High-sealing double-shaft valve

By introducing an annular mounting base and protective cover design into the biaxial valve, combined with sealing rings and rubber rings, the problems of poor sealing and corrosion are solved, resulting in better sealing performance and extended service life.

CN224120674UActive Publication Date: 2026-04-14JIANGSU FURUILONG PIPE IND TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGSU FURUILONG PIPE IND TECH CO LTD
Filing Date
2025-06-18
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

Existing biaxial valves have poor sealing performance, are prone to leakage, and the valve body is exposed to air, leading to corrosion and affecting service life.

Method used

The design incorporates a ring-shaped mounting base and a protective cover, along with the use of sealing rings and rubber rings, to enhance the sealing performance between the valve plate and the valve body. The protective cover is detachably connected to the valve body to protect it from corrosion.

Benefits of technology

It improves the sealing effect of the dual-shaft valve, prevents leakage, extends service life, and protects the valve body from corrosion.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of double-shaft valves, and discloses a high-sealing double-shaft valve which comprises a valve body and a valve plate, the valve body comprises an annular mounting seat and a protective cover, the annular mounting seat is arranged at the top of the valve body, the protective cover is arranged at the top of the annular mounting seat, and the valve plate comprises a mounting groove, a sealing ring and a sealing cylinder. The two mounting grooves are symmetrically formed in the two ends of the outer side of the valve plate. According to the double-shaft valve, the sealing ring can be tightly installed on the outer side of the valve plate through the installation groove, the valve plate can make close contact with the inner wall of the valve body through the sealing ring, the valve rod and the sealing plate can be sealed through the rubber ring, the sealing effect in the double-shaft valve is better, liquid leakage of the valve body is prevented, and the service life of the double-shaft valve is prolonged. And the protective cover and the top of the valve body can be disassembled and assembled through the annular mounting seat, so that the manual adjusting mechanism of the valve body can be protected, the sealing cylinder, the valve rod and the valve wheel are prevented from being exposed in the air, and the service life of the double-shaft valve is prolonged.
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Description

Technical Field

[0001] This utility model relates to the field of biaxial valve technology, specifically a high-sealing biaxial valve. Background Technology

[0002] A dual-axis valve is a special type of industrial valve. Dual-axis valves can be used in different fields due to the symmetrical arrangement of different valve stems. The dual-axis design can solve the sealing, wear, or jamming problems of traditional single-axis valves.

[0003] Currently, most bi-rotor valves suffer from poor sealing between the shaft and valve body, making them prone to leakage under prolonged use or unstable water pressure. This results in poor performance of the bi-rotor valve, and the valve wheel being exposed to air is susceptible to corrosion, leading to poor protection of the bi-rotor valve and affecting its service life. Summary of the Invention

[0004] The purpose of this invention is to provide a high-sealing biaxial valve to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a high-sealing biaxial valve, comprising a valve body and a valve plate, wherein the valve body includes an annular mounting seat and a protective cover, the annular mounting seat is disposed on the top of the valve body, the protective cover is disposed on the top of the annular mounting seat, the valve plate includes a mounting groove, a sealing ring and a sealing cylinder, two sets of the mounting grooves are symmetrically opened at both ends of the outer side of the valve plate, the sealing ring is disposed inside the mounting groove, and the sealing cylinder is disposed on the top of the valve body.

[0006] Preferably, both ends of the valve body are provided with flow pipes, and the ends of the two sets of flow pipes away from the valve body are provided with connecting flanges. Multiple sets of installation through holes are opened inside the two sets of connecting flanges. A sealing plate is provided inside the sealing cylinder, and a rubber ring is provided inside the sealing plate.

[0007] Preferably, a valve stem is provided at the middle position inside the valve plate, a sealing cover is provided at the top of the sealing cylinder, a valve wheel is provided at the top of the valve stem, and a valve motor connected to the bottom of the valve body is provided at the bottom of the valve body.

[0008] Preferably, the annular mounting seat is welded to the outer side of the valve body, the top of the outer side of the annular mounting seat is provided with an external thread, and the bottom of the inner side of the protective cover is provided with an internal thread that matches the annular mounting seat.

[0009] Preferably, the protective cover is detachably connected to the valve body via an annular mounting seat, and the sealing ring is detachably connected to the valve plate via a mounting groove.

[0010] Preferably, the valve body has a sealing groove inside, the valve plate is movably connected to the valve body through the sealing groove, and the sealing cylinder is welded to the outside of the valve body.

[0011] Preferably, the valve body has flow holes at the positions of the two sets of flow pipes on its outer side, and the connecting flange is connected to the valve body through the flow pipes.

[0012] Preferably, the sealing plate is welded to the inner wall of the sealing cylinder, and the sealing plate has an installation hole inside, through which the rubber ring is detachably connected to the sealing plate.

[0013] Preferably, the rubber ring has a sealing hole inside, and the top end of the valve stem extends into the sealing hole, and the valve stem is welded to the valve plate.

