Filtering structure for heating ventilation air conditioner

Abstract

The utility model discloses a filtering structure for a heating ventilation air conditioner, and mainly relates to the technical field of heating ventilation air conditioner filtering. Comprising a positioning block, the section of the positioning block is in a cross shape, the upper surface of the positioning rod is fixedly connected with a positioning rod, the arc surface of the positioning rod is slidably connected with an inlaying frame, the inner wall of the inlaying frame is inserted into the surface of the positioning block, the arc surface of the positioning rod is sleeved with a spring, and the two ends of the spring are fixedly connected with the inlaying frame and the positioning rod respectively. A fixing groove is formed in the position, corresponding to the clamping block, of the surface of the inner wall of the heating ventilation air conditioner body. The heating ventilation air conditioner has the advantages that the problems that in the using process of the heating ventilation air conditioner, the heating ventilation air conditioner can be assisted by a filtering structure, air purification can be better carried out, after the filtering structure is installed and used for a long time, the filtering structure in the heating ventilation air conditioner can be aged and damaged, and the service life of the heating ventilation air conditioner is prolonged are solved. Therefore, the problem that the filtering structure is inconvenient to replace and disassemble is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of heating, ventilation and air conditioning filtering, in particular to a filtering structure 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, HVAC often needs to exchange gas with the outside world, and the outside air contains a lot of domestic and other floating objects, so the gas needs to be filtered, which is more common in daily life.

[0003] Prior art includes a utility model with a publication number of CN214182264U, which discloses a filtering device for a heating, ventilation and air conditioning system. The patent includes a device body, an air inlet is arranged on the upper left side of the device body, a filter plate is arranged on the inner wall of the device body, a cleaning structure is arranged on the inner wall of the device body and on the right side of the filter plate, an activated carbon adsorption plate is arranged on the right side of the cleaning structure, an air outlet is arranged on the lower right side of the device body, and shock-absorbing components are arranged on the upper and lower outer walls of the device body. The utility model provides a filtering device for a heating, ventilation and air conditioning system to solve the problem that the existing filtering devices for heating, ventilation and air conditioning systems have poor dust adsorption and purification effects on the air, and the dust in the air cannot be effectively treated, which easily affects the indoor air quality; and the filter net of the general filtering device needs to be manually cleaned or directly replaced after being used for a period of time, which consumes manual labor and a lot of time.

[0004] It is found that in HVAC equipment, a filter structure is used to assist the HVAC during use to better purify the air. However, after the filter structure has been installed and used for a long time, the filter structure in the HVAC will age and be damaged, which makes it inconvenient to replace and disassemble the filter structure.

[0005] The present application provides a technical solution to the technical problem, aiming to provide technical personnel in the field with a variety of options for solving the problem. Utility Model Content

[0006] The purpose of the utility model is to solve the problem in the prior art that during the use of HVAC, a filter structure is used to assist the HVAC to facilitate better air purification. However, after the filter structure has been installed and used for a long time, the filter structure in the HVAC will be aged and damaged, which makes it inconvenient to replace and disassemble the filter structure. A filter structure for HVAC is proposed.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a filtering structure for HVAC, comprising a HVAC main body, a protective frame is installed on the lower surface of the HVAC main body, a vent is arranged at the inner bottom end of the HVAC main body, an adjusting device is arranged on the inner wall of the HVAC main body, the adjusting device comprises a mounting frame, the surrounding side walls of the mounting frame are slidably connected to the inner wall of the HVAC main body, positioning blocks are fixedly connected to the four peripheral corner surfaces of the mounting frame, the cross section of the positioning block is cross-shaped, a positioning rod is fixedly connected to the upper surface of the positioning block, and the arc surface of the positioning rod slides A mosaic frame is connected, the inner wall of the mosaic frame is plugged into the surface of the positioning block, the arc surface of the positioning rod is sleeved with a spring, the two ends of the spring are respectively fixedly connected to the mosaic frame and the positioning rod, a clamping block is fixedly connected to one side of the mosaic frame, a fixing groove is provided on the inner wall surface of the HVAC main body corresponding to the position of the clamping block, the cross-section of the fixing groove is "T"-shaped, and the cross-sectional size of the fixing groove is adapted to the cross-sectional size of the clamping block, an auxiliary groove is provided on the side wall surface of the HVAC main body near the fixing groove, an extrusion rod is threaded through one side of the auxiliary groove, and an extrusion block is rotatably connected to one end of the extrusion rod near the fixing groove.

