invention can be achieved by adopting the following technical solutions:

[0006] A water tank sealing ring with an anti-deformation structure, comprising an upper sealing ring and a first edge fixing ring installed at the bottom outside of the upper sealing ring. One side of the top of the first edge fixing ring is welded with a first side protection arc-shaped outer plate, and the other side of the top of the first edge fixing ring is provided with a second side protection arc-shaped outer plate. A first protection component is arranged inside the first side protection arc-shaped outer plate, and a second protection component is arranged inside the second side protection arc-shaped outer plate. The top of the outside of the lower sealing ring is provided with a second edge fixing ring. One side of the bottom of the second edge fixing ring is welded with a third side protection arc-shaped outer plate, and the other side of the bottom of the second edge fixing ring is welded with a fourth side protection arc-shaped outer plate. A third protection component is arranged inside the third side protection arc-shaped outer plate, and a fourth protection component is arranged inside the fourth side protection arc-shaped outer plate. Sealing springs are arranged at equal intervals along the ring part of the bottom of the upper sealing ring, and the ends of the sealing springs far away from the upper sealing ring are welded to the top of the lower sealing ring.

[0007] Preferably, the first protection component includes a first side protection arc-shaped inner plate arranged inside the first side protection arc-shaped outer plate. A first rubber side arc-shaped plate is arranged inside the first side protection arc-shaped inner plate, and a clamping spring is arranged between the first side protection arc-shaped inner plate and the first rubber side arc-shaped plate.

[0008] Preferably, the second protection component includes a second side protection arc-shaped inner plate arranged inside the second side protection arc-shaped outer plate. A second rubber side arc-shaped plate is arranged inside the second side protection arc-shaped inner plate, and a clamping spring is also arranged between the second rubber side arc-shaped plate and the second side protection arc-shaped inner plate.

[0009] Preferably, the third protection component includes a third side protection arc-shaped inner plate arranged inside the third side protection arc-shaped outer plate. A third rubber side arc-shaped plate is arranged inside the third side protection arc-shaped inner plate, and a clamping spring is also arranged between the third rubber side arc-shaped plate and the third side protection arc-shaped inner plate.

[0010] Preferably, the fourth protection component includes a fourth side protection arc-shaped inner plate arranged inside the fourth side protection arc-shaped outer plate. A fourth rubber side arc-shaped plate is arranged inside the fourth side protection arc-shaped inner plate, and a clamping spring is also arranged between the fourth rubber side arc-shaped plate and the fourth side protection arc-shaped inner plate.

[0011] Preferably, at the middle positions on the outside of the third side protection arc-shaped outer plate and the outside of the fourth side protection arc-shaped outer plate, third side protection arc-shaped outer plates penetrating through the inside of the third side protection arc-shaped outer plate and the fourth side protection arc-shaped outer plate are respectively provided, and internal threaded holes meshing with the second locking rod are arranged inside both the third side protection arc-shaped outer plate and the fourth side protection arc-shaped outer plate.

[0012] Preferably, at the middle positions on the outer sides of the first side protection arc-shaped outer plate and the second side protection arc-shaped outer plate, first locking rods penetrating to the inner sides of the first side protection arc-shaped outer plate and the second side protection arc-shaped outer plate are respectively provided, and internal threaded holes meshing with the first locking rods are provided on the inner sides of the first side protection arc-shaped outer plate and the second side protection arc-shaped outer plate.

[0013] Preferably, lower sealing rings are installed at the ends of the first locking rod and the second locking rod away from the locking disc body, and the other sides of the lower sealing rings are respectively installed at the middle parts of the outer sides of the first side protection arc-shaped inner plate, the second side protection arc-shaped inner plate, the third side protection arc-shaped inner plate and the fourth side protection arc-shaped inner plate.

[0014] Preferably, the outer diameters of the upper sealing ring and the lower sealing ring are 6 cm, the outer diameters of the first edge fixing ring and the second edge fixing ring are 7 cm, the heights of the first side protection arc-shaped outer plate and the second side protection arc-shaped outer plate are 6 cm, and the heights of the third side protection arc-shaped outer plate and the fourth side protection arc-shaped outer plate are 8 cm.

