CN210007025U

CN210007025U - Electrical connector

Info

Publication number: CN210007025U
Application number: CN201920747758.XU
Authority: CN
Inventors: 汪世明; 韦新政; 钱建成
Original assignee: Lotes Guangzhou Co Ltd
Current assignee: Lotes Guangzhou Co Ltd
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2020-01-31
Anticipated expiration: 2029-05-22

Abstract

The utility model discloses an electric connector, including insulating housing, a plurality of conductors, 0 drawstring, have joint portion and certainly handle that the joint portion extends backward, the joint portion runs through and is equipped with the bayonet socket, the joint portion is equipped with suppression portion in the front side of bayonet socket, hasp piece, have the button on the hasp piece, can direct action in the hasp piece can carry out the unblock, makes things convenient for manual operation, the button has by the manual press surface of offset face and , the face of being offset is located the place ahead of manual press surface, because manual press surface with the face of being offset is located different planes, when pressing the manual press surface, can release the hasp piece with the butt joint connector unblock, at this moment the hasp piece can not interact with suppression portion, suppression portion does not receive wearing and tearing, can not influence the unblock effect.

Description

Electrical connector

[ technical field ] A method for producing a semiconductor device

The utility model relates to an electric connector especially indicate electric connector with hasp piece.

[ background of the invention ]

At present, many electric connectors pass through the hasp spare and dock the connector with the unblock, in order to solve the not enough condition of hasp spare unblock space, it connects the hasp spare to be equipped with stretching strap usually and is used for releasing the hasp spare, only rely on the stretching strap unblock of pulling backward, when the electric connector rear was equipped with other parts, probably be difficult to follow the pulling strap of correct direction, when pulling the stretching strap along wrong direction, need great power and dock the connector unblock, probably unable smooth unblock this moment, even the unblock also probably damages the plastic shell of electric connector because of the pulling force is too big.

Current kind of electric connectors contain plastic casing, hasp piece and stretching strap, hasp piece and butting connector cooperation hasp and unblock, are equipped with button and hand power portion on the stretching strap, and the bottom and the hasp piece of button are connected, and when pressing down the button, the bottom of button receives the pressing force to press down latch fastener, realizes hasp piece and butting connector unblock, and when the pulling handle, the bottom of button is driven and is pressed latch piece, latch piece also can with the butting connector unblock.

However, the button of the electric connector is arranged on the pull belt, the bottom of the button can frequently press the locking piece to cause abrasion of the bottom of the button, when the hand-pulling part is pulled, the bottom of the button can pull the locking piece to rub with the locking piece to cause abrasion, so that no matter the button is pressed by hands or the hand-pulling part is pulled, the bottom of the button can both press the locking piece to cause abrasion of the bottom of the button, the bottom of the button cannot be well matched with the locking piece to influence the unlocking effect, the moving stroke of the pull belt is large, the unlocking time with a butting connector is long, steps are carried out to influence the unlocking effect, and in addition, the button is arranged on the pull belt, the button needs to press the locking piece, and at the moment, the button needs large pressing force and is inconvenient to operate.

Therefore, it is necessary to design kinds of electrical connectors to solve the above technical problems.

[ Utility model ] content

The utility model aims at providing kind of electric connector, accessible pulling stretching strap or press the snap close piece and carry out the unblock, can not produce wearing and tearing to the joint portion of stretching strap simultaneously, influence unblock effect to the electric connector of convenient operation, in order to reach above-mentioned purpose, the utility model discloses a following technical scheme:

electrical connectors for mating with mating connectors include 0 an insulative housing having a body 1, the body having a 2 upper wall with a 3 opening extending vertically therethrough, a plurality of conductors disposed in the insulative housing and electrically connected to a 4 mating connector, 5 a pull strap having a 6 junction and a handle extending rearward from the junction, the junction movably mounted in the insulative housing, the junction extending through bayonet, the bayonet exposed to the opening, the junction having a pressing portion disposed at a front side of the bayonet, a connector fixed in the insulative housing, the latch having a locking portion and a button, the locking portion being configured to be engaged with the mating connector, the button having a pressed surface and a manual pressed surface, the pressed surface being disposed in front of the manual pressing surface, the pressed surface being disposed at a rear of the pressing portion to be engaged with the pressing portion by a hand to push the pressing portion when the pressed surface is released from the manual pressing surface, and the pressed surface is released from the manual pressing surface.

