CN102250757B - Gene gun - Google Patents
Gene gun Download PDFInfo
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- CN102250757B CN102250757B CN 201110203190 CN201110203190A CN102250757B CN 102250757 B CN102250757 B CN 102250757B CN 201110203190 CN201110203190 CN 201110203190 CN 201110203190 A CN201110203190 A CN 201110203190A CN 102250757 B CN102250757 B CN 102250757B
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Abstract
The invention discloses a particle gun which comprises a gun case, an armguard, a trigger and an adjusting nut. The particle gun is characterized in that a spray head provided with a plurality of spray holes is arranged at the front end of the gun case; a piston rod, a trip rod and a magnetic driving mechanism are sequentially arranged in an inner cavity of the gun case; the magnetic driving mechanism comprises a magnetic block, an iron block and a gas path switching device by which the magnetic block and the iron block are mutually separated and attracted; a liquid medicine injection part communicated with a liquid medicine accommodation chamber is arranged on the gun case; the tail end of the piston rod is movably connected with the front end of the trip rod through an elastic plastic connecting member; the tail end of the trip rod is fixedly connected with the magnetic block through a copper block connecting member; a first sealing chamber in the gun case is communicated with the gap path switching device through a first ventilation pipeline; a second sealing chamber in the gun case is communicated with the gas path switching device through a second ventilation pipeline; and a gas inlet hole of the gas path switching device is connected with an external gas path. The particle gun is characterized in that the liquid medicine is shot by using external air pressure through the gas path switching device under the action of magnetic force without consuming great effort; and the service life is long.
Description
Technical field
The present invention relates to a kind of instrument that in bio-genetics, uses, especially relate to a kind of particle gun.
Background technology
In the bio-genetics field, particle gun is a kind of requisite instrument, initial particle gun is to adopt the gunpowder bullet to bombard, be called a kind of method of metastatic gene and the particle gun of metastatic gene (patent No. is 89109334) thereof such as the Chinese invention patent name and disclose particle gun so a kind of, its utilizes " speed and the method for the proportion speed ground control bombardment of gunpowder; and can operate under the closed state He under the non-closed state with task equipment; can be to bombarding the importing of realization foreign gene from biomass cells, thereby the proterties of change biology." this genoid rifle can damage to some extent to sample, the impurity in the gunpowder also can be injected in the sample simultaneously, and its precision often is difficult to control.
The Chinese patent name is called a kind of liquid gene gun (patent No. is 200610051783.1) and discloses a kind of particle gun, this particle gun comprises the housing with inner chamber and the magazine that is connected with housing, be provided with in this housing can before and after the impeller that promotes and make the fast accumulation of energy driving mechanism of reach of impeller, it is main element that this accumulation of energy driving mechanism adopts a spring that is positioned at housing, by being arranged on the compression of the outer trigger control spring of housing, and then the emission of the interior liquid medicine of control magazine, can prevent that impurity from injecting in the sample, and easily control, but this process need artificially spurs trigger and finishes action to be hit, require great effort, and spring is in compressed state for a long time, reduces easily its work-ing life.
Summary of the invention
Technical problem to be solved by this invention provides a kind of external air pressure, and need not to require great effort, the pulling trigger can be launched fast continuously and the particle gun of long service life.
The present invention solves the problems of the technologies described above the technical scheme that adopts: a kind of particle gun, comprise the rifle shell, handguard, trigger and setting nut, the front end of described rifle shell is provided with the shower nozzle with several spray orifices, the inner chamber of described rifle shell is disposed with the piston rod that can move around in the rifle shell, drop bar and the magnetic driving mechanism that moves for the driving drop bar, described magnetic driving mechanism comprises magnetic patch, iron block and be used for makes magnetic patch and iron block be separated from each other gas path switching device with adhesive, between described shower nozzle and described piston rod, be provided with the liquid medicine accommodating chamber in the described rifle shell, be provided with the liquid medicine injection member that communicates with described liquid medicine accommodating chamber on the described rifle shell, the tail end of described piston rod and the front end of described drop bar are flexibly connected by the plastelast web member, the tail end of described drop bar is fixedly connected with by the copper billet web member with described magnetic patch, be provided with the first sealed chamber between the internal surface of described rifle shell and the periphery wall of described drop bar, between described magnetic patch and described iron block, be provided with the second sealed chamber in the described rifle shell, described the first sealed chamber is communicated with described gas path switching device by the first vent line, described the second sealed chamber is communicated with described gas path switching device by the second vent line, and the air inlet port of described gas path switching device is connected with outside gas circuit by gas fittings.
