Portable vacuum calibration device based on aviation detection

Abstract

The utility model relates to the technical field of aviation detection, and discloses a portable vacuum calibration device based on aviation detection, which comprises an outer box, sliding chutes are arranged on two sides in the outer box, a movable plate is slidably connected in the outer box, two sides of the outer part of the movable plate are fixedly connected with limiting columns, and the limiting columns are arranged in the sliding chutes. Two inserting holes are formed in each of the two sides of the outer portion of the movable plate, two assembling holes are formed in each of the two sides of the outer portion of the outer box, annular grooves are formed in the inner sides of the assembling holes, two notch grooves are formed in the inner sides of the assembling holes, and plug pins are slidably connected to the interiors of the assembling holes. According to the utility model, the calibration chamber is placed inside the outer box, then the handle installed at the bottom of the movable plate is lifted up, so that the movable plate slides upwards, then the through hole is buckled to turn over the movable plate to be in a horizontal state, finally the plug pin penetrates through the assembly hole to be inserted into the insertion hole, and the plug pin is rotated to fix the movable plate, so that the calibration chamber can be stored.

Description

Technical Field

[0001] The utility model relates to the technical field of aviation detection, in particular to a portable vacuum calibration device for aviation detection. Background Art

[0002] A vacuum calibration device is a device that can calibrate the vacuum degree. It can provide an accurate vacuum environment and determine the accuracy and precision of the calibrated vacuum gauge by comparing it with a standard vacuum gauge. A vacuum calibration device usually consists of a calibration chamber, a vacuum pump, a vacuum chamber, a standard vacuum gauge and a control system.

[0003] The calibration chamber of the vacuum calibration device in the prior art is usually directly installed on the top of the control box to form a whole, which is an integrated device. However, when used in the aviation field, when the vacuum calibration device is carried and moved, the exposed calibration chamber is prone to collision with the outside world, causing damage to the calibration chamber, and then causing the entire equipment to malfunction. Therefore, the technology in the field proposes a portable vacuum calibration device based on aviation testing to solve the above problem. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a portable vacuum calibration device based on aviation detection, aiming to improve the problem that the calibration chamber of the vacuum calibration device in the prior art is exposed to the outside and easily collides with the outside world, causing damage to the calibration chamber, and then causing failure of the overall equipment.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a portable vacuum calibration device based on aviation detection, comprising an outer box, wherein both sides of the inner part of the outer box are provided with sliding grooves, the inner part of the outer box is slidably connected with a movable plate, both sides of the outer part of the movable plate are fixedly connected with limiting columns, two plug holes are provided on both sides of the outer part of the movable plate, two assembly holes are provided on both sides of the outer part of the outer box, an annular groove is provided on the inner side of the assembly hole, two notch grooves are provided on the inner side of the assembly hole, a latch is slidably connected to the inner side of the latch, two blocks are fixedly connected to the outer side of the latch, and two disassembly components are installed inside the movable plate.

[0006] Furthermore, the disassembly assembly comprises a cavity, the cavity is opened inside the movable plate, and a locking rod is slidably connected inside the cavity.

[0007] Furthermore, a sliding ring is fixedly connected to the outer side of the locking rod, and a spring is sleeved on the outer side of the locking rod.

[0008] Furthermore, one end of the spring is fixedly connected to the inner wall of the cavity, and the other end of the spring is fixedly connected to the outer side of the sliding ring.

[0009] Furthermore, a through opening is provided on the top of the movable plate, and a calibration chamber is slidably connected to the through opening.

[0010] Furthermore, two slots are provided on the outer side of the calibration chamber, and one end of the locking rod is engaged in the slots.

[0011] Furthermore, a movable groove is formed on the outer wall of the cavity, a pull plate is fixedly connected to the outer side of the sliding ring, and the outer side of the pull plate is slidably connected to the inner side of the movable groove.

[0012] Furthermore, one end of the latch passes through the assembly hole and is engaged in the interior of the socket, the outer side of the clamping block is slidably connected to the notch groove, and the outer side of the clamping block is slidably connected to the inner side of the annular groove.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the utility model, the calibration chamber is placed inside the outer box, and the handle installed at the bottom of the movable plate is lifted to slide the movable plate upward, and the movable plate is flipped to a horizontal state by holding the through-port position, and finally the latch is inserted into the inside of the socket through the assembly hole, and the latch is rotated to fix the movable plate, so that the calibration chamber can be stored, and damage to the calibration chamber caused by external impact can be avoided when the overall device is moved.

