Waterproof and pressure-resistant PCBA circuit board

Abstract

The utility model discloses a waterproof pressure-resistant PCBA circuit board, which relates to the technical field of circuit boards, and comprises a circuit board body, a sealing groove is arranged at the upper part of the circuit board body, a fixing assembly is arranged on the circuit board body, a protective shell is arranged in the sealing groove, at least one auxiliary part is arranged in the protective shell, and the auxiliary part is arranged on the circuit board body. The lower portion of the auxiliary part is fixedly connected with the circuit board body, the auxiliary part makes contact with the inner side face of the protective shell, and the fixing assembly can exert downward pressure on the protective shell. By arranging the auxiliary part, supporting force can be provided for the protective shell, and therefore it is guaranteed that the strength of the protective shell is good; and the arranged fixing assembly can fix the protective shell without a tool, so that the operation is simple and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit boards, in particular to a waterproof and pressure-resistant PCBA circuit board. Background Art

[0002] PCBA circuit board refers to an electronic component formed by assembling electronic components onto a printed circuit board (PCB) and connecting and packaging them.

[0003] In the existing technology, the circuit board relies on a single shell for waterproofing and pressure resistance. However, for a large-area circuit board, the strength of the shell will be weakened due to the increase in the span, and the shell is fixed by screws, and the operation requires tools to operate, which is more troublesome to use. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, one of the purposes of the utility model is to provide a waterproof and pressure-resistant PCBA circuit board, which can provide support for the protective shell through the auxiliary parts provided, thereby ensuring the good strength of the protective shell; the fixed components provided can fix the protective shell without the aid of tools, and the operation is simple and convenient.

[0005] One of the purposes of the utility model is achieved by the following technical solution: a waterproof and pressure-resistant PCBA circuit board, comprising a circuit board body, a sealing groove is arranged on the upper part of the circuit board body, a fixing assembly is arranged on the circuit board body, a protective shell is arranged inside the sealing groove, at least one auxiliary part is arranged inside the protective shell, the lower part of the auxiliary part is fixedly connected to the circuit board body, the auxiliary part and the inner side of the protective shell are in contact with each other, the fixing assembly can apply downward pressure to the protective shell, the fixing assembly comprises a support rod fixedly mounted on the circuit board body, a support sheet is fixedly connected to the upper part of the support rod, a pressure plate is slidably connected on the support rod and located above the support sheet, a spring is sleeved on the support rod and located on the pressure plate, a protective cover is fixedly connected to the upper part of the support rod, and a control part is fixedly connected to the pressure plate. The auxiliary part can provide support force for the protective shell, thereby ensuring the good strength of the protective shell; the fixing assembly can fix the protective shell without the help of tools, and the operation is simple and convenient.

[0006] According to the waterproof and pressure-resistant PCBA circuit board, an arc portion is provided on the control component.

[0007] According to the waterproof and pressure-resistant PCBA circuit board, the longitudinal section of the control component is L-shaped.

[0008] According to the waterproof and pressure-resistant PCBA circuit board, the corners of the auxiliary component are fixedly connected with reinforcing diagonal rods, and the reinforcing diagonal rods are arranged axially symmetrically.

[0009] According to the waterproof and pressure-resistant PCBA circuit board, the auxiliary component is in an inverted U shape.

[0010] According to the waterproof and pressure-resistant PCBA circuit board, the protective shell and the sealing groove are adapted to each other.

[0011] According to the waterproof and pressure-resistant PCBA circuit board, the number of the fixing components is four and they are axially symmetrically arranged.

[0012] According to the waterproof and pressure-resistant PCBA circuit board, a moving space is reserved between the protective cover and the pressing plate.

[0013] Beneficial Effects

[0014] Compared with the prior art, the utility model can provide support force for the protective shell by setting auxiliary parts, thereby ensuring the good strength of the protective shell; the set fixing components can fix the protective shell without the aid of tools, and the operation is simple and convenient.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0017] Figure 1 This is a schematic diagram of the structure of a waterproof and pressure-resistant PCBA circuit board of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of a waterproof and pressure-resistant PCBA circuit board from a bottom perspective of the utility model;

[0019] Figure 3 This is a structural schematic diagram of a waterproof and pressure-resistant PCBA circuit board fixing component of the utility model;

[0020] Figure 4 The utility model is a structural schematic diagram of a reinforcing diagonal rod of a waterproof and pressure-resistant PCBA circuit board.

