Groove valve pressure test tool

Abstract

The utility model discloses a pressure test tool for a groove valve, and relates to the field of valve pressure test. The groove valve pressure test tool comprises a connecting structure, a mounting plate and a plurality of locking pieces, the connecting structure comprises at least two open-loop pieces, an assembling flange is arranged on the outer edge side of the mounting plate, and the locking ends of the locking pieces are used for fastening the connecting structure to be close to the assembling flange so as to press the annular boss. When the pressure test tool is assembled, a connecting structure composed of two or more open-loop pieces is attached to one side of an annular boss on a valve body, and then an assembling flange of a mounting plate is attached to the other side of the annular boss on the valve body; and then, the connecting structure and the assembly flange are close together through a plurality of locking pieces so as to crimp the annular boss, so that the pressure test tool can be installed and fixed on the valve body. The pressure test tool can solve the problem that the pressure test tool is inconvenient to install due to the fact that the outer side space of the valve body is limited.

Description

Technical Field

[0001] The utility model relates to the technical field of valve pressure testing, in particular to a pressure testing tool for a grooved valve. Background Art

[0002] The groove structure is a very common structure in valves. While ensuring reasonable structural strength, it can provide outward expansion space for connecting external pipes or facilities.

[0003] The valve body structure is usually compact in layout, and the space outside the valve body with a bevel structure is relatively limited, which makes it inconvenient to install pressure test tooling; for example, the space between the bevel structure on the valve body and the boss on the connecting end of its own structure is relatively small, and traditional pressure test tooling cannot be reasonably and reliably assembled to the connecting end, making it difficult to achieve sealing and pressure testing of the valve body. Utility Model Content

[0004] In order to solve the technical problems raised by the above background technology, the utility model provides a bevel valve pressure test tool, which includes:

[0005] A connecting structure, adapted to be arranged on one side of the annular boss on the valve body; the connecting structure comprises at least two open ring members;

[0006] A mounting plate, adapted to be arranged on the other side of the annular boss on the valve body; a mounting flange is arranged on the outer edge of the mounting plate, and a medium injection port is arranged on the mounting plate;

[0007] And a plurality of locking members, the locking ends of the locking members are used to fasten the connection structure and the assembly flange close to each other so as to press the annular boss.

[0008] Optionally, the open ring member is provided with a plurality of threaded holes, and the locking ends of the locking member are connected to the threaded holes correspondingly.

[0009] Optionally, a plurality of mounting holes are provided on the assembly flange, the locking ends of the locking members are correspondingly connected to the mounting holes, and the mounting holes and the threaded holes are correspondingly arranged.

[0010] Optionally, the plurality of mounting holes are evenly spaced apart along the circumferential direction of the mounting flange.

[0011] Optionally, at least one connecting groove is provided on the assembly flange, and the connecting groove is configured as an annular groove structure. The pressure test tooling further comprises a sealing member, and the sealing member is disposed in the connecting groove, and the sealing member and the connecting groove are correspondingly disposed.

[0012] Optionally, the mounting plate includes a sealing head, the assembly flange is fixedly connected to the sealing head, and the medium injection port is arranged on the sealing head.

[0013] Optionally, the sealing head is configured to have a C-shaped cross section, and the extension axis of the medium injection port and the center line of the C-shaped cross section are configured to coincide with each other.

[0014] Optionally, the sealing head is provided with an exhaust port, and the exhaust port is configured with an internal thread structure.

[0015] Optionally, the mounting plate further comprises a support foot, one end of the support foot is fixedly disposed on the sealing head, and the other end of the support foot is extended in a direction away from the sealing head.

[0016] Optionally, the locking member and the annular boss are arranged to avoid each other.

[0017] The technical solution provided by the utility model has the following advantages:

[0018] The utility model provides a bevel valve pressure test tool, comprising a connecting structure, a mounting plate and a plurality of locking pieces; the connecting structure is suitable for being arranged on one side of an annular boss on a valve body; the connecting structure comprises at least two open-ring pieces; the mounting plate is suitable for being arranged on the other side of the annular boss on the valve body; an assembly flange is arranged on the outer edge side of the mounting plate, and a medium injection port is arranged on the mounting plate; the locking end of the locking piece is used for fastening the connecting structure and the assembly flange close together to crimp the annular boss.

