KR102619989B1 - Pumping apparatus - Google Patents

Abstract

The pumping device according to an embodiment of the present invention includes a discharge port that discharges the contents contained in the container to the outside, a communication pipe provided with a communication path inside connected to the discharge port, and a guide side wall that guides the up and down movement of the communication pipe. A head part, a foam generating part including a first mesh disposed in the head part to change the contents into foam, and a second mesh disposed on the first mesh and made of a sponge, connected to the head part, and the contents It may include a cap part to prevent leakage, a piston part provided inside the cap part to lift the contents from the container, and a housing fastened to the cap part and accommodating the piston part to control the discharge amount of the contents. there is.

Description

Pumping apparatus

The present invention relates to pumping devices.

In general, a foam ejection type pumping device is a device that ejects the liquid content in a foam state by appropriately mixing air with the liquid content, and is installed in a container filled with the liquid content. This foam ejection type pumping device is used for various purposes such as hair mousse, shaving foam, foaming cleanser, etc. depending on the type of liquid content.

A conventional foam ejection type pumping device includes a pumping unit that pumps liquid contents, an air mixing unit that mixes air with the liquid contents pumped by the pumping unit, and a foam generating unit.

However, the conventional foam ejection type pumping device has a disadvantage in that the assembly process is very complicated and the manufacturing cost is high because the pumping part is complicatedly composed of a plurality of coil springs, a plurality of ball valves, etc.

Developed based on the above technical background, an embodiment of the present invention seeks to provide a pumping device that can reduce costs by simplifying the assembly process.

The pumping device according to an embodiment of the present invention includes a discharge port that discharges the contents contained in the container to the outside, a communication pipe provided with a communication path inside connected to the discharge port, and a guide side wall that guides the up and down movement of the communication pipe. A head part, a foam generating part including a first mesh disposed in the head part to change the contents into foam, and a second mesh disposed on the first mesh and made of a sponge, connected to the head part, and the contents It may include a cap part to prevent leakage, a piston part provided inside the cap part to lift the contents from the container, and a housing fastened to the cap part and accommodating the piston part to control the discharge amount of the contents. there is.

The cap portion includes an upper cap inserted between the communication pipe and the guide side wall, a first side wall having a larger diameter than the upper cap and connected to the upper cap, and having an inclined surface at the bottom of the outer surface, and a predetermined distance between the first side wall and the first side wall. It is disposed on the outer peripheral surface of the first side wall so as to be spaced apart from each other by a distance, and includes a second side wall provided with a protruding stopper protruding on the inside to face the inclined surface, and a cap connection portion connecting the upper cap, the first side wall, and the second side wall. You can.

The upper part of the piston part is inserted into the communication pipe, the lower part is an air piston part inserted between the first side wall and the second side wall and fixed by the inclined surface, and the air piston part is fastened to the air piston part and moves the contents therein. A shaft provided with a moving passage, a spring provided on the outer peripheral surface of the shaft to restore the position of the head portion and the shaft, and connected to the lower end of the shaft to pull the contents to the discharge port by the up and down movement of the shaft. It may include a discharge piston that raises.

The air piston part is disposed inside the cap part, a first air piston part inserted between the head part and the outer peripheral surface of the first mesh, extending from the first air piston part, and disposed in the cap connection part and the first side wall. It may include a second air piston part and a third air piston part extending from an end of the second air piston part, the upper end of which is fixed to the inclined surface, and the lower end of which is in contact with the inner wall of the housing.

The top of the housing may be inserted between the first side wall and the second side wall and fixed by the protruding stopper.

The housing accommodates and secures the lower end of the spring and may further include a separation prevention portion that prevents the piston portion from being separated.

It may further include a backflow prevention valve provided at the inner lower part of the housing to prevent backflow of the contents.

According to any one of the above-described means for solving the problems of the present invention, the pumping device according to an embodiment of the present invention has a simple assembly process and can reduce costs.

Figure 1 is a perspective view showing a pumping device according to an embodiment of the present invention.
Figure 2 is a cross-sectional view of the pumping device shown in Figure 1.
Figure 3 is an enlarged view of area A of Figure 2.
Figure 4 is an enlarged view of area B of Figure 2.

