CN114145741A - Pig vaccine activity detects extractor - Google Patents

Pig vaccine activity detects extractor Download PDF

Info

Publication number
CN114145741A
CN114145741A CN202111508559.1A CN202111508559A CN114145741A CN 114145741 A CN114145741 A CN 114145741A CN 202111508559 A CN202111508559 A CN 202111508559A CN 114145741 A CN114145741 A CN 114145741A
Authority
CN
China
Prior art keywords
magnetic
shell
trigger
piece
needle tube
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111508559.1A
Other languages
Chinese (zh)
Inventor
赵丽
李艳玲
彭志峰
宋幸辉
张晓站
王瑞宁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henan University of Animal Husbandry and Economy
Original Assignee
Henan University of Animal Husbandry and Economy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Henan University of Animal Husbandry and Economy filed Critical Henan University of Animal Husbandry and Economy
Priority to CN202111508559.1A priority Critical patent/CN114145741A/en
Publication of CN114145741A publication Critical patent/CN114145741A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/15Devices for taking samples of blood
    • A61B5/150007Details
    • A61B5/150206Construction or design features not otherwise provided for; manufacturing or production; packages; sterilisation of piercing element, piercing device or sampling device
    • A61B5/150244Rods for actuating or driving the piston, i.e. the cylindrical body that sits inside the syringe barrel, typically with an air tight seal, and slides in the barrel to create a vacuum or to expel blood
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/15Devices for taking samples of blood
    • A61B5/153Devices specially adapted for taking samples of venous or arterial blood, e.g. with syringes

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Manufacturing & Machinery (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

The invention relates to the field of biomedicine, in particular to a pig vaccine activity detection extractor which comprises a shell, a control piece, a control device, a needle tube and a trigger device, wherein a worker controls the control piece to move in the shell through the trigger device, magnetic force is arranged at two ends of the control piece, one end of the needle tube sleeved in the control piece is provided with the magnetic force, the control device sleeved with the needle tube can enable the needle tube to move quickly in the control piece according to the movement of the control piece so as to finish blood sampling work, the device realizes the accuracy of blood sampling amount through the quick movement of the needle tube in the control piece and the accurate control of the control device, and also ensures the high efficiency of blood sampling operation.

