KR20210109296A - pump apparatus and a pumping vessel - Google Patents

Abstract

The present invention relates to a pump device and a pumping vessel. The pump device comprises: a housing with an open upper end and sucking contents through a hole at a lower end thereof; a cylinder provided in the housing to have a gap therebetween and an inlet provided at a lower end thereof; a piston ascending and descending within the cylinder; a discharge cap provided on an upper side of the housing and having an outlet communicating with the inside of the housing; a nozzle unit discharging the contents discharged through the outlet to the outside; and a valve body provided between the housing and the cylinder and controlling the inflow of the contents into the cylinder or discharge of the contents from the cylinder according to a change in the internal pressure of the cylinder when the piston ascends and descends. The valve body has a first wing unit for opening and closing a flow from the hole of the housing to the cylinder and a second wing unit for opening and closing a flow from the cylinder to the gap. Accordingly, convenience can be greatly improved.

Description

pump apparatus and a pumping vessel

The present invention relates to a pump device and a pumping container, and to a pump device and a pumping container having improved convenience by maintaining a constant discharge height during a discharging process of contents.

In general, the contents of a liquid substance such as cosmetics or shampoo may be sold in a state accommodated in a container having a pump for discharging the substance. At this time, the pump has a discharge head, and when the discharge head is pressed, the material in the container is discharged to the outlet.

The pump includes a cylinder, a piston, and an elastic member. When the piston is lowered by the pressure of the discharge head, the internal pressure of the cylinder rises and the contents contained in the cylinder are discharged to the outlet, and then the pressure on the discharge head is When released, the piston is raised by the elastic member and the pressure in the cylinder is lowered, so that the material in the container is introduced into the cylinder.

The discharge head provided in such a pump is provided such that a nozzle forming an outlet at an end thereof extends to one side, and the nozzle may have a flow path connected to the cylinder and communicating with the outlet.

However, since the conventional discharge head has a form in which the nozzles are integrally provided, when the discharge head is pressed down by the user, the nozzle is also lowered. Accordingly, the outlet located at the end of the nozzle also descends together with the ejection head. Since the ejection of material occurs while the ejection head is pressed, the height of the outlet is lowered while ejecting the material.

Therefore, when the user wants to use the substance by receiving it in his hand, it may be inconvenient because he has to gradually lower his hand in conjunction with the descent of the outlet or place his hand in consideration of the height when the outlet is descended to the maximum. There is a problem that the material is wasted because the possibility of getting out of the hand as it is discharged is high.

The present invention was created to improve the prior art, and an object of the present invention is to provide a pump device and a pumping container that can ensure user convenience by preventing the height of the outlet from falling even in the process of pressing the head.

It is also an object of the present invention to provide a pump device and a pumping container that can maximize user satisfaction by enabling a direction change with respect to a nozzle from which the contents are discharged.

It is also an object of the present invention to provide a pump device and a pumping container that can efficiently improve the structure by opening and closing the direction in which the contents are introduced into the inlet of the cylinder and the direction in which the contents are discharged from the inlet of the cylinder with one valve body, respectively. it is for

A pump device according to an embodiment of the present invention includes: a housing having an open top and sucking the contents through a hole at the bottom; a cylinder provided in the housing to have a gap therebetween and having an inlet at a lower end thereof; a piston ascending and descending within the cylinder; a discharge cap provided on the upper side of the housing and having a discharge port communicating with the inside of the housing; a nozzle unit for discharging the contents discharged through the discharge port to the outside; and a valve body provided between the housing and the cylinder for controlling the inflow of contents into the cylinder or discharge of the contents from the cylinder according to a change in internal pressure of the cylinder when the piston is raised and lowered, wherein the valve body includes the housing It is characterized in that it has a first wing portion for opening and closing the flow from the hole to the cylinder, and a second wing portion for opening and closing the flow from the cylinder to the gap.

Specifically, a pressing member coupled to the piston to lower the piston; and an elastic member for raising the piston.

Specifically, the housing has an inner rib protruding on the inner lower side to face the outer wall of the cylinder, the cylinder has an outer protrusion protruding on the outer upper side to face the inner wall of the housing, the inner rib and the A gap may be formed between the housing and the cylinder by the outer protrusion.

Specifically, the gap between the housing and the cylinder forms a cylindrical shape, and the inner rib and the outer protrusion are provided in plurality in a radial direction, so that the contents flow between the plurality of inner ribs and between the plurality of outer protrusions. can be provided.

Specifically, the housing, the inlet pipe extends upward around the hole at the bottom, the cylinder, the central pipe extends downwardly at the center of the lower end, the peripheral pipe extends downward around the central pipe, the central pipe The inlet may be provided between and the peripheral tube.

Specifically, the first wing portion of the valve body is provided in a hollow shape with an inner side facing the center tube and an outer side covering the inlet tube, so that the inner side is in close contact with or spaced apart from the center tube according to the internal pressure of the cylinder It can be deformed to open and close the flow of contents into the cylinder.

Specifically, the second wing portion of the valve body is provided in the form of a ring in contact with the circumferential pipe, and the circumference is deformed so as to be in close contact with or spaced apart from the circumferential pipe according to the internal pressure of the cylinder to prevent the flow from the cylinder to the gap. can be opened and closed.

A pumping container according to an aspect of the present invention, the pump device; and a container body for storing contents, wherein the pump device includes: a pressing member coupled to the piston to lower the piston; and an elastic member for raising the piston, wherein the discharge cap is coupled to the container body, and the housing is characterized in that the inlet pipe extends downward around the hole at the bottom.

Specifically, the discharge cap may include a body coupling part coupled to the container body; an accommodating part extending upward from the main body coupling part and spaced apart from the upper end of the housing to have a gap and having the discharge port on the periphery, and accommodating the pressing member or the elastic member inside; and a fastening part extending downwardly from the inside of the receiving part to be fastened to the cylinder.

Specifically, it may further include a nozzle cap that covers the receiving part so as to have a gap therebetween, is rotatably coupled to the discharge cap, and has the nozzle part.

Specifically, the gap between the accommodating part and the nozzle cap is in the form of a cylinder, the gap between the upper end of the housing and the accommodating part is in the form of a disk, and a plurality of the outlets are radially provided, the housing The gap between the upper end and the receiving part and the gap between the receiving part and the nozzle cap may be communicated.

Pumping container according to another aspect of the present invention, the container body for storing the contents; a housing having an open top and an inner intake hole for sucking the contents through a hole at the bottom; a cylinder provided in the housing to have a gap for discharging the contents between the housing and an inlet provided at a lower end; a piston ascending and descending within the cylinder; a discharge cap coupled to the container body, provided on an upper side of the housing, having a discharge port communicating with the inside of the housing, and having an outer intake hole at a position corresponding to the outer intake hole; a nozzle cap for discharging the contents discharged through the discharge port to the outside; and a valve body for opening and closing an air flow from the inner intake hole to the container body according to a change in internal pressure of the container body, wherein the valve body is in close contact with the inner intake hole to block the air flow to the container body or , It is characterized in that it has a wing portion that is deformed to be spaced apart from the inner intake hole by a drop in internal pressure of the container body when the contents are discharged and allows air flow to the container body,

Specifically, a pressing member coupled to the piston to lower the piston; and an elastic member for raising the piston.

