Main control board assembly and air purification device

Abstract

The utility model discloses a main control board assembly and air purification device, the main control board assembly includes box body, cover that covers the top of box body, and the main control board that is fixed in the box body, the cover is provided with a first fixing hole, the main control board is provided with a second fixing hole, the box body is provided with a third fixing hole, the third fixing hole is provided with a second fixing hole, and the second fixing hole is provided with a second fixing hole. Screws penetrate through the first fixing holes, the second fixing holes and the third fixing holes along the upper end face of the box cover, and the main control board assembly is fixed to a machine body. According to the utility model, the box cover, the main control board and the box body are integrally fixed on the machine body of the air purification device through the screws, and only one-time screw fixation is needed in the assembly process, so that the installation is convenient, and time and labor are saved.

Description

Technical Field

[0001] The utility model belongs to the technical field of air purification, and in particular relates to a main control board component and an air purification device. Background Art

[0002] The main control board is the core component for controlling the operation of the machine. When it is installed on the machine body, it needs to be tightly fixed to the machine body. For example, when the main control board assembly of an air purifier is installed on the machine body of the air purifier, most of the related technologies use screws and snap-fit ​​methods to assemble the main control board assembly to the machine body, where the screw fixing method is: during the assembly process, the box body of the main control board is first fixed to the machine body with screws, and then the main control board is fixed in the box body with screws, and finally the box cover is fixed to the box body with screws. This method of installing and fixing the main control board assembly requires multiple screw fixings, which makes disassembly and assembly inconvenient, time-consuming and labor-intensive. Utility Model Content

[0003] The utility model provides a main control panel assembly and an air purification device, so as to solve the problems in the prior art that the installation of the main control panel assembly requires multiple screw fixations, and the disassembly and assembly is inconvenient, time-consuming and labor-intensive.

[0004] The first aspect of the utility model provides a main control board assembly, including a box body, a box cover arranged on the top of the box body, and a main control board fixed in the box body, the box cover is provided with a first fixing hole, the main control board is provided with a second fixing hole, and the box body is provided with a third fixing hole, and a screw passes through the first fixing hole, the second fixing hole and the third fixing hole along the upper end surface of the box cover to fix the main control board assembly to the machine body.

[0005] Preferably, a countersunk hole is provided on the upper end surface of the box cover, and the first fixing hole is located in the countersunk hole.

[0006] Preferably, a fixing column is provided on the lower end surface of the box cover, the first fixing hole passes through the fixing column longitudinally, and the lower end surface of the fixing column abuts against the upper end surface of the main control board.

[0007] Preferably, a locking plate is provided on the lower end surface of the box cover, and the locking plate forms a locking position with the bottom periphery of the box cover to lock and fix the top periphery of the box body.

[0008] Preferably, at least two inner side surfaces of the box body are provided with connecting ribs to be connected to the inner bottom surface of the box body, and the lower end surface of the main control board abuts against the upper end surface of the connecting ribs.

[0009] Preferably, at least two support seats are provided on the inner bottom surface of the box body, the third fixing hole passes through the support seats longitudinally, and the lower end surface of the main control board abuts against the upper end surface of the support seats.

[0010] Preferably, the support seat is provided with an anti-foolproof column, and the main control board is provided with an anti-foolproof hole matching the anti-foolproof column.

[0011] Preferably, a limiting groove is provided at the bottom of the box body, a limiting column matching the limiting groove is provided at the body, the third fixing hole is located in the limiting groove, and a screw hole matching the screw is provided in the limiting column.

[0012] Preferably, a wire passing groove is provided on the side periphery of the box body, and a wire buckle is provided in the wire passing groove.

[0013] A second aspect of the utility model provides an air purification device, comprising a main control board assembly as described in any one of the above technical solutions, wherein the main control board assembly is fixed on a body of the air purification device.

[0014] The utility model has the following beneficial effects:

[0015] The utility model provides a main control board assembly and an air purification device, the main control board assembly includes a box body, a box cover arranged on the top of the box body, and a main control board fixed in the box body, the box cover is provided with a first fixing hole, the main control board is provided with a second fixing hole, the box body is provided with a third fixing hole, and screws pass through the first fixing hole, the second fixing hole and the third fixing hole along the upper end surface of the box cover to fix the main control board assembly to the body. The utility model uses screws to integrally fix the box cover, the main control board and the box body to the body of the air purification device, and only one screw fixation is required during the assembly process, which is convenient for disassembly and assembly, saving time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the following briefly introduces the drawings required for the embodiments or the prior art description. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. In addition, in the drawings, the same parts are marked with the same reference numerals, and the drawings are not drawn according to the actual scale.

