TWM627233U - First connector, second connector, and connector combination - Google Patents

Abstract

The present invention provides a first connector, a second connector and a connector combination. The first connector includes an insulating base, a plurality of first conductive terminals fixed on the insulating base, and a metal locking plate embedded on the insulating base. The second connector includes a terminal base, a plurality of second conductive terminals fixed on the terminal base, a cable electrically connected to the second conductive terminals, an outer cover covering the terminal base, A locking element pivotally connected to the outer cover. Two locking mechanisms protrude upwards from both sides of the metal locking plate, and two locking arms are provided on the locking element, and the locking arms are provided with a locking notch to cooperate with the locking mechanism for locking. The connector combination of the new type is securely locked.

Description

First connector, second connector and connector combination

The new model relates to the field of electrical connectors, in particular to a first connector, a second connector and a connector combination with reliable locking.

CN104425971B discloses a connector device consisting of a first connector and a second connector that can be fitted with each other, the first connector has a first terminal and a first housing, the second connector has a A second terminal and a second housing that can be connected to the first terminal when the first connector and the second connector are fitted, a flange portion is provided on the second housing, and the flange portion is located in the second housing. The mating side of the first connector and the second connector is formed with a mating surface that is abutted with the first connector, and the first housing has a locking portion, which is rotatably supported on the shaft. The first housing has a free end, and the locking portion is locked by the locked portion of the second housing by rotating relative to the first housing, thereby maintaining the first connector and the second housing. In the mated state of the two connectors, the first housing further includes a support portion that is held by the latched portion on the opposite side of the locking portion to the side opposite to the rotating shaft provided in the first housing. The locking portion is supported in the vicinity of the free end of the locking portion, and the support portion has a capability to the second connector side when the first connector and the second connector are fitted. to the thickness of the flange portion.

The locked portion in this locking design is integrally formed on the second shell made of plastic material, and its structural strength is poor, and when the force is too large, it is easy to break and cause the locking failure.

The technical problem to be solved by the present invention is to overcome the above-mentioned shortcomings of the prior art, and provide a first connector, a second connector and a connector combination with reliable locking.

According to one aspect of the present invention, the present invention proposes a first connector, which can be locked correspondingly with a second connector, comprising: an insulating base, the upper surface of the insulating base is provided with a first mating cavity, and The lower surface is provided with a second docking cavity; a plurality of first conductive terminals, these first conductive terminals are fixed on the insulating base, the upper ends of which protrude into the first docking cavity upwards, and the lower ends protrude into the downwards into the second docking cavity; and a metal locking plate embedded on the insulating base, the middle of the metal locking plate has an opening, the first conductive terminals penetrate through the opening up and down, the metal locking plate A locking mechanism protrudes upward from the two sides of the opening, and the locking mechanism includes a locking piece extending upward and a lock protruding outward or inward torn from the locking piece A fixing protrusion; a tear opening is arranged on the locking sheet, and the locking protrusion is connected to both sides of the tear opening.

In some embodiments, the locking protrusion includes a locking segment and two connecting segments respectively connected to the front and rear ends of the locking segment, the two connecting segments are respectively connected to both sides of the tear opening, the locking segment segment outward beyond the plane where the locking tab is located.

In some implementations, a bottom surface of the locking segment forms a locking plane, wherein a bottom surface of at least one connecting segment forms an escape curved surface, and the locking plane extends downwardly beyond the escape curved surface.

In some embodiments, the first connector further includes a shielding metal frame, the shielding metal frame encloses several of the first conductive terminals therein, the main body of the shielding metal frame is located in the first mating cavity, and the shielding metal frame is located in the first mating cavity. The lower part protrudes downward to the second docking cavity.

In some embodiments, the main body of the shielding metal frame includes four side walls enclosing a box shape, a lower portion of each side wall protrudes downward, and a gap is formed between each two protrusions; the first A partition wall is disposed between the butt cavity and the second dock cavity, and the four protruding pieces extend downward through the partition wall and into the second dock cavity.

In some embodiments, the first conductive terminals are solid pin-shaped conductive elements, which are integrated with the insulating base by insert molding.

In some embodiments, the second mating cavity of the insulating base is used to accommodate a terminal module correspondingly inserted therein, and the terminal module is electrically connected to the first conductive terminals correspondingly.

According to another aspect of the present invention, the present invention proposes a second connector, which can be locked in correspondence with a first connector, comprising: a terminal base; a plurality of second conductive terminals fixed on the terminal base, Each of the second conductive terminals has a docking portion and a wiring portion; a cable is electrically connected to the wiring portion; an outer cover is set on the terminal base, and two sides of the outer cover are provided with upper and lower Two pivoting grooves penetrate through, the outer cover is also provided with at least one locking protrusion protruding outward; and a locking element, which includes a main body and two locking arms bent and extended from both sides of the main body; The two locking arms are pivotably accommodated in the two pivoting slots, each locking arm has a pivot portion pivotally connected to the outer cover and a corresponding clamping portion for the first connector. a locking notch; at least one locking elastic piece extends inward from the main body, and the locking elastic piece can be blocked by the locking protrusion to keep the locking element in a locked state, and the locking arm is in the locking notch A connecting arm is arranged at the end of the connecting arm, and the two ends of the connecting arm are respectively connected to the two sides of the clamping notch.

In some embodiments, at least one opening is formed on the body of the locking element, and the lower end edge of the opening is upwardly bent and bent inward to extend out of the locking elastic piece.

In some embodiments, the locking protrusion is provided with an unlocking groove extending obliquely in an up-down direction, and when the locking elastic piece is stopped by the locking protrusion, the unlocking groove communicates with the opening of the locking elastic piece. inside.

In some embodiments, two side surfaces of the terminal base are respectively recessed with a latching slot along the up-down direction, and two opposite inner surfaces of the outer cover respectively protrude downward with an elastic locking arm, the elastic locking arm and the locking slot Correspondingly snap together.

In some embodiments, the connecting arm is arched outward from the locking arm, and the middle portion of the connecting arm extends outwardly beyond the outer surface of the locking arm.

According to yet another aspect of the present invention, the present invention proposes a connector assembly, comprising the first connector described above and the second connector described above, wherein the two locking mechanisms of the first connector are inserted into the first connector correspondingly. The two pivot slots of the second connector correspond to the locking notch of the locking element of the second connector, and the first conductive terminal of the first connector corresponds to the second conductive terminal of the second connector. The abutting portions of the terminals are butted.

