CN210007015U

CN210007015U - Electrical connector

Info

Publication number: CN210007015U
Application number: CN201920874357.0U
Authority: CN
Inventors: 秦大争; 韦新政; 钱建成
Original assignee: Lotes Guangzhou Co Ltd
Current assignee: Lotes Guangzhou Co Ltd
Priority date: 2019-06-10
Filing date: 2019-06-10
Publication date: 2020-01-31
Anticipated expiration: 2029-06-10

Abstract

The utility model discloses an electric connector, including insulator, the insulator is protruding to be equipped with two insulation blocks, every the insulation block has spacing groove, hasp piece, be fixed in two between the insulation block, stretching strap has drive division, the drive division is located the top of hasp piece, the drive division is close to its both ends department and has two spacing sections, two spacing section slides respectively and sets up in two spacing inslot and by two spacing groove is spacing along upper and lower direction, when the pulling stretching strap, the drive division can support and press the hasp piece, hasp piece and butting connector unblock, afterwards spacing section receives after the spacing groove is spacing, can get back to the initial position automatically, the stretching strap has restriction portion, restriction portion is located two the rear of insulator and with the insulator contact can prevent the stretching strap from taking place the rotation downwards, can not influence the hasp piece with the unblock effect of butting connector.

Description

Electrical connector

Technical Field

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

Background

Currently, many electrical connectors are latched and unlatched with a mating connector by a latch member, which is provided with latch members, and the latch member is provided with pressing portions, which when pressed, unlatch the electrical connector from the mating connector, but when there is insufficient space around the electrical connector, there is no space for an operator to press the pressing portions with fingers to unlatch.

In view of the above problems, those skilled in the art have provided electrical connectors including a insulative housing, a latch and a pull tab, wherein the latch is mated with the mating connector for latching and unlatching, the pull tab has a driving portion and a operating portion, the driving portion is connected with the latch, and when the operating portion of the pull tab is pulled, the driving portion moves backward and presses the latch downward to unlatch the latch from the mating connector.

However, after the pulling drawstring, because drawstring and insulator upside keep the interval, the drawstring can take place the rotation downwards, influence the interact effect of drive division and hasp piece to influence hasp and unblock effect, and when the drawstring moved backward, the drive division supported and pressed hasp piece and backward movement, hasp piece and butt joint connector unblock, afterwards, drive division atress balance keeps quiescent condition, can't return automatically, need the extra operation of staff just can hasp again and unblock, the operation is inconvenient. In addition, after the drawstring and the locking piece are assembled to the insulation body, the drawstring and the upper side of the insulation body keep an interval before the drawstring is not pulled, and when the locking piece is pressed by hands, hands can be located in the interval between the drawstring and the insulation body, so that the hands can touch the drawstring and damage the drawstring.

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 unblock, can not pin stretching strap and hasp simultaneously, stretching strap and hasp can automatic playback, convenient operation, and hasp piece and butt joint connector have better hasp and dropout effect simultaneously to can not harm the electric connector of stretching strap, in order to reach above-mentioned purpose, the utility model discloses a following technical scheme:

an electrical connector is provided, which is connected with butt connector forward, and includes insulation body, which has two insulation blocks protruded from it, each insulation block has limit slots, 3 butt-joint part set on the insulation body to connect with the butt connector, locking piece fixed between the two insulation blocks, the front section of the locking piece has 5 locking part to lock with the butt connector, pulling belt has driving part above the locking piece, the driving part has two limit sections near its two ends, the two limit sections are set in the two limit slots and limited by the two limit slots along up and down direction, the two ends of the driving part are connected with two connecting parts, of the insulation blocks and the connecting parts on the same side of the driving part have matching slots, and have matching parts, the matching parts can be set in the matching slots along front and back direction, the matching part has matching slots to limit sliding of the locking part and the matching part is located behind the locking piece, when the locking piece is pulled and the locking part is pulled to move backward, the insulation block is matched with the back of the locking piece, and the locking part has 8938, and the matching part is pulled backward, the locking part, the locking piece, and the locking part is matched with the back part, and the locking part, and the locking part are pulled backward, and the locking part, and the.

, each limiting groove is formed by being recessed backwards from the front end of each insulating block, each limiting groove is provided with an upper limiting surface , a lower limiting surface and a rear limiting surface , and the limiting section is located between the upper limiting surface and the lower limiting surface and in front of the rear limiting surface.

, two ends of the driving part are fixedly connected to the two connecting parts, each is concavely provided with a matching groove of along the front-back direction from the side surface of the connecting part, each is positioned at each and behind the limiting groove, and each is convexly formed from each towards the side surface of the insulating block close to each .

, each matching groove is in a closed long hole shape, and each matching part is in a convex column shape.