Described rifle shell comprises rifle head syringe and the body of a gun, described rifle head syringe be connected the body of a gun and connect by the screw thread one, be provided with the syringe set nut for locking rifle head syringe and the body of a gun on the described rifle head syringe.
Be provided with showerhead base in the described rifle head syringe, described liquid medicine accommodating chamber comprises the first liquid medicine accommodating chamber and the second liquid medicine accommodating chamber, described the first liquid medicine accommodating chamber is between described shower nozzle and described showerhead base, between the described described showerhead base of the second liquid medicine accommodating chamber and the described piston rod, be provided with the first flowing water through hole that communicates with described the first liquid medicine accommodating chamber in the described showerhead base, be vertically arranged with at least one first prosopyle that connects with described the first flowing water through hole on the housing of described showerhead base, the tail end inlay card of described the first flowing water through hole is useful on the rubber piston of the liquid medicine backflow that prevents in described the first flowing water through hole, be coated with the injection liquid catch on the outer face of described rubber piston, be provided with several breach on the described injection liquid catch, the diameter of described the first flowing water through hole is less than the diameter of described rubber piston, the diameter of described rubber piston is less than the diameter of described injection liquid catch, described injection liquid catch be connected on the end face of installation through hole of described showerhead base and with the front end movable contact of described piston rod, described liquid medicine injection member comprises the syringe fixed head, nonreturn valve core and the second flowing water through hole, described nonreturn valve core is arranged on the below of described syringe fixed head, the upper end of described nonreturn valve core is the spherical sealed end socket, its inside is provided with the chamber that communicates with described the second flowing water through hole, be provided with at least one second prosopyle that communicates with described chamber on the perisporium of described nonreturn valve core, described the second flowing water through hole is connected with described the second liquid medicine accommodating chamber and communicates with described the first liquid medicine accommodating chamber by the breach that arranges on the described injection liquid catch, described nonreturn valve core has the longitudinal section that is T-shaped, its tail is arranged with spring, and the front end of described spring is connected on the step of described nonreturn valve core head.
Described plastelast web member is plastic barrel, the end that described plastic barrel is connected with the tail end of described piston rod is provided with at least three triangular cuts, the internal surface of the plastic barrel between each described triangular cut is provided with boss, the tail end of described piston rod has the longitudinal section that is T-shaped, the rear end kink of described boss is connected on the step of tail end of described piston rod, described plastic barrel is provided with annular lip with the internal surface of the end that the front end of described drop bar is connected, the periphery of the front end of described drop bar is provided with annular recesses, described annular lip inlay card is in described annular recesses, and the surface of described boss has the triangle projection.
One end of described copper billet web member is provided with connecting through hole and its other end is provided with the installation through hole, be provided with the circular orientation flange on the hole wall of described connecting through hole, the tail end of described drop bar is provided with relief groove, described circular orientation flange inlay card is in described relief groove, described magnetic patch is fixedly mounted in the described installation through hole, be provided with iron plate in the described installation through hole, the inner side end of described magnetic patch is close to and is covered to described iron plate, gap-fill between described magnetic patch and the described installation through hole has binding agent, be provided with detent on the hole wall of described installation through hole, fill described binding agent in the described detent.
Described iron block is fixedly connected with described setting nut, and the tail end of described setting nut is fixedly connected with the shell knob.
Described gas path switching device comprises the trigger guide rod that can move back and forth and the gas circuit spool that can move back and forth in the rifle shell in the rifle shell, the front end of described trigger guide rod and described trigger offset, described gas circuit spool is positioned at the rear of described trigger guide rod and the taper type through hole of gas circuit spool front end and the tapered end of trigger guide rod rear end and matches, the rear end of described gas circuit spool is positioned at described air inlet port, described rifle shell is interior and be provided with the 3rd sealed chamber between described trigger guide rod and described gas circuit spool, described the 3rd sealed chamber is communicated with described the first sealed chamber by described the first vent line, be provided with sealing-gap between the internal surface of the outside surface of described gas circuit spool and described rifle shell, described sealing-gap is communicated with described the second sealed chamber by described the second vent line, the periphery wall of the tail end of described gas circuit spool is provided with the tightness system of described the second vent line of movable sealing and described air inlet port, the tail end of described gas circuit spool has and is T-shaped longitudinal section and is arranged with return spring, one end of described return spring is connected on the step of tail end of described gas circuit spool, its the other end is connected to the entrance end of described air inlet port, and the length under the described return spring standard state is greater than the maximum spacing sum between the entrance end of the step of the maximum spacing between trigger guide rod and the gas circuit spool and gas circuit spool tail end and air inlet port.
