CN112003078A

CN112003078A - Electrical connector

Info

Publication number: CN112003078A
Application number: CN202010640895.0A
Authority: CN
Inventors: 汪世明
Original assignee: Lotes Guangzhou Co Ltd
Current assignee: Lotes Guangzhou Co Ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2020-11-27
Anticipated expiration: 2040-07-06
Also published as: CN112003078B

Abstract

The invention discloses an electric connector for inserting a butting connector forwards, which comprises an insulating body, a first wall, a locking piece and a limiting piece, wherein the first wall is provided with a first blocking surface, the locking piece is provided with a blocked part, a pressing part and a locking part locked with the butting connector, the limiting piece is arranged on the insulating body and can slide forwards and backwards relative to the insulating body, the limiting piece comprises a blocking part and a base part, an elastic arm which extends forwards from the base part and then transversely extends, the elastic arm transversely and convexly extends to the limiting part, an operating part extends from one side of the elastic arm, when the locking part is interlocked with the butting connector, the first blocking surface is blocked at the rear end of the limiting part, the blocking part is blocked below the blocked part, so that the locking part is kept in a locking state, when the locking part is required to be unlocked with the butting connector, an operator can easily realize that the limiting part can smoothly break away from the blocking of the first blocking surface only by pressing the operating part along the transverse direction, then press down the splenium and realize the unblock, improve the performance of locating part.

Description

Electrical connector

[ technical field ] A method for producing a semiconductor device

The present invention relates to an electrical connector, and more particularly, to an electrical connector with a position limiting member.

[ background of the invention ]

The existing electric connector comprises an insulating body, a limiting part arranged on the insulating body and a locking part arranged on the insulating body, wherein the locking part is provided with a locking part and a pressing part, the locking part and a butting connector are locked to lock the electric connector and the butting connector, the insulating body is provided with an accommodating groove for accommodating the limiting part, the inner side wall of the accommodating groove is provided with a stopping part, the limiting part comprises a pushing part, a limiting part and a stopping part, the limiting part is assembled in the accommodating groove and pushes the pushing part forwards until the limiting part forms stopping fit with the stopping part, the stopping part stops and presses the pressing part downwards to ensure that the locking part and the butting connector are locked, the locking part and the butting connector are not tripped due to mistaken or careless pressing of the pressing part, but the limiting part is required to be not easy to be separated from the stopping part due to external force in order to ensure the continuous and stable work of the limiting part, however, when the electrical connector needs to be unlocked from the mating connector, and an operator pulls the pushing portion backwards, the limiting portion is difficult to be separated from the blocking portion, so that the locking portion and the mating connector cannot be smoothly released, the electrical connector cannot be separated from the mating connector, the use is inconvenient, and the use performance of the limiting member is reduced.

Therefore, there is a need for an electrical connector that overcomes the above problems.

[ summary of the invention ]

The invention aims to provide a limiting piece with an operating part, wherein the limiting part of the limiting piece is easily separated from the first blocking surface of the insulating body by pressing the operating part, and the locking part can be smoothly unlocked with the butting connector.

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

an electrical connector for plugging a mating connector forwardly, comprising: the upper surface of the insulating body is upwards convexly provided with a first wall extending along the front-back direction, and the first wall is provided with a first blocking surface; the locking piece is provided with a locking part, a blocked part and a pressing part positioned behind the locking part, and the locking part is used for being locked with the butting connector upwards; the limiting part is arranged on the insulating body and can slide back and forth relative to the insulating body, the limiting part comprises a stopping part and a base part, the stopping part is positioned below the stopped part to stop the downward displacement of the lock catch part, the limiting part further comprises an elastic arm which extends forwards and then transversely from the base part, the elastic arm transversely protrudes a limiting part, an operating part extends from one side of the elastic arm, the operating part and the limiting part are positioned on the same side of the elastic arm, and the operating part at least partially exceeds the first wall along the transverse direction; when the locking part and the butting connector are mutually interlocked, the first blocking surface is blocked at the rear end of the limiting part, and the blocking part is blocked below the blocked part, so that the locking part keeps a locking state; when the operation part is pressed along the transverse direction, the elastic arm is elastically deformed to drive the limiting part to move so as to be separated from the blocking of the first blocking surface, then the limiting part is moved backwards so that the limiting part moves to the rear of the first blocking surface, the blocking part is positioned at the rear of the blocked part, and then the pressing part is pressed downwards, so that the locking part can be unlocked with the butting connector.

Further, the bullet arm has two and about the base is the symmetry setting along fore-and-aft direction's central line, two form a groove of stepping down along the transverse direction between the bullet arm.

Further, the elastic arm comprises an extension portion extending forwards from the base portion, a connecting portion extending transversely from one side of the extension portion, the operating portion is formed by protruding from one side, away from the extension portion, of the connecting portion, and the limiting portion and the connecting portion are located on the same side of the extension portion.

Further, the upper surface of the extending portion is higher than the upper surface of the first wall, the blocking portion is formed on the upper surface of the extending portion, and the blocked portion is formed on the bottom surface of the pressing portion.

Further, the limiting part is located at the joint of the extending part and the connecting part, the lower surface of the limiting part is lower than that of the connecting part, and the connecting part and the operating part are located above the first wall.

Further, the front end surface of the operating portion projects forward beyond the front end surface of the extending portion.

Further, the first wall is provided with a stop block in an upward protruding manner, the stop block is located in front of the connecting portion, the front end face of the operating portion extends forwards beyond the front end face of the connecting portion, the rear end face of the stop block is located behind the front end face of the operating portion, the upper surface of the stop block is higher than the lower surface of the operating portion, the stop block is closer to the extending portion than the operating portion in the transverse direction, and the stop block limits excessive displacement of the operating portion in the transverse direction.

