CN204446828U - A kind of ampere power-actuated rail mounted electromagnetism needleless injector - Google Patents
A kind of ampere power-actuated rail mounted electromagnetism needleless injector Download PDFInfo
- Publication number
- CN204446828U CN204446828U CN201520049112.6U CN201520049112U CN204446828U CN 204446828 U CN204446828 U CN 204446828U CN 201520049112 U CN201520049112 U CN 201520049112U CN 204446828 U CN204446828 U CN 204446828U
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- Prior art keywords
- needleless injector
- iron core
- cylinder barrel
- needleless
- rail mounted
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Abstract
The utility model discloses a kind of ampere power-actuated rail mounted electromagnetism needleless injector, wherein form uniform magnetic field by arranging permanent magnet in cylinder barrel, and the metal guide rail providing iron core slide-and-guide is set in cylinder barrel, again by adopting electric energy storage equipment to carry out electric accumulation of energy, it can be made after accumulation of energy to be connected with iron core and metal guide rail and to discharge, thus make iron core be subject to Ampere force and with larger acceleration forward slip in cylinder barrel, until iron core clashes into the piston rod of needleless ampoule assemblies and the medicinal liquid extruded in ampoule bottle realizes Needleless injection.In this needleless injector, the initial acceleration of iron core is larger, can shorten idle stroke widely, the overall volume of needleless injector is significantly reduced, and meanwhile, what adopt in this needleless injector is unidirectional current, can use safety voltage, use safer convenience, can promote the use of widely.
Description
Technical field
this utility model relates to a kind of ampere power-actuated rail mounted electromagnetism needleless injector.
Background technology
needleless injection techniques is not by syringe needle when carrying out drug injection, liquid medicine with ultra-fine, at a high speed, straight line ejection high-pressure spray the direct ingress engine soma of mode, solve the series of problems that conventional injection brings because syringe needle thrusts body, as: pain, hemorrhage, infection, tissue injury, mental pressure etc.; Meanwhile, through the medicine of Needleless injection in in-house distribution more disperse, be conducive to the absorption of medicine, long-time injection skin not easily plays scleroma.Therefore, needleless injection techniques has broad application prospects, and is particularly useful for local organization anesthesia, child vaccine-inoculating and diabetics.
in prior art, the structure of what needleless injector adopted mostly is electromagnetic drive type, it mainly contains two kinds, a kind of is that the thrust that utilizes electromagnet core to produce and kinetic energy drive, as the patent No. be ZL 200910153212.2, patent name structure disclosed in " the power-actuated continuous needleless injection system of electromagnetism " Chinese patent literature, or the thrust utilizing permanent magnet power-assisted and electric magnet to produce and kinetic energy drive, as the patent No. be ZL201220354008.4, patent name structure disclosed in the Chinese patent literature of " a kind of needleless injector "; Another kind is then utilize high-pressure gas pressure or spring force to drive, as the patent No. be ZL201120557516.8, patent name is structure in " a kind of needleless injector " Chinese patent literature.
in above-mentioned two kinds of type of drive, front a kind of type of drive is less due to initial acceleration, therefore needs the idle stroke that a section longer; Then for driving, a kind of type of drive then requires that sealing is higher, Mechanical Driven and the drive of high-pressure gas needleless injector product driving force controllability of maturation are more weak, the causes such as easy formation fatigue damage, its cost is relatively large, and the volume of syringe is also tending towards huge.
Summary of the invention
the purpose of this utility model is to provide simple and little, the lightweight ampere of the volume power-actuated rail mounted electromagnetism needleless injector of a kind of structure.
