Power supply tail plug with good safety performance

Abstract

The utility model discloses a power supply tail plug with good safety performance, and relates to the technical field of power supply tail plugs, the power supply tail plug with good safety performance comprises a blocking cover and three positioning mechanisms fixedly connected to the surface of the blocking cover, the shape of each positioning mechanism is designed into a double-splayed shape, and an opening at an inlet is splayed, so that a plug can smoothly enter the power supply tail plug. And the positioning mechanism is arranged on the surface of the blocking cover. According to the utility model, through the arrangement of the positioning mechanism, during use, the shape of the red copper conducting strip is double-splayed, the opening at the inlet is splayed, a plug can enter smoothly, the splayed occlusion part is stressed to extend outwards, the occlusion and the elastic force are more sufficient, and the stability of electrical connection is improved; and the wire clamping sheet adopts the semicircular recess and the notch is milled at the edge, so that the contact surface and the stress condition of the assembled wire are improved, and the risk of poor contact caused by the falling of the wire is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of power tail plugs, in particular to a power tail plug with good safety performance. Background Art

[0002] A power connector generally refers to the port on a device that connects to a power source, allowing it to be charged or powered by an external power source. On mobile devices like phones and tablets, the term "connector" can also refer to the port used for both data and charging. These ports are typically located on the bottom of the device, hence the name. The design of the connector allows the device to easily connect to other devices (such as a computer) for data transfer and charging.

[0003] However, the internal structure of ordinary plugs on the market is unstable and can easily slip and loosen, causing safety accidents and harm to the human body. Utility Model Content

[0004] The utility model provides a power tail plug with good safety performance, which solves the problems of unstable structure, easy slipping and loosening in the existing one.

[0005] The utility model provides the following technical solutions: a power tail plug with good safety performance, comprising a blocking cover and three positioning mechanisms fixedly connected to the surface of the blocking cover, the shape of the positioning mechanism is designed to be a double figure eight shape, with an opening at the entrance in the figure eight shape, which is conducive to the smooth entry of the plug, and has stronger bite and elasticity, and also includes: a positioning mechanism arranged on the surface of the blocking cover, the positioning mechanism including a copper conductive sheet, a contact sheet, a wire clamping sheet and a wire locking screw, the contact sheet is protruding with a semicircular arch bridge, the wire clamping sheet is concave with a semicircular shape and a notch is milled on the edge; a shell is arranged on the back of the blocking cover, the inner bottom of the shell is fixedly connected with a wire clamping mechanism, the wire clamping mechanism includes a wire clamping block A, a wire clamping block B and a wire clamping screw; a plastic plug is arranged on the front of the blocking cover, the surface of the plastic plug is provided with three threaded interfaces, the inner wall of the threaded interface is fixedly connected with a threaded blocking column, and a threaded blocking column is added at the threaded interface.

[0006] As an optimal technical solution of the present invention, the copper conductive sheet is fixedly connected to the surface of the baffle, and the surface of the copper conductive sheet is fixedly connected to a contact sheet. The surfaces of the contact sheet and the copper conductive sheet are both provided with threaded holes, and the internal threads of the threaded holes are connected to wire locking screws, and the surface of the wire locking screws are threadedly connected to wire clamping sheets. The contact sheet is protruding with a semicircular arch bridge, and the wire clamping sheet is concave with a semicircular shape and a notch is milled on the edge. The advantage is that the assembled wire contact surface is more subjected to greater force, is more firm, stable, and not easy to fall off.

[0007] As an optimal technical solution of the present invention, the wire clamping block A is fixedly connected to the inner bottom of the outer shell, and two threaded holes are provided on the surface of the wire clamping block A. The internal threads of the threaded holes are connected to wire clamping screws, and the surface of the wire clamping screws are threadedly connected to the wire clamping block B. The wire clamping blocks A and B are convenient for clamping and fixing external cables, which can reduce the risk of cables being pulled or bent by external forces, thereby protecting the insulation layer and internal conductor of the cables and extending the service life of the cables.

[0008] As an optimal technical solution of the present invention, the shape of the copper conductive sheet is a double figure eight shape, and the upper and lower surfaces of the wire-holding sheet are both provided with wire-holding notches, with the entrance opening in the shape of a figure eight, which is conducive to smooth entry of the plug and provides better bite and elasticity.

