CN211962745U

CN211962745U - Convenient and fast medical injector

Info

Publication number: CN211962745U
Application number: CN201821391242.8U
Authority: CN
Inventors: 闻一
Original assignee: Guangzhou Dadao Medical Technology Co ltd
Current assignee: Changzhou Longlaifu Medical Material Co ltd
Priority date: 2018-08-28
Filing date: 2018-08-28
Publication date: 2020-11-20
Anticipated expiration: 2028-08-28

Abstract

The utility model relates to the technical field of medical equipment, and a convenient quick medical syringe is disclosed, including syringe casing, syringe casing's top threaded connection has the installation cap, the first spring of inner wall top fixedly connected with of the bottom of installation cap, the bottom fixedly connected with piston of first spring, the locating hole has been seted up to one side of syringe casing, the inner wall of locating hole is provided with spring switch, the mounting groove has been seted up to one side of piston, the inner wall fixedly connected with second spring of mounting groove, one side fixedly connected with reference column of second spring, the reference column is pegged graft with the locating hole, the positive fixedly connected with limiting plate of piston, the bar hole has been seted up in syringe casing's front. The utility model provides a current syringe need extract the liquid medicine many times, and injection efficiency is lower, and takes place to rock when carrying and causes the inside liquid medicine of syringe to extrude very easily, leads to the extravagant problem of liquid medicine.

Description

Convenient and fast medical injector

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a convenient and quick medical injector.

Background

The syringe is a common medical appliance, and as early as the 15 th century, the principle of the syringe is proposed by kathler in italy, and the syringe is mainly used for extracting or injecting gas or liquid by using a needle, can also be used for injecting through a rubber diaphragm in medical equipment, containers and some scientific instruments in chromatography, and the appearance of the syringe is an epoch-making revolution in the field of medical appliances and is called as injection in the process of extracting or injecting gas or liquid by using the needle.

Inside current syringe used the syringe to extract the liquid medicine when using mostly, then injecting, the liquid medicine all need be extracted again after injection at every turn, when the inside absorption of syringe has the liquid medicine, rocks and causes the inside liquid medicine of syringe to extrude very easily, carries very inconveniently, and can lead to the liquid medicine extravagant, current syringe is the hand propelled injection basically when the injection in addition, and hand propelled injection efficiency is lower.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a convenient quick medical syringe possesses and need not to extract the liquid medicine many times, conveniently carries it, and injection efficiency advantage such as higher, has solved current syringe and need extract the liquid medicine many times, and injection efficiency is lower, and takes place to rock when carrying and causes the inside liquid medicine of syringe to extrude very easily, leads to the extravagant problem of liquid medicine.

(II) technical scheme

Need not to extract the liquid medicine many times for realizing the aforesaid, conveniently carry it, and inject the higher purpose of efficiency, the utility model provides a following technical scheme: a convenient and quick medical injector comprises an injector shell, wherein the top of the injector shell is in threaded connection with an installation cap, the top of the inner wall of the bottom of the installation cap is fixedly connected with a first spring, the bottom of the first spring is fixedly connected with a piston, one side of the injector shell is provided with a positioning hole, the inner wall of the positioning hole is provided with a spring switch, one side of the piston is provided with a mounting groove, the inner wall of the mounting groove is fixedly connected with a second spring, one side of the second spring is fixedly connected with a positioning column, the positioning column is spliced with the positioning hole, the front of the piston is fixedly connected with a limiting plate, the front of the injector shell is provided with a strip-shaped hole, the limiting plate is movably connected with the inner wall of the strip-shaped hole, one side of the injector shell is provided, the top swing joint of supporting component has the liquid medicine capsule, the bottom threaded connection of syringe casing has the syringe needle subassembly, the bottom cover of syringe needle subassembly is equipped with the lag.

Preferably, one side of the syringe shell is fixedly connected with a handle, and the surface of the handle is provided with resistance-increasing rubber.

Preferably, the radius of the middle part of the positioning hole is larger than the radius of the two ends of the positioning hole.

Preferably, the spring switch comprises a third spring and a pressing column, the third spring is sleeved with the pressing column, and a limiting ring is sleeved on the surface of the pressing column.

Preferably, the supporting component comprises a limiting seat, a fourth spring is fixedly connected to the inner wall of the limiting seat, a supporting plate is fixedly connected to the top of the fourth spring, a needle penetrating hole is formed in the top of the supporting plate, and the liquid medicine capsule is located on the top of the supporting plate.

Preferably, the medical liquid capsule is filled with medical liquid.

Preferably, the needle assembly comprises a mounting sleeve, and an injection needle is fixedly connected to the inner wall of the mounting sleeve.

