KR101550698B1 - Medicanent dispenser - Google Patents

Abstract

A pumping unit coupled to one side of the suction unit and pumping to discharge a predetermined amount of the medicine; and a pumping unit coupled to one side of the suction unit, And a discharging portion provided at an upper end of the pumping portion and discharging the medicine in a droplet state at the tip thereof, wherein the pumping portion is provided with a structure for blocking external dust, foreign matter or bacteria from entering the medicine stored in the pumping portion, The liquid medicine in the stored liquid state can be discharged in a droplet state by a predetermined amount so that the foreign dust, foreign matter, and bacteria can be prevented from flowing into the medicine stored in the medicine dispenser.

Description

{MEDICANENT DISPENSER}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a medicament dispenser for discharging medicines in a liquid state stored therein by a predetermined amount in a droplet state by a pumping operation.

In general, a dispenser is a pumping device that discharges gas, liquid, or gel-type contents filled in a sealed container by a predetermined amount during pressurization.

Recently, dispensers have been used as containers for storing cosmetics, perfumes, detergents, medicines, and foods.

The dispenser according to the related art is mounted on the upper end of the container and comprises a pumping portion, a button portion and a nozzle. When the button portion is pressed, the shaft is lowered against the elastic force of the spring, And is discharged to the nozzle through the pipe. At this time, the ball abuts against the lower end of the housing by the lowering pressure of the fluid inside the housing.

When the button portion is released, the shaft rises due to the elasticity of the string, the through hole is closed, the discharge of the contents is cut off, and a vacuum is formed inside the housing, so that the contents contained in the container lift the ball, and the valve is opened and filled in the housing.

When the button portion is pressed repeatedly, the above operation is repeated, and the contents are discharged.

However, since the dispenser according to the related art is equipped with a metal ball, the manufacturing cost is increased, and the valve structure including the ball is provided, so that additional post-processing must be performed. Therefore, the manufacturing process is difficult, The drop had an issue.

Also, the dispenser according to the related art has a problem that as the contents remain in the nozzle, the remaining contents contact with the air and the water evaporates and coagulates so that the contents are changed and the nozzle is clogged.

An example of a technique for solving such a problem is disclosed in Patent Document 1 below.

Patent Document 1 has a valve that generates vacuum pressure inside the flow passage so that when the operation portion is pressed, the contents remaining in the spray hole are not discharged to the outside but are sucked into the housing portion when the operation portion returns to the home position, Thereby preventing the phenomenon that the ejection holes are clogged due to the remaining contents in the ejection holes.

Meanwhile, recently, a fluid dispenser, such as a nasal spray, which discharges a predetermined amount of medicines stored in a container is used.

The following Patent Document 2 discloses a configuration of a fluid dispenser for spraying a drug on the nose.

The following Patent Document 3 describes a configuration of a fluid dispenser including a metering pump, an inlet valve, and an outlet valve.

Korean Patent Registration No. 10-0889050 (Announcement on March 20, 2009) Korean Patent Publication No. 10-2010-0038328 (published April 14, 2010, International Publication No. WO 2008-145817, published on December 4, 2008) US Patent Registration No. US 7249693 (registered July 31, 2007)

However, the dispenser pump disclosed in Patent Document 1 is incapable of fully absorbing the contents remaining in the spray hole, and has a limitation in preventing deterioration of the contents and clogging of the jet holes.

The fluid dispenser disclosed in Patent Document 2 has a problem in that the structure of the product is complicated and the manufacturing cost is increased due to sealing with the use of additional components such as a front sealing element and a rear sealing element.

Accordingly, in the case of discharging the medicine using the dispenser, the dispenser according to the prior art including the patent documents 1 and 2 is contaminated by the infiltration of germs or contaminants outside the nozzle, There was a problem that had to be done.

The fluid dispenser disclosed in Patent Document 3 has a problem that the manufacturing cost is increased because the fluid dispenser is provided with an inlet valve, an outlet valve, a valve ball, and the like for removing contamination.

On the other hand, it is necessary to develop a medicine dispenser capable of discharging in a droplet state instead of spraying a medicine like an eyeball of a human body.

SUMMARY OF THE INVENTION An object of the present invention is to provide a medicament dispenser capable of discharging a certain amount of weak drug in a droplet state to the eyeball.

