CN113331983B - Quick inoculator of animal vaccine - Google Patents
Quick inoculator of animal vaccine Download PDFInfo
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- CN113331983B CN113331983B CN202110765465.6A CN202110765465A CN113331983B CN 113331983 B CN113331983 B CN 113331983B CN 202110765465 A CN202110765465 A CN 202110765465A CN 113331983 B CN113331983 B CN 113331983B
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- outer cylinder
- needle
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- cylinder body
- elastic piece
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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
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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
- A61M5/3129—Syringe barrels
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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
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod
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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
- A61M5/46—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 having means for controlling depth of insertion
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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
- A61M2250/00—Specially adapted for animals
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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)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Heart & Thoracic Surgery (AREA)
- Anesthesiology (AREA)
- Vascular Medicine (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention provides a rapid animal vaccine inoculator, and relates to the technical field of inoculators. The quick animal vaccine inoculator comprises an outer cylinder body with two open ends, wherein a needle cylinder is arranged in the outer cylinder body in a sliding manner, a needle head is arranged at one end of the needle cylinder, a piston is arranged in the needle cylinder in a sliding manner, and a piston rod is arranged in the piston; a first limiting component for limiting the needle cylinder is slidably arranged in the outer cylinder body; the outer cylinder is internally provided with a first elastic piece, one end of the first elastic piece is connected with the outer cylinder, and the other end of the first elastic piece is connected with the needle cylinder. By adopting the invention, the moving distance of the needle head can be adjusted to adjust the depth of the needle head inserted into the animal, thereby being convenient for vaccinating the animal and having convenient and quick operation.
Description
Technical Field
The invention relates to the technical field of inoculators, in particular to a rapid animal vaccine inoculator.
Background
Vaccines refer to biological products for vaccination made with a variety of pathogenic microorganisms. Vaccines in which bacteria or spirochetes are used are also known as bacterins. Vaccines are classified into live vaccines and killed vaccines. Common live vaccines include BCG vaccine, polio vaccine, measles vaccine, plague vaccine, etc. Common dead vaccines include pertussis vaccine, typhoid vaccine, epidemic encephalitis vaccine, cholera vaccine, etc. Vaccination is the most economical and effective public health intervention measure for preventing and controlling infectious diseases, and is an effective measure for reducing member disease occurrence and medical cost for families.
The vaccine is an automatic immune preparation for preventing infectious diseases, which is prepared by artificially attenuating, inactivating or utilizing transgenosis methods of pathogenic microorganisms (such as bacteria, rickettsia, viruses and the like) and metabolites thereof. The vaccine retains the characteristic of pathogenic bacteria for stimulating the immune system of animals. When the animal body contacts the pathogenic bacteria without injury, the immune system can generate certain protective substances such as immune hormone, active physiological substances, special antibodies and the like; when the animal comes into contact with the pathogenic bacteria again, the immune system of the animal body can follow the original memory of the animal body, and more protective substances are manufactured to prevent the pathogenic bacteria from being damaged.
Vaccination requires the use of a vaccination device consisting of a syringe with a small hole at the front end and a plunger rod matching it, for injecting small amounts of liquid or its extraction into areas inaccessible to other methods or from those places, liquid or gas being sucked in from the small hole at the front end of the syringe when the plunger rod is extracted and liquid or gas being extruded when the plunger rod is pushed in. The inoculator syringe can be plastic or glass and is typically provided with graduation indicators indicating the volume of liquid in the inoculator. Glass inoculators can be sterilized with an autoclave, but because of the lower processing costs of plastic inoculators, most modern medical inoculators are made of plastic, which also further reduces the risk of blood-borne diseases. The transmission of diseases, particularly HIV and hepatitis, among drug addicts who inject drugs intravenously is associated with the reuse of needles and inoculators.
In addition to human vaccination, many animals are now vaccinated. The animal and the human are different in vaccination, the human is vaccinated, and the insertion depth of the needle is generally the same and is relatively convenient. However, when different animals are vaccinated, the needle needs to be inserted to different depths, such as animals with large sizes, and the needle needs to be inserted to a larger depth; the needle needs to be inserted to a smaller depth in animals of small size. Moreover, many animals are also affected by their hair during needle insertion, too much hair can affect the depth of needle insertion. Thus, vaccination of animals is slow and is inconvenient for large batches of animals.
