CN209751837U - Electrically driven needleless injector - Google Patents
Electrically driven needleless injector Download PDFInfo
- Publication number
- CN209751837U CN209751837U CN201920143777.1U CN201920143777U CN209751837U CN 209751837 U CN209751837 U CN 209751837U CN 201920143777 U CN201920143777 U CN 201920143777U CN 209751837 U CN209751837 U CN 209751837U
- Authority
- CN
- China
- Prior art keywords
- transmission
- power
- shell
- assembly
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 86
- 238000010304 firing Methods 0.000 claims abstract description 22
- 239000003814 drug Substances 0.000 claims abstract description 21
- 239000003708 ampul Substances 0.000 claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- 238000009527 percussion Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 4
- 238000002347 injection Methods 0.000 description 8
- 239000007924 injection Substances 0.000 description 8
- 239000007788 liquid Substances 0.000 description 5
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- NOESYZHRGYRDHS-UHFFFAOYSA-N insulin Chemical compound N1C(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(NC(=O)CN)C(C)CC)CSSCC(C(NC(CO)C(=O)NC(CC(C)C)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CCC(N)=O)C(=O)NC(CC(C)C)C(=O)NC(CCC(O)=O)C(=O)NC(CC(N)=O)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CSSCC(NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2C=CC(O)=CC=2)NC(=O)C(CC(C)C)NC(=O)C(C)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2NC=NC=2)NC(=O)C(CO)NC(=O)CNC2=O)C(=O)NCC(=O)NC(CCC(O)=O)C(=O)NC(CCCNC(N)=N)C(=O)NCC(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC(O)=CC=3)C(=O)NC(C(C)O)C(=O)N3C(CCC3)C(=O)NC(CCCCN)C(=O)NC(C)C(O)=O)C(=O)NC(CC(N)=O)C(O)=O)=O)NC(=O)C(C(C)CC)NC(=O)C(CO)NC(=O)C(C(C)O)NC(=O)C1CSSCC2NC(=O)C(CC(C)C)NC(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CC(N)=O)NC(=O)C(NC(=O)C(N)CC=1C=CC=CC=1)C(C)C)CC1=CN=CN1 NOESYZHRGYRDHS-UHFFFAOYSA-N 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 206010011409 Cross infection Diseases 0.000 description 1
- 206010069803 Injury associated with device Diseases 0.000 description 1
- 102000004877 Insulin Human genes 0.000 description 1
- 108090001061 Insulin Proteins 0.000 description 1
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 229940125396 insulin Drugs 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000451 tissue damage Effects 0.000 description 1
- 231100000827 tissue damage Toxicity 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses an electrically driven needleless injector, which comprises a power component, a transmission component, a power storage firing component and a medicament suction component; the driving motor in the power assembly transmits power to the driven gear of the transmission assembly through the driving gear in a meshed mode, the power is transmitted to the spring of the power storage triggering assembly through the conversion screw rod to store power, the triggering button of the power storage triggering assembly is matched with the push plate, and the push plate is matched with the push rod of the medicament suction assembly to eject the medicament in the ampoule. The utility model discloses use battery drive motor to provide power, power and mechanical structure are reliable and stable, and the integrated design more conveniently carries, uses.
Description
Technical Field
The utility model belongs to the technical field of medical equipment, concretely relates to electrically-driven needleless injector.
Background
the injection of insulin agents is usually performed using a disposable syringe with a needle, and various problems caused by the injection with the needle are easy to occur, such as needle-fear, pain, tissue damage, cross infection, accidental needle-stick injury, needle breakage and the like caused by the injection with the needle, which can cause damage to the injection health and happiness of users, and have significant negative economic impact.
With the development of the prior art, needleless injectors have been developed, which can effectively avoid various problems caused by injection with needles. Generally, the needleless injector loads power by hands of a person to drive liquid to penetrate through the skin to enter the human body, and the loaded power is inconvenient to use, has a smooth product appearance and is limited to use when the hands of the person are weak, so that the use of the needleless injector is troublesome for the person.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that the existing needleless injector adopts the two hands of a person to load power forcibly and uses the limited technical problem, thereby providing an electrically-driven needleless injector which adopts the convenient motor-driven loading power, has the stable and reliable integrated design of the mechanical structure, and is more convenient to use and carry.
For solving the technical problem, the utility model discloses the technical scheme who adopts as follows:
An electrically-driven needleless injector comprises a power assembly, a transmission assembly, a power accumulation firing assembly and a medicament suction assembly; the driving motor in the power assembly transmits power to the driven gear of the transmission assembly through the driving gear in a meshed mode, the power is transmitted to the spring of the power storage triggering assembly through the conversion screw rod to store power, the triggering button of the power storage triggering assembly is matched with the push plate, and the push plate is matched with the push rod of the medicament suction assembly to eject the medicament in the ampoule.
