KR200450883Y1 - Pump dispenser - Google Patents

Abstract

A design for a pump dispenser is disclosed. Disclosed is a container portion for receiving contents therein; A first opening / closing part including a valve to be injection molded to open and close the container part; A housing configured to retain the contents ejected through the first opening and closing portion therein; A second opening and closing portion for opening and closing the housing; An operation unit which opens the second opening and closing portion when the pressing operation is performed, and opens the first opening and closing portion when returning to the original state; And a fastening part for coupling the container part with the housing and the operation part.

According to the present invention, since the valve provided in the first opening and closing part is injection-molded with a material such as polyethylene, is integrally formed, mounted, and formed to have both sides, the manufacturing cost is lower than that of the conventional valve structure. It is reduced, there is no need for an additional post-treatment process and the manufacturing process is easy.

Pumps, dispensers, valves

Description

Pump dispenser {PUMP DISPENSER}

The present invention relates to a pump dispenser, and more particularly, to a pump dispenser used to discharge a predetermined amount of liquid contents such as various detergents and cosmetics by a pumping action.

In general, a dispenser is a device for discharging a certain amount of gas, liquid, or other contents filled in an airtight container by pressurization, and is used in various airtight containers for storing cosmetics, perfumes, medicines, food, etc. It is well known that it is applied.

1 is a cross-sectional view showing a conventional dispenser.

According to a conventional dispenser, as shown in FIG. 1, it includes a container (not shown) and a dispenser cap 12 mounted on top of the container.

The dispenser cap 12 is largely composed of a pumping portion 14, a button portion 15, and a nozzle 16. The pumping part 14 has a housing 22 mounted on the cap 21, a spring 24 provided inside the housing 22, and an elastic support on the upper end of the spring 24 and on one side. A shaft 25 having a through hole 26, a housing cap 27 through which the shaft 25 slides slidably, and closing an upper end of the housing 22, a nozzle 16 of the button portion 15, It includes a connecting pipe 28 for connecting the shaft 25, and the ball 30 placed on the locking projection 29 of the lower end of the housing 22.

According to this configuration, when the button portion 15 is pressed, the shaft 25 is lowered against the elastic force of the spring 24 so that the contents filled in the housing 22 are filled with the through hole 26 and the hollow portion of the shaft 25. It is discharged to the nozzle 16 through the connecting pipe 28. At this time, the ball 30 is brought into contact with the locking step 29 of the lower end of the housing 22 by the lowering pressure of the fluid inside the housing 22. Next, when the button portion 15 is released, the shaft 25 is raised by the elastic force of the spring 24, the through-hole 26 is closed to block the discharge of the contents, and a vacuum is formed inside the housing 22. The contents of the container are filled with the housing 22 by opening the valve while raising the ball 30. By repeatedly pressing the button portion 15, the contents are discharged while the operation is repeated.

However, according to such a conventional dispenser, since the ball is formed of a metal material, the unit cost is high, and since an additional post-processing process is required when the valve structure including the ball is installed, the manufacturing process is difficult and the manufacturing cost is increased. Therefore, there is a need for improvement.

The present invention was devised to improve the problems of the prior art as described above, and can be easily manufactured at a low manufacturing cost, and to provide a pump dispenser having an improved structure to reduce pressure loss during pump operation. There is this.

Pump dispenser according to the present invention comprises: a container portion for receiving the contents therein; A first opening / closing part including a valve to be injection molded to open and close the container part; A housing configured to retain the contents ejected through the first opening and closing portion therein; A second opening and closing portion for opening and closing the housing; An operation unit which opens the second opening and closing portion when the pressing operation is performed, and opens the first opening and closing portion when returning to the original state; And a fastening part for coupling the container part with the housing and the operation part.

Here, the container portion, the cylinder for receiving the contents therein; And an outer case provided to surround the outside of the cylinder.

In addition, the outer case is preferably formed of a transparent material.

