A valve with good sealing performance

Abstract

The present invention discloses a valve with good sealing performance, comprising a valve pipeline, a sealing buckle ring, a rubber sealing ring, a pipeline connection installation hole, a first sealing cover plate, a second sealing cover plate, a sealing plate limiting plate and an action unit; sealing buckle rings are fixedly connected to the openings at both ends of the valve pipeline; a plurality of pipeline connection installation holes are evenly distributed on the sealing buckle ring; a rubber sealing ring is fixedly connected to the sealing buckle ring; a first sealing cover plate and a second sealing cover plate are fixedly connected to the inner wall of the valve pipeline at intervals; the function of double-layer high-efficiency sealing after long-term use is achieved, the problem of poor sealing of traditional valves after long-term use is solved, and the sealing performance of the valves for long-term use is improved; the problem that the surface of traditional rotary valves is easily contaminated with objects, resulting in poor sealing of switches, is solved, and the sealing service time of the valve is improved; the problem that traditional valves are not very convenient to install is solved, and the convenience of installing valves is improved.

Description

Technical Field

[0001] The present application relates to a valve, in particular to a valve with good sealing performance. 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, with 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. Valves can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive media. Valves are also divided into cast iron valves, cast steel valves, stainless steel valves (201, 304, 316, etc.), chrome-molybdenum steel valves, chrome-molybdenum-vanadium steel valves, duplex steel valves, plastic valves, non-standard customized valves, etc. according to their materials.

[0003] Traditional valves will have sealing problems after long-term wear and tear, resulting in reduced control of objects in the pipeline; at the same time, traditional valves can cause some small objects to easily get stuck in the moving parts inside the valve, making it difficult to open the valve after it is sealed, and difficult to seal it again after it is opened; therefore, a valve with good sealing performance is proposed to address the above problems. Summary of the invention

[0004] A valve with good sealing performance comprises a valve pipeline, a sealing buckle ring, a rubber sealing ring, a pipeline connection installation hole, a first sealing cover plate, a second sealing cover plate, a sealing plate limiting plate and an action unit; the two end openings of the valve pipeline are fixedly connected with sealing buckle rings; a plurality of pipeline connection installation holes are evenly distributed on the sealing buckle ring; the sealing buckle ring is fixedly connected with a rubber sealing ring; the first sealing cover plate and the second sealing cover plate are fixedly connected to the inner wall of the valve pipeline at intervals; two sealing plate limiting plates are fixedly connected to the inner wall of the valve pipeline corresponding to the first sealing cover plate and the second sealing cover plate;

[0005] The action unit includes a rotating handle, a sealed rotating shaft, a sealed shaft seal, a rotating shaft limiting ring, a first limiting member, a first bearing, an active bevel gear, a second bevel gear, a first bevel gear, a driven bevel gear, a second limiting member, a second bearing, a first sealing plate, a second sealing plate, a third bearing, a fourth bearing, a fourth limiting member and a driven transmission shaft; a sealing shaft seal is fixedly connected to a hole on the side wall of the valve pipeline; a sealed rotating shaft is sealedly connected to the sealing shaft seal; the upper end of the sealed rotating shaft is threadedly connected to the rotating handle, and the lower end is fixedly connected to the active bevel gear, and the active bevel gear is meshedly connected to The second bevel gear and the first bevel gear; the second bevel gear and the first bevel gear are fixedly connected to the second sealing plate and the first sealing plate respectively; the second sealing plate and the first sealing plate are respectively rotatably engaged and connected in the second sealing cover plate and the first sealing cover plate through the third bearing; the second bevel gear and the first bevel gear are also meshedly connected with a driven bevel gear; the driven bevel gear is fixedly connected to the driven transmission shaft; the second bearing and the fourth bearing are sleeved on the driven transmission shaft; the second bearing is sleeved on the second limiting member; the second limiting member is fixedly connected between the first sealing cover plate and the second sealing cover plate.

