A valve leak test device

Abstract

The utility model relates to valve body testing technical field, especially a valve sealing property testing arrangement, including rotary clamping pneumatic cylinder, mounting seat, gas circuit board, the mounting seat sliding installation is in the bottom plate, the gas circuit board is installed in the one side of bottom plate and is installed with the positioning pin on the gas circuit board, the mounting seat slides to the positioning pin inserts the positioning hole in on the valve, the rotary clamping pneumatic cylinder drives the clamping arm rotation on it to clamp the one end of mounting seat far from the gas circuit board. The utility model adopts rotary clamping pneumatic cylinder cooperation positioning's mode to realize the clamping of valve, and the operation is simple and quick, and relative to the flat push clamping, this kind of rotary clamping makes the structure of whole device more compact, and the volume is more small and exquisite.

Description

Technical Field

[0001] This utility model relates to the field of valve body testing technology, and in particular to a valve sealing performance testing device. Background Technology

[0002] As a core component of fluid control systems, the sealing performance of valves directly affects the reliability, safety, and economy of system operation. Sealing performance testing plays an irreplaceable role in valve production, installation, and maintenance; therefore, valves must undergo sealing performance testing before leaving the factory. Consequently, a valve sealing performance testing device is needed to clamp the valve for testing. Utility Model Content

[0003] This invention solves the problems in related technologies and proposes a valve sealing performance testing device. It uses a rotary clamping cylinder in conjunction with a positioning pin to clamp the valve. The operation is simple and quick. Moreover, compared with flat clamping, this rotary clamping makes the entire device more compact and smaller in size.

[0004] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution: a valve sealing performance testing device, including a rotary clamping cylinder, a mounting base, and an air circuit plate. The mounting base is slidably mounted on a base plate, and the air circuit plate is mounted on one side of the base plate with a positioning pin installed on the air circuit plate. The mounting base slides until the positioning pin is inserted into the positioning hole on the valve. The rotary clamping cylinder drives the clamping arm on it to rotate to clamp the end of the mounting base away from the air circuit plate.

[0005] As a preferred embodiment, a linear guide rail is mounted on the base plate via a guide rail mounting seat, and the mounting seat is slidably mounted on the linear guide rail via a slider.

[0006] As a preferred embodiment, a clamping arm protective cover is also installed on the base plate.

[0007] As a preferred embodiment, there are two rotary clamping cylinders, which are mounted side by side on the base plate.

[0008] As a preferred embodiment, the end of the mounting base away from the air circuit board is provided with a protrusion that matches the locking hole on the clamping arm.

[0009] Compared with the prior art, the advantages of this utility model are as follows: This utility model uses a rotary clamping cylinder in conjunction with a positioning pin to clamp the valve, which is simple and quick to operate. Moreover, compared with flat clamping, this rotary clamping makes the structure of the entire device more compact and smaller in size. Protective covers are provided on both sides of the clamping arm to protect it when the clamping arm is in a horizontal state. The end of the mounting base away from the air circuit plate is provided with a protrusion that matches the locking hole on the clamping arm, so that the clamping arm can be locked with the protrusion when rotated to a vertical position. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the overall structure of this utility model (both clamping arms are in a vertical position).

[0011] Figure 2 This is a schematic diagram of the overall structure of this utility model (one clamping arm is in a horizontal state).

[0012] In the picture:

[0013] 1. Clamping cylinder, 2. Mounting base, 3. Air circuit board, 4. Base plate, 5. Guide rail mounting base, 6. Linear guide rail, 7. Clamping arm, 8. Positioning pin, 9. Slider, 10. Clamping arm protective cover, 11. Protrusion. Detailed Implementation

[0014] 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. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the present utility model or its application or use. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0015] 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.

[0016] 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 invention. 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.

[0017] In the description of this utility model, it should be understood that the directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model 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 utility model. The directional terms "inner" and "outer" refer to the inner and outer contours of each component itself.

[0018] 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.

[0019] 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 utility model.

[0020] like Figures 1 to 2 As shown, a valve sealing performance testing device includes a rotary clamping cylinder 1, a mounting base 2, and an air circuit plate 3. The mounting base 2 is mounted on a valve and is slidably mounted on a base plate 4. The air circuit plate 3 is mounted on one side of the base plate 4 and has a positioning pin 8. During testing, the mounting base 2 is slid so that the positioning pin 8 is inserted into the positioning hole on the valve. The rotary clamping cylinder 1 drives the clamping arm 7 on it to rotate to clamp the end of the mounting base 2 away from the air circuit plate 3.

[0021] In one embodiment, a linear guide rail 6 is mounted on the base plate 4 via a guide rail mounting seat 5, and the mounting seat 2 is slidably mounted on the linear guide rail 6 via a slider 9 so that the mounting seat 2 can slide along the linear guide rail 6. In addition, the mounting seat 2 has a groove-shaped structure that matches the shape of the valve so that the valve can be placed on the mounting seat 2.

[0022] In one embodiment, two clamping arm protective covers 10 are also installed on the base plate 4. The clamping arm protective covers 10 are located on both sides of the clamping arm 7. When the clamping arm 7 is not clamping the mounting base 2 (e.g. Figure 2 As shown, the clamping arm 7 on the right side is in a horizontal position. The clamping arm protective covers 10 on both sides serve to protect the clamping arm 7.

[0023] In one embodiment, there are two rotary clamping cylinders 1 mounted side by side on the base plate 4, and there are also two corresponding clamping arms 7, so as to clamp the two side walls of the mounting base 2.

[0024] In one embodiment, the end of the mounting base 2 away from the air circuit plate 3 is provided with a protrusion 11 that matches the locking hole on the clamping arm 7, so that when the clamping arm 7 is rotated to the vertical position, it can be locked with the protrusion 11.

[0025] The above are preferred embodiments of this utility model. Those skilled in the art can make changes and modifications to the above embodiments. Therefore, this utility model is not limited to the specific embodiments described above. Any obvious improvements, substitutions or modifications made by those skilled in the art based on this utility model shall fall within the protection scope of this utility model.

Claims

1. A valve tightness testing device, characterized by: The device includes a rotary clamping cylinder (1), a mounting base (2), and an air circuit plate (3). The mounting base (2) is slidably mounted on a base plate (4). The air circuit plate (3) is mounted on one side of the base plate (4) and a positioning pin (8) is mounted on the air circuit plate (3). The mounting base (2) slides into the positioning hole on the valve where the positioning pin (8) is inserted. The rotary clamping cylinder (1) drives the clamping arm (7) on it to rotate to clamp the end of the mounting base (2) away from the air circuit plate (3).

2. The valve tightness testing device of claim 1, wherein: A linear guide rail (6) is mounted on the base plate (4) via a guide rail mounting seat (5), and the mounting seat (2) is slidably mounted on the linear guide rail (6) via a slider (9).

3. The valve tightness testing device of claim 1, wherein: A clamping arm protective cover (10) is also installed on the base plate (4).

4. The valve tightness testing device of claim 1, wherein: There are two rotary clamping cylinders (1) installed side by side on the base plate (4).

5. The valve tightness testing device of claim 1, wherein: The mounting base (2) is provided with a protrusion (11) at the end away from the air circuit plate (3) that matches the locking hole on the clamping arm (7).

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