CN113000084A

CN113000084A - A accuse volume adds device for human influenza vaccine detects

Info

Publication number: CN113000084A
Application number: CN202110154789.6A
Authority: CN
Inventors: 李福祥
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2021-06-22
Anticipated expiration: 2041-02-04
Also published as: CN113000084B

Abstract

The invention discloses a quantity-controlled adding device for detecting human influenza vaccine, relates to the technical field of quantitative adding devices, and solves the problem that the existing injector cannot automatically add reaction reagents in equal quantity for multiple times. A quantity control adding device for human influenza vaccine detection comprises a quantitative control rod; the bottom of the quantitative control rod body is rotatably connected inside the ring body of the linkage push-pull ring. The device can be through the use height of quantitative control lever control and fixed top location shell to make can guarantee to push up the location shell and drive the linkage and push away the compression stroke the same at every turn of pull ring when pulling the linkage and pushing away the pull ring at every turn, and when loosening the linkage and pushing away the pull ring, the linkage pushes away the pull ring and pushes away the location shell and can reset automatically under the effect of spring that resets, thereby realizes adding reactant to the bacterin sample of many times equivalent, all need control the compression stroke of piston rod when need not at every turn filling reactant.

Description

A accuse volume adds device for human influenza vaccine detects

Technical Field

The invention belongs to the technical field of quantitative adding devices, and particularly relates to a quantitative adding device for human influenza vaccine detection.

Background

The quantity-controlled adding device is used for carrying out flow-controlled injection on liquid for vaccine detection, can be accurately and quantitatively added, influenza is an acute respiratory infectious disease which can cause large-scale influenza and is caused by influenza virus, the influenza has more serious symptoms and stronger infectivity compared with the common cold, the antibiotic treatment is ineffective, but the influenza can be prevented, the influenza vaccine inoculation is the most effective prevention method at present, the influenza vaccine is used for preventing influenza (influenza for short) caused by influenza virus, the quantity-controlled adding device is suitable for any healthy people which can be infected with the influenza virus, the quantity-controlled adding device is used for carrying out the flow-controlled injection on the liquid for vaccine detection, and the immunity can be continued for one year.

If the application number is: in the patent of CN201911286540.X, a vaccine freezing storage detection device and a use method thereof are disclosed, the vaccine freezing storage detection device comprises a freezing box, wherein an electric cabinet is installed on one side of the freezing box, heat dissipation holes are formed in one side of the electric cabinet, a motor is installed inside 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 long circular hole is formed in one side of the vaccine installation cylinder in a penetrating mode. Run through in the inside of air conditioning conveyer trough through the cold air duct, dredge the laminating of open-ended between the through-hole through venthole and air conditioning, air conditioning is dredged the through-hole cooperation air conditioning and is gone out the surface that the hole discharged air conditioning to the vaccine bottle uniformly, drive a bacterin installation section of thick bamboo through the transfer line and rotate, on the one hand, can make air conditioning and vaccine bottle even contact, on the other hand, made things convenient for the vaccine bottle of taking from the chamber door, this device simple structure, it is nimble to use, can effectively make the vaccine bottle by even freezing, slow down bacterin inactivation speed.

At present, the vaccine can be through a lot of detection and experiments before putting into use, when detecting and experimenting the vaccine, often will test multiunit vaccine sample together in order to guarantee the accuracy of experiment or detection, will use the syringe to the multiunit vaccine sample in equal amount add reaction reagent at this in-process.

When adding reagent to the bacterin, current syringe need a lot of times equivalent to add reagent to the bacterin in, the step is loaded down with trivial details, and testing personnel need pay attention to reagent in the addition of every group sample extraordinarily when adding reagent, ensures that the reagent addition of every group bacterin sample is the same, but current syringe can not satisfy automatic a lot of equivalent reagent that adds, leads to this process to waste time and energy, and intensity of labour is big, and the practicality is not high.