[0006] Furthermore, the opening and fixing directions of the first sealing cover plate and the second sealing cover plate are opposite.

[0007] Furthermore, the first sealing plate, the second sealing plate, the first sealing cover plate and the second sealing cover plate are all made of stainless steel.

[0008] Furthermore, a rotating shaft limiting ring is sleeved on the sealing rotating shaft; the rotating shaft limiting ring is tangent to the inner wall of the valve pipeline.

[0009] Furthermore, the fourth bearing is fixedly connected to the fourth limiting member.

[0010] Furthermore, the fourth limiting member is fixedly connected to the inner wall of the valve pipeline.

[0011] Furthermore, a first bearing is sleeved on the sealed rotating shaft; and the first bearing is fixedly connected to the first limiting member.

[0012] Furthermore, the first limiting member is fixedly connected between the first sealing cover plate and the second sealing cover plate.

[0013] Furthermore, the areas of the first sealing cover plate and the second sealing cover plate are larger than half the area of ​​the inner wall of the valve pipeline.

[0014] Furthermore, the side surfaces of the first sealing plate, the second sealing plate, the first sealing cover plate and the second sealing cover plate are in the same shape.

[0015] The beneficial effects of the present application are as follows: the present application provides a valve with good sealing performance which has long sealing time, long service life and is easy to install. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 This is a schematic diagram of the external structure of an embodiment of the present application;

[0018] Figure 2 This is a schematic diagram of a front cross-sectional structure of an embodiment of the present application;

[0019] Figure 3 This is a side structural schematic diagram of an embodiment of the present application;

[0020] Figure 4 It is a schematic diagram of a side cross-sectional structure of an embodiment of the present application.

[0021] In the figure: 1, valve pipeline, 2, sealing buckle ring, 3, rubber sealing ring, 4, pipeline connection installation hole, 5, rotating handle, 6, sealing rotating shaft, 7, sealing shaft seal, 8, rotating shaft limiting ring, 9, first limiting member, 10, first bearing, 11, driving bevel gear, 12, second bevel gear, 13, first bevel gear, 14, driven bevel gear, 15, second limiting member, 16, second bearing, 17, first sealing plate, 18, second sealing plate, 19, third bearing, 20, first sealing cover plate, 21, second sealing cover plate, 22, sealing plate limiting plate, 23, fourth bearing, 24, fourth limiting member, 25, driven transmission shaft. DETAILED DESCRIPTION

[0022] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0023] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0024] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0025] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0026] In addition, the terms "installed", "set", "provided with", "connected", "connected", and "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0027] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0028] See also Figure 1-4As shown, a valve with good sealing performance comprises a valve pipeline 1, a sealing buckle ring 2, a rubber sealing ring 3, a pipeline connection installation hole 4, a first sealing cover plate 20, a second sealing cover plate 21, a sealing plate limiting plate 22 and an action unit; the two end openings of the valve pipeline 1 are fixedly connected with sealing buckle rings 2; a plurality of pipeline connection installation holes 4 are evenly distributed on the sealing buckle ring 2; the sealing buckle ring 2 is fixedly connected with a rubber sealing ring 3; the inner wall of the valve pipeline 1 is fixedly connected with a first sealing cover plate 20 and a second sealing cover plate 21 at intervals; the inner wall of the valve pipeline 1 is fixedly connected with two sealing plate limiting plates 22 corresponding to the first sealing cover plate 20 and the second sealing cover plate 21;

