A plug-in component for fixing a circuit board

Abstract

The present invention provides a plug-in component for fixing a circuit board, comprising a mounting plate 1 and a mounting plate 2 arranged on the inner walls of both sides of a controller, a plurality of fixing plates arranged between the mounting plate 1 and the mounting plate 2, and gaps for installing the circuit board are reserved between the mounting plate 1 and the adjacent fixing plate, between the mounting plate 2 and the adjacent fixing plate, or between two adjacent fixing plates; a plurality of elastic clamping members are arranged on the inner wall of the mounting plate 1, the inner wall of the mounting plate 2, and the two side walls of the fixing plate, and the elastic clamping members are used to clamp and fix the circuit board. The plug-in component for fixing a circuit board described in the present invention greatly improves the convenience of assembling the circuit board, and relies on the inherent elastic force of the clamping tongue, so that the circuit board is reliably fixed, plugging and unplugging are convenient, the maintenance performance is good, and the product is beautiful and neat.

Description

Technical Field

[0001] The invention belongs to the technical field of plug-in component manufacturing, and in particular relates to a plug-in component for fixing a circuit board. Background Art

[0002] With the development of diesel engine digital technology, the control and monitoring functions are increasing, the controller structure is becoming more and more complex, and the compactness requirement is becoming higher and higher. The controller needs to arrange more hardware circuits in a limited space. However, the controllers in the prior art mostly adopt a single-board structure or a double-board structure, the circuit board installation structure is unstable, and when multiple circuit boards are installed, the operation is inconvenient, and the installed circuit boards make the internal space utilization rate of the controller low; therefore, this patent application designs a plug-in for fixing the circuit board. Summary of the invention

[0003] In view of this, the present invention aims to provide a plug-in component for fixing a circuit board to solve the problems of unstable circuit board installation structure, inconvenient installation operation and low utilization rate of the internal space of the controller.

[0004] To achieve the above object, the technical solution of the present invention is achieved as follows:

[0005] A plug-in component for fixing a circuit board, comprising a first mounting plate and a second mounting plate arranged on inner walls of both sides of a controller, a plurality of fixing plates arranged between the first mounting plate and the second mounting plate, and gaps for installing the circuit board are reserved between the first mounting plate and an adjacent fixing plate, between the second mounting plate and an adjacent fixing plate, or between two adjacent fixing plates;

[0006] A plurality of elastic pressing members are arranged on the inner wall of the first mounting plate, the inner wall of the second mounting plate and the two side walls of the fixing plate, and the elastic pressing members are used for pressing and fixing the circuit board.

[0007] Furthermore, a limiting groove for limiting the fixing plate is provided in the controller, and the fixing plate is correspondingly inserted into the limiting groove. A fixing part extends outwardly on the front and rear inner walls of the controller, and an inner hole is provided on the fixing part;

[0008] The fixing plate is provided with a plurality of fixing holes, the elastic clamping piece is arranged on the fixing plate by screws, the two ends of the fixing plate have protrusions extending outward, the protrusions are provided with assembly holes corresponding to the inner holes, and the fixing plate is fixed on the protrusions by screws.

[0009] Furthermore, the fixing plate is provided with threading holes for the connecting wires on the circuit board to pass through.

[0010] Furthermore, mounting plates 1 and 2 are provided with mounting holes, mounting plates 1 and 2 are fixed in the controller by screws, mounting plates 1 and 2 are provided with a plurality of fixing holes 2, and elastic clamping parts are set on mounting plates 1 and 2 by screws.

[0011] Furthermore, the elastic pressing member includes a base plate, a plurality of through holes are provided on the base plate, the base plate is fixedly connected to the mounting plate 1, the mounting plate 2 or the fixing plate by screws, one side of the base plate is folded outward to form a folded edge, a convex fillet is provided at the connection between the folded edge and the base plate, and the folded edge and the base plate are in a vertical structure;

[0012] A plurality of pressing plates are folded outwardly on the other side of the base plate. The pressing plates are arranged at equal intervals along the setting direction of the base plate, and a gap is left between the pressing plates and the folded edges.

[0013] Furthermore, the clamping plate includes a bending portion and a clamping tongue fixedly connected to the end of the bending portion. The bending portion is formed by folding upward along the substrate, and the clamping tongue relies on inherent elastic force to clamp the circuit board placed in the gap.

[0014] Furthermore, a plurality of breaking grooves are arranged on the folded edge along the direction in which the substrate is arranged, and the breaking grooves are distributed periodically.