[0019] The pressure test fixture for the bevel valve of this structure, when assembling the pressure test fixture, firstly fit the connection structure composed of two or more open-ring parts together on one side of the annular boss on the valve body, and then fit the assembly flange of the mounting plate on the other side of the annular boss on the valve body; thereafter, the connection structure and the assembly flange are brought close together by a plurality of locking parts to crimp the annular boss so that the pressure test fixture can be installed and fixed on the valve body; by flexibly arranging multiple open-ring parts on one side of the annular boss, it can solve the problem of inconvenient installation of the pressure test fixture due to limited space outside the valve body. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 A schematic diagram of the connection between the bevel valve pressure test fixture and the valve body provided by the utility model;

[0022] Figure 2A schematic diagram of the structure of the bevel valve pressure test tool provided by the utility model;

[0023] Figure 3 A side view of the connection structure in the bevel valve pressure test tool provided by the utility model;

[0024] Figure 4 A side view of the mounting plate in the bevel valve pressure test tool provided by the utility model;

[0025] Description of reference numerals:

[0026] 1-open ring; 11-threaded hole;

[0027] 2-mounting plate; 21-sealing head; 22-assembly flange; 221-mounting hole; 222-connection groove; 23-medium injection port; 24-exhaust port; 25-support foot;

[0028] 3-Locking piece;

[0029] 4-valve body; 41-annular boss; 42-shielding structure. DETAILED DESCRIPTION

[0030] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying 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. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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 components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0034] Example 1

[0035] This embodiment provides a bevel valve pressure test tool, see Figures 1 to 4 The pressure test tooling includes a connection structure, a mounting plate 2 and a plurality of locking members 3; the connection structure is suitable for being arranged on one side of the annular boss 41 on the valve body 4; the connection structure includes two or more open ring members 1; the mounting plate 2 is suitable for being arranged on the other side of the annular boss 41 on the valve body 4; an assembly flange 22 is arranged on the outer edge of the mounting plate 2, and a medium injection port 23 is arranged on the mounting plate 2; the connection structure and the mounting plate 2 are fastened and locked on both sides of the annular boss 41 by the locking members 3. The medium injection port 23 is used to connect the external pressure test input pipe to pass the pressure medium into the inner cavity of the valve body 4, and the sealing and pressure test of the valve body 4 are realized by pressurizing the pressure medium.

[0036] Specifically, in this embodiment, see Figure 1 The locking end of the locking member 3 is used to tighten the connecting structure and the assembly flange 22 together to press the annular boss 41, so that the pressure test tool is fixed on the valve body 4 to create a desired sealing environment for subsequent pressure testing.

[0037] This embodiment flexibly arranges multiple open-ring parts 1 on one side of the annular boss 41 to provide a connection position for the mounting plate 2, which can solve the problem of inconvenient installation of pressure test tooling due to limited space outside the valve body 4.

[0038] In this embodiment, see Figure 3 , any open ring member 1 is provided with a plurality of threaded holes 11, and the locking ends of the locking members 3 are connected to the threaded holes 11 correspondingly. Figure 4 The assembly flange 22 is provided with a plurality of mounting holes 221, the locking end of the locking member 3 is connected to the mounting holes 221, and the mounting holes 221 are provided correspondingly to the threaded holes 11. The threaded holes 11 are provided on the open ring member 1 to ensure the screwing depth of the threaded connection of the locking member 3, which is beneficial to improving the safety and stability of the test.

[0039] In some embodiments, see Figure 1 If the bevel structure on the valve body 4 forms a shielding structure 42 of the outer space, and the gap between the shielding structure 42 and the annular boss 41 is small, a plurality of open ring parts 1 can be spliced ​​together to form a connection structure to flexibly configure the connection position of the pressure test tooling. The number of open ring parts 1 can be designed and configured according to the valve body 4, which is practical.

[0040] In a specific embodiment, see Figure 3 The connecting ring is set as a split ring, which can be rotated at will to avoid the compact layout of the valve body 4, and can achieve the sealing of large-diameter bevel valves.

[0041] In some embodiments, see Figure 3 , the open ring member 1 is configured as an arc-shaped plate.

[0042] See also Figure 3 and Figure 4 The plurality of mounting holes 221 are evenly spaced apart along the circumferential direction of the mounting flange 22. The threaded holes 11 are evenly spaced apart along the circumferential extension of the open ring member 1.

[0043] See also Figure 1 After the pressure test fixture is assembled, the locking member 3 and the annular boss 41 are arranged to avoid each other. The shortest distance from the inner diameter of the threaded hole 11 to the central axis of the annular boss 41 is greater than the outer diameter of the annular boss 41.

[0044] See also Figure 1 The valve body 4 is provided with two connection ends, and two sets of pressure test fixtures are provided accordingly.

