KR102633089B1 - Spring for Pumping Type Container and Pumping Type Container Therewith - Google Patents

Abstract

The present invention relates to a spring for a pumping container and a pumping container including the same, wherein the elastic deformation portion includes an upper circular pipe portion formed alternately along the circumferential direction with a downwardly convex upper pipe convex portion and an upwardly concave upper pipe concave portion. , a lower circular pipe portion formed so that the upwardly convex lower pipe convex portion is aligned with the upper pipe concave portion and the downwardly concave lower pipe concave portion is aligned with the upper pipe convex portion, a downwardly convex upper wrinkle first slope crest convex portion, The downwardly convex upper wrinkle summit convexity, the downwardly convex second slope trough convexity are formed to be aligned with the upper pipe convexity, and the upwardly concave first wrinkle crest concave part is concave in the upward direction. The upper wrinkle top surface ridge concave and the upwardly concave second upper wrinkle concave surface groove are formed to align with the upper pipe concave, respectively, and the upwardly convex lower wrinkle first slope crest convex part is convex in the upward direction. The lower wrinkle summit ridge convex portion, the upwardly convex second lower wrinkle ridge convex portion, are formed to align with the upper pipe concave, respectively, the downwardly concave first wrinkle ridge ridge concave, and the downwardly concave lower wrinkle summit crest. A concave portion, a downwardly concave lower wrinkle second slope trough concave formed to align with the upper pipe convexity, a downwardly concave upper ridge of the middle wrinkle normal surface, and a downwardly concave upper ridge of the middle wrinkle normal surface. Concave part, concave downwardly concave middle wrinkle top surface lower crest convexity, upwardly concave middle wrinkle top surface lower crest concave, upwardly convex middle wrinkle first slope trough convexity, downwardly concave middle wrinkle first slope trough convexity It is characterized by comprising a neck portion, a middle wrinkle second bevel bone convex portion convex in the downward direction, and a middle wrinkle portion having a middle wrinkle second bevel bone concave portion concave in the upward direction. As a result, it is possible to prevent the button from rotating and increase the elastic force accumulated in the elastic deformation portion.

Description

Spring for pumping type container and pumping type container including the same {Spring for Pumping Type Container and Pumping Type Container Therewith}

The present invention relates to a pumping container having a structure that gradually discharges the liquid contents stored in the container to the outside in a pumping manner by pressing a button, and a spring for the pumping container used therein.

A pumping container that has a structure that pumps out liquid contents such as cosmetics by pressing a button is equipped with a pumping container spring that accumulates an elastic force that allows the button to rise to its original position when the button is pressed downward. It is installed.

Figure 12 is a combined cross-sectional view of a conventional pumping-type container, and Figure 13 is an exploded cross-sectional view of a conventional pumping-type container.

As shown in these drawings, a conventional pumping container includes a container unit 210, a cylinder 230 installed in the container unit 210, a pressurizing unit 240 installed on the upper side of the cylinder 230, and Button 250 coupled to the pressing part 240, an opening/closing operation shaft 260 coupled to the pressing part 240, a spring 280 for a pumping container installed on the lower side of the button 250, and a cylinder ( The cylinder piston 291 and cylinder valve 292 installed inside the container 230), the container piston 294 installed inside the container 210, and the button 250 are coupled to the container 210 to surround the cylinder piston 291 and the cylinder valve 292. It has a container cap (295).

The container portion 210 includes a container bottom portion 211, a tubular container side portion 212 extending upward from the peripheral edge of the container bottom portion 211, and a container neck portion formed at the top of the container side portion 212. It has (214) and a shoulder portion (220) coupled to the container neck portion (214).

A container bottom air inlet hole 211a is formed in the container bottom portion 211.

The shoulder portion 220 includes a cover portion 221 with a communication hole 221a formed in the center, a shoulder fastening pipe portion 222 bent from the peripheral edge of the cover portion 221, and a shoulder fastening pipe portion 222. It has a shoulder guide tube portion 224 extending upward from the top.

The shoulder portion 220 is coupled to the container neck portion 214 through the shoulder fastening pipe portion 222 so that the communication hole 221a faces the container bottom surface portion 211.

In the container portion 210, a storage space 213 is formed between the container piston 294 and the cover portion 221.

The cylinder 230 has a cylinder bottom portion 231 with an inlet hole 231a formed in the center, and a cylinder side portion 232 in the form of a straight pipe extending upward from the peripheral edge of the cylinder bottom portion 231.

The cylinder 230 is installed so that the inlet hole 231a is connected to the storage space 213.

The pressing portion 240 has a piston pressing pipe portion 241 and a spring support flange 248 extending from the piston pressing pipe portion 241.

The pressurizing unit 240 is installed so that the lower end of the piston pressurizing pipe unit 241 enters the internal space of the cylinder side part 232.

The button 250 includes a button ceiling surface portion 251, a button side portion 252 extending downward from the peripheral edge of the button ceiling surface portion 251, and a button vertical flow pipe portion 253 formed on the bottom of the button side portion 252. ) has.

The button 250 is coupled to the pressurizing part 240 through the button vertical flow pipe part 253 and descends together with the pressurizing part 240 toward the bottom surface of the container 211, and the piston pressurizing pipe part 241 is connected to the button vertical flow passage. It is connected to the pipe (253).

The opening and closing operation shaft 260 has an operation shaft passage pipe portion 261 whose lower end is sealed, and an operation shaft opening and closing portion 262 extending outward from the lower end of the operation shaft passage pipe portion 261.

The opening and closing operation shaft 260 is connected to the piston pressurizing pipe part 241 so that the operating shaft flow pipe part 261 moves up and down together with the pressurizing part 240, and the operating shaft flow pipe part 261 is connected to the piston pressurizing pipe part 241. do.

The spring 280 for a pumping container includes an upper support plate 281 in the form of a circular ring, a lower support plate 282 in the form of a circular ring disposed on the lower side of the upper support plate 281, and the bottom and lower surfaces of the upper support plate 281. It has an elastic deformation portion 283 connecting the upper surface of the support plate 282.

The elastic deformation portion 283 is formed in the shape of three spirals.

The spring 280 for a pumping container is installed inside the container portion 210 so that the upper support plate 281 is supported on the bottom of the spring support flange 248 and the lower support plate 282 is supported on the upper surface of the cover portion 221. is installed in

When the button 250 is pressed toward the bottom surface of the container 211 with the pumping container spring 280 installed, the elastic deformation portion 283 is compressed and an elastic force is accumulated to raise the button 250 to its original position.

