CN219591765U

CN219591765U - Power connector

Info

Publication number: CN219591765U
Application number: CN202320651172.XU
Authority: CN
Inventors: 何小芳
Original assignee: Sichuan Xinlian Electronic Technology Co ltd
Current assignee: Sichuan Xinlian Electronic Technology Co ltd
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-08-25
Anticipated expiration: 2033-03-28

Abstract

The utility model relates to a power connector in the field of power connectors, which comprises a plug and a socket, wherein the plug comprises a first shell and a power connection terminal arranged in the first shell, the upper end and the lower end of the power connection terminal are respectively provided with a plug-in connection part and a wiring part, and the power connection terminal is integrally formed; the socket is including the second casing and can peg graft the grafting terminal in grafting portion, one side of first casing is provided with and is used for carrying out complex locking subassembly with the second casing, be provided with elastic sleeve in the grafting portion, elastic sleeve is including two spacing snap rings and a plurality of slope set up the electric connection piece between two spacing snap rings for carry out electric connection's grafting portion and be used for connecting the wiring portion of outside electric wire all to be located integrated into one piece's binding post with grafting terminal, make both can not appear separating easily and the condition of breaking circuit, can effectively guarantee the stability that grafting portion and wiring portion are connected.

Description

Power connector

Technical Field

The utility model relates to the field of power connectors, in particular to a power connector.

Background

Electrical connectors are fundamental components for making electrical connections and signal transfer between devices, assemblies and components, systems and systems, and generally include sockets and plugs, which are widely used in various electrical lines; however, in the prior art, as disclosed in chinese patent publication No. CN110492293a, a power connector and an assembling method thereof, a connection tab for connection and a connection terminal for connection with a socket are not integrally provided, and are electrically connected only by means of mutual contact, and the connection mode of such contact is poor in stability and may have a case of disconnection.

Disclosure of Invention

The present utility model is directed to solving the above-mentioned drawbacks and providing a power connector to solve the above-mentioned problems in the prior art.

The object of the utility model is achieved by:

the power connector comprises a plug and a socket, wherein the plug comprises a first shell and a power connection terminal arranged in the first shell, the upper end and the lower end of the power connection terminal are respectively provided with a plug-in connection part and a wiring part, and the power connection terminal is integrally formed; the socket comprises a second shell and a plug terminal which can be plugged in the plug part, and the plug terminal is arranged in the second shell; one side of the first shell is provided with a locking component for being matched with the second shell.

In the above description, further, an elastic sleeve is arranged in the plugging portion, the elastic sleeve comprises two limiting snap rings and a plurality of power receiving pieces obliquely arranged between the two limiting snap rings, the plurality of power receiving pieces are sequentially arranged and distributed at the outer edges of the limiting snap rings, and the outer walls of the limiting snap rings are in contact with the inner walls of the plugging portion.

In the above description, a shrinkage notch is formed on one side of the limiting snap ring.

In the above description, the cross section of the power receiving piece is one of rectangle, circle and triangle.

In the above description, a guiding sleeve wrapping the plugging part is arranged on the first shell, the guiding sleeve can be embedded into the second shell, and a plurality of limit protrusions matched with the second shell are arranged on the guiding sleeve in an annular array.

In the above description, further, one end of the guide sleeve is provided with a first sealing ring for matching with the second housing.

In the above description, the middle part of the plug terminal is provided with a second sealing ring and a waterproof bulge for contacting with the inner wall of the second shell.

In the above description, a positioning groove is formed in the first housing corresponding to the plug-in portion, a protection sleeve capable of being inserted into the positioning groove in a matched mode is arranged on the outer side of the plug-in terminal, and a step portion matched with the locking assembly is formed in one end of the protection sleeve.

In the above description, further, the locking assembly is including retaining member and elastic component, and one side of constant head tank is provided with the blind hole that is used for holding the retaining member, and blind hole bottom and retaining member are connected respectively at the both ends of elastic component, and the upper end of retaining member is provided with the fender portion, and fender portion can remove with joint step portion or break away from with step portion in the blind hole along with the retaining member.

In the above description, a separating slot for communicating the outside is provided on one side of the blind hole, and a limiting spring plate capable of being clamped on the separating slot is provided on one side of the locking member.

The utility model has the beneficial effects that: the plug-in part for being electrically connected with the plug-in terminal and the wiring part for being connected with an external wire are both positioned on the integrally formed wiring terminal, so that the plug-in part and the wiring part can not be easily separated and broken, and the connection stability of the plug-in part and the wiring part can be effectively ensured.

