CN113036524A

CN113036524A - Electric connector and electric connector combination

Info

Publication number: CN113036524A
Application number: CN202110186096.5A
Authority: CN
Inventors: 李元辉
Original assignee: Zhongshan Yide Electronics Co ltd
Current assignee: Zhongshan Yide Electronics Co ltd
Priority date: 2021-02-15
Filing date: 2021-02-15
Publication date: 2021-06-25
Anticipated expiration: 2041-02-15
Also published as: CN113036524B

Abstract

The invention discloses an electrical connector and an electrical connector combination. The electrical connector is used for inserting a plug terminal of a butt connector along a first direction. A locking device rotatably arranged on the socket housing, the locking device includes a locking portion and a pivot structure, the locking portion follows the movement of the locking device and is located at a first position or a second position, and the locking device drives the conductive component to move to move Contact or disconnect with the plug terminal; when the locking portion is in the first position, the conductive component is not in contact with the plug terminal, and when the locking portion moves from the first position to the second position, the locking device drives the conductive component along the second The direction moves toward the plug terminal and finally comes into contact with the plug terminal, while the locking part cooperates with the butt connector to lock the electrical connector and the butt connector, achieving zero insertion force, making the operation simple, cost saving and convenient design, and at the same time Make sure that the conductive components and plug terminals have sufficient resistance.

Description

Electric connector and electric connector combination

[ technical field ] A method for producing a semiconductor device

The present invention relates to an electrical connector and an electrical connector assembly, and more particularly, to an electrical connector and an electrical connector assembly capable of realizing zero insertion force.

[ background of the invention ]

The existing high-current connector assembly comprises an electric connector and a butting connector, when the electric connector is butted with the butting connector along a first direction, enough abutting force needs to be ensured to be provided for a terminal of the electric connector and a terminal of the butting connector along a second direction so as to ensure normal use of the electric connector and the butting connector, correspondingly, the plugging force during plugging and unplugging along the first direction is large, the plugging and unplugging use of the electric connector and the butting connector is inconvenient, and the working efficiency is influenced.

For example, the high-current wire spring contact module structure of chinese patent CN202010408449.7 includes a first wire spring set, a second wire spring set, a first terminal, and a second terminal, wherein the first wire spring set is arranged at an interval up and down to form a gap, and the thicknesses of the first terminal and the second terminal are both slightly larger than the width of the gap, when the first terminal and the second terminal are inserted into the gap and pulled out from the gap in the left-right direction, a large insertion force needs to be applied to affect the insertion and pulling operation, and in the insertion and pulling process, due to the large insertion force, the first terminal and the second terminal are scraped by the first wire spring set and the second wire spring set, which causes the abrasion of the first terminal and the second terminal, so that the resistances of the first terminal and the second terminal become large, which causes the electrical loss of the first terminal and the second terminal in the current transmission process to become large, which affects the current transmission efficiency.

Therefore, there is a need to design a new electrical connector and electrical connector assembly to overcome the above problems.

[ summary of the invention ]

In view of the problems encountered in the background art, an object of the present invention is to provide an electrical connector and an electrical connector assembly, in which a locking device is set to control a conductive component to contact or disconnect with a plug terminal along a second direction, so as to ensure that the conductive component and the plug terminal have sufficient abutting force while achieving zero insertion force docking of the electrical connector and a docking connector.

In order to achieve the purpose, the invention adopts the following technical means:

an electrical connector for insertion of plug terminals of a mating connector in a first direction, comprising:

a socket housing having an accommodating cavity;

at least one conductive component accommodated in the accommodating cavity;

the locking device is rotatably arranged on the socket shell and comprises a locking part and a pivoting structure, the pivoting structure is pivoted with the socket shell, the conductive component is connected with the locking device, the locking part moves along with the locking device and is located at a first position or a second position, and the locking device drives the conductive component to move so as to be in contact with or disconnected from the plug terminal;

when the locking part is located at the first position, the plug terminal of the butting connector is inserted into the accommodating cavity, the conductive component is not contacted with the plug terminal, when the locking part moves from the first position to the second position, the locking device drives the conductive component to move towards the plug terminal along a second direction perpendicular to the first direction and finally to be contacted with the plug terminal, and meanwhile, the locking part is matched with the butting connector to lock the electric connector with the butting connector.

Further, the conducting component comprises an insulator and a contact piece arranged on the insulator, the locking device comprises a sliding track, the insulator comprises a protruding connecting column, the connecting column is in contact with the sliding track, the pivoting structure is provided with a pivot axis, the sliding track is provided with a first end and a second end, in the process that the locking part moves from the first position to the second position, the connecting column slides from the first end to the second end, the distance from the connecting column to the pivot axis along the second direction is reduced from large to small, and the contact piece moves along the second direction along the insulator to be in contact with or disconnected from the plug terminal.

Further, the contact includes at least one contact spring including a fixing portion fixed to the insulator, and a contact portion for contacting the plug terminal, the contact portion being offset from the fixing portion in the second direction toward a direction away from the insulator, a gap being provided between the contact portion and the insulator in the second direction, the contact portion contacting the plug terminal and being elastically deformed so that the gap becomes smaller during movement of the locking portion from the first position to the second position.

