Adjustable trace material evidence shooting scale

By designing an adjustable trace physical evidence shooting ruler, using rubber blocks, sliders and threaded rod mechanisms, the problem of traditional rulers being fixed in size and unable to take three-dimensional traces is solved, and the shooting needs of complex on-site environments and traces of different sizes and shapes is achieved.

CN222912550UActive Publication Date: 2025-05-27PUBLIC SECURITY BUREAU OF CHANGZHOU CITY
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Patent Information

Application Number
CN202422528239.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-18
Publication Date
2025-05-27
Estimated Expiration
2034-10-18

AI Technical Summary

Technical Problem

The traditional trace physical evidence shooting ruler is fixed in size, which is difficult to meet the complex and changeable field environment and the shooting needs of traces of different sizes and shapes, and it is impossible to effectively shoot three-dimensional trace physical evidence.

Method used

Design an adjustable trace physical testimonial shooting ruler, through the design of ruler components, including adjustable long-side ruler and wide-side ruler, the length and height adjustment is achieved using rubber blocks and slide mechanisms, and the height adjustment is achieved through the rotational adjustment blocks and threaded rod mechanisms.

Benefits of technology

The adjustability of the ruler is achieved, adapted to the shooting needs of trace physical evidence of different sizes and shapes, and can effectively take three-dimensional trace physical evidence to meet the requirements of criminal lawsuit evidence photos.

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Abstract

The utility model discloses an adjustable trace material evidence shooting scale, and particularly relates to the field of trace material evidence shooting scales, the adjustable trace material evidence shooting scale comprises a scale assembly, the scale assembly comprises a first long-edge scale, a first through groove is formed in the first long-edge scale, and the inner wall of one end of the first through groove is fixedly connected with a plurality of first rubber clamping blocks; a second long-edge ruler is slidably connected into the first penetrating groove, and first sliding pieces are fixedly connected to the top and the bottom of one end of the second long-edge ruler correspondingly. According to the utility model, through the arrangement of the scale assembly, when the scale is used, the scale can be adjusted according to the required length, when the second long-edge scale is pulled out, the first sliding sheet is clamped by the first rubber clamping block, when the third long-edge scale is pulled out, the second sliding sheet is clamped by the second rubber clamping block, and when the second wide-edge scale is pulled out, the third sliding sheet is clamped by the third rubber clamping block; and when the third wide-edge scale is pulled out, a fourth rubber clamping block clamps a fourth sliding sheet, and the effect that the scale can be adjusted is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of shooting scales for trace evidence, and more specifically, the utility model relates to an adjustable shooting scale for trace evidence. Background Art

[0002] Traditional methods for shooting trace evidence often rely on scales or scale plates with fixed sizes. These tools have certain limitations in use and are difficult to meet the shooting requirements of complex and variable on-site environments and traces of different sizes and shapes. Therefore, an adjustable shooting scale for trace evidence is needed to meet the shooting requirements of complex and variable on-site environments and traces of different sizes and shapes.

[0003] Currently, there are many types of scales on the market, all of which are flat styles and are only suitable for shooting flat trace evidence. For shooting three-dimensional trace evidence, there will be an embarrassing situation where "when the object to be photographed is in focus, the scale is blurred, and when the scale is in focus, the object to be photographed cannot be clearly photographed", resulting in the final photos not meeting the requirements of criminal litigation evidence photos. Summary of the Utility Model

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides an adjustable shooting scale for trace evidence to solve the problems raised in the above background art.

[0005] To achieve the above object, the utility model provides the following technical solution: An adjustable shooting scale for trace evidence, comprising a scale assembly. The scale assembly includes a first long-side scale. A first through groove is opened inside the first long-side scale. One end inner wall of the first through groove is fixedly connected with a plurality of first rubber blocks. A second long-side scale is slidably connected inside the first through groove. Both the top and bottom of one end of the second long-side scale are fixedly connected with first sliding pieces. A second through groove is opened inside the second long-side scale. One end inner wall of the second through groove is fixedly connected with a plurality of second rubber blocks. A third long-side scale is slidably connected inside the second through groove. Both the top and bottom of one end of the third long-side scale are fixedly connected with second sliding pieces. A first connection disk is sleeved inside one side of the first long-side scale, and a first thin plate is sleeved inside the first connection disk.

[0006] As a further description of the above technical solution:

[0007] One side of the first long-edge scale is fixedly connected with a first wide-edge scale. A third through groove is formed inside the first wide-edge scale. One end inner wall of the third through groove is fixedly connected with a plurality of third rubber clamping blocks. A second wide-edge scale is slidably connected inside the third through groove. Both the top and bottom of one end of the second wide-edge scale are fixedly connected with third sliding pieces. A fourth through groove is formed inside the second wide-edge scale. One end inner wall of the fourth through groove is fixedly connected with a plurality of fourth rubber clamping blocks. A third wide-edge scale is slidably connected inside the fourth through groove. Both the top and bottom of one end of the third wide-edge scale are fixedly connected with fourth sliding pieces. A second connecting disc is sleeved inside one side of the first wide-edge scale, and a second thin sheet is sleeved inside the second connecting disc.

