High-efficiency filter with replaceable filter element

Abstract

The utility model relates to the technical field of air purifiers, in particular to a high-efficiency filter with a replaceable filter element, which aims at solving the technical problem of overcoming the defect of complex replacement of the filter element in the prior art and is mainly realized through the following technical scheme: the high-efficiency filter with the replaceable filter element comprises an upper cover, a box body and an inner filter element, the upper cover and the box body are further connected through a plurality of connecting pieces, the inner filter element is clamped between the upper cover and the box body, the inner filter element comprises a plurality of groups of bonded V-shaped inner cores, the inner cores are bonded through connecting adhesive tapes, sealing strips are further arranged on the inner cores, the connecting pieces comprise hooks and hasps, the hooks are fixed at the bottom of the side wall of the upper cover, the hasps are embedded in the side wall of the box body, and the sealing strips are arranged on the hasps. During replacement, only the inner filter element is replaced, the frame and other parts are reused, material waste is reduced, operation is simple during replacement and disassembly, and the situation of peripheral air leakage can be reduced after the connecting piece is locked.

Description

Technical Field

[0001] The utility model relates to the technical field of air purifiers, and particularly relates to a high-efficiency filter with replaceable filter elements. Background Art

[0002] Modern life is full of various harmful substances, such as harmful gases like formaldehyde and benzene released from new house decoration materials and new furniture, as well as PM2.5, bacteria, viruses, etc. in outdoor air. Long-term inhalation of these harmful substances will cause serious harm to human health. To address this problem, air filtration and purification devices have emerged. With the improvement of people's living quality and the increasing attention to health, the demand for air purification equipment has been growing year by year.

[0003] At present, there are various types of air purification and filtration devices on the market, but most of the products are disposable consumables as a whole, and there are problems that parts cannot be reused. When the filter device needs to be replaced, the entire device often needs to be replaced, resulting in parts such as the frame not being reusable, causing material waste, and the use cost and waste treatment cost being relatively high. This design is not conducive to environmental protection and sustainable development; for a small number of existing filters with replaceable filter elements, the operation is inconvenient during replacement, and there may be a relatively complex locking structure between the filter and the ventilation equipment, and the disassembly is complex, reducing the replacement efficiency. Summary of the Utility Model

[0004] Therefore, the technical problem to be solved by the utility model is to overcome the defect of complex filter element replacement in the prior art, so as to provide a high-efficiency filter with replaceable filter elements.

[0005] The above technical object of the utility model is achieved by the following technical solutions:

[0006] A high-efficiency filter with replaceable filter elements, including an upper cover, a box body and an inner filter element. The upper cover is arranged on the top of the box body and is snap-connected with the box body. The upper cover and the box body are also connected by a plurality of connecting pieces. An air inlet is opened on the upper cover, and an air outlet is opened at the bottom of the box body. The inner filter element is snap-connected between the upper cover and the box body. The inner filter element includes multiple groups of V-shaped inner cores arranged horizontally side by side, and the inner cores are adhesively arranged between them.

[0007] By adopting the above technical solutions, a filter with a replaceable inner filter element is provided. The filter frame is divided into two parts, an upper cover and a box body. The upper cover and the box body are locked by connecting pieces, and the disassembly and assembly are convenient. The inner filter element adopts a structure with multiple V-shaped arrangements, which can be used as a flat replacement for various standard V-shaped and W-shaped high-efficiency filters, and the sizes of the upper cover, the box body and the number of V-shapes of the inner filter element can all be customized according to requirements, and the applicability is better than that of the standard V-shaped and W-shaped high-efficiency filters on the market.

