Flexible folding trace display instrument

Abstract

The utility model provides a flexible folding trace appearing instrument, relates to trace appearing technical field, including bottom cover, fixed seat, flexible telescopic cover and support subassembly, bottom cover internal is equipped with light source and control subassembly, fixed seat bottom is equipped with image acquisition subassembly, bottom cover and fixed seat is connected flexible telescopic cover between bottom cover and fixed seat, the support subassembly includes support seat and bracing frame, the lower ends of the two sides of the supporting frame are movably connected with the two supporting bases, arc-shaped guide grooves and limiting grooves are formed in the supporting bases, tail end welding limiting pins are arranged at the lower ends of the two side walls of the supporting frame, connecting holes are formed in the top of the supporting frame, connecting bolts are arranged in the connecting holes, and limiting screw holes are formed in the top of the fixing base. The flexible telescopic cover can be folded, so that the size of the display instrument is reduced, the display instrument is convenient to carry, the supporting assembly is composed of the supporting base and the supporting frame, the supporting frame and the supporting base are locked by turning over the supporting frame, the supporting frame in the vertical state can serve as a supporting structure for unfolding the flexible telescopic cover, and it is guaranteed that the state of the flexible telescopic cover is stable after the flexible telescopic cover is unfolded.

Description

Flexible folding trace display instrument Technical Field

[0001] This utility model relates to the field of trace display technology, and in particular to a flexible folding trace display device. Background Technology

[0002] Forensic crime scene investigation is a crucial part of criminal justice procedures. It aims to systematically, comprehensively, and objectively examine and inspect crime scenes using scientific methods and techniques to discover, extract, fix, and preserve traces, physical evidence, and other information related to the crime, providing a scientific basis for the investigation, prosecution, and trial of the case.

[0003] Currently, in forensic crime scene investigation, multifunctional trace revealing devices can reveal various traces, such as annular dark-field, ultraviolet, infrared, and fluorescence traces. However, these devices are large and heavy, making them inconvenient to carry. Therefore, this invention proposes a flexible folding trace revealing device to address the shortcomings of existing technologies. Summary of the Invention

[0004] To address the aforementioned issues, the purpose of this invention is to provide a flexible folding trace display device. The flexible telescopic cover itself can be folded, thereby reducing the size of the display device and making it easy to carry. The support assembly consists of a support base and a support frame. The support frame is locked to the support base by flipping. The vertical support frame can serve as a support structure for unfolding the flexible telescopic cover, ensuring the stability of the flexible telescopic cover after it is unfolded.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A flexible folding trace revealer includes a base, a fixed base, a flexible telescopic cover, and a support assembly. The base houses a light source and control components. The fixed base has an image acquisition component at its bottom. The flexible telescopic cover connects the base and the fixed base. The support assembly includes a support base and a support frame. The support bases are symmetrically arranged on both sides of the lower end of the flexible telescopic cover, and are detachably installed from the base. The support frame is located on the outer side of the flexible telescopic cover. The lower ends of both sides of the support frame are movably connected to two sets of support bases. The support base has an arc-shaped guide groove and a limiting groove, which are interconnected. The lower ends of both side walls of the support frame have tail-end welded limiting pins that are adapted to the positions of the arc-shaped guide groove and the limiting groove. The top of the support frame has a connecting hole with a connecting bolt inside. The top of the fixed base has a limiting screw hole, and the connecting bolt connects to the limiting screw hole.

[0007] A further improvement is that: the lower ends of both sides of the support frame are provided with limiting slots, and fastening bolts are provided in the limiting slots. The fastening bolts pass through the mating holes on the support base and are locked and fixed to the support base by a wing nut.

[0008] A further improvement is that the support base is provided with mounting bolts, and the support base can be detachably installed to the top of the bottom cover via the mounting bolts.

[0009] Further improvements are made in the following aspects: The light source and control components include a main circuit board, a control circuit chip, a white-ultraviolet-infrared-blue-green LED array, a linear light source board, a linear light source focusing cylindrical lens, and a focusing cylindrical lens fixing bracket. The main circuit board is glued to the upper interior of the bottom cover, the linear light source board is glued to the four side walls of the bottom cover, a focusing cylindrical lens fixing bracket is provided below the main circuit board, the four corners of the focusing cylindrical lens fixing bracket are glued to the four corners of the upper interior of the bottom cover, the linear light source focusing cylindrical lens is fixedly installed in the crescent hole of the focusing cylindrical lens fixing bracket, and the main circuit board is provided with a control circuit chip and a white-ultraviolet-infrared-blue-green LED array.

