Low-noise air compression test probe

Abstract

The utility model relates to the technical field of test probes, and provides a low-noise air compression test probe, which comprises a shell, the left side of the shell is fixedly connected with an installation cylinder, the inner wall of the shell is provided with installation grooves which are opposite up and down, installation blocks are fixedly installed in the installation grooves, and the inner walls of the installation blocks are in threaded connection with positioning bolts. Front and back opposite guide grooves are formed in the right end of the inner wall of the shell, annular grooves are formed in the left side ends of the guide grooves, and vertically opposite limiting grooves are formed in the left sides of the annular grooves. According to the utility model, through the cooperation of the housing, the installation groove, the installation block, the positioning bolt, the guide groove, the annular groove, the limiting groove, the positioning block and the positioning hole, the probe body can be rapidly replaced, and a tester can rapidly replace the probe head in different test environments or for different test objects. Therefore, the time for replacing the probe is greatly shortened, and the overall test efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of test probes, in particular to a low-noise air compression test probe. Background Art

[0002] Test probe technology is widely used in various industrial and scientific fields to measure the physical, chemical or electrical properties of materials. Air compression test probe is a special type in this field, which uses compressed air as the medium to measure or detect, such as the air tightness, porosity or other characteristics related to air flow of the material.

[0003] Currently, the prior art lacks probes with a quick replacement mechanism, and the replacement process is cumbersome and time-consuming, which slows down the test process, especially when the probes need to be replaced frequently to adapt to different test environments or test objects, resulting in reduced repeatability and reliability of test results.

[0004] In view of this, the utility model provides a low-noise air compression test probe. Utility Model Content

[0005] The utility model provides a low-noise air compression test probe, which solves the problem of the lack of a probe with a quick replacement mechanism in the prior art of the related art.

[0006] The technical solution of the utility model is as follows: a low-noise air compression test probe, comprising a shell, a mounting tube fixedly connected to the left side of the shell, an inner wall of the shell is provided with mounting grooves opposite to each other up and down, a mounting block is fixedly installed inside the mounting groove, a positioning bolt is threadedly connected to the inner wall of the mounting block, a front-to-back opposite guide groove is provided at the right end of the inner wall of the shell, an annular groove is provided at the left end of the guide groove, a top-to-bottom opposite limiting groove is provided on the left side of the annular groove, the guide groove, the annular groove and the limiting groove are coaxially arranged, a positioning block is slidably connected inside the limiting groove, a positioning hole is provided at the top end of the inner wall of the positioning block, and a probe body is fixedly connected between the two positioning blocks.

[0007] Preferably, the positioning bolt is arranged through the inner wall of the housing, the positioning bolt is threadedly connected to the positioning hole, and the positioning bolt and the positioning hole are arranged correspondingly.

[0008] Preferably, the shape and size of the positioning block match the guide groove, and the width of the positioning block matches the annular groove.

[0009] Preferably, a mounting frame is fixedly mounted on the front side of the housing, and a display screen is fixedly mounted on the inner wall of the mounting frame.

[0010] Preferably, a connecting rod is fixedly installed on the right side of the probe body, and a pull ring is fixedly connected to the right side of the connecting rod.

[0011] Preferably, a protective layer is provided on the outer surface of the installation tube, a sound insulation layer is provided inside the protective layer, and a sound absorption layer is provided inside the sound insulation layer.

[0012] Preferably, the mounting tube is made of aluminum alloy, and the protective layer is made of polyurethane.

[0013] Preferably, the sound insulation layer is made of rubber material, and the sound absorption layer is made of glass wool material.

[0014] The working principle and beneficial effects of the utility model are:

[0015] In the utility model, the rapid replacement effect of the probe body is achieved through the cooperation of the shell, mounting groove, mounting block, positioning bolt, guide groove, annular groove, limit groove, positioning block and positioning hole, which allows the tester to quickly replace the probe head in different test environments or for different test objects, which greatly shortens the time required to replace the probe, improves the overall test efficiency, and ensures that the same installation position is maintained each time the probe is replaced, which helps to improve the repeatability and accuracy of the test and greatly improves the practical performance of the probe.