[0021] Legend:

[0022] 1. Circuit board body; 2. Fixing assembly; 3. Auxiliary parts; 4. Protective shell; 101. Sealing groove; 201. Support rod; 202. Support sheet; 203. Spring; 204. Protective cover; 205. Arc part; 206. Control part; 207. Pressure plate; 301. Strengthening diagonal rod. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0024] Reference Figure 1-4The utility model embodiment is a waterproof and pressure-resistant PCBA circuit board, which includes a circuit board body 1, a sealing groove 101 is provided on the upper part of the circuit board body 1, a fixing component 2 is provided on the circuit board body 1, the number of the fixing components 2 is four, and they are axially symmetrically arranged, a protective shell 4 is provided in the sealing groove 101, the protective shell 4 and the sealing groove 101 are adapted to each other, at least one auxiliary component 3 is provided inside the protective shell 4, a reinforcing diagonal rod 301 is fixedly connected at the corner of the auxiliary component 3, the reinforcing diagonal rod 301 is axially symmetrically arranged, the shape of the auxiliary component 3 is an inverted U-shape, the lower part of the auxiliary component 3 is fixedly connected to the circuit board body 1, the auxiliary component 3 and the inner side of the protective shell 4 are in contact with each other, the fixing component 2 can apply downward pressure to the protective shell 4, the fixing component 2 includes a support rod 201 fixedly installed on the circuit board body 1, the upper part of the support rod 201 is fixedly connected to the support sheet 202, and the support rod 201 is located above the support sheet 202 A pressure plate 207 is slidably connected, and a spring 203 is sleeved on the support rod 201 and on the pressure plate 207. A protective cover 204 is fixedly connected to the upper part of the support rod 201, and a moving space is reserved between the protective cover 204 and the pressure plate 207. A control member 206 is fixedly connected to the pressure plate 207, and a circular arc portion 205 is arranged on the control member 206. The longitudinal section of the control member 206 is L-shaped. When in use, the auxiliary member 3 can provide an upward supporting force for the protective shell 4 to ensure that the strength of the protective shell 4 is good and the protective effect is stable, which is suitable for circuit boards of different sizes. When the protective shell 4 needs to be fixed, the pressure plate 207 is driven to move upward by the control member 206, and the pressure plate 207 squeezes the spring 203, so that the pressure plate 207 can be controlled to move from the outside of the protective shell 4 to just above the protective shell 4, thereby providing downward pressure for the protective shell 4, wherein the circular arc portion 205 is convenient for inserting fingers and operating the control member 206, which is easy to use. The auxiliary component 3 is provided to provide support for the protective shell 4, thereby ensuring that the strength of the protective shell 4 is good; the fixing component 2 is provided to fix the protective shell 4 without the aid of tools, and the operation is simple and convenient.

[0025] Working principle: When in use, the auxiliary part 3 can provide an upward supporting force for the protective shell 4, ensuring that the protective shell 4 has good strength and a stable protective effect, and is suitable for circuit boards of different sizes. When the protective shell 4 needs to be fixed, the pressure plate 207 is driven to move upward by the control part 206, and the pressure plate 207 squeezes the spring 203, thereby controlling the pressure plate 207 to move from the outside of the protective shell 4 to directly above the protective shell 4, thereby providing downward pressure for the protective shell 4. The arc portion 205 is convenient for placing fingers and operating the control part 206, which is easy to use.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A waterproof and pressure-resistant PCBA circuit board, comprising a circuit board body (1), characterized in that: A sealing groove (101) is arranged at the upper part of the circuit board body (1), a fixing component (2) is arranged on the circuit board body (1), a protective shell (4) is arranged inside the sealing groove (101), at least one auxiliary component (3) is arranged inside the protective shell (4), the lower part of the auxiliary component (3) is fixedly connected to the circuit board body (1), the auxiliary component (3) and the inner side surface of the protective shell (4) are in contact with each other, the fixing component (2) can apply downward pressure to the protective shell (4), and the fixing component (2) comprises a support rod (201) fixedly mounted on a circuit board body (1), the upper portion of the support rod (201) being fixedly connected to a support sheet (202), a pressure plate (207) being slidably connected to the support rod (201) and located above the support sheet (202), a spring (203) being sleeved on the support rod (201) and located on the pressure plate (207), a protective cover (204) being fixedly connected to the upper portion of the support rod (201), and a control component (206) being fixedly connected to the pressure plate (207).

2. A waterproof and pressure-resistant PCBA circuit board according to claim 1, characterized in that: The control member (206) is provided with an arc portion (205).

3. A waterproof and pressure-resistant PCBA circuit board according to claim 1, characterized in that: The control member (206) has an L-shaped longitudinal section.

4. The waterproof and pressure-resistant PCBA circuit board according to claim 1, characterized in that: A reinforcing diagonal rod (301) is fixedly connected to a corner of the auxiliary component (3), and the reinforcing diagonal rod (301) is arranged axially symmetrically.

5. The waterproof and pressure-resistant PCBA circuit board according to claim 1, characterized in that: The auxiliary component (3) is in an inverted U shape.

6. The waterproof and pressure-resistant PCBA circuit board according to claim 1, characterized in that: The protective housing (4) and the sealing groove (101) are adapted to each other.

7. The waterproof and pressure-resistant PCBA circuit board according to claim 1, characterized in that: The number of the fixing components (2) is four and they are arranged axially symmetrically.

8. The waterproof and pressure-resistant PCBA circuit board according to claim 1, characterized in that: A moving space is reserved between the protective cover (204) and the pressing plate (207).

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