Vacuum box type helium detection device capable of realizing rapid butt joint

Abstract

The utility model relates to the technical field of vacuum box type helium leak detection, in particular to a vacuum box type helium leak detection device capable of realizing quick butt joint, which comprises a fixed seat, the fixed seat is positioned at the bottom end of the whole device, air cylinders are fixedly mounted at symmetrical ends of the fixed seat, air rods are mounted at output ends of the air cylinders, an outer cylinder is mounted between the air rods, and the outer cylinder is connected with the fixed seat. A vacuum pump is installed at the top end of the outer cylinder, an inner cylinder is sleeved with the outer cylinder, a rotating assembly is installed at the bottom end of the inner cylinder, and the bottom end of the inner cylinder communicates with a connecting pipe. The helium detection device controls a gas rod through a cylinder to adjust the height of an outer cylinder, a storage cavity on an inner cylinder leaks out, a sealing cover can be manually opened and closed to place a test workpiece, a vacuum channel and an opening are adjusted to be in a communicated state through forward and reverse rotation of a rotating assembly, and the vacuum channel at the bottom end of a vacuum pump is rapidly in butt joint with the opening of the inner cylinder. An opening in the other end of the inner cylinder is in butt joint with the inflation inlet, and the state of the workpiece is accurately judged through the high-precision helium leak detection instrument at the bottom end.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum box type helium leak detection, in particular to a quick-jointed vacuum box type helium detection device. Background Art

[0002] Vacuum box helium leak detection is based on the basic leak detection principle of helium leak detection. Helium is used as the tracer gas. The operator places the workpiece in the vacuum box and connects the workpiece interface with the connector in the vacuum box. After the vacuum box door is closed, the system can automatically complete the entire process of large leak detection, workpiece strength detection, evacuation, helium filling, leak detection, and recovery. The production cycle is fast and the leak detection accuracy is high.

[0003] When using the existing helium detection device, the object needs to be placed in the device before vacuum extraction. However, the traditional device is inconvenient to place, and the poor internal sealing will cause large-area helium extraction, resulting in test accuracy. At the same time, it is not convenient for helium detection and reduces the detection efficiency. A quick-connect vacuum box helium detection device is needed to solve this problem. Utility Model Content

[0004] The utility model aims to provide a quick-connect vacuum box type helium detection device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a quick-dock vacuum box-type helium detection device, comprising a fixed seat, the fixed seat is located at the bottom end of the entire device, cylinders are fixedly installed on the symmetrical ends of the fixed seat, gas rods are installed at the output ends of the cylinders, an outer tube is installed between the gas rods, a vacuum pump is installed at the top of the outer tube, an inner tube is sleeved in the outer tube, a rotating assembly is installed at the bottom end of the inner tube, the bottom end of the inner tube is connected to a connecting pipe, and the other end of the connecting pipe is connected to a helium leak detector.

[0006] As an optimal technical solution of the utility model, a fixed plate is installed on the rotating assembly, a slide rail is fixedly installed on the fixed plate, a sliding block is slidably connected to the slide rail, a motor is fixedly installed on the sliding block, a main shaft is installed on the output end of the motor, a first bevel gear is fixedly installed on the main shaft, and a second bevel gear is meshed with the bottom end of the first bevel gear.

[0007] As a preferred technical solution of the utility model, a connecting frame is installed on the main shaft, the other end of the connecting frame is slidably connected to the slide rail through a sliding member, a pillar is fixedly installed on the top of the connecting frame, and an inner cylinder is fixedly installed on the top of the pillar.

[0008] As an optimal technical solution of the utility model, the bottom end of the vacuum pump is connected to a vacuum channel, the bottom end of the vacuum channel is connected to the opening on the inner tube and fits tightly, and an inflation port is installed on the outer tube, and the inflation port fits tightly with the other end opening in the inner tube.

[0009] As a preferred technical solution of the utility model, a connecting block is fixedly installed on the top end of the gas rod, and the connecting block is located on the inner wall of the outer tube and is fixedly connected.