Be provided with the first outlet passageway and the second outlet passageway in the housing of described handguard, described the 3rd sealed chamber is connected with described the first outlet passageway, described sealing-gap is connected with described the second outlet passageway, and the air outlet of the air outlet of described the first outlet passageway and described the second outlet passageway is respectively arranged with metal screen.
The front end end of described trigger guide rod is circular arc.
The internal surface of the outside surface of described piston rod and described rifle shell is provided with the 4th sealed chamber, and described the 4th sealed chamber is provided with the production well with exterior.
Compared with prior art, the invention has the advantages that: a kind of particle gun of the present invention, comprise the rifle shell, handguard, trigger and setting nut, the front end of described rifle shell is provided with shower nozzle, the inner chamber of described rifle shell is disposed with the piston rod that can move around in the rifle shell, drop bar and the magnetic driving mechanism that moves for the driving drop bar, described magnetic driving mechanism comprises magnetic patch, iron block and be used for makes magnetic patch and iron block be separated from each other gas path switching device with adhesive, the air inlet port of described gas path switching device is connected with outside gas circuit by gas fittings, therefore this particle gun only needs external air pressure, pass through gas path switching device, rely on the mechanical energy that stores when offsetting magnetic force that liquid medicine is launched, need not effort and long service life.
Further because the rifle shell comprises rifle head syringe and the body of a gun, this rifle head syringe is connected the screw thread one and connects with the body of a gun, and be provided with the syringe set nut for locking rifle head syringe and the body of a gun on the rifle head syringe, therefore after using for some time, also rifle head syringe can be unloaded sterilization, avoid the infection of liquid medicine in the rifle head syringe.
Further owing to be provided with showerhead base in the rifle head syringe, the liquid medicine accommodating chamber comprises the first liquid medicine accommodating chamber and the second liquid medicine accommodating chamber, the tail end inlay card of the first flowing water through hole that arranges in the showerhead base has rubber piston, be coated with the injection liquid catch that is provided with several breach on the outer face of this rubber piston, the second flowing water through hole of liquid medicine injection member is connected with the second liquid medicine accommodating chamber and communicates with the first liquid medicine accommodating chamber by the breach that arranges on the injection liquid catch, by the liquid medicine injection member the first liquid medicine accommodating chamber and the second liquid medicine accommodating chamber are full of liquid medicine, when piston rod pushes liquid medicine in the second liquid medicine accommodating chamber, liquid medicine in the first liquid medicine accommodating chamber is squeezed penetrates by shower nozzle, thereby guaranteed liquid medicine in the first liquid medicine accommodating chamber air that can not mix.
Further because the liquid medicine injection member comprises syringe fixed head, nonreturn valve core and the second flowing water through hole, this nonreturn valve core is arranged on the below of syringe fixed head, the upper end of nonreturn valve core is the spherical sealed end socket, its inside is provided with the chamber that communicates with the second flowing water through hole, this nonreturn valve core has the longitudinal section that is T-shaped, its tail is arranged with spring, the front end of spring is connected on the step of nonreturn valve core head, thereby the liquid medicine that injection is entered in the second flowing water through hole can be back in the syringe, and this spring make nonreturn valve core Rapid reset under the effect of pressure.
Further because the plastelast web member is plastic barrel, the end that plastic barrel is connected with the tail end of piston rod is provided with at least three triangular cuts, the internal surface of the plastic barrel between each triangular cut is provided with boss, the rear end of boss is connected on the step of tail end of piston rod, the surface of this boss has the triangle projection, can make piston rod and plastic barrel between realize being flexibly connected, under the shock absorption of triangle projection, piston rod breaks away from easily plastic barrel or sticks in the plastic barrel;
Further because an end of copper billet web member is provided with connecting through hole and its other end is provided with the installation through hole, be provided with iron plate in this installation through hole, the inner side end of magnetic patch is close to and is covered to this iron plate, cut off the magnetic line of force of magnetic patch, strengthens magnetic patch to the magnetism of iron block; Further because the gap-fill between magnetic patch and the installation through hole has binding agent, be provided with detent on the hole wall of installation through hole, fill described binding agent in this detent, magnetic patch better is fixed on installs in the through hole;
Further because iron block is fixedly connected with setting nut, and the tail end of setting nut is fixedly connected with the shell knob, by regulating the shell knob, regulate the spacing between magnetic patch and the iron block.
