KR20230056473A - Pumping device for vessel - Google Patents

Abstract

The present invention relates to a pumping device for a vessel, which comprises: a pumping housing provided with a discharge passage through which contents contained in a vessel body are discharged, and a check valve provided in the discharge passage to prevent backflow of the contents flowing through the discharge passage; a pumping piston provided to be movable along the discharge passage of the pumping housing and having a flow path for flowing the contents contained in the discharge passage; a button cap having a connection passage connected to the flow path and a spray portion through which the contents flowing through the connection passage are sprayed to the outside, and coupled to the pumping piston to lower the pumping piston; and a cap return portion which is elastically supported between the button cap and the pumping housing and generates an elastic force to raise the button cap. The cap return portion includes: a pair of support members respectively disposed on the button cap and the pumping housing; an elastic member for elastically supporting the pair of support members; and a spacer which expands and contracts according to the expansion and contraction of the elastic member and generates an elastic force for enabling the pair of support members to maintain a predetermined gap. The present invention can prevent the contents stored in the vessel body from being deteriorated due to corrosion of a metal spring.

Description

Container pumping device {PUMPING DEVICE FOR VESSEL}

The present invention relates to a pumping device for a container.

In general, in the case of a container containing contents such as cosmetics in a liquid or gel state, a pumping device is provided so that the contents contained in the container can be easily removed and used.

The pumping device of such a container is provided with a pumping member coupled to the upper part of the container body in which the contents are stored and performing a pumping operation, and a discharge hole located on the upper part of the pumping member to enable a pumping operation by a pressing operation and discharging the contents. It includes a button cap and a spring made of metal that elastically supports the button cap.

In the pumping device of such a container, when the button cap is moved toward the container body by a pressing operation, the pumping member operates to discharge the contents stored in the container body to the outside through the discharge hole, and the button cap is returned to its original position by the elastic force of the spring. is returned

However, the conventional container pumping device has a problem in that contents stored in the container body deteriorate due to corrosion of a metal spring.

Domestic Patent No. 10-1902473 (2018.09.19)

The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to replace the spring made of metal and return the button cap to its original position using the cap return part made of the same material as the button cap. It is to provide a pumping device for a container that can prevent the contents stored in the container body from deteriorating due to corrosion of the spring of the container.

The problems to be solved by the present invention are not limited to the problems mentioned above, and other problems not mentioned will be clearly understood by those skilled in the art from the description below.

A pumping device for a container according to an embodiment of the present invention includes a pumping housing provided with a discharge passage through which contents accommodated in the container body are discharged, and a check valve provided in the discharge passage to prevent reverse flow of the contents flowing through the discharge passage; a pumping piston provided to be able to move up and down along the discharge passage of the pumping housing and having a flow path through which contents accommodated in the discharge passage flow; a button cap having a connection passage connected to the flow path and a spray part through which contents flowing through the passage are sprayed to the outside, and coupled to the pumping piston to lower the pumping piston; and a cap return portion that is elastically supported between the button cap and the pump housing and generates an elastic force to lift the button cap, wherein the cap return portion includes a pair of supports disposed on the button cap and the pump housing, respectively. absence; an elastic member for elastically supporting the pair of support members; and a spacer that is stretched and contracted according to the expansion and contraction of the elastic member and generates an elastic force so that the pair of support members maintain a predetermined distance.

In addition, the cap return part may include a synthetic resin material.

In addition, the spacer may have a smaller modulus of elasticity than the elastic member.

In addition, the elastic member may have a spiral shape.

In addition, the elastic member is made of a pair, the pair of the elastic member has an arc shape protruding curved, may be disposed symmetrically to each other on the pair of support members.

In addition, the elastic member may have an annular shape.

In addition, the elastic member, a pair of cylinder coupled to any one of the support member; and a rod telescopically provided to the cylinder, coupled to the other one of the pair of support members, and extending or contracting in length.