[0008] As a further description of the above technical solution:

[0009] A plurality of first buckles are movably clamped on both sides of the scale assembly. The bottom of the first buckle is fixedly connected with a top shell. One side of the top shell is fixedly connected with a second buckle. One side inner wall of the top shell is fixedly connected with a first fixing block.

[0010] As a further description of the above technical solution:

[0011] Both sides of the first fixing block are fixedly connected with first connecting columns. A first support rod is sleeved outside the first connecting columns. The other side inner wall of the top shell is fixedly connected with a first sliding rail. A first sliding block is slidably connected outside the first sliding rail.

[0012] As a further description of the above technical solution:

[0013] Both sides of the first sliding block are fixedly connected with second connecting columns. A second support rod is sleeved outside the second connecting columns. A movable shaft is sleeved inside the first support rod and the second support rod. A first movable column is sleeved inside one end of the first support rod.

[0014] As a further description of the above technical solution:

[0015] One side of the first movable column is fixedly connected with a second sliding block. The second sliding block is slidably connected with a second sliding rail at the bottom. The second sliding rail is fixedly connected with a bottom shell at the bottom. A threaded rod is threadedly connected inside the second sliding block.

[0016] As a further description of the above technical solution:

[0017] One end of the screw rod penetrates through the bottom shell and is fixedly connected with an adjusting block. A second movable column is sleeved inside one end of the second support rod. One side of the second movable column is fixedly connected with a second fixing block. The second fixing block is fixedly connected with the bottom shell.

[0018] The technical effects and advantages of the present utility model:

[0019] 1. By setting a ruler component, when using the ruler, the first long-side ruler, the second long-side ruler, the third long-side ruler, the first wide-side ruler, the second wide-side ruler, and the third wide-side ruler can be adjusted according to the required length. When the second long-side ruler is pulled out, the first rubber block clamps the first sliding piece. When the third long-side ruler is pulled out, the second rubber block clamps the second sliding piece. When the second wide-side ruler is pulled out, the third rubber block clamps the third sliding piece. When the third wide-side ruler is pulled out, the fourth rubber block clamps the fourth sliding piece, achieving the effect that the ruler can be adjusted.

[0020] 2. By setting the first slide rail, the second slide rail, the first slider, and the second slider, when photographing three-dimensional trace evidence, the top shell and the bottom shell are opened, the adjusting block is rotated to make the threaded rod rotate, the threaded rod makes the second slider move on the second slide rail, the second slider drives the first movable column, the movable shaft, and the first support rod to move, the first support rod makes the first connecting column, the first fixing block, and the top shell move upward, the movable shaft drives the second support rod to move around the second movable column as the center, and the second support rod drives the second connecting column and the first slider to move on the first slide rail, achieving the effect that the height can be adjusted. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0022] Figure 2 For the present invention Figure 1 An enlarged view of part A in the present invention.

[0023] Figure 3 For the present invention Figure 1 An enlarged view of part B in the present invention.

[0024] Figure 4 It is a schematic diagram of the structure of the ruler component of the present invention.

[0025] Figure 5 It is a schematic diagram of the structure of the ruler component pulled out of the present invention.

[0026] Figure 6 It is a schematic diagram of a partial structure of the ruler component of the present invention

[0027] Figure 7 It is a schematic diagram of the internal structure of the top shell and the bottom shell of the present invention

[0028] The reference numerals are as follows: 1, first long-side scale; 2, first through groove; 3, first rubber clamping block; 4, second long-side scale; 5, first sliding piece; 6, second through groove; 7, second rubber clamping block; 8, third long-side scale; 9, second sliding piece; 10, first connecting plate; 11, first thin sheet; 12, first wide-side scale; 13, third through groove; 14, third rubber clamping block; 15, second wide-side scale; 16, third sliding piece; 17, fourth through groove; 18, fourth rubber clamping block; 19, third wide-side scale; 20, fourth sliding piece; 21, second connecting plate; 22, second thin sheet; 23, first buckle; 24, top shell; 25, second buckle; 26, first fixing block; 27, first connecting column; 28, bottom shell; 29, first support rod; 30, first slide rail; 31, first slider; 32, second connecting column; 33, second support rod; 34, movable shaft; 35, first movable column; 36, second slider; 37, second slide rail; 38, threaded rod; 39, adjusting block; 40, second movable column; 41, second fixing block. Detailed implementation manners