Further because gas path switching device comprises the trigger guide rod that can move back and forth and the gas circuit spool that can move back and forth in the rifle shell in the rifle shell, front end and the trigger of trigger guide rod offset, described gas circuit spool is positioned at the rear of described trigger guide rod and the taper type through hole of gas circuit spool front end and the tapered end of trigger guide rod rear end and matches, the 3rd sealed chamber is communicated with the first sealed chamber by the first vent line, sealing-gap is communicated with the second sealed chamber by the second vent line, the periphery wall of the tail end of gas circuit spool is provided with the tightness system of movable sealing the second vent line and air inlet port, and the length under the return spring standard state is greater than the maximum spacing sum between the exit end of the step of the maximum spacing between trigger guide rod and the gas circuit spool and gas circuit spool tail end and air outlet, when passing into external pressure, under the effect of return spring, the reach of gas circuit spool, tightness system seals the second vent line and air inlet port, gas enters the 3rd sealed chamber, then enter the first sealed chamber by the first vent line, when gas accumulates to certain pressure, under the effect of air pressure, magnetic patch and iron block adhesive, particle gun is in arm-to-arm, trigger is pulled backward, tightness system breaks away from robs the shell internal surface, sealing-gap communicates with air inlet port, gas enters sealing-gap, then enter the second sealed chamber by the second vent line, when gas accumulates to certain pressure, under the effect of air pressure, magnetic patch separates with iron block, further promote drop bar ramming piston bar, piston rod penetrates the extruding of the liquid medicine in the first liquid medicine accommodating chamber.
Further owing to be provided with the first outlet passageway and the second outlet passageway in the housing of handguard, the 3rd sealed chamber is connected with the first outlet passageway, sealing-gap is connected with the second outlet passageway, air in the 3rd sealed chamber and the sealing-gap can be discharged by the first outlet passageway and the second outlet passageway respectively, and the metal screen that the air outlet of the air outlet of the first outlet passageway and the second outlet passageway arranges respectively can filter the air that the outside flows in the rifle shell.
Further because the front end end of trigger guide rod is circular arc, reduce the frictional force between trigger guide rod and the trigger, it is more laborsaving that the staff is operated.
Further because the outside surface of piston rod and the internal surface of rifle shell form the 4th sealed chamber by tightness system, the 4th sealed chamber is provided with the air outlet with exterior, can be with the Bas Discharged in the 4th sealed chamber, the atmospheric drag when reducing the piston rod to-and-fro movement.
In sum, the present invention is simple in structure, only needs external air pressure, and the pulling trigger that need not to require great effort can be launched liquid medicine and greatly increase the work-ing life of this particle gun fast continuously.
Description of drawings
Fig. 1 is the front view of particle gun of the present invention;
Fig. 2 is the rear view of particle gun of the present invention;
Fig. 3 is the A-A ' cross-sectional view of Fig. 1;
Fig. 4 is the structural representation of rifle head syringe of the present invention;
Fig. 5 is the structural representation of plastelast web member of the present invention;
Fig. 6 is the structural representation of copper billet web member of the present invention.
Embodiment
Embodiment is described in further detail the present invention below in conjunction with accompanying drawing.
Specific embodiment
A kind of particle gun of the present invention, such as Fig. 1, Fig. 2 and shown in Figure 3, comprise rifle shell 1, handguard 2, trigger 3 and setting nut 4, the front end of this rifle shell 1 is provided with the shower nozzle set nut 42 that is provided with on the shower nozzle 5(rifle shell 1 with several spray orifices for locking shower nozzle 5), the inner chamber of rifle shell 1 is disposed with the piston rod 6 that can move around in rifle shell 1, drop bar 7 and the magnetic driving mechanism that moves for driving drop bar 7, this magnetic driving mechanism comprises magnetic patch 8, iron block 9 and being used for makes magnetic patch 8 and iron block 9 be separated from each other gas path switching device 10 with adhesive, between shower nozzle 5 and piston rod 6, be provided with liquid medicine accommodating chamber 11 in the rifle shell 1, be provided with the liquid medicine injection member 12 that communicates with liquid medicine accommodating chamber 11 on the rifle shell 1, the front end of the tail end of piston rod 6 and drop bar 7 is flexibly connected by the plastelast web member, the tail end of drop bar 7 is fixedly connected with by copper billet web member 14 with magnetic patch 8, be provided with the first sealed chamber 15 between the periphery wall of the internal surface of rifle shell 1 and drop bar 7, between magnetic patch 8 and iron block 9, be provided with the second sealed chamber 16 in the rifle shell 1, the first sealed chamber 15 is communicated with gas path switching device 10 by the first vent line 17, the second sealed chamber 16 is communicated with gas path switching device 10 by the second vent line 18, and the air inlet port 19 of gas path switching device 10 is connected with outside gas circuit by gas fittings 20.