[0010] A further improvement is that the light source and control components also include a data-power socket and a band switch, both of which are located on the top of the bottom cover.

[0011] A further improvement is that the image acquisition component includes a camera plate and a camera lens hood, the camera plate is provided at the bottom of the mounting base, the camera plate is connected to the screw hole of the mounting base by screws, and the camera lens hood is provided at the lower end of the camera plate.

[0012] A further improvement is that a bending limiting piece is provided on one side of the upper end of the support base, and the bending limiting piece is integrally formed with the support base.

[0013] The beneficial effects of this utility model are as follows: This utility model sets the flexible folding mark display device to consist of a bottom cover, a fixed base, a flexible telescopic cover, and a support assembly. The flexible telescopic cover connects the bottom cover and the fixed base, and the flexible telescopic cover itself can be folded, thereby reducing the size of the display device and making it easy to carry. The support assembly of this utility model consists of a support base and a support frame. The support frame is locked to the support base by flipping. The vertical support frame can serve as a support structure for unfolding the flexible telescopic cover, ensuring the stability of the flexible telescopic cover after it is unfolded. Attached Figure Description

[0014] Figure 1 is a three-dimensional schematic diagram of the unfolded structure of this utility model;

[0015] Figure 2 is a three-dimensional schematic diagram of the folded structure of this utility model.

[0016] Figure 3 is an exploded view of the structure of this utility model;

[0017] Figure 4 is a schematic diagram of the assembly of the bottom cover, light source and control components of this utility model;

[0018] Figure 5 is a front view schematic diagram of the folded state of the utility model structure;

[0019] Figure 6 is an enlarged schematic diagram of the structure at point A in Figure 5 of the utility model.

[0020] The components include: 1. Bottom cover; 2. Fixing base; 3. Flexible telescopic cover; 4. Support base; 5. Support frame; 6. Arc-shaped guide groove; 7. Limiting groove; 8. Tail end welded limiting pin; 9. Connecting bolt; 10. Limiting screw hole; 11. Limiting groove hole; 12. Fastening bolt; 13. Wing nut; 14. Mounting bolt; 15. Main circuit board; 16. Control circuit chip; 17. White-ultraviolet-infrared-blue-green LED array; 18. Linear light source board; 19. Linear light source focusing cylindrical lens; 20. Focusing cylindrical lens fixing bracket; 21. Data-power socket; 22. Band switch; 23. Camera board; 24. Camera lens light shield; 25. Bending limiting piece. Detailed Implementation

[0021] To deepen the understanding of this utility model, the following detailed description will be provided in conjunction with embodiments. These embodiments are only used to explain this utility model and do not constitute a limitation on the scope of protection of this utility model.

[0022] Example 1

[0023] As shown in Figures 1-6, this embodiment proposes a flexible folding mark display device, including a bottom cover 1, a fixed base 2, a flexible telescopic cover 3, and a support assembly. The bottom cover 1 houses a light source and control assembly, and the fixed base 2 has an image acquisition assembly at its bottom. The flexible telescopic cover 3 connects the bottom cover 1 and the fixed base 2. The support assembly includes a support base 4 and a support frame 5. The support base 4 is symmetrically arranged on both sides of the lower end of the flexible telescopic cover 3, and the support base 4 is detachably installed from the bottom cover 1. A support is provided on the outer side of the flexible telescopic cover 3. The support frame 5 has its lower ends on both sides movably connected to two sets of support seats 4. Each support seat 4 has an arc-shaped guide groove 6 and a limiting groove 7, which are interconnected. The lower ends of both sides of the support frame 5 have tail-end welded limiting pins 8, which are positionally matched to the arc-shaped guide grooves 6 and limiting grooves 7. The top of the support frame 5 has a connecting hole containing a connecting bolt 9. The top of the fixed seat 2 has a limiting screw hole 10, which is connected to the connecting bolt 9. Both lower ends of the support frame 5 have limiting slot holes 11 containing fastening bolts 12. These fastening bolts 12 pass through the mating holes on the support seat 4 and are locked to the support seat 4 by wing nuts 13.