Description

Pig vaccine activity detects extractor
Technical Field
The invention relates to the field of biomedicine, in particular to a pig vaccine activity detection extractor.
Background
The vaccine is a biological preparation which is prepared from bacteria, viruses, tumor cells and the like and can enable an organism to generate specific immunity, the immunity of a recipient is obtained through vaccination, the vaccine is widely used in animal breeding, and after animal vaccination, animal blood needs to be extracted for detection to determine the activity after the vaccination.
At present, veterinarians judge whether have some immune in-process to poultry, livestock or pet, need draw blood sample usually to carry out subsequent blood assay and analysis, but present blood sampling device, the volume and the blood sampling speed of drawing blood to the animal are difficult to control and adjust, cause that actual blood sampling operation is inconvenient and inefficient.
Disclosure of Invention
The invention provides a pig vaccine activity detection extractor, which aims to solve the problems of inconvenient operation and low efficiency of the existing blood sampling device.
The pig vaccine activity detection extractor adopts the following technical scheme: comprises a shell, a control piece, a control device, a needle tube and a trigger device; the shell is horizontally arranged, the upper part of the shell is a cylindrical cavity, one end of the shell is provided with an opening, the lower part of the shell is a hollow structure extending downwards in a step shape, and the upper cavity is communicated with the lower cavity; a slide rail is arranged in the shell and horizontally arranged below the cylindrical cavity; the cylindrical cavity opening is provided with a guide rail, the guide rail is uniformly arranged along the circumferential direction of the opening and extends rightwards along the radial direction, and the guide rail is provided with magnetic force far away from the outlet end; the control piece is arranged in the shell, the upper part of the control piece is a cylindrical shell which is in the shape of the inside of the shell and is penetrated left and right, magnetic force is arranged at two ends of the cylindrical shell, and the lower part of the control piece is provided with a stop block device which is in sliding connection with the slide rail; the needle tube is horizontally arranged at the upper end of the control part in a sliding manner, a magnetic baffle is arranged at the right end of the piston cylinder of the needle tube, and the needle head of the needle tube is provided with an opening end of the cylindrical cavity;
the control device comprises a first magnetic part and a second magnetic part, the first magnetic part comprises a first spring and a first magnetic block, one end of the first spring is fixedly connected with the opening of the cylindrical cavity, the other end of the first spring is fixedly connected with the first magnetic block, the first magnetic block is in a circular ring shape, and the first magnetic part is sleeved outside the piston cylinder of the needle tube in a sliding manner and can slide on the guide rail; the second magnetic piece comprises a second spring and a second magnetic block, the second magnetic block is sleeved on the piston shaft of the needle tube and is positioned between the magnetic baffle plate and the baffle plate at the right end of the piston shaft, and the second spring is fixedly connected between the second magnetic block and the right end of the shell; the second magnetic piece and the first magnetic piece are adsorbed in the initial state;
the trigger device comprises a trigger, a reset device and a transmission device; the transmission device is connected with the control piece, so that the control piece slides on the slide rail; the trigger is connected with the transmission device, and the trigger is rotatably arranged in the shell and extends outwards; the reset device is connected between the shell and the trigger, the trigger is pulled, the control piece is driven to move rightwards by the transmission device, and then the needle tube is controlled by the control device and the control piece in a matching way to rapidly move leftwards to penetrate into a living body and start to work; when the trigger is loosened, the reset device resets the trigger, so that the control piece moves leftwards to further compress the first spring and reset the needle tube.
Further, the transmission device comprises a rotating wheel, a trigger wheel and a bidirectional cam; the rotating wheel is rotatably installed inside the shell through the rotating shaft, the front side and the rear side of the rotating shaft are fixedly connected with the bidirectional cams, a fan-shaped trigger gear meshed with the rotating wheel is arranged below the rotating wheel, and the trigger is fixedly connected with the trigger, so that the control piece is pushed to move by the bidirectional cams when the trigger is pulled and loosened.
Furthermore, the needle tube magnetic baffle is provided with magnetic force, and the magnetic baffle is adsorbed with the guide rail only when the first magnetic block is adsorbed with the left end of the control piece after the trigger is pulled.
Furthermore, a first magnetic ring and a second magnetic ring are arranged at the left end and the right end of the cylindrical shell; a first sliding baffle and a second sliding baffle are arranged below the cylindrical shell, the first sliding baffle and the second sliding baffle are vertically arranged, a sliding rail groove matched with the sliding rail is formed in the lower end of the first sliding baffle and the second sliding baffle, and the upper end of the first sliding baffle and the upper end of the second sliding baffle are fixedly connected with the left end and the right end of the cylindrical shell, so that the control piece can move on the sliding rail in the shell; the two-way cam is arranged in a left-small-right mode, the two-way cam at the larger end is in contact with the first sliding baffle in an initial state, and the two-way cam at the small end and the second sliding baffle move under the action of resetting.