[0008] The effect achieved by the above-mentioned components is: during the use of the HVAC, the filtering structure will be used to assist the HVAC to facilitate better air purification. In order to facilitate the replacement and disassembly of the filter plate, the installation frame and the filter plate are fixed and limited at this time, and then the installation frame with the filter plate is placed on the inner wall of the HVAC body. After that, the positioning blocks and positioning rods on the four corner surfaces of the installation frame are used for assistance, and the sliding inlaid frame on the surface of the positioning rod drives the card block on one side to be connected with the fixed groove opened on the side wall of the HVAC body. At the same time, the extrusion block at one end of the extrusion rod is used to limit the position to prevent the card block from falling off, so that the position of the entire installation frame can be easily fixed, which is convenient for better replacement and use of the filter plate.

[0009] Preferably, the four corners of the mounting frame are fixedly connected to limiting columns, and limiting holes are provided on the inner wall surface of the HVAC body corresponding to the positions of the limiting columns, the inner walls of the limiting holes are plugged into the arc surface of the limiting columns, and the arc surface of the limiting columns is fixedly connected to a sealing ring.

[0010] The effect achieved by the above components is: when the installation frame and the filter plate are placed on the inner wall of the HVAC body, in order to prevent the position of the installation frame from shaking, the limiting holes and the limiting columns are used for plug-in protection.

[0011] Preferably, a plurality of filter holes are provided on the surface of the filter plate, and the cross-sections of the plurality of filter holes are wavy.

[0012] The effect achieved by the above components is that during the operation of the filter plate, the wave-shaped filter holes can be used to increase the contact area, thereby facilitating better filtering.

[0013] Preferably, a pull ring is rotatably connected to the upper end of the positioning rod, and the cross-sectional size of the pull ring is matched with the cross-sectional size of the positioning rod.

[0014] The effect achieved by the above components is that in the process of using the positioning rod to assist in limiting the installation frame, the positioning rod and the entire installation frame can be pulled out through the pull ring on the surface of the positioning rod.

[0015] Preferably, an auxiliary device is provided on the surface of the HVAC main body, and the auxiliary device includes four connecting blocks, the four connecting blocks have a "U"-shaped cross-section, one side of the connecting block is fixedly connected to the side wall of the HVAC main body, the inner wall of the connecting block is clamped with a rotating rod, the bottom ends of the four rotating rods are rotatably connected to a connecting frame, the four connecting frames are fixedly connected to the same bearing plate on the side close to each other, the upper end of the rotating rod is movably connected to a sliding column, one side of the sliding column is fixedly connected to an auxiliary block, the surface of the auxiliary block is plugged into the surface of the connecting block, the arc surface of the rotating rod is threadedly connected to a fixed shaft, and the bottom surface of the fixed shaft abuts against the surface of the sliding column.

[0016] The effect achieved by the above-mentioned components is: when the HVAC main body is used for a long time, dust is easily accumulated on the surface of the protective frame of the HVAC main body. In order to facilitate dust protection and prevent dust from falling directly, auxiliary protection is performed by the supporting plate. The rotating rod that rotates around the side walls of the supporting plate is used to allow the upper end surface of the rotating rod to be clamped with the connecting blocks on the side walls of the HVAC main body. Then, the auxiliary block on one side of the sliding column is used to insert and limit the connection block, so that the position of the entire supporting plate is fixed, while preventing the rotating rod from falling off. Finally, the fixed shaft on the surface of the rotating rod is used to squeeze and fix the limit.

[0017] Preferably, coil springs are sleeved on both sides of the inner wall of the connecting frame, and two ends of the coil spring are respectively fixedly connected to the rotating rod and the connecting frame.

[0018] The effect achieved by the above components is that during the operation of the rotating rod, the torsional force generated by the coil spring can be used to squeeze and limit the position.

[0019] Preferably, a protective ring is fixedly connected to a surface of one side of the carrying plate close to the protective frame, and the cross-sectional size of the protective ring is matched with the cross-sectional size of the carrying plate.

[0020] The effect achieved by the above components is that during the operation and use of the bearing plate, the protective ring can be used for protection to prevent dust from being blown off by the wind entering and exiting the HVAC body.