In addition, the fastening portion, the first coupling portion for coupling with the cylinder; A second coupling part coupled to the outer case and the operation part; And a third coupling part for fixing the housing.

The first coupling part may be screwed to the cylinder; It is preferable that the second coupling part is forcibly press-fitted with the outer case.

In addition, it is preferable that a cylinder piston is further provided inside the container portion to raise the first opening / closing portion to pressurize contents contained in the container portion.

In addition, the valve is preferably formed of polyethylene material.

In addition, the second opening and closing portion, the shaft is formed therein the flow path for communicating the outside and the inside of the housing; A stem provided at one side of the shaft to form an inlet hole communicating the inside of the housing and the flow path; And it is preferable to include a piston provided in the housing to selectively open and close the inlet hole.

In addition, it is preferable that an elastic portion is further provided between the operation portion and the fastening portion to provide an elastic restoring force for returning the pressed operation portion to the original state.

According to the pump dispenser of the present invention, unlike the conventional design, since the container portion is formed in a double structure of the cylinder and the outer case, the blocking effect of ultraviolet rays, etc. is superior to the container provided in the conventional dispenser, the contents contained therein There is an advantage that can effectively prevent the deterioration.

In addition, when the outer case is formed of a transparent material so that the outside of the cylinder is projected, instead of painting or printing directly on the outer case, the outer case is covered on the outside after painting and printing on the outside of the cylinder, or a packaging material is inserted between the cylinder and the outer case. It is possible to surface-treat the container part in various ways such as putting it. According to this surface treatment, the process is easier than the surface treatment directly on the outer case, and the surface-treated part may be damaged after the surface treatment. There is no concern, of course, and the effect of being able to more beautifully decorate the appearance of the container portion.

In addition, since the valve provided in the first opening and closing part is injection-molded with a material such as polyethylene, is integrally formed, mounted, and formed to have a double sidedness, the manufacturing cost is lowered and the manufacturing cost is reduced compared to the conventional valve structure. There is no need for treatment and the manufacturing process is easy.

In addition, since the first to third coupling parts are integrally formed with a fastening part, the cylinder, the outer case, the housing, and the operation part can be stably coupled with one component, thereby facilitating the entire manufacturing process of the pump dispenser device. And it provides an effect that can reduce the manufacturing cost.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of a pump dispenser according to the present invention. In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of description. In addition, terms to be described later are terms defined in consideration of functions in the present invention, which may vary depending on the intention or custom of a user or an operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

Figure 2 is a cross-sectional view showing a pump dispenser according to an embodiment of the present invention, Figure 3 is an enlarged view showing the valve shown in FIG.

First, referring to FIG. 2, the pump dispenser 100 according to an embodiment of the present invention includes a container part 110, a first opening and closing part 120, a housing 130, and a second opening and closing part 140. And an operation unit 150 and a fastening unit 160.

The container unit 110 accommodates the contents therein. Here, as the contents contained in the container 110, any of fluids such as cosmetics, perfumes, medicines or foods can be applied. The container part 110 may be formed in a cylindrical shape having an open top or a bottle shape having a narrow open top, and may have a double structure including a cylinder 112 and an outer case 114. .

Among these, the cylinder 112 is located inside the container portion 110 and accommodates contents therein. The upper end of this cylinder 112 is opened, and the 1st opening-closing part 120 mentioned later is arrange | positioned at the upper end which opened the cylinder 112. As shown in FIG. In addition, a protrusion 112a is formed at the opened upper end of the cylinder 112, and a housing 130 to be described later is disposed inside the protrusion 112a. In addition, the outer case 114 is disposed outside the cylinder 112 and is provided to surround the outside of the cylinder 112.

According to the container part 110 including the cylinder 112 and the outer case 114, as described above, formed in a double structure of the cylinder 112 and the outer case 114, it is provided in the conventional dispenser Since it is excellent in blocking effect such as ultraviolet rays compared to the container, there is an advantage that can effectively prevent the contents contained therein from being altered.

