Air inlet filtering device of heating ventilation air conditioner

Abstract

The utility model discloses a heating ventilation air conditioner air inlet filtering device which comprises a pipeline body and a filtering plate, the filtering plate is arranged on the right side of the pipeline body, positioning blocks are fixedly connected to the four corners of the rear side of the filtering plate, and positioning grooves used in cooperation with the positioning blocks are formed in the side, close to the positioning blocks, of the pipeline body. A movable groove is formed in an inner cavity of the positioning block, and a fixing mechanism is arranged in an inner cavity of the movable groove. Through the cooperative use of the movable groove, the fixing mechanism and the control mechanism, when a pressing rod is pressed, the pressing rod pushes a control panel to move and stretches a tension spring, the control panel pushes a limiting plate through a movable rod to extrude a spring and drives a fixing block to enter an inner cavity of the movable groove, and the spring is fixed. The problems that according to an air inlet pipe of an existing heating ventilation air conditioner, a filter plate is fixed through a plurality of screws, when the filter plate is dismounted and cleaned, dismounting is tedious, and the working efficiency is affected are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of heating, ventilation and air conditioning, and in particular relates to an air intake filtering device for heating, ventilation and air conditioning. Background Art

[0002] HVAC is an air conditioner with heating, ventilation and air conditioning functions. Since the main functions of HVAC include heating, ventilation and air conditioning, the comprehensive abbreviation of these three functions is HVAC. After a long period of use, the filter plate at the air inlet needs to be cleaned to prevent the air inlet from being blocked and affecting the normal use of the HVAC. The problem with the prior art is that it is not convenient to disassemble the filter plate. The air inlet pipe of the existing HVAC is fixed with multiple screws. When the filter plate is disassembled for cleaning, the disassembly is cumbersome, which affects work efficiency. Utility Model Content

[0003] In view of the problems existing in the prior art, the utility model provides a HVAC air intake filter device, which has the advantage of easy disassembly of the filter plate, and solves the problem that the air intake pipe of the existing HVAC is fixed with a plurality of screws to the filter plate, and the disassembly is cumbersome when the filter plate is disassembled for cleaning, thus affecting work efficiency.

[0004] The utility model is implemented as follows: a HVAC air intake filter device comprises a pipe body and a filter plate, the filter plate is arranged on the right side of the pipe body, the four corners of the rear side of the filter plate are fixedly connected with positioning blocks, a side of the pipe body close to the positioning block is provided with a positioning groove used in conjunction with the positioning block, the inner cavity of the positioning block is provided with a movable groove, the inner cavity of the movable groove is provided with a fixing mechanism, and the front side of the positioning block is provided with a control mechanism used in conjunction with the fixing mechanism.

[0005] As a preferred embodiment of the utility model, the fixing mechanism includes a spring, the top and bottom of the spring are fixedly connected to a limit plate used in conjunction with the control mechanism, the side of the limit plate away from the spring is fixedly connected to a fixed block, and the side of the fixed block away from the limit plate passes through the positioning block and extends to the outside of the positioning block.

[0006] As a preferred embodiment of the utility model, the control mechanism includes a control plate, a side of the control plate close to the limit plate is rotatably connected to a movable rod used in conjunction with the limit plate through a rotating shaft, a pressing rod is fixedly connected to the front side of the control plate, the pressing rod passes through the positioning block on the side away from the limit plate and extends to the outside of the positioning block, and the top and bottom of the control plate close to the pressing rod are fixedly connected to tension springs.

[0007] As a preferred embodiment of the present invention, a side of the positioning block close to the inner wall of the positioning groove contacts the inner wall of the positioning groove.

[0008] As a preferred embodiment of the present invention, the top and bottom of the positioning block are provided with a first through hole for use with the fixing block, and the front side of the positioning block is provided with a second through hole for use with the pressing rod.

