CN214702731U

CN214702731U - Test tool for external oil return special-shaped valve

Info

Publication number: CN214702731U
Application number: CN202120789129.0U
Authority: CN
Inventors: 于金海; 何再龙; 盛兵
Original assignee: Jiangsu Junyuan Equipment Manufacturing Co ltd
Current assignee: Jiangsu Junyuan Equipment Manufacturing Co ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-11-12
Anticipated expiration: 2031-04-16

Abstract

The utility model discloses an experimental frock of outer oil return dysmorphism valve, its technical scheme main points are including the frock body and seal assembly, it has the cavity to open in the frock body, and the dysmorphism valve setting that detects is in the cavity, seal assembly can dismantle the connection on the frock body, the frock body is opened has the oil circuit structure with the cavity intercommunication, the utility model discloses have the dysmorphism valve that makes things convenient for the clamping to await measuring, do not need staff to connect external pipeline many times, the simplified operation improves efficiency, and during the experiment, the system loop becomes the closed by open, has avoided the pollution of fluid and has reduced the loss of fluid.

Description

Test tool for external oil return special-shaped valve

Technical Field

The utility model relates to a supporting apparatus field of dysmorphism valve experiment, in particular to outer oil return dysmorphism valve test fixture.

Background

The valve is a pipeline accessory used for opening and closing a pipeline, controlling the flow direction, adjusting and controlling parameters of a conveying medium, and has the functions of diversion, cut-off, throttling, non-return, diversion or overflow pressure relief and the like. Valves are indispensable important components in various industrial fields. According to different use conditions, more and more special-shaped valves which are adaptive to special working conditions are needed. The mode that generally adopts external pipeline at present detects special-shaped valve, but every time carries out the detection and needs the staff to connect external pipeline once again, need spend more time, influences detection efficiency to easily produce and leak, pollute operational environment, need design one kind and detect the frock and solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

To the shortcoming of above-mentioned prior art, the utility model aims at providing an outer oil return dysmorphism valve test frock has the dysmorphism valve that makes things convenient for the clamping to await measuring, does not need staff's a lot of to connect external pipeline, and the simplified operation raises the efficiency to there is not human error, detects the advantage that the precision is high.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides an outer oil return special-shaped valve test fixture, includes the frock body and seal assembly, it has the cavity to open in the frock body, waits to detect the special-shaped valve setting in the cavity, seal assembly can dismantle the connection on the frock body, the frock body is opened has the oil circuit structure with the cavity intercommunication, makes outer oil return seal.

Further, the oil circuit structure includes a pressure oil port, an oil return port and a control oil port, and the pressure oil port, the oil return port and the control oil port are arranged at the bottom of the tool body.

Further, the pressure oil port is communicated with the side face of the cavity, and the pressure oil port supplies oil to the oil inlet end of the special-shaped valve to be detected.

Furthermore, the control oil port is communicated with the cavity and supplies oil to the valve core of the special-shaped valve to be detected.

Furthermore, the oil return port is positioned between the pressure oil port and the control oil port and communicated with the bottom of the cavity.

Further, the sealing assembly comprises an upper sealing flange piece arranged at the top of the tool body and a side sealing flange piece arranged on the side face of the tool body.

Furthermore, a control oil way is arranged in the upper sealing flange part, an oil inlet of the control oil way is positioned on the outer wall of the upper sealing flange part, an oil outlet of the control oil way is positioned at the top of the inner cavity of the upper sealing flange part, and the control oil way is communicated with the control oil port.

Furthermore, a first sealing ring is arranged at the top of the inner cavity of the upper sealing flange, and at least one second sealing ring is arranged on the outer wall of the upper sealing flange.

Furthermore, a check ring is arranged on the side sealing flange piece and used for limiting the movement displacement of the side sealing flange piece in the tool body and avoiding the separation of the side sealing flange piece and the tool body; the locking screw is detachably connected with the tool body, and a handle is arranged on the side sealing flange piece.

Furthermore, at least one third sealing ring is arranged on the outer wall of the side sealing flange part body.

To sum up, the utility model discloses following beneficial effect has:

1. the valve body is placed in the inner cavity of the tool body, the working environment of the valve body is simulated for detection, errors of manual positioning cannot occur, and sealing of each oil way of the valve body is guaranteed.

