CN223551250U - Detection tool for testing part leakage - Google Patents
Detection tool for testing part leakageInfo
- Publication number
- CN223551250U CN223551250U CN202422911143.XU CN202422911143U CN223551250U CN 223551250 U CN223551250 U CN 223551250U CN 202422911143 U CN202422911143 U CN 202422911143U CN 223551250 U CN223551250 U CN 223551250U
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- Prior art keywords
- air
- mounting groove
- passage
- groove
- sealing
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Abstract
本实用新型涉及一种用于测试零件泄漏的检测工装，检测工装包括标准密封球、连接接头、增压组件，所述连接接头内贯穿开设有气路，所述气路一端与所述增压组件相连通，另一端开设有安装槽，所述气路的一端开口与所述安装槽之间设有标准密封球限位槽，所述标准密封限位槽与所述标准密封球相适配，并开设有连通所述安装槽与所述气路的通气槽，以使当所述安装槽外缘与所述待检测零件上设有所述开口的端面密封抵接时，所述标准密封球两端分别抵接于所述密封面与所述标准密封球限位槽，所述安装槽通过通气槽与气路保持连通，所述增压组件能够向所述安装槽与气路内充气增压。与现有技术相比，本实用新型具有检测效率高、易上手、提高返工效率等优点。
This utility model relates to a testing fixture for testing leaks in parts. The testing fixture includes a standard sealing ball, a connecting joint, and a pressurizing component. An air passage is formed through the connecting joint. One end of the air passage is connected to the pressurizing component, and the other end has a mounting groove. A standard sealing ball limiting groove is provided between the opening of one end of the air passage and the mounting groove. The standard sealing ball limiting groove is adapted to the standard sealing ball and has a vent groove connecting the mounting groove and the air passage. When the outer edge of the mounting groove seals against the end face of the part to be tested with the opening, both ends of the standard sealing ball abut against the sealing surface and the standard sealing ball limiting groove, respectively. The mounting groove is connected to the air passage through the vent groove. The pressurizing component can pressurize the mounting groove and the air passage. Compared with the prior art, this utility model has advantages such as high testing efficiency, ease of use, and improved rework efficiency.
Description
Technical Field
The utility model relates to the technical field of detection machinery, in particular to a detection tool for detecting part leakage.
Background
One type of part with a sealing surface is provided with a cavity at one end, and the inner wall of the cavity is a sealing surface, as shown in fig. 5 and 6. When parts of this type are introduced into the market, vacuum test experiments are required, the general leakage test requirement being that in the case of @24 "Hg, 2S is maintained and the gauge reduction cannot exceed 1" Hg.
Because the leakage detection requirement is high, the requirement on the quality and skill of detection personnel is also high, and the difficulty and efficiency of leakage detection are greatly limited.
At present, a device capable of reducing the difficulty of detecting the tightness of the parts without affecting the accuracy of detection is lacking.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide a detection tool for detecting part leakage.
The aim of the utility model can be achieved by the following technical scheme:
The technical proposal of the utility model is to provide a detection tool for detecting leakage of parts, one end surface of the part to be detected is provided with a conical surface convex part, the conical surface convex part is provided with a passage along the convex direction, the inner edge of an opening at one end of the passage is provided with a sealing surface,
The detection tool comprises a standard sealing ball, a connecting joint and a pressurizing assembly,
An air passage is arranged in the connecting joint in a penetrating way, one end of the air passage is communicated with the pressurizing assembly, the other end of the air passage is provided with a mounting groove, a standard sealing ball limiting groove is arranged between an opening at one end of the air passage and the mounting groove,
The standard sealing limit groove is matched with the standard sealing ball, and is provided with a ventilation groove which is communicated with the mounting groove and the air channel, so that when the outer edge of the mounting groove is in sealing abutting joint with the end face of the part to be detected, which is provided with the opening, the two ends of the standard sealing ball are respectively abutted against the sealing face and the standard sealing ball limit groove, the mounting groove is communicated with the air channel through the ventilation groove, and the pressurizing assembly can charge air into the mounting groove and the air channel;
When the sealing surface is well sealed with the standard sealing ball, the pressure in the mounting groove and the gas path is kept;
And when the sealing surface is poorly sealed with the standard sealing ball, the pressure in the mounting groove and the air path is leaked outwards through a channel.