[0017] Figure 1 This is a structural diagram of a main control board assembly of a specific embodiment of the utility model;

[0018] Figure 2 This is an exploded structural diagram of a main control board assembly of a specific embodiment of the utility model;

[0019] Figure 3 This is a structural diagram of a box cover according to a specific embodiment of the utility model;

[0020] Figure 4 It is a structural diagram of a box body of a specific embodiment of the utility model;

[0021] Figure 5 It is a schematic diagram of the assembly structure of the main control board assembly of a specific embodiment of the utility model.

[0022] Description of Figure Numbers

[0023] 100-main control board assembly;

[0024] 110 - box cover; 111 - first fixing hole; 112 - countersunk hole; 113 - fixing column; 114 - positioning plate;

[0025] 120-main control board; 121-second fixing hole; 122-anti-fool hole;

[0026] 130-box body; 131-third fixing hole; 132-connecting rib; 133-support seat; 1331-anti-fool column; 134-limiting groove; 135-wire groove; 1351-cable buckle;

[0027] 210-machine body; 211-limiting column. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the embodiments disclosed in the present utility model clearer, the technical solution in the embodiments of the present utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are part of the embodiments of the present disclosure, not all of the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present utility model.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. Specific embodiments

[0031] like Figure 1-Figure 5 As shown, in a first aspect of the present embodiment, a main control board assembly (100) is provided, comprising a box body (130), a box cover (110) arranged on the top of the box body (130), and a main control board (120) fixed in the box body (130), the box cover (110) being provided with a first fixing hole (111), the main control board (120) being provided with a second fixing hole (121), and the box body (130) being provided with a third fixing hole (131), and screws passing through the first fixing hole (111), the second fixing hole (121) and the third fixing hole (131) along the upper end surface of the box cover (110) to fix the main control board assembly (100) on the machine body (210).

[0032] In this embodiment, the box cover (110), the main control board (120) and the box body (130) are integrally fixed to the body (210) of the air purification device by screws, and only one screw fixation is required during the assembly process. On the one hand, compared with the traditional method of multiple screw fixation, material costs are saved; on the other hand, the method of integral screw fixation can achieve quick disassembly and assembly, saving time and effort.

[0033] Please refer to Figure 1 In a more preferred embodiment, a countersunk hole (112) is provided on the upper end surface of the box cover (110), and the first fixing hole (111) is located in the countersunk hole (112). In this embodiment, when the screw is fixed to the main control board assembly (100) along the upper end surface of the box cover (110), the nut of the screw is located in the countersunk hole (112) to ensure the flatness of the upper end surface of the box cover (110).

[0034] Please refer to Figure 2 In a more preferred embodiment, a fixing column (113) is provided on the lower end surface of the box cover (110), the first fixing hole (111) longitudinally penetrates the fixing column (113), and the lower end surface of the fixing column (113) abuts against the upper end surface of the main control board (120). During the assembly process, the lower end surface of the fixing column (113) abuts against the upper end surface of the main control board (120) to achieve longitudinal fixation of the main control board (120) and prevent the main control board (120) from shifting.

[0035] Please refer to Figure 3 In a more preferred embodiment, a locking plate (114) is provided on the lower end surface of the box cover (110), and the locking plate (114) and the bottom periphery of the box cover (110) form a locking position to lock the top periphery of the box body (130). In this embodiment, the locking plate (114) is provided to achieve the locking and fixing of the box cover (110) and the box body (130), and the main control board assembly (100) is more stable in combination with the screw fixing method.

[0036] In a more preferred embodiment, at least two inner side surfaces of the box body (130) are provided with connecting ribs (132) to connect to the inner bottom surface of the box body (130), and the lower end surface of the main control board (120) abuts against the upper end surface of the connecting ribs (132). On the one hand, the connecting ribs (132) connect the inner side surface and the inner bottom surface of the box body (130), thereby reinforcing the box body (130) and making the box body (130) have higher mechanical strength; on the other hand, the connecting ribs (132) support the main control board (120), thereby forming a cavity between the main control board (120) and the inner bottom surface of the box body (130), and reserving accommodation space for electronic components on the main control board (120). Specifically, the connecting ribs (132) can be provided on two adjacent or opposite side surfaces of the box body (130), or on three or four side surfaces inside the box body (130). Please refer to Figure 4In this embodiment, the box body (130) is square, and the connecting ribs (132) are evenly distributed on the four sides of the box body (130).

[0037] In a more preferred embodiment, at least two support seats (133) are provided on the inner bottom surface of the box body (130), the third fixing hole (131) vertically penetrates the support seat (133), and the lower end surface of the main control board (120) abuts against the upper end surface of the support seat (133). Specifically, the number of the support seats (133) is more than two to support the main control board (120) to avoid deformation of the main control board (120) during the assembly process. Please refer to Figure 4 In this embodiment, there are four support seats (133), which are respectively located at the four corners of the inner bottom surface of the square box body (130).