[0015] Preferably, the preparation method of the water tank sealing ring is as follows:

[0016] Step 1: Weigh the following materials for standby according to parts by weight. The materials include 110 - 120 parts by weight of ethylene propylene diene monomer rubber, 25 - 35 parts by weight of polyvinyl chloride resin, 7 - 11 parts of modified saline-alkali soil, 6 - 8 parts of aluminum sulfate, 3 - 5 parts of cetyl dimethyl benzyl ammonium chloride, 12 - 18 parts by weight of sodium dodecyl benzene sulfonate, 7 - 11 parts of surfactant, 6 - 10 parts of calcium sulfate, 4 - 8 parts of plasticizer, 2 - 6 parts of antioxidant, 3 - 5 parts of nano-antimony trioxide, 1 - 5 parts of nano-magnesium oxide, 1 - 5 parts of nano-titanium dioxide, and 2 - 8 parts of nano-silicon carbide; among them, the preparation method of the modified saline-alkali soil is: drying 30 parts of saline-alkali soil and crushing it into fine powder with a mesh size of 200, then soaking the fine powder in 45 parts of dodecyl betaine, transferring it to a reaction kettle after soaking for 24 h, adding 8 parts of cinnamene, 9 parts of citric acid and 12 parts of tween, reacting at 100 °C for 1.5 h under a pressure of 0.6 MPa, and then drying to obtain it;

[0017] Step 2: Batchwise feed the raw materials weighed in Step S1 into a roasting machine, control the roasting time at 5 - 15 min according to the humidity of different components, roast until completely dry, then place it in a high-speed crusher for sufficient crushing, filter through a sieve with a mesh size of 2000 - 4000, and stir evenly to obtain mixture A;

[0018] Step 3: Slowly pour the mixture obtained in Step S2 into an SHL-35 type twin-screw extruder for pelletizing, set the extrusion temperature at 200 °C, and the main machine speed at 60 r / min;

[0019] Step 4: Stir the mixture A particles extruded in step S3 at a speed of 1000 - 1200 r / min for 10 - 16 min, and then melt and blend at 170 - 180 °C for 30 - 40 min to obtain mixture B;

[0020] Step 5: Transfer the mixture B obtained in step S4 to an internal mixer for internal mixing treatment, control the discharge temperature ≤ 100 °C, and obtain a rubber compound after uniform internal mixing;

[0021] Step 6: Subject the rubber compound obtained in step S5 to die pressing and vulcanization molding treatments to obtain a semi-finished sealing ring;

[0022] Step 7: Trim the burrs of the obtained semi-finished product to obtain an oil-resistant, acid- and alkali-resistant finished sealing ring;

[0023] Step 8: Fix the outer paste edge of the water tank sealing ring obtained by finished product detection to the edge fixing ring;

[0024] Step 9: Weld a protective arc-shaped outer plate on the edge fixing ring.

[0025] Advantageous technical effects of the present invention:

[0026] A water tank sealing ring with an anti-deformation structure provided by the present invention, by placing the lower sealing ring on the water tank pipe body, sleeving the third side protective arc-shaped outer plate and the fourth side protective arc-shaped outer plate on the outside of the water tank pipe body, sleeving the first side protective arc-shaped outer plate and the second side protective arc-shaped outer plate on the outside of the locking member, contacting the upper sealing ring with the bottom of the sealing disc body of the locking member, improving the sealing effect through the sealing spring, and realizing the functions of protection and anti-deformation through the protective arc-shaped outer plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is an exploded three-dimensional structural schematic diagram of a preferred embodiment of a water tank sealing ring with an anti-deformation structure according to the present invention;

[0028] Figure 2 It is a three-dimensional structural schematic diagram of a sealing ring of a preferred embodiment of a water tank sealing ring with an anti-deformation structure according to the present invention;

[0029] Figure 3 It is a side sectional view of a clamping assembly of a preferred embodiment of a water tank sealing ring with an anti-deformation structure according to the present invention;

[0030] Figure 4 It is an enlarged view of the structure at A of a preferred embodiment of a water tank sealing ring with an anti-deformation structure according to the present invention;

[0031] Figure 5It is an enlarged view of the structure at position B of a preferred embodiment of a water tank sealing ring with an anti-deformation structure according to the present invention.