In some specific embodiments, a circle of groove is arranged on the outer edge surface of the mounting groove along the periphery of the opening of the air path, a sealing ring is arranged in the groove, and two sides of the sealing ring are respectively in sealing butt joint with the groove and the end face of the part to be detected, which is provided with the opening.
In some embodiments, the pressurized air assembly includes an air tube connected to the air path, and an air pump connected to the air tube.
In some specific embodiments, one end of the air pipe is provided with an air pipe joint in sealing connection with the air path, and the other end of the air pipe is provided with a pressure reducing valve connected with the air pump.
In some embodiments, the air pipe is provided with an on-off valve.
In some embodiments, the connection joint is further provided with a pressure gauge for detecting the air pressure of the air path.
In some specific embodiments, a detection passage communicated with the air passage is formed in the top of the connecting joint, one end of the detection passage is communicated with the air passage, and the other end of the detection passage is connected with the pressure gauge.
In some embodiments, the detection tool further comprises a push rod for fixing the part to be detected, and the end face, away from the cavity, of the part to be detected abuts against the end part of the connecting rod of the push rod.
In some embodiments, the link ends are provided with shims.
In some embodiments, the push rod is fixed on a bottom plate, and the connecting joint is also fixed on the bottom plate.
Compared with the prior art, the utility model has the following beneficial effects:
(1) The detection tool is a comprehensive detection tool, has high detection efficiency, and is easy to quickly judge on site.
(2) The detection tool has low requirements on the skill level of staff, and can independently complete the detection by mastering basic detection skills.
(3) The reworking efficiency is improved, namely the parts which are tested to be qualified by the detection tool are used in the subsequent working procedures, the problem of leakage caused by quality problems is avoided, and the delivery efficiency is greatly improved.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is an exploded view of the structure of the present utility model.
Fig. 3 is a schematic perspective view of the connecting joint of the present utility model.
Fig. 4 is a side view of the structure of the connection joint of the present utility model.
Fig. 5 is a schematic perspective view of a part to be inspected.
Fig. 6 is a structural side view of the part to be inspected.
The figures are identified as follows:
1 is a push rod, 2 is a pressure gauge, 3 is a switch valve, 4 is a pressure reducing valve, 5 is an air pipe joint, 6 is a standard sealing ball, 7 is a sealing ring, 8 is an air pipe, 9 is a bolt, 10 is a bottom plate, 11 is a connecting joint, 11-1 is a detection passage, 11-2 is an air passage, 11-3 is an air channel, 11-4 is a groove, 12 is a part to be detected, and 13 is an air pump.
Detailed Description
The utility model will now be described in detail with reference to the drawings and specific examples. The present embodiment is implemented on the premise of the technical scheme of the present utility model, and a detailed implementation manner and a specific operation process are given, but the protection scope of the present utility model is not limited to the following examples.
It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
Some embodiments of the present utility model are described in detail below with reference to the accompanying drawings. The embodiments described below and features of the embodiments may be combined with each other without conflict.
In the following embodiments, unless otherwise specified, functional components or structures are indicated as conventional components or structures adopted in the art to achieve the corresponding functions.
Example 1:
As shown in fig. 5 to 6, a conical surface protrusion is provided on one end surface of the part 12 to be detected, a channel is provided along the protrusion direction of the conical surface protrusion, and a sealing surface is provided at the inner edge of one end opening of the channel.
As shown in fig. 1 to 4, the tool for detecting leakage of a test part comprises a standard sealing ball 6, a connecting joint 11 and a pressurizing assembly,
An air passage 11-2 is arranged in the connecting joint 11 in a penetrating way, one end of the air passage 11-2 is communicated with the pressurizing assembly, the other end of the air passage is provided with a mounting groove, a standard sealing ball limiting groove is arranged between an opening at one end of the air passage 11-2 and the mounting groove,
The standard sealing limit groove is matched with the standard sealing ball 6, an air vent groove 11-3 which is communicated with the mounting groove and the air channel 11-2 is formed, so that when the outer edge of the mounting groove is in sealing abutting joint with the end face of the part to be detected 12 provided with the opening, two ends of the standard sealing ball 6 are respectively abutted against the sealing face and the standard sealing ball limit groove, the mounting groove is communicated with the air channel 11-2 through the air vent groove 11-3, and the pressurizing assembly can charge air into the mounting groove and the air channel 11-2;
When the sealing surface is well sealed with the standard sealing ball 6, the mounting groove is kept in pressure with the air channel 11-2;
When the sealing surface is not sealed with the standard sealing ball 6, the pressure in the mounting groove and the air path 11-2 is leaked outwards through a channel.