[0029] The action unit includes a rotating handle 5, a sealed rotating shaft 6, a sealed shaft seal 7, a rotating shaft limiting ring 8, a first limiting member 9, a first bearing 10, an active bevel gear 11, a second bevel gear 12, a first bevel gear 13, a driven bevel gear 14, a second limiting member 15, a second bearing 16, a first sealing plate 17, a second sealing plate 18, a third bearing 19, a fourth bearing 23, a fourth limiting member 24 and a driven transmission shaft 25; a sealing shaft seal 7 is fixedly connected to a hole on the side wall of the valve pipeline 1; a sealed rotating shaft 6 is sealedly connected to the sealing shaft seal 7; the upper end of the sealed rotating shaft 6 is threadedly connected to the rotating handle 5, and the lower end is fixedly connected to the active bevel gear 11, and the active bevel gear 11 is meshedly connected to the second bevel gear Wheel 12 and the first bevel gear 13; the second bevel gear 12 and the first bevel gear 13 are respectively fixed to the second sealing plate 18 and the first sealing plate 17; the second sealing plate 18 and the first sealing plate 17 are respectively rotatably engaged and connected in the second sealing cover plate 21 and the first sealing cover plate 20 through the third bearing 19; the second bevel gear 12 and the first bevel gear 13 are also meshedly connected with the driven bevel gear 14; the driven bevel gear 14 is fixedly connected with a driven transmission shaft 25; the driven transmission shaft 25 is sleeved with a second bearing 16 and a fourth bearing 23; the second bearing 16 is sleeved on the second limiting member 15; the second limiting member 15 is fixed between the first sealing cover plate 20 and the second sealing cover plate 21.

[0030] The opening and fixing directions of the first sealing cover plate 20 and the second sealing cover plate 21 are opposite; the first sealing plate 17, the second sealing plate 18, the first sealing cover plate 20 and the second sealing cover plate 21 are all made of stainless steel; a rotating shaft limiting ring 8 is sleeved on the sealing rotating shaft 6; the rotating shaft limiting ring 8 is tangent to the inner wall of the valve pipeline 1; the fourth bearing 23 is fixedly connected to the fourth limiting member 24; the fourth limiting member 24 is fixedly connected to the inner wall of the valve pipeline 1; a first bearing 10 is sleeved on the sealing rotating shaft 6; the first bearing 10 is fixedly connected to the first limiting member 9; the first limiting member 9 is fixedly connected between the first sealing cover plate 20 and the second sealing cover plate 21; the area of ​​the first sealing cover plate 20 and the second sealing cover plate 21 is larger than half the area of ​​the inner wall of the valve pipeline 1; the side shapes of the first sealing plate 17, the second sealing plate 18, the first sealing cover plate 20 and the second sealing cover plate 21 are the same.

