CN213076978U - Preheating electromagnetic needle-free injection handle capable of achieving continuous injection - Google Patents
Preheating electromagnetic needle-free injection handle capable of achieving continuous injection Download PDFInfo
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- CN213076978U CN213076978U CN202020474525.XU CN202020474525U CN213076978U CN 213076978 U CN213076978 U CN 213076978U CN 202020474525 U CN202020474525 U CN 202020474525U CN 213076978 U CN213076978 U CN 213076978U
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Abstract
The utility model discloses a preheating electromagnetic force needleless injection handle capable of continuous injection, which comprises a needleless injection head structure, an electromagnetic impact mechanism and a preheating spiral structure, wherein the electromagnetic impact mechanism comprises an impact hammer, an electromagnetic coil, a guide sleeve, an impact rod and an impact rod reset spring; preheat helical structure and include low temperature preheating core, medicine liquid pipe spiral circle is around preheating on low temperature preheating core, and medicine storehouse is connected to medicine liquid pipe one end, and the other end is for preheating the liquid medicine for pipe connection one-way dosing valve. The utility model discloses an electromagnetism striking mechanism provides power and realizes the needleless immunity injection to through preheating helical structure and carrying out the low temperature to the bacterin and preheat the needleless injection after mixing, avoided the stress response that the bacterin low temperature leads to when improving inoculation efficiency.
Description
Technical Field
The utility model belongs to the technical field of the syringe that borrows the injection effect to inject the medium, in particular to preheating-type electromagnetic force needleless injection handle that can inject in succession.
Background
The needleless injector applies high pressure to the liquid medicine to inject the liquid medicine to the medical apparatus under the skin of a patient through the micropores at the end part, so that the pain of puncturing the skin is avoided, the cross infection caused by the disinfection operation and the misoperation of the needle head is avoided, the medicine consumption can be saved by at least forty percent compared with the needle head puncturing injection, and the needleless injector has a very wide application prospect. However, the current needleless injector is complicated for single use, and particularly, the operation of medicine adding after use is high in operation requirement, the material consumption is increased, the cost is increased, and therefore, the needle-free injector cannot be used for large-workload operation of animal immunization at present. Direct access to vaccine cryopreservation is prone to cause emergency response to vaccinated subjects in winter, and particularly poultry may seriously produce inflammatory injury to cause death.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art not enough, provide a but continuous injection's preheating type electromagnetic force needleless injection handle, provide power through electromagnetism striking mechanism and realize needleless immunity injection to through preheating helical structure and carrying out the low temperature to the bacterin and preheat the needleless injection after mixing, avoided the stress reaction that the bacterin low temperature leads to when improving inoculation efficiency.
The technical scheme is as follows:
a preheating electromagnetic force needleless injection handle that can inject in succession, includes needleless syringe needle structure, electromagnetism striking mechanism and preheating helical structure, wherein:
the needleless injection head structure comprises a rubber piston, a push rod, a jet hole and a one-way dosing valve, the jet hole is arranged at the tip of an inner cavity of a conical tip structure, the rubber piston in interference fit with the inner cavity of the hollow cylinder is arranged at the end part of the push rod, the other end of the push rod is connected with a push rod reset spring, the one-way dosing valve is arranged in the half range of the inner cavity of the hollow cylinder close to an electromagnetic impact mechanism, the one-way dosing valve is externally connected with a preheated liquid medicine dosing pipe, an impact hammer of the electromagnetic impact mechanism rapidly impacts the push rod, liquid medicine forms, before the tip of the injection head leaves the skin, the push rod is pulled by the push rod return spring to drive the rubber piston to return and withdraw to form negative pressure, preheated replenishing liquid medicine enters the hollow cylindrical inner cavity through the one-way medicine feeding valve, and the one-way medicine feeding valve only allows the liquid medicine to enter and prevents the liquid medicine from forming backflow caused by pressure when the rubber piston pushes;
the electromagnetic impact mechanism comprises an impact hammer, an electromagnetic coil, a guide sleeve, an impact rod and an impact rod reset spring, the electromagnetic coil stores energy for the impact rod to accelerate and emit, the impact hammer at the end of the impact rod impacts a push rod at a high speed to form a cavity of a needleless injection head structure to spray high-speed medicine jet at a high pressure, and the impact rod reciprocates in the guide sleeve;
preheat helical structure and include low temperature preheating core, medicine liquid pipe spiral circle is around preheating on low temperature preheating core, and medicine storehouse is connected to medicine liquid pipe one end, and the other end is for preheating the liquid medicine for pipe connection one-way dosing valve.