Drawings

FIG. 1 is a schematic perspective view of a power connector according to the present utility model;

FIG. 2 is a schematic diagram illustrating the separation of a power connector according to the present utility model;

FIG. 3 is a cross-sectional view of a power connector according to the present utility model;

FIG. 4 is an exploded cross-sectional view of a power connector according to the present utility model;

FIG. 5 is a first cross-sectional view of a power connector of the present utility model;

FIG. 6 is an exploded view of a receptacle of the power connector of the present utility model;

FIG. 7 is an exploded view of a plug of the power connector of the present utility model;

the reference numerals in the drawings are respectively: 1-plug, 2-socket, 3-first casing, 301-guide sleeve, 302-limit protrusion, 303-positioning groove, 304-blind hole, 305-disengaging notch, 4-electric terminal, 401-plug-in part, 402-wiring part, 5-second casing, 501-protective sleeve, 502-step part, 6-plug-in terminal, 601-waterproof protrusion, 7-elastic sleeve, 701-limit snap ring, 702-electric connection piece, 703-shrink notch, 8-locking piece, 801-blocking part, 802-limit spring piece, 803-arc groove, 9-elastic piece, 10-first sealing ring, 11-second sealing ring, 12-third sealing ring, 13-insulating protective block, 14-screw fixing sleeve, 15-waterproof silica gel sleeve.

Detailed Description

The utility model is described in further detail below with reference to the drawings and the detailed description.

Embodiment one:

referring to fig. 1-7, a power connector in the embodiment includes a plug 1 and a socket 2, the plug 1 includes a first housing 3 and a power connection terminal 4 disposed in the first housing 3, the first housing 3 is injection-molded and wrapped on the outer side of the power connection terminal 4, an inserting portion 401 horizontally arranged and a wiring portion 402 vertically arranged are disposed at the upper and lower ends of the wiring terminal, and the wiring terminal is integrally formed; the socket 2 includes a second housing 5 and a plug terminal 6 that can be plugged into the plug portion 401, and the plug terminal 6 is disposed in the second housing 5.

The elastic sleeve 7 is arranged in the plug-in part 401, the elastic sleeve 7 can be a common metal drum spring in the market, the elastic sleeve 7 comprises two limit clamping rings 701 and a plurality of power connection sheets 702 which are obliquely arranged between the two limit clamping rings 701, the power connection sheets 702 are sequentially arranged and distributed at the outer edges of the limit clamping rings 701, the outer walls of the limit clamping rings 701 are contacted with the inner walls of the plug-in part 401, the inclined arrangement of the power connection sheets 702 can enable the middle part of the elastic sleeve 7 to form a limit ring smaller than the diameter of the limit clamping rings 701, the power connection sheets 702 have certain toughness, and the limit ring can be stressed to expand outwards (the maximum diameter of the limit clamping rings which can be expanded is the diameter of the limit clamping rings 701) so as to adapt to plug-in terminals 6 with different sizes.

One side of the limiting snap ring 701 is provided with a shrinkage notch 703, and the shrinkage notch 703 is arranged to be convenient for compressing the outer diameter of the elastic sleeve 7, so that the elastic sleeve 7 can be conveniently installed in the plug part 401. The cross section of the power connection piece 702 is rectangular, and in actual use, the shape of the power connection piece 702 needs to be adjusted according to the shape of the plug terminal 6, so that the plug terminal 6 and the power connection piece 702 can have good contact area, and the stability of power connection is ensured.

The first shell 3 is provided with a guide sleeve 301 wrapping the plug part 401, the guide sleeve 301 can be embedded into the protective sleeve 501 of the second shell 5, a plurality of limit protrusions 302 used for being matched with the inner wall of the protective sleeve 501 are annularly arranged on the guide sleeve 301, and the limit protrusions 302 are matched with the protective sleeve 501 in a jogged manner, so that the first shell 3 cannot rotate on the second shell 5 at will.

The lower extreme of first casing 3 is connected with through detachable screw thread fixed cover 14 and is used for carrying out complex waterproof silica gel cover 15 with wiring portion 402, waterproof silica gel cover 15 is used for carrying out the complex with external cable, and this cable is connected with wiring portion 402, is provided with third sealing washer 12 between screw thread fixed cover 14 and the first casing 3.

One end of the guide sleeve 301 is provided with a first seal ring 10 for cooperation with the second housing 5, and the middle part of the plug terminal 6 is provided with a second seal ring 11 and a waterproof protrusion 601 for contact with the inner wall of the second housing 5. The first seal ring 10, the second seal ring 11, the third seal ring 12, and the waterproof projection 601 are all used to increase waterproof sealability.

The end of the plug terminal 6 is provided with the insulation protection block 13, and the insulation protection block 13 has the function of preventing fingers from touching the plug terminal 6, avoiding damaging human bodies due to the conduction of the socket 2, and avoiding being affected by damp due to the fact that the human bodies touch the plug terminal 6, so that the conduction contact between the socket 2 and the plug 1 is unstable.

One side of the first housing 3 is provided with a locking component for being matched with the second housing 5, a positioning groove 303 is formed in the position, corresponding to the plug-in portion 401, of the first housing 3, a protection sleeve 501 capable of being matched with the plug-in positioning groove 303 is arranged on the outer side of the plug-in terminal 6, the protection sleeve 501 is used for protecting the plug-in terminal 6, damage to the plug-in terminal 6 can be effectively prevented, and a step portion 502 for being matched with the locking component is arranged at one end of the protection sleeve 501.

