CN107137234A - A kind of dosing device - Google Patents

Abstract

The invention discloses a quantitative drug delivery device, which relates to the field of medicine bottles, and comprises a bottle body, a bottle upper cover and a bottle lower cover; the top of the bottle body is provided with a medicine inlet, and the bottom of the bottle body is provided with a medicine outlet. The drug inlet is threadedly connected to the upper cover of the bottle, and the drug outlet is threadedly connected to the lower cover of the bottle; a cavity is arranged inside the bottle body, and the cavity includes: A first cavity near the end of the drug inlet and a second cavity near the end of the drug outlet; one end of the drug inlet is provided with a pressure rod that runs through the bottle body, and one end of the pressure rod is connected to a hollow sleeve in the bottle body. The sleeve is provided with an opening; the partition is provided with a through hole matched with the sleeve, and the bottle body is provided with a driving assembly for driving the pressure rod, and the pressure rod drives the sleeve in the through hole. Up and down reciprocating motion. The invention has the advantages of simple structure, low manufacturing cost and convenient use; it can accurately and quantitatively take medicine, is suitable for pill-shaped medicines and granule medicines of different sizes, and is convenient to use.

Description

A quantitative drug delivery device

technical field

The invention relates to the field of medicine bottles, in particular to a quantitative drug delivery device.

Background technique

Commonly used medicine bottle structure is very simple at present, is generally made up of bottle body and bottle cap, and both adopt threaded connection, buckle connection more. Mostly suitable for small granules or powders. Usually only a rough estimate of the dose can be made. There is also the situation that hands directly contact with the medicine bottle during use, so both can not take medicine quantitatively and can cause the pollution of medicine again like this.

Contents of the invention

In order to overcome the above-mentioned shortcomings of the existing medicine bottles, the present invention provides a quantitative drug delivery device, which is convenient to use and is also suitable for granular medicines of different sizes, without directly touching the medicines with hands, so as to avoid pollution.

The present invention realizes through following technical scheme:

A quantitative drug delivery device, comprising a bottle body, a bottle upper cover and a bottle lower cover;

The top of the bottle body is provided with a medicine inlet, and the bottom of the bottle body is provided with a medicine outlet, and the medicine inlet is threadedly connected with the upper cover of the bottle, and the drug outlet is threaded with the lower cover of the bottle. connect;

A cavity is provided inside the bottle body, wherein the cavity includes: a first cavity near one end of the drug inlet and a second cavity near one end of the drug outlet, the first cavity and the first cavity The two cavities are separated by a partition;

One end of the drug inlet is provided with a pressure rod that runs through the bottle, and one end of the pressure rod is connected to a hollow sleeve in the bottle, and the sleeve is provided with an opening; the partition is provided with a sleeve that matches the sleeve. A through hole, the bottle body is provided with a driving assembly for driving the pressing rod, and the sleeve reciprocates up and down in the through hole driven by the pressing rod.

A quantitative drug delivery device provided by the present invention mainly includes a bottle body, a bottle upper cover and a bottle lower cover. The top of the bottle body is provided with a drug inlet, the drug inlet is provided with external threads, the bottle upper cover has the same internal thread as the outer thread of the drug inlet, and the drug inlet and the bottle upper cover are connected by threads; The bottom of the bottle body is provided with a drug outlet, the drug outlet is provided with external threads, the lower cover of the bottle has the same internal thread as the outer thread of the drug outlet, and the drug outlet and the lower cover of the bottle are connected by threads; The upper cap of the bottle is connected with the medicine inlet and the lower cap of the bottle is connected with the medicine outlet through threads, so that the patient can load the medicine into the drug delivery device from the medicine inlet and take the medicine orally through the medicine outlet.

In the present invention, a cavity is provided inside the bottle, and the cavity is isolated by a partition into: a first cavity near the end of the drug inlet and a second cavity near the end of the drug outlet; The first cavity is used to contain medicine through the medicine inlet, and the second cavity is used for the patient to take medicine through the medicine outlet.

In the present invention, at one end of the medicine inlet of the bottle body, there is a pressing rod penetrating through the bottle body, and a hollow sleeve is connected to one end of the pressing rod in the bottle body, and the sleeve is provided with an opening on one side, so The separator is provided with a through hole matching the outer structure of the sleeve, and the sleeve is located in the through hole, and the pressing rod is provided with a driving assembly for driving the pressing rod to reciprocate at one end of the bottle body. When using the drug delivery device to hold medicine, control the driving assembly to fix the position of the sleeve, open the upper cover of the bottle, and fill the medicine from the medicine inlet; when using the drug delivery device to take medicine, the sleeve is in the first When in the cavity, the drug enters the sleeve from the opening, and the drive assembly is controlled to make the sleeve enter the second cavity from the first cavity, and the drug is transported from the first cavity to the second cavity, and the back and forth movement of the sleeve When the medicine in the second cavity reaches the required dose, the driving assembly is controlled to fix the position of the sleeve, and the patient opens the lower cap of the bottle to take the medicine. It should be noted that, in the present invention, at least one end of the sleeve is placed in the through hole.

