KR101306511B1 - Dispenser pump device to protect the liquid from being flowed down - Google Patents

Abstract

PURPOSE: A dispensing pump apparatus is provided to prevent liquid content inside a container and discharge chamber from flowing down. CONSTITUTION: A container cap(105) is combined with a container. A container sealing part, which keeps liquid content inside the container, is placed between the container cap and the container. A cylinder part(160) is combined with a suction hose(109) which discharges the liquid content inside the container. A piston ring part(150) is placed on the inner part of the cylinder part, and the piston ring part slides by engaging and disengaging pressure. An upper side of a piston part(130) is connected to a nozzle outlet(119) and an inner part(113) of the nozzle which forms the channel of the liquid content. The lower side of the piston part(140) guides the liquid content to the upper part of the piston part and the nozzle outlet. A piston elastic part(180) elastically pressurizes the upper piston part and lower piston part about the cylinder part. An intermediate sealing part(120) is combined between the container cap and the upper side of the piston part.

Description

Dispenser Pump Device to protect the liquid from being flowed down}

The present invention relates to a spill prevention dispensing pump device, and more particularly, to a spill preventing dispensing pump device having an improved airtight structure so as to prevent a drop even when left for a long time.

In general, the pump device is widely used in mousse for hair, face wash cream, liquid soap, kitchen detergent, colorant, etc., and is used to discharge the liquid in an appropriate amount. However, in the conventional pumping apparatus, the contents may flow down when left for a long time.

In order to compensate for these disadvantages, Patent Publication No. 10-057-93781 (June 20, 2006), Patent Publication No. 10-0468605 (January 19, 2005) and the like are disclosed.

However, in the prior art, there is a fear that contents stored in a part of the storage space for external air to be discharged to the container or the outside may flow down, and the problem of the flow around the nozzle is dirty or the area around the container is not clean. have.

It is an object of the present invention to provide a spill prevention dispensing pump device capable of preventing a shape in which not only the contents inside the container but also the contents inside the discharge chamber temporarily stored for discharge to the outside of the container flow.

In addition, another object of the present invention is to provide a spill prevention dispensing pump device capable of improving reliability.

Still another object of the present invention is to provide a flush prevention dispensing pump device that is hygienic, simple in structure, and convenient.

An object of the present invention is coupled to a container for receiving a content containing a liquid between the pressurized position where the user presses the nozzle portion and the contents are discharged to the outside and the pressure release position where the contents are not discharged to the outside by depressurizing the nozzle portion. A dispensing pump device coupled to the container so as to be movable, comprising: a container cap coupled to an opening of the container and having a container sealing member interposed therebetween to maintain an airtight inside the container; A cylinder unit coupled between the container cap and the container, the suction hose being coupled to suck the contents of the container to the outside, and having a space for storing contents introduced through the suction hose; A piston ring unit coupled to the inner side of the cylinder unit and guided to the inner side of the cylinder unit to be slidably moved according to pressurization and release of the nozzle unit; An upper piston part which is connected to the inside of the nozzle inner member which communicates with the nozzle discharge port discharged from the nozzle part to form a passage therein and is movable to the nozzle part according to pressurization and release of the nozzle part; ; A lower piston part coupled to the upper piston part to guide the contents introduced into the space of the cylinder to the upper piston part and the discharge port; A piston elastic portion for elastically pressing the nozzle portion, the upper piston portion, and the lower piston portion to the release position with respect to the cylinder; An intermediate sealing part coupled between the container cap and the upper cylinder to slidingly contact the upper piston part to guide movement of the upper piston part and to block external air flowing into the space formed by the cylinder part from the outside of the container; It is achieved by a dispensing pump device comprising a.

Further, the upper piston engaged with the intermediate sealing surface and the intermediate sealing surface of the intermediate sealing portion and the upper piston portion in surface contact with the pressure release position and preventing the nozzle portion from being further separated from the container. It is preferable to include a negative epithelial sealing surface.

In addition, the contents are sucked from the container at the pressure release position to distinguish between the contents stored between the cylinder portion and the lower piston portion and the contents stored in the space inside the upper piston portion and the lower piston portion to prevent mutual movement. It is preferable that the piston ring contact surface of the piston ring portion which is in surface contact with sustainability and the lower piston contact surface which engages with the piston ring contact surface.

In addition, it is preferable that the one side is further supported by the piston ring portion, the other side is supported by the upper piston portion and further includes a piston ring elastic portion for elastically supporting the piston ring portion to the lower piston portion with respect to the upper piston portion.