[0015] 2. In the utility model, by pushing the two pull plates, the two sliding rings drive the two locking rods to move to the separated positions. When one end of the two locking rods is pulled out from the inside of the two card slots, the restriction on the calibration chamber is released, and the calibration chamber can be easily removed from the opening of the movable plate. This disassembly method is more convenient than the traditional bolt fixing. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A three-dimensional diagram of a portable vacuum calibration device for aviation testing proposed by the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of a movable plate based on a portable vacuum calibration device for aviation testing proposed by the utility model;

[0018] Figure 3 for Figure 2 The enlarged view of point A in the middle;

[0019] Figure 4 This is a cross-sectional view of a movable plate of a portable vacuum calibration device for aviation testing proposed by the utility model.

[0020] Legend:

[0021] 1. Outer box; 2. Slide groove; 3. Movable plate; 4. Socket; 5. Limit column; 6. Assembly hole; 7. Annular groove; 8. Notch groove; 9. Latch; 10. Block; 11. Calibration chamber; 12. Slot; 13. Cavity; 14. Lock rod; 15. Spring; 16. Sliding ring; 17. Pull plate; 18. Movable groove. DETAILED DESCRIPTION

[0022] 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.

[0023] Reference Figure 1-Figure 3 The utility model provides an embodiment of a portable vacuum calibration device for aviation detection, comprising an outer box 1, wherein both sides of the inner part of the outer box 1 are provided with slide grooves 2, and the slide grooves 2 cooperate with the limit columns 5 to make the movable plate 3 stably move inside the outer box 1, and the inner part of the outer box 1 is slidably connected with the movable plate 3, and both sides of the outer part of the movable plate 3 are fixedly connected with the limit columns 5, and the limit columns 5 can prevent the movable plate 3 from supporting the plate, and two plug holes 4 are provided on both sides of the outer part of the movable plate 3, and two assembly holes 6 are provided on both sides of the outer part of the outer box 1, and an annular groove 7 is provided on the inner side of the assembly hole 6, and two notch grooves 8 are provided on the inner side of the assembly hole 6, and a latch 9 is slidably connected to the inner part of the assembly hole 6, and two card blocks 10 are fixedly connected to the outer side of the latch 9, and when the card block 10 is stuck in the inner part of the annular groove 7, the latch 9 will not easily detach from the inner part of the plug hole 4, and the latch 9 is rotated so that the card block 10 and the notch groove 8 are in corresponding positions, and the latch 9 is pulled out from the inner part of the plug hole 4, and two disassembly components are installed inside the movable plate 3.

[0024] Reference Figure 2-Figure 4The disassembly assembly includes a cavity 13, which is opened inside the movable plate 3. A locking rod 14 is slidably connected inside the cavity 13. One end of the locking rod 14 is prismatic, and the upper part is designed with an inclined surface. When the calibration chamber 11 is directly assembled, the inclined surface is squeezed to make the locking rod 14 shrink quickly. A sliding ring 16 is fixedly connected to the outer side of the locking rod 14. A spring 15 is sleeved on the outer side of the locking rod 14. One end of the spring 15 is fixedly connected to the inner wall of the cavity 13, and the other end of the spring 15 is fixedly connected to the outer side of the sliding ring 16. The force of the spring 15 can make the sliding ring 16 drive the locking rod 14 to quickly reset. A through opening is provided at the top of the movable plate 3, and a calibration chamber 11 is slidably connected to the through opening. Two slots 12 are provided on the outside of the calibration chamber 11, and one end of a locking rod 14 is engaged in the inside of the slot 12. A movable slot 18 is provided on the outer wall of the cavity 13. A pull plate 17 is fixedly connected to the outside of the sliding ring 16, and the outer side of the pull plate 17 is slidably connected to the inner side of the movable slot 18. The pull plate 17 is pushed, so that the sliding ring 16 drives the locking rod 14 to move. When one end of the locking rod 14 is pulled out from the inside of the slot 12, the restriction on the calibration chamber 11 is released, and the user can easily remove the calibration chamber 11 from the through opening of the movable plate 3.