, the latch member has a long piece in the left-right direction perpendicular to the front-back direction, the long piece extends two latch arms forward, the latch portion is located at the front end of the latch arms, and the button is located between the two latch arms.

And , bending the pressed surface upwards from the middle part of the long sheet and extending backwards in an inclined manner, bending the manual pressing surface backwards from the pressed surface, wherein the manual pressing surface is a arc-shaped surface.

, the upper wall extends a matching part forwards, the matching part is matched with the butting connector, two mounting holes penetrate through the matching part along the vertical direction, the locking part penetrates through the mounting holes to protrude out of the matching part, the long piece extends a connecting part backwards, the connecting part extends a cross beam along the left and right direction, positioning parts extend forwards from two sides of the cross beam, and the positioning parts are clamped on the main body.

, the main body extends two guides forward, the mating part is located between the two guides, a limiting groove is provided between the edge of the mating part and the guides, and the mating connector at least partially enters the limiting groove.

, convex parts respectively extend from the front end of the combining part along the left and right direction, and the convex parts are limited between the upper wall and the long piece.

, at least convex ribs are respectively arranged on the upper side and the lower side of the convex part in an upward and downward protruding mode, and the convex ribs are in contact with the upper wall or/and the long piece.

And , the manual pressing surface passes through the opening and protrudes upwards from the upper wall.

And , the manual pressing surface is higher than the pressed surface.

, a stopping part is convexly arranged on the upper wall upwards, the stopping part is located on the rear side of the opening, the handle comprises a limiting part and a hand pulling part extending from the rear side of the limiting part, the limiting part is located between the combining part and the hand pulling part, the limiting part is located below the stopping part, and the stopping part stops the limiting part from moving upwards.

, the stopping part comprises two stopping arms protruding from the upper wall at intervals and a bridging section connecting the two stopping arms, the limiting part is located below the bridging section, the two stopping arms and the bridging section jointly enclose a limiting space, the limiting part is located in the limiting space, and the hand pulling part is located behind the limiting space.

And , the width of the bridge section is larger than that of the opening.

, the pressing part has a rear side , which includes a arc segment and a inclined segment extending backwards from the arc segment, and the arc segment contacts with the pressed surface when the pull belt is pulled.

, the main body has a lower wall , the lower wall is opposite to the upper wall, the main body has a accommodating cavity, the accommodating cavity is located between the upper wall and the lower wall, the circuit board is accommodated in the accommodating cavity, the plurality of conductors are arranged at the front section of the circuit board and electrically connected with the butting connector, and the cable is welded at the rear section of the circuit board and electrically connected with the plurality of conductors.

step, the main part has a backwall, the backwall is connected the upper wall with the lower wall, the rear end of the joint part in the left and right sides of the handle are respectively provided with a retaining wall, two the retaining wall is all located the front side of the backwall, the backwall stops the retaining wall is shifted backwards to break away from the insulation casing

Compared with the prior art, the utility model discloses following beneficial effect has: the button is positioned on the locking fastener, can directly act on the locking fastener to unlock, and is convenient for manual operation; the button is provided with the pressed surface and the manual pressing surface, the pressed surface is positioned in front of the manual pressing surface, the pressed surface is positioned behind the pressing part to be matched with the pressing part, the manual pressing surface penetrates through the bayonet, as the manual pressing surface and the pressed surface are positioned on different planes, when the manual pressing surface is pressed, the locking fastener and the butting connector can be released to be unlocked, at the moment, the locking fastener cannot interact with the pressing part, the pressing part is not worn, even if the button is pressed frequently, the manual pressing surface cannot cause the abrasion of the pressing part, and when the handle is pulled backwards to drive the pressing part to press the pressed surface, the manual pressing surface cannot pull the locking fastener to generate friction to cause the abrasion of the pressing part, so that the pressing part can be matched with the pressed surface well, the unlocking effect can not be influenced, meanwhile, the stroke of the moving of the pull belt is small, the unlocking time is short, and the unlocking effect is good.