According to a further aspect of the present invention, the present invention proposes a connector assembly, which includes: a first connector including an insulating base and a plurality of first conductive terminals fixed on the insulating base, the insulating base The upper surface of the seat is provided with a first docking cavity, and the lower surface is provided with a second docking cavity. The first conductive terminal is generally needle-shaped, the upper end of which protrudes upward from the first docking cavity, and the lower end protrudes downward from the first docking cavity. a second mating cavity; a second connector, which is correspondingly plugged with the first connector, the second connector includes a terminal base, a plurality of second conductive terminals fixed on the terminal base, electrically connected to A cable of the second conductive terminal and an outer cover surrounding the outer periphery of the terminal base; each second conductive terminal has an elastic butt joint, and the elastic butt joint is correspondingly butted with the upper end of the first conductive terminal; and at least one terminal module, which includes a casing and a plurality of third conductive terminals fixed in the casing, the casing is correspondingly inserted into the second mating cavity of the first connector, and each third conductive terminal has an elastic butt joint, the elastic joint part of the third conductive terminal is correspondingly butted together with the lower end of the first conductive terminal.

In some embodiments, the first conductive terminal is a solid needle-shaped conductive element fixed to the insulating base by insert molding.

In some embodiments, a guide groove is recessed on the side wall of the insulating base of the first connector, and a guide rib is protruded on the inner wall of the outer cover of the second connector, and the guide rib corresponds to inserted into the guide groove.

In some embodiments, each of the first conductive terminals and the second conductive terminals includes a plurality of signal terminals for transmitting signals, and both the first connector and the second connector further include surrounding the signal terminals A shielded metal frame in it.

In some embodiments, a plurality of elastic abutments protrude outward from the side wall of the shielding metal frame, and the elastic abutments abut against the inner wall of the insulating base or the inner wall of the terminal block.

Compared with the prior art, in the first connector of the present application, a metal locking plate embedded in the insulating base is used to protrude two locking mechanisms, which are correspondingly combined with the locking elements in the second connector. and locked together, the locking mechanism has good structural strength, so that the locking combination is firm and reliable. In the second connector, the locking elastic piece can be blocked by the locking convex portion, so that the locking element is kept in a locked state, which can be conveniently locked and unlocked.

The first connector adopts a needle-shaped first conductive terminal, and the second conductive terminal and the third conductive terminal are respectively combined with the upper end or the lower end of the first conductive terminal by elastic butt joints. This docking structure uses multiple terminals. Under the condition of the module, the influence of the position tolerance can be reduced, which is convenient for smooth docking; the use of the needle-shaped first conductive terminal can also increase the strength of the terminal, and it is not easy to be inserted. Reliable butt joint can be achieved between a conductive terminal, the second conductive terminal and the third conductive terminal, thereby improving the quality of current transmission. In addition, a larger current can be transmitted within the same volume, improving the transmission efficiency.

Although the present invention may readily be embodied in different forms, only some of the specific embodiments thereof are shown in the drawings and will be described in detail in this specification, while it is to be understood that this specification is to be regarded as the are illustrative of the principles of the novel, and are not intended to limit the invention to those described herein.

Thus, a feature indicated in this specification will be used to describe one of the features of an embodiment of the invention without implying that every embodiment of the invention must have the described feature. Furthermore, it should be noted that this specification describes a number of features. Although certain features may be combined together to illustrate possible system designs, these features may also be used in other combinations not explicitly stated. Thus, unless otherwise stated, the combinations described are not intended to be limiting.

In the embodiments shown in the drawings, directional indications (such as up, down, left, right, front and rear) are used to explain the structure and movement of the various elements of the present invention are not absolute but relative. These descriptions are appropriate when the elements are in the positions shown in the drawings. If the description of the positions of these elements changes, the indications of these directions change accordingly.

The preferred embodiments of the present invention will be further elaborated below with reference to the drawings of this specification.

Referring to FIG. 1 and FIG. 2 , the connector assembly 100 of a preferred embodiment of the present invention is preferably applied to a motor 500 . The connector assembly 100 mainly includes a first connector 1 and a second connector 2 matched with the first connector 1 . Wherein, the first connector 1 is mounted on the motor 500 by a plurality of screws 17, the second connector 2 is correspondingly plugged into the first connector 1, and the second connector 2 has an outwardly extending A cable 23 .

For ease of expression, the direction of the first connector 1 and the second connector 2 when in use is close to one end of the motor 500 is defined as "down", and the direction away from the "lower" end is defined as "up". In addition, the extending direction of the cable 23 in the second connector 2 is defined as "rear", and the opposite end is defined as "front".

As shown in FIG. 2 , the first connector 1 is provided with two locking mechanisms 132 protruding upward, and the locking mechanisms 132 have a locking protrusion 1322 . As shown in FIGS. 2 to 4 , the second connector 2 is provided with a locking element 25 , and the locking element 25 has two locking arms 252 . When the first connector 1 and the second connector 2 are plugged together, the locking arm 252 of the locking element 25 can be clamped on the locking protrusion 1322 of the locking mechanism 132, and the first A connector 1 and the second connector 2 are locked.

5 and 6 again, the first connector 1 has a plurality of first conductive terminals 12, the second connector 2 has a plurality of second conductive terminals 22, and the lower ends of the second conductive terminals 22 correspond to It is opposite to the upper end of the first conductive terminal 12 .

5 to 7 , the connector assembly 100 further includes a first terminal module 3 and a second terminal module 3 a, and the two terminal modules 3 and 3 a are inserted from below the first connector 1 . into the first connector 1 . The two terminal modules 3 and 3 a respectively have a plurality of third conductive terminals 32 , and the upper ends of the third conductive terminals 32 are respectively correspondingly opposite to the lower ends of the first conductive terminals 12 . The lower parts of the two terminal modules 3 and 3 a are accommodated in the motor 500 . The second terminal module 3a has a plurality of connecting wires 33 extending downward. The connecting wires 33 are accommodated in the motor 500 and are respectively connected with corresponding electrical ports of the motor 500 . The connecting wires of the first terminal module 3 are not shown.

Through the corresponding connection of the first conductive terminals 12 , the second conductive terminals 22 and the third conductive terminals 32 , the electrical signal exchange between the motor 500 and the connector assembly 100 can be realized, so that the motor 500 can work normally.

Each component of the connector assembly 100 will be described in detail below.

Referring first to FIG. 8 to FIG. 12 , the first connector 1 mainly includes an insulating base 11 , the first conductive terminals 12 fixed on the insulating base 11 , and a metal lock embedded on the insulating base 11 . The fixing plate 13 , a first shielding metal frame 14 installed on the insulating base 11 , a waterproof sealing ring 15 sleeved on the insulating base 11 , and a waterproof sealing ring 15 fixed on the lower surface of the insulating base 11 Waterproof ring 16.