[0032] In the figure: 1 - First side protection arc-shaped outer plate, 2 - Second side protection arc-shaped outer plate, 3 - First rubber side arc-shaped plate, 4 - Second rubber side arc-shaped plate, 5 - First locking rod, 6 - Second side protection arc-shaped inner plate, 7 - First side protection arc-shaped inner plate, 8 - Third side protection arc-shaped outer plate, 9 - Second locking rod, 10 - Third rubber side arc-shaped plate, 11 - Third side protection arc-shaped inner plate, 12 - Fourth rubber side arc-shaped plate, 13 - Fourth side protection arc-shaped outer plate, 14 - Fourth side protection arc-shaped inner plate, 15 - Upper sealing ring, 16 - Lower sealing ring, 17 - Clamping spring, 18 - First edge fixing ring, 19 - Sealing spring, 20 - Second edge fixing ring. Detailed implementation mode

[0033] To make the technical solutions of the present invention clearer and more definite for those skilled in the art, the present invention will be further described in detail below in conjunction with embodiments and accompanying drawings, but the implementation modes of the present invention are not limited thereto.

[0034] Embodiment 1

[0035] As Figures 1 - 5 shown, a water tank sealing ring with an anti-deformation structure provided in this embodiment includes an upper sealing ring 15 and a first edge fixing ring 18 installed at the bottom outside the upper sealing ring 15. One side of the top of the first edge fixing ring 18 is welded with a first side protection arc-shaped outer plate 1, and the other side of the top of the first edge fixing ring 18 is provided with a second side protection arc-shaped outer plate 2. A first protection component is provided inside the first side protection arc-shaped outer plate 1, and a second protection component is provided inside the second side protection arc-shaped outer plate 2. The top of the outside of the lower sealing ring 16 is provided with a second edge fixing ring 20. One side of the bottom of the second edge fixing ring 20 is welded with a third side protection arc-shaped outer plate 8, and the other side of the bottom of the second edge fixing ring 20 is welded with a fourth side protection arc-shaped outer plate 13. A third protection component is provided inside the third side protection arc-shaped outer plate 8, and a fourth protection component is provided inside the fourth side protection arc-shaped outer plate 13. Sealing springs 19 are arranged at equal intervals along the ring part at the bottom of the upper sealing ring 15, and the ends of the sealing springs 19 far from the upper sealing ring 15 are welded to the top of the lower sealing ring 16.

[0036] By placing the lower sealing ring 16 on the water tank pipe body, sleeving the third side protection arc-shaped outer plate 8 and the fourth side protection arc-shaped outer plate 13 outside the water tank pipe body, sleeving the first side protection arc-shaped outer plate 1 and the second side protection arc-shaped outer plate 2 outside the locking part, making the upper sealing ring 15 contact the bottom of the sealing disc body of the locking part, improving the sealing effect through the sealing spring 19, and realizing the functions of protection and anti-deformation through the protection arc-shaped outer plate.

[0037] In this embodiment, the first protection component includes a first side protection arc inner plate 7 provided inside the first side protection arc outer plate 1. A first rubber side arc plate 3 is provided inside the first side protection arc inner plate 7, and a clamping spring 17 is provided between the first side protection arc inner plate 7 and the first rubber side arc plate 3.

[0038] In this embodiment, the second protection component includes a second side protection arc inner plate 6 provided inside the second side protection arc outer plate 2. A second rubber side arc plate 4 is provided inside the second side protection arc inner plate 6, and a clamping spring 17 is also provided between the second rubber side arc plate 4 and the second side protection arc inner plate 6.

[0039] In this embodiment, the third protection component includes a third side protection arc inner plate 11 provided inside the third side protection arc outer plate 8. A third rubber side arc plate 10 is provided inside the third side protection arc inner plate 11, and a clamping spring 17 is also provided between the third rubber side arc plate 10 and the third side protection arc inner plate 11.

[0040] In this embodiment, the fourth protection component includes a fourth side protection arc inner plate 14 provided inside the fourth side protection arc outer plate 13. A fourth rubber side arc plate 12 is provided inside the fourth side protection arc inner plate 14, and a clamping spring 17 is also provided between the fourth rubber side arc plate 12 and the fourth side protection arc inner plate 14.

[0041] In this embodiment, at the middle positions on the outer sides of the third side protection arc outer plate 8 and the fourth side protection arc outer plate 13 respectively, there are third side protection arc outer plates 8 penetrating through to the inner sides of the third side protection arc outer plate 8 and the fourth side protection arc outer plate 13, and internal threaded holes engaging with the second locking rod 9 are provided on the inner sides of both the third side protection arc outer plate 8 and the fourth side protection arc outer plate 13.