Specifically, the discharge cap may include: a body coupling part coupled to the container body and provided with the outer intake hole; an accommodating part extending upward from the main body coupling part and spaced apart from the upper end of the housing to have a gap and having the discharge port on the periphery, and accommodating the pressing member or the elastic member inside; and a fastening part extending downwardly from the inside of the receiving part to be fastened to the cylinder.

Specifically, the nozzle cap covers the accommodating part to have a gap between the accommodating part and rotatably coupled to the main body coupling part or the accommodating part, but communicates the outer intake hole with the outside, and the contents on one side It may have a nozzle for discharging to the outside.

The pump device and the pumping container according to the present invention, while preventing the nozzle having the outlet from descending even when the head is pressed, can change the direction of the nozzle 360 degrees at the same time, greatly improving convenience.

In addition, the pump device and the pumping container according to the present invention can effectively improve the structure by implementing the inflow of the contents into the cylinder and the discharge of the contents from the cylinder using a single valve body.

1 and 2 are perspective views of a pump device according to an embodiment of the present invention.
3 is an exploded perspective view of a pump device according to an embodiment of the present invention.
4 is a perspective view of a discharge cap of a pump device according to an embodiment of the present invention.
5 is a perspective view of a housing of a pump device according to an embodiment of the present invention.
6 is a perspective view of a cylinder of a pump device according to an embodiment of the present invention.
7 and 8 are views illustrating a method of operating a pump apparatus according to an embodiment of the present invention.

The objects, specific advantages and novel features of the present invention will become more apparent from the following detailed description and preferred embodiments taken in conjunction with the accompanying drawings. In the present specification, in adding reference numbers to the components of each drawing, it should be noted that only the same components are given the same number as possible even though they are indicated on different drawings. In addition, in describing the present invention, if it is determined that a detailed description of a related known technology may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

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

1 and 2 are perspective views of a pump device according to an embodiment of the present invention, Figure 3 is an exploded perspective view of a pump device according to an embodiment of the present invention, Figure 4 is a pump according to an embodiment of the present invention It is a perspective view of the discharge cap of the device.

5 is a perspective view of a housing of a pump device according to an embodiment of the present invention, FIG. 6 is a perspective view of a cylinder of a pump device according to an embodiment of the present invention, and FIGS. 7 and 8 are an embodiment of the present invention It is a view showing a method of operating a pump device according to an example.

For reference, FIGS. 1 and 7 show the state before pumping, and FIGS. 2 and 8 show the state at the time of pumping, and FIGS. 7 and 8 are cross-sections at different angles from the left part and the right part based on the center line in the left and right directions. may indicate

The present invention may comprise a pumping vessel comprising a pumping device 1 , which will be described below with reference to the drawings.

The pumping container may have the pump device 1 coupled to the container body (not shown) for storing the contents. The container body accommodates the contents. It is sufficient if the container body forms an accommodation space for accommodating the contents, and the shape or material of the container body is not particularly limited.

However, the container body may have a material and/or shape that prevents the contents contained therein from being contaminated or deformed, and the contents may be cosmetics, shampoo, toothpaste, detergent, food, etc., but is not particularly limited.

One side of the container body may be provided in an open form, and the open one side may be provided with a pump device 1 to be described later. That is, the container body, the receiving space can be sealed while the pump device 1 is coupled to one side.

At this time, one side open from the container body may form a spout having a thread, and the pump device 1 may close the open side of the container body while being coupled to the spout by a screw coupling method.

Of course, the coupling of the container body and the pump device 1 is not limited to the screw coupling method. In addition, the pump device 1 to the container body may be provided detachably, but it is of course also possible to be provided fixedly in one piece.

Hereinafter, the pump device 1 will be described in detail with reference to the drawings. Also, hereinafter, for convenience, inner/outer is an expression referring to a portion exposed to the outside, and upper/lower is based on the drawings. However, it should be noted that the scope of rights is not unnecessarily limited by these expressions.

1 to 8 , the pump device 1 according to an embodiment of the present invention includes a discharge cap 10 , a housing 20 , a cylinder 30 , a piston 40 , and a pressing member 50 . , a nozzle cap 60 , a first valve body 70 , and a second valve body 80 .

The discharge cap 10 has a discharge port 122 . The discharge cap 10 is provided on the upper side of the housing 20 to be described later, and the discharge port 122 communicates with the inside of the housing 20 . The discharge cap 10 may be configured to be screw-coupled to the spout of the container body, and for this purpose, the discharge cap 10 has a body coupling portion 11 .

The body coupling portion 11 is formed in a shape corresponding to the spout, and may be provided in a cylindrical shape together with the spout. The inner surface of the main body coupling portion 11 is provided with a screw thread can be screwed to the spout of the container body or separated.

The body coupling portion 11 may have a double wall structure. It is also possible to form an inner portion provided with a screw thread and an outer portion covering the inner portion, wherein the inner portion and the outer portion are spaced apart from each other.

When configured in this way, the body coupling portion 11 may be provided in a form that largely covers the spout to improve the aesthetics. In addition, a structure in which the outer part of the main body coupling part 11 is in contact with or engaged with the outer surface of the container body is also possible in which the fastening of the main body coupling part 11 is locked.

The discharge cap 10 is provided on the upper side of the main body coupling portion 11 so that the receiving portion 12 extends upward. The accommodating part 12 has a discharge port 122 on the periphery, and can accommodate the pressing member 50 or the elastic member 52 inside.

That is, the accommodating part 12 is a pressing member 50 so that the pressing member 50 can stably descend while compressing the elastic member 52 by an external force or rise stably by the elastic force of the elastic member 52 . It is possible to appropriately constrain the horizontal movement of the pressing member 50 around the circumference.

In addition, the accommodating part 12 accommodates the elastic member 52 inside, so that the elastic member 52 is not exposed to the outside, thereby protecting the elastic member 52 from the input of external foreign substances, etc., and improving the aesthetics. can

The accommodating part 12 may have a structure in which the inner wall of the lower portion is coupled to the outer wall of the upper portion of the housing 20 . Through this, the housing 20 may be aligned with the spout and the center of the container body.

That is, in the discharge cap 10, the main body coupling part 11 is coupled to the spout of the container body, and the receiving part 12 is coupled to the upper part of the housing 20, and the positions of the container body and the housing 20 are aligned. can do. In addition, as will be described below, the position alignment of the cylinder 30 is also implemented at the same time.