Furthermore, two elastic arms extend forwards from two sides of the base, the insulating body is provided with two first walls which are spaced along the transverse direction, the two first walls correspond to the two elastic arms one by one, each first wall comprises a first part which is arranged upwards and convexly from the top surface of the insulating body and a second part which is connected with the first part and extends transversely, the second parts of the two first walls extend oppositely, and the two first parts, the two second parts and the top surface of the insulating body jointly enclose a mounting groove, the limiting piece further comprises a mounting part, the mounting part forwards exceeds the base part, the mounting part is positioned below the elastic arm, and the installation department with have a clearance between the bullet arm, the installation department activity accept in the mounting groove, each the second portion is equipped with first face that blocks.

Furthermore, each first wall extends forwards to form a second wall, the top surface of each second wall is lower than that of the corresponding first wall, the two second walls and the top surface of the insulating body jointly enclose an accommodating groove for accommodating the locking piece, and the accommodating grooves are communicated with the mounting grooves.

Further, the locking fastener is a metal sheet and comprises a top plate, the surface of the top plate protrudes upwards to form a locking part, the rear end of the top plate extends backwards and upwards to form the pressing part, the lower surface of the top plate forms the blocked part, the front end of the top plate bends downwards and extends backwards to form a bottom plate, the bottom plate is fixedly installed in the accommodating groove, and the part of the installation part, which is located below the top plate, forms the blocking part.

Further, the first wall is provided with a second blocking surface, the second blocking surface is located behind the first blocking surface, and when the limiting part is separated from the blocking of the first blocking surface and moves backwards, the second blocking surface is blocked at the rear end of the limiting part.

Further, a first clamping groove and a second clamping groove located behind the first clamping groove penetrate through the upper surface of the first wall, the first blocking surface is formed on the rear wall surface of the first clamping groove, the second blocking surface is formed on the rear wall surface of the second clamping groove, when the limiting portion is clamped in the first clamping groove, the first blocking surface is blocked at the rear end of the limiting portion to keep the limiting member at the final position, and when the limiting portion is clamped in the second clamping groove, the second blocking surface is blocked at the rear end of the limiting portion to keep the limiting member at the initial position.

Furthermore, the insulation body is provided with a main body part and an insertion part extending forwards from the main body part, a circuit board is embedded in the insertion part and protrudes out of the front end of the insertion part, the circuit board is provided with a plurality of contact pads for electrically connecting with the butting connector, two sides of the main body part are respectively provided with a baffle plate and the insertion part are arranged at intervals along the vertical direction, and the first wall is located between the two baffle plates along the transverse direction.

Further, the baffle is L-shaped, and the top surface of the first wall is not higher than the top surface of the baffle.

An electrical connector for plugging a mating connector forwardly, comprising: the insulating structure comprises an insulating body, wherein two first walls which are arranged at intervals along the transverse direction are arranged on the upper surface of the insulating body in an upward protruding mode, each first wall comprises a first part which is arranged on the upper surface of the insulating body in an upward protruding mode and a second part which extends transversely from the first part, the second parts of the two first walls extend oppositely, a first blocking part is arranged on the inner side of each second part, and each first blocking part is provided with a first blocking surface; the locking part is provided with a locking part which protrudes upwards, and a pressing part and two stopping pieces which are respectively positioned behind the locking part, the locking part is positioned in front of the first wall and used for being locked with the butting connector upwards, and the two stopping pieces are positioned between the two first parts and correspondingly stopped below the two second parts; the limiting part is provided with an installation part which is positioned between the two first parts and can slide back and forth along the first parts, and also provided with a stopping part which is positioned below the pressing part so as to prevent the pressing part from pressing downwards, the installation part extends upwards to form a base part, two elastic arms extend forwards from the base part and then extend along the directions which are transversely away from each other, two limiting parts protrude from the two elastic arms along the directions which are transversely away from each other, an operation part extends from one side of each elastic arm, the operation part and the limiting part are positioned on the same side of the elastic arms, and the operation part at least partially exceeds the outer side faces of the corresponding first walls along the transverse direction; when the locking part and the butting connector are mutually interlocked, the first blocking surface blocks the rear end of the corresponding limiting part, and the blocking part blocks the lower part of the pressing part, so that the locking part keeps a locking state; when the two operation parts are pressed in the transverse direction, the elastic arm is elastically deformed to drive the limiting part to move to separate from the corresponding blocking of the first blocking surface, then the limiting part is moved backwards to enable the blocking part to be located behind the pressing part, then the pressing part is pressed downwards, and the locking part and the butting connector are unlocked.

Furthermore, each elastic arm comprises an extension portion extending forwards from the base portion, and a connecting portion extending transversely from one side of the extension portion, the operating portion is formed by protruding from one side, away from the extension portion, of the connecting portion, the limiting portion is located at the connecting position of the extension portion and the connecting portion, the lower surface of the limiting portion is lower than that of the connecting portion, and the connecting portion and the operating portion are located above the second portion.

Further, the upper surface of the extension portion is higher than the upper surface of the first wall, and the stop portion is formed on the upper surface of the extension portion.

Furthermore, the second portion is provided with a stop block in an upward protruding manner, the stop block is located in front of the connecting portion, the front end face of the operating portion extends forwards beyond the front end face of the connecting portion, the rear end face of the stop block is located behind the front end face of the operating portion, the upper surface of the stop block is higher than the lower surface of the operating portion, the stop block is closer to the extending portion than the operating portion in the transverse direction, and the stop block limits the operating portion to excessively displace along the transverse direction.

Furthermore, each first wall extends forwards to form a second wall, the upper surface of each second wall is lower than the upper surface of each first wall, the two second walls and the upper surface of the insulating body jointly enclose an accommodating groove, the locking piece is installed in the accommodating groove and is a metal sheet, the locking piece comprises a top plate, the surface of the top plate protrudes upwards to form a locking part, the rear end of the top plate extends backwards and upwards to form the pressing part, the front end of the top plate bends downwards and extends backwards to form a bottom plate, and when the limiting part is matched with the first blocking surface, the installation part is blocked below the top plate.

