A frame type heat pump unit sheet metal shell

Abstract

The utility model relates to the field of heat pump unit especially is involved in a frame type heat pump unit sheet metal shell, solve the small maintenance space, inconvenient maintenance, slow assembly efficiency problem, the four sheet metal parts can be dismantled at will under the condition that the main body frame does not move, and the maintenance operation space is big, and the buckle type assembly mode can reduce the number of use of self -tapping screw, reduces the unit cost, promotes assembly efficiency, including bottom plate, front panel, top frame, right back side board and left side stand, the bottom plate is rectangular board, the top frame is the rectangular frame that corresponds with the bottom plate upside and down, the upper and lower ends of front panel, right back side board and left side stand are fixedly connected with top frame, bottom plate respectively and form the main body frame, the left side stand is located the left back corner position of bottom plate, right back side board is located the right side position of bottom plate.

Description

Technical Field

[0001] This utility model relates to the field of heat pump units, and in particular to a sheet metal housing for a frame-type heat pump unit. Background Technology

[0002] In 2024, my country's heat pump market share reached over 35 billion yuan, with residential heat pumps accounting for approximately 53%. Air source heat pumps, as a clean heating method, have begun large-scale application in northern my country. Currently, the main heat pump heating methods used in northern my country are centralized heating and individual household heating. Due to limitations in installation space, pipe insulation, and cost, residential air source heat pumps remain the preferred choice for heating rural houses.

[0003] Currently, heat pump products generally use the outer casing of air conditioners and are fixed with external fasteners. The overall appearance of the unit is no different from that of an air conditioner. When performing maintenance, it can generally only be disassembled from the rear panel, which results in a small maintenance space, inconvenience in maintenance, and a large number of self-tapping screws, leading to high unit costs and slow assembly efficiency. Utility Model Content

[0004] This utility model provides a frame-type heat pump unit sheet metal housing, which solves the problems of small maintenance space, inconvenient maintenance, and slow assembly efficiency. The sheet metal parts around the main frame can be disassembled at will while the main frame remains stationary, providing a large maintenance operation space. The snap-fit ​​assembly method can reduce the number of self-tapping screws used, reduce unit costs, and improve assembly efficiency.

[0005] This utility model is achieved through the following technical solution: A frame-type heat pump unit sheet metal housing includes a base plate, a front panel, a top frame, a right rear side panel, and a left column. The base plate is a rectangular plate, and the top frame is a rectangular frame corresponding to the top and bottom of the base plate. The upper and lower ends of the front panel, the right rear side panel, and the left column are fixedly connected to the top frame and the base plate, respectively, to form the main frame. The left column is located at the left rear corner of the base plate, and the right rear side panel is located at the rear right side of the base plate. It also includes a top cover, a back panel, a left side panel, and a right side panel. The top cover is installed inside the top frame. The left and right sides of the left side panel are respectively connected to the front panel and the left side column by snap-fit ​​assembly. The left and right sides of the rear side panel are respectively connected to the front panel and the right rear side panel by snap-fit ​​assembly. The left and right sides of the back panel are respectively connected to the left side column and the right rear back panel by snap-fit ​​assembly.

[0006] Furthermore, multiple thin plate-shaped locking blocks are provided on both sides of the left side panel, back panel, and right side panel. The upper part of the locking block is provided with a locking notch. Vertically distributed first connecting plates are installed on both sides of the front panel, left column, and right rear side panel. The first connecting plates are provided with multiple locking slots. The locking blocks are inserted into the corresponding locking slots and move upward, so that the locking notch engages with the upper edge of the locking slot to achieve a snap-fit ​​assembly connection.

[0007] Furthermore, the base plate has upward-facing flanges on all four sides; The bottom edge of the left side plate, back plate and right side plate is provided with a second connecting plate. The second connecting plate is provided with two mounting holes, and the mounting holes of the second connecting plate are fixedly connected to the flange by fastening bolts.

[0008] Furthermore, it also includes a partition plate and a fan bracket, the bottom of which is fixedly connected to the base plate and the top of which is fixedly connected to the top cover.

[0009] Furthermore, the base plate, front panel, top cover, back panel, left side panel, and right side panel are all made of sheet metal.