[0010] As a preferred technical solution of the utility model, a storage cavity is opened in the inner cylinder, and a sealing cover is installed at the outer end of the storage cavity for sealing.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] (1) The utility model is a vacuum box type helium detection device with quick docking. The helium detection device provided in the device adjusts the height of the outer cylinder by controlling the gas rod through the cylinder, so that the storage cavity on the inner cylinder leaks out, which is convenient for manually opening and closing the sealing cover to place the test workpiece. The vacuum channel and the opening are adjusted to be in a connected state by rotating the assembly forward and reverse, so that the vacuum channel at the bottom of the vacuum pump can be quickly docked with the opening of the inner cylinder, and the opening at the other end of the inner cylinder can be docked with the inflation port, and the state of the workpiece can be accurately judged by the high-precision helium leak detector at the bottom. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] 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 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.

[0014] Figure 1 It is a structural schematic diagram of a quick-dock vacuum box-type helium detection device according to an embodiment of the utility model;

[0015] Figure 2 It is a schematic diagram of the internal structure of a quick-connect vacuum box-type helium detection device according to an embodiment of the utility model;

[0016] Figure 3 It is a structural schematic diagram of a rotating assembly of a vacuum box type helium detection device with quick docking according to an embodiment of the utility model.

[0017] Reference numerals:

[0018] 1. Fixed seat; 2. Cylinder; 3. Air rod; 4. Connecting block; 5. Outer tube; 6. Inflating port; 7. Vacuum pump; 8. Rotating assembly; 9. Vacuum channel; 10. Opening; 11. Inner cavity; 12. Inner tube; 13. Sealing cover; 14. Storage cavity; 15. Fixed plate; 16. Slide rail; 17. Sliding block; 18. Motor; 19. Main shaft; 20. First bevel gear; 21. Second bevel gear; 22. Connecting frame; 23. Sliding part; 24. Support; 25. Connecting pipe; 26. Helium leak detector. DETAILED DESCRIPTION

[0019] Below, in conjunction with the accompanying drawings and specific implementation methods, the utility model is further described: Example

[0020] See also Figure 1 to Figure 2 Embodiment 1 is described, comprising a fixed seat 1, the fixed seat 1 is located at the bottom end of the entire device, a cylinder 2 is fixedly installed on the symmetrical ends of the fixed seat 1, a gas rod 3 is installed on the output end of the cylinder 2, an outer tube 5 is installed between the gas rods 3, a vacuum pump 7 is installed on the top of the outer tube 5, an inner tube 12 is sleeved in the outer tube 5, a rotating assembly 8 is installed at the bottom end of the inner tube 12, a connecting pipe 25 is connected to the bottom end of the inner tube 12, and a helium leak detector 26 is connected to the other end of the connecting pipe 25, a vacuum channel 9 is connected to the bottom end of the vacuum pump 7, and the bottom end of the vacuum channel 9 is connected to the opening 10 on the inner tube 12 and fits tightly, an inflation port 6 is installed on the outer tube 5, and the inflation port 6 is tightly fitted with the other end opening 10 in the inner tube 12, a connecting block 4 is fixedly installed on the top end of the gas rod 3, the connecting block 4 is on the inner wall of the outer tube 5 and is fixedly connected, a storage cavity 14 is opened in the inner tube 12, and a sealing cover 13 is installed at the outer end of the storage cavity 14 for sealing;

[0021] In this embodiment, the provided air cylinder 2 can control the air rod 3 to adjust the height of the outer cylinder 5, so that the storage cavity 14 on the inner cylinder 12 leaks out, making it convenient to manually open and close the sealing cover 13 to place the test workpiece. Example

[0022] See also Figure 2 to Figure 3 Example 2 is described. This embodiment further describes Example 1, including a rotating assembly 8, a fixed disk 15 is installed on the rotating assembly 8, a slide rail 16 is fixedly installed on the fixed disk 15, a sliding block 17 is slidably connected to the slide rail 16, a motor 18 is fixedly installed on the sliding block 17, a main shaft 19 is installed on the output end of the motor 18, a first bevel gear 20 is fixedly installed on the main shaft 19, a second bevel gear 21 is meshed at the bottom end of the first bevel gear 20, a connecting frame 22 is installed on the main shaft 19, the other end of the connecting frame 22 is slidably connected to the slide rail 16 through a sliding member 23, a pillar 24 is fixedly installed on the top of the connecting frame 22, and an inner cylinder 12 is fixedly installed on the top of the pillar 24;

[0023] In this embodiment, the forward and reverse rotation of the rotating assembly 8 is set to realize the forward and reverse rotation of the inner cylinder 12 at the top of the connecting frame 22, so that the vacuum channel 9 at the bottom of the vacuum pump 7 can quickly connect with the opening 10 of the inner cylinder 12, and the opening 10 at the other end of the inner cylinder 12 can be connected with the inflation port 6.