The power assembly comprises a power shell, and the power shell is fixedly arranged on a transmission shell of the transmission assembly; the power switch is characterized in that a driving motor, a power supply, a driving gear and a power switch are installed in the power shell, the pressing end of the power switch is exposed out of the power shell, the power supply supplies power to the driving motor through the power switch, an output shaft of the driving motor is connected with the driving gear, and the driving gear is meshed with a driven gear of the transmission assembly.
The transmission assembly comprises a transmission shell, a transmission mounting groove is formed in the position, corresponding to the power shell, of the transmission shell, a driven gear is mounted in the transmission mounting groove, a transmission screw I, a transmission gear I, a transmission screw II and a transmission gear II, the driven gear is mounted at one end of the transmission screw I and drives the transmission screw I to rotate, the transmission screw I is mounted on the side wall of the transmission shell through a bearing seat, the transmission gear I is mounted at the other end of the transmission screw I, the transmission gear I is meshed with the transmission gear II, the transmission gear II is mounted at one end of the transmission screw II, the other end of the transmission screw II extends into a limiting hole, one end of a conversion screw is sleeved on the transmission screw II and is in threaded connection with the transmission screw II, and the other end of the conversion screw is.
The power storage firing assembly comprises a firing shell, and the firing shell is in threaded connection with the transmission shell; a force storage cavity and a release cavity are arranged in the percussion shell, a spring limiting buckle, a spring and a push plate are arranged in the force storage cavity, the spring is fixed between the spring limiting buckle and the push plate, and an elastic clamping block is arranged on the outer wall of the push plate; a limit hole and a track groove for the elastic clamping block to slide are arranged at the position, located in the release cavity, of the percussion shell, and the elastic clamping block is located in the track groove and is in contact with a percussion button in the limit hole; and one end of the push plate, which is positioned in the track groove, is in contact connection with the push rod of the medicament sucking component.
The medicament sucking assembly comprises a push rod, a piston and an ampoule, wherein the ampoule is in threaded connection with a firing shell, the piston is slidably mounted in the ampoule, one end of the push rod extends into the ampoule and is connected with the piston, and the other end of the push rod extends into the firing shell and is connected with a push plate in a contact manner.
The utility model discloses with battery drive motor linkage drive screw and then compression spring provides power, the spring that compresses is fixed by the spacing buckle of spring and push pedal, push pedal linkage firing button. The single ampoule absorbs the liquid medicine with the required injection dosage, and then the single ampoule is connected with the shell of the firing part by an external thread structure, and the push rod structure penetrating into the rubber plug in the ampoule is in contact connection with the push plate. The spring keeps the state of compressed, when needs were injected, promotes to press the trigger button and makes it no longer restrict the spacing push pedal of spring, promotes spacing spring push pedal release power in the twinkling of an eye under the fixed action of the resilience of spring and the spacing buckle of spring, and the push pedal can only move down, and then drives the push rod and move down, and the piston is in injecting the skin with the liquid medicine in the ampoule fast under the effect of push rod, accomplishes once injection. The utility model discloses use battery drive motor to provide power, power and mechanical structure are reliable and stable, and the integrated design more conveniently carries, uses.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged view of the area a in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
1-2, an electrically driven needleless injector comprises a power assembly 1, a transmission assembly 2, a power firing assembly 3 and a medicament aspirating assembly 4; a driving motor 1-2 in a power assembly 1 is used for transmitting power to a driven gear 2-2 of a transmission assembly 2 in an engaged mode through a driving gear 1-4, the power is transmitted to a spring 3-3 of a power storage triggering assembly 3 through a conversion screw rod 2-8 to store power, a triggering button 3-7 of the power storage triggering assembly 3 is matched with a push plate 3-4, and the push plate 3-4 is matched with a push rod 4-1 of a medicament suction assembly 4 to eject medicament in an ampoule 4-3.
Specifically, the power assembly 1 comprises a power shell 1-1, and the power shell 1-1 is fixedly arranged on a transmission shell 2-1 of the transmission assembly 2; a driving motor 1-2, a power supply 1-3, a driving gear 1-4 and a power switch 1-5 are arranged in a power shell 1-1, the pressing end of the power switch 1-5 is exposed out of the power shell 1-1, the power supply 1-3 supplies power to the driving motor 1-2 through the power switch 1-5, an output shaft of the driving motor 1-2 is connected with the driving gear 1-4, and the driving gear 1-4 is meshed with a driven gear 2-2 of a transmission assembly 2.
