CN201016879Y

CN201016879Y - Automobile whole-layer paint piece sampling head and sampling device for criminal identification

Info

Publication number: CN201016879Y
Application number: CNU2007200028515U
Authority: CN
Inventors: 张维敦
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-01-30
Filing date: 2007-01-30
Publication date: 2008-02-06
Anticipated expiration: 2017-01-30

Abstract

A sampling head and a sampling device of a vehicle whole layer paint flake for criminal monitoring and recognizing include an air dynamic sample pushing device, which is equipped with a gun body, a shooting pipe and a barrel. A component for preventing air pressure from flowing in the shooting pipe is arranged in the gun body. A pneumatic bullet pushing component is arranged in the shooting pipe. The barrel is arranged in front of the shooting pipe. A muzzle of the barrel is equipped with a positioning plate. A supporting plane is formed on the front end of the positioning plate. The sampling head is arranged in the shooting pipe and is pushed along the barrel by the pneumatic bullet pushing component. The sampling head includes a body, which is a cylinder made of nonmetal materials. The periphery is equipped with at least one concave ring groove. The front end of the body is equipped with an axial installation groove. At least one O-shaped ring sleeve is arranged on the concave ring groove, extruding out of the body surface a little. An axial embedded sleeve of a metal head is fixed on the installation groove, with a small part extruding out of the front end face of the body. The metal head is equipped with a groove. A glue layer is arranged in the groove of the metal head. The outer lateral of the glue layer extrudes to the front end face of the metal head to form a viscose surface for acquisition. The sampling head is shot to a vehicle surface by pressed air in the sample pushing device to fetch a sample containing whole layer paint flake. The operation is convenient and safe.

Description

Criminal prison is known the sampling head and the sampler of the vehicle holostrome coating agent which has to be dissolved in alcohol before use of usefulness

Technical field

The utility model relates to sampler, after relating in particular to a kind of traffic hazard generation, the police personnel are investigation accident reason, the sampling apparatus that is used for collection vehicle holostrome coating agent which has to be dissolved in alcohol before use, particularly pull the trigger a sampling head by pneumatic propelling movement mode, form moment thrust and by the reacting force of car body steel plate, plastic-steel or plastic rubber substrate, destroy substrate surface lacquer structure, utilize the glue-line of this sampling head front end face again and the paint sheet that will contain whole enamelled coatings adheres to sampling head and the sampler that the criminal prison that takes out is known the vehicle holostrome coating agent which has to be dissolved in alcohol before use of usefulness.

Background technology

After traffic hazard takes place, in order to clarify traffic accident responsibility, generally can submit a report asking for local police station, the traffic unit of local administration, units such as criminal investigation team or prison knowledge center handle, and collection site paint material evidence, know the benchmark of handling and judging as follow-up prison.Consult shown in Figure 1; when side swipe takes place with other automobiles, locomotive or pedestrian in vehicle 90; its bodywork surface can attach the paint of the other side's vehicle, for example forms the side swipe point at front bumper LHA A or at car door district B, can form the paint 91 of wearing and tearing or the residual the other side's of having vehicle herein usually.Know needing of comparison in order to supervise, in theory must be around two vehicle rum points, take to contain the holostrome lacquer structure standard model of (comprising finish paint and priming paint and/or benefit soil), because automotive paints and car body steel plate, mould have between materials such as copper or plastic cement the height stickability, so gather herein standard model and be not easy, present global traffic personnel in charge of the case mostly uses sharp weapon (for example blade) to scrape and gets its surface lacquer.But, the utility model creator teaches in TaiWan, China Central Police university, and be responsible for criminal paint and supervise teaching of sensible pass and the fixed work of prison, deep understanding is used blade to scrape the lacquer method and is easily scraped the paint that is the break flour shape, be unfavorable for carrying out very much the zone-by-zone analysis and the comparison of paint sample, all criminal prisons are known the laboratory and are all usually felt more puzzlement for this reason.

Because above-mentioned shortcoming, the utility model the creator actively further investigate, and expectation can solve the problem that exists in the current sampling, and then offer global policeman and the practical again vehicle holostrome coating agent which has to be dissolved in alcohol before use sample devices of a kind of convenience of prison knowledge personnel.

The utility model content

Fundamental purpose of the present utility model is to overcome the above-mentioned shortcoming that existing product exists, and provide a kind of criminal prison to know the sampling head and the sampler of the vehicle holostrome coating agent which has to be dissolved in alcohol before use of usefulness, it only must detain trigger, sampling head can be aimed at the acquisition zone percussion, and the holostrome coating agent which has to be dissolved in alcohol before use is taken off and stick on the sampling head automatically in moment, have easy to usely, gather and completely be easy to receive and keep and as the advantage of the usefulness of prison knowledge.

