Two-core power supply connector

Abstract

The utility model discloses a two-core power supply connector which comprises a plug and a socket, a fuse seat is detachably connected in the plugging end of the socket, a fuse on the fuse seat is electrically contacted with a socket male pin in the plug, the socket male pin is provided with a clamping part, the clamping part is clamped on the fuse, and the clamping part is connected with the plug. And a clamping force enhancing piece is arranged outside the clamping part. According to the utility model, through the clamping part on the socket male pin and the external clamping force enhancing member, stable and reliable electrical contact between the fuse and the socket male pin is ensured, the problems of resistance increase, heating and the like caused by poor contact are reduced, and the working stability and reliability of the power supply connector are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to power connector technical field more specifically, is related to a two -core power connector. BACKGROUND

[0002] With the rapid development of 5G technology, the related infrastructure construction scale such as 5G base station, data center expands unceasingly. Compared with 4G, 5G communication has higher data transmission rate, lower delay and greater connection density, which makes 5G communication equipment in the running process to the stability, reliability and power transmission capability of power supply extremely strict requirements.

[0003] In 5G communication system, the input and output interface of power supply is the key link to guarantee the stable operation of equipment, and the connection stability of fuse as an important component of overcurrent protection directly affects the reliability of the whole power supply system.

[0004] In the traditional power connector, the connection mode of fuse is often relatively simple, under the frequent fluctuation of current caused by the high-power operation of 5G communication equipment and the vibration environment generated by the equipment during work, the fuse is prone to looseness, poor contact and other conditions. This not only leads to the failure of overcurrent protection function, cannot cut off abnormal current in time, brings potential damage risk to the equipment, and the poor contact also increases the contact resistance, further causes heating problem, not only affects the power supply efficiency, but also may cause safety hazards due to overheating.

[0005] The above shortcomings still need to be improved. SUMMARY

[0006] In order to solve or alleviate the problem of unstable connection of fuse in the existing power connector, the utility model provides a two -core power connector.

[0007] The utility model technical scheme is as follows:

[0008] A two -core power connector, including plug and socket, the plug -in end of socket is detachably connected with fuse holder, the fuse on the fuse holder is electrically connected with the socket male needle in the plug, the socket male needle is provided with clamping part, the clamping part is clamped on the fuse, the clamping part is provided with clamping force enhancer outside.

[0009] Further, the fuse holder includes a mounting seat, a pull ring is arranged on the first end of the mounting seat, and a mounting clamping groove is arranged on the second end of the mounting seat, and the fuse is clamped and mounted in the mounting clamping groove.

[0010] Further, the socket includes a first shell and a rear cover, a clamping groove is arranged on the first shell, and a buckle is arranged on the rear cover, and the first shell and the rear cover are connected by clamping and buckling through the clamping groove and the buckle.

[0011] Further, the plug comprises a second shell and a plug core connected by plug-in connection, a plug-in sheath is arranged on the plug core, a plug female clamping piece is arranged in the plug-in sheath, the clamping force enhancer is arranged outside the plug female clamping piece, and a position-avoiding sheath is arranged on one side of the plug-in sheath.

[0012] Further, a guide strip is arranged on the plug-in sheath, and a guide groove that is in sliding fit with the guide strip is arranged on the first shell.

[0013] Further, a connecting buckle is rotationally connected to the socket, and a connecting column that is in fit with the connecting buckle is arranged on the plug.

[0014] Further, a first sealing ring is arranged on the plug, and the plug-in end of the socket is in abutment with the first sealing ring; a connecting flange is arranged on the socket, and a second sealing ring is arranged on the connecting flange.

[0015] Further, a wiring groove is arranged on the wiring end of the socket, the wiring groove is used for accommodating a wiring terminal, and a wiring fastener for connecting the wiring terminal is arranged on the socket at the wiring groove.

[0016] Further, the wiring fastener comprises a nut embedded in the socket, a bolt is threadedly connected to the nut, and the head of the bolt is accommodated in the wiring groove.

[0017] Further, a shrinkable connecting sleeve is arranged on the plug connecting end, an opening is arranged on the sidewall of the shrinkable connecting sleeve, a cable sealing ring is arranged in the shrinkable connecting sleeve, and a tail cover is threadedly connected to the outside of the shrinkable connecting sleeve.

