CN218739756U - Liquid medicine quantitative administration device - Google Patents

Abstract

The utility model is suitable for a medical equipment technical field provides a liquid medicine ration device of dosing, including syringe and box body, just be equipped with in the box body and place the chamber, the chamber of placing in the syringe swing joint box body, box body externally mounted has the driving piece, the inside one side that is close to the driving piece of box body has seted up the cell body, the output of driving piece passes through the gear connection cell body, the stopper is installed to the gear top, the meshing of gear bottom has the rack, the rack is kept away from the one end of gear and is installed the dead lever, the dead lever is located one side of syringe, therefore, the utility model discloses can realize the screens to the syringe to realize the ration at the in-process of dosing, and simple structure facilitates the use.

Description

Liquid medicine quantitative administration device

Technical Field

The utility model relates to a medical equipment technical field especially relates to a liquid medicine dosing device.

Background

At present, in the aspect of liquid medicine dosing device on the market, mainly disposable transfusion system and disposable syringe, the former need be connected the medicine bottle and infuse, can confirm the volume of dosing through the medicine bottle, the latter is comparatively difficult in the aspect of confirming the dose, and simultaneously, to disposable syringe, its volume is less, it is also comparatively convenient at ordinary times when using, but prior art lacks the practicality when providing quantitative dosing device for the syringe, realize quantitative dosing with more complicated structure, make medical personnel become more inconvenient when using, and can be because the inconvenient control accuracy of external force drive when the injection, lack the condition of realizing quantitative dosing.

In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned defect, the utility model aims to provide a liquid medicine ration device of dosing, it can be through the inside chamber of placing of box body realize fixed to the syringe, at fixed back, utilizes drive arrangement, the adjustment dead lever with press the position between the head for medical personnel can receive the obstruction of dead lever according to the head when promoting the push rod and dosing, thereby realize quantitative purpose.

In order to realize the above object, the utility model provides a liquid medicine ration device of dosing, including syringe and box body, just it places the chamber to be equipped with in the box body, the chamber of placing in the syringe swing joint box body, box body externally mounted has the driving piece, the inside one side of being close to the driving piece of box body has seted up the cell body, the output of driving piece passes through the gear connection cell body, the stopper is installed to the gear top, the meshing of gear bottom has the rack, the rack is kept away from the one end of gear and is installed the dead lever, the dead lever is located one side of syringe.

According to the utility model discloses a liquid medicine dosing device, the syringe comprises button, push rod, cylinder and syringe needle.

According to the utility model discloses a liquid medicine dosing device, the driving piece is including rotating handle and pivot, it passes through pivot and gear connection to rotate the handle.

According to the utility model discloses a liquid medicine dosing device, the upper surface of placing chamber and box body contact is transparent.

According to the utility model discloses a liquid medicine ration device of dosing, the recess is installed to the stopper both sides, just the card ball is installed with the groove connection's of stopper both sides position to the vertical part of cell body.

According to the utility model discloses a liquid medicine dosing device, place the chamber bottom and install the needle mouth.

According to the utility model discloses a liquid medicine dosing device, the length of rack and fixed rod equals with the length of push rod.

According to the utility model discloses a liquid medicine dosing device, the cylinder surface is provided with the scale.

The utility model provides a liquid medicine ration device of dosing, meshing through gear and rack, can freely adjust the dead lever and the position relation according to the head, thereby realize the ration at the in-process of dosing, improve the precision of dosing, can provide the activity space to its inside gear and rack through the cell body, and do not influence other mechanisms, and, the stopper can carry out the screens to the gear with the structural feature of card ball, thereby play fixed position's effect to rack and dead lever, and simultaneously, the chamber of placing of transparent surface can observe the condition of liquid medicine in the cylinder better, and finally, whole process is adjusted through rotating the rotation handle, convenient and fast, and the effect is obvious.

Drawings

Fig. 1 is a schematic structural view of the push rod of the present invention when the distance between the push rod and the outer side of the box body is longest.

Fig. 2 is a schematic structural diagram of a top view of the present invention.

Fig. 3 is a schematic structural diagram of the gear and rack of the present invention.

Fig. 4 is a schematic structural diagram of the stopper of the present invention.

Fig. 5 is a schematic structural diagram of the position relationship between the limiting block and the ball.

Fig. 6 is a schematic structural diagram of the position relationship between the trough body and the gear and the rack of the present invention.

In the figure, 1-box body, 2-placing cavity, 3-rotating handle, 4-press head, 5-push rod, 6-syringe, 7-needle head, 8-scale, 9-needle opening, 10-gear, 11-rack, 12-fixed rod, 13-rotating shaft, 14-limiting block, 14-1-groove, 15-clamping ball and 16-groove body.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments, it is to be understood that the specific embodiments described herein are only used for explaining the present invention, and are not used for limiting the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-6, the utility model provides a liquid medicine ration device of dosing, this utility model includes syringe and box body 1, just be equipped with in the box body 1 and place chamber 2, chamber 2 is placed in the syringe swing joint box body 1, places chamber 2 and provides fixed and support for the syringe, also makes things convenient for the change of syringe simultaneously, 1 externally mounted of box body has the driving piece, box body 1 is inside to be close to one side of driving piece and has seted up cell body 16, provides the motion space for its structure through cell body 16, the output of driving piece passes through gear 10 and connects cell body 16, can directly drive gear 10 through the driving piece like this, stopper 14 is installed to gear 10 top, and stopper 14 can provide the effect of screens to gear 10, meshing has rack 11 in gear 10 bottom, rack 11 keeps away from the one end of gear 10 and installs dead lever 12, dead lever 12 is located one side of syringe, through the connection of rack 11 and dead lever 12, can adjust the position of dead lever 12, provides the function of screens for the syringe simultaneously.

