Limiting structure for circuit board installation

Abstract

The utility model discloses a limiting structure for circuit board installation, which comprises an installation bottom plate, a circuit board is placed on the upper surface of the installation bottom plate, a hinged plate seat is fixedly connected to the upper surface of the installation bottom plate, and an extrusion hinged plate block is hinged to the inner side surface of the hinged plate seat. Locking screws are connected to the inner side surfaces of the outer ends of the extrusion hinge plate blocks through threads, the lower surfaces of the locking screws are extruded on the upper surface of the mounting bottom plate, and the inner end surfaces of the extrusion hinge plate blocks are extruded and fixed to the upper surface of the circuit board; the hinge plate seats and the extrusion hinge plate blocks are distributed on the upper surfaces of the left and right sides of the mounting bottom plate, the extrusion hinge plate blocks adopting a hinge structure can be extruded on the surface of the mounting bottom plate through locking screws, the extrusion hinge plate blocks can be driven to turn downwards, the circuit board can be turned, buckled, extruded, fixed and locked, and locking is firm. During dismounting, the hinge plate can be overturned and extruded by loosening the locking screw, the dismounting is convenient, the locking screw does not need to be dismounted, and the dismounting is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the limiting structure field of circuit board installation more specifically, relate to a kind of limiting structure of circuit board installation. BACKGROUND

[0002] Circuit board has multiple names, including ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, circuit board, PCB board, aluminum substrate, high-frequency board, thick copper plate, impedance board, ultra-thin circuit board, flexible circuit board (FPC) and the like. The main function of the circuit board is to form electrical connections between electronic components by patterning conductive copper foil on an insulating material, providing mechanical support and insulation function. According to the number of conductive layers, the circuit board can be divided into single-sided board, double-sided board and multi-layer board. Single-sided board has only one conductive layer, suitable for low complexity circuits; double-sided board has conductive layers on both sides, suitable for more complex circuit design; multi-layer board has four or more conductive layers, suitable for highly integrated large circuits; the name of the circuit board is: ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, circuit board, PCB board, aluminum substrate, high-frequency board, thick copper plate, impedance board, PCB, ultra-thin circuit board, ultra-thin circuit board, etc. When using the circuit board, it needs to be installed on the equipment by using the mounting structure, and the circuit board is usually directly installed on the mounting plate by screws;

[0003] In the prior art, Chinese patent authorization announcement number: CN209861382U provides a circuit board mounting structure, which changes the fixing structure to be fixed by clamping with a clamping plate, saves the reserved space for straightening the tongue piece, avoids the problem that the tongue piece is not easy to straighten after long-term use, and quickly connects and fixes the circuit board by setting the clamping plate. However, the mounting structure in the patent is relatively simple, and only clamps and fixes through the clamping plate. Although the installation is relatively simple, the connection strength and firmness of the circuit board are lacking, and the circuit board may be loose under external force, which may affect the use of the circuit board.

[0004] And the authorized announcement number CN221488110U The utility model discloses a circuit board mounting structure belongs to circuit board installation field, a circuit board mounting structure, including circuit board body, installation base, first installation mechanism and second installation mechanism, the installation base is located the lower extreme of circuit board body, the first installation mechanism is located the inside and outside both sides of installation base, the second installation mechanism is located the upper extreme of circuit board body, the first installation mechanism includes baffle, pull rod, limit cylinder, first reset spring, sliding slot, limit board, sleeve, limit block, movable rod, second reset spring, it can be close to the both sides of circuit board and limit through setting first installation mechanism, can also drive the reset of clamping block to the card slot with second spring cooperation, and circuit board and base are clamped together, further limit circuit board, prevent circuit board loose, so even if the rusting fracture such as bolt occurs, circuit board still will not easily loosen, prolongs its life, and the frequency of maintenance is reduced;

[0005] In the above patent, a baffle, a pull rod, a limit cylinder, a first reset spring, a sliding slot, a limit plate, a sleeve, a limit block, a movable rod and a second reset spring are adopted, which can limit the two sides of the circuit board by setting the first installation mechanism, the installation mechanism is complex and cumbersome, the cost is high, and the bolt needs to be disassembled when disassembling, and the bolt is easy to lose after disassembly. Utility model content

[0006] In view of the problems existing in the prior art, the utility model aims at providing a limiting structure for circuit board installation, which adopts a hinge structure extrusion hinge plate structure, can be extruded on the surface of the installation bottom plate through locking screws, can drive the extrusion hinge plate to turn down, can flip and extrude the fixed locking circuit board, the locking is firm, and when disassembling, the extrusion hinge plate can be turned over by loosening the locking screw, the circuit board can be taken out, and the disassembly is convenient, without the need of disassembling the locking screw.

