CN213692407U - Plug connector and electric connector assembly with same - Google Patents

Abstract

The utility model provides a plug connector and have this plug connector's electric connector subassembly, plug connector include insulator, fixing locate insulator's plug terminal, cover in insulator's the outer casing and rotatable install the rotation piece outside the casing, rotate the piece including relative setting and with a pair of rotor arm that the casing rotates to be connected and with it is a pair of the linking arm that the rotor arm links to each other, plug connector still has the latch fitting of installing on the linking arm, and each plug terminal includes along the relative a pair of stationary blade that sets up of direction of height and sets up respectively in the inboard a pair of contact shell fragment of corresponding stationary blade, the anterior of a pair of stationary blade sets up in order to accept the contact shell fragment along the direction of height interval, the rear portion of a pair of stationary blade is piled up the setting along the direction of height and is flat-shaped in order to. The utility model discloses plug connector and electric connector subassembly are high pressure resistant and can transmit the heavy current.

Description

Plug connector and electric connector assembly with same

Technical Field

The utility model relates to a plug connector and have this plug connector's electric connector subassembly.

Background

Conventional electrical connectors are indispensable elements in electronic and electrical devices. With the generation of electrical and electronic devices, electrical connectors have been developed into rather mature products. For the electrical connector, it is necessary to be able to contact stably and reliably transmit signals or current, generally speaking, the electrical connector assembly usually includes a plug connector and a socket connector which are mated with each other, the conductive terminals of the conventional plug connector and the socket connector are circular car-made torsion spring type, the structural difference between the two conductive terminals is large, the contact area during butt joint is limited, and therefore, the voltage and current which can be borne are limited; after the plug-in connection, the locking force between the two is insufficient, which easily causes poor electrical contact; in particular, a large locking force is required under high voltage to prevent the plug connector and the receptacle connector from being loosened to cause poor electrical contact.

In view of the above, there is a need for an improved plug connector and an electrical connector assembly having the same to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plug connector that is high pressure resistant, can transmit heavy current and have electric connector assembly of this plug connector.

In order to achieve the above object, the present invention provides a plug connector, which comprises an insulating body, a plug terminal fixed on the insulating body, a housing covering the insulating body, and a rotating member rotatably mounted outside the housing, the rotating part comprises a pair of rotating arms which are oppositely arranged and are rotatably connected with the shell and a connecting arm which connects the pair of rotating arms, the plug connector is also provided with a latch piece arranged on the connecting arm, each plug terminal comprises a pair of fixing pieces oppositely arranged along the height direction and a pair of contact spring pieces respectively arranged at the inner sides of the corresponding fixing pieces, the front parts of the pair of fixing pieces are arranged at intervals along the height direction to accommodate the contact elastic pieces, and the rear parts of the pair of fixing pieces are stacked along the height direction to be in a flat plate shape to be welded with the cable by ultrasonic wave.

As a further improvement of the utility model, each the stationary blade has the contact site that is located its front portion, is located the fixed part at its middle part and is located the welding part at its rear portion, the welding part certainly the rear end of fixed part is extended to the level backward and is formed, just the welding part appearance and the size of a pair of stationary blade are all unanimous.

As a further improvement of the present invention, the fixing portion is provided with at least one fixing hole penetrating through the fixing portion along the height direction, and the fixing holes of the pair of fixing pieces are aligned along the height direction to be disposed so that the same connecting member is inserted and the pair of fixing pieces are fixed together.

As a further improvement of the present invention, each dimension of the welding portion in the transverse direction is larger than the dimension thereof in the front-rear direction.

As a further improvement of the present invention, each of the plug terminals further has a protection portion located at a front end thereof, the protection portion being made of an insulating material and wrapping at least one of the heads of the fixing pieces.

As a further improvement of the present invention, each of the fixing pieces further has a pair of first mounting portions concavely provided on the front end of the contact portion and the outer surface thereof and a convex portion located between the pair of first mounting portions, at least one of the fixing pieces has a convex portion protruding from the head thereof, the convex portion protrudes forward from the corresponding convex portion to form, and the protection portion is integrated or assembled to cover the convex portion.

