CN113000084B - A accuse volume adds device for human influenza vaccine detects - Google Patents
A accuse volume adds device for human influenza vaccine detects Download PDFInfo
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- CN113000084B CN113000084B CN202110154789.6A CN202110154789A CN113000084B CN 113000084 B CN113000084 B CN 113000084B CN 202110154789 A CN202110154789 A CN 202110154789A CN 113000084 B CN113000084 B CN 113000084B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/02—Burettes; Pipettes
- B01L3/021—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids
- B01L3/0217—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids of the plunger pump type
- B01L3/0224—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids of the plunger pump type having mechanical means to set stroke length, e.g. movable stops
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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
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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Abstract
The invention discloses a quantity-control adding device for detecting human influenza vaccines, relates to the technical field of quantitative adding devices, and solves the problem that an existing injector cannot automatically add a reaction reagent in an equal quantity for multiple times. A controlled-quantity adding device for detecting human influenza vaccine comprises a quantitative control rod; the bottom of the quantitative control rod body is rotationally connected inside the ring body of the linkage push-pull ring. The device can be through quantitative control pole control and fixed top positioning shell's use height to can guarantee that the top positioning shell drives the linkage and push away the compression stroke at every turn the pull ring the same when pulling the linkage and push away the pull ring each time, and when loosening the linkage and push away the pull ring, linkage and top positioning shell can be under the effect automatic re-setting of top spring that resets, thereby realize adding reactant in the vaccine sample of multiple equivalent, all need the compression stroke of control piston rod when not filling reactant at every turn.
Description
Technical Field
The invention belongs to the technical field of quantitative adding devices, and particularly relates to a quantitative adding device for detecting human influenza vaccine.
Background
The controlled-quantity adding device is used for carrying out flow control injection on liquid for vaccine detection, can accurately and quantitatively add, and influenza is an acute respiratory infectious disease which is caused by influenza virus and can cause large-scale epidemic, compared with common cold, the influenza has more serious symptoms and stronger infectivity, the antibiotic treatment is ineffective, but the influenza can be prevented, the influenza vaccine is the most effective prevention method at present, the influenza vaccine is a vaccine for preventing influenza (influenza for short) caused by influenza virus, and is suitable for any healthy people possibly infected with the influenza virus, the influenza vaccine is inoculated once before the influenza season each year, and the immunity can last for one year.
The application number is as follows: in the patent of CN201911286540.X, a vaccine freezing storage detection device and a use method are disclosed, the device comprises a freezing box, an electric cabinet is installed on one side of the freezing box, a heat dissipation hole is formed in one side of the electric cabinet, a motor is installed in the electric cabinet, a rotating rod is arranged at the output end of the motor, a vaccine installation cylinder is connected to the surface of the rotating rod through threads, and a slotted hole is formed in one side of the vaccine installation cylinder in a penetrating mode. Through cold air pipe run through in the inside of air conditioning conveyer trough, through the laminating of the open-ended between venthole and the air conditioning dredging hole, the air conditioning dredging hole cooperates the air conditioning to go out the louvre and evenly discharges the surface to the vaccine bottle with the air conditioning, drives the vaccine installation section of thick bamboo through the transfer line and rotates, on the one hand, can make air conditioning and vaccine bottle even contact, on the other hand, has made things convenient for taking the vaccine bottle from the chamber door, and this device simple structure uses in a flexible way, can effectively make the vaccine bottle by even freezing, slows down vaccine inactivation speed.
At present, the vaccine is subjected to multiple detection and experiments before being put into use, and when the vaccine is detected and tested, in order to ensure the accuracy of the experiment or detection, a plurality of groups of vaccine samples are often tested together, and in the process, the same amount of reaction reagent is added into a plurality of groups of vaccine samples by using a syringe.