Referring mainly to FIG. 9 , the insulating base 11 generally includes a base portion 111 , a protruding portion 112 protruding upward from the upper surface of the base portion 111 , and a protrusion further protruding upward from the protruding portion 112 . Section 113. The insulating base 11 is preferably made of insulating material by integral injection molding.

The base portion 111 is rectangular, and four corners of the base portion 111 are respectively provided with a mounting hole 1111 . The protruding portion 112 is rectangular, its length is smaller than the length of the base portion 111 , and its width is slightly smaller than the width of the base portion 111 . A surrounding receiving groove 1121 is formed on the outer peripheral surface of the protruding portion 112 for receiving the waterproof sealing ring 15 . The protruding portion 113 is rectangular, its width is smaller than the width of the protruding portion 112 , and its length is the same as the length of the protruding portion 112 , that is, the two sides of the protruding portion 113 corresponding to the short side of the rectangle are the same as the protruding portion 112 . The sides of the convex portion 112 are flush. The flush side surface is defined as the butting side surface 1131 , and a guiding groove 1133 extending up and down is recessed on the butting side surface 1131 .

Still referring to FIG. 9 , the insulating base 11 is provided with a first docking cavity 115 on the upper surface of the protruding portion 113 , wherein, in this preferred embodiment, the first docking cavity 115 is divided into a plurality of compartments, Specifically, it has a first signal compartment 1151 , a first brake compartment 1152 , three first power compartments 1153 and a ground compartment 1154 .

Referring to FIG. 10 again, a second docking cavity 117 is also provided on the lower surface of the insulating base 11 . Similarly, the second docking cavity 117 is also divided into a plurality of compartments, which are a second signal compartment 1171 , One second brake compartment 1172 and three second power compartments 1173 . Each compartment 1171 , 1172 , 1173 of the second docking cavity 117 is opposite to each corresponding compartment 1151 , 1152 , 1153 of the first docking cavity 115 in the up-down direction, and is formed inside the insulating base 11 It is separated up and down by a partition wall 119.

With reference to FIGS. 8 to 10 , the first conductive terminals 12 are extended and fixed in the insulating base 11 in the up-down direction. The first conductive terminals 12 pass through the partition wall 119 , the upper ends of which extend upward into the first butt cavity 115 , and the lower ends of which extend downward into the second butt cavity 117 .

Preferably, the first conductive terminal 12 is a solid needle-shaped conductive element, that is, in its extending direction, each section is a solid closed shape. The solid pin-shaped first conductive terminal 12 has better strength than the spring-shaped terminal, and is not prone to the risk of collapse after repeated insertion, which can improve the strength of the first conductive terminal 12 and the second conductive terminal 22 Contact reliability between the third conductive terminals 32 . Moreover, the solid needle shape can also transmit a larger current in the same volume, which improves the transmission effect. In addition, the first conductive terminal 12 is preferably integrated with the insulating base 11 by insert molding, which can ensure the accuracy of the position, reduce the influence of the position tolerance on the connection of the terminals, and improve the contact reliability.

According to the different functions of the first conductive terminals 12 , the first conductive terminals 12 are divided into six first signal terminals 121 for transmitting signals, two first braking terminals 122 for realizing a braking function and transmitting power. The three first power terminals 123 . The six first signal terminals 121 all extend into the first signal compartment 1151 and the second signal compartment 1171, and the first brake terminals 122 extend into the first brake compartment 1152 and the second brake compartment correspondingly In the cavity 1172 , the first power supply terminal 123 extends into the first power supply compartment 1153 and the second power supply compartment 1173 correspondingly.

Referring to FIGS. 8 and 9 , the main body of the first shielding metal frame 14 is fixed to the first signal compartment 1151 of the first docking cavity 115 , and its lower end extends through the partition wall 119 into the first signal compartment 115 of the second docking cavity 117 . Two signal compartments 1171 surround the first signal terminals 121 . The first shielding metal frame 14 is arranged around the peripheral sides of the first signal terminals 121 to play a shielding role, which can reduce the interference in the signal transmission process.

Referring mainly to FIG. 9 , the first shielding metal frame 14 is surrounded to form a rectangular frame that penetrates up and down, which can be surrounded by a metal sheet. The first shielding metal frame 14 mainly includes four side walls 141 that are enclosed with each other, wherein the upper ends of the opposite two side walls 141 are first bent outward and then downward to form two hooking portions 142 . The hooking portion 142 can be correspondingly hooked at the upper end opening of the first signal compartment 1151 , wherein the protruding portion 113 is further provided with a corresponding hooking slot at the upper end opening of the first signal compartment 1151 . 1135 to accommodate the hook portion 142 . A tab 143 protrudes downward from the lower part of each side wall 141 of the first shielding metal frame 14 , a gap 144 is formed between every two tabs 143 , and the four tabs 143 extend downward through the partition wall 119 into the second signal compartment 1171 .

Part of the side wall 141 and part of the protruding piece 143 of the first shielding metal frame 14 are respectively provided with a plurality of first elastic abutting parts 145 protruding outward. The first elastic abutting parts 145 can be formed by punching the side walls 141 or the tabs 143 of the first shielding metal frame 14 , and can be elastic structures with free ends, or elastic structures with both ends constrained and the middle protruding. . The first elastic abutting parts 145 elastically abut against the inner wall of the first abutting cavity 115 or the second abutting cavity 117 , so as to be tightly combined with the insulating base 11 .

Continuing to refer to FIGS. 8 and 9 , the metal locking plate 13 can be formed by stamping and bending a metal plate as a whole, and is preferably fixed into an integral structure with the insulating base 11 through an insert molding process.

The metal locking plate 13 includes a generally rectangular plate-shaped body 131 , two locking mechanisms 132 protruding upwards from two sides of the plate-shaped body 131 , and protruding upwards from the middle of the plate-shaped body 131 . a first grounding terminal 133 and two grounding pads 134 . The middle portion of the plate-shaped body 131 has an opening 1312 penetrating up and down, and a mounting hole 1311 is respectively provided at four corners thereof.

The plate-shaped body 131 is generally embedded in the base portion 111 of the insulating base 11 , the four corners of the plate-shaped body 131 are exposed on the upper surface of the base portion 111 , and the mounting holes 1311 of the plate-shaped body 131 are connected with The mounting holes 1111 of the base portion 111 correspond to each other, and are used for the screw 17 to pass through and be fixed. The opening 1312 of the plate-shaped body 131 surrounds the peripheral side of the first conductive terminals 12 integrated with the insulating base 11 , that is, each of the first conductive terminals 12 will penetrate through the opening 1312 up and down.