As a further improvement of the utility model, plug connector still has a pair of terminal of listening that sets up along the direction of height interval, a pair of terminal of listening is located in the transverse direction between a pair of plug terminal, each it is pipe form, each to listen the terminal the whole rectangle form that is of plug terminal.

As a further improvement of the utility model, the padlock spare includes main part, perpendicular to the main part extends the operating portion that forms and certainly the three elastic arm that the main part syntropy extended formation, the main part with the operating portion links to each other and is L shape, the padlock spare still has certainly the spacing portion that the main part projection formed, the projecting direction of spacing portion with the extending direction of elastic arm is the same.

As a further improvement of the present invention, the three elastic arms are disposed along the transverse direction at an interval, wherein the elastic arms are located in the middle, and extend in the extending direction to exceed the front end surfaces of the elastic arms, and the elastic arms located in the middle protrude to form the buckling portion at the position adjacent to the front end thereof, the buckling portion and the limiting portion are located on the same side of the elastic arms, the operation portion and the buckling portion are located on the two sides of the elastic arms which are disposed relatively.

In order to achieve the above object, the utility model also provides an electric connector assembly, electric connector assembly includes above-mentioned plug connector and the socket connector of mating with this plug connector, the lug of socket connector both sides gets into in the corresponding spout of rotor arm both sides, and drive the rotor arm rotates to initial latched state.

The utility model has the advantages that: the utility model discloses plug connector and have the electric connector component of this plug connector, the contact area of plug terminal and socket terminal when plugging into each other is enlarged to transmit great electric current, and possess the function of the multichannel parallel connection of traditional round torsional spring terminal; meanwhile, under the same through-flow condition, the plug terminal and the socket terminal are small in structure volume, the size of a product can be effectively controlled, the manufacture is convenient, and the electric performance is stable; meanwhile, the plug terminal and the cable are connected in an ultrasonic welding mode, so that the efficiency is high and the connection is stable.

Drawings

Fig. 1 is a perspective assembly view of the plug connector and the mating connector of the electrical connector assembly of the present invention in mating relationship.

Fig. 2 is a perspective view of the plug and receptacle connectors of the electrical connector assembly shown in fig. 1 when unmated.

Fig. 3 is a cross-sectional view of the electrical connector assembly of fig. 1 with the cable removed.

Fig. 4 is a perspective assembly view of the plug connector of fig. 2.

Fig. 5 is an exploded perspective view of the plug connector of fig. 4 with the cable removed.

Fig. 6 is an exploded perspective view of a plug terminal of the plug connector shown in fig. 5.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. However, the present invention is not limited to the embodiment, and the structural, method, or functional changes made by those skilled in the art according to the embodiment are all included in the scope of the present invention.

Referring to fig. 1 to 6, a plug connector and an electrical connector assembly having the same according to the present invention are shown, the electrical connector assembly includes a plug connector 100 and a receptacle connector 200 which are mated with each other, for convenience of description, the following description will be made with reference to a direction in which a mating end of the plug connector 100 is a front end and another end opposite to the mating end is a rear end, that is, a mating direction is a front-back direction, one direction perpendicular to the front-back direction is a height direction, and the other direction perpendicular to the front-back direction is a transverse direction.

Referring to fig. 3 to 6, the plug connector 100 includes an insulating body 1, a plug terminal 2 fixed on the insulating body 1, a housing 3 sleeved outside the insulating body 1, and a rotating member 4 rotatably installed outside the housing 3, where the rotating member 4 includes a pair of rotating arms 41 opposite to each other and rotatably connected to the housing 3, and a connecting arm 42 connecting the pair of rotating arms 41, and the plug connector 100 further has a latch 5 installed on the connecting arm 42.