[ description of the drawings ]

Fig. 1 is a perspective view of an electrical connector before mating with a mating connector;

fig. 2 is a partially exploded view of the electrical connector;

fig. 3 is a perspective view of the catch member;

FIG. 4 is a perspective view of the electrical connector;

FIG. 5 is a cross-sectional view taken along A-A of FIG. 4;

FIG. 6 is a cross-sectional view taken along line B-B of FIG. 4;

FIG. 7 is a cross-sectional view taken along the line C-C of FIG. 5;

fig. 8 is a cross-sectional view of the catch member in combination with the insulative housing;

fig. 9 is a cross-sectional view of the combination of the draw tape and the insulating case.

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

electrical connector 100	Insulating housing 1	Main body part 10	Upper wall 11
				Opening 111	Accommodation chamber 112	Viewing port 113	Accommodating wall 114
Stopper portion 12	Catch arm 121	Bridge section 122	Spacing space 123
				Lower wall 13	Side wall 14	Accommodating cavity 15	Guide part 16
Fitting part 17	Docking chamber 171	Mounting hole 172	Limiting groove 18
				Rear wall 19	Limiting opening 191	Groove 192	Circuit board 2
Conductor 21	Cable 3	Inner mold 4	Platform 41
				Convex column 42	Connecting column 421	Cross column 422	Fastener 5
Long sheet 51	Latch arm 52	Locking part 521	Push button 53
				Pressed surface 531	Manual pressing surface 532	Extension 533	Connecting part 54
Cross member 55	Positioning part 56	Frame opening 561	Spring 562
				Spur 563	Drawstring 6	Joining part 61	Bayonet 62
Pressing part 63	Rear side 64	Arc segment 641	Inclined section 642
				Convex part 65	Convex rib 651	Retaining wall 66	Handle 67
Limiting part 671	Hand-pulling part 672	Docking connector 200

[ detailed description ] embodiments

For better understanding of the objects, structure, features and functions of the present invention, reference should now be made to the drawings and detailed description, which are illustrated in the accompanying .

As shown in fig. 1 and 2, the electrical connector 100 of the present invention is forwardly matched with an docking connector 200. the electrical connector 100 includes a insulation housing 1, a circuit board 2, two cables 3, internal mold 4, locking piece 5 and a pulling strip 6. the circuit board 2 is located in the insulation housing 1, the cables 3 are welded on the circuit board 2, the internal mold 4 is injection-molded on the rear side of the circuit board 2, the locking piece 5 is located in the insulation housing 1, and the pulling strip 6 is movably mounted in the insulation housing 1 and connected with the locking piece 5.

Referring to fig. 1, 2 and 5, in this embodiment, the direction in which the electrical connectors 100 and are mated with each other is front-back direction, the horizontal direction perpendicular to the front-back direction is 0 left-right direction, and the direction perpendicular to the front-back direction and left-right direction is up-down direction, mating cavity 171 is recessed backward from the front end surface of the insulative housing 1 for the mating connector 200 to be inserted, the rear section of the insulative housing 1 has main body portion 10, receiving cavity 15 is provided in the main body portion 10, mating portion 17 extends forward from the main body portion 10, the mating portion 17 is located on the upper side of the mating cavity 171, the mating portion 17 is configured to mate with the mating connector 200, the mating portion 17 is in the form of a long plate shape along the left-right direction, two mounting holes 172 penetrate through the mating portion 17 along the up-down direction, two mounting holes 172 are symmetrically provided in the middle of the mating portion 17, the main body portion 10 has upper wall 11, the is provided opposite to the upper wall 13, the lower wall 13 is connected with the upper wall 13 of the insulative housing 11, and the lower wall 13 is formed by the mating portion 13, and the mating portion 13 formed by the upper wall 13 and the upper wall 13 of the rear housing 1, the mating portion 13 is formed by the mating cavity 13, and the upper wall of the rear housing 1, the mating portion 13, and the rear housing 1, the rear housing 1.

As shown in fig. 1, 2, and 6, openings 111 are formed in the upper wall 11 in a vertical direction, the openings 111 are located in the middle of the upper wall 11 in a horizontal direction, the openings 111 are rectangular, the openings 111 communicate with the receiving cavities 15, stoppers 12 are protruding from the upper wall 11, the stoppers 12 are located behind the openings 111, the stoppers 12 include two arms 121 protruding from the upper wall 11 at intervals, and bridge sections 122 connecting the two arms 121, the two arms 121 are perpendicular to the upper wall 11 and located at the rear ends of the openings 111, and the width of the bridge sections 122 in the horizontal direction is greater than the width of the openings 111.

