Air inlet dustproof high and low temperature impact test box

Abstract

The utility model provides an intake dustproof high and low temperature impact test box, including high and low temperature impact test box body, moving frame, bending mounting seat, rebound limit lever and rebound foot lever, the lower side of high and low temperature impact test box body front end is equipped with the intake frame, the moving frame is located inside the intake frame in a sliding manner, the inside of the moving frame is equipped with the filter plate in the longitudinal direction, and the bending mounting seat is equipped with the rebound limit lever and the rebound foot lever. The number of the bending mounting seats is two, the two bending mounting seats are mounted at the left end and the right end of the lower side of the front end of the high and low temperature impact test box body through bolts, rectangular hollow cylinders are longitudinally mounted at the upper ends of the two bending mounting seats, elliptical grooves are formed in the side surfaces of the two rectangular hollow cylinders in a penetrating manner, and the number of the springback limiting rods is two. According to the design, the problems that in an original device, multiple steps are needed for disassembling the filter plate, the operation is troublesome, the steps need to be simplified, and the practicability needs to be improved are solved, the springback type pedal limiting structure is designed, the filter plate can be installed, follow-up air inlet dust prevention of the filter plate is facilitated, and disassembling and assembling are rapid and convenient.

Description

Technical Field

[0001] The utility model relates to a high and low temperature shock test chamber with air intake dust prevention, belonging to the technical field of high and low temperature test equipment. Background Technique

[0002] High and low temperature shock test chambers are used in industries such as electronic and electrical components, automation parts, communication components, automotive parts, metals, chemical materials, plastics, etc. For physical property changes of national defense industry, aerospace, military industry, BGA, PCB substrates, electronic chip ICs, semiconductor ceramics and polymer materials, to test the repeated resistance of their materials to high and low temperatures and the chemical changes or physical damages caused by the thermal expansion and contraction of products, the quality of products can be confirmed. It is used from precision ICs to heavy machinery components and is an essential test chamber for product testing in various fields. When electronic parts are in use, in order to ensure the quality of electronic parts, a high and low temperature shock test chamber is needed to detect the electronic parts.

[0003] Publication number: CN220531638U, which mentions a high and low temperature shock test chamber. The position of the filter plate is positioned by a movable plate and a clamping block, and then the filter plate filters the air entering the box body to prevent dust from entering the inside of the box body to achieve dust prevention. This high and low temperature shock test chamber has the advantage of air intake dust prevention, improves the stability of the high and low temperature shock test chamber, and at the same time prevents dust from adhering to the parts inside the high and low temperature shock test chamber, facilitating the normal operation of the high and low temperature shock test chamber. However, the efficiency of disassembling and installing the filter plate in this device requires multiple steps, which is rather troublesome, and the steps need to be simplified and the practicability needs to be improved. Now there is an urgent need for a high and low temperature shock test chamber with air intake dust prevention to solve the above problems. Content of the Utility Model

[0004] Aiming at the deficiencies existing in the prior art, the purpose of the utility model is to provide a high and low temperature shock test chamber with air intake dust prevention to solve the problems raised in the above background technique. The utility model designs a rebound pedal limit structure, which can realize the installation of the filter plate, facilitate its subsequent air intake dust prevention, and is quick and convenient for disassembly and assembly.

[0005] To achieve the above object, the present utility model is realized through the following technical solutions: A high and low temperature shock test chamber for air intake and dust prevention, comprising a high and low temperature shock test chamber body, a moving frame, a bent mounting seat, a resilient limiting rod, and a resilient stepping rod. An air intake frame is installed on the lower side of the front end of the high and low temperature shock test chamber body. The moving frame is slidably located inside the air intake frame. A filter plate is longitudinally installed inside the moving frame. There are two bent mounting seats, and the two bent mounting seats are installed at the left and right ends of the lower side of the front end of the high and low temperature shock test chamber body through bolts. Rectangular hollow cylinders are longitudinally installed at the upper ends of the two bent mounting seats. Elliptical grooves are respectively formed through the side surfaces of the two rectangular hollow cylinders. There are two resilient limiting rods, and the two resilient limiting rods are respectively movably inserted into the two rectangular hollow cylinders. The resilient stepping rod horizontally passes through the two resilient limiting rods and the two elliptical grooves. Resilient frames are slidably arranged in the middle of the outside of the two rectangular hollow cylinders. Fixed frames are respectively fixed at the upper ends of the outside of the two rectangular hollow cylinders. A plurality of compression springs are installed between the two fixed frames and the two resilient frames.

