Handheld physical evidence discovering instrument
By designing a handheld physical evidence discovery instrument, the flexible movement and angle adjustment of the laser irradiation head is achieved using the connection mechanism and control components, the problem of limited survey range caused by large volume in the prior art is solved, and the scope of surveying is achieved in all positions and corners of the site is realized. Detailed surveys, especially efficient surveys at narrow locations and corners.
Patent Information
- Application Number
- CN202421084685.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-17
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-05-17
AI Technical Summary
Due to its large size, the existing physical evidence discovery instruments are inconvenient to survey corners and narrow locations on site, which limits its survey scope.
A handheld physical evidence discovery instrument is designed. By setting a laser irradiation head on the storage rod, and using the connecting mechanism and control components, the laser irradiation head can be flexibly moved and angle adjustment, so that it can easily enter narrow positions and corners for surveying. .
This design improves the survey range of the physical evidence discovery instrument, allowing it to conveniently conduct detailed surveys of various locations and corners on the site, especially at narrow locations and corners, significantly expanding the accessibility of the survey.
Smart Images
Figure CN222212972U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of physical evidence discovery instruments, in particular to a handheld physical evidence discovery instrument. Background Art
[0002] The physical evidence detection instrument can detect various physical evidence and traces in a non-destructive way. It has the direct detection function for sweat fingerprints, dust fingerprints, latent blood fingerprints and oil fingerprints, and directly obtains the most original and real information. It has a super strong detection function for biologically active components without destruction, such as blood stains, latent blood, semen stains, saliva stains, sweat stains, urine stains, hair, desquamated cells, bone and tooth fragments, etc.
[0003] However, in the prior art, the existing evidence discovery instrument is not convenient for surveying the corners of the scene or the narrow locations of the scene due to its large size. Utility Model Content
[0004] In view of the above technical problems, the utility model provides a handheld physical evidence discovery instrument, which can conveniently survey various locations and corners of the scene, and is convenient for surveying narrow locations on the scene, thereby increasing the survey range of the physical evidence discovery instrument.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a handheld evidence discovery instrument, comprising a power block, a storage rod vertically arranged on the power block, and a laser irradiation head arranged on the end of the storage rod away from the power block through a connecting mechanism, the connecting mechanism comprising a control component arranged in a storage groove opened on the end face of the storage rod away from the power block, and a plurality of connecting blocks adjacent to each other and connected through the connecting component and inserted into the storage groove, two connecting blocks far away from each other are respectively fixedly arranged on the control component and the laser irradiation head; the connecting component is used to rotatably connect two adjacent connecting blocks and relatively fix the two connecting blocks.
[0006] Preferably, the control component includes a moving block movably inserted into the storage slot and connected to the connecting block at one end face away from the power block, and a fixing member arranged on the side of the moving block and fixing the position of the moving block in the storage slot.
[0007] Preferably, a sliding groove that penetrates the interior of the storage slot is opened on the side of the storage rod along the length direction, and the fixing part includes a hidden block that is penetrated in the hidden groove opened on the side of the moving block adjacent to the sliding groove, an elastic structure arranged on the bottom wall of the hidden groove and connected to the hidden block, a fixed rack arranged on the end surface of the hidden block away from the hidden groove, a fixed block that penetrates the sliding groove and has one end fixedly connected to the hidden block, and a positioning rack that penetrates the storage slot adjacent to the sliding groove along the vertical direction.
[0008] Preferably, the connecting component includes a first rotating block fixedly arranged on one of the adjacent end faces of two adjacent connecting blocks, a second rotating block with one end fixedly arranged on the other adjacent end face of the two adjacent connecting blocks and the other end rotatably arranged in a rotating groove provided in the first rotating block, an adapter plate rotatably passed through the positioning groove and with the end face fixedly connected to the end face of the second rotating block, and a connecting member arranged on the adapter plate to relatively fix the position between the first rotating block and the second rotating block, and a positioning groove is provided on the rotating groove wall around the axial direction of the rotational connection between the first rotating block and the second rotating block.