for achieving the above object, the technical solution adopted in the utility model is:
a kind of ampere power-actuated rail mounted electromagnetism needleless injector, this needleless injector comprises the cylinder barrel with hollow cavity, be fixedly arranged on the drive end bearing bracket of described cylinder barrel front end, be fixedly arranged on the rear end cap of described cylinder barrel rear end, be located at the ferrum core in described cylinder barrel along the longitudinal direction slidably, be fixedly arranged on two metal guide rail and two permanent magnets that extend along the longitudinal direction in described cylinder barrel, the sliding channel of guiding when being formed for providing described iron core to slide along the longitudinal direction between two described metal guide rail, described iron core is located in described sliding channel slidably, the assembly formed between described iron core and two described metal guide rail is between two described permanent magnets, described needleless injector also comprises electric energy storage equipment, described electric energy storage equipment is connected with described assembly circuitry phase and arranges, described drive end bearing bracket is provided with needleless ampoule assemblies, described needleless ampoule assemblies at least comprises the piston rod that can slide along the longitudinal direction, described needleless injector has energy accumulating state and inject state, when described needleless injector is in energy accumulating state, described iron core is positioned at the rear portion of described cylinder barrel, described electric energy storage equipment charging accumulation of energy, when described needleless injector is in inject state, described electric energy storage equipment electric discharge, described iron core impacts forward and drives described piston rod to move forward, and described cylinder barrel is also provided with for controlling described electric energy storage equipment charge and discharge state with the control device switched energy accumulating state and the inject state of described needleless injector.
preferably, the rear end of described cylinder barrel is also provided with electric magnet, DC source for powering to described electric magnet, and when described needleless injector is in energy accumulating state, described electric magnet energising, described iron core is adsorbed on described electric magnet.
preferably, described electric energy storage equipment comprises multistage capacitance group, is the DC source that described multistage capacitance group is powered, and described multistage capacitance group comprises multiple electric capacity of setting parallel with one another.
further, described control device is shift switch, and described shift switch has two gears, and when it is in the first gear, described DC source is described multistage capacitance group charging; When it is in the second gear, described DC source and described multistage capacitance group disconnect, described multistage capacitance group electric discharge.
preferably, described iron core is provided with projection towards the end of described metal guide rail, described metal guide rail offers the chute extended along the longitudinal direction, described protruding corresponding matching and can be plugged in described chute relative sliding.
preferably, described iron core and described piston rod coaxial inner conductor are arranged.
preferably, the both sides of described iron core are located at symmetrically by two described permanent magnets in described cylinder barrel.
preferably, when described needleless injector is in energy accumulating state, between the front end of described iron core and the rear end of described piston rod, there is spacing.
due to the utilization of technique scheme, this utility model compared with prior art has following advantages: this ampere power-actuated rail mounted electromagnetism needleless injector, wherein form uniform magnetic field by arranging permanent magnet in cylinder barrel, and the metal guide rail providing iron core slide-and-guide is set in cylinder barrel, again by adopting electric energy storage equipment to carry out electric accumulation of energy, it can be made after accumulation of energy to be connected with iron core and metal guide rail and to discharge, thus make iron core be subject to Ampere force and with larger acceleration forward slip in cylinder barrel, until iron core clashes into the piston rod of needleless ampoule assemblies and the medicinal liquid extruded in ampoule bottle realizes Needleless injection.In this needleless injector, the initial acceleration of iron core is larger, can shorten idle stroke widely, the overall volume of needleless injector is significantly reduced, and meanwhile, what adopt in this needleless injector is unidirectional current, can use safety voltage, use safer convenience, can promote the use of widely.
Accompanying drawing explanation
accompanying drawing 1 is the STRUCTURE DECOMPOSITION schematic diagram of needleless injector of the present utility model;
accompanying drawing 2 is that the master of needleless injector of the present utility model looks sectional structure schematic diagram;
accompanying drawing 3 is the front view of needleless injector of the present utility model;
accompanying drawing 4 is along A-A in accompanying drawing 3 to sectional structure enlarged diagram;
accompanying drawing 5 is along B-B in accompanying drawing 3 to sectional structure enlarged diagram;
accompanying drawing 6 is the operation principle circuit diagram of needleless injector of the present utility model;
wherein: 1, cylinder barrel; 2, drive end bearing bracket; 3, needleless ampoule assemblies; 31, piston rod; 32, ampoule bottle; 4, rear end cap; 5, ferrum core; 51, protruding; 6, metal guide rail; 61, chute; 7, permanent magnet; 8, electric energy storage equipment; 81, multistage capacitance group; 9, electric magnet; 10, control device (shift switch).