Meanwhile, the outer case 114 may be formed of a transparent material so that the outside of the cylinder 112 is projected. As such, when the outer case 114 is formed of a transparent material, the surface treatment of the container 110 may be more effectively performed. For example, instead of painting or printing the outer case 114 directly, the outer case 114 is covered outside the cylinder 112 after painting and printing, or between the cylinder 112 and the outer case 114. The surface treatment of the container unit 110 may be performed by inserting the packaging material.

According to such a surface treatment, the process is easier than performing the surface treatment directly on the outer case 114, and there is an advantage that the surface treated portion is not likely to be damaged after the surface treatment. On the other hand, the outer case 114 may also be formed of a transparent fluorescent material, in this case it is possible to more beautifully decorate the appearance of the container 110.

In addition, a cylinder piston 116 may be further provided inside the container unit 110, more specifically, inside the cylinder 112. The cylinder piston 116, when the first opening and closing portion 120 is opened and the contents are ejected from the inside of the cylinder 112, rises by the amount of the ejected contents to pressurize the contents contained in the cylinder 112. do.

The first opening / closing part 120 is provided to open and close the container part 110, and more specifically, is disposed at an open upper end of the cylinder 112. The first opening and closing part 120 includes a valve 122 having a shape as shown in FIG. 3, which is injection molded, and preferably, LLP (Linear Low Density Polyethylene). LLPE) and the like, and upper and lower surfaces may be formed in the same shape so as to have a double side property. The valve 122 is opened and closed by a vacuum pressure, a detailed description thereof will be described later.

According to the first opening and closing part 120 having the valve 122, as described above, since the valve 122 is injection molded from a material such as polyethylene, the manufacturing cost is low and the manufacturing cost is reduced compared to the conventional valve structure. And, since the valve 122 is integrally formed and mounted to form a double-sided, there is no need for an additional post-treatment process and there is an advantage that the manufacturing process is easy.

The housing 130 is disposed inside the container 110, more specifically, inside the protrusion 112a formed at the upper end of the cylinder 112. The housing 130 is a portion that temporarily retains the contents ejected from the inside of the container portion 110, and the contents ejected from the cylinder 112 through the first opening / closing portion 120 are ejected to the outside, The housing 130 temporarily stays inside.

Inside the housing 130, the second opening and closing part 140 is disposed. The second opening and closing portion 140 is provided to open and close the housing 130, and includes a shaft 142, a stem 144, and a piston 146.

First, the shaft 142 is provided inside the housing 130. The shaft 142 is inserted into the housing 130 and provided with a reciprocating movement, for example, a vertical movement, in accordance with the movement of the operation unit 150 to be described later. Inside the shaft 142 is formed a flow path 141 (see Fig. 5) for communicating the outside and the inside of the housing 130.

One side of the shaft 142, more specifically, the lower end of the shaft 142 is provided with a stem 144. An inlet hole 143 (see FIG. 5) is formed between the stem 144 and the shaft 142 to communicate the inside of the housing 130 and the flow path 141.

On the outside of the shaft 142, a piston 146 is provided. The piston 146 is provided inside the housing 130 to selectively open and close the inlet hole 143 and is disposed between the shaft 142 and the housing 130. The piston 146 is provided so that the outer surface which contacts the inner surface of the housing 130 maintains a predetermined friction force with the inner surface of the housing 130.

The predetermined frictional force here is a frictional force that is greater than the frictional force generated between the inner surface of the piston 146 and the outer surface of the shaft 142, but is caused by the locking step 145 or the stem 144 formed outside the shaft 142. By the locking force, it means a friction force to the extent that the piston 146 can be moved together with the movement of the shaft 142.

Accordingly, when the piston 146 moves by the predetermined friction force as described above, the piston 146 opens or closes the inlet hole 143 while partially restraining its movement against the movement direction of the shaft 142. Will be closed.

The operation unit 150 is disposed above the container unit 110. The operation unit 150 is provided to be pressed by the user, the upper surface is formed with a pressing surface 152 for the user to press the operation, therein from the flow path 141 formed inside the shaft 142 The blowout hole 154 is formed to extend and communicate with the outside.