[0024] When using the flexible folding mark display device of this utility model, first rotate the support frame 5 upward until the support frame 5 is in a vertical state, then lift the support frame 5 to allow the tail end welded limit pin 8 to enter the limit groove 7 from the arc-shaped guide groove 6. At this time, tighten the wing nut 13 to make the fastening bolt 12 firmly fix the support seat 4 and the support frame 5. Then, pull the fixed seat 2 upward close to the upper end of the support frame 5, and connect and fix the connecting bolt 9 on the support frame 5 to the limit screw hole 10 at the top of the fixed seat 2. At this time, the flexible telescopic cover is synchronously unfolded with the upward operation of the fixed seat 2.

[0025] The support base 4 is provided with mounting bolts 14, and the support base 4 can be detachably installed to the top of the bottom cover 1 by means of mounting bolts 14.

[0026] The light source and control assembly includes a main circuit board 15, a control circuit chip 16, a white-ultraviolet-infrared-blue-green LED array 17, a linear light source board 18, a linear light source focusing cylindrical lens 19, and a focusing cylindrical lens fixing bracket 20. The main circuit board 15 is glued to the upper interior of the bottom cover 1. The linear light source board 18 is glued to the four side walls of the bottom cover 1. The focusing cylindrical lens fixing bracket 20 is located below the main circuit board 15. The four corners of the focusing cylindrical lens fixing bracket 20 are glued to the four upper interior corners of the bottom cover 1. The linear light source focusing cylindrical lens 19 is fixedly installed in the crescent-shaped holes of the focusing cylindrical lens fixing bracket 20. The main circuit board 15 has the control circuit chip 16 and the white-ultraviolet-infrared-blue-green LED array 17. The light source and control assembly also includes a data-power socket 21 and a band switch 22, both of which are located on the top of the bottom cover 1. Power and image signals are connected to the data-power socket 21 via the data-power plug. Different detection light sources can be selected by rotating the band switch 22, and the captured traces can be observed on the external image terminal. When finished using the device, loosen the connecting bolt 9, press the fixing base 2 along with the flexible telescopic cover 3 downwards to fold the flexible telescopic cover 3, then loosen the wing nut 13, flip the support frame 5 to one side and press it down, allowing the support frame to rotate horizontally around the fastening bolt 12, and then fold it up for transport.

[0027] The image acquisition component includes a camera plate 23 and a camera lens hood 24. The camera plate 23 is provided at the bottom of the mounting base 2. The camera plate 23 is connected to the screw hole of the mounting base 2 by screws. The camera lens hood 24 is provided at the lower end of the camera plate 23.

[0028] Example 2

[0029] As shown in Figures 1-6, this embodiment proposes a flexible folding mark display device, including a bottom cover 1, a fixed base 2, a flexible telescopic cover 3, and a support assembly. The bottom cover 1 houses a light source and control assembly, and the fixed base 2 has an image acquisition assembly at its bottom. The flexible telescopic cover 3 connects the bottom cover 1 and the fixed base 2. The support assembly includes a support base 4 and a support frame 5. The support base 4 is symmetrically arranged on both sides of the lower end of the flexible telescopic cover 3, and the support base 4 is detachably installed from the bottom cover 1. The support frame 5 is located on the outer side of the flexible telescopic cover 3, and the lower ends of both sides of the support frame 5 are connected to two sets of support... The support base 4 is movably connected. The support base 4 is provided with an arc-shaped guide groove 6 and a limiting groove 7, which are interconnected. The lower ends of the two side walls of the support frame 5 are provided with tail-end welded limiting pins 8, which are adapted to the positions of the arc-shaped guide groove 6 and the limiting groove 7. The top of the support frame 5 is provided with a connecting hole, and a connecting bolt 9 is provided in the connecting hole. The top of the fixed base 2 is provided with a limiting screw hole 10, and the connecting bolt 9 is connected to the limiting screw hole 10. In this utility model, the connecting bolt 9 is connected to the support frame 5 through a retaining spring, thereby preventing the connecting bolt 9 from falling off.

[0030] A bending limiting piece 25 is provided on one side of the upper end of the support base 4, and the bending limiting piece 25 is integrally formed with the support base 4. By setting the bending limiting piece 25, the rotation state of the support frame 5 can be limited. When the support frame 5 rotates to the vertical state, it is blocked by the bending limiting piece 25 and will not continue to rotate.