Detailed description of the invention
below in conjunction with accompanying drawing and specific embodiment, the technical solution of the utility model is further elaborated.
below about in the description in direction, be all that the direction observed according to operator during injection operation carries out defining, wherein dispensing end is front, otherwise after being, that is the above-below direction in accompanying drawing 1 to 3, wherein top is front, after below is.
see the power-actuated rail mounted electromagnetism of the ampere shown in Fig. 1 to Fig. 5 needleless injector, this needleless injector comprises the cylinder barrel 1 with hollow cavity, the drive end bearing bracket 2 being fixedly arranged on cylinder barrel 1 front end, the rear end cap 4 being fixedly arranged on cylinder barrel 1 rear end, the needleless ampoule assemblies 3 be removably installed on drive end bearing bracket 2, this needleless ampoule assemblies 3 at least comprises the piston rod 31 that can slide along the longitudinal direction, the ampoule bottle 32 with medicinal liquid cavity, and the rear end of this piston rod 31 is stretched in cylinder barrel 1.The medicinal liquid on ampoule bottle 32 in medicinal liquid cavity can be pushed when piston rod 31 moves forward and realize injection.
this needleless injector also comprises the iron core 5 be located at slidingly back and forth in cylinder body 1, be fixedly arranged on extend along the longitudinal direction in cylinder barrel 1 two metal guide rail 6, be fixedly arranged on two permanent magnets 7 extended along the longitudinal direction in cylinder barrel 1.Two metal guide rail 6 lay respectively at the both sides of iron core 5, the sliding channel of guiding when being formed between two metal guide rail 6 for providing iron core 5 to slide along the longitudinal direction.Shown in Fig. 4, Fig. 5, iron core 5 is provided with protruding 51 towards the end of metal guide rail 6, the metal guide rail 6 of both sides offer respectively chute 61, two projection 51 corresponding matching of extending along the longitudinal direction and can be plugged in the chute 61 of both sides relative sliding.This iron core 5 is arranged with piston rod 31 coaxial inner conductor in cylinder barrel 1.Two permanent magnets 7 lay respectively at the both sides of the assembly that iron core 5 and two metal guide rail 6 form, and for providing uniform magnetic field in cylinder barrel 1, herein, the both sides of iron core 5 and two metal guide rail 6 are located at symmetrically by these two permanent magnets 7.
this needleless injector also comprises electric energy storage equipment 8, and this electric energy storage equipment 8 comprises multistage capacitance group 81 and the DC source for this multistage capacitance group 81 power supply, and multistage capacitance group 81 comprises multiple electric capacity of setting parallel with one another, as shown in Figure 6.Between this electric energy storage equipment 8 with the assembly formed by iron core 5 and two metal guide rail 6, circuit is connected.This electric energy storage equipment 8 has charged state and discharge condition, cylinder barrel 1 is also provided with the control device 10 for controlling electric energy storage equipment 8 duty, herein, as shown in Figure 6, what this control device 10 adopted is a shift switch, and this shift switch has two gears, when it is in the first gear, multistage capacitance group 81 disconnects with the assembly circuit formed by iron core 5 and two metal guide rail 6, and power supply is the multiple capacitor chargings in multistage capacitance group 81; When shift switch is in the second gear, multistage capacitance group 81 and assembly circuit communication, multiple capacitor discharge and assembly is discharged.
shown in Fig. 1, Fig. 2 and Fig. 6, the rear portion of cylinder barrel 1 is also provided with electric magnet 9, DC source for powering for electric magnet 9, when the shift switch of control device 10 is in the first gear, electric magnet 9 and above-mentioned DC source are connected and make electric magnet 9 energizing magnetic, thus form the electromagnetic adsorption to iron core 5.Iron core 5 can be made like this to keep enough spacing when impacting injection initial with the rear end of piston rod 31, and the impact being convenient to iron core 5 is accelerated, and realization better impacts injection effect.
