Protective device for pressure gauge verification

Abstract

The utility model relates to the field of pressure gauge protection, and discloses a protective device for pressure gauge verification, which comprises a box body, a protective cover is fixedly connected to the top of the inner wall of the box body, a motor is arranged in the protective cover, fan blades are fixedly connected to the outside of the motor, a main body is arranged below the fan blades, and the main body is fixedly connected with the box body. The exterior of the main body is fixedly connected to the bottom of the inner wall of a box body, a plurality of heat dissipation openings are formed in the two sides of the interior of the box body, a plurality of fixing blocks are fixedly connected to the two sides of the exterior of the box body, sliding grooves are formed in the fixing blocks, and sliding rails are fixedly connected to the interiors of the sliding grooves. According to the dust filtering device, the motor is started to drive the fan blades to rotate, heat in the box body is discharged through the heat dissipation openings through rotation of the fan blades, when the dust filtering plate needs to be taken out, the sliding rails arranged in the sliding grooves drive the sliding blocks to slide, the sliding blocks slide to drive the dust filtering plate to move, and the effect that the dust filtering plate can be taken out is achieved through movement of the dust filtering plate; and later replacement and cleaning are facilitated.

Description

Technical Field

[0001] The utility model relates to the field of pressure gauge protection, in particular to a protection device for pressure gauge calibration. Background Art

[0002] Pressure gauges are commonly used in various environments, including harsh industrial environments and laboratory conditions. The protective device used for calibration can protect the pressure gauge from external substances such as liquids and chemicals to ensure its long-term and stable operation. The accuracy of the pressure gauge is crucial for applications such as industrial process control and experimental research. The protective device used for calibration can protect the pressure gauge from physical damage and environmental changes to ensure the accuracy and reliability of its measurement results. Pressure gauges are usually expensive equipment and in many cases, they are difficult to repair or replace. The use of protective devices can reduce the time the pressure gauge is exposed to an environment that may be damaged or corrosive, thereby extending its service life. However, the current protective devices for pressure gauge calibration have the problem of a large amount of dust accumulated inside after long-term use, resulting in inaccurate pressure gauge detection readings and difficulty in removing the protective device. Utility Model Content

[0003] In order to make up for the above shortcomings, the utility model provides a protective device for pressure gauge calibration, aiming to improve the problem of inaccurate pressure gauge detection readings and difficulty in disassembling the protective device due to a large amount of dust accumulated inside for a long time.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a protective device for pressure gauge calibration, comprising a box body, a protective cover is fixedly connected to the top of the inner wall of the box body, a motor is arranged inside the protective cover, a fan blade is fixedly connected to the outside of the motor, a main body is arranged below the fan blade, the outside of the main body is fixedly connected to the bottom of the inner wall of the box body, a plurality of heat dissipation ports are provided on both sides of the interior of the box body, a plurality of fixed blocks are fixedly connected on both sides of the exterior of the box body, a slide groove is provided inside the fixed block, a slide rail is fixedly connected to the inside of the slide groove, a sliding block is slidably connected to the outside of the slide rail, a dust filter plate is fixedly connected to the outside of the sliding block, a quick disassembly mechanism is fixedly connected to the four ends of the inner wall of the box body, and the outside of the quick disassembly mechanism is fixedly connected to the bottom plate.

[0005] Preferably, the quick-disassembly mechanism includes a first connecting block, one side of the first connecting block is fixedly connected to the bottom of the inner wall of the box body, the outside of the first connecting block is fixedly connected to the second connecting block, both ends of the inside of the second connecting block are fixedly connected to telescopic rods, a spring is provided on the outside of the telescopic rod, one end of the telescopic rod is externally fixedly connected to a limiting block, one end of the limiting block is tightly attached to a fixed plate, the bottom of the fixed plate is fixedly connected to the first connecting rod, the outside of the first connecting rod is slidably connected to a moving block, one end of the first connecting rod is externally fixedly connected to the second connecting rod, and one end of the second connecting rod is externally fixedly connected to the top of the bottom plate.

[0006] Preferably, the first connecting block and the second connecting block are both hollow inside.

