CN108267447B - Bullet groove viewing device at bottom of bullet - Google Patents
Bullet groove viewing device at bottom of bullet Download PDFInfo
- Publication number
- CN108267447B CN108267447B CN201810061949.0A CN201810061949A CN108267447B CN 108267447 B CN108267447 B CN 108267447B CN 201810061949 A CN201810061949 A CN 201810061949A CN 108267447 B CN108267447 B CN 108267447B
- Authority
- CN
- China
- Prior art keywords
- bullet
- prism
- angle prism
- instrument
- observation device
- 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.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Microscoopes, Condenser (AREA)
Abstract
The invention discloses a bullet bottom bullet slot observation device which comprises a support, an identification instrument, a bullet shell clamping and bullet device and an image combination observation device, wherein the identification instrument is connected with the upper end of the support, an objective lens is arranged at the lower end of the identification instrument, the bullet shell clamping and bullet device is connected with a platform at the lower end of the support, a metal piece is arranged outside the image combination observation device, a connecting piece is arranged at the upper end of the metal piece, the image combination observation device is connected with the objective lens in a clamping mode through the connecting piece, a right-angle prism I, a right-angle prism II, a penta-angle prism and a cubic prism are arranged in the metal piece, the right-angle prism II is spliced with the lower end of the right-angle prism I, the right-angle prism II is spliced with the side face of the cubic prism, and the penta-angle prism is spliced with the lower side face of.
Description
Technical Field
The invention belongs to the technical field of criminal investigation identification, and particularly relates to a bullet slot observation device.
Background
In the identification of the bullet trace analysis, it is necessary to observe the bottom and side of the case simultaneously under a microscope and to be able to determine their relative positions. The objective lens of the prior observation device for the bullet slot at the bottom of the bullet is divided into two sections, because the light reflected by the bottom of the bullet shell can enter one objective lens at the lower end only through two reflectors, the light stroke of the light reflected by the bottom of the bullet shell is lengthened, the objective lens for collecting the light reflected by the bottom of the bullet shell is arranged below, and the light reflected by the side surface of the bullet shell can directly enter the other objective lens; meanwhile, in the traditional imaging mode, the proportion and the size of images of the bottom and the side surface of the cartridge case are poor in consistency when the images are observed by naked eyes, and the cartridge case is inconvenient to use as identification.
Disclosure of Invention
The invention provides a bullet bottom bullet slot observation device, which realizes the use of the bullet bottom bullet slot observation device on various identification instruments, improves the universality and has good consistency of the imaging proportion.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a bullet groove viewing device at bottom of bullet, includes support, appraisal instrument, shell presss from both sides bullet device and closes like viewing device, appraisal instrument is connected with the support upper end, and appraises the instrument lower extreme and be equipped with objective, shell presss from both sides bullet device and is connected with support lower extreme platform, it is equipped with the metalwork to close like viewing device outward, the metalwork upper end is equipped with the connecting piece, and closes like viewing device and pass through the connecting piece and be connected with the objective block, be equipped with right angle prism one, right angle prism two, pentagon prism and cubic prism in the metalwork, and right angle prism two and a right angle prism lower extreme concatenation, right angle prism two and cubic prism side concatenation, pentagon prism and cubic prism downside concatenation.
Preferably, the identification instrument may be a physical evidence instrument, a microscopic measurement evidence instrument or a comparison microscope.
Preferably, the cartridge case cartridge clamping device comprises a base, a sliding plate, a sliding block, a rotating shaft and a cartridge plug, the base is connected with a platform at the lower end of the support, the sliding plate is connected with the upper end of the base, the sliding block is connected with the sliding plate in a sliding manner, the rotating shaft is connected with the sliding block in a rotating manner, the cartridge plug is connected with the front end of the rotating shaft, and the end part of the rotating shaft is provided with a knob.
The beneficial effect of adopting above technical scheme is: the bullet bottom bullet slot observation device is characterized in that a bullet shell is mounted on a bullet plug, then an image of the side face of the bullet shell enters a cubic prism through a first right-angle prism and a second right-angle prism, meanwhile, an image of the bottom of the bullet shell enters the cubic prism through a pentagonal prism, the two images are combined into an image of a bullet bottom bullet slot and enter an objective lens of an identification instrument, the relative position is determined, the consistency of the imaging proportion is good, and identification is facilitated; compared with the traditional device with the segmented objective lens and inconsistent height, the device has higher universality.
The first right-angle prism and the second right-angle prism play a role in redirecting the light path; the pentagonal prism plays a role in mirror inversion; the cubic prisms function as a combiner.
When adjusting the definition of formation of image, when the shell case bottom image is not clear, remove the slider and make its clear at the slide back-and-forth movement, rotatory knob in detecting the observation, knob drive pivot is rotatory through the bullet stopper area shell case, just can see the change of shell case bottom and side relative position.