[0006] Further, two buckling grooves are formed at the left end of the moving frame.

[0007] Further, the upper ends of the two resilient limiting rods pass through the air intake frame and abut against the left and right sides of the lower end of the moving frame.

[0008] Further, a resilient stepping plate is installed in the middle of the lower end of the resilient stepping rod.

[0009] Further, the two resilient frames are fixed to the resilient stepping rod through a plurality of reinforcing bolts.

[0010] Further, anti-slip patterns are arranged at the lower end inside the resilient stepping plate.

[0011] The beneficial effects of the present utility model: For the high and low temperature shock test chamber for air intake and dust prevention of the present utility model, due to the addition of a moving frame, a filter plate, a bent mounting seat, a rectangular hollow cylinder, a resilient limiting rod, a fixed frame, a compression spring, a resilient frame, a reinforcing bolt, a resilient stepping rod, and a resilient stepping plate in the present utility model, through our design improvement and actual use, it shows that the structure of this device is reasonable. A resilient pedal limiting structure is designed, which can realize the installation of the filter plate, facilitate its subsequent air intake and dust prevention, and is quick and convenient to disassemble and assemble. It can effectively simplify the disassembly steps of the filter plate and has good practicability. Description of the Drawings

[0012] By reading the detailed description of the non-restrictive embodiments with reference to the following drawings, other features, purposes, and advantages of the present utility model will become more obvious:

[0013] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the high and low temperature shock test chamber for air intake and dust prevention of the present utility model;

[0014] Figure 2 Schematic diagram of the connection structure of the rebound pedal of a high and low temperature shock test chamber with air intake dust prevention according to the present utility model;

[0015] Figure 3 Three-dimensional schematic diagram of the rebound limit rod of a high and low temperature shock test chamber with air intake dust prevention according to the present utility model;

[0016] In the figure: 1 - high and low temperature shock test chamber body, 2 - air intake frame, 3 - moving frame, 4 - buckle groove, 5 - filter plate, 6 - bending mounting seat, 7 - rectangular hollow cylinder, 8 - rebound limit rod, 9 - fixed frame, 10 - compression spring, 11 - rebound frame, 12 - reinforcement bolt, 13 - rebound pedal rod, 14 - elliptical groove, 15 - rebound pedal. Specific implementation manner

[0017] In order to make the technical means, creative features, achieved purposes and effects of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific implementation manners.

[0018] Please refer to Figures 1 - 3 , the present utility model provides a technical solution: a high and low temperature shock test chamber with air intake dust prevention, including a high and low temperature shock test chamber body 1, a moving frame 3, a bending mounting seat 6, a rebound limit rod 8 and a rebound pedal rod 13. An air intake frame 2 is installed on the lower side of the front end of the high and low temperature shock test chamber body 1. The moving frame 3 is slidably located inside the air intake frame 2. A filter plate 5 is longitudinally installed inside the moving frame 3. There are two bending mounting seats 6. The two bending mounting seats 6 are installed on the left and right ends of the lower side of the front end of the high and low temperature shock test chamber body 1 through bolts. Rectangular hollow cylinders 7 are longitudinally installed at the upper ends of the two bending mounting seats 6. Elliptical grooves 14 are respectively formed through the side surfaces of the two rectangular hollow cylinders 7. There are two rebound limit rods 8. The two rebound limit rods 8 are respectively movably inserted into the two rectangular hollow cylinders 7. The rebound pedal rod 13 horizontally passes through the two rebound limit rods 8 and the two elliptical grooves 14. Rebound frames 11 are slidably arranged in the middle of the outside of the two rectangular hollow cylinders 7. Fixed frames 9 are fixed at the upper ends of the outside of the two rectangular hollow cylinders 7. A plurality of compression springs 10 are installed between the two fixed frames 9 and the two rebound frames 11. This design solves the problems that in the original device, the efficiency of disassembling the filter plate requires multiple steps, which is rather troublesome, the steps need to be simplified, and the practicability needs to be improved.

[0019] As the first embodiment of the present utility model: Two buckle grooves 4 are formed at the left end of the moving frame 3. By adding the two buckle grooves 4, it is convenient for the test personnel to pull the moving frame 3. The upper ends of the two rebound limit rods 8 pass through the air intake frame 2 and abut against the left and right sides of the lower end of the moving frame 3 respectively. By adding the two rebound limit rods 8, the upper ends of which can pass through the air intake frame 2 and abut against the left and right sides of the lower end of the moving frame 3, the moving frame 3 can be prevented from shaking automatically inside the air intake frame 2.