[0045] See also Figure 4 The assembly flange 22 is also provided with one or more connection grooves 222, which are arranged as an annular groove structure. The pressure test tooling also includes a seal (not shown in the figure), which is arranged in the connection groove 222, and the seal and the connection groove 222 are arranged correspondingly. After the locking member 3 fixes the connection structure and the mounting plate 2 on both sides of the annular boss 41, the seal on the assembly flange 22 corresponds to the gap space between the annular boss 41 and the assembly flange 22 with the pressing force. Preferably, two connection grooves 222 are provided.

[0046] In a specific implementation, the connection groove 222 is configured as a dovetail groove, and the sealing element is configured as an O-ring.

[0047] In this embodiment, see Figure 2 The mounting plate 2 includes a sealing head 21 , a mounting flange 22 is fixedly connected to the sealing head 21 , and a medium injection port 23 is arranged on the sealing head 21 .

[0048] In some embodiments, the sealing head 21 is configured to have a C-shaped cross section, and the extension axis of the medium injection port 23 is configured to coincide with the center line of the C-shaped cross section.

[0049] See also Figure 2 The sealing head 21 is provided with an exhaust port 24, and the exhaust port 24 is provided with an internal thread structure. During the pressure sealing test, the exhaust port 24 is screwed into the external sealing piece through the thread to close the exhaust port 24.

[0050] See also Figure 2The mounting plate 2 further comprises a support leg 25, one end of the support leg 25 is fixedly arranged with the sealing head 21, and the other end of the support leg 25 is extended in a direction away from the sealing head 21. The mounting plate 2 and the valve body 4 connected thereto are supported and placed by the support leg 25.

[0051] When assembling the pressure test tooling in this embodiment, first, the connection structure composed of two or more open ring parts 1 is fitted together on one side of the annular boss 41 on the valve body 4, and then the assembly flange 22 of the mounting plate 2 is fitted on the other side of the annular boss 41 on the valve body 4; thereafter, the connection structure and the assembly flange 22 are brought close together by a plurality of locking parts 3 to crimp the annular boss 41, so that the pressure test tooling can be installed and fixed on the valve body 4.

[0052] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention of the utility model.

Claims

1. A bevel valve pressure test tool, characterized in that: include: A connection structure, suitable for being arranged on one side of an annular boss (41) on a valve body (4); the connection structure comprises at least two open ring members (1); A mounting plate (2) is adapted to be arranged on the other side of the annular boss (41) on the valve body (4); a mounting flange (22) is arranged on the outer edge of the mounting plate (2), and a medium injection port (23) is arranged on the mounting plate (2); And a plurality of locking members (3), the locking ends of the locking members (3) are used to fasten the connection structure and the assembly flange (22) close together to press the annular boss (41).

2. The bevel valve pressure test tool according to claim 1 is characterized in that: The open ring member (1) is provided with a plurality of threaded holes (11), and the locking ends of the locking member (3) are correspondingly connected to the threaded holes (11).

3. The bevel valve pressure test tool according to claim 2 is characterized in that: The assembly flange (22) is provided with a plurality of mounting holes (221), the locking ends of the locking members (3) are correspondingly connected to the mounting holes (221), and the mounting holes (221) and the threaded holes (11) are correspondingly arranged.

4. The bevel valve pressure test tool according to claim 3 is characterized in that: The plurality of mounting holes (221) are evenly spaced along the circumferential direction of the mounting flange (22).

5. The bevel valve pressure test tool according to claim 3 is characterized in that: The assembly flange (22) is also provided with at least one connection groove (222), and the connection groove (222) is configured as an annular groove structure. The pressure test tooling also includes a sealing member, and the sealing member is disposed in the connection groove (222). The sealing member and the connection groove (222) are correspondingly disposed.

6. The bevel valve pressure test tool according to claim 1, characterized in that: The mounting plate (2) comprises a sealing head (21), the mounting flange (22) and the sealing head (21) are fixedly connected, and the medium injection port (23) is arranged on the sealing head (21).

7. The bevel valve pressure test tool according to claim 6 is characterized in that: The sealing head (21) is arranged to have a C-shaped cross section, and the extension axis of the medium injection port (23) and the center line of the C-shaped cross section are arranged to coincide with each other.

8. The bevel valve pressure test tool according to claim 6, characterized in that: The sealing head (21) is provided with an exhaust port (24), and the exhaust port (24) is configured with an internal thread structure.

9. The bevel valve pressure test tool according to claim 6, characterized in that: The mounting plate (2) further comprises a support foot (25), one end of the support foot (25) being fixedly arranged with the sealing head (21), and the other end of the support foot (25) being extended in a direction away from the sealing head (21).

10. The bevel valve pressure test tool according to claim 1, characterized in that: The locking member (3) and the annular boss (41) are arranged to avoid each other.

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