Disclosure of Invention
The invention aims to provide a rapid animal vaccine inoculator, which can adjust the moving distance of a needle head so as to adjust the depth of the needle head inserted into an animal, is convenient for inoculating the animal with the vaccine, and is convenient and rapid to operate.
Embodiments of the present invention are implemented as follows:
the embodiment of the application provides a rapid animal vaccine inoculator, which comprises an outer cylinder body with two open ends, wherein a needle cylinder is arranged in the outer cylinder body in a sliding manner, a needle head is arranged at one end of the needle cylinder, a piston is arranged in the needle cylinder in a sliding manner, and a piston rod is arranged in the piston; a first limiting component for limiting the needle cylinder is slidably arranged in the outer cylinder body; the outer cylinder is internally provided with a first elastic piece, one end of the first elastic piece is connected with the outer cylinder, and the other end of the first elastic piece is connected with the needle cylinder.
Further, in some embodiments of the present invention, the first limiting component includes a limiting slider slidably disposed in the outer cylinder, the limiting slider is provided with a first through hole, and the needle passes through the first through hole; the limiting slide block is provided with a locking component for locking the limiting slide block on the outer cylinder body, and the locking component is movably connected with the outer cylinder body.
Further, in some embodiments of the present invention, the locking assembly includes a fixing rod and a limiting sleeve sleeved outside the fixing rod; the side wall of the outer cylinder body is provided with a strip-shaped sliding hole penetrating through the side wall of the outer cylinder body along the sliding direction of the limit sliding block; the side wall of the outer cylinder body is provided with a plurality of clamping grooves at intervals along the sliding direction of the limit sliding block; one end of the fixed rod is fixed on the limit sliding block, the limit sleeve is sleeved on the other end of the fixed rod in a sliding way, and the limit sleeve is provided with a clamping plate matched with the clamping groove; the needle cylinder is provided with a poking block which penetrates through the strip-shaped sliding hole.
Further, in some embodiments of the present invention, a second elastic member is disposed in the limiting sleeve, one end of the second elastic member is fixed to the limiting sleeve, and the other end of the second elastic member is fixed to the fixing rod.
Further, in some embodiments of the present invention, a sucking disc is disposed at an end of the outer cylinder body near the needle; the sucking disc is provided with a second through hole through which the needle head passes.
Further, in some embodiments of the present invention, the outer cylinder is provided with a handle.
Further, in some embodiments of the present invention, the handle is movably provided with a second limiting component for preventing the syringe from sliding, and the second limiting component is movably connected with the syringe.
Further, in some embodiments of the present invention, the second limiting component includes a wrench and a limiting bump connected to each other, and the wrench is rotatably disposed on the handle; the outer side wall of the outer cylinder body is provided with a third through hole; a limit groove matched with the limit convex block is formed in the side wall of the needle cylinder; the limit bump penetrates through the third through hole and is embedded into the limit groove.
Further, in some embodiments of the present invention, the handle further includes a third elastic member, one end of the third elastic member is connected to the wrench, and the other end of the third elastic member is connected to the handle.
Further, in some embodiments of the present invention, the handle is provided with a support rod, and the support rod is provided with a guide cylinder; the piston rod slides through the guide cylinder.
Compared with the prior art, the embodiment of the invention has at least the following advantages or beneficial effects:
the embodiment of the invention provides a rapid animal vaccine inoculator, which comprises an outer cylinder body with two open ends, wherein a needle cylinder is arranged in the outer cylinder body in a sliding manner, a needle head is arranged at one end of the needle cylinder, a piston is arranged in the needle cylinder in a sliding manner, and a piston rod is arranged in the piston; a first limiting component for limiting the needle cylinder is slidably arranged in the outer cylinder body; the outer cylinder is internally provided with a first elastic piece, one end of the first elastic piece is connected with the outer cylinder, and the other end of the first elastic piece is connected with the needle cylinder.