[0009] As a preferred embodiment of the utility model, the middle end of the spring close to the inner wall of the movable groove is fixedly connected to the inner wall of the movable groove, the side of the limit plate close to the inner wall of the movable groove contacts the inner wall of the movable groove, and the side of the fixed block close to the pipe body contacts the pipe body.

[0010] As a preferred embodiment of the utility model, the side of the control plate close to the inner wall of the movable groove contacts the inner wall of the movable groove, the side of the movable rod close to the limit plate is rotatably connected to the limit plate through a rotating shaft, the side of the pressing rod close to the inner wall of the second through hole contacts the inner wall of the second through hole, and the side of the tension spring away from the control plate is fixedly connected to the inner wall of the movable groove.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model sets a movable groove, a fixing mechanism and a control mechanism for coordinated use. When the pressing rod is pressed, the pressing rod pushes the control plate to move and stretches the tension spring. At the same time, the control plate pushes the limit plate to squeeze the spring through the movable rod and drives the fixing block to enter the inner cavity of the movable groove. This solves the problem that the air intake pipe of the existing HVAC is fixed with a plurality of screws to fix the filter plate. When the filter plate is disassembled for cleaning, the disassembly is cumbersome and affects the work efficiency.

[0013] 2. The utility model can fix the filter plate by setting a fixing mechanism, making it convenient for users to install the filter plate.

[0014] 3. The utility model can control the fixing mechanism by setting a control mechanism, making it convenient for users to use the fixing mechanism.

[0015] 4. The utility model can position the filter plate by providing a positioning block and a positioning groove, making it convenient for the user to fix the filter plate.

[0016] 5. The utility model provides the first through hole and the second through hole, which can respectively limit the fixing block and the pressing rod, making it convenient for users to use the fixing mechanism.

[0017] 6. The utility model can reset the limit plate by setting a spring, limit the fixed block by setting a limit plate, and fix the positioning block by setting a fixed block.

[0018] 7. The utility model can push the limit plate to squeeze the spring through the movable rod by setting the control plate, can push the control plate to move by setting the pressing rod, and can reset the control plate by setting the tension spring. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of a three-dimensional structure provided by an embodiment of the utility model;

[0020] Figure 2 It is a partial cross-sectional view of a positioning block provided by an embodiment of the utility model;

[0021] Figure 3 The utility model embodiment provides Figure 2 A partial enlarged view of the middle A;

[0022] Figure 4 It is a three-dimensional structural schematic diagram of a fixing mechanism and a control mechanism provided by an embodiment of the utility model.

[0023] In the figure: 1. pipeline body; 2. filter plate; 3. positioning block; 4. positioning groove; 5. movable groove; 6. fixing mechanism; 7. control mechanism; 8. first through hole; 9. second through hole; 601. spring; 602. limit plate; 603. fixing block; 701. control plate; 702. movable rod; 703. pressing rod; 704. tension spring. DETAILED DESCRIPTION

[0024] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples and described in detail with reference to the accompanying drawings.

[0025] The structure of the utility model is described in detail below in conjunction with the accompanying drawings.

[0026] like Figures 1 to 4 As shown, an embodiment of the utility model provides a HVAC air intake filter device, including a pipe body 1 and a filter plate 2, the filter plate 2 is arranged on the right side of the pipe body 1, and the four corners of the rear side of the filter plate 2 are fixedly connected with positioning blocks 3, a side of the pipe body 1 close to the positioning block 3 is provided with a positioning groove 4 used in conjunction with the positioning block 3, the inner cavity of the positioning block 3 is provided with a movable groove 5, the inner cavity of the movable groove 5 is provided with a fixing mechanism 6, and the front side of the front positioning block 3 is provided with a control mechanism 7 used in conjunction with the fixing mechanism 6.