[0010] The beneficial effects achieved by this utility model compared with the prior art are as follows: 1. The front panel, right rear side panel and left column are fixedly connected to the top frame and bottom plate at the top and bottom ends respectively to form the main frame. The back panel, left side panel and right side panel are connected by snap-fit ​​assembly. With this design, the sheet metal parts around the main frame can be disassembled at will without moving the main frame, which provides a large maintenance operation space. At the same time, the snap-fit ​​assembly method can reduce the number of self-tapping screws used, reduce the unit cost and improve assembly efficiency. 2. The card block is inserted into the corresponding slot and moves upward so that the snap-fit ​​notch engages with the upper edge of the slot to achieve a snap-fit ​​assembly connection. The snap-fit ​​assembly connection can be achieved simply by moving the back plate, left side plate and right side plate upward, which can save a lot of self-tapping screws, reduce the overall cost of the machine, and make disassembly convenient. 3. This patent has a reasonable structural design, adopts a frame structure, and its assembly method and appearance are different from those of traditional air conditioner casings. Attached Figure Description

[0011] Figure 1 This is a three-dimensional schematic diagram of the sheet metal housing of the frame-type heat pump unit described in this utility model; Figure 2 This is an exploded view of the sheet metal casing of the frame-type heat pump unit described in this utility model; Figure 3 This is a schematic diagram of the main frame of the present invention; Figure 4 This is a schematic diagram of the snap-fit ​​assembly of the left side plate and the left side column of this utility model; Figure 5 for Figure 4 Enlarged diagram of part A in the middle; Figure 6 This is a schematic diagram of the base plate described in this utility model; In the diagram: 1. Base plate, 2. Left side column, 3. Fan bracket, 4. Top frame, 5. Back plate, 6. Top cover, 7. Middle partition plate, 8. Right rear side plate, 9. Valve plate, 10. Right side plate, 11. Front panel, 12. Left side plate, 13. Clip, 14. Clip notch, 15. First connecting plate, 16. Slot, 17. Flanged edge, 18. Second connecting plate, 19. Mounting hole. Detailed Implementation

[0012] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0013] In the description of the utility model, it should be understood that the terms "front", "rear", "up", "down", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the utility model.

[0014] To adapt to existing heat pump units, such as Figures 1-6 As shown in the figure, this embodiment discloses a sheet metal housing of a frame-type heat pump unit, which mainly includes a base plate 1, a front panel 11, a top frame 4, a right rear side panel 8, a left side column 2, a top cover 6, a back plate 5, a left side panel 12, a right side panel 10, a middle partition 7, and a fan bracket 3. The base plate 1, the front panel 11, the top cover 6, the back plate 5, the left side panel 12, and the right side panel 10 are all made of sheet metal.

[0015] The base plate 1 is a rectangular plate, and the top frame 4 is a rectangular frame corresponding vertically to the base plate 1. The front panel 11, the right rear side panel 8, and the left column 2 are fixedly connected to the top frame 4 and the base plate 1 at their respective ends by bolts and fasteners, thus forming a sturdy main frame. The left column 2 is located at the left rear corner of the base plate 1, and the right rear side panel 8 is located at the rear right side of the base plate 1. A valve plate 9 is also mounted on the rear rear side panel 8. The bottom of the middle partition 7 and the fan bracket 3 are fixedly connected to the base plate 1 by bolts and fasteners, and the top is fixedly connected to the top cover 6. The middle partition 7 and the fan bracket 3 are located in the middle area of ​​the base plate 1.

[0016] The top cover 6 is fixedly installed inside the top frame 4 using fasteners. The left and right sides of the left side panel 12 are respectively connected to the front panel 11 and the left side column 2 via snap-fit ​​assembly. The left and right sides of the rear side panel are respectively connected to the front panel 11 and the right rear side panel 8 via snap-fit ​​assembly. The left and right sides of the back panel 5 are respectively connected to the left side column 2 and the right rear back panel 5 via snap-fit ​​assembly. In this embodiment, to facilitate snap-fit ​​assembly, two vertically distributed locking blocks 13 are machined on the left and right sides of the left side panel 12, the back panel 5, and the right side panel 10. The locking blocks 13 are thin plates, and a locking notch 14 is machined on the upper part of the locking blocks 13. The locking notch 14 is a vertically distributed rectangle. The front panel 11, the left column 2, and the right rear panel 8 are all equipped with vertically distributed first connecting plates 15 on both sides. Two slots 16 are machined on the first connecting plates 15. The slots 16 allow the inserting of the locking block 13. When the locking block 13 is inserted into the corresponding slot 16 and moves upward, the locking notch 14 engages with the upper edge of the slot 16 to achieve a snap-fit ​​assembly connection.