[0016] In the utility model, by installing the tube, the protective layer, the sound insulation layer and the sound absorption layer, the noise reduction effect of the probe body during use is achieved, the noise generated during the test process is significantly reduced, a more comfortable working environment is provided for the operator and the surrounding personnel, and the risk of hearing damage caused by long-term exposure to a noisy environment is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0018] Figure 1 It is an isometric stereoscopic schematic diagram of the utility model;

[0019] Figure 2 It is a schematic diagram of the three-dimensional structure of the shell of the utility model;

[0020] Figure 3 It is a schematic diagram of the internal structure of the shell of the utility model;

[0021] Figure 4 This is a schematic diagram of the split structure of the installation block of the utility model;

[0022] Figure 5 It is a schematic diagram of the cross-sectional structure of the installation tube of the utility model.

[0023] In the figure: 1. outer shell; 2. mounting frame; 3. display screen; 4. mounting tube; 5. mounting groove; 6. mounting block; 7. positioning bolt; 8. guide groove; 9. annular groove; 10. limit groove; 11. positioning block; 12. positioning hole; 13. probe body; 14. connecting rod; 15. pull ring; 16. protective layer; 17. sound insulation layer; 18. sound absorption layer. DETAILED DESCRIPTION

[0024] The following will be combined with 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 of 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. Example

[0025] The preferred embodiment of the low-noise air compression test probe provided by the utility model is as follows: Figures 1 to 5 As shown: a low-noise air compression test probe, including a shell 1, a mounting tube 4 is fixedly connected to the left side of the shell 1, the shell 1 has a fixing effect on the mounting tube 4, the inner wall of the shell 1 is provided with mounting grooves 5 opposite to each other up and down, and a mounting block 6 is fixedly installed inside the mounting groove 5, in order to further improve the stability of the mounting block 6, the inner wall of the mounting block 6 is threaded with a positioning bolt 7, the right end of the inner wall of the shell 1 is provided with a front-to-back opposite guide groove 8, the left end of the guide groove 8 is provided with an annular groove 9, and the left side of the annular groove 9 is provided with an upper and lower opposite limiting groove 10, the guide groove 8, the annular groove 9, and the limiting groove 10 are coaxially arranged, the guide groove 8, the annular groove 9, and the limiting groove 10 are in a connected state, a positioning block 11 is slidably connected inside the limiting groove 10, a positioning hole 12 is provided at the top of the inner wall of the positioning block 11, and a probe body 13 is fixedly connected between the two positioning blocks 11, in order to further improve the stability of the probe body 13.

[0026] In this embodiment, the positioning bolt 7 is set through the inner wall of the shell 1, and the positioning bolt 7 is threadedly connected to the positioning hole 12. The positioning bolt 7 and the positioning hole 12 are set correspondingly. The positioning bolt 7 and the positioning hole 12 are screwed together to complete the fixation of the probe body 13.

[0027] In this embodiment, the shape and size of the positioning block 11 match the guide groove 8 , and the width of the positioning block 11 matches the annular groove 9 . Example

[0028] Based on Example 1, a preferred embodiment of the low-noise air compression test probe provided by the utility model is as follows: Figures 1 to 5As shown: a mounting frame 2 is fixedly installed on the front side of the shell 1, a display screen 3 is fixedly installed on the inner wall of the mounting frame 2, and a pressure sensor is arranged inside the probe body 13. During the detection process, the pressure is received by the data receiving element and displayed on the display screen 3, which is more convenient for the staff to view.

[0029] In this embodiment, a connecting rod 14 is fixedly installed on the right side of the probe body 13 , and the probe body 13 has a fixing effect on the connecting rod 14 . A pull ring 15 is fixedly connected to the right side of the connecting rod 14 , and the connecting rod 14 has a fixing effect on the pull ring 15 .

[0030] In this embodiment, a protective layer 16 is provided on the outer surface of the installation tube 4 , a sound insulation layer 17 is provided inside the protective layer 16 , and a sound absorption layer 18 is provided inside the sound insulation layer 17 .

[0031] In this embodiment, the mounting tube 4 is made of aluminum alloy, which is strong and durable and can provide a certain degree of sound isolation. The protective layer 16 is made of polyurethane, which has good elasticity and wear resistance and can effectively absorb impact and vibration, thereby reducing the spread of noise.

[0032] In this embodiment, the sound insulation layer 17 is made of rubber material, which can effectively block the propagation of sound waves, thereby achieving a sound insulation effect. The sound absorption layer 18 is made of glass wool material, which has good sound absorption performance and can effectively reduce the noise generated when the probe is running.

