CN216926118U - Forensic field material evidence extractor - Google Patents
Forensic field material evidence extractor Download PDFInfo
- Publication number
- CN216926118U CN216926118U CN202220375963.XU CN202220375963U CN216926118U CN 216926118 U CN216926118 U CN 216926118U CN 202220375963 U CN202220375963 U CN 202220375963U CN 216926118 U CN216926118 U CN 216926118U
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- collector
- box body
- telescopic
- standing
- telescopic cylinders
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- 239000000463 material Substances 0.000 title abstract description 20
- 239000003292 glue Substances 0.000 claims 1
- 230000003068 static effect Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000000605 extraction Methods 0.000 abstract description 8
- 238000005070 sampling Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
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Abstract
The utility model discloses a forensic field physical evidence extractor, belonging to the technical field of physical evidence sampling; the method comprises the following steps: the device comprises a main body device and a collecting device, wherein the main body device comprises a box cover and a box body, the top of the box body is provided with an open cuboid structure, the open part of the box body is hinged with the box cover, a lock catch is arranged between the box cover and the box body, the standing frames are arranged in the box body, two groups of the standing frames are arranged on the same horizontal straight line, a standing pool is arranged between the standing frames, the telescopic cylinders are arranged in the box body, the two groups of telescopic cylinders are arranged on the same horizontal straight line, a hydrosol pool is arranged between the telescopic cylinders, the telescopic rods penetrate through the top of the telescopic cylinders and extend into the telescopic cylinders, a buffer plate is arranged at the bottom of the telescopic rods and is attached to the inner wall of the telescopic cylinders, a second spring is arranged between the bottom of the buffer plate and the telescopic cylinders, can evenly share the collection cover surface with the pressing force, improve extraction efficiency, the convenient collection to the material evidence to protect the material evidence, easy operation, it is convenient to collect the cover and change.
Description
Technical Field
The utility model discloses a forensic field physical evidence extractor, and belongs to the technical field of physical evidence sampling.
Background
When the forensic sampling of physical evidence is carried out, a trace amount of physical evidence enables a non-negligible evidence, wherein the nail seams located at the tail ends of fingers are used for scratching, twisting and the like resistance between a victim and a criminal suspect or in the fighting process with the victim, the skin tissue, trace amount of blood, clothing fiber and other trace amount of physical evidence of the criminal suspect can be scraped and left in the nail seams of the victim, and the trace amount of physical evidence in the nail seams of the victim can be extracted to provide key clues and scientific evidence for case detection. The existing material evidence extractor generally takes out material evidence by sticking, but pressure is uneven when the material evidence extractor is pressed, so that part of material evidence can not be extracted, the extraction effect is poor, and the condition that the material evidence is stuck on the ground is easy to occur.
The publication number CN213956809U discloses a material evidence sticking device, which comprises a shell, wherein a liquid inlet opening is arranged at the bottom end of the shell, a clamping block is arranged at the bottom end of the shell through a rotating shaft, evidence obtaining cloth is arranged at the bottom of the clamping block, a liquid inlet is arranged at the top of the clamping block, a diversion trench is arranged at the inner part of the clamping block, a cover body is arranged at the bottom end of the shell, a pressing block is arranged at the top end of the shell through a spring, a fixing rod is arranged at the bottom of the pressing block, a storage tank is arranged at the bottom end of the fixing rod, a liquid outlet is arranged at the bottom of the storage tank, a fixing block is arranged in the middle of the fixing rod, a support is arranged on the fixing rod, a limiting rod is arranged at the bottom end of the support through the rotating rod and is connected with the clamping block through the rotating rod, an anti-skid pad is arranged at the side surface of the shell, the clamping block can conveniently stick and subsequently collect evidence to be extracted, and the rotary storage tank can conveniently take and take out hydrosol, but the problem that the pressure is uneven when the pressure is pressed, so that part of material evidence can not be extracted, the extraction effect is poor, and the material evidence is adhered to the ground easily is not solved.
SUMMERY OF THE UTILITY MODEL
The forensic field material evidence extractor provided by the utility model can solve the problems that pressure is uneven easily during pressing, part of material evidence cannot be extracted, the extraction effect is poor, and the material evidence is easily adhered to the ground.