It is another object of the present invention to provide a medicament dispenser which can prevent contamination of medicines by blocking external dust, foreign matter, and germs from being introduced into the medicament during the medicament dispensing process.

In order to achieve the above object, a medicament dispenser according to the present invention comprises a suction unit coupled to an upper portion of a container for sucking a liquid medicament stored inside the container, a suction unit coupled to one side of the suction unit, Wherein the pumping unit includes a pumping unit for pumping the pumping unit for discharging the pumping unit and a discharging unit installed at the upper end of the pumping unit and having a discharging hole for discharging the medicine in a droplet state at the leading end, And the like.

Wherein the pumping portion includes a piston that moves up and down according to an ascending and descending operation of the discharging portion, a valve stem connected to a lower end of the piston, and an elastic member coupled to an outer side of the valve stem to provide a restoring force to the discharging portion, The valve stem is moved up to a predetermined amount of the medicine to be delivered through the flow path formed in the valve stem at the time of the lowering operation of the discharging unit, and then the lowering operation is performed to block the movement of the medicine.

The discharge unit includes a head base having a discharge hole formed at an upper end thereof, a liner disposed in a discharge passage formed in the head base, for transferring the medicine pumped by the lifting operation of the piston to the discharge hole side, A spring for providing an elastic force to the piston, and a droplet forming means for forming droplets to discharge the medicine delivered to the discharge hole in a droplet state.

Wherein the droplet forming means comprises a contamination preventing member provided between the lower surface of the head base and the upper portion of the liner and a droplet forming groove formed on the lower surface of the head base, And a plurality of regulating protrusions for regulating the amount of the discharged medicament so as to discharge the predetermined amount of medicament in a droplet state, Is formed.

A lower portion of the head base is provided with a flange which is pressurized by a user and a vertical portion which covers an upper end outside of the suction portion, and a guide for forming the discharge passage and a support member for supporting the guide are formed in the head base .

And a plurality of engaging ribs are protruded from the outer circumferential surface of the liner so that the liner is press-fitted into the guide of the head base when assembling the liner and the head base.

The suction unit includes a coupling cylinder coupled to an upper end of the container, a housing coupled to a lower portion of the coupling cylinder and having an inlet through which a medicine stored in the container is introduced, and a check valve installed at a lower portion of the housing to open and close the inlet. And the first and second control grooves are formed on the inner surface of the housing to control the amount of the medicine flowing into the housing.

And one side of the housing is provided with a recovery port for discharging the medicine to the outside of the housing so as to recover the medicine exceeding the predetermined amount set in advance to the container.

And a guide member having a lower end portion of the valve stem is coupled to the inside of the coupling cylinder. The guide member includes a first engagement guide to which a lower end of the valve stem is coupled, a second engagement guide to be connected to an upper portion of the first engagement guide, And a coupling member for coupling the second coupling guide and the coupling cylinder, wherein an upper end of the housing is coupled to a space between the coupling member and the second coupling guide.

A tapered portion having a larger diameter toward the lower end is formed in the lower portion of the valve stem, and the tapered portion is closely attached to the inner circumferential surface of the first engagement guide to prevent the movement of the drug during the upward movement of the valve stem.

As described above, according to the medicament dispenser of the present invention, the liquid medicament stored in the container is discharged in a droplet state by a predetermined amount, and foreign dust, foreign matter, and bacteria are introduced into the medicament stored in the medicament dispenser It is possible to obtain the effect of blocking.

Therefore, according to the medicine dispenser of the present invention, the container and the medicine dispenser are completely prevented from being contaminated, thereby preventing the contamination and the decay of the medicine. .

Thus, according to the medicine dispenser of the present invention, there is no need to add a preservative in the manufacturing process of medicines, and it is possible to reduce the time and cost required for manufacturing medicines, and to prevent the adverse effect on the human body Can be prevented.

According to the medicament dispenser of the present invention, the contamination of the medicines remaining on the inner upper side of the head base can be prevented by providing the contamination preventing member on the discharge passage.

In addition, according to the medicine dispenser of the present invention, the droplet forming grooves are formed at the upper end of the head base, and the droplets can be discharged in a predetermined amount by the predetermined amount of the medicament.

