A heat exchange core sealing structure

Abstract

This utility model discloses a heat exchange core sealing structure, including a heat exchange core disposed within a chassis. The heat exchange core has fins on both sides. The chassis contains two sheet metal guide grooves (first and second), all arranged circumferentially around the heat exchange core. A first sealing strip is disposed within the first sheet metal guide groove, covering the fins to form a seal. Second sealing strips are disposed within the second sheet metal guide grooves, respectively abutting the top and bottom surfaces of the heat exchange core. A limiting component is disposed within the chassis to secure the heat exchange core. This utility model, through the first sealing strip, utilizes its interaction with the fins of the heat exchange core to create a seal between the fins and the chassis. The second sealing strips further enhance the seal by creating multiple layers of sealing between the end face of the heat exchange core and the chassis, thus ensuring a tight seal between the heat exchange core and the chassis.

Description

Technical Field

[0001] This utility model relates to the field of air purification equipment technology, and in particular to a heat exchange core sealing structure. Background Technology

[0002] A fresh air exchanger is designed and manufactured based on the principle that supplying air from one side of a sealed room while drawing air from the other creates a "fresh air flow field" within the room. It relies on mechanical air supply and exhaust to force the formation of a fresh air flow field within the system. It is a new type of environmentally friendly appliance that keeps indoor air clean and fresh at all times. It typically includes components such as a casing, exhaust system, fresh air system, and heat exchange core. The casing has an exhaust inlet and an exhaust outlet. The heat exchange core is composed of multiple individual heat exchange chips stacked along its length. The amount of fresh air exchanged by the fresh air exchanger is closely related to the sealing performance of the heat exchange core.

[0003] However, the existing heat exchange core sealing structure only sets conventional sealing strips on the bottom and top surfaces of the heat exchange core, without any sealing structure on the fins on both sides of the heat exchange core. Therefore, the sealing effect is generally poor, and there is a tendency for incomplete sealing, which affects indoor air quality. Utility Model Content

[0004] The purpose of this invention is to provide a heat exchange core sealing structure to solve the problems existing in the prior art.

[0005] To achieve the above objectives, this utility model provides a heat exchange core sealing structure, including a heat exchange core disposed within a chassis. The heat exchange core has fins on both sides. The chassis contains two sheet metal guide grooves (first and second), both arranged circumferentially along the heat exchange core. A first sealing strip is disposed within each sheet metal guide groove (first), which covers the fins to form a seal. Second sealing strips are disposed within each sheet metal guide groove (second), with the second sealing strips respectively abutting the top and bottom surfaces of the heat exchange core. A limiting member is disposed within the chassis to fix the heat exchange core.

[0006] Preferably, the first sealing strip includes a sealing strip body, one end of which is provided with a trapezoidal groove, the opening size of which is smaller than the bottom size, and the wing is inserted into the trapezoidal groove; the top and bottom surfaces of the sealing strip body are provided with a plurality of first protruding ribs, the first protruding ribs contact the groove wall of the sheet metal guide groove, and a groove is formed between two adjacent first protruding ribs.

[0007] Preferably, the chassis is provided with a Z-shaped sheet metal part, one end of which is detachably connected to the chassis by bolts, and the Z-shaped sheet metal part and the chassis together form the sheet metal guide groove.

[0008] Preferably, the second sealing strip includes a sealing strip body two. The sealing strip body two has two deformable ribs at one end near the heat exchange core, and the two deformable ribs are arranged in a figure-eight shape. The sealing strip body two has an arc-shaped groove at one end away from the heat exchange core, and the arc-shaped groove contacts the bottom of the sheet metal guide groove two. Multiple second protruding ribs are provided on the opposite side walls of the sealing strip body two. The second protruding ribs contact the groove wall of the sheet metal guide groove two, and a groove is formed between two adjacent second protruding ribs.

[0009] Preferably, the depth of the second sheet metal guide groove is less than the height of the second sealing strip body, and the second sealing strip body has multiple deformation cavities inside.

[0010] Preferably, both the first sealing strip and the second sealing strip are silicone sealing strips.

[0011] Preferably, a U-shaped sheet metal part is provided inside the chassis, the U-shaped sheet metal part is fixedly connected to the chassis, a gap is provided between two U-shaped sheet metal parts arranged opposite each other, and the two U-shaped sheet metal parts arranged opposite each other and the chassis together form the second sheet metal guide groove.

[0012] Preferably, the limiting component includes a limiting plate, which is fixed to the chassis by bolts, and the heat exchange core is limited and engaged with the limiting plate.

[0013] Preferably, the heat exchange core has a hexagonal prism structure.

[0014] Compared with the prior art, the present invention has the following advantages and technical effects:

[0015] 1. The heat exchange core sealing structure provided by this utility model, through the setting of the first sealing strip, utilizes the cooperation between the first sealing strip and the fins of the heat exchange core to form a sealing effect between the fins of the heat exchange core and the chassis. At the same time, through the setting of the second sealing strip, multiple sealing effects can be formed between the end face of the heat exchange core and the chassis, thereby ensuring that there will be no problem of poor sealing between the heat exchange core and the chassis.