Further, the second part is provided with a second blocking part, the second blocking part is provided with a second blocking surface, the second blocking surface is positioned behind the first blocking surface, and when the limiting part is separated from the first blocking surface and moves backwards, the second blocking surface is blocked at the rear end of the limiting part.

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

when the locking part and the butting connector are interlocked, the first blocking surface is blocked at the rear end of the limiting part, the blocking part is blocked below the blocked part, so that the locking part is kept in a locking state, when the operating part is pressed along the transverse direction, the elastic arm is elastically deformed to drive the limiting part to move to separate from the blocking of the first blocking surface, the limiting part is moved backwards, so that the limiting part is moved backwards to the rear of the first blocking surface, the blocking part is positioned at the rear of the blocked part, the pressing part is pressed, the locking part can be unlocked with the butting connector, so that the limiting part and the insulating body are reliably locked, the blocking part is stably blocked below the blocked part, when the locking part and the butting connector need to be unlocked, an operator only needs to press the operating part, can easily realize promptly spacing portion breaks away from smoothly first stopping blockking of face, then presses the splenium realization unblock improves the performance of locating part, just the operating portion at least part surpasss along the transverse direction first wall makes the operator easily press the operating portion, convenient operation and comfortable.

[ description of the drawings ]

Fig. 1 is an exploded perspective view of the electrical connector of the present invention;

fig. 2 is a perspective view of the electrical connector being forwardly plugged into the mating connector;

FIG. 3 is a perspective assembly view of FIG. 1;

FIG. 4 is a cross-sectional view taken along the line A-A of FIG. 3 with the position limiting member at the final position;

FIG. 5 is a cross-sectional view taken along the line B-B of FIG. 3 with the position-limiting element in the final position;

FIG. 6 is a cross-sectional view taken along the direction C-C of the limiting member of FIG. 3 at the final position;

FIG. 7 is a cross-sectional view of the limiter of FIG. 4 sliding from the final position to the initial position;

FIG. 8 is a cross-sectional view of the limiter of FIG. 5 sliding from the final position to the initial position;

fig. 9 is a top view of the limiting member assembled to the insulating body and located at the final position;

fig. 10 is a perspective view of the stopper.

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

[ detailed description ] embodiments

For a better understanding of the objects, structure, features, and functions of the invention, reference should be made to the drawings and detailed description that follow.

Referring to fig. 1, fig. 2 and fig. 3, the electrical connector 100 of the present invention is used for plugging a mating connector 200 forward, the electrical connector 100 includes an insulative housing 1, a circuit board 2 and a cable 3 received in the insulative housing 1, a locking member 4 mounted on the insulative housing 1, and a limiting member 5 slidably connected to the insulative housing 1, the insulative housing 1 has a main body 11 and an insertion portion 15 extending forward from the main body 11, the circuit board 2 is embedded in the insertion portion 15 and protrudes out of a front end of the insertion portion 15, the circuit board 2 is provided with a plurality of contact pads 21 for electrically connecting with the mating connector 200, the circuit board 2 is electrically connected with the cable 3, the cable 3 extends out of a rear end surface of the insulative housing 1, the mating connector 200 has a mating cavity 201 for the circuit board 2 and the insertion portion 15 to be inserted into, the docking connector 200 is provided with two latching holes 202.

Referring to fig. 1, 4 and 6, two first walls 12 are convexly disposed upward on the upper surface of the main body 11 at intervals along the transverse direction, the two first walls 12 are symmetrically disposed about a center line of the main body 11 along the front-rear direction, each first wall 12 is disposed with a first blocking portion 123 and a second blocking portion 124 located behind the first blocking portion 123, the first blocking portion 123 has a first blocking surface 1231, the second blocking portion 124 has a second blocking surface 1241, the first blocking portion 123 is a first slot penetrating downward from the top surface of the first wall 12, the second blocking portion 124 is a second slot penetrating downward from the top surface of the first wall 12, and a stop 125 is convexly disposed upward from the top surface of the first wall 12. Specifically, each of the first walls 12 includes a first portion 121 protruding upward from the top surface of the main body 11 and a second portion 122 extending laterally from the first portion 121, the second portions 122 of the two first walls 12 extend oppositely, the two first portions 121, the two second portions 122 and the top surface of the insulating body 1 together define a mounting groove 126, the first blocking portion 123 and the second blocking portion 124 are disposed inside each of the second portions 122, the first blocking portion 123 is a first slot penetrating downward from the top surface of the second portion 122, the second blocking portion 124 is a second slot extending downward from the top surface of the second portion 122, the first blocking surface 1231 and the second blocking surface 1241 are parallel to each other and are both disposed along a transverse direction, the stopper 125 is adjacent to the mounting groove 126, and the stopper 125 is formed to protrude upward from the top surface of the second portion 122.

Referring to fig. 1 and 6, each of the first walls 12 extends forward to form a second wall 13, a top surface of the second wall 13 is lower than a top surface of the first wall 12, the two second walls 13 and the top surface of the insulating body 1 together define an accommodating slot 131 for accommodating the locking element 4, the accommodating slot 131 is communicated with the mounting slot 126, and the second walls 13 and the first walls 12 are aligned in the front-back direction, so that the space of the top surface of the insulating body 1 outside the two first walls 12 is not occupied, and other structures can be arranged by using the remaining space of the top surface of the insulating body 1, and the injection molding of the insulating body 1 is facilitated.

Referring to fig. 1 and 2, two sides of the main body 11 are respectively provided with a baffle 14 and the insertion portion 15 at an interval in the vertical direction, the two baffles 14 are integrally protruded from the main body 11, each baffle 14 is L-shaped, a guide member (not shown) is fixedly mounted on the baffle 14, a guide groove (not shown) is formed between the guide member and the insertion portion 15 for guiding the insertion of the mating connector 200, so that the electrical connector 100 inserted into the mating connector does not shake vertically or horizontally during the process of inserting the mating connector, thereby effectively avoiding oblique insertion, and in other embodiments, a guide groove is formed between the baffle 14 and the insertion portion 15 for guiding the insertion of the mating connector.