In addition, the inner side of the nozzle inner member and the outer side of the upper piston portion is coupled in continuous contact with the pressing direction so as to maintain the airtight, it is preferable that the nozzle portion and the upper piston portion is mutually interlocking and interlocking. .

In addition, it is preferable that the inner side of the upper piston and the outer side of the lower piston are continuously coupled in the pressing direction so as to maintain airtightness, and the upper piston and the lower piston are engaged with each other while being interfitted. .

Accordingly, according to the present invention, it is possible to prevent the shape of the contents inside the discharge chamber temporarily stored for discharging to the outside of the container as well as the contents inside the container, to improve the reliability, hygienic and simple and convenient structure A spill prevention dispense pump device can be provided.

1 is an exploded cross-sectional view of a spill prevention dispensing pump device according to an embodiment of the present invention,
2 is an enlarged partial cross-sectional view for explaining the surface contact state of the intermediate sealing portion and the upper piston of FIG.
3 is an enlarged partial cross-sectional view for explaining the surface contact state of the piston ring portion and the heart's piston unit of FIG.
4 is a cross-sectional view showing the pressing position of FIG.
FIG. 5 is a cross-sectional view illustrating a release position of FIG. 2.

Referring to Figures 1 to 5 will be described in detail with respect to the anti-drip dispensing pump device (hereinafter referred to as "pump device" 100) according to an embodiment of the present invention.

1 is an exploded cross-sectional view of the anti-drip dispensing pump apparatus according to an embodiment of the present invention, Figure 2 is an enlarged partial cross-sectional view for explaining the surface contact state of the intermediate sealing portion and the upper piston of Figure 1, Figure 3 1 is an enlarged partial cross-sectional view for explaining the surface contact state of the piston ring portion and the hearth piston phone of FIG. 1, FIG. 4 is a cross-sectional view showing a pressing position of FIG. 1, and FIG. 5 is a cross-sectional view showing a pressure release position of FIG. .

For convenience of description below, a portion in which the nozzle unit 110 is located in the pump device 100 in the state as shown in FIGS. 4 and 5 is housed in the container 103 coupled to the container cap 105. The bottom part (not shown) in which the contents are accommodated is called a lower side.

The pump device 100 is coupled to a container 103 containing contents containing liquid, and a pressurized position (see FIG. 4) where the user presses the nozzle 110 and the contents are discharged to the outside and the nozzle portion ( The pressure is released from 110 to couple to the container so as to be movable between the pressure release positions (see FIG. 5) in which the contents are not discharged to the outside.

The pump device 100 is coupled to an opening (not shown) of the container 103 and coupled to the container 103 with a container sealing member 107 interposed between the container 103 to maintain the airtight inside the container 103. A container cap 105 and a suction hose 109 coupled between the container cap 105 and the container 103 to suck out the contents of the container 103 to the outside are coupled to the suction hose 109. The cylinder portion 160 having a space for storing the contents introduced through the) and the inside of the cylinder portion 160 is coupled to the inside of the cylinder portion 160 in accordance with the pressurization and release of the nozzle unit 110 The piston ring portion 150 which is guided inwardly and slidably moves, and the nozzle inner member 113 which communicates with the nozzle outlet 119 discharged from the nozzle unit 110 to the outside to form a passage of the contents therein. Is coupled to the inner side according to the pressurized and released pressure of the nozzle unit 110 The upper piston part 130 and the upper piston part 130 provided to be movable and the contents of the upper piston part 130 coupled to the upper piston part 130 into the space of the cylinder part 160 are introduced into the upper piston part 130 and the nozzle. Pressing the lower piston part 140, the nozzle part 110, the upper piston part 130, and the lower piston part 140, which are provided to be guided to the outlet 119, against the cylinder part 160. The piston elastic portion 180 elastically pressurized to the release position, and the sliding contact with the upper piston portion 130 to guide the movement of the upper piston portion 130 and the cylinder portion 160 outside the vessel 103 Intermediate sealing portion 120 is coupled between the container cap 105 and the cylinder portion 160 to block the outside air introduced into the space formed by the.

In addition, the pump device 100 is sucked in the container 103 at the pressure release position and the contents stored between the cylinder portion 160 and the lower piston portion 140 and the upper piston portion 130 and the lower side. The piston ring contact surface 155 and the piston ring contact surface 155 of the piston ring portion 150 to maintain the airtight to distinguish between the contents stored in the space inside the piston unit 140 to prevent mutual movement and It includes a lower piston contact surface 147 of the lower piston portion 140 to be engaged.

