A hydraulic system pipe switch valve device

Abstract

The utility model belongs to the valve field, is about a hydraulic system with pipeline switch valve device, it includes: the valve body, the fluid passage is set up on the valve body, when the valve body is connected in the pipeline, the outer surface of valve body and the inner wall of pipeline are inlaid, the other side upper portion of valve body is rotatably connected with the valve plate, the valve plate is matched with the other side of valve body, the inboard of valve plate is connected with the valve plate sealing gasket, still include valve plate sealing gasket pressboard, valve plate sealing gasket pressboard press in on valve plate sealing gasket. After adopting above -mentioned structure, its beneficial effect is: when not fluid passes, the valve plate is under the pressure of own weight, and automatically closes. When the oil enters one side of valve plate, the weight of valve plate plus fluid pressure, and the valve plate is also closed state, when fluid enters from the other side of valve plate, fluid pressure pushes away valve plate, and opens valve plate, because valve plate sealing gasket no longer along with valve plate switch bending, and the service life of valve plate sealing gasket is greatly prolonged.

Description

Technical Field

[0001] This utility model belongs to the field of valve technology, specifically, it relates to a pipeline switching valve device for hydraulic systems. Background Technology

[0002] In hydraulic systems, pipelines play a crucial role in the flow of hydraulic fluid. In certain specific scenarios, valves are needed to block the fluid flow path in order to achieve effective control of the fluid flow.

[0003] Currently, such as Figure 1 As shown, a common valve structure includes a valve fixing block 1, which is installed inside the pipeline. A valve sealing gasket 3 is connected to the center of the valve fixing block 1 via a rotating shaft 2; the rotating shaft 2 is located at the center of the valve. This design has certain drawbacks. Because the rotating shaft 2 is located in the exact center of the valve, it creates resistance to the oil flow in the pipeline, affecting the normal flow efficiency of the oil.

[0004] Meanwhile, during the actual operation of the valve, the valve sealing gasket 3 needs to be opened and closed continuously. During this frequent opening and closing process, the connection between the valve sealing gasket 3 and the rotating shaft 2 will continuously bear the stress of bending deformation. Under this working condition for a long time, the connection is prone to wear, which will lead to a significant reduction in the service life of the valve and increase the maintenance cost and downtime of the system. Therefore, it is necessary to make improvements. Utility Model Content

[0005] To address the aforementioned problems in the prior art, this utility model provides a pipeline switching valve device for hydraulic systems.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] As one aspect of this utility model, a pipeline switching valve device for a hydraulic system is proposed, comprising: a valve body having a fluid passage; when the valve body is connected to a pipeline, the outer surface of the valve body is in contact with the inner wall of the pipeline;

[0008] A valve plate is rotatably connected to the upper part of the other side of the valve body. The valve plate cooperates with the other side of the valve body to close or open the fluid passage. A valve plate sealing gasket is connected to the inner side of the valve plate. The size of the valve plate sealing gasket is larger than the size of the valve plate.

[0009] It also includes a valve plate sealing gasket pressure plate, which is pressed onto the valve plate sealing gasket, and then the valve plate sealing gasket pressure plate is connected to the valve plate.

[0010] Optionally, the valve plate sealing gasket is connected to the valve plate by a first fastener.

[0011] Alternatively, the valve body may be annular.

[0012] Optionally, a mounting extension is formed on one side periphery of the valve body, and a first sealing ring is connected to the mounting extension; when the valve body is connected to the pipe, the first sealing ring is located between the mounting extension and the inner wall of the pipe.

[0013] Optionally, the other end face of the valve body is a bevel, and the valve plate sealing gasket cooperates with the bevel.

[0014] Optionally, the size of the valve plate sealing gasket pressure plate is smaller than the size of the valve plate sealing gasket.

[0015] Optionally, a support is integrally formed or connected to the upper part of the other side of the valve body; a mounting pin is rotatably connected to the support, a valve plate connector is connected to the mounting pin, and the valve plate and the valve plate connector are connected by a second fastener.

[0016] Optionally, the upper surface of the support is not higher than the outer surface of the valve body.

[0017] Optionally, a fixing screw is also included, by which the valve body is connected to the pipeline.