[0042] In this embodiment, at the middle positions on the outer sides of the first side protection arc outer plate 1 and the second side protection arc outer plate 2 respectively, there are first locking rods 5 penetrating through to the inner sides of the first side protection arc outer plate 1 and the second side protection arc outer plate 2, and internal threaded holes engaging with the first locking rod 5 are provided on the inner sides of both the first side protection arc outer plate 1 and the second side protection arc outer plate 2.

[0043] In this embodiment, lower sealing rings 16 are installed at the ends of the first locking rod 5 and the second locking rod 9 away from the locking disc body, and the other sides of the lower sealing rings 16 are respectively installed at the middle parts on the outer sides of the first side protection arc inner plate 7, the second side protection arc inner plate 6, the third side protection arc inner plate 11, and the fourth side protection arc inner plate 14.

[0044] In this embodiment, the outer diameters of the upper sealing ring 15 and the lower sealing ring 16 are 6 cm, the outer diameters of the first edge fixing ring 18 and the second edge fixing ring 20 are 7 cm, the height of the first side protection arc-shaped outer plate 1 and the second side protection arc-shaped outer plate 2 is 6 cm, and the height of the third side protection arc-shaped outer plate 8 and the fourth side protection arc-shaped outer plate 13 is 8 cm.

[0045] In this embodiment, the preparation method of the water tank sealing ring is as follows:

[0046] Step 1: Weigh the following materials for standby according to parts by weight. The materials include 110 parts by weight of ethylene propylene diene monomer rubber, 25 parts by weight of polyvinyl chloride resin, 7 parts of modified saline-alkali soil, 6 parts of aluminum sulfate, 3 parts of cetyl dimethyl benzyl ammonium chloride, 12 parts by weight of sodium dodecyl benzene sulfonate, 7 parts of surfactant, 6 parts by weight of calcium sulfate, 4 parts by weight of plasticizer, 2 parts by weight of antioxidant, 3 parts by weight of nano-antimony trioxide, 1 part by weight of nano-magnesium oxide, 1 part by weight of nano-titanium dioxide, and 2 parts by weight of nano-silicon carbide. Among them, the preparation method of the modified saline-alkali soil is as follows: Dry 30 parts of saline-alkali soil and crush it into fine powder with a mesh size of 200, then soak the fine powder in 45 parts of dodecyl betaine. After soaking for 24 hours, transfer it to a reaction kettle, and add 8 parts of cinnamene, 9 parts of citric acid, and 12 parts of tween. Under a pressure of 0.6 MPa, react at 100 °C for 1.5 hours and then dry it to obtain the modified saline-alkali soil.

[0047] Step 2: Feed the raw materials weighed in Step S1 into a roasting machine in batches. The roasting time is controlled at 5 minutes according to the humidity of different components. Roast until completely dry, then place it in a high-speed crusher for sufficient crushing, filter through a 2000-mesh sieve, and stir evenly to obtain mixture A.

[0048] Step 3: Slowly pour the mixture A obtained in Step S2 into an SHL-35 type twin-screw extruder for extrusion granulation. The extrusion temperature is set at 200 °C, and the main machine speed is 60 r / min.

[0049] Step 4: Stir the mixture A particles extruded in Step S3 at a speed of 1000 r / min for 10 minutes, and then melt and blend at 170 °C for 30 minutes to obtain mixture B.

[0050] Step 5: Transfer the mixture B obtained in Step S4 to an internal mixer for internal mixing treatment, control the discharge temperature ≤ 100 °C, and obtain a rubber compound after uniform internal mixing.

[0051] Step 6: Subject the rubber compound obtained in Step S5 to mold pressing and vulcanization molding treatment to obtain a semi-finished sealing ring.

[0052] Step 7: Trim the burrs of the obtained semi-finished product to obtain a finished oil-resistant and acid-alkali-resistant sealing ring.

[0053] Step 8: Final product inspection to obtain the water tank sealing ring, and paste the outer edge of the water tank sealing ring to the edge fixing ring;

[0054] Step 9: Weld the protective arc-shaped outer plate on the edge fixing ring.

