CN205861372U - A kind of on-the-spot trace material evidence gathers pen - Google Patents
A kind of on-the-spot trace material evidence gathers pen Download PDFInfo
- Publication number
- CN205861372U CN205861372U CN201620191202.3U CN201620191202U CN205861372U CN 205861372 U CN205861372 U CN 205861372U CN 201620191202 U CN201620191202 U CN 201620191202U CN 205861372 U CN205861372 U CN 205861372U
- Authority
- CN
- China
- Prior art keywords
- penholder
- collection
- pen cap
- collection head
- containing cavities
- 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 discloses a kind of on-the-spot trace material evidence and gather pen, including the pen cap, penholder, collection head and the cap for brush；Be provided with in the pen cap diameter small one and large one penholder containing cavities and collection head containing cavities；Penholder containing cavities and collection head containing cavities connectivity part are provided with a packing ring, packing ring is provided with the through hole allowing that penholder passes through；Collection head is arranged at the front end of the pen cap, including diameter small one and large one collection portion and installation portion, be provided with jack in collection portion, bottom installation portion, be provided with the contact pin coordinated with jack, installation portion is movably connected in collection head containing cavities；The cap for brush is located at the periphery of collection head, and penholder is arranged in the penholder containing cavities of the inside of the pen cap, and the tail end of penholder extends the tail end of the pen cap, and the front end of penholder is abutted against mutually with the installation portion of collection head.After this collection pen collects detection specimen, it is only necessary to extrude a lower pen rod and collection head is extruded the pen cap fall in container, i.e. completing to detect specimen output, output detections specimen is simple, does not results in again nosocomial infection.
Description
Technical field
This utility model relates to criminal investigation and legal medical expert's aid technical field, more specifically a kind of collection pen.
Background technology
Some aids are needed to come acquisition testing specimen, such as scurf, hair, blood, body in the middle of scene of a crime at present
Liquid etc. DNA sample, then by these aids directly carry gather come detection specimen equipped with diluent (or detection help
Agent) container in, after sealing up for safekeeping, relend and help vibrations instrument detection specimen fully to be incorporated to be formed in mixed liquor, complete to adopt
Collection work, avoids criminal investigation legal medical expert worker among these and directly contacts detection specimen, it is to avoid the generation of detection sample contamination, simultaneously
Also make that collecting work is simple, convenience, safety, health, improve again the work efficiency of collection.
In the acquisition technique of existing scene of a crime, the similar method pasted such as main adhesive tape, sponge adhesive tape carries out scene
Gather.The defect of above-mentioned acquisition method is when gathering Special-shaped object, concave-convex, seamed object etc. effectively to gather；In reality
Testing room, to carry out material evidence output cumbersome, needs shears the substantial amounts of previous work such as to cut out.
Utility model content
The purpose of this utility model is to overcome prior art sampling instrument output detections sample trouble, be likely to result in material evidence
Pollution risk and the defect that cannot effectively gather on the various objects being difficult to and gathering.A kind of safe and reliable, collection letter is provided
List, output detections specimen are simple, do not result in again the collection pen that material evidence pollutes.
In order to reach object above, this utility model is achieved through the following technical solutions: a kind of on-the-spot trace material evidence
Gather pen, including the pen cap, penholder, collection head and the cap for brush；Be provided with in the described pen cap diameter small one and large one penholder containing cavities and
Collection head containing cavities, the diameter of described penholder containing cavities is more than the diameter of collection head containing cavities；At described penholder containing cavities and adopting
Market-head's containing cavities connectivity part is provided with a packing ring, is provided with the through hole allowing that penholder passes through in described packing ring；Described collection head sets
Be placed in the front end of the described pen cap, including diameter small one and large one collection portion and installation portion, the diameter in described collection portion more than install
The diameter in portion, is provided with jack in described collection portion, be provided with the contact pin coordinated with jack bottom described installation portion, and described installation portion is lived
It is dynamically connected in collection head containing cavities；The described cap for brush is located at the periphery of described collection head, and described penholder is arranged at the described pen cap
Inside penholder containing cavities in, the tail end of described penholder extends the tail end of the described pen cap, and the front end of described penholder is with described
The installation portion of collection head is abutted against mutually.