When the syringe is in actual use, the piston rod is pulled, the piston rod drives the piston to move, vaccine liquid is sucked into the syringe, then the syringe is moved away from the first limiting component, the syringe compresses the first elastic element, the first elastic element accumulates elastic potential energy, and the needle moves into the outer cylinder.
The first limiting component slides along the outer cylinder to a proper place, then one end of the outer cylinder, which is close to the needle head, is placed on an animal body, and the needle cylinder is released; under the action of elastic potential energy accumulated by the first elastic piece, the first elastic piece pushes the needle cylinder to move, at the moment, the needle head moves out of the outer cylinder body and is inserted into the animal body, then the piston rod is pushed, and the piston rod pushes the piston to move so as to inject vaccine liquid into the animal body. Because the first spacing subassembly blocks, when the cylinder moved the position of first spacing subassembly, first spacing subassembly shelter from the cylinder and prevent that it from continuing to remove, and the syringe needle can not continue to remove this moment, has so guaranteed that the syringe needle removes the length of outer barrel certain. Therefore, according to different animals, the position difference of the first limiting component is adjusted to adjust the length of the needle moving out of the outer cylinder, so that the depth of the needle inserted into the animal is adjusted, the animal is conveniently vaccinated, and the operation is convenient and fast.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a partial cross-sectional view of an inoculant provided by an embodiment of the present invention during inoculation;
FIG. 2 is a partial cross-sectional view of an inoculant provided in an embodiment of the present invention prior to inoculation;
FIG. 3 is an enlarged view of FIG. 2 at A;
fig. 4 is a front view of a syringe provided by an embodiment of the present invention;
FIG. 5 is a schematic view of a partial structure of an outer cylinder according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a fixing rod and a limiting sleeve according to an embodiment of the present invention.
Icon: 1-an outer cylinder; 2-needle cylinder; 3-a needle; 4-a piston; 5-a piston rod; 6-a first elastic member; 7-limiting sliding blocks; 8-fixing rods; 9-a limit sleeve; 10-a bar-shaped slide hole; 11-a clamping groove; 12-clamping plates; 13-a second elastic member; 14-a poking block; 15-sucking discs; 16-handle; 17-a wrench; 18-limiting lugs; 19-a third through hole; 20-a limit groove; 21-a third elastic member; 22-supporting rods; 23-guiding cylinder.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which the product of the present invention is conventionally put when used, it is merely for convenience of describing the present invention and simplifying the description, and it does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, if any, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance.
Furthermore, the terms "horizontal," "vertical," and the like, if any, do not denote a requirement that the component be absolutely horizontal or vertical, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present invention, "plurality" means at least 2.
In the description of the embodiments of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Examples
Referring to fig. 1-6, the present embodiment provides a rapid animal vaccine inoculator, which comprises an outer cylinder 1 with two open ends, wherein a needle cylinder 2 is slidably arranged in the outer cylinder 1, a needle 3 is arranged at one end of the needle cylinder 2, a piston 4 is slidably arranged in the needle cylinder 2, and a piston rod 5 is arranged in the piston 4; a first limiting component for limiting the needle cylinder 2 is arranged in the outer cylinder 1 in a sliding manner; the outer cylinder 1 is provided with a first elastic member 6, one end of the first elastic member 6 is connected to the outer cylinder 1, and the other end of the first elastic member 6 is connected to the cylinder 2.
During actual use, the piston rod 5 is pulled, the piston rod 5 drives the piston 4 to move, vaccine liquid is sucked into the needle cylinder 2, then the needle cylinder 2 is moved away from the first limiting component, the needle cylinder 2 compresses the first elastic piece 6, the first elastic piece 6 accumulates elastic potential energy, and the needle head 3 moves into the outer cylinder 1.