[0014] Preferably, the bottom end of the sealing cover is provided with a sealing gasket, the sealing cover is connected to the sealing cylinder by bolt installation, and the valve wheel is connected to the top end of the valve stem by bolt installation.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] This invention allows the sealing ring to be tightly installed on the outside of the valve plate via the mounting groove. The sealing ring ensures close contact between the valve plate and the inner wall of the valve body. Additionally, the rubber ring seals the valve stem and the sealing plate, resulting in a better internal sealing effect for the biaxial valve and preventing leakage. The annular mounting seat allows for the removal and installation of the protective cover from the top of the valve body, thus protecting the manual adjustment mechanism of the valve body and preventing the sealing cylinder, valve stem, and valve wheel from being exposed to the air, thereby improving the service life of the biaxial valve. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. In all drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0018] Figure 1 This is a schematic diagram of the structure of this utility model.

[0019] Figure 2 This is a schematic diagram of the internal structure of this utility model.

[0020] Figure 3 This is an enlarged view of utility model A.

[0021] In the diagram: 1. Valve body; 101. Annular mounting seat; 102. Protective cover; 103. Flow pipe; 104. Connecting flange; 105. Mounting through hole; 2. Valve plate; 201. Mounting groove; 202. Sealing ring; 203. Sealing cylinder; 204. Sealing plate; 205. Rubber ring; 3. Valve stem; 301. Sealing cover; 302. Valve wheel; 303. Valve motor. Detailed Implementation

[0022] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0023] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0024] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figure 1-3This utility model provides an embodiment of a high-sealing biaxial valve: A high-sealing biaxial valve includes a valve body 1 and a valve plate 2. The valve body 1 includes an annular mounting seat 101 and a protective cover 102. The annular mounting seat 101 is located on the top of the valve body 1, and the protective cover 102 is located on the top of the annular mounting seat 101. The protective cover 102 can be disassembled and assembled from the valve body 1 through the annular mounting seat 101, which facilitates the protection of the manual adjustment mechanism and prevents it from being exposed to the air. The valve plate 2 includes a mounting groove 201, a sealing ring 202, and a sealing cylinder 203. Two sets of mounting grooves 201 are symmetrically opened at both ends of the outer side of the valve plate 2, and the sealing ring 202 is located in the mounting groove 201. Inside, the sealing ring 202 can be installed on the outside of the valve plate 2 through the mounting groove 201, which improves the sealing performance inside the biaxial valve. The sealing cylinder 203 is located on the top of the valve body 1. Both ends of the valve body 1 are provided with flow pipes 103. The ends of the two sets of flow pipes 103 away from the valve body 1 are provided with connecting flanges 104, which facilitates the installation and use of the biaxial valve and allows for control of the network pipe. Multiple sets of installation through holes 105 are opened inside the two sets of connecting flanges 104, which facilitates the installation and use of the biaxial valve. The sealing cylinder 203 is provided with a sealing plate 204 inside, and a rubber ring 205 is provided inside the sealing plate 204, which improves the sealing effect of the sealing cylinder 203.

[0027] Please refer to this carefully. Figure 2 and Figure 3 A valve stem 3 is located in the middle of the valve plate 2. The valve plate 2 can be rotated and adjusted by the valve stem 3. A sealing cover 301 is provided on the top of the sealing cylinder 203 to seal the top of the sealing cylinder 203. A valve wheel 302 is provided at the top of the valve stem 3, which can be manually adjusted. A valve motor 303 is provided at the bottom of the valve body 1 and connected to the bottom of the valve stem 3, which can remotely and electrically control the valve stem 2 for adjustment.

[0028] Please refer to this carefully. Figure 1 and Figure 2 The annular mounting seat 101 is welded to the outer side of the valve body 1. The top of the outer side of the annular mounting seat 101 is provided with an external thread. The bottom of the inner side of the protective cover 102 is provided with an internal thread that matches the annular mounting seat 101. A sealing gasket is embedded in the bottom of the protective cover 102 to improve the sealing between the protective cover 102 and the annular mounting seat 101. The protective cover 102 is detachably connected to the valve body 1 through the annular mounting seat 101, allowing for disassembly and assembly between the protective cover 102 and the valve body 1. The sealing ring 202 is detachably connected to the valve plate 2 through the mounting groove 201, allowing for disassembly and replacement of the sealing ring 202. The valve body 1 has a sealing groove inside, and the valve plate 2 is movably connected to the valve body 1 through the sealing groove, facilitating adjustment of the valve plate 2. The sealing cylinder 203 is welded to the outer side of the valve body 1, providing better sealing inside the dual-axis valve.

[0029] Please refer to this carefully. Figure 2 and Figure 3 The valve body 1 has flow holes at the locations of the two sets of flow pipes 103 on its outer side, allowing flow through the valve body 1 and controlling its operation. A connecting flange 104 connects to the valve body 1 via the flow pipes 103, facilitating the installation and use of the dual-shaft valve. The sealing plate 204 is welded to the inner wall of the sealing cylinder 203. The sealing plate 204 has mounting holes inside, and a rubber ring 205 is detachably connected to the sealing plate 204 through these mounting holes, allowing the rubber ring 205 to be installed inside the sealing plate 204. The valve stem 3 has a sealing hole inside, and the top of the valve stem 3 extends into the sealing hole. The valve stem 3 is welded to the valve plate 2. The rubber ring 205 can improve the sealing between the valve stem 3 and the sealing plate 204. The bottom of the sealing cover 301 has a sealing gasket. The sealing cover 301 is connected to the sealing cylinder 203 by bolts, so that the sealing cover 301 is installed on the top of the sealing cylinder 203. The valve wheel 302 is connected to the top of the valve stem 3 by bolts. The valve stem 3 can be manually adjusted by the valve wheel 302.