[0009] Preferably, the positioning groove wall is provided with a plurality of slots in a circular array, and the connecting member includes a plurality of telescopic rods which are respectively fixed and penetrated into a plurality of telescopic slots at equal intervals on the side of the adapter plate, a clamping spring which is sleeved on the body of the telescopic rod, and a clamping rod which is rotatably provided on the end of the telescopic rod away from the adapter plate and matches the slots, and the clamping spring is in a compressed state.
[0010] The beneficial effects of the utility model are as follows: the arranged laser irradiation head is convenient for surveying the on-site environment. When conducting a detailed survey of a narrow location or a corner at the scene, a plurality of connection blocks connected by the connection assembly are directly driven to move to the outside of the storage slot through the control assembly, thereby facilitating the movement of the laser irradiation head arranged on the connection block away from the power block, and by rotating the angle between adjacent connection blocks, it is convenient to adjust the direction of the laser irradiation head, thereby facilitating the control of the laser irradiation head to move to a narrow location or a corner, so as to conduct a detailed survey of the on-site environment, conveniently survey various locations and corners at the scene, and facilitate the survey of narrow locations at the scene, thereby improving the survey range of the physical evidence discovery instrument. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0012] Figure 1 The utility model is a simplified structural diagram of the handheld evidence discovery instrument.
[0013] Figure 2 This is a schematic diagram of the cross-sectional structure of the handheld evidence discovery instrument proposed by the utility model.
[0014] Figure 3 It is a schematic diagram of the storage rod cross section and control assembly structure of the utility model.
[0015] Figure 4 It is a schematic diagram of the structure of the connection component of the utility model.
[0016] Figure 5It is a schematic diagram of the enlarged structure of point A of the utility model.
[0017] Figure 6 It is a schematic diagram of the enlarged structure of point B of the utility model.
[0018] In the figure: 1. power block; 2. storage rod; 3. limit block; 4. laser irradiation head; 5. sliding slot; 6. control block; 7. storage slot; 8. connecting block; 9. first rotating block; 10. second rotating block; 11. moving block; 12. positioning rack; 13. limit hole; 14. hidden slot; 15. hidden block; 16. fixed block; 17. fixed rack; 18. rotating slot; 19. positioning slot; 20. card slot; 21. adapter plate; 22. telescopic slot; 23. telescopic rod; 24. clamping spring; 25. clamping rod. DETAILED DESCRIPTION
[0019] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments and drawings, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the present invention.
[0020] See also Figure 1-6 A handheld evidence discovery instrument comprises a power block 1, a storage rod 2 vertically arranged on the power block 1, and a laser irradiation head 4 arranged on the end of the storage rod 2 away from the power block 1 through a connecting mechanism, the connecting mechanism comprising a control component arranged in a storage groove 7 opened on the end surface of the storage rod 2 away from the power block 1, and a plurality of connecting blocks 8 adjacent to each other and connected through the connecting component and passing through the storage groove 7, two connecting blocks 8 far away from each other are respectively fixedly arranged on the control component and the laser irradiation head 4; the connecting component is used to rotatably connect two adjacent connecting blocks 8 and relatively fix the two connecting blocks 8.
[0021] like Figure 1-6As shown, when surveying a narrow location or corner at the scene, the control component is directly used to drive multiple connecting blocks 8 and the connecting components connecting adjacent connecting blocks 8 to move away from the storage tank 7, so as to facilitate the control of the laser irradiation head 4 to move in the direction away from the power block 1, so as to facilitate the control of the distance between the laser irradiation head 4 and the power block 1, so as to facilitate the laser irradiation head 4 to extend into the depth of the narrow location or corner, so as to facilitate the laser irradiation head 4 to conduct a careful survey of the narrow location or corner, and when the multiple connecting blocks 8 are moved to the outside of the storage tank 7, the angle between the adjacent connecting blocks 8 is rotated to facilitate the adjustment of the angle of the laser irradiation head 4, so as to facilitate the laser irradiation head 4 to extend into the narrow space and survey the environment in the space, so as to conveniently survey various locations and corners at the scene, and facilitate the survey of narrow locations at the scene, thereby improving the survey range of the physical evidence discovery instrument.