Referring to fig. 1 and fig. 6, the two first walls 12 and the two second walls 13 are located between the two baffles 14, which is beneficial to reasonably arranging the first walls 12, the second walls 13 and the baffles 14 on the top surface of the insulation body 1, and fully utilizing the space on the top surface of the insulation body 1. The top surface of the first wall 12 is not higher than the top surface of the baffle 14, so that the height of the insulating body 1 in the vertical direction cannot be increased due to the arrangement of the first wall 12, and the volume of the insulating body 1 cannot be enlarged.

Referring to fig. 1, 4 and 5, the locking element 4 has a locking portion 411 protruding upward and a pressing portion 42 located behind the locking portion 411, in this embodiment, the locking element 4 is a metal sheet fixed in the receiving slot 131 of the insulating housing 1, the locking element 4 includes a top plate 41, the surface of the top plate 41 protrudes upward to form two locking portions 411 for locking with the two locking holes 202, the locking portion 411 is located in front of the first wall 12, the rear end of the top plate 41 extends rearward and upward to form the pressing portion 42, the top plate 41 is further provided with two stopping portions 412 extending rearward and located at two sides of the pressing portion 42, the rear portion of the top plate 41 and the two stopping portions 412 are located in the mounting slot 126, and the two stopping portions 412 are located behind the locking portions 411, the two stopping pieces 412 are located between the two first portions 121 and correspondingly stopped under the two second portions 122, the second portions 122 limit the stopping pieces 412 from excessively moving upwards to prevent the locking member 4 from excessively deforming upwards or separating from the insulating body 1, the locking member 4 has two stopped portions which are respectively a first stopped portion 421 and a second stopped portion 413, the bottom surface of the pressing portion 42 forms the first stopped portion 421, the lower surface of the top plate 41 forms the second stopped portion 413, the front end of the top plate 41 is bent downwards and extends backwards to form a bottom plate 43, the bottom plate 43 is installed and fixed in the accommodating groove 131, the bottom plate 43 is concavely provided with two retaining holes (not numbered), the top surface of the insulating body 1 is convexly provided with two retaining blocks (not numbered) upwards, and each retaining hole is fastened and fixed with each corresponding retaining block, the base plate 43 is located in front of the pressing portion 42, in other embodiments, the locking member 4 may be another locking structure having the locking portion 411 and the pressing portion 42, and the locking member 4 may be integrally formed with the insulating housing 1.

Referring to fig. 1, 4, 5 and 10, the limiting member 5 includes a vertical base 51, an elastic arm 52 extending forward from the base 51 and then extending laterally, the elastic arm 52 laterally protrudes a limiting portion 523, an operating portion 524 extends from one side of the elastic arm 52, the limiting portion 523 and the operating portion 524 are located at the same side of the elastic arm 52, the elastic arm 52 has two elastic arms 52, the two elastic arms 52 extend forward from two sides of the base 51 and then extend in a direction away from each other laterally, the two elastic arms 52 correspond to the two first walls 12 one by one, the two elastic arms 52 are symmetrically arranged with respect to a center line of the base 51 along a front-back direction, a yielding groove 525 is formed between the two elastic arms 52 along the lateral direction, the yielding groove 525 provides a space for elastic deformation for the two elastic arms 52, so that the elastic arms 52 have a better elastic deformation capability, the two limiting portions 523 are formed by protruding from the two elastic arms 52 in a direction away from each other in the transverse direction, specifically, each elastic arm 52 includes an extending portion 521 extending forward from the base 51, and a connecting portion 522 extending from one side of the extending portion 521 in the transverse direction, the operating portion 524 is formed by protruding from one side of the connecting portion 522 away from the extending portion 521, and the limiting portion 523 and the connecting portion 522 are located on the same side of the extending portion 521, so that the structure of the elastic arm 52 is simple, the force of the operator pressing the operating portion 524 is directly transmitted to the extending portion 521 via the transverse connecting portion 522, so that the elastic arm 52 is elastically deformed toward the side away from the first blocking portion 123, the elastic arm 52 only receives the force in the transverse direction in the process, the elastic arm 52 has good elasticity, and the force required by the operator pressing the operating portion 524 to separate the limiting portion 523 from the first blocking portion 123 is also higher than the force required by the operator pressing the operating portion 524 to separate the limiting portion 523 from the first blocking portion Is small.

Referring to fig. 1, 5 and 6, the limiting member 5 is mounted on the insulating body 1 and can slide back and forth relative to the insulating body 1, the limiting member 5 includes a mounting portion 53 located between the two first portions 121 and can slide back and forth along the first portions 121, the mounting portion 53 extends upward to the base portion 51, the mounting portion 53 extends forward beyond the front end surface of the base portion 51, when the limiting portion 53 is engaged with the first blocking surface 1231, the mounting portion 53 is at least partially located in the receiving groove 131, that is, the front end of the mounting portion 53 extends beyond the front end surface of the first wall 12, the mounting portion 53 is movably received in the mounting groove 126, so that the mounting portion 53 slides back and forth in the mounting groove 126 and enters the receiving groove 131, the mounting portion 53 is located below the elastic arm 52, and a gap is formed between the mounting portion 53 and the elastic arm 52, the mounting portion 53 and the spring arm 52 do not interfere with each other.

