A circuit board with positioning holes

Abstract

The utility model discloses a circuit board with a positioning hole, and relates to the technical field of circuit boards. The technical scheme is as follows: the circuit board body is provided with a convex block component on one side of the circuit board body, and two groove block components are provided on the other side of the circuit board body. The convex block component includes a convex block, and the convex block is fixedly connected to the circuit board body. The circuit board with the positioning hole has the following beneficial effects: when the convex head is inserted into the groove, when the trapezoidal block moves to the top of the limiting groove, the elongated spring pulls the trapezoidal block into the limiting groove through elastic force, thereby performing self-locking and limiting on the convex block and the groove block, which can facilitate the splicing of the two circuit boards and perform self-locking after the splicing to prevent the subsequent accidental separation. By pinching the top plate and pulling it upward, the trapezoidal block is moved out of the limiting groove, and the restriction of the convex head sliding in the groove is released, thereby facilitating the separation of the convex block and the groove block, and achieving the purpose of convenient disassembly.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit boards, in particular to a circuit board with positioning holes. Background Art

[0002] Printed circuit boards, also known as printed circuit boards, are providers of electrical connections for electronic components. The main advantage of using circuit boards is that they greatly reduce wiring and assembly errors, improve the level of automation and production labor rate. According to the number of layers of the circuit board, it can be divided into single-sided boards, double-sided boards, four-layer boards, six-layer boards and other multi-layer circuit boards.

[0003] For example, publication number: CN211909283U discloses a PCB circuit board with positioning holes, including a circuit board body and a panel, which are installed on both sides of the circuit board body, and the positioning holes are opened on the surface of the protrusion and the groove block to avoid interference with components caused by opening on the surface of the circuit board. When the two circuit boards are connected, the positioning holes will form a straight line to make them arranged neatly, and the natural resin applied on the inside of the positioning holes has the effect of insulating impedance, which avoids adverse effects on other parts of the circuit board during use, and improves the protection effect of the circuit board when the positioning holes are opened. Some circuit boards need to be spliced ​​for use due to their small size. This circuit board can splice two circuit boards through the protrusion and the groove block. When splicing, the strips can be inserted into the slide groove for fixing to prevent displacement and deformation. Whether disassembly or installation, it can be adjusted by pulling and sliding, so that the overall adjustability is improved.

[0004] In the above patent, two circuit boards are spliced ​​by means of protrusions and grooves, and can be fixed by inserting insert strips into the slide grooves during splicing. However, there is a lack of anti-falling devices when the protrusions and grooves of the two circuit boards are connected, and there is a situation where the two circuit boards are easily separated. Therefore, a circuit board with positioning holes is needed, which can not only facilitate the splicing of the two circuit boards, but also self-lock after splicing to prevent accidental separation later. Utility Model Content

[0005] To this end, the utility model provides a circuit board with positioning holes, which solves the problem that the two circuit boards are easily separated due to the lack of an anti-falling device when the protrusions and groove blocks of the two circuit boards are connected, through the cooperation of the protrusion assembly, the groove block assembly and the connection assembly.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a circuit board with a positioning hole, comprising a circuit board body, a protrusion assembly is provided on one side of the circuit board body, and two groove block assemblies are provided on the other side of the circuit board body, the protrusion assembly comprises a protrusion, the protrusion is fixedly connected to the circuit board body, protrusions are fixedly provided at both ends of the protrusion, and obstacle avoidance grooves and limit grooves are provided inside the two protrusions, the groove block assembly comprises a groove block, the groove block is fixedly connected to the circuit board body, a groove is provided inside the groove block, a top groove is provided at the top of the groove, a bottom groove is provided at the bottom of the groove, a connecting assembly is plugged into the groove, and the connecting assembly comprises a top plate, a trapezoidal block, a spring, a connecting sleeve, and a bottom plate.

[0007] Preferably, the protrusion extends into the groove and is slidably connected to the groove.

