Sectional type universal circuit board

Abstract

The utility model belongs to the technical field of electronic manufacturing and PCB (printed circuit board) design, and relates to a sectional type universal circuit board, which comprises a circuit board main body, mounting grooves are arranged on two sides outside the circuit board main body, a sinking groove is arranged on one side of the circuit board main body close to the mounting grooves, connecting assemblies are arranged in the mounting grooves, and the connecting assemblies are connected with the circuit board main body. According to the utility model, the plurality of groups of circuit board main bodies are spliced through the cooperative use of the connecting assemblies and the fixing assemblies, when splicing is not needed, the connector main body is taken down, the surface of the circuit board main body does not have protrusions, and the circuit board main bodies are not prone to deformation. Therefore, the phenomenon that the surface of the circuit board main body interferes with other parts due to the protrusions is reduced, meanwhile, the situation that the protruding parts are prone to becoming stress concentration points in vibration or collision, and consequently welding spots crack is reduced, and the flexibility and practicability of the device are further improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to electronic manufacturing and PCB design technical field relates to a sectional general circuit board. BACKGROUND

[0002] Circuit board is also called printed circuit board, it is the support body of resistance element, it connects resistance, electric capacity, chip and so on element according to design through copper conductor and pad, forms complete circuit, has extensive application in consumer electronics, industrial equipment, frontier technology and so on field, the future trend of circuit board is developing towards smaller and faster.

[0003] Such as patent (CN221995695U) discloses a sectional segmented gold finger circuit board, wherein it is recorded " including more than one sectional segmented gold finger circuit board, it is characterized in that: still including two mutually spliced finished circuit boards, the left side of the finished circuit board is provided with more than one insertion strip, the right side of the finished circuit board is provided with the insertion groove matched with the insertion strip, more than one sectional gold finger circuit board mounting area and one anti-electric gold ink layer for welding gold finger area are provided on each finished circuit board, the finished circuit board includes a bottom frame, the sectional finished circuit board is magnetically attracted in the bottom frame, a sectional gold finger circuit board mounting area is provided on each sectional finished circuit board. This structure is convenient to install, realizes sectional installation.

[0004] When using the above-mentioned technology, it is found that the existing technology has the following technical problems: when using the above-mentioned device, when installing the circuit board, the design of the insertion strip completely protruding from the circuit board is prone to interference with other components, resulting in insufficient use space of other components, affecting the compactness of the structure, when the circuit board is working, the protruding insertion strip is prone to becoming a stress concentration point in vibration or collision, causing the solder joint to crack, thereby reducing the flexibility and practicality of the circuit board. UTILITY MODEL CONTENTS

[0005] The utility model solves the technical problems that when using the above-mentioned device, when installing the circuit board, the design of the insertion strip completely protruding from the circuit board is prone to interference with other components, resulting in insufficient use space of other components, affecting the compactness of the structure, when the circuit board is working, the protruding insertion strip is prone to becoming a stress concentration point in vibration or collision, causing the solder joint to crack, thereby reducing the flexibility and practicality of the circuit board.

[0006] The sectional general circuit board disclosed by the utility model comprises a circuit board main body, installation grooves are formed on the two sides of the circuit board main body, a sink groove is formed on the side of the circuit board main body close to the installation groove, a connecting assembly is installed in the installation groove, and a fixing assembly is arranged on the outer side of the circuit board main body.

[0007] The connecting assembly comprises a connector body, a slot is arranged outside the connector body, and heat dissipation pins are fixed to both sides of the top of the connector body.

[0008] The fixing assembly comprises a half-thread hole, the half-thread hole is arranged outside both sides of the circuit board body, a limiting groove is formed outside the half-thread hole, a fixing ring is arranged inside the limiting groove, and a screw is screwed into the half-thread hole.

[0009] One end of the circuit board body is provided with an air inlet, and an air duct is arranged inside the circuit board body close to the air inlet.

[0010] The circuit board body is provided with fins at the bottom.

[0011] A welding corner is formed at one end of the limiting groove.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: through the cooperation of the connecting assembly and the fixing assembly, a plurality of circuit board bodies are spliced, when splicing is not needed, the connector body is removed, no protrusion appears on the surface of the circuit board body, the interference phenomenon of other parts caused by the protrusion on the surface of the circuit board body is reduced, the part that is prone to stress concentration and causes the welding point to crack in vibration or collision is reduced, and the flexibility and practicability of the device are further improved.

[0013] Through the use of the fins and the welding corner, the device is cooled by the fins during use, the service life of the device is increased, and the use of the welding corner makes the connection of the two circuit board bodies more stable. DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0015] Figure 1 It is a structural schematic view of the circuit board body of the utility model.

[0016] Figure 2 It is a structural schematic view of the connector body of the utility model.

[0017] Figure 3 It is a schematic view of the fin of the utility model.

[0018] Figure 4 It is a structural schematic view of the air duct of the utility model.

[0019] Figure 5 is Figure 3 an enlarged view of A in

[0020] In the figure: 1, the main body of the circuit board; 11, the mounting groove; 12, the sink groove; 2, the connector main body; 21, the slot; 22, the heat dissipation needle; 3, the half thread hole; 31, the limiting groove; 32, the fixing ring; 33, the screw; 4, the air inlet; 41, the air duct; 5, the fin; 6, the soldering angle. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.