[0022] The control component includes a moving block 11 that is movably arranged in the storage slot 7 and connected to the connecting block 8 at one end away from the power block 1 , and a fixing member that is arranged on the side of the moving block 11 and fixes the position of the moving block 11 in the storage slot 7 .
[0023] A sliding groove 5 that penetrates the interior of the storage slot 7 is opened on the side of the storage rod 2 along the length direction. The fixing part includes a hidden block 15 that is penetrated in a hidden groove 14 opened on the side of the moving block 11 adjacent to the sliding groove 5, an elastic structure that is arranged on the bottom wall of the hidden groove 14 and connected to the hidden block 15, a fixed rack 17 that is arranged on the end surface of the hidden block 15 away from the hidden groove 14, a fixed block 16 that is penetrated in the sliding groove 5 and fixedly connected to the hidden block 15 at one end, and a positioning rack 12 that is penetrated in the vertical direction and is located at a position of the storage slot 7 adjacent to the sliding groove 5.
[0024] like Figure 2-3 and Figure 5 As shown, when it is necessary to control multiple connecting blocks 8 to move to the outside of the storage slot 7, the hidden block 15 is driven to move into the hidden slot 14 by pressing the fixed block 16, so that the fixed rack 17 arranged on the hidden block 15 is moved in the direction away from the positioning rack 12, so that it is convenient to control the fixed block 16 to move up and down in the direction of the sliding slot 5, so as to control the laser irradiation head 4 arranged on the connecting block 8 to move in the direction away from the power supply block 1, so as to facilitate the laser irradiation head 4 to be extended into a narrow position to survey the environment, and various positions and corners of the scene can be conveniently surveyed, and it is convenient to survey narrow positions on the scene, thereby improving the survey range of the physical evidence discovery instrument.
[0025] The connecting assembly includes a first rotating block 9 fixedly arranged on one of the adjacent end faces of two adjacent connecting blocks 8, a second rotating block 10 with one end fixedly arranged on the other adjacent end face of the two adjacent connecting blocks 8 and the other end rotatably arranged in a rotating groove 18 opened in the first rotating block 9, an adapter plate 21 rotatably passed through the positioning groove 19 and with the end face fixedly connected to the end face of the second rotating block 10, and a connecting member arranged on the adapter plate 21 to relatively fix the position between the first rotating block 9 and the second rotating block 10, and a positioning groove 19 is opened on the wall of the rotating groove 18 around the axial direction of the rotational connection between the first rotating block 9 and the second rotating block 10.
[0026] The groove wall of the positioning groove 19 is provided with a plurality of slots 20 in a circular array, and the connecting member includes a plurality of telescopic rods 23 which are respectively fixedly arranged in a plurality of telescopic slots 22 which are evenly spaced on the side of the adapter plate 21, a clamping spring 24 which is sleeved on the rod body of the telescopic rod 23, and a clamping rod 25 which is rotatably arranged on the end of the telescopic rod 23 away from the adapter plate 21 and matches the clamping slot 20, and the clamping spring 24 is in a compressed state.
[0027] like Figure 1-6 As shown, the adjacent connecting blocks 8 are rotatably connected by the first rotating block 9 and the second rotating block 10. When the direction of the laser irradiation head 4 needs to be adjusted, the angle between the first rotating block 9 and the second rotating block 10 is rotated, so as to facilitate the direction of the laser irradiation head 4. The end face of the second rotating block 10 is provided with an adapter plate 21 which is inserted into the positioning groove 19 provided in the wall of the rotating groove of the first rotating block 9, and a plurality of clamping rods 25 arranged on the side of the adapter plate 21 are inserted into the clamping groove 20 provided in the wall of the positioning groove 19, so as to facilitate the relative fixation of the position of the adapter plate 21 in the positioning groove 19. When the angle between the first rotating block 9 and the second rotating block 10 needs to be rotated, the clamping rods 25 arranged on the side of the adapter plate 21 will be The positioning groove 19 moves on the groove wall, and when moving out of the slot 20, the clamping rod 25 will compress the clamping spring 24 on the telescopic rod 23, and when the clamping rod 25 moves to another slot 20, the clamping spring 24 is extended, so that the clamping rod 25 is clamped in the slot 20, so that the position between the first rotating block 9 and the second rotating block 10 is relatively fixed, so that the angle of the laser irradiation head 4 is fixed, so as to ensure that the position of the laser irradiation head 4 is relatively stable and fixed, so that the laser irradiation head 4 is inserted into a narrow position to survey the narrow position, and various positions and corners of the scene can be surveyed conveniently, and narrow positions on the scene can be surveyed, thereby improving the survey range of the physical evidence discovery instrument.