In addition, a container cap covering the opening of the container body in which the contents are shrunk; a slip portion provided on a region of an inner circumferential surface of the container cap and including a slip material; a non-slip portion provided on the remaining area of the inner circumferential surface of the container cap and including a non-slip material; and a contact member provided on an outer circumferential surface of the button cap and contacting an inner circumferential surface of the container cap, and when the contact member contacts the non-slip portion according to rotation of the button cap, lifting of the button cap is restricted or the When the contact member comes into contact with the slip portion, elevation of the button cap may be permitted.

Other specific details of the invention are included in the detailed description and drawings.

Accordingly, the pumping device for the container according to an embodiment of the present invention replaces the spring made of metal and returns the button cap to its original position using the cap return part made of the same material as the button cap, so that the spring made of metal There is an effect that can prevent the contents stored in the container body from deterioration due to corrosion.

The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the description below.

1 is a perspective view showing a pumping device for a container according to an embodiment of the present invention.
Figure 2 is a perspective view showing a state in which the button cap of the pumping device of the container is separated according to an embodiment of the present invention.
Figures 3a to 3b is a cross-sectional view showing the operation of the pumping device for the container according to an embodiment of the present invention.
4 is a perspective view showing an extended state of a cap return unit according to an embodiment of the present invention.
5 is a perspective view showing a reduced state of a cap return unit according to an embodiment of the present invention.
6 to 10 are perspective views illustrating various examples of a cap return unit according to an embodiment of the present invention.
11 and 12 are perspective views showing an operation process of a pumping device for a container according to another embodiment of the present invention.

Advantages and features of the present invention, and methods of achieving them, will become clear with reference to the detailed description of the following embodiments taken in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms, only these embodiments are intended to complete the disclosure of the present invention, and are common in the art to which the present invention belongs. It is provided to fully inform the person skilled in the art of the scope of the invention, and the invention is only defined by the scope of the claims.

Terminology used herein is for describing the embodiments and is not intended to limit the present invention. In this specification, singular forms also include plural forms unless specifically stated otherwise in a phrase. As used herein, "comprises" and/or "comprising" does not exclude the presence or addition of one or more other elements other than the recited elements. Like reference numerals throughout the specification refer to like elements, and “and/or” includes each and every combination of one or more of the recited elements.

Unless otherwise defined, all terms (including technical and scientific terms) used in this specification may be used with meanings commonly understood by those skilled in the art to which the present invention belongs. In addition, terms defined in commonly used dictionaries are not interpreted ideally or excessively unless explicitly specifically defined.

The spatially relative terms "below", "beneath", "lower", "above", "upper", etc. It can be used to easily describe a component's correlation with other components. Spatially relative terms should be understood as including different orientations of elements in use or operation in addition to the orientations shown in the drawings. For example, if you flip a component that is shown in a drawing, a component described as "below" or "beneath" another component will be placed "above" the other component. can Thus, the exemplary term “below” may include directions of both below and above. Components may also be oriented in other orientations, and thus spatially relative terms may be interpreted according to orientation.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Prior to the description of the present invention, in various embodiments, components having the same configuration are typically described in the first embodiment using the same reference numerals, and in other embodiments, components different from the first embodiment are described. Let's explain.

1 is a perspective view showing a pumping device for a container according to an embodiment of the present invention, Figure 2 is a perspective view showing a state in which the button cap of the pumping device for a container according to an embodiment of the present invention is separated, and FIGS. Figure 3b is a cross-sectional view showing the operating process of the pumping device for the container according to an embodiment of the present invention, Figure 4 is a perspective view showing an extended state of the cap return unit according to an embodiment of the present invention, Figure 5 is a view of the present invention It is a perspective view showing a reduced state of the cap return unit according to an embodiment.

1 to 3, the pumping device for a container according to an embodiment of the present invention includes a container cap 10, a pumping housing 20, a check valve 30, a pumping piston 50, and a button cap. (60) and a cap return portion (70).