[0022] In order to make the person in the art better understand the utility model scheme, the technical scheme in the utility model example will be described clearly and completely below in combination with the drawings.

[0023] It should be noted that the examples in the utility model and the features and technical schemes in the examples can be combined with each other without conflict.

[0024] It should be noted that: similar signs and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0025] Example 1: as shown in Figure 1 - Figure 5 A sectional general circuit board, including the main body of the circuit board 1, the mounting groove 11 is opened on both sides of the main body of the circuit board 1, the sink groove 12 is opened on one side of the main body of the circuit board 1 close to the mounting groove 11, the connecting assembly is installed in the mounting groove 11, the fixing assembly is arranged on the outer side of the main body of the circuit board 1, the connecting assembly includes the connector main body 2, the slot 21 is installed on the outer side of the connector main body 2, the gold plating layer of 1 micron thick is plated on the surface of the slot 21, then the non-oxidation is carried out for more than 200 hours through the salt spray test, further increasing the stability and service life of the slot 21, the heat dissipation needle 22 is fixedly connected on both sides of the top of the connector main body 2, the connector main body 2 is used to connect two groups of main bodies of the circuit board 1 in the process of use, which will cause the resistance to increase, so the temperature rises faster than other areas, so the heat dissipation needle 22 is used to further strengthen the heat dissipation effect of the connector main body 2, the fixing assembly includes the half thread hole 3, the half thread hole 3 is located on both sides of the main body of the circuit board 1, the limiting groove 31 is opened on the outer side of the half thread hole 3, the fixing ring 32 is installed in the limiting groove 31, and the screw 33 is threadedly connected in the half thread hole 3.

[0026] When the circuit board body 1 needs to be spliced and expanded, the connector body 2 is inserted into the mounting slot 11 on the outer side of the circuit board body 1, and the connector body 2 is inserted into the half of the sink slot 12, and then the circuit board body 1 to be spliced is connected to the connector body 2 in the same way, and the two groups of circuit board bodies 1 are spliced and expanded, at this time, the two groups of half-thread holes 3 on the outer side of the circuit board body 1 are close to each other to form a complete threaded hole, and then the fixing ring 32 is sleeved on the outside of the half-thread hole 3. At this time, the screw 33 is connected to the half-thread hole 3 by rotating, and when it is rotated to the bottom, the screw 33 extrudes the fixing ring 32, so that the two groups of circuit board bodies 1 are connected more tightly and firmly, realizing the splicing and expansion of the circuit board body 1. Through the cooperation of the connector body 2 and the insertion slot 21, multiple circuit board bodies 1 are spliced, when not spliced, the connector body 2 is removed, the surface of the circuit board body 1 will not appear protruding, which reduces the interference of the protrusion on the surface of the circuit board body 1 with other parts, and reduces the possibility of the protruding part becoming a stress concentration point in vibration or collision, causing the welding point to crack, further increasing the flexibility and practicality of the device.

[0027] As shown in Figure 1 , Figure 3 Figure 5 One end of the outer side of the circuit board body 1 is provided with an air inlet 4, the inner side of the circuit board body 1 is provided with an air duct 41 close to the air inlet 4, the air duct 41 is communicated with the sink slot 12, the bottom of the circuit board body 1 is provided with a fin 5, and one end of the inside of the limiting groove 31 is provided with a soldering angle 6. When the fixing ring 32 is installed in the limiting groove 31, the fixing ring 32 is fixed by using the tin soldering process in cooperation with the soldering angle 6, which increases the stability of the connection of the circuit board body 1.

[0028] When there is air flow through the circuit board body 1, the fin 5 takes away the temperature generated by the circuit board body 1 during work, realizing the cooling and heat dissipation of the circuit board body 1, and at the same time, the air flow is directly input to the heat dissipation needle 22 on the outer side of the connector body 2 through the air inlet 4 and the air duct 41, taking away the heat generated by the connector body 2, and enhancing the heat dissipation effect of the connector body 2 of the device.

[0029] ​The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific implementation. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. A segmented universal circuit board, characterized by: The utility model relates to a circuit board, including circuit board body (1), the both sides of circuit board body (1) outside are seted up with installation groove (11), the one side of circuit board body (1) close to installation groove (11) is seted up with sunken groove (12), installation groove (11) inside is installed with connecting assembly, and the outside of circuit board body (1) is provided with fixed assembly.

2. The sectional universal circuit board according to claim 1, wherein: The connecting assembly includes a connector body (2), the connector body (2) is installed with a slot (21) outside, and the both sides of the connector body (2) top are fixedly connected with heat dissipation needle (22).

3. The sectional universal circuit board according to claim 1, wherein: The fixed assembly includes a half screw hole (3), the both sides of the circuit board body (1) outside are seted up with half screw hole (3), the outside of half screw hole (3) is seted up with limit slot (31), the limit slot (31) inside is installed with fixed ring (32), and the half screw hole (3) inside is connected with screw (33) in screw thread.

4. The sectional universal circuit board according to claim 1, wherein: The one end of the circuit board body (1) outside is provided with an air inlet (4), the air duct (41) is arranged in the circuit board body (1) inside close to the air inlet (4), and the air duct (41) is communicated with the sunken groove (12).

5. The sectional universal circuit board according to claim 1, wherein: The bottom of the circuit board body (1) is installed with a fin (5).

6. The sectional universal circuit board according to claim 3, wherein: The one end of the limit slot (31) inside is seted up with a welding angle (6).

Images