A plurality of discharge ports 122 are radially provided around the accommodating portion 12 , and specifically, the discharge ports 122 are not covered by the housing 20 on the inner wall of the housing 20 . It is provided in the form of penetrating in the inner and outer directions above the portion coupled to the upper portion.

Although it will be described in detail below, the contents pass through between the cylinder 30 and the housing 20 and exit to the discharge port 122 . However, the receiving part 12 may be spaced apart so that the upper end of the housing 20 and the gap 121 are provided so that the contents flowing through the cylinder 30 and the housing 20 can be delivered to the outlet 122 . .

Accordingly, the contents flow to the outside of the accommodation portion 12 through the gap 121 between the cylinder 30 and the housing 20 , the gap 121 between the accommodation portion 12 and the housing 20 , and the discharge port 122 .

The discharge cap 10 may include a fastening portion 13 extending downwardly from the central portion of the receiving portion 12 . The fastening part 13 may extend downwardly from the inside of the receiving part 12 to be fastened to the cylinder 30 . That is, in the discharge cap 10, the receiving part 12 extends upwardly, and the body coupling part 11 and the fastening part 13 extend downward when viewed from the point where the discharge port 122 is formed. have a form

The fastening part 13 may be firmly fastened to the cylinder 30 by engaging the upper end of the inner wall of the cylinder 30 using a concave-convex structure. The cylinder 30 has an open top form similarly to the housing 20 , but since the piston 40 is provided in the cylinder 30 , leakage of the contents does not occur in the upper side of the cylinder 30 .

Therefore, the coupling between the fastening part 13 and the cylinder 30 may be made at a level not to be unnecessarily separated, not to the extent of completely preventing leakage of the contents.

The lower side of the cylinder 30 is only abutted by the first valve body 70 , and is not directly coupled to the housing 20 . At this time, the fastening part 13 is coupled to the cylinder 30, and the center of the spout of the container body (fastened with the body coupling part 11), the housing 20 (fastened with the receiving part 12), and the cylinder 30 is can be sorted. Accordingly, the cylinder 30 is also capable of not engaging the upper side of the cylinder 30 with the housing 20 while leaving a gap 341 with the housing 20 for discharging the contents.

However, referring to the drawings, the cylinder 30 may be fastened to the housing 20 while the outer protrusion 34 engages the step portion 24 of the housing 20 on the upper side of the cylinder 30 . Therefore, the fastening part 13 is fastened to the cylinder 30 for structural stability, but may be omitted.

The discharge cap 10 will be described again from the viewpoint of discharging the contents. The contents flow through the gap 341 between the inner wall of the housing 20 and the outer wall of the cylinder 30 while being pushed and discharged by the piston 40 from the inside of the cylinder 30, and the receiving part 12 and It spreads out into the gap 121 between the housings 20 .

Thereafter, it exits from the inside of the discharge cap 10 to the outside through a plurality of discharge ports 122 provided radially around the accommodating part 12 . However, the receiving portion 12 may include an outer rib 123 between the radial outlets 122 to secure structural durability between the receiving portion 12 and the body coupling portion 11 .

The outer rib 123 can be clearly identified in FIG. 3 . The size of the outlet 122 may be provided to correspond to the distance between the outer ribs 123 , but it is also possible that the size of the outlet 122 is smaller than the distance between the outer ribs 123 .

The outer rib 123 may face the inner wall of the nozzle cap 60, which will be described later. Assuming that the inner wall of the nozzle cap 60 is in contact with the outer rib 123, the contents are discharged through the outlet 122. It is discharged through and flows upward through between the outer ribs 123 .

However, the contents introduced between the outer ribs 123 through different outlets 122 are isolated from each other and are not mixed with each other. However, the outer rib 123 is made lower than the height of the receiving part 12, and when the contents escape the outer rib 123 while flowing upward, the contents discharged from the different discharge ports 122 are in a state where they can be mixed with each other. laid

The nozzle part 62 of the nozzle cap 60 is provided above the outer rib 123 , so that the contents deviated upward of the outer rib 123 may be discharged through the nozzle part 62 . The discharge flow of such cosmetics will be described in more detail below with reference to FIG. 7 and the like.

The discharge cap 10 may be provided with an outer intake hole 14 . In the container body, the internal pressure is reduced due to the discharge of the contents. In this case, if it is an airless type having a pressure plate that pushes the contents in response to the decrease in internal pressure, the outer intake hole 14 may be omitted.

However, if the container body is of a type without a pressure plate, it is necessary to deliver external air to the container body in order to prevent the container body from being damaged due to a decrease in internal pressure.

Therefore, the discharge cap 10 forms an outer intake hole 14 between the body coupling portion 11 and the receiving portion 12, and the outer intake hole 14 is attached to the nozzle cap 60 to prevent the inflow of foreign substances. It may be covered by but provided to allow the flow of air.

The outer intake holes 14 may be provided radially, and may be provided in the same or different manner from the arrangement of the discharge ports 122 . In addition, the number of outlets 122 may be different from those of the outlets 122 .

The housing 20 sucks the contents stored in the container body through the hole 211 at the bottom, and has an open top. The housing 20 may basically suck the contents through the lower end and discharge the contents through the open upper end.

An inlet pipe 21 is provided in the hole 211 provided at the lower end of the housing 20 . The inlet pipe 21 is provided to extend upward and downward from the hole 211, respectively, the upwardly extending inlet pipe 21 is the inner pipe 213, and the downwardly extending inlet pipe 21 is the outer pipe ( 212).

At this time, the diameter of the outer tube 212 and the inner tube 213 may be provided to be different from each other, but is not limited thereto. A dip tube (not shown) extending into the inner space of the container body may be coupled to the outer tube 212 , so that the contents may be sucked up through the dip tube and introduced into the housing 20 .

The inner tube 213 is a portion on which the first valve body 70 is seated, and the first valve body 70 may be disposed to surround the circumference of the inner tube 213 . In addition, a groove 22 may be formed around the inner tube 213 at the inner lower end of the housing 20 . The groove 22 is configured to prevent the first valve body 70 from being stably seated and not separated, and may be provided so that the seating portion 73 of the first valve body 70 is inserted.

The inner tube 213 may be provided at a height overlapping the center tube 32 provided in the cylinder 30 , and the inner tube 213 and the center tube 32 are spaced apart from each other. That is, when the centers of the housing 20 and the cylinder 30 are provided side by side, the inner diameter of the inner tube 213 is larger than the outer diameter of the central tube 32 , so the inner tube 213 and the center tube 32 are provided. ) is arranged in the form of concentric circles may be provided in a structure in which the contents can flow between the central tube 32 and the inner tube 213 .

