A push pump assembly and a cosmetic bottle

Abstract

This application relates to the field of cosmetic packaging technology, and discloses a press pump assembly and a cosmetic bottle, including a cavity, a piston, a sealing element, a press head, and a liquid outlet tube. The cavity has a chamber extending through both ends, and a column communicating with the chamber is disposed within the chamber, with the outer circumferential surface of the column connected to the inner wall of the cavity. A portion of the piston is movably disposed within the chamber, and the other portion extends out of the chamber. The sealing element includes a first ball and a second ball. The first ball is movably disposed within the column to switch between a connected state and a closed state between the column and the chamber, and the second ball is movably disposed within the piston. The press head has a vertically downward connecting portion, which is connected to the end of the piston extending out of the chamber. One end of the liquid outlet tube near the press head is connected to the connecting portion, and the other end extends outward. The first and second balls act as one-way valves, thereby preventing external air from being drawn into the chamber, causing oxidation, deterioration, and leakage of the cosmetic liquid.

Description

Technical Field

[0001] This utility model relates to the field of cosmetic packaging technology, and in particular to a press pump assembly and a cosmetic bottle. Background Technology

[0002] In the cosmetics industry, pump dispensers are frequently used. Installed at the bottle opening, they allow the desired amount of lotion to be dispensed by pressing. However, with rising living standards, cosmetics increasingly utilize fresh, organic formulas. These formulas are highly susceptible to oxidation, shortening their shelf life. This necessitates well-sealed containers to prevent the lotion from contacting air. However, current pump dispensers leave some lotion residue inside the nozzle after delivery. This residue is exposed to air through the nozzle outlet, causing it to dehydrate and dry out. Furthermore, the active ingredients in the lotion inside the bottle are easily oxidized by the air. Utility Model Content

[0003] In order to solve the above-mentioned technical problems, or at least partially solve the above-mentioned technical problems, this application provides a press pump assembly and a cosmetic bottle.

[0004] In a first aspect, this application provides a push-pump assembly, comprising:

[0005] A cavity having chambers extending through its two ends, wherein a column communicating with the chamber is provided, and the outer peripheral surface of the column is connected to the inner wall of the cavity;

[0006] A piston, one part of which is movably disposed within the chamber and the other part of which extends out of the chamber;

[0007] The sealing component includes a first sphere and a second sphere. The first sphere is movably disposed within the cylinder to switch the cylinder and the chamber between a connected state and a closed state. The second sphere is movably disposed within the piston to control the connection or closure of the piston's interior.

[0008] The pressing head has a vertically downward connecting part, which is connected to one end of the piston that extends out of the chamber.

[0009] The liquid outlet tube has one end near the pressing head connected to the connecting part, and the other end extends outward.

[0010] In one possible implementation, the pump assembly further includes an elastic element disposed within the chamber and located between the piston and the column, one end of the elastic element abutting against the top of the column and the other end abutting against the end of the piston extending into the chamber.

[0011] In one possible implementation, the piston has a mounting groove at one end that extends into the chamber, and the elastic member extends into the mounting groove at the other end away from the column and abuts against the bottom of the mounting groove.

[0012] In one possible implementation, the interior of the connecting portion is provided with a circumferential groove, and the portion of the piston extending out of the chamber is provided with a circumferential retaining ring;

[0013] When the connecting part is connected to the piston, the retaining ring is engaged in the retaining groove.

[0014] In one possible implementation, a bottle neck sleeve is further provided on the outer periphery of the cavity. The bottle neck sleeve includes an upper sleeve body and a lower sleeve body integrally connected. The upper sleeve body is located at the top of the lower sleeve body. The outer surface of the cavity body is connected to the inner surface of the upper sleeve body. There is an installation space between the inner surface of the lower sleeve body and the outer surface of the cavity body. The installation space is used to connect to the bottle neck of the cosmetic bottle.

[0015] In one possible implementation, the inner surface of the upper sleeve is provided with a first internal thread, and the portion of the cavity used to connect with the upper sleeve is provided with a first external thread, wherein the first external thread and the first internal thread are threadedly connected.

[0016] In one possible implementation, the inner surface of the lower sleeve is provided with a second internal thread, and the outer surface of the bottle mouth of the cosmetic bottle is provided with a second external thread that mates with the second internal thread.

[0017] In one possible implementation, the liquid outlet tube is bent upward from one end near the pressing head to the other end, and the liquid outlet end of the liquid outlet tube is flat.

[0018] Secondly, this application also provides a cosmetic bottle, including the aforementioned press pump assembly.