The two locking mechanisms 132 are arranged on both sides of the opening 1312 . When the metal locking plate 13 and the insulating base 11 are integrally fixed, the locking mechanism 132 protrudes upward from the base 111 , and the two locking mechanisms 132 are arranged on two sides of the convex connecting portion 112 of the insulating base 11 . side, and are respectively opposite to the two butted side surfaces 1131 of the insulating base 11 at intervals. In this preferred embodiment, the locking mechanism 132 includes a locking piece 1321 that is bent and extended upward from the side of the plate-shaped main body 131 , and a horizontally protruding outward from the surface of the locking piece 1321 . Locking tab 1322. The locking piece 1321 is substantially parallel and opposite to the abutting side surface 1131 , and the locking protrusion 1322 protrudes in a direction away from the abutting side surface 1131 . The locking protrusion 1322 can be formed by punching on the locking sheet 1321 . The locking protrusion 1322 is generally hollow and cylindrical, and a locking plane 1324 is formed on the top side of the locking protrusion 1322 . That is, the outer peripheral contour of the locking protrusion 1322 is not a complete circle, but the upper part is a straight line, and the lower part is an arc with a central angle greater than 180 degrees connected to the straight line. The locking protrusion 1322 is used to cooperate with the locking arm 252 of the second connector 2 for locking, and the upper flat lower circle structure can play a role of convenient and smooth locking process and stable and reliable locking. It is worth mentioning that, in some unshown embodiments, the locking protrusion 1322 may also protrude horizontally inward from the surface of the locking piece 1321 .

Both the first grounding terminal 133 and the two grounding pieces 134 are bent and extended upward from the edge of the opening 1312 of the plate-shaped body 131 , and the first grounding terminal 133 extends upwardly into the grounding compartment 1154 of the first mating cavity 115 . , and the two ground plates 134 extend upward into the first signal compartment 1151 of the first docking cavity 115 .

According to FIG. 8 and FIG. 9 , the waterproof sealing ring 15 is sleeved in the receiving groove 1121 of the convex part 112 of the insulating base 11 , and is used for the first connector 1 and the second connector 2 to be inserted into the receiving groove 1121 . Watertight seal.

According to FIG. 7 and FIG. 11 , the waterproof ring 16 is fixed on the lower surface of the base 111 of the insulating base 11 . When the first connector 1 is installed on the motor 500 , the waterproof ring 16 is located between the insulating base 11 and the motor 500 . The contact surfaces of the motor 500 play a waterproof role.

The assembly process of the first connector 1 is roughly as follows: the insulating base 11 , the first conductive terminals 12 and the metal locking plate 13 are formed into an integrated structure through inserts, the waterproof ring 16 and the waterproof seal The rings 15 are respectively sleeved on the insulating base 11 , and finally the first shielding metal frame 14 is plugged onto the insulating base 11 .

Referring to FIG. 10 and FIG. 11 , the first terminal module 3 includes a casing 31 and a plurality of third conductive terminals 32 fixed in the casing 31 . The first terminal module 3 is used to connect an encoder (not shown in the figure) of the motor 500 through a connecting wire (not shown in the figure). The second terminal module 3 a also includes a housing 31 and a plurality of third conductive terminals 32 , and the lower ends of each of the third conductive terminals 32 are respectively connected to a connecting wire 33 . The second terminal module 3a is used to connect the power port and the brake port of the motor 500 .

The housings 31 of the first terminal module 3 and the second terminal module 3a can be respectively inserted into the second mating cavity 117 of the first connector 1. Specifically, in this preferred embodiment, the first The shell 31 of the terminal module 3 is inserted into the second signal compartment 1171 of the second docking cavity 117 , and the shell 31 of the second terminal module 3 a is inserted into the second brake compartment of the second docking cavity 117 . Cavity 1172 and second power compartment 1173. Correspondingly, each of the third conductive terminals 32 of the first terminal module 3 can be respectively connected to the lower ends of the first signal terminals 121 in the first connector 1 . The third conductive terminals 32 of the second terminal module 3 a are respectively connected to the lower ends of the first brake terminal 122 and the first power terminal 123 in the first connector 1 .

11 , the third conductive terminal 32 has an elastic abutting portion 321 located at the top and a connecting portion 323 located at the lower end. When the third conductive terminal 32 is butted with the solid pin-shaped first conductive terminal 12 , the third conductive terminal The elastic abutting portion 321 of the 32 can elastically clamp the lower end of the first conductive terminal 12, and the contact surfaces of the two butt joints have a large length in the up-down direction, which can absorb positional tolerances and ensure the reliability of butt joint.

12 to 14 , the second connector 2 mainly includes a terminal base 21 , a plurality of second conductive terminals 22 fixed on the terminal base 21 , and a line electrically connected to the second conductive terminals 22 cable 23 , an outer cover 24 covering the terminal base 21 , a locking element 25 pivotally connected to the outer cover 24 , and a second shielding metal frame 26 mounted on the terminal base 21 .

The terminal base 21 is provided with a plurality of terminal cavities 211 extending up and down, and two matching portions 212 protruding upward are provided on both sides of the terminal base 21 , and a connection space is formed between the two matching portions 212 . A recessed recess 2121 is formed in the middle of the outer side surface of each matching portion 212 , and the bottom surface of the recessed recess 2121 is further recessed with two spaced-apart slots 2123 .

According to the different functions of each second conductive terminal 22, these second conductive terminals 22 are divided into six second signal terminals 221 for transmitting signals, two second braking terminals 222 for realizing braking function, and transmitting power. three second power terminals 223 and one second ground terminal 224 (wherein the second ground terminal 224 is shown in FIG. 13 ).

Referring to FIG. 15 , each of the second conductive terminals 22 has a connecting portion 2201 at the upper end and an elastic connecting portion 2202 at the lower end. Preferably, the second conductive terminal 22 is a metal terminal, and the elastic connecting portion 2202 has two elastic contact arms 2204 extending toward each other.

Referring to FIG. 17 , the second conductive terminals 22 are respectively inserted into the terminal cavities 211 of the terminal base 21 , and the elastic butt joints 2202 of the second conductive terminals 22 face downward, respectively for connecting with the corresponding first conductive terminals. The upper ends of the terminals 12 are butted against each other, wherein the two elastic contact arms 2204 of the elastic butt portion 2202 elastically clamp the upper ends of the first conductive terminals 12 .