Hereinafter, with reference to the attached drawings, embodiments of the present invention will be described in detail so that those skilled in the art can easily implement the present invention. The present invention may be implemented in many different forms and is not limited to the embodiments described herein. In order to clearly explain the present invention in the drawings, parts not related to the description are omitted, and identical or similar components are given the same reference numerals throughout the specification.

In this specification, terms such as “comprise” or “have” are intended to designate the presence of features, numbers, steps, operations, components, parts, or combinations thereof described in the specification, but are not intended to indicate the presence of one or more other features. It should be understood that this does not exclude in advance the possibility of the existence or addition of elements, numbers, steps, operations, components, parts, or combinations thereof. Additionally, when a part of a layer, membrane, region, plate, etc. is said to be “on” another part, this includes not only cases where it is “directly above” the other part, but also cases where there is another part in between. Conversely, when a part of a layer, membrane, region, plate, etc. is said to be “beneath” another part, this includes not only cases where it is “immediately below” another part, but also cases where there is another part in between.

Figure 1 is a perspective view showing a pumping device according to an embodiment of the present invention, Figure 2 is a cross-sectional view of the pumping device shown in Figure 1, Figure 3 is an enlarged view of area A of Figure 2, and Figure 4 is an enlarged view of area A of Figure 2. This is an enlarged view of area B in Figure 2.

Referring to Figures 1 to 4, the pumping device 1000 according to an embodiment of the present invention includes a head part 100, a foam generating part 200, a cap part 300, a piston part 400, and a housing 500. ) and a backflow prevention valve 600.

The head unit 100 can eject bubbles to the outside. The head portion 100 may be movable up and down along the cap portion 300. To this end, the head unit 100 may include an outlet 110, a communication pipe 130, and a guide side wall 150.

The discharge port 110 may discharge the contents contained within the container to the outside. The discharge port 110 may be a nozzle. The discharge port 110 may be connected to the communication passage 131, which is a passage through which the contents move.

The communication pipe 130 may be connected to the discharge port 110. The communication pipe 130 may be provided with a communication path 131 connected to the discharge port 110 therein. The communication passage 131 functions as a movement passage that moves the contents contained in the container to the discharge port 110.

The guide side wall 150 may be provided on the outside of the communication pipe 130. The guiding side wall 150 can guide the up and down movement of the head portion 100. The guide side wall 150 can guide the up and down movement of the communication pipe 130. Depending on the vertical movement of the head portion 100, the upper cap 310 may be inserted or withdrawn into the inner side of the guide side wall 150.

The foam generating unit 200 can change the form of the contents contained in the container into foam. The bubble generating unit 200 may include a first mesh 210 and a second mesh 230. The first mesh 210 and the second mesh 230 may be disposed within the communication pipe 130.

The first mesh 210 may include a holder and a mesh body. For example, the contents may be mixed with air in the holder of the first mesh 210 and then changed into a bubble form by passing through the mesh sieve. The mesh may be in the form of a mesh containing a plurality of air pores.

The second mesh 230 may be placed on the first mesh 210 . The content that has passed through the first mesh 210 can generate more abundant foam by passing through the second mesh 230. For example, the second mesh 230 may be a sponge. Many fine air holes may be formed in the second mesh 230. The air holes of the second mesh 230 may be smaller than those of the mesh. The bubbles that pass through the first mesh 210 may additionally pass through a finer second mesh 230. Accordingly, the foam generating unit 200 can discharge more abundant foam into the discharge port 110.

The cap portion 300 may be connected to the head portion 100 and the housing 500. The cap portion 300 can block leakage of contents. To this end, the cap portion 300 may include an upper cap 310, a first side wall 330, a second side wall 350, and a cap connection portion 370.

The upper cap 310 may be disposed between the communication pipe 130 and the guide side wall 150. For example, when the head portion 100 descends, the upper cap 310 may be inserted into the space between the communication pipe 130 and the guide side wall 150. A detachable stopper 700 may be additionally provided on the outer peripheral surface of the upper cap 310. The stopper 700 can prevent the head unit 100 from descending due to external shock when not in use.