Further, at least one strip-shaped hole is formed in the second direction and penetrates through the contact portion, the fixing portions are provided with two strip-shaped holes and are perpendicular to the first direction and the third direction of the second direction, the two strip-shaped holes are formed in the two sides of the contact portion, and the strip-shaped holes extend along the third direction.

The socket terminal is fixed on the socket shell and partially positioned in the accommodating cavity, when the locking part is positioned at the second position, the socket terminal and the plug terminal are arranged at intervals, and the contact reeds are electrically contacted with the socket terminal and the plug terminal along the second direction.

Furthermore, the insulator also comprises a hollow body, the connecting column protrudes from two sides of the body, and the contact piece is fixed on the outer surface of the body.

Further, locking device including connect in the rotation portion in the socket casing outside, pivot structure with the slip track is located rotation portion, the socket casing has the edge the guiding hole that the second direction extends, the spliced pole passes the guiding hole stretches out the socket casing outside, the guiding hole is followed the size of second direction is greater than the spliced pole is followed the size of second direction, the spliced pole by the slip track drives the edge the guiding hole is followed the second direction removes.

Further, the guide hole extends linearly in the second direction, and the slide rail is arc-shaped.

Further, the number of the conductive assemblies is two, the insulators of the two conductive assemblies are respectively located on two sides of the plug terminal along the second direction, the contact elements of the two conductive assemblies are respectively located on two sides of the plug terminal along the second direction, the two sliding rails are respectively located on two sides of the pivot structure, and the two guide holes are respectively located on two sides of the pivot structure along the second direction.

Further, the conductive assembly has a connecting structure connected to the latch, the pivot structure has a pivot axis, and when the latch is located at the first position, the connecting structure is located at a first distance from the pivot axis along the second direction; when the locking part is located at the second position, the distance from the connecting structure to the pivot axis along the second direction is a second distance; the first distance is greater than the second distance.

And an electrical connector assembly comprising an electrical connector and a mating connector, the electrical connector for insertion of a plug terminal of the mating connector into the mating connector in a first direction, the electrical connector comprising:

a socket housing having an accommodating cavity;

at least one conductive element accommodated in the accommodating cavity, wherein the conductive element can be contacted with the plug terminal along a second direction perpendicular to the first direction;

the locking device is rotatably arranged on the socket shell and comprises a locking part and a pivoting structure, the pivoting structure is pivoted with the socket shell and is provided with a pivot axis, the conductive assembly is provided with a connecting structure connected with the locking device, the locking part rotates along with the locking device and is positioned at a first position or a second position, and the locking device drives the conductive assembly to be close to or far away from the plug terminal along the second direction;

when the locking part is located at the first position, the electric connector is unlocked from the butting connector, the conductive assembly and the plug terminal are arranged at intervals along the second direction, and the distance from the connecting structure to the pivot axis along the second direction is a first distance; in the process that the locking part rotates from the first position to the second position, the interval between the conductive component and the plug terminal along the second direction is reduced, when the locking part is located at the second position, the electric connector is in locking fit with the butting connector, the conductive component is in electric contact with the plug terminal, the distance from the connecting structure to the pivot axis along the second direction is a second distance, and the first distance is greater than the second distance.

Further, the conductive assembly has an outer surface opposite to the inner wall of the socket housing, the connection structure is a connection post protruding from the outer surface, the plug terminal is fixed in the plug housing of the mating connector, and when the locking portion is located at the second position, a part of the plug housing is located between the outer surface and the inner wall of the socket housing.

Further, locking device is still including being located respectively socket casing is along two linking arms of the both sides of third direction, each be connected with rotation portion on the linking arm, pivot structure locates rotation portion, lock catch portion connects two the linking arm, lock catch portion be used for with the buckling piece lock of butting connector, lock catch portion be equipped with be used for with buckling piece complex dovetail fluting, be equipped with the dovetail guide rail on the plug casing of butting connector, buckling piece with guide rail sliding fit and slide to the fluting with lock catch portion lock.

Further, the buckling piece comprises a sliding body and a buckling arm connected with the sliding body, the sliding body is in sliding fit with the guide rail, a locking hook is arranged at one end of the buckling arm, a pressing portion used for pressing for unlocking is arranged at the other end of the buckling arm, the locking portion is provided with a locking surface adjacent to the groove, the locking surface is used for being buckled with the locking hook, when the locking portion is located at the second position, the sliding body is in fit with the groove, the locking hook is buckled on the locking surface, and the locking portion is located between the buckling arm and the sliding body along the second direction.

Further, the conductive assembly includes an insulator and at least one contact spring provided on the insulator, the contact spring includes a fixing portion fixed to the insulator and a contact portion for contacting the plug terminal, the contact portion is offset from the fixing portion in the second direction toward a direction away from the insulator, a gap is provided between the contact portion and the insulator in the second direction, and the contact portion contacts the plug terminal and is elastically deformed so that the gap becomes smaller during the movement of the locking portion from the first position to the second position.