Therefore, in view of the above, research and improvement are made for the existing structure and defects, and a quantity control adding device for human influenza vaccine detection is provided, so as to achieve the purpose of more practical value.

Disclosure of Invention

In order to solve the technical problems, the invention provides a quantity control adding device for detecting human influenza vaccines, which is used for solving the problems that when an existing injector is used for adding reaction reagents into vaccines, the reaction reagents are required to be added into the vaccines in equal quantity for multiple times, the steps are complicated, and when the reaction reagents are added, detection personnel need to pay extra attention to the adding quantity of the reaction reagents in each group of samples, so that the adding quantity of the reaction reagents in each group of vaccine samples is ensured to be the same, but the existing injector cannot meet the requirement of automatic multiple times of equal quantity addition of the reaction reagents, so that the process is time-consuming and labor-consuming, the labor intensity is high, and the practicability.

The purpose and the effect of the quantity control adding device for detecting the human influenza vaccine are achieved by the following specific technical means:

a quantity control adding device for human influenza vaccine detection 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 in 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 syringe barrel; the positioning rotating ring is rotatably connected to the middle part of the cylinder body of the suction needle cylinder, and the positioning rotating ring 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 outer part 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 rotatably connected inside the ring body of the linkage push-pull ring.

Further, the both sides of the piston rod body of rod all are equipped with one-way rack, and the block outside of one-way stopper is equipped with one-way latch, and the teeth of a cogwheel cross-sectional shape of one-way rack and one-way latch is triangle-shaped, and the plane of the teeth of a cogwheel of one-way rack is for designing up, and the teeth of a cogwheel plane of one-way latch is for designing down.

Furthermore, one-way rack and one-way latch overlook the shape and are the arc design, and one-way stopper all is equipped with two sets of symmetry in the inside of top location shell and end location shell, and the back of one-way stopper is equipped with the location top spring, and the both ends difference fixed connection of location top spring is in the inside of location shell group and the inside of one-way stopper block dorsal part.

Furthermore, the two sides of the top positioning shell and the positioning rotating ring are respectively provided with a spring sleeve and a spring cylinder, the spring cylinder is inserted in the spring sleeve, a reset top spring is arranged in the spring cylinder, and two ends of the reset top spring are respectively and fixedly connected to the bottom in the spring cylinder and the top in the spring sleeve.

Furthermore, the outside of the rod body at the top of the quantitative control rod is provided with threads, one side of the top positioning shell is provided with a thread control block, the inside of the thread control block is provided with a threaded hole, and the rod body at the top end of the quantitative control rod is screwed in the threaded hole of the thread control block through the threads.

Furthermore, a linkage track block is arranged on the inner side of the ring body of the linkage push-pull ring, a limiting track groove is formed in the outer portion of the barrel body of the suction needle cylinder, the groove body path of the limiting track groove is in an L-shaped design, and the linkage track block is inserted into the limiting track groove.

Furthermore, the top of suction cylinder and the inside of location change are all equipped with spacing change, and the barrel middle part of suction cylinder and the bottom of end location shell all are equipped with spacing rotary slot, and the spacing change of suction cylinder rotates to be connected inside the spacing rotary slot of end location shell, and the spacing change of location change rotates to be connected in the spacing rotary slot at suction cylinder barrel middle part.

Compared with the prior art, the invention has the following beneficial effects:

the device is when using, can be through the use height of quantitative control lever control and fixed top location shell, thereby make and to guarantee that the top location shell drives linkage push-pull ring compression stroke at every turn the same when pulling linkage push-pull ring at every turn, and when loosening linkage push-pull ring, linkage push-pull ring and top location shell can be automatic re-setting under the effect of spring that resets, thereby realize adding reactant to the bacterin sample by a lot of equivalent, convenient operation, the compression stroke that all needs control piston rod when need not to annotate reactant at every turn, convenient and fast, the automation degree is high, the flexibility and the practicality of the device are improved.