The locking assembly comprises a locking piece 8 and an elastic piece 9, wherein the elastic piece 9 can be a spring commonly used in the market, one side of a positioning groove 303 is provided with a blind hole 304 for accommodating the locking piece 8, two ends of the elastic piece 9 are respectively connected with the bottom of the blind hole 304 and the locking piece 8, the upper end of the locking piece 8 is provided with a blocking part 801, the locking piece 8 is pushed by the elastic piece 9 under the normal state and is limited in the blind hole 304, meanwhile, because the limiting elastic piece 802 limits, the locking piece 8 cannot fall out of the blind hole 304, when external force pushes the locking piece 8, the locking piece 8 can linearly move in the blind hole 304 to be clamped with the step part 502 through the blocking part 801 or separate from the step part 502. When the plug 1 is inserted into the socket 2, the step portion 502 at one end of the protection sleeve 501 is clamped by the blocking portion 801 of the locking member 8, so that the stability of connection between the plug 1 and the socket 2 is increased, and when the connection needs to be disconnected, the locking member 8 is separated from the step portion 502 by pressing the locking member 8, so that the plug 1 can be pulled out.

One side of the blind hole 304 is provided with a separation notch 305 which is communicated with the outside, one side of the locking piece 8 is provided with a limiting elastic piece 802 which can be clamped on the separation notch 305, and the locking piece 8 can be taken out from the blind hole 304 by pressing the limiting elastic piece 802 so as to be convenient for replacement and maintenance.

One side of the blocking part 801 is provided with an arc groove 803, the diameter of the arc groove 803 is the same as that of the positioning groove 303, and when the locking piece 8 moves to the tail end (namely, the plug 1 can be pulled out), the circle center of the arc groove 803 coincides with the circle center of the positioning groove 303, so that the plug 1 can be pulled out smoothly.

Embodiment two:

the difference between the first embodiment and the second embodiment is that the limiting snap ring 701 is rectangular, the power connection piece 702 and the limiting snap ring 701 are vertically arranged instead, and the middle part of the power connection piece 702 is recessed inwards, so that the elastic sleeve 7 can be conveniently connected and matched with the plug terminal 6 with the rectangular section.

The present utility model is not limited to the preferred embodiments, but is intended to be limited to the following description, and any modifications, equivalent changes and variations in light of the above-described embodiments will be apparent to those skilled in the art without departing from the scope of the present utility model.

Claims

1. A power connector comprising a plug and a receptacle, characterized in that:

the plug comprises a first shell and an electric connection terminal arranged in the first shell, wherein the upper end and the lower end of the wiring terminal are respectively provided with a plug-in connection part and a wiring part, and the wiring terminal is integrally formed;

the socket comprises a second shell and a plug terminal which can be plugged in the plug part, and the plug terminal is arranged in the second shell;

one side of the first shell is provided with a locking component for being matched with the second shell.

2. A power connector as defined in claim 1, wherein: elastic sleeves are arranged in the plug-in parts and comprise two limiting snap rings and a plurality of power connection sheets obliquely arranged between the two limiting snap rings, the plurality of power connection sheets are sequentially arranged and distributed at the outer edges of the limiting snap rings, and the outer walls of the limiting snap rings are in contact with the inner walls of the plug-in parts.

3. A power connector as defined in claim 2, wherein: one side of the limiting snap ring is provided with a shrinkage notch.

4. A power connector as defined in claim 2, wherein: the cross section of the power receiving sheet is one of rectangle, circle and triangle.

5. A power connector as defined in claim 1, wherein: the first shell is provided with a guide sleeve wrapping the plug-in part, the guide sleeve can be embedded into the second shell, and the guide sleeve is provided with a plurality of limiting protrusions matched with the second shell in an annular array.

6. A power connector as defined in claim 5, wherein: one end of the guide sleeve is provided with a first sealing ring which is matched with the second shell.

7. A power connector as defined in claim 1, wherein: the middle part of the plug terminal is provided with a second sealing ring and a waterproof bulge which are used for being contacted with the inner wall of the second shell.

8. A power connector according to any one of claims 1-7, wherein: the first shell corresponds the position of grafting portion and is provided with the constant head tank, and the outside of grafting terminal is provided with the protection sleeve that can cooperate and insert the constant head tank, and protection sleeve's one end is provided with and is used for carrying out complex step portion with locking component.

9. A power connector as defined in claim 8, wherein: the locking assembly comprises a locking piece and an elastic piece, wherein a blind hole for accommodating the locking piece is formed in one side of the positioning groove, the two ends of the elastic piece are respectively connected with the bottom of the blind hole and the locking piece, a blocking part is arranged at the upper end of the locking piece, and the blocking part can move in the blind hole along with the locking piece to be clamped with the step part or separate from the step part.

10. A power connector as defined in claim 9, wherein: one side of blind hole is provided with the outside notch that breaks away from of intercommunication, and one side of retaining member is provided with the spacing shell fragment that can the joint break away from the notch.