Compared with the prior art, the invention has the following beneficial effects:

the locking part rotates along with the locking device and is positioned at a first position or a second position, and the locking device drives the conductive assembly to displace along the second direction so as to be contacted with or disconnected from the plug terminal; when the locking part is located at the first position, the plug terminal of the butting connector is inserted into the accommodating cavity, the conductive component is not contacted with the plug terminal, so that zero insertion force is realized when the butting connector is inserted into the electric connector, when the locking part moves from the first position to the second position, the locking device drives the conductive component to move towards the plug terminal along the second direction and finally to be contacted with the plug terminal, and meanwhile, the locking part is matched with the butting connector to lock the electric connector and the butting connector, so that the conductive component and the plug terminal have enough abutting force to keep a stable contact state, and normal electric connection of the electric connector and the butting connector is ensured; when the locking part is unlocked from the butting connector and moves from the second position to the first position, the locking device drives the conductive component to move away from the plug terminal along the second direction, at the moment, the conductive component and the plug terminal return to a non-contact state until the locking part is located at the first position, and when the conductive component and the plug terminal are not in contact, the butting connector can be pulled out from the electric connector along the first direction without difficulty, so that zero pulling force is realized, the operation is simple, the cost is saved, and the design is convenient.

[ description of the drawings ]

Fig. 1 is a perspective view of an electrical connector assembly when a locking portion is in a first position according to an embodiment of the present invention;

fig. 2 is a perspective view of the electrical connector assembly when the locking portion is located at the second position according to the embodiment of the present invention;

fig. 3 is an exploded perspective view of the electrical connector of fig. 1;

fig. 4 is an exploded perspective view of the docking connector of fig. 1;

FIG. 5 is a cross-sectional view of FIG. 1;

fig. 6 is a cross-sectional view of the docking connector of fig. 1 further inserted into an electrical connector;

FIG. 7 is a cross-sectional view of FIG. 2;

FIG. 8 is a side view of the electrical connector of FIG. 1 with the receptacle housing and plug housing removed;

FIG. 9 is a perspective view of the electrical connector of FIG. 2 with the receptacle housing and the plug housing removed;

FIG. 10 is a side view of FIG. 9;

FIG. 11 is a perspective view of a conductive assembly according to an embodiment of the present invention;

fig. 12 is a front view of fig. 11.

Detailed description of the embodiments reference is made to the accompanying drawings in which:

electrical connector assembly 100	Electrical connector 200	Plug housing 1	Accommodating cavity 11
				Guide hole 12	Conductive component 2	Insulator 21	Body 211
Outer surface 212	Connecting post 213	Contact spring piece 22	Fixing part 221
				Contact 222	Strip shaped aperture 223	Socket terminal 3	Locking device 4
Rotating part 41	Pivoting structure 411	Sliding rail 412	First end 4121
				Second end 4122	Connecting arm 42	Locking part 43	Slotted 431
Latch face 432	Docking connector 300	Plug housing 5	Accommodating chamber 51
				Abutting wall 52	Guide rail 53	Plug terminal 6	Fastener 7
Sliding body 71	Retaining arm 72	Latch hook 721	Pressing part 722
				Pivot axis L	First distance d1	Second distance d2

[ detailed description ] embodiments

For the purpose of promoting a better understanding of the objects, structures, features, and functions of the invention, reference should now be made to the drawings and detailed description of the invention.

As shown in fig. 1 and fig. 2, the electrical connector assembly 100 of the present invention includes an electrical connector 200 and a mating connector 300, wherein the electrical connector 200 is used for inserting the plug terminal 6 of the mating connector 300 along a first direction, in this embodiment, the electrical connector 200 is a high-voltage high-current connector, but in other embodiments, the electrical connector 200 may also be other automotive connectors. For convenience of description, a direction in which the electrical connector 200 is mated with the mating connector 300 is set as a first direction, the first direction is a front-back direction, wherein an X axis is the first direction, i.e., the front-back direction, an arrow direction of the X axis is a front direction, a Y axis is a second direction, i.e., an up-down direction, an arrow direction of the Y axis is an upward direction, a Z axis is a third direction, i.e., a left-right direction, and an arrow direction of the Z axis is a right direction.

As shown in fig. 1, 2, 6, and 7, the electrical connector 200 includes a socket housing 1, a conductive element 2, and a locking device 4, wherein the socket housing 1 has a receiving cavity 11, the conductive element 2 is received in the receiving cavity 11, the conductive element 2 can contact with the plug terminal 6 along the second direction perpendicular to the first direction, the locking device 4 is rotatably disposed on the socket housing 1, the locking device 4 includes a locking portion 43 and a pivoting structure 411, the pivoting structure 411 is pivotally connected to the socket housing 1, the conductive element 2 is connected to the locking device 4, the locking portion 43 is located at a first position or a second position following the rotation of the locking device 4, and the locking device 4 drives the conductive element 2 to move to contact with or disconnect from the plug terminal 6; when the locking portions 43 are located at the first position, the plug terminals 6 of the mating connector 300 are inserted into the receiving cavities 11, the conductive members 2 are not in contact with the plug terminals 6, so that zero insertion force is achieved when the mating connector 300 is inserted into the electrical connector 200, when the locking portions 43 move from the first position to the second position, the locking device 4 drives the conductive member 2 to move toward the plug terminal 6 along the second direction and finally to contact with the plug terminal 6, while the locking portions 43 are engaged with the counterpart connector 300 to lock the electrical connector 200 with the counterpart connector 300, so that the conductive member 2 and the plug terminal 6 have a sufficient holding force to maintain a stable contact state, to ensure the electrical connector 200 and the docking connector 300 are normally electrically connected; when the locking portion 43 is unlocked from the mating connector 300 and moves from the second position to the first position, the locking device 4 drives the conductive component 2 to move away from the plug terminal 6 along the second direction, and at this time, the conductive component 2 and the plug terminal 6 return to the non-contact state until the locking portion 43 is located at the first position, and when the conductive component 2 and the plug terminal 6 are not in contact, the mating connector 300 can be easily pulled out from the electrical connector 200 along the first direction, so that zero pull-out force is realized, the operation is simple, the cost is saved, and the design is convenient.