[0018] Optionally, a second sealing gasket is also included, which passes through the threaded portion of the fixing screw and is located between the nut of the fixing screw and the outer wall of the pipe and between the inner wall of the pipe and the outer surface of the valve body.

[0019] The hydraulic system pipeline valve switching device of this utility model has the following advantages: when no fluid passes through, the valve plate automatically closes under its own weight. When oil enters one side of the valve plate, the valve plate's own weight plus the fluid pressure keeps it closed; when fluid enters from the other side of the valve plate, the fluid pressure pushes the valve plate open; and because the valve plate sealing gasket no longer bends with the valve plate's opening and closing, its lifespan is greatly extended. Attached Figure Description

[0020] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention.

[0021] Figure 1 A schematic diagram of the structure of a pipeline switching valve device for a hydraulic system in the prior art;

[0022] Figure 2 This is a front view of the structure of the hydraulic system pipeline switch valve device of this utility model;

[0023] Figure 3 This is a rear view of the structure of the hydraulic system pipeline switch valve device of this utility model;

[0024] Figure 4 This is a side view of the structure of the hydraulic system pipeline switch valve device of this utility model;

[0025] Figure 5 This serves as a state reference for the pipeline switching valve device used in the hydraulic system of this utility model. Figure 1 ;

[0026] Figure 6 This serves as a state reference for the pipeline switching valve device used in the hydraulic system of this utility model. Figure 2 . Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below in conjunction with specific embodiments and corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0028] One embodiment of this application provides a pipeline switching valve device for a hydraulic system, such as... Figures 2-6 As shown, it includes: a valve body 11, on which a fluid channel 111 is provided. The fluid channel 111 is circular, allowing for smoother fluid flow. When the valve body 11 is connected to a pipe, the outer surface of the valve body 11 is in contact with the inner wall of the pipe. As an example, the valve body 11 is annular.

[0029] A mounting extension 112 is formed on one side periphery of the valve body 11. A groove is provided on the mounting extension 112, and a first sealing ring 12 is connected in the groove. When the valve body 11 is connected to the pipeline, the first sealing ring 12 is located between the mounting extension 112 and the inner wall of the pipeline, ensuring the sealing between the valve body 11 and the inner wall of the pipeline, and preventing liquid medium from flowing between the valve body 11 and the inner wall of the pipeline.

[0030] A valve plate 13 is rotatably connected to the upper part of the other side of the valve body 11. The other end face of the valve body 11 is an inclined surface 113. The valve plate 13 cooperates with the inclined surface 113 to close or open the fluid channel 111. A valve plate sealing gasket 14 is connected to the inner side of the valve plate 13. At this time, the valve plate sealing gasket 14 cooperates with the inclined surface 113. The size of the valve plate sealing gasket 14 is larger than the size of the valve plate 13. The size of the valve plate sealing gasket 14 is larger than the size of the fluid channel 111 to ensure the sealing between the valve plate 13 and the inclined surface 113.

[0031] In one embodiment, such as Figure 3 and Figure 4 As shown, it also includes a valve plate sealing gasket pressure plate 15, which is pressed onto the valve plate sealing gasket 14. The valve plate sealing gasket pressure plate 15 and the valve plate 13 are then connected by a first fastener 16 to realize the connection between the valve plate sealing gasket 14 and the valve body 13. The size of the valve plate sealing gasket pressure plate 15 is smaller than the size of the valve plate sealing gasket 14. As an example, the first fastener 16 is a rivet. The connection of rivets is a known technology and will not be described in detail.

[0032] In one embodiment, such as Figure 2 and Figure 4 As shown, a support 114 is integrally formed or welded to the upper part of the other side of the valve body 11. The upper surface of the support 114 is not higher than the outer surface of the valve body 11. A mounting pin 17 is rotatably connected to the support 114. A valve plate connector 18 is connected to the mounting pin 17. The valve plate 13 and the valve plate connector 18 are connected by a second fastener 19. The valve plate 13 can swing relative to the valve body 11 with the mounting pin 17 as the fulcrum. The second fastener 19 is a rivet. The connection of the rivet is a known technology and will not be described in detail.

