Valve part pressure test device

By setting a groove and annular groove structure on the first pressure test plate of the pressure test device, the annular boss structure is cancelled, which solves the possible scratch problems during product clamping, reduces the risk of accidental scratches, and ensures sealing performance and operating safety.

CN222774199UActive Publication Date: 2025-04-18NINGBO RIAN VALVES
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Patent Information

Application Number
CN202421685742.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-16
Publication Date
2025-04-18
Estimated Expiration
2034-07-16

AI Technical Summary

Technical Problem

The annular boss structure in existing pressure test devices may cause damage or scratches on the product surface during product clamping, especially for products with high surface requirements, which may cause irreversible damage to the appearance and quality of the product.

Method used

By providing the groove and annular groove structure of the first pressure test plate, the annular boss structure in the prior art is eliminated, and the hard contact area between the first pressure test plate and the product surface is reduced, thereby reducing the risk of accidental scratches or bumps.

Benefits of technology

It effectively reduces the hard contact between the product and the pressure test device, reduces the risk of accidental scratches or bumps, and ensures sealing performance and media circulation, ensuring smooth operation and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a valve part pressure test device, comprising a first pressure test plate which is provided with a first clamping end, a first gasket and an air inlet joint, the first clamping end is provided with a first groove and a first annular groove, the first annular groove is formed by recessing the inner edge of the first groove, and the air inlet joint is provided with a second gasket; the periphery of the first gasket is clamped into the first annular groove and tightly attached to the groove bottom of the first groove, and the first gasket is provided with a center hole communicated with the air inlet connector. The second pressure test plate is provided with a second clamping end; and the driving device is used for driving the first pressure test plate to move in the direction close to or away from the second pressure test plate. According to the valve part pressure test device provided by the utility model, through arranging the groove and the annular groove structure of the first pressure test plate, an annular boss structure in the prior art is effectively canceled, the hard contact area between the first pressure test plate and the surface of a product is reduced, and the risk of accidental scratch or collision is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of pressure testing devices, and more specifically to a pressure testing device for valve components. Background Art

[0002] In the existing pressure test device, the first pressure test plate and the second pressure test plate clamp and seal the product from both sides. The clamping surface of the first pressure test plate and / or the second pressure test plate is provided with a central annular boss. The annular boss has two functions. First, the annular boss is formed by extending from the air outlet, and is connected with the air inlet channel through the boss to realize the flow of the medium (such as gas or liquid), so as to test the product pressure; second, it is used to fix the rubber gasket to ensure the sealing during the pressure test.

[0003] However, the presence of the annular boss also brings some potential problems. One of them is that during the product clamping process, the boss may contact the product surface, causing bumps or scratches on the product surface. Especially for products with high surface requirements, these scratches may cause irreversible damage to the appearance and quality of the product. Summary of the invention

[0004] The utility model aims to solve one of the technical problems in the related art to a certain extent. To this end, the utility model proposes a valve component pressure test device, which effectively eliminates the annular boss structure in the prior art by setting a groove and an annular groove structure of the first pressure test plate, reduces the hard contact area between the first pressure test plate and the product surface, and reduces the risk of accidental scratches or bumps.

[0005] The technical solution adopted by the utility model is: to provide a valve component pressure testing device, including:

[0006] A first pressure test plate, comprising a first clamping end, a first gasket and an air inlet joint, wherein the first clamping end has a first groove and a first annular groove, wherein the first annular groove is formed by a depression at the inner edge of the first groove, wherein the outer periphery of the first gasket is inserted into the first annular groove and is tightly attached to the bottom of the first groove, and wherein the first gasket has a central hole connected to the air inlet joint;

[0007] A second test plate having a second clamping end;

[0008] A driving device is used to drive the first pressure test plate to move toward or away from the second pressure test plate.

[0009] After adopting the above structure, the first pressure test plate is provided with a groove and annular groove structure, thereby eliminating the annular boss structure in the prior art, effectively reducing the hard contact area between the first pressure test plate and the product surface, thereby reducing the risk of accidental scratches or bumps. In addition, the first gasket is provided to ensure the sealing performance, and is connected to the air inlet joint through the center hole, so that the medium can flow during the pressure test, ensuring the smoothness and safety of the operation.

[0010] According to an embodiment of the utility model, it also includes a second gasket, which is attached to the surface of the second clamping end; the first gasket and the second gasket are both used to reduce the hard contact between the product and the pressure test device, and play a role in sealing and reducing friction.

