阅读说明：本技术 电连接器 (Electrical connector ) 是由 倪敏迪 于 2021-10-14 设计创作，主要内容包括：本发明提供了一种电连接器,其包括绝缘本体及固定于所述绝缘本体的电路板及卡扣件,所述绝缘本体具有主体部及自所述主体部向前延伸的对接部,所述卡扣件具有固定于所述绝缘本体的固定部、相对设置于其横向方向上两侧的一对卡持臂,每一所述卡持臂具有向上突伸以与对接连接器相勾扣的卡持部,所述卡扣件包括分别固定于所述绝缘本体的第一卡扣件及第二卡扣件,所述一对卡扣臂设置于所述第二卡扣件在横向方向上的两侧,所述第一卡扣件在外力作用下向下运动时抵压所述第二卡扣件以带动所述卡持部向下运动并脱离对接连接器的锁扣。本发明电连接器结构简单且可便捷、稳定地与对接连接器解除锁定。(The invention provides an electric connector which comprises an insulating body, a circuit board and a clamping piece, wherein the circuit board and the clamping piece are fixed on the insulating body, the insulating body is provided with a main body part and a butt joint part extending forwards from the main body part, the clamping piece is provided with a fixing part fixed on the insulating body and a pair of clamping arms arranged at two sides of the insulating body in the transverse direction oppositely, each clamping arm is provided with a clamping part protruding upwards to be hooked with a butt joint connector, the clamping piece comprises a first clamping piece and a second clamping piece which are respectively fixed on the insulating body, the clamping arms are arranged at two sides of the second clamping piece in the transverse direction, and the first clamping piece is pressed against the second clamping piece to drive the clamping part to move downwards and separate from the clamping of the butt joint connector when moving downwards under the action of external force. The electric connector has simple structure and can be conveniently and stably unlocked with the butting connector.)

1. An electric connector comprises an insulating body, a circuit board and a clamping piece, wherein the circuit board and the clamping piece are fixed on the insulating body, the insulating body is provided with a main body part and a butt joint part extending forwards from the main body part, the clamping piece is provided with a fixing part fixed on the insulating body and a pair of clamping arms arranged on two sides of the insulating body in the transverse direction, and each clamping arm is provided with a clamping part protruding upwards to be hooked with a butt joint connector, and the electric connector is characterized in that: the clamping part comprises a first clamping part and a second clamping part which are respectively fixed on the insulating body, the pair of clamping arms are arranged on two sides of the second clamping part in the transverse direction, and the first clamping part is pressed against the second clamping part when moving downwards under the action of external force so as to drive the clamping part to move downwards and separate from the clamping buckle of the butting connector.

2. The electrical connector of claim 1, wherein: the second clamping piece is further provided with a pair of extension arms connected with the clamping arms, the first clamping piece is provided with an actuating part located at the front part of the first clamping piece, and the actuating part abuts against the pair of extension arms and drives the clamping parts of the corresponding clamping arms to move downwards and separate from the lock catch of the butting connector when moving downwards under the action of external force.

3. The electrical connector of claim 2, wherein: the fixing part comprises a first fixing part arranged on the first buckling part and a second fixing part arranged on the second buckling part, the first fixing part extends backwards from the rear end of the actuating part and is positioned at the lower side of the actuating part in the height direction, the second fixing part is positioned at the rear side of the extension arm, and the clamping arm extends forwards from one end, positioned at the outer side, of the corresponding extension arm.

4. The electrical connector of claim 3, wherein: the first fixing parts comprise a pair of first fixing arms which are arranged at intervals along the transverse direction and used for fixing the first buckling piece and the insulating body, and the second fixing parts and the pair of first fixing arms are arranged in a staggered mode in the transverse direction or the front-back direction and used for fixing the second buckling piece and the insulating body.

5. The electrical connector of claim 4, wherein: the insulating body is provided with a containing part which is arranged close to the rear end of the insulating body, the first fixing arm and the second fixing part are contained and fixed in the containing part, the containing part comprises a first containing part containing the first fixing arm and a second containing part containing the second fixing part, and the first containing part and the second containing part are arranged along the transverse direction.