In addition, in the pump device 100, one side is supported by the piston ring portion 150 and the other side is supported by the upper piston portion 130 and the piston ring portion 150 with respect to the upper piston portion 130 It is preferable to further include a piston ring elastic portion 190 to be elastically supported by the piston portion 140, which is provided below the cylinder portion 160 is introduced into the cylinder portion 160 through the suction hose 109 It is provided with a check ball unit 170 for intermittently blocking the flow of the contents.

The container 103 is made of a synthetic resin or a material such as plastic, metal, etc., and is generally formed in a cylindrical shape and has a structure capable of accommodating contents including a liquid such as oil therein. The opening of the container 103 is coupled to the container cap 105 and the screw structure (103a, 105a).

The nozzle unit 110 is located at the upper side of the pump device 100 as a part that the user can pressurize. The nozzle unit 110 includes a nozzle outlet 119 in which a nozzle inner member 113, which is a passage through which contents are discharged in a central region, is formed in a cylindrical space, and the contents are discharged to the outside at an end portion thereof. The nozzle unit 110 is formed in a space between the nozzle body 111 forming an outer appearance and the cylindrical outer nozzle body 111 forming the outer appearance and the nozzle inner member 113 to have a plurality of rib shapes. The nozzle rib 115 provided in contact with the upper end of the cap 105 and the nozzle catching jaw protruding from the inner side so that the nozzle part 110 further restricts the lower side with respect to the upper piston part 130 ( 117, and a nozzle biting member 118 recessed from the inner side to engage the upper piston portion 130.

In addition, the inside of the nozzle inner member 113 and the outside of the upper piston portion 130 have an allowable fitting tolerance, and the nozzle engagement member 118 and the epithelial outer locking member which are interlocking portions 118 and 133. 133 may be provided to maintain airtightness between the inside of the nozzle inner member 113 and the outside of the upper piston 130. It is preferred that the length of this interference fit portion be somewhat longer and at least about 2 cm or more, depending on the capacity of the container 103. The length of the interference fitting portion is also applied to the combination of the inner side of the upper piston portion 130 and the outer side of the lower piston portion 140.

The inside of the suction hose 109 has a passage 109a through which the contents flow, one side of which has a length close to the bottom of the container 103 and the other side of the suction part 167 formed at the lower end of the cylinder portion 160. Coupled to the guide to guide the contents into the cylinder 160.

The intermediate sealing part 123 is formed by extending in a cylindrical shape downward from the end of the intermediate sealing flange 162 and the intermediate sealing flange 162, which is supported by the intermediate sealing support groove 161 formed in the cylinder portion 160 It is further provided with a skirt shape (not shown), and has an intermediate sealing surface 123 formed in an inclined surface to limit the rising of the upper piston portion 130 and make a surface contact inside the lower side.

Accordingly, it is possible to prevent the outside air from flowing into the cylinder 160 by the surface contact between the upper piston 130 and the intermediate sealing 123.

The upper piston 130 is coupled to the inside of the nozzle unit 110, the upper side is coupled to the nozzle unit 110 to guide the contents sucked from the container 103 to the nozzle unit 110 and the lower side of the cylinder unit 160 And it is coupled to the lower cylinder 160.

The upper end of the upper piston 130 is in contact with the nozzle catching jaw 117 and the portion protruding in the outer middle contacts the lower end of the nozzle inner member 113, and the portion protruding outward from the lower end is the intermediate sealing portion 120. ) And an upper epithelial sealing surface 131 capable of surface contact, and the recessed area formed from the lower end of the inner side is coupled to the outer side of the lower piston part 140 and the upper epitaxial inner locking jaw 137 and a plurality of images. The piston inner engagement member 135 is provided. In addition, the upper piston 130 is provided with an upper epitaxial outer locking member 134 protruding from the upper outer side and supported by the lower end of the nozzle inner member 113.

The lower inner part of the upper piston part 130 and the upper outer part of the lower piston part 140 are coupled in a mutually interfitting manner and have a structure that engages with each other so that outside air does not flow into the space through which the contents pass. It may have a structure.