Further, according to the medicine dispenser of the present invention, the liner is formed to have an outer diameter corresponding to the diameter of the discharge passage, and a plurality of engagement ribs are protruded from the outer peripheral surface of the liner, An effect of preventing the widening of the engaging guide due to the pressure change of the medicine during the medicine dispensing operation of the medicine dispenser can be obtained.

1 is a perspective view of a medicine dispenser according to a preferred embodiment of the present invention,
Figure 2 is a cross-sectional view of the medicament dispenser shown in Figure 1,
FIG. 3 is an exploded perspective view of the medicine dispenser shown in FIG. 1,
4 is an enlarged perspective view of the check valve,
5 is a sectional view taken along the line A-A 'shown in Fig. 3,
Figure 6 is an enlarged perspective view of the liner shown in Figure 3 from another angle,
FIG. 7 is an operational state view showing a state in which the head base of the medicine dispenser shown in FIG. 2 is lowered. FIG.

Hereinafter, a medicine dispenser according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a perspective view of a medicine dispenser according to a preferred embodiment of the present invention, FIG. 2 is a sectional view of the medicine dispenser shown in FIG. 1, and FIG. 3 is an exploded perspective view of the medicine dispenser shown in FIG.

1 and 2, a medicine dispenser according to a preferred embodiment of the present invention includes a suction unit 10 coupled to an upper portion of a container (not shown) to suck the medicine stored in the container, a suction unit A pumping unit 20 connected to one side of the pumping unit 30 and pumping the medicine to discharge the medicine in a predetermined amount and a discharging unit 31 disposed at the upper end of the pumping unit 30, 30).

2 and 3, the suction unit 10 includes a coupling cylinder 11 coupled to the upper end of the container, a housing 12 coupled to the lower portion of the coupling cylinder 11, And a check valve 13 that opens and closes an inlet 121 through which the medicine flows into the housing 12.

The coupling cylinder 11 is formed in a substantially cylindrical shape and a guide member 14 for guiding the up and down movement of the valve stem 22 provided in the pumping portion 20, Respectively.

The guide member 14 includes a first engaging guide 141 formed to have a substantially cylindrical shape with an open top and bottom and to which the lower end of the valve stem 22 is engaged, And a connecting member 143 for connecting the coupling guide 142 and the second coupling guide 142 to the coupling cylinder 11.

The first coupling guide 141 serves to guide the upward and downward movement of the valve stem 22 coupled to the inside. For this, the first coupling guide 141 may be formed with a diameter corresponding to the lower diameter of the valve stem 22.

For example, the first engaging guide 141 may be inclined toward the outer lower side so as to have a larger diameter toward the lower end.

On the other hand, the inner circumferential surface of the first coupling guide 141 is provided with at least one annular guide (not shown) so as to prevent dust, foreign matter, germs and the like in the outer and upper spaces of the coupling cylinder 11 from being transmitted to the space below the first coupling guide 141, (145) may be formed.

The second coupling guide 142 may be formed to have a substantially cylindrical shape with an open top and bottom, and may have a diameter larger than the diameter of the first coupling guide 141.

The upper end of the second coupling guide 142 is inserted into the lower end of the elastic member 23 of the pumping portion 20 to be described below to prevent the radial flow of the elastic member 23 and the elastic member 23 from being separated arbitrarily can do.

The connecting member 143 may be formed in a cylindrical shape having a bottom opened.

The upper end of the housing 12 is coupled to the space between the connecting member 143 and the second engaging guide 142. On the inner circumferential surface of the connecting member 143, a fixing protuberance 144 for fixing the upper end of the housing 12 may be formed.

On the other hand, the guide member 14 separates the upper space and the lower space of the coupling cylinder 11 from each other, thereby preventing the medicine in the lower space of the coupling cylinder 11 from being arbitrarily transmitted to the upper space.

A gasket 15 for sealing the space between the container and the upper space of the coupling cylinder 11 is provided in the lower portion of the guide member 14 while fixing the upper end of the housing 12 in the coupling cylinder 11 .

The housing 12 is formed in the shape of a pipe increasing in diameter toward the upper part.

An inlet 121 through which the medicine stored in the container flows is formed in the lower portion of the housing 12 and a tube (not shown) installed in the container at the lower end of the housing 12 to suck the medicine stored in the container can be connected have.

An installation space 122 in which the check valve 13 is installed and a storage space 123 in which the medicine introduced from the container is temporarily stored may be provided in the housing 12.