Referring to fig. 4, 5, 7 and 8, the limiting member 5 includes a stopping portion, when the limiting portion 523 is engaged with the first blocking surface 1231, the stopping portion stably stops the lower portion of the blocked portion, in this embodiment, the stopping portion has two parts, namely, a first stopping portion 5211 and a second stopping portion 531, respectively, the upper surface of the extending portion 521 forms the first stopping portion 5211, the portion of the mounting portion 53 located below the top plate 41 (i.e., the front portion of the mounting portion 53) forms the second stopping portion 531, when the locking portion 411 is interlocked with the mating connector 200, the limiting portion 523 is engaged with the first blocking surface 1231, the first stopping portion 5211 is stopped below the pressing portion 42, i.e., the first stopping portion 5211 is stopped below the first blocked portion 421 to stop the pressing portion 42 from pressing downward, therefore, the downward displacement of the locking part 411 is limited, and meanwhile, the second blocking part 531 is blocked below the top plate 41, that is, the second blocking part 531 is blocked below the second blocked part 413, so that the downward displacement of the top plate 41 and the locking part 411 is limited, even if the pressing part 42 can be pressed downward, because the second blocking part 531 is blocked below the second blocked part 413, the top plate 41 and the locking part 411 cannot be displaced downward, the locking part 411 cannot be unlocked from the mating connector 200, and the locking part 411 and the mating connector 200 are further ensured to be locked, so that the locking part 411 keeps a locked state; when the operation portion 524 is pressed in the transverse direction to elastically deform the elastic arm 52 to drive the position-limiting portion 523 to move to disengage from the blocking of the first blocking surface 1231, when the position-limiting member 5 is moved backward, the position-limiting portion 523 moves backward to the rear of the first blocking surface 1231, the first blocking portion 5211 is located at the rear of the first blocked portion 421, the second blocking portion 531 is located at the rear of the second blocked portion 413, and then the pressing portion 42 is pressed downward to drive the top plate 41 and the locking portion 411 to move downward, the locking portion 411 can be unlocked from the mating connector 200, so that the position-limiting member 5 and the insulating body 1 can be reliably locked, the locking portion stably blocks the lower portion of the blocked portion, when the locking portion 411 and the mating connector 200 need to be unlocked, the operator only needs to press the operation portion 524, that is, the limiting portion 523 can be easily separated from the first blocking surface 1231, and then the pressing portion 42 is pressed to unlock the lock, so that the usability of the limiting member 5 is improved, and the operation portion 524 at least partially exceeds the outer side surface of the first wall 12 along the transverse direction, so that the operable portion of the operation portion 524 has a large area, and the operation portion 524 can be easily pressed by an operator, and is convenient and comfortable to operate.

In other embodiments, the limiting member 5 may have only one of the first blocking portion 5211 and the second blocking portion 531.

Referring to fig. 5 and 6, the upper surface of the extending portion 521 is higher than the upper surface of the first wall 12, and the first stopping portion 5211 is formed on the upper surface of the extending portion 521, so that the first stopping portion 5211 does not need to extend forward from the base 51 and then upwards to be stopped below the first stopped portion 421, the structure of the position-limiting member 5 is simplified, and the position-limiting member 5 is convenient to manufacture and mold. The upper surface of the extension portion 521 is flush with the upper surface of the connection portion 522, a reinforcing rib (not shown) is convexly arranged on the upper surface of the connection portion 522 to connect the operation portion 524, and the reinforcing rib is arranged to improve the strength of the elastic arm 52 and enhance the elastic deformation resistance of the elastic arm 52.

Referring to fig. 1, 6 and 10, the limiting portion 523 is located at a connection portion between the extending portion 521 and the connecting portion 522, and the limiting portion 523 is connected to a front end surface of the extending portion 521, so that the entire extending portion 521 becomes a power arm, which is long, and thus the force required by an operator to press the operating portion 524 to separate the limiting portion 523 from the first blocking portion 123 is reduced, and the operation is labor-saving and has a significant effect. Spacing portion 523 is for certainly extension 521 keeps away from one side of groove 525 is along the protruding fixture block structure of establishing of transverse direction, the lower surface of spacing portion 523 is less than the lower surface of connecting portion 522, the upper surface of spacing portion 523 with the lower surface of connecting portion 522 is in the coplanar, connecting portion 522 reaches operating portion 524 is located the top of first wall 12, first wall 12 can not influence connecting portion 522 with the motion of operating portion 524 along transverse direction and fore-and-aft direction.

Referring to fig. 9 and 10, the front end surface of the operating portion 524 extends forward beyond the front end surface of the extending portion 521 to increase the arm of force, so as to further reduce the force required by the operator to press the operating portion 524 to separate the limiting portion 523 from the first blocking portion 123, reduce the force applied to the elastic arm 52, improve the elastic deformation performance of the elastic arm 52, and increase the area of the operable portion of the operating portion 524, thereby facilitating the operator to press the operating portion 524.

Referring to fig. 3 and 9, the connecting portion 522 is located behind the stopper 125, the front end surface of the operating portion 524 extends forward beyond the front end surface of the connecting portion 522, the stopper 125 is located on a side of the operating portion 524 close to the extending portion 521, the upper surface of the stopper 125 is higher than the lower surface of the operating portion 524, the stopper 125 is closer to the extending portion 521 than the operating portion 524 in the transverse direction, when the limiting member 5 is at the final position, the rear end surface of the stopper 125 is located behind the front end surface of the operating portion 524, when viewed from the transverse direction, the projection of the stopper 125 overlaps the projection of the operating portion 524, when the locking portion 411 and the mating connector 200 need to be unlocked, the stopper 524 is pressed by an operator to separate the limiting portion 523 from the first blocking portion 123, the stopper 125 limits the excessive displacement of the operating portion 524 in the transverse direction, the operator is prevented from pressing the operation part 524 along the transverse direction to cause the elastic arm 52 to deform excessively or even break, the deformation of the elastic arm 52 is always kept in the elastic deformation range, and the overall resilience of the elastic arm 52 is effectively ensured.