However, according to the conventional pumping container, since the elastic deformation part 283 is formed in a spiral shape, when the elastic deformation part 283 is compressed, a force to rotate in the circumferential direction is applied to the upper support plate 281, causing the button 250 There was a problem with this rotating. When the button 250 rotates, pressing the button 250 becomes uncomfortable.

Additionally, because the elastic deformation portion 283 is formed in a linear shape, there was a problem in that the elastic force accumulated in the elastic deformation portion 283 was small.

Republic of Korea Patent Publication No. 10-2382012 (registered on April 1, 2022)

Therefore, the purpose of the present invention is to provide a spring for a pumping container and a pumping container including the spring to prevent the button from rotating and increase the elastic force accumulated in the elastic deformation portion.

The above object is, according to the present invention, an upper support plate on which a circular upper passage hole is formed, a lower support plate on which a circular lower passage hole is formed and disposed below the upper support plate so that the lower passage hole is aligned with the upper passage hole, and In the pumping container spring having an elastic deformation portion that is deformed to accumulate elastic force when the upper support plate approaches the lower support plate, it extends in the form of a circular tube from the bottom of the upper support plate toward the lower support plate and has a downward direction at the bottom. An upper circular pipe portion formed alternately along the circumferential direction with a convex upper pipe convex portion and an upper pipe concave portion extending concavely upward from one end of the upper pipe convex portion, and a circular pipe from the upper surface of the lower support plate toward the upper support plate. It extends in a shape and is formed at the top with an upwardly convex lower pipe convex portion aligned with the upper pipe concave portion, and at the upper end, a downward concave lower pipe concave portion is disposed between the lower pipe convex portions and aligned with the upper pipe convex portion. It includes a lower circular pipe formed so as to be able to; The elastic deformation portion extends from the bottom of the upper circular pipe portion so that the inner angle with respect to the outer surface of the upper circular pipe portion forms an obtuse angle, and at the lower end, a downwardly convex upper wrinkle first slope crest convex portion is formed to be aligned with the upper pipe convex portion. And at the bottom, the upper wrinkle first slope ridge concave portion concave upward is disposed between the upper wrinkle first slope ridge convex portion and is formed to be aligned with the upper pipe concave portion and the upper wrinkle first slope portion. It extends from the bottom of the upper wrinkle first slope portion so that the internal angle with respect to the portion forms an obtuse angle, and at the lower end, a downwardly convex upper wrinkle top surface ridge convex portion is formed to align with the upper pipe convex portion, and at the lower end is an upper wrinkle top surface that is concave upward. A ridge concave portion is disposed between the upper wrinkle top surface crest convex portions and extends from the bottom of the upper wrinkle top surface portion such that an inner angle of the upper wrinkle top surface portion and the upper wrinkle top surface portion formed to align with the upper pipe concave portion forms an obtuse angle, At the lower end, the upper wrinkle second slope trough convexity convex downward is formed to be aligned with the upper pipe convexity, and at the lower end, the upper wrinkle second slope trough concave concave upward is disposed between the upper wrinkle second slope trough convex parts. and an upper wrinkle portion having a second inclined surface portion of the upper wrinkle formed to align with the upper pipe concave portion, and an inner angle with respect to the outer surface of the lower circular pipe portion extending from the upper end of the lower circular pipe portion to form an obtuse angle, and an upward direction at the upper end. A convex lower wrinkle first slope ridge convex portion is formed to be aligned with the upper pipe concave portion, and at the upper end, a downwardly concave first lower wrinkle ridge concave portion is disposed between the lower wrinkle first inclined surface ridge convex portions, and the upper pipe A lower wrinkle top slope portion formed to align with the convex portion extends from the top of the lower wrinkle first slope portion so that an internal angle of the lower wrinkle first slope portion forms an obtuse angle, and a lower wrinkle top surface ridge convex portion is convex upward at the top. A lower wrinkle top surface portion formed to be aligned with the upper pipe concave portion and concave downward at the upper end thereof is disposed between the lower wrinkle top surface ridge convex portions and formed to be aligned with the upper pipe convex portion and the lower wrinkle. It extends from the top of the lower wrinkle top surface so that the internal angle with respect to the normal surface forms an obtuse angle, and at the top, a lower wrinkle second slope valley convex portion that is convex upward is formed to be aligned with the upper pipe concave portion, and a lower part that is concave downward at the top. a lower wrinkle portion having a second lower wrinkle slope portion formed so that the second wrinkle second slope trough concave portion is disposed between the lower wrinkle second slope trough convex portions and is aligned with the upper pipe convex portion; It is formed in the form of a circular tube, and at the top, the upper ridge of the upper ridge of the middle wrinkle normal surface is convex and the lower ridge of the upper ridge of the middle wrinkle normal surface is concave in the downward direction, forming alternately along the circumferential direction. A convex portion is formed to be aligned with the mid-wrinkle top surface upper ridge concave, and at the bottom, a mid-wrinkle top surface lower ridge concave concave upwardly is formed to be aligned with the mid-wrinkle top surface upper ridge convex, and the middle wrinkle top surface portion. The inner angle to the middle wrinkle top surface extends from the top to form an obtuse angle, and at the top, the upwardly convex first slope trough convex portion is formed to be aligned with the middle wrinkle top surface upper ridge convex portion, and the top is concave downward. The first intermediate wrinkle slope trough concave portion is formed to be aligned with the upper ridge concave portion of the intermediate wrinkle top surface and extends from the bottom of the intermediate wrinkle top surface portion so that the inner angle with respect to the intermediate wrinkle top surface portion forms an obtuse angle, and the lower end portion At the bottom, the downwardly convex middle wrinkle second slope trough convex portion is formed to be aligned with the middle wrinkle top surface lower ridge concave, and at the bottom, the upwardly concave second middle wrinkle trough trough concave portion is aligned with the middle wrinkle top surface lower ridge concave. The middle wrinkle second slope portion is formed so as to be formed, and in the upper wrinkle portion, the middle wrinkle first slope trough convex portion is connected to the upper wrinkle second slope trough concave portion, and the middle wrinkle first slope trough concave portion is connected to the upper wrinkle second slope trough. It is coupled to be connected to the lower wrinkle part, and the middle wrinkle second slope bone convex part is connected to the lower wrinkle second slope bone concave part, and the middle wrinkle second slope bone concave part is the lower wrinkle second slope bone convexity. This is achieved by a spring for a pumping container, characterized in that it includes an intermediate corrugated part coupled to be connected to the part.