The lower piston unit 140 is coupled to the upper piston unit 130 on the upper side and has a structure of sliding guide by the piston ring unit 150 on the lower side. The upper end of the lower piston portion 140 is in contact with the inner epithelial stone inner engaging jaw 137 recessed from the lower end of the upper piston portion 130, the outer side of the upper is engaged with the upper epithelial stone inner engagement member 135 The piston engaging member 141 is provided.

Inside the lower end of the lower piston portion 140 is a structure in which a trapezoidal cross section and a cylindrical cross section are combined, and an empty space is formed in the lower piston portion 140, the upper piston portion 130, and the nozzle portion. A piston elastic member receiving member 145 having a diaphragm (a horizontally shown portion of FIG. 145) is provided to receive and support the piston elastic portion 180 that elastically supports the 110 against the cylinder portion 160. have.

In addition, the lower portion of the lower piston portion 140 has a slightly larger outer diameter than the upper portion, and a large outer diameter and a small outer diameter are connected to the inclined surface, and the inclined surface is provided with a lower piston contact surface 147 capable of surface contact with the piston ring portion 150. The upper portion of the lower piston contact surface 147 is provided with a plurality of oil passage holes 143 through which the cylinder portion 160 penetrates into the inner space of the lower piston portion 140 to allow the contents to flow therethrough. It is preferable that the oil through hole 143 is formed to face the center axis of the lower piston part 140. That is, two oil passage holes 143 may be formed in the 180 degree direction, or four may be formed in the 90 direction.

The piston ring 150 has elasticity and extends from the outer piston ring 151 and the outer piston ring 151 sliding along the inner side of the cylinder 160, and the inner piston sliding in contact with the lower piston 140. Is provided with a ring 153 and has a rib (not shown) provided in the center of the horizontal direction to combine the outer piston ring 151 and the inner piston ring 153. The piston ring unit 150 has a structure in which the lower piston unit 140 and the inner surface of the piston ring contact surface 155 in the lower contact with the surface in the process of moving the nozzle unit 110 from the pressure position to the pressure release position. The airtightness of the suction chamber 104 can be maintained, so that the contents can be more effectively sucked from the container 103 into the suction chamber 104 of the cylinder portion 160 through the suction hose 109.

In addition, the piston ring portion 150 is supported by the upper piston portion 130 to accommodate the piston ring elastic portion 190 to elastically pressurize the piston ring 150 to the lower piston contact surface 147 of the lower piston portion 140. The piston ring elastic support member 157 is provided between the outer piston ring 151 and the inner piston ring 153 in a rib shape.

The cylinder portion 160 extends to have a space inside the cylinder flange 162 coupled to the airtightness between the container cap 105 and the container 103 and a cylinder shape inside the cylinder flange 162. The suction part 167 and the suction part 167 to which the piston elastic support member 165 and the suction hose 109 to which the piston ring 150 is slid guided and the piston elastic part 180 is supported at the lower side can be coupled. ) Has a structure in which the check ball unit 170 can be coupled to a portion extending in the upper side in the shape of a funnel, and the lower and lower piston portions 140 of the upper and middle sealing portions 123 of the piston ring portion 150. The ventilation hole 163 penetrates the cylinder part 160 so that the air of the space formed by the outer side and the inside of the cylinder part 160 can communicate with the inside of the container 103.

In addition, the cylinder flange 162 is formed with an intermediate sealing part support groove 161 to which the intermediate sealing part 120 can be coupled, and an inner piston that protrudes from the inner plate surface to limit the lowering of the piston ring part 150. A ring locking jaw 169 is provided.

In addition, an inner ball support member 181 wound around the piston elastic portion 180 to a size smaller than an outer diameter of the check ball portion 170 is bent inward so that the check ball portion 170 does not rise upward.

Here, the upper piston portion 130 before the contents are discharged to the outside through the nozzle outlet 119 is separated from the suction chamber 104 and the suction chamber 104 which is a space where the contents are sucked into the cylinder 160 and stored. And a discharge chamber 102 which is a storage space in the space of the lower piston part 140.

Referring to Figures 1 to 5 the operation of the pump device 100 according to an embodiment of the present invention having such a configuration as follows.

First, when the user pressurizes the nozzle unit 110, the pressing force is transmitted to the nozzle unit 110-the upper piston unit 130-the lower piston unit 140, and the nozzle unit 110, the upper piston unit 130, and the lower side. The piston unit 140 moves downward by the same stroke integrally. In this process, the suction chamber 104 under the cylinder 160 is compressed and the contents stored in the suction chamber 104 are introduced into the discharge chamber 102 through the oil passage hole 143 and the contents of the amount introduced. The user may utilize the contents discharged by pushing the contents of the discharge chamber 102 to the outside through the nozzle outlet 119.