Further, the rotating shaft and the rotating wheel are connected in a spline fit mode.
Furthermore, the first magnetic block of the first magnetic member is provided with a track groove which penetrates through the guide rail correspondingly along the circumferential direction, and the track groove can slide on the guide rail in the moving process.
Furthermore, the first magnetic block comprises a first magnetic part and a first connecting part, the first magnetic part is provided with a first magnetic block outer ring, and the first connecting part is provided with a first magnetic block inner ring which is fixedly connected with the first spring; the second magnetic block comprises a second magnetic part and a second connecting part, the second magnetic part is provided with a second magnetic block outer ring, and the second connecting part is provided with a second magnetic block inner ring which is fixedly connected with the second spring; the first magnetic part and the second magnetic part are attracted in the initial state.
Furthermore, the reset device comprises a reset guide piece and a reset pressure spring, and the reset guide piece is arranged between the outer shell and the trigger gear in a telescopic and bending mode; the reset pressure spring is sleeved outside the reset guide piece and is fixedly installed between the shell and the trigger gear.
The invention has the beneficial effects that: the invention relates to a pig vaccine activity detection extractor, which comprises a shell, a control piece, a control device, a needle tube and a trigger device, wherein when a worker pulls a trigger, a rotating wheel starts to rotate clockwise to drive a transmission device connected with the trigger, so that the control piece moves rightwards, a first spring of a first magnetic piece is stretched, a spring of a second magnetic piece is compressed and adsorbed with the right end of the control piece, when the pulling force of the first spring is greater than the adsorption force of the magnetic piece and the right end of the control piece, a first magnetic block is separated from the right end of the control piece, moves leftwards rapidly and is adsorbed with the left end of the control piece, the second magnetic piece moves along with the movement of the first magnetic piece, so that the needle tube is rapidly injected into a living body under the pushing of the second magnetic piece, when a needle head is injected into the living body, a magnetic baffle of the needle tube is adsorbed with a magnetic guide rail far away from an outlet end, and the second spring of the second magnetic piece is stretched to retract, the piston shaft of the needle tube is driven to move rightwards, so that the needle tube starts to draw blood; when a worker loosens the trigger, the transmission device acts on the control piece to further compress the first spring, when the elastic force of the first spring is compressed to be larger than the adsorption force of the first magnetic block and the left end of the control piece, the first magnetic block and the left end of the control piece are separated from adsorption, the first magnetic piece drives the needle tube to move rightwards, and when the first magnetic piece and the needle tube move rightwards, the first magnetic piece and the right end of the control piece are adsorbed due to the inertia of the first spring, so that the device is restored to the original position; this device is through the abrupt separation of first magnetic path and control right-hand member or control left end, and then makes the needle tubing insert fast, draw blood, take out, has both realized the accurate control of blood sampling volume, has also guaranteed going on fast of blood sampling operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a perspective view of a pig vaccine activity detection extractor of the present invention;
FIG. 2 is a perspective view of a half-section of a casing of the swine vaccine activity detection extractor of the present invention;
FIG. 3 is a cross-sectional axial view of a pig vaccine activity detection extractor of the present invention;
FIG. 4 is a partial enlarged view of a cross-sectional side view of a pig vaccine activity detection extractor of the present invention;
FIG. 5 is an exploded view of a pig vaccine activity detection extractor of the present invention;
FIG. 6 shows a state of the pig vaccine activity detection extractor about to be inserted;
FIG. 7 shows the state of the pig vaccine activity detection extractor inserted and about to be extracted;
fig. 8 is an extraction completion state of the swine vaccine activity detection extractor of the present invention.