When the operation part 150 is pressed by the user, the operation part 150 moves toward the container part 110, thereby moving the shaft 142, the stem 144, and the piston 146 toward the container part 110 so as to move the second opening and closing part. It serves to open the 140, the contents ejected from the housing 130 in accordance with the opening of the second opening and closing part 140 is ejected to the outside through the ejection hole 154. On the other hand, when the operation unit 150 is returned to its original state, the second opening and closing part 140 is closed again, and instead, the first opening and closing part 120 is opened. A detailed description thereof will be given later.

The fastening part 160 is disposed above the container part 110. The fastening part 160 is provided to couple the container part 110, the housing 130, and the operation part 150, and includes first to third coupling parts 162, 164, and 166.

The first coupling portion 162 is a portion that engages with the cylinder 112, and preferably, a thread is formed on the inner circumferential surface thereof so as to be coupled to the cylinder 112 by screwing the cylinder 112.

In addition, the second coupling portion 164 is a portion that is coupled to the outer case 114 and the operation unit 150, the upper operation unit 150 is slidably coupled, the lower end of the projection is formed with a protrusion It can be combined with the 114 in a forced indentation manner.

In addition, the third coupling part 166 is a part that is coupled to the housing 130, and wraps and fixes the inner and outer parts of the housing 130 around the upper part of the housing 130, and the first to third coupling parts 162, 164, and 166. ) Is preferably formed integrally with the injection molding method.

As described above, the fastening part 160 in which the first to third coupling parts 162, 164, and 166 are integrally formed, the cylinder 112, the outer case 114, the housing 130, and the operation part 150 as a single part stably Since it can be combined, the manufacturing process of the entire pump dispenser 100 device more easily, and provides the effect of reducing the manufacturing cost.

Meanwhile, the pump dispenser 100 according to the present invention may further include an elastic unit 170 between the operation unit 150 and the fastening unit 160 to return the pressed operation unit 150 to its original state. . The elastic unit 170 is provided to provide an elastic restoring force for returning the pressed operation unit 150 to its original state. Preferably, one end of the elastic unit 170 is supported inside the operation unit 150 and the other end of the fastening unit 160 is provided. It may be a coil spring supported on the second coupling part 164.

4 is a cross-sectional view showing a state in which the pump dispenser shown in Figure 2 is pressed operation, Figure 5 is an enlarged cross-sectional view of the main portion of the first and second opening and closing portion shown in Figure 4, Figure 6 is a pump in a return to the original position 7 is a cross-sectional view illustrating the dispenser, and FIG. 7 is an enlarged cross-sectional view of main parts of the first and second opening and closing portions shown in FIG. 5.

Hereinafter, an operation relationship of the pump dispenser 100 according to an embodiment of the present invention will be described with reference to FIGS. 4 to 7.

First, as shown in FIG. 4, when the user presses and presses the pressing surface 152 of the operation unit 150, the shaft 142 and the stem 144 together with the operation unit 150 may include the container unit 110, In other words, it moves downward. As the shaft 142 and the stem 144 move in this way, the piston 146 also moves together. The piston 146 suppresses some movement due to the frictional force with the inner surface of the housing 130. As shown in, open the inlet hole 143 that was closed. At this time, the valve 122 of the first opening / closing part 120 is closed by the pressure applied by the pressing operation part 150.

Accordingly, the contents ejected from the inside of the container part 110 and stayed in the housing 130 flow into the flow path 141 formed in the shaft 142 through the inlet hole 143. The content introduced into is ejected to the outside through the ejection hole 154.

On the other hand, when the user releases the pressing operation on the operation unit 150 by releasing the hand from the pressing surface 152, by the elastic restoring force by the elastic unit 170, as shown in Figure 6, the operation unit 150 And shaft 142 and stem 144 are returned to their original state, that is, before the pressing operation. As the shaft 142 and the stem 144 move in this way, the piston 146 also moves together, and the piston 146 suppresses some movement due to the frictional force with the inner surface of the housing 130, thereby reducing the movement of the shaft 142 and the stem 144. As shown in the figure, the inlet hole 143 that is open is closed.