[0018] Further, a waterproof film is arranged on the cable sealing ring.

[0019] The utility model discloses a socket and a plug connected by plug-in connection, and the plug comprises a first shell and a plug core connected by plug-in connection, a plug-in sheath is arranged on the plug core, a plug female clamping piece is arranged in the plug-in sheath, the clamping force enhancer is arranged outside the plug female clamping piece, and a position-avoiding sheath is arranged on one side of the plug-in sheath. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or prior art description will be briefly introduced as follows. Obviously, the drawings in the following description only represent some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0021] Figure 1 It is a schematic diagram of the connection state structure of the plug and the socket of the present application;

[0022] Figure 2 It is a schematic diagram of the separation state structure of the plug and the socket of the present application;

[0023] Figure 3 It is an exploded view of the front structure of the plug of the present application;

[0024] Figure 4 It is an exploded view of the back structure of the plug of the present application;

[0025] Figure 5 It is an exploded view of the front structure of the socket of the present application;

[0026] Figure 6 It is an exploded view of the back structure of the socket of the present application.

[0027] In the drawings, the reference signs are as follows: 100, plug; 101, second shell; 1011, shrinkable connecting sleeve; 1012, opening; 1013, connecting column; 102, plug core; 1021, plug-in sheath; 1022, guide strip; 1023, position-avoiding sheath; 103, female clamping piece of plug; 104, first sealing ring; 105, cable sealing ring; 1051, waterproof film; 106, tail cover; 200, socket; 201, fuse holder; 2011, mounting seat; 2012, pull ring; 2013, mounting clamping groove; 2014, fuse; 202, male pin of socket; 2021, clamping part; 203, clamping force enhancer; 204, first shell; 2041, clamping groove; 2042, guide groove; 2043, connecting flange; 205, rear cover; 2051, buckle; 2052, wiring groove; 206, connecting buckle; 207, second sealing ring. DETAILED DESCRIPTION

[0028] In order to make the technical problems, technical solutions and beneficial effects of the present application more clearly understood, the present application will be further described in detail in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application.

[0029] It should be noted that when a component is referred to as being "fixed" or "set" or "connected" to another component, it can be directly or indirectly located on the other component. The terms "upper", "lower", "left", "right", "front", "back", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or position shown in the drawings, and are only for the convenience of description, and cannot be understood as a limitation on the technical solutions. The terms "first", "second", and the like are only used for the convenience of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "multiple" is two or more, unless otherwise specifically limited. The meaning of "several" is one or more, unless otherwise specifically limited.

[0030] As Figures 1 to 6 shown, the two-core power connector in one embodiment of the utility model, including plug 100 and socket 200, the plug end of socket 200 is detachably connected with fuse holder 201, the fuse 2014 on fuse holder 201 and socket male pin 202 in plug 100 electrically contact, socket male pin 202 is provided with clamping portion 2021, clamping portion 2021 clamps on fuse 2014, clamping portion 2021 is provided with clamping force enhancer 203 outside.

[0031] Clamping force enhancer 203 is a flexible metal sheet, is arranged outside clamping portion 2021, and its role is to further enhance the clamping force of clamping portion 2021 on fuse 2014.

[0032] When needing to install or replace fuse 2014, only need to detach fuse holder 201 from the plug end of socket 200, simple and convenient operation.In the installation fuse 2014, fuse 2014 is placed on fuse holder 201, then fuse holder 201 is inserted into socket 200, at this time clamping portion 2021 on socket male pin 202 will automatically clamp on fuse 2014.

[0033] In this embodiment, by arranging the detachable fuse holder 201 in the socket 200, when an overload or short circuit fault occurs in the circuit, the fuse 2014 can be fused in time to cut off the circuit, effectively protecting the electrical equipment connected thereto, avoiding damage to the equipment due to excessive current and even causing fire accidents and other safety accidents. Through the clamping part 2021 on the socket male pin 202 and the external clamping force enhancer 203, stable and reliable electrical contact between the fuse 2014 and the socket male pin 202 is ensured, reducing the problems of increased resistance and heating due to poor contact, and improving the working stability and reliability of the power connector. In addition, the detachable design of the fuse holder 201 allows the fuse 2014 to be installed and removed from the plug-in end after it is fused, so that the user can conveniently and quickly replace the fuse 2014 without the need to disassemble and maintain the entire power connector, reducing maintenance costs and time costs.

