CN109701119A - A kind of electric drive needleless injector - Google Patents
A kind of electric drive needleless injector Download PDFInfo
- Publication number
- CN109701119A CN109701119A CN201910080907.6A CN201910080907A CN109701119A CN 109701119 A CN109701119 A CN 109701119A CN 201910080907 A CN201910080907 A CN 201910080907A CN 109701119 A CN109701119 A CN 109701119A
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- power
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- percussion
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Abstract
The invention discloses a kind of electric drive needleless injectors, including Power Component, transmission component, storage power percussion component and medicament pick-up component；Driving motor is by driving gear to the driven gear engagement transmission power of transmission component in Power Component, and the spring that storage power percussion component is delivered power to by converting screw rod carries out storage power, the firing button and push plate for storing power percussion component cooperate, and the medicament in ampoule is got in the cooperation of the push rod of push plate and medicament pick-up component.The present invention provides power using battery driven motor, and power supply and mechanical structure are reliable and stable, integrated design, more convenient carrying, use.
Description
Technical field
The invention belongs to technical field of medical equipment, and in particular to a kind of electric drive needleless injector.
Background technique
The usually used syringe for disposably having needle of the injection of insulin medicament carries out, and easily exists and occurs various and have needle note
The problem of penetrating and causing, if any needle injection bring fear needle sense, feeling of pain, tissue damage, cross-infection, syringe needle surprisingly stab and
Syringe needle fracture etc., can injection health to user and happiness can bring injury, and with significant negative economic effects.
The development of technology at present, no needle-like syringe, which has been developed that, to be come, it is possible to prevente effectively from there is needle to inject bring kind
Kind problem.In general, this needleless injector exerts oneself to load power by personal both hands, to drive penetration by liquid skin to enter people
In vivo, this load power is inconvenient to use, using can be a by certain limitation when product appearance is smooth and human hand inability
People's use is more troublesome.
Summary of the invention
The present invention is to solve existing needleless injector exerts oneself to load power using personal both hands, limited skill is used
Art problem, so that a kind of use convenient motor driven load power is provided, the reliable and stable integrated design of mechanical structure, more
Electric drive needleless injector that is convenient to use and carrying.
In order to solve the above technical problems, the technical solution adopted in the present invention is as follows:
A kind of electric drive needleless injector, including Power Component, transmission component, storage power percussion component and medicament pick-up component；It is dynamic
Driving motor transmits power to the driven gear engagement of transmission component by driving gear in power component, and will by conversion screw rod
Power transmission carries out storage power to the spring for storing power percussion component, and the firing button and push plate for storing power percussion component cooperate, and push plate
Cooperate with the push rod of medicament pick-up component and gets the medicament in ampoule.
The Power Component, including power shell, power shell are fixedly mounted in the transmission housing of transmission component；Dynamic
Driving motor, power supply, driving gear and power switch are installed in power shell, power switch press-side exposes power shell, and
Power supply is powered by power switch to driving motor, and the output shaft of driving motor is connect with driving gear, driving gear and transmission
The driven gear of component engages.
The transmission component, including transmission housing are provided with transmission in transmission housing position corresponding with power shell
Mounting groove is equipped with driven gear, drive screw I, transmission gear I, drive screw II, transmission gear in transmission mounting groove
II, driven gear is mounted on one end of drive screw I and drive screw I is driven to rotate, and drive screw I is mounted on by bearing block
Transmission housing side wall, and the other end of drive screw I is equipped with transmission gear I, transmission gear I is engaged with transmission gear II, is passed
Moving gear II is mounted on one end of drive screw II, and the other end of drive screw II protrudes into limit hole, converts one end of screw rod
It is set on drive screw II and is threadedly coupled with drive screw II, convert the other end of screw rod and store the spring of power percussion component
One end of limit fastener is fixedly connected.
The storage power fires component, including percussion shell, and percussion shell is threadedly coupled with power shell；In percussion shell
It is provided with and stores power chamber and release chamber, power is intracavitary to be equipped with spring retainer buckle, spring and push plate storing, and spring is fixed on spring limit
Between position buckle and push plate, elastic clamping block is provided on push plate outer wall；It is located at release chamber in percussion shell and is provided with limit
Hole and the track groove slided for elastic clamping block, elastic clamping block are located in track groove and contact with the firing button in limit hole；And
The push rod that push plate is located at one end and medicament pick-up component in track groove connects.