The insulation body 1 comprises a main body 11, a butt joint part 12 formed by extending forward from the main body 11, and an extension part 13 extending backward from the front end of the butt joint part 12 and located outside the butt joint part 12, wherein the butt joint part 12 has two butt joint channels 121 arranged side by side in the transverse direction and a spacing part 122 separating the two butt joint channels 121 from each other. The plug terminals 2 are received in the two mating channels 121 to contact the receptacle terminals. Each of the docking passages 121 is substantially rectangular, and the two docking passages 121 are independent from each other and are not communicated with each other.

The front end of the extending portion 13 is connected to the front end of the abutting portion 12, and except for the connected portion, the extending portion 13 and the abutting portion 12 are spaced apart in the radial direction to form a receiving space (not shown) between the extending portion 13 and the abutting portion 12, the receiving space being open rearward. The extending portion 13 further has a pair of notches 131 formed by being recessed rearward from the front end thereof, and the pair of notches 131 are symmetrically disposed on both sides of the extending portion 13 in the height direction.

As shown in fig. 5 and 6, each plug terminal 2 includes a pair of fixing pieces 21 disposed opposite to each other in the height direction and a pair of contact spring pieces 23 disposed inside the corresponding fixing pieces 21, the front portions of the pair of fixing pieces 21 are disposed at intervals in the height direction to accommodate the contact spring pieces 23, and the rear portions of the pair of fixing pieces 21 are stacked in the height direction to form a flat plate shape for ultrasonic welding with the cable 8; so, it is different to adopt crimping mode connecting cable with traditional plug terminal, the utility model discloses an ultrasonic welding's mode links to each other plug terminal 2 and cable 8, not only efficient but also connect stably.

Specifically, each of the fixing pieces 21 has a contact portion 211 at a front portion thereof, a fixing portion 212 at a middle portion thereof, and a welding portion 213 at a rear portion thereof, the welding portion 213 is formed to horizontally extend rearward from a rear end of the fixing portion 212, and the welding portions 213 of the pair of fixing pieces 21 are uniform in shape and size.

The fixing portion 212 is provided with at least one fixing hole 2121 penetrating therethrough in a height direction, and the fixing holes 2121 of the pair of fixing pieces 21 are aligned in the height direction so that the same connecting piece 25 is inserted and the pair of fixing pieces 21 are fixed together.

Further, each of the soldering portions 213 has a dimension in the lateral direction larger than a dimension in the front-rear direction thereof, and each of the plug terminals 2 has a longitudinal shape extending in the front-rear direction as a whole.

In addition, each plug terminal 2 further has a protection portion 24 at the front end thereof, and the protection portion 24 is made of an insulating material and wraps the head portion of at least one of the fixing pieces 21 to prevent a user from accidentally touching the plug terminal 2 to cause a safety problem.

Furthermore, each of the fixing sheets 21 further has a pair of first mounting portions 214 recessed at the front end and the outer surface of the contact portion 211 thereof, and a convex portion 215 located between the pair of first mounting portions 214, at least one of the fixing sheets 21 has a tongue 216 protruding from the head portion thereof, the tongue 216 protrudes forward from the corresponding convex portion 215, and the protective portion 24 is integrally or assembled to cover the tongue 216.

In the present invention, the housing 3 is made of a metal material, and has a pair of tube portions 31 arranged side by side and connected to each other in a transverse direction, an accommodating portion 32 located in front of the tube portions 31, and a connecting bridge 34 connected to the pair of tube portions 31 at the upper side thereof, wherein a hanging lug 341 is formed on the upper surface of the connecting bridge 34, and the hanging lug is L-shaped and protrudes rearward from the top end thereof to form a tongue portion.

The receiving portion 32 includes an outer receiving portion 321 located at an outer side, an inner receiving portion 322 located at an inner side of the outer receiving portion 321, and a pair of pivot portions 323 protruding from both sides of the outer receiving portion 321 in a transverse direction, the pivot portions 323 are rotatably received in corresponding pivot holes 413 formed in the rotating arm 41, the outer receiving portion 321 and the inner receiving portion 322 are spaced apart from each other to form a receiving space 320 therebetween, at least a portion of the insulation body 1 is inserted into the receiving space 320, and the inner receiving portion 322 is inserted forward into a receiving space (not shown) formed by opening the insulation body 1 backward.

