CN110721369A - Multi-medicine-mixed needle-free injector for animals - Google Patents
Multi-medicine-mixed needle-free injector for animals Download PDFInfo
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- CN110721369A CN110721369A CN201911007852.2A CN201911007852A CN110721369A CN 110721369 A CN110721369 A CN 110721369A CN 201911007852 A CN201911007852 A CN 201911007852A CN 110721369 A CN110721369 A CN 110721369A
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- needleless injector
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/1782—Devices aiding filling of syringes in situ
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61D—VETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
- A61D7/00—Devices or methods for introducing solid, liquid, or gaseous remedies or other materials into or onto the bodies of animals
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/30—Syringes for injection by jet action, without needle, e.g. for use with replaceable ampoules or carpules
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/70—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in livestock or poultry
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Vascular Medicine (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention relates to the technical field of medical instruments, in particular to a veterinary needleless injector capable of mixing multiple medicaments, which comprises a liquid storage device, a liquid mixing device and a needleless injector, wherein the needleless injector is in a pistol shape, a first air source is arranged beside the needleless injector and is connected with the needleless injector through a hose, a controller is arranged at the upper end of the needleless injector, the liquid mixing device comprises a liquid mixing pipe, a first stirring blade ring and a second stirring blade ring, the liquid mixing pipe is cylindrical, the liquid mixing pipe is horizontally arranged at the upper end of the needleless injector, the first stirring blade ring and the second stirring blade ring are both rotatably arranged in the liquid mixing pipe, the liquid storage device comprises a plurality of groups of liquid storage mechanisms, the plurality of groups of liquid storage mechanisms are equidistantly and fixedly arranged right above the liquid mixing pipe, the veterinary needleless injector capable of mixing multiple medicaments can be used for mixing multiple medicaments according to needs, the syringe is detachable, simple and reliable in operation and is excellent in property.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a veterinary needle-free injector capable of mixing multiple medicines.
Background
With the development of animal husbandry, various farms such as beef cattle, dairy cows, pigs, sheep and the like and special breeding households are also rapidly developed, and play a positive role in improving the quality of life of people for the dining tables of prosperous markets and abundant people. In order to provide high-quality livestock products for markets and prevent or reduce epidemic infectious diseases, various corresponding vaccines need to be inoculated in good time every year in each farm, and generally, a syringe with a needle for livestock is used for inoculating each livestock with the vaccines. As is known, in the conventional injection mode, the thick needle is penetrated into the skin to cause pain to the animal, and the situation that the needle is broken and bent often happens; and moreover, the work load is large due to frequent assembly and disassembly of the needle heads, the labor and the time are wasted, the efficiency is low, and although the needle heads are sterilized, the hidden danger of cross infection is easily caused due to large quantity and carelessness.
The invention discloses a prior Chinese patent CN200710158064.4, namely a syringe without a needle for animals, and relates to a syringe without a needle for animals. The injection device comprises a medicine containing pipe assembly, an injector and a high-pressure air source, wherein the injector comprises a magnetic thrust piston arranged in an upper cavity of a shell, a pure iron limiting part and the magnetic thrust piston are oppositely arranged in the cavity, a tail rod end extends out of the shell, the end of the magnetic thrust piston rod is movably connected with a piston rod of an injection piston arranged in an injection pipe at the front end of the shell through a connecting sleeve, an injection head is arranged at the front end of the injection pipe, and a medicine inlet at one side is connected with an outlet of the medicine containing pipe assembly through a pipe fitting; the switch plug is arranged at one end of the lower part of the shell in the through cavity, the outer end of the switch plug is contacted with the side surface of the trigger, the hollow air path movable switch plug and the switch plug are oppositely arranged at the other side in the cavity, and the tail end of the switch plug is provided with a spring and is connected with a high-pressure air source through a pipe fitting. The invention has the advantages of high speed, high efficiency, no pain to animals, continuous injection, accurate dosage control, controllable and adjustable injection pressure according to different livestock, effective prevention of cross infection and good safety. However, the injector can only inject a single medicament, or the injector can inject the medicament only by mixing the medicaments in equal proportion in the external environment, so that the efficiency is low.
In order to meet the market demand, a need exists for a veterinary syringe without a needle, which can be used for mixing multiple medicines.