[0007] Preferably, the output end of the motor passes through the interior of the protective cover and is fixedly connected to the exterior of the fan blade.

[0008] Preferably, one end of each of the plurality of fixing blocks is externally fixedly connected to a limiting base, and one end of each of the dust filter plates is externally tightly attached to the top of the limiting base.

[0009] Preferably, a notch is provided inside the bottom plate, and one end of the outer portion of the box body is arranged inside the notch.

[0010] Preferably, telescopic blocks are fixedly connected to both sides of the second connecting rod, and springs are also provided inside the telescopic blocks.

[0011] Preferably, the moving block is made of rubber.

[0012] The utility model has the following beneficial effects:

[0013] 1. In the utility model, the fan blades are driven to rotate by starting the motor, and the heat inside the box is discharged through the heat dissipation port by the rotation of the fan blades. The dust filter plate arranged outside the box can prevent dust from entering the inside of the box. When the dust filter plate needs to be removed, the sliding block is driven to slide by the sliding rail arranged inside the slide groove, and the dust filter plate is moved by the sliding of the sliding block. The dust filter plate can be removed by the movement of the dust filter plate, which is convenient for later replacement and cleaning.

[0014] 2. In the utility model, the second connecting block is driven to move by pressing the first connecting block, the telescopic rod is driven to move by the movement of the second connecting block, the limit block is driven to move by the movement of the telescopic rod, and when the limit block moves to the bottom of the moving block, the first connecting block is moved upward to drive the moving block to move, and the limit block is moved to squeeze the limit block backward, and the limit block is moved backward to break away from the connection with the fixed plate, thereby releasing the connection between the box and the base. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A three-dimensional diagram of a protective device for pressure gauge calibration proposed by the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of a box of a protective device for pressure gauge calibration proposed by the utility model;

[0017] Figure 3 A schematic diagram of the internal structure of a protective cover of a pressure gauge calibration protection device proposed by the utility model;

[0018] Figure 4 for Figure 1 A in the enlarged view;

[0019] Figure 5 for Figure 3 Enlarged view of point B in .

[0020] Legend:

[0021] 1. Box body; 2. Bottom plate; 3. Protective cover; 4. Fan blades; 5. Heat dissipation port; 6. Motor; 7. Fixed block; 8. Slide groove; 9. Slide rail; 10. Sliding block; 11. Dust filter plate; 12. Limit base; 13. Main body; 14. Notch; 15. Quick disassembly mechanism; 16. First connecting block; 17. Second connecting block; 18. First connecting rod; 19. Telescopic rod; 20. Spring; 21. Limit block; 22. Second connecting rod; 23. Fixed plate; 24. Moving block; 25. Telescopic block. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings of the specification 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.

[0023] Reference Figure 1-Figure 4The utility model provides an embodiment: a protective device for pressure gauge calibration, comprising a box body 1, a protective cover 3 is fixedly connected to the top of the inner wall of the box body 1, a motor 6 is arranged inside the protective cover 3, a fan blade 4 is fixedly connected to the outside of the motor 6, an output end of the motor 6 passes through the inside of the protective cover 3 and is fixedly connected to the outside of the fan blade 4, a main body 13 is arranged below the fan blade 4, the outside of the main body 13 is fixedly connected to the bottom of the inner wall of the box body 1, a plurality of heat dissipation ports 5 are provided on both sides of the inside of the box body 1, a plurality of fixed blocks 7 are fixedly connected on both sides of the outside of the box body 1, a slide groove 8 is provided inside the fixed block 7, a slide rail 9 is fixedly connected to the inside of the slide groove 8, and the outside of the slide rail 9 slides A sliding block 10 is connected, and a dust filter plate 11 is fixedly connected to the outside of the sliding block 10. The four ends of the inner wall of the box body 1 are fixedly connected with a quick disassembly mechanism 15, and the outside of the quick disassembly mechanism 15 is fixedly connected to the bottom plate 2; the fan blades 4 are driven to rotate by starting the motor 6, and the rotation of the fan blades 4 can achieve the effect of discharging the heat of the box body 1 through the heat dissipation port 5, and the dust filter plate 11 arranged on the outside of the box body 1 can prevent dust from entering the inside of the box body 1. When the dust filter plate 11 needs to be removed, the sliding block 10 is driven to slide through the slide rail 9 arranged inside the slide groove 8, and the dust filter plate 11 is moved by the sliding of the sliding block 10, and the removal effect is achieved by the movement of the dust filter plate 11.

