Special R-surface detection linear lamp box cover plate for blades of air conditioner compressor

The air conditioner compressor blade inspection light box cover, designed using 5052 aluminum alloy and U-shaped groove butterfly screws, solves the problems of traditional cover plates being heavy, fragile, and non-adjustable, improving inspection efficiency and accuracy, and adapting to the needs of inspectors of different heights.

CN224175832UActive Publication Date: 2026-04-28SHANGHAI XIGONG COMPRESSOR FITTINGS
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI XIGONG COMPRESSOR FITTINGS
Filing Date
2025-06-12
Publication Date
2026-04-28

AI Technical Summary

Technical Problem

Traditional light box covers for air conditioner compressor blade inspection are heavy, fragile, and cannot be adjusted in height, affecting inspection efficiency and accuracy.

Method used

The cover plate body is made of 5052 aluminum alloy, and the design of U-shaped groove and butterfly screw allows for height adjustment. Transparent glass is embedded in the observation hole to ensure uniform light transmission.

Benefits of technology

It achieves lightweight, safe, and height-adjustable cover plates, improving detection efficiency and accuracy, reducing visual errors, and adapting to the needs of inspection personnel of different heights.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224175832U_ABST
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Abstract

The utility model relates to a special R-surface detection linear lamp box cover plate for blades of an air conditioner compressor, which comprises a cover plate body made of 5052 aluminum alloy. An observation hole is formed in the middle of the cover plate body; transparent glass is embedded in the observation hole; u-shaped grooves are formed in the two sides of the cover plate body, and butterfly screws are arranged in the U-shaped grooves and used for adjusting the height of the cover plate. The light-weight design of 5052 aluminum alloy is adopted, height adjustment is achieved through a U-shaped groove and a butterfly screw, and even light is guaranteed by embedding frosted glass into an observation hole. The glass cover plate has the functions of skid resistance, wear resistance, quick installation and the like, solves the problems of large weight, fragility and non-adjustability of a traditional glass cover plate, and is suitable for high-precision detection of an air conditioner compressor blade production line.
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Description

Technical Field

[0001] This utility model relates to the field of air conditioner compressor blade detection technology, specifically a special light box cover plate for detecting the straightness of the R-surface of blades. Background Technology

[0002] During the production of air conditioner compressor blades, the straightness of the blade's radius (R-surface) needs to be inspected. The traditional method involves placing the blade on a lightbox and using the light gap method to observe the light transmission gap between the R-surface and the lightbox cover to determine straightness. However, traditional lightbox covers typically use an all-glass structure, which has the following drawbacks:

[0003] 1. Heavy weight and inconvenient handling: The all-glass cover is heavy, making it inconvenient to handle and install, which affects the efficiency of testing.

[0004] 2. Fragile and poses a safety hazard: Glass is fragile, posing a safety hazard, and replacement costs are high.

[0005] 3. Inability to adjust height: Traditional cover plates have a fixed height, which cannot meet the needs of inspectors of different heights, affecting inspection accuracy and comfort. Summary of the Invention

[0006] The present invention provides a special inspection cover plate for the R-surface linear light box of air conditioner compressor blades to solve the above-mentioned problems existing in the prior art.

[0007] To achieve the above objectives, the technical solution of this utility model is as follows:

[0008] A special inspection cover for air conditioner compressor blades, comprising a cover body made of 5052 aluminum alloy; an observation hole in the middle of the cover body; transparent glass embedded in the observation hole; and U-shaped grooves on both sides of the cover body, with butterfly screws in the U-shaped grooves for adjusting the height of the cover.

[0009] Furthermore, the depth of the U-shaped groove is 2 / 3 of the thickness of the cover plate body, and the width is 1.2 times the diameter of the butterfly screw.

[0010] Furthermore, the thread length of the butterfly screw is greater than the depth of the U-shaped groove, and an anti-loosening nut is provided at the end.

[0011] Furthermore, the edge of the transparent glass is fixed inside the observation hole by a silicone sealing ring.

[0012] Furthermore, the size of the observation hole is 1.2 times the projected area of ​​the blade's R-surface.

[0013] Furthermore, a height scale with a graduation accuracy of 0.5mm is provided on the outside of the U-shaped groove.

[0014] Furthermore, the transparent glass is frosted glass with a light transmittance of ≥85%.

[0015] Furthermore, the cover plate body is provided with quick-installation buckles at the four corners to match the light box frame.

[0016] This utility model has the following beneficial effects:

[0017] 1. Lightweight and easy to handle: Made of 5052 aluminum alloy, it is lightweight, easy to handle and install, and improves testing efficiency.

[0018] 2. Safe and reliable: The aluminum alloy material is not easily broken, making it safe, reliable, and inexpensive.