, each connecting part is located at the outer side of each insulating block, and each limiting part is located at each

The lower side of the connecting part is formed in a downward protruding mode, and the limiting part is in a convex hull shape.

And , forming a limiting part in a downward protruding mode from the lower side of the connecting part, wherein the limiting part is in a convex hull shape.

And , the width of the driving part is larger than the distance between the two insulation blocks.

And , a pull handle is formed by extending backwards from the two connecting parts, the pull handle is connected with the rear ends of the two connecting parts, and the driving part is connected with the front ends of the two connecting parts.

And , forming a matching groove in a concave mode from the side face of the insulating block along the front-back direction, wherein the matching groove is located on the rear side of the insulating block, and the part, located in the matching groove, of the connecting part is the matching part.

, the two connecting parts are respectively bent from the two ends of the driving part and extend backwards.

, bending the matching part and extending the matching part backwards to form a clamping part, wherein the clamping part is clamped on the handle.

And , the limiting part extends forwards from the front end of the handle, and is positioned below the clamping part and limited upwards by the clamping part.

, the thickness of the limiting part is smaller than that of the front end of the handle, and the top surface of the limiting part and the front end surface of the handle together enclose a accommodating space to accommodate the clamping part.

, the insulation body comprises a main body and a plug part extending forwards from the main body, a circuit board is arranged on the insulation body, the front section of the circuit board protrudes forwards out of the plug part to form the butt joint part, the rear section of the circuit board is located inside the main body, and a cable is welded with the rear section of the circuit board and is electrically connected with the butt joint part.

, the latch has a elastic part behind the latch, the elastic part includes a inclined part and a pressing part extending from the rear of the inclined part, when the pressing part is pressed by hand, the latch and the mating connector are unlocked or the handle is pulled, the driving part is displaced backwards and pressed downwards against the inclined part, and the latch and the mating connector are unlocked.

Compared with the prior art, the utility model has the advantages that the drawstring has drive part, the drive part is located above the lock catch piece, the drive part is provided with two limiting sections adjacent to the two ends of the drive part, the two limiting sections are respectively arranged in the two limiting grooves in a sliding manner and are limited by the two limiting grooves in the vertical direction, when the drawstring is pulled, the drive part can press the lock catch piece, the lock catch piece is unlocked with the butting connector, after the limiting sections are limited by the limiting grooves, the limiting sections can automatically return to the original positions, the drawstring and the lock catch can not be kept in a static state, the drawstring can be repeatedly pulled to be unlocked with the butting connector without additional operation of hands, the two ends of the drive part are connected with two connecting parts, insulation blocks located on the same side as the drive part and the side and 3656 insulation blocks are provided with matching grooves, the other insulation blocks are provided with matching parts, the matching parts can slide in the matching grooves in the front and back direction in the matching grooves, the upward or downward rotation can be prevented, the drawstring is ensured to be in the horizontal state in the process of the insulation block and the insulation block can not be prevented from being damaged by the handle when the insulation block and the insulation block before the insulation block and the insulation block are assembled, the insulation block can not be damaged, the drawstring, the insulation block can not be prevented from contacting with the insulation block, the insulation block can not contacting with.

[ description of the drawings ]

Fig. 1 is a partially exploded view of an electrical connector;

fig. 2 is a perspective view of the electrical connector and the mating connector prior to mating;

fig. 3 is a perspective view of the electrical connector and the mating connector after mating;

fig. 4 is a plan view of the electrical connector and the mating connector after mating;

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

FIG. 6 is a cross-sectional view of the electrical connector and the docking connector after pulling on the pull tab;

FIG. 7 is a cross-sectional view of the electrical connector and the mating connector after the electrical connector and the mating connector are unlocked;

FIG. 8 is a partial cross-sectional view of FIG. 3;

fig. 9 is a partially exploded view of the electrical connector of the second embodiment;

fig. 10 is a perspective view of the second embodiment of the electrical connector and the mating connector prior to mating;

fig. 11 is a perspective view of the second embodiment of the electrical connector and the mating connector after mating;

fig. 12 is a plan view of the second embodiment of the electrical connector and the mating connector after mating;

FIG. 13 is a cross-sectional view taken along line B-B of FIG. 12;

FIG. 14 is a cross-sectional view of the electrical connector and the docking connector after the pull tab is pulled in accordance with the second embodiment;

fig. 15 is a cross-sectional view of the electrical connector and the mating connector after the electrical connector and the mating connector of the second embodiment are unlocked;