Referring to FIG. 17 and FIG. 14 , the second shielding metal frame 26 is arranged around the peripheral side of the second signal terminals 221 to play a shielding role so as to reduce the interference in the signal transmission process. The second shielding metal frame 26 is fixedly mounted on the terminal base 21 .

The second shielding metal frame 26 is preferably surrounded by metal sheets, the top of the second shielding metal frame 26 is closed, and a through hole 261 for the cable 23 to pass through is opened on one side of the second shielding metal frame 26 . Two opposite side walls of the second shielding metal frame 26 are respectively provided with a plurality of second elastic abutting tops 262 protruding outward. The second elastic abutting parts 262 elastically abut against the inner wall of the terminal cavity 211 of the terminal base 21 so as to be tightly combined with the terminal base 21 .

Referring to FIG. 13 , the cable 23 includes a plurality of wires 231 and a sheath 232 wrapped around the plurality of wires 231 . The ends of the plurality of wires 231 extend forward from the outer sheath 232 and can extend into the wiring space of the terminal base 21 to connect the second conductive terminals 22 correspondingly.

Referring to FIGS. 13 and 14 , the outer cover 24 includes a cover body 241 and a wire passage portion 242 extending backward from the rear side of the cover body 241 . The outer cover 24 is preferably integrally injection-molded from plastic. The cover body 241 has a substantially rectangular structure with an open lower end and a hollow interior, so as to be correspondingly covered on the terminal base 21 . The wire passage portion 242 is substantially cylindrical and communicates with the inside of the cover body 241 . The second connector 2 further includes a silicone ring 27 , a locking member 28 and a cap 29 . These structural members are sleeved on the cable 23 and connected to the wire passage portion 242 , so that the cable can be 23 is fixed on the wire-passing portion 242 to achieve sealing.

A guide rib 2411 and two elastic buckle arms 2412 arranged on both sides of the guide rib 2411 protrude downward from the inner surface of the cover body 241 near the two side walls. The guide rib 2411 protrudes downwardly beyond the Elastic buckle arm 2412. Referring to FIG. 17 , the guide rib 2411 and the two elastic locking arms 2412 can correspondingly extend into the accommodating grooves 2121 of the terminal base 21 , wherein the elastic locking arms 2412 are correspondingly engaged with the locking grooves 2123 of the terminal base 21 . so as to fix the terminal base 21 and the cover body 241 together.

Two pivoting grooves 2413 are provided on both sides of the cover body 241 , and the outer sides of the two side walls of the cover body 241 are respectively provided with a blocking wall 2414 , and the pivoting groove 2413 is located between the blocking wall 2414 and the side wall. A pivot slot 2415 is further recessed above the pivot slot 2413 , and the axes of the pivot slot 2415 on both sides of the cover 241 are on the same straight line.

The front outer surface of the cover body 241 is an inclined surface inclined downward, and two locking protrusions 2416 are protruded forward. The upper surface of the locking protrusion 2416 is an inclined surface that slopes downward gradually in the forward direction, and the lower surface thereof is substantially perpendicular to the front outer surface of the cover body 241 . In this preferred embodiment, each locking protrusion 2416 is provided with an unlocking groove 2417 extending obliquely in the up-down direction. The unlocking groove 2417 divides the locking protrusion 2416 into two parts.

Still referring to FIGS. 13 and 14 , the locking element 25 includes a main body 251 , two locking arms 252 bent and extended from both sides of the main body 251 , and a handle 253 bent outward from the upper end of the main body 251 . , and two locking elastic pieces 254 extending from the main body 251 toward the cover body 241 . Specifically to this embodiment, the body 251 of the locking element 25 is provided with two openings 255 , and the lower edge of each opening 255 is bent upwards and extends inward to extend the locking elastic piece 254 . The locking element 25 is preferably made of metal material, and can be formed by bending a metal sheet.

The upper portion of the locking arm 252 has a pivot portion 2521 protruding toward the other locking arm 252 . The pivoting portion 2521 can be inserted into the corresponding pivot slot 2415 on the cover body 241 , so that the locking arm 252 can be pivotally received in the corresponding pivot slot 2413 . The lower part of the locking arm 252 is provided with a locking notch 2522 on the side away from the main body 251 , and the locking notch 2522 can be used for locking with the locking protrusion 1322 of the first connector 1 .

The handle 253 can be hand-held by the operator, so that the main body 251 can move above the cover body 241 and drive the locking arm 252 to rotate.

The position of the locking spring piece 254 corresponds to the locking convex portion 2416 on the outer cover 24 , and the locking spring piece 254 can be stopped by the locking convex portion 2416 to prevent the locking element 25 from pivoting.

The assembly process of the second connector 2 is roughly as follows: first install the second conductive terminals 22 and the second shielding metal frame 26 into the terminal base 21 respectively, and then pass the front end of the cable 23 through the outer and connect the wires 231 of the cable 23 to the wiring portions 2201 of the second conductive terminals 22 respectively, and then install the terminal block 21 into the cover of the outer cover 24 In 241, the elastic locking arm 2412 in the cover body 241 is clamped with the slot 2123 of the terminal base 21, after the cable 23 is arranged, the cap 29 and the wire passage portion 242 are rotated and fixed, and the The silicone ring 27 and the locking member 28 form a sealing effect between the cable 23 and the wire passage portion 242 , and finally the locking element 25 is installed on the cover body 241 of the outer cover 24 .

Based on the above description, referring to FIGS. 12 , 16 to 19 , before the first connector 1 and the second connector 2 are mated, the locking element 25 holding the second connector 2 is located in the position shown in FIG. 12 . In a free state, the second connector 2 is then docked up and down with the first connector 1, and the convex portion 112 of the first connector 1 extends into the outer cover 24 of the second connector 2, so that the second connector 1 The elastic abutting portion 2202 of the conductive terminal 22 is correspondingly abutted with the upper end of the first conductive terminal 12 , thereby establishing an electrical connection between the first connector 1 and the second connector 2 . Wherein, when docking, the guide ribs 2411 of the second connector 2 can be correspondingly inserted into the guide grooves 1133 of the first connector 1 to guide the first connector 1 and the second connector 2 Smooth docking between the two to facilitate accurate alignment of the two.

At the same time, the locking mechanism 132 of the first connector 1 extends into the pivoting groove 2413 of the outer cover 24 of the second connector 2 . At this time, the locking element 25 of the second connector 2 can be operated by achieve locking.

Specifically, with the lock element 25 at the position shown in FIG. 12 as the initial state, push the handle 253 of the lock element 25 downward, so that the lock element 25 rotates downward until the lock shown in FIG. 18 is reached. state.