The medicament pick-up component, including push rod, piston and ampoule, ampoule are threadedly coupled with percussion shell, piston sliding
It is mounted in ampoule, one end of push rod is protruded into ampoule and connect with piston, and the other end of push rod protrudes into percussion shell and push plate
It connects.
The present invention is with battery driven motor linkage drive screw and then compressed spring provides power, and the spring compressed is by bullet
Spring limit fastener and push plate are fixed, push plate linkage firing button.Injection dosage medical fluid needed for independent ampoule is drawn, then other than spiral shell
Line structure is connected with percussion part shell, gos deep into the pusher structure of rubber plug and push plate in ampoule and connects.Spring holding is pressed
The state of contracting, when an injection is needed, firing button is pressed in promotion makes its no longer limited spring limit push plate, in the restoring force of spring
Limit spring push plate is pushed to discharge power with the fixed function lower moment of spring retainer buckle, push plate can only move down, in turn
Push rod is driven to move down, piston enters the medical fluid fast injection in ampoule in skin under the action of push rod, completes primary note
It penetrates.The present invention provides power using battery driven motor, and power supply and mechanical structure are reliable and stable, and integrated design is more convenient
It carries, use.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the partial enlarged view of a-quadrant in Fig. 1.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under that premise of not paying creative labor
Embodiment shall fall within the protection scope of the present invention.
As shown in Figs. 1-2, a kind of electric drive needleless injector, including Power Component 1, transmission component 2, storage power fire component
3 and medicament pick-up component 4；Driving motor 1-2 is by driving gear 1-4 to the driven gear 2- of transmission component 2 in Power Component 1
2 engagement transmission power, and storage power is carried out by the spring 3-3 that conversion screw rod 2-8 delivers power to storage power percussion component 3, it stores
Power fires firing button 3-7 and push plate the 3-4 cooperation of component 3, and the push rod 4-1 of push plate 3-4 and medicament pick-up component 4 cooperation will
Medicament in ampoule 4-3 is got.
Specifically, the Power Component 1, including power shell 1-1, power shell 1-1 are fixedly mounted on transmission component 2
On transmission housing 2-1；Driving motor 1-2, power supply 1-3, driving gear 1-4 and power switch are installed in power shell 1-1
1-5, power switch 1-5 press-side exposes power shell 1-1, and power supply 1-3 is supplied by power switch 1-5 to driving motor 1-2
The output shaft of electricity, driving motor 1-2 is connect with driving gear 1-4, and driving gear 1-4 and the driven gear 2-2 of transmission component 2 are nibbled
It closes.
The transmission component 2, including transmission housing 2-1, in the position corresponding with power shell 1-1 transmission housing 2-1
It is provided with transmission mounting groove 2-1-1, driven gear 2-2, I 2-3 of drive screw, transmission are installed in transmission mounting groove 2-1-1
I 2-4 of gear, II 2-5 of drive screw, transmission gear II 2-6, driven gear 2-2 are mounted on one end of I 2-3 of drive screw and band
Dynamic I 2-3 of drive screw rotation, I 2-3 of drive screw are mounted on transmission housing 2-1 side wall, and I 2-3 of drive screw by bearing block
The other end I 2-4 of transmission gear is installed, I 2-4 of transmission gear is engaged with II 2-6 of transmission gear, II 2-6 of transmission gear installation
In one end of II 2-5 of drive screw, the other end of II 2-5 of drive screw is protruded into limit hole 2-7, converts one end of screw rod 2-8
It is set on II 2-5 of drive screw and is threadedly coupled with II 2-5 of drive screw, convert the other end of screw rod 2-8 and store power percussion
One end of the spring retainer buckle 3-2 of component 3 is fixedly connected.
The storage power fires component 3, including percussion shell 3-1, and percussion shell 3-1 is threadedly coupled with power shell 2-1；?
It is provided in percussion shell 3-1 and stores power chamber 3-1-1 and release chamber 3-1-2, storing spring retainer buckle is installed in power chamber 3-1-1
3-2, spring 3-3 and push plate 3-4, spring 3-3 is fixed between spring retainer buckle 3-2 and push plate 3-4, in push plate 3-4 outer wall
On be provided with elastic clamping block 3-5；It is located at release chamber 3-1-2 in percussion shell 3-1 and is provided with limit hole 3-6 and for elastic clamping block
The track groove 3-8 of 3-5 sliding, elastic clamping block 3-5 are located in track groove 3-8 and connect with the firing button 3-7 in limit hole 3-6
Touching；And push plate 3-4 is located at the push rod 4-1 contact connectio of one end and medicament pick-up component 4 in track groove 3-8.