In addition, in order to reduce the pressing force on the button and to maintain the deformation operation of the elastic deformation section stably, when the upper support plate approaches the lower support plate, a path is provided for the air inside the elastic deformation section to be discharged to the outside of the elastic deformation section and to the lower support plate. It is preferable to further include an air passage part that provides a path for external air to flow into the elastic deformation part when the approached upper support plate returns to its original position.

In addition, in order to maintain a constant amount of cosmetics discharge and prevent damage to the elastic deformation part due to excessive deformation, an access restriction stopper is added to limit the approach distance of the upper support plate to the lower support plate when the upper support plate approaches the lower support plate. It is desirable to include it.

Therefore, according to the present invention, an upper circular pipe portion formed alternately along the circumferential direction with a downwardly convex upper pipe convex portion and an upwardly concave upper pipe concave portion, and an upwardly convex lower pipe convex portion are aligned with the upper pipe concave portion, A lower circular pipe portion formed so that the downwardly concave lower pipe concave portion is aligned with the upper pipe convex portion, a downwardly convex upper wrinkle first slope crest convex portion, a downwardly convex upper wrinkle top surface ridge convex portion, and a downwardly convex upper portion. The second wrinkle slope trough convex part is formed to be aligned with the upper pipe convex part, and the upper wrinkle first slope ridge concave part is concave in the upward direction, the upper wrinkle top surface ridge concave part is concave in the upward direction, and the upper wrinkle second slope part is concave in the upward direction. An upper wrinkle formed so that the trough concavities are aligned with the upper pipe concave, an upwardly convex first slope ridge of the lower wrinkle, an upwardly convex lower wrinkle top surface ridge convex, and an upwardly convex second lower wrinkle slope. The trough convex portions are formed to be aligned with the upper pipe concave portions, and the lower wrinkle first slope ridge concave portion is concave downward, the lower wrinkle top surface ridge concave concave downward, and the lower wrinkle second slope trough concave portion is concave downward, respectively. A lower wrinkle formed to align with the upper pipe convexity, an upwardly convex upper crest convex part of the middle wrinkle normal surface, a downwardly concave upper crest concave part of the middle wrinkle normal surface, a downwardly convex middle wrinkle normal surface lower ridge convexity, Concave in the direction of the lower ridge of the upper surface of the middle wrinkle, concave in the upward direction, convex part of the first slope trough of the middle wrinkle concave in the downward direction, concave part of the first slope trough of the middle wrinkle concave in the downward direction, convex part of the second slope trough of the middle wrinkle concave in the downward direction, upper There is a middle wrinkle 2nd slope trough concave concave in the direction, and in the upper wrinkle part, the middle wrinkle 1st slope trough convexity is connected to the upper wrinkle 2nd slope trough concave, and the middle wrinkle 1st slope trough concave is connected to the upper wrinkle 2nd slope trough convexity. It is connected to the lower wrinkle part, and the middle wrinkle second slope bone convexity is connected to the lower wrinkle second slope bone concave, and the middle wrinkle second slope bone concave is connected to the lower wrinkle second slope bone convexity. By configuring the elastic deformation part to include the elastic deformation part, the amount of rotation of the button can be reduced when the elastic deformation part is compressed (the circumferential direction applied to the upper support plate as the upper wrinkle part, lower wrinkle part, and middle wrinkle part are folded in the same direction). (the force to rotate it is reduced), and the elastic force accumulated in the elastic deformation part can be increased (the elastic deformation part is formed in a plane shape spanning all 360 degrees and with convex and concave parts appearing alternately).

And by configuring a plurality of intermediate wrinkles, the elastic force accumulated in the elastic deformation portion can be further increased.

Additionally, by adding an air flow path, the pressing force on the button can be reduced and the deformation operation of the elastic deformation part can be maintained stably.

Additionally, by adding an access restriction stopper, the amount of cosmetics discharge can be kept constant and the elastic deformation part can be prevented from being damaged by excessive deformation.

Figure 1 is a combined perspective view of a pumping container according to an embodiment of the present invention;
Figure 2 is an exploded perspective view of a pumping container according to an embodiment of the present invention;
Figure 3 is a cross-sectional view taken along line A-A' of Figure 1;
Figure 4 is a perspective view of a spring for a pumping container according to an embodiment of the present invention;
Figures 5, 6, and 7 are diagrams showing a split spring for a pumping container according to an embodiment of the present invention, respectively;
Figure 8 is a diagram showing a pressing unit according to an embodiment of the present invention;
Figure 9 is a diagram showing an opening and closing operation axis according to an embodiment of the present invention;
Figure 10 is a diagram showing the operating state of a pumping container according to an embodiment of the present invention;
Figure 11 is a perspective view of a spring for a pumping container according to another embodiment of the present invention;
Figure 12 is a combined cross-sectional view of a conventional pumping container;
Figure 13 is an exploded cross-sectional view of a conventional pumping container.

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

A pumping container according to an embodiment of the present invention includes a container portion 10, a cylinder 30 installed in the container portion 10, a pressurizing portion 40 installed on the upper side of the cylinder 30, and a pressurizing portion. The button 50 coupled to (40), the opening/closing operation shaft 60 coupled to the pressing portion 40, the spring support member 70 installed between the cylinder 30 and the button 50, and the button ( A spring 100 for a pumping type container installed on the lower side of the cylinder 50, a cylinder piston 91 and a cylinder valve 92 installed inside the cylinder 30, and a container piston 94 installed inside the container part 10. ), a container cap 95 coupled to the container portion 10 to surround the button 50, and an air passage portion that provides an discharge path and an inflow path for air when the spring 100 for a pumping type container is deformed. It has (160) and an access restriction stopper (170) provided on the pressing part (40).

The container portion 10 includes a container bottom portion 11, a tubular container side portion 12 extending upward from the peripheral edge of the container bottom portion 11, and a container neck portion formed at the top of the container side portion 12. It has (14), a shoulder portion (20) coupled to the container neck portion (14), and a spring support member (70) coupled to the shoulder portion (20).

The container bottom portion 11 is manufactured separately from the container side portion 12 and is coupled to the lower end of the container side portion 12.

A container bottom air inlet hole 11a is formed in the container bottom portion 11.