In this process, the check ball unit 170 is pressed downward by the compression of the suction chamber 104 to seal the suction unit 167 in the lower part of the cylinder, and the piston elastic unit 180 and the piston ring elastic unit 190 contract each. do.

The piston ring 150 is lowered together with the nozzle unit 110 and the upper and lower piston parts 130 and 140, and the lower end of the outer piston ring 151 of the piston ring 150 has a piston ring inside the cylinder part. The piston ring contact surface 155 is no longer lowered from the locking jaw 169 or the pressure of the contents filled in the suction chamber 104 overcomes the elastic force of the piston ring elastic portion 190 and pushes up the piston ring portion 150. And a space is formed between the contact surface 147 and the contents of the suction chamber 104 move to the discharge chamber 102 through the oil passage hole 143 to push the contents of the discharge chamber 102 and the contents are nozzles. It is discharged to the outside of the nozzle unit 110 through the outlet 119.

In this process, the space formed by the lower side of the intermediate sealing unit 120, the upper side of the piston ring unit 150, the inner side and the upper side of the cylinder unit 160, and the outer side of the lower cylinders 130 and 140 becomes larger in volume. Air inside the 103 may flow into the vent hole 163.

That is, the process as shown in FIG. 4, where this process is completed, corresponds to the pressing position.

Next, when the user releases the pressurization of the nozzle unit 110, the pressing force is released, and the elastic force of the piston elastic unit 180 is transmitted to the nozzle unit 110-the upper piston unit 130-the lower piston unit 140, and the nozzle. The unit 110, the upper piston 130, and the lower piston 140 are integrally moved upward by the same stroke. In this process, the suction chamber 104 in the lower portion of the cylinder 160 becomes larger and becomes a vacuum. The reason for this is that the oil passage hole 143 is in surface contact with the lower piston part 140 by the rising of the lower piston part 140 and the pressure elastic force of the piston ring elastic part 190 so that the suction chamber 104 is lower piston part. This is because it is not connected to the discharge chamber 102 of the 140 and the upper piston part 130. At the same time, the check ball unit 170 below the cylinder unit 160 is spaced apart from the cylinder unit 160 under the cylinder 103, the container 103, the suction hose 109, the suction unit 167 and the suction chamber 104 communicate with each other. Therefore, the contents are introduced into the suction chamber 104 which becomes bulky. At the same time, since the space of the discharge chamber 102 becomes large, the contents are not discharged to the outside through the nozzle discharge port 119.

In this process, the piston elastic part 180 and the piston ring elastic part 190 are respectively extended.

In addition, the piston ring 150 is raised together with the nozzle unit 110 and the upper and lower piston parts 130 and 140, and the upper piston sealing surface 131 of the upper piston part 130 is formed with the intermediate sealing surface 123. The nozzle part 110 and the upper and lower piston parts 130 and 140 are raised until the contact is made.

In this process, the space formed by the lower side of the intermediate sealing unit 120, the upper side of the piston ring unit 150, the inner side of the cylinder unit 160, and the outer side of the upper and lower cylinder units 130 and 140 is reduced in volume. Air existing in the air is discharged through the vent hole 163 into the container 103.

That is, the process as shown in FIG. 5, where this process is completed, corresponds to the release position.

The pump device 100 according to the present invention has a surface contact structure 123 and 131, 155 and 155 which is a structure that blocks the inflow of external air into the discharge chamber 102 or the suction chamber 104 even when the pressure release position is left for a long time. 147), it is possible to effectively prevent the shape flows to the outside through the nozzle outlet 119 and the like. In addition, there is an advantage that such a structure or function can be maintained simply and conveniently.

Accordingly, according to the present invention, it is possible to prevent the shape of the contents inside the discharge chamber temporarily stored for discharging to the outside of the container as well as the contents inside the container, to improve the reliability, hygienic, simple structure and convenient flow An anti-fall dispense pump device can be provided.

Here, although one embodiment of the present invention has been illustrated and described, it will be appreciated by those skilled in the art that the present invention may be modified without departing from the principles or spirit of the present invention. will be. The scope of the invention will be determined by the appended claims and their equivalents.