In the technical scheme, whether the channel of the part 12 to be detected flows into the channel 11-2 is judged by the pressure maintaining capability of the channel 11-2, and when the channel is leaked due to the fact that the channel 11-2 cannot be maintained in pressure, an air flow channel from the channel 11-2 to the channel through the vicinity of the standard sealing ball 6 is formed. When leakage does not occur, this air flow path is closed. Namely, leakage does not occur when the structure of the part 12 to be detected (the sealing surface of the channel is sealed with the standard sealing ball 6) is up to the standard, and leakage occurs when the structure of the part 12 to be detected is not up to the standard.
In order to improve the detection accuracy, a circle of groove 11-4 is formed in the outer periphery of the opening of the air channel 11-2 on the outer edge surface of the mounting groove, a sealing ring 7 is arranged in the groove 11-4, and two sides of the sealing ring 7 are respectively in sealing butt joint with the groove 11-4 and the end face of the part 12 to be detected, which is provided with the opening.
The pressurizing assembly comprises an air pipe 8 connected with the air passage 11-2 and an air pump 13 connected with the air pipe 8. One end of the air pipe 8 is provided with an air pipe joint 5 which is in sealing connection with the air passage 11-2, the other end of the air pipe 8 is provided with a pressure reducing valve 4 which is connected with an air pump 13, and the air pipe 8 is provided with a switch valve 3. Illustratively, the pressure reducing valve 4 is a pressure reducing valve with a meter, the switch valve 3 is a manual valve quick connector switch, the air pressure in the air channel 11-2 is regulated to a specified value through the pressure reducing valve 4, and the switch valve 3 is closed to keep a sealing state so as to detect the tightness of the part 12 to be detected.
The top of the connecting joint 11 is provided with a detection passage 11-1 communicated with the air passage 11-2, one end of the detection passage 11-1 is communicated with the air passage 11-2, and the other end is connected with the pressure gauge 2. The tightness of the part 12 to be detected is reflected by monitoring the pressure of the gas path 11-2 through the pressure gauge 2.
The detection tool further comprises a push rod 1 for fixing the part 12 to be detected, and the end face, away from the cavity, of the part 12 to be detected abuts against the end part of the connecting rod of the push rod 1. Illustratively, the push rod 1 may be an elbow clamp transverse-compression type quick clamp. In order to avoid the damage to the part 12 to be detected, a gasket is arranged at the end part of the connecting rod.
The bottom plate 10, the push rod 1 and the connecting joint 11 are respectively connected and fixed through bolts 9 so as to keep the stability of the part 12 to be detected and the connecting joint 11.
The utility model provides an operation mode of a detection tool, which comprises the following steps:
During operation, the bottom plate 10 is fixed with the connecting joint 11 and the push rod 1 through the bolts 9, the connecting joint 11 is connected with the pressure gauge 2, the air pipe joint 5, the air pipe 8, the switching valve 3, the pressure reducing valve 4 and the air pump 13, the switching valve 3 on the air pipe 8 is closed, the pressure reducing valve 4 to 0.08MPa is regulated, the connecting joint 11 is sequentially filled with the standard sealing ball 6, the sealing ring 7 and the part 12 to be detected, the push rod 1 pushes the standard sealing ball 6 to the standard sealing ball limiting groove at the port of the air channel 11-2 through the part 12 to be detected, so that the outer edge of the mounting groove of the connecting joint 11 is in sealing contact with the end face of the part 12 to be detected, and two ends of the standard sealing ball 6 are respectively in contact with the sealing face and the standard sealing ball limiting groove and fix the part 12 to be detected. After the connection is completed, the air pump 13 and the switch valve 3 are opened, and when the air pressure of the pressure gauge 2 is confirmed to be 0.08MPa, the switch valve 3 is closed. And (5) observing the pressure value of the pressure gauge 2, keeping for 4 seconds, and judging that the pressure is reduced by less than 0.0067MPa, and otherwise, judging that the pressure is not qualified.