[0028] A limiting block 3 is fixedly arranged at an opening position of the storage slot 7 away from the power block 1 , and a limiting hole 13 sleeved on the connecting block 8 is opened on the end surface of the limiting block 3 .
[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.
Claims
1. A handheld evidence discovery instrument, comprising a power block (1), a storage rod (2) vertically arranged on the power block (1), and a laser irradiation head (4) arranged on an end of the storage rod (2) away from the power block (1) through a connecting mechanism, characterized in that: The connection mechanism comprises a control component arranged in a storage groove (7) provided on an end surface of a storage rod (2) away from a power supply block (1), and a plurality of connection blocks (8) adjacent to each other end to end and connected through the connection component and inserted into the storage groove (7); two connection blocks (8) away from each other are respectively fixedly arranged on the control component and the laser irradiation head (4); and the connection component is used for rotatably connecting two adjacent connection blocks (8) and fixing the two connection blocks (8) relatively.
2. A handheld evidence discovery device according to claim 1, characterized in that: The control component comprises a moving block (11) which is movably arranged in the storage slot (7) and connected to the connecting block (8) at an end face away from the power supply block (1), and a fixing member which is arranged on the side of the moving block (11) and fixes the position of the moving block (11) in the storage slot (7).
3. A handheld evidence discovery device according to claim 2, characterized in that: A sliding groove (5) which is connected to the inside of the storage groove (7) is provided on the side of the storage rod (2) along the length direction. The fixing member comprises a hidden block (15) which is arranged in a hidden groove (14) provided on the side of the moving block (11) adjacent to the sliding groove (5), an elastic structure which is arranged on the bottom wall of the hidden groove (14) and connected to the hidden block (15), a fixed rack (17) which is arranged on the end surface of the hidden block (15) away from the hidden groove (14), a fixed block (16) which is arranged in the sliding groove (5) and fixedly connected to the hidden block (15) at one end, and a positioning rack (12) which is arranged in a vertical direction and is arranged at a position of the storage groove (7) adjacent to the sliding groove (5).
4. A handheld evidence discovery device according to claim 3, characterized in that: The connection assembly comprises a first rotating block (9) fixedly arranged on one of the adjacent end surfaces of two adjacent connecting blocks (8), a second rotating block (10) having one end fixedly arranged on the other adjacent end surface of the two adjacent connecting blocks (8) and the other end rotatably arranged in a rotating groove (18) provided in the first rotating block (9), an adapter plate (21) rotatably inserted into the positioning groove (19) and having an end surface fixedly connected to the end surface of the second rotating block (10), and a connecting member arranged on the adapter plate (21) for relatively fixing the positions of the first rotating block (9) and the second rotating block (10), wherein the groove wall of the rotating groove (18) is provided with a positioning groove (19) around the axial direction of the rotational connection between the first rotating block (9) and the second rotating block (10).
5. A handheld evidence discovery device according to claim 4, characterized in that: The groove wall of the positioning groove (19) is provided with a plurality of clamping grooves (20) in a circumferential array, and the connecting member comprises a plurality of telescopic rods (23) which are fixedly arranged one by one and penetrated into a plurality of telescopic grooves (22) which are evenly spaced on the side surface of the adapter plate (21), a clamping spring (24) which is sleeved on the rod body of the telescopic rod (23), and a clamping rod (25) which is rotatably arranged on an end of the telescopic rod (23) away from the adapter plate (21) and matches the clamping groove (20), and the clamping spring (24) is in a compressed state.