[0008] Preferably, the top plate is arranged inside the top groove and is slidably connected to the top groove.

[0009] Preferably, the top of the trapezoidal block passes through the top groove and is slidably connected to the top groove, and the bottom of the trapezoidal block extends into the limiting groove and is slidably connected to the limiting groove.

[0010] Preferably, the spring is arranged inside the connecting sleeve, the top of the spring is fixedly connected to the bottom of the trapezoidal block, and the bottom of the spring is fixedly connected to the top of the base plate.

[0011] Preferably, the top of the connecting sleeve is fixedly connected to the bottom of the trapezoidal block, and the connecting sleeve passes through the bottom groove and is slidably connected to the bottom groove.

[0012] Preferably, the bottom plate is fixed inside the bottom groove.

[0013] Preferably, the connecting sleeve is slidably connected to the obstacle avoiding groove, and the obstacle avoiding groove is communicated with the limiting groove.

[0014] Preferably, positioning holes are provided inside the protrusion block assembly and the two groove block assemblies.

[0015] The utility model embodiment has the following advantages:

[0016] 1. When the convex head is inserted into the groove, when the trapezoidal block moves to the top of the limit groove, the extended spring pulls the trapezoidal block into the limit groove through elastic force, thereby self-locking and limiting the convex block and the groove block, which can not only facilitate the splicing of the two circuit boards, but also self-lock after splicing to prevent accidental separation in the future;

[0017] 2. By pinching the top plate and pulling it upward, the trapezoidal block moves out of the limit groove, releasing the restriction on the sliding of the convex head inside the groove, making it easier to separate the convex block from the groove block, thereby facilitating disassembly. The cooperation between the convex head and the groove prevents the two circuit board bodies from being offset and deformed when being spliced. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0019] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0020] Figure 1 A three-dimensional diagram of the splicing state provided by the utility model;

[0021] Figure 2 The main stereogram provided by the utility model;

[0022] Figure 3 A three-dimensional diagram of the connection relationship between the protrusion block assembly and the groove block assembly provided by the utility model;

[0023] Figure 4 A three-dimensional diagram of the bump assembly provided by the utility model;

[0024] Figure 5 A partial cutaway stereoscopic view of a connection assembly provided by the utility model;

[0025] Figure 6 It is a sectional exploded stereoscopic diagram of the connection relationship between the protrusion block assembly and the groove block assembly provided by the utility model;

[0026] Figure 7 This is a bottom stereoscopic view of the groove block assembly provided by the utility model.

[0027] In the figure: 1 circuit board body, 2 convex block assembly, 21 convex block, 22 convex head, 23 obstacle avoidance groove, 24 limiting groove, 3 groove block assembly, 31 groove block, 32 groove, 33 top groove, 34 bottom groove, 4 positioning hole, 5 connection assembly, 51 top plate, 52 trapezoidal block, 53 spring, 54 connection sleeve, 55 bottom plate. DETAILED DESCRIPTION

[0028] The following is a specific embodiment of the present invention. People familiar with the technology can easily understand the other advantages and functions of the present invention from the contents disclosed in this specification. Obviously, the described embodiment is a part of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] Refer to the attached Figure 1 -Attached Figure 7 The utility model provides a circuit board with a positioning hole, comprising a circuit board body 1, a convex block assembly 2 is provided on one side of the circuit board body 1, and two groove block assemblies 3 are provided on the other side of the circuit board body 1, the convex block assembly 2 comprises a convex block 21, the convex block 21 is fixedly connected to the circuit board body 1, convex heads 22 are fixedly provided at both ends of the convex block 21, and obstacle avoidance grooves 23 and limiting grooves 24 are provided inside the two convex heads 22, and the groove block assembly 3 comprises a groove block 31, the groove block 31 is fixedly connected to the circuit board body 1, a groove 32 is provided inside the groove block 31, a top groove 33 is provided at the top of the groove 32, a bottom groove 34 is provided at the bottom of the groove 32, and a connecting assembly 5 is plugged into the groove 32, and the connecting assembly 5 comprises a top plate 51, a trapezoidal block 52, a spring 53, a connecting sleeve 54, and a bottom plate 55;