6. The electrical connector of claim 5, wherein: the first fixing portion is further provided with a second fixing arm located between the pair of first fixing arms in the transverse direction, the second fixing arm is located above the second fixing portion, and the accommodating portion further comprises a third accommodating portion located on the upper side of the second accommodating portion and used for accommodating and fixing the second fixing arm.

7. The electrical connector of any one of claims 2 to 6, wherein: the electric connector is also provided with a pull belt which is operated by a user to pull the actuating part and drive the clamping part to move downwards so as to be separated from the butting connector, and the pull belt is positioned between the pair of extension arms in the transverse direction and extends backwards.

8. The electrical connector of claim 7, wherein: the insulating body is provided with a containing channel extending along the front-back direction for the drawstring to pass through and a first containing area concavely arranged on a top plate of the insulating body, and the extending arm is contained in the corresponding first containing area and is pressed and limited by a limiting lug positioned in the first containing area.

9. The electrical connector of any one of claims 2 to 6, wherein: the actuating part comprises a substrate and a folding part formed by downwards bending the front end of the substrate, the folding part extends along the transverse direction and comprises a first folding wall formed by downwards extending the front end of the substrate and a second folding wall formed by backwards extending the bottom end of the first folding wall, and the second folding wall downwards moves under the action of external force and abuts against the upper side of the extending arm.

10. The electrical connector of claim 9, wherein: the base plate is provided with a through hole formed by penetrating the base plate in the height direction and a cross beam located on the front side of the through hole, one end of the pull strip can penetrate through the through hole, the opposite tail ends of the pull strip are mutually bonded to form a holding part, a sleeve ring part sleeved outside the cross beam is formed near the through hole, and the part of the turnover part located on the front side of the cross beam and the cross beam are wrapped in the sleeve ring part.

Technical Field

The present invention relates to an electrical connector, and more particularly, to an electrical connector with a simple structure and easy unlocking.

Background

The traditional electric connector and the butting connector are locked by the clamping hook, and the locking piece is required to be unlocked by means of the pull belt or directly applying force to the locking piece, however, the traditional locking piece and the pull belt are complex and unstable in arrangement, and the corresponding structural design of the insulating body is complicated.

In view of the above, there is a need for an improved electrical connector to solve the above problems.

Disclosure of Invention

The invention aims to provide an electric connector which is simple in structure and convenient and quick to unlock.

In order to achieve the above object, the present invention provides an electrical connector, which includes an insulating body, and a circuit board and a locking member fixed on the insulating body, wherein the insulating body has a main body portion and a butt portion extending forward from the main body portion, the locking member has a fixing portion fixed on the insulating body and a pair of locking arms oppositely disposed at two sides of the insulating body in a transverse direction, each of the locking arms has a locking portion protruding upward to be hooked with a mating connector, the locking member includes a first locking member and a second locking member respectively fixed on the insulating body, the pair of locking arms is disposed at two sides of the second locking member in the transverse direction, and the first locking member presses against the second locking member when moving downward under an external force to drive the locking portion to move downward and separate from the locking of the mating connector.

As a further improvement of the invention, the second locking member further has a pair of extension arms connected to the latching arms, the first locking member has an actuating portion located at the front portion thereof, and the actuating portion presses against the pair of extension arms and drives the latching portions of the corresponding latching arms to move downward and separate from the latches of the mating connector when moving downward under an external force.

As a further improvement of the present invention, the fixing portion includes a first fixing portion disposed on the first fastening member and a second fixing portion disposed on the second fastening member, the first fixing portion extends backward from the rear end of the actuating portion and is located at a lower side of the actuating portion in the height direction, the second fixing portion is located at a rear side of the extension arm, and the retaining arm extends forward from an end of the corresponding extension arm located at the outer side.

As a further improvement of the present invention, the first fixing portion includes a pair of first fixing arms spaced apart from each other in the transverse direction to fix the first locking member to the insulating body, and the second fixing portion and the pair of first fixing arms are disposed in a staggered manner in the transverse direction or the front-back direction to fix the second locking member to the insulating body.