In this specific embodiment, as shown in Figure 3, Figure 4, rifle shell 1 comprises rifle head syringe 21 and the body of a gun 22, rifle head syringe 21 is connected with the body of a gun by the connection of screw thread one, be provided with the syringe set nut 23 for locking rifle head syringe 21 and the body of a gun 22 on the rifle head syringe 21, the showerhead base installation through hole 24 and the piston rod that are provided with mutual perforation in the rifle head syringe 21 move through hole 25.
As shown in Figure 4, be provided with showerhead base 26 in this rifle head syringe 21, liquid medicine accommodating chamber 11 comprises the first liquid medicine accommodating chamber 111 and the second liquid medicine accommodating chamber 112, the first liquid medicine accommodating chamber 111 is arranged on showerhead base and installs in the through hole 24 and between shower nozzle 5 and showerhead base 26, the second liquid medicine accommodating chamber 112 is arranged on piston rod and moves in the through hole 25 and between showerhead base 26 and piston rod 7, be provided with the first flowing water through hole 261 that communicates with the first liquid medicine accommodating chamber 111 in the showerhead base 26, be vertically arranged with at least one first prosopyle 262 that connects with the first flowing water through hole 261 on the housing of showerhead base 26, the tail end inlay card of the first flowing water through hole 261 is useful on the rubber piston 27 of the liquid medicine backflow that prevents in the first flowing water through hole 261, be coated with injection liquid catch 28 on the outer face of rubber piston 27, be provided with several breach on the injection liquid catch 28, the diameter of the first flowing water through hole 261 is less than the diameter of rubber piston 27, the diameter of rubber piston 27 is less than the diameter of injection liquid catch 28, injection liquid catch 28 be connected to that showerhead base is installed on the end face of through hole 24 and with the front end movable contact of piston rod 6.
In this specific embodiment, as shown in Figure 4, liquid medicine injection member 12 comprises syringe fixed head 121, nonreturn valve core 122 and the second flowing water through hole 123, nonreturn valve core 122 is arranged on the below of syringe fixed head 121, the upper end of nonreturn valve core 122 is the spherical sealed end socket, its inside is provided with the chamber 124 that communicates with the second flowing water through hole 123, be provided with at least one second prosopyle 125 that communicates with chamber 124 on the perisporium of nonreturn valve core 122, the second flowing water through hole 123 is connected with the second liquid medicine accommodating chamber 112 and communicates with the first liquid medicine accommodating chamber 111 by the breach that arranges on the injection liquid catch 28, nonreturn valve core 122 has the longitudinal section that is T-shaped, its tail is arranged with spring 126, and the front end of spring 126 is connected on the step of nonreturn valve core 122 heads.
In this specific embodiment, as shown in Figure 5, the plastelast web member is plastic barrel 13, the end that plastic barrel 13 is connected with the tail end of piston rod 6 is provided with at least three triangular cut (not shown), the internal surface of the plastic barrel 13 between each triangular cut is provided with boss 131, the tail end of piston rod 6 has the longitudinal section that is T-shaped, the rear end kink of boss 131 is connected on the step of tail end of piston rod 6, plastic barrel 13 is provided with annular lip 132 with the internal surface of the end that the front end of drop bar 7 is connected, the periphery of the front end of drop bar 7 is provided with annular recesses 71, annular lip 132 inlay cards are in annular recesses 71, and the surface of boss 131 has the triangle projection.
In this specific embodiment, as shown in Figure 6, one end of copper billet web member 14 is provided with connecting through hole 141 and its other end is provided with installation through hole 142, be provided with circular orientation flange 143 on the hole wall of connecting through hole 141, the tail end of drop bar 7 is provided with relief groove 72, circular orientation flange 143 inlay cards are in relief groove 72, magnetic patch 8 is fixedly mounted on to be installed in the through hole 142, install in the through hole 142 and be provided with iron plate 29, the inner side end of magnetic patch 8 is close to and is covered to iron plate 29, magnetic patch 8 and the gap-fill of installing between the through hole 142 have binding agent 30, are provided with detent 144, detent 144 interior filling adhesives 30 on the hole wall of installation through hole 142.