The first limiting component slides along the outer cylinder body 1 to reach a proper place, then one end of the outer cylinder body 1 close to the needle head 3 is placed on an animal body, and the needle cylinder 2 is released; under the action of elastic potential energy accumulated by the first elastic piece 6, the first elastic piece 6 pushes the needle cylinder 2 to move, at the moment, the needle head 3 moves out of the outer cylinder body 1 and is inserted into an animal body, then the piston rod 5 is pushed, and the piston rod 5 pushes the piston 4 to move so as to inject vaccine liquid into the animal body. Due to the blocking of the first limiting component, when the needle cylinder 2 moves to the position of the first limiting component, the first limiting component shields the needle cylinder 2 from continuing to move, and at the moment, the needle head 3 cannot continue to move, so that the length of the needle head 3 moving out of the outer cylinder 1 is ensured to be certain. Therefore, according to different animals, the position difference of the first limiting component can be adjusted to adjust the length of the needle head 3 moving out of the outer cylinder body 1, so that the depth of the needle head 3 inserted into the animals can be adjusted, and the vaccination to the animals can be conveniently carried out, and the operation is convenient and quick. Alternatively, the first elastic member 6 of the present embodiment employs a spring.
As shown in fig. 1 to 6, in some embodiments of the present invention, the first limiting assembly includes a limiting slider 7 slidably disposed in the outer cylinder 1, the limiting slider 7 is provided with a first through hole, and the needle 3 passes through the first through hole; the limit slider 7 is provided with a locking assembly for locking the limit slider 7 to the outer cylinder 1, and the locking assembly is movably connected with the outer cylinder 1.
According to the invention, the first limiting component comprises the limiting slide block 7 which is slidably arranged in the outer cylinder body 1, so that the limiting slide block 7 can be slid to different positions to shield and limit the needle cylinder 2, and when the needle cylinder 2 moves to the position of the limiting slide block 7, the end part of the needle cylinder 2 is abutted with the limiting slide block 7 to prevent the needle cylinder from continuing to move. According to the invention, the locking assembly is arranged, so that after the sliding limit sliding block 7 reaches a proper position, the limit sliding block 7 is locked on the outer cylinder body 1 through the locking assembly, and the movement of the limit sliding block is prevented.
As shown in fig. 1-6, in some embodiments of the present invention, the locking assembly includes a fixing rod 8 and a limiting sleeve 9 sleeved outside the fixing rod 8; the side wall of the outer cylinder 1 is provided with a strip-shaped sliding hole 10 penetrating through the side wall of the outer cylinder 1 along the sliding direction of the limit sliding block 7; a plurality of clamping grooves 11 are formed in the side wall of the outer cylinder body 1 at intervals along the sliding direction of the limit sliding block 7; one end of the fixed rod 8 is fixed on the limit sliding block 7, the limit sleeve 9 is sleeved on the other end of the fixed rod 8 in a sliding way, and the limit sleeve 9 is provided with a clamping plate 12 matched with the clamping groove 11; the needle cylinder 2 is provided with a poking block 14, and the poking block 14 passes through the strip-shaped sliding hole 10.
According to the invention, the fixing rod 8 and the limiting sleeve 9 are arranged, so that the limiting sleeve 9 can be manually moved, the limiting slide block 7 is driven to move, after the limiting slide block 7 moves to a proper place, the limiting sleeve 9 is slid, the clamping plate 12 on the limiting sleeve 9 moves to the position of the clamping groove 11 for clamping, and at the moment, the clamping plate 12 is clamped into the clamping groove 11 and cannot move continuously, so that the position of the limiting slide block 7 is fixed, and the limiting slide block is prevented from moving continuously. According to the invention, the poking block 14 is arranged, so that a worker can hold the poking block 14 by hand conveniently, the syringe 2 is prevented from moving, and then vaccine is sucked into the syringe 2; after the vaccine is inhaled, a worker can move the poking block 14 by hand, and then drive the needle cylinder 2 to move so as to compress the first elastic piece 6, so that the operation is convenient.
As shown in fig. 1 to 6, in some embodiments of the present invention, a second elastic member 13 is disposed in the limiting sleeve 9, one end of the second elastic member 13 is fixed to the limiting sleeve 9, and the other end of the second elastic member 13 is fixed to the fixing rod 8.
According to the invention, the second elastic piece 13 is arranged, so that the second elastic piece 13 is used for pulling the limit sleeve 9, the limit sleeve 9 is prevented from being excessively moved, the clamping plate 12 can be stably clamped into the clamping groove 11, and the clamping plate 12 is prevented from moving out of the clamping groove 11 due to self gravity or shaking. Alternatively, the second elastic member 13 of the present embodiment employs a spring.