Referring to fig. 1, 4 and 7, the position limiting member 5 slides in an initial position and a final position along the front-back direction, when the position limiting portion 523 is engaged with the first blocking portion 123, that is, the position-limiting part 523 is clamped in the first blocking part 123, the first blocking surface 1231 is blocked at the rear end of the position-limiting part 523, so that the position-limiting part 5 is kept at the final position, the rear end surface of the limiting portion 523 and the first blocking surface 1231 both extend in the transverse direction, the limiting part 523 cannot be easily separated from the blocking of the first blocking part 123, so that the limiting part 5 is stably maintained at the final position, the continuous and stable operation of the limiting part 5 is ensured, the locking state of the locking part 411 and the butting connector 200 is ensured to be always maintained, and the unlocking of the locking part 411 and the butting connector 200 caused by accidentally pressing the pressing part 42 is prevented; when the limiting portion 523 is matched with the second blocking portion 124, that is, the limiting portion 523 is clamped in the second blocking portion 124, the second blocking surface 1241 is blocked at the rear end of the limiting portion 523, the second blocking surface 1241 extends along the transverse direction, the limiting portion 523 cannot be easily separated from the blocking of the second blocking portion 124, so that the limiting member 5 is kept at the initial position, and the limiting member 5 cannot be easily separated from the insulating body 1.

Referring to fig. 4, 7 and 10, the limiting portion 523 is a clamping block, the limiting portion 523 and the first blocking portion 123 are a matching structure of the clamping block and the clamping groove, a stable and reliable fastening structure is formed between the limiting portion 523 and the first blocking portion 123, so that the limiting portion 523 cannot be easily separated from the blocking of the first blocking portion 123, and the limiting member 5 is stably maintained at the final position; the limiting part 523 and the second blocking part 124 are a matching structure of a clamping block and a clamping groove, a stable and reliable buckling structure is formed between the limiting part 523 and the second blocking part 124, so that the limiting part 523 cannot be easily separated from the blocking of the second blocking part 124, and the limiting part 5 is stably kept at an initial position.

The mating and locking process of the electrical connector 100 and the mating connector 200 is as follows: referring to fig. 1, 2 and 3, the locking element 4 is first installed and fixed to the receiving groove 131, the locking portion 411 and the locking hole 202 of the mating connector 200 are locked with each other, then the limiting member 5 is installed to the installation groove 126, the front end of the installation portion 53 slides into the installation groove 126, referring to fig. 3 and 4, the limiting member 5 is then pushed forward, so that the limiting member 5 moves from the initial position to the final position, the limiting portion 523 is clamped in the first blocking portion 123, the first blocking surface 1231 is blocked at the rear end of the limiting portion 523, so that the limiting member 5 is kept at the final position, the first blocking portion 5211 is blocked below the first blocked portion 421, the front portion of the installation portion 53 is located in the receiving groove 131, and the front end surface of the installation portion 53 exceeds the front end surface of the first wall 12, the rear end surface of the bottom plate 43 is stopped at the front of the mounting portion 53, and the second stopping portion 531 is stopped below the second stopped portion 413, so as to prevent the locking portion 411 from being unlocked from the mating connector 200.

The separation and unlocking processes of the electrical connector 100 and the docking connector 200 are as follows: referring to fig. 1, 2 and 4, an operator presses the two operation portions 524 along the transverse direction, so that the two elastic arms 52 elastically deform to drive the two limiting portions 523 to move along the transverse direction to approach each other to disengage from the blocking of the first blocking surface 1231, referring to fig. 7 and 8, then, the limiting member 5 is moved backward, so that the two limiting portions 523 slide backward to be located behind the corresponding first blocking portions 123, each limiting portion 523 is clamped in each corresponding second blocking portion 124, each second blocking surface 1241 is blocked at the rear end of each limiting portion 523, at this time, the first blocking portion 5211 is located behind the first blocked portion 421, the second blocking portion 531 is located behind the second blocked portion 413, and presses the pressing portion 42 downward, so that the locking portion 411 can be unlocked from the mating connector 200.

In other embodiments, there may be only one elastic arm 52, one limiting part 523, and one operating part 524, and there may also be only one corresponding first wall 12.

1. when the locking part 411 is interlocked with the mating connector 200, the first blocking surface 1231 is blocked at the rear end of the limiting part 523, the first blocking part 5211 is blocked below the first blocked part 421, so that the locking part 411 keeps a locked state, when the operating part 524 is pressed along the transverse direction, the elastic arm 52 is elastically deformed to drive the limiting part 523 to move to disengage from the blocking of the first blocking surface 1231, when the limiting part 5 continues to move backwards, the limiting part 523 moves backwards to the rear of the first blocking surface 1231, the first blocking part 5211 is located behind the first blocked part 421, the pressing part 42 is pressed, the locking part 411 can be unlocked from the mating connector 200, so that the limiting part 5 and the insulating body 1 are reliably locked, and at the same time, the first blocking part 5211 stably blocks the lower part 421, when the locking part 411 and the mating connector 200 need to be unlocked, an operator only needs to press the operating part 524, and the limiting part 523 can be easily separated from the first blocking surface 1231, and then the pressing part 42 is pressed to unlock, so that the usability of the limiting part 5 is improved.

2. The portion of the mounting portion 53 located below the top plate 41 (i.e., the front portion of the mounting portion 53) forms the second blocking portion 531, the second blocked portion 413 is formed on the lower surface of the top plate 41, when the limiting portion 523 is engaged with the first blocking surface 1231, the second blocking portion 531 is blocked below the second blocked portion 413, so as to limit the downward displacement of the top plate 41 and the locking portion 411, even if the pressing portion 42 can be pressed downward, because the second blocking portion 531 is blocked below the second blocked portion 413, the top plate 41 and the locking portion 411 cannot be displaced downward, the locking portion 411 cannot be unlocked from the mating connector 200, and further, the locking portion 411 and the mating connector 200 are ensured to be kept locked.

3. Each of the elastic arms 52 includes the extending portion 521 extending forward from the base 51, the connecting portion 522 extending in the transverse direction from one side of the extending portion 521, the operating portion 524 is formed by protruding from one side of the connecting portion 522 away from the extending portion 521, and the position-limiting portion 523 and the connecting portion 522 are located on the same side of the extending portion 521, so that the structure of the elastic arm 52 is simple, the elastic arm 52 is only subjected to a force in the transverse direction in the process, the elastic arm 52 has good elasticity, and the force required by an operator to press the operating portion 524 to separate the position-limiting portion 523 from the first blocking portion 123 is also small.

