Sealing detection device for instruments and meters

Abstract

The utility model belongs to the technical field of detection devices, and particularly relates to a sealing detection device for instruments and meters, which comprises a box body, the upper end of the box body is in contact with a cover, the outer side of the cover is in contact with a limiting plate, the outer side of the box body is fixedly connected with a limiting block, and the upper end of the limiting plate is fixedly connected with a connecting rod. The connecting rod is in contact with the cover, a guide rod is fixedly connected to the interior of the connecting rod, and a guide block is fixedly connected to the upper end of the cover. By arranging the sealing gasket, the supporting rod, the second spring and other components, after the cover and the box body are installed, the sealing gasket can be driven to be attached to the supporting plate through the elastic force of the second spring, and therefore the sealing performance between the cover and the box body is effectively improved; the problems that the sealing effect of the joint of the cover and the box body is poor and the vacuum effect of detection is easily influenced when the sealing detection device of the instrument and the apparatus is used are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of detection devices, in particular to a sealing detection device for instruments and meters. Background Art

[0002] The sealing detection device of the instrument is a special device used to evaluate the sealing effect of the instrument. It can detect the sealing performance of the instrument and make quantitative evaluation through different test methods. According to the utility model disclosed in the patent authorization announcement number CN214843347U, an instrument detection device based on virtual instrument includes a shell, an instrument is fixedly installed in the shell, an LED digital tube is inlaid and installed on the outer side of the shell, the LED digital tube and the instrument are electrically connected to each other, a switching switch is electrically connected to the instrument, one end of the switching switch is electrically connected and installed with a test end, the switching switch is inlaid and installed on the shell, the test end is set through the shell, a sealing area is formed in the shell, a detection end is arranged in the sealing area, and the detection end is electrically connected and installed at the other end of the switching switch, a plurality of LED light-emitting elements are arranged in the LED digital tube, a prompter is installed in series on one or several LED light-emitting elements corresponding to the circuit, and the prompter is inlaid and installed on the side of the shell; the actual error of the instrument can be known, when the data is inaccurate, the wrong LED light-emitting element is in a powered state, and then prompts are given in time through the prompter. However, when the sealing detection device of the instrument is in use, the sealing effect of the connection between the cover and the box body is not good, which can easily affect the vacuum effect of the detection. Utility Model Content

[0003] The utility model aims to provide a sealing detection device for instruments and meters, which solves the problem that the sealing effect of the connection between the cover and the box body of the sealing detection device of the instrument and meter is poor when in use, which easily affects the vacuum effect of the detection.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sealing detection device for instruments and meters, comprising a box body, the upper end of the box body contacts with a cover, the outer side of the cover contacts with a limit plate, the outer side of the box body is fixedly connected to the limit block, the upper end of the limit plate is fixedly connected to a connecting rod, the connecting rod contacts with the cover, the inside of the connecting rod is fixedly connected with a guide rod, the upper end of the cover is fixedly connected to the guide block, a first spring is arranged on the outer side of the guide rod, and a sealing mechanism is arranged on the cover.

[0005] Preferably, the limiting plate is in contact with the box body, and the limiting plate is slidably connected to the limiting block. The limiting plate can play a limiting role on the cover through the design of the limiting plate.

[0006] Preferably, the guide block is slidably connected to the connecting rod. The guide block is slidably connected to the guide rod. Through the design of the guide block, the connecting rod can be guided.

[0007] Preferably, one end of the first spring contacts the guide block, and the other end of the first spring contacts the connecting rod. Through the design of the first spring, the limiting plate can be driven to limit the cover.