[0009] As a preferred technical solution of the present invention, a dustproof retaining ring is fixedly connected to the back of the shell, and a dustproof rubber ring is installed inside the dustproof retaining ring to prevent dust from entering.

[0010] As a preferred technical solution of the present invention, threaded holes are provided on the surfaces of the blocking cover, the shell and the plastic plug, and the internal threads of the threaded holes are connected with locking plug screws, which facilitate the connection of the blocking cover, the shell and the plastic plug.

[0011] As a preferred technical solution of the present invention, a tail plug is fixedly connected to the surface of the plastic plug, and three plug interfaces are opened on the surface of the tail plug, which are convenient for connecting to an external plug.

[0012] As a preferred technical solution of the present invention, three threaded holes are provided at the bottom of the blocking cover and the plastic plug, and the internal threads of the threaded holes are connected with positioning bolts. The positioning bolts facilitate the connection between the blocking cover and the plastic plug, thereby improving the stability of the connection.

[0013] Compared with the existing technology, the present invention provides a power tail plug with good safety performance, which has the following beneficial effects:

[0014] 1. This power tail plug with good safety performance is designed with a positioning mechanism. When in use, the copper conductive piece is in the shape of a double figure-eight. The opening at the entrance is figure-eight, which is conducive to the smooth entry of the plug. The bite is figure-eight, which extends outward under force, and the bite and elasticity are stronger, thereby improving the stability of the electrical connection. Secondly, the contact piece is protruding with a semicircular arch bridge, and the wire clamping piece is concave with a semicircular edge milling notch, which increases the contact surface and force of the assembled wires, avoiding the risk of poor contact caused by the wires falling off.

[0015] 2. This power tail plug with good safety performance has a wire clamping mechanism. When assembling the external cable, the cable is passed through the insertion hole opened inside the shell, and then the external cable is clamped and fixed using the wire clamping block A and the wire clamping block B. Finally, the wire clamping screw is inserted into the wire clamping block A and the wire clamping block B, thereby achieving the effect of positioning the cable, reducing the risk of the cable being pulled or bent by external force, and thus protecting the insulation layer and internal conductor of the cable, and extending the service life of the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the blocking cover of the utility model;

[0018] Figure 3 This is a schematic diagram of the positioning mechanism structure of the utility model;

[0019] Figure 4 This is a structural diagram of the wire clamping mechanism of the utility model.

[0020] In the figure: 1. Cover; 2. Positioning mechanism; 201. Copper conductive sheet; 202. Wire clamping piece; 203. Wire locking screw; 204. Contact piece; 3. Housing; 4. Wire clamping mechanism; 401. Wire clamping block A; 402. Wire clamping block B; 403. Wire locking screw; 5. Plastic plug; 6. Threaded interface; 7. Threaded stopper; 8. Wire locking notch; 9. Dustproof retaining ring; 10. Dustproof rubber ring; 11. Locking screw for plug; 12. Tail plug; 13. Plug interface; 14. Positioning bolt. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments 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 making creative efforts are within the scope of protection of the present invention.

[0022] See also Figure 1 - Figure 4The utility model discloses a power tail plug with good safety performance, including a blocking cover 1 and three positioning mechanisms 2 fixedly connected to the surface of the blocking cover 1. The shape of the positioning mechanism 2 is designed to be a double eight-shaped shape, with an eight-shaped opening at the entrance, which is conducive to the smooth entry of the plug, and has stronger bite and elasticity. It also includes: a positioning mechanism 2 arranged on the surface of the blocking cover 1, the positioning mechanism 2 includes a copper conductive sheet 201, a contact sheet 204, a wire clamping sheet 202 and a wire locking screw 203, the contact sheet 204 is a semicircular arch protrusion, the wire clamping sheet 202 is a semicircular recess and a notch is milled on the edge; a shell 3 is arranged on the back of the blocking cover 1, and a wire clamping mechanism 4 is fixedly connected to the inner bottom of the shell 3, and the wire clamping mechanism 4 includes a wire clamping block A401, a wire clamping block B402 and a wire clamping screw 403; a plastic plug 5 is arranged on the front of the blocking cover 1, and three threaded interfaces 6 are opened on the surface of the plastic plug 5. The inner wall of the threaded interface 6 is fixedly connected to a threaded blocking column 7, and a threaded blocking column 7 is added at the threaded interface 6.