Disclosure of Invention
The invention aims to provide a multi-medicine mixing syringe needle-free injector for animals, which can be used for mixing various medicines according to requirements, is detachable, has high efficiency and is simple and reliable to operate.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a veterinary syringe without needle head capable of mixing multiple medicaments, which comprises a liquid storage device, a liquid mixing device and a needleless syringe, wherein the needleless syringe is in a pistol shape, the liquid mixing device is fixedly arranged at the upper end of the needleless syringe, the liquid storage device is fixedly arranged above the liquid mixing device, a first air source is arranged beside the needleless syringe, the first air source is connected with the needleless syringe through a hose, a controller is arranged at the upper end of the needleless syringe, the controller is fixedly arranged at one side of the liquid mixing device far away from the output end of the needleless syringe, the liquid mixing device comprises a liquid mixing pipe, a first stirring blade ring and a second stirring blade ring, the liquid mixing pipe is in a cylindrical shape, the liquid mixing pipe is arranged at the upper end of the needleless syringe in a horizontal state, the first stirring blade ring and the second stirring blade ring are both rotatably arranged in the liquid mixing pipe, and the first stirring blade ring and the second stirring blade ring are both arranged at one end close to the, the liquid storage device comprises a plurality of groups of liquid storage mechanisms which are fixedly arranged right above the liquid mixing pipe at equal intervals.
As an optimal scheme that the veterinary needleless injector can be used by mixing multiple medicaments, a rectangular accommodating groove is fixedly formed in the upper end of the needleless injector, a liquid mixing pipe is arranged in the rectangular accommodating groove through a first spring clamp, an injection pipe is arranged at the output end of the needleless injector, a liquid inlet pipe is arranged on the injection pipe, a liquid outlet pipe is arranged at the upper end of one end, close to the injection pipe, of the liquid mixing pipe, and the liquid outlet pipe is fixedly connected with the liquid inlet pipe through a hose.
As an optimal scheme that can the veterinary no syringe needle syringe that uses is mixed to many medicaments, first stirring leaf circle and second stirring leaf circle interval antiport set up inside the muddy liquid pipe of neighbour's drain pipe to first stirring leaf circle and second stirring leaf circle all closely contradict on the inner wall of mixing the liquid pipe, be provided with a plurality of circles on the outer wall of first stirring leaf circle and second stirring leaf circle and be used for mixing the pivoted ball on the liquid pipe inner wall, mix the upper end equidistance of liquid pipe and be provided with a plurality of and be used for the inlet that communicates with stock solution mechanism.
As an optimal selection scheme that can the veterinary syringe needle free syringe that uses with more medicaments thoughtlessly, a plurality of stock solution mechanism of group includes a plurality of stock solution pipe and a plurality of stock solution lid, the stock solution pipe is cylindricly, a plurality of stock solution pipe is the top that vertical state set up at a plurality of inlet, and the bottom of a plurality of stock solution pipe is all through a plurality of solenoid valve and inlet fixed connection, the equal threaded connection of a plurality of stock solution lid is in the upper end of a plurality of stock solution pipe, the upper end of a plurality of stock solution lid all is provided with a plurality of air inlet and a plurality of gas outlet, the upper end of a plurality of gas outlet all is provided with the automatically controlled relief valve that a plurality of is used.
As an optimal scheme that can be used for veterinary syringe needle free injector that uses more medicaments thoughtlessly, needleless injector includes the cavity, cavity down, annotate liquid subassembly and air admission subassembly, it is cylindricly to go up the cavity, it sets up the lower extreme at the rectangle holding tank along rectangle holding tank length direction is fixed to go up the cavity, it is cubic that lower cavity is L, the fixed below that sets up at last cavity of length direction of cavity is followed to lower cavity, the inside of going up the cavity is provided with the first holding tank that link up along last cavity length direction, annotate the sealed setting of liquid subassembly in first holding tank, the inside of cavity is provided with the second holding tank that link up along lower cavity length direction down, the sealed setting of air admission subassembly is in the second holding tank.
As an optimal scheme that the veterinary needleless injector can be used by mixing multiple medicaments, a first through hole and a second through hole which are used for air inlet and outlet are formed in the two ends of the joint of the upper cavity and the lower cavity, a first air channel parallel to the second accommodating groove is formed in the lower portion of the second accommodating groove, a second air channel which is vertically communicated with the first air channel is formed in the lower portion of the first air channel, and third through holes which are used for ventilation are formed in the two ends of the first air channel and the second accommodating groove.
As an optimal selection scheme that can many medicaments use veterinary no syringe needle syringe thoughtlessly, annotate the liquid subassembly and include magnetism thrust piston and pure iron locating part, magnetism thrust piston and pure iron locating part all seal the setting in first holding tank to magnetism thrust piston is sealed to be contradicted on the inner wall of first holding tank, and the one end that magnetism thrust piston was kept away from to pure iron locating part is provided with the knob, knob and first holding tank threaded connection, and the below of going up cavity neighbour injection syringe one end is provided with the trigger.