[0034] As shown in Figure 5 and Figure 6 , in a preferred example, the fuse holder 201 includes a mounting seat 2011, the mounting seat 2011 is provided with a pull ring 2012 at the first end, and the mounting seat 2011 is provided with a mounting clamping groove 2013 at the second end, and the fuse 2014 is clamped and mounted in the mounting clamping groove 2013.

[0035] When the fuse 2014 needs to be replaced, the user can easily take out the fuse holder 201 from the socket 200 through the pull ring 2012 without the need for additional tools, greatly improving the convenience of operation; the mounting clamping groove 2013 makes the installation of the fuse 2014 more stable, avoiding displacement of the fuse 2014 during use due to vibration and the like, and ensuring reliable contact between the fuse 2014 and the socket male pin 202.

[0036] As shown in Figure 5 and Figure 6 , in a preferred example, the socket 200 includes a first housing 204 and a rear cover 205, the first housing 204 is provided with a clamping groove 2041, and the rear cover 205 is provided with a clamping buckle 2051, and the first housing 204 and the rear cover 205 are clamped and connected through the clamping groove 2041 and the clamping buckle 2051.

[0037] In this embodiment, the first housing 204 and the rear cover 205 are clamped and connected, and compared with the traditional screw connection or glue bonding, the clamped and connected mode is simpler and faster in the assembly process, reducing the production difficulty and cost. At the same time, during the later maintenance, the components can be easily disassembled, improving the convenience of maintenance.

[0038] As shown in Figure 3 and Figure 4As shown in the drawings, in one preferred example, the plug 100 comprises a second housing 101 and a plug core 102, the plug core 102 is provided with a plug sheath 1021, the plug sheath 1021 is provided with a plug female clamp 103 inside, the plug female clamp 103 is provided with a clamping force enhancer 203 outside, and the plug female clamp 103 is provided with a position-avoiding sheath 1023 on one side of the plug sheath 1021, which can accommodate a fuse holder 201.

[0039] The clamping force enhancer 203 ensures the stable connection of the plug female clamp 103 and the socket male pin 202, reduces the contact resistance, and reduces the risk of heating; the plug sheath 1021 can prevent personnel from accidentally touching the plug female clamp 103, thereby improving the safety of use; the position-avoiding sheath 1023 provides installation space for the fuse holder 201, making the overall structure more compact and reasonable, optimizing the space layout, and preventing mistakes such as misplug.

[0040] As shown in the drawings, Figure 3 and Figure 6 In one preferred example, the plug sheath 1021 is provided with a guide strip 1022, and the first housing 204 is provided with a guide groove 2042 that slidably cooperates with the guide strip 1022.

[0041] During the insertion of the plug 100 into the socket 200, the guide strip 1022 and the guide groove 2042 can guide the plug 100 to be accurately inserted, avoiding the misalignment of the plug female clamp 103 and the socket male pin 202, and also enabling the plug 100 to be more tightly connected with the socket 200, thereby improving the connection stability.

[0042] As shown in the drawings, Figure 1 , Figure 3 and Figure 5 In one preferred example, the socket 200 is rotatably connected with a connecting buckle 206, and the plug 100 is provided with a connecting column 1013 that cooperates with the connecting buckle 206. The cooperation of the connecting buckle 206 and the connecting column 1013 can prevent the plug 100 from accidentally falling off during use, thereby enhancing the firmness of the connection between the plug 100 and the socket 200, and being particularly suitable for scenes with high requirements for connection stability.

[0043] As shown in the drawings, Figure 4 and Figure 5 In one preferred example, the plug 100 is provided with a first sealing ring 104, and the plug-in end of the socket 200 abuts against the first sealing ring 104; the socket 200 is provided with a connecting flange 2043, and the connecting flange 2043 is provided with a second sealing ring 207.

[0044] The sealing ring can effectively prevent impurities such as dust and moisture from entering the inside of the power connector, prevent short circuit and other faults caused by the invasion of impurities, prolong the service life of the power connector, and improve its applicability in complex environments.

[0045] As Figure 5 shown, in a preferred example, the socket 200 terminal is provided with a terminal slot 2052 for accommodating the terminal, and the socket 200 is provided with a terminal fastener at the terminal slot 2052 for connecting the terminal.