When the existing injector is used for adding the reaction reagent into the vaccine, the reaction reagent needs to be added into the vaccine for a plurality of times and in an equivalent manner, the steps are complicated, and when the reaction reagent is added, a detector needs to pay attention to the addition amount of the reaction reagent in each group of samples, so that the same addition amount of the reaction reagent in each group of vaccine samples is ensured, but the existing injector cannot meet the requirement of automatically adding the reaction reagent for a plurality of times and in equivalent manner, so that the process is time-consuming and labor-consuming, the labor intensity is high, and the practicability is low.
Accordingly, in view of the above, research and improvement are made on the existing structure and the existing defects, and a controlled-quantity adding device for detecting human influenza vaccine is provided, so that the aim of higher practical value is achieved.
Disclosure of Invention
In order to solve the technical problems, the invention provides a quantity control adding device for detecting human influenza vaccines, which aims to solve the problems that when the existing injector adds a reaction reagent into a vaccine, the reaction reagent needs to be added into the vaccine for a plurality of times in an equivalent manner, the steps are complicated, and when the reaction reagent is added, a detector needs to pay extra attention to the adding quantity of the reaction reagent in each group of samples, so that the adding quantity of the reaction reagent in each group of vaccine samples is ensured to be the same, but the existing injector cannot meet the requirement of automatically adding the reaction reagent for a plurality of times in equivalent manner, so that the process is time-consuming and labor-consuming, the labor intensity is high, and the practicability is low.
The invention discloses a purpose and an effect of a quantity control adding device for detecting human influenza vaccine, which are achieved by the following specific technical means:
the device comprises a piston rod, a linkage push-pull ring, a positioning swivel, a positioning shell group, a one-way limiting block and a quantitative control rod; the piston rod is inserted into the suction needle cylinder, and the bottom of the piston rod is fixedly connected with a piston ring; the linkage push-pull ring is sleeved outside the suction needle cylinder body; the positioning swivel is rotationally connected to the middle part of the cylinder body of the suction needle cylinder, and is arranged at the top of the linkage push-pull ring; the positioning shell group consists of a top positioning shell and a bottom positioning shell; the top positioning shell is rotationally connected to the outside of the rod body of the piston rod, and the bottom positioning shell is rotationally connected to the top of the suction syringe barrel; the one-way limiting block is inserted into the positioning shell group; the bottom of the quantitative control rod body is rotationally connected inside the ring body of the linkage push-pull ring.
Further, the both sides of the piston rod body are all provided with one-way racks, and the block outside of one-way stopper is equipped with one-way latch, and the tooth cross-section shape of one-way rack and one-way latch is triangle-shaped, and the plane of the tooth of one-way rack is the design up, and the tooth plane of one-way latch is the design down.
Further, the shape is arc design in the overlook of one-way rack and one-way latch, and the one-way stopper all is equipped with two sets of symmetries in the inside of top positioning shell and end positioning shell, and the back of one-way stopper is equipped with the location top spring, and the both ends of location top spring fixed connection respectively in the inside of positioning shell group and the inside of one-way stopper block dorsal.
Further, the both sides of top positioning shell and location swivel are equipped with spring sleeve and spring section of thick bamboo respectively, and the inside of spring sleeve is pegged graft to the spring section of thick bamboo, and the inside of spring section of thick bamboo is equipped with the top spring that resets, and the both ends of top spring that resets are fixed connection respectively in the bottom in the spring section of thick bamboo and the top in the spring sleeve.
Further, the body of rod outside at ration control rod top is equipped with the screw thread, and one side of top positioning shell is equipped with the screw thread control block, and the inside of screw thread control block is equipped with the screw hole, and the body of rod at ration control rod top passes through the screw thread and articulates at the screw hole of screw thread control block.
Furthermore, a linkage track block is arranged on the inner side of the ring body of the linkage push pull ring, a limit track groove is formed in the outer portion of the barrel of the suction needle cylinder, the groove body path of the limit track groove is L-shaped, and the linkage track block is spliced in the limit track groove.