[0031] In this utility model, the flexible telescopic cover includes a cover body, a lower metal ring, and an upper metal ring. The lower metal ring is fixed to the bottom cover 1 by screws, the lower opening of the cover body is fitted onto the lower metal ring and fixed with adhesive, and the upper opening of the cover body is fitted onto the upper metal ring and fixed with adhesive.

[0032] This invention features a flexible folding mark display device consisting of a bottom cover 1, a fixed base 2, a flexible telescopic cover 3, and a support assembly. The flexible telescopic cover 3 connects the bottom cover 1 and the fixed base 2, and can be folded to reduce the size of the display device and make it easy to carry. The support assembly consists of a support base 4 and a support frame 5. The support frame 5 is locked to the support base 4 by flipping. The vertical support frame 5 can serve as a support structure for unfolding the flexible telescopic cover 3, ensuring the stability of the flexible telescopic cover 3 after unfolding.

[0033] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A flexible folding mark revealer, characterized in that: The device includes a bottom cover (1), a fixed base (2), a flexible telescopic cover (3), and a support assembly. The bottom cover (1) is equipped with a light source and control assembly. The fixed base (2) is equipped with an image acquisition assembly at its bottom. The flexible telescopic cover (3) connects the bottom cover (1) and the fixed base (2). The support assembly includes a support base (4) and a support frame (5). The support base (4) is symmetrically arranged on both sides of the lower end of the flexible telescopic cover (3), and the support base (4) and the bottom cover (1) are detachable. The support frame (5) is provided on the outer side of the flexible telescopic cover (3). The support frame (5) is located on both sides of the lower end of the flexible telescopic cover (3). The end is movably connected to the two sets of support seats (4). The support seat (4) is provided with an arc-shaped guide groove (6) and a limiting groove (7). The arc-shaped guide groove (6) and the limiting groove (7) are interconnected. The lower end of the two side walls of the support frame (5) is provided with a tail end welded limiting pin (8). The tail end welded limiting pin (8) is adapted to the position of the arc-shaped guide groove (6) and the limiting groove (7). The top of the support frame (5) is provided with a connecting hole. The connecting hole is provided with a connecting bolt (9). The top of the fixed seat (2) is provided with a limiting screw hole (10). The connecting bolt (9) is connected to the limiting screw hole (10).

2. The flexible crease marker of claim 1, wherein: The support frame (5) has a limiting slot (11) at the lower end on both sides. The limiting slot (11) is provided with a fastening bolt (12). The fastening bolt (12) passes through the mating hole on the support base (4) and is locked and fixed to the support base (4) by a wing nut (13).

3. The flexible folding mark revealer according to claim 2, characterized in that: The support base (4) is provided with mounting bolts (14), and the support base (4) is detachably installed to the top of the bottom cover (1) by means of mounting bolts (14).

4. The flexible crease visualizer of claim 1, wherein: The light source and control components include a main circuit board (15), a control circuit chip (16), a white-ultraviolet-infrared-blue-green LED array (17), a linear light source lamp board (18), a linear light source focusing cylindrical lens (19), and a focusing cylindrical lens fixing bracket (20). The main circuit board (15) is glued to the upper interior of the bottom cover (1), and the linear light source lamp board (18) is glued to the four side walls inside the bottom cover (1). A focusing cylindrical lens fixing bracket (20) is provided below the main circuit board (15). The four corners of the focusing cylindrical lens fixing bracket (20) are glued to the four corners inside the bottom cover (1). The linear light source focusing cylindrical lens (19) is fixedly installed in the crescent hole of the focusing cylindrical lens fixing bracket (20). The main circuit board (15) is provided with a control circuit chip (16) and a white-ultraviolet-infrared-blue-green LED array (17).

5. The flexible crease marker of claim 4, wherein: The light source and control components also include a data-power socket (21) and a band switch (22), both of which are located on the top of the bottom cover (1).

6. The flexible folding mark revealer according to claim 1, characterized in that: The image acquisition component includes a camera plate (23) and a camera lens hood (24). The camera plate (23) is provided at the bottom of the mounting base (2). The camera plate (23) is connected to the screw hole of the mounting base (2) by screws. The camera lens hood (24) is provided at the lower end of the camera plate (23).

7. The flexible crease visualizer of claim 1, wherein: The support base (4) has a bending limiting piece (25) on one side of its upper end, and the bending limiting piece (25) is integrally formed with the support base (4).

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