[0011] According to one embodiment of the utility model, it also includes a second gasket, the second clamping end has a second groove and a second annular groove, the second annular groove is formed by the inner edge depression of the second groove, the outer periphery of the second gasket is inserted into the second annular groove and is tightly attached to the bottom of the second groove.

[0012] According to an embodiment of the utility model, the air inlet connector is detachably connected to the first pressure test plate.

[0013] According to an embodiment of the utility model, an L-shaped air inlet channel is provided inside the first pressure test plate, one end of the air inlet channel is connected to the central hole, and the other end is connected to the air inlet joint.

[0014] According to an embodiment of the present utility model, a fixed end is provided at one end of the first pressure test plate away from the first clamping end, and the fixed end is used to connect to the driving device.

[0015] According to an embodiment of the utility model, a screw segment is provided at one end of the second pressure test plate away from the second clamping end, and the screw segment is used to connect to the driving device.

[0016] According to an embodiment of the present invention, the first gasket and / or the second gasket is made of a flexible material.

[0017] According to an embodiment of the present invention, the first gasket and / or the second gasket is made of rubber.

[0018] According to one embodiment of the utility model, a positioning notch is provided on the edge of the first gasket, and the inner wall of the first annular groove has a positioning protrusion adapted to the positioning notch; the positioning notch is inserted into the positioning protrusion to position the first gasket and install it in the first annular groove to prevent relative deflection between the two. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model 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 utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 A three-dimensional diagram of a product in an embodiment of the utility model;

[0021] Figure 2 It is a three-dimensional diagram of the pressure test device in the embodiment of the utility model;

[0022] Figure 3 A half-section view of a pressure test device in an embodiment of the utility model;

[0023] Figure 4 An exploded view of the pressure test device in the embodiment of the utility model;

[0024] Figure 5 A three-dimensional diagram of the first pressure test plate in the embodiment of the utility model;

[0025] Figure 6 It is a cross-sectional view of the first pressure test plate in the embodiment of the utility model;

[0026] Figure 7 It is an exploded view of the second pressure test plate in the embodiment of the utility model.

[0027] Description of the numbers in the figure:

[0028] 10. Product; 20. First pressure test plate; 30. Second pressure test plate;

[0029] 11. Flange end; 12. Connection end;

[0030] 21. first clamping end; 22. first gasket; 23. air inlet connector;

[0031] 21a, air inlet passage; 21b, first groove; 21c, first annular groove; 21d, fixed end;

[0032] 22a, center hole;

[0033] 31. second clamping end; 32. second gasket;

[0034] 31a, second groove; 31b, second annular groove; 31c, screw segment. DETAILED DESCRIPTION

[0035] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention. Embodiment 1

[0036] like Figure 1-7 As shown, in this embodiment, a valve component pressure testing device is disclosed, comprising:

[0037] The first pressure test plate 20 has a first clamping end 21, a first gasket 22 and an air inlet connector 23. The first clamping end 21 has a first groove 21b and a first annular groove 21c. The first annular groove 21c is formed by a depression of the inner edge of the first groove 21b. The outer periphery of the first gasket 22 is inserted into the first annular groove 21c and is tightly attached to the bottom of the first groove 21b. The first gasket 22 has a central hole 22a connected to the air inlet connector 23.

[0038] A second test plate 30 having a second clamping end 31;

[0039] A driving device (not shown in the figure), wherein the driving device is used to drive the first pressure test plate 20 to move toward or away from the second pressure test plate 30.

[0040] Furthermore, in this embodiment, the product 10 is a valve cover, which has a flange end 11 and a connection end 12, the flange end 11 and the connection end 12 are arranged opposite to each other, and the valve cover is hollow inside. In order to test the sealing and pressure resistance of the detection pipeline of the valve cover, it is ensured that the valve cover can withstand the water pressure within the normal use range without damage and leakage.

[0041] Furthermore, the first gasket 22 and the second gasket 32 ​​are made of a flexible material, preferably a rubber material.

[0042] Furthermore, the first clamping end 21 is roughly circular, and a circular first groove 21b is formed by the surface of the first clamping end 21 being recessed downward. The inner diameter of the first groove 21b is larger than the outer diameter of the flange end 11. The inner edge of the first groove 21b close to the groove bottom is recessed to form a first annular groove 21c, and the inner diameter of the first annular groove 21c is adapted to the outer diameter of the first gasket 22. The edge of the first gasket 22 is inserted into the first annular groove 21c, thereby completing the positioning and installation of the first gasket 22. A center hole 22a is provided at the center position of the first gasket 22, and the center hole 22a adopts a through hole structure, and an L-shaped air intake channel 21a is provided inside the first pressure test plate 20, one end of the air intake channel 21a is connected to the center hole 22a, and the other end is connected to the air intake connector 23. The air intake connector 23 is detachably connected to the first pressure test plate 20, and more specifically, the air intake connector 23 is threadedly connected to the first pressure test plate 20.