this needleless injector has energy accumulating state and inject state.When this needleless injector is in energy accumulating state, the shift switch of control device 10 is in the first gear, and electric magnet 9 is connected and produced magnetic and iron core 5 adsorbed the rear end being located at cylinder barrel 1; Now, DC source is that multiple electric capacity of multistage capacitance group 81 charge.Treat that multistage capacitance group 81 is full of electricity, needleless injector can be switched to inject state carry out injection operation, now, the shift switch of control device 10 is switched to the second gear, electric magnet 9 power-off and losing magnetism, stops the absorption to iron core 5, makes iron core 5 break away from the constraint of electromagnet 9; Simultaneously, electricity energy storage equipment 8 is switched to discharge condition, now, the assembly formed by iron core 5 and two metal guide rail 6 and multistage capacitance group 81 circuit turn-on, multiple capacitor discharges in multistage capacitance group 81, due to charging accumulation of energy, the large energy that produces instantaneously acts on iron core 5 multistage capacitance group 81, is subject to Ampere force in the uniform magnetic field that iron core 5 is produced by two permanent magnets 7 in cylinder barrel 1, and this Ampere force makes iron core 5 forward slip rapidly in cylinder barrel 1.Along with multistage capacitance group 81 is constantly discharged, the speed goes of iron core 5 forward slip in cylinder barrel 1 is large, until iron core 5 is with the rear end of very large speed impacts piston rod 31, make piston rod 31 push the medicinal liquid in ampoule bottle 32 and realize Needleless injection, injection operation completes.
in this electromagnetism needleless injector, employing be the technology that electric accumulation of energy is pulled the trigger instantaneously, the initial acceleration of iron core 5 can be very large, can shorten idle stroke widely, the overall volume of needleless injector is significantly reduced.Meanwhile, adopt in this needleless injector for unidirectional current, can use safety voltage, use safer convenience.To sum up, its structure of this needleless injector is simple, volume is little, lightweight, and low cost of manufacture, can promote the use of widely.
above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences done according to this utility model spirit change or modify, and all should be encompassed within protection domain of the present utility model.
Claims (8)
1. ampere power-actuated rail mounted electromagnetism needleless injector, it is characterized in that: this needleless injector comprises the cylinder barrel with hollow cavity, be fixedly arranged on the drive end bearing bracket of described cylinder barrel front end, be fixedly arranged on the rear end cap of described cylinder barrel rear end, be located at the ferrum core in described cylinder barrel along the longitudinal direction slidably, be fixedly arranged on two metal guide rail and two permanent magnets that extend along the longitudinal direction in described cylinder barrel, the sliding channel of guiding when being formed for providing described iron core to slide along the longitudinal direction between two described metal guide rail, described iron core is located in described sliding channel slidably, the assembly formed between described iron core and two described metal guide rail is between two described permanent magnets, described needleless injector also comprises electric energy storage equipment, described electric energy storage equipment is connected with described assembly circuitry phase and arranges, described drive end bearing bracket is provided with needleless ampoule assemblies, described needleless ampoule assemblies at least comprises the piston rod that can slide along the longitudinal direction, described needleless injector has energy accumulating state and inject state, when described needleless injector is in energy accumulating state, described iron core is positioned at the rear portion of described cylinder barrel, described electric energy storage equipment charging accumulation of energy, when described needleless injector is in inject state, described electric energy storage equipment electric discharge, described iron core impacts forward and drives described piston rod to move forward, and described cylinder barrel is also provided with for controlling described electric energy storage equipment charge and discharge state with the control device switched energy accumulating state and the inject state of described needleless injector.
2. a kind of ampere according to claim 1 power-actuated rail mounted electromagnetism needleless injector, it is characterized in that: the rear end of described cylinder barrel is also provided with electric magnet, DC source for powering to described electric magnet, when described needleless injector is in energy accumulating state, described electric magnet energising, described iron core is adsorbed on described electric magnet.
3. a kind of ampere according to claim 1 power-actuated rail mounted electromagnetism needleless injector, it is characterized in that: described electric energy storage equipment comprises multistage capacitance group, is the DC source that described multistage capacitance group is powered, and described multistage capacitance group comprises multiple electric capacity of setting parallel with one another.
4. a kind of ampere according to claim 3 power-actuated rail mounted electromagnetism needleless injector, it is characterized in that: described control device is shift switch, described shift switch has two gears, and when it is in the first gear, described DC source is described multistage capacitance group charging; When it is in the second gear, described DC source and described multistage capacitance group disconnect, described multistage capacitance group electric discharge.
