PCB (Printed Circuit Board) power supply connecting seat

Abstract

The utility model discloses a PCB (printed circuit board) power supply connecting seat, which relates to the technical field of power line connection, and adopts the technical scheme that the PCB power supply connecting seat comprises a screw rod and a nut in threaded connection with the screw rod, and the nut is sleeved outside the screw rod; the number of the clamping grooves is two, and the two clamping grooves are formed in the two sides of the nut correspondingly; the number of the first cavities is two, the two first cavities are formed in the two sides of the screw rod correspondingly, and first rotating shafts are fixedly connected to the interiors of the two first cavities correspondingly; the nut locking device has the advantages that the first rotating shaft, the rotating rods, the moving plate, the L-shaped clamping plate and other components are designed, the nut locking device is provided with a nut locking structure, when the nut locking device is used, the rotating rods rotate with the first rotating shaft as a rotating shaft, and then the moving plate is pulled to enable the L-shaped clamping plate to be clamped in a clamping groove in the nut; in this way, the nut can be limited, the phenomenon that the nut is loosened due to thermal expansion and cold contraction can be avoided, and the stability of current transmission can be guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of power line connection, in particular to a PCB board power connection seat. Background Art

[0002] The power charger includes a square shell, a pbc circuit board and some electrical components. When in use, a power cord needs to be connected to the pbc circuit board to power the power charger. When the power cord is in use, a connector needs to be used. The connector is welded to the pbc circuit board, and then the end of the power cord is welded to the connector to power the power charger. After the terminal is put on, a nut needs to be used to tighten it to prevent the terminal from loosening.

[0003] The existing connector is found to have no anti-loosening structure for the nut during use. The nut will become loose when it expands and contracts, resulting in unstable current transmission. Therefore, it needs to be improved.

[0004] For this reason, it is necessary to invent a PCB board power connector. Utility Model Content

[0005] Therefore, the utility model provides a PCB board power connection socket to solve the problems in the background technology.

[0006] In order to achieve the above object, the utility model provides the following technical solution: a PCB board power connector, comprising:

[0007] A screw and a nut threadably connected to the screw, wherein the nut is sleeved outside the screw;

[0008] There are two clamping slots, which are respectively opened on both sides of the nut;

[0009] Cavity 1, which is provided with two cavities, the two cavities 1 are respectively opened on both sides of the screw, and the interiors of the two cavities 1 are fixedly connected with a rotating shaft 1;

[0010] There are two rotating rods, the two rotating rods are respectively sleeved on the outside of the two rotating shafts, the two rotating rods are each provided with a cavity two, the two cavities two are each provided with a moving plate, and the outer sides of the two moving plates are fixedly connected with an L-shaped clamping plate;

[0011] The spring is provided in two pieces, the two springs are respectively fixedly connected to the bottoms of the two moving plates, and the bottom ends of the two springs are respectively fixedly connected to the bottoms of the two cavities.

[0012] Preferably, the movable plate is slidably connected to the second cavity.

[0013] Preferably, magnets are fixedly connected to the inner sides of the two rotating rods, and the two magnets are in contact with the screw rod.

[0014] Preferably, a plurality of pins distributed in a matrix array are fixedly connected to the bottom of the screw.

[0015] Preferably, the tops of the two movable plates are fixedly connected with pull rods.

[0016] Preferably, the rotating rod is connected to the rotating shaft through a bearing.

[0017] The beneficial effect of the utility model is that the utility model has a nut anti-loosening structure by designing the rotating shaft, the rotating rod, the movable plate, the L-shaped card plate and other components. When in use, the rotating rod is rotated with the rotating shaft as the rotating axis, and then the movable plate is pulled to make the L-shaped card plate be stuck in the card slot on the nut. In this way, the nut can be restricted and the loosening of the nut due to thermal expansion and contraction can be avoided. In this way, the stability of current transmission can be guaranteed, and the electrical connection stability is higher. When powering the circuit board, the stable current transmission can be guaranteed, and the phenomenon of the circuit board being burned out due to unstable current can be avoided, and the safety is higher. 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 in 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 The overall structural diagram provided by the utility model;

[0021] Figure 2 A front cross-sectional view provided for the utility model;

[0022] Figure 3 The utility model provides Figure 2 A in the enlarged view;

[0023] Figure 4A side perspective view provided by the utility model;

[0024] Figure 5 A schematic diagram of restricting a nut provided by the utility model;

[0025] In the figure: 1 screw, 2 nut, 3 slot, 4 cavity one, 5 shaft one, 6 rotating rod, 7 cavity two, 8 moving plate, 9 L-shaped card plate, 10 spring, 11 magnet, 12 pin, 13 pull rod. DETAILED DESCRIPTION

[0026] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0027] Refer to the attached Figure 1 -Attached Figure 5 The PCB board power connection socket provided by the utility model includes:

[0028] A screw rod 1 and a nut 2 threadedly connected to the screw rod 1, wherein the nut 2 is sleeved outside the screw rod 1;