In order to better realize the present invention, furthermore, the driving assembly is a spring arranged around one end of the bottle body of the pressing rod, and the pressing rod is also connected with a button at one end of the bottle body.

In the present invention, the driving assembly for driving the pressing bar to move back and forth is a spring ringed around one end of the body of the pressing bar, and the end of the pressing bar is also connected with a button. The spring is a common elastic mechanical part. When the drug is delivered, the force applied to the button compresses the spring, and the drug is delivered from the first cavity to the second cavity; when the patient takes the drug, the button is canceled The compressed spring automatically extends to the original length and at the same time drives the sleeve to the first cavity, and the patient opens the lower cap of the bottle to take the medicine.

Preferably, the sleeve is a hollow cuboid.

In order to prevent the sleeve from self-rotating in the through hole, thereby affecting the medicine entering the sleeve from one side opening, in the present invention, the sleeve is a hollow cuboid. Through the through hole matched with the outer structure of the sleeve, the sleeve can move back and forth along the axial direction of the through hole without self-rotation in the through hole, which ensures that the drug can enter the sleeve stably.

Preferably, the hollow part in the sleeve is a cylinder, and the quantitative drug delivery device further includes a medicine groove arranged in the sleeve and matched with the inside of the sleeve, and the medicine groove is on the opposite side. A first medicine tank and a second medicine tank are respectively arranged on the side, and the medicine tank is connected with a rotary rod which runs through the medicine barrel and the bottom of the bottle body at the end far away from the pressure rod.

Different medicines often have different grain sizes. In order to make the drug delivery device adapt to medicines with different grain sizes, in the present invention, the hollow part in the sleeve is a cylinder, and the sleeve is also provided with A drug tank matching the internal structure of the sleeve, the drug tank is provided with a semicircular first drug tank and a second drug tank with different radii on the opposite sides, and a penetrating drug tank is connected at the end of the drug tank away from the pressure bar. The barrel runs through the rotating rod at the bottom of the bottle. The rotary rod is controlled to rotate the medicine tank in the sleeve, and the first medicine tank or the second medicine tank which is the closest in size to the medicine grains is aligned with the opening of the sleeve.

Preferably, a tapered ring is further provided in the first cavity, the top of the tapered ring is connected to the through hole, and the bottom of the tapered ring is connected to the inner wall of the bottle.

Since the plane of the partition is perpendicular to the axial direction of the sleeve, after the drug enters the first cavity from the drug inlet, it is necessary to shake the bottle to make the drug slide into the sleeve. In order to better slide the drug into the sleeve for drug delivery , in the present invention, a conical ring is also provided in the first cavity, the top of the conical ring is connected to the through hole, the bottom of the conical ring is connected to the inner wall of the bottle, and the drug enters the first cavity from the drug inlet. After entering the cavity, it has a natural tendency to slide toward the opening of the sleeve, and naturally slides into the sleeve for drug delivery.

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

(1) The present invention has simple structure, low manufacturing cost and convenient use;

(2) The present invention can accurately and quantitatively take medicine, is suitable for pills and granules of different sizes, and is convenient to use.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention, and thus It should be regarded as a limitation on the scope, and those skilled in the art can also obtain other related drawings based on these drawings without creative work.

Fig. 1 is a schematic diagram of the internal structure of the present invention;

Fig. 2 is the structural representation of sleeve of the present invention;

Fig. 3 is a schematic diagram of the arrangement of the internal medicine tank of the present invention;

Fig. 4 is a schematic diagram of the medicine tank structure of the present invention;

Fig. 5 is a schematic diagram of the arrangement of the inner tapered ring of the present invention;

Icons: 1-drug inlet; 11-bottle upper cover; 2-drug outlet; 21-bottom cover; 3-partition; 31-through hole; 4-first cavity; 41-tapered ring; 5 - the second cavity; 61 - pressing rod; 62 - sleeve; 63 - spring; 64 - button; 65 - medicine tank; 651 - first medicine tank; 652 - second medicine tank;

detailed description

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

It should be noted that like numerals and letters denote similar items in the following figures, therefore, once an item is defined in one figure, it does not require further definition and explanation in subsequent figures. It should also be noted that each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment refer to each other That's it.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that is usually placed when the product of the invention is used, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying References to devices or elements must have a particular orientation, be constructed, and operate in a particular orientation and therefore should not be construed as limiting the invention. In addition, the terms "first", "second", "third", etc. are only used for distinguishing descriptions, and should not be construed as indicating or implying relative importance.