2. The tool body is provided with a pressure oil port, an oil return port and a control oil port, so that the position of an external oil circuit is determined, the external pipeline is fixed, and each piece does not need to be connected with an oil pipe in a test.

3. All set up a plurality of sealing washers on last sealed flange spare and the side seal flange spare, improve the sealing performance of frock, avoid the oil leak phenomenon to take place.

4. When the special-shaped valve is replaced, oil supply is only required to be stopped, the upper sealing flange piece and the side sealing flange piece are removed from fixation, the special-shaped valve is taken out and replaced, the pipeline does not need to be fixed again, the operation flow of workers is simplified, and the detection experiment efficiency is improved.

Drawings

FIG. 1 is a schematic cross-sectional view of an external oil return special-shaped valve test tool;

FIG. 2 is a schematic side view of an external oil return special-shaped valve test tool.

In the figure, 1, a tool body; 11. a pressure oil port; 12. an oil return port; 13. a control oil port; 2. an upper sealing flange member; 21. a first seal ring; 22. a second seal ring; 23. controlling an oil path; 3. a side sealing flange member; 31. a retainer ring; 311. a handle; 32. locking the screw; 33. and a third sealing ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the following device of the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention. To make the objects, features and advantages of the present invention more comprehensible, please refer to the attached drawings. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limitation of the implementation of the present invention, so that the present invention does not have the essential significance in the technology, and any modification of the structure, change of the ratio relationship or adjustment of the size should still fall within the scope of the technical content disclosed in the present invention without affecting the function and the achievable purpose of the present invention.

Example (b): the utility model provides an outer oil return special-shaped valve test frock, as shown in figure 1, includes the frock body 1 and seal assembly, and it has the cavity to open in the frock body 1, and the special-shaped valve setting that awaits measuring is in the cavity. The sealing assembly is detachably connected to the tool body 1 and used for sealing the tool body 1. The working environment of the special-shaped valve is simulated by using the tool body 1 for testing.

As shown in fig. 1, the tool body 1 is provided with an oil path structure communicated with the cavity, the oil path structure comprises a pressure oil port 11, an oil return port 12 and a control oil port 13, the pressure oil port 11, the oil return port 12 and the control oil port 13 are arranged at the bottom of the tool body 1, and pipelines of the three are vertically arranged. The pressure oil port 11 is communicated with the side face of the cavity, and the pressure oil port 11 supplies oil to an oil inlet end of the special-shaped valve to be detected; the control oil port 13 is communicated with the cavity, and the control oil port 13 supplies oil to a valve core of the special-shaped valve to be detected. When the hydraulic control system works, the pressure oil port 11, the oil return port 12 and the control oil port 13 are respectively connected with a fixed external pipeline. In the process of the experiment, the special-shaped valve is replaced without fixing the external pipeline again, and the operation of workers is simplified.

As shown in fig. 1, the sealing assembly includes an upper sealing flange member 2 disposed at the top of the tool body 1 and a side sealing flange member 3 disposed at the side of the tool body 1.

As shown in fig. 1, a control oil path 23 is formed in the upper sealing flange 2, a path of the control oil path 23 is arranged in a zigzag shape, an oil inlet of the control oil path 23 is located on the outer wall of the upper sealing flange 2, the control oil path 23 is communicated with the control oil port 13 through the oil inlet, and an oil outlet of the control oil path 23 is located at the top of the inner cavity of the upper sealing flange 2. During the test, oil is injected from the control oil port 13, then the oil flows into the control oil path 23, and finally the oil outlet of the control oil path 23 is communicated with the control oil port of the tested valve, so that the valve core state of the special-shaped valve is realized. The top of the inner cavity of the sealing flange part is provided with a first sealing ring 21, the outer wall of the upper sealing flange part 2 is provided with at least one second sealing ring 22, the number of the second sealing rings 22 in the embodiment is two, and the first sealing ring 21 and the second sealing ring 22 are mainly used for filling gaps and improving the sealing performance. The first seal ring 21 and the second seal ring 22 are preferably made of oil-resistant rubber, which is selected because the inside of the tool is in an oil working environment.