[0023] Specifically, the copper conductive sheet 201 is fixedly connected to the surface of the cover 1, and the surface of the copper conductive sheet 201 is fixedly connected to the contact sheet 204. The surfaces of the contact sheet 204 and the copper conductive sheet 201 are both provided with threaded holes, and the internal threads of the threaded holes are connected to the locking screws 203, and the surface of the locking screws 203 is threadedly connected to the wire clamping sheet 202.

[0024] In this embodiment, when in use, the shape of the copper conductive sheet 201 is a double figure-eight shape, with an opening in the figure-eight shape at the entrance, which is conducive to the smooth entry of the plug, and an figure-eight shape at the bite point, which extends outward under force, and has more sufficient bite and elasticity, thereby improving the stability of the electrical connection. Secondly, the contact sheet 204 is protruding with a semicircular arch bridge, and the wire-holding sheet 202 is concave in the semicircle with a notch milled on the edge, thereby improving the contact surface and force conditions of the assembled wires.

[0025] Specifically, the wire clamping block A401 is fixedly connected to the inner bottom of the shell 3. Two threaded holes are provided on the surface of the wire clamping block A401. The inner threads of the threaded holes are connected to the wire clamping screws 403. The surface of the wire clamping screws 403 is threadedly connected to the wire clamping block B402.

[0026] In this embodiment, when assembling the external cable, the cable is passed through the insertion hole opened inside the shell 3, and then the external cable is clamped and fixed using the wire clamping block A401 and the wire clamping block B402, and finally the wire clamping screw 403 is inserted into the wire clamping block A401 and the wire clamping block B402 to achieve the positioning of the cable.

[0027] Specifically, the copper conductive sheet 201 is in a double figure eight shape, and the upper and lower surfaces of the wire-holding sheet 202 are both provided with wire-holding notches 8 .

[0028] In this embodiment, the shape is designed to be a double figure eight, with an opening in the entrance in the shape of a figure eight, which is conducive to the smooth entry of the plug. The bite is in the shape of a figure eight, which is stretched outward under force, and the bite and elasticity are stronger. The wire clamping piece 202 adopts a semicircular depression and a notch is milled on the edge. The advantage is that the assembled wire contact surface has more force, is more firm, stable, and not easy to fall off.

[0029] Specifically, a dustproof retaining ring 9 is fixedly connected to the back of the housing 3 , and a dustproof rubber ring 10 is installed inside the dustproof retaining ring 9 .

[0030] Specifically, threaded holes are formed on the surfaces of the blocking cover 1 , the housing 3 and the plastic plug 5 , and the internal threads of the threaded holes are connected with the plug-locking screws 11 .

[0031] In this embodiment, the dustproof retaining ring 9 and the dustproof rubber ring 10 are located on the back of the shell 3, which can seal the shell 3 to prevent external dust from entering the interior of the device and causing a short circuit in the device. The locking plug screw 11 facilitates the disassembly of the cover 1, the shell 3 and the plastic plug 5, making it convenient for the staff to assemble.

[0032] Specifically, a tail plug 12 is fixedly connected to the surface of the plastic plug 5 , and three plug ports 13 are provided on the surface of the tail plug 12 .

[0033] Specifically, three threaded holes are formed at the bottom of the blocking cover 1 and the plastic plug 5 , and positioning bolts 14 are connected to the inner threads of the threaded holes.

[0034] The working principle and use process of the utility model are as follows: when in use, the shape of the copper conductive sheet 201 is a double figure eight shape, with the opening figure eight at the entrance, which is convenient for the smooth entry of the plug, and the bite point is figure eight, which is stretched outward under force, and the bite and elasticity are more sufficient, thereby improving the stability of the electrical connection. Secondly, the contact sheet 204 is convex with a semicircular arch bridge, and the wire clamping sheet 202 is concave with a semicircular edge milled with a notch, thereby improving the contact surface and force of the assembled wire;

[0035] When assembling the external cable, pass the cable through the insertion hole opened inside the shell 3, and then use the wire clamping block A401 and the wire clamping block B402 to clamp and fix the external cable. Finally, insert the wire clamping screw 403 into the wire clamping block A401 and the wire clamping block B402 to achieve the positioning of the cable.