[0007] To solve the above problems, the utility model adopts the following technical scheme.

[0008] The utility model provides a circuit board installation's limiting structure, including installation base plate, the upper surface of installation base plate places the circuit board, the upper surface of installation base plate is fixedly connected with hinged plate seat, the inner side surface of hinged plate seat is hinged with extruding hinged plate piece, the outer end inner side surface of extruding hinged plate piece is connected with locking screw through screw thread, the lower surface of locking screw extrudes in the upper surface of installation base plate, the inner end surface of extruding hinged plate piece extrudes fixedly in the upper surface of circuit board, hinged plate seat and extruding hinged plate piece distribute and set up on the upper surface of left and right sides of installation base plate, through adopting extruding hinged plate piece structure of hinged structure, can be driven extruding hinged plate piece to turn down through locking screw extruding in installation base plate surface, can turn and buckle extruding fixed locking circuit board, locking firm, when its dismounting, loosens locking screw just can turn over extruding hinged plate piece, can take out circuit board, dismounting is convenient, need not to dismount locking screw, dismounting is convenient.

[0009] Further, the inner end surface of the extruding hinged plate piece is provided with an extruding protrusion, which extrudes the outer end upper surface of the circuit board.

[0010] Further, the outer side surface of the extruding hinged plate piece is provided with a hinged convex shaft, which is hinged to the inner side surface of the hinged plate seat.

[0011] Further, the outer surface of the extruding hinged plate piece is provided with a convex threaded hole, and the locking screw is connected to the convex threaded hole of the extruding hinged plate piece through screw thread.

[0012] Further, the upper surface of the installation base plate is provided with a positioning convex strip, and the circuit board is attached to the inner side surface of the positioning convex strip, which can be turned down and extruded on the circuit board for locking and fixing.

[0013] Further, the outer surface of the extruding hinged plate piece is covered with a rubber layer, which increases the friction force when the extruding hinged plate piece extrudes the surface of the circuit board, thereby locking stably.

[0014] Further, the outer ends of the extruding hinged plate piece are tightly attached to the inner side surface of the hinged plate seat.

[0015] Compared with the prior art, the utility model has the following advantages:

[0016] (1) Through the extruding hinged plate piece structure with a hinged structure, the locking screw can be extruded on the surface of the installation base plate, which can drive the extruding hinged plate piece to turn down, buckle and extrude to fix and lock the circuit board, and the locking is firm. When dismounting, the extruding hinged plate piece can be turned over by loosening the locking screw, the circuit board can be taken out, and the dismounting is convenient without the need to dismount the locking screw, thereby facilitating dismounting. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the first schematic view of the overall structure of the utility model;

[0018] Figure 2 It is the second schematic view of the overall structure of the utility model;

[0019] Figure 3 It is the third schematic view of the overall structure of the utility model;

[0020] Figure 4 It is the cross-sectional view of the overall structure of the utility model;

[0021] Figure 5 It is the schematic view of the extruded hinged plate block of the utility model.

[0022] Mark explanation in the drawing:

[0023] 1 installation bottom plate, 2 circuit board, 3 hinged plate seat, 4 extruded hinged plate block, 5 locking screw, 6 positioning convex strip, 40 extruded convex, 41 hinged convex shaft. Specific implementation

[0024] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0025] Embodiment 1

[0026] Please refer to Figures 1-5 A limiting structure for circuit board installation, comprising an installation bottom plate 1, the upper surface of the installation bottom plate 1 is placed with a circuit board 2, the upper surface of the installation bottom plate 1 is fixedly connected with a hinged plate seat 3, the inner side surface of the hinged plate seat 3 is hinged with an extruded hinged plate block 4, the outer end inner side surface of the extruded hinged plate block 4 is threadedly connected with a locking screw 5, the lower surface of the locking screw 5 is extruded on the upper surface of the installation bottom plate 1, the inner end surface of the extruded hinged plate block 4 is extruded and fixed on the upper surface of the circuit board 2, the hinged plate seat 3 and the extruded hinged plate block 4 are distributed and arranged on the upper surfaces of the left and right sides of the installation bottom plate 1; by adopting the extruded hinged plate block structure of the hinged structure, the locking screw can be extruded on the installation bottom plate surface, the extruded hinged plate block can be driven to overturn downward, the circuit board can be extruded and locked, the locking is firm, when disassembling, the locking screw is loosened to overturn the extruded hinged plate block, the circuit board can be taken out, disassembling is convenient, without disassembling the locking screw, disassembling is convenient;

