Valve with double sealing performance

Abstract

The valve comprises a connecting plate, a valve body is fixedly installed at the bottom of the connecting plate, connecting pipes are arranged on the two sides of the outer surface of the valve body, a connecting block is fixedly installed at the left end of each connecting pipe, an adjusting box is fixedly installed at the top of each connecting block, and a valve rod is fixedly installed on the adjusting box. A rotating rod is arranged at the left end of the adjusting box, a threaded rod is fixedly installed at the right end of the rotating rod, and a threaded sleeve is installed on the front surface of the threaded rod in a threaded mode. Through the arrangement of the rotating rod, the effect of rotating the screw rod is achieved, through the arrangement of the screw rod, the effect of moving the threaded sleeve left and right is achieved, through the arrangement of the threaded sleeve, the fixing support can be driven to move left and right through the polished rod and the sliding ring, and through the arrangement of the fixing support, the machining efficiency is improved. And the effect of sealing the opening through the sealing plate is achieved, and the effect of absorbing moisture in the valve body is achieved through the arrangement of the moisture absorption plate.

Description

Technical Field

[0001] The utility model relates to the technical field of valves, in particular to a valve with double sealing properties. Background Art

[0002] Valves are pipeline accessories used to open and close pipelines, control flow direction, and adjust and control the parameters (temperature, pressure, and flow) of the conveying medium. According to their functions, they can be divided into shut-off valves, check valves, regulating valves, etc. Valves are control components in fluid conveying systems, and have functions such as shut-off, regulation, diversion, prevention of backflow, pressure stabilization, diversion, or overflow pressure relief. Valves used in fluid control systems have a wide variety of varieties and specifications, from the simplest shut-off valves to various valves used in extremely complex automatic control systems. However, existing valves do not have the check function, and the medium will flow back. During the long-term use of valves, the control ports of some valves are easily corroded by moisture, so they will be damaged, resulting in a poor sealing effect, which brings inconvenience to users. Utility Model Content

[0003] The purpose of the utility model is to provide a valve with double sealing, which has the advantages of preventing backflow and corrosion resistance, and solves the problem that the existing valves do not have the check function, which will cause the medium to flow back. During the long-term use of the valve, the control ports of some valves are easily corroded by moisture, so they will be damaged, resulting in the phenomenon of poor sealing effect, which brings inconvenience to the user.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a valve with double sealing properties, comprising a connecting plate, a valve body is fixedly installed on the bottom of the connecting plate, connecting pipes are arranged on both sides of the outer surface of the valve body, a connecting block is fixedly installed on the left end of the connecting pipe, an adjusting box is fixedly installed on the top of the connecting block, a rotating rod is arranged on the left end of the adjusting box, a screw is fixedly installed on the right end of the rotating rod, a threaded sleeve is threadedly installed on the front surface of the screw, a fixed bracket is fixedly installed on the bottom of the threaded sleeve, a sealing plate is fixedly installed on the left end of the fixed bracket through the bracket, the valve body comprises a chlorosulfonated polyethylene coating layer, the outer surface of the chlorosulfonated polyethylene coating layer is coated with an aluminum tripolyphosphate coating layer, the outer surface of the aluminum tripolyphosphate coating layer is coated with a polyurea coating layer, the outer surface of the polyurea coating layer is coated with a fluorocarbon coating layer, and moisture absorbing plates are fixedly installed on both sides of the inner cavity of the valve body through brackets.

[0005] Preferably, a connecting valve is fixedly installed on the top of the connecting plate, and a regulating valve stem is provided on the top of the connecting valve.

[0006] Preferably, a slide rail is fixedly installed on the top of the inner cavity of the adjustment box, and the inner cavity of the slide rail is fixedly installed on the top of the threaded sleeve through a slide rod.

[0007] Preferably, a polished rod is fixedly mounted at the lower end of the inner cavity of the connection block, a slip ring is slidably mounted on the front surface of the polished rod, and the top of the slip ring is fixedly mounted on the bottom of the fixed bracket.

[0008] Preferably, a bearing is fixedly mounted on the right end of the inner cavity of the regulating box, and the right end of the screw rod is movably mounted in the inner cavity of the bearing.