[0019] The technical solutions provided in this application have the following advantages compared with the prior art:

[0020] A first ball is installed inside the cavity of the device, and a second ball is installed inside the piston. When liquid is needed, pressing down on the piston creates a negative pressure in the cavity. This causes the first ball to rise, connecting the straw to the cavity, while the second ball falls downwards. Liquid from the bottle is drawn into the cavity through the straw until it rises to the point where it pushes up the second ball, allowing the liquid to flow into the outlet pipe for the user. In other words, the first and second balls act as one-way valves. Under negative pressure, the first ball rises, connecting the straw to the cavity and allowing liquid to flow in, while the second ball falls downwards, isolating the outlet pipe from the piston and preventing external air from being drawn into the cavity, thus avoiding oxidation, deterioration, and leakage of the cosmetic liquid. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of an embodiment of a push-pump assembly according to the present invention;

[0022] Figure 2 This is a cross-sectional schematic diagram of a push pump assembly according to the present invention;

[0023] Figure 3 This utility model discloses a schematic diagram of the cavity structure in a press pump assembly.

[0024] Icon labels:

[0025] 10. Cavity; 10a. Chamber; 10b. First external thread; 20. Pressing head; 30. Dispensing tube; 40. Bottle neck sleeve; 41. Lower sleeve; 41a. Second internal thread; 42. Upper sleeve; 42a. First internal thread; 50. Piston; 50a. Mounting groove; 60. Elastic element; 70. Sealing element; 71. First sphere; 72. Second sphere. Detailed Implementation

[0026] To provide a clearer understanding of the technical features, objectives, and effects of this utility model, the specific embodiments of this utility model are now described in detail with reference to the accompanying drawings. In the following description, it should be understood that the orientations or positional relationships indicated by terms such as "front," "rear," "upper," "lower," "left," "right," "longitudinal," "horizontal," "vertical," "horizontal," "top," "bottom," "inner," "outer," "head," and "tail" are based on the orientations or positional relationships shown in the accompanying drawings, and are constructed and operated in a specific orientation. They are only for the convenience of describing this technical solution and do not indicate that the device or component referred to must have a specific orientation; therefore, they should not be construed as limitations on this utility model.

[0027] It should also be noted that, unless otherwise explicitly specified and limited, terms such as "installation," "connection," "joining," "fixing," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. When an component is referred to as being "on" or "below" another component, the component can be located "directly" or "indirectly" on the other component, or there may be one or more intermediary components. The terms "first," "second," "third," etc., are only for the convenience of describing this technical solution and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined with "first," "second," "third," etc., may explicitly or implicitly include one or more of that feature. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0028] In the following description, specific details such as particular system structures and techniques are set forth for illustrative purposes and not for limitation, in order to provide a thorough understanding of the embodiments of the present invention. However, those skilled in the art will understand that the present invention can be implemented in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, apparatuses, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

[0029] like Figures 1 to 3 As shown in the figure, a press pump assembly of this utility model includes a cavity 10, a piston 50, a sealing member 70, a pressing head 20, and a liquid outlet pipe 30. The cavity 10 has a chamber 10a extending through both ends of the cavity 10a. A column communicating with the chamber 10a is provided in the chamber 10a, and the outer peripheral surface of the column is connected to the inner wall of the cavity 10. A part of the piston 50 is movably disposed in the chamber 10a, and the other part extends out of the chamber 10a. The sealing component 70 includes a first ball 71 and a second ball 72. The first ball 71 is movably disposed within the cylinder to switch between a connected state and a closed state between the cylinder and the chamber 10a. The second ball 72 is movably disposed within the piston 50 to control the connection or closure of the piston 50. The pressing head 20 has a vertically downward connecting part, which is connected to one end of the piston 50 that extends out of the chamber 10a. The liquid outlet pipe 30 is connected to the connecting part at one end near the pressing head 20, and extends outward at the other end.

[0030] In this embodiment, the pump assembly has a first ball 71 inside the chamber 10a of the cavity 10 and a second ball 72 inside the piston 50. When liquid is needed, pressing the piston 50 downwards creates a negative pressure in the chamber 10a. This causes the first ball 71 to be lifted upwards, connecting the straw to the chamber 10a, while the second ball 72 is pulled downwards. The liquid in the bottle is then drawn into the chamber 10a through the straw until the liquid in the chamber 10a rises to the point that it lifts the second ball 72. The liquid then flows into the outlet pipe 30 and is dispensed to the user. In other words, the first ball 71 and the second ball 72 act as one-way valves. When a negative pressure is formed in the chamber 10a, the first ball 71 is sucked upward to connect the suction tube with the chamber 10a, allowing the liquid to flow into the chamber 10a. The second ball 72 is sucked downward to isolate the liquid outlet tube 30 from the inside of the piston 50, preventing external air from being sucked into the chamber 10a, which would cause the cosmetic liquid to oxidize, deteriorate, and leak.

[0031] In one possible implementation, the pump assembly further includes an elastic element 60 disposed within the chamber 10a and located between the piston 50 and the column. One end of the elastic element 60 abuts against the top of the column, and the other end abuts against the end of the piston 50 that extends into the chamber 10a.

[0032] In one possible implementation, the piston 50 has a mounting groove 50a at one end that extends into the chamber 10a, and the elastic member 60, at the end away from the column, extends into the mounting groove 50a and abuts against the bottom of the groove. Thus, when the piston 50 applies pressure to the elastic member 60, the mounting groove 50a provides precise positioning space for the elastic member 60, ensuring that the elastic member 60 maintains its axial force direction throughout the piston 50's movement, avoiding lateral displacement, and effectively preventing abnormal wear caused by lateral piston deviation.

[0033] In one possible implementation, the connecting part has a circumferential groove inside, and the portion of the piston 50 extending out of the chamber 10a has a circumferential retaining ring. When the connecting part is connected to the piston 50, the retaining ring engages with the groove. In practical applications, the end of the piston 50 extending out of the chamber 10a is aligned with the connecting part and pushed into the interior of the connecting part, allowing the retaining ring to extend into the groove, thereby connecting the piston 50 to the pressing head 20. When the pressing head 20 needs to be replaced, simply pull the pressing head 20 upwards to disengage the retaining ring from the groove, thus completing the disassembly of the pressing head 20. The structure is simple and easy to install and remove.

[0034] In one possible implementation, a bottle neck sleeve 40 is further provided on the outer periphery of the cavity 10. The bottle neck sleeve 40 includes an integrally connected upper sleeve 42 and a lower sleeve 41. The upper sleeve 42 is located at the top of the lower sleeve 41. The outer surface of the cavity 10 is connected to the inner surface of the upper sleeve 42. An installation space is formed between the inner surface of the lower sleeve 41 and the outer surface of the cavity 10. The installation space is used to connect with the bottle neck of the cosmetic bottle. In this way, the bottle neck sleeve 40 can be provided on the outer periphery of the cavity 10. At this time, the upper sleeve 42 of the bottle neck sleeve 40 is connected to the outer surface of the cavity 10, and an installation space is formed between the lower sleeve 41 of the bottle neck sleeve 40 and the cavity 10, so that the bottle neck of the bottle extends into the installation space, thereby realizing the detachable mounting of the pump assembly on the bottle.

[0035] In one possible implementation, the inner surface of the upper sleeve 42 is provided with a first internal thread 42a, and the portion of the cavity 10 used to connect with the upper sleeve 42 is provided with a first external thread 10b. The first external thread 10b and the first internal thread 42a are threadedly connected. That is, after the bottle neck sleeve 40 is fitted onto the outer periphery of the cavity 10, the first internal thread 42a on the inner surface of the upper sleeve 42 and the first external thread 10b on the cavity 10 are used to make the cavity 10 firmly connected to the bottle neck sleeve 40, thereby preventing the cavity 10 from moving randomly during use.

[0036] In one possible implementation, the inner surface of the lower sleeve 41 is provided with a second internal thread 41a, and the outer surface of the cosmetic bottle opening is provided with a second external thread that mates with the second internal thread 41a. Thus, when assembling the pump assembly with the bottle body, the lower sleeve 41 of the bottle opening sleeve 40 is fitted onto the bottle opening. At this time, the second internal thread 41a of the lower sleeve 41 mates with the second external thread on the outer surface of the bottle opening. Then, the lower sleeve 41 is screwed on to install the pump assembly onto the bottle body. When the pump assembly needs to be disassembled, simply screw the lower sleeve 41 in the opposite direction until it is completely disconnected from the bottle opening, and then pull the entire pump assembly upwards to complete the disassembly. The structure is simple and the assembly and disassembly are convenient.

[0037] In one possible implementation, the dispensing tube 30 bends upward from one end near the press head 20 to the other, and the dispensing end of the dispensing tube 30 is flat. That is, when the press head 20 is pressed, the liquid in the bottle enters the chamber 10a, then flows from the chamber 10a into the piston 50, and finally flows out from the dispensing tube 30. Because the dispensing tube 30 bends upward from one end near the press head 20 to the other, the flowing liquid can be ejected in a parabolic trajectory so as to better land in the user's palm.

[0038] Working principle: In use, first connect the straw to the lower end of chamber 10a and place it inside the bottle. Then connect the bottle neck sleeve 40 to the bottle neck so that the pump assembly can be assembled onto the bottle. In the initial state, the second ball 72 is tightly sealed against the inside of the piston 50, and the first ball 71 is tightly sealed against the outlet of chamber 10a. At this time, the first ball 71 and the second ball 72 act as one-way valves, keeping chamber 10a sealed when there is no action, preventing liquid from the bottle from entering chamber 10a from the straw. When piston 50 is pressed down, the elastic element 60 is compressed by piston 50. After the compression of piston 50 is released, the elastic element 60 will push piston 50 up, so that low pressure is generated in chamber 10a, which will then suck up the first ball 71, connecting chamber 10a with the straw. At this time, the liquid in the bottle is sucked into chamber 10a. When piston 50 is pressed down again, the first ball 71 falls down to block chamber 10a, so that the liquid in the bottle will no longer enter chamber 10a. During this process, the liquid that enters chamber 10a will push the second ball 72 up, so that the liquid flows out from the outlet pipe 30.

[0039] This application also provides a cosmetic bottle, including the press pump assembly of the above embodiments.

[0040] The cosmetic bottle according to the embodiments of this disclosure uses the above-described press pump assembly, and the technical effects are the same as those of the press pump assembly described above, so they will not be repeated here.

[0041] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and substitutions can be made without departing from the technical principles of the present utility model, and these improvements and substitutions should also be considered within the protection scope of the present utility model.

Claims

1. A squeeze pump assembly characterized by, include: A cavity having chambers extending through its two ends, wherein a column communicating with the chamber is provided, and the outer peripheral surface of the column is connected to the inner wall of the cavity; A piston, one part of which is movably disposed within the chamber and the other part of which extends out of the chamber; The sealing component includes a first sphere and a second sphere. The first sphere is movably disposed within the cylinder to switch the cylinder and the chamber between a connected state and a closed state. The second sphere is movably disposed within the piston to control the connection or closure of the piston's interior. The pressing head has a vertically downward connecting part, which is connected to one end of the piston that extends out of the chamber. The liquid outlet tube has one end near the pressing head connected to the connecting part, and the other end extends outward.

2. The push pump assembly of claim 1, wherein The press pump assembly also includes an elastic element disposed in the chamber and located between the piston and the column. One end of the elastic element abuts against the top of the column, and the other end abuts against the end of the piston that extends into the chamber.

3. The push pump assembly of claim 1, wherein The piston has a mounting groove at one end that extends into the cavity, and the elastic element extends into the mounting groove at the other end that is away from the column and abuts against the bottom of the mounting groove.

4. The push pump assembly of claim 1, wherein The connecting part has a groove along the circumferential direction inside, and the part of the piston extending out of the chamber has a retaining ring along the circumferential direction; When the connecting part is connected to the piston, the retaining ring is engaged in the retaining groove.

5. The push-pump assembly according to claim 1, characterized in that, It also includes a bottle neck sleeve disposed on the outer periphery of the cavity. The bottle neck sleeve includes an upper sleeve body and a lower sleeve body integrally connected. The upper sleeve body is located at the top of the lower sleeve body. The outer surface of the cavity body is connected to the inner surface of the upper sleeve body. There is an installation space between the inner surface of the lower sleeve body and the outer surface of the cavity body. The installation space is used to connect to the bottle neck of the cosmetic bottle.

6. The push-pump assembly according to claim 5, characterized in that, The inner surface of the upper sleeve is provided with a first internal thread, and the part of the cavity used to connect with the upper sleeve is provided with a first external thread, and the first external thread is threadedly connected to the first internal thread.

7. The push pump assembly of claim 4, wherein The inner surface of the lower sleeve is provided with a second internal thread, and the outer surface of the bottle mouth of the cosmetic bottle is provided with a second external thread that mates with the second internal thread.

8. The push pump assembly of claim 1, wherein, The liquid outlet tube bends upward from one end near the pressing head to the other end, and the liquid outlet end of the liquid outlet tube is flat.

9. A cosmetic bottle characterized by Includes the press pump assembly as described in any one of claims 1 to 8.

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