As a further improvement of the present invention, the insulating body has a receiving portion disposed near the rear end thereof, the first fixing arm and the second fixing portion are received and fixed in the receiving portion, the receiving portion includes a first receiving portion receiving the first fixing arm and a second receiving portion receiving the second fixing portion, and the first receiving portion and the second receiving portion are arranged in a transverse direction.

As a further improvement of the present invention, the first fixing portion further includes a second fixing arm located between the pair of first fixing arms in the transverse direction, the second fixing arm is located above the second fixing portion, and the receiving portion further includes a third receiving portion located above the second receiving portion to receive and fix the second fixing arm.

As a further improvement of the present invention, the electrical connector further has a pulling strip operated by a user to pull the actuating portion and drive the holding portion to move downward to separate from the mating connector, and the pulling strip is located between the pair of extension arms in the transverse direction and extends rearward.

As a further improvement of the present invention, the insulation body has a receiving channel extending in the front-back direction for the pull strap to pass through and a first receiving area concavely arranged on a top plate thereof, and the extension arm is received in the corresponding first receiving area and is pressed and limited by a limit bump located in the first receiving area.

As a further improvement of the present invention, the actuating portion includes a base plate and a folded portion formed by bending the front end of the base plate downward, the folded portion extends in a transverse direction and includes a first folded wall formed by extending the front end of the base plate downward and a second folded wall formed by extending the bottom end of the first folded wall rearward, and the second folded wall moves downward under an external force and abuts against the upper side of the extending arm.

As a further improvement of the present invention, the base plate has a through hole formed by penetrating the base plate in the height direction and a cross beam located at the front side of the through hole, the through hole allows one end of the pull tape to pass through, so that the opposite ends of the pull tape are mutually bonded to form a holding portion and a loop portion sleeved outside the cross beam is formed near the through hole, and the loop portion wraps the part of the folded portion located at the front side of the cross beam and the cross beam therein.

According to the electric connector, the buckling piece is set to be a two-piece actuating structure, the first buckling piece moves downwards under the action of external force to abut against the second buckling piece so as to drive the clamping part to move downwards and separate from the lock catch of the butting connector, so that the forming and the installation of the buckling piece are simplified, and the electric connector is simple in structure and can be conveniently, quickly and stably unlocked with the butting connector.

Drawings

Fig. 1 is a perspective assembly view of the electrical connector of the present invention.

Fig. 2 is a view of the electrical connector of fig. 1 from another perspective.

Fig. 3 is a perspective assembly view of the electrical connector shown in fig. 1 with the latch and the pull tape removed.

Fig. 4 is a perspective view of a latch of the electrical connector shown in fig. 1.

Fig. 5 to 7 are views from another perspective of the latch of fig. 4.

Fig. 8 is a perspective assembly view of the electrical connector shown in fig. 1 with the first latch removed.

Fig. 9 to 10 are sectional views of the electrical connector shown in fig. 1.

Fig. 11 is a perspective assembly view of a second embodiment of the electrical connector of the present invention.

Fig. 12 is a perspective view of a latch of the electrical connector of fig. 11.

Fig. 13 is a view of the clasp from another perspective as shown in fig. 12.

Fig. 14 is an assembled perspective view of the electrical connector shown in fig. 11 with the first latch removed.

Fig. 15 is a cross-sectional view of the electrical connector of fig. 11.

Fig. 16 is a perspective assembly view of a third embodiment of the electrical connector of the present invention.

Fig. 17 is a perspective view of a latch of the electrical connector shown in fig. 16.

Fig. 18 is a view of the clasp from another perspective as shown in fig. 17.

Fig. 19 is a perspective assembly view of the electrical connector of fig. 16 with the latch and pull strap removed.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 10, an electrical connector 100 according to a first embodiment of the present invention is shown, wherein the electrical connector 100 includes an insulating body 1, a circuit board 2 fixed to the insulating body 1, and a locking element 3.

Referring to fig. 1 to 3 and 7 to 8, the insulative housing 1 has a main body 11 and a mating portion 12 extending forward from the main body 11, and the circuit board 2 is formed with a tongue portion 21 for mating with a mating connector (not shown).

