Device for air vent and filter comprising same

Abstract

The present invention provides a device for an air vent and a filter comprising same, the device for an air vent comprising: a body part in which an oblique groove is formed; and an insertion part having a protrusion portion coupled to the oblique groove, wherein, while the insertion part is coupled to the oblique groove, a space is formed between the insertion part and the body part by means of movement of the protrusion portion, and the oblique groove includes a first locking groove at one end and a second locking groove at the other end.

Description

Device for air vent and filter including same

[0001] Cross-citation with related application(s)

[0002] This application claims the benefit of priority to Korean Patent Application No. 10-2024-0105885, filed August 8, 2024, the entire contents of which are incorporated herein by reference.

[0003] The present invention relates to an air vent device and a filter including the same.

[0004] Due to the rapid increase in fossil fuel use, the demand for alternative or clean energy is increasing, and as part of this, the field of most active research is the field of power generation and storage using electrochemistry.

[0005] A representative example of an electrochemical device that currently utilizes this type of electrochemical energy is the secondary battery, and its application area is gradually expanding.

[0006] Recently, with the increase in technological development and demand for portable devices such as portable computers, mobile phones, and cameras, the demand for secondary batteries as an energy source has been rapidly increasing. Among such secondary batteries, much research has been conducted on lithium secondary batteries that exhibit high charge / discharge characteristics and lifespan characteristics and are environmentally friendly, and they have been commercialized and are widely used.

[0007] These lithium secondary batteries are manufactured by refrigerating an electrode assembly including an electrode and a separator together with an electrolyte in a secondary battery case, and the electrode is manufactured by applying, drying, and rolling an electrode slurry including an active material onto a current collector.

[0008] At this time, in order to remove impurities generated during the process of mixing, transporting, and supplying the electrode slurry, a filtration process is performed through a filter, and the air generated within the filter must be removed. However, if the air generated within the filter is not sufficiently removed, bubbles will be included within the electrode slurry, which will have a negative impact on the quality of the electrode surface, and ultimately, the performance of the secondary battery, which is the final product, may deteriorate.

[0009] Previously, to remove air from the filter, workers would turn the air vent cap mounted on the top of the filter, and the amount of air vented was controlled by the degree to which the cap was turned. Therefore, the existing air vent caps could not vent sufficient air because the amount of air vented varied depending on the worker's experience, and if the pressure inside the filter was very high, the cap could pop up, causing stability issues.

[0010] Therefore, there is a need for a technology that can solve the problems of the prior art described above.

[0011] The purpose of the present invention is to provide an air vent device capable of maintaining a constant amount of vented air while solving stability issues such as cap popping, and a filter combined with the air vent device.

[0012] Accordingly, the present invention comprises a body part having a diagonal groove formed therein; and

[0013] It includes an insert having a protrusion that is coupled to the above diagonal groove,

[0014] A space is formed between the insertion part and the body part by the movement of the protrusion while being coupled to the diagonal groove,

[0015] The above-mentioned diagonal groove provides an air vent mechanism including a first engaging groove at one end and a second engaging groove at the other end.

[0016] In addition, the present invention provides a filter combined with the above air vent device.

[0017] The present invention vents air while moving between the first and second engaging grooves while the protrusion of the insert is coupled to the diagonal groove of the body, so that the amount of air discharged can be kept constant regardless of the operator's experience level, and there is an advantage in that the problem of the air vent device or insert being protruded when coupled to the filter does not occur.

[0018] Figure 1 is a side view of an air vent device according to another embodiment of the present invention.

[0019] Figure 2 is a diagram showing the internal cross-section and fluid flow when the air vent device is in the open state.

[0020] Figure 3 is a diagram showing the internal cross-section and fluid flow when the air vent device is in the closed state.

[0021] Hereinafter, various embodiments of the present invention will be described in detail with reference to the attached drawings so that those skilled in the art can easily implement the invention. The present invention may be implemented in various different forms and is not limited to the embodiments described herein.

[0022] In order to clearly explain the present invention, parts that are not related to the description are omitted, and the same reference numerals are used for identical or similar components throughout the specification.

[0023] Additionally, the sizes and thicknesses of each component shown in the drawings are arbitrarily shown for convenience of explanation, and the present invention is not necessarily limited to what is shown in the drawings. In the drawings, the thicknesses are enlarged to clearly represent various layers and regions. Furthermore, in the drawings, the thicknesses of some layers and regions are exaggerated for convenience of explanation.

[0024] Also, when a part such as a layer, membrane, region, or plate is described as being "over," "above," or "on" another part, this should be interpreted to include not only cases where the layer, membrane, region, or plate is "directly over" the other part, but also cases where there are other parts in between. Conversely, when a part such as a layer, membrane, region, or plate is described as being "directly over" another part, this can mean that there are no other parts in between. Furthermore, being "over" or "on" a reference part means being located above or below the reference part, and may not necessarily mean being located "over" or "on" the opposite direction of gravity. Meanwhile, just as describing being "over" or "on" another part, describing being "under," "below," or "beneath" another part can also be understood with reference to the above.