[0008] Preferably, the sealing mechanism includes a sealing gasket, a sealing gasket is slidably connected to the inside of the cover, a support plate is fixedly connected to the inner wall of the box body, a support rod is fixedly connected to the lower end of the cover, the support rod is slidably connected to the sealing gasket, and a second spring is provided on the outer side of the support rod, one end of the second spring is in contact with the sealing gasket, and the other end of the second spring is in contact with the support rod, so that the cover and the box body are installed and the sealing gasket is slid into the box body and the sealing gasket is in contact with the support plate, so that the sealing gasket drives the limiting ring to slide on the support rod and the sealing gasket squeezes the second spring, so that the elastic force of the second spring drives the sealing gasket to fit the support plate, thereby effectively increasing the sealing between the cover and the box body.

[0009] Preferably, the sealing gasket is slidably connected to the box body, and the sealing gasket is in contact with the support plate. The design of the sealing gasket can increase the sealing performance between the cover and the box body.

[0010] Preferably, a limiting ring is fixedly connected inside the sealing gasket, and the limiting ring is slidably connected to the support rod. The limiting ring can play a limiting role on the sealing gasket through the design of the limiting ring.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model is provided with a sealing gasket, a support rod, a second spring and other components, so that after the cover and the box body are installed, the elastic force of the second spring drives the sealing gasket to fit with the support plate, thereby effectively increasing the sealing between the cover and the box body, and solving the problem that the sealing effect of the connection between the cover and the box body of the sealing detection device of the instrument is poor when in use, which easily affects the vacuum effect of the detection.

[0013] 2. The utility model provides a limit plate, a limit block, a first spring and other components, so that the first spring can drive the limit plate and the limit block to slide and sleeve together, so that the limit plate can limit the lid, so that the lid and the box body can remain stable and avoid the phenomenon that the second spring lifts the lid. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0015] Figure 2 For the utility model Figure 1 A three-dimensional diagram of the local structure;

[0016] Figure 3For the utility model Figure 1 A front cross-sectional view of

[0017] Figure 4 For the utility model Figure 3 A magnified view of the structure of section A.

[0018] In the figure: 1. box body; 2. cover; 3. limit plate; 31. limit block; 32. connecting rod; 33. guide rod; 34. guide block; 35. first spring; 4. sealing mechanism; 41. sealing gasket; 42. support plate; 43. support rod; 44. limit ring; 45. second spring. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0020] See also Figure 1-4 , a sealing detection device for an instrument and meter comprises a box body 1, the upper end of the box body 1 contacts with a cover 2, the outer side of the cover 2 contacts with a limiting plate 3, the outer side of the box body 1 is fixedly connected to a limiting block 31, the limiting plate 3 contacts with the box body 1, the limiting plate 3 is slidably connected to the limiting block 31, and the design of the limiting plate 3 can limit the cover 2, the upper end of the limiting plate 3 is fixedly connected with a connecting rod 32, the connecting rod 32 contacts with the cover 2, and the inside of the connecting rod 32 is fixedly connected with a guide rod 33, the upper end of the cover 2 is fixedly connected with a guide block 34, the guide block 34 is slidably connected to the connecting rod 32, and the guide block 34 is slidably connected to the guide rod 33, and the design of the guide block 34 can guide the connecting rod 32, and a first spring 35 is arranged on the outer side of the guide rod 33, one end of the first spring 35 contacts with the guide block 34, and the other end of the first spring 35 contacts with the connecting rod 32, and the design of the first spring 35 can drive the limiting plate 3 to limit the cover 2, and a sealing mechanism 4 is arranged on the cover 2.

[0021] See also Figure 2-4The sealing mechanism 4 includes a sealing gasket 41, the inner part of the cover 2 is slidably connected with the sealing gasket 41, the inner wall of the box body 1 is fixedly connected with a support plate 42, the sealing gasket 41 is slidably connected to the box body 1, the sealing gasket 41 contacts the support plate 42, and the design of the sealing gasket 41 can increase the sealing between the cover 2 and the box body 1, the lower end of the cover 2 is fixedly connected with a support rod 43, the support rod 43 is slidably connected to the sealing gasket 41, the inner part of the sealing gasket 41 is fixedly connected with a limiting ring 44, the limiting ring 44 is slidably connected to the support rod 43, and the design of the limiting ring 44 can limit the sealing gasket 41.