[0016] 2. This utility model improves the structure of the first and second sealing strips, causing them to deform after the heat exchange core is installed, thereby forming a multi-layer sealing structure between the heat exchange core and the chassis, ensuring the effectiveness of the seal. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is an overall schematic diagram of the heat exchange core sealing structure of this utility model;

[0019] Figure 2 for Figure 1 A magnified view of part A in the image;

[0020] Figure 3 This is a schematic diagram of the structure of the first sealing strip of this utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the second sealing strip of this utility model;

[0022] Figure 5 This is a schematic diagram showing the connection between the first sealing strip and the heat exchange core of this utility model;

[0023] Figure 6 This is a schematic diagram showing the connection between the second sealing strip and the heat exchange core of this utility model;

[0024] In the diagram: 1. Chassis; 2. Heat exchange core; 21. Fin; 3. First sealing strip; 31. Sealing strip body one; 32. Trapezoidal groove; 33. First protruding rib; 4. Second sealing strip; 41. Sealing strip body two; 42. Deformation rib; 43. Arc groove; 44. Second protruding rib; 45. Deformation cavity; 5. Z-shaped sheet metal part; 6. U-shaped sheet metal part; 7. Limiting plate. Detailed Implementation

[0025] It should be noted that, unless otherwise specified, the embodiments and features described in this utility model can be combined with each other. The described embodiments are merely some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. The present utility model will now be described in detail with reference to the accompanying drawings and embodiments.

[0026] like Figures 1 to 6As shown, this utility model provides a heat exchange core sealing structure, including a heat exchange core 2 disposed in a housing 1. The heat exchange core 2 has fins 21 on both sides. The housing 1 has two sheet metal guide grooves and multiple sheet metal guide grooves, both arranged circumferentially around the heat exchange core 2. A first sealing strip 3 is disposed within the first sheet metal guide groove, which covers the fins 21 to form a seal. Second sealing strips 4 are disposed within the second sheet metal guide grooves, and the multiple second sealing strips 4 respectively adhere to the top and bottom surfaces of the heat exchange core 2. A limiting member is disposed within the housing 1 to fix the heat exchange core 2.

[0027] Further optimization of the scheme: the first sealing strip 3 includes a sealing strip body 31, one end of which is provided with a trapezoidal groove 32. The opening size of the trapezoidal groove 32 is smaller than the bottom size of the trapezoidal groove 32, and the wing 21 is inserted into the trapezoidal groove 32. The top and bottom surfaces of the sealing strip body 31 are provided with multiple first protruding ribs 33. The first protruding ribs 33 contact the groove wall of the sheet metal guide groove, and a groove is formed between two adjacent first protruding ribs 33.

[0028] The design is further optimized by installing a Z-shaped sheet metal part 5 inside the chassis 1. One end of the Z-shaped sheet metal part 5 is detachably connected to the chassis 1 by bolts. The Z-shaped sheet metal part 5 and the chassis 1 together form a sheet metal guide groove.

[0029] Further optimizing the design, the second sealing strip 4 includes a sealing strip body 41. The end of the sealing strip body 41 closest to the heat exchange core 2 is provided with two deformable ribs 42, which are arranged in a figure-eight shape. The end of the sealing strip body 41 furthest from the heat exchange core 2 is provided with an arc-shaped groove 43, which contacts the bottom of the sheet metal guide groove 2. Multiple second protruding ribs 44 are provided on the opposite side walls of the sealing strip body 41. The second protruding ribs 44 contact the groove wall of the sheet metal guide groove 2, and a groove is formed between two adjacent second protruding ribs 44.

[0030] The design is further optimized so that the depth of the second sheet metal guide groove is less than the height of the second sealing strip body 41, and the second sealing strip body 41 has multiple deformation cavities 45 inside.

[0031] The design was further optimized so that both the first sealing strip 3 and the second sealing strip 4 are silicone sealing strips.

[0032] The design is further optimized by installing a U-shaped sheet metal part 6 inside the chassis 1. The U-shaped sheet metal part 6 is fixedly connected to the chassis 1, and a gap is provided between the two U-shaped sheet metal parts 6 that are arranged opposite each other. The two U-shaped sheet metal parts 6 and the chassis 1 together form the second sheet metal guide groove.

[0033] The scheme is further optimized. The limiting component includes a limiting plate 7, which is fixed to the chassis 1 by bolts. The heat exchange core 2 is limited and matched with the limiting plate 7.

[0034] The design was further optimized, and the heat exchange core 2 was made into a hexagonal prism structure.