[0033] In one embodiment, such as Figures 2-4 As shown, it also includes a fixing screw 20, and the valve body 11 is connected to the pipeline by the fixing screw 20; the threaded part of the fixing screw 20 passes through the pipeline and connects to the valve body 11, so that the valve body 11 is connected to the preset position of the pipeline; a fixing screw 20 is provided at the upper part and the lower part of the valve body 11 to ensure the reliability of the connection.

[0034] In one embodiment, such as Figures 3-4 As shown, it also includes a second sealing gasket 21, which is inserted through the threaded portion of the fixing screw 20. The second sealing gasket 21 is located between the nut of the fixing screw 20 and the outer wall of the pipe and between the inner wall of the pipe and the outer surface of the valve body 11, thereby increasing the sealing performance of the connection.

[0035] like Figures 5-6 As shown, when no fluid passes through, the valve plate 13 automatically closes under its own weight. When oil enters one side of the valve plate 13, the valve plate 13 is also closed due to its own weight plus the fluid pressure. When fluid enters from the other side of the valve plate 13, the fluid pressure pushes the valve plate 13 open. Since the valve plate sealing gasket 14 no longer bends with the opening and closing of the valve plate 13, the life of the valve plate sealing gasket 14 is greatly extended.

[0036] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0037] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps described in these embodiments do not limit the scope of this application. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0038] In the description of this application, it should be understood that the orientation or positional relationship indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" is usually based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this application and simplifying the description. Unless otherwise stated, these directional terms 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, and therefore should not be construed as a limitation on the scope of protection of this application; the directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0039] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0040] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this application.

[0041] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "connected," etc., should be interpreted broadly. For example, "connection" 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.

[0042] The above description is only a preferred embodiment of the present utility model. All equivalent changes and modifications made within the scope of the patent application of the present utility model shall be covered by the present utility model.

Claims

1. A pipe shut-off valve device for a hydraulic system, characterized by, It includes: The valve body has a fluid passage; when the valve body is connected to a pipeline, the outer surface of the valve body is in contact with the inner wall of the pipeline. A valve plate is rotatably connected to the upper part of the other side of the valve body. The valve plate cooperates with the other side of the valve body to close or open the fluid passage. A valve plate sealing gasket is connected to the inner side of the valve plate. The size of the valve plate sealing gasket is larger than the size of the valve plate. It also includes a valve plate sealing gasket pressure plate, which is pressed onto the valve plate sealing gasket, and then the valve plate sealing gasket pressure plate is connected to the valve plate.

2. The pipe shut-off valve apparatus for a hydraulic system according to claim 1, wherein The valve plate sealing gasket is connected to the valve plate by a first fastener.

3. The pipe shut-off valve apparatus for a hydraulic system according to claim 1, wherein The valve body is ring-shaped.

4. The pipe shut-off valve apparatus for a hydraulic system according to claim 1, wherein A mounting extension is formed on one side periphery of the valve body, and a first sealing ring is connected to the mounting extension; when the valve body is connected to the pipeline, the first sealing ring is located between the mounting extension and the inner wall of the pipeline.

5. The pipe shut-off valve apparatus for a hydraulic system according to claim 1, wherein The other end face of the valve body is an inclined surface, and the valve plate sealing gasket is matched with the inclined surface.

6. The pipe shut-off valve apparatus for a hydraulic system according to claim 1, wherein The size of the valve plate sealing gasket pressure plate is smaller than the size of the valve plate sealing gasket.

7. The pipe shut-off valve apparatus for a hydraulic system according to claim 1, wherein A support is integrally formed or connected to the upper part of the other side of the valve body; a mounting pin is rotatably connected to the support, and a valve plate connector is connected to the mounting pin; the valve plate and the valve plate connector are connected by a second fastener.

8. The pipe shut-off valve apparatus for a hydraulic system according to claim 7, wherein The upper surface of the support is not higher than the outer surface of the valve body.

9. The pipe shut-off valve apparatus for a hydraulic system defined in claim 1, wherein, It also includes fixing screws, through which the valve body is connected to the pipeline.

10. The pipe shut-off valve apparatus for a hydraulic system defined in claim 9, wherein, It also includes a second sealing gasket, which is inserted through the threaded portion of the fixing screw and is located between the nut of the fixing screw and the outer wall of the pipe and between the inner wall of the pipe and the outer surface of the valve body.

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