[0020] A resilient pedal rod 13 is installed in the middle at the lower end of a resilient pedal 15. Anti-slip patterns are provided at the lower end inside the resilient pedal 15. By adding the resilient pedal 15, it is convenient for the test personnel to step on its upper end, thereby driving the resilient pedal rod 13, two resilient limit rods 8 and two resilient frames 11 to move downward, and then pulling multiple compression springs 10 to stretch downward. The two resilient frames 11 are fixed to the resilient pedal rod 13 through multiple reinforcing bolts 12. By adding the multiple reinforcing bolts 12, it is convenient to connect and fix the two resilient frames 11 to the resilient pedal rod 13.

[0021] As the second embodiment of the present utility model: During actual use, when the high and low temperature shock test chamber is working, the filter plate 5 can intercept dust at its air inlet. The upper ends of the two added resilient limit rods 8 can pass through the air inlet frame 2 and abut against the left and right sides of the lower end of the moving frame 3, thereby preventing the moving frame 3 from shaking spontaneously inside the air inlet frame 2 (at this time, multiple compression springs 10 are kept in a slightly compressed state upward, and the resilient limit rods 8 are driven to move upward by the resilient frames 11. At the same time, they will also drive the resilient pedal rod 13 and the resilient pedal 15 to be in a slightly upward moving state, and the resilient pedal rod 13 is suspended in the middle inside the two elliptical grooves 14 at this time). When it is necessary to clean the dust filtered by the filter plate 5 after long-term use, the test personnel step on the resilient pedal 15 with one foot and exert force downward, which will drive the resilient pedal rod 13 to move downward until the resilient pedal rod 13 is completely pressed against the lower end inside the two elliptical grooves 14, thereby causing the two resilient limit rods 8 and the two resilient frames 11 to move downward (during this process, multiple compression springs 10 stretch downward), and then the other hand holds the buckle groove 4 and pulls it to the left, and the moving frame 3 can be pulled out of the air inlet frame 2, thereby realizing the quick disassembly of the filter plate 5.

[0022] The above shows and describes the basic principles, main features and advantages of the present utility model. For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, it is intended to include all changes falling within the meaning and scope of the equivalent elements of the claims in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0023] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A high and low temperature shock test chamber for intake air dust prevention, comprising a high and low temperature shock test chamber body (1), a moving frame (3), a bent mounting seat (6), a resilient limiting rod (8), and a resilient stepping rod (13), characterized in that: An air intake frame (2) is installed on the lower side of the front end of the high and low temperature shock test chamber body (1). The moving frame (3) is slidably located inside the air intake frame (2), and a filter plate (5) is longitudinally installed inside the moving frame (3). There are two bending mounting seats (6). The two bending mounting seats (6) are installed on the left and right ends of the lower side of the front end of the high and low temperature shock test chamber body (1) through bolts. Rectangular hollow cylinders (7) are longitudinally installed at the upper ends of the two bending mounting seats (6). Elliptical grooves (14) are formed through the side surfaces of the two rectangular hollow cylinders (7). There are two spring return limit rods (8), and the two spring return limit rods (8) are respectively inserted into the two rectangular hollow cylinders (7) movably. The spring return treadle (13) horizontally passes through the two spring return limit rods (8) and the two elliptical grooves (14). Spring return frames (11) are slidably arranged in the middle of the outside of the two rectangular hollow cylinders (7). Fixed frames (9) are fixed at the upper ends of the outside of the two rectangular hollow cylinders (7). A plurality of compression springs (10) are installed between the two fixed frames (9) and the two spring return frames (11).

2. The high and low temperature shock test chamber for intake air dust prevention according to claim 1, wherein: Two buckle grooves (4) are formed at the left end of the moving frame (3).

3. The high and low temperature shock test chamber for intake air dust prevention according to claim 1, wherein: The upper ends of the two spring return limit rods (8) pass through the air intake frame (2) and abut against the left and right sides of the lower end of the moving frame (3).

4. The high and low temperature shock test chamber for intake air dust prevention according to claim 1, wherein: A spring return pedal (15) is installed in the middle of the lower end of the spring return treadle (13).

5. An air intake dust-proof high and low temperature shock test chamber according to claim 1, characterized in that: The two spring return frames (11) are fixed to the spring return treadle (13) through a plurality of reinforcing bolts (12).

6. The high and low temperature shock test chamber for intake air dust prevention according to claim 4, wherein: Anti-slip patterns are arranged at the lower end inside the spring return pedal (15).

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