[0009] Preferably, mounting holes are provided around the top of the connecting plate, and mounting bolts are fixedly installed around the front surface of the connecting block.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] 1. The utility model achieves the effect of rotating the screw by setting the rotating rod, achieves the effect of moving the threaded sleeve left and right by setting the screw, can drive the fixed bracket to move left and right through the smooth rod and the slip ring by setting the fixed bracket, achieves the effect of sealing the opening by the sealing plate by setting the moisture absorbing plate, achieves the effect of absorbing moisture inside the valve body by setting the chlorosulfonated polyethylene coating layer, the aluminum tripolyphosphate coating layer, the polyurea coating layer and the fluorocarbon coating layer, solves the problem that the existing valve does not have the check function and the medium backflow phenomenon occurs, and during the long-term use of the valve, the control ports of some valves are easily corroded by moisture, so they will be damaged, resulting in the phenomenon of poor sealing effect, which brings inconvenience to the user.

[0012] 2. The utility model achieves the effect of limiting the fixed bracket through the setting of the smooth rod and the slip ring. The setting of the bearing can reduce the wear of the screw and increase the service life of the screw. The setting of the connecting valve and the regulating valve stem makes it convenient for the user to adjust the flow of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 This is a cross-sectional view of the connecting block structure of the utility model;

[0015] Figure 3 This is a cross-sectional view of the valve body structure of the utility model;

[0016] Figure 4 This is a schematic diagram of the valve body structure of the utility model.

[0017] In the figure: 1. connecting plate; 2. connecting valve; 3. regulating valve stem; 4. regulating box; 5. rotating rod; 6. connecting block; 7. connecting pipe; 8. valve body; 801. chlorosulfonated polyethylene coating layer; 802. aluminum tripolyphosphate coating layer; 803. polyurea coating layer; 804. fluorocarbon coating layer; 9. sealing plate; 10. bare rod; 11. slip ring; 12. fixed bracket; 13. screw; 14. threaded sleeve; 15. moisture absorption plate. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-4A double-sealing valve comprises a connecting plate 1, a valve body 8 is fixedly installed at the bottom of the connecting plate 1, connecting pipes 7 are arranged on both sides of the outer surface of the valve body 8, a connecting block 6 is fixedly installed at the left end of the connecting pipe 7, an adjusting box 4 is fixedly installed on the top of the connecting block 6, a rotating rod 5 is arranged at the left end of the adjusting box 4, a screw 13 is fixedly installed at the right end of the rotating rod 5, a threaded sleeve 14 is threadedly installed on the front surface of the screw 13, a fixing bracket 12 is fixedly installed at the bottom of the threaded sleeve 14, and the left end of the fixing bracket 12 is fixedly installed. The end of the valve body 8 is fixedly installed with a sealing plate 9 through a bracket, the valve body 8 includes a chlorosulfonated polyethylene coating layer 801, the outer surface of the chlorosulfonated polyethylene coating layer 801 is coated with an aluminum tripolyphosphate coating layer 802, the outer surface of the aluminum tripolyphosphate coating layer 802 is coated with a polyurea coating layer 803, and the outer surface of the polyurea coating layer 803 is coated with a fluorocarbon coating layer 804. The two sides of the inner cavity of the valve body 8 are fixedly installed with moisture absorbing plates 15 through brackets. When the user rotates the rotating rod 5 to drive the screw 13 to rotate, the screw 13 rotates The rotation drives the threaded sleeve 14 to move left and right through the slide rail and the slide rod. The left and right movement of the threaded sleeve 14 drives the fixed bracket 12 to move left and right through the slip ring 11 and the light rod 10. The left and right movement of the fixed bracket 12 drives the sealing plate 9 to move left and right. The sealing plate 9 moves left and right to seal the opening and plays a check function. The moisture absorption plate 15 can prevent moisture from corroding the control end of the connecting plate 1. Through the setting of the chlorosulfonated polyethylene coating layer 801, it has the advantages of good ozone resistance, chemical corrosion resistance, oil resistance, heat resistance, light resistance and wear resistance. Through the setting of the aluminum tripolyphosphate coating layer 802, it has wide applicability, is difficult to dissolve in water, is non-toxic and has good thermal stability. It also has the effects of rust prevention, corrosion prevention and flame retardancy. Through the setting of the polyurea coating layer 803, it has the advantages of strong adhesion, friction resistance, strong hardness, good thermal stability, aging resistance and corrosion resistance. Through the setting of the fluorocarbon coating layer 804, it has weather resistance, heat resistance, low temperature resistance, chemical resistance, and unique non-stick and low friction advantages.

[0020] A connecting valve 2 is fixedly installed on the top of the connecting plate 1, and an adjusting valve stem 3 is arranged on the top of the connecting valve 2. Through the arrangement of the connecting valve 2 and the adjusting valve stem 3, it is convenient for the user to adjust the flow of the device.

[0021] A slide rail is fixedly installed on the top of the inner cavity of the adjustment box 4, and the inner cavity of the slide rail is fixedly installed on the top of the threaded sleeve 14 through a slide rod.