(III) advantageous effects

Compared with the prior art, the utility model provides a convenient quick medical syringe possesses following beneficial effect:

1. the convenient and fast medical injector saves the link of extracting liquid medicine by traditional injection, directly makes the liquid medicine into a liquid medicine capsule, does not generate the phenomenon of liquid medicine spraying position caused by shaking when the injector is carried, leads the carrying to be more convenient, when in use, places the liquid medicine capsule on a supporting component from a medicine placing port, when in injection, pierces the lower end of a needle head component into the skin, presses a spring switch, the spring switch extrudes a positioning column to separate the positioning column from a positioning hole, the piston rapidly moves downwards under the pushing of a first spring, the piston extrudes the liquid medicine capsule in the motion process of the piston, leads the supporting component to move downwards, leads the upper end of the needle head component to penetrate through the supporting component and pierce the liquid medicine capsule in the moving process of the supporting component, thereby leading the liquid medicine to be injected into a human body through the needle head component, and the whole process does not need manual, the injection efficiency is higher.

2. This convenient quick medical syringe, through all setting threaded connection to installation cap and syringe needle subassembly and syringe casing, when needs are cleared up or are changed the accessory to the syringe, through rotating installation cap or syringe needle subassembly, can directly dismantle it, it maintains to have made things convenient for to clear up it, and through setting up limiting plate and bar hole, when once the injection finishes, upwards stimulate the limiting plate, make the piston upward movement, when the initial position is moved to the piston, the second spring promotes the reference column and removes, make the reference column peg graft in the locating hole, thereby make the quick powder charge that carries on of syringe, make its more quick injection that carries on next.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a schematic structural view of the piston of the present invention;

fig. 4 is a schematic structural diagram of the spring switch of the present invention;

FIG. 5 is an enlarged view of the point A in FIG. 2 according to the present invention;

fig. 6 is an enlarged view of the point B in fig. 2 according to the present invention.

In the figure: 1. a syringe housing; 2. installing a cap; 3. a first spring; 4. a piston; 5. positioning holes; 6. a spring switch; 61. a third spring; 62. pressing the column; 63. a limiting ring; 7. mounting grooves; 8. a second spring; 9. a positioning column; 10. a limiting plate; 11. a strip-shaped hole; 12. a medicine placing opening; 13. a support assembly; 131. a limiting seat; 132. a fourth spring; 133. a support plate; 134. perforating a pinhole; 14. liquid medicine capsules; 15. a needle assembly; 151. installing a sleeve; 152. an injection needle; 16. a protective sleeve.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-6, the present embodiment provides a convenient and fast medical injector, which includes an injector housing 1, a mounting cap 2 is screwed on the top of the injector housing 1, a first spring 3 is fixedly connected to the top of the inner wall of the bottom of the mounting cap 2, a piston 4 is fixedly connected to the bottom of the first spring 3, a positioning hole 5 is formed on one side of the injector housing 1, a spring switch 6 is disposed on the inner wall of the positioning hole 5, a mounting groove 7 is formed on one side of the piston 4, a second spring 8 is fixedly connected to the inner wall of the mounting groove 7, a positioning post 9 is fixedly connected to one side of the second spring 8, the positioning post 9 is inserted into the positioning hole 5, a limiting plate 10 is fixedly connected to the front surface of the piston 4, a strip-shaped hole 11 is formed on the front surface of the injector housing 1, the limiting plate, the inner wall fixedly connected with supporting component 13 of syringe casing 1, the top swing joint of supporting component 13 has liquid medicine capsule 14, and the inside of liquid medicine capsule 14 is equipped with the liquid medicine in advance, and the bottom threaded connection of syringe casing 1 has syringe needle subassembly 15, and the bottom cover of syringe needle subassembly 15 is equipped with lag 16.

In the embodiment, the traditional link of extracting liquid medicine by injection is omitted, the liquid medicine is directly prepared into the liquid medicine capsule 14, when the injector is carried, the phenomenon of liquid medicine spraying position caused by shaking is avoided, the carrying is more convenient, when the injector is used, the liquid medicine capsule 14 is placed on the supporting component 13 from the medicine placing port 12, when the injection is carried out, the lower end of the needle head component 15 is penetrated into the skin, the spring switch 6 is pressed, the spring switch 6 extrudes the positioning column 9 to enable the positioning column 9 to be separated from the positioning hole 5, at the moment, the piston 4 can rapidly move downwards under the pushing of the first spring 3, the liquid medicine capsule 14 can be extruded by the piston 4 in the moving process to enable the supporting component 13 to move downwards, the upper end of the needle head component 15 passes through the supporting component 13 and punctures the liquid medicine capsule 14 in the micro-moving process of the supporting component 13, so that the liquid medicine can be injected into a human body through, injection efficiency is higher, through all set threaded connection to installation cap 2 and syringe needle subassembly 15 and syringe casing 1, clear up or when changing the accessory to the syringe in needs, through rotating installation cap 2 or syringe needle subassembly 15, can directly dismantle it, it is maintained to have made things convenient for to clear up it, and through setting up limiting plate 10 and bar hole 11, when once injecting finishes, upwards stimulate limiting plate 10, make piston 4 upward movement, when piston 4 moves initial position, second spring 8 promotes reference column 9 and removes, make reference column 9 peg graft in locating hole 5, thereby make the quick powder charge that carries on of syringe, make its more quick injection that carries on next time, and when not using, cover syringe needle subassembly 15 through lag 16, prevent to carry process syringe needle subassembly 15 accidental injury to the user.