The shoulder portion 20 has a cover portion 21 with a communication hole 21a formed in the center, and a shoulder fastening pipe portion 22 bent downward from the peripheral edge of the cover portion 21.

The shoulder portion 20 is coupled to the container neck portion 14 through the shoulder fastening pipe portion 22 so that the communication hole 21a faces the container bottom surface portion 11.

A storage space (13) is formed between the container piston (94) and the cover portion (21).

The spring support member 70 includes a support member fastening pipe portion 71 in the form of a circular tube, a spring support surface portion 72 extending in a radial direction from the outer surface of the support member fastening pipe portion 71, and a spring support surface portion 72. It has a support member fastening groove forming pipe portion 73 bent downward from the end of the.

The support member fastening groove forming pipe portion 73 forms a support member fastening groove opened downward between the support member fastening pipe portion 71.

The spring support member 70 is coupled to the upper end of the cylinder side part 32, which will be described later, through a support member fastening groove, and is installed to be coupled to the cover part 21 through the support shoulder fastening pipe part 75.

The cylinder 30 includes a cylinder bottom portion 31 with an inlet hole 31a formed in the center, a cylinder side portion 32 in the form of a straight pipe extending upward from the peripheral edge of the cylinder bottom portion 31, and a cylinder side portion. It has a cylinder flange (33) extending radially from the top of (32).

The cylinder 30 is installed in the container portion 10 so that the inlet hole 31a is connected to the storage space 13 and the support member fastening groove forming pipe portion 73 is supported on the upper surface of the cylinder flange 33.

The pressurizing part 40 has a piston pressurizing tube part 41 and a spring support flange 42 extending radially from the top of the piston pressurizing tube part 41.

The pressurizing part 40 is installed so that the lower end of the piston pressurizing pipe part 41 enters the internal space of the cylinder side part 32.

The pressing portion 40 is installed so that the spring support flange 42 faces the spring support surface portion 72.

The button 50 includes a button ceiling surface portion 51, a button side portion 52 extending downward from the peripheral edge of the button ceiling surface portion 51, and a button vertical flow pipe portion 53 formed on the bottom of the button side portion 52. ) has.

The button 50 is coupled to the pressurizing portion fastening pipe portion 47 through the button vertical flow pipe portion 53 and descends toward the container bottom surface portion 11 together with the pressurizing portion 40.

The button 50 is coupled to the pressurizing part fastening pipe part 47 so that the piston pressurizing pipe part 41 is connected to the button vertical flow pipe part 53.

The opening/closing operation shaft 60 has an operation shaft passage pipe portion 61 whose lower end is sealed, and an operation shaft opening/closing portion 62 extending from the lower end of the operation shaft passage pipe portion 61 to be inclined downwardly outward.

The operating shaft passage pipe portion 61 has an operating shaft passage hole 61a formed in an area adjacent to the lower end.

The opening/closing operation shaft 60 is installed inside the cylinder 30 so that the operation shaft passage pipe portion 61 is inserted into the inside of the piston pressure pipe portion 41.

The opening/closing operation shaft 60 is installed so that it is raised and lowered together with the pressurizing portion 40, and the operating shaft flow path pipe portion 61 is connected to the piston pressurizing pipe portion 41.

The spring 100 for a pumping container includes an upper support plate 101 having a circular upper passing hole 101a, a lower support plate 102 disposed below the upper support plate 101, and a bottom surface of the upper support plate 101. An upper circular pipe portion 103 extending in the form of a circular tube from the lower support plate 102 toward the upper support plate 101, and a lower circular pipe portion 104 extending in the form of a circular tube from the upper surface of the lower support plate 102 toward the upper support plate 101. , has an elastic deformation portion 110 formed between the upper circular pipe portion 103 and the lower circular pipe portion 104.

The lower support plate 102 is formed with a circular lower passing hole 102a, and is disposed below the upper supporting plate 101 so that the lower passing hole 102a is aligned with the upper passing hole 101a.

The upper circular pipe portion 103 has an upper pipe convex portion 103a convex downward at the bottom and an upper pipe concave portion 103b extending concavely upward from one end of the upper pipe convex portion 103a along the circumferential direction. formed alternately.

The lower circular pipe portion 104 is formed so that the lower pipe convex portion 104a, which is convex upward at the top, is aligned with the upper pipe concave portion 103b, and the lower pipe concave portion 104b, which is concave downward at the top, is formed in the lower pipe. It is disposed between the convex portions 104a and is formed to be aligned with the upper pipe convex portion 103a.

The elastic deformation portion 110 includes an upper wrinkle portion 120 extending from the upper circular pipe portion 103, a lower wrinkle portion 130 extending from the lower circular pipe portion 104, an upper wrinkle portion 120, and a lower wrinkle portion. It has an intermediate wrinkle part 140 disposed between the parts 130.

The upper wrinkle portion 120 includes an upper wrinkle first slope portion 121 extending from the bottom of the upper circular pipe portion 103 so that the inner angle with respect to the outer surface of the upper circular pipe portion 103 forms an obtuse angle, and an upper wrinkle first slope portion. An upper wrinkle top surface portion 122 extending from the bottom of the first upper wrinkle slope portion 121 so that the inner angle with respect to the portion 121 forms an obtuse angle, and an upper wrinkle so that the inner angle with respect to the upper wrinkle top surface portion 122 forms an obtuse angle. It has an upper wrinkle second inclined surface portion 123 extending from the bottom of the top surface portion 122. In this specification, 'interior angle' refers to the interior angle of a regular polygon and is indicated as 'α' in the drawing.

The first upper wrinkle slope portion 121 is formed so that the upper wrinkle first slope ridge convex portion 121a convex downward at the bottom is aligned with the upper pipe convex portion 103a, and the upper wrinkle member is concave upward at the bottom. The first slope ridge concave portion 121b is disposed between the upper wrinkle first slope crest convex portions 121a and is formed to be aligned with the upper pipe concave portion 103b.

The upper wrinkle top surface portion 122 is formed so that the upper wrinkle top surface ridge convex portion 122a convex downward at the bottom is aligned with the upper pipe convex portion 103a, and the upper wrinkle top surface ridge concave portion is concave upward at the bottom ( 122b) is disposed between the upper wrinkle top surface convex portions 122a and is formed to be aligned with the upper pipe concave portion 103b.