[0027] refer to Figure 3 and Figure 4The fixing mechanism 6 includes a spring 601, and the top and bottom of the spring 601 are fixedly connected to a limit plate 602 used in conjunction with the control mechanism 7. The side of the limit plate 602 away from the spring 601 is fixedly connected to a fixed block 603, and the side of the fixed block 603 away from the limit plate 602 passes through the positioning block 3 and extends to the outside of the positioning block 3.

[0028] By adopting the above solution, the fixing mechanism 6 is provided to fix the filter plate 2 , making it convenient for the user to install the filter plate 2 .

[0029] refer to Figure 3 and Figure 4 The control mechanism 7 includes a control plate 701, and a movable rod 702 used in conjunction with the limit plate 602 is rotatably connected to the side of the control plate 701 close to the limit plate 602 through a rotating shaft. A pressing rod 703 is fixedly connected to the front side of the control plate 701. The side of the pressing rod 703 away from the limit plate 602 passes through the positioning block 3 and extends to the outside of the positioning block 3. The top and bottom of the control plate 701 close to the pressing rod 703 are fixedly connected to tension springs 704.

[0030] By adopting the above solution, the control mechanism 7 is provided to control the fixing mechanism 6 , making it convenient for the user to use the fixing mechanism 6 .

[0031] refer to Figure 3 , one side of the positioning block 3 close to the inner wall of the positioning groove 4 contacts the inner wall of the positioning groove 4.

[0032] The above solution is adopted: by providing the positioning block 3 and the positioning groove 4, the filter plate 2 can be positioned, so that the user can fix the filter plate 2 conveniently.

[0033] refer to Figure 3 The top and bottom of the positioning block 3 are both provided with a first through hole 8 for use with the fixing block 603 , and the front side of the front positioning block 3 is provided with a second through hole 9 for use with the pressing rod 703 .

[0034] The above solution is adopted: by providing the first through hole 8 and the second through hole 9, the fixing block 603 and the pressing rod 703 can be limited respectively, so that the user can use the fixing mechanism 6 conveniently.

[0035] refer to Figure 3 and Figure 4 The middle end of the spring 601 close to the inner wall of the movable groove 5 is fixedly connected to the inner wall of the movable groove 5, the side of the limiting plate 602 close to the inner wall of the movable groove 5 contacts the inner wall of the movable groove 5, and the side of the fixed block 603 close to the pipe body 1 contacts the pipe body 1.

[0036] By adopting the above scheme: by setting the spring 601, the limit plate 602 can be reset, by setting the limit plate 602, the fixing block 603 can be limited, and by setting the fixing block 603, the positioning block 3 can be fixed.

[0037] refer to Figure 3 and Figure 4 The side of the control plate 701 close to the inner wall of the movable groove 5 is in contact with the inner wall of the movable groove 5, the side of the movable rod 702 close to the limit plate 602 is rotatably connected to the limit plate 602 through a rotating shaft, the side of the pressing rod 703 close to the inner wall of the second through hole 9 is in contact with the inner wall of the second through hole 9, and the side of the tension spring 704 away from the control plate 701 is fixedly connected to the inner wall of the movable groove 5.

[0038] By adopting the above scheme: by setting the control plate 701, the movable rod 702 can push the limit plate 602 to squeeze the spring 601, by setting the pressing rod 703, the control plate 701 can be pushed to move, and by setting the tension spring 704, the control plate 701 can be reset.

[0039] The working principle of this utility model:

[0040] When in use, the user presses the pressing rod 703, and the pressing rod 703 pushes the control plate 701 to move and stretches the tension spring 704. At the same time, the control plate 701 pushes the limit plate 602 through the movable rod 702 to squeeze the spring 601 and drive the fixed block 603 to enter the inner cavity of the movable groove 5. The user places the filter plate 2 on the right side of the pipeline body 1, inserts the positioning block 3 into the inner cavity of the positioning groove 4, and then releases the pressing rod 703. The force of the tension spring 704 after stretching and contraction drives the control plate 701 to move in the opposite direction and reset. At the same time, the force released after the spring 601 is squeezed pushes the limit plate 602 to move in the opposite direction and pushes the fixed block 603 to extend out of the inner cavity of the movable groove 5 and clamp the pipeline body 1 to complete the use.