4. The first blocking portion 123 is a slot structure penetrating downward from the top surface of the first wall 12, when the limiting portion 523 is clamped in the first blocking portion 123, the first blocking surface 1231 is blocked at the rear end of the limiting portion 523, so that the limiting member 5 is kept at the final position, a stable and reliable buckle structure is formed between the limiting portion 523 and the first blocking portion 123, the limiting portion 523 cannot be easily separated from the blocking of the first blocking portion 123, so that the limiting member 5 is stably kept at the final position, and the continuous and stable operation of the limiting member 5 is ensured.

5. The limiting part 523 is located at the connection position of the extending part 521 and the connecting part 522, and the limiting part 523 is connected with the front end surface of the extending part 521, so that the entire extending part 521 becomes a power arm which is long, the force required by an operator to press the operating part 524 to separate the limiting part 523 from the first blocking part 123 is reduced, the operation is labor-saving, and the effect is obvious.

6. The front end face of the operating portion 524 extends forward beyond the front end face of the extending portion 521, so as to increase the force arm, thereby further reducing the force required by the operator to press the operating portion 524 to separate the limiting portion 523 from the first blocking portion 123, reducing the force applied to the elastic arm 52, and achieving good elastic deformation performance of the elastic arm 52.

7. The stopper 125 is located in front of the connection portion 522, the front end surface of the operation portion 524 exceeds the front end surface of the connection portion 522 forward, the upper surface of the stopper 125 is higher than the lower surface of the operation portion 524, in the transverse direction, the stopper 125 is closer to the extension portion 521 than the operation portion 524, the rear end surface of the stopper 125 is located behind the front end surface of the operation portion 524, when the operation portion 524 needs to be pressed to make the limiting portion 523 break away from the blocking of the first blocking portion 123, the stopper 125 limits the excessive displacement of the operation portion 524 in the transverse direction, so that the excessive deformation and even breakage of the elastic arm 52 caused by the excessive pressing of the operation portion 524 in the transverse direction by an operator are avoided, the deformation amount of the elastic arm 52 is ensured to be always kept in the elastic deformation range, and the overall resilience of the elastic arm 52 is effectively ensured.

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

Claims

1. An electrical connector for plugging a mating connector forwardly, comprising:

the upper surface of the insulating body is upwards convexly provided with a first wall extending along the front-back direction, and the first wall is provided with a first blocking surface;

the locking piece is provided with a locking part, a blocked part and a pressing part positioned behind the locking part, and the locking part is used for being locked with the butting connector upwards;

the limiting part is arranged on the insulating body and can slide back and forth relative to the insulating body, the limiting part comprises a stopping part and a base part, the stopping part is positioned below the stopped part to stop the downward displacement of the lock catch part, the limiting part further comprises an elastic arm which extends forwards and then transversely from the base part, the elastic arm transversely protrudes a limiting part, an operating part extends from one side of the elastic arm, the operating part and the limiting part are positioned on the same side of the elastic arm, and the operating part at least partially exceeds the first wall along the transverse direction;

when the locking part and the butting connector are mutually interlocked, the first blocking surface is blocked at the rear end of the limiting part, and the blocking part is blocked below the blocked part, so that the locking part keeps a locking state;

when the operation part is pressed along the transverse direction, the elastic arm is elastically deformed to drive the limiting part to move so as to be separated from the blocking of the first blocking surface, then the limiting part is moved backwards so that the limiting part moves to the rear of the first blocking surface, the blocking part is positioned at the rear of the blocked part, and then the pressing part is pressed downwards, so that the locking part can be unlocked with the butting connector.

2. The electrical connector of claim 1, wherein: the elastic arms are provided with two elastic arms and are symmetrically arranged relative to the central line of the base part in the front-back direction, and a yielding groove is formed between the two elastic arms in the transverse direction.

3. The electrical connector of claim 1, wherein: the elastic arm comprises an extension part extending forwards from the base part, and a connecting part extending transversely from one side of the extension part, the operating part is formed by protruding from one side of the connecting part far away from the extension part, and the limiting part and the connecting part are positioned on the same side of the extension part.

4. The electrical connector of claim 3, wherein: the upper surface of the extension part is higher than the upper surface of the first wall, the blocking part is formed on the upper surface of the extension part, and the blocked part is formed on the bottom surface of the pressing part.

5. The electrical connector of claim 3, wherein: the limiting portion is located at the joint of the extending portion and the connecting portion, the lower surface of the limiting portion is lower than the lower surface of the connecting portion, and the connecting portion and the operating portion are located above the first wall.

6. The electrical connector of claim 3, wherein: the front end surface of the operating part extends forwards beyond the front end surface of the extending part.

7. The electrical connector of claim 3, wherein: the first wall is provided with a stop block in an upward protruding mode, the stop block is located in front of the connecting portion, the front end face of the operating portion extends forwards beyond the front end face of the connecting portion, the rear end face of the stop block is located behind the front end face of the operating portion, the upper surface of the stop block is higher than the lower surface of the operating portion, the stop block is closer to the extending portion than the operating portion in the transverse direction, and the stop block limits excessive displacement of the operating portion in the transverse direction.

8. The electrical connector of claim 1, wherein: from extend forward the both sides of basal portion have two the bullet arm, insulator is equipped with along transverse direction spaced two first wall, two first wall and two bullet arm one-to-one, each first wall include from insulator's upper surface upwards protruding a first portion of establishing and certainly a second portion of first portion lateral extension, two the second portion of first wall extends relatively, two first portion, two the second portion and insulator's upper surface encloses into a mounting groove jointly, and the locating part still includes an installation department, the installation department surpasss forward the basal portion, the installation department is located the below of bullet arm, just the installation department with a clearance has between the bullet arm, the installation department activity accept in the mounting groove, each the second portion is equipped with first blocking surface.