In order to solve the above problems, the present invention provides the following technical solutions: a forensic field physical evidence extractor comprising: a main body device and a collecting device, wherein the main body device is used for accommodating the collecting device, the collecting device is used for improving the extraction efficiency and is arranged in the main body device, the main body device comprises a box cover and a box body, the box body is of a cuboid structure with an opening arranged at the top, the box cover is hinged at the opening of the box body, a lock catch is arranged between the box cover and the box body, the standing frames are arranged in the box body, two groups of the standing frames are arranged on the same horizontal straight line, a standing pool is arranged between the standing frames, the bottom of the standing pool is attached to the bottom of the box body, the telescopic cylinders are arranged in the box body, the two groups of telescopic cylinders are arranged on the same horizontal straight line, a hydrosol pool is arranged between the telescopic cylinders, the telescopic rods penetrate through the tops of the telescopic cylinders and extend into the telescopic cylinders, a buffer plate is arranged at the bottom of each telescopic rod and attached to the inner wall of each telescopic cylinder, and a second spring is arranged between the bottom of each buffer plate and each telescopic cylinder;
the collecting device comprises a collector and a collecting sleeve, the collector is arranged between two groups of telescopic rods, side plates are vertically arranged on the side walls of two sides of the collector, the side plates are arranged at the tops of the telescopic rods, the collector is of a cuboid structure with an opening at the bottom, a guide rod penetrates through the top of the collector and extends into the collector, a pressing block is arranged at the top of the guide rod, a balancing weight is arranged at the bottom of the guide rod and is attached to the inner wall of the collector, a first spring is arranged between the top of the balancing weight and the collector, the first spring is sleeved outside the guide rod, external threads are arranged at the bottom of the collector, the collecting sleeve is arranged at the bottom of the collector, a mounting seat is arranged at the top of the collecting sleeve and is in threaded connection with the bottom of the collector, and the top of the collecting sleeve is attached to the opening at the top of the collector;
an upper pressure plate and a lower pressure plate are arranged in the collecting sleeve, a plurality of groups of third springs are arranged between the upper pressure plate and the lower pressure plate at equal intervals, a plurality of groups of pressure rods are arranged at the bottom of the upper balancing weight at equal intervals, and the pressure rods penetrate through the collecting sleeve and are abutted against the top of the upper pressure plate;
the side wall of the box body is provided with an observation window, and the observation window is arranged corresponding to the hydrosol pool;
grooves matched with the side plates are formed in the top parts of the telescopic rod and the standing frame;
the height of the standing frame is greater than that of the collector;
the pressing block is of a disc structure, and a rubber sleeve is arranged at the top of the pressing block.
The utility model has the beneficial effects that:
firstly, the pressing force can be uniformly distributed on the surface of the collecting sleeve, so that the extraction efficiency is improved;
secondly, the material evidence is convenient to collect and protected;
thirdly, the operation is simple, and the collection sleeve is convenient to replace.
Drawings
FIG. 1 is a front view of a forensic field physical evidence extractor of the present invention.
FIG. 2 is a schematic structural diagram of a forensic field physical evidence extractor box of the present invention.
FIG. 3 is a schematic diagram of a forensic field physical evidence extractor collector according to the present invention.
Fig. 4 is a schematic structural diagram of a forensic field physical evidence extractor collection sleeve of the present invention.