[0024] Reference Figure 1 , Figure 5 The quick disassembly mechanism 15 includes a first connecting block 16, one side of the first connecting block 16 is fixedly connected to the lower part of the inner wall of the box body 1, the outside of the first connecting block 16 is fixedly connected to the second connecting block 17, the inside of the first connecting block 16 and the second connecting block 17 are both hollow, and the two ends of the inside of the second connecting block 17 are fixedly connected to the telescopic rod 19, and the outside of the telescopic rod 19 is provided with a spring 20, one end of the telescopic rod 19 is externally fixedly connected to a limit block 21, and one end of the limit block 21 is tightly attached to the outside of a fixed plate 23, and the bottom of the fixed plate 23 is fixedly connected to the first connecting rod 18, and the outside of the first connecting rod 18 is slidably connected to a moving block 24, and the moving block 24 is made of rubber. One end of the first connecting rod 18 is externally fixedly connected to the second connecting rod The connecting rod 22, one end of the second connecting rod 22 is externally fixedly connected to the top of the bottom plate 2; the second connecting block 17 is driven downward by pressing the first connecting block 16, and the telescopic rod 19 is driven downward by the second connecting block 17, and the limit block 21 is driven downward by the telescopic rod 19. When the limit block 21 moves downward to the bottom of the moving block 24, the first connecting block 16 is moved upward to drive the moving block 24 to move upward, and the moving block 24 moves upward to achieve the effect of squeezing the limit block 21 backward, and the limit block 21 moves backward to achieve the effect of detaching from the connection with the fixed plate 23, and the first connecting block 16 and the second connecting block 17 are removed by detaching the connection between the limit block 21 and the fixed plate 23.

[0025] Reference Figure 1 , Figure 4 One end of the multiple fixed blocks 7 is fixedly connected to the limiting base 12, and one end of the dust filter plate 11 is tightly attached to the top of the limiting base 12; by fixing the limiting base 12 on the outside of one end of the fixed block 7, the bottom of the dust filter plate 11 can be limited to prevent the dust filter plate 11 from falling.

[0026] Reference Figure 2 A slot 14 is provided inside the bottom plate 2, and one end of the box body 1 is arranged outside the slot 14; the slot 14 provided inside the bottom plate 2 can provide a downward moving space for the box body 1.

[0027] Reference Figure 5 The second connecting rod 22 is fixedly connected to telescopic blocks 25 on both sides thereof, and a spring 20 is also provided inside the telescopic blocks 25; by fixing the telescopic blocks 25 on both sides of the second connecting rod 22, the second connecting rod 22 and the second connecting block 17 can be limited to prevent the second connecting block 17 from moving downward.

[0028] Working principle: When the device needs to be used, the fan blade 4 fixedly connected to the output end is driven to rotate by starting the motor 6, and the heat inside the box 1 is discharged through the heat dissipation port 5 by the rotation of the fan blade 4, and the dust filter plate 11 arranged outside the box 1 can prevent dust from entering the box 1. When the dust filter plate 11 needs to be taken out for replacement and cleaning, the sliding block 10 is driven to slide by the sliding rail 9 arranged inside the slide groove 8, and the dust filter plate 11 is driven to move upward by the sliding of the sliding block 10, and the dust filter plate 11 moves upward to achieve The dust filter plate 11 can be taken out, and the limiting base 12 arranged on the outside of one end of the plurality of fixed blocks 7 can limit the bottom of the dust filter plate 11 to prevent the dust filter plate 11 from falling. When the protective device needs to be taken out, the telescopic blocks 25 fixedly connected on both sides of the second connecting block 17 are first pressed into the second connecting block 17, and then the box body 1 is pressed to move downward. The notch 14 provided in the bottom plate 2 can provide space for the box body 1 when it moves downward. When the box body 1 moves downward, it drives the first connecting block 16 to move downward. The first connecting block 16 moves downward to drive the second connecting block 17 to move downward, and the second connecting block 17 moves downward to drive the telescopic rod 19 to move downward, and the telescopic rod 19 moves downward to drive the limit block 21 to move downward. When the limit block 21 moves downward to the bottom of the moving block 24, the first connecting block 16 moves upward to drive the second connecting block 17 to move upward, and the telescopic rod 19 moves upward through the second connecting block 17, and the limit block 21 moves upward through the telescopic rod 19. The moving block 24 moves upward through the limit block 21. When the moving block 24 moves upward to the bottom of the fixed plate 23 and cannot move upward, the moving block 24 will squeeze the limit block 21 so that the limit block 21 moves backward through the telescopic rod 19. When the limit block 21 moves backward to a certain position, the rubber moving block 24 can make one end of the limit block 21 detach from the connection with the fixed plate 23. The limit block 21 detaches from the connection with the fixed plate 23 to achieve the effect of taking out the box body 1, and the protective device can be disassembled by taking out the box body 1.

