Car fragrance filter
By designing a continuous folded pleated structure and a removable cap structure in the car fragrance filter, the problem of excessively rapid fragrance evaporation is solved, achieving stable and continuous evaporation and efficient utilization of the fragrance components, thus improving the user experience and economy.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DONGGUAN AIR GUARD FILTER MANUFACTURING CO LTD
- Filing Date
- 2025-09-01
- Publication Date
- 2026-07-31
AI Technical Summary
Existing fragrance filters have fragrances that evaporate too quickly, resulting in an overly strong scent in the car and a short lifespan, unable to release fragrance for an extended period.
Design a car fragrance filter element, which adopts a continuous folding to form a pleated structure. The fragrance component is placed in the receiving groove of the secondary filter area. The sealing structure prevents it from falling off, and the fragrance evaporation is controlled by a detachable locking component to avoid the strong air conditioning airflow area. The fragrance component can be flipped out and replaced by a detachable sealing structure.
It effectively reduces the evaporation rate of the fragrance component, allowing it to release fragrance stably and continuously for a long time, thus extending its service life. Moreover, only the fragrance component needs to be replaced instead of the entire filter element, making it economical and efficient.
Smart Images

Figure CN224576447U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of air purification technology, and in particular to a car fragrance filter. Background Technology
[0002] Traditional car filters are used to purify the air inside the vehicle. They are installed at the air conditioning vents so that air flows out of the car after being filtered, thus achieving the function of air purification. With the development of technology and people's increasing material needs, traditional car companies have gradually lost most of their market share to emerging car companies. These emerging car companies have broken through the traditional pattern by having enough innovation and the ability to disrupt the traditional pattern. Compared with some established car companies, emerging car companies pay more attention to the user experience of modern people when it comes to cars. For example, installing fragrances in the car can effectively purify the air inside the car and improve the driving experience, bringing people better comfort.
[0003] Currently, there are air filters with fragrance functions on the market. These filters work by installing fragrance on the filter element, allowing the air to be filtered before the fragrance is released into the car. This method can filter the air while also releasing a fragrance. However, existing air filters with fragrance functions also have certain drawbacks. The fragrance is usually installed in the middle of the filter element, directly facing the air conditioning vent, which causes the fragrance to evaporate too quickly. If the air conditioning fan speed is increased, the evaporation of the fragrance will be further accelerated. On the one hand, this makes the fragrance in the car too strong, and on the other hand, the fragrance has a short lifespan and cannot release the fragrance for a long time, resulting in a short duration of fragrance release after installation. Summary of the Invention
[0004] To overcome the shortcomings mentioned above, this utility model aims to provide a technical solution for a car fragrance filter that can solve the aforementioned problems.
[0005] The car fragrance filter includes a filter body, which is continuously folded to form several pleats. Side edges are provided around the edges of the filter body. The filter body includes a main filtration zone located in the middle for filtering the air with strong flow from the air conditioning output end and a secondary filtration zone surrounding the outer edge of the main filtration zone for filtering the air with weak flow from the air conditioning output end. Two adjacent pleated surfaces in the secondary filtration zone are connected to form a receiving groove. A fragrance component for evaporating fragrance is provided in the receiving groove. The opening of the receiving groove is provided with a sealing structure to prevent the fragrance component from falling out of the receiving groove.
[0006] As a further embodiment of this utility model: the sealing structure includes a first latching member and a second latching member. The first latching member is located above the receiving groove and its bottom is attached to the top of the pleats. The bottom surface of the second latching member and the top surface of the first latching member are detachably connected. One side of the second latching member extends toward the receiving groove until it covers the receiving groove. At least one vent hole is provided on the end face of the second latching member to allow the fragrance emitted by the fragrance component to flow out from the vent hole.
[0007] As a further embodiment of this utility model: the first locking member is disposed on the top of the pleats adjacent to the receiving groove and biased towards the main filtration area, and the side of the second locking member extending toward the receiving groove is rotatably connected to the upper edge of the side for reciprocating flipping of the second locking member to expose or cover the receiving groove.
[0008] As a further embodiment of this utility model: the pleats include first pleats and second pleats. The main filtration area is formed by connecting several first pleats, and the secondary filtration area is formed by connecting several second pleats. The pleated surfaces of two adjacent second pleats near the side are connected to each other to form a receiving groove. The top of the first pleat is higher than the top of the second pleat, so as to form a height gap. The capping structure is set on the top of the second pleat to fill the height gap.
[0009] As a further embodiment of this utility model: the bottom surface of the first clip is bonded to the top of the second fold adjacent to the receiving groove; the bottom surface of the second clip is detachably connected to the top surface of the first clip, and the resulting thickness is used to fill the height gap; one side of the second clip extends toward the receiving groove until it covers the receiving groove; and at least one vent hole is provided on the end face of the second clip to allow the fragrance emitted by the fragrance component to flow out from the vent hole.
