Charger DC line tail clamp self-locking structure

Abstract

The utility model relates to the technical field of charger DC wires, in particular to a charger DC wire tail clamp self-locking structure which comprises a bottom shell, and an insertion hole is formed in one side of the bottom shell. The device further comprises a wire plug which is connected with the bottom shell through the insertion hole, a connecting block is fixed to the wire plug and located in the bottom shell, a clamping groove is formed in the connecting block, and a permanent magnet is fixed to one end of the connecting block. The charger DC wire self-locking device comprises a bottom shell and a locking part fixed in the bottom shell, locking processing of the plug is achieved through the locking part designed in the bottom shell, the charger DC wire self-locking device is different from a traditional charger DC wire self-locking device, the plug is locked, meanwhile, through a designed controller and a designed control button, the plug is rapidly disassembled after being locked, and the practicability is high. Through perfect cooperation of the locking component, the controller and the control button, the plug can be effectively locked, and the plug can be quickly disassembled after being locked, so that the convenience of locking the plug is improved, and the requirement on space is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a charger DC line technical field, concretely is a charger DC line tail card self locking structure. BACKGROUND

[0002] In the charging and power supply process of electronic equipment, as the bridge connecting the charger and the equipment, one of the core functions of the DC line is to accurately and stably transmit the direct current output by the charger to the electronic equipment. For example, the mobile phone charger transmits direct current with appropriate voltage and current to the mobile phone battery through the DC line, providing energy guarantee for the normal operation and charging of the mobile phone.

[0003] The traditional charger DC line tail card self locking device usually adopts the mode that the rotating plug head cooperates with the bottom shell to achieve self locking, so as to improve the stability. However, in the actual operation scene, when the plug head needs to rotate to realize self locking, if there are obstacles such as walls and furniture around, the space left for personnel operation is extremely compressed, and the narrow space makes the rotating action difficult to perform smoothly, greatly hindering the normal use of the user and failing to bring convenient and efficient experience to the personnel. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a charger DC line tail card self locking structure to solve the problem that the existing plug head is not convenient to lock in a narrow space.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A charger DC line tail card self locking structure, comprising a bottom shell, a plug-in hole is formed in one side of the bottom shell; further comprising a plug head, the plug head is connected with the bottom shell through the plug-in hole, a connecting block is fixed on the plug head, the connecting block is located in the inside of the bottom shell, a clamping groove is formed in the connecting block, a permanent magnet is fixed at one end of the connecting block; and a locking component fixed in the inside of the bottom shell, the plug head is locked through the locking component.

[0007] Preferably, the locking component comprises a locking rack, a locking groove is formed in the locking rack, and an electromagnetic coil is fixed at the bottom of the locking groove.

[0008] Preferably, a positioning hole is formed in the locking groove, a spring is fixed in the positioning hole, and a locking block is fixed on the spring, so as to lock the plug head.

[0009] Preferably, the locking block is in the shape of an inclined triangle, a protruding block is fixed on the locking block, and the protruding block is made of rubber material, so as to play a buffering role when the plug head is pulled out.

[0010] Preferably, the locking frame is externally provided with a controller connected with the electromagnetic coil, the bottom of the controller is fixedly provided with a control line, the distal end of the control line is fixedly provided with the inner wall of the bottom shell, the outer side of the bottom shell is fixedly provided with a control knob connected with the control line.

[0011] Preferably, the spring is made of high-elasticity and corrosion-resistant stainless steel material, and a Dacromet coating is covered on the surface of the spring, so that the spring is not easy to be damaged and the service life is prolonged.

[0012] Preferably, the inner wall of the locking groove is a smooth plane, and the surface of the plug head is provided with a plug groove, so that the plug head is more smooth when being fixed and disassembled by personnel, and the transmission groove is convenient for personnel to pull the plug head.

[0013] Preferably, a color-changing light-emitting diode is fixedly arranged above the connecting position between the bottom shell and the plug head, and the color-changing light-emitting diode is made of semiconductor material, so that whether the plug head is successfully locked can be observed by personnel.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1. The utility model discloses a locking component designed in the bottom shell, realizes the self-locking treatment of the plug head, differs from the traditional charger DC line self-locking device, thereby being favorable for locking the plug head, and the controller and the control knob are designed, realize the quick disassembly after locking the plug head, and the locking component, the controller and the control knob are perfectly matched, thereby can effectively lock the plug head, and the plug head is quickly disassembled after being locked, thereby the convenience of the plug head locking is improved, and further the demand for space is reduced.