As shown in fig. 6, 7, 8 and 10, the pivoting structure 411 is pivotally connected to the receptacle housing 1 and has a pivot axis L, the conductive element 2 is connected to the latch device 4 and has a connecting structure connected to the latch device 4, when the latch portion 43 is located at the first position, the electrical connector 200 is not locked with the mating connector 300, the conductive element 2 and the plug terminal 6 are spaced apart from each other along the second direction, and the distance from the connecting structure along the second direction to the pivot axis L is a first distance d 1; the interval between the conductive component 2 and the plug terminal 6 along the second direction decreases in the process of moving the locking portion 43 from the first position to the second position, when the locking portion 43 is located at the second position, the electrical connector 200 is in locking fit with the docking connector 300, the conductive component 2 is in electrical contact with the plug terminal 6, and the distance from the connecting structure to the pivot axis L along the second direction is a second distance d 2; the first distance d1 is greater than the second distance d 2.

As shown in fig. 1, 3 and 8, the locking device 4 includes a rotating portion 41 connected to the outside of the receptacle housing 1, a sliding rail 412 disposed on the rotating portion 41, and connecting arms 42, the rotating portion 41 and the connecting arms 42 both have two and are disposed on two sides of the receptacle housing 1 along the third direction, the third direction is perpendicular to the first direction and the second direction, one rotating portion 41 is connected to each connecting arm 42, the locking portion 43 is connected between two connecting arms 42, the pivoting structure 411 is disposed on the rotating portion 41, the locking portion 43 is provided with a dovetail-shaped slot 431 and a locking surface 432 adjacent to the slot 431, and the receptacle housing 1 has a guiding hole 12 extending along the second direction. The guide hole 12 extends linearly along the second direction to facilitate machining, the sliding rail 412 is arc-shaped, and the sliding rail 412 has a first end 4121 and a second end 4122 respectively located at two ends of the arc-shaped sliding rail 412. In this embodiment, the pivot structure 411 is a pivot hole, and a protruding shaft on the socket housing 1 extends into the pivot hole to realize pivot connection. In other embodiments, the pivoting structure 411 may be a slot that does not penetrate through the rotating portion 41 for the protruding shaft to extend into, or the pivoting structure 411 may be a protruding shaft, and the socket housing 1 is provided with a concave slot or hole, which is not limited herein, as long as the latching device 4 is pivoted with the socket housing 1 to move the latching portion 43 from the first position to the second position and to move the conductive component 2 toward or away from the plug terminal 6 along the second direction.

As shown in fig. 3, 6 and 7, the conductive member 2 is provided with two and respectively located at both sides of the plug terminal 6 along the second direction, each conductive member 2 includes an insulator 21 and a contact member provided on the insulator 21, the insulator 21 is connected to the sliding rail 412, the insulator 21 has the connection structure connected to the sliding rail 412, the insulator 21 is defined by the sliding rail 412, and the contact member moves along the second direction following the insulator 21 to contact with or disconnect from the plug terminal 6. The insulator 21 is provided to save cost, and has a cushioning effect on the contact when contacting with the plug terminal 6, and the insulator 21 has an insulating effect, increasing safety. The insulators 21 of the two conductive members 2 are respectively located on two sides of the plug terminal 6 along the second direction, and the contact members of the two conductive members 2 are respectively located on two sides of the plug terminal 6 along the second direction, so that the contact between the contact members and the plug terminal 6 is more stable, and the contact between the contact members and the plug terminal 6 is ensured. The two sliding rails 412 are correspondingly disposed and respectively located at two sides of the pivoting structure 411, and the two guiding holes 12 are correspondingly disposed and respectively located at two sides of the pivoting structure 411 along the second direction. In other embodiments, the conductive member 2 may be the contact member integrally formed, or the conductive member 2 may include a member made of other material and separately connected to the contact member.