[0029] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0030] As shown in the attached Figures 1-7 An adjustable shooting scale for trace evidence shown in the figure includes a scale assembly. The scale assembly includes a first long-side scale 1. A first through groove 2 is opened inside the first long-side scale 1. A plurality of first rubber clamping blocks 3 are fixedly connected to the inner wall of one end of the first through groove 2. A second long-side scale 4 is slidably connected inside the first through groove 2. First sliding pieces 5 are fixedly connected to both the top and bottom of one end of the second long-side scale 4. A second through groove 6 is opened inside the second long-side scale 4. A plurality of second rubber clamping blocks 7 are fixedly connected to the inner wall of one end of the second through groove 6. A third long-side scale 8 is slidably connected inside the second through groove 6. Second sliding pieces 9 are fixedly connected to both the top and bottom of one end of the third long-side scale 8. A first connecting plate 10 is sleeved inside one side of the first long-side scale 1. A first thin sheet 11 is sleeved inside the first connecting plate 10. The scale assembly can achieve an adjustable effect.

[0031] In some embodiments, according to Figure 5As shown, a first wide-edge scale 12 is fixedly connected to one side of the first long-edge scale 1. A third through groove 13 is provided inside the first wide-edge scale 12. A plurality of third rubber blocks 14 are fixedly connected to the inner wall of one end of the third through groove 13. A second wide-edge scale 15 is slidably connected inside the third through groove 13. Third sliding pieces 16 are fixedly connected to both the top and bottom of one end of the second wide-edge scale 15. A fourth through groove 17 is provided inside the second wide-edge scale 15. A plurality of fourth rubber blocks 18 are fixedly connected to the inner wall of one end of the fourth through groove 17. A third wide-edge scale 19 is slidably connected inside the fourth through groove 17. Fourth sliding pieces 20 are fixedly connected to both the top and bottom of one end of the third wide-edge scale 19. A second connecting disk 21 is sleeved inside one side of the first wide-edge scale 12. A second thin sheet 22 is sleeved inside the second connecting disk 21, and the second thin sheet 22 can be pasted with explanatory labels.

[0032] In some embodiments, according to Figure 1 As shown, a plurality of first buckles 23 are movably clamped on both sides of the scale assembly. A top shell 24 is fixedly connected to the bottom of the first buckle 23. A second buckle 25 is fixedly connected to one side of the top shell 24. A first fixing block 26 is fixedly connected to one side of the inner wall of the top shell 24. The settings of the first buckle 23 and the second buckle 25 can effectively clamp the scale.

[0033] In some embodiments, according to Figure 7 As shown, first connecting columns 27 are fixedly connected to both sides of the first fixing block 26. A first support rod 29 is sleeved outside the first connecting column 27. A first slide rail 30 is fixedly connected to the other side of the inner wall of the top shell 24. A first slider 31 is slidably connected to the outside of the first slide rail 30. The first slide rail 30 and the first slider 31 enable it to be adjusted.

[0034] In some embodiments, according to Figure 7 As shown, second connecting columns 32 are fixedly connected to both sides of the first slider 31. A second support rod 33 is sleeved outside the second connecting column 32. A movable shaft 34 is sleeved inside the first support rod 29 and the second support rod 33. The movable shaft 34 connects the first support rod 29 and the second support rod 33.

[0035] In some embodiments, according to Figure 7 As shown, a second slider 36 is fixedly connected to one side of the first movable column 35. The second slider 36 is slidably connected to the bottom of a second slide rail 37. The second slide rail 37 is fixedly connected to the bottom shell 28. A threaded rod 38 is threadedly connected to the second slider 36, and the threaded rod 38 can adjust the position of the second slider 36.

[0036] In some embodiments, according to Figure 7As shown, one end of the screw rod 38 penetrates through the bottom shell 28 and is fixedly connected with an adjusting block 39. A second movable column 40 is sleeved inside one end of the second support rod 33. A second fixing block 41 is fixedly connected to one side of the second movable column 40. The second fixing block 41 is fixedly connected with the bottom shell 28. Rotating the adjusting block 39 can rotate the threaded rod 38.

[0037] The working principle of the present utility model: When using the scale, the first long-edge scale 1, the second long-edge scale 4, the third long-edge scale 8, the first wide-edge scale 12, the second wide-edge scale 15, and the third wide-edge scale 19 can be adjusted according to the required length. When the second long-edge scale 4 is pulled out, the first rubber block 3 clamps the first sliding piece 5. When the third long-edge scale 8 is pulled out, the second rubber block 7 clamps the second sliding piece 9. When the second wide-edge scale 15 is pulled out, the third rubber block 14 clamps the third sliding piece 16. When the third wide-edge scale 19 is pulled out, the fourth rubber block 18 clamps the fourth sliding piece 20, achieving the effect that the scale can be adjusted.