[0016] 2. The utility model discloses a color-changing light-emitting diode, realizes the observation after locking the plug head, when the plug head is successfully locked, green light is emitted, and the green light is clearly visible under various environmental lights, and personnel can confirm the stable connection at a glance, if the plug head is not normally locked due to foreign matters, component wear and tear and the like, the diode will be switched to red light, and the potential problem is directly warned, so that personnel can timely detect the abnormality, avoid forcibly charging under the condition of abnormal connection, effectively prevent the safety hazards such as short circuit and poor contact, further guarantee the safety of equipment and users, and the comfort of personnel is improved. DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the drawings needed to be used in the embodiment will be simply introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creating labor.

[0018] Figure 1 It is a whole structure schematic view of the utility model.

[0019] Figure 2 It is another angle structure schematic diagram of the utility model as a whole;

[0020] Figure 3 It is internal structure schematic diagram of the utility model as a whole;

[0021] Figure 4 It is internal structure schematic diagram of the utility model locking component;

[0022] Figure 5 It is locking component side structure schematic diagram of the utility model;

[0023] Figure 6 It is Figure 4 Corresponding enlarged view at A in the middle.

[0024] In the drawings, the component list represented by each reference numeral is as follows: 1, bottom shell;2, insertion hole;3, plug-in head;4, connecting block;5, clamping groove;6, permanent magnet;7, locking component;8, locking frame;9, locking groove;10, electromagnetic coil;11, positioning hole;12, spring;13, locking block;14, protruding block;15, controller;16, control line;17, control knob;18, plug-in slot;19, color-changing light-emitting diode. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Embodiment one: as shown in the figure, a charger DC line tail clamp self-locking structure, including bottom shell 1, bottom shell 1 side is provided with insertion hole 2;Still include: plug-in head 3, plug-in head 3 is connected with bottom shell 1 through insertion hole 2, plug-in head 3 is fixed with connecting block 4, connecting block 4 is located in the inside of bottom shell 1, connecting block 4 is provided with clamping groove 5, one end of connecting block 4 is fixed with permanent magnet 6;And fixed in the inside of bottom shell 1 locking component 7, plug-in head 3 is locked through locking component 7. Figure 1 Figure 6 Specifically: the scheme is through optimizing the traditional charger DC line self-locking device, the problem that plug-in head is not convenient enough when locking in narrow space is solved:

[0027]

[0028] ​​The locking part 7 designed inside the bottom shell 1 realizes the locking of the plug 3, which is different from the traditional charger DC line locking device, thereby facilitating the locking of the plug 3, and through the controller 15 and the control knob 17, the plug 3 can be quickly disassembled after being locked, and through the perfect cooperation of the locking part 7, the controller 15 and the control knob 17, the plug 3 can be effectively locked and quickly disassembled after being locked, thereby improving the convenience of the plug 3 locking, and further reducing the demand for space.

[0029] Meanwhile, referring to Figure 2 - Figure 5 The locking part 7 includes a locking frame 8, and the locking frame 8 is provided with a locking groove 9, and the bottom of the locking groove 9 is fixed with an electromagnetic coil 10.

[0030] Further, referring to Figure 2 - Figure 5 The locking groove 9 is provided with a positioning hole 11, and the positioning hole 11 is fixed with a spring 12, and the spring 12 is fixed with a locking block 13.

[0031] Meanwhile, referring to Figure 2 - Figure 5 The locking frame 8 is provided with a controller 15 outside, the controller 15 is connected with the electromagnetic coil 10, the controller 15 is fixed with a control line 16 at the bottom, the control line 16 is fixed with the inner wall of the bottom shell 1 at the far end, and the bottom shell 1 is fixed with a control knob 17 outside, and the control knob 17 is connected with the control line 16.

