Vacuum leak detector

Abstract

The utility model discloses a vacuum leak detector, which comprises a shell, a mounting seat and a detection cavity, one end of the mounting seat is connected in the shell, the other end of the mounting seat penetrates through the top of the shell and extends out of the shell, a first sealing ring is arranged between the top of the shell and the mounting seat, the first sealing ring is provided with a mounting groove matched with the contact surface of the shell, and the detection cavity is arranged in the mounting groove. The detection cavity is detachably connected to the top of the mounting base, the mounting base is provided with a detection channel communicated with a detection cavity in the detection cavity, and an air tightness detection mechanism is arranged in the shell and communicated with the detection channel. The device has the advantages that the structure is simple, the size is small, movement is convenient, and the detection cavity and the host shell are integrated.

Description

Technical Field

[0001] The utility model relates to the technical field of food and medicine packaging, in particular to a vacuum leak detector. Background Art

[0002] The vacuum leak detector using the vacuum decay method can perform non-destructive and high-precision detection of the sealing quality of packaging containers, meeting the sampling, verification, and testing needs of scientific research institutions such as pharmaceutical company R&D centers and quality departments, colleges and universities, and research institutes. However, the detection chamber of the existing vacuum leak detector is often separated from the main body shell, which results in a large size of the vacuum leak detector, which is not easy to move, and cannot adapt to the detection of containers of multiple specifications, and has poor adaptability. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a vacuum leak detector which has a simple structure, a small volume, is easy to move, and has an integrated detection cavity and a mainframe shell.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] A vacuum leak detector comprises a shell, a mounting seat and a detection cavity, wherein one end of the mounting seat is connected to the shell, and the other end passes through the top of the shell and extends to the outside of the shell, a first sealing ring is arranged between the top of the shell and the mounting seat, and the first sealing ring is provided with a mounting groove matching the contact surface of the shell, the detection cavity is detachably connected to the top of the mounting seat, the mounting seat is provided with a detection channel connected to a detection cavity in the detection cavity, an airtight detection mechanism is arranged in the shell, and the airtight detection mechanism is connected to the detection channel.

[0006] As a further improvement of the above technical solution:

[0007] A second sealing ring is provided between the detection cavity and the mounting seat.

[0008] The detection cavity comprises a lower cavity and an upper cavity, the upper cavity cover is arranged on the lower cavity, and a third sealing ring is arranged between the two, the lower cavity is connected to the mounting seat, and the detection channel is arranged in the lower cavity.

[0009] Sealing parts are provided at both ends of the upper cavity, the sealing parts are in contact with the side surfaces of the lower cavity, and the third sealing ring is located on the top surface of the lower cavity.

[0010] The shell includes a lower sub-shell, a rear sub-shell and a front upper sub-shell connected to the lower sub-shell, and a first side sub-shell and a second side sub-shell located therebetween. A mounting opening for a mounting seat to pass through is provided between the rear sub-shell and the front upper sub-shell, and the first sealing ring is provided on the mounting opening.

[0011] The sub-shells are connected via buckles and threaded connectors.

[0012] The bottom of the mounting seat is detachably connected to the lower sub-shell.

[0013] Each of the sub-shells is a curved surface.

[0014] The front upper sub-shell is provided with a human-machine interaction screen, and the human-machine interaction screen is connected to the airtight detection mechanism.

[0015] The detection cavity is connected to the mounting seat via a buckle.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The vacuum leak detector disclosed by the utility model has a detection cavity installed on the top of the shell through a mounting seat, has a compact structure, a small size and is easy to move. The airtight detection mechanism in the shell can detect the airtightness change of the product in the detection cavity through a detection channel. A first sealing ring is provided between the top of the shell and the mounting seat. Generally speaking, the contact surface between the mounting seat and the first sealing ring is a cylindrical surface that is easy to fit, while the contact surface between the shell and the first sealing ring is not a regular cylindrical surface. Therefore, the first sealing ring is provided with a mounting groove that matches the contact surface of the shell, so that the first sealing ring can fit with the shell, thereby ensuring the sealing between the mounting seat and the shell and improving the detection accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the main structure of the vacuum leak detector of the utility model.

[0019] Figure 2 It is a schematic diagram of the top view of the structure of the vacuum leak detector of the utility model.