As shown in fig. 11 and 12, the insulator 21 includes a hollow body 211, connection posts 213 protruding from two sides of the body 211 along the third direction, the connection structure is the connection posts 213, the body 211 has an outer surface 212 opposite to the inner wall of the receptacle housing 1, the connection posts 213 protrude from the outer surface 212, and the contacts are fixed to the outer surface 212 of the body 211. The connecting column 213 passes through the guide hole 12 and extends out of the socket housing 1, the dimension of the guide hole 12 in the second direction is greater than the dimension of the connecting column 213 in the second direction, the connecting column 213 is in contact with the sliding rail 412 and is driven by the sliding rail 412 to move along the guide hole 12 in the second direction, the connecting column 213 is guided and limited by the guide hole 12 arranged on the socket housing 1, the dimension of the guide hole 12 in the second direction is greater than the dimension of the connecting column 213 in the second direction, so that the connecting column 213 has enough space to move along the guide hole 12, the connecting column 213 is in contact with the sliding rail 412, so that the connecting column 213 is limited by the sliding rail 412, the connecting column 213 is more stable in the moving process, and the insulator 21 is not easy to shake in the moving process, thereby making the contact with the plug terminal 6 more stable. During the process of moving the locking portion 43 from the first position to the second position, the connecting column 213 slides from the first end 4121 to the second end 4122, and the distance from the connecting column 213 to the pivot axis L along the second direction decreases; during the process of moving the locking portion 43 from the second position to the first position, the connecting rod 213 slides from the second end 4122 to the first end 4121, and the distance from the connecting rod 213 to the pivot axis L along the second direction increases. At this time, since the connecting column 213 is driven by the locking device 4 to move up and down along the guide hole 12, correspondingly, the distance from the corresponding position on the connecting column 213 to the pivot axis L changes, and the distance is the distance from the central axis of the connecting column 213 to the pivot axis L along the second direction. In other embodiments, the connecting structure may also be a connecting hole, and the rotating portion 41 is correspondingly provided with a protruding structure to connect with the connecting hole. In other embodiments, the cross section of the connecting column 213 may also have other shapes, and correspondingly, the distance between the central axis of the connecting column 213 with the cross section having other shapes and the pivot axis L changes correspondingly during the rotation of the locker 4, which is not limited herein.

As shown in fig. 11 and 12, the body 211 has a through hole so that the body 211 is hollow, so that the weight of the body 211 is reduced, which is beneficial for the locker 4 to drive the insulator 21 to move and simultaneously move the contact and finally make electrical contact with the plug terminal 6, and meanwhile, the material of the insulator 21 is light, so that the locker 4 can drive the conductive component 2 to move more easily. The through hole penetrates the body 211 along the first direction, and the size of the through hole is larger than twice the wall thickness of the body 211.

As shown in fig. 6, 7, 11 and 12, the contact member is a contact spring 22, the contact spring 22 includes a fixing portion 221 fixed on the insulator 21, and a contact portion 222 for contacting with the plug terminal 6, the fixing portion 221 is provided with two and is respectively provided on both sides of the contact portion 222 along the third direction, the contact portion 222 is offset from the fixing portion 221 along the second direction toward a direction away from the insulator 21, a gap is provided between the contact portion 222 and the insulator 21 along the second direction, during the movement of the locking portion 43 from the first position to the second position, the contact portion 222 contacts with the plug terminal 6 and is elastically deformed so that the gap becomes smaller, and by making the contact portion 222 of the contact spring 22 have enough elasticity to increase the forward contact force of the contact portion 222 with the plug terminal 6, the contact portion 222 and the plug terminal 6 are ensured to be stably contacted. In other embodiments, the contact may also include a plurality of the contact springs 22, or the contact is not limited to the contact springs 22 but a flat terminal, as long as the contact can electrically contact with the plug terminal 6.

As shown in fig. 12, a plurality of strip-shaped holes 223 penetrate through the contact portion 222 in the second direction, and the strip-shaped holes 223 extend in the third direction to increase the elasticity of the contact portion 222 and further increase the positive contact force of the contact portion 222 and the plug terminal 6. The strip-shaped hole 223 extends to the fixing portion 221 along the third direction, so as to lengthen the length of the strip-shaped hole 223 and further increase the elasticity of the contact portion 222. In other embodiments, only one of the strip-shaped holes 223 may be provided, which is not limited herein.

As shown in fig. 5 to 7, the electrical connector 200 further includes a socket terminal 3, the socket terminal 3 is fixed to the socket housing 1 and partially located in the receiving cavity 11, the latching portion 43 is spaced apart from the socket terminal 3 and the plug terminal 6 during moving from the first position to the second position, the contact spring 22 moves toward the socket terminal 3 along the second direction, the socket terminal 3 and the plug terminal 6 are spaced apart from each other when the latching portion 43 is located at the second position, the contact spring 22 is in electrical contact with the socket terminal 3 and the plug terminal 6 along the second direction, so that the socket terminal 3 and the plug terminal 6 are electrically conducted through the contact spring 22, the socket terminal 3 and the plug terminal 6 are not directly connected, during current transmission, the contact spring pieces 22 have an overcurrent function, and a current buffering function is formed between the receptacle terminal 3 and the plug terminal 6 to prevent the receptacle terminal 3 and the plug terminal 6 from being damaged by an excessive current.