1. A box cover; 2. a case body; 3. an observation window; 4. a stationary frame; 5. a pressing block; 6. a collector; 7. a telescopic rod; 8. a hydrosol pool; 9. standing in a pool; 10. a guide bar; 11. a first spring; 12. a side plate; 13. a telescopic cylinder; 14. a buffer plate; 15. a second spring; 16. a balancing weight; 17. a mounting seat; 18. a collecting sleeve; 19. an upper pressure plate; 20. a lower pressing plate; 21. a third spring; 22. a pressure lever.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
It should be noted that as used in the following description, the terms "front", "back", "left", "right", "upper" and "lower" refer to directions in fig. 2, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
According to the illustrations of FIGS. 1-4: the utility model provides a forensic field material evidence extractor which comprises: the collecting device is arranged in the main body device, the main body device comprises a box cover 1 and a box body 2, the box body 2 is a cuboid structure with an opening at the top, the box cover 1 is hinged at the opening of the box body 2, a lock catch is arranged between the box cover 1 and the box body 2, the standing frames 4 are arranged in the box body 2, the two groups of standing frames 4 are on the same horizontal straight line, a standing pool 9 is arranged between the standing frames 4, the bottom of the standing pool 9 is attached to the bottom of the box body 2, the telescopic cylinders 13 are arranged in the box body 2, two groups of the telescopic cylinders 13 are on the same horizontal straight line, an hydrosol pool 8 is arranged between the telescopic cylinders 13, the telescopic rods 7 penetrate through the tops of the telescopic cylinders 13 and extend into the telescopic cylinders 13, a buffer plate 14 is arranged at the bottom of the telescopic rods 7, the buffer plate 14 is attached to the inner wall of the telescopic cylinders 13, and a second spring 15 is arranged between the bottom of the buffer plate 14 and the telescopic cylinders 13;
the collecting device comprises a collector 6 and a collecting sleeve 18, the collector 6 is arranged between two groups of telescopic rods 7, side plates 12 are vertically arranged on the side walls of two sides of the collector 6, the side plates 12 are arranged at the top of the telescopic rods 7, the collector 6 is of a cuboid structure with an opening formed in the bottom, a guide rod 10 penetrates through the top of the collector 6 and extends into the collector 6, a pressing block 5 is arranged at the top of the guide rod 10, a balancing weight 16 is arranged at the bottom of the guide rod 10, the balancing weight 16 is attached to the inner wall of the collector 6, a first spring 11 is arranged between the top of the balancing weight 16 and the collector 6, the first spring 11 is sleeved outside the guide rod 10, external threads are arranged at the bottom of the collector 6, the collecting sleeve 18 is arranged at the bottom of the collector 6, a mounting seat 17 is arranged at the top of the collecting sleeve 18, the mounting seat 17 is screwed at the bottom of the collector 6, and the top of the collecting sleeve 18 is attached to the opening of the top of the collector 6;
an upper pressure plate 19 and a lower pressure plate 20 are arranged in the collecting sleeve 18, a plurality of groups of third springs 21 are arranged between the upper pressure plate 19 and the lower pressure plate 20 at equal intervals, a plurality of groups of pressure rods 22 are arranged at the bottom of the upper balancing weight 16 at equal intervals, and the pressure rods 22 penetrate through the collecting sleeve 18 and are abutted against the top of the upper pressure plate 19, so that the pressure is dispersed on the surface of the collecting sleeve 18;
the side wall of the box body 2 is provided with an observation window 3, and the observation window 3 and the hydrosol pool 8 are correspondingly arranged, so that observation is facilitated;
the top parts of the telescopic rod 7 and the standing frame 4 are both provided with grooves matched with the side plates 12, and the telescopic rod and the standing frame are placed on the collector 6 to fall off;
the height of the standing frame 4 is greater than that of the collector 6, so that the bottom of the collector 6 is prevented from being attached to the standing pool 9;
according to the briquetting 5 for the disc structure, be provided with the rubber sleeve according to briquetting 5 top, press the convenience.