As shown in fig. 1-6, in some embodiments of the present invention, a sucking disc 15 is disposed at one end of the outer cylinder 1 near the needle 3; the suction cup 15 is provided with a second through hole through which the needle 3 passes.
According to the invention, the sucker 15 is arranged, so that the sucker 15 can be pressed on the animal body surface before inoculation, the contact area between the whole inoculator and the animal body surface is increased, the whole inoculator is prevented from sliding, the pressure intensity can be reduced, and the uncomfortable feeling of animals during inoculation is improved.
In some embodiments of the invention, as shown in fig. 1-6, the outer cylinder 1 is provided with a handle 16.
The present invention facilitates inoculation by providing the handle 16 such that a user can hold the handle 16 to move the inoculator.
In some embodiments of the present invention, as shown in fig. 1-6, the handle 16 is movably provided with a second limiting assembly for preventing the sliding of the syringe 2, and the second limiting assembly is movably connected with the syringe 2.
According to the invention, the second limiting component is arranged, so that before inoculation, after the first elastic piece 6 is compressed by moving the needle cylinder 2, the needle cylinder 2 can be prevented from sliding by being connected with the needle cylinder 2 through the second limiting component.
As shown in fig. 1-6, in some embodiments of the present invention, the second limiting assembly includes a wrench 17 and a limiting bump 18 connected to each other, where the wrench 17 is rotatably disposed on the handle 16; the outer side wall of the outer cylinder body 1 is provided with a third through hole 19; a limit groove 20 matched with the limit lug 18 is arranged on the side wall of the needle cylinder 2; the limit bump 18 passes through the third through hole 19 and is embedded in the limit groove 20.
In actual use, before inoculation, after the first elastic piece 6 is compressed by the movable needle cylinder 2, the limiting lug 18 is driven to move by rotating the wrench 17, at this time, the limiting lug 18 moves into the limiting groove 20 from the third through hole 19, at this time, the needle cylinder 2 is propped against the limiting lug 18, and the needle cylinder 2 cannot move. When inoculating, the spanner 17 is rotated, and the limit lug 18 moves out of the limit groove 20, so that the needle cylinder 2 loses limit and can slide.
As shown in fig. 1 to 6, in some embodiments of the present invention, the handle further includes a third elastic member 21, one end of the third elastic member 21 is connected to the wrench 17, and the other end of the third elastic member 21 is connected to the handle 16.
According to the invention, the third elastic piece 21 is arranged, so that after the needle cylinder 2 is propped against by the limit lug 18, the wrench 17 is prevented from rotating by itself under the elasticity of the third elastic piece 21, and the needle cylinder 2 can be fixed and stabilized. When inoculating, the spanner 17 is turned by hand, and the third elastic member 21 is compressed. Alternatively, the third elastic member 21 of the present embodiment employs a spring.
As shown in fig. 1 to 6, in some embodiments of the present invention, the handle 16 is provided with a support bar 22, and the support bar 22 is provided with a guide cylinder 23; the piston rod 5 slides through the guide cylinder 23.
The invention is provided with a guide cylinder 23; the piston rod 5 slides through the guide cylinder 23, so that the sliding direction of the piston rod 5 is guided and the sliding is facilitated.
In summary, the embodiment of the invention provides a rapid animal vaccine inoculator, which comprises an outer cylinder 1 with two open ends, wherein a needle cylinder 2 is arranged in the outer cylinder 1 in a sliding manner, a needle head 3 is arranged at one end of the needle cylinder 2, a piston 4 is arranged in the needle cylinder 2 in a sliding manner, and a piston rod 5 is arranged on the piston 4; a first limiting component for limiting the needle cylinder 2 is arranged in the outer cylinder 1 in a sliding manner; the outer cylinder 1 is provided with a first elastic member 6, one end of the first elastic member 6 is connected to the outer cylinder 1, and the other end of the first elastic member 6 is connected to the cylinder 2.
During actual use, the piston rod 5 is pulled, the piston rod 5 drives the piston 4 to move, vaccine liquid is sucked into the needle cylinder 2, then the needle cylinder 2 is moved away from the first limiting component, the needle cylinder 2 compresses the first elastic piece 6, the first elastic piece 6 accumulates elastic potential energy, and the needle head 3 moves into the outer cylinder 1.