[0038] When the scale needs to be replaced, the scale is pulled out from the first buckle 23. When the scale needs to be placed on the side, the scale assembly can be clamped by the second buckle 25. When a label needs to be pasted, the first thin sheet 11 is opened and rotated, and the label is pasted on the first thin sheet 11, or the second thin sheet 22 is opened and rotated, and the label is pasted, achieving the effect that a label can be pasted.

[0039] When the shooting of three-dimensional trace evidence is required, the top shell 24 and the bottom shell 28 are opened. The adjusting block 39 is rotated to rotate the threaded rod 38. The threaded rod 38 moves the second slider 36 on the second slide rail 37. The second slider 36 drives the first movable column 35, the movable shaft 34, and the first support rod 29 to move. The first support rod 29 moves the first connecting column 27, the first fixing block 26, and the top shell 24 upward. The movable shaft 34 drives the second support rod 33 to move around the second movable column 40. The second support rod 33 drives the second connecting column 32 and the first slider 31 to move on the first slide rail 30, achieving the effect that the height can be adjusted.

[0040] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. An adjustable scale for photographing trace evidence, characterized in that: The scale assembly comprises a first long side scale (1), wherein a first through groove (2) is provided inside the first long side scale (1), a plurality of first rubber blocks (3) are fixedly connected to the inner wall of one end of the first through groove (2), a second long side scale (4) is slidably connected inside the first through groove (2), a first sliding plate (5) is fixedly connected to the top and bottom of one end of the second long side scale (4), a second through groove (6) is provided inside the second long side scale (4), a plurality of second rubber blocks (7) are fixedly connected to the inner wall of one end of the second through groove (6), a third long side scale (8) is slidably connected inside the second through groove (6), a second sliding plate (9) is fixedly connected to the top and bottom of one end of the third long side scale (8), a first connection plate (10) is sleeved inside one side of the first long side scale (1), and a first thin plate (11) is sleeved inside the first connection plate (10).

2. The adjustable trace evidence photographing scale according to claim 1, characterized in that: A first wide side ruler (12) is fixedly connected to one side of the first long side ruler (1), a third through-groove (13) is provided inside the first wide side ruler (12), a plurality of third rubber blocks (14) are fixedly connected to the inner wall of one end of the third through-groove (13), a second wide side ruler (15) is slidably connected inside the third through-groove (13), a third sliding plate (16) is fixedly connected to the top and bottom of one end of the second wide side ruler (15), a fourth through-groove (17) is provided inside the second wide side ruler (15), a plurality of fourth rubber blocks (18) are fixedly connected to the inner wall of one end of the fourth through-groove (17), a third wide side ruler (19) is slidably connected inside the fourth through-groove (17), a fourth sliding plate (20) is fixedly connected to the top and bottom of one end of the third wide side ruler (19), a second connecting plate (21) is sleeved inside one side of the first wide side ruler (12), a second thin plate (22) is sleeved inside the second connecting plate (21).

3. The adjustable trace evidence photographing scale according to claim 2, characterized in that: A plurality of first buckles (23) are movably connected at both sides of the scale assembly; a top shell (24) is fixedly connected to the bottom of the first buckle (23); a second buckle (25) is fixedly connected to one side of the top shell (24); and a first fixing block (26) is fixedly connected to one side of the inner wall of the top shell (24).

4. The adjustable trace evidence photographing scale according to claim 3, characterized in that: The first fixing block (26) is fixedly connected to first connecting columns (27) on both sides, the first connecting column (27) is sleeved with a first supporting rod (29) on the outside, the other side of the inner wall of the top shell (24) is fixedly connected to a first slide rail (30), and the first slide rail (30) is slidably connected to a first sliding block (31) on the outside.

5. The adjustable trace evidence photographing scale according to claim 4, characterized in that: Second connecting columns (32) are fixedly connected to both sides of the first sliding block (31); a second supporting rod (33) is sleeved on the outside of the second connecting column (32); a movable shaft (34) is sleeved on the inside of the first supporting rod (29) and the second supporting rod (33); and a first movable column (35) is sleeved on one end of the first supporting rod (29).

6. The adjustable trace evidence photographing scale according to claim 5, characterized in that: A second sliding block (36) is fixedly connected to one side of the first movable column (35); a second sliding rail (37) is slidably connected to the bottom of the second sliding block (36); a bottom shell (28) is fixedly connected to the bottom of the second sliding rail (37); and a threaded rod (38) is threadedly connected to the inside of the second sliding block (36).

7. The adjustable trace evidence photographing scale according to claim 6, characterized in that: One end of the threaded rod (38) passes through the bottom shell (28) and is fixedly connected to an adjustment block (39); a second movable column (40) is sleeved inside one end of the second support rod (33); one side of the second movable column (40) is fixedly connected to a second fixed block (41); and the second fixed block (41) is fixedly connected to the bottom shell (28).