As shown in fig. 4 to 7, the docking connector 300 includes a plug housing 5 and a retainer 7 mounted on the plug housing 5, the plug terminal 6 is fixed in the plug housing 5, one end of the plug terminal 6 near the contact does not exceed the plug housing 5, the plug housing 5 has a receiving cavity 51 for receiving the body 211 and a docking wall 52 enclosing the receiving cavity 51, when the locking portion 43 is located at the second position, the plug terminal 6 is in electrical contact with the contact spring 22, the docking wall 52 is located between the outer surface 212 of the body 211 and the socket housing 1, wherein the docking wall 52 is a part of the plug housing 5, that is, a part of the plug housing 5 is located between the outer surface 212 and the inner wall of the socket housing 1, so that the docking wall 52 of the plug housing 5 is limited between the body 211 and the socket housing 1, when in butt joint, the plug terminal 6 is not easy to shake, and the good contact between the plug terminal 6 and the contact reed 22 is ensured.

As shown in fig. 1, 2, 4 and 7, the plug housing 5 is provided with a dovetail-shaped guide rail 53, and the latching member 7 is slidably engaged with the guide rail 53 and slidably engaged with the slot 431 and the latching portion 43. By providing the dovetail-shaped slot 431 and the dovetail-shaped guide rail 53, the retainer 7 can stably slide along the guide rail 53 during locking and unlocking the electrical connector 200, and is not easily detached from the plug housing 5. The latching member 7 includes a sliding body 71 slidably engaged with the guide rail 53 and a latching arm 72 connected to the sliding body 71, one end of the latching arm 72 has a latch hook 721, the other end of the latching arm 72 has a pressing portion 722 for pressing and unlocking, the latching surface 432 is used for latching with the latch hook 721, when the latching portion 43 is located at the second position, the latching portion 43 is located outside the receptacle housing 1 and located at one side of the mating connector 300 along the second direction, the sliding body 71 is engaged with the slot 431, the latch hook 721 is latched on the latching surface 432, and the latching portion 43 is located between the latching arm 72 and the sliding body 71 along the second direction.

The working principle is as follows: as shown in fig. 5 and 6, first, the locking portion 43 is located at the first position, the abutting wall 52 of the mating connector 300 is inserted into the receiving cavity 11, the socket terminal 3 is spaced from the plug terminal 6, the contact spring 22 of each conductive assembly 2 is spaced from the socket terminal 3 and the plug terminal 6 along the second direction, and the locking portion 43 and the locking member 7 are not locked, so that the electrical connector 200 and the mating connector 300 are not locked; then, applying force to the locking portions 43, so that the locking portions 43 move from the first position to the second position, the locking portions 43 approach toward the retainer 7, the interval between the contact spring pieces 22 and the receptacle terminals 3 and the plug terminals 6 becomes smaller, and in the process, the contact portions 222 of the contact spring pieces 22 contact the plug terminals 6 and the receptacle terminals 3 and are elastically deformed; as shown in fig. 7, finally, the latching portions 43 are located at the second position, and the latching members 7 are pushed to slide leftward along the guide rails 53 to the slots 431 and make the latching hooks 721 latch on the latching surfaces 432 of the latching portions 43, so that the electrical connector 200 and the mating connector 300 are locked and mated, and the elastic deformation of the contact portions 222 of the contact springs 22 is terminated. If the locking portion 43 is disengaged from the retaining member 7, the pressing portion 722 is pressed to disengage the locking hook 721 from the locking portion 43, and at this time, the retaining member 7 is pushed to slide rightward along the guide rail 53 to unlock the electrical connector 200 and the mating connector 300, and then a force can be applied to the locking portion 43 to rotate the locking portion 43 from the second position to the first position, and in the process of rotating the locking portion 43 from the second position to the first position, the contact portion 222 is elastically restored, and finally the locking portion 43 is located at the first position, and at this time, the contact spring pieces 22 are spaced from the plug terminal 6 and the receptacle terminal 3 in the second direction, and the operation is repeated.

In summary, the electrical connector 200 and the electrical connector assembly 100 of the present invention have the following advantages:

(1) the locking part 43 is located at the first position or the second position following the rotation of the locking device 4, and the locking device 4 drives the conductive component 2 to move to contact with or disconnect from the plug terminal 6; when the locking portions 43 are located at the first position, the plug terminals 6 of the mating connector 300 are inserted into the receiving cavities 11, the conductive members 2 are not in contact with the plug terminals 6, so that zero insertion force is achieved when the mating connector 300 is inserted into the electrical connector 200, when the locking portions 43 move from the first position to the second position, the locking device 4 drives the conductive member 2 to move toward the plug terminal 6 along the second direction and finally to contact with the plug terminal 6, while the locking portions 43 are engaged with the counterpart connector 300 to lock the electrical connector 200 with the counterpart connector 300, so that the conductive member 2 and the plug terminal 6 have a sufficient holding force to maintain a stable contact state, to ensure the electrical connector 200 and the docking connector 300 are normally electrically connected; when the locking portion 43 is unlocked from the mating connector 300 and moves from the second position to the first position, the locking device 4 drives the conductive component 2 to move away from the plug terminal 6 along the second direction, and at this time, the conductive component 2 and the plug terminal 6 return to the non-contact state until the locking portion 43 is located at the first position, and when the conductive component 2 and the plug terminal 6 are not in contact, the mating connector 300 can be easily pulled out from the electrical connector 200 along the first direction, so that zero pull-out force is realized, the operation is simple, the cost is saved, and the design is convenient.