Example 2

Referring to fig. 1-6, a further improvement is made on the basis of embodiment 1: one side fixedly connected with handle of syringe casing 1, and the surface of handle is provided with the resistance-increasing rubber, made things convenient for the user to grip the syringe, and the resistance-increasing rubber makes the gripping more comfortable, spring switch 6 is including third spring 61 and pressing post 62, third spring 61 cup joints with pressing post 62, and the surface of pressing post 62 has cup jointed spacing ring 63, the middle part radius of locating hole 5 is greater than both ends radius, can make spacing ring 63 card inside locating hole 5, prevent to press post 62 and break away from the locating hole 5 is inside, and under the effect of third spring 61, press behind the pressing post 62, third spring 61 promotes to press post 62 to get back to initial position, made things convenient for next time to use.

Wherein, the supporting component 13 comprises a limiting seat 131, the inner wall of the limiting seat 131 is fixedly connected with a fourth spring 132, the top of the fourth spring 132 is fixedly connected with a supporting plate 133, the top of the supporting plate 133 is provided with a needle hole 134, the liquid medicine capsule 14 is positioned at the top of the supporting plate 133, the needle head component 15 comprises a mounting sleeve 151, the inner wall of the mounting sleeve 151 is fixedly connected with an injection needle 152, when the medical liquid capsule 14 is placed on the support plate 133 in use, the fourth spring 132 will support the medical liquid capsule 14 on the support plate 133 to prevent it from moving downwards to be directly punctured by the injection needle 152, when the piston 4 pushes the medical liquid capsule 14, the support plate 133 will move downwards slightly, so that the injection needle 152 can pierce the medical liquid capsule 14, and the medical liquid in the medical liquid capsule 14 can enter the interior of the skin through the injection needle 152 under the extrusion of the piston 4, thereby completing the task of quick injection.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A convenient and fast medical injector, comprising an injector housing (1), characterized in that: the top of the syringe shell (1) is in threaded connection with an installation cap (2), the top of the inner wall of the bottom of the installation cap (2) is fixedly connected with a first spring (3), the bottom of the first spring (3) is fixedly connected with a piston (4), one side of the syringe shell (1) is provided with a positioning hole (5), the inner wall of the positioning hole (5) is provided with a spring switch (6), one side of the piston (4) is provided with a mounting groove (7), the inner wall of the mounting groove (7) is fixedly connected with a second spring (8), one side of the second spring (8) is fixedly connected with a positioning column (9), the positioning column (9) is spliced with the positioning hole (5), the front of the piston (4) is fixedly connected with a limiting plate (10), the front of the syringe shell (1) is provided with a strip-shaped hole (11), and the limiting plate (10) is movably connected with the inner wall, a medicine placing opening (12) is formed in one side of the syringe shell (1), a supporting component (13) is fixedly connected to the inner wall of the syringe shell (1), a liquid medicine capsule (14) is movably connected to the top of the supporting component (13), a needle head component (15) is connected to the bottom of the syringe shell (1) in a threaded mode, and a protective sleeve (16) is sleeved at the bottom of the needle head component (15).

2. A portable rapid medical injector according to claim 1, characterized in that: one side of the syringe shell (1) is fixedly connected with a handle, and resistance-increasing rubber is arranged on the surface of the handle.

3. A portable rapid medical injector according to claim 1, characterized in that: the radius of the middle part of the positioning hole (5) is larger than the radius of the two ends.

4. A portable rapid medical injector according to claim 1, characterized in that: the spring switch (6) comprises a third spring (61) and a pressing column (62), the third spring (61) is sleeved with the pressing column (62), and a limiting ring (63) is sleeved on the surface of the pressing column (62).

5. A portable rapid medical injector according to claim 1, characterized in that: the supporting component (13) comprises a limiting seat (131), a fourth spring (132) is fixedly connected to the inner wall of the limiting seat (131), a supporting plate (133) is fixedly connected to the top of the fourth spring (132), a needle penetrating hole (134) is formed in the top of the supporting plate (133), and the liquid medicine capsule (14) is located on the top of the supporting plate (133).

6. A portable rapid medical injector according to claim 1, characterized in that: the medical liquid capsule (14) is internally filled with medical liquid.

7. A portable rapid medical injector according to claim 1, characterized in that: the needle assembly (15) comprises a mounting sleeve (151), and an injection needle (152) is fixedly connected to the inner wall of the mounting sleeve (151).