[0020] Figure 3 It is a schematic diagram of the cross-sectional structure of the vacuum leak detector of the utility model.

[0021] The numbers in the figure represent: 1. shell; 11. lower sub-shell; 12. rear sub-shell; 13. front upper sub-shell; 14. first side sub-shell; 15. second side sub-shell; 16. buckle; 17. threaded connector; 18. human-machine interaction screen; 2. mounting seat; 21. detection channel; 3. detection cavity; 31. detection cavity; 32. lower cavity; 33. upper cavity; 34. third sealing ring; 35. sealing part; 4. airtight detection mechanism; 5. first sealing ring; 51. mounting groove; 6. second sealing ring; 7. buckle. DETAILED DESCRIPTION

[0022] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0023] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", 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.

[0024] 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 the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0025] In the present invention, unless otherwise clearly specified and limited, the terms "assemble", "connect", "connect", "fix" and the like 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between 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] Figures 1 to 3 An embodiment of the utility model is shown. The vacuum leak detector of this embodiment includes a shell 1, a mounting base 2 and a detection cavity 3. One end of the mounting base 2 is connected to the shell 1, and the other end passes through the top of the shell 1 and extends to the outside of the shell 1. A first sealing ring 5 is provided between the top of the shell 1 and the mounting base 2. The first sealing ring 5 is provided with a mounting groove 51 matching the contact surface of the shell 1. The detection cavity 3 is detachably connected to the top of the mounting base 2. The mounting base 2 is provided with a detection channel 21 connected to the detection cavity 31 in the detection cavity 3. An airtight detection mechanism 4 is provided in the shell 1, and the airtight detection mechanism 4 is connected to the detection channel 21.

[0027] The vacuum leak detector has a detection cavity 1 installed on the top of the shell 1 through a mounting base 2. It has a compact structure, a small size and is easy to move. The airtightness detection mechanism 4 in the shell 1 can detect the airtightness changes of the product in the detection cavity 31 through a detection channel 21. A first sealing ring 5 is provided between the top of the shell 1 and the mounting base 2. Generally speaking, the contact surface between the mounting base 2 and the first sealing ring 5 is a cylindrical surface that is easy to fit, while the contact surface between the shell 1 and the first sealing ring 5 is not a regular cylindrical surface. Therefore, the first sealing ring 5 is provided with a mounting groove 51 that matches the contact surface of the shell 1, so that the first sealing ring 5 can fit with the shell 1, thereby ensuring the sealing between the mounting base 2 and the shell 1 and improving the detection accuracy.

[0028] like Figure 3 As shown, in this embodiment, a second sealing ring 6 is provided between the detection cavity 3 and the mounting seat 2 to ensure the sealing between the detection cavity 3 and the mounting seat 2, and further improve the airtightness detection effect of the product in the detection cavity 3.

[0029] like Figure 1 and Figure 3 As shown, in this embodiment, the detection cavity 3 includes a lower cavity 32 and an upper cavity 33, the upper cavity 33 is covered on the lower cavity 32, and a third sealing ring 34 is provided between the two, the lower cavity 32 is connected to the mounting seat 2, and the detection channel 21 is provided in the lower cavity 32. When the upper cavity 33 is covered on the lower cavity 32, the third sealing ring 34 is pressed tightly to ensure the sealing between the upper cavity 33 and the lower cavity 32, and further improve the air tightness detection effect of the product in the detection cavity 3.

[0030] like Figure 3 As shown, in this embodiment, sealing parts 35 are provided at both ends of the upper cavity 33, the sealing parts 35 abut against the side of the lower cavity 32, and the third sealing ring 34 is located on the top surface of the lower cavity 32. The sealing part 35 abuts against the lower cavity 32 and combines with the third sealing ring 34 to form an inverted L-shaped sealing structure, further improving the sealing effect.

[0031] like Figure 2 As shown, in this embodiment, the housing 1 includes a lower housing 11, a rear housing 12 and a front upper housing 13 connected to the lower housing 11, and a first side housing 14 and a second side housing 15 located between the three. A mounting opening for the mounting seat 2 to pass through is provided between the rear housing 12 and the front upper housing 13, and the first sealing ring 5 is provided on the mounting opening. To facilitate the manufacture of the housing 1, the mounting opening is located between the rear housing 12 and the front upper housing 13, which is convenient for the installation of the first sealing ring 5.