100 pump unit 102 discharge chamber
103 container 104 suction chamber
105: container cap 107: container sealing member
110 nozzle part 111 nozzle body
113: nozzle inner member 115: nozzle rib
117: nozzle locking jaw 118: nozzle locking member
119: nozzle outlet 109: suction hose
120: intermediate sealing portion 121: intermediate sealing flange
123: middle sealing surface 130: upper piston
131: epithelial stone sealing surface 133: epithelial stone outer locking member
134: epithelial stone outer engaging jaw 135: epithelial stone inner engaging member
137: epithelial stone inner jaw
140: lower piston portion 141: harpstone engaging member
143: oil passage hole 145: piston elastic receiving member
147: harpy stone contact surface
150: piston ring 151: outer ring
153: piston ring 155: piston ring contact surface
157: piston ring elastic support member
160: cylinder portion 161: intermediate sealing portion support groove
162: cylinder flange 163: vent hole
165: piston elastic support member 167: suction part
169: piston ring engaging jaw 170: check ball
180: piston elastic portion 181: inner ball support member
190: piston ring elastic portion

Claims (6)

It is coupled to the container 103 containing the contents containing the liquid is pressed by the user to the nozzle unit 110 and the pressure position where the contents are discharged to the outside and the pressure is released to the nozzle unit 110 so that the contents are not discharged to the outside In the dispensing pump apparatus 100 coupled to the container 103 so as to be movable between the depressurization positions,
A container cap (105) coupled to the opening of the container (103) and coupled to the container (103) with a container sealing member (107) therebetween to maintain the airtight inside the container (103);
A suction hose 109 coupled between the container cap 105 and the container 103 to suck the contents of the container 103 to the outside is coupled to the contents introduced through the suction hose 109. A cylinder portion 160 having a space for storing;
A piston ring unit 150 coupled to the inner side of the cylinder unit 160 and guided to the inner side of the cylinder unit 160 to be slidable according to pressurization and release of the nozzle unit 110;
It is connected to the inside of the nozzle inner member 113 which communicates with the nozzle discharge port 119 discharged to the outside from the nozzle unit 110 to form a passage therein to pressurize and depressurize the nozzle unit 110. An upper piston part 130 provided to be movable with the nozzle part;
A lower piston part 140 coupled to the upper piston part 130 to guide the contents introduced into the space of the cylinder part 160 to the upper piston part 130 and the nozzle outlet 119;
A piston elastic part 180 which elastically presses the nozzle part 110, the upper piston part 130, and the lower piston part 140 to the release position with respect to the cylinder part 160;
The sliding contact with the upper piston portion 130 to guide the movement of the upper piston portion 130 and to block the outside air flowing into the space formed by the cylinder portion 160 from the outside of the container 103 And an intermediate sealing part 120 coupled between the container cap 105 and the upper piston part 130.
The intermediate sealing part 120 and the upper piston part 130 may be in surface contact at the depressurized position, and the intermediate sealing part 120 may be further prevented from further separating the nozzle part 110 from the container 103. Including a middle sealing surface 123 and the upper piston sealing surface 131 of the upper piston portion 130 engaged with the intermediate sealing surface 123,
One side is supported by the piston ring part 150 and the other side is supported by the upper piston part 130 and elastically enables the piston ring part 150 to the lower piston part 140 with respect to the upper piston part 130. Dispensing pump device characterized in that it further comprises a support piston ring elastic portion (190). delete The method of claim 1,
In the pressure release position in the container 103 and the contents stored between the cylinder portion 160 and the lower piston portion 140 and in the space inside the upper piston portion 130 and the lower piston portion 140. The lower piston portion 140 engaged with the piston ring contact surface 155 and the piston ring contact surface 155 of the piston ring portion 150 to maintain surface airtightness to prevent mutual movement by distinguishing between the stored contents. Dispensing pump device, characterized in that it comprises a harpstone contact surface (147). delete The method of claim 1,
An inner side of the nozzle inner member 113 and an outer side of the upper piston part 130 are continuously coupled in the pressing direction to be in surface contact so as to maintain airtightness, and the nozzle part 110 and the upper piston part 130 are coupled to each other. The dispensing pump device, characterized in that the interlocking but interlocking manner. The method of claim 1,
The inner side of the upper piston part 130 and the outer side of the lower piston part 140 are coupled in continuous contact with each other in the pressing direction so as to maintain airtightness, and the upper piston part 130 and the lower piston part 140 are coupled to each other. Dispensing pump device, characterized in that the interlocking method and interlocking.

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