[0031] When the present application is in use, two sealing buckle rings 2 are fixedly connected to the opening positions at both ends of the valve pipeline 1 made of stainless steel, and six pipeline connection installation holes 4 are evenly distributed on the sealing buckle ring 2. A rubber sealing ring 3 is bonded to the inner surface of the sealing buckle ring 2. Through such a design, the installation and alignment of the valve and the pipeline are simple, and a sealed connection is achieved at the same time;A sealing rotating shaft 6 is sealed and connected by fixing a plurality of sealing shaft seals 7 on the side opening of the valve pipeline 1. A circular rotating handle 5 is fixedly connected to the upper end of the sealing rotating shaft 6 through a thread. An active bevel gear 11 is fixedly connected to the lower end of the sealing rotating shaft 6. A second bevel gear 12 and a first bevel gear 13 are meshed and connected to the active bevel gear 11. The first bevel gear 13 is fixedly connected to the side of the first sealing plate 17. The second bevel gear 12 is fixedly connected to the side of the second sealing plate 18. The second sealing plate 18 and the first sealing plate 17 are respectively connected to the first sealing cover 20 and the second sealing cover 21 through the third bearing 19. The first sealing cover 20 and the second sealing cover 21 are sealed and fixedly connected to the inner wall of the valve pipeline 1. The inner wall of the valve pipeline 1 corresponds to the first bevel gear 12 and the second bevel gear 13. The second sealing plate 18 and the first sealing plate 17 are fixedly connected with a sealing plate limiting plate 22, and the lower ends of the second bevel gear 12 and the first bevel gear 13 are also meshedly connected with a driven bevel gear 14, and a driven transmission shaft 25 is fixedly connected to the driven bevel gear 14, and a second bearing 16 and a fourth bearing 23 are sleeved on the driven transmission shaft 25, and the second bearing 16 is fixedly connected to the second limiting member 15, and the second limiting member 15 is fixedly connected between the first sealing cover 20 and the second sealing cover 21, and the fourth bearing 23 is fixedly connected to the fourth limiting member 24, and the fourth limiting member 24 is fixedly connected to the inner wall of the valve pipeline 1, and a transmission shaft limiting ring 8 is fixedly connected to the sealing transmission shaft 6, and the upper surface of the transmission shaft limiting ring 8 is flush with the inner wall of the valve pipeline 1, and the first bearing is sleeved on the sealing transmission shaft 6 10, the first bearing 10 is fixed in the first limiting member 9, and the first limiting member 9 is fixed between the first sealing cover 20 and the second sealing cover 21. Through such a design, the valve can rotate the first sealing plate 17 and the second sealing plate 18 in opposite directions by rotating the handle 5, the sealing rotating shaft 6, the active bevel gear 11, the second bevel gear 12, the first bevel gear 13, and the driven bevel gear 14. The first sealing cover plate 20 and the second sealing cover plate 21 are respectively fixed to the inner wall of the valve pipeline 1 corresponding to the first sealing plate 17 and the second sealing plate 18, so that the first sealing plate 17 and the second sealing plate 18 are rotated out from the inside of the first sealing cover plate 20 and the second sealing cover plate 21, and rotate along the sealing plate limiting plate 22. Thus, the sealing effect of high-precision motion trajectory is achieved. At the same time, since the two sides of the first sealing plate 17 and the second sealing plate 18 are tangent to the inner sides of the first sealing cover plate 20 and the second sealing cover plate 21 respectively, the surface materials of the first sealing plate 17 and the second sealing plate 18 can be scraped off, so as not to affect the opening and closing action of the valve. At the same time, since the valve has two sets of sealing fixed connections of the first sealing plate 17 and the second sealing plate 18, the first sealing cover plate 20 and the second sealing cover plate 21, the first sealing plate 17, the second sealing plate 18, the first sealing cover plate 20 and the second sealing cover plate 21 are all made of stainless steel, so that the sealing service life of the valve is long, and the problem of poor sealing will not occur after long-term use. ;

[0032] The benefits of this application are:

[0033] 1. The present invention realizes the function of double-layer high-efficiency sealing after long-term use through the structural design of the rubber sealing ring, the first sealing plate, the second sealing plate, the first sealing cover plate, the second sealing cover plate, the sealing plate limiting plate and the sealing shaft seal, solves the problem of poor sealing performance of traditional valves after long-term use, and improves the sealing performance of the valves during long-term use;

[0034] 2. The present invention realizes the function of parallel sliding and tangentially removing surface objects during the switching process through the structural design of the first sealing plate, the second sealing plate, the first sealing cover plate, the second sealing cover plate, the active bevel gear, the second bevel gear, the first bevel gear and the driven bevel gear, thereby solving the problem that the surface of the traditional rotary valve is easily contaminated with objects, resulting in poor sealing of the switch, and prolonging the sealing service life of the valve;

[0035] 3. The present invention realizes the function of simple butt-jointed pipeline installation through the structural design of the valve pipeline, the sealing buckle ring, the rubber sealing ring and the pipeline connection installation hole, solves the problem that the traditional valve installation is not very convenient, and improves the convenience of valve installation.