The second upper wrinkle slope portion 123 is formed so that the upper wrinkle second slope bone convex portion 123a convex downward at the bottom is aligned with the upper pipe convex portion 103a, and the upper wrinkle member is concave upward at the bottom. The second slope bone concave portion (123b) is disposed between the upper wrinkle second slope bone convex portions (123a) and is formed to be aligned with the upper crown concave portion (103b).

The lower wrinkle portion 130 includes a lower wrinkle first slope portion 131 extending from the top of the lower circular pipe portion 104 so that the inner angle with respect to the outer surface of the lower circular pipe portion 104 forms an obtuse angle, and a lower wrinkle first slope portion. A lower wrinkle top surface portion 132 extending from the top of the first lower wrinkle slope portion 131 so that the inner angle with respect to the portion 131 forms an obtuse angle, and a lower wrinkle so that the inner angle with respect to the lower wrinkle top surface portion 132 forms an obtuse angle. It has a lower wrinkle second inclined surface portion 133 extending from the top of the top surface portion 132.

The first lower wrinkle slope portion 131 is formed so that the first lower wrinkle slope crest convex portion 131a convex upward at the top is aligned with the upper pipe concave portion 103b, and the lower wrinkle member is concave downward at the top. The first slope ridge concave portion 131b is disposed between the lower wrinkle first slope ridge convex portions 131a and is formed to be aligned with the upper pipe convex portion 103a.

The lower wrinkle top surface portion 132 is formed so that the lower wrinkle top surface ridge convex portion 132a convex upward at the top is aligned with the upper pipe concave portion 103b, and the lower wrinkle top surface ridge concave portion concave downward at the top ( 132b) is disposed between the lower wrinkle top surface crest convex portions 132a and is formed to be aligned with the upper pipe convex portion 103a.

The second lower wrinkle slope portion 133 is formed so that the lower wrinkle second slope bone convex portion 133a convex upward at the top is aligned with the upper pipe concave portion 103b, and the lower wrinkle member is concave downward at the top. The second slope trough concave part 133b is disposed between the lower wrinkle second slope trough convex parts 133a and is formed to be aligned with the upper tube convex part 103a.

The middle wrinkle part 140 has a middle wrinkle top surface 141 in the form of a circular tube, and a middle wrinkle first extending from the top of the middle wrinkle top surface 141 so that the inner angle with respect to the middle wrinkle top surface 141 forms an obtuse angle. It has an inclined surface portion 142 and a second intermediate wrinkle inclined surface portion 143 extending from the bottom of the intermediate wrinkle top surface portion 141 so that an internal angle with respect to the intermediate wrinkle top surface portion 141 forms an obtuse angle.

The middle wrinkle top surface portion 141 is formed by alternating upwardly convex middle wrinkle top surface upper ridge convex portions 141a and downwardly concave middle wrinkle top surface upper ridge concave portions 141b along the circumferential direction.

The middle wrinkle top surface portion 141 is formed so that the middle wrinkle top surface lower ridge convex portion 141c, which is convex downward at the bottom, is aligned with the middle wrinkle top surface upper ridge concave portion 141b, and the middle wrinkle top surface is concave upward at the bottom. The lower ridge concave portion 141d is formed to be aligned with the middle wrinkle top surface upper ridge convex portion 141a.

The first middle wrinkle slope portion 142 is formed so that the first middle wrinkle slope valley convex portion 142a, which is convex upward at the top, is aligned with the middle wrinkle top surface upper ridge convex portion 141a, and is concave downward at the top. The intermediate wrinkle first slope trough concave portion 142b is formed to be aligned with the intermediate wrinkle top surface upper ridge concave portion 141b.

The middle wrinkle second slope portion 143 is formed so that the middle wrinkle second slope valley convex portion 143a, which is convex downward at the bottom, is aligned with the middle wrinkle top surface lower ridge concave portion 141d, and is concave upward at the bottom. The middle wrinkle second slope trough concave portion 143b is formed to be aligned with the middle wrinkle top surface lower ridge concave portion 141d.

In the middle wrinkle portion 140, the middle wrinkle first slope bone convex portion (142a) is connected to the upper wrinkle second slope bone concave portion (123b), and the middle wrinkle first slope bone concave portion (142b) is the upper wrinkle second slope bone convex portion. It is coupled to the upper wrinkle part 120 so as to be connected to the part 123a.

In the middle wrinkle portion 140, the middle wrinkle second slope bone convex portion (143a) is connected to the lower wrinkle second slope bone concave portion (133b), and the middle wrinkle second slope bone concave portion (143b) is the lower wrinkle second slope bone convex portion. It is coupled to the lower wrinkle part 130 so as to be connected to the part 133a.

The spring 100 for a pumping container may be manufactured using thermoplastic elastomer such as TPE (Thermoplastic Polyether Elastomer), TPEE (Thermoplastic Polyether Ester Elastomer), or rubber.

When the button 50 is pressed toward the bottom surface of the container 11 with the spring 100 for a pumping container installed, the upper support plate 101 approaches the lower support plate 102 and an elastic force is applied to the elastic deformation portion 110. It accumulates.

The cylinder piston 91 has a piston close contact portion 91a in the form of a straight pipe, and a piston opening and closing portion 91b in the form of a straight pipe arranged in parallel with the piston close contact portion 91a inside the piston close contact portion 91a.

The cylinder piston 91 is spaced apart from the lower end of the piston pressurizing pipe part 41, the piston contact part 91a is in close contact with the inner surface of the cylinder side part 32, and the piston opening and closing part 91b is attached to the operating shaft opening and closing part 62. installed to make contact.

The cylinder valve 92 has a tubular valve body portion 92a, a valve support arm 92c formed on the inner peripheral surface of the valve body portion 92a, and a sealing protrusion 92b connected to the valve support arm 92c. there is.

The cylinder valve 92 is installed inside the cylinder 30 so that the sealing protrusion 92b seals the inlet hole 31a.

The air passage portion 160 includes a plurality of air passage protrusions 161 distributed on the outer surface of the piston pressurizing pipe portion 41 and the bottom of the spring support flange 42, and an air passage formed on the upper surface of the spring support surface portion 72. It has a groove (162).

The air passage unit 160 provides a path through which the air inside the elastic deformation part 110 is discharged to the outside of the elastic deformation part 110 when the upper support plate 101 approaches the lower support plate 102, and the lower support plate ( When the upper support plate 101 approaching 102) returns to its original position, it provides a path for external air to flow into the elastic deformation portion 110.

The access restriction stopper 170 has a plurality of stopper protrusions 171 formed in a straight line along the longitudinal direction of the piston pressure pipe portion 41 on the upper outer surface of the piston pressure pipe portion 41.