[0035] The working principle of the heat exchange core sealing structure provided by this utility model is as follows:

[0036] First, insert the first sealing strip 3 onto the fins 21 of the heat exchange core 2. Use the fins 21 of the heat exchange core 2 to open the trapezoidal groove 32 on the first sealing strip 3. Then, install the second sealing strip 4 into the sheet metal guide groove 2 of the chassis 1. Next, install the heat exchange core 2 into the designated position inside the chassis 1. During installation, keep the first sealing strip 3 horizontal on both sides. After the heat exchange core 2 is installed in place, it will compress the second sealing strip 4, causing the deformable ribs 42 on the second sealing strip 4 to fit tightly against the end face of the heat exchange core 2. At the same time, the overall height of the second sealing strip 4 decreases, and the second protruding ribs 44 on the second sealing strip 4 fit tightly against the groove wall of the sheet metal guide groove 2. The arc groove 43 on the second sealing strip 4 deforms and compresses against the internal structure of the chassis 1, thereby achieving a seal between the heat exchange core 2 and the chassis 1 using the second sealing strip 4. Furthermore, by installing the Z-shaped sheet metal part 5 into the chassis 1, the Z-shaped sheet metal part 5 is used to compress the first sealing strip 3, causing the first protruding rib 33 on the first sealing strip 3 to fit tightly against the Z-shaped sheet metal part 5 and the chassis 1, thus again achieving a seal between the heat exchange core 2 and the chassis 1 using the first sealing strip 3. Finally, a limiting plate 7 is installed on the chassis 1 to fix the position of the heat exchange core 2.

[0037] The heat exchange core sealing structure provided by this utility model, through the setting of the first sealing strip 3, utilizes the cooperation between the first sealing strip 3 and the fins 21 of the heat exchange core 2 to form a sealing effect between the fins 21 of the heat exchange core 2 and the casing 1. Simultaneously, through the setting of the second sealing strip 4, multiple sealing effects can be formed between the end face of the heat exchange core 2 and the casing 1, thereby ensuring that there will be no problem of incomplete sealing between the heat exchange core 2 and the casing 1. Furthermore, by improving the structure of the first sealing strip 3 and the second sealing strip 4, the first sealing strip 3 and the second sealing strip 4 deform after the heat exchange core 2 is installed, thereby forming a multiple sealing structure between the heat exchange core 2 and the casing 1, ensuring the effectiveness of the seal.

[0038] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the scope of protection of this utility model.

Claims

1. A heat exchange core sealing structure comprising a heat exchange core (2) provided in a casing (1), both sides of the heat exchange core (2) being provided with fin portions (21), characterized in that, The chassis (1) is provided with two sheet metal guide grooves and multiple sheet metal guide grooves, both of which are arranged along the circumference of the heat exchange core (2). A first sealing strip (3) is provided in the sheet metal guide groove, which is used to cover the fin (21) to form a seal. A second sealing strip (4) is provided in the sheet metal guide groove, and multiple second sealing strips (4) are respectively attached to the top and bottom surfaces of the heat exchange core (2). A limiting member is provided in the chassis (1), which is used to fix the heat exchange core (2).

2. The heat exchange core seal structure according to claim 1, wherein The first sealing strip (3) includes a sealing strip body (31), one end of which is provided with a trapezoidal groove (32). The groove opening size of the trapezoidal groove (32) is smaller than the groove bottom size of the trapezoidal groove (32). The wing (21) is inserted into the trapezoidal groove (32). The top and bottom surfaces of the sealing strip body (31) are provided with a plurality of first protruding ribs (33). The first protruding ribs (33) contact the groove wall of the sheet metal guide groove, and a groove is formed between two adjacent first protruding ribs (33).

3. The heat exchange core seal structure according to claim 1, wherein The chassis (1) is provided with a Z-shaped sheet metal part (5). One end of the Z-shaped sheet metal part (5) is detachably connected to the chassis (1) by bolts. The Z-shaped sheet metal part (5) and the chassis (1) together form the sheet metal guide groove.

4. The heat exchange core seal structure according to claim 1, wherein The second sealing strip (4) includes a sealing strip body two (41). The sealing strip body two (41) has two deformable ribs (42) at one end near the heat exchange core (2). The two deformable ribs (42) are arranged in a figure-eight shape. The sealing strip body two (41) has an arc groove (43) at one end away from the heat exchange core (2). The arc groove (43) contacts the bottom of the groove of the sheet metal guide groove two. Multiple second protruding ribs (44) are provided on the opposite side walls of the sealing strip body two (41). The second protruding ribs (44) contact the groove wall of the sheet metal guide groove two. A groove is formed between two adjacent second protruding ribs (44).

5. The heat exchange core sealing structure according to claim 4, characterized in that, The depth of the second sheet metal guide groove is less than the height of the second sealing strip body (41), and the second sealing strip body (41) has multiple deformation cavities (45) inside.

6. The heat exchange core sealing structure according to claim 1, characterized in that, Both the first sealing strip (3) and the second sealing strip (4) are silicone sealing strips.

7. The heat exchange core sealing structure according to claim 1, characterized in that, The chassis (1) is provided with a U-shaped sheet metal part (6), which is fixedly connected to the chassis (1). A gap is provided between two U-shaped sheet metal parts (6) arranged opposite to each other. The two U-shaped sheet metal parts (6) and the chassis (1) together form the second sheet metal guide groove.

8. The heat exchange core sealing structure according to claim 1, characterized in that, The limiting component includes a limiting plate (7), which is fixed to the chassis (1) by bolts, and the heat exchange core (2) is limited and engaged with the limiting plate (7).

9. The heat exchange core sealing structure according to claim 1, characterized in that, The heat exchange core (2) has a hexagonal prism structure.

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