The first limiting component slides along the outer cylinder body 1 to reach a proper place, then one end of the outer cylinder body 1 close to the needle head 3 is placed on an animal body, and the needle cylinder 2 is released; under the action of elastic potential energy accumulated by the first elastic piece 6, the first elastic piece 6 pushes the needle cylinder 2 to move, at the moment, the needle head 3 moves out of the outer cylinder body 1 and is inserted into an animal body, then the piston rod 5 is pushed, and the piston rod 5 pushes the piston 4 to move so as to inject vaccine liquid into the animal body. Due to the blocking of the first limiting component, when the needle cylinder 2 moves to the position of the first limiting component, the first limiting component shields the needle cylinder 2 from continuing to move, and at the moment, the needle head 3 cannot continue to move, so that the length of the needle head 3 moving out of the outer cylinder 1 is ensured to be certain. Therefore, according to different animals, the position difference of the first limiting component can be adjusted to adjust the length of the needle head 3 moving out of the outer cylinder body 1, so that the depth of the needle head 3 inserted into the animals can be adjusted, and the vaccination to the animals can be conveniently carried out, and the operation is convenient and quick.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. An animal vaccine rapid inoculator, characterized in that: the needle cylinder comprises an outer cylinder body with two open ends, a needle cylinder is arranged in the outer cylinder body in a sliding manner, a needle head is arranged at one end of the needle cylinder, a piston is arranged in the needle cylinder in a sliding manner, and a piston rod is arranged in the piston; a first limiting component used for limiting the needle cylinder is arranged in the outer cylinder body in a sliding manner; a first elastic piece is arranged in the outer cylinder body, one end of the first elastic piece is connected with the outer cylinder body, and the other end of the first elastic piece is connected with the needle cylinder;
the first limiting assembly comprises a limiting slide block which is arranged in the outer cylinder in a sliding manner, the limiting slide block is provided with a first through hole, and the needle head penetrates through the first through hole; the limiting sliding block is provided with a locking component for locking the limiting sliding block on the outer cylinder body, and the locking component is movably connected with the outer cylinder body;
the locking assembly comprises a fixed rod and a limit sleeve sleeved outside the fixed rod; the side wall of the outer cylinder body is provided with a strip-shaped sliding hole penetrating through the side wall of the outer cylinder body along the sliding direction of the limit sliding block; the side wall of the outer cylinder body is provided with a plurality of clamping grooves at intervals along the sliding direction of the limit sliding block; one end of the fixed rod is fixed on the limit sliding block, the limit sleeve is sleeved on the other end of the fixed rod in a sliding way, and the limit sleeve is provided with a clamping plate matched with the clamping groove; the needle cylinder is provided with a poking block which penetrates through the strip-shaped sliding hole;
the outer cylinder body is provided with a handle, the handle is movably provided with a second limiting component for preventing the needle cylinder from sliding, and the second limiting component is movably connected with the needle cylinder; the second limiting assembly comprises a spanner and a limiting lug which are connected with each other, and the spanner is rotationally arranged on the handle; the outer side wall of the outer cylinder body is provided with a third through hole; the side wall of the needle cylinder is provided with a limit groove matched with the limit convex block; the limit bump passes through the third through hole and is embedded into the limit groove; the wrench is characterized by further comprising a third elastic piece, one end of the third elastic piece is connected with the wrench, and the other end of the third elastic piece is connected with the handle.
2. The animal vaccine rapid inoculator of claim 1, wherein: the limiting sleeve is internally provided with a second elastic piece, one end of the second elastic piece is fixed to the limiting sleeve, and the other end of the second elastic piece is fixed to the fixing rod.
3. The animal vaccine rapid inoculator of claim 1, wherein: a sucking disc is arranged at one end of the outer cylinder body, which is close to the needle head; the sucking disc is provided with a second through hole for the needle head to pass through.
4. The animal vaccine rapid inoculator of claim 1, wherein: the handle is provided with a supporting rod, and the supporting rod is provided with a guide cylinder; the piston rod slides through the guide cylinder.
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