[0038] In a more preferred embodiment, the support seat (133) is provided with an anti-foolproof column (1331), and the main control board (120) is provided with an anti-foolproof hole (122) matching the anti-foolproof column (1331). During the assembly process, the main control board (120) is aligned by matching the anti-foolproof hole (122) with the anti-foolproof column (1331) to prevent the main control board (120) from being installed upside down, so that the main control board (120) can be quickly installed in the box body (130). Please refer to Figure 4 In this embodiment, there are two anti-foolproofing columns (1331), which are respectively located on two adjacent support seats (133).

[0039] Please refer to Figure 4 , Figure 5 In a more preferred embodiment, a limiting groove (134) is provided at the bottom of the box body (130), a limiting column (211) matching the limiting groove (134) is provided on the machine body (210), the third fixing hole (131) is located in the limiting groove (134), and a screw hole matching the screw is provided in the limiting column (211). During the assembly process, the limiting column (211) is matched with the limiting groove (134) to align the box body (130), so that the third fixing hole (131) can be quickly aligned with the screw hole in the limiting column (211), so as to facilitate the fixing of the box body (130).

[0040] Please refer to Figure 4 In a more preferred embodiment, a wire groove (135) is provided on the side of the box body (130), and a wire clip (1351) is provided in the wire groove (135). Specifically, the electric wire connected to the main control board (120) passes through the wire groove (135) to be electrically connected to the external electronic components, and the wire clip (1351) is used to gather the electric wire passing through the wire groove (135).

[0041] Please refer to Figure 5According to a second aspect of this embodiment, an air purification device is provided, comprising a main control board assembly (100), wherein the main control board assembly (100) is fixed to a body (210) of the air purification device.

[0042] The above are only specific embodiments of the present invention, so that those skilled in the art can understand or implement the present disclosure. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A main control board assembly, comprising a box body (130), a box cover (110) arranged on the top of the box body (130), and a main control board (120) fixed in the box body (130), characterized in that: The box cover (110) is provided with a first fixing hole (111), the main control board (120) is provided with a second fixing hole (121), and the box body (130) is provided with a third fixing hole (131); a screw is passed through the first fixing hole (111), the second fixing hole (121) and the third fixing hole (131) along the upper end surface of the box cover (110) to fix the main control board assembly (100) on the machine body (210).

2. The main control board assembly according to claim 1, characterized in that: The upper end surface of the box cover (110) is provided with a countersunk hole (112), and the first fixing hole (111) is located in the countersunk hole (112).

3. The main control board assembly according to claim 1, characterized in that: The lower end surface of the box cover (110) is provided with a fixing column (113), the first fixing hole (111) vertically penetrates the fixing column (113), and the lower end surface of the fixing column (113) abuts against the upper end surface of the main control board (120).

4. The main control board assembly according to claim 1, characterized in that: The lower end surface of the box cover (110) is provided with a locking plate (114), and the locking plate (114) forms a locking position with the bottom periphery of the box cover (110) so as to lock and fix the top periphery of the box body (130).

5. The main control board assembly according to claim 1, characterized in that: At least two inner side surfaces of the box body (130) are provided with connecting ribs (132) to be connected to the inner bottom surface of the box body (130), and the lower end surface of the main control board (120) abuts against the upper end surface of the connecting ribs (132).

6. The main control board assembly according to claim 1, characterized in that: At least two support seats (133) are provided on the inner bottom surface of the box body (130); the third fixing hole (131) passes through the support seat (133) longitudinally; and the lower end surface of the main control board (120) abuts against the upper end surface of the support seat (133).

7. The main control board assembly according to claim 6, characterized in that: The support seat (133) is provided with an anti-fool column (1331), and the main control board (120) is provided with an anti-fool hole (122) matching the anti-fool column (1331).

8. The main control board assembly according to claim 1, characterized in that: The bottom of the box body (130) is provided with a limiting groove (134), the machine body (210) is provided with a limiting column (211) matching the limiting groove (134), the third fixing hole (131) is located in the limiting groove (134), and the limiting column (211) is provided with a screw hole matching the screw.

9. The main control board assembly according to claim 1, characterized in that: A wire passing groove (135) is provided on the side periphery of the box body (130), and a wire locking buckle (1351) is provided in the wire passing groove (135).

10. An air purification device, characterized in that: It comprises the main control board assembly (100) according to any one of claims 1 to 9, and the main control board assembly (100) is fixed on the body (210) of the air purification device.

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