Binary aerosol valve assembly

Abstract

A binary aerosol valve assembly, comprising a sealing connection mechanism (1) and a bag (2), wherein the bag is arranged at the lower end of the sealing connection mechanism, and the sealing connection mechanism and the bag are of an integrated structure; the sealing connection mechanism comprises a sealing cup (11), a cup cover (12) and a connection portion (13); the lower end of the sealing cup is connected to the upper end of the cup cover; the cup cover is of a cup-shaped structure; the upper end of the cup cover is in communication with the sealing cup, and the lower end of the cup cover is connected to the upper end of the connection portion; the lower end of the connection portion is connected to the bag; a flow channel is provided in the connection portion; and one end of the flow channel is in communication with the interior of the cup cover, and the other end of the flow channel is in communication with the interior of the bag. The sealing connection mechanism and the bag are of an integrated structure design, so that multiple components can be simultaneously produced, thereby reducing the assembly of components, simplifying the production process, significantly shortening the production cycle, and improving production efficiency. Moreover, the connection portion and the bag are more reliably connected, thereby enhancing the sealing performance, prolonging the service life of the aerosol valve assembly, and improving the product quality.

Description

A binary aerosol valve assembly Technical Field

[0001] This invention relates to the field of aerosol valve technology, and in particular to a binary aerosol valve assembly. Background Technology

[0002] The binary aerosol valve is a key component of binary packaged aerosol products. It is a valve used in binary aerosol products that can separate the raw material and the propellant, and spray the raw material in a mist form by pressing the valve during use.

[0003] Chinese patent CN216986139U discloses a novel binary packaging structure, including a pouch and a female valve mechanism, with the pouch and valve mechanism heat-sealed together. The bottom side of the pouch has a bifurcated heat-sealing structure. The bifurcated heat-sealing structure allows the bottom of the pouch to extend downwards and outwards after the additive is added, contacting the bottom of the can, thus changing the traditional suspended placement within the can. This invention designs the bottom of the pouch as a bifurcated structure, allowing the bottom of the pouch to sink and contact the bottom of the can. The connection between the fixed cap and the can is designed with a double seal to enhance the sealing effect. Furthermore, to increase the amount of additive passing through, the inlet and outlet pipes are equipped with several inlet and outlet holes, and the inlet channel at the top of the valve stem is expanded outwards, increasing the amount of additive entering the nozzle.

[0004] The aforementioned bladder is heat-sealed to the female valve mechanism. During the production process, the materials need to be heated and pressure applied one by one, resulting in low production efficiency. Moreover, the heat-sealing effect may be affected by dirt at the connection point, thus reducing product quality. Summary of the Invention

[0005] This invention provides a binary aerosol valve assembly to solve the technical problem of low production efficiency caused by the current heat-sealing connection between the aerosol bag and the female valve mechanism, which requires heating and applying pressure to each material individually during the production process.

[0006] To solve the above-mentioned technical problems, the present invention discloses a binary aerosol valve assembly, comprising: a sealing connection mechanism and a bag, wherein the bag is disposed at the lower end of the sealing connection mechanism, and the sealing connection mechanism and the bag are integrally formed. The sealing connection mechanism includes a sealing bowl, a bowl cover and a connecting part. The sealing bowl is cylindrical, and the lower end of the sealing bowl is connected to the upper end of the bowl cover. The bowl cover is bowl-shaped, and the upper end of the bowl cover is connected to the sealing bowl. The lower end of the bowl cover is connected to the upper end of the connecting part. The lower end of the connecting part is connected to the bag. A flow channel is disposed inside the connecting part, one end of the flow channel is connected to the inside of the bowl cover and the other end of the flow channel is connected to the inside of the bag.

[0007] Preferably, the sealing connection mechanism is manufactured using injection molding, and the bladder is manufactured using blow molding.

[0008] Preferably, both the sealing connection mechanism and the bladder are made of thermoplastic structural materials, including but not limited to polyethylene, polyvinyl chloride, polypropylene, and polyethylene terephthalate.

[0009] Preferably, the end of the sealing bowl away from the bowl cover has a rolled edge that is folded down.

[0010] Preferably, the diameter of the upper end of the bowl cover is larger than the diameter of the lower end of the bowl cover.

[0011] Preferably, the inner wall of the bowl cover is provided with a number of reinforcing ribs along its circumference, and the number of reinforcing ribs are distributed in a ring array about the central axis of the bowl cover.

[0012] Preferably, the connecting part is funnel-shaped near the end of the pouch, and the diameter of the upper end of the connecting part is smaller than the diameter of the lower end of the connecting part.

