Anti-vibration absolute pressure aviation pressure sensor test tool

Abstract

The utility model relates to the technical field of sensor testing, and discloses an anti-vibration absolute pressure aviation pressure sensor testing tool, which comprises an operation table, a mounting frame is fixed at the top of the operation table, a pressure control device is mounted in the mounting frame, and a plurality of control keys are arranged at the front end of the operation table. According to the anti-vibration absolute pressure aviation pressure sensor testing tool, the rotary knob is screwed to drive the screw rod and the limiting block which are fixed with the rotary knob to rotate, so that the limiting block is far away from the moving plate, the resilience force of the moving plate pushes the moving plate to drive the inserting plate to move upwards away from the interior of the inserting groove, and the positions of the supporting plate and the workpiece to be tested can be adjusted through the handle; the rotary knob is screwed again, so that the limiting block extrudes the movable plate to push the insertion plate to be inserted into the insertion groove, rapid fixing is completed, the accuracy of the test result is ensured, the process can be operated without a specific tool, operation is easy, and the working efficiency of a user is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sensor test technical field especially relates to a kind of anti-vibration absolute pressure aviation pressure sensor test tool. BACKGROUND

[0002] In the field of aviation, pressure sensor is one of the key components to ensure the normal operation of aircraft, they are widely used in fuel system, hydraulic system, pneumatic system and other key parts, for monitoring various pressure parameters, due to the particularity of aviation environment, therefore, these sensors need to have high precision, high reliability and the ability to resist harsh environment.

[0003] The conventional anti-vibration absolute pressure aviation pressure sensor test tool in use needs to fix the sensor to be tested to ensure the accuracy of test results, since the existing fixing method is relatively complex, and usually needs to be operated with special tools, thus leading to time-consuming and labor-consuming when facing pressure sensors of different packaging forms, affecting the working efficiency of users. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the utility model is that the anti-vibration absolute pressure aviation pressure sensor test tool in the prior art has the drawback of complex fixing method for the sensor to be tested in use, therefore, we propose an anti-vibration absolute pressure aviation pressure sensor test tool.

[0005] In order to achieve the above-mentioned purpose, the following technical scheme is adopted in the present application: an anti-vibration absolute pressure aviation pressure sensor test tool, comprising an operating table, a mounting rack is fixed on the top of the operating table, a pressure control device is installed in the mounting rack, a plurality of control buttons are arranged at the front end of the operating table, a placing plate is fixed on the top of the operating table, a fixing plate is fixed on both sides of the placing plate on the top of the operating table, a support plate is slidably connected in the fixing plate, a U-shaped bracket is fixed to one end of the support plate, a plurality of telescopic rods are fixed to one side of the U-shaped bracket, a clamping plate is fixed to the other end of the telescopic rod, a first spring is sleeved on the surface of the telescopic rod, one end of the first spring is fixed to the clamping plate, the other end of the first spring is fixed to the telescopic rod, a housing is fixed to one side of the fixing plate, a screw rod is threadedly connected in the housing, a limiting block is fixed to one end of the screw rod in the housing, a knob is fixed to the other end of the screw rod, a moving plate is slidably connected in the housing, a plug-in plate is fixed to one side of the moving plate, a plurality of insertion grooves are formed in the top of the support plate and matched with the plug-in plate.

[0006] Preferably, the limiting block is in the shape of an ellipse, and the difference between the maximum diameter and the minimum diameter of the limiting block is greater than the distance of the plug-in plate inserted into the insertion groove.

[0007] Preferably, a second spring is fixed at both ends on one side of the movable plate, and the other end of the second spring is fixed to the housing.

[0008] Preferably, grooves are provided at both ends of the movable plate, and guide rods that cooperate with the grooves are fixed on both sides inside the housing.

[0009] Preferably, a gasket is slidably connected to the surface of the screw, and the gasket is made of rubber.

[0010] Preferably, sliders are fixed on both sides of the support plate, and grooves that cooperate with the sliders are opened on both sides inside the fixed plate.

[0011] Preferably, a protective cover is provided on the top of the operating table above the placement plate, and the interior of the protective cover is hollow and L-shaped.

[0012] The technical effects and advantages of this utility model are as follows:

[0013] In this invention, turning the knob rotates the screw and the limiting block fixed to it, causing the limiting block to move away from the moving plate. At this time, the rebound force of the moving plate pushes the moving plate to move the insert plate upward away from the inside of the slot. The position of the support plate and the workpiece to be tested can be adjusted by the handle. After the adjustment is completed, turning the knob again causes the limiting block to press the moving plate and push the insert plate into the inside of the slot, completing the quick fixation and ensuring the accuracy of the test results. The process can be operated without special tools, is simple to operate, and improves the user's work efficiency. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0015] Figure 2 This is a partial structural schematic diagram of the present invention;

[0016] Figure 3 This is a schematic diagram of the fixing frame structure of this utility model;

[0017] Figure 4 This is a schematic diagram of the internal structure of the shell of this utility model;

[0018] Figure 5 This is a schematic diagram of the protective cover structure of this utility model.