[0021] In summary, the beneficial effects of the utility model are:

[0022] In the utility model, during the use of the HVAC, the filtering structure will be used to assist the HVAC to facilitate better air purification. In order to facilitate the replacement and disassembly of the filter plate, the installation frame and the filter plate are fixed and limited at this time, and then the installation frame with the filter plate is placed on the inner wall of the HVAC body. After that, the positioning blocks and positioning rods on the four corner surfaces of the installation frame are used for assistance, and the inlaid frame sliding on the surface of the positioning rod drives the card block on one side to be connected with the fixing groove opened on the side wall of the HVAC body. At the same time, the extrusion block at one end of the extrusion rod is used for limiting to prevent the card block from falling off. Through the operation of the adjusting device, the position of the entire installation frame can be conveniently fixed, which is convenient for better replacement and use of the filter plate.

[0023] In the utility model, when the HVAC main body is used for a long time, dust is easily accumulated on the surface of the protective frame of the HVAC main body. In order to facilitate dust protection and prevent dust from falling directly, auxiliary protection is performed by the bearing plate. The rotating rod that rotates the side walls around the bearing plate is used to make the upper end surface of the rotating rod and the connecting blocks on the side walls around the HVAC main body be clamped, and then the auxiliary block on one side of the sliding column is used to insert and limit the connection block, so that the position of the entire bearing plate is fixed, and the falling of the rotating rod is prevented. Finally, the fixed shaft on the surface of the rotating rod is used for squeezing and fixing. Through the operation of the auxiliary device, the protection and bearing of dust on the protective frame and the entire surface of the HVAC main body is achieved, and the falling and scattering of dust is effectively prevented. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Attached Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0025] Attached Figure 2 It is a schematic diagram of the split structure of the three-dimensional structure of the utility model;

[0026] Attached Figure 3 It is a structural schematic diagram of the regulating device of the utility model;

[0027] Attached Figure 4 It is a partial structural schematic diagram of the regulating device of the utility model;

[0028] Attached Figure 5 The utility model Figure 3 Schematic diagram of the local split structure;

[0029] Attached Figure 6 It is a schematic diagram of the auxiliary device structure of the utility model;

[0030] Attached Figure 7 The utility model Figure 6 A schematic diagram of the enlarged structure at point A;

[0031] Attached Figure 8 The utility model Figure 6 Schematic diagram of the enlarged structure at B.

[0032] Numbers shown in the accompanying drawings: 1. HVAC main body; 2. protective frame; 3. vent; 4. adjusting device; 401. mounting frame; 402. filter plate; 403. filter hole; 404. limiting column; 405. sealing ring; 406. limiting hole; 407. fixing groove; 408. auxiliary groove; 409. extrusion rod; 410. extrusion block; 411. positioning rod; 412. spring; 413. inlaid frame; 414. pull ring; 415. positioning block; 416. clamping block; 5. auxiliary device; 51. bearing plate; 52. protective ring; 53. connecting block; 54. fixed shaft; 55. sliding column; 56. auxiliary block; 57. rotating rod; 58. connecting frame; 59. coil spring. DETAILED DESCRIPTION

[0033] The present invention is further described below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the claims attached to this application.

[0034] Reference Figures 1 to 8 As shown, the utility model provides a technical solution: a filtering structure for HVAC, comprising a HVAC main body 1, a protective frame 2 is installed on the lower surface of the HVAC main body 1, a vent 3 is arranged at the inner bottom end of the HVAC main body 1, an adjusting device 4 is arranged on the inner wall of the HVAC main body 1, and an auxiliary device 5 is arranged on the surface of the HVAC main body 1.

[0035] The specific settings and functions of the adjusting device 4 and the auxiliary device 5 are described in detail below.