(2) The conductive member 2 includes an insulator 21 and the contact member provided on the insulator 21, the locker 4 includes a slide rail 412, the insulator 21 includes a protruding connection post 213, the connection post 213 is in contact with the slide rail 412, and the contact member moves in the second direction to be in contact with or disconnected from the plug terminal 6 following the insulator 21. The insulator 21 is arranged to save cost, has a buffer function when the contact is contacted with the plug terminal 6, and has an insulation function, so that the safety is improved; further, the connection post 213 is in contact with the slide rail 412 so that the connection post 213 is defined by the slide rail 412, the connection post 213 is more stable during movement, and the insulator 21 is less prone to shaking during movement, thereby making the contact member more stable in contact with the plug terminal 6.

(3) During the movement of the locking portions 43 from the first position to the second position, the contact portions 222 are brought into contact with the plug terminal 6 and elastically deformed so that the gap becomes smaller, and by making the contact portions 222 of the contact springs 22 have sufficient elasticity to increase the forward contact force of the contact portions 222 with the plug terminal 6, the contact portions 222 and the plug terminal 6 are ensured to be in stable contact.

(4) The plurality of strip-shaped holes 223 penetrate through the contact portion 222 along the second direction, the two fixing portions 221 are disposed on two sides of the contact portion 222 along the third direction perpendicular to the first direction and the second direction, and the strip-shaped holes 223 extend along the third direction to increase the elasticity of the contact portion 222 and further increase the positive contact force between the contact portion 222 and the plug terminal 6.

(5) When the locking portion 43 is located at the second position, the socket terminal 3 and the plug terminal 6 are spaced apart from each other, and the contact spring 22 is electrically contacted with the socket terminal 3 and the plug terminal 6 along the second direction, so that the socket terminal 3 and the plug terminal 6 are electrically conducted through the contact spring 22, and the socket terminal 3 and the plug terminal 6 are not directly connected to each other, and in the current transmission process, the contact spring 22 has an overcurrent function, and forms a current buffering function between the socket terminal 3 and the plug terminal 6, thereby avoiding damage to the socket terminal 3 and the plug terminal 6 due to an excessive current.

(6) The insulator 21 comprises a hollow body 211 and connecting posts 213 protruding from two sides of the body 211 along the third direction, the contact is fixed on the outer surface 212 of the body 211, so that the weight of the body 211 is reduced, the latch device 4 is favorable for driving the insulator 21 to move, and the contact moves and finally can be electrically contacted with the plug terminal 6, meanwhile, the material of the insulator 21 is light, so that the latch device 4 can drive the conductive component 2 to move more easily.

The above detailed description is only for the purpose of illustrating the preferred embodiments of the present invention, and not for the purpose of limiting the scope of the present invention, therefore, all technical changes that can be made by applying the present specification and drawings are included in the scope of the present invention.

Claims

1. An electrical connector for inserting a plug terminal of a butt connector along a first direction, characterized in that, comprising:

a socket housing with a receiving cavity;

at least one conductive component is accommodated in the accommodating cavity;

A locking device, which is rotatably arranged on the socket housing, includes a locking portion and a pivoting structure, the pivoting structure is pivotally connected to the socket housing, and the conductive component is connected to the locking device, The locking portion moves to a first position or a second position following the movement of the locking device, and the locking device drives the conductive component to move to contact or disconnect with the plug terminal;

When the locking portion is located at the first position, the plug terminal of the butt connector is inserted into the receiving cavity, and the conductive component is not in contact with the plug terminal. The position moves to the second position, the locking device drives the conductive component to move toward the plug terminal along a second direction perpendicular to the first direction, and finally contacts the plug terminal, while all the The locking portion cooperates with the docking connector to lock the electrical connector and the docking connector.

2 . The electrical connector according to claim 1 , wherein the conductive component comprises an insulator and a contact piece provided on the insulator, the locking device comprises a sliding track, and the insulator comprises a protruding a connecting post, the connecting post is in contact with the sliding track, the pivoting structure has a pivot axis, the sliding track has a first end and a second end, and the locking portion moves from the first position to the During the second position, the connecting post slides from the first end to the second end, and the distance from the connecting post to the pivot axis along the second direction changes from large to small, so The contact piece moves in the second direction following the insulator to contact or disconnect with the plug terminal.

3 . The electrical connector according to claim 2 , wherein the contact piece comprises at least one contact spring, and the contact spring comprises a fixing portion fixed on the insulator for connecting with the plug terminal. 4 . a contact portion in contact, the contact portion is offset from the fixing portion along the second direction toward the direction away from the insulator, and there is a gap along the second direction between the contact portion and the insulator, During the movement of the locking portion from the first position to the second position, the contact portion is brought into contact with the plug terminal and elastically deformed so that the gap becomes smaller.

4 . The electrical connector according to claim 3 , wherein at least one strip-shaped hole penetrates through the contact portion along the second direction, and the fixing portion is provided with two and perpendicular to the first direction and the contact portion. 5 . The third direction of the second direction is respectively provided on both sides of the contact portion, and the strip hole extends along the third direction.

5 . The electrical connector according to claim 3 , further comprising a socket terminal, the socket terminal being fixed to the socket housing and partially located in the receiving cavity, and when the locking portion is located in the receiving cavity. 6 . In the second position, the socket terminal and the plug terminal are spaced apart, and the contact springs are all in electrical contact with the socket terminal and the plug terminal along the second direction.