Further, the top of the suction needle cylinder and the inside of the positioning swivel are both provided with limiting swivel, and the middle part of the cylinder body of the suction needle cylinder and the bottom of the bottom positioning shell are both provided with limiting swivel grooves, the limiting swivel of the suction needle cylinder is rotationally connected inside the limiting swivel grooves of the bottom positioning shell, and the limiting swivel of the positioning swivel is rotationally connected in the limiting swivel grooves of the middle part of the cylinder body of the suction needle cylinder.
Compared with the prior art, the invention has the following beneficial effects:
the device can be through quantitative control pole control and the use height of fixed top positioning shell when using to can guarantee that the top positioning shell drives the linkage and pushes away the compression stroke at every turn when pulling the linkage and push away the pull ring the same for every turn when making sure that the linkage pushes away the pull ring, and when loosening the linkage and push away the pull ring, linkage pushes away pull ring and top positioning shell can be under the effect automatic re-setting of top spring that resets, thereby realize adding reagent to the vaccine sample of a lot of equivalent, convenient operation need not all need control the compression stroke of piston rod when filling reagent at every turn, convenient and fast, degree of automation is high, the flexibility and the practicality of the device have been improved.
Firstly, when extracting reactant to the inside of suction needle cylinder, rotate the linkage push-pull ring for the linkage track piece is in the horizontal groove position in spacing track groove, and the linkage push-pull ring can drive the synchronous rotation of location shell group through the ration control lever, thereby releases the spacing that one-way stopper goes up to the piston rod, and the pulling piston rod can be to the inside extraction reactant of suction needle cylinder this moment, and is nimble convenient, has improved the device's flexibility.
Secondly, when the equal quantity of reagent is required to be filled into a plurality of groups of vaccine samples, the quantitative control rod is rotated according to the addition quantity of the reagent to adjust the height of the top positioning shell, thereby realizing the adjustment of the compression stroke of the piston rod each time, after the adjustment is finished, the linkage push-pull ring is reset, so that the linkage track block is positioned at the vertical groove part of the limit track groove, at the moment, the linkage push-pull ring can drive the top positioning shell to move downwards through the quantitative control rod, when the top positioning shell moves downwards, the piston rod can be driven by the unidirectional latch inside the top positioning shell to synchronously move downwards by the unidirectional rack to shift the height, the reaction reagent is extruded and added into the vaccine samples by the piston rod to compress the inside of the suction needle cylinder, the linkage push-pull ring and the top positioning shell can be automatically reset under the action of the reset top spring after the single addition is finished, thereby conveniently quantitatively adding the equal quantity of the reaction reagent to the next linkage push-pull ring, the convenience and flexibility are realized, and the piston rod can be limited upwards by the unidirectional limit inside the bottom positioning shell in the reset process, thereby the suction needle cylinder can be sucked in the reset process of the bottom positioning shell, the follow-up use of the device is influenced, the convenience and the flexibility are improved, the automatic compression stroke is required when the reagent is required to be automatically controlled, and the degree of the compression device is high when the compression is required to be used, and the convenience and the degree is high.
Furthermore, the locating swivel is at the inside spacing swivel of locating swivel and the spacing swivel in suction cylinder barrel middle part can not change the height of locating swivel when rotating, and the bottom locating shell can not change the use height of bottom locating shell under the spacing swivel at bottom locating shell bottom spacing swivel and suction cylinder top's spacing swivel's cooperation when rotating to guarantee that the device uses stably, can be stable add reactant to multiunit vaccine sample in an equal amount, convenient nimble has improved the stability and the durability of the device.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the structure of the inside of the present invention.
FIG. 3 is a schematic view of the internal structure of the linkage track block of the present invention in the transverse slot position of the limit track slot.
FIG. 4 is a schematic diagram showing the internal structure of the present invention when the reagents are added in equal amounts.
Fig. 5 is a schematic view showing the structure of the suction cylinder, the piston rod and the positioning swivel according to the present invention after being disassembled.
Fig. 6 is a schematic structural view of the unidirectional stopper of the present invention.
FIG. 7 is a schematic view of the structure of the linkage push-pull ring and the dosing lever of the present invention after disassembly.