[0036] Reference Figure 3 , Figure 4 and Figure 5As shown, in this embodiment: the regulating device 4 includes a mounting frame 401, the side walls of the mounting frame 401 are slidably connected to the inner wall of the HVAC main body 1, and the four corner surfaces of the mounting frame 401 are fixedly connected with positioning blocks 415, the cross section of the positioning block 415 is cross-shaped, the upper surface of the positioning block 415 is fixedly connected with a positioning rod 411, and the arc surface of the positioning rod 411 is slidably connected with an inlay frame 413, the inner wall of the inlay frame 413 is plugged into the surface of the positioning block 415, and the arc surface of the positioning rod 411 is sleeved with a spring 412, and the two ends of the spring 412 are respectively fixedly connected to the inlay frame 413 and the positioning rod 411, and a clamping block 416 is fixedly connected to one side of the inlay frame 413, and a fixing groove 407 is provided at the position of the clamping block 416 on the inner wall surface of the HVAC main body 1, and the cross section of the fixing groove 407 is "T"-shaped, and the cross-sectional size of the fixing groove 407 is In order to match the cross-sectional size of the block 416, an auxiliary groove 408 is provided on the side wall surface of the HVAC main body 1 near the fixed groove 407, and an extrusion rod 409 is threaded through one side of the auxiliary groove 408. One end of the extrusion rod 409 near the fixed groove 407 is rotatably connected to an extrusion block 410. The four peripheral corners of the mounting frame 401 are fixedly connected to the limiting columns 404. A limiting hole 406 is provided on the inner wall surface of the HVAC main body 1 corresponding to the position of the limiting column 404. The inner wall of the limiting hole 406 is plugged into the arc surface of the limiting column 404. A sealing ring 405 is fixedly connected to the arc surface of the limiting column 404. A plurality of filter holes 403 are provided on the surface of the filter plate 402. The cross-sections of the plurality of filter holes 403 are wavy. A pull ring 414 is rotatably connected to the upper end of the positioning rod 411. The cross-sectional size of the pull ring 414 matches the cross-sectional size of the positioning rod 411.

[0037] Reference Figure 6 , Figure 7 and Figure 8 As shown, in this embodiment: the auxiliary device 5 includes four connecting blocks 53, the cross-section of the four connecting blocks 53 is "U"-shaped, one side of the connecting block 53 is fixedly connected to the side wall of the HVAC main body 1, the inner wall of the connecting block 53 is clamped with a rotating rod 57, the bottom ends of the four rotating rods 57 are rotatably connected to the connecting frame 58, the side of the four connecting frames 58 close to each other is fixedly connected to the same bearing plate 51, the upper end of the rotating rod 57 is movably connected to the sliding column 55, and one side of the sliding column 55 is fixedly connected to Auxiliary block 56, the surface of the auxiliary block 56 is plugged into the surface of the connecting block 53, the arc surface of the rotating rod 57 is threadedly connected with the fixed shaft 54, the bottom surface of the fixed shaft 54 ​​is in contact with the surface of the sliding column 55, and the inner wall of the connecting frame 58 is sleeved with coil springs 59 on both sides, and the two ends of the coil spring 59 are respectively fixedly connected to the rotating rod 57 and the connecting frame 58, and a protective ring 52 is fixedly connected to the surface of one side of the supporting plate 51 close to the protective frame 2, and the cross-sectional size of the protective ring 52 is adapted to the cross-sectional size of the supporting plate 51.

[0038] Detailed explanation of usage: During the use of the HVAC, the filtering structure will be used to assist the HVAC to facilitate better air purification. In order to facilitate the replacement and disassembly of the filter plate 402, the installation frame 401 is first fixed to the filter plate 402, and then the entire installation frame 401 is plugged and limited with the limiting columns 404 fixed on all sides and the limiting holes 406 opened on the inner wall of the HVAC main body 1. Then, the positioning rods 411 on the corner surfaces of the four sides of the installation frame 401 and the inlay frame 413 on the surface of the positioning block 415 are pulled to rotate the block 416 fixed on one side of the inlay frame 413 to the The fixing groove 407 is then rotated, and the squeezing rod 409 in the auxiliary groove 408 is allowed to drive the squeezing block 410 to move, thereby protecting the position of the block 416 to prevent the block 416 from deflecting and falling off. In this process, the tensile force generated by the arc surface spring 412 of the positioning rod 411 can be used to squeeze and protect the position of the inlay frame 413 to prevent the inlay frame 413 from sliding and falling off on the surface of the positioning rod 411. At this time, the entire filter plate 402 will be fixed and limited by the mounting frame 401 and the inner wall of the HVAC main body 1, and finally the wavy filter hole 403 opened on the surface of the filter plate 402 is used for filtering operation.

[0039] When the HVAC main body 1 is used for a long time, dust is easily accumulated on the surface of the protective frame 2 of the HVAC main body 1. In order to facilitate dust protection and prevent dust from falling directly, auxiliary protection is performed through the supporting plate 51. First, the rotating rod 57 that rotates the side walls around the supporting plate 51 is rotated, and then the upper end surface of the rotating rod 57 is pulled to engage with the connecting block 53 of the side walls around the HVAC main body 1, and then the auxiliary block 56 on one side of the sliding column 55 is moved to insert and limit the connecting block 53, and finally the fixed shaft 54 ​​on the surface of the rotating rod 57 is squeezed and fixed to limit the position, so that the position of the entire supporting plate 51 is fixed.