[0033] The working principle and use process of the utility model are as follows: first, when the probe body 13 needs to be installed, the positioning blocks 11 on both sides are aligned with the guide grooves 8 and pushed inward. The positioning blocks 11 enter the annular groove 9 after passing through the guide grooves 8. At this time, the pull ring 15 is rotated 90 degrees to make the positioning holes 12 match the positions of the positioning bolts 7. The installation of the probe body 13 can be completed by screwing the positioning bolts 7 and the positioning holes 12. When it is needed to use, the positioning bolts 7 are loosened and the pull ring 15 is pushed inward to make the positioning blocks 11 slide inside the limiting grooves 10. When the probe body 13 needs to be disassembled, the positioning blocks 11 are pulled back to the limiting grooves 10 by pulling the pull ring 15, and the pull ring 15 is rotated to make the positioning blocks 11 slide inside the limiting grooves 10 to a position opposite to the guide grooves 8. Continue to pull it outward to complete the disassembly of the probe body 13. The operation is simple and convenient, and can make the measuring Test personnel can quickly replace the probe head in different test environments or for different test objects, which greatly shortens the time required to replace the probe, improves the overall test efficiency, and ensures that the installation position is kept consistent each time the probe is replaced, which helps to improve the repeatability and accuracy of the test and greatly improves the practical performance of the probe. The mounting tube 4 is made of aluminum alloy, which can provide a certain degree of sound isolation. The protective layer 16 is made of polyurethane material. Polyurethane has good elasticity and wear resistance, and can effectively absorb impact and vibration, thereby reducing the propagation of noise. The sound insulation layer 17 is made of rubber material, which can effectively block the propagation of sound waves, thereby achieving the effect of sound insulation. The sound absorbing layer 18 is made of glass wool material, which has good sound absorption performance and can effectively reduce the noise generated during the operation of the probe, thereby significantly reducing the noise generated during the test, providing a more comfortable working environment for the operator and surrounding personnel.

[0034] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A low-noise air compression test probe, comprising a housing (1), characterized in that: The left side of the shell (1) is fixedly connected with a mounting cylinder (4); the inner wall of the shell (1) is provided with mounting grooves (5) opposed to each other in upper and lower directions; a mounting block (6) is fixedly installed inside the mounting groove (5); the inner wall of the mounting block (6) is threadedly connected with a positioning bolt (7); the right end of the inner wall of the shell (1) is provided with a front-to-rear opposing guide groove (8); the left end of the guide groove (8) is provided with an annular groove (9); the left side of the annular groove (9) is provided with a limiting groove (10) opposed to each other in upper and lower directions; the guide groove (8), the annular groove (9) and the limiting groove (10) are coaxially arranged; a positioning block (11) is slidably connected inside the limiting groove (10); the top end of the inner wall of the positioning block (11) is provided with a positioning hole (12); and a probe body (13) is fixedly connected between the two positioning blocks (11).

2. A low noise air compression test probe according to claim 1, characterized in that: The positioning bolt (7) is arranged to penetrate the inner wall of the housing (1), the positioning bolt (7) is threadedly connected to the positioning hole (12), and the positioning bolt (7) and the positioning hole (12) are arranged correspondingly.

3. A low noise air compression test probe according to claim 1, characterized in that: The shape and size of the positioning block (11) match the guide groove (8), and the width of the positioning block (11) matches the annular groove (9).

4. A low noise air compression test probe according to claim 1, characterized in that: A mounting frame (2) is fixedly mounted on the front side of the housing (1), and a display screen (3) is fixedly mounted on the inner wall of the mounting frame (2).

5. A low noise air compression test probe according to claim 1, characterized in that: A connecting rod (14) is fixedly mounted on the right side of the probe body (13), and a pull ring (15) is fixedly connected to the right side of the connecting rod (14).

6. A low noise air compression test probe according to claim 1, characterized in that: The outer surface of the installation tube (4) is provided with a protective layer (16), the inner side of the protective layer (16) is provided with a sound insulation layer (17), and the inner side of the sound insulation layer (17) is provided with a sound absorption layer (18).

7. A low noise air compression test probe according to claim 6, characterized in that: The material of the installation cylinder (4) is an aluminum alloy material, and the material of the protective layer (16) is a polyurethane material.

8. A low noise air compression test probe according to claim 6, characterized in that: The material of the sound insulation layer (17) is a rubber material, and the material of the sound absorption layer (18) is a glass wool material.

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