The amount of the medicine discharged from the discharge portion 30 can be determined by the volume of the storage space 123.

When a medicine exceeding a preset amount is introduced into the storage space 123 on the inner circumferential surface of the housing 12, the medicine is moved to the upper portion outside the check valve 13 during the lowering operation of the check valve 13, A first adjusting groove 124 for adjusting the amount of the medicine and a second adjusting groove 125 for adjusting the amount of the medicine moving to the upper inside of the check valve 13 may be formed.

3, the first adjusting groove 124 is formed on the inner circumferential surface of the housing 12 at a predetermined distance, and the second adjusting groove 125 is formed in the upper portion of the first adjusting groove 124 As shown in FIG.

As described above, according to the present invention, the amount of the medicine to be injected into the housing is controlled in the second order, so that the amount of the medicine to be discharged can be reduced as compared with the case where the medicine is sprayed so as to form the droplet.

3, four first control grooves 124 are formed and two second control grooves 125 are formed. However, the present invention is not limited thereto, and the present invention is not limited thereto. Size, and shape of the first and second control grooves 124 and 125 according to the discharge amount.

A collection port 126 for discharging medicines exceeding the preset amount to the outside of the housing 12 and returning the medicines to the container when the medicines exceeding a preset amount are introduced into the storage space 123, Can be formed.

4 is an enlarged perspective view of the check valve.

3 and 4, the check valve 13 is formed in a flat cylindrical shape having an open top surface, and a valve seat 131 for opening or closing the inlet 121 is formed in the lower portion of the check valve 13 ).

A plurality of curved ribs 132 may be formed on the inner upper surface of the check valve 13 so as to bend toward the center from the outside so that the check valve 13 can smoothly ascend and descend according to the ascending and descending operations of the valve stem 22. [ have.

In FIG. 4, three curved ribs 132 are shown. However, the present invention is not limited thereto. The curved ribs 132 may be formed to have one or more than two curved ribs 132, and may have various shapes.

The pumping unit 20 blocks external dust, foreign matter, or bacteria from entering the medicine stored therein.

2 and 3, the pumping unit 20 includes a piston 21 that is operated to move up and down according to the ascending and descending operations of the discharge unit 30, a valve stem (not shown) connected to the lower end of the piston 21 22 and an elastic member 23 which is coupled to the outside of the valve stem 22 and provides a restoring force to the discharge portion 30.

The piston 21 is formed in a substantially cylindrical shape and is located in the ascending and descending space 321 of the liner 32 provided in the discharging section 30 to be described below and is in contact with the lower end of the liner 32, And opens and closes the flow path 221 formed in the valve stem 22.

The piston 21 can be molded using a soft synthetic resin material.

The piston 21 may be formed with an insertion groove 211 into which the spring 34 of the discharge portion 30 is inserted. The insertion groove 211 may be recessed downward from the upper surface of the piston 21 by a predetermined depth.

The piston 21 may be provided with an opening / closing protrusion 213 for closing the upper end of the flow passage 221 of the valve stem 22.

The opening / closing protrusion 213 may be tapered so that the diameter of the upper end portion is larger than the diameter of the flow path 221, and the diameter becomes smaller toward the lower end.

Accordingly, the opening / closing protruding portion 213 is elastically deformed by the elastic force inherent when the flow path 221 of the valve stem 22 is closed, and can be restored to its original shape when the flow path 221 is opened.

Three annular protrusions 212 may be formed on the outer circumferential surface of the piston 21 at regular intervals so as to be in close contact with the discharge passage 311.

The annular protrusion 212 provided on the upper and middle portions of the outer circumferential surface of the piston 21 serves to prevent the medicine delivered to the lower portion of the piston 21 from flowing into the lifting and lowering space 321 provided at the upper portion of the piston 21 And the annular protrusion 212 provided at the lower portion of the outer circumferential surface of the piston 21 serves to block the discharge hole 323 of the liner 32 described below when the piston 21 is moved downward.

As described above, according to the present invention, a plurality of annular protrusions are formed on the outer circumferential surface of the piston to seal the space between the piston and the liner, and the piston can be smoothly lifted and lowered.

On the other hand, the present invention may be modified to form an annular groove on the outer circumferential surface of the piston instead of the annular ridge and to join the O-ring to the annular groove.