Firstly, when the reaction reagent is extracted from the interior of the suction needle cylinder, the linkage push-pull ring is rotated, so that the linkage track block is positioned at the transverse groove part of the limiting track groove, the linkage push-pull ring can drive the positioning shell group to synchronously rotate through the quantitative control rod, the limit of the one-way limiting block on the upward movement of the piston rod is removed, the piston rod can be pulled to extract the reaction reagent from the interior of the suction needle cylinder at the moment, the device is flexible and convenient, and the flexibility of the device is improved.

Secondly, when the same amount of reaction reagent is needed to be filled into a plurality of groups of vaccine samples, the quantitative control rod is rotated according to the addition amount of the reaction reagent to adjust the height of the top positioning shell, so that the adjustment of each compression stroke of the piston rod is realized, 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 limiting track groove, the linkage push-pull ring can be pulled to 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 to synchronously move downwards at the same height through the one-way latch teeth in the top positioning shell through the one-way rack, so that the reaction reagent is extruded and added into the vaccine samples by the interior of the piston rod compression suction syringe, the linkage push-pull ring and the top positioning shell can automatically reset under the action of the reset top spring after the single, convenient flexibility, and linkage push-pull ring and top location shell piston rod can be restricted by the inside one-way stopper of end location shell and go upward at the in-process that resets to make the suction cylinder push-pull ring and the reset in-process inhaled air of top location shell in the linkage, influence the subsequent use of the device, it is stable to use, convenient flexibility, need all control the compression stroke of piston rod when need not to annotate reaction reagent at every turn, convenient and fast, degree of automation is high, the flexibility and the practicality of the device have been improved.

Furthermore, the location change ring can not change the height of location change ring under the cooperation in the inside spacing change ring of location change ring and the spacing change groove in suction syringe barrel middle part when rotating, and end location shell can not change the use height of end location shell under the cooperation in the spacing change groove in end location shell bottom and the spacing change ring at suction syringe top when rotating, thereby guarantee that the device uses stably, can be stable to multiunit bacterin sample medium-quantity addition reaction reagent, and is convenient nimble, the stability and the durability of the device have been improved.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic view of the internal structure of the present invention.

Fig. 3 is a schematic view of the internal structure of the linkage rail block of the present invention at the position of the transverse slot of the limiting rail slot.

FIG. 4 is a schematic view of the internal structure of the present invention when reaction reagents are added in equal amounts.

Fig. 5 is a schematic view of the suction syringe, plunger rod and positioning swivel of the present invention shown disassembled.

Fig. 6 is a schematic structural diagram of the one-way limiting block of the present invention.

FIG. 7 is a schematic view of the linkage push-pull ring and the dosing control lever of the present invention after disassembly.

Fig. 8 is a schematic structural view of the bottom positioning shell of the present invention.

Fig. 9 is an enlarged schematic structural view of a portion a in fig. 2 according to the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a suction syringe; 2. a piston rod; 3. a pull ring is pushed in a linkage manner; 4. positioning the swivel; 5. positioning the shell group; 6. a one-way limiting block; 7. a quantitative control lever; 101. limiting the track groove; 102. a limiting rotating ring; 103. a limiting rotary groove; 201. a unidirectional rack; 301. linkage track blocks; 401. resetting the top spring; 501. a top positioning shell; 502. a bottom positioning shell; 601. one-way latch; 602. positioning a top spring; 5011. and a thread control block.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 9:

the invention provides a quantity control adding device for human influenza vaccine detection, 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, wherein the piston rod is connected with the positioning swivel through a connecting rod; the piston rod 2 is inserted 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 syringe 1 and the inside of the positioning swivel 4 are both provided with a limiting swivel 102, the middle of the barrel body of the suction syringe 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 syringe 1 is rotatably connected inside the limiting swivel 103 of the bottom positioning shell 502, the limiting swivel 102 of the positioning swivel 4 is rotatably connected in the limiting swivel 103 in the middle of the barrel body of the suction syringe 1, the positioning swivel 4 cannot change the height of the positioning swivel 4 under the matching action of the limiting swivel 102 inside the positioning swivel 4 and the limiting swivel 103 in the middle of the barrel body of the suction syringe 1 when rotating, and the bottom positioning shell 502 cannot change the use height of the bottom positioning shell 502 under the matching action of the limiting swivel 103 at the bottom of the bottom positioning shell 502 and the limiting swivel 102 at the top of the suction syringe 1 when rotating, thereby ensuring the stable use of the device, and being capable of stably adding reaction reagents into a plurality of vaccine samples in equal amount, the device is convenient and flexible, and the stability and the durability of the device are improved; the two sides of the rod body of the piston rod 2 are both provided with one-way racks 201, the outer sides of the block bodies of the one-way limiting blocks 6 are provided with one-way clamping teeth 601, the cross sections of the gear teeth of the one-way racks 201 and the one-way clamping teeth 601 are triangular, the planes of the gear teeth of the one-way racks 201 are designed upwards, and the planes of the gear teeth of the one-way clamping teeth 601 are designed downwards, so that when the one-way clamping teeth 601 are clamped with the one-way racks 201, the one-way limiting blocks 6 can limit the piston rod 2 upwards, and the piston; the linkage push-pull ring 3 is sleeved outside the cylinder body of the suction syringe 1; the linkage track block 301 is arranged on the inner side of the ring body of the linkage push-pull ring 3, the limiting track groove 101 is arranged on the outer portion of the barrel body of the suction needle barrel 1, the groove body path of the limiting track groove 101 is in an L-shaped design, and the linkage track block 301 is inserted into the limiting track groove 101, so that the linkage track block 301 of the linkage push-pull ring 3 can be limited in the movement track by the limiting track groove 101, the linkage push-pull ring 3 cannot be inclined or twisted during movement and rotation to cause the phenomenon of device jamming, the device is stable to use, and the stability of the device is improved; the positioning rotary ring 4 is rotationally connected with the middle part of the cylinder body of the suction needle cylinder 1, and the positioning rotary ring 4 is arranged on 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 barrel body of the suction syringe 1; the one-way limiting block 6 is inserted into the positioning shell group 5; the bottom end of the quantitative control rod 7 is rotatably connected inside the ring body of the linkage push-pull ring 3.

Wherein, one-way rack 201 and one-way latch 601 overlook the shape and are the arc design, and one-way stopper 6 all is equipped with two sets of symmetries in the inside of top location shell 501 and end location shell 502, the back of one-way 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 location shell group 5 and the inside of one-way stopper 6 block dorsal part, this design makes when rotating linkage push-pull ring 3 and making linkage track piece 301 be in the cross slot position of spacing track groove 101, linkage push-pull ring 3 can drive location shell group 5 synchronous rotation through quantitative control pole 7, thereby remove one-way stopper 6 spacing of going up to piston rod 2, pull piston rod 2 can be to the inside extraction reactant that sucks syringe 1 this moment, and is nimble convenient, the flexibility of the device has been improved.

Wherein, the both sides of top location shell 501 and location swivel 4 are equipped with spring sleeve and spring cylinder respectively, and the spring cylinder is pegged graft in spring sleeve's inside, and spring cylinder's inside is equipped with the top spring 401 that resets, and the both ends of the top spring 401 that resets are fixed connection respectively in the bottom in the spring cylinder and the top in the spring sleeve for the linkage pushes away pull ring 3 and top location shell 501 can reset automatically under the effect of the top spring 401 that resets after the device single interpolation is accomplished, thereby conveniently pushes away the linkage and pushes away the pull ring 3 ration and add equivalent reaction reagent to the pulling linkage next time, and is convenient nimble.