[0019] 3. Height Adjustable: The U-shaped groove and butterfly screw design allows for easy adjustment of the cover height to accommodate the needs of inspectors of different heights, improving inspection accuracy and comfort.

[0020] 4. Uniform light: Transparent glass is embedded in the observation hole to ensure uniform light transmission, making it easy to observe the straightness of the R-surface. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of the linear light box cover plate for the R-surface of the air conditioner compressor blade inspection device of this utility model. Detailed Implementation

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0023] like Figure 1 As shown, this utility model discloses a cover plate for a linear light box for detecting the R-surface of air conditioning compressor blades. The cover plate body 1 is made of 5052 aluminum alloy. An observation hole 3 is provided in the center of the cover plate body 1, and a transparent glass 2 is embedded in the observation hole 3. U-shaped grooves are provided on both sides of the cover plate body 1, and adjustable butterfly screws are installed within the U-shaped grooves. By using lightweight aluminum alloy material and an adjustable structure, the problems of traditional glass covers being heavy, fragile, and having non-adjustable height are solved.

[0024] Preferably, the depth of the U-shaped groove is 2 / 3 of the thickness of the cover plate body, and the width is 1.2 times the diameter of the butterfly screw. This ensures that the U-shaped groove can accommodate the screw while maintaining the structural strength of the cover plate.

[0025] Preferably, the thread length of the butterfly screw is greater than the depth of the U-shaped groove, and the end is provided with a lock nut to prevent the screw from loosening after adjustment and improve stability.

[0026] Preferably, the edge of the transparent glass is fixed inside the observation hole by a silicone sealing ring, which enhances the glass's sealing performance and prevents dust from entering the light box.

[0027] Preferably, the size of the observation hole is 1.2 times the projected area of ​​the blade's R-surface, which ensures full coverage of the detection area and avoids missed detections.

[0028] Preferably, a height scale with a graduation accuracy of 0.5mm is provided on the outside of the U-shaped groove, which facilitates quick and accurate height adjustment and improves operating efficiency.

[0029] Preferably, the transparent glass 2 is frosted glass with a light transmittance of ≥85%, which allows light to be scattered evenly and reduces visual errors in detection.

[0030] Preferably, the cover plate body 1 is provided with quick-installation buckles at the four corners, which match the light box frame 4 to realize quick disassembly and assembly of the cover plate, making maintenance and replacement convenient.

[0031] This utility model proposes a linear light box cover for the R-surface of an air conditioner compressor blade inspection unit. It features a lightweight design using 5052 aluminum alloy and height adjustment via a U-shaped groove and butterfly screws. The observation hole is inlaid with frosted glass to ensure uniform light distribution. It possesses anti-slip, wear-resistant, and quick-installation functions, solving the problems of traditional glass covers being heavy, fragile, and non-adjustable. It is suitable for high-precision inspection of air conditioner compressor blades on production lines.

Claims

1. A cover plate for a linear light box on the R-surface of an air conditioner compressor blade inspection surface, characterized in that, Includes a cover plate body, which is made of 5052 aluminum alloy; the cover plate body has an observation hole in the middle, with transparent glass embedded in the observation hole; the cover plate body has U-shaped grooves on both sides, with butterfly screws in the U-shaped grooves for adjusting the height of the cover plate.

2. The cover plate for the linear light box of the R-surface for detecting air conditioning compressor blades according to claim 1, characterized in that, The depth of the U-shaped groove is 2 / 3 of the thickness of the cover plate body, and the width is 1.2 times the diameter of the butterfly screw.

3. The cover plate for the linear light box of the R-surface for detecting air conditioning compressor blades according to claim 1, characterized in that, The threaded section of the butterfly screw is longer than the depth of the U-shaped groove, and an anti-loosening nut is provided at the end.

4. The cover plate for the linear light box of the R-surface for detecting air conditioning compressor blades according to claim 1, characterized in that, The edge of the transparent glass is fixed inside the observation hole by a silicone sealing ring.

5. The cover plate for the linear light box of the R-surface for detecting air conditioning compressor blades according to claim 1, characterized in that, The size of the observation hole is 1.2 times the projected area of ​​the blade's R-surface.

6. The cover plate for the linear light box of the R-surface for detecting air conditioning compressor blades according to claim 1, characterized in that, The U-shaped groove is equipped with a height scale with a graduation accuracy of 0.5 mm.

7. The cover plate for the linear light box of the R-surface for detecting air conditioning compressor blades according to claim 1, characterized in that, The transparent glass is frosted glass with a light transmittance of ≥85%.

8. The cover plate for the linear light box of the R-surface for detecting air conditioning compressor blades according to claim 1, characterized in that, The cover plate body has quick-installation buckles at its four corners, which match the light box frame.