When the upper support plate 101 approaches the lower support plate 102, the lower end of the stopper protrusion 171 contacts the upper end of the support member fastening pipe portion 71, so that the approach distance of the upper support plate 101 to the lower support plate 102 is limited.

A method of using a pumping container according to an embodiment of the present invention having the above-described configuration will be described with reference to FIG. 10 as follows.

First, press the button 50 downward to lower it.

When the button 50 is lowered, the upper support plate 101 approaches the lower support plate 102, and elastic force is accumulated in the elastic deformation portion 110.

And when the button 50 is lowered, the liquid contents stored inside the cylinder 30 are moved through the operation shaft passage hole 61a, the operation shaft passage pipe portion 61, the piston pressure pipe portion 41, and the button vertical passage through the following operation. It is discharged to the outside through the pipe 53.

1) The opening/closing operation shaft 60 begins to descend together with the button 50, and the cylinder piston 91 begins to descend later than the opening/closing operation shaft 60.

2) As the cylinder piston (91) descends later than the opening/closing operation shaft (60), the space between the operation shaft opening/closing portion (62) and the piston opening/closing portion (91b) is opened.

3) As the cylinder piston 91 descends, the inside of the cylinder 30 becomes a positive pressure state. Positive pressure means a state of pressure higher than atmospheric pressure.

4) When the inside of the cylinder 30 is in a positive pressure state, the inlet hole 31a is closed by the cylinder valve 92 .

When the action of pressing the button 50 is stopped, the button 50 rises due to the elastic force accumulated in the elastic deformation portion 110.

While the button 50 rises, the liquid contents stored in the container unit 10 flow into the interior of the cylinder 30 through the inlet hole 31a through the following operation.

1) The opening/closing operation shaft 60 begins to rise together with the button 50, and the cylinder piston 91 begins to rise later than the opening/closing operation shaft 60.

2) As the cylinder piston 91 rises later than the opening/closing operation shaft 60, the space between the operation shaft opening/closing portion 62 and the piston opening/closing portion 91b is closed.

3) As the cylinder piston 91 rises, the inside of the cylinder 30 becomes negative pressure. Negative pressure means a state of pressure lower than atmospheric pressure.

4) When the inside of the cylinder 30 is in a negative pressure state, the inlet hole 31a is opened by the cylinder valve 92, and the liquid contents stored in the container portion 10 enters the cylinder through the inlet hole 31a. flows into the interior of (30).

When the liquid content stored in the container portion 10 flows into the inside of the cylinder 30, the container piston 94 rises, and thus the liquid content flows into the inside of the cylinder 30 smoothly.

As described above, the principle of discharging the liquid contents stored in the container unit 10 through the pressing operation of the button 50 is widely known in the past, so a detailed description will be omitted.

Meanwhile, in the above-described embodiment, the elastic deformation portion 110 is configured to include one intermediate wrinkle portion 140, but as shown in FIG. 11, the elastic deformation portion is configured to include a plurality of intermediate wrinkle portions 140. Thus, the present invention can be practiced.

When there are multiple middle wrinkles 140, the structure of the upper wrinkles 120 and the lower wrinkles 130, the connection between the upper wrinkles 120 and the middle wrinkles 140, and the lower wrinkles 130 and The connection between the middle wrinkles 140 is the same as that of the pumping container according to an embodiment of the present invention described above.

When there are a plurality of middle wrinkles 140, the middle wrinkles 140 are connected to the middle wrinkle 2nd slope trough convex part 143a to the middle wrinkle 1st slope trough concave part 142b, and the middle wrinkle 2nd slope trough convex part 143a. The neck portion 143b is coupled to be connected to the middle wrinkle first slope bone convex portion 142a.

In the above-described embodiment, the upper wrinkle top surface portion 122, the lower wrinkle top surface portion 132, and the middle wrinkle top surface portion 141 are all formed in a flat shape (based on the cross section along the height direction of the container portion). , at least one of the upper wrinkle top surface portion 122, the lower wrinkle top surface portion 132, and the middle wrinkle top surface portion 141 is formed in a convex shape, or the upper wrinkle top surface portion 122, the lower wrinkle top surface portion 132, and the middle The present invention can be implemented by forming the entire wrinkle top surface portion 141 in a convex shape.

10: container part 11: container bottom part
12: container side portion 20: shoulder portion
21: cover part 22: shoulder fastening pipe part
30: cylinder 40: pressurizing part
50: Button 51: Button ceiling surface part
60: Opening/closing operation shaft 70: Spring support member
71: Spring support surface 91: Cylinder piston
92: Cylinder valve 100: Spring for pumping container
101: upper support plate 102: lower support plate
103: upper circular pipe portion 104: lower circular pipe portion
110: elastic deformation part 120: upper wrinkle part
130: lower wrinkle part 140: middle wrinkle part

Claims (5)