[0030] In this embodiment, in order to achieve the purpose of facilitating the splicing of the two circuit boards and self-locking after splicing, when the two circuit board bodies 1 are spliced, when the protruding head 22 is inserted into the groove 32, the protruding head 22 first contacts the inclined surface of the trapezoidal block 52, so that the trapezoidal block 52 is squeezed and slides upward along the top groove 33, thereby stretching the spring 53. As the protruding head 22 continues to extend into the groove 32, the connecting sleeve 54 enters the limiting groove 24 through the obstacle avoidance groove 23, so that the trapezoidal block 52 moves to the top of the limiting groove 24, so that the trapezoidal block 52 loses its squeezing, and the stretched spring 53 pulls the trapezoidal block 52 into the limiting groove 24 through the elastic force, thereby self-locking and limiting the protruding block 21 and the groove block 31, which can facilitate the splicing of the two circuit boards and self-lock after splicing to prevent the subsequent accidental separation.

[0031] In order to prevent the two connected circuit board bodies 1 from being skewed and deformed, the device adopts the following technical solution: the convex head 22 extends into the groove 32 and is slidably connected with the groove 32, and the convex head 22 cooperates with the groove 32 to prevent the two circuit board bodies 1 from being offset and deformed when being connected;

[0032] Among them, in order to achieve the purpose of preventing interference when the convex head 22 is inserted into the groove 32, the present device adopts the following technical solutions: the top plate 51 is arranged in the top groove 33 and is slidably connected to the top groove 33, the top of the trapezoidal block 52 passes through the top groove 33 and is slidably connected to the top groove 33, the bottom of the trapezoidal block 52 extends into the limiting groove 24 and is slidably connected to the limiting groove 24, the spring 53 is arranged in the connecting sleeve 54, the top of the spring 53 is fixedly connected to the bottom of the trapezoidal block 52, the bottom of the spring 53 is fixedly connected to the top of the bottom plate 55, the top of the connecting sleeve 54 is fixedly connected to the bottom of the trapezoidal block 52, the connecting sleeve 54 passes through the bottom groove 34 and is slidably connected to the bottom groove 34, and the bottom plate 55 is fixedly arranged in the bottom groove 34 The connecting sleeve 54 is slidably connected with the obstacle avoidance groove 23, and the obstacle avoidance groove 23 is communicated with the limiting groove 24. When the convex head 22 is inserted into the groove 32, the trapezoidal block 52 is pushed into the top groove 33 through the inclined surface of the trapezoidal block 52 to prevent the trapezoidal block 52 from blocking the convex head 22 from continuing to be inserted into the groove 32. The obstacle avoidance groove 23 prevents interference with the connecting sleeve 54. When the limiting groove 24 moves to the bottom of the trapezoidal block 52, the trapezoidal block 52 loses its extrusion, and the elongated spring 53 pulls the trapezoidal block 52 into the limiting groove 24 through elastic force. Through the right-angle surface of the trapezoidal block 52 and the back of one side wall of the limiting groove 24, the convex head 22 is self-locked, and then the connection state of the convex block 21 and the groove block 31 is self-locked;

[0033] Among them, in order to facilitate the connection between the circuit board body 1 and the electrical device, the present device is implemented by the following technical solution: positioning holes 4 are provided inside the protrusion block assembly 2 and the two groove block assemblies 3, and the positioning holes 4 facilitate the assembly of the circuit board body 1 or the spliced ​​circuit board body 1 with the electrical equipment.

