CN215134997U

CN215134997U - Micro-injection device for subcutaneous injection

Info

Publication number: CN215134997U
Application number: CN202022798437.8U
Authority: CN
Inventors: 邹芳; 黄朝阳; 周志龙
Original assignee: Hubei Meimuen Medical Equipment Co ltd
Current assignee: Hubei Meimuen Medical Equipment Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-12-14
Anticipated expiration: 2030-11-27

Abstract

The utility model discloses a microinjection device for hypodermic, including the cylinder, the bottom outer wall fixedly connected with circle frame of cylinder, and the installation section of thick bamboo of the inner wall fixedly connected with symmetric distribution of circle frame, the first spring of one side inner wall fixedly connected with of installation section of thick bamboo, and the one end fixedly connected with slider of first spring, the slider forms sliding fit with the installation section of thick bamboo, and one side outer wall fixedly connected with dead lever of slider, two the relative one end fixedly connected with solid fixed cylinder of dead lever, and the outer wall of solid fixed cylinder is provided with the syringe needle, mounting hole one has been seted up to the bottom outer wall of cylinder, and the inner wall of mounting hole one is pegged graft and is had the hose. The utility model discloses when injecing, if children move the bullet, lead to the syringe needle to take place to rock, the slider will slide in an installation section of thick bamboo, under the effect of first spring, just can form a fine cushioning effect, the syringe needle just is difficult to buckle and drops like this, and then greatly reduced the potential harm that causes.

Description

Micro-injection device for subcutaneous injection

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a micro-injection device for subcutaneous injection.

Background

Syringes are common medical devices used in hospitals, syringe barrels may be made of plastic or glass, and are usually provided with graduated indicators indicating the volume of fluid in the syringe. Glass syringes can be sterilized with an autoclave, but because of the low cost of disposal of plastic syringes, most modern medical syringes are made of plastic, which further reduces the risk of blood-borne diseases.

When children are ill, the most painful is the injection because they are struggling and crying. Therefore, in the injection process, the needle head is easy to bend and fall off, so that children are injured, the needle head of the existing injector is directly sleeved on the needle cylinder, and the needle head of the injector cannot form a good buffer.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art and providing a micro-injection device for hypodermic injection.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a microinjection device for hypodermic, includes the cylinder, the bottom outer wall fixedly connected with circle frame of cylinder, and the inner wall fixedly connected with symmetric distribution's of circle frame installation section of thick bamboo, the first spring of one side inner wall fixedly connected with of installation section of thick bamboo, and the one end fixedly connected with slider of first spring, the slider forms sliding fit with the installation section of thick bamboo, and one side outer wall fixedly connected with dead lever of slider, two the relative one end fixedly connected with solid fixed cylinder of dead lever, and the outer wall of solid fixed cylinder is provided with the syringe needle, mounting hole one has been seted up to the bottom outer wall of cylinder, and the inner wall of mounting hole one is pegged graft and is had the hose, the hose is linked together with solid fixed cylinder.

Furthermore, the outer wall of cylinder is provided with the scale mark, and the outer wall of cylinder is provided with elliptical plate.

Furthermore, the inner wall of the needle cylinder is connected with a first piston in a sliding mode, the outer wall of one side of the first piston is fixedly connected with a connecting rod, and one end of the connecting rod is fixedly connected with a pressing plate.

Furthermore, the outer wall of the needle cylinder is provided with a second mounting hole, and the inner wall of the second mounting hole is fixedly connected with a connecting cylinder.

Furthermore, the inner wall of the connecting cylinder is fixedly connected with a cross, the outer wall of one side of the cross is provided with a third mounting hole, and the inner wall of the third mounting hole is inserted with a round rod.

Furthermore, one end fixedly connected with stopper of round bar, and the other end fixedly connected with second piston of round bar.

Furthermore, the outer wall of one side of the second piston is fixedly connected with a second spring, and one end of the second spring is fixedly connected with the inner wall of the connecting cylinder.

Furthermore, the outer walls of the two sides of the needle cylinder are fixedly connected with clamping rings which are symmetrically distributed.