A purpose more of the present utility model is to provide a kind of criminal prison to know the sampling head and the sampler of the vehicle holostrome coating agent which has to be dissolved in alcohol before use of usefulness, it does not destroy vehicle steel plate or car body in sampling process, avoid the litigant to complain, and keep the integrality of on-the-spot vehicle, be beneficial in the future prison fixed with comparison, and use safety and do not have danger.

The purpose of this utility model is realized by following technical scheme.

The criminal prison of the utility model is known the vehicle holostrome coating agent which has to be dissolved in alcohol before use sampling head of usefulness, it is characterized in that comprise: a body is the right cylinder that is made of nonmetallic materials, and its periphery is provided with a scrobicular ring ditch at least, and front end is provided with one and axially installs groove; At least one O font ring is nested with on the scrobicular ring ditch, and slightly protrudes from body surface; One ferrule, axially nested being fixed in the installing groove, and have sub-fraction to protrude from the body front end face, this ferrule front end face is provided with a groove; One glue-line is installed in the ferrule groove, and this glue-line lateral surface protrudes out at the ferrule front end face, forms the viscose glue surface of a collection usefulness.

Aforesaid criminal prison is known the vehicle holostrome coating agent which has to be dissolved in alcohol before use sampling head of usefulness, and wherein body is made by industrial plastic cement, and its tail end is provided with a depression.

Aforesaid criminal prison is known the vehicle holostrome coating agent which has to be dissolved in alcohol before use sampling head of usefulness, and its mesoglea is made of foam glue, and its thickness is between 1mm to 4mm.

The criminal prison of the utility model is known the vehicle holostrome coating agent which has to be dissolved in alcohol before use sampler of usefulness, comprise: one is the sample pusher of power by gas, it possesses rifle body, percussion pipe and gun barrel, be provided with the member that control air pressure enters the percussion pipe in the rifle body, be provided with a pneumatic bullet assembly that pushes away in this percussion pipe, this gun barrel is located at percussion pipe front end; It is characterized in that, a sheathed rubber-like positioning disk on the muzzle of described gun barrel front end, this positioning disk front end forms an abutment face; One sampling head is put in the percussion pipe, by this pneumatic bullet assembly that pushes away, it is pushed along gun barrel, and its structure comprises: a body is the right cylinder that is made of nonmetallic materials, and its periphery is provided with a scrobicular ring ditch at least, and front end is provided with one and axially installs groove; At least one O font ring is nested with on the scrobicular ring ditch, and slightly protrudes from body surface; One ferrule, axially nested being fixed in the installing groove, and have sub-fraction to protrude from the body front end face, this ferrule front end face is provided with a groove; One glue-line is installed in the ferrule groove, and this glue-line lateral surface protrudes out at the ferrule front end face, forms the viscose glue surface of a collection usefulness.

Aforesaid criminal prison is known the vehicle holostrome coating agent which has to be dissolved in alcohol before use sampler of usefulness, and wherein positioning disk is made of rubber, and this abutment face protrudes out in muzzle front end one distance D.

Aforesaid criminal prison is known the vehicle holostrome coating agent which has to be dissolved in alcohol before use sampler of usefulness, and wherein the gun barrel periphery is being provided with the bulge loop rib near the muzzle place, and positioning disk internal diameter relative position is provided with the scrobicular ring ditch, makes its nested being positioned on the muzzle.

Aforesaid criminal prison is known the vehicle holostrome coating agent which has to be dissolved in alcohol before use sampler of usefulness, and wherein gun barrel adopts screw-in version to be locked in the outlet of percussion pipe.

The sampling head of the vehicle holostrome coating agent which has to be dissolved in alcohol before use of the criminal prison knowledge of the utility model usefulness and the beneficial effect of sampler, its sampling head and one that a kind of special construction is provided is in order to pull the trigger the sample pusher of this sampling head; The positioning disk that must sheathed one on the muzzle of this sample pusher has elastic buffer function, in order to contact at surface of vehicle; This sampling head comprises: a body is the right cylinder that is made of nonmetallic materials, and its periphery is provided with a scrobicular ring ditch at least, and front end is provided with an axial installing groove; At least one O font ring is nested with on the scrobicular ring ditch, and slightly protrudes from body surface; One ferrule is axially nested being fixed in the installing groove, and has sub-fraction to protrude from the body front end face that this ferrule front end face is provided with a groove; One glue-line is to be installed in the ferrule groove, and the glue-line lateral surface protrudes out at the ferrule front end face, forms a viscose glue surface of gathering usefulness according to this.During sampling, sampling head places in the sample pusher, the mouth of pipe touch the position of desire sampling, utilizes the sample pusher compressed air with sampling head directive surface of vehicle, with moment power contact car body surface with the surface lacquer structural failure on its steel plate, plastic-steel or the plastic rubber substrate, thereby disengaging base material, the sample that sampling head will contain the holostrome coating agent which has to be dissolved in alcohol before use is taken out, collection vehicle holostrome coating agent which has to be dissolved in alcohol before use easily, and keep the integrality of on-the-spot vehicle, be beneficial to the fixed and comparison of prison in the future, use safety.