[0046] The terminal fastener includes a nut embedded in the socket 200, the nut is threadedly connected with a bolt, and the head of the bolt is accommodated in the terminal slot 2052.

[0047] The terminal slot 2052 provides a regular mounting position for the terminal (such as a wire nose), making the wiring process more standardized, making the wiring neat, and facilitating inspection and replacement of the wiring during later maintenance. During installation, the wire nose or the PCB can be directly connected through the terminal fastener, facilitating installation.

[0048] As Figure 3 and Figure 4 shown, in a preferred example, the plug 100 connecting end is provided with a shrinkable connecting sleeve 1011, the side wall of the shrinkable connecting sleeve 1011 is provided with an opening 1012, the shrinkable connecting sleeve 1011 is internally provided with a cable sealing ring 105, and the outer side of the shrinkable connecting sleeve 1011 is threadedly connected with a tail cover 106.

[0049] The cable sealing ring 105 is provided with a waterproof film 1051.

[0050] The side wall of the shrinkable connecting sleeve 1011 is provided with the opening 1012, and the tail cover 106 is tightened so that it can be radially shrunk to fasten the cable and prevent the cable from loosening; at the same time, the outer wall of the cable sealing ring 105 is in close contact with the shrinkable connecting sleeve 1011, and the inner wall is in close contact with the cable, so as to prevent dust and water; the waterproof film 1051 plays a good waterproof role when not connected, ensuring that the internal circuit is not eroded by water; when connected, only the waterproof film 1051 needs to be pierced, which is simple to operate, meets the waterproof requirement, and also takes into account the convenience of wiring.

[0051] The above only describes preferred embodiments of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A two-core power connector, characterized by, The plug and the socket are provided, the plug-in end of the socket is detachably connected with a fuse holder, the fuse on the fuse holder is in electrical contact with the socket pin in the plug, a clamping part is arranged on the socket pin, the clamping part clamps the fuse, and a clamping force enhancer is arranged outside the clamping part.

2. A two-prong power connector as defined in claim 1, wherein The fuse holder comprises a mounting seat, a pull ring is arranged at a first end of the mounting seat, and a mounting clamping groove is arranged at a second end of the mounting seat, and the fuse is clamped and mounted in the mounting clamping groove.

3. A two-prong power connector as defined in claim 1, wherein The socket comprises a first shell and a rear cover, a clamping groove is arranged on the first shell, and a buckle is arranged on the rear cover, and the first shell and the rear cover are clamped and connected through the clamping groove and the buckle.

4. A two-prong power connector as defined in claim 3, wherein The plug comprises a second shell and a plug core connected through plug-in, a plug-in sheath is arranged on the plug core, a plug female clamping piece is arranged in the plug-in sheath, the plug female clamping piece is provided with the clamping force enhancer outside, a position-avoiding sheath is arranged on one side of the plug-in sheath, and the position-avoiding sheath can accommodate the fuse holder.

5. A two-prong power connector as defined in claim 4, wherein, A guide strip is arranged on the plug-in sheath, and a guide groove is arranged on the first shell and slidably matched with the guide strip.

6. A two-prong power connector as defined in claim 1, wherein A connecting buckle is rotatably connected to the socket, and a connecting column matched with the connecting buckle is arranged on the plug.

7. A two-prong power connector as defined in claim 1, wherein A first sealing ring is arranged on the plug, and the plug-in end of the socket abuts against the first sealing ring. A connecting flange is arranged on the socket, and a second sealing ring is arranged on the connecting flange.

8. A two-prong power connector as defined in claim 1, wherein A wiring groove is arranged on the wiring end of the socket, the wiring groove is used for accommodating a wiring terminal, and the socket is provided with a wiring fastener for connecting the wiring terminal at the wiring groove.

9. A two prong power connector as defined in claim 1, wherein, A contraction connecting sleeve is arranged on the connecting end of the plug, an opening is arranged on the side wall of the contraction connecting sleeve, a cable sealing ring is arranged in the contraction connecting sleeve, and a tail cover is threadedly connected to the outside of the contraction connecting sleeve.

10. A two-prong power connector as defined in claim 9, wherein A waterproof film is arranged on the cable sealing ring.

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