The principle of the utility model is as follows: when the device is used, the pressing block 5 is pressed to enable the side plate 12 to press the telescopic rod 7, the collecting sleeve 18 is enabled to be immersed into the hydrosol pool 8, hydrosol is attached to the surface of the collecting sleeve 18, the pressing block 5 is slowly released to enable the collector 6 to reset, the third spring 21 stretches at the moment to enable the collecting sleeve 18 to be unfolded and eject excessive hydrosol, the collector 6 is taken out to be placed above an area to be extracted, the side plate 12 is pulled, the pressing block 5 is pressed, the guide rod 10 pushes the balancing weight 16 to move downwards, the balancing weight 16 pushes the pressing rod 22 to push the upper pressing plate 19 to compress the third spring 21, the lower pressing plate 20 presses the collecting sleeve 18 to extract a material evidence, the side plate 12 of the collector 6 is placed on the standing frame 4, the collecting sleeve 18 is suspended above the standing pool 9, the box cover 1 is covered, a lock catch is buckled, extraction work is completed, when the collecting sleeve 18 is replaced, the pressing block 5 is pulled to enable the pressing rod 22 to be separated from the collecting sleeve 18, screw out the mount pad 17 after, twist new collection cover 18 can to reach and evenly distribute the collection cover 18 surface with pressing force, improve extraction efficiency, the convenient collection to the material evidence, and protect the material evidence, easy operation collects cover 18 and changes convenient purpose.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (6)
1. A forensic field physical evidence extractor is characterized in that: comprises a main body device and a collecting device, wherein the collecting device is arranged in the main body device, the main body device comprises a box cover (1) and a box body (2), the box body (2) is provided with an open cuboid structure at the top, the box cover (1) is hinged at the opening of the box body (2), a lock catch is arranged between the box cover (1) and the box body (2), a standing frame (4) is arranged in the box body (2), two groups of standing frames (4) are arranged on the same horizontal straight line, a standing pool (9) is arranged between the standing frames (4), the bottom of the standing pool (9) is attached to the bottom of the box body (2), a telescopic cylinder (13) is arranged in the box body (2), two groups of telescopic cylinders (13) are arranged on the same horizontal straight line, a water soluble glue pool (8) is arranged between the telescopic cylinders (13), and a telescopic rod (7) penetrates through the top of the telescopic cylinder (13) and extends into the telescopic cylinder (13), a buffer plate (14) is arranged at the bottom of the telescopic rod (7), the buffer plate (14) is attached to the inner wall of the telescopic cylinder (13), and a second spring (15) is arranged between the bottom of the buffer plate (14) and the telescopic cylinder (13);
the collecting device comprises a collector (6) and a collecting sleeve (18), wherein the collector (6) is arranged between two groups of telescopic rods (7), side plates (12) are vertically arranged on the side walls of two sides of the collector (6), the top parts of the telescopic rods (7) are arranged in the side plates (12), the collector (6) is of a cuboid structure with an opening formed in the bottom part, a guide rod (10) penetrates through the top part of the collector (6) and extends into the collector (6), a pressing block (5) is arranged at the top part of the guide rod (10), a balancing weight (16) is arranged at the bottom part of the guide rod (10), the balancing weight (16) is attached to the inner wall of the collector (6), a first spring (11) is arranged between the top part of the balancing weight (16) and the collector (6), the first spring (11) is sleeved outside the guide rod (10), an external thread is arranged at the bottom part of the collector (6), and the collecting sleeve (18) is arranged at the bottom part of the collector (6), the top of the collecting sleeve (18) is provided with a mounting seat (17), the mounting seat (17) is screwed and arranged at the bottom of the collector (6), and the top of the collecting sleeve (18) is attached to the opening at the top of the collector (6).
2. The forensic field physical evidence extractor of claim 1, wherein: collect and be provided with top board (19) and holding down plate (20) in cover (18), the equidistance sets up multiunit third spring (21) between top board (19) and holding down plate (20), goes up balancing weight (16) bottom equidistance and sets up multiunit depression bar (22), depression bar (22) run through and collect cover (18) and support to press and arrange top board (19) top in.
3. The forensic field physical evidence extractor of claim 1, wherein: the lateral wall of the box body (2) is provided with an observation window (3), and the observation window (3) and the hydrosol pool (8) are correspondingly arranged.
4. The forensic field physical evidence extractor of claim 1, wherein: the top parts of the telescopic rod (7) and the static frame (4) are provided with grooves matched with the side plates (12).
5. The forensic field physical evidence extractor of claim 1, wherein: the height of the standing frame (4) is greater than that of the collector (6).
6. The forensic field physical evidence extractor of claim 1, wherein: the pressing block (5) is of a disc structure, and a rubber sleeve is arranged at the top of the pressing block (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220375963.XU CN216926118U (en) | 2022-02-24 | 2022-02-24 | Forensic field material evidence extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220375963.XU CN216926118U (en) | 2022-02-24 | 2022-02-24 | Forensic field material evidence extractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216926118U true CN216926118U (en) | 2022-07-08 |
Family
ID=82267808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220375963.XU Expired - Fee Related CN216926118U (en) | 2022-02-24 | 2022-02-24 | Forensic field material evidence extractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216926118U (en) |
-
2022
- 2022-02-24 CN CN202220375963.XU patent/CN216926118U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220708 |