An upper support plate on which a circular upper passage hole is formed, a lower support plate on which a circular lower passage hole is formed and disposed below the upper support plate so that the lower passage hole is aligned with the upper passage hole, and the upper support plate can access the lower support plate. In the spring for a pumping container having an elastic deformation part that is deformed to accumulate elastic force,
It extends in the form of a circular tube from the bottom of the upper support plate toward the lower support plate, and at the bottom, an upper pipe convex portion is convex downward and an upper pipe concave portion extends concavely upward from one end of the upper pipe convex portion along the circumferential direction. Alternately formed upper circular pipe portions, and a lower pipe convex portion extending in the form of a circular pipe from the upper surface of the lower support plate toward the upper support plate and convex upward at the upper end are formed to be aligned with the upper pipe concave portion, and are formed at the upper end in a downward direction. A concave lower pipe concave portion is disposed between the lower pipe convex portions and includes a lower circular pipe portion formed to be aligned with the upper pipe convex portion;
The elastic deformation portion extends from the bottom of the upper circular pipe portion so that the inner angle with respect to the outer surface of the upper circular pipe portion forms an obtuse angle, and at the lower end, a downwardly convex upper wrinkle first slope crest convex portion is formed to be aligned with the upper pipe convex portion. And at the bottom, the upper wrinkle first slope ridge concave portion concave upward is disposed between the upper wrinkle first slope ridge convex portion and is formed to be aligned with the upper pipe concave portion and the upper wrinkle first slope portion. It extends from the bottom of the upper wrinkle first slope portion so that the internal angle with respect to the portion forms an obtuse angle, and at the lower end, a downwardly convex upper wrinkle top surface ridge convex portion is formed to align with the upper pipe convex portion, and at the lower end is an upper wrinkle top surface that is concave upward. A ridge concave portion is disposed between the upper wrinkle top surface crest convex portions and extends from the bottom of the upper wrinkle top surface portion such that an inner angle of the upper wrinkle top surface portion and the upper wrinkle top surface portion formed to align with the upper pipe concave portion forms an obtuse angle, At the lower end, the upper wrinkle second slope trough convexity convex downward is formed to be aligned with the upper pipe convexity, and at the lower end, the upper wrinkle second slope trough concave concave upward is disposed between the upper wrinkle second slope trough convex parts. and an upper wrinkle portion having a second inclined surface portion of the upper wrinkle formed to align with the upper pipe concave portion, and an inner angle with respect to the outer surface of the lower circular pipe portion extending from the upper end of the lower circular pipe portion to form an obtuse angle, and an upward direction at the upper end. A convex lower wrinkle first slope ridge convex portion is formed to be aligned with the upper pipe concave portion, and at the upper end, a downwardly concave first lower wrinkle ridge concave portion is disposed between the lower wrinkle first inclined surface ridge convex portions, and the upper pipe A lower wrinkle top slope portion formed to align with the convex portion extends from the top of the lower wrinkle first slope portion so that an internal angle of the lower wrinkle first slope portion forms an obtuse angle, and a lower wrinkle top surface ridge convex portion is convex upward at the top. A lower wrinkle top surface portion formed to be aligned with the upper pipe concave portion and concave downward at the upper end thereof is disposed between the lower wrinkle top surface ridge convex portions and formed to be aligned with the upper pipe convex portion and the lower wrinkle. It extends from the top of the lower wrinkle top surface so that the internal angle with respect to the normal surface forms an obtuse angle, and at the top, a lower wrinkle second slope valley convex portion that is convex upward is formed to be aligned with the upper pipe concave portion, and a lower part that is concave downward at the top. a lower wrinkle portion having a second lower wrinkle slope portion formed so that the second wrinkle second slope trough concave portion is disposed between the lower wrinkle second slope trough convex portions and is aligned with the upper pipe convex portion; It is formed in the form of a circular tube, and at the top, the upper ridge of the upper ridge of the middle wrinkle normal surface is convex and the lower ridge of the upper ridge of the middle wrinkle normal surface is concave in the downward direction, forming alternately along the circumferential direction. A convex portion is formed to be aligned with the mid-wrinkle top surface upper ridge concave, and at the bottom, a mid-wrinkle top surface lower ridge concave concave upwardly is formed to be aligned with the mid-wrinkle top surface upper ridge convex, and the middle wrinkle top surface portion. The inner angle to the middle wrinkle top surface extends from the top to form an obtuse angle, and at the top, the upwardly convex first slope trough convex portion is formed to be aligned with the middle wrinkle top surface upper ridge convex portion, and the top is concave downward. The first intermediate wrinkle slope trough concave portion is formed to be aligned with the upper ridge concave portion of the intermediate wrinkle top surface and extends from the bottom of the intermediate wrinkle top surface portion so that the inner angle with respect to the intermediate wrinkle top surface portion forms an obtuse angle, and the lower end portion At the bottom, the downwardly convex middle wrinkle second slope trough convex portion is formed to be aligned with the middle wrinkle top surface lower ridge concave, and at the bottom, the upwardly concave second middle wrinkle trough trough concave portion is aligned with the middle wrinkle top surface lower ridge concave. The middle wrinkle second slope portion is formed so as to be formed, and in the upper wrinkle portion, the middle wrinkle first slope trough convex portion is connected to the upper wrinkle second slope trough concave portion, and the middle wrinkle first slope trough concave portion is connected to the upper wrinkle second slope trough. It is coupled to be connected to the lower wrinkle part, and the middle wrinkle second slope bone convex part is connected to the lower wrinkle second slope bone concave part, and the middle wrinkle second slope bone concave part is the lower wrinkle second slope bone convexity. A spring for a pumping container, characterized in that it includes an intermediate wrinkle part coupled to be connected to the part. An upper support plate on which a circular upper passage hole is formed, a lower support plate on which a circular lower passage hole is formed and disposed below the upper support plate so that the lower passage hole is aligned with the upper passage hole, and the upper support plate can access the lower support plate. In the spring for a pumping container having an elastic deformation part that is deformed to accumulate elastic force when
It extends in the form of a circular tube from the bottom of the upper support plate toward the lower support plate, and at the bottom, an upper pipe convex portion is convex downward and an upper pipe concave portion extends concavely upward from one end of the upper pipe convex portion along the circumferential direction. Alternately formed upper circular pipe portions, and a lower pipe convex portion extending in the form of a circular pipe from the upper surface of the lower support plate toward the upper support plate and convex upward at the upper end are formed to be aligned with the upper pipe concave portion, and are formed at the upper end in a downward direction. A concave lower pipe concave portion is disposed between the lower pipe convex portions and includes a lower circular pipe portion formed to be aligned with the upper pipe convex portion;