[0013] Preferably, the wall thickness of the connecting part is greater than the wall thickness of the pouch.

[0014] Preferably, the cross-section of the bladder has an annular wavy structure, and the sidewall of the bladder has several rib-shaped protrusions that are evenly distributed.

[0015] Preferably, to prevent the bag from bending during use, the number of rib protrusions is not less than the target number, which is calculated using the following formula:

[0016] Where N is the target number of rib protrusions, M1 is the preset value of the bending moment of the bag, β is the preset bending section modulus of the bag, σ1 is the bending strength of the rib protrusions, H1 is the height of the rib protrusions, π is pi (π is taken as 3.14), and X is the wall thickness of the bag.

[0017] The technical solution of this invention has the following advantages: This invention provides a binary aerosol valve assembly, relating to the field of aerosol valve technology, including a sealing connection mechanism and a bladder. The bladder is disposed at the lower end of the sealing connection mechanism, and the sealing connection mechanism and the bladder are an integral structure. The sealing connection mechanism includes a sealing bowl, a bowl cover, and a connecting part. The sealing bowl is cylindrical, and its lower end is connected to the upper end of the bowl cover. The bowl cover has a bowl-shaped structure, and its upper end communicates with the sealing bowl. Its lower end is connected to the upper end of the connecting part, and its lower end is connected to the bladder. A flow channel is disposed within the connecting part, with one end of the flow channel communicating with the interior of the bowl cover and the other end communicating with the interior of the bladder. In this invention, the sealing connection mechanism and the bladder adopt an integral structure design, which allows for the simultaneous production of multiple components, reduces the combination of components, simplifies the production process, greatly shortens the production cycle, and improves production efficiency. Moreover, the connection between the connecting part and the bladder is more reliable, enhances sealing performance, extends the service life of the aerosol valve assembly, and improves product quality.

[0018] Other features and advantages of the invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of the invention may be realized and obtained by means of the means particularly pointed out in the written description and the accompanying drawings.

[0019] The technical solution of the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. Attached Figure Description

[0020] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used in conjunction with embodiments of the invention to explain the invention and do not constitute a limitation thereof. In the drawings:

[0021] Figure 1 is a schematic diagram of a binary aerosol valve assembly according to the present invention;

[0022] Figure 2 is a schematic diagram of another shape of the pouch in this invention;

[0023] Figure 3 is a schematic cross-sectional view of the bag in this invention;

[0024] Figure 4 is a schematic diagram of the blastocyst in this invention;

[0025] Figure 5 is a schematic diagram of the secondary blow molding process in this invention.

[0026] In the figure: 1. Sealing connection mechanism; 11. Sealing bowl; 111. Rolled edge; 12. Bowl cover; 121. Reinforcing rib; 13. Connecting part; 2. Bag; 21. Rib protrusion. Detailed Implementation

[0027] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0028] Furthermore, in this invention, the use of terms such as "first" and "second" is for descriptive purposes only and does not specifically refer to any order or sequence, nor is it intended to limit the invention. They are merely used to distinguish components or operations described using the same technical terms and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions and features of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. If a combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this invention.

[0029] Example 1

[0030] This invention provides a binary aerosol valve assembly, as shown in Figures 1-3, comprising: a sealing connection mechanism 1 and a bag 2. The bag 2 is disposed at the lower end of the sealing connection mechanism 1. The sealing connection mechanism 1 and the bag 2 are integral structures. The sealing connection mechanism 1 includes a sealing bowl 11, a bowl cover 12, and a connecting part 13. The sealing bowl 11 is cylindrical. The lower end of the sealing bowl 11 is connected to the upper end of the bowl cover 12. The bowl cover 12 is bowl-shaped. The upper end of the bowl cover 12 communicates with the sealing bowl 11. The lower end of the bowl cover 12 is connected to the upper end of the connecting part 13. The lower end of the connecting part 13 is connected to the bag 2. A flow channel is disposed inside the connecting part 13. One end of the flow channel communicates with the inside of the bowl cover 12, and the other end of the flow channel communicates with the inside of the bag 2.

[0031] The working principle and beneficial effects of the above technical solution are as follows: The sealing connection mechanism 1 includes a sealing bowl 11, a bowl cover 12, and a connecting part 13 from top to bottom. The connecting part 13 is connected to the upper end of the aerosol bag 2. The sealing bowl 11, bowl cover 12, connecting part 13, and aerosol bag 2 are integrated into one structure. During production, multiple parts can be produced simultaneously through an integrated molding process. Compared with the existing heat sealing process, the combination of parts is reduced, the production process is simplified, the production cycle is greatly shortened, and the production efficiency is improved. Moreover, the connection between the connecting part 13 and the aerosol bag 2 is not affected by the external environment, the connection between the connecting part 13 and the aerosol bag 2 is more reliable, the sealing performance is enhanced, the service life of the aerosol valve assembly is extended, and the product quality is improved.

[0032] Example 2

[0033] Based on the above embodiment 1, the sealing connection mechanism 1 is manufactured by injection molding, and the bag 2 is manufactured by blow molding.

[0034] Both the sealing connection mechanism 1 and the bladder 2 are made of thermoplastic structural materials, including but not limited to polyethylene, polyvinyl chloride, polypropylene and polyethylene terephthalate.

[0035] The working principle and beneficial effects of the above technical solution are as follows: The sealing bowl 11, the bowl cover 12 and the connecting part 13 are made by injection molding, which makes the walls of the sealing bowl 11, the bowl cover 12 and the connecting part 13 thicker, thus enhancing the overall structural strength of the sealing connection mechanism 1. The bag 2 is made by blow molding, which makes the bag 2 have a shrinkable structure, which facilitates the ejection of raw materials inside the bag 2. The bag 2 can be blow molded into different shapes according to different needs. During blow molding, it can first be blow molded into a bag preform (as shown in Figure 4), and then blow molded again to obtain the bag 2 (as shown in Figure 5). Both the sealing connection mechanism 1 and the bag 2 are made of thermoplastic structural materials, including but not limited to polyethylene, polyvinyl chloride, polypropylene and polyethylene terephthalate. The preferred material is polyethylene terephthalate (PET). The sealing connection mechanism 1 and the bag 2 are made of the same material, which can improve the reliability of the connection between the connecting part 13 and the bag 2. Compared with the existing metal sealing connection mechanism 1, the use of polyethylene material can save costs.

[0036] Example 3

[0037] Based on embodiment 1 or 2, as shown in Figure 1, the sealing bowl 11 has a downwardly folded rolled edge 111 at the end away from the bowl cover 12.

[0038] The working principle and beneficial effects of the above technical solution are as follows: a sealing ring is provided on the inner side of the rolled edge 111. The rolled edge 111 can seal the sealing bowl 11 and the mouth of the spray can together, which facilitates the installation of the sealing connection mechanism 1.

[0039] Example 4

[0040] Based on any one of embodiments 1-3, as shown in Figure 1, the upper diameter of the bowl cover 12 is larger than the lower diameter of the bowl cover 12;

[0041] The inner wall of the bowl cover 12 is provided with a number of reinforcing ribs 121 along its circumference, and the number of reinforcing ribs 121 are distributed in a ring array about the central axis of the bowl cover 12.

[0042] The working principle and beneficial effects of the above technical solution are as follows: Several reinforcing ribs 121 are arranged along the circumference of the inner wall of the cup cover 12. The reinforcing ribs 121 can enhance the structural strength of the cup cover 12 and prevent the cup cover 12 from deforming. The reinforcing ribs 121 are also made by injection molding process and integral molding process with the cup cover 12, which can shorten the production cycle and greatly improve the production efficiency of the aerosol valve assembly.

[0043] Example 5

[0044] Based on any one of embodiments 1-4, as shown in FIG1, the end of the connecting part 13 near the pouch 2 is flared, and the diameter of the upper end of the connecting part 13 is smaller than the diameter of the lower end of the connecting part 13.

[0045] The working principle and beneficial effects of the above technical solution are as follows: when the raw material flows through the connecting part 13, the flow rate of the raw material can be accelerated through the trumpet-shaped connecting part 13, which is conducive to the atomization of the raw material.

[0046] Example 6

[0047] Based on any one of embodiments 1-5, as shown in FIG1, the wall thickness of the connecting part 13 is greater than the wall thickness of the pouch 2.

[0048] The working principle and beneficial effects of the above technical solution are as follows: by increasing the wall thickness of the connecting part 13, the structural strength of the connecting part 13 is enhanced, the connecting part 13 is prevented from sticking together and blocking the material under pressure, and the connection between the connecting part 13 and the bag 2 is guaranteed.

[0049] Example 7

[0050] Based on any one of the embodiments 1-6, as shown in Figures 1 and 3, the cross-section of the bag 2 is an annular wavy structure, and the sidewall of the bag 2 is formed with a number of rib protrusions 21, which are evenly distributed.

[0051] The working principle and beneficial effects of the above technical solution are as follows: the bag 2 is in the shape of a ring wave. Based on the structure of the bag 2, several rib protrusions 21 are formed on both the inner and outer sides of the bag 2. The rib protrusions 21 on the inner side can prevent the inner wall of the bag 2 from sticking together, ensuring the flow of raw materials in the bag 2 and improving the storage and flow performance inside the bag 2.

[0052] Example 8

[0053] Based on Example 7, to prevent the pouch 2 from bending during use, the number of rib protrusions 21 is not less than the target number. The target number of rib protrusions 21 is calculated using the following formula:

[0054] Where N is the target number of rib protrusions 21, M1 is the preset value of bending moment of the bag 2, β is the preset bending section coefficient of the bag 2, σ1 is the bending strength of the rib protrusions 21, H1 is the height of the rib protrusions 21, π is pi, π is 3.14, and X is the wall thickness of the bag 2.

[0055] The working principle and beneficial effects of the above technical solution are as follows: In order to prevent the bag 2 from bending and blocking the raw material inside the bag 2, the number of rib protrusions 21 should not be less than the target number. The above formula can accurately calculate the number of rib protrusions 21. During production, the corresponding number of rib protrusions 21 can be set, thereby improving the overall bending resistance and structural strength of the bag 2, preventing the bag 2 from bending and blocking the material during use, and extending the service life of the bag 2.

[0056] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this invention and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0057] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., 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, an electrical connection, or a connection that allows communication between them; 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, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0058] Although embodiments of the present invention have been disclosed above, they are not limited to the applications listed in the specification and embodiments. They can be applied to various fields suitable for the present invention. Other modifications can be easily made by those skilled in the art. Therefore, without departing from the general concept defined by the claims and their equivalents, the present invention is not limited to the specific details and illustrations shown and described herein.

Claims

1. A binary aerosol valve assembly, characterized in that, include: A sealing connection mechanism (1) and a bag (2) are provided at the lower end of the sealing connection mechanism (1). The sealing connection mechanism (1) and the bag (2) are an integral structure. The sealing connection mechanism (1) includes a sealing bowl (11), a bowl cover (12) and a connecting part (13). The sealing bowl (11) is cylindrical. The lower end of the sealing bowl (11) is connected to the upper end of the bowl cover (12). The bowl cover (12) is bowl-shaped. The upper end of the bowl cover (12) is connected to the sealing bowl (11). The lower end of the bowl cover (12) is connected to the upper end of the connecting part (13). The lower end of the connecting part (13) is connected to the bag (2). A flow channel is provided in the connecting part (13). One end of the flow channel is connected to the inside of the bowl cover (12), and the other end of the flow channel is connected to the inside of the bag (2).

2. The binary aerosol valve assembly according to claim 1, characterized in that, The sealing connection mechanism (1) is made by injection molding, and the bag (2) is made by blow molding.

3. The binary aerosol valve assembly according to claim 1, characterized in that, Both the sealing connection mechanism (1) and the bag (2) are made of thermoplastic structural materials, including but not limited to polyethylene, polyvinyl chloride, polypropylene and polyethylene terephthalate.

4. A binary aerosol valve assembly according to claim 1, characterized in that, The sealing bowl (11) has a downward-folded rolled edge (111) at the end away from the bowl cover (12).

5. A binary aerosol valve assembly according to claim 1, characterized in that, The upper diameter of the bowl cover (12) is greater than the lower diameter of the bowl cover (12).

6. A binary aerosol valve assembly according to claim 1, characterized in that, The inner wall of the bowl cover (12) is provided with several reinforcing ribs (121) along its circumference, and the several reinforcing ribs (121) are arranged in a ring array about the central axis of the bowl cover (12).

7. A binary aerosol valve assembly according to claim 1, characterized in that, The connecting part (13) is flared at the end near the pouch (2), and the diameter of the upper end of the connecting part (13) is smaller than the diameter of the lower end of the connecting part (13).

8. A binary aerosol valve assembly according to claim 1, characterized in that, The wall thickness of the connecting part (13) is greater than that of the sac (2).

9. A binary aerosol valve assembly according to claim 1, characterized in that, The cross-section of the sac (2) is a ring-shaped wave structure, and the sidewall of the sac (2) forms a number of rib-shaped protrusions (21), which are evenly distributed.

10. A binary aerosol valve assembly according to claim 9, characterized in that, To prevent the pouch (2) from bending during use, the number of rib protrusions (21) shall not be less than the target number. The target number of rib protrusions (21) shall be calculated by the following formula: Where N is the target number of the reinforcing ribs (21), M1 is the preset value of the bending moment of the bag (2), β is the preset bending section coefficient of the bag (2), σ1 is the bending strength of the reinforcing ribs (21), H1 is the height of the reinforcing ribs (21), π is pi, π is 3.14, and X is the wall thickness of the bag (2).

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