Drawings
FIG. 1 is a schematic diagram of the overall view and an optical route diagram of the device for observing the bottom of a bullet groove mounted on an identification instrument;
FIG. 2 is a schematic view of a cartridge case clamping device;
FIG. 3 is a schematic view of a merged image viewing device;
wherein:
1. a support; 2. an identification instrument; 3. a cartridge case clamping device; 4. a composite image observation device; 5. a cartridge case; 20. an objective lens; 30. a base; 31. a slide plate; 32. a slider; 33. a rotating shaft; 33-1, a knob; 34. a bullet plug; 40. a metal member; 41. a connecting member; 42. a first right-angle prism; 43. a second right-angle prism; 44. a pentagonal prism; 45. a cube prism.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for a purpose of helping those skilled in the art to more fully, accurately and deeply understand the concept and technical solution of the present invention and to facilitate its implementation.
As shown in fig. 1 to 3, the invention is a bullet bottom bullet slot observation device, which realizes the use of the bullet bottom bullet slot observation device on various identification instruments, improves the universality and has good consistency of the imaging proportion.
Specifically, as shown in fig. 1 to 3, the device comprises a support 1, an identification instrument 2, a cartridge case cartridge clip device 3 and an image combination observation device 4, as shown in fig. 1 and 3, the identification instrument 2 is connected with the upper end of the support 1, an objective lens 20 is arranged at the lower end of the identification instrument 2, the cartridge case cartridge clip device 3 is connected with a platform at the lower end of the support 1, a metal piece 40 is arranged outside the image combination observation device 4, a connecting piece 41 is arranged at the upper end of the metal piece 40, the image combination observation device 4 is connected with the objective lens 20 in a clamping manner through the connecting piece 41, a first right-angle prism 42, a second right-angle prism 43, a fifth-angle prism 44 and a cubic prism 45 are arranged in the metal piece 40, the first right-angle prism 43 is spliced with the lower end of the first right-angle prism 42, the second right-angle prism 43.
The identification instrument 2 may be a physical evidence instrument, a microscopic measurement and evidence obtaining instrument or a comparison microscope.
As shown in fig. 1 and 2, the cartridge case cartridge clamping device 3 is composed of a base 30, a sliding plate 31, a sliding block 32, a rotating shaft 33 and a cartridge plug 34, wherein the base 30 is connected with a platform at the lower end of the support 1, the sliding plate 31 is connected with the upper end of the base 30, the sliding block 32 is connected with the sliding plate 31 in a sliding manner, the rotating shaft 33 is connected with the sliding block 32 in a rotating manner, the cartridge plug 34 is connected with the front end of the rotating shaft 33, and the end of the rotating shaft 33 is provided with a knob 33-1. The following specific working modes are illustrated by specific examples:
the bullet bottom bullet slot observation device is characterized in that a bullet case 5 is firstly installed on a bullet plug 34, then an image on the side surface of the bullet case 5 enters a cubic prism 45 through a first right-angle prism 42 and a second right-angle prism 43, meanwhile, an image on the bottom of the bullet case 5 enters the cubic prism 45 through a pentagonal prism 44, the two images are combined into a bullet bottom bullet slot image and enter an objective lens 20 of an identification instrument 2, the relative position is determined, the consistency of the imaging proportion size is good, and the identification is convenient; compared with the traditional device with the segmented objective lens and inconsistent height, the device has higher universality.
The first right-angle prism 42 and the second right-angle prism 43 play a role in light path redirection; the pentagonal prism 44 functions as mirror inversion; the cubic prism 45 functions as an image combiner.
When the imaging definition is adjusted, when the image at the bottom of the cartridge case 5 is not clear, the movable sliding block 32 moves back and forth on the sliding plate 31 to enable the image to be clear, the knob 33-1 is rotated in detection and observation, the knob 33-1 drives the rotating shaft 33 to drive the cartridge case to rotate through the plug 34, and then the change of the relative position of the bottom and the side of the cartridge case 5 can be seen.
The present invention has been described in connection with the accompanying drawings, and it is to be understood that the invention is not limited to the specific embodiments described above, but is intended to cover various insubstantial modifications of the invention based on the principles and technical solutions of the invention; the present invention is not limited to the above embodiments, and can be modified in various ways.
Claims (3)
1. The utility model provides a bullet groove viewing device at bottom of bullet which characterized in that: comprises a bracket (1), an identification instrument (2), a cartridge case cartridge clamping device (3) and an image combination observation device (4), wherein the identification instrument (2) is connected with the upper end of the bracket (1), an objective lens (20) is arranged at the lower end of the identification instrument (2), the cartridge case cartridge clamping device (3) is connected with a platform at the lower end of the bracket (1), a metal piece (40) is arranged outside the image combination observation device (4), a connecting piece (41) is arranged at the upper end of the metal piece (40), the image combination observation device (4) is clamped and connected with the objective lens (20) through a connecting piece (41), a first right-angle prism (42), a second right-angle prism (43), a pentagonal prism (44) and a cubic prism (45) are arranged in the metal piece (40), and the second right-angle prism (43) is spliced with the lower end of the first right-angle prism (42), the second right-angle prism (43) is spliced with the side surface of the cubic prism (45), and the pentagonal prism (44) is spliced with the lower side of the cubic prism (45).