The first side wall 330 has a larger diameter than the upper cap 310 and may be disposed below the upper cap 310. For example, the first side wall 330 may be arranged in parallel with the upper cap 310 and may be connected to the cap connection portion 370. That is, the cap connection portion 370 may be connected in a vertical direction from the bottom of the upper cap 310 and connected to the top of the first side wall 330. The first side wall 330 may include an inclined surface 331 provided at the bottom of the outer surface. The inclined surface 331 may be formed to be inclined inward from the outer surface of the first side wall 330 . For example, the inclined surface 331 may be formed along the outer peripheral surface of the first side wall 330. Accordingly, the air piston unit 410 can be connected more stably.

The second side wall 350 may be disposed on the outside of the first side wall 330 to be spaced apart from the first side wall 330 by a predetermined distance. For example, the inner diameter of the second side wall 350 may be larger than the outer diameter of the first side wall 330. The second side wall 350 may be provided parallel to the first side wall 350 along the circumference of the first side wall 330 . The top of the first side wall 330 and the top of the second side wall 350 may be connected by a cap connection portion 370. Accordingly, a fastening space into which the housing 500 can be fastened may be formed between the first side wall 330 and the second side wall 350.

The second side wall 350 may include a protruding stopper 351 provided at the inner bottom. The protruding stopper 351 may be provided to face the inclined surface 331. The protrusion stopper 351 may be formed to protrude in the direction of the inclined surface 331.

The cap connection part 370 may connect the upper cap 310, the first side wall 330, and the second side wall 350. The cap connection portion 370 may connect the lower end of the upper cap 310 and the upper ends of the first side wall 330 and the second side wall 350.

The piston unit 400 may be provided inside the cap unit 300. The piston unit 400 can pull up contents from the container. To this end, the piston unit 400 may include an air piston unit 410, a shaft 420, a spring 430, and a discharge piston 440.

The upper part of the air piston unit 410 may be inserted into the communication pipe 130. The lower part of the air piston unit 410 may be inserted between the first side wall 330 and the second side wall 350 and fixed by the inclined surface 331. For example, the air piston unit 410 may include a first air piston unit 411, a second air piston unit 412, and a third air piston unit 415.

The first air piston unit 411 may be disposed inside the cap unit 300. The upper end of the first air piston unit 411 may be inserted between the head unit 100 and the outer peripheral surface of the first mesh 210. An insertion hole for inserting the upper end of the piston unit 420 may be formed inside the lower end of the first air piston unit 411.

The second air piston part 412 extends from the first air piston part 411 and may be disposed within the cap connection part 370 and the first side wall 330. One end of the second air piston part 412 protrudes upward and comes into contact with the cap connection part 370 to support the cap connection part 370. The diameter of the second air piston unit 412 may become larger as the distance from the first air piston unit 411 increases.

The third air piston unit 415 may be connected to the end of the second air piston unit 412. The cross section of the third air piston part 415 may include an upper air piston part 415a and a lower air piston part 415b formed symmetrically in the upper and lower directions from the center connected to the second air piston part 412. You can. For example, one side of the upper air piston portion 415a may be formed to be inclined to correspond to the inclined surface 331. Accordingly, the upper air piston part 415a can be inserted between the inclined surface 331 of the first side wall 330 and the housing 500. The lower air piston portion 415b is formed symmetrically with the upper air piston portion 415a, and one side may contact the inner wall of the housing 500. For example, the third air piston unit 415 may be formed along the inner peripheral surface of the housing 500 while contacting the inner wall of the housing 500. Accordingly, the third air piston unit 415 can descend while rubbing against the inner wall of the housing 500 when the head unit 100 is lowered, and can compress the air inside the housing 500. Additionally, leakage of contents can be prevented by the above-described structure.

The shaft 420 may serve as an axis of the piston unit 400. The shaft 420 may be connected to the head portion 100 through the air piston portion 410. The inside of the shaft 420 may be provided with a moving passage for moving the contents. Accordingly, the shaft 420 can serve as a passage so that the contents can flow to the outside using the internal movement passage.