[0008] Furthermore, the bottom of the upper cover is provided with a plurality of upper support bars which are clamped together with the inner filter element, the upper support bars are in a U-shape with an opening downward and are arranged along the width direction of the upper cover, the upper support bars are arranged in an array along the length direction of the upper cover, and the bottom of the box body is provided with a plurality of lower support bars which are clamped together with the inner filter element, the lower support bars are in a U-shape with an opening upward and are arranged along the width direction of the box body, the lower support bars are arranged in an array along the length direction of the box body, the upper support bars are spaced apart from the lower support bars, and opposite end support bars are further provided at both ends of the bottom of the box body, the end support bars are in an L-shape, the end support bars open toward the inner wall of the box body close to the end support bars and form a U-shape with the inner wall, and the height of the end support bars is higher than the height of the lower support bars.

[0009] By adopting the above technical solution, upper support bars, lower support bars and end support bars are set to cooperate with the fixed inner filter element, and the positions of the upper support bars and the lower support bars correspond to the top angle positions of the inner filter element. The end support bars are engaged with the two ends of the inner filter element to achieve overall limiting, thereby avoiding displacement and shaking of the inner filter element during use, thereby avoiding affecting the filtering effect.

[0010] Furthermore, the upper support bar is connected to the upper cover by bolts, and two fixing holes arranged in parallel are opened at both ends of the upper support bar in the length direction, and the upper cover is also provided with fixing holes corresponding to the upper support bar, and the lower support bar is connected to the box body by bolts, and two fixing holes arranged in parallel are opened at both ends of the lower support bar in the length direction, and parallel fixing holes are also opened at both ends of the end support bar in the length direction.

[0011] By adopting the above technical solution, the assembled upper support bar and upper cover, lower support bar and box body are easy to disassemble and assemble according to inner filter elements of different sizes, and are also easy to disassemble and recycle after the product is scrapped, thereby reducing waste of resources.

[0012] Furthermore, the inner filter element is clamped between the upper support bar and the lower support bar, the bottoms of both ends of the inner filter element are clamped in the end support bars, the inner core opening is set downward, a connecting strip is pasted at the top corner of each inner core, and a connecting strip is also pasted between two adjacent inner cores.

[0013] By adopting the above technical solution, the inner cores are fixed together by connecting rubber strips. When not in use, the filter elements can be folded and stacked. When in use, the inner cores only need to be pulled apart to form a V shape.

[0014] Furthermore, a sealing strip is provided on the inner core, and the sealing strip includes a top corner seal, a side seal and an end seal. The top corner seal is provided at the top corner of each inner core and is located on the side of the connecting strip away from the inner core. The top corner seal is also provided between two adjacent inner cores and is located on the side of the connecting strip away from the inner core. The side seal is located at the opposite ends of the inner core, and the end seal is located at the bottom of the two ends of the inner filter element.

[0015] By adopting the above technical solution, setting the sealing strip can ensure that there is no installation gap between the inner filter element and the upper cover and the box body, and guarantee the overall sealing performance of the filter.

[0016] Furthermore, the outer side of the top corner seal fits the inner wall shapes of the upper support strip and the lower support strip, and a filling seal extends on the side of the top corner seal close to the inner core.

[0017] By adopting the above technical solution, the top corner seal matches the shapes of the upper support strip and the lower support strip, which is convenient for clamping the upper and lower top corners of the inner filter element to ensure smooth clamping. The filling seal fills the gap between the two Vs, facilitating the flatness of the top and bottom after clamping.

[0018] Furthermore, a plurality of positioning blocks are also arranged in the upper cover, a plurality of positioning grooves are correspondingly opened on the top of the box body for the positioning blocks, and the positioning blocks are arranged between two adjacent upper support strips.

[0019] By adopting the above technical solution, setting the cooperation of the positioning blocks and the positioning grooves ensures the accurate clamping position between the upper cover and the box body, and also facilitates the fixed clamping of the upper support strip and the lower support strip to the inner filter element.

[0020] Furthermore, the connecting piece includes a hook and a buckle. The hook is fixed at the bottom of the side wall of the upper cover, the width of the hook is not greater than the thickness of the side wall of the upper cover, and the buckle is embedded in the side wall of the box body.