The medicament pick-up component 4, including push rod 4-1, piston 4-2 and ampoule 4-3, ampoule 4-3 and percussion shell 3-1 spiral shell
Line connection, piston 4-2 are slidably mounted in ampoule 4-3, and one end of push rod 4-1 is protruded into ampoule 4-3 and connect with piston 4-2, are pushed away
The other end of bar 4-1 is protruded into percussion shell 3-1 and is connected with push plate 3-4.
The present invention is with battery driven motor linkage drive screw and then compressed spring provides power, and the spring compressed is by bullet
Spring limit fastener and push plate are fixed, push plate linkage firing button.Injection dosage medical fluid needed for independent ampoule is drawn, then other than spiral shell
Line structure is connected with percussion part shell, gos deep into the pusher structure of rubber plug and push plate in ampoule and connects.Spring holding is pressed
The state of contracting, when an injection is needed, firing button is pressed in promotion makes it no longer limit push plate, limits in the restoring force and spring of spring
The fixed function lower moment of position buckle pushes push plate to discharge power, and push plate can only move down, and then push rod is driven to move down,
Piston enters the medical fluid fast injection in ampoule in skin under the action of push rod, completes one injection.The present invention uses battery
Driving motor supplies power, power supply and mechanical structure are reliable and stable, integrated design, more convenient carrying, use.
Described above is only presently preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of electric drive needleless injector, it is characterised in that: including Power Component (1), transmission component (2), store power percussion group
Part (3) and medicament pick-up component (4)；Power Component (1) interior driving motor (1-2) gives transmission component by driving gear (1-4)
(2) driven gear (2-2) engagement transmission power, and power percussion component (3) is stored by converting screw rod (2-8) and delivering power to
Spring (3-3) carry out storage power, the firing button (3-7) and push plate (3-4) for storing power percussion component (3) cooperate, and push plate (3-4)
Cooperate with the push rod (4-1) of medicament pick-up component (4) and gets the medicament in ampoule (4-3).
2. electric drive needleless injector according to claim 1, it is characterised in that: the Power Component (1), including power
Shell (1-1), power shell (1-1) are fixedly mounted in the transmission housing (2-1) of transmission component (2)；At power shell (1-1)
Driving motor (1-2), power supply (1-3), driving gear (1-4) and power switch (1-5) are inside installed, power switch (1-5) is pressed
Pressure side exposes power shell (1-1), and power supply (1-3) is powered by power switch (1-5) to driving motor (1-2), driving electricity
The output shaft of machine (1-2) is connect with driving gear (1-4), the driven gear (2-2) of driving gear (1-4) and transmission component (2)
Engagement.
3. electric drive needleless injector according to claim 1 or 2, it is characterised in that: the transmission component (2), including
Transmission housing (2-1) is provided with transmission mounting groove (2-1- in transmission housing (2-1) position corresponding with power shell (1-1)
1) driven gear (2-2), is installed in transmission mounting groove (2-1-1), drive screw I (2-3), transmission gear I (2-4), is passed
Dynamic screw rod II (2-5), transmission gear II (2-6), driven gear (2-2) are mounted on one end of drive screw I (2-3) and drive biography
Dynamic screw rod I (2-3) rotation, drive screw I (2-3) are mounted on transmission housing (2-1) side wall, and drive screw I by bearing block
The other end of (2-3) is equipped with transmission gear I (2-4), and transmission gear I (2-4) is engaged with transmission gear II (2-6), driving cog
II (2-6) of wheel is mounted on one end of drive screw II (2-5), and the other end of drive screw II (2-5) protrudes into limit hole (2-7)
Interior, one end of conversion screw rod (2-8) is set on drive screw II (2-5) and is threadedly coupled with drive screw II (2-5), converts
The other end of screw rod (2-8) is fixedly connected with the one end for the spring retainer buckle (3-2) for storing power percussion component (3).
4. electric drive needleless injector according to claim 3, it is characterised in that: the storage power fires component (3), including
It fires shell (3-1), percussion shell (3-1) is threadedly coupled with power shell (2-1)；Storage is provided in percussion shell (3-1)
Power chamber (3-1-1) and release chamber (3-1-2) are equipped with spring retainer buckle (3-2), spring (3-3) storing in power chamber (3-1-1)
With push plate (3-4), spring (3-3) is fixed between spring retainer buckle (3-2) and push plate (3-4), on push plate (3-4) outer wall
It is provided with elastic clamping block (3-5)；It is located at release chamber (3-1-2) in percussion shell (3-1) and is provided with limit hole (3-6) and ammunition feed
Property fixture block (3-5) track groove (3-8) for sliding, elastic clamping block (3-5) is located in track groove (3-8) and interior with limit hole (3-6)
Firing button (3-7) contact；And push plate (3-4) is located at the push rod of one end and medicament pick-up component (4) in track groove (3-8)
(4-1) is connected.