As shown in fig. 2, 4 and 6, the two blocking arms 121 and the bridging section 122 together form a limiting space 123, the limiting space 123 penetrates the rear wall 19 backwards to form a limiting opening 191, the width of the limiting opening 191 in the left-right direction is smaller than that of the opening 111, two grooves 192 are provided below the limiting opening 191, the grooves 192 are communicated with the accommodating cavity 15, and the grooves 192 are located on two sides of the middle of the rear wall 19 in the left-right direction.

Referring to fig. 1, 7 and 8, the main body 10 extends forwards to form two guiding portions 16, the mating portion 17 is located between the two guiding portions 16, a limiting groove 18 is formed between an edge of the mating portion 17 and each of the guiding portion 16, the docking connector 200 at least partially enters the limiting groove 18, the guiding portion 16 is used for guiding the docking connector 200 to smoothly mate with the mating portion 17, the guiding portion 16 is formed by extending forwards from the side wall 14, a front end of the side wall 14 is located at a rear side of a front end of the mating portion 17, eight observation holes 113 are recessed in the upper wall 11, four observation holes 113 are located at a left side of the opening 111, four observation holes 113 are located at a right side of the opening 111, two accommodating chambers 112 extend downwards from the upper wall 11 around the observation holes 113, and a plurality of accommodating walls 114 are provided in each of the accommodating chambers 112.

As shown in fig. 2, 4, and 5, the rear section of the circuit board 2 is located in the accommodating cavity 15, the front section of the circuit board 2 is located in the docking cavity 171, the plurality of conductors 21 are respectively located on the upper surface and the lower surface of the front section of the circuit board 2 for electrically connecting with the docking connector 200, and the two cables 3 are both soldered on the upper surface and the lower surface of the rear section of the circuit board 2 and electrically connected with the plurality of conductors 21. The two cables 3 pass through the two grooves 192 of the rear wall 19 and extend rearward out of the accommodating cavity 15.

As shown in fig. 2, 5, and 7, the inner mold 4 is injection molded at the welding position of the cable 3 and the circuit board 2, the inner mold 4 is located in the accommodating cavity 15, the upper wall 11 and the lower wall 13 are wrapped at the upper and lower sides of the inner mold 4, an platform 41 is arranged on the upper side of the inner mold 4, a interval is arranged between the platform 41 and the accommodating chamber 112, the interval is arranged to ensure that the upper and lower parts of the insulating housing 1 are firmly buckled, a protruding column 42 is arranged on the platform 41 in an upward protruding manner, the protruding column 42 includes two connecting columns 421 and cross columns 422, the cross columns 422 connect the two connecting columns 421, and the cross columns 422 are located at the rear section of the platform 41.

As shown in fig. 3 and 6, the locking device 5 is installed in the receiving cavity 15 of the insulating housing 1, the locking device 5 is positioned on the upper wall 11, the locking device 5 has long tabs 51 along the left-right direction perpendicular to the front-back direction, the long tabs 51 are located on the upper side of the platform 41, the long tabs 51 extend forward to form two locking arms 52, the locking arms 52 are located at both ends of the long tabs 51, the front ends of the two locking arms 52 are both provided with locking portions 521, the locking portions 521 are hooks, the locking portions 521 are used for locking with the mating connector 200, the locking portions 521 pass through the mounting holes 172 of the mating portion 17 to protrude out of the mating portion 17, the long tabs 51 have buttons 53, the buttons 53 have pressed surfaces 531 and manually pressed surfaces 532, the pressed surfaces 531 are located in front of the manually pressed surfaces 532, the pressed surfaces 531 are lower than the manually pressed surfaces 532, and the manually pressed surfaces 532 are located in front of the manually pressed surfaces 532, and the manually pressed surfaces are convenient for the manually pressed upward to move into the openings 111 of the mating connector 11, and the manually pressed surfaces 532 are inserted into the openings 111, and manually pressed into the openings 532.