[0043] Furthermore, in this embodiment, the driving device is a cylinder or an oil cylinder, and one of the first pressure test plate 20 and the second pressure test plate 30 is fixedly mounted on its movable end, and the other is fixed. The pressure test plate moves toward or away from the second pressure test plate 30 through the cylinder or the oil cylinder.

[0044] Furthermore, in another embodiment, the first pressure test plate 20 is threadedly connected with a positioning ring (not shown in the figure), and the positioning ring and the first pressure test plate 20 are combined to form a first annular groove 21c. During assembly, the first gasket 22 is first attached to the surface of the first clamping end 21. Then, the positioning ring is screwed on, and the positioning ring firmly fixes the first gasket 22 on the first pressure test plate 20.

[0045] Furthermore, in other embodiments, the pressure test device further includes a second gasket 32 ​​, the surface of the second clamping end 31 is a smooth plane, and the second gasket 32 ​​is attached to the surface of the second clamping end 31 .

[0046] Specifically, in this embodiment, the pressure test device further includes a second gasket 32, the second clamping end 31 has a second groove 31a and a second annular groove 31b, the second annular groove 31b is formed by the inner edge of the second groove 31a being recessed, the outer periphery of the second gasket 32 ​​is inserted into the second annular groove 31b, and is tightly attached to the bottom of the second groove 31a. The end of the first pressure test plate 20 away from the first clamping end 21 is provided with a fixed end 21d, and the fixed end 21d is used to connect to the driving device. The end of the second pressure test plate 30 away from the second clamping end 31 is provided with a screw segment 31c, and the screw segment 31c is used to connect to the driving device.

[0047] Furthermore, in this embodiment, a positioning notch is provided on the edge of the first gasket 22, and the inner wall of the first annular groove 21c has a positioning protrusion adapted to the positioning notch; the positioning notch is inserted into the positioning protrusion, so as to position the first gasket 22 and install it in the first annular groove 21c to prevent relative deflection between the two.

[0048] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention 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 the present invention.

[0049] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0050] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0051] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0052] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A valve component pressure testing device, characterized in that: include: A first pressure test plate, comprising a first clamping end, a first gasket and an air inlet joint, wherein the first clamping end has a first groove and a first annular groove, wherein the first annular groove is formed by a depression at the inner edge of the first groove, wherein the outer periphery of the first gasket is inserted into the first annular groove and is tightly attached to the bottom of the first groove, and wherein the first gasket has a central hole connected to the air inlet joint; A second test plate having a second clamping end; A driving device is used to drive the first pressure test plate to move toward or away from the second pressure test plate.

2. A valve component pressure testing device according to claim 1, characterized in that: It also includes a second gasket, which is attached to the surface of the second clamping end.

3. A valve component pressure testing device according to claim 1, characterized in that: It also includes a second gasket, the second clamping end has a second groove and a second annular groove, the second annular groove is formed by the inner edge of the second groove, the outer periphery of the second gasket is inserted into the second annular groove and is tightly attached to the bottom of the second groove.

4. A valve component pressure testing device according to claim 1, characterized in that: The air inlet connector is detachably connected to the first pressure test plate.

5. A valve component pressure testing device according to claim 1, characterized in that: The first pressure test plate has an L-shaped air inlet channel inside, one end of the air inlet channel is connected to the central hole, and the other end is connected to the air inlet joint.

6. A valve component pressure testing device according to claim 1, characterized in that: A fixed end is provided at one end of the first pressure test plate away from the first clamping end, and the fixed end is used to connect with the driving device.

7. A valve component pressure testing device according to any one of claims 1 to 3, characterized in that: A screw segment is provided at one end of the second pressure test plate away from the second clamping end, and the screw segment is used to connect to the driving device.

8. A valve component pressure testing device according to any one of claims 2-3, characterized in that: The first gasket and / or the second gasket is made of flexible material.

9. A valve component pressure testing device according to claim 8, characterized in that: The first gasket and / or the second gasket is made of rubber.

10. A valve component pressure testing device according to claim 1, characterized in that: A positioning notch is provided on the edge of the first gasket, and a positioning protrusion matched with the positioning notch is provided on the inner wall of the first annular groove.