Referring specifically to FIG. 18, at this time, the locking notch 2522 of the locking arm 252 of the locking element 25 is locked with the locking protrusion 1322 of the locking mechanism 132, and the first connector 1 and the second Connector 2 is locked. Wherein, since the lower contour of the locking protrusion 1322 is circular, when the locking element 25 rotates downward, the locking notch 2522 of the locking arm 252 is matched with the locking protrusion 1322, so that the locking The arm 252 can move smoothly. After reaching the locked state, the locking notch 2522 fits with the locking plane 1324 on the top side of the locking protrusion 1322, and the locking plane 1324 will prevent the locking arm 252 from rotating further, making the locking more secure.

Referring to FIG. 17 , in the locked state, the blocking wall 2414 of the outer cover 24 also blocks the outer side of the locking notch 2522 of the locking arm 252 , which can block improper touch on the outside and prevent the locking arm 252 from being improperly touched. pivoting, thereby further improving the reliability of the locking.

In addition, referring to FIG. 19 , in the locked state, the locking protrusion 2416 stops above the locking elastic piece 254 , thereby preventing the locking member 25 from rotating upward to unlock, so that the locking member 25 remains in the locked state.

When it is necessary to release the locked state between the first connector 1 and the second connector 2, since the unlocking groove 2417 is connected to the inner side of the locking elastic piece 254, the operator can use a needle-shaped tool to pierce the lock. Through the unlocking groove 2417 on the locking protrusion 2416, the locking elastic piece 254 is inserted into the inner side of the locking elastic piece 254 and the locking elastic piece 254 is pushed up, and the blocking of the locking elastic piece 254 by the locking protrusion 2416 is released, that is, The locking element 25 can be pushed to rotate upward, and the locking arm 252 of the locking element 25 and the locking protrusion 1322 of the locking mechanism 132 can be released from the locking. The first connector 1 and the second connector 2 can be easily separated. Since the locking elastic piece 254 is integrally formed on the locking element 25 made of metal material, it has high structural strength, and can maintain good reliability even after multiple locking and unlocking operations.

Based on the above description, the connector assembly 100 of this preferred embodiment has the following beneficial effects: in the first connector 1 , two locking mechanisms are protruded from a metal locking plate 13 embedded in the insulating base 11 . 132, correspondingly combined with the locking element 25 in the second connector 2 and locked together, the locking mechanism 132 has good structural strength, so that the locking is firm and reliable. In the second connector 2 , the locking elastic piece 254 can be blocked by the locking protrusion 2416 , so that the locking element 25 is kept in a locked state, which can be easily locked and unlocked.

The first connector 1 adopts a solid needle-shaped first conductive terminal 12, and the second conductive terminal 22 and the third conductive terminal 32 are respectively combined with the upper end or the lower end of the first conductive terminal 12 by elastic butt joints. The structure can reduce the influence of position tolerance in the case of using multiple terminal modules, which is convenient for smooth docking. The needle-shaped first conductive terminal 12 can also increase the strength, and is not easy to be inserted. Moreover, when the connector assembly 100 is in the butted state, the first conductive terminal 12 is connected to the second conductive terminal 22 and the third conductive terminal. Reliable butt joints can be achieved between the terminals 32 to improve the quality of current transmission. In addition, a larger current can be transmitted within the same volume, improving the transmission efficiency.

FIG. 20 shows the structure of a connector assembly 600 according to another preferred embodiment of the present invention. The connector assembly 600 mainly includes a first connector 6 and a second connector 7 matched with the first connector 6 .

The main structure of the first connector 6 may refer to the first connector 1 of the previous embodiment, wherein FIG. 21 mainly shows the insulating base 61 and the metal locking plate 63 of the first connector 6 . Compared with the first connector 1 , the main difference of the first connector 6 of this embodiment is that the structure of the metal locking plate 63 has some differences.

Specifically, with reference to FIGS. 21 and 22 , the locking mechanism 632 of the metal locking plate 63 includes a locking piece 6321 extending upward and a locking piece 6321 tearing and protruding outward from the locking piece 6321 Tab 6322. The locking piece 6321 is provided with a long tear opening 63211 . Both ends of the locking protrusion 6322 are connected to the front and rear sides of the tear opening 63211 and are separated from the upper and lower sides of the tear opening 63211 . The locking protrusion 6322 includes a locking section 63221 and two connecting sections 63222 respectively connecting the front and rear ends of the locking section 63221. The two connecting sections 63222 are respectively connected to the front and rear sides of the tear opening 63211. The locking section 63221 Outward beyond the plane where the locking piece 6321 is located. During manufacture, the locking protrusion 6322 is formed by punching out the sheet at the tear opening 63211, wherein the upper and lower sides of the sheet are torn and protrude outward, while the front and rear ends are The connection to the tear opening 63211 is maintained. It is worth mentioning that, in some unshown embodiments, the locking protrusion 6322 can also be formed by punching and tearing the sheet at the tearing opening 63211 inward, which can be achieved with the outward tearing. The cracked locking protrusion 6322 has a corresponding effect. The locking protrusion 6322 has better strength so as to obtain a more reliable locking effect, and the processing of the locking protrusion 6322 is relatively convenient, and the requirements for material thickness and material elongation are not high. The final size of the locking mechanism 632 is more precise in terms of dimensional accuracy.

Referring mainly to FIG. 22 , the locking piece 6321 is respectively provided with a window 63212 below the front and rear ends of the tear opening 63211 . The bottom surfaces of the connecting segments 63222 respectively form an escape curved surface 63225 . In this embodiment, the escape curved surface 63225 is formed by an upwardly convex arc surface connecting with the locking segment 63221 and a horizontal surface away from the locking segment 63221. It is understood that in some cases not shown In this embodiment, the specific shape of the avoidance curved surface 63225 is not limited to this, and can be designed according to the actual situation. The bottom surface of the locking segment 63221 forms a locking plane 63224 extending in the horizontal direction. The locking plane 63224 extends downwardly beyond the avoidance curved surface 63225 , so that an escape space is formed between the locking segment 63221 and the avoidance curved surface 63225 .

For other features of the first connector 6, reference may be made to the above-mentioned first connector 1, which will not be repeated here.

The main structure of the second connector 7 may refer to the second connector 2 of the previous embodiment, wherein FIG. 21 mainly illustrates the outer cover 74 and the locking element 75 of the second connector 7 . Compared with the second connector 2 , the main difference of the second connector 7 of this embodiment is that there are some differences in the structure of the locking element 75 .