However, between the central pipe 32 and the inner pipe 213 may be covered by the first wing part 71 of the first valve body 70 , and the first wing part 71 is the cylinder 30 . As the inner pressure decreases, the gap between the central tube 32 and the inner tube 213 is widened as it is lifted, allowing the contents to flow.

A cylinder 30 is inserted into the housing 20 , and the inner wall of the housing 20 may form a gap 341 with the outer wall of the cylinder 30 . That is, the housing 20 and the cylinder 30 may be disposed to form a concentric circle in cross section.

However, in order to maintain the gap 341 between the housing 20 and the cylinder 30 , an inner rib 23 may be provided on the inner wall of the housing 20 , and the inner rib 23 is the inner rib 23 of the housing 20 . radially on the inner wall. The inner rib 23 may come into contact with the outer wall of the cylinder 30 , and a gap 341 is provided between a portion of the housing 20 in which the inner rib 23 is not provided and the radially disposed inner ribs 23 . can form.

The inner rib 23 as described above may be provided at a lower portion of the inner wall of the housing 20 , and a step portion 24 may be provided at an upper portion of the inner wall of the housing 20 . An outer protrusion 34 provided on the cylinder 30 may be seated on the stepped portion 24, and the stepped portion 24 may limit the insertion depth of the cylinder 30 by allowing the outer protrusion 34 to engage. have. Through this, a flow path through which the contents can flow is formed between the lower part of the cylinder 30 and the inner lower part of the housing 20 .

Of course, when the housing 20 and the cylinder 30 are not cylindrical, but have a cone-like shape whose cross section narrows toward the bottom, the depth at which the cylinder 30 is inserted into the housing 20 is automatically limited by the cross-sectional shape. Therefore, in this case, the step portion 24 can be omitted. However, even when the step portion 24 is omitted, the outer protrusion 34 may be radially provided on the cylinder 30 to maintain the gap 341 between the housing 20 and the cylinder 30 .

The step depth of the step portion 24 may be smaller than the protrusion height of the outer protrusion 34 provided on the cylinder 30 . Therefore, when the outer protrusion 34 of the cylinder 30 is engaged with the stepped portion 24 of the housing 20, the cylinder 30 due to the remaining height not seated on the stepped portion 24 in the outer protrusion 34. A gap 341 between the and housing 20 is maintained.

The housing 20 may be provided with an inner intake hole 25 . The inner intake hole 25 is configured to introduce air into the container body in connection with the outer intake hole 14 of the discharge cap 10 , and may be disposed adjacent to the outer intake hole 14 .

For example, the housing 20 has a structure in which the upper end extends to the periphery and is fastened to the receiving part 12 of the discharge cap 10 , and at least two or more inner intakes are radially from the lower side of the part fastened to the receiving part 12 . A ball 25 may be provided.

The inner intake hole 25 and the outer intake hole 14 may be radially arranged side by side or different from each other, and the number may also be the same or different. This may be variously determined according to the composition of the contents or the size of the container body.

When the internal pressure of the container body decreases as the contents exit from the container body, the air introduced through the outer intake hole 14 described above flows into the interior of the container body while passing through the inner intake hole 25 . At this time, a second valve body 80 may be provided between the inner intake hole 25 and the container body, and the second valve body 80 will be described in detail below.

Between the outer intake hole 14 and the inner intake hole 25, there is a portion where the housing 20 and the discharge cap 10 are vertically adjacent to each other when referring to FIG. 7 or the like. However, since the corresponding parts are not parts that contact each other and are fastened, they can be finely spaced apart to allow air flow.

The cylinder 30 is provided in the housing 20 so that the inlet 31 is provided at the lower end and has a gap 341 between the cylinder 30 and the housing 20 . The cylinder 30 is provided in a shape corresponding to the housing 20 and may have a shape such as a cylinder when referring to the drawings.

A radially inner rib 23 is provided on the lower portion of the inner wall of the housing 20 so that the outer wall of the cylinder 30 engages with the inner rib 23, and radially outer protrusions 34 on the upper portion of the outer wall of the cylinder 30 is provided so that the inner wall of the housing 20 is in contact with the outer protrusion 34 .

Therefore, between the housing 20 and the cylinder 30, between the inner ribs 23 in the circumferential direction, between the inner rib 23 and the outer protrusion 34 in the vertical direction, between the outer protrusions 34 in the circumferential direction It is possible to maintain the gap 341, and the contents may be discharged to the outside through the gap 341.

The gap 341 between the housing 20 and the cylinder 30 may have a cylindrical shape depending on the shape of the housing 20 and the cylinder 30, and the inner rib 23 and the outer protrusion 34 are radially formed. Provided in plurality, the contents flow between the plurality of inner ribs 23 and between the plurality of outer protrusions 34 . In this case, the inner rib 23 and the outer protrusion 34 may be disposed vertically in parallel with each other or displaced from each other.

In the cylinder 30, a central tube 32 extends downwardly at the center of the lower end. The central tube 32 may have a lower end positioned below the upper end of the inner tube 213 provided in the housing 20 , and the outer diameter of the central tube 32 is smaller than the inner diameter of the inner tube 213 . The contents may flow between the central tube 32 and the inner tube 213 .

The first wing portion 71 of the first valve body 70 may be in close contact with the circumference of the central tube 32 , and the upper end of the first wing portion 71 covers the inner tube 213 while the lower end is the center By elastically maintaining a state in contact with the tube 32 , it is possible to seal between the inner tube 213 and the central tube 32 .

On the other hand, when the internal pressure of the cylinder 30 is reduced when the contents are discharged, the first wing portion 71 is naturally lifted toward the inside of the cylinder 30 to open between the inner tube 213 and the central tube 32, It may be introduced into the cylinder 30 through the inlet pipe 21 .

To this end, an inlet 31 is provided at the lower end of the cylinder 30, and the inlet 31 is radially disposed around the central tube 32 as shown in FIG. 6 to allow a quick and smooth inflow of the contents.

A peripheral tube 33 extends downward around the central tube 32 . An inlet 31 may be disposed between the peripheral pipe 33 and the central pipe 32 . The circumferential pipe 33 may be provided to have an outer diameter smaller than the cross-section of the portion in contact with the inner rib 23 of the housing 20 in the cylinder 30 , and the lower end of the circumferential pipe 33 is the first valve body 70 . ) may be in contact with the second wing portion 72 of the.

When the lower end of the circumferential pipe 33 comes into contact with the second wing portion 72 of the first valve body 70 , the inside and outside of the circumferential pipe 33 are isolated, between the housing 20 and the cylinder 30 . The gap 341 and the inside of the cylinder 30 may be separated from each other. Accordingly, the reverse flow of the contents of the gap 341 into the cylinder 30 can be prevented.

The peripheral tube 33 may have an inner rib 331 on the inner wall similar to that of the housing 20 . The inner rib 331 of the circumferential tube 33 is radially disposed, so that the content may flow through between the inner ribs 331 .