[0021] By adopting the above technical solution, the upper cover and the box body are locked through the hook and the buckle. After the buckle is hung on the hook, it is fastened. On the one hand, the connection between the hook and the buckle is firm, reducing the gap between the inner filter element and the upper cover and the box body, and avoiding serious air leakage around. On the other hand, the setting of the hook and the buckle is convenient for operation and disassembly, facilitating the replacement of the inner filter element and reducing the complexity of disassembly and assembly; by controlling the thickness of the hook and the position of the buckle, it is ensured that the outer side of the overall filter is flat, avoiding protrusions from affecting the installation of the filter and the ventilation equipment.

[0022] In summary, the technical solution of the present utility model has the following advantages:

[0023] 1. The high-efficiency filter with replaceable filter element provided by the present utility model is provided with a filter with a replaceable inner filter element. The filter frame is divided into two parts: an upper cover and a box body, and the upper cover and the box body are locked through a connecting piece, which is convenient for disassembly and assembly.

[0024] 2. The high-efficiency filter with replaceable filter element provided by the present utility model has multiple inner cores bonded with a connecting rubber strip to form an inner filter element, and then a sealing strip is pasted around. The sealing strip can ensure that there is no installation gap between the inner filter element and the frame when the inner filter element is installed in the upper cover and the box body, and guarantee the overall sealing performance of the filter.

[0025] 3. The high-efficiency filter with replaceable filter element provided by the present utility model adopts a method of partially embedded installation of the connecting piece, ensuring that there are no protruding parts on the outer side of the upper cover and the box body, which will not affect the overall installation, and can effectively replace the conventional filters on the market. Brief Description of the Drawings

[0026] In order to more clearly illustrate the specific embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0027] Figure 1 It is a schematic diagram of the overall structure of a high-efficiency filter with replaceable filter element provided in an embodiment of the present utility model;

[0028] Figure 2 It is an exploded schematic diagram of a high-efficiency filter with replaceable filter element provided in an embodiment of the present utility model;

[0029] Figure 3 It is a sectional schematic diagram of a high-efficiency filter with replaceable filter element provided in an embodiment of the present utility model.

[0030] Description of the Reference Numerals:

[0031] 1. Upper cover; 11. Air inlet; 12. Upper support bar; 13. Positioning block; 2. Box body; 21. Air outlet; 22. Lower support bar; 23. End support bar; 24. Positioning groove; 3. Inner filter element; 31. Inner core; 32. Connecting rubber strip; 33. Sealing strip; 331. Top corner seal; 3311. Filling seal; 332. Side seal; 333. End seal; 4. Connecting piece; 41. Hook; 42. Buckle; 5. Fixing hole. Detailed Description of the Embodiments

[0032] The following will further elaborate on the present utility model in conjunction with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0033] A high-efficiency filter with replaceable filter element, as Figure 1 and Figure 3As shown in the figure, it includes an upper cover 1, a box body 2, and an inner filter element 3. The upper cover 1 is arranged on the top of the box body 2 and is snap-connected to the box body 2. The upper cover 1 and the box body 2 are also connected by a plurality of connecting members 4. An air inlet 11 is provided on the upper cover 1, and an air outlet 21 is provided at the bottom of the box body 2. The inner filter element 3 is snap-connected between the upper cover 1 and the box body 2. The inner filter element 3 includes a plurality of groups of V-shaped inner cores 31 arranged horizontally in parallel. The V-shaped openings of the inner cores 31 are arranged downward, and the inner cores 31 are adhesively arranged between them.

[0034] A plurality of positioning blocks 13 are also arranged inside the upper cover 1. A plurality of positioning grooves 24 are provided on the top of the box body 2 corresponding to the positioning blocks 13. The positioning blocks 13 are arranged between two adjacent upper support bars 12. The cooperation of the positioning blocks 13 and the positioning grooves 24 ensures the accurate engagement position between the upper cover 1 and the box body 2, and also facilitates the fixed engagement of the upper support bars 12 and the lower support bars 22 with the inner filter element 3.

[0035] A filter with a replaceable inner filter element 3 is provided. The filter frame is divided into two parts: an upper cover 1 and a box body 2. The upper cover 1 and the box body 2 are locked by a connecting member 4, and the disassembly and assembly are convenient. The inner filter element 3 adopts a structure with a plurality of V-shaped arrangements, which can replace various standard V-shaped and W-shaped high-efficiency filters. Moreover, the sizes of the upper cover 1, the box body 2, and the number of V-shapes of the inner filter element 3 can all be customized according to requirements, and the applicability is better than that of standard V-shaped and W-shaped high-efficiency filters on the market.

[0036] As Figure 1 and Figure 3 shown in the figure, the connecting member 4 includes a hook 41 and a buckle 42. The hook 41 is fixed at the bottom of the side wall of the upper cover 1, and the width of the hook 41 is not greater than the thickness of the side wall of the upper cover 1. The buckle 42 is embedded in the side wall of the box body 2. The upper cover 1 and the box body 2 are locked by the hook 41 and the buckle 42. After the buckle 42 is hooked on the hook 41, it is fastened. On the one hand, the connection between the hook 41 and the buckle 42 is firm, reducing the gap between the inner filter element 3 and the upper cover 1 and the box body 2, and avoiding serious air leakage around. On the other hand, the setting of the hook 41 and the buckle 42 is convenient for operation and disassembly, facilitating the replacement of the inner filter element 3 and reducing the complexity of disassembly and assembly; by controlling the thickness of the hook 41 and the position of the buckle 42, it is ensured that the outer side surface of the overall filter is flat, avoiding protrusions from affecting the installation of the filter and the ventilation equipment.

[0037] As Figure 2 and Figure 3 shown in the figure, a plurality of upper support bars 12 are arranged at the bottom of the upper cover 1 and are snap-connected to the inner filter element 3. The upper support bars 12 are in a U shape with an opening downward. The upper support bars 12 are arranged along the width direction of the upper cover 1 and are arranged in an array along the length direction of the upper cover 1.

[0038] The bottom of the box body 2 is provided with a plurality of lower support bars 22 which are connected with the inner filter element 3. The lower support bars 22 are U-shaped with the opening facing upwards. The lower support bars 22 are arranged along the width direction of the box body 2 and are arranged in an array along the length direction of the box body 2. The upper support bars 12 and the lower support bars 22 are arranged at intervals.

[0039] The box body 2 is also provided with opposite end support bars 23 at both ends of the bottom, and the end support bars 23 are arranged at the left and right ends of the bottom of the box body 2 and arranged along the width direction of the box body 2. The end support bars 23 are L-shaped, and the end support bars 23 open toward the inner wall of the box body 2 close to the end support bars 23 and form a U shape with the inner wall. The height of the end support bars 23 is higher than the height of the lower support bars 22.

[0040] An upper support bar 12, a lower support bar 22 and an end support bar 23 are provided to cooperate in fixing the inner filter element 3, and the positions of the upper support bar 12 and the lower support bar 22 correspond to the top angle positions of the inner filter element 3, and the end support bar 23 engages with the two ends of the inner filter element 3 to achieve overall positioning, thereby preventing the inner filter element 3 from shifting and shaking during use, thereby avoiding affecting the filtering effect.

[0041] like Figure 2 and Figure 3 As shown, the upper support bar 12 is connected to the upper cover 1 by bolts (not shown in the figure), and two fixing holes 5 arranged in parallel are provided at both ends of the length direction of the upper support bar 12, and the upper cover 1 is also provided with fixing holes 5 corresponding to the upper support bar 12, and the lower support bar 22 is connected to the box body 2 by bolts (not shown in the figure), and two fixing holes 5 arranged in parallel are provided at both ends of the length direction of the lower support bar 22, and fixing holes 5 arranged in parallel are also provided at both ends of the length direction of the end support bar 23. The upper cover 1 and the box body 2 are also assembled from sheet metal plates, and the assembled upper support bar 12 and the upper cover 1, the lower support bar 22 and the box body 2 are convenient for disassembly and assembly according to the inner filter element 3 of different sizes, and are also convenient for disassembly and recycling of the product after it is scrapped, reducing resource waste.

[0042] like Figure 2 and Figure 3 As described above, the inner filter element 3 is clamped between the upper support bar 12 and the lower support bar 22, and the bottoms of both ends of the inner filter element 3 are clamped and arranged in the end support bars 23. A connecting rubber strip 32 is pasted at the top corner of each inner core 31, and a connecting rubber strip 32 is also pasted between two adjacent inner cores 31. The inner cores 31 are fixedly connected together by the connecting rubber strip 32. When not in use, the filter element can be folded and stacked. When in use, it only needs to pull the inner core 31 apart to form a V shape.

[0043] A sealing strip 33 is also provided on the inner core 31. The sealing strip 33 includes a top corner seal 331, a side seal 332, and an end seal 333. The top corner seal 331 is provided at each top corner of the inner core 31 and on the side of the connecting rubber strip 32 away from the inner core 31, i.e., the outer side of the connecting rubber strip 32. The top corner seal 331 is also provided between two adjacent inner cores 31 and on the side of the connecting rubber strip 32 away from the inner core 31. The side seal 332 is located at opposite ends of the inner core 31, and the end seal 333 is located at the bottom of both ends of the inner filter element 3. The provision of the sealing strip 33 can ensure that there is no installation gap between the inner filter element 3 and the upper cover 1 and the box body 2, and guarantee the overall sealing performance of the filter.

[0044] The outer side of the top corner seal 331 fits the inner wall shapes of the upper support strip 12 and the lower support strip 22. A filling seal 3311 extends from the side of the top corner seal 331 close to the inner core 31. The cooperation of the top corner seal 331 with the shapes of the upper support strip 12 and the lower support strip 22 facilitates the clamping of the upper and lower top corners of the inner filter element 3 to ensure smooth clamping. The filling seal 3311 fills the gap between the two Vs to make the top and bottom flat after clamping.

[0045] The working principle and usage method of this replaceable high-efficiency filter element: Select the sizes of the upper cover 1 and the box body 2 according to customer requirements, and determine the number of inner cores 31 of the inner filter element 3. Assemble the corresponding upper support strip 12, lower support strip 22, and two end support strips 23 in cooperation with the number of inner cores 31; after assembling the box body 2 with the lower support strip 22 and the end support strips 23, snap the inner core 31 bonded with the sealing strip 33 into the box body 2, then snap the upper cover 1 onto the box body 2, and finally lock the buckle 42 with the hook 41 to complete the assembly of the filter; when replacing, remove the filter, unlock the buckle 42 and the hook 41, take out the inner filter element 3 and replace it, clean the upper support strip 12, lower support strip 22, and two end support strips 23 and then assemble and snap them in again to complete the replacement operation.

[0046] The above description shows and describes the preferred embodiments of the present invention. As mentioned above, it should be understood that the present invention is not limited to the form disclosed herein, should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications, and environments, and can be changed within the scope of the inventive concept described herein through the above teachings or the technology or knowledge in the relevant field. And any changes and modifications made by those skilled in the art without departing from the spirit and scope of the present invention should fall within the protection scope of the appended claims of the present invention.

Claims

1. A high efficiency filter with a replaceable filter element, characterized in that: The invention comprises an upper cover (1), a box body (2) and an inner filter element (3); the upper cover (1) is arranged on the top of the box body (2) and is snap-connected with the box body (2); the upper cover (1) and the box body (2) are connected via a plurality of connecting members (4); an air inlet (11) is provided on the upper cover (1); an air outlet (21) is provided at the bottom of the box body (2); the inner filter element (3) is snap-connected between the upper cover (1) and the box body (2); the inner filter element (3) comprises a plurality of groups of V-shaped inner cores (31) which are arranged in parallel in a transverse direction; the inner cores (31) are bonded to each other.

2. A high efficiency filter with replaceable filter element according to claim 1, characterized in that: The bottom of the upper cover (1) is provided with a plurality of upper support bars (12) which are clamped and arranged with the inner filter element (3); the upper support bars (12) are in a U-shape with an opening downward and are arranged along the width direction of the upper cover (1); the upper support bars (12) are arranged in an array along the length direction of the upper cover (1); the bottom of the box body (2) is provided with a plurality of lower support bars (22) which are clamped and arranged with the inner filter element (3); the lower support bars (22) are in a U-shape with an opening upward and are arranged along the width direction of the box body (2); The lower support bars (22) are arranged in an array along the length direction of the box body (2), the upper support bars (12) and the lower support bars (22) are arranged at intervals, and opposite end support bars (23) are also arranged at both ends of the bottom of the box body (2), the end support bars (23) are L-shaped, the end support bars (23) are opened toward the inner wall of the box body (2) close to the end support bars (23) and form a U-shape with the inner wall, and the height of the end support bars (23) is higher than the height of the lower support bars (22).

3. A high efficiency filter with replaceable filter element according to claim 2, characterized in that: The upper support bar (12) is connected to the upper cover (1) by bolts, and two fixing holes (5) arranged in parallel are provided at both ends of the length direction of the upper support bar (12), and the upper cover (1) is also provided with a fixing hole (5) corresponding to the upper support bar (12). The lower support bar (22) is connected to the box body (2) by bolts, and two fixing holes (5) arranged in parallel are provided at both ends of the length direction of the lower support bar (22), and the fixing holes (5) arranged in parallel are also provided at both ends of the length direction of the end support bar (23).

4. A high efficiency filter with replaceable filter element according to claim 2, characterized in that: The inner filter element (3) is clamped between the upper support bar (12) and the lower support bar (22); the bottoms of both ends of the inner filter element (3) are clamped and arranged in the end support bars (23); the inner core (31) is opened downward; a connecting rubber strip (32) is pasted at the top corner of each inner core (31); and a connecting rubber strip (32) is also pasted between two adjacent inner cores (31).

5. A high efficiency filter with replaceable filter element according to claim 4, characterized in that: The inner core (31) is also provided with a sealing strip (33), the sealing strip (33) comprising a top corner seal (331), a side seal (332) and an end seal (333), the top corner seal (331) being provided at the top corner of each inner core (31) and being located on the side of the connecting rubber strip (32) away from the inner core (31), the top corner seal (331) being provided between two adjacent inner cores (31) and being located on the side of the connecting rubber strip (32) away from the inner core (31), the side seal (332) being located at two opposite ends of the inner core (31), and the end seal (333) being located at the bottom of both ends of the inner filter element (3).

6. A high efficiency filter with replaceable filter element according to claim 5, characterized in that: The outer side of the top corner seal (331) fits the inner wall shape of the upper support strip (12) and the lower support strip (22), and a filling seal (3311) extends from the side of the top corner seal (331) close to the inner core (31).

7. A high efficiency filter with replaceable filter element according to claim 2, characterized in that: A plurality of positioning blocks (13) are also arranged in the upper cover (1), and a plurality of positioning grooves (24) are provided on the top of the box body (2) corresponding to the positioning blocks (13), and the positioning blocks (13) are arranged between two adjacent upper support bars (12).

8. A high efficiency filter with replaceable filter element according to claim 7, characterized in that: The connecting piece (4) comprises a hook (41) and a buckle (42); the hook (41) is fixed to the bottom of the side wall of the upper cover (1); the width of the hook (41) is not greater than the thickness of the side wall of the upper cover (1); and the buckle (42) is embedded in the side wall of the box body (2).

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