The valve stem 22 is formed in a cylindrical shape and pumps the medicine temporarily stored in the storage space 123 of the housing 12 while the piston 21 is lifted and lowered by the lifting operation of the piston 21 to deliver the medicine to the discharge portion 30 .

For this purpose, a flow path 221 for delivering medicine from the storage space 123 to the discharge part 30 is formed in the valve stem 22.

The upper portion of the valve stem 22 is located inside the discharge passage 311 of the discharge portion 30 and the lower portion of the valve stem 22 can be coupled to the first engagement guide 141 of the coupling cylinder 11.

At least one annular engagement protrusion may be formed on the outer circumferential surface of the valve stem 22 so as to improve the coupling force between the valve stem 22 and the guide member 314.

A tapered portion 222 having a larger diameter toward the lower end is provided at a lower portion of the valve stem 22.

The tapered portion 222 is in close contact with the inner circumferential surface of the first coupling guide 141 during the lifting operation of the valve stem 22 to prevent the movement of the drug.

The elastic member 23 is elastically deformed during the lowering operation of the discharge unit 30 to provide a restoring force to the head base 31 provided in the discharge unit 30 to be described below.

The lower end of the elastic member 23 is supported on the upper surface of the connecting member 143 of the coupling cylinder 11 and the upper end of the elastic member 23 is supported on the lower surface of the support member 316 of the head base 31 .

As shown in FIGS. 2 and 3, the discharging portion 30 is provided with a head base 31 which forms an external shape and which moves up and down according to a user's operation, a discharging passage 311 formed inside the head base 31 A liner 32 for transferring the medicine pumped by the lifting operation of the piston 21 to the discharge hole 312 side of the head base 31 and a spring 34 provided between the liner 32 and the piston 21, And droplet forming means for forming a droplet to eject droplets of the medicine to be delivered to the ejection hole 312.

The head base 31 is formed so as to discharge medicines to the eyeball of the human body and to have a smaller diameter toward the upper end.

A discharging hole 312 for discharging a predetermined amount of medicine is formed at the upper end of the head base 31. A flange 313 and a connecting cylinder 31 And a vertical portion 315 covering the upper outer side may be formed.

The diameter of the discharge hole 312 may be set by an experiment so as to discharge a predetermined amount of medicine.

In the present embodiment, the amount of the drug discharged one time on a bed may be set to about 0.02 to 0.05 ml, preferably about 0.03 ml.

And the diameter of the discharge hole 312 may be set to about 1.5 to 2.0 mm, preferably about 1.7 mm.

The distance between the lower surface of the flange portion 313 and the upper end of the coupling cylinder 11 is a working distance in the lifting operation of the head base 31 and the valve stem 22. [ That is, the upper end of the coupling sleeve 11 serves as a stopper.

A guide 314 for forming the discharge passage 311 and a support member 316 for supporting the guide 314 are formed in the head base 31. A liner 32 and a valve stem (22) is disposed.

5 is a cross-sectional view taken along the line A-A 'shown in FIG.

As shown in FIG. 5, on the inner surface of the upper end of the head base 31, a droplet forming groove (not shown) for forming droplets by lowering the discharge speed and the discharge pressure so as to discharge the medicine in a droplet state by a predetermined amount through the discharge hole 312 317 may be formed.

That is, the droplet forming means may include a dirt preventing member 33 and a droplet forming groove 317 provided between the upper surface of the head base 31 and the upper portion of the liner 32.

For example, the droplet forming grooves 317 may be formed of a plurality of grooves communicating with the discharge holes 312.

Although three droplet forming grooves 317 are shown in Fig. 5, the present invention is not necessarily limited thereto, and may be modified to variously change the number, shape, and size of the droplet forming grooves 317. [

The discharge passage 311 is communicated with the discharge hole 312 and the discharge hole 312 discharges the medicine delivered by the upward movement of the piston 21 during the drop operation of the head base 31 in a droplet state.

Figure 6 is an enlarged perspective view of the liner shown in Figure 3 from a different angle.

The liner 32 is formed in a substantially cylindrical shape as shown in Figs. 2, 3 and 6, and includes a lifting space 321 in which the piston 21 is inserted into the liner 32, An engaging groove 322 may be formed at an upper portion of the space 321 to engage the upper portion of the spring 34.