The piston 40 is provided in the cylinder 30 and moves up and down in the cylinder 30 . The piston 40 is raised and lowered in a state in which the peripheral portion is in close contact with the inner wall of the piston 40 . To this end, the cylinder 30 may have a cylindrical shape in which at least the inner wall has a constant inner diameter vertically.

The piston 40 may include a contact portion 41 that maintains a state in close contact with the inner wall of the cylinder 30, and the contact portion 41 is in close contact with at least two points on the inner wall of the cylinder 30. can have a form. As an example, the contact part 41 has an upper end and a lower end in close contact with the inner wall of the cylinder 30 , and the central portion is spaced apart from the inner wall of the cylinder 30 , and the outer wall may form a ) or ( ).

The piston 40 descends or rises in the cylinder 30 by the elevation of the pressing member 50 to be described later, and moves integrally with the pressing member 50 . To this end, the piston 40 has a fixing part 42 to be fixed to the pressing member 50 .

The fixing part 42 is provided in the form of a column and is fastened with the pressing member 50 through a method such as force fitting or uneven coupling, and can be connected so that the pressing member 50 and the contact part 41 are integrally raised and lowered.

The fixing part 42 may be manufactured integrally with the contact part 41 , or it is also possible to integrate the fixing part 42 and the contact part 41 by assembling each other. In addition, it may be considered that the contact part 41 is movable up and down based on the fixing part 42, and in this case, the contact part 41 has a cross section such as ")--(".

In this case, when the user presses the pressing member 50, the close contact portion 41 maintains a predetermined position by frictional force with the inner wall of the cylinder 30 and only the fixing portion 42 descends by a predetermined height, and then the pressing member While the lower end of the 50 (stem 51) presses down the contact part 41, the contents in the cylinder 30 can be discharged to the outside.

On the other hand, when the pressure of the pressing member 50 is released, when the pressing member 50 and the fixing part 42 rise, the contact part 41 maintains a state in close contact with the inner wall of the cylinder 30, and then the fixing part As the lower end of the (42) supports and pushes up the contact portion 41, the contact portion 41 may rise.

As such, in the present invention, when the contact part 41 and the fixing part 42 are integrally configured as shown in the drawing, the contact part 41 is independently configured to move relative to the fixed part 42 by a certain height up and down. All cases may be included as different embodiments. Although there are differences in the force required for initial pressurization and whether the pressurization time and the discharge time coincide with each other, the discharging method of the contents is the same.

The pressing member 50 is coupled to the piston 40 to lower the piston 40 . The pressing member 50 has a shape in which the cross section is expanded for convenience of pressing while the upper end thereof is exposed to the outside. That is, the pressing member 50 may have an approximately T-shaped cross section.

The upper surface of the pressing member 50 may be formed in various shapes for the convenience of the user, and if the content is a product that needs to be taken into consideration when the user presses the palm or the like, the upper surface may be flat or in the form of a dome, and the content may be in the form of a user finger If it is a product that needs to be pressed with a , it may be formed in a shape that forms a concave-convex structure according to the shape of the finger so that the finger is seated.

Elevation of the pressing member 50 may be guided by the receiving part 12 of the discharge cap 10 and the inner part of the nozzle cap 60 to be described later. The outer wall of the pressing member 50 may be disposed adjacent to the inner side of the nozzle cap 60 , and between the inner side of the nozzle cap 60 and the outer wall of the pressing member 50 so as not to obstruct the descent of the pressing member 50 . It may be finely spaced apart or form a guide structure that allows sliding.

Therefore, the pressing member 50 can be raised and lowered in a state in which shaking is minimized in the receiving part 12, and since the inside of the pressing member 50 is covered by the receiving part 12, the pressing member 50 due to the inflow of foreign substances (50) It is possible to prevent a situation in which the descent is obstructed in advance.

The pressing member 50 may be provided with a stem 51 , and the stem 51 may form a part of the pressing member 50 , but may be separately assembled, or may be integrally manufactured during manufacturing. The lower end of the stem 51 is coupled to the piston 40, and the piston 40 is integrally raised and lowered with the stem 51 while the fixing part 42 of the piston 40 is inserted into the inner diameter of the stem 51. can be

The lowering of the pressing member 50 may be made by the user applying an external force to the upper surface of the pressing member 50 , whereas the rising of the pressing member 50 is made by the elastic force of the elastic member 52 . The elastic member 52 is accommodated inside the pressing member 50 and may be fitted to the stem 51 .

The elastic member 52 may be made of a generally widely used metal spring. Of course, the elastic member 52 may be a spring made of a synthetic resin material. Alternatively, the elastic member 52 may have a bellows shape having wrinkles while being made of a synthetic resin material as shown in the drawing.

That is, the elastic member 52 is made of an injection material in the form of a bellows, and has an elastic force in a direction in which wrinkles are unfolded. Therefore, the elastic member 52 may be changed to a compressed state in which the wrinkles are folded when the elastic member 52 is placed in a basic state in which the wrinkles are unfolded, and when the pressing member 50 is lowered by pressure as in FIG. 2 .

Thereafter, when the external force applied to the pressing member 50 is removed, the elastic member 52 may return the pressing member 50 to its original position by applying an elastic force to the pressing member 50 to repel the wrinkle.

Therefore, in this embodiment, the elastic member 52 is made of a synthetic resin material, and in comparison with the case of using a metal spring, the entire pump device 1 is made of a synthetic resin material and can be easily recycled, thereby preventing environmental pollution. .

The upper end of the elastic member 52 may contact the pressing member 50 (step of the stem 51 ) and the lower end may contact the upper end of the fastening part 13 in the discharge cap 10 . However, the elastic member 52 has a bellows shape, but the upper end and the lower end may be provided relatively firmly in order to stably support the pressing member 50 . To this end, the elastic member 52 may be made of a material having a higher rigidity than the upper and lower portions of the elastic member 52 by double injection, or the thickness of the upper and lower portions may be thicker than that of the wrinkled portion.

The nozzle cap 60 discharges the contents discharged through the discharge port 122 to the outside. The nozzle cap 60 covers the accommodating part 12 so as to have a gap 61 between the accommodating part 12 and is rotatable to the discharge cap 10 (the body coupling part 11 or the accommodating part 12). can be tightly coupled.

The nozzle cap 60 is configured to discharge the contents discharged to the outer circumference of the accommodating part 12 through the discharge port 122 of the discharging cap 10 to the outside, and there is a gap between the accommodating part 12 in the inside and outside directions. (61) is provided to form a flow path of the contents.

At this time, the gap 61 may mean a space between the outer ribs 123 provided in the receiving part 12 , and also a gap 61 between the outer rib 123 and the inner wall of the nozzle cap 60 . They may be spaced apart to form.