[0027] The inner end surface of the extruded hinged plate 4 is provided with an extruded protrusion 40, which is extruded on the outer end upper surface of the circuit board 2; the extrusion is locked firmly;

[0028] The outer side surface of the extruded hinged plate 4 is provided with a hinged protruding shaft 41, which is hinged on the inner side surface of the hinged plate seat 3; the extruded hinged plate 4 is convenient for being flipped and locked;

[0029] The outer surface of the extruded hinged plate 4 is provided with a convex threaded hole, and the locking screw 5 is threadedly connected to the convex threaded hole of the extruded hinged plate 4 (the locking screw 5 can be embeddedly installed at the extruded hinged plate 4, embedded installation, locked stably); the upper surface of the mounting base 1 is provided with a positioning protruding strip 6, and the circuit board 2 is attached to the inner side surface of the positioning protruding strip 6; the outer surface of the extruded hinged plate 4 is covered with a rubber layer; the friction force is increased;

[0030] The outer ends of the extruded hinged plate 4 are tightly attached to the inner side surface of the hinged plate seat 3; the extruded hinged plate 4 is stably hinged;

[0031] When in use, the hinged plate seat 3 is fixedly connected to the upper surface of the mounting base 1, the extruded hinged plate 4 is hinged to the inner side surface of the hinged plate seat 3, the locking screw 5 is threadedly connected to the outer end inner side surface of the extruded hinged plate 4, the lower surface of the locking screw 5 is extruded on the upper surface of the mounting base 1, the locking screw 5 is locked downward, the extruded hinged plate 4 is extruded on the mounting base 1, the inner end of the extruded hinged plate 4 is flipped downward, the extruded protrusion 40 is locked downward and extruded on the upper surface of the circuit board 2, and the locking is firmly fixed;

[0032] When the circuit board 2 is disassembled, the locking screw 5 is loosened by being twisted upward, the extruded hinged plate 4 is flipped outward, the extruded protrusion 40 is raised, and the circuit board 2 can be directly taken out, so that the disassembly is convenient and the use is convenient;

[0033] When the circuit board 2 is disassembled, the locking screw 5 does not need to be taken off, and the circuit board 2 can be taken off only by loosening the locking screw 5, so that the disassembly is convenient and the operation is convenient; the upper surface of the mounting base 1 is provided with the positioning protruding strip 6, and the circuit board 2 is attached to the inner side surface of the positioning protruding strip 6; the circuit board 2 can be positioned and placed during installation, so that the installation is convenient.

[0034] The above is only a preferred specific embodiment of the present application; however, the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacements or changes according to the technical scheme and improvement concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A limiting structure for a circuit board mounting, comprising a mounting base plate (1), characterized in that: The upper surface of the mounting base (1) is provided with a circuit board (2), the upper surface of the mounting base (1) is fixedly connected with a hinged plate seat (3), the inner side surface of the hinged plate seat (3) is hinged with an extruded hinged plate block (4), the outer end inner side surface of the extruded hinged plate block (4) is threadedly connected with a locking screw (5), the lower surface of the locking screw (5) is extruded on the upper surface of the mounting base (1), the inner end surface of the extruded hinged plate block (4) is extruded and fixed on the upper surface of the circuit board (2), and the hinged plate seat (3) and the extruded hinged plate block (4) are distributed and arranged on the upper surfaces of the left and right sides of the mounting base (1).

2. A standoff structure for circuit board mounting according to claim 1, wherein: The inner end surface of the extruded hinged plate block (4) is provided with an extruded protrusion (40), and the extruded protrusion (40) is extruded on the outer end upper surface of the circuit board (2).

3. A standoff structure for circuit board mounting according to claim 1, wherein: The outer side surface of the extruded hinged plate block (4) is provided with a hinged convex shaft (41), and the hinged convex shaft (41) of the extruded hinged plate block (4) is hinged to the inner side surface of the hinged plate seat (3).

4. The circuit board mounted standoff structure of claim 1 wherein: The outer surface of the extruded hinged plate block (4) is provided with a convex threaded hole, and the locking screw (5) is threadedly connected in the convex threaded hole of the extruded hinged plate block (4).

5. The circuit board mounted standoff structure of claim 1 wherein: The upper surface of the mounting base (1) is provided with a positioning convex strip (6), and the circuit board (2) is attached to the inner side surface of the positioning convex strip (6).

6. A standoff structure for circuit board mounting according to claim 1, wherein: The outer surface of the extruded hinged plate block (4) is covered with a rubber layer.

7. A standoff structure for circuit board mounting according to claim 1, wherein: The outer ends of the extruded hinged plate block (4) are tightly attached to the inner side surface of the hinged plate seat (3).

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