Fig. 8 is a schematic view of the structure of the bottom positioning shell of the present invention.
Fig. 9 is an enlarged schematic view of the structure of fig. 2 according to the present invention.
In the figure, the correspondence between the component names and the drawing numbers is:
1. a suction cylinder; 2. a piston rod; 3. linkage push-pull ring; 4. positioning a swivel; 5. positioning the shell group; 6. a one-way limiting block; 7. a quantitative control lever; 101. a limit track groove; 102. a limiting swivel; 103. limiting rotating grooves; 201. a one-way rack; 301. a linkage track block; 401. resetting the top spring; 501. a top positioning shell; 502. a bottom positioning shell; 601. unidirectional latch teeth; 602. positioning a top spring; 5011. a threaded control block.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the invention but are not intended to limit the scope of the invention.
In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Examples:
as shown in fig. 1 to 9:
the invention provides a quantity control adding device for detecting human influenza vaccine, which comprises a piston rod 2, a linkage push-pull ring 3, a positioning swivel 4, a positioning shell group 5, a one-way limiting block 6 and a quantitative control rod 7; the piston rod 2 is spliced in the suction needle cylinder 1, and the bottom of the piston rod 2 is fixedly connected with a piston ring; the top of the suction needle cylinder 1 and the inside of the positioning swivel 4 are both provided with a limiting swivel 102, the middle part of the cylinder body of the suction needle cylinder 1 and the bottom of the bottom positioning shell 502 are both provided with a limiting swivel 103, the limiting swivel 102 of the suction needle cylinder 1 is rotationally connected inside the limiting swivel 103 of the bottom positioning shell 502, the limiting swivel 102 of the positioning swivel 4 is rotationally connected inside the limiting swivel 103 of the middle part of the cylinder body of the suction needle cylinder 1, the positioning swivel 4 does not change the height of the positioning swivel 4 under the matching action of the limiting swivel 102 of the inside of the positioning swivel 4 and the limiting swivel 103 of the middle part of the cylinder body of the suction needle cylinder 1 during rotation, and the bottom positioning shell 502 does not change the use height of the bottom positioning shell 502 under the matching action of the limiting swivel 103 of the bottom positioning shell 502 and the top of the suction needle cylinder 1, so that the device is ensured to be stable in use, reactive reagents can be stably added to a plurality of groups of vaccine samples in an equivalent amount, the device is convenient and flexible, and the stability and durability of the device are improved; the two sides of the rod body of the piston rod 2 are provided with the unidirectional racks 201, the outer sides of the blocks of the unidirectional limiting blocks 6 are provided with unidirectional clamping teeth 601, the cross section of the gear teeth of the unidirectional racks 201 and the unidirectional clamping teeth 601 are triangular, the plane of the gear teeth of the unidirectional racks 201 is designed upwards, and the plane of the gear teeth of the unidirectional clamping teeth 601 is designed downwards, so that when the unidirectional clamping teeth 601 and the unidirectional racks 201 are clamped, the unidirectional limiting blocks 6 can limit the ascending of the piston rod 2, and the piston rod 2 cannot ascend; the linkage push pull ring 3 is sleeved outside the cylinder body of the suction needle cylinder 1; the inner side of the ring body of the linkage push pull ring 3 is provided with a linkage track block 301, the outside of the cylinder body of the suction needle cylinder 1 is provided with a limit track groove 101, the groove body path of the limit track groove 101 is of an L-shaped design, and the linkage track block 301 is spliced in the limit track groove 101, so that the movement track of the linkage track block 301 of the linkage push pull ring 3 can be limited by the limit track groove 101, and the phenomenon that the device is blocked due to deflection and distortion when the linkage push pull ring 3 moves and rotates is avoided, the device is stable to use, and the stability of the device is improved; the positioning swivel 4 is rotationally connected to the middle part of the cylinder body of the suction needle cylinder 1, and the positioning swivel 4 is arranged at the top of the linkage push-pull ring 3; the positioning shell group 5 consists of a top positioning shell 501 and a bottom positioning shell 502; the top positioning shell 501 is rotatably connected to the outside of the rod body of the piston rod 2, and the bottom positioning shell 502 is rotatably connected to the top of the cylinder body of the suction cylinder 1; the unidirectional limiting block 6 is inserted into the positioning shell group 5; the bottom of the quantitative control rod 7 rod body is rotationally connected inside the ring body of the linkage push-pull ring 3.