Cosmetics discharged through the radially provided discharge port 122 may be introduced into the inside of the nozzle cap 60 (=outside of the receiving unit 12 ), and then discharged to the outside through the nozzle unit 62 .

The nozzle part 62 may be provided on the outer wall of the nozzle cap 60 and form a penetrating shape to communicate the inside and the outside of the nozzle cap 60 . At this time, the nozzle part 62 may be configured to guide the contents by protruding by a certain length as shown in the drawing, but depending on the internal pressure of the container body or the composition of the contents, the nozzle part 62 does not protrude to the outside but is simply a hole shape can also be included. For example, in the case of a type in which the contents are to be sprayed/sprayed, the nozzle part 62 may be provided in the shape of a fine hole that (almost) does not protrude from the nozzle cap 60 to the circumference.

The nozzle part 62 may be provided alone around the nozzle cap 60 . Accordingly, the contents that flow as a whole around the accommodating part 12 are mixed with each other above the outer rib 123 and transmitted to the outside through one nozzle part 62 .

The nozzle cap 60 is similar to the main body coupling part 11 of the discharge cap 10 in order to prevent the contents flowing upward while passing between the outer ribs 123 from flowing back into the receiving part 12 again. It may have a double-walled form.

That is, the outer part of the nozzle cap 60 may be configured to form a gap 61 between the inner wall of the accommodating part 12 , and the inner part of the nozzle cap 60 is in close contact with the accommodating part 12 . It is possible to prevent the contents flowing into the gap 61 from leaking into the receiving part 12 . Specifically, the inner portion of the nozzle cap 60 may be provided to restrict the flow of the contents by engaging the upper end or inner wall of the receiving portion 12, and to implement sealing by applying a concave-convex structure or an interference fit, or a separate packing material. Sealing can be implemented by adding .

Accordingly, the contents discharged into the gap 61 between the receiving portion 12 and the nozzle cap 60 through the discharge port 122 are discharged only through the nozzle portion 62 and ride over the receiving portion 12 to the receiving portion 12 . ) may not be transmitted to the inside.

The inner portion of the nozzle cap 60 may form a through hole 63 , and the elastic member 52 and the pressing member 50 may slide up and down in the through hole 63 . As described above, the inner portion of the nozzle cap 60 and the pressing member 50 are finely spaced apart to prevent unnecessary friction, and guide structures of various shapes so that the pressing member 50 can move up and down smoothly. can be used.

The first valve body 70 is provided between the housing 20 and the cylinder 30 and when the piston 40 moves up and down, the content flows into the cylinder 30 or the cylinder 30 according to the change in internal pressure of the cylinder 30 . Controls the discharge of contents from the

The first valve body 70 has a first wing portion 71 that opens and closes the flow from the hole 211 provided at the lower end of the housing 20 to the cylinder 30 , and a gap 341 from the cylinder 30 . It has a second wing portion 72 for opening and closing the flow.

In addition, the first valve body 70 has a seating portion 73 to fix the position, and the seating portion 73 may be seated in a groove 22 provided at the lower end of the housing 20 .

The first wing portion 71 of the first valve body 70 is provided in a hollow shape in which the inner side faces the central tube 32 and the outer side covers the inlet tube 21 . The first wing portion 71 may be of a form in which the inner side in contact with the center tube 32 forms the upper end, and the outer side that covers the inlet tube 21 forms the lower end, for example, the first wing portion 71 is the upper end compared to the lower end. may be provided in a multi-stage cylindrical shape or a truncated cone shape having a smaller cross-section.

Of course, the shape of the first wing portion 71 is limited to the case in which the inlet tube 21 (inner tube 213) and the central tube 32 have a cylindrical shape, and the shape of the first wing portion 71 is the inlet tube. (21) and may be variously determined in correspondence with the shape of the central tube (32).

The first wing portion 71 may have an elastic force to maintain the inner side in close contact with the central tube (32). To this end, the inner diameter of the first wing portion 71 may be the same as the outer diameter of the central tube 32 or smaller than the outer diameter of the central tube 32 .

When the user removes the external force applied to the pressing member 50 after the contents are discharged, the piston 40 rises to the state of FIGS. 8 to 7 by the elastic member 52 . At this time, since the close contact portion 41 of the piston 40 maintains a state in close contact with the inner wall of the cylinder 30 , the internal pressure of the space under the piston 40 in the cylinder 30 is decreased due to an increase in volume.

At this time, the first wing portion 71 is elastically deformed so that the upper inner side is lifted upward toward the inside of the cylinder 30 due to the pressure difference between the inside of the cylinder 30 and the container body, and fits the central tube 32 . The inner side that was in contact may be spaced apart from the central tube 32 .

Therefore, the contents can be supplied into the cylinder 30 through the inlet 31 of the cylinder 30 through the gap formed between the first wing part 71 and the center pipe 32 through the inlet pipe 21. have.

When the contents are delivered to the inside of the cylinder 30 as much as the pressure of the cylinder 30 is reduced, the pressure inside and outside the cylinder 30 is balanced, so that the first wing part 71 has an inside center tube 32 through an elastic force. return to the state of contact with Accordingly, the contents are no longer transferred to the cylinder 30 .

Accordingly, the first wing portion 71 is elastically deformed so that the inner side of the first wing portion 71 is in close contact with or spaced apart from the central tube 32 according to the internal pressure of the cylinder 30 , thereby opening and closing the content flow to the cylinder 30 .

The second wing portion 72 is provided in the form of a ring in contact with the peripheral tube 33 . When the user presses the pressing member 50 , the internal pressure of the space under the piston 40 inside the cylinder 30 increases while the piston 40 descends inside the cylinder 30 .

At this time, while the contents exit downward through the inlet 31 of the cylinder 30, the circumference of the second wing part 72 is pushed down. Therefore, the second wing portion 72 may be spaced apart from the lower end of the peripheral tube 33 , and the contents may be introduced into the gap 341 between the cylinder 30 and the housing 20 and finally discharged to the outside.

On the other hand, when the external force applied to the pressing member 50 is released, the periphery of the second wing part 72 rises by the elastic force and comes into close contact with the lower end of the peripheral pipe 33 of the cylinder 30, and the housing 20 The gap 341 between the and the cylinder 30 is isolated from the inner space of the cylinder 30 .

As such, the second wing portion 72 is elastically deformed in the vertical direction so that the circumference is in close contact with or spaced apart from the circumferential tube 33 according to the internal pressure of the cylinder 30 to prevent the flow from the cylinder 30 to the gap 341 . can be opened and closed.

The second valve body 80 opens and closes the air flow from the inner intake hole 25 to the container body according to the change in the internal pressure of the container body. The second valve body 80 has a ring part 81 that is seated in the body coupling part 11 of the discharge cap 10 . The ring part 81 may have an outer diameter greater than or equal to the inner diameter of the body coupling part 11 in contact with the ring part 81 to be fitted into the body coupling part 11 . Alternatively, the position of the ring portion 81 may be fixed by being seated on the top of the spout when the discharge cap 10 is fastened to the spout of the container body.