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

insulating body 1	Main body 11	Insulating block 12	Limiting groove 121
				Fitting portion 122	Upper limiting surface 123	Lower limiting surface 124	Rear limiting surface 125
Positioning groove 13	Plug-in part 14	Bump 15	Mounting groove 16
				Latch 161	Circuit board 2	Butt joint part 21	Cable 3
Inner mold 4	Fastener 5	Mounting part 51	Bottom sheet 511
				Card hole 512	Top sheet 513	Locking part 514	Elastic part 52
Inclined portion 521	Pressing part 522	Extension 523	Drawstring 6
				Driving part 61	Position limiting section 611	Two ends 612 of the driving part	Connecting part	62
Fitting groove 621	Restricting part 622	Handle 63	Electrical connector 100
				Docking connector 200

Detailed description of the second embodiment

Insulating body 7	Main body 71	Insulating block 72	Limiting groove 721
				Fitting groove 722	Upper limiting surface 723	Lower limiting surface 724	Rear limiting surface 725
Positioning groove 73	Plug-in part 74	Bump 75	Mounting groove 76
				Fixture 761	Drawstring 8	Driving part 81	Spacing segment 811
Both ends 812 of the driving part	Connecting part	82	Fitting part 821					Clip portion 83
				Restricting portion 84	Handle 85

[ 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 .

Referring to fig. 1, 2 and 5, the electrical connector 100 of the present invention is forwardly engaged with an docking connector 200. the electrical connector 100 includes a insulative housing 1, a circuit board 2, a cable 3, a inner mold 4, a locking piece 5 and a pulling strip 6. the circuit board 2 is partially embedded in the insulative housing 1, the cable 3 is welded to the circuit board 2, the inner mold 4 is injection molded on the rear side of the circuit board 2, the locking piece 5 is mounted on the upper side of the insulative housing 1, and the pulling strip 6 is located on the upper side of the insulative housing 1 and connected to the locking piece 5.

As shown in fig. 1, 4 and 5, in this embodiment, the mating direction of the electrical connectors 100 and of the mating connector 200 is front and rear direction, the horizontal direction perpendicular to the front and rear direction is 0 left and right direction, and the vertical direction perpendicular to the front and rear direction is 1 up and down direction, the insulation body 1 includes a 2 main body 11 and a plug 14 extending forward from the main body 11, the plug 14 is inserted forward into the mating connector 200, the width of the main body 11 in the left and right direction is larger than that of the plug 14, two insulation blocks 12 are protruded upward on the main body 11, each insulation block 12 of has spacing grooves 121, each spacing groove 121 of is formed backward from the front end surface of the insulation block 12, and penetrates each insulation block 12 of in the left and right direction, the spacing groove 121 has upper spacing surfaces 123, spacing surfaces 124 and rear spacing surfaces 73125, each upper spacing surface 123 and each lower spacing surface of the insulation blocks 123 are formed opposite to the corresponding insulation block 124, each insulation block 122 has a mating protrusion 8913, and each protrusion 122 is formed between the corresponding positioning groove 7313.

Referring to fig. 1, 2 and 3, two protrusions 15 are upwardly and convexly arranged on the upper side of the insertion part 14, each protrusion is connected with each insulation block 12, each protrusion is connected with each insulation block , the thickness of each protrusion 15 is smaller than that of each insulation block , a installation groove 16 is formed between the two protrusions 15, the installation groove 16 is communicated with the positioning groove 13 in the front-back direction, two blocks 161 are upwardly and convexly arranged on the upper side of the insertion part 14, the two blocks 161 are both positioned in the installation groove 16, and the two blocks 161 are symmetrically arranged relative to the center of the installation groove 16.

As shown in fig. 5, 6, and 7, the rear section of the circuit board 2 is located in the main body 11, the front section of the circuit board 2 protrudes forward out of the insertion part 14 to form a docking part 21, the docking part 21 is used for electrically connecting with the docking connector 200, cables 3 are soldered to the rear section of the circuit board 2 and electrically connected with the docking part 21, the cables 3 extend backward out of the main body 11, the inner mold 4 is injection molded at the soldered portion of the cables 3 and the circuit board 2, the inner mold 4 is located in the main body 11, and the insulating body 1 is injection molded outside the circuit board 2 and the inner mold 4.

As shown in fig. 1, 3 and 5, the locking device 5 is mounted on the upper side of the insulating body 1, the locking device 5 includes mounting portions 51 and resilient portions 52, the mounting portion 51 is located on the upper side of the insertion portion 14 and located in the mounting groove 16, the resilient portion 52 is located on the main body 11 and partially located in the positioning groove 13, the mounting portion 51 includes a base piece and a top piece 513 bent upward and extending rearward from the base piece 511, two locking portions 514 are disposed on the top piece 513, the locking portions 514 are used for locking and unlocking the mating connector 200, the base piece 511 is concavely provided with two locking holes 512, each locking hole 512 is fastened to each locking block 161 of for fixedly mounting the locking device 5 on the upper side of the insulating body 1, the top piece 513 extends rearward with a resilient portion 52 of , the resilient portion 52 includes an inclined portion 521 extending rearward and upward from the top piece 513, a pressing portion 522 extending rearward and a pressing portion 522 extending from the pressing portion 522, the pressing portion 522 is spaced apart from the pressing portion 522 and the pressing portion 522 is pressed downward by a distance enough to the pressing portion 522 of the upper portion 522 to press the upper portion 522 and the resilient portion 522 to press the upper portion 522 and press the upper portion 522 to ensure that the upper portion 522 and the upper portion 522 to press the mating connector 200, when the upper portion 522 and the resilient portion 522 and the upper portion 522, the upper portion 522 and the upper portion 522.