The abutting portion 12 has a top plate 121 disposed along the transverse direction and a pair of side plates 123 located on both sides of the top plate 121 in the transverse direction, and the side plates 123 are spaced apart from the transverse ends of the top plate 121 along the transverse direction.

Referring to fig. 1 to 10, the locking member 3 has a fixing portion 301 fixed to the insulating body 1, and a pair of retaining arms 302 oppositely disposed at two sides of the insulating body in the transverse direction, each of the retaining arms 302 has a retaining portion 3021 protruding upward to hook with the mating connector, and the retaining portion 3021 partially protrudes from the top plate 121 and hooks with the mating connector, so that the electrical connector 100 and the mating connector are locked.

Specifically, in the present invention, the latch 3 includes a first latch 31 and a second latch 32 fixed to the insulating body 1, respectively, and the first latch 31 and the second latch 32 are made of a metal material.

The pair of latch arms 302 are disposed on two sides of the second latch 32 in the transverse direction, and the first latch 31 presses against the second latch 32 when moving downward under the action of an external force to drive the latch 3021 to move downward and separate from the latch of the mating connector.

Further, the second fastener 32 further has a pair of extension arms 321 respectively connected to the corresponding catch arms 302, and the catch arms 302 are formed by extending forward from one ends of the corresponding extension arms 321 located at the outer sides. The first latch 31 has an actuating portion 312 located at the front portion thereof, and when the actuating portion 312 moves downward under an external force, it presses the pair of extension arms 321 and drives the latching portion 3021 of the corresponding latching arm 302 to move downward and disengage from the latch of the mating connector.

In addition, the second latch 32 further has a connecting arm 322 located between and connecting the pair of extending arms 321 in the transverse direction, and the connecting arm 322 is in a U-shaped structure with a forward opening and is connected with the pair of extending arms 321 at an opening side thereof.

The fixing portion 301 includes a first fixing portion 3011 disposed on the first buckle 31 and a second fixing portion 3012 disposed on the second buckle 32, the first fixing portion 3011 extends backward from the rear end of the actuating portion 312 and is located at the lower side of the actuating portion 312 in the height direction, and the second fixing portion 3012 is located at the rear side of the extension arm 321.

Further, the first fixing portion 3011 includes a pair of first fixing arms 30112 arranged at intervals along the transverse direction to fix the first buckle 31 and the insulating body 1, and the second fixing portion 3012 and the pair of first fixing arms 30112 are arranged in a staggered manner in the transverse direction or the front-back direction to fix the second buckle 32 and the insulating body 1.

In addition, in the first embodiment of the present invention, the insulating body 1 has a receiving portion 113 provided near the rear end thereof, the first fixing arm 30112 and the second fixing arm 3012 are received and fixed in the receiving portion 113, the receiving portion 113 includes a first receiving portion 1131 receiving the first fixing arm 30112 and a second receiving portion 1132 receiving the second fixing arm 3012, and the first receiving portion 1131 and the second receiving portion 1132 are arranged in a staggered manner in the transverse direction.

Referring to fig. 3 to 7, in the first embodiment of the present invention, the first fixing portion 3011 further has a second fixing arm 30113 located between the pair of first fixing arms 30112 in the transverse direction, in the height direction, the second fixing arm 30113 is located above the second fixing portion 3012, and the pair of first fixing arms 30112 are arranged at equal height and located below the second fixing portion 3012.

The receiving portion 113 further includes a third receiving portion 1133 located above the second receiving portion 1132 to receive and fix the second fixing arm 30113, and the second receiving portion 1132 is in communication with the third receiving portion 1133.

Referring to fig. 1 to 2 and 8 to 10, the electrical connector 100 further has a pull strip 4 operated by a user to pull the actuating portion 312 and drive the latching portion 3021 to move downward to separate from the mating connector, wherein the pull strip 4 is located between the pair of extension arms 321 in the transverse direction and extends rearward.

