Valve clack structure of low-temperature pressure regulating valve

Abstract

The utility model relates to a valve clack structure of a low-temperature pressure regulating valve, which comprises an ejector rod, a sealing element and a valve clack, a sealing groove is connected above the valve clack, a plurality of circles of raised scribed lines with the same height are arranged on the bottom surface of the sealing groove, the sealing element is connected in the sealing groove, the ejector rod is connected with a pressing plate used for pressing the sealing element, and the pressing plate is connected with the valve clack. The ejector rod penetrates through the sealing piece to be connected with the valve clack, and meanwhile the bottom of the sealing piece and the protruding scribed line are arranged in a press fit mode through the pressing plate. According to the utility model, the sealing performance can be improved.

Description

Technical Field

[0001] The utility model relates to a valve flap structure of a low-temperature pressure regulating valve. Background Art

[0002] like Figure 1 As shown, it includes a push rod 1, a seal 2 and a valve disc 3. The seal is directly pressed on the valve disc through the push rod. After working for a long time, the above structure is prone to failure to seal. At the same time, the push rod is not designed with a flat wire, which makes it inconvenient to tighten.

[0003] In view of the above-mentioned defects, the designers have actively carried out research and innovation in order to create a new structure of low-temperature pressure regulating valve disc structure to make it more valuable for industrial use. Utility Model Content

[0004] In order to solve the above technical problems, the purpose of the utility model is to provide a low-temperature pressure regulating valve flap structure.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A low-temperature pressure regulating valve flap structure includes a push rod, a sealing member and a valve flap, wherein a sealing groove is connected to the top of the valve flap, and a plurality of raised score lines of the same height are provided on the bottom surface of the sealing groove. A sealing member is connected in the sealing groove, and a pressure plate for pressing the sealing member is connected to the push rod, and the push rod passes through the sealing member to be connected to the valve flap, and the pressure plate presses the bottom of the sealing member with the raised score lines.

[0007] Preferably, in the low-temperature pressure regulating valve flap structure, the raised engraved line is provided with two circles, which are arranged at intervals.

[0008] Preferably, in the low-temperature pressure regulating valve flap structure, a flat wire is provided on the push rod.

[0009] Preferably, in the low-temperature pressure regulating valve flap structure, the sealing member is provided with a pressure plate groove for installing a pressure plate.

[0010] Preferably, in the low-temperature pressure regulating valve flap structure, the push rod and the valve flap are connected by threads.

[0011] Preferably, in the low-temperature pressure regulating valve flap structure, the height of the raised engraved line is 0.5 mm.

[0012] By means of the above solution, the utility model has at least the following advantages:

[0013] The valve flap of the utility model is provided with a raised engraved line, which can better achieve sealing with the sealing element; at the same time, the push rod is designed with a flat wire, which makes it easy to tighten the push rod plate.

[0014] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the utility model in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a structural schematic diagram of the existing valve disc;

[0017] Figure 2 It is a structural schematic diagram of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the valve disc of the utility model. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, 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 part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0020] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0021] Example

[0022] like Figure 2 and Figure 3 As shown, a low-temperature pressure regulating valve flap structure includes a push rod 1, a sealing member 2 and a valve flap 3, wherein a sealing groove 4 is connected to the top of the valve flap 3, and a plurality of raised score lines 5 of the same height are provided on the bottom surface of the sealing groove 4, a sealing member 2 is connected in the sealing groove 4, a pressing plate for pressing the sealing member is connected to the push rod 1, the push rod 1 passes through the sealing member 2 and is connected to the valve flap 3, and the pressing plate presses the bottom of the sealing member 2 with the raised score lines 5.

[0023] The raised engraved line 5 in the utility model is provided with two circles, which are arranged at intervals to achieve a better sealing effect.

[0024] The push rod 1 of the utility model is provided with a flat wire 6, which makes it easy to tighten the push rod.

[0025] The sealing member 2 of the utility model is provided with a pressing plate groove for installing a pressing plate.

[0026] In the utility model, the push rod 1 and the valve disc 3 are connected via threads.

[0027] The height of the raised score line 5 in the present invention is 0.5 mm.

[0028] The working principle of the utility model is as follows:

[0029] During specific operation, the seal is installed in the sealing groove of the valve disc, and the push rod is connected to the valve disc 3 through a thread. At this time, the push rod is tightened to press the seal against the raised engraved line of the valve disc to achieve a better sealing effect.

[0030] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0031] In the description of this application, it should be noted that the terms "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the application is usually placed when in use. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0032] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or vertical, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0033] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0034] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as within the protection scope of the present invention.

Claims

1. A low-temperature pressure regulating valve disc structure, characterized by: The invention comprises a push rod (1), a sealing member (2) and a valve flap (3); a sealing groove (4) is connected to the top of the valve flap (3); a plurality of raised engraved lines (5) of the same height are provided on the bottom surface of the sealing groove (4); a sealing member (2) is connected to the inside of the sealing groove (4); a pressure plate for pressing the sealing member is connected to the push rod (1); the push rod (1) passes through the sealing member (2) and is connected to the valve flap (3); and the pressure plate presses the bottom of the sealing member (2) and the raised engraved lines (5) together.

2. The low-temperature pressure regulating valve disc structure according to claim 1, characterized in that: The raised engraved lines (5) are provided with two circles, which are spaced apart.

3. The low-temperature pressure regulating valve disc structure according to claim 1, characterized in that: A flat wire (6) is provided on the top rod (1).

4. The low-temperature pressure regulating valve disc structure according to claim 1, characterized in that: The sealing member (2) is provided with a pressure plate groove for installing a pressure plate.

5. The low-temperature pressure regulating valve disc structure according to claim 1, characterized in that: The push rod (1) and the valve flap (3) are connected via threads.

6. A low-temperature pressure regulating valve disc structure according to claim 1 or 2, characterized in that: The height of the raised score line (5) is 0.5 mm.

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