[0055] Example 2

[0056] In this example, the preparation method of the water tank sealing ring is as follows:

[0057] Step 1: Weigh the following materials for standby according to parts by weight. The materials include 115 parts by weight of ethylene propylene diene monomer rubber, 30 parts by weight of polyvinyl chloride resin, 9 parts of modified saline-alkali soil, 7 parts of aluminum sulfate, 4 parts of cetyl dimethyl benzyl ammonium chloride, 15 parts by weight of sodium dodecylbenzenesulfonate, 9 parts of surfactant, 7 parts by weight of calcium sulfate, 6 parts of plasticizer, 4 parts of antioxidant, 4 parts by weight of nano-antimony trioxide, 3 parts of nano-magnesium oxide, 3 parts of nano-titanium dioxide, and 5 parts of nano-silicon carbide; among them, the preparation method of the modified saline-alkali soil is: dry 30 parts of saline-alkali soil and crush it into fine powder of 200 mesh, then soak the fine powder in 45 parts of dodecyl betaine, transfer it to a reaction kettle after soaking for 24 h, and add 8 parts of cinnamene, 9 parts of citric acid and 12 parts of tween, and react at 100 °C for 1.5 h under the pressure of 0.6 MPa, and then dry it to obtain;

[0058] Step 2: Feed the raw materials weighed in step S1 into the roasting machine in batches. The roasting time is controlled at 5 - 15 min according to the humidity of different components. Roast until completely dry, then place it in a high-speed crusher for sufficient crushing, filter through a 2000 - 4000 mesh sieve and stir evenly to obtain the mixture A;

[0059] Step 3: Slowly pour the mixture A obtained in step S2 into a SHL-35 type twin-screw extruder for extrusion granulation. The extrusion temperature is set at 200 °C, and the main machine speed is 60 r / min;

[0060] Step 4: Stir the mixture A particles extruded in step S3 at a speed of 1100 r / min for 13 min, and then melt and blend at 175 °C for 35 min to obtain the mixture B;

[0061] Step 5: Transfer the mixture B obtained in step S4 to an internal mixer for internal mixing treatment, control the discharge temperature ≤ 100 °C, and obtain the rubber mixed rubber after uniform internal mixing;

[0062] Step 6: After the rubber mixed rubber obtained in step S5 is processed by mold pressing and vulcanization molding, obtain the semi-finished sealing ring;

[0063] Step 7: Trim the burrs of the obtained semi-finished product to obtain a finished product of an oil-resistant and acid-alkali-resistant sealing ring;

[0064] Step 8: The finished product is inspected to obtain the water tank sealing ring, and the outer pasting edge of the water tank sealing ring is fixed to the fixing ring;

[0065] Step 9: Weld the protective arc-shaped outer plate on the edge fixing ring.

[0066] Embodiment III

[0067] In this embodiment, the preparation method of the water tank sealing ring is as follows:

[0068] Step 1: Weigh the following materials in parts by weight for standby. The materials include 120 parts by weight of ethylene propylene diene monomer rubber, 35 parts by weight of polyvinyl chloride resin, 11 parts of modified saline-alkali soil, 8 parts of aluminum sulfate, 5 parts of cetyl dimethyl benzyl ammonium chloride, 18 parts by weight of sodium dodecylbenzenesulfonate, 11 parts of surfactant, 10 parts of calcium sulfate, 8 parts of plasticizer, 6 parts of antioxidant, 5 parts of nano-antimony trioxide, 5 parts of nano-magnesium oxide, 5 parts of nano-titanium dioxide, and 8 parts of nano-silicon carbide; among them, the preparation method of the modified saline-alkali soil is: dry 30 parts of saline-alkali soil and crush it into fine powder of 200 meshes, then soak the fine powder in 45 parts of dodecyl betaine, after soaking for 24 h, transfer it to a reaction kettle, and add 8 parts of cinnamene, 9 parts of citric acid and 12 parts of tween, under the pressure of 0.6 MPa, react at 100 °C for 1.5 h and then dry it to obtain;

[0069] Step 2: Feed the raw materials weighed in Step S1 into a roasting machine in batches. The roasting time is controlled at 15 min according to the humidity of different components. Roast until completely dry, then place it in a high-speed crusher for sufficient crushing, filter through a 4000-mesh sieve and stir evenly to obtain the mixture A;

[0070] Step 3: Slowly pour the mixture A obtained in Step S2 into a SHL-35 type twin-screw extruder for extrusion granulation. The extrusion temperature is set at 200 °C and the main machine speed is 60 r / min;