As the piston 21 moves upward during the descending operation of the head base 31, the medicine delivered through the flow path 221 inside the valve stem 22 is discharged to one side of the liner 32 to the outside of the liner 32 An exhaust hole 323 may be formed.

A movement path 324 for moving the medicine discharged through the discharge hole 323 toward the discharge hole 322 may be formed on the outer circumferential surface of the liner 32.

The upper portion of the liner 32 is formed to have a smaller diameter than the diameter of the lower portion. The upper portion of the liner 32 is controlled to regulate the amount of the discharged medicament so as to discharge the predetermined amount of medicament in a droplet state A plurality of regulating protrusions 325 may be formed.

Each adjustment projection 325 is protruded from the upper end of the liner 32 toward the discharge hole 312 so that a space is formed between each adjustment projection 325 to transmit the medicine to the discharge hole 312 .

At the same time, a plurality of engagement ribs 326 may protrude from the outer peripheral surface of the liner 32 along the vertical direction.

The engaging rib 326 allows the liner 32 to be pressed into the guide 314 of the head base 31 when the liner 32 and the head base 31 are assembled so that the coupling force between the liner 32 and the guide 314 .

If the outer diameter of the liner 32 is larger than the diameter of the discharge passage 311, a large amount of force is required to assemble the liner 32 and the head base 31, The guide 314 may be broken or damaged.

Therefore, the present invention can easily combine the liner with the head base assembly by forming the liner so as to have an outer diameter corresponding to the diameter of the discharge passage, and by forming a plurality of engagement ribs on the outer peripheral surface of the liner, It is possible to prevent the widening of the engaging guide due to the pressure change of the medicine during the operation.

The upper and lower ends of the contamination prevention member 33 are respectively supported on the stepped surface on the liner 32 and the lower surface of the inner surface of the head base 31, respectively.

The contamination preventing member 33 can form a vortex while moving the medicine moved to the upper portion of the discharge passage 311 along the movement path 324 of the liner 32 to the discharge hole 312 side.

The upper and lower portions of the spring 34 are inserted into the engaging groove 322 of the liner 32 and the inserting groove 211 of the piston 21, respectively.

The spring (34) provides an elastic force to the piston (21) moving up and down in the lifting space (321) of the liner (32).

Accordingly, when the operation force is released before the operation of the user is applied to the head base 31, the piston 21 closes the upper end of the flow path 221 formed in the valve stem 22.

On the other hand, a cover (not shown) may be coupled to an upper portion of the head base 31 to prevent contamination around the discharge hole 312.

Next, the binding relationship of the medicament dispenser according to the preferred embodiment of the present invention will be described in detail.

The springs 34 and the pistons 21 are sequentially engaged in the liner 32 and the contamination preventing member 33 and the liner 32 are coupled to the discharge passage 311 inside the head base 31 .

At this time, the liner 32 is press-fitted into the guide 314 of the head base 31 by a plurality of engagement ribs 326 formed on the outer peripheral surface of the liner 32.

After the valve stem 22 is positioned in the lower portion of the coupling sleeve 11, the first engaging guide 141 is inserted through the first engaging guide 141 and the elastic member 23 is provided on the outer side of the valve stem 22, Thereby coupling the upper portion of the valve stem 22 to the passageway 311.

The upper end of the elastic member 23 is supported on the lower surface of the support member 316 of the head base 31. The lower end of the elastic member 23 is supported on the upper surface of the coupling member 143 of the coupling cylinder 11, And is fixed to the upper end of the second coupling guide 142.

Accordingly, the elastic member 23 can be stably fixed by the second engaging guide 142, and can be elastically deformed during the lowering operation of the head base 31 to provide restoring force to the head base 31.

A check valve 13 is provided in the installation space 122 of the housing 12 and the upper end of the housing 12 is connected to the space between the second engaging guide 12 of the engaging cylinder 11 and the connecting member 143 The gasket 15 is engaged to firmly fix the housing 12 and the coupling cylinder 11 to each other.

A tube is coupled to the lower end of the drug dispenser thus assembled, and the coupling cylinder 11 is coupled to the upper end of the container to complete the assembly.

Next, a method of operating the medicine dispenser according to the preferred embodiment of the present invention will be described in detail with reference to FIGS. 2 and 7. FIG.

FIG. 7 is an operational state diagram showing a state in which the head base of the medicine dispenser shown in FIG. 2 is lowered.