[0025] Additionally, throughout the specification, whenever a part is said to "include" a component, this does not mean that it excludes other components, but rather that it may include other components, unless otherwise specifically stated.

[0026] Additionally, throughout the specification, when we say "in plan", we mean when the part is viewed from above, and when we say "in cross section", we mean when the part is viewed from the side in a cross-section cut vertically.

[0027] Below, an air vent device according to one embodiment of the present invention is described.

[0028] Figure 1 is a side view of an air vent device (10) according to one embodiment of the present invention.

[0029] Referring to FIG. 1, the air vent device (10) of the present invention includes a body portion (100) having a diagonal groove (110) formed therein; and an insert portion (200) having a protrusion (210) coupled to the diagonal groove (110), and a space is formed between the insert portion (200) and the body portion (100) by movement of the protrusion (210) while coupled to the diagonal groove (110), and the diagonal groove (110) includes a first engaging groove (111) at one end and a second engaging groove (112) at the other end.

[0030] The above diagonal groove (110) means that a part of the groove includes a diagonal line.

[0031] According to one embodiment of the present invention, the protrusion (210) may have a cross-section that protrudes from the main body of the insertion portion (200) and may have a polygonal shape such as a circle, an oval, or a triangle, or a shape that includes both a straight line and a curve, but is not limited thereto.

[0032] In another embodiment of the present invention, the cross-section of the protrusion (210) may be circular or oval.

[0033] According to another embodiment, the shapes of the first catch groove (111) and the second catch groove (112) may be the same or different from each other, and are not limited as long as they have a shape that can be combined and fixed by the protrusion (210).

[0034] The above body part (100) has a diagonal groove (110) formed at one end including a first engaging groove (111) and at the other end including a second engaging groove (112), and the protrusion (210) of the insertion part (200) is coupled to the diagonal groove (110).

[0035] According to one embodiment of the present invention, the second engaging groove (112) is positioned higher in the longitudinal direction of the body portion (100) than the first engaging groove (111). Specifically, in a state where the insertion portion (200) is coupled to the upper portion of the body portion (100), the second engaging groove (112) is positioned closer to the outer end of the insertion portion (200) (i.e., the other end of the end inserted into the body portion (100)) than the first engaging groove (111).

[0036] According to one embodiment of the present invention, the body part (100) includes a body part (100-1) in which a diagonal groove (110) is formed; and a connecting part (100-2) formed at one end of the body part (100-1), and a first screw part (113) in which a screw line is formed on the outer circumferential surface of the connecting part (100-2).

[0037] As described above, the second engaging groove (112) is located higher in the longitudinal direction of the body portion (100) than the first engaging groove (111). In other words, when the connecting portion (100-2) is located lower than the body portion (100-1), the second engaging groove (112) is located higher than the first engaging groove (111), specifically, higher in the longitudinal direction of the body portion (100).

[0038] In addition, in one embodiment of the present invention, when the connecting portion (100-2) is positioned lower than the body portion (100-1), the second engaging groove (112) is positioned on the left side of the first engaging groove (111). That is, when the connecting portion (100-2) of the body portion (100) is positioned close to the ground, the second engaging groove (112) can be positioned on the left side of the first engaging groove (111).

[0039] According to another embodiment, when the connecting portion (100-2) is positioned lower than the body portion (100-1), the second engaging groove (112) is positioned at the upper left of the first engaging groove (111).

[0040] According to one embodiment of the present invention, the insertion part (200) includes a connecting part (200-2) having a protrusion (210) that is connected to a diagonal groove (110); and a top part (200-1) formed at one end of the connecting part (200-2). When air venting is performed through the air vent device (10), a hose is connected to the top part (200-1), and air or air and slurry are discharged through this hose. At this time, the top part (200-1) includes a catch (200-1a) so that the hose connected to the top part (200-1) does not come off due to air pressure (about 5 bar or more).

[0041] The above-mentioned catch (200-1a) is not limited to a structure that forms a catch that protrudes toward the joint (200-2) to prevent the connected hose from coming off due to air pressure.

[0042] In addition, as the insertion part (200) rotates, the protrusion (210) moves between the first engaging groove (111) and the second engaging groove (112), thereby forming a space (Open) between the insertion part (200) and the body part (100), or closing the space to change it to a closed state (Close).

[0043] In one embodiment of the present invention, the rotation direction of the insertion portion (200) may be clockwise or counterclockwise.

[0044] Fig. 2 is a diagram showing the internal cross-section and fluid flow when the air vent device (10) is in the open state (Open), and Fig. 3 is a diagram showing the internal cross-section and fluid flow when the air vent device (10) is in the closed state (Close).

[0045] Referring to FIG. 2, when the insertion part (200) rotates clockwise, the protrusion (210) moves from the first engaging groove (111) to the second engaging groove (112) to form a space between the insertion part (200) and the body part (100), and at this time, air or air and slurry inside the filter are vented out through the space formed between the insertion part (200) and the body part (100). Specifically, when the top part (200-1) of the insertion part (200) rotates clockwise, the protrusion (210) coupled to the diagonal groove (110) moves to the upper left from the first engaging groove (111) to the second engaging groove (112), so that a space is formed (open state) between the insertion part (200) and the body part (100), through which air and the like can pass. At this time, the protrusion (210) is caught in the second catch groove (112), so that a certain amount of air can always be vented regardless of the worker's experience level, and even if the internal pressure of the device requiring the air vent is high, the phenomenon of the insertion part (200) popping up can be prevented.

[0046] Specifically, as the top part (200-1) rotates clockwise, the insertion part (200) moves upward while being inserted into the body part (100), and as one end of the insertion part (200) that was blocking the passage of the fluid (air and slurry) in the body part moves upward, a space is formed (opened) between the insertion part (200) and the body part (100), so that the fluid moves into the space between them and is discharged to the outside through the space formed inside the insertion part (200).

[0047] Referring to FIG. 3, when the insertion part (200) is rotated counterclockwise in the open state, the protrusion (210) moves from the second engaging groove (112) to the first engaging groove (111), so that there is no space between the insertion part (200) and the body part (100), thereby entering a closed state. Specifically, in the open state of the air vent device (10), the protrusion (210) coupled to the diagonal groove (110) is located in the second engaging groove (112). When the top (200-1) of the insertion part (200) is rotated counterclockwise, the protrusion (210) coupled to the diagonal groove (110) moves to the lower right from the second engaging groove (112) to the first engaging groove (111), so that there is no space between the insertion part (200) and the body part (100), thereby entering a closed state, so that air, etc. cannot pass through.

[0048] The body part (100) and the insertion part (200) of the air vent device (10) according to one embodiment of the present invention can be manufactured using a mold or the like manufacturing method using polypropylene (PP), but are not limited thereto, and a person skilled in the art can manufacture the body part (100) and the insertion part (200) of the air vent device (10) using a material having chemical resistance to air and / or slurry passing through the air vent device (10) using a method known in the art.

[0049] The air vent device (10) according to the above-described embodiments of the present invention can be combined with a filter, and an example of the filter is a capsule filter, but can be used anywhere where air removal is required.

[0050] In addition, according to one embodiment of the present invention, the filter may include a second screw portion that is coupled with the first screw portion (113) of the air vent device (10), and the air vent device (10) and the filter may be coupled through screw coupling of the first screw portion (113) and the second screw portion (not shown). Accordingly, even if the pressure inside the filter is high, the phenomenon of the air vent device (10) popping up can be prevented.

[0051] In one embodiment of the present invention, the filter combined with the air vent device (10) can be applied anywhere filtration is required during the manufacturing and supply process of electrode slurry. Examples of where the filter combined with the air vent device (10) can be applied include the main mixer, transfer tank, and supply tank of electrode slurry. However, the present invention is not limited thereto and can be applied to various devices requiring an air vent.

[0052] Although the preferred embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements made by those skilled in the art using the basic concept of the present invention defined in the following claims also fall within the scope of the present invention.

[0053] [Explanation of symbols]

[0054] 10: Air vent device

[0055] 100: Body

[0056] 100-1: Body

[0057] 100-2: Connection

[0058] 110: Diagonal groove

[0059] 111: First blocking groove

[0060] 112: Second blocking home

[0061] 113: First Screw Section

[0062] 200: Insert

[0063] 200-1: Top

[0064] 200-1a: Snag

[0065] 200-2: Joint

[0066] 210: Protrusion

Claims

1. A body part having a diagonal groove formed; and It includes an insert having a protrusion that is coupled to the above diagonal groove, A space is formed between the insertion part and the body part by the movement of the protrusion while being coupled to the diagonal groove, An air vent device wherein the above diagonal groove includes a first engaging groove at one end and a second engaging groove at the other end.

2. In paragraph 1, An air vent device in which the second catch groove is located higher in the longitudinal direction of the body than the first catch groove.

3. In paragraph 1, When the insertion part rotates clockwise, the protrusion moves from the first engaging groove to the second engaging groove to form a space between the insertion part and the body part, An air vent mechanism in which when the insertion part is rotated counterclockwise, the protrusion moves from the second engaging groove to the first engaging groove, so that there is no space between the insertion part and the body part.

4. In paragraph 1, The above body part is a body part in which the diagonal groove is formed; and Including a connecting portion formed at one end of the above body portion, An air vent device comprising a first screw portion having a screw line formed on the outer surface of the above-mentioned connecting portion.

5. In paragraph 4, An air vent device, wherein the second catch groove is located at the upper left of the first catch groove when the above connecting portion is located below the above body portion.

6. In paragraph 1, The insertion portion has a connecting portion having a protrusion that is connected to the diagonal groove; and An air vent device comprising a top formed at one end of the above-mentioned joint.

7. In paragraph 6, An air vent device wherein the top part includes a catch.

8. A filter combined with an air vent device according to any one of paragraphs 1 to 7.

9. In paragraph 8, A filter comprising a second screw portion coupled to the first screw portion of the above-mentioned connecting portion.

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