[0015] Compared with the prior art, the circuit board fixing plug and pull member described in the present invention has the following beneficial effects:

[0016] (1) The plug-in component for fixing a circuit board of the present invention greatly improves the convenience of assembling the circuit board. By relying on the inherent elastic force of the pressing tongue, the circuit board is reliably fixed, plug-in and replacement are convenient, the maintenance performance is good, and the product is beautiful and neat.

[0017] (2) In the circuit board fixing plug-in component of the present invention, the elastic pressing component is configured as a strip-shaped profile, which can be cut along the breaking groove according to the size of the circuit board, and is suitable for mass production. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 This is a schematic diagram of the first angle structure of the plug-in component installed in the controller according to an embodiment of the present invention;

[0020] Figure 2 This is a schematic diagram of the second angle structure of the plug-in component according to an embodiment of the present invention installed in the controller;

[0021] Figure 3 This is a schematic diagram of the overall structure of the plug-in component according to an embodiment of the present invention;

[0022] Figure 4 It is a schematic diagram of the detailed structure of the plug-in component according to an embodiment of the present invention;

[0023] Figure 5It is a schematic diagram of the structure of the elastic pressing member according to an embodiment of the present invention.

[0024] Description of reference numerals:

[0025] 1. Controller; 11. Raised portion; 2. Mounting plate 1; 3. Mounting plate 2; 4. Fixing plate; 41. Raised portion; 42. Threading hole; 5. Circuit board; 6. Elastic clamping member; 61. Base plate; 62. Folded edge; 63. Clamping plate; 631. Bending portion; 632. Clamping tongue; 633. Breaking groove. DETAILED DESCRIPTION

[0026] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0027] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and the like are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", and the like may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0028] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0029] The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0030] See also Figures 1 to 4As shown, a plug-in component for fixing a circuit board includes a mounting plate 1 2 and a mounting plate 2 3 arranged on the inner walls of both sides of a controller 1, a plurality of fixing plates 4 are arranged between the mounting plate 1 2 and the mounting plate 2 3, and a gap for installing a circuit board 5 is reserved between the mounting plate 1 2 and the adjacent fixing plate 3, between the mounting plate 2 3 and the adjacent fixing plate 4, or between two adjacent fixing plates 4;

[0031] A plurality of elastic pressing members 6 are provided on the inner wall of the mounting plate 1 2 , the inner wall of the mounting plate 2 3 and the two side walls of the fixing plate 4 , and the elastic pressing members 6 are used for pressing and fixing the circuit board 5 .

[0032] The controller 1 is provided with a limiting groove for limiting the fixing plate 4. The bottom end of the fixing plate 4 extends downward with a convex edge, which is correspondingly inserted into the limiting groove. The limiting groove is not shown in the drawings. The front and rear inner walls of the controller 1 extend outward with a fixing portion 11, and the fixing portion 11 is provided with an inner hole.

[0033] This patent application takes the setting of a fixed plate 4 as an example. The operator can set the number of fixed plates 4 according to actual on-site needs. The fixed plate 4 is provided with a plurality of fixing holes. The elastic clamping member 6 is set on the fixed plate 4 by screws. The two end portions of the fixed plate 4 have protrusions 41 extending outward. The protrusions 41 are provided with assembly holes corresponding to the inner holes. The fixed plate 4 is fixed to the protrusions 41 by screws.

[0034] The fixing plate 4 is provided with a threading hole 42 for the connecting wires on the circuit board 5 to pass through. The connecting wires on the circuit board 5 pass through the threading hole 42 to connect with other circuit boards 5 or device interfaces of other controllers 1; the provision of the threading hole 42 effectively reduces.

[0035] Both mounting plate 1 2 and mounting plate 2 3 are provided with mounting holes, and mounting plate 1 2 and mounting plate 2 3 are fixed in controller 1 by screws. Both mounting plate 1 2 and mounting plate 2 3 are provided with a plurality of fixing holes 2, and elastic clamping members 6 are set on mounting plate 1 2 and mounting plate 2 3 by screws.

[0036] It should be noted here that the setting direction (horizontal or vertical) of the elastic clamping member 6 can be adjusted according to the setting position of the circuit board 5, and the setting position and setting direction of the elastic clamping member 6 can be adjusted according to the actual site conditions.

[0037] like Figure 5As shown, the elastic pressing member 6 is integrally formed by molding, and the elastic pressing member 6 includes a base plate 61, which is a strip-shaped profile, and is provided with a plurality of through holes. The base plate 61 is fixedly connected to the mounting plate 1 2, the mounting plate 2 3 or the fixing plate 4 by screws, and one side of the base plate 61 is folded outward to have a folded edge 62, and a convex fillet is provided at the connection between the folded edge 62 and the base plate 61, and the folded edge 62 and the base plate 61 are in a vertical structure; by providing a convex fillet at the connection between the folded edge 62 and the base plate 61, firstly, when the circuit board 5 is inserted, the circuit board 5 has a root cleaning effect; secondly, it has an anti-bending strengthening effect;

[0038] A plurality of pressing plates 63 are folded outwardly on the other side of the base plate 61 . The pressing plates 63 are arranged at equal intervals along the direction in which the base plate 61 is arranged, and a gap is left between the pressing plates 63 and the folded edge 62 .