In this specific embodiment, as shown in Figure 3, iron block 9 is fixedly connected with setting nut 4, and the tail end of setting nut 4 is fixedly connected with shell knob 31 by trip bolt 41.
In this specific embodiment, as shown in Figure 3, gas path switching device 10 comprises the trigger guide rod 101 that can move back and forth and the gas circuit spool 102 with through hole that can move back and forth in rifle shell 1 in rifle shell 1, the front end end of this through hole is taper type, the front end of trigger guide rod 101 and trigger 3 offset, gas circuit spool 102 is positioned at the rear of trigger guide rod 101 and the taper type through hole of gas circuit spool 102 front ends and the tapered end of trigger guide rod 101 rear ends and matches, the rear end of gas circuit spool 102 is positioned at air inlet port 19, in the rifle shell 1 and between trigger guide rod 101 and gas circuit spool 102, be provided with the 3rd sealed chamber 32, the 3rd sealed chamber 32 is communicated with the first sealed chamber 15 by the first vent line 17, be provided with sealing-gap 33 between the internal surface of the outside surface of gas circuit spool 102 and rifle shell 1, sealing-gap 33 is communicated with the second sealed chamber 16 by the second vent line 18, the periphery wall of the tail end of gas circuit spool 102 is provided with on the tail end of movable sealing the second vent line 18 and the tightness system 34(gas circuit spool 102 of air inlet port 19 and is provided with annular recesses, sealing device 34 is for being arranged on the O RunddichtringO in the annular recesses), the tail end of this gas circuit spool 102 has and is T-shaped longitudinal section and is arranged with return spring 35, one end of this return spring 35 is connected on the step of tail end of gas circuit spool 102, the entrance end of the air inlet port 19 of its other end butt, the length under these return spring 34 standard states is greater than the maximum spacing sum between the entrance end of the step of the maximum spacing between trigger guide rod 101 and the gas circuit spool 102 and gas circuit spool 102 tail ends and air inlet port 19.
In this specific embodiment, as depicted in figs. 1 and 2, be provided with the first outlet passageway 36 and the second outlet passageway 37 in the housing of handguard 2, the 3rd sealed chamber 32 is connected with the first outlet passageway 36, sealing-gap 33 is connected with the second outlet passageway 37, and the air outlet of the air outlet of the first outlet passageway 36 and the second outlet passageway 37 is respectively arranged with metal screen 38.
In this specific embodiment, as shown in Figure 3, the front end end of trigger guide rod 101 is circular arc, the internal surface of the outside surface of piston rod 7 and rifle shell 1 is provided with on the 4th 39(of the sealed chamber piston rod 7 and is provided with the annular recesses that is separated with certain distance between two, be provided with O RunddichtringO and Tetrafluoro spacer in the annular recesses, the space that the outside surface of rifle shell 1 inner piston rod 7 and the internal surface of rifle shell 1 are in section between two annular recessess forms the 4th sealed chamber 39, Tetrafluoro spacer mainly plays shock absorption), the 4th sealed chamber 39 is provided with the production well 40 with exterior.
Working process is as follows:
External air source is connected with particle gun by gas fittings 18, pass into extraneous gas, under the squeezing action of return spring 35, gas circuit spool 102 moves forward, tightness system 34 sealings the second vent line 17 and air inlet port 19, gas enters the 3rd sealed chamber 32, then enter the first sealed chamber 15 by the first vent line 17, when gas accumulates to certain pressure, under the effect of air pressure, magnetic patch 8 and iron block 9 adhesives, particle gun is in arm-to-arm, trigger 3 is pulled backward, and the tightness system 34 on the gas circuit spool 102 breaks away from robs shell 1 internal surface, and sealing-gap 33 communicates with air inlet port 19, gas enters sealing-gap 33, then enter the second sealed chamber 16 by the second vent line 18, when gas accumulates to certain pressure, under the effect of air pressure, magnetic patch 8 separates with iron block 9, further promote drop bar 7 ramming piston bars 6, piston rod 6 penetrates the extruding of the liquid medicine in the liquid medicine accommodating chamber 11, namely finishes emission process.