Description of drawings:

Fig. 1 is existing vehicle side swipe view.

Fig. 2 is the utility model sampling head spatial structure exploded view.

Fig. 3 is the utility model sampling head perspective view.

Fig. 4 is the utility model sampling head structure cut-away view.

Fig. 5 is the utility model sampler decomposition texture stereographic map.

Fig. 6 is the utility model sampler structure cut-away view, and the demonstration sampling head is not pulled the trigger state as yet.

Fig. 7 is the utility model sampler structure cut-away view, shows sampling head directive surface of vehicle.

Fig. 8 is the utility model sampler structure cut-away view, and the demonstration sampling head is oppositely return the gun barrel state.

Fig. 9 is the utility model sampling completion status figure.

Major label description in figure: 10 bodies, 11 scrobicular ring ditches, 12 installing grooves, 13 depressions, 20 are 0 font ring, 30 ferrule, 31 grooves, 40 glue-lines, 41 viscose glue surfaces, 50 sampling heads, 60 body of a guies, 601 plate machines, 602 pneumatic supplies, 603 air chambers, 61 percussion pipes, 611 pneumatic bullet assembly, 62 gun barrels, 621 muzzle, 622 bulge loop ribs, 63 screw-in version, 70 positioning disks, 71 abutment faces, 72 scrobicular ring ditches, 80 sample pushers, 90 vehicles, 91 paint, 91a holostrome coating agent which has to be dissolved in alcohol before use, 92 rum points of pushing away.

Embodiment

Consult Fig. 2 to shown in Figure 4, the sampling head 50 that the utility model disclosed, its preferred embodiment includes: a body 10 is the right cylinders that are made of nonmetallic materials, for example adopts that engineering plastic material or ABS etc. are made to be become preferablely, but is not limited to this.Not adopting metal material is to consider various factorss such as its elastic wave velocity control, bump strength, minimizing transducer wall ' s abrasion and sampling ability, in experiment, find, if body adopts metal (for example: steel or lead), the result shows the sampling poor effect, it is except the percussion energy is wanted enough, and because of its tool penetrability, can destroy surface of vehicle, make it present serious depression, break or run through, so, the utility model is based on the consideration of multiple factors such as selecting for use of security, non-destructive and percussion lock, and these body 10 discomforts are combined into metal material.

These body 10 peripheries are provided with a scrobicular ring ditch 11 at least, and for being nested with an O font ring 20, and O font ring 20 slightly protrudes from body 10 surfaces, and this O font ring 20 and scrobicular ring ditch 11 are two in the present embodiment, but are not limited to this, can increase according to need.The purpose that this O font ring 20 is set is to make body 10 consistent with percussion pipe 61 and gun barrel 62 internal diameters, reduces the gap and increases range stability, and it repeats after acting in detail and holding.In addition, body 10 front ends are provided with an axial installing groove 12, and this installing groove 12 is preferable with circle; In addition, these body 10 tail ends are provided with a depression 13.

One ferrule 30, axially nested being fixed in the installing groove 12, and have sub-fraction to protrude from the front end face of body 10, these ferrule 30 front end faces are provided with a groove 31.The material of ferrule 30 can be wherein arbitrary metals such as iron, copper, lead or its alloy constitutes.

One glue-line 40 is installed in the groove 31 of ferrule 30, and glue-line 40 lateral surfaces protrude out the front end face in ferrule 30, forms a viscose glue surface 41 of gathering usefulness according to this.Glue-line 40 herein comprises general double faced adhesive tape (as 3M), also be that the foam glue of thickness between 1mm to 4mm is preferable, but be not limited to this, by glue-line 40 that other equivalent materials constituted also can, but suitable thickness and elasticity are necessary, foam glue then is the material of ready-made most convenient, for example: the degree of depth of this groove 31 is 1mm, then foam glue can be selected 2mm thickness for use, and wherein 1mm is adhesive in the groove 31, and 1mm thickness then convexedly stretches in ferrule 30 surfaces in addition.