2, before the user presses the piston 21, the piston 21 is maintained in the lowered operating state by the elastic force of the spring 34, and the piston 32 is moved to the discharge port 323 formed at one side of the liner 32, The upper end of the flow path 221 formed in the stem 22 is closed.

The tapered portion 222 of the valve stem 22 is brought into close contact with the inner surface of the first coupling guide 141 of the coupling cylinder 11 and the inner surface of the housing 12 to move the medicine to the upper space of the coupling cylinder 11 Thereby preventing dust, foreign matter, and germs from entering the inside of the housing 12.

As described above, the present invention can be used as a dispenser for an agent without added preservatives to prevent contamination and decay of medicines by completely blocking contamination of medicines stored in the medicament dispenser.

Accordingly, the present invention eliminates the need to add preservatives during the manufacture of medicines, thereby reducing the time and cost required for the manufacture of medicines, and preventing adverse effects on the human body due to the addition of preservatives.

When the user presses the flange 313 of the head base 31 to lower the head base 31, as shown in Fig. 7, due to the pressure generated by the valve stem 22 moving downward, 13 move downward to close the inlet 121 of the housing 12.

The medicine stored in the storage space 123 of the housing 12 moves toward the discharge portion 30 along the flow path 221 formed in the valve stem 22. [

As the piston 21 is moved upward by the pressure of the medicine moving along the flow path 221 of the valve stem 22 as described above, the medicine flows into the discharge hole 323 of the liner 32 and the movement path 324, And moves along the droplet forming grooves 317 and the space between the contamination preventing member 33 and the regulating protrusions 325 of the liner 32 to discharge the droplets through the discharging holes 312, .

At this time, the amount of the medicine discharged by the one-time lowering operation of the head base 31 is determined by the volume of the storage space 123 formed in the housing 12 and the volume of the first and second control grooves 124, 125, The diameter of the discharge hole 323 and the cross sectional area of the movement passage 324, the size of the space between the adjustment projecting portions 325, and the diameter of the discharge hole 312, and the like.

As described above, according to the present invention, the contamination of the medicine remaining on the inner upper portion of the head base can be prevented by providing the contamination preventing member inside the discharge passage.

According to the present invention, the diameter of the discharge hole is increased and the droplet forming groove is formed at the upper end of the head base to reduce the discharging amount of the medicine to be discharged, and the discharging pressure and discharging speed are lowered, can do.

When the pressure of the upper part of the discharge passage 311 is lowered by discharging the medicine, the piston 21 is lowered by the elastic force of the spring 34 and the upper end of the flow passage 221 of the valve stem 22 is closed.

When the operation force applied to the flange 313 is released, the valve stem 22 also ascends as the head base 31 ascends by the restoring force of the elastic member 23.

At this time, as the suction force is generated in the storage space 123 inside the housing 12, the check valve 13 moves up to open the inlet 121, and the medicine stored in the container passes through the tube and the inlet 121, (12) and stored.

If the amount of the medicine introduced into the housing 12 exceeds a predetermined amount, the medicine exceeding the preset amount is discharged through the first adjusting groove 124 of the housing 12 and the recovery opening 126, .

Then, the user presses the flange 313 the number of times to discharge the medicine, and the medicine dispenser repeatedly performs the above-described process to discharge the medicine.

Through the above process, the present invention can dispense the liquid medicament stored in the container in a droplet state by a predetermined amount, and prevent foreign dust, foreign matter, and bacteria from flowing into the medicament stored in the medicament dispenser have.

Although the present invention has been described in detail with reference to the above embodiments, it is needless to say that the present invention is not limited to the above-described embodiments, and various modifications may be made without departing from the spirit of the present invention.

That is, the present embodiment has been described with reference to a medicine, but the present invention is not limited thereto.

For example, the present invention can be applied not only to medicines, but also to fluid dispensers of various shapes and applications, such as foods or cosmetics, which dispense liquid-state fluids stored in containers in a droplet state.

Although the present invention has been described in detail with reference to the above embodiments, it is needless to say that the present invention is not limited to the above-described embodiments, and various modifications may be made without departing from the spirit of the present invention.

The present invention is applied to a medicine dispenser technique for discharging a liquid medicament stored in a container in a droplet state by a predetermined amount, and blocking external dust, foreign matter, and germs from being introduced into medicines stored in the medicament dispenser.