21 and 23, in the locking element 75, a connecting arm 756 is connected between the upper and lower sides of the end of the locking notch 7522 of each locking arm 752, and the connecting arm 756 extends from the locking Arm 752 arches outward beyond the outer surface of the latch arm 752 . The connecting arm 756 is torn and arched outward from the locking arm 752 , the upper and lower ends of the connecting arm 756 are connected to the locking arm 752 obliquely, and the middle part of the connecting arm 756 is roughly connected to the locking arm 752 is parallel to and extends outward beyond the locking arm 752, and the connecting arm 756 can be formed by punching and tearing. It is worth mentioning that although the connecting arm 756 is formed by tearing outward in this embodiment, the connecting arm 756 may also be formed by tearing inward in some embodiments.

The connecting arm 756 connects the upper and lower sides of the end of the securing notch 7522, which can greatly improve the structural strength of the securing notch 7522, prevent the securing notch 7522 from being stretched under force, thereby providing greater high locking force and improve locking reliability. At the same time, the connecting arm 756 is arched outward from the locking arm 752 , and the drop between the connecting arm 756 and the locking arm 752 forms an escape space, so that the locking notch 7522 of the locking element 75 can be correspondingly locked in to the locking protrusion 6322 of the metal locking plate 63 .

24 and 25 , when the first connector 6 and the second connector 7 are butted together, the locking protrusion 6322 of the locking mechanism 632 is locked with the locking notch 7522 of the locking arm 752, Thereby, the first connector 6 and the second connector 7 are kept in a locked state. At this time, the locking flat surface 63224 of the locking protrusion 6322 is in contact with the lower side wall of the locking notch 7522 , and the locking flat surface 63224 prevents the locking arm 752 from rotating further to maintain the locked state.

25 and 26, in the process of operating the locking element 75 to rotate to the locked state, the connecting arm 756 arched outward from the locking arm 752 can avoid the locking protrusion 6322, the connecting arm 756 will swipe through the outside of the locking protrusion 6322 , so that the locking arm 752 can be smoothly rotated until the locking notch 7522 is matched with the locking protrusion 6322 . Referring to FIG. 27 again, the avoidance curved surface 63225 of the locking protrusion 6322 also avoids the lower side wall of the locking notch 7522 to ensure that the locking arm 752 will not interfere with the locking protrusion 6322 during the rotation process. Unable to cooperate.

Referring to the view direction of FIG. 27 , the locking arm 752 installed on the right side of the metal locking plate 63 is rotated clockwise for locking operation. At this time, the right side of the locking protrusion 6322 is evacuated The curved surface 63225 plays an avoidance role. Since the locking protrusion 6322 is provided with the avoidance curved surface 63225 at the front and rear connecting sections 63222 in this embodiment, when the locking element 75 is horizontally turned 180 degrees and assembled to the left side of the metal locking plate 63 That is, when the locking arm 752 is rotated counterclockwise to perform the locking operation, the escape curved surface 63225 on the left side of the locking protrusion 6322 avoids the locking arm 752 rotated and locked counterclockwise. The structure of the locking protrusion 6322 in this embodiment can form a two-way matching relationship, and can be suitable for the clockwise and counterclockwise rotation of the locking arm 752 at the same time, thereby improving the versatility in different application scenarios.

Referring to FIGS. 28 and 29, in another preferred embodiment, the locking mechanism 632a may also be provided with only one window 63212a on the locking piece 6321a, correspondingly the locking protrusion 6322a is only located corresponding to the The bottom surface at the position of opening the window 63212a forms the avoidance curved surface 63225a, and this design is only suitable for the situation where the locking arm 752 is locked by counterclockwise rotation.

The above-mentioned contents are only preferred embodiments of the present invention, and are not intended to limit the embodiments of the present invention. Those of ordinary skill in the art can easily carry out corresponding changes or modifications according to the main concept and spirit of the present invention. The scope of protection shall be subject to the scope of protection required by the claim.

100: Connector combination 500: Motor 600: Connector combination 1: The first connector 11: Insulation base 111: Base 1111: Mounting holes 112: convex joint 1121: Containment Slot 113: Projection 1131: Butt Side 1133: Guide slot 1135: Mounting slot 115: First butt cavity 1151: First signal compartment 1152: First brake compartment 1153: First Power Compartment 1154: Ground Compartment 117: Second butt cavity 1171: Second signal compartment 1172: Second brake compartment 1173: Second Power Compartment 119: Partition Wall 12: The first conductive terminal 121: The first signal terminal 122: The first brake terminal 123: The first power terminal 13: Metal locking plate 131: Plate body 1311: Mounting holes 1312: Opening 132: Locking mechanism 1321: Locking piece 1322: Locking Tabs 1324: Locking plane 133: The first ground terminal 134: Grounding Tab 14: The first shielding metal frame 141: Sidewall 142: Mounting Department 143: Tabs 144: Notch 145: The first elastic touches the top 15: Waterproof sealing ring 16: Waterproof ring 17: Screws 2: Second connector 21: Terminal Block 211: Terminal cavity 212: Adapter 2121: Make way slot 2123: Card slot 22: The second conductive terminal 2201: Wiring Department 2202: Elastic butt joint 2204: Elastic Contact Arm 221: The second signal terminal 222: Second brake terminal 223: Second power terminal 224: Second ground terminal 23: Cable 231: Wire 232: Skin 24: Outer cover 241: Cover 2411: Guide ribs 2412: Elastic Buckle Arm 2413: Pivot slot 2414: Barrier 2415: Shaft slot 2416: Locking lugs 2417: Unlock slot 242: Crossing Department 25: Locking element 251: Ontology 252: Locking Arm 2521: Pivot 2522: Clamping gap 253: handle 254: locking shrapnel 255: Opening 26: Second shield metal frame 261: Through hole 262: Second elastic against the top 27: Silicone ring 28: Locking pieces 29: Cap 3: The first terminal module 3a: The second terminal module 31: Shell 32: The third conductive terminal 321: Elastic butt joint 323: Wiring Department 33: connecting line 6: The first connector 61: Insulation base 63: Metal locking plate 632: Locking mechanism 632a: Locking mechanism 6321: Locking piece 6321a: locking tab 63211: tear opening 63212: Open window 63212a: Open window 6322: Locking tab 6322a: Locking Tabs 63221: Locking segment 63222: Connection segment 63224: Lock plane 63225: Avoidance Surface 63225a: Avoidance Surface 7: Second connector 74: Outer cover 75: Locking element 752: Locking Arm 7522: Clamping gap 756: Connecting Arm