[0071] Step 4: Stir the mixture A particles extruded in Step S3 at a speed of 1200 r / min for 16 min, and then melt and blend at 180 °C for 40 min to obtain the mixture B;

[0072] Step 5: Transfer the mixture B obtained in Step S4 to an internal mixer for internal mixing treatment, control the discharge temperature ≤ 100 °C, and obtain the rubber mixing compound after mixing evenly;

[0073] Step 6: After the rubber mixing compound obtained in Step S5 is subjected to mold pressing and vulcanization molding treatment, obtain the semi-finished sealing ring;

[0074] Step 7: Trim the burrs of the obtained semi-finished product to obtain a finished oil-resistant and acid-alkali-resistant sealing ring;

[0075] Step 8: Conduct finished product inspection to obtain a water tank sealing ring, and paste the outer edge of the water tank sealing ring to a fixed ring;

[0076] Step 9: Weld a protective arc-shaped outer plate on the fixed ring at the edge.

[0077] The above are only further embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the scope disclosed by the present invention, according to the technical solution and concept of the present invention, makes equivalent substitutions or changes, which all belong to the protection scope of the present invention.

Claims

1. A water tank sealing ring with an anti-deformation structure, characterized in that: It includes an upper sealing ring (15) and a first edge fixing ring (18) installed at the outer bottom of the upper sealing ring (15). One side of the top of the first edge fixing ring (18) is welded with a first side protection arc-shaped outer plate (1), and the other side of the top of the first edge fixing ring (18) is provided with a second side protection arc-shaped outer plate (2). A first protection component is arranged inside the first side protection arc-shaped outer plate (1), and a second protection component is arranged inside the second side protection arc-shaped outer plate (2). At the top of the outer side of the lower sealing ring (16), there is a second edge fixing ring (20). One side of the bottom of the second edge fixing ring (20) is welded with a third side protection arc-shaped outer plate (8), and the other side of the bottom of the second edge fixing ring (20) is welded with a fourth side protection arc-shaped outer plate (13). A third protection component is arranged inside the third side protection arc-shaped outer plate (8), and a fourth protection component is arranged inside the fourth side protection arc-shaped outer plate (13). At the bottom of the upper sealing ring (15), sealing springs (19) are equidistantly arranged along its ring part, and the ends of the sealing springs (19) far from the upper sealing ring (15) are welded to the top of the lower sealing ring (16); The first protection component includes a first side protection arc-shaped inner plate (7) arranged inside the first side protection arc-shaped outer plate (1). Inside the first side protection arc-shaped inner plate (7), there is a first rubber side arc-shaped plate (3), and a clamping spring (17) is arranged between the first side protection arc-shaped inner plate (7) and the first rubber side arc-shaped plate (3); The second protection component includes a second side protection arc-shaped inner plate (6) arranged inside the second side protection arc-shaped outer plate (2). Inside the second side protection arc-shaped inner plate (6), there is a second rubber side arc-shaped plate (4), and a clamping spring (17) is also arranged between the second rubber side arc-shaped plate (4) and the second side protection arc-shaped inner plate (6); The third protection component includes a third side protection arc-shaped inner plate (11) arranged inside the third side protection arc-shaped outer plate (8). Inside the third side protection arc-shaped inner plate (11), there is a third rubber side arc-shaped plate (10), and a clamping spring (17) is also arranged between the third rubber side arc-shaped plate (10) and the third side protection arc-shaped inner plate (11); The fourth protection component includes a fourth side protection arc-shaped inner plate (14) arranged inside the fourth side protection arc-shaped outer plate (13). Inside the fourth side protection arc-shaped inner plate (14), there is a fourth rubber side arc-shaped plate (12), and a clamping spring (17) is also arranged between the fourth rubber side arc-shaped plate (12) and the fourth side protection arc-shaped inner plate (14).

2. The water tank sealing ring with an anti-deformation structure according to claim 1, characterized in that: At the middle positions of the outer sides of the third side protection arc-shaped outer plate (8) and the fourth side protection arc-shaped outer plate (13) respectively, there are third side protection arc-shaped outer plates (8) penetrating to the inner sides of the third side protection arc-shaped outer plate (8) and the fourth side protection arc-shaped outer plate (13), and internal threaded holes meshing with the second locking rod (9) are arranged inside both the third side protection arc-shaped outer plate (8) and the fourth side protection arc-shaped outer plate (13).