The previous description of the embodiments is provided to facilitate a person of ordinary skill in the art in order to make and use the present utility model. It will be apparent to those skilled in the art that various modifications can be readily made to these embodiments and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present utility model is not limited to the above-described embodiments, and those skilled in the art, based on the present disclosure, should make improvements and modifications without departing from the scope of the present utility model.
Claims (10)
1. A detection tool for detecting leakage of a part is provided, wherein one end face of the part (12) to be detected is provided with a conical surface convex part, a passage is arranged on the conical surface convex part along the convex direction, the inner edge of the opening at one end of the passage is provided with a sealing surface, which is characterized in that the detection tool comprises a standard sealing ball (6), a connecting joint (11) and a pressurizing assembly,
An air passage (11-2) is arranged in the connecting joint (11) in a penetrating way, one end of the air passage (11-2) is communicated with the pressurizing assembly, the other end of the air passage is provided with a mounting groove, a standard sealing ball limiting groove is arranged between an opening at one end of the air passage (11-2) and the mounting groove,
The standard sealing ball limiting groove is matched with the standard sealing ball (6), an air vent groove (11-3) which is communicated with the mounting groove and the air channel (11-2) is formed, so that when the outer edge of the mounting groove is in sealing butt joint with the end face of the part (12) to be detected, which is provided with the opening, the two ends of the standard sealing ball (6) are respectively in butt joint with the sealing face and the standard sealing ball limiting groove, the mounting groove is communicated with the air channel (11-2) through the air vent groove (11-3), and the pressurizing assembly can be used for pressurizing the air in the mounting groove and the air channel (11-2);
When the sealing surface is well sealed with the standard sealing ball (6), the mounting groove is kept in pressure with the air channel (11-2);
When the sealing surface is not sealed with the standard sealing ball (6), the pressure in the mounting groove and the air path (11-2) is leaked outwards through a channel.
2. The detection tool according to claim 1, wherein a circle of groove (11-4) is formed in the outer periphery of the opening of the air channel (11-2) on the outer edge surface of the mounting groove, a sealing ring (7) is arranged in the groove (11-4), and two sides of the sealing ring (7) are respectively in sealing butt joint with the groove (11-4) and the end face of the part (12) to be detected, which is provided with the opening.
3. The detection tool according to claim 1, wherein the pressurizing assembly comprises an air pipe (8) connected with the air path (11-2), and an air pump connected with the air pipe (8).
4. A detection tool according to claim 3, wherein one end of the air pipe (8) is provided with an air pipe joint (5) in sealing connection with the air path (11-2), and the other end of the air pipe (8) is provided with a pressure reducing valve (4) connected with the air pump.
5. The detection tool according to claim 4, wherein the air pipe (8) is provided with an on-off valve (3).
6. The detection tool according to claim 1, wherein the connection joint (11) is further provided with a pressure gauge (2) for detecting the air pressure of the air passage (11-2).
7. The detection tool according to claim 6, wherein a detection passage (11-1) communicated with the air passage (11-2) is formed in the top of the connecting joint (11), one end of the detection passage (11-1) is communicated with the air passage (11-2), and the other end of the detection passage is connected with the pressure gauge (2).
8. The detection tool according to claim 1, further comprising a push rod (1) for fixing the part (12) to be detected, wherein an end surface of the part (12) to be detected, which is far away from the passage, abuts against a connecting rod end of the push rod (1).
9. The inspection tool of claim 8 wherein the link ends are provided with shims.
10. The detection tool according to claim 8, wherein the push rod (1) is fixed on a bottom plate (10), and the connecting joint (11) is further fixed on the bottom plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422911143.XU CN223551250U (en) | 2024-11-28 | 2024-11-28 | Detection tool for testing part leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422911143.XU CN223551250U (en) | 2024-11-28 | 2024-11-28 | Detection tool for testing part leakage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223551250U true CN223551250U (en) | 2025-11-14 |
Family
ID=97628884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422911143.XU Active CN223551250U (en) | 2024-11-28 | 2024-11-28 | Detection tool for testing part leakage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223551250U (en) |
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2024
- 2024-11-28 CN CN202422911143.XU patent/CN223551250U/en active Active
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