5. electric drive needleless injector according to claim 4, it is characterised in that: the medicament pick-up component (4), including
Push rod (4-1), piston (4-2) and ampoule (4-3), ampoule (4-3) are threadedly coupled with percussion shell (3-1), piston (4-2) sliding
Be mounted in ampoule (4-3), one end of push rod (4-1) is protruded into ampoule (4-3) and is connect with piston (4-2), push rod (4-1) it is another
One end is protruded into percussion shell (3-1) and is connected with push plate (3-4).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018203983380 | 2018-03-23 | ||
| CN201820398338 | 2018-03-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109701119A true CN109701119A (en) | 2019-05-03 |
Family
ID=66262003
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920143777.1U Active CN209751837U (en) | 2018-03-23 | 2019-01-28 | Electrically driven needleless injector |
| CN201910080907.6A Pending CN109701119A (en) | 2018-03-23 | 2019-01-28 | A kind of electric drive needleless injector |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920143777.1U Active CN209751837U (en) | 2018-03-23 | 2019-01-28 | Electrically driven needleless injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN209751837U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117323508A (en) * | 2023-11-15 | 2024-01-02 | 安徽宏宇五洲医疗器械股份有限公司 | Intelligent automatic loading high-pressure needleless injector |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209751837U (en) * | 2018-03-23 | 2019-12-10 | 河南祯祺生物科技有限公司 | Electrically driven needleless injector |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5505697A (en) * | 1994-01-14 | 1996-04-09 | Mckinnon, Jr.; Charles N. | Electrically powered jet injector |
| CN201235121Y (en) * | 2008-04-09 | 2009-05-13 | 翁天祥 | Hypospray |
| CN103816587A (en) * | 2014-02-28 | 2014-05-28 | 华南理工大学 | Electric needle-free injection propulsion plant |
| CN204699170U (en) * | 2015-04-22 | 2015-10-14 | 江西科技学院 | A kind of needleless injector |
| CN106139326A (en) * | 2016-07-30 | 2016-11-23 | 山东中保康医疗器具有限公司 | needleless injection system |
| US20170368261A1 (en) * | 2014-08-27 | 2017-12-28 | Beijing Qs Medical Technology Co., Ltd. | Electrically powered needleless injector |
| CN209751837U (en) * | 2018-03-23 | 2019-12-10 | 河南祯祺生物科技有限公司 | Electrically driven needleless injector |
-
2019
- 2019-01-28 CN CN201920143777.1U patent/CN209751837U/en active Active
- 2019-01-28 CN CN201910080907.6A patent/CN109701119A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5505697A (en) * | 1994-01-14 | 1996-04-09 | Mckinnon, Jr.; Charles N. | Electrically powered jet injector |
| CN201235121Y (en) * | 2008-04-09 | 2009-05-13 | 翁天祥 | Hypospray |
| CN103816587A (en) * | 2014-02-28 | 2014-05-28 | 华南理工大学 | Electric needle-free injection propulsion plant |
| US20170368261A1 (en) * | 2014-08-27 | 2017-12-28 | Beijing Qs Medical Technology Co., Ltd. | Electrically powered needleless injector |
| CN204699170U (en) * | 2015-04-22 | 2015-10-14 | 江西科技学院 | A kind of needleless injector |
| CN106139326A (en) * | 2016-07-30 | 2016-11-23 | 山东中保康医疗器具有限公司 | needleless injection system |
| CN209751837U (en) * | 2018-03-23 | 2019-12-10 | 河南祯祺生物科技有限公司 | Electrically driven needleless injector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117323508A (en) * | 2023-11-15 | 2024-01-02 | 安徽宏宇五洲医疗器械股份有限公司 | Intelligent automatic loading high-pressure needleless injector |
| CN117323508B (en) * | 2023-11-15 | 2024-05-07 | 安徽宏宇五洲医疗器械股份有限公司 | Intelligent automatic loading high-pressure needleless injector |
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| Publication number | Publication date |
|---|---|
| CN209751837U (en) | 2019-12-10 |
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