In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are absolutely horizontal or overhanging, but may be slightly inclined. For example, "horizontal" only means that its direction is more horizontal than "vertical", and it does not mean that the structure must be completely horizontal, but can be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise clearly specified and limited, the terms "installation", "installation", "connection" and "connection" should be understood in a broad sense, for example, it may be a fixed connection, It can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

Some embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. In the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.

Example 1:

As shown in FIG. 1 , a quantitative drug delivery device provided by this embodiment includes a bottle body, a bottle upper cap 11 and a bottle lower cap 21 . The top of the bottle body is provided with a drug inlet 1, and the drug inlet 1 is provided with an external thread, and the bottle upper cover 11 has the same internal thread as the outer thread of the drug inlet 1, and the drug inlet 1 is connected with the bottle upper cover. 11 are connected by threads; the bottom of the bottle body is provided with a drug outlet 2, and the drug outlet 2 is provided with external threads, and the lower cover 21 of the bottle has the same internal thread as the external threads of the drug outlet 2. The medicine port 2 and the lower cap 21 of the bottle are connected by threads; the upper cap 11 of the bottle is connected with the medicine inlet 1, the lower cap 21 of the bottle is connected with the medicine outlet 2 through threads, so that the patient can load the medicine from the medicine inlet 1 Inside the drug delivery device, and take medicine through the medicine outlet 2.

In this embodiment, the inside of the bottle is provided with a cavity, and the cavity is divided into: the first cavity 4 near the drug inlet 1 for containing the drug through the emergency opening through the partition 3; The end close to the medicine outlet 2 is used for the second cavity 5 for the patient to take medicine through the medicine outlet 2 .

In this embodiment, at one end of the medicine inlet 1 of the bottle, there is provided a pressing rod 61 penetrating through the bottle, and one end of the pressing rod 61 is connected to a hollow sleeve 62 in the bottle, and the sleeve 62 is in a An opening is provided on the side, and the sleeve 62 is used to transport the medicine from the first cavity 4 to the second cavity 5 . The partition plate 3 is provided with a through hole 31 matching the external structure of the sleeve 62, the sleeve 62 is located in the through hole 31, and the pressure rod 61 is also provided with a drive for driving the pressure rod 61 at one end of the bottle body. A drive assembly that performs reciprocating motion. When using the drug delivery device to hold medicine, control the driving assembly to fix the position of the sleeve 62, open the bottle upper cover 11, and fill the medicine from the drug inlet 1; when using the drug delivery device to take medicine, the sleeve When 62 is in the first cavity 4, the medicine enters the sleeve 62 from the opening, and the driving assembly is controlled to make the sleeve 62 enter the second cavity 5 from the first cavity 4, and the medicine is transported from the first cavity 4 to the second cavity 5. In the cavity 5, through the back and forth movement of the sleeve 62, when the medicine in the second cavity 5 reaches the required dose, the driving assembly is controlled to fix the position of the sleeve 62, and the patient opens the lower cap 21 of the bottle to take the medicine. It should be noted that, in this embodiment, at least one end of the sleeve 62 is placed in the through hole 31 .

In this embodiment, the driving assembly may be: a spring 63 ringed at one end of the bottle body of the pressure rod 61, and a ring buckle is arranged at one end of the pressure rod 61 to arrange the spring 63 between the bottle body and the ring buckle, By pressing the buckle and compressing the spring 63, the pressing rod 61 is driven to move the sleeve 62 to transport the medicine grains.

Another example: the drive assembly is a stepping motor connected to one end of the compression rod 61 outside the bottle body, and the stepping motor cooperates with a screw rod to realize the drive control of the compression rod 61. Specifically, the following connection methods can be adopted: using not only the motor Drive the threaded sleeve that cooperates with the screw rod, set the threaded sleeve and the outside of the bottle relatively fixedly, use not only the motor to drive the threaded sleeve to rotate, realize the linear movement of the screw rod, and connect the screw rod to the pressure rod 61 fixedly or detachably fixed The connection method is fixed, and the pressing rod 61 can drive the sleeve 62 to reciprocate up and down in the through hole 31 by controlling the stepping motor.

For those skilled in the art, the control of the pressing rod 61 by any of the above-mentioned driving components belongs to the prior art, and the driving device includes but is not limited to the ones listed in this embodiment. detail.

Example 2:

This embodiment is further defined on the basis of Embodiment 1. As shown in FIG. A spring 63 at one end of the rod 61 outside the bottle body, and the push rod 61 is also connected with a button 64 at one end outside the bottle body. Spring 63 is a common elastic mechanical part, which is cheap and easy to install. When the medicine is delivered, the spring 63 is compressed by the pressure applied to the button 64 and the pressing rod 61 moves downward, thereby driving the sleeve 62 to move downward in the through hole 31, and the medicine is delivered from the first cavity 4 to the second cavity. Two cavities 5; when the patient takes the medicine, the force applied to the button 64 is cancelled, the compressed spring 63 automatically stretches to the original length and at the same time drives the sleeve 62 to the first cavity 4, and the patient opens the lower cap 21 of the bottle to carry out take medicine.