Claims (9)
1. particle gun, comprise the rifle shell, handguard, trigger and setting nut, it is characterized in that: the front end of described rifle shell is provided with the shower nozzle with several spray orifices, the inner chamber of described rifle shell is disposed with the piston rod that can move around in the rifle shell, drop bar and the magnetic driving mechanism that moves for the driving drop bar, described magnetic driving mechanism comprises magnetic patch, iron block and be used for makes magnetic patch and iron block be separated from each other gas path switching device with adhesive, between described shower nozzle and described piston rod, be provided with the liquid medicine accommodating chamber in the described rifle shell, be provided with the liquid medicine injection member that communicates with described liquid medicine accommodating chamber on the described rifle shell, the tail end of described piston rod and the front end of described drop bar are flexibly connected by the plastelast web member, the tail end of described drop bar is fixedly connected with by the copper billet web member with described magnetic patch, be provided with the first sealed chamber between the internal surface of described rifle shell and the periphery wall of described drop bar, between described magnetic patch and described iron block, be provided with the second sealed chamber in the described rifle shell, described the first sealed chamber is communicated with described gas path switching device by the first vent line, described the second sealed chamber is communicated with described gas path switching device by the second vent line, the air inlet port of described gas path switching device is connected with outside gas circuit, described gas path switching device comprises the trigger guide rod that can move back and forth and the gas circuit spool that can move back and forth in the rifle shell in the rifle shell, the front end of described trigger guide rod and described trigger offset, described gas circuit spool is positioned at the rear of described trigger guide rod and the taper type through hole of gas circuit spool front end and the tapered end of trigger guide rod rear end and matches, the rear end of described gas circuit spool is positioned at described air inlet port, described rifle shell is interior and be provided with the 3rd sealed chamber between described trigger guide rod and described gas circuit spool, described the 3rd sealed chamber is communicated with described the first sealed chamber by described the first vent line, be provided with sealing-gap between the internal surface of the outside surface of described gas circuit spool and described rifle shell, described sealing-gap is communicated with described the second sealed chamber by described the second vent line, the periphery wall of the tail end of described gas circuit spool is provided with the tightness system of described the second vent line of movable sealing and described air inlet port, the tail end of described gas circuit spool has and is T-shaped longitudinal section and is arranged with return spring, one end of described return spring is connected on the step of tail end of described gas circuit spool, its the other end is connected to the entrance end of described air inlet port, and the length under the described return spring standard state is greater than the maximum spacing sum between the entrance end of the step of the maximum spacing between trigger guide rod and the gas circuit spool and gas circuit spool tail end and air inlet port.
2. a kind of particle gun according to claim 1, it is characterized in that: described rifle shell comprises rifle head syringe and the body of a gun, described rifle head syringe be connected the body of a gun and connect by the screw thread one, be provided with the syringe set nut for locking rifle head syringe and the body of a gun on the described rifle head syringe.
3. a kind of particle gun according to claim 2, it is characterized in that: be provided with showerhead base in the described rifle head syringe, described liquid medicine accommodating chamber comprises the first liquid medicine accommodating chamber and the second liquid medicine accommodating chamber, described the first liquid medicine accommodating chamber is between described shower nozzle and described showerhead base, described the second liquid medicine accommodating chamber is between described showerhead base and described piston rod, be provided with the first flowing water through hole that communicates with described the first liquid medicine accommodating chamber in the described showerhead base, be vertically arranged with at least one first prosopyle that connects with described the first flowing water through hole on the housing of described showerhead base, the tail end inlay card of described the first flowing water through hole is useful on the rubber piston of the liquid medicine backflow that prevents in described the first flowing water through hole, be coated with the injection liquid catch on the outer face of described rubber piston, be provided with several breach on the described injection liquid catch, the diameter of described the first flowing water through hole is less than the diameter of described rubber piston, the diameter of described rubber piston is less than the diameter of described injection liquid catch, described injection liquid catch be connected on the end face of installation through hole of described showerhead base and with the front end movable contact of described piston rod, described liquid medicine injection member comprises the syringe fixed head, nonreturn valve core and the second flowing water through hole, described nonreturn valve core is arranged on the below of described syringe fixed head, the upper end of described nonreturn valve core is the spherical sealed end socket, its inside is provided with the chamber that communicates with described the second flowing water through hole, be provided with at least one second prosopyle that communicates with described chamber on the perisporium of described nonreturn valve core, described the second flowing water through hole is connected with described the second liquid medicine accommodating chamber and communicates with described the first liquid medicine accommodating chamber by the breach that arranges on the described injection liquid catch, described nonreturn valve core has the longitudinal section that is T-shaped, its tail is arranged with spring, and the front end of described spring is connected on the step of described nonreturn valve core head.
