CN213432299U

CN213432299U - Injection device for inoculation

Info

Publication number: CN213432299U
Application number: CN202021825139.7U
Authority: CN
Inventors: 田晓丽
Original assignee: Shanghai Yihao Biotechnology Co ltd
Current assignee: Shanghai Yihao Biotechnology Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-06-15
Anticipated expiration: 2030-08-27

Abstract

The utility model discloses an injection device that inoculation was used relates to medical instrument technical field, specifically is an injection device that inoculation was used, which comprises an outer shell, the inside of shell is provided with the injection tube, the top fixedly connected with top connecting block of injection tube, the internal thread of top connecting block has cup jointed the threaded rod, the outside activity of threaded rod has cup jointed the top fixed block, top fixed block fixed mounting is at the top of shell, the left end fixedly connected with hand wheel of shell. Drive the threaded rod through rotatory hand wheel and rotate, make the top connecting block remove along the threaded rod, drive the injection tube by the top connecting block again and remove, conveniently adjust the syringe needle and stretch out the outer length of shell, make the syringe needle can change the degree of depth of injection according to the needs of inoculation, improved the accuracy of injection, set up the handle through the bottom at the shell, can hold the handle with the hand and inject, avoid skidding at the in-process of injection, stability when having improved the injection.

Description

Injection device for inoculation

Technical Field

The utility model relates to the technical field of medical equipment, in particular to an injection device for inoculation.

Background

Vaccination means the injection of a vaccine to prevent diseases, which can stimulate the body to produce antibodies to prevent the occurrence of corresponding infectious diseases, and is an economical and effective protection measure for vaccination, and a syringe is a common medical tool, and the process of extracting and injecting gas or liquid with a needle is called injection. The injector consists of a syringe with a small hole at the front end and a matched piston core rod, and is used for injecting a small amount of liquid or extracting the liquid or the liquid from the inaccessible area by other methods, wherein the liquid or gas is sucked from the small hole at the front end of the syringe when the core rod is pulled out, and the liquid or gas is extruded when the core rod is pushed in.

The existing syringe for inoculation cannot adjust the injection depth according to different injection conditions in the using process and can only be adjusted by the experience of medical personnel, the medical personnel is required to have better injection experience, meanwhile, the existing syringe needs to be pressed to inject in the using process, the injection speed is difficult to control due to the fact that the pressure during pressing is large, and therefore the injection device for inoculation is provided.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art, the utility model provides an injection device that inoculation was used has solved the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an injection device that inoculation was used, includes the shell, the inside of shell is provided with the injection tube, the top fixedly connected with top connecting block of injection tube, the internal thread of top connecting block has cup jointed the threaded rod, the outside activity of threaded rod has cup jointed the top fixed block, top fixed block fixed mounting is at the top of shell, the left end fixedly connected with hand wheel of shell, the right-hand member fixedly connected with syringe needle of injection tube, the piston has been cup jointed in the inside activity of injection tube, the lead screw has been cup jointed in the left side activity of piston, the left end fixedly connected with connecting block of lead screw, the left end fixedly connected with sealing block of injection tube, the lead screw cup joints together with sealing block screw.

Optionally, the top of shell has been seted up the spout, top connecting block joint is in the inside of spout, spout symmetric distribution is in the upper and lower both sides of shell.

Optionally, the front of the shell is provided with an observation window, the bottom of the shell is fixedly connected with a handle, and the interior of the handle is designed to be hollow.

Optionally, the outer surface of the syringe barrel is provided with scale marks, and the scale marks correspond to the observation window.

Optionally, the bottom of the injection tube is fixedly connected with a bottom connecting block, a sliding rod is movably sleeved inside the bottom connecting block, two ends of the sliding rod are fixedly connected with bottom fixing blocks, and the top of each bottom fixing block is fixedly connected to the bottom of the shell.

The utility model provides an injection device that inoculation was used possesses following beneficial effect:

1. this injection device that inoculation was used, drive the threaded rod through rotatory hand wheel and rotate, make the top connecting block remove along the threaded rod, drive the injection tube by the top connecting block again and remove, conveniently adjust the syringe needle and stretch out the outer length of shell, make the syringe needle can change the degree of depth of injection according to the needs of inoculation, the accuracy of injection has been improved, set up the handle through the bottom at the shell, can hold the handle with the hand and inject, avoid skidding at the in-process of injection, stability when having improved the injection.

2. This injection device that inoculation was used through the cooperation of connecting block and sealed piece, and the swivelling joint piece drives the lead screw and rotates when injecting, makes the lead screw promote the piston and moves forward, conveniently controls the speed that the piston gos forward, pressure when reducing the injection.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic sectional view of the present invention.