Further, the injection head structure is a polyformaldehyde plastic injection molding structure, the diameter range of the injection hole is 0.05-0.12 mm, the internal angle range of the tip cone is 9-15 degrees, and the length-diameter ratio range is 2-4; the cylindrical portion has an outer diameter in the range of 7.1mm to 9.8mm and a wall thickness in the range of 1.8mm to 2.8 mm.
Further, the push rod is a cross-shaped push rod.
The preheating electromagnetic force needle-free injection handle capable of continuous injection realizes needle-free immune injection by providing power through the electromagnetic impact mechanism, and performs needle-free injection after low-temperature preheating and mixing on the vaccine through the preheating spiral structure, so that the stress reaction caused by low temperature of the vaccine is avoided while the inoculation efficiency is improved.
Drawings
Fig. 1 is a sectional view of a preheating type electromagnetic needle-free injection handle capable of continuous injection.
Fig. 2 is a cross-sectional view of an electromagnetic impact mechanism.
Description of reference numerals:
the device comprises a needleless injection head structure-1, a rubber piston-2, a push rod-3, a preheated liquid medicine administration tube-4, a one-way administration valve-5, a push rod return spring-6, an impact hammer-7, a preheated spiral structure-8, a liquid medicine tube-9, an electromagnetic impact mechanism-10, an impact rod-11, an electromagnetic coil-12, a guide sleeve-13, a sound insulation layer-14, an impact rod return spring-15 and an electromagnetic acceleration cavity-16.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the preheating electromagnetic needle-free injection handle for continuous injection provided by the present invention is described in detail below with reference to the following embodiments. The following examples are intended to illustrate the invention and are not intended to limit the scope of the invention.
Example 1
As shown in fig. 1, a preheating type electromagnetic force needleless injection handle capable of continuous injection comprises a needleless injection head structure 1, an electromagnetic impact mechanism 10 and an impact hammer 7, wherein:
the needle-free injection head structure 1 comprises a rubber piston 2, a push rod 3, an injection hole and a one-way dosing valve 5, the injection hole is arranged at the tip of an inner cavity of a conical tip structure, the rubber piston 2 in interference fit with the inner cavity of a hollow cylinder is arranged at the end part of the push rod 3, the other end of the push rod 3 is connected with a push rod reset spring 6, the one-way dosing valve 5 is arranged in the half range of the inner cavity of the hollow cylinder close to an electromagnetic impact mechanism 10, the one-way dosing valve 5 is externally connected with a preheating liquid medicine dosing pipe 4, an impact hammer 7 of the electromagnetic impact mechanism 10 rapidly impacts the push rod 3, before the tip of the injection head leaves the skin, the push rod reset spring 6 pulls the push rod 3 to drive the rubber piston 2 to reset and retract to form negative pressure, preheated replenishing liquid medicine enters the hollow cylindrical inner cavity through the one-way medicine feeding valve 5, and the one-way medicine feeding valve 5 only allows the liquid medicine to enter and prevents the liquid medicine from forming backflow caused by pressure when the rubber piston 2 pushes.
Preheat helical structure 8 and include low temperature preheating core, 9 spiral turns of liquid medicine pipe are around preheating on low temperature preheating core, and 9 one ends of liquid medicine pipe are connected the medicine storehouse, and the other end is for preheating liquid medicine for 4 connections one-way dosing valve 5 of medicine pipe.
As shown in figure 2, the electromagnetic impact mechanism 10 comprises an impact hammer 7, an electromagnetic coil 12, a guide sleeve 13, an impact rod 11 and an impact rod return spring 15, wherein the electromagnetic coil 12 stores energy to accelerate and emit the impact rod 11, the impact hammer 7 at the end part of the impact rod 11 impacts the push rod 3 at high speed to form a high-pressure high-speed medicine jet in the cavity of the needle-free injection head structure 1, and the impact rod 11 reciprocates in the guide sleeve 13.
The injection head structure is a polyformaldehyde plastic injection molding structure, the diameter range of an injection hole is 0.05-0.12 mm, the range of the conical inner angle of a tip is 9-15 degrees, and the length-diameter ratio range is 2-4; the cylindrical portion has an outer diameter in the range of 7.1mm to 9.8mm and a wall thickness in the range of 1.8mm to 2.8 mm.
The push rod 3 is a cross-hair push rod.
Above-mentioned but needleless injection handle of preheating type electromagnetic force needle-free of continuous injection, provide power through electromagnetic impact mechanism and realize the needleless immunity injection to through preheating helical structure and carrying out the needleless injection after the low temperature preheats the mixture to bacterin, avoid the stress that the bacterin low temperature leads to when improving the inoculation efficiency.
The present invention is not limited to the above-described examples, and various changes can be made without departing from the spirit of the present invention within the knowledge range of those skilled in the art.
Claims (3)
1. The utility model provides a but needleless injection handle of preheating-type electromagnetic force that can inject in succession which characterized in that includes the structure of needleless syringe, electromagnetism striking mechanism and preheating helical structure, wherein:
the needleless injection head structure comprises a rubber piston, a push rod, a jet hole and a one-way dosing valve, the jet hole is formed in the tip of an inner cavity of a conical tip structure, the rubber piston in interference fit with the inner cavity of the hollow cylinder is arranged at the end of the push rod, the other end of the push rod is connected with a push rod return spring, the one-way dosing valve is arranged in the range of the half part of the inner cavity of the hollow cylinder close to an electromagnetic impact mechanism, the outside of the one-way dosing valve is connected with a preheated liquid medicine dosing pipe, and the one-way dosing valve only allows liquid medicine to enter;
the electromagnetic impact mechanism comprises an impact hammer, an electromagnetic coil, a guide sleeve, an impact rod and an impact rod reset spring, the electromagnetic coil stores energy for the impact rod to accelerate and emit, the impact hammer at the end of the impact rod impacts a push rod at a high speed to form a cavity of a needleless injection head structure to spray high-speed medicine jet at a high pressure, and the impact rod reciprocates in the guide sleeve;
preheat helical structure and include low temperature preheating core, medicine liquid pipe spiral circle is around preheating on low temperature preheating core, and medicine storehouse is connected to medicine liquid pipe one end, and the other end is for preheating the liquid medicine for pipe connection one-way dosing valve.
2. The preheating type electromagnetic force needle-free injection handle capable of continuous injection as claimed in claim 1, wherein the injection head structure is a polyoxymethylene plastic injection structure, the diameter of the injection hole ranges from 0.05 to 0.12mm, the internal angle of the taper at the tip ranges from 9 ° to 15 °, and the length-diameter ratio ranges from 2 to 4; the cylindrical portion has an outer diameter in the range of 7.1mm to 9.8mm and a wall thickness in the range of 1.8mm to 2.8 mm.
3. The preheating-type electromagnetic force needle-free injection handle capable of continuous injection according to claim 1 or 2, wherein the push rod is a cross-shaped push rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020474525.XU CN213076978U (en) | 2020-04-03 | 2020-04-03 | Preheating electromagnetic needle-free injection handle capable of achieving continuous injection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020474525.XU CN213076978U (en) | 2020-04-03 | 2020-04-03 | Preheating electromagnetic needle-free injection handle capable of achieving continuous injection |
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| Publication Number | Publication Date |
|---|---|
| CN213076978U true CN213076978U (en) | 2021-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020474525.XU Active CN213076978U (en) | 2020-04-03 | 2020-04-03 | Preheating electromagnetic needle-free injection handle capable of achieving continuous injection |
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| CN (1) | CN213076978U (en) |
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2020
- 2020-04-03 CN CN202020474525.XU patent/CN213076978U/en active Active
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