As an optimal selection scheme that can the veterinary no syringe needle syringe that many medicaments used together, the air admission subassembly includes admission line and support post, the sealed setting of admission line is in the second holding tank, support the fixed setting of post on the admission line of neighbour's injection pipe one end, the admission line is hollow circular cylinder, the bar that is used for ventilating is led to the groove towards the upper end and is offered at the middle part of admission line, the both ends of admission line are provided with first resistance block and second resistance block respectively, first resistance block and second resistance block are contradicted on the inner wall of second holding tank, and the second resistance block is hollow form, be provided with the second spring that is used for reseing between the one end of second resistance block and lower cavity, be provided with the micro-control switch on the cavity down, and the fixed setting of micro-control switch is under the support post.
The invention has the beneficial effects that: firstly, before injecting the liquid medicine, a worker prepares liquid storage mechanisms with corresponding quantity according to different types of medicaments required to be mixed, then prepares corresponding micro air sources to be fixedly arranged on an air inlet of the liquid storage mechanisms, then prepares air sources to be placed beside a needleless injector, next, the worker adjusts a knob on a liquid injection assembly according to the quantity of the required liquid medicine, then inspects the sealing performance of the liquid storage device, the liquid mixing device and the needleless injector, opens a liquid storage cover after inspection is finished, adds different types of medicaments into different liquid storage pipes in the liquid storage device, then the worker uses medicaments with different proportions to mix according to requirements, injects gases with different proportions into each liquid storage pipe, if the gases have errors, the worker controls an electric control pressure relief valve to adjust and exhaust through a controller, and meanwhile, the air sources beside the needleless injector ventilate a second accommodating groove, when the second through hole is blocked by the second blocking block, gas enters the second containing groove through the gas inlet pipeline and the strip-shaped through groove and enters the first containing groove through the first through hole, the liquid injection assembly is in a liquid injection preparation state at the moment, the abutting column is pressed by the trigger and is simultaneously sensed by the micro-control switch, the controller controls to open the electromagnetic valve, liquid medicine enters the liquid mixing pipe, the liquid medicine in the liquid mixing pipe enters the injection pipe after being mixed and stirred due to pressure difference, meanwhile, the abutting column drives the gas inlet pipeline to move, so that the first blocking block blocks the first through hole, the second through hole is opened, gas enters the first containing groove from the second through hole, under the condition, the liquid medicine in the injection pipe is rapidly injected, and meanwhile, redundant gas in the second containing groove is discharged out of the needleless injector from the third through hole, the first gas channel and the second gas channel, finally, the trigger is loosened, and the air inlet assembly resets under the action of the second spring to complete injection.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic cross-sectional view of the present invention;
FIG. 4 is an exploded perspective view of the reservoir;
FIG. 5 is an exploded perspective view of the liquid mixing device;
FIG. 6 is a schematic perspective view of the liquid injection assembly;
FIG. 7 is an exploded perspective view of the priming assembly;
FIG. 8 is a perspective view of the intake assembly;
FIG. 9 is an exploded perspective view of the air intake assembly;
in the figure: a liquid storage device 1; a liquid mixing device 2; a needleless injector 3; a first gas source 4; a controller 5; a liquid mixing pipe 6; a first stirring blade ring 7; a second stirring blade ring 8; a rectangular accommodating groove 9; a first spring 10; an injection tube 11; a liquid inlet pipe 12; a liquid outlet pipe 13; a ball 14; a liquid inlet 15; a reservoir 16; a liquid storage cover 17; a solenoid valve 18; an air inlet 19; an air outlet 20; an electrically controlled pressure relief valve 21; an upper cavity 22; a first through hole 23; a second through hole 24; a first air passage 25; a second air passage 26; a third through hole 27; a magnetic thrust piston 28; a pure iron limit 29; a knob 30; a trigger 31; an air intake duct 32; a support column 33; a first block 34; a second block 35; a second spring 36; a micro-control switch 37; strip-shaped through slots 38; the first accommodation groove 39; the second accommodation groove 40; a lower cavity 41; the priming assembly 42; and an air intake assembly 43.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and the specific meanings of the terms may be understood by those skilled in the art according to specific situations.