As shown in fig. 3 and 6, the pressed surface 531 is formed by bending upward and extending obliquely rearward from the middle of the long piece 51, the manual pressing surface 532 is formed by bending rearward from the pressed surface 531, the manual pressing surface 532 is an arc-shaped surface , when the manual pressing surface 532 is pressed manually, a human hand contacts with the arc-shaped surface, and does not hurt the human hand, an extending section 533 is formed by extending downward from the rear end of the manual pressing surface 532 and toward the pressed surface 531, the end of the extending section 533 contacts with the long piece 51 to enhance the pressing effect of the manual pressing surface 532, the long piece 51 extends rearward and obliquely upward to form two connecting sections 54, the two connecting sections 54 are located on two sides of the button 53 in the left-right direction, the connecting section 54 extends in the left-right direction to form a cross beam 55, the cross beam 55 is located on the cross column 422 of the convex post 42 and contacts with the cross beam 422, the cross beam 55 is located on two sides of the cross column 422 of the convex post 42 and contacts with the front column chamber 562, the positioning frame 56 is located on two sides of the positioning post 39561 of the positioning chamber , the positioning chamber is located on two sides of the positioning post 112, the positioning post 16 is located on two positioning post 140, the positioning post 16 is located on the positioning post 16, the positioning post 110 is located on the positioning post 110, the positioning post 110 is located on the positioning post 110, the positioning post.

As shown in fig. 2, 6 and 9, the pulling strip 6 is provided with joint 61 and handle 67 extending backward from the joint 61, the joint 61 is movably installed in the accommodating cavity 15 of the insulating housing 1, the joint 61 is located on the upper wall 11, two retaining walls 66 are provided at the rear end of the joint 61, the retaining walls 66 are located on the front side of the rear wall 19 of the insulating housing 1, the rear wall 19 stops the retaining walls 66 from being displaced backward to separate from the insulating housing 1, so as to prevent the pulling strip 6 from being pulled out of the accommodating cavity 15 of the insulating housing 1.

As shown in fig. 2, 5, and 6, the combining portion 61 is provided with bayonet 62, the bayonet 62 is exposed from the opening 111 of the upper wall 11, the front side of the bayonet 62 is provided with pressing portion 63, the pressing portion 63 is connected to the button 53, the pressing portion 63 has rear side 64, the rear side 64 includes arc segment 641 and inclined segment 642 extending backward from the arc segment 641, when the handle 67 is pulled, the arc segment 641 is contacted with the pressed surface on the button 53, the pressing portion 63 presses the pressed surface 531 to release the locking member 5 from being unlocked with the opposite connector 200, the front end of the combining portion 61 is respectively extended with convex portion 65 in the left-right direction, the convex portion 65 is limited between the upper wall 11 and the long piece 51, the upper and lower sides of the convex portion 65 are respectively provided with at least convex ribs 651, the convex ribs 651 are contacted with the upper wall 11 or/or the long piece 51, when the handle 67 is pulled, the upper rib 651 and the upper wall 51 can be contacted with the upper rib 651, and the upper rib 51 can be prevented from moving horizontally along the direction, and the pull strip 51 can be kept from moving.

As shown in fig. 2 and 6, the handle 67 includes a position-limiting portion 671 and a hand-pulling portion 672 extending from the rear side of the position-limiting portion 671, the position-limiting portion 671 is located between the combining portion 61 and the hand-pulling portion 672, the position-limiting portion 671 is located below the stopping portion 12 of the main body 10, the stopping portion 12 stops the upward displacement of the position-limiting portion 671, the position-limiting portion 671 is located in the position-limiting space 123 defined by the arm 121 of the stopping portion 12 and the bridge section 122, the position-limiting portion 671 passes through the position-limiting opening 191 of the rear wall 19 backwards, the hand-pulling portion 672 is located behind the position-limiting space 123, and the position-limiting portion 671 is located in the position-limiting space 123 defined by the arm 121 and the bridge section 122.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "middle", "width", "relative", "left", "right", and the like, indicate orientations and positional relationships based on the directions and positional relationships shown in the drawings, are only for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must be constructed and operated in a specific orientation with a designated orientation, and thus, should not be construed as limiting the present invention.

