Combined circuit board structure

Abstract

The utility model relates to the technical field of circuit board installation, in particular to a combined circuit board structure, which comprises an installation frame, an installation groove arranged inside the installation frame, a circuit board main body arranged inside the installation groove, a connecting frame arranged on the upper surface of the installation frame, waterproof glue arranged on the edge of the connecting frame, and a sealing strip and a limiting piece arranged on the side surface of the installation frame. A spring rod and a pressing piece are arranged in the center of the connecting frame. The circuit board main body is installed in the installation frame, and then the installation frame is connected with the electric appliance or the electronic equipment, so that the installation or disassembly time can be shortened, the circuit board main body can be prevented from being directly impacted by the outside, in addition, the waterproof glue can also prevent external water from entering the circuit board main body to damage the circuit board main body, and the service life of the circuit board main body is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board installation, and particularly relates to a combined circuit board structure. Background Art

[0002] A circuit board is a substrate for connecting and supporting electronic components, which is composed of one or more layers of insulating materials and conductive materials, and is usually used to realize functions such as layout design of complex circuits and electrical signal transmission in electrical appliances and electronic devices.

[0003] At the present stage, the circuit board is usually directly connected to the electrical appliance body, and several bolts are required at this time. Not only is the disassembly troublesome, but if external moisture enters the electrical appliance interior at this time, it is very easy to cause the problem of water ingress and damage inside the circuit board, affecting the service life of the circuit board. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the defects existing in the prior art, and to propose a combined circuit board structure.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A combined circuit board structure includes an installation frame. An installation groove is formed inside the installation frame. A circuit board main body is arranged inside the installation groove. A connection frame is installed on the upper surface of the installation frame. A waterproof glue is arranged at the edge of the connection frame. A sealing strip and a limiting member are installed on the side surface of the installation frame. A spring rod and a pressing piece are arranged at the center of the connection frame.

[0007] Further, the circuit board main body is slidably connected to the inner surface of the installation groove. The connection frame is cross-shaped. Waterproof glue is pasted on the inner side edge of the installation frame and several edges of the connection frame, and the waterproof glue is in contact with the upper surface of the circuit board main body.

[0008] Further, positioning holes are formed at the edges of the circuit board main body and the installation frame. A positioning bolt is inserted into the positioning hole. The positioning bolt is slidably connected to both the installation frame and the circuit board main body. The end of the positioning bolt is threadedly connected with a fixing member. The fixing member is rotatably connected to the lower surface of the installation frame.

[0009] Further, the thickness of the limiting member is the same as that of the installation groove. The sealing strip is fixedly connected to the edge of the limiting member. The thickness of the sealing strip is the same as that of the installation frame. Through holes are respectively formed on both side surfaces of the installation frame. Reserved holes are formed on both side surfaces of the limiting member.

[0010] Further, the positions of the reserved holes correspond to those of the through holes, and a connecting piece is inserted through the inside of the through holes. The connecting piece is threadedly connected to the inner surface of the reserved holes, and the length of the connecting piece is greater than the sum of the lengths of the through holes and the reserved holes.

[0011] Further, an elastic soft pad is fixedly installed on the inner surface of the mounting frame. The connecting frame is fixedly connected to the inner edge of the mounting frame. A connecting groove is formed at the center of the connecting frame, and the outer surface of a spring rod is fixedly connected to the inside of the connecting groove. The pressing piece is fixedly connected to the end of the spring rod.

[0012] Further,

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] By installing the circuit board main body inside the mounting frame and then connecting the mounting frame to an electrical appliance or electronic device, not only can the installation or disassembly time be shortened, but also the circuit board main body can be prevented from being directly impacted externally. In addition, the waterproof glue can also prevent external water from entering the circuit board main body and causing damage, thereby extending the service life of the circuit board main body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings are used to provide a further understanding of the present utility model and constitute a part of the specification. They are used together with the embodiments of the present utility model to explain the present utility model, but do not constitute a limitation to the present utility model.