In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being fixed or detachable or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 9, the veterinary needleless injector capable of mixing multiple doses comprises a liquid storage device 1, a liquid mixing device 2 and a needleless injector 3, wherein the needleless injector 3 is in a pistol shape, the liquid mixing device 2 is fixedly arranged at the upper end of the needleless injector 3, the liquid storage device 1 is fixedly arranged above the liquid mixing device 2, a first air source 4 is arranged beside the needleless injector 3, the first air source 4 is connected with the needleless injector 3 through a hose, a controller 5 is arranged at the upper end of the needleless injector 3, the controller 5 is fixedly arranged at one side of the liquid mixing device 2 away from the output end of the needleless injector 3, the liquid mixing device 2 comprises a liquid mixing pipe 6, a first stirring leaf ring 7 and a second stirring leaf ring 8, the liquid mixing pipe 6 is in a cylindrical shape, the liquid mixing pipe 6 is arranged at the upper end of the needleless injector 3 in a horizontal state, the first stirring leaf ring 7 and the second stirring leaf ring 8 are both rotatably arranged inside the liquid mixing pipe 6, and first stirring blade circle 7 and second stirring blade circle 8 all set up the one end at the near needleless injector 3 output, and stock solution device 1 includes a plurality of liquid storage mechanism of group, and a plurality of liquid storage mechanism equidistance of group are fixed to be set up directly over mixing pipe 6. Firstly, a small air source is fixedly arranged above a liquid storage mechanism by an operator, so that the proportion of different liquid medicines in a liquid mixing pipe 6 can be conveniently controlled, then different types of medicines are mixed according to the requirement in the preparation process, a corresponding number of liquid storage mechanisms are prepared, an air source is arranged beside a needleless injector 3 to provide power for the working process of the needleless injector 3, then the tightness of the liquid storage device 1, the liquid mixing device 2 and the needleless injector 3 is checked, different types of medicines are added into the liquid storage device 1 after the check is finished, then the operator uses the medicines with different proportions to mix according to the requirement, gases with different proportions are injected into different liquid storage mechanisms, meanwhile, a controller 5 controls to open a channel, so that the medicines with different proportions enter the liquid mixing device 2, and then the air source beside the needleless injector 3 provides power for the needleless injector 3, so that the liquid medicine in the liquid mixing device 2 passes through the first stirring blade ring 7 and the second stirring blade ring arranged in the liquid mixing pipe 6, so that the medicine is fully mixed and then is transmitted into the needleless injector 3, and finally, the injection work can be carried out by the staff.
The fixed rectangle holding tank 9 that is provided with in upper end of needleless injector 3, mix liquid pipe 6 and put in rectangle holding tank 9 through first spring 10 card, the output of needleless injector 3 is provided with injection pipe 11, is provided with feed liquor pipe 12 on the injection pipe 11, mixes the upper end of the one end of liquid pipe 6 neighbor injection pipe 11 and is provided with drain pipe 13, and drain pipe 13 passes through hose and feed liquor pipe 12 fixed connection. First, the rectangular receiving groove 9 and the first spring 10 are arranged to put the liquid mixing tube 6 into the rectangular receiving groove 9, the mixing tube is fixed in the rectangular receiving groove 9 by the first spring 10, then the liquid inlet tube 12 and the liquid outlet tube 13 are arranged to make the liquid medicine fully mixed in the mixing tube enter the injection tube 11 through the liquid inlet tube 12 and the liquid outlet tube 13, and the injection tube 11 is arranged to store the liquid medicine to be injected and is the same as the needle of the needle injector, and the liquid medicine in the injection tube 11 is injected rapidly under the action of the gas source and the needleless injector 3.
First stirring leaf circle 7 and 8 interval antiport of second stirring leaf circle set up near liquid drain pipe 13 mix inside liquid pipe 6 to first stirring leaf circle 7 and second stirring leaf circle 8 all closely contradict on the inner wall of mixing liquid pipe 6, are provided with a plurality of circles on first stirring leaf circle 7 and the outer wall of second stirring leaf circle 8 and are used for mixing pivoted ball 14 on liquid pipe 6 inner wall, mix the upper end equidistance of liquid pipe 6 and be provided with a plurality of and be used for the inlet 15 that communicates with stock solution mechanism. Firstly, the first stirring blade ring 7 and the second stirring blade ring 8 are reversely and rotatably arranged in the liquid mixing pipe 6 for fully mixing and stirring the liquid medicine, under the action of an air source, a suction force is provided inside the mixing pipe under the action of the needleless injector 3, so that the liquid medicine can drive the first stirring blade ring 7 and the second stirring blade ring 8 to rapidly rotate when passing through the reversely arranged first stirring blade ring 7 and second stirring blade ring 8, thereby fully mixing and stirring the liquid medicine, the first stirring blade ring 7 and the second stirring blade ring 8 are arranged at one end close to the liquid outlet pipe 13, an annular inner groove is arranged on the inner wall of the liquid mixing pipe 6 at the position of the first stirring blade ring 7 and the second stirring blade ring 8, the arrangement of the ball 14 is that the first stirring blade ring 7 and the second stirring blade ring 8 are better rotated in the annular inner groove, and the liquid inlet 15 is arranged, in order to communicate the liquid storage mechanism, the number of the liquid inlet 15 on different mixing pipes is different, and the mixing pipes with the corresponding number of liquid inlets 15 are replaced according to the different kinds of required medicaments.