The inner diameter of the ring part 81 faces the housing 20 , and may be made larger than the outer diameter of the housing 20 . Accordingly, a gap is formed between the inner diameter of the ring portion 81 and the outer wall of the housing 20 to allow air to flow.

The second valve body 80 has a wing portion 82 extending upward from the ring portion 81 . The wing part 82 is in close contact with the inner intake hole 25 to block the air flow to the container body, or elastically deformed so as to be spaced apart from the inner intake hole 25 by a drop in internal pressure of the container body when the contents are discharged, so that the air into the container body is discharged. flow can be allowed.

The wing portion 82 may have an inverted truncated cone shape as shown in the drawing, but as a flap shape capable of opening and closing the inner intake hole 25 , the shape may not be limited.

After the contents of the container body are discharged to the outside by the pressing of the pressing member 50, when the pressing of the pressing member 50 is released, the contents of the container body are transferred to the inlet tube 21 of the housing 20 and the first valve body. It is transmitted to the inside of the cylinder 30 through 70.

That is, the contents of the container body are reduced. In this case, if the volume of the container body is not variable, the internal pressure is reduced as much as the contents are discharged, so there is a risk that the container body is crushed.

In order to solve this problem, the present embodiment has a path through which external air flows into the container body. Specifically, the air is provided in the body coupling part 11 with the external intake hole 14, the receiving part 12 and the housing. It flows into the container body through the gap between the 20 , the inner intake hole 25 provided in the housing 20 , and the second valve body 80 .

The second valve body 80 may be provided so that the air of the container body does not escape to the outside and only allows external air to flow into the container body. For example, in the second valve body 80 , the upper end of the wing part 82 is spread in the circumferential direction in a state where no external force is applied, and comes into contact with the housing 20 , so that the inner intake hole 25 is formed with the ring part 81 . It can be isolated from the inside of the container body by covering it with the wing part 82 .

On the other hand, when the internal pressure of the container body decreases, the second valve body 80 is spaced apart from the housing 20 while the upper end of the wing part 82 retracts in the center direction, and the inner intake hole 25 and the inside of the container body are separated. It can be communicated to allow the inflow of air.

Hereinafter, the flow of the contents (dotted arrow) in the present invention will be described again with reference to FIGS. 7 and 8 based on the contents described above.

Referring to FIG. 7 , when the pressing member 50 rises by the elastic member 52 , the piston 40 rises in the cylinder 30 , and the internal pressure of the space below the piston 40 inside the cylinder 30 . This decreases.

In this case, the first wing portion 71 of the first valve body 70 is spaced apart from the central tube 32 while being lifted toward the inside of the cylinder 30 to form a gap. Therefore, the contents stored in the container body are sucked up into the cylinder 30 through a dip tube or the like to equalize the pressure.

That is, the contents stored in the container body in FIG. 7 include the dip tube - the inlet tube 21 (outer tube 212) of the housing 20 - the inlet tube 21 (inner tube 213) of the housing 20 and Between the central tube 32 of the cylinder 30 - the gap between the first wing portion 71 and the center tube 32 - the inlet 31 of the cylinder 30 - the cylinder 30 internal space is delivered in order .

On the other hand, referring to FIG. 8 , when an external force greater than or equal to the elastic force of the elastic member 52 acts on the pressing member 50 and the pressing member 50 descends, the piston 40 descends within the cylinder 30 while the cylinder ( 30) The internal pressure of the space below the inner piston 40 rises.

In this case, the first wing portion 71 of the first valve body 70 is maintained in contact with the central tube 32 by the elastic force and the pressure by the contents discharged through the inlet 31, whereas the first The second wing portion 72 of the valve body 70 is deformed downward due to the discharge pressure of the contents and is spaced apart from the circumferential pipe 33 of the cylinder 30 to form a gap. Accordingly, the contents stored in the cylinder 30 are transferred to the gap 341 between the housing 20 and the cylinder 30 .

Specifically, the contents are a cylindrical gap 341 between the housing 20 and the cylinder 30 (between the inner ribs 23 of the housing 20 and the outer protrusions 34 of the cylinder 30) After passing through the disc-shaped gap 121 between the upper end of the housing 20 and the accommodating portion 12 , it exits the radially disposed discharge port 122 .

After the contents are introduced into the cylindrical gap 61 (between the outer ribs 123 of the receiving part 12) between the receiving part 12 and the nozzle cap 60, the nozzle cap 60 is It may be discharged to the outside through the nozzle part 62 .

That is, the contents temporarily stored inside the cylinder 30 in FIG. 8 are the inlet 31 of the cylinder 30 - the circumferential pipe 33 of the cylinder 30 and the second blade of the first valve body 70 . The gap between the parts 72 - between the inner ribs 23 of the housing 20 - the gap 341 between the housing 20 and the cylinder 30 - between the outer protrusions 34 of the cylinder 30 - the housing The gap 121 between the upper end of the 20 and the receiving portion 12 - the discharge port 122 - the gap 61 between the receiving portion 12 and the nozzle cap 60 - is delivered in the order of the nozzle portion 62 discharged to the outside

Hereinafter, an air inflow flow (solid arrow) to the container body will be described with reference to FIG. 8 again.

Referring to Figure 8, in order to recover the internal pressure of the container body when the contents escape from the container body, external air may be delivered toward the inside of the container body. Specifically, the outside air is introduced into the discharge cap 10 through the outside intake hole 14 . At this time, the lower end of the nozzle cap 60 may be adjacent to a position corresponding to the outer intake hole 14, but the nozzle cap 60 may be provided to communicate with the outside without blocking the outer intake hole 14. .

The air introduced into the outer intake hole 14 is transferred to the inner intake hole 25 through the upper and lower gaps between the housing 20 and the accommodating part 12 . The air flow to the inner intake hole 25 is made freely without blocking.

However, the air flow in the direction of the container body from the inner intake hole 25 may be selectively made by the second valve body (80). That is, only when the pressure of the container body becomes lower than the outside, the wing part 82 of the second valve body 80 opens the inner intake hole 25 , and air flows into the container body through the inner intake hole 25 . is transmitted to

Therefore, when referring to FIG. 8 , the external air is the outer inlet hole of the discharge cap 10 - the gap between the housing 20 and the receiving part 12 - the inner inlet hole - the wing part 82 of the second valve body 80 ) and the gap between the housing 20 - the inner and outer gap between the ring part 81 and the housing 20 of the second valve body 80 - are transmitted in the order of the inside of the container body, so that the pressure of the container body can be kept constant have.