[0016] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0017] Figure 2 is an enlarged schematic diagram of the structure at A of the present utility model;

[0018] Figure 3 is a partial sectional schematic diagram of the connecting frame of the present utility model;

[0019] In the figure: 1, mounting frame; 2, circuit board main body; 3, waterproof glue; 4, positioning bolt; 5, sealing strip; 6, limiting member; 7, mounting groove; 8, connecting piece; 9, through hole; 10, reserved hole; 11, spring rod; 12, connecting groove; 13, pressing piece; 14, elastic soft pad; 15, connecting frame; 16, positioning hole; 17, fixing member. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model;

[0021] Refer to Figures 1-3, A combined circuit board structure, including a mounting frame 1. An installation groove 7 is provided inside the mounting frame 1. A circuit board main body 2 is arranged inside the installation groove 7. A connecting frame 15 is installed on the upper surface of the mounting frame 1. A waterproof glue 3 is provided at the edge of the connecting frame 15. A sealing strip 5 and a limiting member 6 are installed on the side surface of the mounting frame 1. A spring rod 11 and a pressing piece 13 are provided at the center of the connecting frame 15.

[0022] The circuit board main body 2 is slidably connected to the inner surface of the installation groove 7. The connecting frame 15 is cross-shaped. Waterproof glue 3 is pasted on several edges of the inner edge of the mounting frame 1 and the connecting frame 15, and the waterproof glue 3 is in contact with the upper surface of the circuit board main body 2. After the circuit board main body 2 is pushed into the mounting frame 1 from the installation groove 7, waterproof glue 3 is applied to the inner edges of the inner edge of the mounting frame 1 and the connecting frame 15 that are engaged, which can reduce the gap between the mounting frame 1 and the circuit board main body 2 and reduce the influence of external moisture entering on the performance of the circuit board main body 2.

[0023] Positioning holes 16 are provided at the edges of both the circuit board main body 2 and the mounting frame 1. A positioning bolt 4 is passed through the positioning holes 16. The positioning bolt 4 is slidably connected to both the mounting frame 1 and the circuit board main body 2. The end of the positioning bolt 4 is threadedly connected to a fixing member 17. The fixing member 17 is rotatably connected to the lower surface of the mounting frame 1. After the circuit board main body 2 is pushed into the installation groove 7, the positioning bolt 4 is passed through the positioning holes 16 to stably connect the circuit board main body 2 and the mounting frame 1. The fixing member 17 is screwed on from below to prevent the positioning bolt 4 from falling off.

[0024] The thickness of the limiting member 6 is the same as that of the installation groove 7. The sealing strip 5 is fixedly connected to the edge of the limiting member 6. The thickness of the sealing strip 5 is the same as that of the mounting frame 1. Through holes 9 are respectively provided on both side surfaces of the mounting frame 1. Reserved holes 10 are provided on both side surfaces of the limiting member 6.

[0025] The positions of the reserved holes 10 correspond to those of the through holes 9, and a connecting member 8 is passed through the through holes 9. The connecting member 8 is threadedly connected to the inner surface of the reserved holes 10. The length of the connecting member 8 is greater than the sum of the lengths of the through holes 9 and the reserved holes 10.

[0026] After the circuit board main body 2 is installed, the limiting member 6 is inserted into the edge of the installation groove 7 until the sealing strip 5 is closely attached to the outer edge of the mounting frame 1. The connecting member 8 is inserted through the through hole 9 and screwed into the reserved hole 10 to stably connect both the sealing strip 5 and the limiting member 6 to the mounting frame 1.

[0027] An elastic soft pad 14 is fixedly installed on the inner surface of the installation frame 1 to provide support for the lower part of the circuit board main body 2 to prevent its center from being vulnerable to impact and damage. The connecting frame 15 is fixedly connected to the inner edge of the installation frame 1. A connecting groove 12 is formed at the center of the connecting frame 15. The inner part of the connecting groove 12 is fixedly connected to the outer surface of the spring rod 11. The pressing piece 13 is fixedly connected to the end of the spring rod 11. The upper surface of the circuit board main body 2 is pressed by the pressing piece 13 to reduce its movement, and the spring rod 11 can also reduce the impact of external shocks on the circuit board main body 2.