Wherein, unidirectional rack 201 and unidirectional latch 601 overlook the shape and are arc design, and unidirectional stopper 6 all is equipped with two sets of symmetries in the inside of top positioning shell 501 and bottom positioning shell 502, the back of unidirectional stopper 6 is equipped with location top spring 602, and the both ends of location top spring 602 are fixed connection respectively in the inside of locating shell group 5 and the inside of unidirectional stopper 6 block dorsal, this design makes when rotating linkage push pull ring 3 and making linkage track piece 301 be in the transverse slot position of spacing track groove 101, linkage push ring 3 can drive the synchronous rotation of locating shell group 5 through quantitative control lever 7, thereby release unidirectional stopper 6 to the spacing of piston rod 2 ascending, pulling piston rod 2 can be to the inside extraction reactant of suction cylinder 1 this moment, and is nimble convenient, the flexibility of the device has been improved.
Wherein, top positioning shell 501 and the both sides of location swivel 4 are equipped with spring sleeve and spring tube respectively, and spring tube peg graft in spring sleeve's inside, and spring tube's inside is equipped with the top spring 401 that resets, and the both ends of top spring 401 that resets are fixed connection respectively in spring tube's bottom and the top in the spring sleeve for the device linkage pull ring 3 and top positioning shell 501 can be automatic re-setting under the effect of top spring 401 that resets after the single interpolation is accomplished, thereby conveniently to the linkage pull ring 3 ration of pulling next time add equivalent reactant, and is convenient nimble.
Wherein, the body of rod outside at ration control lever 7 top is equipped with the screw thread, and one side of top positioning shell 501 is equipped with screw thread control block 5011, the inside of screw thread control block 5011 is equipped with the screw hole, and the body of rod at ration control lever 7 top passes through screw thread and twists the screw hole at screw thread control block 5011, thereby the device can rotate the height of ration control lever 7 regulation top positioning shell 501 according to reactant's addition, thereby realize the regulation of compression stroke at every turn to piston rod 2, after the regulation is accomplished, will link pull ring 3 resets, make linkage track piece 301 be located the vertical groove position of spacing track groove 101, pulling linkage pull ring 3 accessible quantitative control lever 7 drives top positioning shell 501 and moves down, can drive piston rod 2 synchronous downward phase shift through unidirectional tooth 601 in top positioning shell 501 when top positioning shell 501 moves down, thereby piston rod 2 compresses the inside of suction needle cylinder 1 with reactant and extrudes and adds in the vaccine sample, after the single addition is accomplished, thereby automatic reset can be in reset under the effect of reset spring 401, thereby the effect of conveniently to the next pulling linkage push ring 3, and the change the same amount of push ring 3, and the high-up and the high-speed air demand of the device can be used in the need of the high-speed of the same amount of time, and the high-speed air demand of the device, this device is used in the time, the high-speed air demand of the high-speed of the reaction can be increased, and the high-speed air demand in the device is used, and the high and can be easily and has high-speed and convenient and easy to be used.