Example 3:

This embodiment is further limited on the basis of Embodiment 2. As shown in FIG. 2 , in this embodiment, the sleeve 62 is a hollow cuboid. In order to make full use of the space in the bottle body, the shown pressure rod 61 and the drug inlet 1 are separately arranged at both ends of the top of the bottle body. Based on this, the sleeve 62 is arranged close to the bottle wall, and passes through the through hole matching the outer structure of the sleeve 62. 31 , the sleeve 62 can move back and forth along the axial direction of the through hole 31 without self-rotation in the through hole 31 , ensuring that the drug can enter the sleeve 62 stably.

Example 4:

This embodiment is further limited on the basis of Embodiment 3, in conjunction with accompanying drawings 2, 3, and 4, in order to make the drug delivery device adapt to drugs of different drug particle sizes, in this embodiment , the hollow part in the sleeve 62 is a cylinder, the sleeve 62 is also provided with a drug tank 65 that matches the internal structure of the sleeve 62, and the drug tank 65 is provided with semi-diameters with different radii on the opposite sides. The first medicine groove 651 and the second medicine groove 652 are circular. In this embodiment, the radius of the circle corresponding to the first medicine groove 651 is twice the radius of the circle corresponding to the second medicine groove 652 . One end of the medicine groove 65 away from the pressing rod 61 is connected with a rotary rod 66 that penetrates the medicine cartridge and the bottom of the bottle body. Control the rotary rod 66 to make the medicine tank 65 rotate in the sleeve 62, align the first medicine tank 651 or the second medicine tank 652 which is the closest in size to the opening of the sleeve 62, so that the medicine grains can slide into the medicine tank smoothly 65 , and then control the pressing rod 61 to make the sleeve 62 reciprocate up and down in the through hole 31 to transport the medicine particles from the first cavity 4 to the second cavity 5 .

Example 5:

This embodiment is further defined on the basis of Embodiments 1 to 4, as shown in Figure 5, in this embodiment, in order to better make the medicine particles slide into the sleeve 62 for delivery, the first A conical ring 41 is also provided in the cavity 4, the top of the conical ring 41 is connected with the through hole 31, the bottom of the conical ring 41 is connected with the inner wall of the bottle, and the drug enters the first cavity 4 from the drug inlet 1. , has a natural tendency to slide toward the opening of the sleeve 62, and naturally slides into the sleeve 62 for drug delivery.

It will be apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. a kind of dosing device, it is characterised in that including being covered on bottle, bottle（11）With bottle lower cover（21）；

The top of the bottle is provided with feeding opening（1）, the bottom of the bottle is provided with medicine outlet（2）, the feeding opening（1）With institute State and covered on bottle（11）Threaded connection, the medicine outlet（2）With the bottle lower cover（21）Threaded connection；

The bottle is internally provided with a cavity, wherein, the cavity includes：Close to feeding opening（1）First cavity of one end（4） And close to medicine outlet（2）Second cavity of one end（5）, first cavity（4）With second cavity（5）Pass through dividing plate （3）Isolation；

The feeding opening（1）One end is provided with the depression bar through bottle（61）, the depression bar（61）One end is connected with one in bottle Hollow sleeve（62）, the sleeve（62）Provided with opening；The dividing plate（3）It is provided with and sleeve（62）The through hole matched （31）, the bottle, which is externally provided with, to be used to drive the depression bar（61）Drive component, the sleeve（62）In the depression bar（61） Drive under in through hole（31）Inside pump.

2. dosing device according to claim 1, it is characterised in that the drive component is to be located on the depression bar （61）The spring of the outer one end of bottle（63）, the depression bar（61）The button that one end is also associated with outside bottle（64）.

3. dosing device according to claim 2, it is characterised in that the sleeve（62）For a hollow cuboid.

4. dosing device according to claim 3, it is characterised in that sleeve（62）Interior hollow part is cylinder Body, the dosing device also includes being arranged on the sleeve（62）It is interior and with the sleeve（62）The drug slot of fit inside （65）, the drug slot（65）The first drug slot is respectively equipped with the side of opposition（651）With the second drug slot（652）, drug slot（65） Away from depression bar（61）One end be connected with through cartridge case（62）One end and the swing arm for running through bottle body bottom（66）.

5. the dosing device according to any one of claim 1-4, it is characterised in that first cavity（4）It is interior It is additionally provided with conical ring（41）, the conical ring（41）Top and through hole（31）Connection, conical ring（41）Bottom connects bottle inwall.