[0019] Legend: 1. Operating table; 2. Mounting frame; 3. Pressure control device; 4. Control button; 5. Placement plate; 6. Fixing plate; 7. Support plate; 8. U-shaped frame; 9. Telescopic rod; 10. Clamping plate; 11. First spring; 12. Housing; 13. Screw; 14. Limit block; 15. Knob; 16. Moving plate; 17. Insert plate; 18. Slot; 19. Second spring; 20. Guide rod; 21. Groove; 22. Gasket; 23. Slider; 24. Slide groove; 25. Protective cover. Detailed Implementation

[0020] The present invention will now be described in further detail with reference to the accompanying drawings and preferred embodiments. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0021] Reference Figure 1 - Figure 5 As shown, this utility model provides a technical solution: a vibration-resistant, pressure-resistant aviation pressure sensor testing fixture, including an operating table 1, a mounting frame 2 fixed to the top of the operating table 1, a pressure control device 3 installed inside the mounting frame 2, multiple control buttons 4 at the front end of the operating table 1, a placement plate 5 fixed to the top of the operating table 1, and fixing plates 6 fixed to both sides of the placement plate 5 on the top of the operating table 1. A support plate 7 is slidably connected inside the fixing plate 6, a U-shaped frame 8 is fixed to one end of the support plate 7, multiple telescopic rods 9 are fixed to one side of the U-shaped frame 8, a clamping plate 10 is fixed to the other end of the telescopic rods 9, a first spring 11 is sleeved on the surface of the telescopic rods 9, one end of the first spring 11 is fixed to the clamping plate 10, and the other end of the first spring 11 is fixed to the telescopic rod 9. A housing 12 is fixed to one side of the fixing plate 6, a screw 13 is threadedly connected inside the housing 12, and a limit block 14 is fixed to one end of the screw 13 inside the housing 12. A knob 15 is fixed to the other end of the screw 13. A movable plate 16 is slidably connected inside the housing 12. An insert plate 17 is fixed to one side of the movable plate 16. Multiple slots 18 that cooperate with the insert plate 17 are opened on the top of the support plate 7. A second spring 19 is fixed to both ends of one side of the movable plate 16. The other end of the second spring 19 is fixed to the housing 12. By turning the knob 15, the screw 13 and the limiting block 14 fixed to it are rotated, so that the limiting block 14 moves away from the movable plate 16. At this time, the rebound force of the movable plate 16 pushes the movable plate 16 to drive the insert plate 17 upward away from the inside of the slot 18. The position of the support plate 7 and the workpiece to be tested can be adjusted by the handle. After the adjustment is completed, the knob 15 is turned again to make the limiting block 14 press the movable plate 16 and push the insert plate 17 into the inside of the slot 18 to complete the quick fixation and ensure the accuracy of the test results. The process can be operated without special tools, which is simple and improves the user's work efficiency.

[0022] Reference Figure 4As shown, in this embodiment: the limiting block 14 is elliptical in shape, and the difference between the maximum diameter and the minimum diameter of the limiting block 14 is greater than the distance that the insert plate 17 is inserted into the slot 18. By designing the shape of the limiting block 14 as elliptical, the difference between its maximum diameter and the minimum diameter allows the moving plate 16 to move a distance that can completely remove the insert plate 17 from the inside of the slot 18.

[0023] Reference Figure 4 As shown in this embodiment: grooves 21 are provided at both ends of the movable plate 16, and guide rods 20 that cooperate with the grooves 21 are fixed on both sides inside the housing 12. Through the structure of the guide rods 20 and the grooves 21, the movement trajectory of the movable plate 16 can be restricted to prevent the movable plate 16 from deviating during movement.

[0024] Reference Figure 4 As shown in this embodiment: a washer 22 is slidably connected to the surface of the screw 13. The washer 22 is made of rubber. By setting the washer 22, the properties of its rubber material can be used to further improve the firmness between the knob 15 and the housing 12 and avoid loosening.

[0025] Reference Figure 3 As shown in this embodiment: sliders 23 are fixed on both sides of the support plate 7, and grooves 24 that cooperate with the sliders 23 are opened on both sides of the inside of the fixing plate 6. Through the structure of the sliders 23 and the grooves 24, the movement direction of the support plate 7 can be restricted and its stability during movement can be improved.