The utility model aforementioned techniques feature is all considered, ferrule 30 will provide intensity required when clashing into, prevent its explosion, but do not wish that ferrule 30 directly strikes surface of vehicle, cause steel plate to produce serious depression, so glue-line provides a buffering effect 40 this moments just, and the vehicle steel plate can not caved in or be out of shape.In addition, sampling head 50 of the present utility model, its body 10 are set as the shape as the piston, are for the consideration on using, and below cooperate sample pusher 80 detailed description.

Consult Fig. 5, shown in Figure 6, the utility model further discloses a kind of sample pusher 80 in order to pull the trigger aforementioned sampling head 50.The principle of described sample pusher 80 and primary structure are identical with general paintball gun (Paintgun), and are that the pneumatic propelling movement of utilization compression is preferable; This type paintball gun is seen in as announcing No. 540689, No. 575161 and patent case such as No. the 6th, 601,780, United States Patent (USP) and the 6th, 925, No. 997, but is not limited to this, and promptly other similar paintball gun or the employed delivery device of air cannon all can.Why the utility model adopts paintball gun to be used as firing lock, be since the gaseous tension of paintball gun about 50kg/cm ²And the about 17.5mm of ball external diameter of painted ball, the radial diameter of itself and sampling head of the present utility model 50 is roughly the same, and the weight of the two also is more or less the same, in this case, fire for adjustment by the paintball gun that the creator of aforementioned paintball gun patent case provides, the utility model only needs to improve at the length and the structure of gun barrel 62, and be benchmark with the length of gun barrel 62, various parameters such as weight with reference to sampling head 50, can calculate and required send bullet best atmospheric pressure value, these atmospheric pressure values all can be adjusted or it is set as fixed value by the Control Components in the rifle body 60.The further sampler that discloses of the utility model comprises the sample pusher 80 that sampling head 50 reaches in order to percussion sampling head 50, sample pusher 80 is to utilize gas to constitute for the paintball gun of power, it possesses a rifle body 60, percussion pipe 61 and gun barrel 62, be provided with the member that control air pressure enters percussion pipe 61 in this rifle body 60, such as: trigger 601, pneumatic supply 602 and air chamber 603 etc., be provided with pneumatic pushing away in this percussion pipe 61 and play assembly 611, gun barrel 62 is located at percussion pipe 61 front ends; Above member all is the structure of general paintball gun, is prior art (Prior Art), and non-technical bid of the present utility model so its principle and the situation of moving in detail repeat no more.

The sample pusher 80 that the utility model discloses, it is that with general paintball gun difference this gun barrel 62 can shorten, and a sheathed rubber-like positioning disk 70 on the muzzle 621 of its front end, these positioning disk 70 front ends form an abutment face 71.In the present embodiment, this positioning disk 70 is that to adopt rubber to be made for preferable, makes it have the absorption location, avoids directly contact lacquer paintings of muzzle 621, has pooling feature during bump.

This abutment face 71 protrudes out in muzzle 621 front ends one distance D.This design is the base materials such as steel plate that directly touch vehicle 90 for fear of muzzle 621, and produces the situation of scraping the painted surface of wounding.

The fixed form of this gun barrel 62 and positioning disk 70 is that gun barrel 62 peripheries are provided with bulge loop rib 622 near muzzle 621 places in the present embodiment, and these positioning disk 70 internal diameter relative positions are provided with scrobicular ring ditch 72, make its nested being positioned on the muzzle 621.This gun barrel 62 can screw-in version 63 be locked in 61 outlets of percussion pipe, and like this, the gun barrel 62 of conveniently replaced different length can be in response to different demands, also conveniently pulls down harvesting certainly and does not take up space.

Consult shown in Figure 6ly, when the utility model is desired the paint 91 of collection vehicle 90, sampling head 50 is placed in the percussion pipe 61 earlier, will push away the positioning disk 70 that plays rifle 80 then and aim at and be resisted against the zone of desire sampling; Then, detain plate machine 601, then pneumatic supply 602 enters percussion pipe 61 through air chamber 603, play assembly 611 promotion sampling heads 50 by this pneumatic pushing away, it is pushed along gun barrel 62, and then as shown in Figure 7, utilize sampling head 50 viscose glue surface 41 bump paint 91 foremost.As described above, because sampling head 50 is right cylinder, and body 10 peripheries are provided with O font ring 20, so it moves in gun barrel 62 as piston fast, because body 10 is made by industrial plastic cement, weight is moderate, so being suitable for general paintball gun or air cannon promotes, but when experiment, find, if body 10 front ends are not installed a bit of ferrule 30, when then sampling head 50 strikes vehicle, because its car body mostly is steel plate, so body 10 easily produces explosion, so need set up a ferrule 30 to increase its intensity under clashing in moment.