The spring 430 may be provided on the outer peripheral surface of the shaft 420. The upper end of the spring 430 may be fixed to the shaft 420, and the lower end may be fixed to the housing 500. The spring 430 may have elastic force. Accordingly, the head unit 100, air piston unit 410, shaft 420, and discharge piston 440 can be restored to their original positions after discharging the contents.

In one embodiment of the present invention, since the spring 430 is provided on the outer peripheral surface of the shaft 420, it is possible to prevent the spring 430 from contacting the contents. Accordingly, damage to the contents can be prevented.

The discharge piston 440 may be connected to the lower end of the shaft 420. The discharge piston 440 can pull the contents up to the discharge port 110 by moving the shaft 420 up and down. The discharge piston 440 may be provided inside the upper part of the second body portion 520 of the housing 500. The discharge piston 440 may include a piston support portion 441 and a coupling portion 443.

The piston support portion 441 may contact the upper inner side of the second body portion 520 and descend while rubbing against the inner wall of the housing 500. Accordingly, one embodiment of the present invention can prevent leakage of contents.

The coupling portion 443 extends from the piston support portion 441 and may be coupled to the lower end of the shaft 420. A coupling protrusion 425 protruding from the side may be provided at the bottom of the shaft 420. The coupling portion 443 is engaged with the coupling protrusion 425 to prevent the piston portion 400 from being separated from the second body portion 520 while the shaft 420 is restored to the upper portion by the spring 430. You can.

The housing 500 may be fastened to the cap portion 300. The housing 500 can accommodate the piston unit 400 to control the discharge amount of the contents. The housing 500 may include a first body portion 510, a second body portion 520, a separation prevention portion 530, and a third body portion 550.

The first body portion 510 is connected to the cap portion 300 and can accommodate the air piston portion 410, shaft 420, and spring 430 inside. To this end, the first body portion 510 may include a fastening portion 511, a support portion 513, and a separation prevention portion 515. The fastening part 511 is provided at the top of the first body 510 and can be inserted between the first side wall 330 and the second side wall 350. The fastening part 511 may be provided with a fastening stopper 511a protruding outward at the end. The fastening stopper 511a protrudes in different directions from the protruding stopper 351 and may be arranged to be staggered. The support portion 513 may protrude from the outer surface of the fastening portion 511 and support the lower end of the second side wall 350 . Accordingly, the housing 500 and the cap part 300 can be fastened in a double airtight structure outside the air piston part 410. Accordingly, the contents can be prevented from leaking to the outside.

The second body 520 may be connected to the lower end of the first body 510. The second body 520 has a smaller diameter than the first body 510 and can be inserted into the container. The top of the second body 520 may be positioned higher than the bottom of the first body 510. Accordingly, the first body 510 has an inclined surface and may be connected to the second body 520.

The separation prevention part 530 may be provided between the first body part 510 and the second body part 520. The separation prevention unit 530 can accommodate and secure the lower end of the spring 430. In one embodiment of the present invention, the separation prevention portion 530 is provided to prevent the shaft 420 from being separated from the second body portion 520 by the restoring force of the spring 430.

The third body 550 may be connected to the lower end of the second body 520. The third body 550 has a smaller diameter than the second body 520 and can be inserted into the container together with the second body 520. In this case, a nozzle extending to the bottom of the container may be connected to the third body portion 550.

The backflow prevention valve 600 may be stored in a valve storage unit provided inside the housing 500. The valve storage portion may be provided recessed in the lower surface of the second body portion 520. The backflow prevention valve 600 may perform the function of preventing backflow of contents.

Through the above-described structure, an embodiment of the present invention can provide a pumping device that can reduce the number of parts, simplify the assembly process, and reduce costs.

Although one embodiment of the present invention has been described above, the spirit of the present invention is not limited to the embodiment presented in the present specification, and those skilled in the art who understand the spirit of the present invention can add components within the scope of the same spirit. , other embodiments can be easily proposed by change, deletion, addition, etc., but this will also be said to be within the scope of the present invention.