This utility model collection pen is very easy to technique of criminal investigation personnel and the work of forensic collection detection specimen, it is only necessary to
Want the hand-held pen cap and adhere to specimen with collection head, building with the cap for brush after collecting aequum, prevent material evidence from polluting, the most directly
It is carried to, above the container equipped with diluent (or detection auxiliary agent), extrude a lower pen rod, collection head is extruded the pen cap and falls into container
In, by vibrations instrument, detection specimen is fully incorporated in formation mixed liquor, finally drip and take mixed liquor to test piece, complete collection
Work, whole collecting work is simple, convenient, safety, improves again the work efficiency of collection.Wherein, the collection portion of collection head
Diameter is more than installation portion diameter, thus is formed with ladder so that collection head will not whole because of extruding submerge in the shaft of a writing brush, thus
Cannot gather.
As improvement, described collection portion is soft collection portion, the collection portion of preferably NBR (nitrile rubber) material；Described peace
Dress portion is the installation portion of hard installation portion, preferably rigid plastics.
The collection portion of collection head and installation portion select soft hard two kinds of materials, and soft collection portion is convenient in difformity
Object on gather, even if on the object of the most irregular shapes such as fluted, gap.The installation portion of hard can be the most embedding
In collection head containing cavities, will not come off when collecting work.Installation portion and collection portion connection contact pin and jack；Installation portion
Contact pin injects in the jack in collection portion, a diameter of 1.5-2.5 millimeter of contact pin, a diameter of 0.5-1.5 millimeter of jack, preferably
Ground, the diameter of contact pin is 2 millimeters, and the diameter of jack is 1 millimeter, because collection portion is soft resilient NBR material, so inserting
Contact pin can be held fast by after entering, do not come off.
Improving as another kind, described installation portion external diameter matches with collection head containing cavities internal diameter.
Improve as another kind, described penholder stage casing outer wall is provided with a circle and protrudes the flange of its body, described penholder
Being arranged with outward a spring, described spring is compressed between described flange and packing ring, and described penholder rear portion is provided with a counteracting institute
State the limiting mechanism of spring restoring force, described limiting mechanism is provided with and breaks its unbalance machine with described spring reset dynamic balance
Structure.
During in order to allow worker extrude collection head, there is between referring to good finger sense, make to squeeze out collection head not because of power
Excessive velocities disorderly string greatly, this utility model uses a sheathed spring on penholder, comes because of the reset force of compression generation with spring
Make buffering finger dynamics.And after the outer sheathed spring of penholder, if spring is not locked, then complete for this utility model
Dispatching from the factory and can cause trouble, therefore design limit mechanism gives containing, but this limiting mechanism is wanted to be controlled, and does not affects
Follow-up function, so also needing to supporting on limiting mechanism arrange unbalance mechanism.
As improving further, described limiting mechanism includes being connected to described penholder tail end and external diameter is fit to the described pen cap
The sleeve pipe of internal diameter, described sleeve side walls is provided with an alignment pin, the described pen cap is provided with suitable with described alignment pin
Hole, location；Described unbalance mechanism includes being arranged on described sleeve pipe about through sleeve pipe and makes described alignment pin produce the shape of deformation
Become chamber.
It is given above limiting mechanism and unbalance mechanism is that the one in the middle of numerous implementation is preferred, be not limited to this
Kind of mode, and this utility model select this mode be based on sleeve pipe, alignment pin and deformation chamber easily by integrated injection molding, become
This is cheap, structure is firm and considers.
As further improving, the length of described installation portion is highly consistent with hole, location.
Improving as another kind, the tail end of described penholder connects has a button, described button to be positioned at outside the described pen cap.
Improving as another kind, packing ring and the pen cap are integrated injection mo(u)lding structure.Packing ring and the pen cap are integrated injection mo(u)lding
Structure, convenient manufacture, also improves the intensity of packing ring.
Beneficial effect: after this utility model collection pen collects detection specimen, it is only necessary to extrude a lower pen rod, will gather
The head extrusion pen cap falls in container, i.e. completes to detect specimen output, and safe and reliable, output detections specimen is simple, does not results in again
Nosocomial infection.
This utility model only needs the hand-held pen cap and adheres to specimen with collection head, builds with the cap for brush after collecting aequum
Come, prevent material evidence from polluting, be the most directly carried to, above the container equipped with diluent (or detection auxiliary agent), extrude a lower pen rod,
Collection head is extruded the pen cap and falls in container, by vibrations instrument, detection specimen is fully incorporated in formation mixed liquor, finally drip
Taking mixed liquor to test piece, complete collecting work, whole collecting work is simple, convenience, safety, health, improves again collection
Work efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of this utility model pen cap；
Fig. 3 is the structural representation of this utility model penholder；
Fig. 4 is the side view of Fig. 3；
Fig. 5 is the structural representation of this utility model collection head.