[0036] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A valve with good sealing performance, characterized in that: The invention comprises a valve pipeline (1), a sealing buckle ring (2), a rubber sealing ring (3), a pipeline connection installation hole (4), a first sealing cover plate (20), a second sealing cover plate (21), a sealing plate limiting plate (22) and an action unit; the two end openings of the valve pipeline (1) are fixedly connected with sealing buckle rings (2); the sealing buckle ring (2) is evenly provided with a plurality of pipeline connection installation holes (4); the sealing buckle ring (2) is fixedly connected with a rubber sealing ring (3); the inner wall of the valve pipeline (1) is fixedly connected with a first sealing cover plate (20) and a second sealing cover plate (21) at intervals; and the inner wall of the valve pipeline (1) is fixedly connected with two sealing plate limiting plates (22) corresponding to the first sealing cover plate (20) and the second sealing cover plate (21); The action unit comprises a rotating handle (5), a sealing rotating shaft (6), a sealing shaft seal (7), a rotating shaft limiting ring (8), a first limiting member (9), a first bearing (10), an active bevel gear (11), a second bevel gear (12), a first bevel gear (13), a driven bevel gear (14), a second limiting member (15), a second bearing (16), a first sealing plate (17), a second sealing plate (18), a third bearing (19), a fourth bearing (23), a fourth limiting member (24) and a driven transmission shaft (25); a sealing shaft seal (7) is fixedly connected to a hole on the side wall of the valve pipeline (1); the sealing rotating shaft (6) is sealingly connected inside the sealing shaft seal (7); the upper end of the sealing rotating shaft (6) is threadedly connected to the rotating handle (5), and the lower end is fixedly connected to the active bevel gear (11), and the active bevel gear (11) is meshingly connected to the first ring. A second bevel gear (12) and a first bevel gear (13); the second bevel gear (12) and the first bevel gear (13) are fixedly connected to a second sealing plate (18) and a first sealing plate (17) respectively; the second sealing plate (18) and the first sealing plate (17) are rotatably engaged and connected to a second sealing cover plate (21) and a first sealing cover plate (20) respectively through a third bearing (19); a driven bevel gear (14) is meshedly connected to the second bevel gear (12) and the first bevel gear (13); a driven transmission shaft (25) is fixedly connected to the driven bevel gear (14); a second bearing (16) and a fourth bearing (23) are sleeved on the driven transmission shaft (25); the second bearing (16) is sleeved on a second limiting member (15); the second limiting member (15) is fixedly connected between the first sealing cover plate (20) and the second sealing cover plate (21); The opening and fixing directions of the first sealing cover plate (20) and the second sealing cover plate (21) are opposite, the areas of the first sealing cover plate (20) and the second sealing cover plate (21) are larger than half the area of ​​the inner wall of the valve pipeline (1), the side surfaces of the first sealing plate (17), the second sealing plate (18), the first sealing cover plate (20) and the second sealing cover plate (21) are of the same shape, and the two side surfaces of the first sealing plate (17) and the second sealing plate (18) are tangent to the inner side surfaces of the first sealing cover plate (20) and the second sealing cover plate (21), respectively.

2. A valve with good sealing performance according to claim 1, characterized in that: The first sealing plate (17), the second sealing plate (18), the first sealing cover plate (20) and the second sealing cover plate (21) are all made of stainless steel.

3. A valve with good sealing performance according to claim 1, characterized in that: A rotating shaft limiting ring (8) is sleeved on the sealing rotating shaft (6); the rotating shaft limiting ring (8) is tangent to the inner wall of the valve pipeline (1).

4. A valve with good sealing performance according to claim 1, characterized in that: The fourth bearing (23) is fixedly connected to the fourth limiting member (24).

5. A valve with good sealing performance according to claim 1, characterized in that: The fourth limiting member (24) is fixedly connected to the inner wall of the valve pipeline (1).

6. A valve with good sealing performance according to claim 1, characterized in that: A first bearing (10) is sleeved on the sealed rotating shaft (6); the first bearing (10) is fixedly connected to the first limiting member (9).

7. A valve with good sealing performance according to claim 1, characterized in that: The first limiting member (9) is fixedly connected between the first sealing cover plate (20) and the second sealing cover plate (21).

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