6 . The electrical connector according to claim 2 , wherein the insulator further comprises a hollow body, the connecting column protrudes from both sides of the body, and the contact piece is fixed on the outer side of the body. 7 . surface.

7 . The electrical connector according to claim 2 , wherein the locking device comprises a rotating part connected to the outer side of the socket housing, and the pivoting structure and the sliding track are arranged on the rotating part. 8 . The socket housing has a guide hole extending along the second direction, the connecting post passes through the guide hole and protrudes out of the socket housing, and the guide hole extends along the second direction. The size is larger than the size of the connecting column along the second direction, and the connecting column is driven by the sliding track to move along the guide hole along the second direction.

8 . The electrical connector according to claim 7 , wherein the guide hole extends linearly along the second direction, and the sliding track is arc-shaped. 9 .

9 . The electrical connector according to claim 7 , wherein two conductive components are provided, and the insulators of the two conductive components are respectively located at two opposite sides of the plug terminal along the second direction. 10 . The contact pieces of the two conductive components are respectively located on both sides of the plug terminal along the second direction, and the sliding rails are provided with two and located on both sides of the pivot structure respectively, so The guide holes have two and are respectively located on both sides of the pivot structure along the second direction.

10 . The electrical connector according to claim 1 , wherein the conductive component has a connection structure connected with the locking device, the pivoting structure has a pivot axis, and when the locking portion is located at the In the first position, the distance from the connecting structure to the pivot axis along the second direction is the first distance; when the locking portion is in the second position, the connecting structure moves along the first distance. The distance from the two directions to the pivot axis is a second distance; the first distance is greater than the second distance.

11. An electrical connector assembly, comprising an electrical connector and a butt connector, the electrical connector is used for plug terminals of the butt connector to be inserted into the butt connector along a first direction, wherein the electrical connection is device includes:

a socket housing with a receiving cavity;

at least one conductive component is accommodated in the accommodating cavity, and the conductive component can be in contact with the plug terminal along a second direction perpendicular to the first direction;

A locking device, which is rotatably arranged on the socket housing, includes a locking portion and a pivot structure, the pivot structure is pivotally connected to the socket housing and has a pivot axis, and the conductive component has a connection with the socket housing. A connection structure connected by a locking device, the locking portion follows the rotation of the locking device to be located at a first position or a second position, and the locking device drives the conductive component to approach or move away from all the components along the second direction. the plug terminal;

When the locking portion is in the first position, the electrical connector and the mating connector are not locked, the conductive component and the plug terminal are spaced apart along the second direction, and the electrical connector is not locked. The distance from the connecting structure to the pivot axis along the second direction is the first distance; during the process of rotating the locking portion from the first position to the second position, the conductive component and the plug are connected to each other. The interval between the terminals becomes smaller along the second direction. When the locking portion is located at the second position, the electrical connector is locked and matched with the mating connector, and the conductive component is locked with the plug. The terminals are in electrical contact, the distance from the connection structure to the pivot axis along the second direction is a second distance, and the first distance is greater than the second distance.

12 . The electrical connector assembly according to claim 11 , wherein the conductive component has an outer surface opposite to the inner wall of the socket housing, and the connection structure is a connection post protruding from the outer surface, 12 . The plug terminal is fixed in the plug housing of the butt connector, and when the locking portion is in the second position, a part of the plug housing is located between the outer surface and the inner wall of the socket housing .

13 . The electrical connector assembly according to claim 11 , wherein the locking device further comprises two connecting arms respectively located on both sides of the socket housing along the third direction, and each of the connecting arms The arm is connected with a rotating part, the pivoting structure is arranged on the rotating part, the locking part is connected with the two connecting arms, and the locking part is used for locking with the buckle of the docking connector The locking part is provided with a dovetail-shaped slot for matching with the retaining member, the plug housing of the docking connector is provided with a dovetail-shaped guide rail, and the retaining member is slidably matched with the guide rail and slide it until the slot is engaged with the locking portion.

14 . The electrical connector assembly according to claim 13 , wherein the retaining member comprises a sliding main body and a retaining arm connected with the sliding main body, the sliding main body is slidably matched with the guide rail, and the One end of the locking arm is provided with a lock hook, the other end of the locking arm is provided with a pressing part for pressing and unlocking, and the locking part has a locking surface adjacent to the slot, and the locking surface is used to connect with the The locking hook is fastened, when the locking portion is in the second position, the sliding body is matched with the slot, the locking hook is fastened on the locking surface, and the locking The portion is located between the latching arm and the sliding body along the second direction.

15 . The electrical connector according to claim 11 , wherein the conductive component comprises an insulator and at least one contact spring provided on the insulator, and the contact spring comprises a fixing plate fixed on the insulator. 16 . a contact part for contacting with the plug terminal, the contact part is offset from the fixing part in a direction away from the insulator along the second direction, and the contact part and the insulator are along the There is a gap in the second direction, and during the movement of the locking portion from the first position to the second position, the contact portion contacts the plug terminal and elastically deforms so that the gap becomes smaller .