In the figure: 1. a housing; 11. a guide rail; 12. a slide rail; 2. a control member; 21. a first magnetic ring; 22. a second magnetic ring; 23. a first slide damper; 24. a second slide damper; 25. a first magnetic member; 251. a first magnetic part; 252. a first connection portion; 253. a first spring; 26. a second magnetic member; 261. a second magnetic part; 262. a second connecting portion; 263. a second spring; 3. a trigger; 31. triggering a gear; 32. a rotating wheel; 33. a reset guide; 34. a rotating shaft; 35. a bidirectional cam; 351. a large-end bidirectional cam; 352. a small-end bidirectional cam; 36. resetting the pressure spring; 4. a needle tube; 41. a piston shaft; 42. a magnetic baffle; 43. a piston cylinder.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An embodiment of the pig vaccine activity detection extractor of the present invention, as shown in fig. 1 to 8, comprises a housing 1, a control member 2, a control device, a needle tube 4 and a trigger device; the shell 1 is horizontally arranged, the upper part of the shell is a cylindrical cavity, one end of the shell is provided with an opening, the lower part of the shell is a hollow structure extending downwards in a step shape, and the upper cavity is communicated with the lower cavity so that a worker can conveniently hold the device; a slide rail 12 is arranged in the shell 1 and horizontally arranged below the cylindrical cavity; the opening of the cylindrical cavity is provided with a guide rail 11 which is uniformly arranged along the circumferential direction of the opening and extends rightwards along the radial direction, and the magnetic force is generated when the guide rail is far away from the outlet end; the control piece 2 is arranged in the shell 1, the upper part of the control piece 2 is a cylindrical shell which is in the shape of the shell 1 and is penetrated left and right, magnetic force is arranged at two ends of the cylindrical shell, and the lower part of the control piece 2 is provided with a stop block device which is in sliding connection with the slide rail 12; the needle tube 4 is horizontally and slidably arranged inside the control part 2, the right end of a piston cylinder 43 of the needle tube 4 is provided with a magnetic baffle 42, the needle head of the needle tube 4 is provided with a cylindrical cavity opening end, and when a piston shaft 41 of the needle tube 4 is pulled, pressure difference is formed in the piston cylinder 43, so that the work is started;
the control device comprises a first magnetic part 25 and a second magnetic part 26, the first magnetic part 25 comprises a first spring 253 and a first magnetic block, one end of the first spring 253 is fixedly connected with the opening of the cylindrical cavity, the other end of the first spring 253 is fixedly connected with the first magnetic block, the first magnetic block is annular, and the first magnetic part 25 is slidably sleeved outside the piston cylinder 43 of the needle tube 4 and can slide on the guide rail 11; the second magnetic element 26 comprises a second spring 263 and a second magnetic block, the second magnetic block is sleeved on the piston shaft 41 of the needle tube 4 and is positioned between the magnetic baffle plate 42 and the baffle plate at the right end of the piston shaft 41, and the second spring 263 is fixedly connected between the second magnetic block and the right end of the shell 1; the second magnetic member 26 and the first magnetic member 25 are attracted in the initial state, and the first spring 253 and the second spring 263 are both original in length in the initial state;
the trigger device comprises a trigger 3, a reset device and a transmission device; the transmission device is connected with the control part 2, so that the control part 2 slides on the slide rail 12; the trigger 3 is connected with a transmission device, and the trigger 3 is rotatably arranged in the shell 1 and extends outwards, so that a worker can pull the trigger conveniently; the reset device is connected between the shell 1 and the trigger 3, the trigger 3 is pulled to drive the control part 2 to move rightwards by the transmission device, and then the needle tube 4 is controlled by the control device and the control part 2 to move leftwards rapidly to penetrate into a living body and start working; the reset means resets the trigger 3 when the trigger 3 is released, and moving the control member 2 to the left further compresses the first spring 253 and resets the needle 4.
In the present embodiment, the transmission means includes a rotating wheel 32, a trigger wheel, and a bidirectional cam 35; the rotating wheel 32 is rotatably installed inside the housing 1 through the rotating shaft 34, the bidirectional cams 35 are fixedly connected to the front side and the rear side of the rotating shaft 34, the sector-shaped trigger gear 31 meshed with the rotating wheel 32 is arranged below the rotating wheel 32, the radius of the sector-shaped trigger gear 31 is twice that of the rotating wheel 32, the central angle corresponding to the arc length covered by the teeth on the trigger gear 31 is 45 degrees, the rotating wheel 32 rotates 90 degrees when the trigger gear 31 rotates 45 degrees, the trigger gear 31 is fixedly connected with the trigger 3, and the control piece 2 is pushed to move by the bidirectional cams 35 when the trigger 3 is pulled and the trigger 3 is loosened.
In this embodiment, the magnetic baffle 42 of the needle tube 4 is provided with magnetic force, and only when the first magnetic block is attracted to the left end of the control member 2 after the trigger 3 is pulled, the magnetic baffle 42 and the guide rail 11 are attracted away from the opening end, so as to stabilize the stable operation of the needle tube 4 during blood drawing.
In this embodiment, the left end and the right end of the cylindrical shell are provided with a first magnetic ring 21 and a second magnetic ring 22, and the first magnetic ring 21 and the second magnetic ring 22 are both annular and are provided with magnetic force; a first sliding baffle plate 23 and a second sliding baffle plate 24 are arranged below the cylindrical shell, the first sliding baffle plate 23 and the second sliding baffle plate 24 are vertically arranged, a sliding rail 12 groove matched with the sliding rail 12 is formed in the lower end of the first sliding baffle plate, and the upper end of the first sliding baffle plate is fixedly connected with the left end and the right end of the cylindrical shell, so that the control part 2 can move on the sliding rail 12 in the shell 1; the bidirectional cam 35 is set to be small in the left and large in the right, and in the initial state, the large-end bidirectional cam 351 is brought into contact with the first slide shutter 23, and is moved by the action of the small-end bidirectional cam 352 and the second slide shutter 24 at the time of return.
In this embodiment, the rotating shaft 34 is connected with the rotating wheel 32 in a spline fit manner, the rotating shaft 34 penetrates through the slide rail 12 and is connected with the housing 1 in a rotating manner, and the bidirectional cams 35 on both sides are fixedly connected with the rotating shaft 34, so that the bidirectional cams 35 rotate along with the rotating shaft 34 when the rotating shaft 34 rotates.
In this embodiment, the first magnetic block of the first magnetic member 25 is provided with a track groove corresponding to the guide rail 11 in the circumferential direction, and the track groove can slide on the guide rail 11 during the movement.
In this embodiment, the first magnetic block comprises a first magnetic block 251 and a first connecting portion 252, the first magnetic block 251 is provided with a first magnetic block outer ring, and the first connecting portion 252 is provided with a first magnetic block inner ring fixedly connected with a first spring 253; the second magnetic block comprises a second magnetic part 261 and a second connecting part 262, the second magnetic part 261 is provided with a second magnetic block outer ring, and the second connecting part 262 is provided with a second magnetic block inner ring which is fixedly connected with a second spring 263; in the initial state, the first magnetic part 251 and the second magnetic part 261 are attracted.
In the embodiment, the reset device comprises a reset guide 33 and a reset pressure spring 36, wherein the reset guide 33 is telescopically and flexibly arranged between the shell 1 and the trigger gear 31; the reset pressure spring 36 is sleeved outside the reset guide 33 and is fixedly installed between the housing 1 and the trigger gear 31.
With the above embodiments, the usage principle and the working process of the present invention are as follows: when a worker pulls the trigger 3, the trigger gear 31 fixedly connected with the trigger 3 starts to rotate, the rotating wheel 32 engaged with the trigger gear 31 starts to rotate clockwise, the bidirectional cam 35 fixedly arranged on the rotating shaft 34 rotates clockwise, the large-end bidirectional cam 351 is in contact with the first sliding baffle 23 in an initial state, the slidable control piece 2 is pushed by the large-end bidirectional cam 351 to move rightwards, the first spring 253 of the first magnetic piece 25 is stretched, the spring of the second magnetic piece 26 is compressed, the first magnetic piece 25 is adsorbed with the first magnetic ring 21, when the pulling force of the first spring 253 is larger than the adsorption force of the first magnetic part 251 and the first magnetic ring 21, the first magnetic piece 25 is separated from the right end of the control piece 2 and moves leftwards rapidly and is adsorbed with the second magnetic ring 22, the second magnetic piece 26 moves along with the movement of the first magnetic piece 25, the needle tube 4 is pushed by the second magnetic member to be rapidly injected into the living body, when the needle head is injected into the living body, the magnetic baffle 42 of the needle tube 4 is adsorbed with the magnetic guide rail 11 far away from the outlet end, and the second spring 263 of the second magnetic member 26 is retracted by the stretched limit position to drive the piston shaft 41 of the needle tube 4 to move rightwards, so that the needle tube 4 starts to draw blood; when the worker releases the trigger 3, the trigger 3 starts to rotate along the reset guide 33 by the reset pressure spring 36, so that the rotating wheel 32 rotates counterclockwise, the first magnetic member 25 is separated from the first magnetic ring 21 at the right end of the control member 2, moves leftwards rapidly, crosses the initial position and is adsorbed to the second magnetic ring 22, at this time, the first spring 253 has a compression amount, so that the small end bidirectional cam 352 is in contact with the second sliding baffle 24, the trigger 3 is loosened to further compress the first pressure spring by the small end cam, when the adsorption force of the first magnetic part 251 and the second magnetic ring 22 is smaller than the pressure of the first spring 253, the first magnetic part 251 is separated from the second magnetic ring 22, the needle is pulled out from the living body, the blood is drawn, the first spring 253 is influenced by inertia, continues to move rightwards after the original length is recovered, the first magnetic part 261 is contacted to continue to move rightwards, so that the first magnetic part 251 is adsorbed to the first magnetic ring 21, since the first spring 253 is in the stretched state at this time, and the second spring 263 is in the compressed state, the control member 2 is moved leftward by the first spring 253 and the second spring 263, and is restored to the original position. This device separates suddenly through first magnetic part 251 and first magnetic ring 21 or second magnetic ring 22, and then makes needle tubing 4 insert fast, draw blood, take out, has both realized the accurate control of the volume of taking a blood sample, has also guaranteed going on fast of blood sampling operation.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (8)