[0024] In specific application, the inner cylinder 12 of the helium detection device provided in the device is in the inner cavity of the outer cylinder 5, and the height of the outer cylinder 5 is adjusted by controlling the gas rod 3 through the cylinder 2, so that the storage cavity 14 on the inner cylinder 12 leaks out, which is convenient for manually opening and closing the sealing cover 13 to place the test workpiece, wherein the inner cylinder 12 can adjust the vacuum channel 9 and the opening 10 to be in a connected state by the forward and reverse rotation of the rotating component 8, and the rotation of the first bevel gear 20 on the main shaft 19 is driven by the rotation of the motor 18. Since the first bevel gear 20 is meshed with the second bevel gear 21, the motor 18 is driven to slide and connect on the slide rail 16 on the fixed plate 15 through the sliding block 17, so as to realize the forward and reverse rotation of the inner cylinder 12 at the top of the connecting frame 22, so as to facilitate the vacuum channel 9 at the bottom end of the vacuum pump 7 to quickly dock with the opening 10 of the inner cylinder 12, and the opening 10 at the other end of the inner cylinder 12 is docked with the inflation port 6, so as to facilitate the inner cylinder 12 to be evacuated and helium to be introduced, and the state of the workpiece can be accurately judged through the high-precision helium leak detector 26 at the bottom, and the whole device is simple and convenient to operate, and is suitable for popularization and use.

[0025] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top end", "bottom end", etc. is based on the orientation or positional relationship shown in the drawings, and is 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 of the present invention; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 an indirect connection through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A quick-connect vacuum box helium detection device, characterized in that: The invention comprises a fixed seat (1), wherein the fixed seat (1) is located at the bottom end of the entire device, a cylinder (2) is fixedly mounted on the symmetrical ends of the fixed seat (1), a gas rod (3) is mounted on the output end of the gas cylinder (2), an outer cylinder (5) is mounted between the gas rods (3), a vacuum pump (7) is mounted on the top end of the outer cylinder (5), an inner cylinder (12) is sleeved inside the outer cylinder (5), a rotating assembly (8) is mounted on the bottom end of the inner cylinder (12), a connecting pipe (25) is connected to the bottom end of the inner cylinder (12), the other end of the connecting pipe (25) is connected to a helium leak detector (26), a fixed plate (15) is mounted on the rotating assembly (8), a slide rail (16) is fixedly mounted on the fixed plate (15), a sliding block (17) is slidably connected to the slide rail (16), and a motor (26) is fixedly mounted on the sliding block (17). 18), a main shaft (19) is installed at the output end of the motor (18), a first bevel gear (20) is fixedly installed on the main shaft (19), a second bevel gear (21) is meshed at the bottom end of the first bevel gear (20), a connecting frame (22) is installed on the main shaft (19), the other end of the connecting frame (22) is slidably connected to the slide rail (16) through a sliding member (23), a support (24) is fixedly installed at the top end of the connecting frame (22), an inner cylinder (12) is fixedly installed at the top end of the support (24), a vacuum channel (9) is connected to the bottom end of the vacuum pump (7), the bottom end of the vacuum channel (9) is connected to the opening (10) on the inner cylinder (12) and fits tightly, and an inflation port (6) is installed on the outer cylinder (5), the inflation port (6) is tightly fitted with the other end opening (10) in the inner cylinder (12).

2. A quick-connect vacuum box helium detection device according to claim 1, characterized in that: A connection block (4) is fixedly mounted on the top end of the gas rod (3); the connection block (4) is located on the inner wall of the outer cylinder (5) and is fixedly connected.

3. The quick-connect vacuum box helium detection device according to claim 1, characterized in that: A storage cavity (14) is provided in the inner cylinder (12), and a sealing cover (13) is installed at the outer end of the storage cavity (14) for sealing.

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