To sum up, the utility model discloses electric connector 100 has following beneficial effect:

(1) the button 53 is positioned on the locking fastener 5, and can be directly acted on the locking fastener 5 to unlock, so that manual operation is facilitated; the button 53 has the pressed surface 531 and the manual pressing surface 532, the pressed surface 531 is located in front of the manual pressing surface 532, the pressed surface 531 is located behind the pressing portion 63 to match with the pressing portion 63, the manual pressing surface 532 passes through the bayonet 62, since the manual pressing surface 532 and the pressed surface 531 are located on different planes, when the manual pressing surface 532 is pressed, the locking member 5 and the opposite connector 200 can be released to be unlocked, at this time, the locking member 5 does not interact with the pressing portion 63, the pressing portion 63 is not worn, even if the button 53 is pressed frequently, the manual pressing surface 532 does not wear the pressing portion 63, and when the handle 67 is pulled backwards to drive the pressing portion 63 to press the pressed surface 531, the manual pressing surface 532 does not pull the locking member 5 to generate friction to wear the pressing portion 63, so that the pressing portion 63 is worn, thereby the pressing portion 532 is not worn The pressing part 63 can be matched with the pressed surface 531 well, so that the unlocking effect cannot be influenced, and meanwhile, the moving stroke of the pull belt 6 is small, the unlocking time is short, and the good unlocking effect is achieved.

(2) The pressed surface 531 is located in the middle of the long piece 51, when the pressing portion 63 presses the pressed surface, the force of the locking piece 5 is balanced, the locking portion 521 and the butting connector 200 are conveniently unlocked, the manual pressing surface 532 is an arc-shaped surface, and when the manual pressing surface 532 is manually pressed, a human hand is in contact with the arc-shaped surface, and the human hand cannot be hurt.

(3) The manual pressing surface 532 penetrates through the opening 111 and protrudes upwards out of the upper wall 11, and when a person manually presses the manual pressing surface 532, the person does not need to stretch hands into the opening 111 of the upper wall 11, so that manual operation is facilitated.

(4) The limiting portion 671 is located in the limiting space 123 surrounded by the blocking arm 121 and the bridge section 122, and may be used to limit the limiting portion 671 up, down, left, and right, and when the operator does not pull the handle 67 in the horizontal direction, the limiting space 123 may adjust the limiting portion 671, so that the handle 67 can perform horizontal displacement, thereby reducing the degree of the pull strip 6 pulled obliquely to reduce wear.

(5) The convex portion 65 is limited between the upper wall 11 and the long piece 51 of the locking member 5, and can limit the movement of the drawstring 6 along the up-down direction, the upper and lower sides of the convex portion 65 are respectively provided with the convex rib 651 in an upward and downward protruding manner, the convex rib 651 is in contact with the upper wall 11 or/and the long piece 51, when the handle 67 is pulled, the convex rib 651 is in contact with the upper wall 11 to prevent the drawstring 6 from moving upwards, and the convex rib 651 is in contact with the long piece 51 to prevent the drawstring 6 from moving downwards, so that the combination portion 61 can be always displaced along the horizontal direction.

(6) The rear side surface 64 of the pressing portion 63 includes the arc-shaped section 641 and the inclined section 642 extending backward from the arc-shaped section 641, and the inclined section 642 can increase the strength of the pressing portion 63 and prevent the pressing portion 63 from being damaged due to contact with the pressed surface 531.

(7) Joint portion 61 movable mounting in insulating housing 1 accept in the chamber 15, joint portion 61 is located upper wall 11, joint portion 61 rear end is equipped with two retaining wall 66, retaining wall 66 is located insulating housing 1 the front side of back wall 19, back wall 19 keeps off retaining wall 66 is shifted backward to breaking away from insulating housing 1 prevents that stretching strap 6 is followed insulating housing 1 accept and pull out in the chamber 15.

(8) Two accommodating chambers 112 extend downwards from the upper wall 11, the accommodating chambers 112 are used for positioning the positioning portions 56 of the locking members 5, and the accommodating chambers 112 are spaced from the platform 41 of the inner mold 4, so that the upper and lower parts of the insulating housing 1 can be firmly fastened.

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 the equivalent technical changes using the description and drawings of the present invention are included in the scope of the present invention.