As shown in fig. 5, the latch 5 includes a main body 51, an operating portion 52 extending perpendicular to the main body 51, and three elastic arms 53 extending in the same direction from the main body 51, the main body 51 is connected to the operating portion 52 to form an L shape, the latch 5 further includes a limiting portion 54 extending from the main body 51, and a protruding direction of the limiting portion 54 is the same as an extending direction of the elastic arms 53.

The three elastic arms 53 are arranged at intervals along the transverse direction, wherein the elastic arms 53 at two sides are symmetrically arranged at two sides of the elastic arm 53 at the middle in the transverse direction, the elastic arm 53 at the middle extends beyond the front end surfaces of the elastic arms 53 at two sides in the extending direction, the elastic arm 53 at the middle protrudes at a position adjacent to the front end to form a buckling part 531, the buckling part 531 and the limiting part 54 are arranged at the same side of the elastic arm 53, and the operating part 52 and the buckling part 531 are arranged at two sides of the elastic arm 53 opposite to each other. The resilient arms 53 on both sides are provided with outwardly projecting slide tabs 532 on the sides thereof remote from the resilient arms 53 in the middle, the slide tabs 532 being movably received in guide slots (not shown) in the connecting arms 42 and being movable in parallel between an initial latching position and a secondary latching position.

In the present invention, the plug connector 100 further has a pair of elastic members 6 assembled outside the abutting portion 12 of the insulating body 1, and a cover is disposed on the inner receiving portion 322 and the outer sealing ring 91 and a rear cover assembly 92 installed at the rear portion of the housing 3, the rear cover assembly 92 is disposed outside the cable 8, and the pair of elastic members 6 are symmetrically disposed on two sides of the abutting portion 12 in the height direction.

Each of the elastic members 6 has a mounting portion 61 and an elastic abutting portion 62 formed by bending and extending backward from the front end of the mounting portion 61, the abutting portion 62 is outwardly arched to press against the socket housing 201 of the mating connector 200, and the mounting portion 61 has a clamping piece 611 protruding inward, so that the elastic member 6 is fixed in the notch 131 without being withdrawn.

In this embodiment, the rear cover assembly 92 includes a stopping piece 921, a shielding ring 922 and a rear cover 923 for sealing the sealing ring 91 in the housing 3, wherein the stopping piece 921 and the shielding ring 922 are installed in the housing 3.

Meanwhile, please refer to fig. 5, in the present invention, the plug connector 100 further has a pair of detecting terminals 7 arranged along the height direction at intervals, the pair of detecting terminals 7 is located between the pair of plug terminals 2 in the transverse direction, each of the detecting terminals 7 is in a circular tube shape, and each of the plug terminals 2 is in a rectangular shape as a whole.

The electrical connector assembly includes the plug connector 100 and a socket connector 200 mated with the plug connector 100, wherein the protrusions 202 on the two sides of the socket connector 200 enter the corresponding sliding slots 411 on the two sides of the rotating arm 41, and drive the rotating arm 41 to rotate towards the initial locking state.

Compared with the conventional plug connector, the plug connector 100 and the electrical connector assembly with the plug connector of the present invention have the advantages that the contact area between the plug terminal 2 and the socket terminal 203 during the opposite insertion is increased to transmit a large current, and the plug connector has the function of the multi-path parallel connection of the conventional circular torsion spring terminal; meanwhile, under the same through-flow condition, the plug terminal and the socket terminal are small in structure volume, the size of a product can be effectively controlled, the manufacture is convenient, and the electric performance is stable; meanwhile, the plug terminal 2 and the cable 8 are connected in an ultrasonic welding mode, so that the efficiency is high and the connection is stable.

Terms such as "upper," "lower," "left," "right," "front," "rear," and the like, used herein to denote relative spatial positions, are used for ease of description to describe one feature's relationship to another feature as illustrated in the figures. It will be understood that the spatially relative positional terms may be intended to encompass different orientations than those shown in the figures depending on the product presentation position and should not be construed as limiting the claims. In addition, the descriptor "horizontal" as used herein is not entirely equivalent to allowing an angular tilt along a direction perpendicular to the direction of gravity.