[0041] To sum up: the HVAC air intake filter device, through the coordinated use of the movable groove 5, the fixing mechanism 6 and the control mechanism 7, presses the pressing rod 703, the pressing rod 703 pushes the control plate 701 to move, and stretches the tension spring 704. At the same time, the control plate 701 pushes the limit plate 602 through the movable rod 702 to squeeze the spring 601, and drives the fixing block 603 to enter the inner cavity of the movable groove 5, thereby solving the problem that the air intake pipe of the existing HVAC is fixed with multiple screws to fix the filter plate, and the disassembly of the filter plate for cleaning is cumbersome, which affects the work efficiency.

[0042] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0043] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A HVAC air intake filter device, comprising a pipe body (1) and a filter plate (2), wherein the filter plate (2) is arranged on the right side of the pipe body (1), and is characterized in that: The four corners of the rear side of the filter plate (2) are fixedly connected to positioning blocks (3); a positioning groove (4) for use with the positioning block (3) is provided on a side of the pipe body (1) close to the positioning block (3); a movable groove (5) is provided in the inner cavity of the positioning block (3); a fixing mechanism (6) is provided in the inner cavity of the movable groove (5); and a control mechanism (7) for use with the fixing mechanism (6) is provided on the front side of the positioning block (3).

2. A HVAC air intake filter device according to claim 1, characterized in that: The fixing mechanism (6) comprises a spring (601), the top and bottom of the spring (601) are fixedly connected to a limit plate (602) used in conjunction with the control mechanism (7), the side of the limit plate (602) away from the spring (601) is fixedly connected to a fixing block (603), and the side of the fixing block (603) away from the limit plate (602) passes through the positioning block (3) and extends to the outside of the positioning block (3).

3. A HVAC air intake filter device as claimed in claim 2, characterized in that: The control mechanism (7) comprises a control plate (701), a side of the control plate (701) close to the limit plate (602) being rotatably connected to a movable rod (702) used in conjunction with the limit plate (602) via a rotating shaft, a front side of the control plate (701) being fixedly connected to a pressing rod (703), a side of the pressing rod (703) away from the limit plate (602) penetrating the positioning block (3) and extending to the outside of the positioning block (3), and a tension spring (704) being fixedly connected to the top and bottom of the side of the control plate (701) close to the pressing rod (703).

4. The HVAC air intake filter device according to claim 1, characterized in that: A side of the positioning block (3) close to the inner wall of the positioning groove (4) contacts the inner wall of the positioning groove (4).

5. The HVAC air intake filter device according to claim 3, characterized in that: The top and bottom of the positioning block (3) are both provided with a first through hole (8) for use in conjunction with the fixing block (603), and the front side of the positioning block (3) is provided with a second through hole (9) for use in conjunction with the pressing rod (703).

6. A HVAC air intake filter device as claimed in claim 2, characterized in that: The middle end of the spring (601) close to the inner wall of the movable groove (5) is fixedly connected to the inner wall of the movable groove (5), the side of the limit plate (602) close to the inner wall of the movable groove (5) contacts the inner wall of the movable groove (5), and the side of the fixed block (603) close to the pipe body (1) contacts the pipe body (1).

7. The HVAC air intake filter device according to claim 5, characterized in that: The side of the control plate (701) close to the inner wall of the movable groove (5) contacts the inner wall of the movable groove (5); the side of the movable rod (702) close to the limit plate (602) is rotatably connected to the limit plate (602) via a rotating shaft; the side of the pressing rod (703) close to the inner wall of the second through hole (9) contacts the inner wall of the second through hole (9); and the side of the tension spring (704) away from the control plate (701) is fixedly connected to the inner wall of the movable groove (5).

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