[0017] The base plate 1 has upward-facing flanges 17 bent around its four sides. Second connecting plates 18 are installed on the bottom sides of the left side plate 12, back plate 5, and right side plate 10. Two mounting holes 19 are provided on the second connecting plates 18, which are then fixed to the flanges 17 by fastening bolts. Previously, fixing the plates often required more than ten screws; however, with this solution, a snap-fit ​​assembly connection with just two fastening bolts is sufficient for fixation, facilitating subsequent disassembly and maintenance.

[0018] With the above solution, the front panel, right rear side panel and left column are fixedly connected to the top frame and bottom plate at the top and bottom ends to form the main frame. The back panel, left side panel and right side panel are connected by snap-fit ​​assembly. With this design, the sheet metal parts around the main frame can be disassembled at will without moving the main frame, which provides a large space for maintenance. At the same time, the snap-fit ​​assembly method can reduce the number of self-tapping screws used, reduce the cost of the unit and improve the assembly efficiency.

Claims

1. A sheet metal housing for a frame-type heat pump unit, characterized in that, It includes a base plate (1), a front panel (11), a top frame (4), a right rear side panel (8), and a left column (2). The base plate (1) is a rectangular plate, and the top frame (4) is a rectangular frame that corresponds vertically to the base plate (1). The upper and lower ends of the front panel (11), the right rear side panel (8), and the left column (2) are fixedly connected to the top frame (4) and the base plate (1) respectively to form the main frame. The left column (2) is located at the left rear corner of the base plate (1), and the right rear side panel (8) is located at the rear right side of the base plate (1). It also includes a top cover (6), a back panel (5), a left side panel (12), and a right side panel (10). The top cover (6) is installed inside the top frame (4). The left and right sides of the left side panel (12) are respectively connected to the front panel (11) and the left column (2) by snap-fit ​​assembly. The left and right sides of the rear side panel are respectively connected to the front panel (11) and the right rear side panel (8) by snap-fit ​​assembly. The left and right sides of the back panel (5) are respectively connected to the left column (2) and the right rear back panel (5) by snap-fit ​​assembly.

2. The sheet metal housing of the frame-type heat pump unit according to claim 1, characterized in that, The left side plate (12), back plate (5) and right side plate (10) are provided with multiple thin plate-shaped locking blocks (13) on both sides. The upper part of the locking block (13) is provided with a locking notch (14). The left and right sides of the front panel (11), left column (2) and right rear side plate (8) are each provided with vertically distributed first connecting plates (15). The first connecting plate (15) is provided with multiple slots (16). The locking block (13) is inserted into the slot (16) and moves upward, so that the locking notch (14) is engaged with the upper edge of the slot (16) to achieve a snap-fit ​​assembly connection.

3. The sheet metal housing of the frame-type heat pump unit according to claim 2, characterized in that, The bottom plate (1) has upward-facing flanges (17) on all four sides. The bottom side of the left side plate (12), back plate (5) and right side plate (10) are provided with a second connecting plate (18). The second connecting plate (18) is provided with two mounting holes (19). The mounting holes (19) of the second connecting plate (18) are fixedly connected to the flange (17) by fastening bolts.

4. The sheet metal housing of the frame-type heat pump unit according to claim 1, characterized in that, It also includes a partition plate (7) and a fan bracket (3), the bottom of which is fixedly connected to the base plate (1) and the top is fixedly connected to the top cover (6).

5. The sheet metal housing of the frame-type heat pump unit according to any one of claims 1-4, characterized in that, The base plate (1), front panel (11), top cover (6), back panel (5), left side panel (12) and right side panel (10) are all made of sheet metal.

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