In figure: the 1-pen cap, 2-penholder, 3-collection head, 4-spring, the 5-cap for brush, 11-penholder containing cavities, 12-collection head is received
Chamber, 13-packing ring, 14-positions hole, 21-body, 22-flange, 23-sleeve pipe, 24-alignment pin, 25-deformation chamber, 26-button, 31-
Collection portion, 32-installation portion, 33-contact pin, 34-jack.
Detailed description of the invention
Understand, below in conjunction with tool with reaching purpose and being readily apparent to make technological means of the present utility model, creation characteristic
Body embodiment is expanded on further this utility model.
On-the-spot trace material evidence gathers pen, sees that Fig. 1 to 5 includes the pen cap 1, penholder 2, collection head 3 and the cap for brush 5；Arrange in the pen cap 1
Have diameter small one and large one penholder containing cavities 11 and collection head containing cavities 12；Connect at penholder containing cavities 11 and collection head containing cavities 12
Logical place is provided with a packing ring 13, is provided with the through hole allowing that penholder 2 passes through in packing ring 13；Before collection head 3 is arranged at the pen cap 1
End, including diameter small one and large one collection portion 31 and installation portion 32, be provided with jack 34 in collection portion 31, be provided with bottom installation portion 32
The contact pin 33 coordinated with jack 34, installation portion 32 is movably connected in collection head containing cavities 12；The cap for brush 5 is located at collection head 3
Periphery, penholder 2 is arranged in the penholder containing cavities 11 of the inside of the pen cap 1, and the tail end of penholder 2 extends the tail end of the pen cap 1, penholder
Installation portion 32 phase of the front end of 2 and collection head 3 is abutted against.The diameter of contact pin is 2 millimeters, and the diameter of jack is 1 millimeter；Alternatively,
The diameter of contact pin and jack can the most rationally be arranged；Preferably, a diameter of 1.5-2.5 millimeter of contact pin 33, jack 34
A diameter of 0.5-1.5 millimeter, all can realize the object of the invention.The tail end of penholder 2 connects a button 26, and button 26 is positioned at pen
Outside set 1.Packing ring 13 and the pen cap 1 are integrated injection mo(u)lding structure.
Collection portion 31 is soft collection portion, the collection portion of preferably NBR material；Installation portion 32 is hard installation portion, the most firmly
The installation portion of matter plastics.Installation portion 32 external diameter matches with collection head containing cavities 12 internal diameter.
It is provided with a circle on the outer wall of penholder 2 stage casing and protrudes the flange 22 of its body 21, outside penholder 2, be arranged with a spring 4, bullet
Spring 4 is compressed between flange 22 and packing ring 13, and penholder 2 rear portion is provided with the limiting mechanism of a counteracting spring restoring force, limits
It is provided with in mechanism and breaks its unbalance mechanism with spring reset dynamic balance.Wherein, limiting mechanism includes being connected to penholder 2 tail end
And external diameter is fit to the sleeve pipe 23 of the pen cap 1 internal diameter, sleeve pipe 23 sidewall is provided with an alignment pin 24, the pen cap 1 is provided with fixed
The hole, location 14 that position pin 24 is suitable；Unbalance mechanism includes being arranged on sleeve pipe 23 about through sleeve pipe and makes alignment pin 24 produce
The deformation chamber 25 of deformation.Location hole 14 height with the length of installation portion 32 with consistent.
Use principle is as follows: under conventional sense, and collection head is loaded in the pen cap and is protected by the cap for brush, and spring-compressed is at pen
Between bar and pen cap inwall, and penetrated by the alignment pin on penholder and determine position, hole and containing on the pen cap；When gathering, take off pen
Cap, exposes collection head, after collecting enough detection specimen with collection portion, collection head front portion, by tactile alignment pin to medial movement,
The deformation of deformation chamber, alignment pin departs from hole, location, and now spring balancing is broken, and penholder can also move；Pressing button, makes penholder
Collection head is extruded outside the pen cap, fall into and container completes collecting work.