The stock solution mechanism of a plurality of group includes a plurality of stock solution pipe 16 and a plurality of stock solution lid 17, stock solution pipe 16 is cylindricly, a plurality of stock solution pipe 16 is vertical state setting in the top of a plurality of inlet 15, and the bottom of a plurality of stock solution pipe 16 all is through a plurality of solenoid valve 18 and inlet 15 fixed connection, the equal threaded connection of a plurality of stock solution lid 17 is in the upper end of a plurality of stock solution pipe 16, the upper end of a plurality of stock solution lid 17 all is provided with a plurality of air inlet 19 and a plurality of gas outlet 20, the upper end of a plurality of gas outlet 20 all is provided with the automatically controlled relief valve 21 that a plurality of is used for controlling the air. Firstly, the liquid storage cover 17 is opened, the pressure intensity in each liquid storage pipe 16 is kept consistent, different types of medicaments are poured into the liquid storage pipes 16, the liquid storage pipes 16 are sealed through the liquid storage cover 17, according to the required proportion, workers control the ventilation proportion of the micro gas source, meanwhile, the controller 5 controls the opening of the electromagnetic valve 18, liquid medicine in the liquid storage pipes 16 is pressed into the mixing pipe through the electromagnetic valve 18, when the proportion of the gas introduced into the liquid storage pipes 16 is not correct, the controller 5 can control the electric control pressure relief valve 21 on the gas outlet 20 to discharge redundant gas, so that the gas proportion in the liquid storage pipes 16 is controlled, and further the introduction proportion of the liquid medicine is controlled.
The needleless injector 3 comprises an upper cavity 22, a lower cavity 41, a liquid injection assembly 42 and an air inlet assembly 43, wherein the upper cavity 22 is cylindrical, the upper cavity 22 is fixedly arranged at the lower end of the rectangular accommodating groove 9 along the length direction of the rectangular accommodating groove 9, the lower cavity 41 is L-shaped, the lower cavity 41 is fixedly arranged below the upper cavity 22 along the length direction of the upper cavity 22, a first accommodating groove 39 which penetrates through the upper cavity 22 along the length direction is formed in the upper cavity 22, the liquid injection assembly 42 is hermetically arranged in the first accommodating groove 39, a second accommodating groove 40 which penetrates through the lower cavity 41 along the length direction is formed in the lower cavity 41, and the air inlet assembly 43 is hermetically arranged in the second accommodating groove 40. Firstly, the gas source near the needleless injector 3 provides power, gas is firstly introduced into the first accommodating groove 39, and under the action of the gas inlet assembly 43, the gas enters the second accommodating groove 40 to drive the liquid injection assembly 42, so that the liquid medicine in the injection tube 11 is injected, and the injection is completed.
The two ends of the joint of the upper cavity 22 and the lower cavity 41 are provided with a first through hole 23 and a second through hole 24 for air inlet and outlet, the lower part of the second accommodating groove 40 is provided with a first air channel 25 parallel to the second accommodating groove 40, the lower part of the first air channel 25 is provided with a second air channel 26 vertically communicated with the first air channel 25, and the two ends of the first air channel 25 and the second accommodating groove 40 are provided with third through holes 27 for ventilation. First, the first through hole 23 and the second through hole 24 are provided to introduce the gas in the second receiving groove 40 into the first receiving groove 39, and second through hole 27, the first air channel 25 and the second air channel 26 are provided to better discharge the excess gas in the second receiving groove 40, which is beneficial to the smooth operation of the injector in the whole operation process.
Annotate liquid subassembly 42 including magnetism thrust piston 28 and pure iron locating part 29, magnetism thrust piston 28 and pure iron locating part 29 all seal the setting in first holding tank 39 to magnetism thrust piston 28 seals and contradicts on the inner wall of first holding tank 39, and the one end that magnetism thrust piston 28 was kept away from to pure iron locating part 29 is provided with knob 30, knob 30 and first holding tank 39 threaded connection, and the below of going up cavity 22 neighbor injection tube 11 one end is provided with trigger 31. Firstly, the magnetic thrust piston 28 and the pure iron limiting piece 29 are hermetically arranged in the first containing groove 39, when gas enters the second containing groove 40, the second through hole 24 is blocked by the gas inlet assembly 43, the gas can only enter the first containing groove 39 from the first through hole 23, at this time, the magnetic thrust piston 28 slowly approaches to the pure iron limiting piece 29, along with the decrease of the distance, the magnetic force is increased, the magnetic thrust piston 28 can suck the pure iron limiting piece 29, at this time, the needleless injector 3 is in a ready-to-inject state, when a worker presses the trigger 31, the trigger 31 presses the gas inlet assembly 43, so that the second through hole 24 is opened, the first through hole 23 is blocked, meanwhile, the third through hole 27 is also opened, so that the gas enters the first containing groove 39 through the second through hole 24, the magnetic thrust piston 28 and the pure iron limiting piece 29 are separated, and the magnetic thrust piston 28 reversely and rapidly moves towards the pure iron limiting piece 29, meanwhile, the liquid medicine in the injection tube 11 is injected out, the injection is completed, finally, the trigger 31 is loosened, the injection is completed, and the knob 30 is arranged to adjust the position of the pure iron limiting piece 29 in the first accommodating groove 39 and control the volume between the magnetic thrust piston 28 and the pure iron limiting piece 29, so that the medicine dosage is controlled.
The air inlet assembly 43 comprises an air inlet pipeline 32 and a support column 33, the air inlet pipeline 32 is hermetically arranged in the second accommodating groove 40, the support column 33 is fixedly arranged on the air inlet pipeline 32 close to one end of the injection tube 11, the air inlet pipeline 32 is hollow cylindrical, a strip-shaped through groove 38 for ventilation is formed in the middle of the air inlet pipeline 32 towards the upper end, a first blocking block 34 and a second blocking block 35 are respectively arranged at two ends of the air inlet pipeline 32, the first blocking block 34 and the second blocking block 35 are abutted against the inner wall of the second accommodating groove 40, the second blocking block 35 is hollow, a second spring 36 for resetting is arranged between the second blocking block 35 and one end of the lower cavity 41, a micro-control switch 37 is arranged on the lower cavity 41, and the micro-control switch 37 is fixedly arranged under the support column 33. Firstly, when the air source ventilates the second holding tank 40, when the second through hole 24 is blocked by the second blocking block 35, the air enters the second holding tank 40 through the air inlet pipe 32 and the strip-shaped through groove 38, and enters the first holding tank 39 through the first through hole 23, at this time, the liquid injection assembly 42 is in a ready-to-inject state, when the trigger 31 presses the abutment 33, and simultaneously, the micro-control switch 37 senses the air inlet pipe 33, so that the controller 5 controls to open the electromagnetic valve 18, the liquid medicine enters the liquid mixing pipe 6, due to the pressure difference, the liquid medicine in the liquid mixing pipe 6 enters the injection pipe 11 after being mixed and stirred, at the same time, the abutment 33 drives the air inlet pipe 32 to move, so that the first blocking block 34 blocks the first through hole 23, and the second through hole 24 is opened, so that the air enters the first holding tank 39 from the second through hole 24, under this condition, the liquid medicine in the injection pipe 11 is injected rapidly, meanwhile, the excess gas in the second receiving groove 40 is discharged out of the needleless injector 3 from the third through hole 27, the first air passage 25 and the second air passage 26, and finally the trigger 31 is released, and the air inlet assembly 43 is reset under the action of the second spring 36, so that the injection is completed.
The working principle is as follows: firstly, before injecting the liquid medicine, a worker prepares liquid storage mechanisms with corresponding quantity according to different types of medicaments required to be mixed, then prepares corresponding micro air sources to be fixedly arranged on an air inlet 19 of the liquid storage mechanisms, then prepares air sources to be placed beside a needleless injector 3, next, the worker adjusts a knob 30 on a liquid injection assembly 42 according to the quantity of the required liquid medicine to be injected, then inspects the sealing performance of a liquid storage device 1, a liquid mixing device 2 and the needleless injector 3, opens a liquid storage cover 17 after the inspection is finished, adds different types of medicaments into different liquid storage pipes 16 in the liquid storage device 1, then uses medicaments with different proportions to be mixed according to the requirement, injects gases with different proportions into each liquid storage pipe 16, and controls an electric control pressure relief valve 21 to adjust and exhaust through a controller 5 if the gases have errors, meanwhile, the gas source beside the needleless injector 3 ventilates the second holding tank 40, at this time, when the second through hole 24 is blocked by the second blocking block 35, the gas enters the second holding tank 40 through the gas inlet pipe 32 and the strip-shaped through groove 38, and enters the first holding tank 39 through the first through hole 23, at this time, the liquid injection assembly 42 is in a state of preparing liquid injection, when the trigger 31 presses the abutment 33, and simultaneously, the micro-control switch 37 senses the gas, so that the controller 5 controls to open the solenoid valve 18, the liquid medicine enters the liquid mixing pipe 6, due to the pressure difference, the liquid medicine in the liquid mixing pipe 6 enters the injection pipe 11 after being mixed and stirred, at the same time, the abutment 33 drives the gas inlet pipe 32 to move, so that the first blocking block 34 blocks the first through hole 23, and the second through hole 24 is opened, so that the gas enters the first holding tank 39 from the second through hole 24, under this condition, the liquid medicine in the syringe 11 is injected rapidly, meanwhile, the redundant gas in the second containing groove 40 is discharged out of the needle-free injector 3 from the third through hole 27, the first air passage 25 and the second air passage 26, finally the trigger 31 is released, and the air inlet assembly 43 is reset under the action of the second spring 36, thereby completing the injection.
It should be understood that the above-described embodiments are merely preferred embodiments of the invention and the technical principles applied thereto. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, such variations are within the scope of the invention as long as they do not depart from the spirit of the invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.
Claims (8)
1. A veterinary needle-free injector capable of mixing multiple medicines is characterized in that: the device comprises a liquid storage device (1), a liquid mixing device (2) and a needleless injector (3), wherein the needleless injector (3) is pistol-shaped, the liquid mixing device (2) is fixedly arranged at the upper end of the needleless injector (3), the liquid storage device (1) is fixedly arranged above the liquid mixing device (2), a first air source (4) is arranged beside the needleless injector (3), the first air source (4) is connected with the needleless injector (3) through a hose, a controller (5) is arranged at the upper end of the needleless injector (3), the controller (5) is fixedly arranged at one side of the liquid mixing device (2) far away from the output end of the needleless injector (3), the liquid mixing device (2) comprises a liquid mixing pipe (6), a first stirring blade ring (7) and a second stirring blade ring (8), the liquid mixing pipe (6) is cylindrical, the liquid mixing pipe (6) is arranged at the upper end of the needleless injector (3) in a horizontal state, first stirring leaf circle (7) and second stirring leaf circle (8) all rotate the inside that sets up in mixing liquid pipe (6) to first stirring leaf circle (7) and second stirring leaf circle (8) all set up the one end at neighbour needleless syringe (3) output, and stock solution device (1) includes a plurality of liquid storage mechanisms of group, and a plurality of liquid storage mechanisms equidistance of group are fixed to be set up directly over mixing liquid pipe (6).
2. The multiple-dose mixable needle-less injector for veterinary use according to claim 1, wherein: the upper end of the needleless injector (3) is fixedly provided with a rectangular containing groove (9), the liquid mixing pipe (6) is clamped in the rectangular containing groove (9) through a first spring (10), the output end of the needleless injector (3) is provided with an injection pipe (11), the injection pipe (11) is provided with a liquid inlet pipe (12), the upper end of one end, close to the injection pipe (11), of the liquid mixing pipe (6) is provided with a liquid outlet pipe (13), and the liquid outlet pipe (13) is fixedly connected with the liquid inlet pipe (12) through a hose.
3. The multiple-dose mixable needle-less injector for veterinary use according to claim 1, wherein: first stirring leaf circle (7) and second stirring leaf circle (8) interval antiport set up inside liquid mixing pipe (6) of neighbour drain pipe (13), and first stirring leaf circle (7) and second stirring leaf circle (8) are all closely contradicted on the inner wall of liquid mixing pipe (6), be provided with a plurality of circles on the outer wall of first stirring leaf circle (7) and second stirring leaf circle (8) and be used for on liquid mixing pipe (6) inner wall pivoted ball (14), the upper end equidistance of liquid mixing pipe (6) is provided with inlet (15) that a plurality of is used for with stock solution mechanism intercommunication.
4. The multiple-dose mixable needle-less injector for veterinary use according to claim 3, wherein: the liquid storage mechanism of a plurality of groups includes a plurality of liquid storage pipe (16) and a plurality of liquid storage lid (17), liquid storage pipe (16) are cylindricly, a plurality of liquid storage pipe (16) are the top that vertical state set up at a plurality of inlet (15), and the bottom of a plurality of liquid storage pipe (16) all is through a plurality of solenoid valve (18) and inlet (15) fixed connection, the equal threaded connection in the upper end of a plurality of liquid storage pipe (16) of a plurality of liquid storage lid (17), the upper end of a plurality of liquid storage lid (17) all is provided with a plurality of air inlet (19) and a plurality of gas outlet (20), the upper end of a plurality of gas outlet (20) all is provided with the automatically controlled relief valve (21) that a plurality of is used for controlling the gas.
5. The multiple-dose mixable needle-less injector for veterinary use according to claim 2, wherein: needleless injector (3) includes cavity (22) in the top, cavity (41) in the bottom, annotate liquid subassembly (42) and admit air subassembly (43), it is cylindricly to go up cavity (22), it sets up the lower extreme at rectangle holding tank (9) along rectangle holding tank (9) length direction is fixed to go up cavity (22), lower cavity (41) are the L cubic, cavity (41) are along the fixed below that sets up at last cavity (22) of length direction of last cavity (22) down, the inside of going up cavity (22) is provided with along first holding tank (39) that last cavity (22) length direction link up, annotate liquid subassembly (42) and seal and set up in first holding tank (39), the inside of cavity (41) is provided with along second holding tank (40) that cavity (41) length direction link up down, admit air subassembly (43) seal and set up in second holding tank (40).
6. The multiple-dose mixable needle-less injector for veterinary use according to claim 5, wherein: go up cavity (22) and all offer first through-hole (23) and second through-hole (24) that are used for the business turn over gas with the both ends of lower cavity (41) junction, first air passage (25) parallel with second holding tank (40) are offered to the below of second holding tank (40), the below of first air passage (25) is provided with second air passage (26) that link up with first air passage (25) perpendicularly, third through-hole (27) that are used for ventilating are all offered to the both ends department of first air passage (25) and second holding tank (40).
7. The multiple-dose mixable needle-less injector for veterinary use according to claim 5, wherein: annotate liquid subassembly (42) including magnetism thrust piston (28) and pure iron locating part (29), magnetism thrust piston (28) and pure iron locating part (29) all seal the setting in first holding tank (39), and magnetism thrust piston (28) are sealed to be contradicted on the inner wall of first holding tank (39), the one end that magnetism thrust piston (28) were kept away from in pure iron locating part (29) is provided with knob (30), knob (30) and first holding tank (39) threaded connection, it is provided with trigger (31) to go up the below of cavity (22) neighbour syringe (11) one end.
8. The multiple-dose mixable needle-less injector for veterinary use according to claim 5, wherein: the air inlet assembly (43) comprises an air inlet pipeline (32) and a support column (33), the air inlet pipeline (32) is arranged in the second accommodating groove (40) in a sealing mode, the support column (33) is fixedly arranged on the air inlet pipeline (32) close to one end of the injection tube (11), the air inlet pipeline (32) is in a hollow cylindrical shape, a strip-shaped through groove (38) used for ventilation is formed in the middle of the air inlet pipeline (32) towards the upper end, a first blocking block (34) and a second blocking block (35) are arranged at two ends of the air inlet pipeline (32) respectively, the first blocking block (34) and the second blocking block (35) are abutted to the inner wall of the second accommodating groove (40), the second block (35) is hollow, a second spring (36) for resetting is arranged between the second block (35) and one end of the lower cavity (41), a micro-control switch (37) is arranged on the lower cavity (41), and the micro-control switch (37) is fixedly arranged right below the support column (33).
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| CN201911007852.2A CN110721369B (en) | 2019-10-22 | 2019-10-22 | Multi-medicine-mixed needle-free injector for animals |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911007852.2A CN110721369B (en) | 2019-10-22 | 2019-10-22 | Multi-medicine-mixed needle-free injector for animals |
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| CN110721369B CN110721369B (en) | 2022-08-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112251752A (en) * | 2020-12-23 | 2021-01-22 | 成都裕鸢航空零部件制造有限公司 | Method for removing broken tap or broken screw and filling device |
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| CN107537363A (en) * | 2017-10-18 | 2018-01-05 | 李欢欢 | A kind of quantitative mixing apparatus of medical use liquid medicament |
| CN207055570U (en) * | 2016-12-09 | 2018-03-02 | 隗金玲 | Syringe for veterinary use |
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| US5674195A (en) * | 1995-02-06 | 1997-10-07 | Truthan; Charles Edwin | Syringe apparatus and method of mixing liquid medicants within a syringe |
| CN101428159A (en) * | 2007-11-09 | 2009-05-13 | 沈阳航天新光低温容器制造有限责任公司 | Injector without needle for animals |
| CN207055570U (en) * | 2016-12-09 | 2018-03-02 | 隗金玲 | Syringe for veterinary use |
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| CN110721369B (en) | 2022-08-30 |
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