In the figure: 1. a housing; 2. a chute; 3. an observation window; 4. a grip; 5. an injection tube; 6. a top connecting block; 7. a threaded rod; 8. a top fixing block; 9. a hand wheel; 10. a needle head; 11. a piston; 12. a screw rod; 13. connecting blocks; 14. a sealing block; 15. scale lines; 16. a bottom connecting block; 17. a slide bar; 18. and a bottom fixing block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 2, the present invention provides a technical solution: an injection device for inoculation comprises a shell 1, a chute 2 is arranged at the top of the shell 1, a top connecting block 6 is clamped inside the chute 2, the chute 2 is symmetrically distributed at the upper side and the lower side of the shell 1, an observation window 3 is arranged on the front side of the shell 1, a handle 4 is fixedly connected at the bottom of the shell 1, the interior of the handle 4 is of a hollow design, the handle 4 can be held by hands to inject by arranging the handle 4 at the bottom of the shell 1, the slipping in the injection process is avoided, the stability in the injection process is improved, the weight of the handle 4 can be reduced by the hollow design, the use fatigue is avoided, an injection tube 5 is arranged inside the shell 1, the top connecting block 6 is fixedly connected at the top of the injection tube 5, a threaded rod 7 is sleeved on the internal thread of the top connecting block 6, a top fixing block 8 is sleeved on the external part of the, the left end fixedly connected with hand wheel 9 of the outer cover 1, drive the threaded rod 7 to rotate through rotating the hand wheel 9, make the top connecting block 6 move along the threaded rod 7, drive the syringe 5 to move by the top connecting block 6 again, it is convenient to adjust the length that the syringe 10 stretches out of the outer cover 1, make the syringe 10 change the depth of injection according to the needs of inoculation, the accuracy of injection has been improved, the right-hand member fixedly connected with syringe 10 of the syringe 5, the internal activity of the syringe 5 has cup jointed the piston 11, the left side activity of the piston 11 has cup jointed the lead screw 12, the left end fixedly connected with connecting block 13 of the lead screw 12, the left end fixedly connected with sealed block 14 of the syringe 5, the lead screw 12 cup joints together with the sealed block 14 screw thread, use through the cooperation of connecting block 13 and sealed block 14, the rotary connecting block 13 drives the lead screw 12 to rotate, make things convenient for the speed that control piston 11 gos forward, pressure when reducing the injection, the surface of injection tube 5 is provided with scale mark 15, scale mark 15 is corresponding with observation window 3, bottom fixedly connected with bottom connecting block 16 of injection tube 5, slide bar 17 has been cup jointed in the inside activity of bottom connecting block 16, the both ends fixedly connected with bottom fixed block 18 of slide bar 17, through setting up slide bar 17, when injection tube 5 removes, bottom connecting block 16 can slide along slide bar 17, improve the stability of injection tube 5 at the removal in-process, avoid injection tube 5 to rock, the top fixed connection of bottom fixed block 18 is in the bottom of shell 1.

In conclusion, when the injection device for inoculation is used, the rotating hand wheel 9 drives the threaded rod 7 to rotate, the top connecting block 6 moves along the threaded rod 7, the top connecting block 6 drives the injection tube 5 to move, the length of the needle 10 extending out of the shell 1 is convenient to adjust, the needle 10 can change the injection depth according to the inoculation requirement, then the injection tube 5 is used for extracting a vaccine to be inoculated, the needle 10 is pricked into a body, the rotating connecting block 13 drives the screw rod 12 to rotate, and the screw rod 12 pushes the piston 11 to move forwards for injection.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. An injection device for vaccination comprising a housing (1), characterized in that: an injection tube (5) is arranged in the shell (1), the top of the injection tube (5) is fixedly connected with a top connecting block (6), a threaded rod (7) is sleeved on the inner thread of the top connecting block (6), a top fixing block (8) is movably sleeved on the outer part of the threaded rod (7), the top fixing block (8) is fixedly arranged at the top of the shell (1), the left end of the shell (1) is fixedly connected with a hand wheel (9), the right end of the injection tube (5) is fixedly connected with a needle head (10), the interior of the injection tube (5) is movably sleeved with a piston (11), a screw rod (12) is movably sleeved on the left side of the piston (11), a connecting block (13) is fixedly connected with the left end of the screw rod (12), the left end of the injection cylinder (5) is fixedly connected with a sealing block (14), and the screw rod (12) is sleeved with the sealing block (14) in a threaded manner.

2. An inoculating injection device as claimed in claim 1, wherein: spout (2) have been seted up at the top of shell (1), top connecting block (6) joint is in the inside of spout (2), spout (2) symmetric distribution is in the upper and lower both sides of shell (1).

3. An inoculating injection device as claimed in claim 1, wherein: the front of shell (1) has seted up observation window (3), the bottom fixedly connected with handle (4) of shell (1), the inside of handle (4) is the cavity design.

4. An inoculating injection device as claimed in claim 3, in which: the outer surface of the injection cylinder (5) is provided with scale marks (15), and the scale marks (15) correspond to the observation window (3).

5. An inoculating injection device as claimed in claim 1, wherein: the bottom fixedly connected with bottom connecting block (16) of injection cylinder (5), slide bar (17) have been cup jointed in the inside activity of bottom connecting block (16), the both ends fixedly connected with bottom fixed block (18) of slide bar (17), the top fixed connection of bottom fixed block (18) is in the bottom of shell (1).