The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.

Claims (10)

1. The utility model provides a plug connector, its includes insulator, the fixing in insulator's plug terminal, cover are located the outer casing of insulator and rotatable the installing in rotate the piece outside the casing, rotate the piece including relative setting and with the casing rotates a pair of rotor arm of being connected and will be a pair of the linking arm that the rotor arm links to each other, plug connector still have install in padlock spare on the linking arm, its characterized in that: each plug terminal comprises a pair of fixing pieces and a pair of contact elastic pieces, wherein the fixing pieces are oppositely arranged in the height direction, the contact elastic pieces are respectively arranged on the inner sides of the corresponding fixing pieces, the front parts of the fixing pieces are arranged at intervals in the height direction to accommodate the contact elastic pieces, and the rear parts of the fixing pieces are stacked in the height direction to be in a flat plate shape to be welded with a cable in an ultrasonic mode.

2. The plug connector of claim 1, wherein: each fixing piece is provided with a contact part positioned at the front part of the fixing piece, a fixing part positioned at the middle part of the fixing piece and a welding part positioned at the rear part of the fixing piece, the welding part is formed by horizontally extending backwards from the rear end of the fixing part, and the appearance and the size of the welding part of the pair of fixing pieces are consistent.

3. The plug connector of claim 2, wherein: the fixing part is provided with at least one fixing hole penetrating through the fixing part along the height direction, and the fixing holes of the pair of fixing pieces are aligned along the height direction so as to be inserted by the same connecting piece and fix the pair of fixing pieces together.

4. The plug connector of claim 2, wherein: the dimension of each of the welded portions in the lateral direction is larger than the dimension thereof in the front-rear direction.

5. The plug connector of claim 2, wherein: each plug terminal is also provided with a protective part positioned at the front end of the plug terminal, and the protective part is made of insulating materials and wraps the head part of at least one fixing sheet.

6. The plug connector of claim 5, wherein: each fixing piece is also provided with a pair of first installation parts which are concavely arranged at the front end and the outer surface of the contact part of the fixing piece and a convex part which is positioned between the pair of first installation parts, at least one fixing piece is provided with a convex tongue which is convexly arranged at the head part of the fixing piece, the convex tongue is formed by forwards protruding from the corresponding convex part, and the protective part is integrally or assembled and coated outside the convex tongue.

7. The plug connector of claim 2, wherein: the plug connector is further provided with a pair of detection terminals arranged at intervals along the height direction, the pair of detection terminals are located between the pair of plug terminals in the transverse direction, each detection terminal is in a circular tube shape, and each plug terminal is integrally rectangular.

8. The plug connector of claim 2, wherein: the padlock piece includes the main part, perpendicular to the main part extends the operation portion that forms and certainly the three elastic arm that the main part syntropy extended formation, the main part with the operation portion links to each other and is the L shape, the padlock piece still has certainly spacing portion that the main part projection formed, the projecting direction of spacing portion with the extending direction of elastic arm is the same.

9. The plug connector of claim 8, wherein: the three elastic arms are arranged at intervals along the transverse direction, wherein the elastic arm positioned in the middle extends beyond the front end faces of the elastic arms positioned on two sides in the extending direction of the elastic arm, the elastic arm positioned in the middle extends to form a buckling part at a position close to the front end of the elastic arm, the buckling part and the limiting part are positioned on the same side of the elastic arm, and the operation part and the buckling part are positioned on two sides of the elastic arm, which are opposite to each other.

10. An electrical connector assembly, comprising: the electrical connector assembly comprises the plug connector as claimed in any one of claims 1 to 9 and a socket connector mated with the plug connector, wherein the projections on both sides of the socket connector enter the corresponding sliding grooves on both sides of the rotating arm and drive the rotating arm to rotate towards an initial locking state.

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