The container cap 10 serves to cover the opening of the container body (not shown) in which the contents are accommodated. Contents accommodated in the container body may be discharged through the container cap 10 .

The pumping housing 20 may be provided at the bottom of the container cap 10, and the button cap 60 may be provided at the top of the container cap 10.

The pumping housing 20 is provided with a discharge passage 22 through which the contents accommodated in the container body are discharged, and a check valve 30 provided in the discharge passage 22 to prevent the contents flowing through the discharge passage 22 from flowing backward. can Here, the discharge passage 22 of the pumping housing 20 may be formed along the central axis of the pumping housing 22 .

A communication pipe 40 may be provided at a lower portion of the pumping housing 20 . The communication tube 40 may communicate the discharge passage 22 of the pumping housing 20 and the inside of the container body.

The check valve 30 serves to allow the flow of the contents accommodated in the container body from the container body to the discharge passage 22, but restricts the flow from the discharge passage 22 to the container body.

The pumping piston 50 serves to suck the contents of the container body into the discharge passage 22 and discharge the contents sucked into the discharge passage 22 to the injection part 64 of the button cap 60.

Specifically, the pumping piston 50 is provided to be able to move up and down along the discharge passage 22 of the pumping housing 20, and has a flow passage 52 through which contents accommodated in the discharge passage 22 flow. Here, the flow passage 52 may be formed along the central axis of the pumping piston 50 .

When the pumping piston 50 descends, the internal volume of the discharge passage 22 is reduced, and as positive pressure is formed in the discharge passage 22, the contents accommodated in the discharge passage 22 are distributed through the flow passage 52. It can be discharged to the sabu (64).

After that, when the pumping piston 50 rises, the internal volume of the discharge passage 22 expands, and as the eup pressure is formed in the discharge passage 22, the contents accommodated in the container body are sucked into the discharge passage 22 can

Pumping piston 50 may be coupled to the button cap 60, in this case, the pumping piston 50 may be moved up and down according to the lifting of the button cap (60).

The button cap 60 serves to lower the pumping piston 50. At this time, the button cap 60 may be lowered by a user's manipulation. Specifically, the button cap 60 has a connection passage 62 connected to the flow path and a spraying part 64 through which the contents flowing through the connection passage 62 are sprayed to the outside, and is coupled to the pumping piston 50 , the pumping piston 50 can be lowered. For example, the button cap 60 may be mounted on top of the pumping piston 50. Meanwhile, although not shown in the drawings, the button cap 60 may be covered by a nozzle cover (not shown), and the nozzle cover may cover the injection unit 64 of the button cap 60 .

The cap return portion 70 is elastically supported between the button cap 60 and the pumping housing 20, includes the same material as the button cap 60, and generates an elastic force so that the lowered button cap 60 rises. there is. In other words, the cap return unit 70 serves to lift the lowered button cap 60 to return it to its original position. As such, the present invention raises the button cap 60 using the elastic force of the cap return portion 70 made of the same material as the button cap 60, and the contents stored in the container body due to corrosion of the spring made of metal. This can prevent it from deteriorating.

For example, the cap return unit 70 may include a synthetic resin material. For example, the synthetic resin is not particularly limited, but may be plastic.

As shown in FIGS. 1 to 5 , the cap return unit 70 may include a pair of support members 72 , an elastic member 74 and a spacer 76 .

A pair of support members 72 may be respectively disposed on the button cap 60 and the pumping housing 20 . The pair of support members 72 may increase or decrease in their respective intervals according to the elevation of the button cap 60 by a user's manipulation. For example, the support member 72 may have a ring shape.

The elastic member 74 may elastically support the pair of support members 72 . This elastic member 74 can be stretched according to the lifting of the button cap (60).

The spacer 76 expands and contracts according to the expansion and contraction of the elastic member 74, and may generate an elastic force so that the pair of support members 72 maintain a space therebetween. The spacer 76 may expand and contract as the button cap 60 moves up and down.