[0029] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. 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 protective device for pressure gauge calibration, comprising a box (1), characterized in that: The top of the inner wall of the box (1) is fixedly connected with a protective cover (3), a motor (6) is arranged inside the protective cover (3), a fan blade (4) is fixedly connected to the outside of the motor (6), a main body (13) is arranged below the fan blade (4), the outside of the main body (13) is fixedly connected to the bottom of the inner wall of the box (1), a plurality of heat dissipation openings (5) are provided on both sides of the inside of the box (1), a plurality of fixed blocks (7) are fixedly connected to both sides of the outside of the box (1), a slide groove (8) is provided inside the fixed block (7), a slide rail (9) is fixedly connected inside the slide groove (8), a sliding block (10) is slidably connected to the outside of the slide rail (9), a dust filter plate (11) is fixedly connected to the outside of the sliding block (10), and a quick disassembly mechanism (15) is fixedly connected to the four ends of the inner wall of the box (1), and the outside of the quick disassembly mechanism (15) is fixedly connected to the bottom plate (2).

2. A pressure gauge calibration protection device according to claim 1, characterized in that: The quick disassembly mechanism (15) comprises a first connecting block (16), one side of which is fixedly connected to the lower part of the inner wall of the box body (1), the first connecting block (16) is fixedly connected to the outside of the second connecting block (17), both ends of the inside of the second connecting block (17) are fixedly connected to telescopic rods (19), a spring (20) is provided on the outside of the telescopic rod (19), one end of the telescopic rod (19) is fixedly connected to a limiting block (21), one end of the limiting block (21) is tightly attached to a fixed plate (23), the bottom of the fixed plate (23) is fixedly connected to a first connecting rod (18), the outside of the first connecting rod (18) is slidably connected to a moving block (24), one end of the first connecting rod (18) is fixedly connected to the outside of the second connecting rod (22), and one end of the second connecting rod (22) is fixedly connected to the top of the bottom plate (2).

3. A pressure gauge calibration protection device according to claim 2, characterized in that: The first connecting block (16) and the second connecting block (17) are both hollow inside.

4. A pressure gauge calibration protection device according to claim 1, characterized in that: The output end of the motor (6) passes through the interior of the protective cover (3) and is fixedly connected to the exterior of the fan blade (4).

5. The protective device for pressure gauge calibration according to claim 1, characterized in that: One end of each of the plurality of fixed blocks (7) is externally fixedly connected to a limiting base (12), and one end of each of the dust filter plates (11) is externally tightly attached to the top of the limiting base (12).

6. A pressure gauge calibration protection device according to claim 1, characterized in that: A notch (14) is provided inside the bottom plate (2), and the exterior of one end of the box body (1) is arranged inside the notch (14).

7. A pressure gauge calibration protection device according to claim 2, characterized in that: Telescopic blocks (25) are fixedly connected to both sides of the interior of the second connecting rod (22), and a spring (20) is also provided inside the telescopic block (25).

8. A pressure gauge calibration protection device according to claim 2, characterized in that: The moving block (24) is made of rubber.

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