Preferably, the injector of the present invention is composed of a button 4, a push rod 5, a syringe 6 and a needle 7, and the functions of injection can be realized by the mutual connection of the respective parts.

Additionally, the utility model discloses a driving piece is including rotating handle 3 and pivot 13, rotates handle 3 and is connected with gear 10 through pivot 13, rotates the rotation that handle 3 can drive pivot 13 through rotating, drives gear 10's rotation then, and simultaneously, pivot 13 and gear 10's being connected also provide support and fixed function for gear 10.

Further, the utility model discloses a place the upper surface of chamber 2 and box body 1 contact and be transparent, can observe the condition of liquid in the syringe better through placing the transparent upper surface in chamber 2.

Furthermore, the utility model discloses a stopper 14 both sides are installed recess 14-1, and the card ball 15 is installed to the position that the vertical portion of cell body 16 is connected with the recess 14-1 of stopper 14 both sides, through the positional relationship of card ball 15 and stopper 14, can carry out the screens to reciprocating of stopper 14, also can make stopper 14 reciprocate simultaneously.

And simultaneously, the utility model discloses a place 2 bottoms in chamber and install needle mouth 9, the existence of needle mouth 9 can make syringe needle 7 pass and place 2 bottoms in chamber.

Better, the utility model discloses a length of rack 11 and dead lever 12 equals with push rod 5's length, can make push rod 5 when the maximum distance like this, rack 11 and dead lever 12 still can carry out the screens to it.

Finally, the surface of the needle cylinder 6 of the utility model is provided with the scale 8, and the dosage of the liquid medicine can be seen more clearly through the reminding of the scale 8.

The utility model discloses a theory of operation:

firstly, a syringe filled with liquid medicine is placed in the placing cavity 2, the needle head 7 penetrates through the needle opening 9, then the gear 10 is driven to rotate by rotating the rotating handle 3, so that the positions of the rack 11 and the fixed rod 12 can be adjusted, after a small amount of medicine is definitely injected, the rack 11 is adjusted to a specified position, at the moment, the fixed rod 12 can be positioned below the press head 4, then the limit block 14 is pressed, the gear 10 is clamped through the position relation of the groove 14-1 and the clamping ball 15, at the moment, the press head 4 is pressed, the press head 4 pushes the push rod 5 to move downwards, and when the push rod moves downwards to the surface of the fixed rod 12, due to the clamping of the limit block 14 on the gear 10, the fixed rod 12 can prevent the press head 4 from continuously descending, and therefore quantitative medicine administration is completed.

To sum up, the utility model provides a liquid medicine ration device of dosing, through the meshing of gear and rack, can freely adjust the dead lever and the position relation according to the head, thereby realize the ration at the in-process of dosing, improve the precision of dosing, can provide the free space to its inside gear and rack through the cell body, and do not influence other mechanisms, moreover, the stopper can carry out the screens to the gear with the structural feature of card ball, thereby play fixed position's effect to rack and dead lever, and simultaneously, the condition of liquid medicine in the cylinder can be observed better in the chamber of placing on transparent surface, and finally, whole process is adjusted through rotating the rotation handle, convenient and fast, and the effect is obvious.

Naturally, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit or essential attributes thereof, and it is intended that all such changes and modifications be considered as within the scope of the appended claims.

Claims (8)

1. A liquid medicine dosing device characterized by: including syringe and box body, just it places the chamber to be equipped with in the box body, the chamber of placing in the syringe swing joint box body, box body externally mounted has the driving piece, the inside cell body of having seted up to one side that is close to the driving piece of box body, the output of driving piece passes through the gear connection cell body, the stopper is installed to the gear top, the meshing of gear bottom has the rack, the rack is kept away from the one end of gear and is installed the dead lever, the dead lever is located one side of syringe.

2. A liquid medicine dosing device according to claim 1 characterised in that: the syringe consists of a press head, a push rod, a syringe and a needle head.

3. A liquid medicine dosing device according to claim 1 characterised in that: the driving piece comprises a rotating handle and a rotating shaft, and the rotating handle is connected with the gear through the rotating shaft.

4. A liquid medicine dosing device according to claim 1 characterised in that: the upper surface of the placing cavity, which is in contact with the box body, is transparent.

5. A liquid medicine dosing device according to claim 1 characterised in that: the groove is installed to stopper both sides, just the card ball is installed to the vertical part of cell body and the position of the groove connection of stopper both sides.

6. A liquid medicine dosing device according to claim 1 characterised in that: the bottom of the placing cavity is provided with a needle opening.

7. A liquid medicine dosing device according to claim 1 characterised in that: the length of the rack and the length of the fixed rod are equal to the length of the push rod.

8. A liquid medicine dosing device according to claim 2 characterised in that: the surface of the needle cylinder is provided with scales.

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