Air filter element with replaceable filter cotton

Abstract

The utility model provides an air filter element with replaceable filter cotton, and relates to the technical field of automobile accessories. Comprising an outer frame body, a detachable filter cotton structure is arranged in the outer frame body, and a lower positioning assembly for positioning the filter cotton structure is arranged in the outer frame body; wherein the upper side of the outer frame body is further provided with an upper positioning assembly used for conducting secondary positioning on the filter cotton structure, the filter cotton structure comprises center filter cotton, the center filter cotton is of a wave-shaped structure, and the center filter cotton is sequentially provided with a first groove part and a second groove part and can be positioned with the upper positioning block and the lower positioning block; the filter cotton structure and the outer frame body can be quickly assembled, the filter cotton structure can be positioned after being assembled, the mounting stability is good, the filter cotton structure can be detached, independent replacement of the filter cotton structure is completed, the whole device does not need to be replaced, the replacement cost of the device is greatly reduced, and the replacement efficiency of the device is improved. And the waste of the outer frame body is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile accessories, in particular to an air filter element with replaceable filter cotton. Background Art

[0002] The car's air filter is equipped with a filter element, which filters and purifies the air, effectively reducing the amount of pollutants that enter your car through the heating, ventilation and air-conditioning system. It is mainly responsible for removing particulate impurities in the air, creating a cleaner in-car environment.

[0003] Currently, air filters usually need to be replaced as a whole, and the internal filter cotton cannot be replaced individually. Replacing the entire filter will increase the replacement cost and cause waste of the air filter frame.

[0004] Therefore, it is necessary to provide an air filter element with replaceable filter cotton to solve the above technical problems. Utility Model Content

[0005] The utility model provides an air filter element with replaceable filter cotton, which solves the problem that the current air filter element usually needs to be replaced as a whole and the internal filter cotton cannot be replaced separately. The overall replacement will increase the replacement cost and cause waste of the air filter element frame.

[0006] In order to solve the above technical problems, the utility model provides an air filter element with replaceable filter cotton, comprising:

[0007] An outer frame, wherein a detachable filter cotton structure is disposed inside the outer frame, and a lower positioning component for positioning the filter cotton structure is disposed inside the outer frame;

[0008] Wherein, an upper positioning component for performing secondary positioning on the filter cotton structure is also arranged on the upper side of the outer frame.

[0009] Preferably, the filter cotton structure includes a central filter cotton, and the central filter cotton is a wave-shaped structure. A first groove portion and a second groove portion are sequentially arranged on the central filter cotton, and can be positioned with an upper positioning block and a lower positioning block.

[0010] Preferably, filter cotton ends are respectively arranged on both sides of the central filter cotton, and snap-in blocks are arranged on the filter cotton ends, and the snap-in blocks are connected to snap-in grooves, and the snap-in grooves are arranged on the two side surfaces of the outer frame, so that the central filter cotton can be positioned and installed with the outer frame.

[0011] Preferably, the lower positioning assembly comprises a lower positioning block, and the lower positioning block is engaged with the first groove portion for positioning, so as to perform primary positioning on the filter cotton structure and facilitate assembly of the filter cotton structure and the outer frame.

[0012] Preferably, the upper positioning assembly comprises an upper positioning block, the upper positioning block is engaged with the second groove portion for positioning, and the upper positioning block is connected to the outer frame through a mounting structure, so as to perform secondary positioning on the filter cotton structure.

[0013] Preferably, the mounting structure includes a mounting plate, which is arranged on one side surface of the upper positioning block, a clamping rod is arranged at the bottom of the mounting plate, the clamping rod is arranged in a positioning groove, and the positioning groove is arranged on the upper side surface of the outer frame, so as to fix the upper positioning plate.

[0014] Preferably, a guide hole is further provided in the positioning groove, a fixing pin is movably provided in the guide hole, one end of the fixing pin is clamped in the clamping hole, and the clamping hole is provided on the clamping rod, so as to fix the clamping rod in the positioning groove.

[0015] Preferably, a return spring is sleeved on the outer surface of the fixing pin, one end of the return spring is connected to the fixing pin, and one end of the return spring is connected to the guide hole. The elastic force of the return spring can drive the fixing pin to reset and move, so that the fixing pin can be automatically inserted into the card hole.

[0016] Compared with the related art, the air filter element with replaceable filter cotton provided by the utility model has the following beneficial effects:

[0017] The utility model can enable the filter cotton structure and the outer frame to be quickly assembled, and the filter cotton structure can be positioned after assembly, with good installation stability, and the filter cotton structure can be disassembled to complete independent replacement of the filter cotton structure without replacing the entire device, which greatly reduces the replacement cost of the device and avoids waste of the outer frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic structural diagram of a first embodiment of an air filter element with replaceable filter cotton provided by the utility model;

[0019] Figure 2 A schematic diagram of the structure of the filter cotton structure provided by the utility model;

[0020] Figure 3 for Figure 1 An enlarged schematic diagram of part A is shown;

[0021] Figure 4 A schematic diagram of the structure of the upper positioning assembly provided by the utility model;

[0022] Figure 5 A schematic diagram of the right side cross-sectional structure of the outer frame provided by the utility model;

[0023] Figure 6 for Figure 5 An enlarged schematic diagram of part B is shown.

[0024] Numbers in the figure:

[0025] 1. Outer frame, 2. Filter cotton structure, 3. Upper positioning assembly, 4. Positioning groove, 11. Lower positioning block, 12. Clamping groove, 21. Filter cotton end, 22. First groove portion, 23. Second groove portion, 24. Clamping block, 25. Center filter cotton, 31. Upper positioning block, 32. Mounting plate, 33. Clamping rod, 34. Clamping hole, 41. Guide hole, 42. Reset spring, 43. Pull plate, 44. Fixing pin. DETAILED DESCRIPTION

[0026] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0027] First embodiment

[0028] Please refer to Figure 1 , Figure 2 and Figure 3 ,in, Figure 1 A schematic structural diagram of a first embodiment of an air filter element with replaceable filter cotton provided by the utility model; Figure 2 A schematic diagram of the structure of the filter cotton structure provided by the utility model; Figure 3 for Figure 1 The enlarged schematic diagram of part A is shown. The air filter element with replaceable filter cotton includes:

[0029] An outer frame 1, a detachable filter cotton structure 2 is arranged inside the outer frame 1, and a lower positioning component for positioning the filter cotton structure 2 is arranged inside the outer frame 1;

[0030] An upper positioning component 3 for performing secondary positioning on the filter cotton structure 2 is also provided on the upper side of the outer frame 1 .

[0031] The filter cotton structure 2 includes a central filter cotton 25 . The central filter cotton 25 is a wave-shaped structure. A first groove portion 22 and a second groove portion 23 are sequentially arranged on the central filter cotton 25 , and the central filter cotton 25 can be positioned with the upper positioning block 31 and the lower positioning block 11 .

[0032] Filter cotton ends 21 are respectively arranged on both sides of the central filter cotton 25, and a clamping block 24 is arranged on the filter cotton end 21. The clamping block 24 is connected to the clamping groove 12, and the clamping groove 12 is arranged on the inner and outer side surfaces of the outer frame 1. The clamping block 24 is clamped into the clamping groove 12, so that the central filter cotton 25 and the outer frame 1 can be positioned and installed.

[0033] The working principle of the air filter element with replaceable filter cotton provided by the utility model is as follows:

[0034] First, align the snap-in block 24 on the filter cotton end 21 with the snap-in groove 12, and snap the snap-in block 24 into the snap-in groove 12, and position the central filter cotton 25 in the outer frame 1, and position the first groove portion 22 through the lower positioning component, and position the second groove portion 23 through the upper positioning component 3, and then fix the filter cotton structure 2 in the outer frame 1. When the filter cotton structure 2 needs to be replaced, the upper positioning component 3 is disassembled, and the filter cotton structure 2 is moved out of the outer frame 1, and the filter cotton structure 2 is replaced.

[0035] Compared with the related art, the air filter element with replaceable filter cotton provided by the utility model has the following beneficial effects:

[0036] The filter cotton structure 2 can be quickly assembled with the outer frame 1, and the filter cotton structure 2 can be positioned after assembly, with good installation stability. The filter cotton structure 2 can also be disassembled to complete independent replacement of the filter cotton structure 2, without the need to replace the entire device, which greatly reduces the replacement cost of the device.

[0037] Second embodiment

[0038] Please refer to Figure 1 , Figure 2 and Figure 3 Based on the replaceable filter cotton air filter provided in the first embodiment of the present application, the second embodiment of the present application proposes another replaceable filter cotton air filter. The second embodiment is only a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0039] Specifically, the difference of the air filter element with replaceable filter cotton provided in the second embodiment of the present application is that the lower positioning assembly of the air filter element with replaceable filter cotton includes a lower positioning block 11, and the lower positioning block 11 is clamped and positioned with the first groove portion 22, which can perform primary positioning of the filter cotton structure 2 and facilitate the assembly of the filter cotton structure 2 with the outer frame 1.

[0040] In this embodiment, during the installation of the filter cotton structure 2 , the first groove portion 22 on the central filter cotton 25 is brought into contact with the lower positioning block 11 , and the lower positioning block 11 is inserted into the first groove portion 22 , and the lower positioning block 11 performs primary positioning of the central filter cotton 25 .

[0041] Third embodiment

[0042] Please refer to Figure 4 , Figure 5 and Figure 6 Based on the replaceable filter cotton air filter provided in the first embodiment of the present application, the third embodiment of the present application proposes another replaceable filter cotton air filter. The third embodiment is only a preferred mode of the second embodiment, and the implementation of the third embodiment will not affect the independent implementation of the second embodiment.

[0043] Specifically, the difference of the replaceable filter cotton air filter element provided in the third embodiment of the present application is that, in the replaceable filter cotton air filter element, the upper positioning assembly 3 includes an upper positioning block 31, the upper positioning block 31 is clamped and positioned with the second groove portion 23, and the upper positioning block 31 is connected to the outer frame 1 through the mounting structure, so as to perform secondary positioning of the filter cotton structure 2.

[0044] The mounting structure includes a mounting plate 32, which is arranged on one side surface of the upper positioning block 31. A clamping rod 33 is arranged at the bottom of the mounting plate 32, and the clamping rod 33 is arranged in the positioning groove 4. The positioning groove 4 is arranged on the upper side of the outer frame 1, which can fix the upper positioning plate.

[0045] In this embodiment, after the central filter cotton 25 is initially positioned, the upper positioning block 31 is inserted into the second groove portion 23 on the central filter cotton 25, and the upper positioning block 31 performs secondary positioning on the central filter cotton 25. At the same time, the clamping rod 33 on the mounting plate 32 is inserted into the positioning groove 4 to fix the upper positioning block 31.

[0046] Furthermore, a guide hole 41 is also provided in the positioning groove 4, and a fixing pin 44 is movably provided in the guide hole 41. One end of the fixing pin 44 is clamped in the clamping hole 34. The clamping hole 34 is provided on the clamping rod 33. When the upper positioning block 31 is clamped into the second groove portion 23, the clamping rod 33 on the mounting plate 32 is clamped into the positioning groove 4. At the same time, the fixing pin 44 fixes the clamping rod 33, so that the clamping rod 33 can be fixed in the positioning groove 4.

[0047] As a specific embodiment of this application, please refer to Figure 5 and Figure 6 A return spring 42 is sleeved on the outer surface of the fixing pin 44, one end of the return spring 42 is connected to the fixing pin 44, and one end of the return spring 42 is connected to the guide hole 41. The elastic force of the return spring 42 can drive the fixing pin 44 to reset and move, so that the fixing pin 44 can be automatically inserted into the clamping hole 34. Specifically, one end of the fixing pin 44 is a hemispherical structure, which can facilitate the clamping rod 33 to automatically drive the fixing pin 44 to move. At the same time, a pull plate 43 is set at one end of the fixing pin 44 to facilitate the separation of the fixing pin 44 from the clamping hole 34.

[0048] In this embodiment, when the clamping rod 33 is inserted into the positioning groove 4, the clamping rod 33 squeezes the fixing pin 44, and the fixing pin 44 moves in the guide hole 41 and compresses the reset spring 42. When the fixing pin 44 moves to the position of the clamping hole 34, the reset spring 42 drives the fixing pin 44 to reset and insert the fixing pin 44 into the clamping hole 34, and fixes the clamping rod 33, thereby improving the firmness of the clamping rod 33. When disassembling, the fixing pin 44 can be separated from the clamping hole 34 by pulling the plate 43.

[0049] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. The air filter element with replaceable filter cotton is characterized by: include: An outer frame (1), wherein a detachable filter cotton structure (2) is arranged inside the outer frame (1), and a lower positioning component for positioning the filter cotton structure (2) is arranged inside the outer frame (1); Wherein, an upper positioning component (3) for performing secondary positioning on the filter cotton structure (2) is also provided on the upper side of the outer frame (1).

2. The air filter element with replaceable filter cotton according to claim 1, characterized in that: The filter cotton structure (2) comprises a central filter cotton (25), the central filter cotton (25) is a wave-shaped structure, and a first groove portion (22) and a second groove portion (23) are sequentially arranged on the central filter cotton (25).

3. The air filter element with replaceable filter cotton according to claim 2, characterized in that: Filter cotton ends (21) are respectively arranged on both sides of the central filter cotton (25), and a clamping block (24) is arranged on the filter cotton end (21), and the clamping block (24) is connected to the clamping groove (12), and the clamping groove (12) is arranged on both side surfaces of the inner side of the outer frame (1).

4. The air filter element with replaceable filter cotton according to claim 1, characterized in that: The lower positioning assembly comprises a lower positioning block (11), and the lower positioning block (11) is engaged with the first groove portion (22) for positioning.

5. The air filter element with replaceable filter cotton according to claim 1, characterized in that: The upper positioning assembly (3) comprises an upper positioning block (31), the upper positioning block (31) is engaged with the second groove portion (23) for positioning, and the upper positioning block (31) is connected to the outer frame (1) via a mounting structure.

6. The air filter element with replaceable filter cotton according to claim 5, characterized in that: The mounting structure comprises a mounting plate (32), the mounting plate (32) being arranged on a side surface of an upper positioning block (31), a clamping rod (33) being arranged at the bottom of the mounting plate (32), the clamping rod (33) being arranged in a positioning groove (4), and the positioning groove (4) being arranged on an upper side surface of the outer frame (1).

7. The air filter element with replaceable filter cotton according to claim 6, characterized in that: A guide hole (41) is also provided in the positioning groove (4), a fixing pin (44) is movably provided in the guide hole (41), one end of the fixing pin (44) is clamped in the clamping hole (34), and the clamping hole (34) is provided on the clamping rod (33).

8. The air filter element with replaceable filter cotton according to claim 7, characterized in that: A return spring (42) is sleeved on the outer surface of the fixing pin (44), one end of the return spring (42) is connected to the fixing pin (44), and one end of the return spring (42) is connected to the guide hole (41).

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