[0034] The use process of the utility model is as follows: when the circuit board body 1 needs to be spliced ​​when using the utility model, the convex head 22 cooperates with the groove 32 to make the convex block 21 and the two groove blocks 31 spliced ​​together, and then the two circuit board bodies 1 are spliced. When the convex head 22 is inserted into the groove 32, the convex head 22 first contacts the inclined surface of the trapezoidal block 52, so that the trapezoidal block 52 is squeezed and slides upward along the top groove 33, thereby stretching the spring 53. As the convex head 22 continues to extend into the groove 32, the connecting sleeve 54 passes through the obstacle avoidance groove 23 and enters the limiting groove 24, so that the trapezoidal block 52 moves to the top of the limiting groove 24, so that the trapezoidal block 52 loses its extrusion, and the stretched spring 53 pulls the trapezoidal block 52 into the limiting groove 24 through elastic force, thereby self-locking and limiting the protrusion 21 and the groove block 31, which can facilitate the splicing of the two circuit boards and self-lock after splicing to prevent subsequent accidental separation. Similarly, when disassembling, pinch the top plate 51 and pull it upward, so that the trapezoidal block 52 moves out of the limiting groove 24, and the restriction on the sliding of the protrusion 22 in the groove 32 is released, so that it is convenient to separate the protrusion 21 and the groove block 31, so as to achieve the purpose of convenient disassembly.

[0035] The above are only preferred embodiments of the present invention. Any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the above technical solution. Therefore, any simple modification or equivalent replacement based on the technical solution of the present invention shall fall within the scope of protection claimed by the present invention.

Claims

1. A circuit board with positioning holes, comprising a circuit board body (1), characterized in that: A convex block assembly (2) is provided on one side of the circuit board body (1), and two groove block assemblies (3) are provided on the other side of the circuit board body (1). The convex block assembly (2) comprises a convex block (21), and the convex block (21) is fixedly connected to the circuit board body (1). Both ends of the convex block (21) are fixedly provided with convex heads (22), and both of the two convex heads (22) are provided with obstacle avoidance grooves (23) and limit grooves (24). The groove block assembly (3) comprises a groove block (31), and the groove block (31) is fixedly connected to the circuit board body (1). A groove (32) is provided inside the groove block (31), and a top groove (33) is provided at the top of the groove (32), and a bottom groove (34) is provided at the bottom of the groove (32). A connecting assembly (5) is inserted into the groove (32), and the connecting assembly (5) comprises a top plate (51), a trapezoidal block (52), a spring (53), a connecting sleeve (54), and a bottom plate (55).

2. A circuit board with positioning holes according to claim 1, characterized in that: The protrusion (22) extends into the interior of the groove (32) and is slidably connected to the groove (32).

3. The circuit board with positioning holes according to claim 1, characterized in that: The top plate (51) is arranged inside the top groove (33) and is slidably connected to the top groove (33).

4. The circuit board with positioning holes according to claim 1, characterized in that: The top of the trapezoidal block (52) passes through the top groove (33) and is slidably connected to the top groove (33), and the bottom of the trapezoidal block (52) extends into the interior of the limiting groove (24) and is slidably connected to the limiting groove (24).

5. The circuit board with positioning holes according to claim 1, characterized in that: The spring (53) is arranged inside the connecting sleeve (54), the top of the spring (53) is fixedly connected to the bottom of the trapezoidal block (52), and the bottom of the spring (53) is fixedly connected to the top of the bottom plate (55).

6. The circuit board with positioning holes according to claim 1, characterized in that: The top of the connecting sleeve (54) is fixedly connected to the bottom of the trapezoidal block (52); the connecting sleeve (54) passes through the bottom groove (34) and is slidably connected to the bottom groove (34).

7. The circuit board with positioning holes according to claim 1, characterized in that: The bottom plate (55) is fixedly arranged inside the bottom groove (34).

8. The circuit board with positioning holes according to claim 1, characterized in that: The connecting sleeve (54) is slidably connected to the obstacle avoiding groove (23), and the obstacle avoiding groove (23) is communicated with the limiting groove (24).

9. The circuit board with positioning holes according to claim 1, characterized in that: Positioning holes (4) are provided inside the convex block assembly (2) and the two concave block assemblies (3).

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