[0022] See also Figure 2-4 A second spring 45 is provided on the outer side of the support rod 43, one end of the second spring 45 contacts the sealing gasket 41, and the other end of the second spring 45 contacts the support rod 43, so that the cover 2 and the box body 1 are installed, and the sealing gasket 41 slides into the box body 1, so that the sealing gasket 41 contacts the support plate 42, so that the sealing gasket 41 drives the limiting ring 44 to slide on the support rod 43, so that the sealing gasket 41 squeezes the second spring 45, and the elastic force of the second spring 45 drives the sealing gasket 41 to fit with the support plate 42, thereby effectively increasing the sealing between the cover 2 and the box body 1.

[0023] The specific implementation process of the utility model is as follows: when in use, the limiting plate 3 is moved in the direction away from the cover 2, so that the limiting plate 3 drives the connecting rod 32 to move, so that the guide rod 33 inside the connecting rod 32 slides in the guide block 34, and the connecting rod 32 squeezes the first spring 35, and then the cover 2 and the box body 1 are installed, so that the sealing gasket 41 slides into the box body 1, so that the sealing gasket 41 contacts the support plate 42, so that the sealing gasket 41 drives the limiting ring 44 to slide on the support rod 43, so that the sealing gasket 41 squeezes the second spring 45, and the elastic force of the second spring 45 drives the sealing gasket 41 to fit with the support plate 42, thereby effectively increasing the sealing between the cover 2 and the box body 1; then the limiting plate 3 is loosened, so that the elastic force of the first spring 35 drives the connecting rod 32 to move, so that the connecting rod 32 drives the limiting plate 3 to move, so that the limiting plate 3 and the limiting block 31 are slidably connected, so that the limiting plate 3 has a limiting effect on the cover 2, and the cover 2 and the box body 1 can be installed stably.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sealing detection device for an instrument, comprising a box (1), characterized in that: The upper end of the box body (1) contacts a cover (2), the outer side of the cover (2) contacts a limit plate (3), the outer side of the box body (1) is fixedly connected to a limit block (31), the upper end of the limit plate (3) is fixedly connected to a connecting rod (32), the connecting rod (32) contacts the cover (2), the interior of the connecting rod (32) is fixedly connected to a guide rod (33), the upper end of the cover (2) is fixedly connected to a guide block (34), the outer side of the guide rod (33) is provided with a first spring (35), and the cover (2) is provided with a sealing mechanism (4).

2. The sealing detection device for an instrument according to claim 1, characterized in that: The limiting plate (3) is in contact with the box body (1), and the limiting plate (3) is slidably connected to the limiting block (31).

3. The sealing detection device for an instrument according to claim 1, characterized in that: The guide block (34) is slidably connected to the connecting rod (32), and the guide block (34) is slidably connected to the guide rod (33).

4. The sealing detection device for an instrument according to claim 1, characterized in that: One end of the first spring (35) contacts the guide block (34), and the other end of the first spring (35) contacts the connecting rod (32).

5. The sealing detection device for an instrument according to claim 1, characterized in that: The sealing mechanism (4) comprises a sealing gasket (41), the interior of the cover (2) is slidably connected to the sealing gasket (41), the inner wall of the box body (1) is fixedly connected to a support plate (42), the lower end of the cover (2) is fixedly connected to a support rod (43), the support rod (43) is slidably connected to the sealing gasket (41), a second spring (45) is arranged on the outer side of the support rod (43), one end of the second spring (45) is in contact with the sealing gasket (41), and the other end of the second spring (45) is in contact with the support rod (43).

6. The sealing detection device for an instrument according to claim 5, characterized in that: The sealing gasket (41) is slidably connected to the box body (1), and the sealing gasket (41) is in contact with the support plate (42).

7. The sealing detection device for an instrument according to claim 5, characterized in that: A limiting ring (44) is fixedly connected inside the sealing pad (41), and the limiting ring (44) is slidably connected to the support rod (43).

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