Wherein, the outside 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 end of the quantitative control rod 7 is screwed in the threaded hole of the thread control block 5011 through threads, so that the device can rotate the quantitative control rod 7 to adjust the height of the top positioning shell 501 according to the addition amount of a reaction reagent, thereby realizing the adjustment of each compression stroke of the piston rod 2, resetting the linkage push-pull ring 3 after the adjustment is completed, enabling the linkage track block 301 to be positioned at the vertical groove part of the limiting track groove 101, pulling the linkage push-pull ring 3 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 piston rod 2 can be driven to synchronously move downwards at the same height through the one-way rack 201 through the one-way latch 601 inside the top positioning shell 501, linkage push-pull ring 3 and top location shell 501 can be automatic re-setting under the effect of reset top spring 401 after the single interpolation is accomplished, thereby the convenience pushes away the linkage push-pull ring 3 ration to the pulling next time and adds equivalent reaction reagent, it is convenient nimble, and the linkage push-pull ring 3 and top location shell 501 can go upward by the inside one-way stopper 6 restriction of end location shell 502 at the in-process piston rod 2 that resets, thereby make suction cylinder 1 push away pull ring 3 and top location shell 501's in-process suction air in the linkage, influence the subsequent use of the device, the use is stable, convenient and flexible, need not all to control piston rod 2's compression stroke when filling reaction reagent at every turn, and is convenient and fast, the automation degree is high, the flexibility and the practicality of the device are improved.

The specific use mode and function of the embodiment are as follows:

in the invention, when a plurality of groups of vaccine samples are detected and tested, the reaction reagent is firstly extracted into the suction syringe 1 for standby application, the linkage push-pull ring 3 is rotated, so that the linkage track block 301 is positioned at the transverse groove part of the limiting track groove 101, the height of the positioning rotary ring 4 cannot be changed under the matching action of the limiting rotary ring 102 in the positioning rotary ring 4 and the limiting rotary groove 103 in the middle of the barrel body of the suction syringe 1 when the positioning rotary ring 4 rotates, the use height of the bottom positioning shell 502 cannot be changed under the matching action of the limiting rotary groove 103 at the bottom of the bottom positioning shell 502 and the limiting rotary ring 102 at the top of the suction syringe 1 when the bottom positioning shell 502 rotates, thereby ensuring the stable use of the device, adding the reaction reagent into a plurality of groups of vaccine samples in equal amount, being convenient and flexible, the linkage push-pull ring 3 can drive the positioning shell group 5 to synchronously rotate through the quantitative control rod 7, thereby removing the limit of the upward movement, 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, so that the piston rod 2 is adjusted in each compression stroke, the linkage push-pull ring 3 is reset after the adjustment is finished, the linkage track block 301 is positioned at the vertical groove part of the limiting track groove 101, the linkage push-pull ring 3 can drive the top positioning shell 501 to move downwards through the quantitative control rod 7, when the top positioning shell 501 moves downwards, the piston rod 2 can be driven by the one-way latch teeth 601 in the top positioning shell 501 through the one-way rack 201 to synchronously move downwards at the same height, so that the reaction reagent is extruded and added into the vaccine samples by compressing the inside of the suction syringe 1 by the piston rod 2, and after the single addition is finished, the linkage push-pull ring 3 and the top positioning shell 501 can automatically reset under the action of the reset top spring 401, therefore, the quantitative addition of the equivalent reaction reagent to the linkage push-pull ring 3 is convenient and flexible, the linkage push-pull ring 3 and the top positioning shell 501 can be limited by the one-way limiting block 6 in the bottom positioning shell 502 to move upwards in the resetting process, so that the air is sucked by the suction needle cylinder 1 in the resetting process of the linkage push-pull ring 3 and the top positioning shell 501, the subsequent use of the device is influenced, the use is stable, the convenience and flexibility are realized, the compression stroke of the piston rod 2 is not required to be controlled when the reaction reagent is injected each time, the convenience and rapidness are realized, the automation degree is high, when the device is used, the use height of the top positioning shell 501 can be controlled and fixed through the quantitative control rod 7, the compression stroke of the linkage push-pull ring 3 driven by the top positioning shell 501 is the same each time when the linkage push-pull ring 3 is pulled each time, and when the linkage push-pull ring 3 is loosened, the linkage push-pull ring 3 and the top positioning shell, thereby realize adding reagent to the bacterin sample of many times equivalent, convenient operation need not all to control the compression stroke of piston rod 2 when filling reagent at every turn, convenient and fast, and degree of automation is high.