4. a kind of particle gun according to claim 1, it is characterized in that: described plastelast web member is plastic barrel, the end that described plastic barrel is connected with the tail end of described piston rod is provided with at least three triangular cuts, the internal surface of the plastic barrel between each described triangular cut is provided with boss, the tail end of described piston rod has the longitudinal section that is T-shaped, the rear end kink of described boss is connected on the step of tail end of described piston rod, described plastic barrel is provided with annular lip with the internal surface of the end that the front end of described drop bar is connected, the periphery of the front end of described drop bar is provided with annular recesses, described annular lip inlay card is in described annular recesses, and the surface of described boss has the triangle projection.
5. a kind of particle gun according to claim 1, it is characterized in that: an end of described copper billet web member is provided with connecting through hole and its other end is provided with the installation through hole, be provided with the circular orientation flange on the hole wall of described connecting through hole, the tail end of described drop bar is provided with relief groove, described circular orientation flange inlay card is in described relief groove, described magnetic patch is fixedly mounted in the described installation through hole, be provided with iron plate in the described installation through hole, the inner side end of described magnetic patch is close to and is covered to described iron plate, gap-fill between described magnetic patch and the described installation through hole has binding agent, be provided with detent on the hole wall of described installation through hole, fill described binding agent in the described detent.
6. a kind of particle gun according to claim 1, it is characterized in that: described iron block is fixedly connected with described setting nut, and the tail end of described setting nut is fixedly connected with the shell knob.
7. a kind of particle gun according to claim 1, it is characterized in that: be provided with the first outlet passageway and the second outlet passageway in the housing of described handguard, described the 3rd sealed chamber is connected with described the first outlet passageway, described sealing-gap is connected with described the second outlet passageway, and the air outlet of the air outlet of described the first outlet passageway and described the second outlet passageway is respectively arranged with metal screen.
8. a kind of particle gun according to claim 1, it is characterized in that: the front end end of described trigger guide rod is circular arc.
9. a kind of particle gun according to claim 1, it is characterized in that: the internal surface of the outside surface of described piston rod and described rifle shell is provided with the 4th sealed chamber, and described the 4th sealed chamber is provided with the production well with exterior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110203190 CN102250757B (en) | 2011-07-20 | 2011-07-20 | Gene gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110203190 CN102250757B (en) | 2011-07-20 | 2011-07-20 | Gene gun |
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| CN102250757A CN102250757A (en) | 2011-11-23 |
| CN102250757B true CN102250757B (en) | 2013-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110203190 Active CN102250757B (en) | 2011-07-20 | 2011-07-20 | Gene gun |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105936876B (en) * | 2016-07-08 | 2018-08-17 | 魔水科技（北京）有限公司 | Water mist vector gene rifle |
| CN114225059B (en) * | 2021-12-31 | 2023-09-22 | 老肯医疗科技股份有限公司 | Double-cabin pulsation vacuum pressure steam sterilizer and sterilization method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1052695A (en) * | 1989-12-22 | 1991-07-03 | 中国科学院生物物理研究所 | A kind of method of metastatic gene and the particle gun of metastatic gene thereof |
| CN1305007A (en) * | 2001-02-27 | 2001-07-25 | 周芳 | Pistal-type gas gene gun |
| CN1896217A (en) * | 2006-06-02 | 2007-01-17 | 周芳 | Liquid gene gun |
| CN201372279Y (en) * | 2009-03-05 | 2009-12-30 | 宁波新芝生物科技股份有限公司 | Gene gun system |
| CN201593045U (en) * | 2010-01-19 | 2010-09-29 | 沈阳农业大学 | Simple gas gene gun |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK0690732T3 (en) * | 1994-01-21 | 2003-05-19 | Powderject Vaccines Inc | Gas-powered re-entry instrument |
-
2011
- 2011-07-20 CN CN 201110203190 patent/CN102250757B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1052695A (en) * | 1989-12-22 | 1991-07-03 | 中国科学院生物物理研究所 | A kind of method of metastatic gene and the particle gun of metastatic gene thereof |
| CN1305007A (en) * | 2001-02-27 | 2001-07-25 | 周芳 | Pistal-type gas gene gun |
| CN1896217A (en) * | 2006-06-02 | 2007-01-17 | 周芳 | Liquid gene gun |
| CN201372279Y (en) * | 2009-03-05 | 2009-12-30 | 宁波新芝生物科技股份有限公司 | Gene gun system |
| CN201593045U (en) * | 2010-01-19 | 2010-09-29 | 沈阳农业大学 | Simple gas gene gun |
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| CN102250757A (en) | 2011-11-23 |
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