In one embodiment, the spacer 76 may have a smaller modulus of elasticity than the elastic member 74 . In other words, the spacer 76 may have a relatively greater strain than the elastic member 74 . Therefore, when the elastic member 74 and the spacer 76 are contracted and then restored by the lowering of the button cap 60, the spacer 76 is restored relatively faster than the elastic member 74, and the elastic member 74 can provide an auxiliary force for rapid restoration of As a result, the elastic member 74 can be quickly restored.

For example, the elastic member 74 may be formed along a spiral. At this time, the elastic members 74 are made of a pair, and the pair of elastic members 74 may be arranged offset from each other.

Hereinafter, the operation of the container pumping device according to an embodiment of the present invention will be described.

First, the pumping housing 20 is mounted on the opening of the container body.

Next, the button cap 60 is lowered. At this time, as the button cap 60 descends, the pumping piston 50 also descends together. As a result, the internal volume of the discharge passage 22 of the pumping housing 20 is reduced, and as a positive pressure is formed in the discharge passage 22, the air or contents accommodated in the discharge passage 22 of the pumping piston 50 It is discharged to the injection part 64 of the button cap 60 through the flow path 52 . At this time, the distance between the pair of support members 72 of the cap return part 70 is reduced, and the elastic member 74 and the spacer 76 of the cap return part 70 are contracted.

Then, the button cap 60 is raised by the elastic force generated from the cap return unit 70 . As a result, as the button cap 60 rises, the pumping piston 50 also rises together. As a result, the internal volume of the discharge passage 22 expands, and a positive pressure is formed in the discharge passage 22, so that the contents accommodated in the container body can be sucked into the discharge passage 22 through the check valve 30 . At this time, the distance between the pair of support members 72 of the cap return part 70 increases, and the elastic member 74 and the spacer 76 of the cap return part 70 are restored.

Here, when the elastic member 74 and the spacer 76 are restored, the spacer 76 is restored relatively faster than the elastic member 74 and can provide an auxiliary force for the rapid restoration of the elastic member 74. . As a result, the elastic member 74 can be quickly restored.

6 to 10 are perspective views illustrating various examples of a cap return unit according to an embodiment of the present invention.

As shown in FIG. 6, for example, the elastic member 74' is made of a pair, and the pair of elastic members 74' have an arc shape protruding curvedly, and the pair of support members 72 ) can be arranged symmetrically with each other. At this time, the pair of elastic members 74' may be disposed in a form in which respective curved surfaces come into contact with each other.

As shown in FIG. 7, for example, the elastic member 74`` may have an annular shape. At this time, a plurality of elastic members 74`` are formed, and the plurality of elastic members 74`` may be arranged in a circumferential direction.

As shown in FIG. 8, for example, the elastic member 74```` may have a spiral shape. In other words, in this example, the elastic member 74```` may have a shape in which the upper part and the lower part are twisted in opposite directions.

9 to 10, for example, the elastic member 74```` may include a cylinder 74a and a rod 74b.

Cylinder (74a) may be coupled to any one of the pair of support members (72). Here, a rod 74b may be telescopically provided in the cylinder 74a. Referring to FIG. 9 , the cylinder 74a may be coupled to a support member 72 located on the upper side. Referring to FIG. 10 , the cylinder 74a may be coupled to a support member 72 located on the upper side.

The rod 74b is telescopically provided in the cylinder 74a and coupled to the other one of the pair of support members 72, so that the length thereof can be extended and contracted.

11 and 12 are perspective views illustrating an operation process of a pumping device for a container according to another embodiment of the present invention.

11 and 12, the container pumping device according to another embodiment of the present invention, unlike one embodiment, further includes a slip part 80, a non-slip part 90 and a contact member 100. can do.

The slip part 80 is provided on one area of the inner circumferential surface of the container cap 10 and may include a slip material. The slip part 80 may perform a slip action of slipping the contact member 100 to be described later.