Consult shown in Figure 8, after showing sampling head 50 directive vehicles 90 surfaces, the local reacting force of the base materials such as steel plate that utilize the moment contact to be produced, with the sticking outstanding structural failure between its paint 91 and car body base material, contain the holostrome coating agent which has to be dissolved in alcohol before use 91a of whole enamelled coatings thereby come off, adhere to the holostrome coating agent which has to be dissolved in alcohol before use 91a that touched by its viscose glue surface 41 this moment, after sampling head 50 vehicle impact, can produce a reacting force F, force sampling head 50 in muzzle 621 is oppositely return gun barrel 62, so with holostrome coating agent which has to be dissolved in alcohol before use 91a from rum point 92 places sucking-off.

So, consult shown in Figure 9, when sampling head 50 takes out in gun barrel 62, its viscose glue surface 41 can be adsorbed with a holostrome coating agent which has to be dissolved in alcohol before use 91a who contains whole skin of paints, holostrome coating agent which has to be dissolved in alcohol before use 91a body in the form of sheets thus, more different with break flour or curling shape that existing habitual cutter is scraped, the method that the utility model adopted can be obtained convenient prison and know the standard model of analyzing.So sampling head 50 of the present utility model can solve existing use blade really and scrape the problem that the lacquer sampling exists.

The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.

Claims

1. the vehicle holostrome coating agent which has to be dissolved in alcohol before use sampling head of a criminal prison knowledge usefulness is characterized in that comprise: a body is the right cylinder that is made of nonmetallic materials, and its periphery is provided with a scrobicular ring ditch at least, and front end is provided with one and axially installs groove; At least one O font ring is nested with on the scrobicular ring ditch, and slightly protrudes from body surface; One ferrule, axially nested being fixed in the installing groove, and have sub-fraction to protrude from the body front end face, this ferrule front end face is provided with a groove; One glue-line is installed in the ferrule groove, and this glue-line lateral surface protrudes out at the ferrule front end face, forms the viscose glue surface of a collection usefulness.

2. criminal prison according to claim 1 is known the vehicle holostrome coating agent which has to be dissolved in alcohol before use sampling head of usefulness, it is characterized in that described body is made by industrial plastic cement, and its tail end is provided with a depression.

3. criminal prison according to claim 1 is known the vehicle holostrome coating agent which has to be dissolved in alcohol before use sampling head of usefulness, it is characterized in that described glue-line is made of foam glue, and its thickness is between 1mm to 4mm.

4. a criminal prison is known the vehicle holostrome coating agent which has to be dissolved in alcohol before use sampler of usefulness, comprise: one is the sample pusher of power by gas, and it possesses rifle body, percussion pipe and gun barrel, is provided with the member that control air pressure enters the percussion pipe in the rifle body, be provided with a pneumatic bullet assembly that pushes away in this percussion pipe, this gun barrel is located at percussion pipe front end; It is characterized in that, a sheathed rubber-like positioning disk on the muzzle of described gun barrel front end, this positioning disk front end forms an abutment face; One sampling head is put in the percussion pipe, by this pneumatic bullet assembly that pushes away, it is pushed along gun barrel, and its structure comprises: a body is the right cylinder that is made of nonmetallic materials, and its periphery is provided with a scrobicular ring ditch at least, and front end is provided with one and axially installs groove; At least one O font ring is nested with on the scrobicular ring ditch, and slightly protrudes from body surface; One ferrule, axially nested being fixed in the installing groove, and have sub-fraction to protrude from the body front end face, this ferrule front end face is provided with a groove; One glue-line is installed in the ferrule groove, and this glue-line lateral surface protrudes out at the ferrule front end face, forms the viscose glue surface of a collection usefulness.

5. criminal prison according to claim 4 is known the vehicle holostrome coating agent which has to be dissolved in alcohol before use sampler of usefulness, it is characterized in that described positioning disk is made of rubber, and this abutment face protrudes out in muzzle front end one distance D.

6. criminal prison according to claim 4 is known the vehicle holostrome coating agent which has to be dissolved in alcohol before use sampler of usefulness, it is characterized in that described gun barrel periphery is being provided with the bulge loop rib near the muzzle place, and positioning disk internal diameter relative position is provided with the scrobicular ring ditch, makes its nested being positioned on the muzzle.

7. criminal prison according to claim 4 is known the vehicle holostrome coating agent which has to be dissolved in alcohol before use sampler of usefulness, it is characterized in that, described gun barrel adopts screw-in version to be locked in the outlet of percussion pipe.