[0025] Reference Figure 2-Figure 4 One end of the latch pin 9 passes through the assembly hole 6 and is engaged in the interior of the socket 4. The outer side of the block 10 is slidably connected to the notch groove 8. The outer side of the block 10 is slidably connected to the inner side of the annular groove 7. The block 10 enters the interior of the annular groove 7 through the notch groove 8. After the block 10 is rotated, it cannot be moved out of the notch groove 8, so that the latch pin 9 can be stably inserted into the interior of the socket 4.

[0026] Working principle: when the entire device needs to be moved, the user can rotate the latch 9 so that the block 10 is in the corresponding position with the notch groove 8, pull the latch 9 out from the inside of the socket 4, and then lift one side of the movable plate 3 by holding the calibration chamber 11, and then the user can push the pull plate 17 to make the sliding ring 16 drive the locking rod 14 to move, and when one end of the locking rod 14 is pulled out from the inside of the card slot 12, the restriction on the calibration chamber 11 is released, and the user can easily remove the calibration chamber 11 from the through-hole of the movable plate 3, and then place the calibration chamber 11 inside the outer box 1, and then lift the handle installed at the bottom of the movable plate 3, lift the movable plate 3 from the inside of the outer box 1, and then buckle the through-hole position to balance the movable plate 3, and finally insert the latch 9 to fix the movable plate 3, so that the calibration chamber 11 can be stored, so that it is safer and more convenient to carry the entire device to move.

[0027] 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 portable vacuum calibration device for aviation testing, comprising an outer box (1), characterized in that: Slide grooves (2) are provided on both sides of the inner part of the outer box (1); a movable plate (3) is slidably connected to the inner part of the outer box (1); limiting columns (5) are fixedly connected to the outer sides of the movable plate (3); two plug holes (4) are provided on both sides of the outer part of the movable plate (3); two assembly holes (6) are provided on both sides of the outer part of the outer box (1); an annular groove (7) is provided on the inner side of the assembly hole (6); two notch grooves (8) are provided on the inner side of the assembly hole (6); a latch (9) is slidably connected to the inner part of the assembly hole (6); two clamping blocks (10) are fixedly connected to the outer side of the latch (9); and two disassembly components are installed inside the movable plate (3).

2. A portable vacuum calibration device for aviation testing according to claim 1, characterized in that: The disassembly assembly comprises a cavity (13), wherein the cavity (13) is opened inside the movable plate (3), and a locking rod (14) is slidably connected inside the cavity (13).

3. A portable vacuum calibration device for aviation testing according to claim 2, characterized in that: A sliding ring (16) is fixedly connected to the outer side of the locking rod (14), and a spring (15) is sleeved on the outer side of the locking rod (14).

4. The portable vacuum calibration device for aviation testing according to claim 3 is characterized in that: One end of the spring (15) is fixedly connected to the inner wall of the cavity (13), and the other end of the spring (15) is fixedly connected to the outer side of the sliding ring (16).

5. The portable vacuum calibration device for aviation testing according to claim 4, characterized in that: A through opening is provided on the top of the movable plate (3), and a calibration chamber (11) is slidably connected to the through opening.

6. The portable vacuum calibration device for aviation testing according to claim 5, characterized in that: Two slots (12) are provided on the outside of the calibration chamber (11), and one end of the locking rod (14) is engaged in the inside of the slot (12).

7. The portable vacuum calibration device for aviation testing according to claim 6, characterized in that: The outer wall of the cavity (13) is provided with a movable groove (18), the outer side of the sliding ring (16) is fixedly connected with a pull plate (17), and the outer side of the pull plate (17) is slidably connected to the inner side of the movable groove (18).

8. The portable vacuum calibration device for aviation testing according to claim 1 is characterized in that: One end of the latch pin (9) passes through the assembly hole (6) and is engaged in the interior of the insertion hole (4); the outer side of the clamping block (10) is slidably connected to the notch groove (8); and the outer side of the clamping block (10) is slidably connected to the inner side of the annular groove (7).

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