[0022] A polished rod 10 is fixedly installed at the lower end of the inner cavity of the connecting block 6, a slip ring 11 is slidably installed on the front surface of the polished rod 10, and the top of the slip ring 11 is fixedly installed on the bottom of the fixed bracket 12. Through the arrangement of the polished rod 10 and the slip ring 11, the effect of limiting the fixed bracket 12 is achieved.

[0023] A bearing is fixedly installed at the right end of the inner cavity of the adjustment box 4, and the right end of the screw 13 is movably installed in the inner cavity of the bearing. The setting of the bearing can reduce the wear of the screw 13 and increase the service life of the screw 13.

[0024] Mounting holes are provided around the top of the connecting plate 1 , and mounting bolts are fixedly installed around the front surface of the connecting block 6 .

[0025] When in use, the user rotates the rotating rod 5 to drive the screw 13 to rotate, and the rotation of the screw 13 drives the threaded sleeve 14 to move left and right through the slide rail and the slide rod. The left and right movement of the threaded sleeve 14 drives the fixed bracket 12 to move left and right through the slip ring 11 and the light rod 10. The left and right movement of the fixed bracket 12 drives the sealing plate 9 to move left and right. The sealing plate 9 moves left and right to seal the opening and plays a check function. The moisture absorption plate 15 can prevent moisture from corroding the control end of the connecting plate 1. The chlorosulfonated polyethylene coating layer 801 is provided, which has the effect of resisting It has the advantages of good ozone resistance, chemical corrosion resistance, oil resistance, heat resistance, light resistance and wear resistance. Through the setting of the aluminum tripolyphosphate coating layer 802, it has wide applicability, is insoluble in water, non-toxic and has good thermal stability. It also has anti-rust, anti-corrosion and flame retardant effects. Through the setting of the polyurea coating layer 803, it has the advantages of strong adhesion, friction resistance, strong hardness, good thermal stability, aging resistance and corrosion resistance. Through the setting of the fluorocarbon coating layer 804, it has weather resistance, heat resistance, low temperature resistance, chemical resistance, and has the unique advantages of non-stickiness and low friction.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A valve with double sealing properties, comprising a connecting plate (1), characterized in that: A valve body (8) is fixedly mounted on the bottom of the connecting plate (1), connecting pipes (7) are arranged on both sides of the outer surface of the valve body (8), a connecting block (6) is fixedly mounted on the left end of the connecting pipe (7), an adjusting box (4) is fixedly mounted on the top of the connecting block (6), a rotating rod (5) is arranged on the left end of the adjusting box (4), a screw rod (13) is fixedly mounted on the right end of the rotating rod (5), a threaded sleeve (14) is threadedly mounted on the front surface of the screw rod (13), and a fixing bracket (12) is fixedly mounted on the bottom of the threaded sleeve (14) The left end of the fixed bracket (12) is fixedly mounted with a sealing plate (9) through the bracket, the valve body (8) comprises a chlorosulfonated polyethylene coating layer (801), the outer surface of the chlorosulfonated polyethylene coating layer (801) is coated with an aluminum tripolyphosphate coating layer (802), the outer surface of the aluminum tripolyphosphate coating layer (802) is coated with a polyurea coating layer (803), the outer surface of the polyurea coating layer (803) is coated with a fluorocarbon coating layer (804), and moisture absorbing plates (15) are fixedly mounted on both sides of the inner cavity of the valve body (8) through the bracket.

2. A double-sealing valve according to claim 1, characterized in that: A connecting valve (2) is fixedly mounted on the top of the connecting plate (1), and a regulating valve stem (3) is arranged on the top of the connecting valve (2).

3. A double-sealing valve according to claim 1, characterized in that: A slide rail is fixedly installed on the top of the inner cavity of the adjustment box (4), and the inner cavity of the slide rail is fixedly installed on the top of the threaded sleeve (14) through a slide rod.

4. A double-sealing valve according to claim 1, characterized in that: A polished rod (10) is fixedly mounted at the lower end of the inner cavity of the connecting block (6), a slip ring (11) is slidably mounted on the front surface of the polished rod (10), and the top of the slip ring (11) is fixedly mounted on the bottom of the fixed bracket (12).

5. The double-sealing valve according to claim 1, characterized in that: A bearing is fixedly mounted on the right end of the inner cavity of the regulating box (4), and the right end of the screw rod (13) is movably mounted in the inner cavity of the bearing.

6. The double-sealed valve according to claim 1, characterized in that: The top of the connection plate (1) is provided with mounting holes on all four sides, and the front surface of the connection block (6) is fixedly mounted with mounting bolts on all four sides.

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