As described above, in this embodiment, a structure for discharging the contents using the gap 341 between the cylinder 30 and the housing 20, etc. is applied so that the direction of the nozzle cap 60 is not limited, It is possible to freely change the discharge direction of the contents while rotating the nozzle cap 60 . In addition, this embodiment can ensure stable discharge and durability of the container body by implementing the smooth discharge of the contents and the inflow of air using the valve body (70, 80).

Although the present invention has been described in detail through specific examples, this is for the purpose of describing the present invention in detail, and the present invention is not limited thereto, and by those of ordinary skill in the art within the technical spirit of the present invention. It will be clear that the transformation or improvement is possible.

All simple modifications and variations of the present invention fall within the scope of the present invention, and the specific protection scope of the present invention will become apparent from the appended claims.

1: pump unit 10: discharge cap
11: main body coupling part 12: receiving part
121: gap 122: outlet
123: outer rib 13: fastening part
14: outer intake hole 20: housing
21: inlet pipe 211: hole
212: outer tube 213: inner tube
22: groove 23: inner rib
24: step part 25: inner intake hole
30: cylinder 31: inlet
32: central tube 33: peripheral tube
331: inner rib 34: outer protrusion
341: clearance 40: piston
41: adhesion part 42: fixed part
50: pressing member 51: stem
52: elastic member 60: nozzle cap
61: gap 62: nozzle part
63: through hole 70: first valve body
71: first wing portion 72: second wing portion
73: seating portion 80: second valve body
81: ring portion 82: wing portion

Claims (15)

A housing with an open top and sucking the contents through a hole at the bottom;
a cylinder provided in the housing to have a gap therebetween and having an inlet at a lower end thereof;
a piston ascending and descending within the cylinder;
a discharge cap provided on the upper side of the housing and having a discharge port communicating with the inside of the housing;
a nozzle unit for discharging the contents discharged through the discharge port to the outside; and
It is provided between the housing and the cylinder and includes a valve body for controlling the inflow of the contents into the cylinder or the discharge of the contents from the cylinder according to a change in the internal pressure of the cylinder when the piston is raised and lowered,
The said valve body has a 1st blade part which opens and closes the flow from the said hole of the said housing to the said cylinder, and the 2nd blade part which opens and closes the flow from the said cylinder to the said clearance gap. The pump apparatus characterized by the above-mentioned. The method of claim 1,
a pressing member coupled to the piston to lower the piston; and
Pump device, characterized in that it further comprises an elastic member for raising the piston. The method of claim 1,
The housing has an inner rib protruding on the inner lower side to face the outer wall of the cylinder,
The cylinder has an outer protrusion protruding from the upper side to face the inner wall of the housing,
A gap is formed between the housing and the cylinder by the inner rib and the outer protrusion. 4. The method of claim 3,
A gap between the housing and the cylinder forms a cylindrical shape,
The inner rib and the outer protrusion, a plurality of radially provided, the pump device, characterized in that the content is provided to flow between the plurality of inner ribs and between the plurality of the outer protrusion. The method of claim 1,
The housing, the inlet pipe extends upward around the hole at the bottom,
In the cylinder, a central pipe extends downwardly at the center of a lower end, a peripheral pipe extends downwardly around the central pipe, and the inlet is provided between the central pipe and the peripheral pipe. The method of claim 5, wherein the first wing portion of the valve body,
It is characterized in that the inner side faces the central tube and the outer side is provided in the form of a hollow that covers the inlet tube, and the inner side is deformed to be in close contact with or spaced apart from the central tube according to the internal pressure of the cylinder to open and close the flow of contents into the cylinder pumping device. The method of claim 5, wherein the second wing portion of the valve body,
It is provided in the form of a ring in contact with the peripheral pipe, the periphery is deformed so as to be in close contact with or spaced apart from the peripheral pipe according to the internal pressure of the cylinder to open and close the flow from the cylinder to the gap. The pump device of any one of claims 1, 3 to 7; and
Includes a container body for storing the contents,
The pump device is
a pressing member coupled to the piston to lower the piston; and
Further comprising an elastic member for raising the piston,
The discharge cap is coupled to the container body,
The housing, pumping container, characterized in that the inlet pipe extends downward around the hole at the bottom. The method of claim 8, wherein the discharge cap,
a body coupling part coupled to the container body;
an accommodating part extending upward from the main body coupling part and spaced apart from the upper end of the housing to have a gap and having the discharge port on the periphery, and accommodating the pressing member or the elastic member inside; and
Pumping container, characterized in that it includes a fastening portion extending downwardly from the inside of the receiving portion is fastened to the cylinder. 10. The method of claim 9,
The pumping container according to claim 1, further comprising a nozzle cap that covers the accommodating part so as to have a gap between the accommodating part and is rotatably coupled to the discharge cap and has the nozzle part. 11. The method of claim 10,
The gap between the receiving part and the nozzle cap forms a cylindrical shape,
The gap between the upper end of the housing and the receiving part forms a disk shape,
The discharge port is provided in a plurality of radially, the pumping container, characterized in that the communication between the gap between the upper end of the housing and the accommodating portion and the gap between the accommodating portion and the nozzle cap. Container body for storing the contents;
a housing having an open top and an inner intake hole for sucking the contents through a hole at the bottom;
a cylinder provided in the housing to have a gap for discharging the contents between the housing and an inlet provided at a lower end;
a piston ascending and descending within the cylinder;
a discharge cap coupled to the container body, provided on an upper side of the housing, having a discharge port communicating with the inside of the housing, and having an outer intake hole at a position corresponding to the outer intake hole;
a nozzle cap for discharging the contents discharged through the discharge port to the outside; and
And a valve body for opening and closing the air flow from the inner intake hole to the container body according to the change in the internal pressure of the container body,
The valve body is in close contact with the inner intake hole to block the air flow to the container body, or is deformed to be spaced apart from the inner intake hole by lowering the internal pressure of the container body when the contents are discharged to allow air flow to the container body. A pumping vessel, characterized in that it has a portion. 13. The method of claim 12,
a pressing member coupled to the piston to lower the piston; and
Pumping container, characterized in that it further comprises an elastic member for raising the piston. 14. The method of claim 13, wherein the discharge cap,
a body coupling portion coupled to the container body and provided with the outer intake hole;
an accommodating part extending upward from the main body coupling part and spaced apart from the upper end of the housing to have a gap and having the discharge port on the periphery, and accommodating the pressing member or the elastic member inside; and
Pumping container, characterized in that it includes a fastening portion extending downwardly from the inside of the receiving portion is fastened to the cylinder. 15. The method of claim 14, wherein the nozzle cap,
It covers the receiving portion so as to have a gap between it and the receiving portion and is rotatably coupled to the main body coupling portion or the receiving portion, but communicates the outer intake hole with the outside, and has a nozzle portion on one side for discharging the contents to the outside A pumping container, characterized in that.

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