[0010] As a further embodiment of this utility model: the first locking member is disposed on the top of the second fold adjacent to the receiving groove and biased towards the main filter area, and the side of the second locking member extending toward the receiving groove is rotatably connected to the upper edge of the side for reciprocating flipping of the second locking member to expose or cover the receiving groove.
[0011] As a further embodiment of this utility model: the bottom surface of the second card holder and the top surface of the first card holder are magnetically connected.
[0012] As a further embodiment of this utility model: the bottom surface of the second card holder is connected to the top surface of the first card holder by means of Velcro.
[0013] As a further embodiment of this utility model: a first pleated element is provided near the side pleat, the outer surface of the first pleated element is fixedly connected to the inner surface of the side pleat, and the cover structure includes a bent element provided on the top of the first pleated element. One end of the bent element is rotatably connected to the top of the first pleated element, and the other end of the bent element extends to the receiving groove for flipping the bent element so that the bent element covers the receiving groove. The side of the bent element facing the receiving groove is provided with a retaining edge for insertion into the receiving groove.
[0014] As a further embodiment of this utility model: the filter element body is continuously folded to form pleats with a triangular waveform cross section.
[0015] Compared with the prior art, the beneficial effects of this utility model are: 1. By installing the fragrance components near the left and right sides, the area exposed to strong airflow from the air conditioner can be effectively avoided. This reduces the impact of the car's air conditioning on the evaporation rate of the fragrance components, allowing them to release fragrance stably and continuously for a longer period, thus improving the overall performance of the filter.
[0016] 2. By setting a sealing structure, the first and second clips are detachably connected. Flipping the second clip exposes the receiving slot covered by the second clip, and the fragrance component inside the receiving slot can be taken out for replacement. This is conducive to the efficient use of the entire filter element. When the fragrance in the filter element is exhausted, there is no need to replace the entire filter element. Only the fragrance component needs to be replaced to release the fragrance again, which is highly economical and practical.
[0017] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description
[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0019] Figure 1 This is a schematic diagram of the structure of the car fragrance filter element in this utility model.
[0020] Figure 2 This is an exploded view of the car fragrance filter element of this utility model.
[0021] Figure 3 This is a top view of the car fragrance filter element of this utility model.
[0022] Figure 4 yes Figure 3 Sectional view at point AA.
[0023] Figure 5 This is a schematic diagram of the filter element body in this utility model.
[0024] Figure 6 This is a partial cross-sectional view of the automotive fragrance filter (hidden fragrance component) of this utility model.
[0025] Figure 7 This is a schematic diagram of the structure of the second clip of the car fragrance filter element in this utility model when it is flipped.
[0026] Figure 8 This is a partial cross-sectional schematic diagram of another embodiment of the sealing structure in the automotive fragrance filter element of this utility model.
[0027] In the diagram: 2. Filter body; 3. Fragrance component; 4. Pleats; 41. First pleat; 42. Second pleat; 43. Height gap; 5. Sealing structure; 51. First locking component; 52. Second locking component; 521. Vent hole; 6. Receiving groove; 21. Main filtration zone; 22. Secondary filtration zone; 23. First pleated component; 24. Bending component; 25. Edge clamping; 7. Side. Detailed Implementation
[0028] The technical solutions in the embodiments of this utility model will be clearly and completely described below. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0029] In the description of the embodiments of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not 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 utility model.
[0030] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.
[0031] In this embodiment of the 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 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. Those skilled in the art can understand the specific meaning of the above terms in this embodiment of the invention according to the specific circumstances.
[0032] Please see Figures 1-6 This utility model discloses a car fragrance filter element, including a filter element body 2. The filter element body 2 is continuously folded to form a number of pleats 4. Side edges 7 are provided around the edges of the filter element body 2. The filter element body 2 includes a main filter area 21 located in the middle of the filter element body 2 for filtering the air with strong flow from the air conditioner output end and a secondary filter area 22 located around the outer edge of the main filter area 21 for filtering the air with weak flow from the air conditioner output end. Two adjacent pleated surfaces in the secondary filter area 22 are connected to form a receiving groove 6. The receiving groove 6 is provided with a fragrance component 3 for evaporating fragrance. The opening of the receiving groove 6 is provided with a sealing structure 5 to prevent the fragrance component 3 from falling out of the receiving groove 6.
[0033] The sealing structure 5 includes a first retaining member 51 and a second retaining member 52. The bottom surface of the first retaining member 51 is bonded to the top of the pleats 4 adjacent to the receiving groove 6. The bottom surface of the second retaining member 52 is detachably connected to the top surface of the first retaining member 51. One side of the second retaining member 52 extends towards the receiving groove 6 until it covers the receiving groove 6. At least one vent hole 521 is provided on the end face of the second retaining member 52 to allow the fragrance emitted by the fragrance component 3 to flow out through the vent hole 521. Specifically, the two adjacent pleated surfaces on the left and right sides of the secondary filtration zone can be connected to form receiving grooves 6 respectively. The fragrance component 3 can be a fragrance, and the cross-sectional shape of the fragrance component 3 is the same as the cross-sectional shape of the receiving groove 6, so that the fragrance component 3 can be placed in the receiving groove 6. At the same time, the receiving groove 6 also has a certain retaining effect on the fragrance component 3.
[0034] Further as Figure 8As shown, in another embodiment of this utility model, the sealing structure can also adopt the following scheme: the pleats 4 near the side 7 are provided with a first pleated member 23, the outer surface of the first pleated member 23 is fixedly connected to the inner surface of the side 7, and the sealing structure 5 includes a bent member 24 provided on the top of the first pleated member 23. One end of the bent member 24 is rotatably connected to the top of the first pleated member 23, and the other end of the bent member 24 extends to the receiving groove 6 for flipping the bent member 24 so that the bent member 24 covers the receiving groove 6. The side of the bent member 24 facing the receiving groove 6 is provided with a retaining edge 25 for insertion into the receiving groove 6. Specifically, the bent member 24 and the first pleated member 23 are integrally formed.
[0035] Further as Figures 2-5 As shown, in this embodiment of the present invention, the pleats 4 include first pleats 41 and second pleats 42. The main filtration zone is formed by connecting several first pleats 41, and the secondary filtration zone 22 is formed by connecting several second pleats 42. The pleated surfaces of two adjacent second pleats 42 near the side 7 are connected to form a receiving groove 6. The fragrance component 3 is placed in the receiving groove 6. The top of the first pleat 41 is higher than the top of the second pleat 42, making the filter body 2 form a "convex" structure, so that a height gap 43 is formed between the top of the second pleat 42 and the top of the first pleat 41. A capping structure 5 is provided at the top of the receiving groove 6 to fill the height gap 43 and also to restrict the movement of the fragrance component 3 in the longitudinal direction to prevent the fragrance component 3 from falling out of the receiving groove 6. Specifically, a first retaining member 51 is bonded to the top of the second pleat 42 adjacent to the receiving groove 6. The thickness formed when the second retaining member 52 and the first retaining member 51 are connected to each other just fills the height gap, making the overall filter element more visually appealing and without any protrusions on the surface.
[0036] Further as Figure 2 As shown, in an embodiment of this utility model, a number of ventilation holes 521 can be opened and arranged on the end face of the second clip 52. The arrangement of the ventilation holes 521 can refer to the following scheme: nine ventilation holes 521 are opened on the end face of the second clip 52, and three ventilation holes 521 are adjacent to each other as a group, and a total of three groups are formed. Each group is evenly distributed on the end face of the second clip in the front and back direction so that the fragrance component 3 can be evenly diffused out.
[0037] Further as Figures 2-4 As shown, in an embodiment of this utility model, the bottom surface of the second clip 52 and the top surface of the first clip 51 are magnetically connected. Specifically, a magnetic sheet can be adhered to the bottom surface of the second clip 52, and the first clip 51 can be a magnetic sheet or a metal with a certain magnetic properties, including but not limited to iron or nickel.
[0038] Further as Figures 2-4As shown, in another embodiment of this utility model, the bottom surface of the second card holder 52 and the top surface of the first card holder 51 are connected by Velcro. Specifically, a rough-surface Velcro is attached to the bottom surface of the second card holder 52, and a barbed Velcro is attached to the top surface of the first card holder. The connection between the first card holder 51 and the second card holder 52 can be achieved by the mutual adhesion of the rough-surface and barbed Velcro. Similarly, the second card holder 52 can also be provided with barbed Velcro, and the first card holder 51 can be provided with rough-surface Velcro to achieve the above-mentioned adhesion effect.
[0039] Further as Figures 6-7 As shown, in an embodiment of this utility model, the second latching member 52 is rotatably connected to the upper edge of the side 7 near the side 7 for flipping the second latching member 52 to expose the receiving groove 6. Specifically, the second latching member 52 and the side 7 can be integrally formed, and the side 7 can be made of rigid cardboard. By pressing creases, the second latching member 52 can be flipped, providing good durability. The side 7 and the second latching member 52 can also be made of plastic materials with good flexibility and durability, such as polypropylene (PP), polyethylene (PE), polyvinyl chloride (PVC), etc. Pressing creases at the joint between the second latching member 52 and the side 7 allows the second latching member 52 to achieve the flipping effect.
[0040] Further as Figure 4 As shown, in an embodiment of this utility model, the filter element body 2 is made of polypropylene nonwoven fabric. The filter element body 2 is formed by folding the polypropylene nonwoven fabric in a pleated manner.
[0041] Further as Figure 5 As shown, in an embodiment of this utility model, the filter element body 2 is continuously folded to form pleats 4 with a triangular waveform cross-section. The included angle between any two adjacent pleats 4 is the same.
[0042] The working principle of this utility model is as follows: By setting the sealing structure 5, the first locking member 51 and the second locking member 52 are detachably connected. Flipping the second locking member 52 can expose the receiving groove 6 covered by the second locking member 52. The fragrance component 3 is placed in the receiving groove 6 located on both sides of the filter body 2. Then, the second locking member 52 is flipped to the second locking member 52 connection. At this time, the fragrance emitted by the fragrance component 3 can flow out from the air outlet, effectively avoiding the area where the air blows the car air conditioner with strong airflow. This can reduce the impact of the car air conditioner on the evaporation rate of the fragrance component 3, so that the fragrance component 3 can stably and continuously emit fragrance for a long time. When the fragrance component 3 is exhausted, the second locking member 52 is flipped again to take out the fragrance component 3 in the receiving groove 6 for replacement. This is conducive to the efficient use of the entire filter element. There is no need to replace the entire filter element. Only the fragrance component 3 needs to be replaced to release fragrance again.
[0043] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention.
Claims
1. A fragrance cartridge for a vehicle, characterized by, The filter includes a filter body, which is continuously folded to form several pleats. Side edges are provided around the edges of the filter body. The filter body includes a main filtration zone located in the middle of the filter body for filtering the air with strong flow from the air conditioner output end, and a secondary filtration zone surrounding the outer edge of the main filtration zone for filtering the air with weak flow from the air conditioner output end. Two adjacent pleated surfaces in the secondary filtration zone are connected to form a receiving groove. A fragrance component for evaporating fragrance is provided in the receiving groove. The opening of the receiving groove is provided with a sealing structure to prevent the fragrance component from falling out of the receiving groove.
2. The automotive fragrance cartridge of claim 1, wherein, The capping structure includes a first latching member and a second latching member. The first latching member is located above the receiving groove and its bottom is attached to the top of the pleats. The bottom surface of the second latching member is detachably connected to the top surface of the first latching member. One side of the second latching member extends toward the receiving groove until it covers the receiving groove. The end face of the second latching member has at least one vent hole for allowing the fragrance emitted by the fragrance component to flow out through the vent hole.
3. The automotive fragrance cartridge of claim 2, wherein, The first locking element is located on the top of the pleats adjacent to the receiving groove and biased towards the main filter area. The second locking element is rotatably connected to the upper edge of the side extending towards the receiving groove for reciprocating flipping of the second locking element to expose or cover the receiving groove.
4. The automotive fragrance cartridge of claim 2, wherein, The pleats include first pleats and second pleats. The main filtration zone is formed by connecting several first pleats, and the secondary filtration zone is formed by connecting several second pleats. The pleated surfaces of two adjacent second pleats near the side are connected to each other to form a receiving groove. The top of the first pleat is higher than the top of the second pleat, so as to form a height gap. The capping structure is set on the top of the second pleat to fill the height gap.
5. The automotive fragrance cartridge of claim 4, wherein, The bottom surface of the first clip is bonded to the top of the second fold adjacent to the receiving groove. The bottom surface of the second clip is detachably connected to the top surface of the first clip, and the resulting thickness is used to fill the height gap. One side of the second clip extends toward the receiving groove until it covers the receiving groove. The end face of the second clip is provided with at least one vent hole for the fragrance of the fragrance component to flow out from the vent hole.
6. The automotive fragrance cartridge of claim 5, wherein, The first locking element is disposed on the top of the second fold adjacent to the receiving groove and biased towards the main filter area. The side of the second locking element extending toward the receiving groove is rotatably connected to the upper edge of the side for reciprocating flipping of the second locking element to expose or cover the receiving groove.
7. The automotive fragrance cartridge of claim 2 or claim 5, wherein, The bottom surface of the second card and the top surface of the first card are magnetically connected.
8. The automotive fragrance cartridge of claim 2 or claim 5, wherein, The bottom surface of the second card is connected to the top surface of the first card via Velcro.
9. The automotive fragrance cartridge of claim 1, wherein, The pleats near the side are provided with a first pleated element. The outer surface of the first pleated element is fixedly connected to the inner surface of the side. The cover structure includes a bent element provided on the top of the first pleated element. One end of the bent element is rotatably connected to the top of the first pleated element, and the other end of the bent element extends to the receiving groove for flipping the bent element so that the bent element covers the receiving groove. The side of the bent element facing the receiving groove is provided with a retaining edge for insertion into the receiving groove.
10. The automotive fragrance cartridge of claim 1, wherein, The filter element body is continuously folded to form pleats with a triangular waveform cross section.