3. The water tank sealing ring with an anti-deformation structure according to claim 1, wherein: At the middle positions on the outer sides of the first side protection arc-shaped outer plate (1) and the second side protection arc-shaped outer plate (2), first locking rods (5) penetrating to the inner sides of the first side protection arc-shaped outer plate (1) and the second side protection arc-shaped outer plate (2) are respectively provided, and internal threaded holes meshing with the first locking rods (5) are provided on the inner sides of the first side protection arc-shaped outer plate (1) and the second side protection arc-shaped outer plate (2).

4. The water tank sealing ring with an anti-deformation structure according to claim 2, characterized in that: Lower sealing rings (16) are installed at the ends of the first locking rod (5) and the second locking rod (9) far away from the locking disc body, and the other sides of the lower sealing rings (16) are respectively installed at the middle parts on the outer sides of the first side protection arc-shaped inner plate (7), the second side protection arc-shaped inner plate (6), the third side protection arc-shaped inner plate (11) and the fourth side protection arc-shaped inner plate (14).

5. The water tank sealing ring with an anti-deformation structure according to claim 1, characterized in that: The outer diameters of the upper sealing ring (15) and the lower sealing ring (16) are 6 cm, the outer diameters of the first edge fixing ring (18) and the second edge fixing ring (20) are 7 cm, the height of the first side protection arc-shaped outer plate (1) and the second side protection arc-shaped outer plate (2) is 6 cm, and the height of the third side protection arc-shaped outer plate (8) and the fourth side protection arc-shaped outer plate (13) is 8 cm.

6. The water tank sealing ring with an anti-deformation structure according to claim 1, characterized in that: The preparation method of the water tank sealing ring is as follows: Step 1: Weigh the following materials for standby according to parts by weight. The materials include 110 - 120 parts by weight of ethylene propylene diene monomer rubber, 25 - 35 parts by weight of polyvinyl chloride resin, 7 - 11 parts of modified saline-alkali soil, 6 - 8 parts of aluminum sulfate, 3 - 5 parts of cetyl dimethyl benzyl ammonium chloride, 12 - 18 parts by weight of sodium dodecylbenzenesulfonate, 7 - 11 parts of surfactant, 6 - 10 parts of calcium sulfate, 4 - 8 parts of plasticizer, 2 - 6 parts of antioxidant, 3 - 5 parts of nano-antimony trioxide, 1 - 5 parts of nano-magnesium oxide, 1 - 5 parts of nano-titanium dioxide, and 2 - 8 parts of nano-silicon carbide; among them, the preparation method of the modified saline-alkali soil is: dry 30 parts of saline-alkali soil and crush it into fine powder of 200 meshes, then soak the fine powder in 45 parts of dodecyl betaine, transfer it to a reaction kettle after soaking for 24 h, add 8 parts of cinnamene, 9 parts of citric acid and 12 parts of tween, react at 100 °C for 1.5 h under the pressure of 0.6 MPa, and then dry it to obtain. Step 2: Send the raw materials weighed in Step S1 into a roasting machine in batches. The roasting time is controlled at 5 - 15 min according to the humidity of different components. Roast until completely dry, then place it in a high-speed grinder for sufficient grinding, filter through a 2000 - 4000 mesh sieve and stir evenly to obtain a mixture A. Step 3: Slowly pour the mixture obtained in Step S2 into an SHL-35 type twin-screw extruder for extrusion granulation. The extrusion temperature is set at 200 °C, and the main machine speed is 60 r / min. Step 4: Stir the mixture A particles extruded in Step S3 at a speed of 1000 - 1200 r / min for 10 - 16 min, and then melt and blend at 170 - 180 °C for 30 - 40 min to obtain a mixture B. Step 5: Transfer the mixture B obtained in step S4 to an internal mixer for internal mixing treatment, control the discharge temperature ≤ 100 °C, and obtain a rubber compound after uniform internal mixing; Step 6: Subject the rubber compound obtained in step S5 to die pressing and vulcanization molding treatments to obtain a semi-finished sealing ring; Step 7: Trim the burrs of the obtained semi-finished product to obtain a finished oil-resistant and acid-alkali-resistant sealing ring; Step 8: Obtain a water tank sealing ring through finished product inspection, and paste and fix an edge fixing ring on the outer side of the water tank sealing ring Step 9: Weld a protective arc-shaped outer plate on the edge fixing ring.

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