Of the present utility model ultimate principle, principal character and of the present utility model advantage have more than been shown and described.One's own profession
Skilled person will appreciate that of industry, this utility model is not restricted to the described embodiments, described in above-described embodiment and description
Principle of the present utility model is simply described, on the premise of without departing from this utility model spirit and scope, this utility model also can
There are various changes and modifications, in the range of these changes and improvements both fall within claimed this utility model.This utility model is wanted
Protection domain is asked to be defined by appending claims and equivalent thereof.
Claims (1)
1. on-the-spot trace material evidence gathers a pen, including the pen cap (1), penholder (2), collection head (3) and the cap for brush (5)；The described pen cap
(1) be provided with in diameter small one and large one penholder containing cavities (11) and collection head containing cavities (12)；At described penholder containing cavities
(11) and collection head containing cavities (12) connectivity part is provided with a packing ring (13), described packing ring (13) is provided with and allows penholder (2)
The through hole passed through；Described collection head (3) is arranged at the front end of the described pen cap (1), including small one and large one collection portion (31) of diameter
With installation portion (32), being provided with jack (34) in described collection portion (31), described installation portion (32) bottom is provided with joins with jack (34)
The contact pin (33) closed, described installation portion (32) is movably connected in collection head containing cavities (12)；The described cap for brush (5) is located at described
The periphery of collection head (3), described penholder (2) is arranged in the penholder containing cavities (11) of the inside of the described pen cap (1), described penholder
(2) tail end extends the installation portion (32) of the tail end of the described pen cap (1), the front end of described penholder (2) and described collection head (3)
It is abutted against mutually；Described installation portion (32) external diameter matches with collection head containing cavities (12) internal diameter；Set on the outer wall of described penholder (2) stage casing
Being equipped with a circle and protrude the flange (22) of its body (21), be arranged with a spring (4) outside described penholder (2), described spring (4) is pressed
Contracting is between described flange (22) and packing ring (13), and described penholder (2) rear portion is provided with the limit of a described spring restoring force of counteracting
Mechanism processed, described limiting mechanism is provided with and breaks its unbalance mechanism with described spring reset dynamic balance；Described limiting mechanism
Including being connected to described penholder (2) tail end and external diameter is fit to the sleeve pipe (23) of the described pen cap (1) internal diameter, described sleeve pipe (23) side
It is provided with an alignment pin (24) on wall, the described pen cap (1) is provided with the location hole (14) suitable with described alignment pin (24)；
Described unbalance mechanism includes being arranged on about the upper through sleeve pipe of described sleeve pipe (23) and making described alignment pin (24) produce deformation
Deformation chamber (25)；The tail end of described penholder (2) connects has a button (26), described button (26) to be positioned at the described pen cap (1) outward；Pad
Circle (13) and the pen cap (1) are integrated injection mo(u)lding structure, it is characterised in that described collection portion (31) is that the soft of NBR material is adopted
Collection portion；Described installation portion (32) is the installation portion of rigid plastics；A diameter of 1.5-2.5 millimeter of contact pin (33), jack (34)
A diameter of 0.5-1.5 millimeter；The length of described installation portion (32) is highly consistent with hole, location (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620191202.3U CN205861372U (en) | 2016-03-11 | 2016-03-11 | A kind of on-the-spot trace material evidence gathers pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620191202.3U CN205861372U (en) | 2016-03-11 | 2016-03-11 | A kind of on-the-spot trace material evidence gathers pen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205861372U true CN205861372U (en) | 2017-01-04 |
Family
ID=57642169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620191202.3U Expired - Fee Related CN205861372U (en) | 2016-03-11 | 2016-03-11 | A kind of on-the-spot trace material evidence gathers pen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205861372U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108489753A (en) * | 2018-03-27 | 2018-09-04 | 俞琳琳 | A kind of split type roller biological material extractor |
| CN111252347A (en) * | 2020-03-18 | 2020-06-09 | 重庆市佰恒科技有限公司 | Infectious specimen containment device and method of use thereof |
-
2016
- 2016-03-11 CN CN201620191202.3U patent/CN205861372U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108489753A (en) * | 2018-03-27 | 2018-09-04 | 俞琳琳 | A kind of split type roller biological material extractor |
| CN111252347A (en) * | 2020-03-18 | 2020-06-09 | 重庆市佰恒科技有限公司 | Infectious specimen containment device and method of use thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170104 Termination date: 20180311 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |