CN112604088B - Powder injection quick injector - Google Patents
Powder injection quick injector Download PDFInfo
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- CN112604088B CN112604088B CN202110022722.7A CN202110022722A CN112604088B CN 112604088 B CN112604088 B CN 112604088B CN 202110022722 A CN202110022722 A CN 202110022722A CN 112604088 B CN112604088 B CN 112604088B
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- shaft
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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
- A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
- A61M5/204—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically connected to external reservoirs for multiple refilling
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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
- A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
- A61M5/2066—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically comprising means for injection of two or more media, e.g. by mixing
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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
- A61M5/31—Details
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- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
The invention discloses a powder injection quick injector, which comprises a shell, wherein a working cavity is arranged in the shell, a dilution injection mechanism is arranged in the working cavity, a diluent extraction cavity is arranged in the working cavity, a first threaded piston cylinder is slidably arranged in the diluent extraction cavity, and threads are arranged in the first threaded piston cylinder.
Description
Technical Field
The invention relates to the field of medicine injection, in particular to a powder injection rapid injector.
Background
As is well known, powder injection is a powdery product formed by mixing a medicine with a reagent and then sterilizing and drying, so that the powder injection is convenient to transport and store. When the powder injection is applied, the glucose solution is used for dilution injection, the injection can be directly injected according to different dosage, the powder is more complicated to use than the conventional medicine injection because of the need of dilution, and the injection needs to be diluted every time, so that a large amount of time is consumed, the injection efficiency is low, and the quick injection cannot be realized.
Therefore, a powder injection rapid injector is needed to solve the above problems.
Disclosure of Invention
The invention aims to provide a powder injection rapid injector which is used for overcoming the defects in the prior art.
The invention is realized by the following technical scheme. The invention relates to a powder injection quick injector, which comprises a shell, wherein a working cavity is arranged in the shell;
the working cavity is internally provided with a dilution injection mechanism, the working cavity is internally provided with a diluent extraction cavity, a first threaded piston cylinder is slidably arranged in the diluent extraction cavity, threads are arranged in the first threaded piston cylinder, a second threaded piston cylinder extending to the working cavity is arranged in the first threaded piston cylinder, the second threaded piston cylinder can be meshed with the first threaded piston cylinder, threads are arranged in the second threaded piston cylinder, a first threaded piston is arranged in the second threaded piston cylinder, the first threaded piston can be meshed with the second threaded piston cylinder, a dilution fixing shaft extending to the working cavity is fixedly arranged at the upper end of the first threaded piston, a first bevel gear is fixedly arranged at the upper end of the dilution fixing shaft in the working cavity, a first power rotating shaft is rotatably arranged on a shell positioned at the left side of the first bevel gear, the right end of the first power rotating shaft is fixedly provided with a second bevel gear which can be meshed with the first bevel gear, the left end of the first power rotating shaft is fixedly provided with a third bevel gear, a motor is arranged on the shell at the lower side of the third bevel gear in a sliding manner, the lower end of the motor is rotatably provided with a second power rotating shaft penetrating through the motor, the upper end of the second power rotating shaft is fixedly provided with a fourth bevel gear which can be meshed with the third bevel gear, the shell at the left side of the motor is internally provided with an injection cavity, the left end of the injection cavity is provided with an injection needle tube extending out of the shell, an injection piston rod extending to the working cavity is arranged in the injection cavity in a sliding manner, the front end of the injection piston rod is provided with a rack, the second power rotating shaft at the upper side of the injection piston rod is fixedly provided with a first gear, under certain conditions, first gear can with the rack meshing of injection piston rod front end, be located the motor right side be equipped with automatically controlled hydraulic stem on the shell, automatically controlled hydraulic stem upper end with motor fixed connection, automatically controlled hydraulic stem can control the motor slides from top to bottom, is located the second power pivot downside the shell is gone up to rotate and is equipped with first lead screw, first lead screw with be equipped with first shaft coupling between the second power pivot, the second power pivot with first lead screw can pass through first shaft coupling connection, be equipped with first nut on the first lead screw, first nut can with first lead screw meshing, first nut front end is equipped with the slide shaft, be located first lead screw right side the shell is gone up to rotate and is equipped with first pivot, the fixed first connecting rod that is equipped with in the first pivot, the slide shaft of first nut front end can be in the first connecting rod left end that belongs to slide, be located the diluent draws the shell of chamber upper end and is equipped with first shaft coupling to the first side of extension to the side of syringe needle tube, the left side is equipped with the first syringe slide groove is equipped with the first syringe slide, the side is equipped with the first syringe slide groove extends to the syringe.
Preferably, the working chamber contains a dressing change mechanism, a pressing plate is arranged on the shell at the lower side of the sliding chute, the mixed liquid extracting needle and the diluting needle tube can slide in the pressing plate, a second sliding block is arranged on the shell at the lower side of the pressing plate in a sliding manner, a spring is arranged between the second sliding block and the shell, a carrying fixing shaft is fixedly arranged on the second sliding block, a second gear is arranged on the carrying fixing shaft, a carrying plate is rotationally arranged on the carrying fixing shaft at the front end of the second gear, the carrying plate is fixedly connected with the second gear, a torsion spring is arranged between the carrying plate and the carrying fixing shaft, a separation resisting plate is arranged on the shell at the right side of the carrying fixing shaft in a sliding manner, a rack is fixedly arranged at the lower end of the separation resisting plate, the rack can slide in the shell, a spring is arranged between the rack and the shell, a second belt pulley is rotationally arranged on the shell positioned at the left side of the rack, a second rotating shaft is rotationally arranged on the shell positioned at the lower side of the second belt pulley, a first belt pulley is fixedly arranged on the second rotating shaft, a third gear is fixedly arranged on the second rotating shaft positioned at the front side of the first belt pulley, the third gear can be meshed with the rack, a toothed belt is arranged between the first belt pulley and the second belt pulley, under certain conditions, the second gear can be meshed with the toothed belt, a powder injection bottle is arranged on the carrying plate, a powder injection is stored on the right side of the separating and resisting plate, a cover is arranged at the right end of the shell, a spring plate is arranged at the left end of the cover and is used for pressing the powder injection under the action of the spring, a first pulley is arranged on the shell positioned at the lower side of the second sliding block, the novel pulley is characterized in that a second pulley is arranged in the shell on the left side of the first pulley, a third rotating shaft is arranged in the shell on the upper side of the second pulley in a rotating mode, a winding wheel is fixedly arranged on the third rotating shaft, a fifth bevel gear is fixedly arranged on the third rotating shaft on the front side of the winding wheel, a sixth bevel gear is fixedly arranged at the lower end of the first screw rod on the upper side of the fifth bevel gear, the sixth bevel gear can be meshed with the fifth bevel gear, and a first pull rope finally fixed on the winding wheel through the first pulley and the second pulley is fixedly arranged at the lower end of the second sliding block.
Preferably, the shell on the right side of the working cavity is internally provided with a diluent cavity, the upper end of the diluent cavity is provided with a threaded cover, the threaded cover can be meshed with the shell, the shell on the left side of the diluent cavity is internally provided with a bilaterally symmetrical spring pressing plate which extends to the diluent cavity, the shell on the left side of the spring pressing plate is slidably provided with a third sliding block, a fifth connecting rod is hinged between the third sliding block and the shell through a trough, a sliding shaft at the left end of the spring pressing plate can slide in the fifth connecting rod, the shell on the right side of the third sliding block is rotatably provided with a third pulley, the lower end of the diluent cavity is slidably provided with a trigger plate, the lower end of the trigger plate is fixedly provided with a spring sliding rod, the shell on the lower side of the trigger plate is slidably provided with a diluent needle, the shell on the right side of the diluent needle is rotatably provided with a fourth connecting rod, the left and right ends of the fourth connecting rod are respectively hinged with the diluent needle and the spring sliding rod, the third connecting rod is fixedly provided with a diluent extracting guide pipe on the third connecting rod to the lower end of the diluent cavity through the third connecting rod.
The invention has the beneficial effects that: the invention has simple structure and simple operation, can automatically dilute and inject the powder injection, can automatically replace a new medicine bottle to continuously supply medicine after the injection is finished, thereby realizing rapid and convenient continuous injection.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from these drawings without inventive effort for a person skilled in the art.
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A;
FIG. 3 is an enlarged schematic view of the structure of B in FIG. 1;
FIG. 4 is an enlarged schematic view of the structure of FIG. 1C;
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, wherein for convenience of description, the orientations described below are now defined as follows: the vertical, horizontal, front-rear directions described below are identical to the vertical, horizontal, front-rear directions of the projection relationship of fig. 1 itself.
A powder injection quick injector as described with reference to fig. 1-4, comprising a housing 10, wherein a working chamber 11 is provided in the housing 10, a dilution injection mechanism 80 is provided in the working chamber 11, a first threaded piston cylinder 33 is provided in the diluent extraction chamber 37 in a sliding manner, a second threaded piston cylinder 34 extending to the working chamber 11 is provided in the first threaded piston cylinder 33, the second threaded piston cylinder 34 can be engaged with the first threaded piston cylinder 33, threads are provided in the second threaded piston cylinder 34, a first threaded piston 35 is provided in the second threaded piston cylinder 34, the first threaded piston 35 can be engaged with the second threaded piston cylinder 34, a dilution fixing shaft 32 extending to the working chamber 11 is fixedly provided at the upper end of the first threaded piston 35, a first bevel gear 31 is fixedly arranged at the upper end of the dilution fixing shaft 32 in the working cavity 11, a first power rotating shaft 29 is rotatably arranged on the housing 10 positioned at the left side of the first bevel gear 31, a second bevel gear 30 is fixedly arranged at the right end of the first power rotating shaft 29, the second bevel gear 30 can be meshed with the first bevel gear 31, a third bevel gear 28 is fixedly arranged at the left end of the first power rotating shaft 29, a motor 21 is slidingly arranged on the housing 10 positioned at the lower side of the third bevel gear 28, a second power rotating shaft 20 penetrating through the motor 21 is rotatably arranged at the lower end of the motor 21, a fourth bevel gear 27 is fixedly arranged at the upper end of the second power rotating shaft 20, the fourth bevel gear 27 can be meshed with the third bevel gear 28, an injection cavity 25 is arranged in the housing 10 positioned at the left side of the motor 21, the left end of the injection cavity 25 is provided with an injection needle tube extending out of the shell 10, an injection piston rod 24 extending to the working cavity 11 is arranged in the injection cavity 25 in a sliding manner, the front end of the injection piston rod 24 is provided with a rack, a first gear 26 is fixedly arranged on the second power rotating shaft 20 positioned on the upper side of the injection piston rod 24, under certain conditions, the first gear 26 can be meshed with the rack positioned on the front end of the injection piston rod 24, the shell 10 positioned on the right side of the motor 21 is provided with an electric control hydraulic rod 19, the upper end of the electric control hydraulic rod 19 is fixedly connected with the motor 21, the electric control hydraulic rod 19 can control the motor 21 to slide up and down, a first screw rod 42 is rotatably arranged on the shell 10 positioned on the lower side of the second power rotating shaft 20, a first coupler 18 is arranged between the first screw rod 42 and the second power rotating shaft 20, the second power rotating shaft 20 and the first screw rod 42 can be connected through the first coupling 18, a first nut 43 is arranged on the first screw rod 42, the first nut 43 can be meshed with the first screw rod 42, a sliding shaft is arranged at the front end of the first nut 43, a first rotating shaft 45 is rotatably arranged on the shell 10 positioned at the right side of the first screw rod 42, a first connecting rod 44 is fixedly arranged on the first rotating shaft 45, the sliding shaft at the front end of the first nut 43 can slide at the left end of the first connecting rod 44, a dilution needle tube 51 extending to the working cavity 11 is arranged on the shell 10 positioned at the lower end of the diluent extracting cavity 37, a sliding groove 46 is arranged on the shell 10 positioned at the left side of the dilution needle tube 51, a first sliding block 47 is arranged in a sliding manner, a mixed liquid extracting needle 49 is arranged at the lower end of the first sliding block 47, the sliding groove 46 positioned at the left side of the first sliding block 47 is provided with an injection input pipe 50 connected to the injection cavity 25, the injection input pipe 50 is in butt joint with the mixed liquid extraction needle 49, the left end of the first sliding block 47 is provided with a second connecting rod 48 extending to the working cavity 11, and a sliding shaft at the left end of the second connecting rod 48 can slide at the right end of the first connecting rod 44.
The working chamber 11 comprises a dressing change mechanism 82, a pressing plate 12 is arranged on the housing 10 positioned at the lower side of the sliding chute 46, the mixed solution extracting needle 49 and the dilution needle tube 51 can slide in the pressing plate 12, a second sliding block 64 is arranged on the housing 10 positioned at the lower side of the pressing plate 12 in a sliding manner, a spring is arranged between the second sliding block 64 and the housing 10, a carrier fixing shaft 63 is fixedly arranged on the second sliding block 64, a second gear 65 is arranged on the carrier fixing shaft 63, a carrier plate 62 is rotatably arranged on the carrier fixing shaft 63 positioned at the front end of the second gear 65, a torsion spring is arranged between the carrier plate 62 and the second gear 65, a separation retaining plate 66 is arranged on the housing 10 positioned at the right side of the carrier fixing shaft 63 in a sliding manner, a rack 67 is fixedly arranged at the lower end of the separation retaining plate 66, the rack 67 can slide in the housing 10, a rack 67 is arranged on the side of the first retaining plate 67, a second rotary shaft 68 is arranged on the second retaining plate 68, a third rotary shaft 72 is arranged on the second rotary shaft 70, a rotary shaft 68 is arranged on the second rotary shaft 71, a third rotary shaft 72 is meshed with the second rotary shaft 71, a rotary shaft 68 is arranged on the second rotary shaft 71 is rotatably arranged on the second rotary shaft 68, a rotary shaft 71 is meshed with the second rotary shaft 71, a rotary shaft is meshed with the rotary shaft, and the rotary shaft is meshed with the rotary shaft. The right end of the shell 10 is provided with a cover 38, the left end of the cover 38 is provided with a spring plate 39, the spring plate 39 compresses powder injection under the action of a spring, the shell 10 positioned at the lower side of the second sliding block 64 is provided with a first pulley 40, the shell 10 positioned at the left side of the first pulley 40 is internally provided with a second pulley 41, the shell 10 positioned at the upper side of the second pulley 41 is internally provided with a third rotating shaft 14 in a rotating way, the third rotating shaft 14 is fixedly provided with a reel 16, the third rotating shaft 14 positioned at the front side of the reel 16 is fixedly provided with a fifth bevel gear 15, the lower end of a first lead screw 42 positioned at the upper side of the fifth bevel gear 15 is fixedly provided with a sixth bevel gear 17, the sixth bevel gear 17 can be meshed with the fifth bevel gear 15, and the lower end of the second sliding block 64 is fixedly provided with a first pull rope 53 which is finally fixed on the reel 16 through the first pulley 40 and the second pulley 41.
Advantageously, the housing 10 located on the right side of the working chamber 11 contains a diluent chamber 13, a threaded cover 36 is provided at the upper end of the diluent chamber 13, the threaded cover 36 can be meshed with the housing 10, a bilaterally symmetrical spring pressing plate 22 extending to the diluent chamber 13 is provided in the housing 10 located on the left side of the diluent chamber 13, a third slider 52 is slidably provided on the housing 10 located on the left side of the spring pressing plate 22, a fifth connecting rod 56 is hinged between the third slider 52 and the housing 10 through a groove, a sliding shaft at the left end of the spring pressing plate 22 can slide in the fifth connecting rod 56, a third pulley 54 is rotatably provided on the housing 10 located on the right side of the third slider 52, a trigger plate 57 is slidably provided at the lower end of the diluent chamber 13, a spring sliding rod 58 is fixedly provided at the lower end of the trigger plate 57, a diluent needle 59 is slidably provided on the housing 10 located on the left side of the spring pressing plate 22, a fourth connecting rod 60 is rotatably provided on the housing 10 located on the right side of the diluent needle 59, a fourth connecting rod 60 is rotatably provided at the lower end of the trigger plate 58, and the third connecting rod is rotatably connected with the third connecting rod 54, and the diluent needle 59 is rotatably provided at the lower end of the third connecting rod 55.
The following describes the steps used herein in detail with reference to fig. 1 to 4:
initial state:
the position relation is shown in the figure, a diluent bottle is placed in the diluent cavity 13, then the threaded cover 36 is screwed, the diluent bottle presses the trigger plate 57 to descend under the action of the threaded cover 36, the trigger plate 57 moves to drive the second pull rope 55, the second pull rope 55 pulls the third slide block 52 to slide, the third slide block 52 slides to drive the spring pressing plate 22 to clamp the diluent bottle, the trigger plate 57 descends to drive the spring slide rod 58 to descend, and the spring slide rod 58 moves to insert the diluent needle 59 into the diluent bottle under the action of the fourth connecting rod 60.
Working relation:
the diluted powder injection is injected, the motor 21 is started, the motor 21 rotates to drive the second power rotating shaft 20 to rotate, the second power rotating shaft 20 rotates to drive the first gear 26 and the fourth bevel gear 27 to rotate, the fourth bevel gear 27 rotates to drive the third bevel gear 28 to rotate, the third bevel gear 28 rotates to drive the first power rotating shaft 29 to rotate, the first power rotating shaft 29 rotates to drive the second bevel gear 30 to rotate, the second bevel gear 30 rotates to drive the first bevel gear 31 to rotate, the first bevel gear 31 rotates to drive the dilution fixing shaft 32, the dilution fixing shaft 32 rotates to drive the first threaded piston 35 to rotate, the first threaded piston 35 rotates to drive the first threaded piston cylinder 33 and the second threaded piston cylinder 34 to rise to suck the diluent, then the motor 21 rotates reversely, the diluent is injected into the powder injection bottle through the dilution needle tube 51, and the motor 21 is closed.
The powder injection is injected, the electric control hydraulic rod 19 is started, the motor 21 is driven to slide downwards until the first gear 26 is meshed with the injection piston rod 24, the motor 21 is started, the first gear 26 rotates to drive the injection piston rod 24 to slide rightwards, the liquid medicine in the powder injection bottle is sucked into the injection cavity 25 through the mixed liquid extracting needle 49 and the injection input tube 50, the injection needle is inserted into a patient, the motor 21 is reversely rotated for injection, and the motor 21 is closed after injection.
Automatically replacing, the electric control hydraulic rod 19 continues to be pulled downwards until the first coupler 18 is meshed, the motor 21 is started, the second power rotating shaft 20 rotates to drive the first coupler 18 to rotate, the first coupler 18 rotates to drive the first screw rod 42 to rotate, the first screw rod 42 rotates to drive the first nut 43 to descend, the first nut 43 rotates to drive the first connecting rod 44 to rotate around the first rotating shaft 45, the first rotating shaft 45 rotates to drive the first sliding block 47 to move upwards in the sliding groove 46, the first sliding block 47 moves to drive the mixed liquid extracting needle 49 to be extracted, the first screw rod 42 rotates to drive the sixth bevel gear 17 to rotate, the sixth bevel gear 17 rotates to drive the fifth bevel gear 15 to rotate, the fifth bevel gear 15 rotates to drive the third rotating shaft 14 to rotate, the third rotating shaft 14 rotates to drive the winding wheel 16 to rotate to tighten the first pull rope 53, the first pull rope 53 tightens the second sliding block 64 to be pulled down, when the second gear 65 moves downwards to engage with the toothed belt 72, the toothed belt 72 is not rotated because the rack 67 is clamped by the 10 at the top and cannot rise under the action of the spring, the second gear 65 rotates under the action of the toothed belt 72, the second gear 65 rotates to drive the carrier plate 62 to rotate to discharge the waste powder injection bottles, then the motor 21 reverses, the second slider 64 rises under the action of the spring, the second gear 65 pushes the toothed belt 72 to rotate under the action of the torsion spring, the toothed belt 72 rotates to drive the first pulley 71 to rotate, the first pulley 71 rotates to drive the third gear 70 to rotate, the third gear 70 rotates to drive the rack 67 to descend, the rack 67 moves to drive the separation plate 66 to move, a new powder injection bottle is pushed onto the carrier plate 62 under the action of the spring plate 39, the second gear 65 does not engage with the toothed belt 72 when the second slider 64 rises to the top, the partition retaining plate 66 is lifted up to be blocked by the spring.
The invention has the beneficial effects that: the invention has simple structure and simple operation, can automatically dilute and inject the powder injection, can automatically replace a new medicine bottle to continuously supply medicine after the injection is finished, thereby realizing rapid and convenient continuous injection.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the present invention and implement it without limiting the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (2)
1. The utility model provides a powder injection quick injector, includes shell, its characterized in that: a working cavity is arranged in the shell; the working cavity is internally provided with a dilution injection mechanism, the working cavity is internally provided with a diluent extraction cavity, a first threaded piston cylinder is slidably arranged in the diluent extraction cavity, threads are arranged in the first threaded piston cylinder, a second threaded piston cylinder extending to the working cavity is arranged in the first threaded piston cylinder, the second threaded piston cylinder can be meshed with the first threaded piston cylinder, threads are arranged in the second threaded piston cylinder, a first threaded piston is arranged in the second threaded piston cylinder, the first threaded piston can be meshed with the second threaded piston cylinder, a dilution fixing shaft extending to the working cavity is fixedly arranged at the upper end of the first threaded piston, a first bevel gear is fixedly arranged at the upper end of the dilution fixing shaft in the working cavity, a first power rotating shaft is rotatably arranged on a shell positioned at the left side of the first bevel gear, the right end of the first power rotating shaft is fixedly provided with a second bevel gear which can be meshed with the first bevel gear, the left end of the first power rotating shaft is fixedly provided with a third bevel gear, a motor is arranged on the shell at the lower side of the third bevel gear in a sliding manner, the lower end of the motor is rotatably provided with a second power rotating shaft penetrating through the motor, the upper end of the second power rotating shaft is fixedly provided with a fourth bevel gear which can be meshed with the third bevel gear, the shell at the left side of the motor is internally provided with an injection cavity, the left end of the injection cavity is provided with an injection needle tube extending out of the shell, an injection piston rod extending to the working cavity is arranged in the injection cavity in a sliding manner, the front end of the injection piston rod is provided with a rack, the second power rotating shaft at the upper side of the injection piston rod is fixedly provided with a first gear, under certain conditions, the first gear can be meshed with a rack at the front end of an injection piston rod, an electric control hydraulic rod is arranged on the shell at the right side of the motor, the upper end of the electric control hydraulic rod is fixedly connected with the motor, the electric control hydraulic rod can control the motor to slide up and down, a first screw rod is rotatably arranged on the shell at the lower side of the second power rotating shaft, a first coupler is arranged between the first screw rod and the second power rotating shaft, the second power rotating shaft and the first screw rod can be connected through the first coupler, a first nut is arranged on the first screw rod, the first nut can be meshed with the first screw rod, a sliding shaft is arranged at the front end of the first nut, a first rotating shaft is rotatably arranged on the shell at the right side of the first screw rod, a first connecting rod is fixedly arranged on the first rotating shaft, the sliding shaft at the front end of the first nut can slide at the left end of the first connecting rod, a first connecting rod is arranged on the left end of the shell at the lower end of a diluent extraction cavity, a first sliding sleeve is arranged at the left end of the first connecting rod and extends to the left end of the first connecting rod, a first sliding sleeve is arranged at the left end of the first connecting rod, a sliding sleeve extends to the first sliding sleeve, a sliding sleeve is arranged at the first sliding sleeve is arranged at the left end of the first sliding sleeve, and extends to the first sliding sleeve end of the first sliding sleeve is arranged at the first sliding sleeve end; the working cavity is internally provided with a dressing change mechanism, a pressing plate is arranged on the shell which is positioned at the lower side of the sliding groove, the mixed solution extracting needle and the diluting needle tube can slide in the pressing plate, a second sliding block is arranged on the shell which is positioned at the lower side of the pressing plate in a sliding manner, a spring is arranged between the second sliding block and the shell, a carrying fixed shaft is fixedly arranged on the second sliding block, a second gear is arranged on the carrying fixed shaft, the carrying plate is fixedly connected with the second gear, a torsion spring is arranged between the carrying plate and the carrying fixed shaft, a separation retaining plate is arranged on the shell which is positioned at the right side of the carrying fixed shaft in a sliding manner, a rack is fixedly arranged at the lower end of the separation retaining plate, the rack can slide in the shell, a spring is arranged between the rack and the shell, a second belt pulley is fixedly arranged on the shell which is positioned at the left side, a second belt pulley is rotatably arranged on the carrying fixed shaft, a second belt pulley is fixedly arranged on the shell which is positioned at the lower side of the second belt pulley, a second belt pulley is rotatably arranged on the second belt pulley, a second belt pulley is fixedly arranged on the side of the carrier retaining plate, a rotary shaft is fixedly arranged on the rotary shaft which is in the rotary shaft, a toothed plate is fixedly arranged on the rotary shaft is meshed with a third belt pulley, a toothed plate is fixedly arranged on the rotary shaft is arranged on the rotary shaft, a belt is fixedly arranged on the rotary shaft is meshed with the rotary shaft, a toothed plate is arranged on the rotary shaft, a belt is fixedly arranged on the rotary shaft, a belt is meshed with the rotary belt is, a belt is arranged on the rotary belt is, a belt is and a cover is fixedly arranged on the rotary belt, and a belt is meshed with a belt, and a cover is meshed with the rotary belt, and a belt is and a cover, and a cover is and. The novel pulley is characterized in that a second pulley is arranged in the shell on the left side of the first pulley, a third rotating shaft is arranged in the shell on the upper side of the second pulley in a rotating mode, a winding wheel is fixedly arranged on the third rotating shaft, a fifth bevel gear is fixedly arranged on the third rotating shaft on the front side of the winding wheel, a sixth bevel gear is fixedly arranged at the lower end of the first screw rod on the upper side of the fifth bevel gear, the sixth bevel gear can be meshed with the fifth bevel gear, and a first pull rope finally fixed on the winding wheel through the first pulley and the second pulley is fixedly arranged at the lower end of the second sliding block.
2. The rapid powder injection syringe of claim 1, wherein: the diluent extraction device comprises a shell, a diluent cavity, a threaded cover, a trigger plate, a spring slide rod, a diluent needle, a fourth connecting rod, a diluent needle, a fifth connecting rod, a sliding shaft, a third pulley, a diluent pulling rope and a diluent guide pipe, wherein the diluent cavity is arranged in the shell and positioned on the right side of the working cavity, the threaded cover is arranged at the upper end of the diluent cavity, the threaded cover can be meshed with the shell, the spring pressing plate which is arranged on the left side of the diluent cavity and is symmetrical left and right is arranged in the shell, the third sliding rod is arranged on the left side of the spring pressing plate in a sliding mode on the shell, the fifth connecting rod is arranged between the third sliding rod and the shell in a hinging mode through a groove, the sliding shaft at the left end of the spring pressing plate can slide in the fifth connecting rod, the third pulley is arranged on the shell on the right side of the third sliding rod in a rotating mode, the lower end of the diluent cavity is provided with the trigger plate in a sliding mode, the spring sliding rod is fixedly arranged at the lower end of the trigger plate, the fourth connecting rod is arranged on the shell in a sliding mode on the lower side of the trigger plate, the fourth connecting rod is rotatably arranged on the shell, the fourth connecting rod is hinged with the diluent needle, the diluent needle is hinged with the spring sliding rod, the fifth connecting rod is arranged on the shell, the fourth connecting rod is arranged on the shell, and the third connecting rod is connected with the diluent pulling rod and the diluent guide pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110022722.7A CN112604088B (en) | 2021-01-08 | 2021-01-08 | Powder injection quick injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110022722.7A CN112604088B (en) | 2021-01-08 | 2021-01-08 | Powder injection quick injector |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5039863A (en) * | 1988-11-15 | 1991-08-13 | Ube Industries, Ltd. | Automatic radioisotope filling apparatus |
| CN2148569Y (en) * | 1992-12-23 | 1993-12-08 | 田玮 | Disposable device for diluting medicament |
| CN2612385Y (en) * | 2003-01-21 | 2004-04-21 | 慕利民 | Automatic syringe with changeable powder and injection preparation |
| CN105455920B (en) * | 2016-01-15 | 2018-04-20 | 浙江康瑞器械科技股份有限公司 | A kind of vaccine dilutes liquid storage drencher |
| WO2019096904A1 (en) * | 2017-11-17 | 2019-05-23 | Sanofi | Mixing and/or reconstitution system |
| CN208559813U (en) * | 2018-05-22 | 2019-03-01 | 原子高科股份有限公司 | Radioactivity medical fluid dilution distribution instrument |
| CN211504944U (en) * | 2019-12-24 | 2020-09-15 | 南京清研六迪科学仪器有限公司 | Full-automatic single needle diluting device |
| CN111811919A (en) * | 2020-07-10 | 2020-10-23 | 北京莱伯泰科仪器股份有限公司 | Tandem injection pump set structure for diluting trace liquid sample |
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Effective date of registration: 20230706 Address after: 201318 Room 201, building 21, No. 1-28, Lane 588, Tianxiong Road, Pudong New Area, Shanghai Patentee after: Shanghai Rongdi Biotechnology Co.,Ltd. Address before: No.65 Jianning Road, Gulou District, Nanjing, Jiangsu 210037 Patentee before: Nanjing hukangdun Trading Co.,Ltd. |