The utility model has the advantages that:

1. this a micro-injection device for hypodermic, through being provided with the circle frame, install an installation section of thick bamboo in the circle frame, install the dead lever through the slider in the installation section of thick bamboo, install a solid fixed cylinder on the dead lever, gu the cylinder overcoat has cup jointed the syringe needle, when administering an injection, if children move the bullet, lead to the syringe needle to take place to rock, the slider will slide in the installation section of thick bamboo, under the effect of first spring, just can form a fine cushioning effect, the syringe needle just is difficult to buckle and drop like this, and then greatly reduced the potential harm that causes.

2. This a micro-injection device for hypodermic through being provided with the connecting cylinder, install the cross in the connecting cylinder, install the second piston through the round bar on the cross, when the syringe internal pressure is greater than the elasticity of second spring, the second piston in the connecting cylinder will remove, and then the liquid of the inside will spout, such effect plays a current limiting effect, some practise nurse or doctor, sometimes nervous can strengthen the extrusion pressure degree of injecing, can make the liquid velocity of flow increase in the syringe, can arouse children uncomfortable.

3. This a microinjection device for hypodermic through being provided with the chucking ring, when injecing, we can put into the chucking intra-annular with the finger, and control cylinder that like this can be better prevents that it from taking place the skew.

The part not related in the device all is the same with prior art or can adopt prior art to realize, and the device design structure is reasonable, and convenient to use satisfies people's user demand.

Drawings

FIG. 1 is a schematic view of the overall structure of a microinjection apparatus for subcutaneous injection according to the present invention;

FIG. 2 is a schematic view of a mounting cylinder of a microinjection apparatus for subcutaneous injection according to the present invention;

FIG. 3 is a schematic view of a mounting barrel of a microinjection apparatus for subcutaneous injection according to the present invention;

FIG. 4 is a schematic view of a connector barrel of a microinjection apparatus for subcutaneous injection according to the present invention;

fig. 5 is a schematic view of a clamping ring of a microinjection apparatus for subcutaneous injection according to the present invention.

In the figure: 1-needle cylinder, 2-scale mark, 3-elliptic plate, 4-first piston, 5-pressing plate, 6-connecting rod, 7-connecting cylinder, 8-needle, 9-round frame, 10-fixed cylinder, 11-mounting cylinder, 12-fixed rod, 13-sliding block, 14-first spring, 15-second spring, 16-second piston, 17-cross, 18-round rod, 19-limiting block and 20-clamping ring.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-4, a micro-injection device for hypodermic injection, including a needle cylinder 1, a bottom outer wall of the needle cylinder 1 is fixedly connected with a circular frame 9, and an inner wall of the circular frame 9 is fixedly connected with symmetrically distributed installation cylinders 11, one side inner wall of the installation cylinder 11 is fixedly connected with a first spring 14, and one end of the first spring 14 is fixedly connected with a slider 13, the slider 13 and the installation cylinder 11 form a sliding fit, and one side outer wall of the slider 13 is fixedly connected with a fixing rod 12, the opposite ends of the two fixing rods 12 are fixedly connected with a fixing cylinder 10, and the outer wall of the fixing cylinder 10 is provided with a needle 8, a first installation hole is provided on the bottom outer wall of the needle cylinder 1, and a hose is inserted into the inner wall of the first installation hole, and the hose is communicated with the fixing cylinder 10.

In the utility model, the outer wall of the needle cylinder 1 is provided with scale marks 2, and the outer wall of the needle cylinder 1 is provided with an elliptical plate 3.

The utility model discloses in, the inner wall sliding connection of cylinder 1 has first piston 4, and one side outer wall fixedly connected with connecting rod 6 of first piston 4, and the one end fixedly connected with of connecting rod 6 presses pressing plate 5.

In the utility model, the outer wall of the needle cylinder 1 is provided with a second mounting hole, and the inner wall of the second mounting hole is fixedly connected with the connecting cylinder 7.

The utility model discloses in, the inner wall fixedly connected with cross 17 of connecting cylinder 7, and one side outer wall of cross 17 has seted up mounting hole three, and the inner wall of mounting hole three is pegged graft and is had round bar 18.

The utility model discloses in, the one end fixedly connected with stopper 19 of round bar 18, and the other end fixedly connected with second piston 16 of round bar 18.