The transmission assembly 2 comprises a transmission shell 2-1, a transmission installation groove 2-1-1 is arranged at the position, corresponding to the power shell 1-1, of the transmission shell 2-1, a driven gear 2-2, a transmission screw I2-3, a transmission gear I2-4, a transmission screw II 2-5 and a transmission gear II 2-6 are arranged in the transmission installation groove 2-1-1, the driven gear 2-2 is installed at one end of the transmission screw I2-3 and drives the transmission screw I2-3 to rotate, the transmission screw I2-3 is installed on the side wall of the transmission shell 2-1 through a bearing seat, the transmission gear I2-4 is installed at the other end of the transmission screw I2-3, and the transmission gear I2-4 is meshed with the transmission gear II 2-6, the transmission gear II 2-6 is installed at one end of the transmission screw II 2-5, the other end of the transmission screw II 2-5 extends into the limiting hole 2-7, one end of the conversion screw 2-8 is sleeved on the transmission screw II 2-5 and is in threaded connection with the transmission screw II 2-5, and the other end of the conversion screw 2-8 is fixedly connected with one end of the spring limiting buckle 3-2 of the power storage firing assembly 3.
The power storage firing assembly 3 comprises a firing shell 3-1, and the firing shell 3-1 is in threaded connection with a transmission shell 2-1; a force storage cavity 3-1-1 and a release cavity 3-1-2 are arranged in the percussion shell 3-1, a spring limiting buckle 3-2, a spring 3-3 and a push plate 3-4 are arranged in the force storage cavity 3-1-1, the spring 3-3 is fixed between the spring limiting buckle 3-2 and the push plate 3-4, and an elastic clamping block 3-5 is arranged on the outer wall of the push plate 3-4; a limit hole 3-6 and a track groove 3-8 for the elastic fixture block 3-5 to slide are arranged at the position of the release cavity 3-1-2 of the percussion shell 3-1, and the elastic fixture block 3-5 is positioned in the track groove 3-8 and is contacted with a percussion button 3-7 in the limit hole 3-6; and one end of the push plate 3-4 positioned in the track groove 3-8 is in contact connection with the push rod 4-1 of the medicament sucking component 4.
The medicament sucking assembly 4 comprises a push rod 4-1, a piston 4-2 and an ampoule 4-3, the ampoule 4-3 is in threaded connection with a firing shell 3-1, the piston 4-2 is slidably mounted in the ampoule 4-3, one end of the push rod 4-1 extends into the ampoule 4-3 to be connected with the piston 4-2, and the other end of the push rod 4-1 extends into the firing shell 3-1 to be in contact connection with a push plate 3-4.
The utility model discloses with battery drive motor linkage drive screw and then compression spring provides power, the spring that compresses is fixed by the spacing buckle of spring and push pedal, push pedal linkage firing button. The single ampoule absorbs the liquid medicine with the required injection dosage, and then the single ampoule is connected with the shell of the firing part by an external thread structure, and the push rod structure penetrating into the rubber plug in the ampoule is in contact connection with the push plate. The spring keeps the state of compressed, when needs were injected, promotes to press the percussion button and makes it no longer restrict the push pedal, promotes push pedal release power in the twinkling of an eye under the fixed action of the resilience of spring and the spacing buckle of spring, and the push pedal can only move down, and then drives the push rod and move down, and the piston is injected the liquid medicine in the ampoule into skin fast under the effect of push rod in, accomplishes once injecting. The utility model discloses use battery drive motor to provide power, power and mechanical structure are reliable and stable, and the integrated design more conveniently carries, uses.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. An electrically driven needleless injector, comprising: comprises a power component (1), a transmission component (2), a power storage firing component (3) and a medicament suction component (4); a driving motor (1-2) in a power assembly (1) is used for transmitting power to a driven gear (2-2) of a transmission assembly (2) in a meshed mode through a driving gear (1-4), the power is transmitted to a spring (3-3) of a power storage triggering assembly (3) through a conversion screw rod (2-8) to store power, a triggering button (3-7) of the power storage triggering assembly (3) is matched with a push plate (3-4), and the push plate (3-4) is matched with a push rod (4-1) of a medicament suction assembly (4) to eject out medicaments in an ampoule (4-3).
2. An electrically driven needleless injector as in claim 1 wherein: the power assembly (1) comprises a power shell (1-1), and the power shell (1-1) is fixedly arranged on a transmission shell (2-1) of the transmission assembly (2); a driving motor (1-2), a power supply (1-3), a driving gear (1-4) and a power switch (1-5) are installed in a power shell (1-1), the pressing end of the power switch (1-5) is exposed out of the power shell (1-1), the power supply (1-3) supplies power to the driving motor (1-2) through the power switch (1-5), the output shaft of the driving motor (1-2) is connected with the driving gear (1-4), and the driving gear (1-4) is meshed with a driven gear (2-2) of a transmission assembly (2).
3. An electrically driven needleless injector as claimed in claim 1 or claim 2 in which: the transmission assembly (2) comprises a transmission shell (2-1), a transmission installation groove (2-1-1) is formed in the transmission shell (2-1) corresponding to the power shell (1-1), a driven gear (2-2), a transmission screw I (2-3), a transmission gear I (2-4), a transmission screw II (2-5) and a transmission gear II (2-6) are installed in the transmission installation groove (2-1-1), the driven gear (2-2) is installed at one end of the transmission screw I (2-3) and drives the transmission screw I (2-3) to rotate, the transmission screw I (2-3) is installed on the side wall of the transmission shell (2-1) through a bearing seat, and the transmission gear I (2-4) is installed at the other end of the transmission screw I (2-3), the transmission gear I (2-4) is meshed with the transmission gear II (2-6), the transmission gear II (2-6) is installed at one end of the transmission screw II (2-5), the other end of the transmission screw II (2-5) extends into the limiting hole (2-7), one end of the conversion screw (2-8) is sleeved on the transmission screw II (2-5) and is in threaded connection with the transmission screw II (2-5), and the other end of the conversion screw (2-8) is fixedly connected with one end of the spring limiting buckle (3-2) of the force storage triggering assembly (3).
4. An electrically driven needleless injector as in claim 3 wherein: the power storage firing assembly (3) comprises a firing shell (3-1), and the firing shell (3-1) is in threaded connection with the transmission shell (2-1); a force storage cavity (3-1-1) and a release cavity (3-1-2) are arranged in the percussion shell (3-1), a spring limiting buckle (3-2), a spring (3-3) and a push plate (3-4) are arranged in the force storage cavity (3-1-1), the spring (3-3) is fixed between the spring limiting buckle (3-2) and the push plate (3-4), and an elastic clamping block (3-5) is arranged on the outer wall of the push plate (3-4); a limit hole (3-6) and a track groove (3-8) for the elastic clamping block (3-5) to slide are arranged at the position, located in the release cavity (3-1-2), of the percussion shell (3-1), and the elastic clamping block (3-5) is located in the track groove (3-8) and is in contact with a percussion button (3-7) in the limit hole (3-6); and one end of the push plate (3-4) positioned in the track groove (3-8) is in contact connection with the push rod (4-1) of the medicament sucking component (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 |
|---|---|
| CN209751837U true CN209751837U (en) | 2019-12-10 |
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 | Electrically-driven needleless injector |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910080907.6A Pending CN109701119A (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 |
|---|---|---|---|---|
| CN109701119A (en) * | 2018-03-23 | 2019-05-03 | 河南祯祺生物科技有限公司 | Electrically-driven needleless injector |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (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 |
| CN204033941U (en) * | 2014-08-27 | 2014-12-24 | 北京快舒尔医疗技术有限公司 | A kind of needleless injector with electric functions |
| 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 |
-
2019
- 2019-01-28 CN CN201920143777.1U patent/CN209751837U/en active Active
- 2019-01-28 CN CN201910080907.6A patent/CN109701119A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109701119A (en) * | 2018-03-23 | 2019-05-03 | 河南祯祺生物科技有限公司 | Electrically-driven needleless injector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109701119A (en) | 2019-05-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103550848B (en) | Needle-free syringe | |
| CN209751837U (en) | Electrically driven needleless injector | |
| CN104436362B (en) | A kind of infusion pump | |
| US20220105275A1 (en) | Automatic injection syringe | |
| CN102824672B (en) | Automatic retracting type self-destruction injecting device | |
| CN210904434U (en) | Injection tube of syringe without needle | |
| CN219250366U (en) | Thyroid cyst puncture structure | |
| CN201752522U (en) | Self using type syringe | |
| CN107497018B (en) | Disposable safety injection needle for children | |
| CN105498045A (en) | Needle-free spring injector | |
| CN215231101U (en) | Anesthetic pusher | |
| CN104645459A (en) | Insulin injector | |
| CN210472722U (en) | Novel insulin injection device | |
| CN212631362U (en) | Veterinary drug solution injector | |
| CN204637183U (en) | A kind of insulin jet injector | |
| CN112641531A (en) | Subcutaneous injection device | |
| CN105477749A (en) | Disposable needle-free spring syringe | |
| CN201431678Y (en) | Needle-free injection device | |
| CN210871826U (en) | Abdominal subcutaneous injection pressing device | |
| CN219375852U (en) | Maintenance gel boosting tool | |
| CN217510947U (en) | Needle ware is got to portable insulin for pen syringe needle | |
| CN219462163U (en) | Liquid medicine injector | |
| CN219742983U (en) | Animal doctor uses long handle injection rifle | |
| CN215231112U (en) | Automatic injection device for liquid medicine | |
| CN221084345U (en) | Puncture-preventing intravenous puncture needle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |