Fresh air filter box with filter element convenient to replace

Abstract

The utility model discloses a fresh air filter box convenient to replace a filter element, which relates to the technical field of filter element replacement, and comprises a base and a roller filter element, and further comprises a shell arranged on the base and fixedly connected with the base; the protective door is arranged on the shell and is in sliding connection with the shell; the screen is arranged on the shell and is fixedly connected with the shell; the filtering mechanism is arranged on the shell and is used for filtering; and the mounting mechanism is arranged on the base and the shell and is used for mounting the filtering mechanism. According to the device, by arranging the filtering mechanism, one end of the roller filter element can be fixed, and gas in air can be filtered. According to the device, by arranging the mounting mechanism, the roller filter element can be mounted, the mounting mode is simple and firm, the replacement mode is simple, the number of parts needing to be detached during replacement is small, and the replacement efficiency is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of filter element replacement, in particular to a fresh air filter box which is convenient for replacing the filter element. Background Art

[0002] As people pay more attention to air pollution, they are beginning to find ways to improve the air quality of their indoor living environments. Fresh air filter boxes are the primary means of improving indoor air quality. The function of a fresh air system is to draw fresh air from the outdoors, filter it through a filter element, and then discharge it into the room, removing polluted air from the room. However, current fresh air filter boxes are very difficult to replace. The installation steps of the drum filter in fresh air filter boxes are very complicated, and replacement often requires disassembly of multiple parts, resulting in slow replacement. Therefore, improvements are needed. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the purpose of the present invention is to provide a fresh air filter box that is easy to replace the filter element, aiming to solve the above technical problems.

[0004] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0005] A fresh air filter box for easy replacement of filter elements, comprising a base and a drum filter element, and further comprising:

[0006] A housing is disposed on the base and fixedly connected to the base;

[0007] A protective door is provided on the housing and is slidably connected to the housing;

[0008] a screen, disposed on the housing and fixedly connected to the housing;

[0009] A filtering mechanism is provided on the housing and is used for filtering;

[0010] The mounting mechanism is arranged on the base and the shell and is used for mounting the filtering mechanism.

[0011] Preferably, the mounting mechanism comprises:

[0012] A lifting part, provided on the housing, for lifting and lowering the mounting mechanism;

[0013] The mounting portion is arranged on the base and is used for mounting a movable fixed filtering mechanism.

[0014] Preferably, the lifting portion includes:

[0015] A mounting cover is provided on the housing and fixedly connected to the housing;

[0016] A mounting groove is provided on the housing and is fixedly connected to the housing;

[0017] The cylinder is arranged on the mounting cover and the mounting groove and is fixedly connected to the mounting cover and the mounting groove.

[0018] Preferably, the mounting portion includes:

[0019] A mounting member, disposed on the base and fixedly connected to the base;

[0020] There are multiple first fixing pins, and the multiple first fixing pins are arranged on the mounting member and fixedly connected to the mounting member;

[0021] a spring, disposed on the mounting member and fixedly connected to the mounting member;

[0022] a connecting plate, disposed on the spring and fixedly connected to the spring;

[0023] There are multiple fixing members, and the multiple fixing members are arranged on the connecting plate and fixedly connected to the connecting plate.

[0024] Preferably, the mounting portion further includes:

[0025] A first connecting member is provided on the drum filter element and is fixedly connected to the drum filter element;

[0026] an insert plate, disposed on the first connecting member and fixedly connected to the first connecting member;

[0027] There are multiple first insertion holes, and the multiple first insertion holes are arranged on the insertion plate and the connecting plate, and are fixedly connected to the insertion plate and the connecting plate.

[0028] Preferably, the filtering mechanism comprises:

[0029] A second connecting member is provided on the drum filter element and is fixedly connected to the drum filter element;

[0030] a second insertion hole, provided on the second connecting member and fixedly connected to the second connecting member;

[0031] an exhaust hood, disposed on the second connecting member and fixedly connected to the second connecting member;

[0032] There are multiple second fixing pins, and multiple of them are arranged on the exhaust cover and fixedly connected to the exhaust cover.

[0033] Preferably, the filtering mechanism further comprises:

[0034] An exhaust duct is provided on the exhaust hood and the outer shell, and is fixedly connected to the exhaust hood and slidably connected to the outer shell;

[0035] The fan is arranged on the backflow exhaust pipe and is fixedly connected to the exhaust pipe.

[0036] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0037] 1. This device can fix one end of the drum filter element and filter the gas in the air by setting a filtering mechanism.

[0038] 2. This device can install the drum filter element by setting up a mounting mechanism. The installation method is simple and reliable. The replacement method is simple and fewer parts need to be disassembled during replacement, so the replacement efficiency is faster. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0040] Figure 1 The diagram shows a three-dimensional structure of a fresh air filter box that is convenient for replacing the filter element.

[0041] Figure 2 The diagram shows a front view of the structure of a fresh air filter box that is convenient for replacing the filter element.

[0042] Figure 3 Shows a fresh air filter box that is easy to replace the filter element Figure 2 AA cross-sectional structural diagram.

[0043] Figure 4 The present invention shows a schematic diagram of a three-dimensional exploded structure of part of the filtering mechanism and the installation mechanism of a fresh air filter box which is convenient for replacing the filter element.

[0044] Figure 5 A schematic exploded perspective view of a partial installation mechanism of a fresh air filter box for easy filter element replacement is shown.

[0045] Legend:

[0046] 1. Base; 2. Drum filter element; 3. Housing; 4. Protective door; 5. Screen; 6. Mounting cover; 7. Mounting slot; 8. Cylinder; 9. First fixing pin; 10. Spring; 11. Connecting plate; 12. First connecting piece; 13. Insert plate; 14. First insertion hole; 15. Second connecting piece; 16. Second insertion hole; 17. Exhaust hood; 18. Second fixing pin; 19. Exhaust duct; 20. Fan; 21. Mounting piece; 22. Fixing piece. DETAILED DESCRIPTION

[0047] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0048] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0049] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a central component. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a central component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a central component. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0050] 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 the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0051] Reference Figures 1 to 5 An embodiment of a fresh air filter box of the utility model that is easy to replace the filter element is further described.

[0052] A fresh air filter box that is easy to replace the filter element includes a base 1 and a drum filter element 2, and also includes: a shell 3, which is arranged on the base 1 and fixedly connected to the base 1; a protective door 4, which is arranged on the shell 3 and slidably connected to the shell 3; a screen 5, which is arranged on the shell 3 and fixedly connected to the shell 3; a filtering mechanism, which is arranged on the shell 3 and is used for filtering; and an installation mechanism, which is arranged on the base 1 and the shell 3 and is used for installing the filtering mechanism.

[0053] refer to Figure 1 and Figure 2 As a preferred embodiment, the mounting mechanism includes: a lifting portion, which is arranged on the shell 3; and a mounting portion, which is arranged on the base 1.

[0054] In this arrangement, the lifting portion is used for lifting the installation mechanism; and the installation portion is used for installing the movable fixed filtering mechanism.

[0055] refer to Figure 2 and Figure 3 As a preferred embodiment, the lifting part includes: a mounting cover 6, which is arranged on the outer shell 3 and fixedly connected to the outer shell 3; a mounting groove 7, which is arranged on the outer shell 3 and fixedly connected to the outer shell 3; a cylinder 8, which is arranged on the mounting cover 6 and the mounting groove 7 and fixedly connected to the mounting cover 6 and the mounting groove 7.

[0056] In this arrangement, the mounting cover 6 is used to mount the cylinder 8 so that the cylinder 8 can work stably; the mounting groove 7 is used to mount the cylinder 8 and to provide space for the cylinder 8 to work; the cylinder 8 is used to provide power to drive the exhaust cover 17 to move, and can indirectly compress and paralyze it.

[0057] refer to Figure 5 As a preferred embodiment, the mounting portion includes: a mounting member 21, which is provided on the base 1 and fixedly connected to the base 1; a plurality of first fixing pins 9, and a plurality of first fixing pins 9, which are provided on the mounting member 21 and fixedly connected to the mounting member 21; a spring 10, which is provided on the mounting member 21 and fixedly connected to the mounting member 21; a connecting plate 11, which is provided on the spring 10 and fixedly connected to the spring 10;

[0058] There are multiple fixing members 22, and multiple fixing members 22 are arranged on the connecting plate 11 and fixedly connected to the connecting plate 11; the first connecting member 12 is arranged on the drum filter element 2 and fixedly connected to the drum filter element 2; the insertion plate 13 is arranged on the first connecting member 12 and fixedly connected to the first connecting member 12; there are multiple first insertion holes 14, and multiple first insertion holes 14 are arranged on the insertion plate 13 and the connecting plate 11, and fixedly connected to the insertion plate 13 and the connecting plate 11.

[0059] The arrangement is such that the mounting member 21 is used to install the spring 10 and the first fixing pin 9; the first fixing pin 9 is used to fix the position of the drum filter element 2 and prevent the drum filter element 2 from moving; the spring 10 is used to allow the first fixing pin 9 to be inserted into the first insertion hole 14 during installation, and to lift the connecting plate 11 by rebounding during disassembly, so that the first fixing pin 9 can be disengaged from the first insertion hole 14; the connecting plate 11 is used to set the first insertion hole 14 and install the fixing member 22; the fixing member 22 is used for the rotational insertion of the insertion plate 13; the first connecting plate 11 is used to be installed on the drum filter element 2; the insertion plate 13 is used to insert the fixing member 22 to fix the position of the drum filter element 2, so that the first fixing pin 9 and the second fixing pin 18 can be inserted into the first insertion hole 14 and the second insertion hole 16 respectively; the first insertion hole 14 is used for inserting the first fixing pin 9 to fix the position of the drum filter element 2.

[0060] refer to Figure 3 and Figure 4 As a preferred embodiment, the filtering mechanism includes: a second connecting member 15, which is arranged on the drum filter element 2 and fixedly connected to the drum filter element 2; a second insertion hole 16, which is arranged on the second connecting member 15 and fixedly connected to the second connecting member 15; an exhaust hood 17, which is arranged on the second connecting member 15 and fixedly connected to the second connecting member 15; a second fixing pin 18, which has multiple pins and multiple pins are arranged on the exhaust hood 17 and fixedly connected to the exhaust hood 17; an exhaust duct 19, which is arranged on the exhaust hood 17 and the outer shell 3, and is fixedly connected to the exhaust hood 17 and slidably connected to the outer shell 3; a fan 20, which is arranged on the retrograde exhaust duct 19 and fixedly connected to the exhaust duct 19.

[0061] In this arrangement, the first connecting member 12 is used to be installed on the drum filter element 2 and to be used to set the second insertion hole 16; the second insertion hole 16 is used to insert the second fixing pin 18; the exhaust hood 17 is used for the filtered gas to pass through; the second fixing pin 18 is used to be inserted into the second insertion hole 16 to fix the position of the drum filter element 2; the exhaust duct 19 is used to discharge the filtered gas from the device; the fan 20 is not elaborated in detail in the prior art.

[0062] The device is provided with a filtering mechanism to fix one end of the drum filter element 2 and filter the gas in the air. The device is provided with an installation mechanism to install the drum filter element 2, and the installation is simple, and the parts required to be disassembled during replacement are few, and the replacement efficiency is more rapid.

[0063] Working principle: When replacing the drum filter element 2, the staff needs to first slide open the protective door 4 and then remove the screen 5. Then start the cylinder 8, let the cylinder 8 drive the exhaust hood 17 to rise until the exhaust hood 17 and the shell 3 contact the cylinder 8 and the cylinder 8 stops working. At this time, the second fixing pin 18 will be disengaged from the second insertion hole 16. When the cylinder 8 drives the exhaust hood 17 to move, the spring 10 will rebound to allow the first fixing pin 9 to be disengaged from the first insertion hole 14. Then, manually rotate the drum filter element 2 clockwise to disengage the insertion plate 13 from the fixing part 22. After that, the drum filter element 2 can be taken out and the first connecting part 12 and the second connecting part 15 can be disassembled. That's it; on the contrary, during installation, install the first connecting piece 12 at one end of the drum filter element 2 and the second connecting piece 15 at the other end, then place the drum filter element 2 on the connecting plate 11, and then rotate the drum filter element 2 counterclockwise to allow the insertion plate 13 to insert into the fixing piece 22, and then start the cylinder 8. The cylinder 8 drives the exhaust hood 17 to contact the first connecting piece 12 and allows the first fixing pin 9 to be inserted into the second insertion hole 16 for fixing. At the same time, when the cylinder 8 drives the exhaust hood 17 to contact the first connecting piece 12, the spring 10 will be compressed to allow the first fixing pin 9 to be inserted into the first insertion hole 14 for fixing, and then install the screen 5 and close the protective door 4.

[0064] The above description of the embodiments is intended to enable those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A fresh air filter box that is easy to replace the filter element, comprising a base (1) and a drum filter element (2), characterized in that: Also includes: A housing (3) is disposed on the base (1) and is fixedly connected to the base (1); A protective door (4) is provided on the housing (3) and is slidably connected to the housing (3); A screen (5) is provided on the housing (3) and is fixedly connected to the housing (3); A filtering mechanism is provided on the housing (3) and is used for filtering; The mounting mechanism is arranged on the base (1) and the housing (3) and is used for mounting the filtering mechanism.

2. The fresh air filter box with easy filter element replacement according to claim 1, characterized in that: The mounting mechanism comprises: A lifting part, provided on the housing (3), for lifting and lowering the installation mechanism; The mounting portion is arranged on the base (1) and is used for mounting a movable fixed filtering mechanism.

3. The fresh air filter box with easy filter element replacement according to claim 2, characterized in that: The lifting part includes: A mounting cover (6) is provided on the housing (3) and is fixedly connected to the housing (3); A mounting groove (7) is provided on the housing (3) and is fixedly connected to the housing (3); The cylinder (8) is arranged on the mounting cover (6) and the mounting groove (7), and is fixedly connected to the mounting cover (6) and the mounting groove (7).

4. The fresh air filter box with easy filter element replacement according to claim 3, characterized in that: The mounting portion includes: A mounting member (21) is provided on the base (1) and is fixedly connected to the base (1); A plurality of first fixing pins (9) are provided on the mounting member (21) and fixedly connected to the mounting member (21); A spring (10) is disposed on the mounting member (21) and is fixedly connected to the mounting member (21); A connecting plate (11) is disposed on the spring (10) and fixedly connected to the spring (10); There are multiple fixing members (22), and the multiple fixing members (22) are arranged on the connecting plate (11) and fixedly connected to the connecting plate (11).

5. The fresh air filter box with easy filter element replacement according to claim 4, characterized in that: The installation portion further includes: A first connecting member (12) is provided on the drum filter element (2) and is fixedly connected to the drum filter element (2); an insert plate (13) disposed on the first connecting member (12) and fixedly connected to the first connecting member (12); There are a plurality of first insertion holes (14), and the plurality of first insertion holes (14) are arranged on the insertion plate (13) and the connecting plate (11), and are fixedly connected to the insertion plate (13) and the connecting plate (11).

6. The fresh air filter box with easy filter element replacement according to claim 5, characterized in that: The filtering mechanism comprises: A second connecting member (15) is provided on the drum filter element (2) and is fixedly connected to the drum filter element (2); A second insertion hole (16) is provided on the second connecting member (15) and is fixedly connected to the second connecting member (15); an exhaust hood (17), disposed on the second connecting member (15) and fixedly connected to the second connecting member (15); There are multiple second fixing pins (18), and multiple of them are arranged on the exhaust cover (17) and fixedly connected to the exhaust cover (17).

7. The fresh air filter box with easy filter element replacement according to claim 6, characterized in that: The filtering mechanism further comprises: An exhaust duct (19) is provided on the exhaust hood (17) and the housing (3), and is fixedly connected to the exhaust hood (17) and slidably connected to the housing (3); The fan (20) is arranged on the backflow exhaust pipe (19) and is fixedly connected to the exhaust pipe (19).

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