[0029] There are two clamping slots 3, which are respectively provided on both sides of the nut 2;

[0030] There are two cavities 4, which are respectively opened on both sides of the screw 1, and the insides of the two cavities 4 are fixedly connected with a rotating shaft 5;

[0031] There are two rotating rods 6, which are respectively sleeved on the outside of the two rotating shafts 5, and the two rotating rods 6 have cavities 7 inside. The two cavities 7 are each provided with a moving plate 8 inside. The outer sides of the two moving plates 8 are fixedly connected with L-shaped clamping plates 9;

[0032] The spring 10 is provided in two pieces, the two springs 10 are respectively fixedly connected to the bottom of the two moving plates 8, and the bottom ends of the two springs 10 are respectively fixedly connected to the bottom of the two cavities 7;

[0033] The movable plate 8 is slidably connected to the cavity 2 7, and the tops of the two movable plates 8 are fixedly connected with a pull rod 13;

[0034] In this embodiment, the device is designed with components such as the rotating shaft 5, the rotating rod 6, the moving plate 8, and the L-shaped clamping plate 9, so that the nut 2 has an anti-loosening structure. When in use, the rotating rod 6 is rotated with the rotating shaft 5 as the rotating axis, and then the moving plate 8 is pulled to make the L-shaped clamping plate 9 clamped in the clamping groove 3 on the nut 2, so that the nut 2 can be restricted and the nut 2 can be prevented from loosening due to thermal expansion and contraction.

[0035] In order to prevent the rotating rod 6 from rotating randomly, the device adopts the following technical solution: magnets 11 are fixedly connected to the inner sides of the two rotating rods 6, and the two magnets 11 are in contact with the screw 1. The magnets 11 can be attracted to the screw 1, so that the rotating rod 6 can be prevented from rotating randomly;

[0036] Among them, in order to achieve the purpose of welding, the present device adopts the following technical solution: a plurality of pins 12 distributed in a matrix array are fixedly connected to the bottom of the screw 1, and the design of the plurality of pins 12 can weld the screw 1 on the circuit board;

[0037] In order to achieve the purpose of reducing wear, the device is implemented by the following technical solution: the rotating rod 6 is connected to the rotating shaft 5 through a bearing, and the bearing connection can reduce wear.

[0038] The use process of the utility model is as follows: when using the utility model, the screw 1 can be welded on the circuit board through the design of multiple pins 12 at the bottom, and then a terminal is welded to the outside of the power line, and then the terminal is sleeved on the outside of the screw 1, and then the nut 2 is sleeved on the outside of the screw 1 and tightened. After tightening, use a screwdriver to move the two rotating rods 6 to make the two rotating rods 6 rotate with the two rotating shafts 5 as the rotating axes, and then pull the two pull rods 13, so that the two movable plates 8 can be moved outward, thereby increasing the distance between the two L-shaped card plates 9, and at the same time the spring 10 is stretched, and then the two L-shaped card plates 9 are aligned with the two card slots 3, and then the two L-shaped card plates 9 can be stuck in the two card slots 3 through the rebound of the spring 10, so that the nut 2 can be restricted, and the nut 2 can be prevented from loosening due to thermal expansion and contraction, so as to ensure the stability of current transmission.

[0039] 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. PCB board power connector, characterized in that: include: A screw rod (1) and a nut (2) threadably connected to the screw rod (1), wherein the nut (2) is sleeved outside the screw rod (1); There are two clamping slots (3), and the two clamping slots (3) are respectively opened on both sides of the nut (2); Cavity 1 (4), which is provided in two pieces, the two cavities 1 (4) are respectively opened on both sides of the screw rod (1), and the inside of the two cavities 1 (4) is fixedly connected with a rotating shaft 1 (5); There are two rotating rods (6), the two rotating rods (6) are respectively sleeved on the outside of the two rotating shafts (5), the two rotating rods (6) are each provided with a cavity (7), the two cavities (7) are each provided with a moving plate (8), and the outer sides of the two moving plates (8) are each fixedly connected with an L-shaped clamping plate (9); The spring (10) is provided in two pieces, the two springs (10) are respectively fixedly connected to the bottom of the two movable plates (8), and the bottom ends of the two springs (10) are respectively fixedly connected to the bottom of the two cavities (7).

2. The PCB board power connector according to claim 1, characterized in that: The movable plate (8) is slidably connected to the second cavity (7).

3. The PCB board power connector according to claim 1, characterized in that: Magnets (11) are fixedly connected to the inner sides of the two rotating rods (6), and the two magnets (11) are in contact with the screw rod (1).

4. The PCB board power connector according to claim 1, characterized in that: A plurality of pins (12) distributed in a matrix array are fixedly connected to the bottom of the screw rod (1).

5. The PCB board power connector according to claim 1, characterized in that: The tops of the two movable plates (8) are both fixedly connected with pull rods (13).

6. The PCB board power connector according to claim 1, characterized in that: The rotating rod (6) is connected to the rotating shaft (5) via a bearing.

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