2. The apparatus of claim 1, wherein: the identification instrument (2) can be a material evidence instrument, a microscopic measurement evidence obtaining instrument or a comparison microscope.
3. The apparatus of claim 1, wherein: shell clamping device (3) comprises base (30), slide (31), slider (32), rotation axis (33) and bullet stopper (34), base (30) and support (1) lower extreme platform are connected, slide (31) are connected with base (30) upper end, slider (32) and slide (31) sliding connection, rotation axis (33) rotate with slider (32) and are connected, bullet stopper (34) are connected with rotation axis (33) front end, rotation axis (33) tip is equipped with knob (33-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810061949.0A CN108267447B (en) | 2018-01-23 | 2018-01-23 | Bullet groove viewing device at bottom of bullet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810061949.0A CN108267447B (en) | 2018-01-23 | 2018-01-23 | Bullet groove viewing device at bottom of bullet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108267447A CN108267447A (en) | 2018-07-10 |
| CN108267447B true CN108267447B (en) | 2020-07-24 |
Family
ID=62776457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810061949.0A Active CN108267447B (en) | 2018-01-23 | 2018-01-23 | Bullet groove viewing device at bottom of bullet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108267447B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57211109A (en) * | 1981-06-22 | 1982-12-24 | Konan Camera Kenkyusho:Kk | Microscope |
| CN2061894U (en) * | 1990-04-23 | 1990-09-12 | 周海初 | Optical system for photographic composing machine |
| CN2200814Y (en) * | 1994-06-30 | 1995-06-14 | 公安部第二研究所 | Detecting instrument for shell bottom and shell bottom groove trace |
| CN201035222Y (en) * | 2007-04-20 | 2008-03-12 | 芜湖市皖江光电仪器有限公司 | Microscope visual observe gradient regulating mechanism |
| CN105181303B (en) * | 2015-10-26 | 2017-10-27 | 中国科学院苏州生物医学工程技术研究所 | Infinity conjugate distance microcobjective Stray Light Testing Equipment and measuring accuracy adjusting method |
| CN205373629U (en) * | 2016-02-03 | 2016-07-06 | 李刚 | Warhead vestige measuring apparatu |
| CN206038544U (en) * | 2016-03-15 | 2017-03-22 | 芜湖市皖江光电仪器有限公司 | Bullet kerve vestige detector at bottom of bullet |
-
2018
- 2018-01-23 CN CN201810061949.0A patent/CN108267447B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108267447A (en) | 2018-07-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2020509403A5 (en) | ||
| JPS6150617B2 (en) | ||
| CN108107560A (en) | A kind of verification of traces comprehensive instrument | |
| CN112098337A (en) | High-resolution spectral image rapid acquisition device and method | |
| CN209861063U (en) | Temperature-controllable lens performance detection device | |
| CN104820281A (en) | Multifunctional biomicroscope | |
| CN110823531B (en) | Digital optical bench | |
| CN108267447B (en) | Bullet groove viewing device at bottom of bullet | |
| JP4750082B2 (en) | Measuring device for rotating body | |
| CN116990303A (en) | Pole piece edge defect detection device and pole piece edge defect detection method | |
| CN204314056U (en) | A kind of focimeter | |
| CN217901179U (en) | Glare testing arrangement | |
| CN108593652A (en) | Glass cemented surface quality detection device | |
| RU152858U1 (en) | DEVICE FOR SEARCHING SURFACE ANOMALIES | |
| CN202486410U (en) | Common-vision-type cigarette-label printing quality contrast visualizer | |
| CN2200814Y (en) | Detecting instrument for shell bottom and shell bottom groove trace | |
| CN207833096U (en) | A kind of A-117 verifications of traces comprehensive instrument | |
| CN207166626U (en) | A kind of police equipment of site inspection | |
| CN2577274Y (en) | Observation device of scanning probe microscope | |
| CN205607856U (en) | Transparent medium refracting index detection device | |
| CN217901183U (en) | Endoscope testing device | |
| JP2019144456A (en) | Observation device | |
| CN2582019Y (en) | Cursor indicator for microscope | |
| CN213525081U (en) | Visual chart display instrument | |
| CN219758088U (en) | Sperm quality detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200629 Address after: 314000 Jiaxing, Jiaxing City, Zhejiang Province, north side of the Central South Road through the West (Zhejiang Xingke science and Technology Development Investment Co., Ltd. in Zhejiang) Applicant after: JIAXING HETECH CHEMICAL TECHNOLOGY Co.,Ltd. Address before: 241000 Anhui city of Wuhu province Jiujiang Economic Development Zone flying road No. 9 Applicant before: ANHUI WUHU OORT OPTOELECTRONICS TECHNOLOGY Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |