CN206390541U - A kind of magnetic fingerprint extraction brush - Google Patents
A kind of magnetic fingerprint extraction brush Download PDFInfo
- Publication number
- CN206390541U CN206390541U CN201720013722.XU CN201720013722U CN206390541U CN 206390541 U CN206390541 U CN 206390541U CN 201720013722 U CN201720013722 U CN 201720013722U CN 206390541 U CN206390541 U CN 206390541U
- Authority
- CN
- China
- Prior art keywords
- brush
- magnetic
- brush holder
- pull bar
- fingerprint extraction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model belongs to fingerprint extraction technical field, and in particular to a kind of magnetic fingerprint extraction brush, including brush body, brush holder and pull bar, and brush body includes magnetic absorptive table, magnet, connecting seat, light source cell and spring.The upper end of the connecting seat, which is provided with magnetic absorptive table, connecting seat, is provided with light source cell, and light source cell includes illuminating lamp and identification lamp；The lower end of brush body, which is provided with brush holder, brush holder, is provided with power supply group, and bottom is provided with draw piece is slided, and the shell for sliding draw piece and brush holder is slidably matched；The top of pull bar is placed in brush body, and bottom is placed in brush holder, and bottom is connected with sliding draw piece；Magnet is fixed on the upper end of pull bar, and spring upper end is connected with pull bar top, and lower end is connected with brush holder upper end, under nature, and magnet main body is placed in magnetic absorptive table.This fingerprint extraction brush configuration is simple, by fingerprint brush is aobvious, illumination and exciting media fluorescence show it is multi-functional combine, it is more convenient and practical.
Description
Technical field
The utility model belongs to fingerprint extraction technical field, and in particular to a kind of magnetic fingerprint extraction brush.
Background technology
The extraction of fingerprint is often related to when material evidence is collected in scene of a crime, existing fingerprint extraction brush does not often have
There is illumination with the fluorescence in exciting media so that the function of fingerprint manifestation, while the design of pull bar is also inconvenient to operate.Some
In the site inspection at night, technical staff also needs to one side brush magnetic, while by torch, these appointed conditions or operating procedure are all
Great inconvenience is brought to preliminry basic research.
Utility model content
To solve problems of the prior art, the utility model provides a kind of easy to operate fingerprint extraction brush,
Illumination, exciting media fluorescence, which can be achieved, in this fingerprint extraction brush shows and the multi-functional combination of the aobvious fingerprint of brush.
To achieve these goals, the technical solution adopted in the utility model is as follows：A kind of magnetic fingerprint extraction brush, including
Brush body, brush holder and pull bar；
Brush body includes magnetic absorptive table, magnet, connecting seat, light source cell and spring, and the upper end of the connecting seat is provided with magnetic
Light source cell is provided with powder absorptive table, connecting seat；
Power supply group is provided with the brush holder, bottom is provided with draw piece is slided, and the shell for sliding draw piece and brush holder is slidably matched；
The lower end of brush body is provided with brush holder, and the top of pull bar is placed in brush body, and bottom is placed in brush holder, and pull bar bottom is with sliding
Draw piece is connected；Magnet is fixed on the upper end of pull bar, and spring upper end is connected with pull bar top, and lower end is connected with brush holder upper end, natural
Under state, spring gives pull bar one upward support force so that magnet main body is placed in magnetic absorptive table.
Further, described light source cell includes illuminating lamp and identification lamp, and illuminating lamp is with recognizing that the quantity of lamp is set to
It is multiple.
Further, described illuminating lamp is white light, and identification lamp is blue-ray light or uviol lamp.
Further, the inner side of draw piece and the outside of brush holder bottom are slided, the chute being mutually matched and projection is correspondingly arranged.
Further, described magnetic absorptive table is to be threadedly coupled with connecting seat.
Further, the height of magnet is highly mutually matched with magnetic absorptive table, and magnet main body is placed in magnetic absorptive table
Portion.
Further, magnetic absorptive table is the hood-like design of round platform, and truncated conical shape designs the upper end for being so that magnetic absorptive table
Magnetic force is more than side.
Further, brush body is to be threadedly coupled with brush holder.
Further, the telescopic displacement height of spring matches with sliding the height of draw piece, prevents that pulling downward on slip draws
When part, the bottom periphery that draw piece departs from brush holder is slided.
Further, described pull bar designs for inverted L-shaped.
The brush that the utility model is applied to magnetic fingerprint shows, simple in construction, while by illumination functions, fingerprint brush is aobvious and excites
Medium fluorescence causes fingerprint manifestation function to be combined together, and uses enhanced convenience, while being easy to carry, is easy to market to push away
Extensively.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is top view of the present utility model.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain
The utility model, is not used to limit the utility model.
As shown in figure 1, a kind of magnetic fingerprint extraction brush, coordinates with magnetic, for the aobvious fingerprint of scene of a crime brush, including brush body
1st, brush holder 2 and pull bar 4, brush body 1 are connected with brush holder 2；Brush body 1 includes magnetic absorptive table 6, magnet 7, connecting seat 8, light source cell 9
And spring 10, the upper end of the connecting seat 8, which is provided with magnetic absorptive table 6, connecting seat 8, is provided with light source cell 9；In the brush holder 2
Provided with power supply group 3, bottom is provided with draw piece 5 is slided, and the shell for sliding draw piece 5 and brush holder 2 is slidably matched；Power supply group 3 is light source list
Member 9 provides power supply, and power supply group 3 here can be that disposable battery can also be rechargeable battery.Brush body 1 is located at the upper of brush holder 2
End, the top of pull bar 4 is placed in brush body 1, and bottom is placed in brush holder 2, and the bottom of pull bar 4 is connected with sliding draw piece 5, pull bar here
4 can design for inverted L-shaped, effectively avoid power supply group 3；Magnet 7 is absorbed and fixed at the upper end of pull bar 4, and the upper end of spring 10 is with drawing
The top of bar 4 is connected, and lower end is connected with the upper end of brush holder 2, under nature, and spring 10 gives 4 one upward support forces of pull bar so that
The main body of magnet 7 is placed in magnetic absorptive table 6.
Further, as shown in Fig. 2 described light source cell 9 includes illuminating lamp 91 and identification lamp 92, illuminating lamp 91 is with knowing
The quantity of other lamp 92 is set to multiple.
Further, described illuminating lamp 91 can be white light, and there is identification lamp 92 fluorescence in exciting media to cause figure
As the function of showing, so electing uviol lamp or blue-ray light as.
Further, provided with switch on brush holder 2, switch for controlling light source cell 9, specifically, control illuminating lamp 91
Switching and break-make with recognizing lamp 92；Either provided with switch on brush body 1, switch for controlling light source cell 9, specifically,
Control switching and break-make of the illuminating lamp 91 with identification lamp 92.
Further, in the inner side and the outside of the bottom of brush holder 2 of described slip draw piece 5, it is correspondingly arranged what is be mutually matched
Chute and projection.
Further, described magnetic absorptive table 6 is to be threadedly coupled with connecting seat 8.
Further, the height of magnet 7 is mutually matched with the height of magnetic absorptive table 6.
Further, described magnetic absorptive table 6 is the hood-like design of round platform, and on the one hand the shape design of round platform is so that magnetic
Powder is concentrated on the head end of magnetic absorptive table 6, on the other hand make it that somewhat firmly pulling can make when pulling downward on pull bar 4
Obtain magnetic to come off, than relatively labor-saving.
Further, described brush body 1 is to be threadedly coupled with brush holder 2.
Further, the telescopic displacement height of described spring 10 matches with sliding draw piece 5, prevents downward pulling force mistake
Degree so that slide the lower outside that draw piece 5 departs from brush holder 2.
When the magnetic absorptive table 6 of fingerprint extraction brush is placed in magnetic, the head of magnetic absorptive table 6 is due to internal magnet
Long magnetic and then formation magnetic fringe in 7 effect absorption, now by magnetic brush at fingerprint.If in the work of dark
Under environment, open illuminating lamp 91 and be illuminated, after brush is aobvious, illuminating lamp 91 is closed.When carrying out brushing aobvious using magnetic fluorescence powder,
Identification lamp 92 is then opened, the fluorescence in magnetic is excited so that fingerprint manifestation for the characteristic of short wavelength light using it.When brush is aobvious
When reaching ideal articulation, slip draw piece 5 is pulled downward on so that magnet 7 is moved down, the outside of magnetic absorptive table 6 is adsorbed
Magnetic due to losing the suction of magnet 7, and be shed in specified containers, facilitate recycling, reduce cost.Because sliding
Inwall downwardly the moving close to brush holder 2 of dynamic draw piece 5, so the displacement vertically downward all the time of pull bar 4, does not shift,
Pull bar 4 can be designed to inverted L-shaped by us herein, internally provided with power supply group 3 in the case of, do not influenceed by power supply group 3,
It can still pull downward vertically.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modifications, equivalent substitutions and improvements made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (9)
1. a kind of magnetic fingerprint extraction brush, it is characterised in that：Including brush body (1), brush holder (2) and pull bar (4)；
Further, brush body (1) includes magnetic absorptive table (6), magnet (7), connecting seat (8), light source cell (9) and spring
(10), the upper end of the connecting seat (8), which is provided with magnetic absorptive table (6), connecting seat (8), is provided with light source cell (9)；The brush holder
(2) power supply group (3) is provided with, bottom is provided with draw piece (5) is slided, and the shell for sliding draw piece (5) and brush holder (2) is slidably matched；
Further, brush body (1) lower end is provided with brush holder (2), and the top of pull bar (4) is placed in brush body (1), and bottom is placed in brush holder
(2) in, pull bar (4) bottom is connected with sliding draw piece (5)；Magnet (7) is fixed on the upper end of pull bar (4), spring (10) upper end with
Pull bar (4) top is connected, and lower end is connected with the upper end of brush holder (2).
2. a kind of magnetic fingerprint extraction brush as claimed in claim 1, it is characterised in that：Described light source cell (9) includes shining
Bright lamp (91) and identification lamp (92), the quantity of illuminating lamp (91) and identification lamp (92) are set to multiple.
3. a kind of magnetic fingerprint extraction brush as claimed in claim 1, it is characterised in that：In the interior of described slip draw piece (5)
Side and the outside of brush holder (2) bottom, are correspondingly arranged the chute being mutually matched and projection.
4. a kind of magnetic fingerprint extraction brush as claimed in claim 1, it is characterised in that：Described magnetic absorptive table (6) is with connecting
Joint chair (8) is threaded connection.
5. a kind of magnetic fingerprint extraction brush as claimed in claim 1, it is characterised in that：The height of magnet (7) is adsorbed with magnetic
Platform (6) is highly mutually matched.
6. a kind of magnetic fingerprint extraction brush as claimed in claim 1, it is characterised in that：Described magnetic absorptive table (6) is circle
The hood-like design of platform.
7. a kind of magnetic fingerprint extraction brush as claimed in claim 1, it is characterised in that：Described brush body (1) is with brush holder (2)
Threaded connection.
8. a kind of magnetic fingerprint extraction brush as claimed in claim 1, it is characterised in that：The telescopic displacement of described spring (10)
Height matches with sliding the height of draw piece (5).
9. a kind of magnetic fingerprint extraction brush as claimed in claim 1, it is characterised in that：Described pull bar (4) sets for inverted L-shaped
Meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720013722.XU CN206390541U (en) | 2017-01-04 | 2017-01-04 | A kind of magnetic fingerprint extraction brush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720013722.XU CN206390541U (en) | 2017-01-04 | 2017-01-04 | A kind of magnetic fingerprint extraction brush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206390541U true CN206390541U (en) | 2017-08-11 |
Family
ID=59512991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720013722.XU Expired - Fee Related CN206390541U (en) | 2017-01-04 | 2017-01-04 | A kind of magnetic fingerprint extraction brush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206390541U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107581759A (en) * | 2017-09-21 | 2018-01-16 | 泉州圣源警用侦察设备有限公司 | A kind of automatic magnetic fingerprint brush |
| CN108498103A (en) * | 2018-03-30 | 2018-09-07 | 李刚 | Fingerprint on site and its pollution-free dual extracting methods of DNA |
| CN109833046A (en) * | 2019-04-01 | 2019-06-04 | 湖南警察学院 | A kind of Magnetic brush suitable for one-handed performance |
-
2017
- 2017-01-04 CN CN201720013722.XU patent/CN206390541U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107581759A (en) * | 2017-09-21 | 2018-01-16 | 泉州圣源警用侦察设备有限公司 | A kind of automatic magnetic fingerprint brush |
| CN108498103A (en) * | 2018-03-30 | 2018-09-07 | 李刚 | Fingerprint on site and its pollution-free dual extracting methods of DNA |
| CN109833046A (en) * | 2019-04-01 | 2019-06-04 | 湖南警察学院 | A kind of Magnetic brush suitable for one-handed performance |
| CN109833046B (en) * | 2019-04-01 | 2023-04-28 | 湖南警察学院 | Be suitable for magnetic brush of single hand operation |
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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: 20170811 Termination date: 20210104 |