The insulating body 1 has a receiving channel 112 extending along the front-back direction for the pull tape 4 to pass through and a first receiving area 114 recessed on the top plate thereof, and the extension arm 321 is received in the corresponding first receiving area 114 and is pressed and limited by the limit bump 1142 located in the first receiving area 114.

The insulation body 1 further has a first limit protrusion 115 accommodated inside the connection arm 322, a pair of second limit protrusions 116 located behind the first limit protrusion 115, and a bridge portion 117 connecting the pair of second limit protrusions 116, wherein the first limit protrusion 115 and the bridge portion 117 both span over the upper side of the accommodation channel 112 to limit the drawstring 4 at different positions.

Each of the second limiting convex portions 116 includes a first stepped portion 1161 and a second stepped portion 1162, where bottom surfaces of the first stepped portion 1161 and an upper surface of the bridge portion 117 are arranged in a staggered manner in the height direction, the third receiving portion 1133 is formed at an interval in the height direction between the bottom surface of the first stepped portion 1161 and the upper surface of the bridge portion 117, and the second receiving portion 1132 is formed at an interval in the height direction between the bottom surface of the second stepped portion 1162 and the upper surface of the bridge portion 117.

In addition, the main body 11 has a stopping protrusion 118 at a top front end thereof to be connected to the top plate 121, the stopping protrusion 118 extends in a lateral direction to stop and limit the extension arm 321 at a front side thereof, and the limit projection 1142 is formed to protrude rearward from a rear surface of the stopping protrusion 118.

The actuating portion 312 includes a base plate 3121 and a folded portion 3123 formed by bending downward from a front end of the base plate 3121, the folded portion 3123 extends in a transverse direction and includes a first folded wall 31231 formed by extending downward from the front end of the base plate 3121 and a second folded wall 31232 formed by extending rearward from a bottom end of the first folded wall 31231, and the second folded wall 31232 moves downward under an external force and abuts against an upper side of the extension arm 321.

The base plate 3121 has a perforation 31212 formed by penetrating the base plate in a height direction and a cross beam 31213 located at a front side of the perforation 31212, the perforation 31212 can allow one end of the draw tape 4 to pass through and make opposite ends of the draw tape 4 adhere to each other to form a grip portion 41 and form a loop portion 42 sleeved outside the cross beam 31213 near the perforation 31212, and the loop portion 42 wraps a portion of the flap 3123 located at the front side of the cross beam 31213 and the cross beam 31213 therein.

In this embodiment, the flap portion 3123 has a pair of second flap walls 31232, and the pair of second flap walls 31232 are disposed at both sides of the through hole 31212 in the transverse direction and located at the upper side of the corresponding extension arm 321 to press the extension arm 321 downward when an external force is applied.

The first latch 31 further includes a pair of first protruding arms 313 extending backward from the substrate 3121 and a second protruding arm 314 located between the pair of first protruding arms 313, and the first fixing arm 30112 is located below the corresponding first protruding arm 313 and connected to the first protruding arm 313 through an obliquely extending adapter 315.

Further, the adapter 315 includes a first adapter 3151 and a second adapter 3152, the first fixing arm 30112 is connected to the first protruding arm 313 through the first adapter 3151, and the second fixing arm 30113 is connected to the second protruding arm 314 through the second adapter 3152.

The second buckle 32 further has a third protruding arm 323 connecting the connecting arm 322 and the second fixing portion 3012, and in the height direction, the third protruding arm 323 is located on the upper side of the connecting arm 322 and is arranged at the same height as the second fixing portion 3012.

The middle position of the stop protrusion 118 of the insulation body 1 along the transverse direction is provided with a yielding notch 1181 formed by downward sinking, so that a certain yielding space is provided for the collar portion 42 when the pull strip 4 is subjected to backward pulling force.

In addition, in the present invention, the electrical connector 100 further includes a cable 5 electrically connected to the circuit board 2, an insulating member 6 covering an electrical connection portion between the circuit board 2 and the cable 5, and a pair of positioning members 7 for fixing the insulating member 6 in the insulating body 1.