Specific use and action of the embodiment:
in the invention, when detecting and testing a plurality of groups of vaccine samples, firstly, the reaction reagent is extracted into the suction needle cylinder 1 for standby, the linkage push pull ring 3 is rotated, so that the linkage track block 301 is positioned at the transverse groove part of the limit track groove 101, the height of the positioning rotating ring 4 can not be changed under the cooperation of the internal limit rotating ring 102 of the positioning rotating ring 4 and the middle limit rotating groove 103 of the barrel body of the suction needle cylinder 1 when rotating, the using height of the bottom positioning shell 502 can not be changed under the cooperation of the bottom limit rotating groove 103 of the bottom positioning shell 502 and the limit rotating ring 102 at the top of the suction needle cylinder 1 when rotating, thereby ensuring the stable use of the device, adding the reaction reagent to a plurality of groups of vaccine samples in equal quantity, being convenient and flexible, the linkage push ring 3 can drive the positioning shell group 5 to synchronously rotate through the quantitative control rod 7, thereby releasing the limit of the unidirectional limiting block 6 on the upward movement of the piston rod 2, at the moment, the piston rod 2 is pulled to extract the reaction reagent into the suction needle cylinder 1, the method is flexible and convenient, when the reaction reagent is added into a plurality of groups of vaccine samples, the quantitative control rod 7 is rotated according to the addition amount of the reaction reagent to adjust the height of the top positioning shell 501, thereby realizing the adjustment of each compression stroke of the piston rod 2, after the adjustment is completed, the linkage push pull ring 3 is reset, the linkage track block 301 is positioned at the vertical groove part of the limit track groove 101, at the moment, the linkage push pull ring 3 is pulled to drive the top positioning shell 501 to move downwards through the quantitative control rod 7, when the top positioning shell 501 moves downwards, the unidirectional latch 601 in the top positioning shell 501 can drive the piston rod 2 to synchronously move downwards by the unidirectional rack 201, thereby the piston rod 2 compresses the interior of the suction needle cylinder 1 to extrude and add the reaction reagent into the vaccine samples, the linkage push ring 3 and the top positioning shell 501 can be automatically reset under the action of the reset top spring 401 after the single addition is finished, thereby the equal amount of reaction reagent can be conveniently and flexibly added by quantitatively pulling the linkage push ring 3 next time, and the piston rod 2 of the linkage push ring 3 and the top positioning shell 501 can be limited to be upward by the unidirectional limiting block 6 inside the bottom positioning shell 502 in the resetting process, thereby the suction needle cylinder 1 can suck air in the resetting process of the linkage push ring 3 and the top positioning shell 501, the subsequent use of the device is influenced, the device is stable in use, the device is convenient and flexible, the compression stroke of the piston rod 2 is required to be controlled without adding the reaction reagent each time, the device is convenient and fast, the using height of the top positioning shell 501 can be controlled and fixed through the quantitative control rod 7 when the linkage push ring 3 is used, the top positioning shell 501 can be ensured to drive the compression stroke of the linkage push ring 3 each time to be the same when the linkage push ring 3 is released each time, the linkage push ring 3 and the top positioning shell 501 can be automatically reset under the action of the reset top spring 401, the subsequent use of the device is influenced, the equal amount of the reaction reagent is required to be conveniently and fast added each time, the reaction reagent is required to be conveniently and fast controlled, and the reaction reagent is convenient to be added each time.