9. The electrical connector of claim 8, wherein: each first wall extends forwards to form a second wall, the upper surface of each second wall is lower than that of each first wall, the two second walls and the upper surface of the insulating body jointly enclose an accommodating groove for accommodating the locking piece, and the accommodating grooves are communicated with the installing grooves.

10. The electrical connector of claim 9, wherein: the lock catch piece is made of metal sheets and comprises a top plate, the surface of the top plate protrudes upwards to form a lock catch portion, the rear end of the top plate extends backwards and upwards to form the pressing portion, the lower surface of the top plate forms the blocked portion, the front end of the top plate bends downwards and extends backwards to form a bottom plate, the bottom plate is fixedly installed in the accommodating groove, and the part, located below the top plate, of the installation portion forms the blocking portion.

11. The electrical connector of claim 1, wherein: the first wall is provided with a second blocking surface, the second blocking surface is positioned behind the first blocking surface, and when the limiting part is separated from the blocking of the first blocking surface and moves backwards, the second blocking surface is blocked at the rear end of the limiting part.

12. The electrical connector of claim 11, wherein: the upper surface of the first wall is provided with a first clamping groove and a second clamping groove which is located behind the first clamping groove in a downward penetrating mode, the rear wall face of the first clamping groove forms a first blocking face, the rear wall face of the second clamping groove forms a second blocking face, when the limiting part is clamped in the first clamping groove, the first blocking face is blocked at the rear end of the limiting part to keep the limiting part at the final position, and when the limiting part is clamped in the second clamping groove, the second blocking face is blocked at the rear end of the limiting part to keep the limiting part at the initial position.

13. The electrical connector of claim 1, wherein: the insulating body is provided with a main body part and an inserting part extending forwards from the main body part, a circuit board is embedded in the inserting part and protrudes out of the front end of the inserting part, a plurality of contact pads are arranged on the circuit board and used for being electrically connected with the butting connector, two sides of the main body part are respectively provided with a baffle plate and the inserting part are arranged at intervals along the vertical direction, and the first wall is located between the two baffle plates along the transverse direction.

14. The electrical connector of claim 13, wherein: the baffle is L-shaped, and the upper surface of the first wall is not higher than the upper surface of the baffle.

15. An electrical connector for plugging a mating connector forwardly, comprising:

the insulating structure comprises an insulating body, wherein two first walls which are arranged at intervals along the transverse direction are arranged on the upper surface of the insulating body in an upward protruding mode, each first wall comprises a first part which is arranged on the upper surface of the insulating body in an upward protruding mode and a second part which extends transversely from the first part, the second parts of the two first walls extend oppositely, a first blocking part is arranged on the inner side of each second part, and each first blocking part is provided with a first blocking surface;

the locking part is provided with a locking part which protrudes upwards, and a pressing part and two stopping pieces which are respectively positioned behind the locking part, the locking part is positioned in front of the first wall and used for being locked with the butting connector upwards, and the two stopping pieces are positioned between the two first parts and correspondingly stopped below the two second parts;

the limiting part is provided with an installation part which is positioned between the two first parts and can slide back and forth along the first parts, and also provided with a stopping part which is positioned below the pressing part so as to prevent the pressing part from pressing downwards, the installation part extends upwards to form a base part, two elastic arms extend forwards from the base part and then extend along the directions which are transversely away from each other, two limiting parts protrude from the two elastic arms along the directions which are transversely away from each other, an operation part extends from one side of each elastic arm, the operation part and the limiting part are positioned on the same side of the elastic arms, and the operation part at least partially exceeds the outer side faces of the corresponding first walls along the transverse direction;

when the locking part and the butting connector are mutually interlocked, the first blocking surface blocks the rear end of the corresponding limiting part, and the blocking part blocks the lower part of the pressing part, so that the locking part keeps a locking state;

when the two operation parts are pressed in the transverse direction, the elastic arm is elastically deformed to drive the limiting part to move to separate from the corresponding blocking of the first blocking surface, then the limiting part is moved backwards to enable the blocking part to be located behind the pressing part, then the pressing part is pressed downwards, and the locking part and the butting connector are unlocked.

16. The electrical connector of claim 15, wherein: each elastic arm comprises an extension part extending forwards from the base part and a connecting part extending transversely from one side of the extension part, the operating part is formed by protruding from one side of the connecting part, which is far away from the extension part, the limiting part is positioned at the joint of the extension part and the connecting part, the lower surface of the limiting part is lower than that of the connecting part, and the connecting part and the operating part are positioned above the second part.

17. The electrical connector of claim 16, wherein: the upper surface of the extension portion is higher than the upper surface of the first wall, and the stop portion is formed on the upper surface of the extension portion.

18. The electrical connector of claim 16, wherein: the second portion is provided with a stop block in an upward protruding mode, the stop block is located in front of the connecting portion, the front end face of the operating portion exceeds the front end face of the connecting portion forwards, the rear end face of the stop block is located behind the front end face of the operating portion, the upper surface of the stop block is higher than the lower surface of the operating portion, the stop block is closer to the extending portion than the operating portion in the transverse direction, and the stop block limits excessive displacement of the operating portion in the transverse direction.

19. The electrical connector of claim 15, wherein: each first wall extends forwards to form a second wall, the upper surface of each second wall is lower than that of each first wall, the two second walls and the upper surface of the insulating body jointly enclose an accommodating groove, the locking piece is installed in the accommodating groove and is a metal sheet, the locking piece comprises a top plate, the surface of the top plate protrudes upwards to form a locking part, the rear end of the top plate extends backwards and upwards to form the pressing part, the front end of the top plate bends downwards and extends backwards to form a bottom plate, and when the limiting part is matched with the first blocking surface, the installation part is blocked below the top plate.

20. The electrical connector of claim 15, wherein: each second blocking part is provided with a second blocking surface, the second blocking surface is positioned behind the first blocking surface, and when the limiting part is separated from the first blocking surface and moves backwards, the second blocking surface is blocked at the rear end of the limiting part.