Referring to fig. 11 to 15, a second embodiment of the electrical connector of the present invention is shown, in which the basic structure and the assembly relationship of the electrical connector 100' are substantially the same as those of the first embodiment, and the electrical connector also includes an insulating body 1', a circuit board 2' fixed to the insulating body 1', a locking element 3' and a pull tape 4', and the locking element 3' includes a first locking element 31' and a second locking element 32 '.

Moreover, the same as the first embodiment is that the insulating body 1' has a receiving portion 113' disposed near the rear end thereof, the first locking member 31' has a pair of first fixing arms 30112' received in the first receiving portion 1131', and the second fixing portion 3012' of the second locking member 32' is located between the pair of first fixing arms 30112' in the transverse direction and is received in the second receiving portion 1132', and other same points with the first embodiment are not described again, and only the differences are described below:

the first latch 31' further includes a connecting bridge 316' connecting the first protruding arm 313' and the second protruding arm 314' at the rear end, and the first fixing arm 30112' is located below the corresponding first protruding arm 313' and connects the two through an arc-shaped adapting portion 315 '. In the height direction, a pair of the first fixing arms 30112 'are disposed at equal heights and located below the second fixing portion 3012'.

The first limit projection 115 'of the insulating body 1' has a tab 1151 'formed to protrude rearward to limit the connection arm 322' at an upper side thereof.

Referring to fig. 16 to 19, a third embodiment of the electrical connector 100 ″ of the present invention is shown, the basic structure and the assembly relationship of the electrical connector 100 ″ are also substantially the same as those of the first embodiment, and the electrical connector 100 ″ also includes an insulating body 1 ", a circuit board (not shown) fixed to the insulating body 1", a locking element 3 "and a pull tape 4", the locking element 3 "includes a first locking element 31" and a second locking element 32 ", and a fixing portion of the locking element 3" also includes a first fixing portion 3011 "disposed on the first locking element 31" and a second fixing portion 3012 disposed on the second locking element 32 ", which are the same as those of the first embodiment and are not repeated herein, and only the differences thereof will be described below:

each fixing arm 30112 "of the first fixing portion 3011" is formed by bending and extending downward from the rear end of the actuating portion 312 "and is accommodated in the fixing groove of the insulating body 1" to be fixed therewith.

Specifically, in this embodiment, each of the fixing arms 30112 "has a protruding locking protrusion 30114" formed to protrude backward, the fixing slots include a first receiving slot 1191 "formed to be recessed downward from the top of the main body 11" and a locking slot 1192 "communicated with the first receiving slot 1191" and extending in the front-back direction, the locking slot 1192 "extends backward to pass through the main body 11", the fixing arm 30112 "is inserted downward into the corresponding first receiving slot 1191", and the locking protrusion 30114 "is locked backward into the locking slot 1192" to limit the first fixing portion 3011 "in the first receiving slot 1191" and the locking slot 1192 "in the up-down direction and the front-back direction.

The second locking member 32 "further has a positioning hole 324" penetrating through it along the height direction to receive the positioning block 1193 protruding from the top of the insulating body 1 ". The insulating body 1 further has a second receiving groove 1194 "and a third receiving groove 1195" formed by being recessed downward from the top thereof, the second fixing portion 3012 "is received in the second receiving groove 1194", the second locking member 32 "further has a pair of positioning legs 325" located on the front side of the second fixing portion 3012 ", the pair of positioning legs 325" is disposed perpendicular to the second fixing portion 3012 "and is received and positioned in the third receiving groove 1195", further, each positioning leg 325 "extends in the front-back direction while extending downward in the vertical direction, and the second fixing portion 3012" extends in the transverse direction while extending downward in the vertical direction.

In the electrical connector 100, 100', 100 ″ of the embodiments of the present invention, the locking member 3, 3', 3 ″ is configured as a two-piece actuating structure, and the first locking member 31, 31', 31 ″ moves downward under an external force to press the second locking member 32, 32', 32 ″ to drive the locking portion to move downward and disengage from the locking of the mating connector, so as to simplify the forming and installation of the locking member 3, 3', 3 ″ and further simplify the structure of the electrical connector 100, 100', 100 ″ and conveniently and stably unlock the electrical connector.

Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.