10: suction part 11: coupling cylinder
12: housing 121: inlet
122: Installation space 123: Storage space
124: adjusting groove 126:
13: Check valve 131: Valve seat
132: curved rib 14: guide member
141: first coupling guide 142: second coupling guide
143: connecting member 144: fixing jaw
145: annular guide 15: gasket
20: pumping section 21: piston
211: insertion groove 212: annular projection
213: opening / closing projection 22: valve stem
221: channel 222: tapered portion
23: elastic member 30:
31: head base 311: discharge passage
312: Discharge hole 313: Flange
314: guide 315: vertical part
316: Support member 317: Drop forming groove
32: liner 321: ascending / descending space
322: coupling groove 323: exhaust hole
324: Moving flow path 325:
326: engaging rib 33:
34: spring

Claims (10)

A suction unit coupled to an upper portion of the container for sucking the liquid medicament stored in the container,
A pumping unit coupled to one side of the suction unit and pumping to discharge a predetermined amount of medicament;
And a discharge portion provided at an upper end of the pumping portion and having a discharge hole for discharging the medicine in a droplet state at the tip end,
Wherein the pumping unit blocks external dust, foreign matter, or bacteria from entering the medicine stored in the medicine dispenser. The method according to claim 1,
Wherein the pumping unit includes: a piston that moves up and down according to an elevating operation of the discharging unit;
A valve stem connected to the lower end of the piston,
And an elastic member coupled to an outer side of the valve stem to provide a restoring force to the discharge portion,
The piston moves up to transmit the medicine delivered through the flow path formed inside the valve stem to the discharge hole by a predetermined amount during the lowering operation of the discharge unit, Pharmaceutical Dispenser. The apparatus as claimed in claim 2, wherein the discharging portion
A head base on which a discharge hole is formed,
A liner that is provided in a discharge passage formed in the head base and transfers the pumped drug to the discharge hole side by the lifting operation of the piston,
A spring installed between the liner and the piston to provide an elastic force to the piston,
And droplet forming means for forming droplets to discharge the medicine delivered to said discharge hole in a droplet state. The method of claim 3,
The droplet forming means includes a contamination preventing member provided between the lower surface of the head base and the upper portion of the liner
And a droplet forming groove formed on a lower surface of the head base,
The contamination preventing member is made of a material having a disinfecting function to prevent contamination of the medicine remaining in the upper portion of the inside of the head base,
Wherein a plurality of regulating protrusions are formed on an upper end of the liner to regulate the amount of the discharged medicament so as to discharge a predetermined amount of medicament in a droplet state. 5. The method of claim 4,
A flange being press-operated by a user at a lower portion of the head base;
A vertical portion covering the upper end outside of the suction portion is formed,
The head base is provided with a guide for forming the discharge passage
And a support member for supporting the guide is formed. The method of claim 3,
Wherein a plurality of engaging ribs are protruded from the outer circumferential surface of the liner so that the liner is press-fitted into the guide of the head base when the liner and the head base are assembled. 3. The method of claim 2,
The suction unit includes a coupling cylinder coupled to an upper end of the container,
A housing coupled to a lower portion of the coupling cylinder and having an inlet through which the medicine stored in the container is introduced,
And a check valve installed at a lower portion of the housing to open and close the inlet,
Wherein the first and second adjusting grooves are formed on the inner surface of the housing to adjust the amount of the medicine flowing into the housing. 8. The method of claim 7,
And a recovery port for discharging the medicine to the outside of the housing to recover the medicine exceeding the preset amount set in the container is formed at one side of the housing. 8. The method of claim 7,
A guide member to which the lower end of the valve stem is coupled is provided in the coupling cylinder,
The guide member includes a first engaging guide to which the lower end of the valve stem is engaged,
A second coupling guide connected to an upper portion of the first coupling guide,
And a connecting member for connecting the second coupling guide and the coupling cylinder,
And the upper end of the housing is coupled to the space between the connecting member and the second engaging guide. 10. The method of claim 9,
A tapered portion having a larger diameter toward a lower end is formed in a lower portion of the valve stem,
Wherein the tapered portion is in close contact with the inner circumferential surface of the first engagement guide to prevent movement of the drug during the lifting operation of the valve stem.

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