5. a kind of ampere according to claim 1 power-actuated rail mounted electromagnetism needleless injector, it is characterized in that: described iron core is provided with projection towards the end of described metal guide rail, described metal guide rail offers the chute extended along the longitudinal direction, described protruding corresponding matching and can be plugged in described chute relative sliding.
6. a kind of ampere according to claim 1 power-actuated rail mounted electromagnetism needleless injector, is characterized in that: described iron core and described piston rod coaxial inner conductor are arranged.
7. a kind of ampere according to claim 1 power-actuated rail mounted electromagnetism needleless injector, is characterized in that: the both sides of described iron core are located at symmetrically by two described permanent magnets in described cylinder barrel.
8. a kind of ampere according to claim 1 power-actuated rail mounted electromagnetism needleless injector, is characterized in that: when described needleless injector is in energy accumulating state, there is spacing between the front end of described iron core and the rear end of described piston rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520049112.6U CN204446828U (en) | 2015-01-23 | 2015-01-23 | A kind of ampere power-actuated rail mounted electromagnetism needleless injector |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520049112.6U CN204446828U (en) | 2015-01-23 | 2015-01-23 | A kind of ampere power-actuated rail mounted electromagnetism needleless injector |
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| CN204446828U true CN204446828U (en) | 2015-07-08 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105944188A (en) * | 2016-05-25 | 2016-09-21 | 张云鹤 | A magnetic motive force booster |
| CN111803763A (en) * | 2020-07-07 | 2020-10-23 | 东莞市普隆电子有限公司 | Capacitance type high-voltage energy-storage medical electromagnetic injector |
| CN112245715A (en) * | 2020-10-19 | 2021-01-22 | 西安工程大学 | Electromagnetic force driven automatic injection device |
| CN113412131A (en) * | 2019-02-07 | 2021-09-17 | 欧莱雅 | Needleless injection device |
| CN114099864A (en) * | 2021-10-20 | 2022-03-01 | 华中农业大学 | Needleless injector capable of automatically adjusting injection pressure |
| CN116492543A (en) * | 2023-04-23 | 2023-07-28 | 卓优医疗(苏州)有限公司 | Needleless injection device for micro-adjustment and adjustment method |
| WO2024007444A1 (en) * | 2022-07-04 | 2024-01-11 | 嘉兴森迈医疗科技有限公司 | Magnetic force-driven injection apparatus |
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2015
- 2015-01-23 CN CN201520049112.6U patent/CN204446828U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105944188A (en) * | 2016-05-25 | 2016-09-21 | 张云鹤 | A magnetic motive force booster |
| CN105944188B (en) * | 2016-05-25 | 2020-03-13 | 张云鹤 | Magnetic power booster |
| CN113412131A (en) * | 2019-02-07 | 2021-09-17 | 欧莱雅 | Needleless injection device |
| CN111803763A (en) * | 2020-07-07 | 2020-10-23 | 东莞市普隆电子有限公司 | Capacitance type high-voltage energy-storage medical electromagnetic injector |
| CN112245715A (en) * | 2020-10-19 | 2021-01-22 | 西安工程大学 | Electromagnetic force driven automatic injection device |
| CN112245715B (en) * | 2020-10-19 | 2022-11-15 | 西安工程大学 | Electromagnetic force driven automatic injection device |
| CN114099864A (en) * | 2021-10-20 | 2022-03-01 | 华中农业大学 | Needleless injector capable of automatically adjusting injection pressure |
| CN114099864B (en) * | 2021-10-20 | 2024-01-30 | 华中农业大学 | Needleless injector capable of automatically adjusting injection pressure |
| WO2024007444A1 (en) * | 2022-07-04 | 2024-01-11 | 嘉兴森迈医疗科技有限公司 | Magnetic force-driven injection apparatus |
| CN116492543A (en) * | 2023-04-23 | 2023-07-28 | 卓优医疗(苏州)有限公司 | Needleless injection device for micro-adjustment and adjustment method |
| CN116492543B (en) * | 2023-04-23 | 2024-06-07 | 卓优医疗(苏州)有限公司 | Needleless injection device for micro-adjustment and adjustment method |
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| 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: 20150708 Termination date: 20180123 |
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| CF01 | Termination of patent right due to non-payment of annual fee |