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, wherein: FIG. 1 is a perspective view of a connector assembly according to a preferred embodiment of the present invention mounted on a motor; Fig. 2 is the perspective exploded view of Fig. 1; Fig. 3 is the front view of Fig. 1; Fig. 4 is the A-A sectional view of Fig. 3; Fig. 5 is the B-B sectional view of Fig. 4; Fig. 6 is a partial enlarged view at C in Fig. 5; 7 is an exploded perspective view of the connector assembly in FIG. 1; 8 is a perspective view of the first connector and the terminal module connected together in FIG. 7 from another perspective; Figures 9 and 10 are exploded views of Figure 7 from two different viewing angles; FIG. 11 is an exploded view of the insulating base and the terminal module in FIG. 10, which is further exploded; FIG. 12 is a perspective view of the second connector of FIG. 7 from another perspective; Figure 13 is an exploded view of Figure 12; FIG. 14 is an exploded view from another perspective of FIG. 12 , and the schematic diagram of the cable-related structure is omitted in the figure; FIG. 15 is an enlarged schematic view of the structure of the second conductive terminal in FIG. 14; Figure 16 is a front view of the connector assembly of Figure 7 assembled together; Fig. 17 is the D-D sectional view of Fig. 16; Fig. 18 is the E-E cross-sectional view of Fig. 16; Fig. 19 is the F-F sectional view of Fig. 16; 20 is a perspective view of a connector assembly of another preferred embodiment of the present invention; Figure 21 is an exploded perspective view of Figure 20; Figure 22 is a partial enlarged view at G in Figure 21; Figure 23 is a partial enlarged view at H in Figure 21; Figure 24 is a schematic view of the metal locking plate and the locking element locking together in Figure 20; Figure 25 is a partial enlarged view at J in Figure 24; Fig. 26 is a state diagram of an intermediate process when the locking element in Fig. 24 performs a locking operation; Figure 27 is a front view of Figure 26; FIG. 28 is a schematic diagram of another embodiment of the metal locking plate of FIG. 21; and FIG. 29 is a front view of FIG. 28 .

100: Connector combination

500: Motor

1: The first connector

132: Locking mechanism

1322: Locking Tabs

17: Screws

2: Second connector

23: Cable

25: Locking element

Claims (13)

A first connector, which can be locked in correspondence with a second connector, comprising: an insulating base, the upper surface of the insulating base is provided with a first docking cavity, and the lower surface thereof is provided with a second docking cavity; a plurality of first conductive terminals, the first conductive terminals are fixed on the insulating base, the upper ends of the first conductive terminals protrude upward into the first butt cavity, and the lower ends of the first conductive terminals protrude downward into the second butt cavity; and A metal locking plate is embedded on the insulating base, the middle of the metal locking plate has an opening, and the first conductive terminals penetrate through the opening up and down, the metal locking plate is on each side of the opening A locking mechanism protrudes upward, and the locking mechanism includes a locking piece extending upward and a locking protrusion tearing out from the locking piece and protruding outward or inward; the locking piece is provided with There is a tear opening, and the locking protrusion is connected on both sides of the tear opening. The first connector according to claim 1, wherein the locking protrusion includes a locking segment and two connecting segments respectively connected to the front and rear ends of the locking segment, and the two connecting segments are respectively connected to the tear opening The two sides of the locking section are outwards beyond the plane where the locking piece is located. The first connector according to claim 2, wherein a bottom surface of the locking segment forms a locking plane, and a bottom surface of at least one connecting segment forms an escape curved surface, and the locking plane extends downward beyond the escape curved surface. The first connector according to claim 1, wherein the first connector further includes a shielding metal frame, the shielding metal frame encloses several of the first conductive terminals therein, and the main body of the shielding metal frame is located in the shielding metal frame. The first abutting cavity, and the lower part thereof protrudes downward to the second abutting cavity. The first connector according to claim 4, wherein the main body of the shielding metal frame includes four side walls enclosing a box shape, and a lower portion of each side wall protrudes downward with a tab, and between each two tabs A gap is formed; a partition wall is set between the first butt cavity and the second dock cavity, and the four protruding pieces extend downward through the partition wall and into the second dock cavity. The first connector according to any one of claims 1 to 5, wherein the first conductive terminals are solid pin-shaped conductive elements, which are integrated with the insulating base by insert molding. The first connector according to claim 6, wherein the second mating cavity of the insulating base is used for accommodating a terminal module correspondingly inserted therein, and the terminal module is correspondingly electrically connected to the first conductive terminals together. A second connector, which can be locked in correspondence with a first connector, comprising: a terminal block; a plurality of second conductive terminals, which are fixed on the terminal base, and each second conductive terminal has a docking portion and a wiring portion; a cable electrically connected to the connection part; an outer cover, the cover is disposed on the terminal base, two pivoting grooves penetrating up and down are provided on both sides of the outer cover, and the outer cover is further provided with at least one locking protrusion protruding outward; and A locking element, which includes a body and two locking arms bent and extended from two sides of the body; the two locking arms are pivotably accommodated in the two pivoting grooves, and each locking arm There is a pivoting part pivotally connected with the outer cover and a clamping notch for corresponding clamping with the first connector; the body extends inwardly with at least one locking elastic piece, and the locking elastic piece can be locked by the The locking protruding portion stops and keeps the locking element in a locked state. The locking arm is provided with a connecting arm at the end of the locking notch, and two ends of the connecting arm are respectively connected to the two sides of the locking notch. The second connector according to claim 8, wherein at least one opening is formed on the body of the locking element, and the lower end edge of the opening is upwardly bent and bent inward to extend out of the locking elastic piece. The second connector according to claim 9, wherein the locking protrusion is provided with an unlocking groove extending obliquely in the up-down direction, and when the locking elastic piece is stopped by the locking protrusion, the unlocking groove Connected to the inner side of the locking spring. The second connector according to claim 8, wherein two side surfaces of the terminal base are respectively recessed with a latching slot along the up-down direction, and two opposite inner surfaces of the outer cover respectively protrude downward with an elastic locking arm, the The elastic buckle arm is correspondingly clamped together with the card slot. The second connector according to claim 8, wherein the connecting arm is arched outward from the locking arm, and the middle portion of the connecting arm extends outwardly beyond the outer surface of the locking arm. A connector combination, comprising the first connector as described in any one of claim items 1 to 7 and the second connector as described in any one of claim items 8 to 12, and the first connector has a The two locking mechanisms are correspondingly inserted into the two pivoting slots of the second connector, and are correspondingly locked with the locking notch of the locking element of the second connector, and the first conductive terminal of the first connector is corresponding to The butting portions of the second conductive terminals of the second connector are butted together.

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