[0032] like Figure 3 As shown, in this embodiment, each sub-shell is connected by a buckle 16 and a threaded connector 17. The structure is simple and easy to assemble and disassemble.

[0033] like Figure 3As shown, in this embodiment, the bottom of the mounting seat 2 is detachably connected to the lower sub-shell 11, so as to facilitate the disassembly and assembly of the mounting seat 2 and the shell 1.

[0034] like Figures 1 to 3 As shown, in this embodiment, each sub-shell has a curved surface, and has a soft and beautiful appearance.

[0035] like Figure 2 As shown, in this embodiment, a human-machine interaction screen 18 is provided on the front upper sub-shell 13, and the human-machine interaction screen 18 is connected to the airtightness detection mechanism 4, so that the operator can observe and set airtightness related parameters.

[0036] like Figure 1 and Figure 3 As shown, in this embodiment, the detection cavity 3 is connected to the mounting base 2 by a buckle 7. The structure is simple and easy to assemble and disassemble.

[0037] Although the present invention has been disclosed as a preferred embodiment, it is not intended to limit the present invention. Any technician familiar with the art can use the above disclosed technical content to make many possible changes and modifications to the technical solution of the present invention without departing from the scope of the technical solution of the present invention, or modify it into an equivalent embodiment with equivalent changes. Therefore, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention should fall within the scope of protection of the technical solution of the present invention.

Claims

1. A vacuum leak detector, characterized in that: The invention comprises a shell (1), a mounting seat (2) and a detection cavity (3); one end of the mounting seat (2) is connected to the inside of the shell (1), and the other end passes through the top of the shell (1) and extends to the outside of the shell (1); a first sealing ring (5) is provided between the top of the shell (1) and the mounting seat (2); the first sealing ring (5) is provided with a mounting groove (51) matching the contact surface of the shell (1); the detection cavity (3) is detachably connected to the top of the mounting seat (2); the mounting seat (2) is provided with a detection channel (21) connected to a detection cavity (31) in the detection cavity (3); an airtight detection mechanism (4) is provided in the shell (1); the airtight detection mechanism (4) is connected to the detection channel (21).

2. The vacuum leak detector according to claim 1, characterized in that: A second sealing ring (6) is provided between the detection cavity (3) and the mounting seat (2).

3. The vacuum leak detector according to claim 1, characterized in that: The detection cavity (3) comprises a lower cavity (32) and an upper cavity (33); the upper cavity (33) is covered on the lower cavity (32), and a third sealing ring (34) is provided between the two; the lower cavity (32) is connected to the mounting seat (2), and the detection channel (21) is provided in the lower cavity (32).

4. The vacuum leak detector according to claim 3, characterized in that: Sealing parts (35) are provided at both ends of the upper cavity (33), the sealing parts (35) are in contact with the side surfaces of the lower cavity (32), and the third sealing ring (34) is located on the top surface of the lower cavity (32).

5. The vacuum leak detector according to any one of claims 1 to 4, characterized in that: The housing (1) comprises a lower housing (11), a rear housing (12) and a front upper housing (13) connected to the lower housing (11), and a first side housing (14) and a second side housing (15) located between the three. An installation opening for a mounting seat (2) to pass through is provided between the rear housing (12) and the front upper housing (13), and the first sealing ring (5) is provided on the installation opening.

6. The vacuum leak detector according to claim 5, characterized in that: The sub-shells are connected via buckles (16) and threaded connectors (17).

7. The vacuum leak detector according to claim 5, characterized in that: The bottom of the mounting seat (2) is detachably connected to the lower sub-shell (11).

8. The vacuum leak detector according to claim 5, characterized in that: Each of the sub-shells is a curved surface.

9. The vacuum leak detector according to claim 5, characterized in that: The front upper sub-shell (13) is provided with a human-machine interaction screen (18), and the human-machine interaction screen (18) is connected to the airtight detection mechanism (4).

10. The vacuum leak detector according to any one of claims 1 to 4, characterized in that: The detection cavity (3) is connected to the mounting seat (2) via a buckle (7).

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