The elastic deformation portion extends from the bottom of the upper circular pipe portion so that the inner angle with respect to the outer surface of the upper circular pipe portion forms an obtuse angle, and at the lower end, a downwardly convex upper wrinkle first slope crest convex portion is formed to be aligned with the upper pipe convex portion. And at the bottom, the upper wrinkle first slope ridge concave portion concave upward is disposed between the upper wrinkle first slope ridge convex portion and is formed to be aligned with the upper pipe concave portion and the upper wrinkle first slope portion. It extends from the bottom of the upper wrinkle first slope portion so that the internal angle with respect to the portion forms an obtuse angle, and at the lower end, a downwardly convex upper wrinkle top surface ridge convex portion is formed to align with the upper pipe convex portion, and at the lower end is an upper wrinkle top surface that is concave upward. A ridge concave portion is disposed between the upper wrinkle top surface crest convex portions and extends from the bottom of the upper wrinkle top surface portion such that an inner angle of the upper wrinkle top surface portion and the upper wrinkle top surface portion formed to align with the upper pipe concave portion forms an obtuse angle, At the lower end, the upper wrinkle second slope trough convexity convex downward is formed to be aligned with the upper pipe convexity, and at the lower end, the upper wrinkle second slope trough concave concave upward is disposed between the upper wrinkle second slope trough convex parts. and an upper wrinkle portion having a second inclined surface portion of the upper wrinkle formed to align with the upper pipe concave portion, and an inner angle with respect to the outer surface of the lower circular pipe portion extending from the upper end of the lower circular pipe portion to form an obtuse angle, and an upward direction at the upper end. A convex lower wrinkle first slope ridge convex portion is formed to be aligned with the upper pipe concave portion, and at the upper end, a downwardly concave first lower wrinkle ridge concave portion is disposed between the lower wrinkle first inclined surface ridge convex portions, and the upper pipe A lower wrinkle top slope portion formed to align with the convex portion extends from the top of the lower wrinkle first slope portion so that an internal angle of the lower wrinkle first slope portion forms an obtuse angle, and a lower wrinkle top surface ridge convex portion is convex upward at the top. A lower wrinkle top surface portion formed to be aligned with the upper pipe concave portion and concave downward at the upper end thereof is disposed between the lower wrinkle top surface ridge convex portions and formed to be aligned with the upper pipe convex portion and the lower wrinkle. It extends from the top of the lower wrinkle top surface so that the internal angle with respect to the normal surface forms an obtuse angle, and at the top, a lower wrinkle second slope valley convex portion that is convex upward is formed to be aligned with the upper pipe concave portion, and a lower part that is concave downward at the top. a lower wrinkle portion having a second lower wrinkle slope portion formed so that the second wrinkle second slope trough concave portion is disposed between the lower wrinkle second slope trough convex portions and is aligned with the upper pipe convex portion; It is formed in the form of a circular tube, and at the top, the upper ridge of the upper ridge of the middle wrinkle normal surface is convex and the lower ridge of the upper ridge of the middle wrinkle normal surface is concave in the downward direction, forming alternately along the circumferential direction. A convex portion is formed to be aligned with the mid-wrinkle top surface upper ridge concave, and at the bottom, a mid-wrinkle top surface lower ridge concave concave upwardly is formed to be aligned with the mid-wrinkle top surface upper ridge convex, and the middle wrinkle top surface portion. The inner angle to the middle wrinkle top surface extends from the top to form an obtuse angle, and at the top, the upwardly convex first slope trough convex portion is formed to be aligned with the middle wrinkle top surface upper ridge convex portion, and the top is concave downward. The first intermediate wrinkle slope trough concave portion is formed to be aligned with the upper ridge concave portion of the intermediate wrinkle top surface and extends from the bottom of the intermediate wrinkle top surface portion so that the inner angle with respect to the intermediate wrinkle top surface portion forms an obtuse angle, and the lower end portion At the bottom, the downwardly convex middle wrinkle second slope trough convex portion is formed to be aligned with the middle wrinkle top surface lower ridge concave, and at the bottom, the upwardly concave second middle wrinkle trough trough concave portion is aligned with the middle wrinkle top surface lower ridge concave. each has a second middle wrinkle slope portion formed so as to be formed, and in the upper wrinkle portion, the first middle wrinkle slope trough convex portion is connected to the second upper wrinkle slope trough concave portion, and the middle wrinkle first slope trough concave portion is connected to the second upper wrinkle portion. The middle wrinkle second slope bone convex part is connected to the lower wrinkle second slope bone convex part and the middle wrinkle second slope bone concave part is connected to the lower wrinkle second slope bone concave part. They are coupled to be connected to the convex portions and each other is such that the intermediate wrinkle second slope trough convexity is connected to the intermediate wrinkle first slope trough concave portion and the intermediate wrinkle second slope trough concave portion is connected to the intermediate wrinkle first slope trough convexity. A spring for a pumping container, characterized in that it includes a plurality of intermediate wrinkles that are coupled. A container portion providing a storage space having a tubular container side portion extending upward from the container bottom portion and the peripheral edge of the container bottom portion, and a cylinder bottom portion with an inlet hole formed in the center and a peripheral edge of the cylinder bottom portion. A cylinder has a cylinder side portion in the form of a straight pipe extending upward and is installed in the container portion so that the inlet hole is connected to the storage space, and has a piston pressure pipe portion, and the lower end of the piston pressure pipe portion enters the inner space of the cylinder side portion. The button vertical passage pipe portion has a pressing portion installed on the upper side of the cylinder, a button ceiling surface portion and a button side portion extending downward from a peripheral edge of the button ceiling surface portion, and a button vertical passage pipe portion formed on the bottom of the button side portion so as to A button connected to the piston pressurizing tube and coupled to the pressurizing part so that it can be raised and lowered together with the pressurizing part, a working shaft flow pipe part formed in a tube shape with a closed lower end and an operating shaft flow hole, and the working shaft flow pipe part It has an operating shaft opening and closing portion extending outward from the bottom, an opening and closing operating shaft coupled to the pressing portion such that the operating shaft opening and closing portion is raised and lowered together with the pressurizing portion and the operating shaft flow pipe portion is connected to the piston pressing pipe portion, and a piston close contact portion in the form of a straight pipe. Inside the piston adhesion portion, there is a piston opening and closing portion in the form of a straight tube disposed in parallel with the piston adhesion portion and spaced apart from the lower end of the piston pressure pipe portion, and the piston adhesion portion is in close contact with the inner surface of the cylinder side portion, and the piston opening and closing portion is in close contact with the inner surface of the cylinder side portion. A cylinder piston installed inside the cylinder to contact the operating shaft opening and closing portion, and the inlet hole is sealed when the opening and closing operation shaft and the cylinder piston descend, and the inlet hole is closed when the opening and closing operation shaft and the cylinder piston rise. In a pumping container having a cylinder valve installed inside the cylinder to open, and a pumping container spring installed to surround the piston pressurizing pipe portion and accumulating elastic force when the button is pressed toward the bottom of the container,
A pumping container, characterized in that the spring for the pumping container is the spring according to claim 1 or claim 2. In claim 3,
When the upper support plate approaches the lower support plate, the air inside the elastic deformation portion provides a path through which the air inside the elastic deformation portion is discharged to the outside of the elastic deformation portion, and when the upper support plate approaching the lower support plate returns to its original position, the outside air causes the elastic deformation portion. A pumping container, characterized in that it further includes an air flow path that provides a path to flow into the interior of the unit. In claim 3,
A pumping container, characterized in that it further comprises an access restriction stopper that limits the approach distance of the upper support plate to the lower support plate when the upper support plate approaches the lower support plate.

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