The embodiments of the present 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 embodiment was 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. A accuse volume adds device for human influenza vaccine detects which characterized in that: the device comprises a piston rod (2), a linkage push-pull ring (3), a positioning rotating ring (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 syringe (1); the positioning rotating ring (4) is rotatably connected to the middle part of the cylinder body of the suction needle cylinder (1), and the positioning rotating ring (4) is arranged on the top of the linkage push-pull ring (3); the positioning shell group (5) is composed of a top positioning shell (501) and a bottom positioning shell (502); the top positioning shell (501) is rotatably connected to the outer part 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 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) is rotatably connected inside the ring body of the linkage push-pull ring (3).

2. The controlled-volume adding device for detecting the human influenza vaccine as claimed in claim 1, wherein: the both sides of the piston rod (2) body of rod all are equipped with one-way rack (201), and the block outside of one-way stopper (6) is equipped with one-way latch (601), and the teeth of a cogwheel cross-sectional shape of one-way rack (201) and one-way latch (601) is triangle-shaped, and the plane of the teeth of a cogwheel of one-way rack (201) designs for up, and the teeth of a cogwheel plane of one-way latch (601) designs for down.

3. The controlled-volume adding device for detecting the human influenza vaccine as claimed in claim 2, wherein: one-way rack (201) and one-way latch (601) overlook the shape and are the arc design, and one-way stopper (6) all are equipped with two sets of symmetry in the inside of top location shell (501) and end location shell (502), and the back of one-way stopper (6) is equipped with location top spring (602), and the both ends difference fixed connection of location top spring (602) is in the inside of location shell group (5) and the inside of one-way stopper (6) block dorsal part.

4. The controlled-volume adding device for detecting the human influenza vaccine as claimed in claim 1, wherein: the two sides of the top positioning shell (501) and the positioning rotating ring (4) are respectively provided with a spring sleeve and a spring barrel, the spring barrel is inserted into the spring sleeve, a reset top spring (401) is arranged inside the spring barrel, and the two ends of the reset top spring (401) are respectively and fixedly connected to the bottom inside the spring barrel and the top inside the spring sleeve.

5. The controlled-volume adding device for detecting the human influenza vaccine as claimed in claim 1, wherein: the outside of the body of rod at quantitative control pole (7) top is equipped with the screw thread, and one side of top location shell (501) is equipped with screw thread control piece (5011), and the inside of screw thread control piece (5011) is equipped with the screw hole, and the body of rod on quantitative control pole (7) top passes through the screw thread and twists in the screw thread of screw thread control piece (5011).

6. The controlled-volume adding device for detecting the human influenza vaccine as claimed in claim 1, wherein: linkage track piece (301) are established to the ring body inboard of linkage push-pull ring (3), and the barrel outside of suction syringe (1) is equipped with spacing track groove (101), and the cell body route of spacing track groove (101) is "L" shape design, and links track piece (301) and pegs graft in the inside of spacing track groove (101).

7. The controlled-volume adding device for detecting the human influenza vaccine as claimed in claim 1, wherein: the top of suction syringe (1) and the inside of location change (4) all are equipped with spacing change (102), and the barrel middle part of suction syringe (1) and the bottom of end location shell (502) all are equipped with spacing rotary slot (103), and spacing change (102) of suction syringe (1) rotate to be connected inside spacing rotary slot (103) of end location shell (502), and spacing change (102) of location change (4) rotate to be connected in spacing rotary slot (103) at suction syringe (1) barrel middle part.