[0039] The clamping plate 63 includes a bending portion 631 and a clamping tongue 632 fixedly connected to the end of the bending portion 631. The bending portion 631 is formed by folding upward along the substrate 61. The clamping tongue 632 relies on its inherent elastic force to clamp the circuit board 5 placed in the gap. The circuit board 5 is inserted along the gap between the folded edge 62 and the clamping tongue 632, and the circuit board 5 is fixed by the inherent elastic force of the clamping tongue 632.

[0040] A plurality of breaking grooves 64 are provided on the folded edge 62 along the direction in which the substrate 61 is set. The breaking grooves 64 are distributed periodically. When the bending strength of the breaking grooves 64 is sufficient locally (around the through hole), they play a role in fitting adaptability. The elastic clamping member 6 can be cut along the breaking grooves 64 according to the size of the circuit board.

[0041] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A plug-in component for fixing a circuit board, characterized in that: It comprises a mounting plate 1 (2) and a mounting plate 2 (3) arranged on the inner walls of both sides of a controller (1), a plurality of fixing plates (3) are arranged between the mounting plate 1 (2) and the mounting plate 2 (3), and a gap for installing a circuit board (5) is reserved between the mounting plate 1 (2) and an adjacent fixing plate (3), between the mounting plate 2 (3) and an adjacent fixing plate (3), or between two adjacent fixing plates (4); A plurality of elastic pressing members (6) are provided on the inner wall of the first mounting plate (2), the inner wall of the second mounting plate (3) and the two side walls of the fixing plate (4), and the elastic pressing members (6) are used to press and fix the circuit board (5); The elastic pressing member (6) comprises a base plate (61), a plurality of through holes are provided on the base plate (61), the base plate (61) is fixedly connected to the mounting plate 1 (2), the mounting plate 2 (3) or the fixing plate (4) by means of screws, one side of the base plate (61) is folded outward to form a folded edge (62), a convex rounded corner is provided at the connection between the folded edge (62) and the base plate (61), and the folded edge (62) and the base plate (61) are in a vertical structure; A plurality of pressing plates (63) are folded outwardly on the other side of the base plate (61), and the plurality of pressing plates (63) are arranged at equal intervals along the setting direction of the base plate (61), and a gap is left between the pressing plates (63) and the folded edge (62); The pressing plate (63) comprises a bent portion (631) and a pressing tongue (632) fixedly connected to the end of the bent portion (631); the bent portion (631) is formed by folding upward along the substrate (61); and the pressing tongue (632) presses the circuit board (5) placed in the gap by means of inherent elastic force.

2. A circuit board fixing plug and pull piece according to claim 1, characterized in that: The controller (1) is provided with a limiting groove for limiting the fixing plate (4), and the fixing plate (4) is correspondingly inserted into the limiting groove. A fixing portion (11) extends outwardly from the front and rear inner walls of the controller (1), and an inner hole is provided on the fixing portion (11); The fixing plate (4) is provided with a plurality of fixing holes. The elastic pressing member (6) is arranged on the fixing plate (4) by means of screws. Both ends of the fixing plate (4) are provided with protrusions (41) extending outward. The protrusions (41) are provided with assembly holes corresponding to the inner holes. The fixing plate (4) is fixed to the protrusions (41) by means of screws.

3. The plug-in component for fixing a circuit board according to claim 2, characterized in that: The fixing plate (4) is provided with a threading hole (42) for the connecting wire on the circuit board (5) to pass through.

4. The plug-in component for fixing a circuit board according to claim 1, characterized in that: The first mounting plate (2) and the second mounting plate (3) are both provided with mounting holes. The first mounting plate (2) and the second mounting plate (3) are fixedly arranged in the controller (1) by means of screws. The first mounting plate (2) and the second mounting plate (3) are both provided with a plurality of fixing holes 2. The elastic pressing member (6) is arranged on the first mounting plate (2) and the second mounting plate (3) by means of screws.

5. The plug-in component for fixing a circuit board according to claim 1, characterized in that: A plurality of breaking grooves (64) are arranged on the folded edge (62) along the direction in which the base plate (61) is arranged, and the breaking grooves (64) are distributed periodically.

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