The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (1)
1. A accuse volume interpolation device for human influenza vaccine detects, its characterized in that: comprises a piston rod (2), a linkage push-pull ring (3), a positioning swivel (4), a positioning shell group (5), a one-way limiting block (6) and a quantitative control rod (7); the piston rod (2) is inserted into the suction needle cylinder (1), and the bottom of the piston rod (2) is fixedly connected with a piston ring; the linkage push-pull ring (3) is sleeved outside the cylinder body of the suction needle cylinder (1); the positioning swivel (4) is rotationally connected to the middle part of the cylinder body of the suction needle cylinder (1), and the positioning swivel (4) is arranged at the top of the linkage push-pull ring (3); the positioning shell group (5) consists of a top positioning shell (501) and a bottom positioning shell (502); the top positioning shell (501) is rotationally connected to the outside of the rod body of the piston rod (2), and the bottom positioning shell (502) is rotationally connected to the top of the cylinder body of the suction needle cylinder (1); the one-way limiting block (6) is inserted into the positioning shell group (5); the bottom end of the quantitative control rod (7) body is rotationally connected inside the ring body of the linkage push-pull ring (3);
the two sides of the rod body of the piston rod (2) are respectively provided with a unidirectional rack (201), the outer side of the block body of the unidirectional limiting block (6) is provided with a unidirectional latch (601), the cross section of the gear teeth of the unidirectional racks (201) and the unidirectional latch (601) are triangular, the plane of the gear teeth of the unidirectional racks (201) is designed upwards, and the plane of the gear teeth of the unidirectional latch (601) is designed downwards;
the unidirectional racks (201) and the unidirectional latches (601) are arc-shaped in overlook shape, two symmetrical groups of unidirectional limiting blocks (6) are arranged in the top positioning shell (501) and the bottom positioning shell (502), positioning top springs (602) are arranged on the back of the unidirectional limiting blocks (6), and two ends of each positioning top spring (602) are fixedly connected in the positioning shell group (5) and the back side of a block body of each unidirectional limiting block (6) respectively;
the two sides of the top positioning shell (501) and the positioning swivel (4) are respectively provided with a spring sleeve and a spring barrel, the spring barrels are inserted into the spring sleeves, a reset top spring (401) is arranged in the spring barrels, and two ends of the reset top spring (401) are respectively and fixedly connected with the bottom in the spring barrels and the top in the spring sleeves;
the outer part of the rod body at the top of the quantitative control rod (7) is provided with threads, one side of the top positioning shell (501) is provided with a thread control block (5011), the inside of the thread control block (5011) is provided with a threaded hole, and the rod body at the top of the quantitative control rod (7) is screwed in the threaded hole of the thread control block (5011) through threads;
a linkage track block (301) is arranged on the inner side of the ring body of the linkage push pull ring (3), a limit track groove (101) is formed in the outer part of the cylinder body of the suction needle cylinder (1), the groove body path of the limit track groove (101) is L-shaped, and the linkage track block (301) is spliced in the limit track groove (101);
the top of suction cylinder (1) and the inside of location swivel (4) all are equipped with spacing swivel (102), and the barrel middle part of suction cylinder (1) and the bottom of end positioning shell (502) all are equipped with spacing groove (103), and spacing swivel (102) of suction cylinder (1) rotate to be connected in the spacing groove (103) of end positioning shell (502) inside, and in spacing groove (103) at suction cylinder (1) barrel middle part are rotated to spacing swivel (102) of location swivel (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110154789.6A CN113000084B (en) | 2021-02-04 | 2021-02-04 | A accuse volume adds device for human influenza vaccine detects |
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|---|---|---|---|
| CN202110154789.6A CN113000084B (en) | 2021-02-04 | 2021-02-04 | A accuse volume adds device for human influenza vaccine detects |
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| CN113000084B true CN113000084B (en) | 2023-05-26 |
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| CN104684604B (en) * | 2012-10-08 | 2018-06-05 | 特克法马许可公司 | Injection device with quantitative control device |
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| CN105709308A (en) * | 2015-12-31 | 2016-06-29 | 王超群 | Novel painless botulinum toxin quantitative injector |
| CN107158521B (en) * | 2017-06-26 | 2023-07-18 | 江苏德尔福医疗器械有限公司 | Fixed exhaust and reusable quantitative injection device |
| CN208432435U (en) * | 2018-07-21 | 2019-01-25 | 江西万雅生态旅游开发有限公司 | A kind of Soil K+adsorption reagent apparatus for placing |
| CN210813160U (en) * | 2019-09-03 | 2020-06-23 | 江西科技学院 | Quantitative injector |
| CN110585528A (en) * | 2019-10-21 | 2019-12-20 | 张正雄 | Quantitative continuous injector for livestock |
| CN212284079U (en) * | 2020-05-17 | 2021-01-05 | 陈明 | Quantitative filling device for environmental monitoring sampling for technical service |
| CN111714725B (en) * | 2020-07-14 | 2022-04-22 | 宁波睿爱产品设计有限公司 | Injection pen capable of achieving multiple quantitative injections |
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2021
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