[0030] Working Principle: In use, the sealing ring 202 can be tightly installed on the outside of the valve plate 2 through the mounting groove 201. The sealing ring 202 allows the valve plate 2 to be in close contact with the inner wall of the valve body 1. The rubber ring 205 can seal the valve stem 3 and the sealing plate 204. The sealing cover 301 is installed on the top of the sealing cylinder 203 by bolts, which improves the sealing effect of the valve body 1 and the internal sealing effect of the dual-axis valve, preventing leakage of the valve body. The external thread on the outside of the annular mounting seat 101 and the internal thread on the inside of the protective cover 102 can be disassembled and assembled between the protective cover 102 and the top of the valve body 1, thereby protecting the manual adjustment mechanism of the valve body and preventing the sealing cylinder 203, valve stem 3 and valve wheel 302 from being exposed to the air, thus improving the service life of the dual-axis valve. The valve wheel 302 drives the valve stem 3 to adjust the valve plate 2. The valve motor 303 can remotely control the rotation of the valve plate 2, which improves the adjustment effect of the dual-axis valve.

[0031] The above description is merely an embodiment of this utility model, and common knowledge regarding specific structures and characteristics is not described in detail here. It will be apparent to those skilled in the art that this utility model is not limited to the details of the above exemplary embodiments, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of this utility model is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A high-sealing biaxial valve, characterized in that: include The valve body (1) includes an annular mounting seat (101) and a protective cover (102). The annular mounting seat (101) is located on the top of the valve body (1), and the protective cover (102) is located on the top of the annular mounting seat (101). The valve plate (2) includes a mounting groove (201), a sealing ring (202) and a sealing cylinder (203). Two sets of mounting grooves (201) are symmetrically opened at both ends of the outer side of the valve plate (2). The sealing ring (202) is located inside the mounting groove (201), and the sealing cylinder (203) is located at the top of the valve body (1).

2. The high-sealing biaxial valve according to claim 1, characterized in that: Both ends of the valve body (1) are provided with flow pipes (103), and the ends of the two sets of flow pipes (103) away from the valve body (1) are provided with connecting flanges (104). Multiple sets of installation through holes (105) are opened inside the two sets of connecting flanges (104). The sealing cylinder (203) is provided with a sealing plate (204) inside, and a rubber ring (205) is provided inside the sealing plate (204).

3. A high-sealing biaxial valve according to claim 2, characterized in that: A valve stem (3) is provided in the middle position inside the valve plate (2), a sealing cover (301) is provided on the top of the sealing cylinder (203), a valve wheel (302) is provided at the top of the valve stem (3), and a valve motor (303) connected to the bottom end of the valve stem (3) is provided at the bottom of the valve body (1).

4. A high-sealing biaxial valve according to claim 1, characterized in that: The annular mounting seat (101) is welded to the outer side of the valve body (1). The top of the outer side of the annular mounting seat (101) is provided with an external thread, and the bottom of the inner side of the protective cover (102) is provided with an internal thread that matches the annular mounting seat (101).

5. A high-sealing biaxial valve according to claim 1, characterized in that: The protective cover (102) is detachably connected to the valve body (1) via an annular mounting seat (101), and the sealing ring (202) is detachably connected to the valve plate (2) via a mounting groove (201).

6. A high-sealing biaxial valve according to claim 1, characterized in that: The valve body (1) has a sealing groove inside, the valve plate (2) is movably connected to the valve body (1) through the sealing groove, and the sealing cylinder (203) is welded to the outside of the valve body (1).

7. A high-sealing biaxial valve according to claim 2, characterized in that: The valve body (1) has flow holes on the outside of the two sets of flow pipes (103), and the connecting flange (104) is connected to the valve body (1) through the flow pipes (103).

8. A high-sealing biaxial valve according to claim 2, characterized in that: The sealing plate (204) is welded to the inner wall of the sealing cylinder (203). The sealing plate (204) has an installation hole inside. The rubber ring (205) is detachably connected to the sealing plate (204) through the installation hole.

9. A high-sealing biaxial valve according to claim 3, characterized in that: The rubber ring (205) has a sealing hole inside, and the top of the valve stem (3) extends into the sealing hole. The valve stem (3) is welded to the valve plate (2).

10. A high-sealing biaxial valve according to claim 3, characterized in that: The bottom end of the sealing cover (301) is provided with a sealing gasket. The sealing cover (301) is connected to the sealing cylinder (203) by bolt installation. The valve wheel (302) is connected to the top end of the valve stem (3) by bolt installation.