The utility model discloses in, one side outer wall fixedly connected with second spring 15 of second piston 16, and the one end of second spring 15 and the inner wall fixed connection of connecting cylinder 7.

The working principle is as follows: the needle cylinder 1 is provided with the round frame 9, the round frame 9 is internally provided with the mounting cylinder 11, the mounting cylinder 11 is internally provided with the fixed rod 12 through the sliding block 13, the fixed rod 12 is provided with the fixed cylinder 10, the needle head 8 is sleeved outside the fixed cylinder 10, when the needle is injected, if a child moves and bounces, the needle head 8 rocks, the sliding block 13 slides in the mounting cylinder 11, and a good buffering effect can be formed under the action of the first spring 14; when the needle is injected, if the pressing force is too large, the pressure in the connecting cylinder 7 is increased, the cross 17 is arranged in the connecting cylinder 7, the second piston 16 is arranged on the cross 17 through the round rod 18, when the pressure in the needle cylinder 1 is larger than the elastic force of the second spring 15, the second piston 16 in the connecting cylinder 7 moves, and then the liquid in the connecting cylinder 7 is sprayed out, so that the function of limiting the flow is realized.

Example 2

Referring to fig. 5, a micro-injection device for hypodermic injection, in this embodiment, compared to embodiment 1, further includes a clamping ring 20 symmetrically distributed and fixedly connected to the outer wall of the two sides of the syringe 1.

The working principle is as follows: the clamping ring 20 is arranged outside the needle cylinder 1, and when the needle is injected, fingers can be put into the clamping ring 20, so that the needle cylinder 1 can be better controlled, and the deviation of the needle cylinder is prevented.

The 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 utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A micro-injection device for hypodermic injection comprises a needle cylinder (1), and is characterized in that the outer wall of the bottom of the needle cylinder (1) is fixedly connected with a round frame (9), and the inner wall of the round frame (9) is fixedly connected with symmetrically distributed mounting cylinders (11), the inner wall of one side of the mounting cylinder (11) is fixedly connected with a first spring (14), one end of the first spring (14) is fixedly connected with a sliding block (13), the sliding block (13) is in sliding fit with the mounting cylinder (11), and the outer wall of one side of the sliding block (13) is fixedly connected with a fixed rod (12), the opposite ends of the two fixed rods (12) are fixedly connected with a fixed cylinder (10), and the outer wall of the fixed cylinder (10) is provided with a needle head (8), the outer wall of the bottom of the needle cylinder (1) is provided with a first mounting hole, and the inner wall of the first mounting hole is inserted with a hose which is communicated with the fixed cylinder (10).

2. A micro-injection device for subcutaneous injection according to claim 1, characterized in that the outer wall of the cylinder (1) is provided with graduation marks (2) and the outer wall of the cylinder (1) is provided with an elliptical plate (3).

3. A micro-injection device for hypodermic injection according to claim 1, wherein the inner wall of the syringe (1) is slidably connected with a first piston (4), and the outer wall of one side of the first piston (4) is fixedly connected with a connecting rod (6), and one end of the connecting rod (6) is fixedly connected with a pressing plate (5).

4. The microinjection device for hypodermic injection according to claim 1, wherein a second mounting hole is formed in the outer wall of the syringe (1), and a connecting cylinder (7) is fixedly connected to the inner wall of the second mounting hole.

5. The micro-injection device for hypodermic injection according to claim 4, wherein the inner wall of the connecting cylinder (7) is fixedly connected with a cross (17), the outer wall of one side of the cross (17) is provided with a third mounting hole, and the inner wall of the third mounting hole is inserted with a round rod (18).

6. A micro-injection device for subcutaneous injection according to claim 5, characterized in that one end of the round rod (18) is fixedly connected with a stopper (19), and the other end of the round rod (18) is fixedly connected with a second piston (16).

7. A micro-injection device for subcutaneous injection according to claim 6, wherein a second spring (15) is fixedly connected to an outer wall of one side of the second piston (16), and one end of the second spring (15) is fixedly connected to an inner wall of the connection cylinder (7).

8. The microinjection apparatus for hypodermic injection according to claim 1, wherein the outer walls of both sides of the cylinder (1) are fixedly connected with symmetrically distributed snap rings (20).