The non-slip portion 90 is provided on the remaining area of the inner circumferential surface of the container cap 10 and may include a non-slip material. The non-slip portion 90 may perform a non-slip action of non-slip the contact member 100 to be described later.

The contact member 100 is provided on the outer circumferential surface of the button cap 60 and can contact the inner circumferential surface of the container cap 10 . Here, when the contact member 100 contacts the non-slip portion 90 according to the rotation of the button cap 60, the elevation of the button cap 60 may be restricted. In addition, when the contact member 100 contacts the slip part 80 according to the rotation of the button cap 60, the button cap 60 can be moved up and down.

Therefore, when using the pumping device of the container, the contact member 100 contacts the slip part 80 and allows the button cap 60 to move up and down, thereby pumping the pumping piston 50 according to the up and down of the button cap 60. It can be used by discharging the contents of the container body by the action. (See Fig. 11)

When carrying or moving the pumping device of the container, the contact member 100 is in contact with the non-slip portion 90 and the lifting of the button cap 60 is restricted, so that the pumping piston 50 is pumped according to the lifting of the button cap 60. Due to the action, the contents of the container body can be prevented from leaking out undesirably. (See Fig. 12)

Although the embodiments of the present invention have been described with reference to the accompanying drawings, those skilled in the art to which the present invention pertains can be implemented in other specific forms without changing the technical spirit or essential features of the present invention. you will be able to understand Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive.

10: container cap
20: pumping housing
22: discharge passage
30: check valve
40: communicating pipe
50: pumping piston
52 Fluid furnace
60: button cap
62: connecting passage
64: injection part
70: cap return part
72: support member
74, 74`, 74``, 74```, 74````: elastic member
74a: cylinder
74b: load
76: spacer
80: slip part
90: non-slip part
100: contact member

Claims (8)

a pumping housing provided with a discharge passage through which contents accommodated in the container body are discharged, and a check valve provided in the discharge passage to prevent reverse flow of the contents flowing through the discharge passage;
a pumping piston provided to move up and down along the discharge passage of the pumping housing and having a flow path through which contents accommodated in the discharge passage flow;
a button cap having a connection passage connected to the flow path and a spray part through which contents flowing through the passage are sprayed to the outside, and coupled to the pumping piston to lower the pumping piston; and
A cap return portion that is elastically supported between the button cap and the pumping housing and generates an elastic force so that the button cap rises;
The cap return part,
a pair of support members respectively disposed on the button cap and the pumping housing;
an elastic member for elastically supporting the pair of support members; and
And a spacer that expands and contracts according to the expansion and contraction of the expansion and contraction member, and generates an elastic force so that the pair of support members maintain a predetermined distance.
According to claim 1,
The cap return part, including a synthetic resin material, the pumping device of the container
According to claim 1,
The spacer has a smaller modulus of elasticity than the elastic member, the pumping device of the container.
According to claim 1,
The elastic member has a spiral shape, the pumping device of the container.
According to claim 1,
The elastic member is made of a pair,
The pair of elastic members have an arc shape protruding curvedly, and the pumping device of the container is disposed symmetrically to each other on the pair of support members.
According to claim 1,
The elastic member has an annular shape, the pumping device of the container.
According to claim 1,
The elastic member,
a cylinder coupled to any one of the pair of support members; and
A pumping device for a container comprising a rod telescopically provided to the cylinder, coupled to the other one of the pair of support members, and extending and contracting in length.
According to claim 1,
A container cap covering the opening of the container body where the contents are shrunk
a slip portion provided on a region of an inner circumferential surface of the container cap and including a slip material;
a non-slip portion provided on the remaining area of the inner circumferential surface of the container cap and including a non-slip material; and
Further comprising a contact member provided on an outer circumferential surface of the button cap and contacting an inner circumferential surface of the container cap,
When the contact member contacts the non-slip portion according to rotation of the button cap, lifting of the button cap is restricted or when the contact member contacts the slip portion, lifting of the button cap is allowed.

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