1. A pig vaccine activity detects extractor which characterized in that: comprises a shell, a control piece, a control device, a needle tube and a trigger device;
the shell is horizontally arranged, the upper part of the shell is a cylindrical cavity, one end of the shell is provided with an opening, the lower part of the shell is a hollow structure extending downwards in a step shape, and the upper cavity is communicated with the lower cavity;
a slide rail is arranged in the shell and horizontally arranged below the cylindrical cavity; the cylindrical cavity opening is provided with a guide rail, the guide rail is uniformly arranged along the circumferential direction of the opening and extends rightwards along the radial direction, and the guide rail is provided with magnetic force far away from the outlet end;
the control piece is arranged in the shell, the upper part of the control piece is a cylindrical shell which is in the shape of the inside of the shell and is penetrated left and right, magnetic force is arranged at two ends of the cylindrical shell, and the lower part of the control piece is provided with a stop block device which is in sliding connection with the slide rail;
the needle tube is horizontally arranged at the upper end of the control part in a sliding manner, a magnetic baffle is arranged at the right end of the piston cylinder of the needle tube, and the needle head of the needle tube is provided with an opening end of the cylindrical cavity;
the control device comprises a first magnetic part and a second magnetic part, the first magnetic part comprises a first spring and a first magnetic block, one end of the first spring is fixedly connected with the opening of the cylindrical cavity, the other end of the first spring is fixedly connected with the first magnetic block, the first magnetic block is annular, and the first magnetic part is sleeved outside the piston cylinder of the needle tube in a sliding mode and can slide on the guide rail;
the second magnetic piece comprises a second spring and a second magnetic block, the second magnetic block is sleeved on the piston shaft of the needle tube and is positioned between the magnetic baffle plate and the baffle plate at the right end of the piston shaft, and the second spring is fixedly connected between the second magnetic block and the right end of the shell; the second magnetic piece and the first magnetic piece are adsorbed in the initial state;
the trigger device comprises a trigger, a reset device and a transmission device; the transmission device is connected with the control piece, so that the control piece slides on the slide rail; the trigger is connected with the transmission device, and the trigger is rotatably arranged in the shell and extends outwards; the reset device is connected between the shell and the trigger, the trigger is pulled, the control piece is driven to move rightwards by the transmission device, and then the needle tube is controlled by the control device and the control piece in a matching way to rapidly move leftwards to penetrate into a living body and start to work; when the trigger is loosened, the reset device resets the trigger, so that the control piece moves leftwards to further compress the first spring and reset the needle tube.
2. The swine vaccine activity detection extractor of claim 1, wherein: the transmission device comprises a rotating wheel, a trigger wheel and a bidirectional cam; the rotating wheel is rotatably installed inside the shell through the rotating shaft, the front side and the rear side of the rotating shaft are fixedly connected with the bidirectional cams, a fan-shaped trigger gear meshed with the rotating wheel is arranged below the rotating wheel, and the trigger is fixedly connected with the trigger, so that the control piece is pushed to move by the bidirectional cams when the trigger is pulled and loosened.
3. The swine vaccine activity detection extractor of claim 1, wherein: the needle tube magnetic baffle is provided with magnetic force, and the magnetic baffle is adsorbed with the guide rail only when the first magnetic block is adsorbed with the left end of the control piece after the trigger is pulled.
4. The swine vaccine activity detection extractor of claim 2, wherein: the left end and the right end of the cylindrical shell are provided with a first magnetic ring and a second magnetic ring; a first sliding baffle and a second sliding baffle are arranged below the cylindrical shell, the first sliding baffle and the second sliding baffle are vertically arranged, a sliding rail groove matched with the sliding rail is formed in the lower end of the first sliding baffle and the second sliding baffle, and the upper end of the first sliding baffle and the upper end of the second sliding baffle are fixedly connected with the left end and the right end of the cylindrical shell, so that the control piece can move on the sliding rail in the shell; the two-way cam is arranged in a left-small-right mode, the two-way cam at the larger end is in contact with the first sliding baffle in an initial state, and the two-way cam at the small end and the second sliding baffle move under the action of resetting.
5. The swine vaccine activity detection extractor of claim 2, wherein: the rotating shaft is connected with the rotating wheel in a spline fit mode.
6. The swine vaccine activity detection extractor of claim 1, wherein: the first magnetic block of the first magnetic piece is provided with a track groove which penetrates through the guide rail correspondingly along the circumferential direction, and the track groove can slide on the guide rail in the moving process.
7. The swine vaccine activity detection extractor of claim 1, wherein: the first magnetic block comprises a first magnetic part and a first connecting part, the first magnetic part is provided with a first magnetic block outer ring, and the first connecting part is provided with a first magnetic block inner ring which is fixedly connected with the first spring; the second magnetic block comprises a second magnetic part and a second connecting part, the second magnetic part is provided with a second magnetic block outer ring, and the second connecting part is provided with a second magnetic block inner ring which is fixedly connected with the second spring; the first magnetic part and the second magnetic part are attracted in the initial state.
8. The swine vaccine activity detection extractor of claim 1, wherein: the reset device comprises a reset guide piece and a reset pressure spring, and the reset guide piece is arranged between the shell and the trigger gear in a telescopic and bending mode; the reset pressure spring is sleeved outside the reset guide piece and is fixedly installed between the shell and the trigger gear.
CN202111508559.1A 2021-12-10 2021-12-10 Pig vaccine activity detects extractor Pending CN114145741A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111508559.1A CN114145741A (en) 2021-12-10 2021-12-10 Pig vaccine activity detects extractor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111508559.1A CN114145741A (en) 2021-12-10 2021-12-10 Pig vaccine activity detects extractor