[0032] The working mode of the locking part 7: when charging, the plug 3 is aligned with the insertion hole 2 on the bottom shell 1 to enter, and the surface plug slot 18 is guided to slide along the locking groove 9, which helps the plug 3 to smoothly enter the position, and the connecting block 4 enters the bottom shell 1. The permanent magnet 6 at the end of the connecting block 4 and the electromagnetic coil 10 at the bottom of the locking groove 9 are not powered in normal state, the spring 12 is stretched, the locking block 13 is guided to slide into the locking groove 9 by the inclined edge of the locking block 13, and after the connecting block 4 is in place, the spring 12 pushes the locking block 13, the right angle edge of the locking block 13 is combined with the connecting block 4, the rubber convex block 14 buffers the insertion impact and increases the friction, realizes self-locking, and guarantees the stability of charging; when pulling out the plug 3, press the control knob 17 outside the bottom shell 1, the signal is transmitted to the controller 15 through the control line 16, and the controller 15 starts the electromagnetic coil 10 to be powered. The electromagnetic coil 10 generates a repelling magnetic field with the permanent magnet 6, which weakens the attraction force, and at the same time, it assists the locking block 13 to overcome the spring force to retract, thereby releasing the locking of the connecting block 4, so that the user can easily pull out the plug 3, which takes into account the convenience and stability of the plug and pull operation.

[0033] Example two: referring to Figure 1 and Figure 4As shown, the bottom shell 1 and the plug 3 are connected above the fixed color-changing light-emitting diode 19, which is made of semiconductor material, so as to facilitate the observation of whether the plug 3 is locked successfully.

[0034] Meanwhile, referring to Figure 4 and Figure 6 As shown, the locking block 13 is shaped as an inclined triangle, and the locking block 13 is fixed with the protruding block 14, which is made of rubber material, so as to facilitate the buffering effect when the plug 3 is pulled out; the spring 12 is made of high-elasticity and corrosion-resistant stainless steel material, and the surface of the spring 12 is covered with a Dacromet coating, so as not to be easily damaged and to increase the service life.

[0035] Further, referring to Figure 1 、 Figure 3 and Figure 5 As shown, the inner wall of the locking groove 9 is a smooth plane, and the surface of the plug 3 is provided with the plug groove 18, so as to facilitate the more smooth fixing and dismounting of the plug 3, and the spreading groove facilitates the pulling of the plug 3.

[0036] It can be understood that the utility model is described through some embodiments, and those skilled in the art know that various changes or equivalent replacements of the features and embodiments can be made without departing from the spirit and scope of the utility model.In addition, under the guidance of the utility model, the features and embodiments are modified to adapt to specific conditions and materials without departing from the spirit and scope of the utility model.Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the scope protected by the utility model.

Claims

1. A charger DC tail clamp self-locking structure, comprising a bottom shell (1), one side of which is provided with an insertion hole (2); characterized in that Further comprising: a plug head (3) connected with the bottom shell (1) through the insertion hole (2), the plug head (3) is fixed with a connecting block (4), the connecting block (4) is located inside the bottom shell (1), the connecting block (4) is provided with a clamping groove (5), and one end of the connecting block (4) is fixed with a permanent magnet (6); and a locking component (7) fixed inside the bottom shell (1), the plug head (3) is locked through the locking component (7).

2. The self-locking structure of a DC tail cap of a charger according to claim 1, characterized in that: The locking component (7) comprises a locking frame (8), the locking frame (8) is provided with a locking groove (9), and the bottom of the locking groove (9) is fixed with an electromagnetic coil (10).

3. The self-locking structure of a charger DC tail cap according to claim 2, characterized in that: The locking groove (9) is provided with a positioning hole (11), the positioning hole (11) is fixed with a spring (12), and the spring (12) is fixed with a locking block (13).

4. The self-locking structure of a charger DC tail cap according to claim 3, characterized in that: The locking block (13) is shaped as an inclined triangle, the locking block (13) is fixed with a convex block (14), and the convex block (14) is made of rubber material.

5. The self-locking structure of a charger DC tail cap according to claim 2, characterized in that: A controller (15) is installed on the outer side of the locking frame (8), the controller (15) is connected with the electromagnetic coil (10), the controller (15) is fixed with a control line (16) at the bottom, the distal end of the control line (16) is fixed with the inner wall of the bottom shell (1), the outer side of the bottom shell (1) is fixed with a control knob (17), and the control knob (17) is connected with the control line (16).

6. The self-locking structure of a charger DC tail cap according to claim 3, characterized in that: The spring (12) is made of high-elasticity and corrosion-resistant stainless steel material, and the surface of the spring (12) is covered with a Dacromet coating.

7. The self-locking structure of a charger DC tail cap according to claim 3, characterized in that: The inner wall of the locking groove (9) is a smooth plane, and the surface of the plug head (3) is provided with a plug groove (18).

8. The self-locking structure of a charger DC tail cap according to claim 5, characterized in that: The top of the connection between the bottom shell (1) and the plug head (3) is fixed with a color-changing light-emitting diode (19), and the color-changing light-emitting diode (19) is made of semiconductor material.

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