Referring to fig. 1 and 2, the side sealing flange 3 is provided with a retaining ring 31, the retaining ring 31 is circular, the radius of the retaining ring 31 is larger than that of the body of the side sealing flange 3, and when the side sealing flange 3 is fixed, the retaining ring 31 abuts against the side surface of the tool body 1. The retainer ring 31 is detachably connected with the tool body 1 through a locking screw 32, wherein the locking screw 32 is arranged in a cross shape, which is beneficial to ensuring stress balance. The retainer ring 31 is provided with a handle 311, the handle 311 is located at the center of the retainer ring 31, and a worker can drive the side sealing flange member 3 to move by pulling the handle 311. At least one third sealing ring 33 is arranged on the outer wall of the body of the side sealing flange member 3, the number of the third sealing rings 33 is two in the embodiment, and the third sealing rings 33 are made of oil-resistant rubber.

The specific implementation process comprises the following steps: the special-shaped valve to be detected is placed in the tool body 1, and then the upper sealing flange piece 2 and the side sealing flange piece 3 are installed to seal the tool body 1. And then the pressure oil port 11, the oil return port 12 and the control oil port 13 are connected with corresponding external pipelines. The oil is injected through the pressure oil port 11, and the quality of the special-shaped valve is judged by a worker through checking the oil return condition of the oil return port 12. Meanwhile, the valve core of the special-shaped valve is controlled to move by changing the flow change at the control oil port 13, so that the oil return amount of the special-shaped valve is changed. After the detection is finished, the upper sealing flange part 2 and the side sealing flange part 3 are dismounted to take out the special-shaped valve for replacement, and then the next special-shaped valve can be replaced. The detection oil is always in a closed loop, and the cleanliness of the oil liquid for the test is ensured.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides an outer experimental frock of oil return dysmorphism valve which characterized in that: including the frock body (1) and seal assembly, it has the cavity to open in the frock body (1), and the dysmorphism valve setting that awaits measuring is in the cavity, seal assembly can dismantle the connection on the frock body (1), the frock body (1) is opened has the oil circuit structure with the cavity intercommunication, makes outer oil return seal.

2. The test tool for the external oil return special-shaped valve according to claim 1, characterized in that: the oil circuit structure comprises a pressure oil port (11), an oil return port (12) and a control oil port (13), wherein the pressure oil port (11), the oil return port (12) and the control oil port (13) are arranged at the bottom of the tool body (1).

3. The test tool for the external oil return special-shaped valve according to claim 2, characterized in that: the pressure oil port (11) is communicated with the side face of the cavity, and the pressure oil port (11) supplies oil to the oil inlet end of the special-shaped valve to be detected.

4. The test tool for the external oil return special-shaped valve according to claim 3, characterized in that: the control oil port (13) is communicated with the cavity, and the control oil port (13) supplies oil to the valve core of the special-shaped valve to be detected.

5. The test tool for the external oil return special-shaped valve according to claim 4, characterized in that: the oil return port (12) is positioned between the pressure oil port (11) and the control oil port (13) and is communicated with the bottom of the cavity.

6. The test tool for the external oil return special-shaped valve according to claim 5, characterized in that: the sealing assembly comprises an upper sealing flange piece (2) arranged at the top of the tool body (1) and a side sealing flange piece (3) arranged on the side face of the tool body (1).

7. The test tool for the external oil return special-shaped valve according to claim 6, characterized in that: a control oil way (23) is arranged in the upper sealing flange piece (2), an oil inlet of the control oil way (23) is located on the outer wall of the upper sealing flange piece (2), an oil outlet of the control oil way (23) is located at the top of an inner cavity of the upper sealing flange piece (2), and the control oil way (23) is communicated with the control oil port (13).

8. The test tool for the external oil return special-shaped valve according to claim 7, characterized in that: the top of the inner cavity of the upper sealing flange piece (2) is provided with a first sealing ring (21), and the outer wall of the upper sealing flange piece (2) is provided with at least one second sealing ring (22).

9. The test tool for the external oil return special-shaped valve according to claim 6, characterized in that: the side sealing flange piece (3) is provided with a check ring (31) which limits the movement displacement of the side sealing flange piece (3) in the tool body (1) and avoids the separation of the side sealing flange piece and the tool body; the locking screw (32) is detachably connected with the tool body (1), and a handle (311) is arranged on the side sealing flange piece (3).

10. The test tool for the external oil return special-shaped valve according to claim 6, characterized in that: and at least one third sealing ring (33) is arranged on the outer wall of the body of the side sealing flange piece (3).