In this case, the valve 122 of the first opening / closing part 120 is opened by the vacuum pressure generated as the contents are ejected from the inside of the housing 130 when the second opening / closing part 140 is opened, and thus the container part ( The contents contained in the cylinder 112 of the 110 is ejected into the housing 130 through the open first opening and closing part 120.

When the contents are ejected from the inside of the cylinder 112 as described above, a vacuum pressure is formed in the cylinder 112 by the amount of the contents ejected from the inside of the cylinder 112. The cylinder piston 116 is raised by the vacuum pressure to raise the cylinder. (112) to press the contents contained therein.

Although the present invention has been described with reference to the embodiments shown in the drawings, this is merely exemplary, and those skilled in the art to which the art belongs can make various modifications and other equivalent embodiments therefrom. Will understand. In addition, the pump dispenser has been described as an example, but this is merely exemplary, and the present invention may be applied to other devices. Therefore, the true technical protection scope of the present invention should be determined by the utility model registration claims below.

1 is a cross-sectional view showing a conventional dispenser.

2 is a cross-sectional view showing a pump dispenser according to an embodiment of the present invention.

3 is an enlarged view illustrating the valve illustrated in FIG. 2.

4 is a cross-sectional view illustrating a state in which the pump dispenser illustrated in FIG. 2 is pressed.

FIG. 5 is an enlarged cross-sectional view illustrating main parts of the first and second opening and closing parts illustrated in FIG. 4.

6 is a cross-sectional view showing the pump dispenser in a state of returning to the original position.

FIG. 7 is an enlarged cross-sectional view illustrating main parts of the first and second opening and closing parts illustrated in FIG. 5.

Explanation of symbols on the main parts of the drawings

100: pump dispenser 110: container portion

112: cylinder 114: outer case

116: cylinder piston 120: first opening and closing part

122: valve 130: housing

140: second opening and closing part 142: shaft

144: stem 146: piston

150: operation unit 160: fastening unit

162: first coupling portion 164: second coupling portion

170: elastic portion

Claims (9)

A container part accommodating the contents therein; A first opening / closing part which opens and closes the container part with a valve which is injection molded to exhibit double-sidedness; A housing configured to retain the contents ejected through the first opening and closing portion therein; A second opening and closing portion for opening and closing the housing; An operation unit which opens the second opening and closing portion when the pressing operation is performed, and opens the first opening and closing portion when returning to the original state; And It includes a fastening portion for coupling the container portion and the housing and the operation portion, The container portion, A cylinder accommodating the contents therein; And It includes an outer case provided to surround the outside of the cylinder, The fastening portion, A first coupling part coupled to the cylinder; A second coupling part coupled to the outer case and the operation part; And It includes a third coupling portion for fixing the housing, The first coupling part is screwed to the cylinder; The second coupling part, the pump dispenser, characterized in that forcing a press-fit coupling with the outer case. delete The method of claim 1, The outer case is a pump dispenser, characterized in that formed of a transparent material. delete delete The method of claim 1, The inside of the container portion, the pump dispenser, characterized in that further provided with a cylinder piston for pressing the contents contained in the container portion is raised when the first opening and closing part is opened. The method of claim 1, The valve is a pump dispenser, characterized in that formed of polyethylene material. The method of claim 1, wherein the second opening and closing portion, A shaft in which a flow passage communicating an outside and an inside of the housing is formed therein; A stem provided at one side of the shaft to form an inlet hole communicating the inside of the housing and the flow path; And And a piston provided inside the housing to selectively open and close the inlet hole. The method of claim 1, And an elastic portion provided between the operating portion and the fastening portion to provide an elastic restoring force for returning the pressed operation portion to the original state.

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