[0026] Reference Figure 5 As shown in this embodiment: the top of the operating table 1 is provided with a protective cover 25 above the placement plate 5. The inside of the protective cover 25 is hollow L-shaped. By setting the protective cover 25, the workpiece to be inspected and its area can be shielded when the equipment is not in use, so as to prevent dust. At the same time, it can prevent the parts on the device from being damaged by external collisions.

[0027] Working principle: By turning knob 15, the user rotates the screw 13 and the limiting block 14 fixed to it, causing the limiting block 14 to move away from the moving plate 16. The rebound force of the moving plate 16 then pushes the insert plate 17 upwards away from the inside of the slot 18. The position of the support plate 7 relative to the workpiece can be adjusted using the handle. After adjustment, turning knob 15 again causes the limiting block 14 to press against the moving plate 16, pushing the insert plate 17 into the slot 18, completing a quick fixation and ensuring the accuracy of the test results. The process requires no special tools, is simple to operate, and improves user efficiency. By designing the limiting block 14 as an ellipse, the difference between its maximum and minimum diameters allows the moving plate 16 to... The moving distance is sufficient to completely remove the insert plate 17 from the interior of the slot 18. The structure of the guide rod 20 and the groove 21 can limit the movement trajectory of the moving plate 16, preventing it from shifting during movement. The pad 22, with its rubber material properties, further enhances the firmness between the knob 15 and the housing 12, preventing loosening. The structure of the slider 23 and the groove 24 can limit the movement direction of the support plate 7 and improve its stability during movement. The protective cover 25 can shield the workpiece to be inspected and its area when the equipment is not in use, providing dust protection and preventing damage to the components of the device from external collisions.

[0028] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A vibration-resistant absolute air pressure sensor test fixture comprising an operating table (1), characterized in that: The top of the operating platform (1) is fixedly provided with a mounting frame (2), the inside of the mounting frame (2) is provided with a pressure control device (3), the front end of the operating platform (1) is provided with a plurality of control buttons (4), the top of the operating platform (1) is fixedly provided with a placing plate (5), both sides of the top of the operating platform (1) located at the placing plate (5) are fixedly provided with a fixed plate (6), the inside of the fixed plate (6) is slidably connected with a support plate (7), one end of the support plate (7) is fixedly provided with a U-shaped frame (8), one side of the U-shaped frame (8) is fixedly provided with a plurality of telescopic rods (9), the other end of the telescopic rod (9) is fixedly provided with a clamping plate (10), the surface of the telescopic rod (9) is sleeved with a first spring (11), one end of the first spring (11) is fixedly connected with the clamping plate (10), the other end of the first spring (11) is fixedly connected with the telescopic rod (9), one side of the fixed plate (6) is fixedly provided with a shell (12), the inside of the shell (12) is threadedly connected with a screw rod (13), one end of the screw rod (13) located in the inside of the shell (12) is fixedly provided with a limiting block (14), the other end of the screw rod (13) is fixedly provided with a knob (15), the inside of the shell (12) is slidably connected with a moving plate (16), one side of the moving plate (16) is fixedly provided with a plug plate (17), the top of the support plate (7) is provided with a plurality of plug slots (18) matched with the plug plate (17).

2. The anti-vibration absolute air pressure sensor test fixture of claim 1, wherein: The limiting block (14) is in an oval shape, and the difference between the maximum diameter and the minimum diameter of the limiting block (14) is greater than the distance that the plug plate (17) is inserted into the plug slot (18).

3. The anti-vibration absolute air pressure sensor test fixture of claim 1, wherein: Both ends of one side of the moving plate (16) are fixedly provided with a second spring (19), and the other end of the second spring (19) is fixedly connected with the shell (12).

4. The anti-vibration absolute air pressure sensor test fixture of claim 1, wherein: Both ends of the moving plate (16) are provided with grooves (21), and both sides of the inside of the shell (12) are fixedly provided with guide rods (20) matched with the grooves (21).

5. The anti-vibration absolute air pressure sensor test fixture of claim 1, wherein: The surface of the screw rod (13) is slidably connected with a gasket (22), and the material of the gasket (22) is rubber material.

6. The anti-vibration absolute air pressure sensor test fixture of claim 1, wherein: Both sides of the support plate (7) are fixedly provided with sliding blocks (23), and both sides of the inside of the fixed plate (6) are provided with sliding grooves (24) matched with the sliding blocks (23).

7. The anti-vibration absolute air pressure sensor test fixture of claim 1, wherein: The top of the operating platform (1) located above the placing plate (5) is provided with a protective cover (25), and the inside of the protective cover (25) is in a hollow L shape.

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