1000: Pumping device
100: head part 110: discharge port
130: Communication Hall 131: Communication Road
150: Guide side wall 200: Bubble generating part
210: first mesh 230: second mesh
300: cap part 310: upper cap
330: first side wall 331: slope
350: second side wall 350: protruding stopper
370: cap connection 400: piston part
410: Air piston part 411: First air piston part
412: Second air piston part 415: Third air piston part
420: Shaft 430: Spring
440: Discharge piston 500: Housing
530: Breakaway prevention unit 600: Backflow prevention valve

Claims (5)

A head portion including a discharge port for discharging the contents contained in the container to the outside, a communication pipe provided with a communication path inside connected to the discharge port, and a guide side wall for guiding the upward and downward movement of the communication pipe;
a foam generating unit including a first mesh disposed in the head portion to change the contents into foam and a second mesh disposed on the first mesh and made of a sponge;
A cap portion connected to the head portion and preventing leakage of the contents;
A piston part provided inside the cap part to lift the contents from the container;
A housing that is fastened to the cap portion and accommodates the piston portion to control the discharge amount of the contents;
A backflow prevention valve stored in the valve storage unit provided inside the housing to prevent backflow of contents;
It includes a stopper that is detachably mounted on the outer peripheral surface of the upper cap of the cap portion and prevents the head portion from descending when the popping device is not in use,
The cap part,
an upper cap inserted between the communication tube and the guide side wall;
A first side wall having a larger diameter than the upper cap, connected to the upper cap, formed at the bottom of the outer surface, and inclined inward from the outer surface and provided with an inclined surface to stably connect the air piston unit;
a second side wall disposed on an outer peripheral surface of the first side wall to be spaced a predetermined distance apart from the first side wall, and having a protruding stopper protruding on the inside to face the inclined surface; and
It includes a cap connection part connecting the upper cap, the first side wall, and the second side wall,
A fastening space into which the housing can be fastened is formed between the first side wall and the second side wall,
It is formed at the inner bottom of the second side wall and is provided to face the inclined surface and includes a protruding stopper formed to protrude in the direction of the inclined surface,
The piston part,
an air piston part whose upper part is inserted into the communication pipe and whose lower part is inserted between the first and second side walls and fixed by the inclined surface;
A shaft fastened to the air piston unit and provided with a moving passage for moving the contents therein;
a spring provided on the outer peripheral surface of the shaft to restore the positions of the head portion and the shaft; and
It includes a discharge piston connected to the lower end of the shaft and pulling the contents to the discharge port by up and down movement of the shaft,
The air piston part,
a first air piston part disposed inside the cap part and inserted between the head part and the outer peripheral surface of the first mesh;
a second air piston part extending from the first air piston part and disposed within the cap connection part and the first side wall; and
A third air piston unit extending from the end of the second air piston unit, the upper end of which is fixed to the inclined surface, and the lower end of which is in contact with the inner wall of the housing ,
The cross section of the third air piston part includes an upper air piston part and a lower air piston part formed symmetrically in the upper and lower directions from the center connected to the second air piston part,
One side of the upper air piston part is inclined to correspond to the inclined surface and is inserted between the inclined surface of the first side wall and the housing, and the lower air piston is formed symmetrically with the upper air piston part and one side is in contact with the inner wall of the housing,
The housing is,
a first body portion connected to the cap portion and storing an air piston portion, shaft, and spring therein;
a second body connected to the lower end of the first body, having a smaller diameter than the first body, and inserted into the container;
a separation prevention part provided between the first body part and the second body part to accommodate the lower end of the spring;
A third body part connected to the bottom of the second body part and having a smaller diameter than the second body part, and inserted into the container together with the second body part,
a fastening part provided at the top of the first body, inserted between the first side wall and the second side wall, and having a fastening stopper protruding outward at an end, the fastening part protruding in a different direction from the protruding stopper;
A pumping device further comprising a support portion protruding from an outer surface of the fastening portion and supporting a lower end of the second side wall. delete delete delete delete