Claims

An electrical connector of the type for mating with a mating connector, comprising:

insulating case having main body part, the main body part has upper wall, the upper wall has opening along the vertical direction;

a plurality of conductors disposed within said insulative housing and forwardly electrically connected to mating connectors;

a drawstring having a combination part and a handle extending backward from the combination part, wherein the combination part is movably mounted on the insulation casing, the combination part is provided with a bayonet in a penetrating manner, the bayonet is exposed from the opening, and the combination part is provided with a pressing part at the front side of the bayonet;

locking piece fixed in the insulation shell, wherein the locking piece has locking part and button, the locking part is used to lock with the butt connector, the button has pressed surface and manual pressing surface, the pressed surface is in front of the manual pressing surface, the pressed surface is behind the pressing part to match with the pressing part, the manual pressing surface passes through the bayonet;

when the manual pressing surface is pressed by hands or the handle is pulled backwards to drive the pressing part to press the pressed surface, the locking piece and the butting connector can be released to be unlocked.
2. The electrical connector of claim 1, wherein said latch member has an elongated piece extending in a left-right direction perpendicular to the front-rear direction, said elongated piece having two latch arms extending forward, said latch portion being located at the front ends of said latch arms, said push button being located between said two latch arms.
3. The electrical connector as claimed in claim 2, wherein the pressed surface is formed by bending upward from the middle of the long piece and extending obliquely backward, the manual pressing surface is formed by bending backward from the pressed surface, and the manual pressing surface is an arc-shaped surface.
4. The electrical connector as claimed in claim 2, wherein the upper wall extends forward for engaging with the mating connector, the engaging portion has two mounting holes passing through it in the vertical direction, the locking portion passes through the mounting holes to protrude from the engaging portion, the long piece extends backward for connecting portion, the connecting portion has beams extending in the left-right direction, positioning portions extend forward from both sides of the beams, and the positioning portions are positioned on the main body.
5. The electrical connector of claim 4, wherein said body portion extends forwardly of two guide portions, said mating portion is positioned between said two guide portions, a retention groove is provided between an edge of said mating portion and each of said guide portions, and said mating connector at least partially enters said retention groove.
6. The electrical connector as claimed in claim 2, wherein protruding parts respectively extend from the front end of the combining part in the left-right direction, and the protruding parts are limited between the upper wall and the long piece.
7. The electrical connector of claim 6, wherein said protrusion has at least protruding ribs protruding upward and downward from the upper and lower sides of said protrusion, respectively, said protruding ribs contacting said upper wall and/or said long piece.
8. The electrical connector of claim 1, wherein: the manual pressing surface passes through the opening and protrudes upwards from the upper wall.
9. The electrical connector of claim 1, wherein: the manual pressing surface is higher than the pressed surface.
10. The electrical connector as claimed in claim 1, wherein the upper wall is provided with upwardly protruding stoppers located at the rear side of the opening, the handle comprises stoppers located between the engaging portion and the pull portion and pull portion extending from the rear side of the stoppers, and the stoppers stop the upward displacement of the stoppers.
11. The electrical connector as claimed in claim 10, wherein the stopper comprises two arms protruding from the upper wall at a distance and bridge sections connecting the two arms, the limiting portion is located below the bridge sections, the two arms and the bridge sections together form a limiting space, the limiting portion is located in the limiting space, and the pull portion is located behind the limiting space.
12. The electrical connector of claim 11, wherein: the width of the bridge section is greater than the width of the opening.
13. The electrical connector of claim 1, wherein said pressing portion has a rear side surface, said rear side surface including an arcuate segment and an inclined segment extending rearwardly from said arcuate segment, said arcuate segment contacting said pressed surface when said handle is pulled.
14. The electrical connector as claimed in claim 1, wherein the main body has a lower wall opposite to the upper wall, the main body has a cavity between the upper wall and the lower wall, a circuit board is received in the cavity, the plurality of conductors are disposed on a front section of the circuit board for electrically connecting with the mating connector, and cables are soldered to a rear section of the circuit board and electrically connect the plurality of conductors.
15. The electrical connector as claimed in claim 14, wherein the main body has rear walls, the rear walls connect the upper wall and the lower wall, retaining walls are respectively disposed at the left and right sides of the handle at the rear end of the connecting portion, both the retaining walls are disposed at the front side of the rear wall, and the rear wall stops the retaining walls from moving backward to separate from the insulating housing.