Publications (1)

Publication Number Publication Date
CN114145741A true CN114145741A (en) 2022-03-08

Family

ID=80450569

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111508559.1A Pending CN114145741A (en) 2021-12-10 2021-12-10 Pig vaccine activity detects extractor

Country Status (1)

Country Link
CN (1) CN114145741A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116004380A (en) * 2022-06-24 2023-04-25 河南牧业经济学院 Pig parvovirus vaccine research and development is from accuse temperature electromagnetic incubator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116004380A (en) * 2022-06-24 2023-04-25 河南牧业经济学院 Pig parvovirus vaccine research and development is from accuse temperature electromagnetic incubator

Similar Documents

Publication Publication Date Title
US10499888B2 (en) Tissue sample flushing system for biopsy device
CN103767713B (en) Puncture device causing less pain
WO2019080821A1 (en) Lancing device using rear handle for priming and lancet ejection
CN106859669A (en) A kind of disposable safe blood taking needle, assembly method and application method
CN105455824A (en) Painless vacuum blood collector
CN103654872B (en) Reusable automatic synchronous negative-pressure formula sampling device for biopsy
CN114145741A (en) Pig vaccine activity detects extractor
EP1915949A2 (en) Biopsy device
CN208892603U (en) A kind of withdraw of the needle structure of blood collecting pen
CN203609428U (en) Disposable hemostix
CN201939345U (en) Needle-unloading mechanism of blood-sampling pen
CN102973280A (en) Rapid blood-sampling device
CN203074710U (en) Speedy blood collection device
CN209450571U (en) Toy subcutaneous mass extracts holder
CN213432314U (en) Poultry animal doctor is with abandonment syringe needle separation collection device
CN103549964A (en) Disposable hemostix
CN204931690U (en) Single use tip safe blood-taking needle
CN204723072U (en) A kind of Novel push-type blood lancet device
CN203483433U (en) Novel blood sampling pen
CN209236167U (en) A kind of Novel blood-collecting pen
CN204091995U (en) Painless vacuum blood collector
CN104983431A (en) Press type blood collection needle device
CN219251354U (en) Intestinal robot with fixed-point drug delivery and biopsy mechanism functions
CN201042438Y (en) Externally fixed semi-automatic tissue aspiration biopsy device
CN109276278B (en) Small animal subcutaneous tumor drawing holder

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB03 Change of inventor or designer information

Inventor after: Zhao Li

Inventor after: Li Yanling

Inventor after: Peng Zhifeng

Inventor after: Song Xinghui

Inventor after: Zhang Xiaozhan

Inventor after: Wang Ruining

Inventor before: Zhao Li

Inventor before: Li Yanling

Inventor before: Peng Zhifeng

Inventor before: Song Xinghui

Inventor before: Zhang Xiaozhan

Inventor before: Wang Ruining

CB03 Change of inventor or designer information