[0028] Working principle: For this combined circuit board structure, during use, after the circuit board main body 2 is pushed into the installation frame 1 from the installation groove 7, waterproof glue 3 is applied to the inner edges of the installation frame 1 and the inner edges of the engaging connecting frame 15 to reduce the gap between the installation frame 1 and the circuit board main body 2 and reduce the influence of external moisture entering on the performance of the circuit board main body 2. The positioning bolt 4 is inserted through the positioning hole 16 to stably connect the circuit board main body 2 and the installation frame 1. The fixing piece 17 is screwed on from below to prevent the positioning bolt 4 from falling off. The limiting piece 6 is inserted into the edge of the installation groove 7 until the sealing strip 5 is closely attached to the outer edge of the installation frame 1. The connecting piece 8 is inserted through the through hole 9 and screwed into the reserved hole 10 to stably connect both the sealing strip 5 and the limiting piece 6 to the installation frame 1. The elastic soft pad 14 provides support for the lower part of the circuit board main body 2 to prevent its center from being vulnerable to impact and damage.

[0029] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A combined circuit board structure, comprising a mounting frame (1), characterized in that, An installation groove (7) is formed inside the installation frame (1). A circuit board main body (2) is arranged inside the installation groove (7). A connection frame (15) is installed on the upper surface of the installation frame (1). A waterproof glue (3) is arranged at the edge of the connection frame (15). A sealing strip (5) and a limiting member (6) are installed on the side surface of the installation frame (1). A spring rod (11) and a pressing piece (13) are arranged at the center of the connection frame (15).

2. The combined circuit board structure according to claim 1, characterized in that, The circuit board main body (2) is slidably connected to the inner surface of the installation groove (7). The connection frame (15) is cross-shaped. Waterproof glue (3) is pasted on several edges of the inner side edge of the installation frame (1) and the connection frame (15), and the waterproof glue (3) is in contact with the upper surface of the circuit board main body (2).

3. A combined circuit board structure according to claim 1, characterized in that, Positioning holes (16) are formed at the edges of the circuit board main body (2) and the installation frame (1). A positioning bolt (4) is inserted into the positioning holes (16). The positioning bolt (4) is slidably connected to both the installation frame (1) and the circuit board main body (2). A fixing member (17) is threadedly connected to the end of the positioning bolt (4). The fixing member (17) is rotatably connected to the lower surface of the installation frame (1).

4. A combined circuit board structure according to claim 1, characterized in that, The thickness of the limiting member (6) is the same as that of the installation groove (7). The sealing strip (5) is fixedly connected to the edge of the limiting member (6). The thickness of the sealing strip (5) is the same as that of the installation frame (1). Through holes (9) are respectively formed on both side surfaces of the installation frame (1). Reserved holes (10) are formed on both side surfaces of the limiting member (6).

5. A combined circuit board structure according to claim 4, characterized in that, The positions of the reserved holes (10) correspond to those of the through holes (9). A connecting member (8) is inserted into the through holes (9). The connecting member (8) is threadedly connected to the inner surface of the reserved holes (10). The length of the connecting member (8) is greater than the sum of the lengths of the through holes (9) and the reserved holes (10).

6. A combined circuit board structure according to claim 1, characterized in that, An elastic soft pad (14) is fixedly installed on the inner surface of the installation frame (1). The connection frame (15) is fixedly connected to the inner side edge of the installation frame (1). A connection groove (12) is formed at the center of the connection frame (15). The outer surface of the spring rod (11) is fixedly connected to the inside of the connection groove (12). The pressing piece (13) is fixedly connected to the end of the spring rod (11).

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