[0036] To sum up, this power tail plug with good safety performance avoids the risk of poor contact caused by wire falling off through the setting of positioning mechanism 2; and reduces the risk of the cable being pulled or bent by external force through the setting of wire clamping mechanism 4, thereby protecting the insulation layer and internal conductor of the cable and extending the service life of the cable.

[0037] It should be noted that, in this document, terms such as "comprises," "includes," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, article, or apparatus comprising a series of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or apparatus comprising the element.

[0038] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A power tail plug with good safety performance, comprising a cover (1) and three positioning mechanisms (2) fixedly connected to the surface of the cover (1), wherein the positioning mechanism (2) is designed in a double figure-eight shape, with an opening at the entrance in the figure-eight shape, which is conducive to smooth entry of the plug, and has a stronger bite and elastic force, and is characterized in that: Also includes: A positioning mechanism (2) is provided on the surface of the retaining cover (1), the positioning mechanism (2) comprising a copper conductive sheet (201), a contact sheet (204), a wire clamping sheet (202) and a wire locking screw (203), the contact sheet (204) being convex in the form of a semicircular arch, and the wire clamping sheet (202) being concave in the form of a semicircular arch with a notch milled on the edge; A housing (3) is provided on the back of the blocking cover (1), wherein the inner bottom of the housing (3) is fixedly connected to a wire clamping mechanism (4), wherein the wire clamping mechanism (4) comprises a wire clamping block A (401), a wire clamping block B (402) and a wire clamping screw (403); A plastic plug (5) is provided on the front of the cover (1), and three threaded interfaces (6) are provided on the surface of the plastic plug (5). The inner wall of the threaded interface (6) is fixedly connected with a threaded retaining column (7), and a threaded retaining column (7) is added to the threaded interface (6).

2. The power tail plug with good safety performance according to claim 1, characterized in that: The copper conductive sheet (201) is fixedly connected to the surface of the blocking cover (1); a contact sheet (204) is fixedly connected to the surface of the copper conductive sheet (201); threaded holes are provided on the surfaces of the contact sheet (204) and the copper conductive sheet (201); a locking screw (203) is threadedly connected to the interior of the threaded hole; and a wire clamping sheet (202) is threadedly connected to the surface of the locking screw (203).

3. The power tail plug with good safety performance according to claim 1, characterized in that: The wire clamping block A (401) is fixedly connected to the inner bottom of the housing (3), and two threaded holes are provided on the surface of the wire clamping block A (401). The inner threads of the threaded holes are connected to the wire clamping screws (403), and the surface of the wire clamping screws (403) is threadedly connected to the wire clamping block B (402).

4. The power tail plug with good safety performance according to claim 1, characterized in that: The copper conductive sheet (201) is in the shape of a double figure eight, and the upper and lower surfaces of the wire-holding sheet (202) are both provided with wire-holding notches (8).

5. The power tail plug with good safety performance according to claim 1, characterized in that: A dustproof retaining ring (9) is fixedly connected to the back of the housing (3), and a dustproof rubber ring (10) is installed inside the dustproof retaining ring (9).

6. The power tail plug with good safety performance according to claim 1, characterized in that: The surfaces of the blocking cover (1), the housing (3) and the plastic plug (5) are all provided with threaded holes, and the internal threads of the threaded holes are connected to the plug screws (11).

7. The power tail plug with good safety performance according to claim 1, characterized in that: The surface of the plastic plug (5) is fixedly connected to a tail plug (12), and the surface of the tail plug (12) is provided with three plug interfaces (13).

8. The power tail plug with good safety performance according to claim 1, characterized in that: The bottom of the blocking cover (1) and the plastic plug (5) are both provided with three threaded holes, and the internal threads of the threaded holes are connected with positioning bolts (14).

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