Claims

1. A filter structure for HVAC, comprising a HVAC body (1) and a filter plate (402), characterized in that: A protective frame (2) is installed on the lower surface of the HVAC main body (1), a vent (3) is provided at the inner bottom end of the HVAC main body (1), an adjustment device (4) is provided on the inner wall of the HVAC main body (1), and the adjustment device (4) comprises a mounting frame (401), the side walls of the mounting frame (401) are slidably connected to the inner wall of the HVAC main body (1), the four corner surfaces of the mounting frame (401) are fixedly connected to positioning blocks (415), the cross section of the positioning blocks (415) is cross-shaped, the upper surface of the positioning block (415) is fixedly connected to a positioning rod (411), the arc surface of the positioning rod (411) is slidably connected to an inlay frame (413), the inner wall of the inlay frame (413) is plugged into the surface of the positioning block (415), and the positioning rod (411) is fixedly connected to the upper surface of the positioning block (415). The arc surface of the HVAC main body (1) is sleeved with a spring (412), and the two ends of the spring (412) are respectively fixedly connected to the inlay frame (413) and the positioning rod (411), and a clamping block (416) is fixedly connected to one side of the inlay frame (413). A fixing groove (407) is provided at a position corresponding to the clamping block (416) on the inner wall surface of the HVAC main body (1), and the cross-section of the fixing groove (407) is in a "T" shape. The cross-sectional size of the fixing groove (407) matches the cross-sectional size of the clamping block (416). An auxiliary groove (408) is provided at a position near the fixing groove (407) on the side wall surface of the HVAC main body (1), and a squeezing rod (409) is threadedly penetrated on one side of the auxiliary groove (408), and an squeezing block (410) is rotatably connected to one end of the squeezing rod (409) near the fixing groove (407).

2. A filter structure for HVAC according to claim 1, characterized in that: The four corners of the installation frame (401) are fixedly connected to the limiting columns (404); a limiting hole (406) is provided on the inner wall surface of the HVAC body (1) at a position corresponding to the limiting column (404); the inner wall of the limiting hole (406) is plugged into the arc surface of the limiting column (404); and a sealing ring (405) is fixedly connected to the arc surface of the limiting column (404).

3. A HVAC filter structure according to claim 1, characterized in that: A plurality of filter holes (403) are provided on the surface of the filter plate (402), and the cross sections of the plurality of filter holes (403) are wavy.

4. A HVAC filter structure according to claim 1, characterized in that: The upper end of the positioning rod (411) is rotatably connected to a pull ring (414), and the cross-sectional size of the pull ring (414) is matched with the cross-sectional size of the positioning rod (411).

5. The HVAC filter structure according to claim 1, characterized in that: The surface of the HVAC main body (1) is provided with an auxiliary device (5), and the auxiliary device (5) includes four connecting blocks (53). The cross-section of the four connecting blocks (53) is "U"-shaped. One side of the connecting block (53) is fixedly connected to the side wall of the HVAC main body (1). The inner wall of the connecting block (53) is clamped with a rotating rod (57). The bottom ends of the four rotating rods (57) are rotatably connected to a connecting frame (58). The sides of the four connecting frames (58) close to each other are fixedly connected to the same bearing plate (51). The upper end of the rotating rod (57) is movably connected to a sliding column (55). One side of the sliding column (55) is fixedly connected to an auxiliary block (56). The surface of the auxiliary block (56) is plugged into the surface of the connecting block (53). The arc surface of the rotating rod (57) is threadedly connected to a fixed shaft (54). The bottom surface of the fixed shaft (54) is in contact with the surface of the sliding column (55).

6. A HVAC filter structure according to claim 5, characterized in that: Coil springs (59) are sleeved on both sides of the inner wall of the connecting frame (58), and the two ends of the coil spring (59) are respectively fixedly connected to the rotating rod (57) and the connecting frame (58).

7. A HVAC filter structure according to claim 5, characterized in that: A protective ring (52) is fixedly connected to a surface of one side of the bearing plate (51) close to the protective frame (2); the cross-sectional dimensions of the protective ring (52) are compatible with the cross-sectional dimensions of the bearing plate (51).

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