As shown in fig. 1, 3, and 5, the pull strap 6 is located above the insulating body 1 and connected to the locking device 5, the front end of the pull strap 6 has driving portions 61, the driving portions 61 are cylindrical, the driving portions 61 are located above the inclined portion 521, the driving portions 61 have two limiting sections 611 near two ends thereof, the two limiting sections 611 are respectively slidably disposed in the two limiting grooves 121 and are limited by the two limiting grooves 121 in the up-down direction, the limiting sections 611 are located between the upper limiting surface 123 and the lower limiting surface 124 and are located in front of the rear limiting surface 125, the two ends 612 of the driving portions are connected to two connecting portions 62, each connecting portion is located outside each of the insulating blocks 12, the width of the driving portion 61 is greater than the distance between the two insulating blocks 12, the two ends 612 of the driving portion are embedded in the two connecting portions 62, the driving portion 61 is a metal part, and is injection-molded on the two connecting portions 62 through the two ends 612 of the driving portion, which is convenient to process and reduce the processing cost.

As shown in fig. 1 and 3, in fig. 6, each , a fitting groove 621 is formed by recessing the side surface of the connecting portion 62 in the front-back direction, each fitting groove 621 is located at each behind the limiting groove 121, the fitting portion 122 can slide in the fitting groove 621 in the front-back direction, the fitting groove 621 is in a closed long hole shape, each is provided with a limiting portion 622 protruding downwards at the bottom of the connecting portion 62, each the limiting portion 622 is in a convex bag shape, the limiting portion 622 is located behind the two insulating blocks 12 and above the insulating body 1, the limiting portion 622 is in contact with the insulating body 1, the pressing portion 522 is located in front of the limiting portion 622, and when a person presses the pressing portion 522 with a hand, the hand cannot be located in a gap between the pull belt 6 and the insulating body 1, so that the pull belt 6 cannot be touched and damage the pull belt 6 cannot be caused.

As shown in fig. 3, 5 and 7, of the pull tab 63 is provided behind the limiting portion 622, the pull tab 63 is formed to extend backward from the connecting portion 62, the pull tab 63 connects the rear ends of the two connecting portions 62, when the pull tab 63 is pulled, the driving portion 61 is displaced backward and pressed downward against the inclined portion 521 of the locking member 5, the engaging slot 621 moves backward, the locking portion 514 moves downward and reaches a lower position, the locking member 5 is unlocked from the mating connector 200, after that, the driving portion 61 abuts against the upper limiting surface 123, after the upper limiting surface 123 acts on the driving portion 61, the driving portion 61 moves downward and is stopped by the lower limiting surface 124, so that the pull tab 6 can automatically return to the original position, the pull tab 6 and the locking member 5 do not remain in a static state, and the pull tab 6 can be pulled repeatedly to unlock the mating connector 200, and no additional manual operation is required for locking and unlocking.

Referring to fig. 9 to 15, a second embodiment of the electrical connector 100 and the mating connector 200 is different from the above embodiments in that the structure of the insulating body 7 and the pull strip 8 is changed, the two connecting portions 82 are respectively bent from the two ends 812 of the driving portion and extend backward, the engaging portion 821 0 is bent and extend backward to form a engaging portion 83 of 1 every , the engaging portion 83 is engaged with the handle 85 every , the limiting portion 84 extends forward from the front end of the handle 85, the limiting portion 84 is located below the engaging portion 83, the thickness of the limiting portion 84 is smaller than that of the front end of the handle 85, the top surface of the limiting portion 84 and the front end surface of the handle 85 together define a accommodating space C to accommodate the engaging portion 83, each of the engaging groove 722 is recessed 722 from the side surface of the insulating block 72 along the front-back direction, each engaging groove 722 is located at the rear side of the insulating block 72 every 7335, each engaging groove 722 is located at the lower engaging portion 821 and is located at the lower engaging portion and is used for limiting the downward movement of the engaging portion 81 when the two engaging portions 81 and the engaging portion 81 and the lower engaging portion 82 are pushed and moved to the lower engaging portion 82, the lower engaging portion 82 is located at the lower engaging portion 21 and the lower engaging portion 82, the engaging portion 82 and the lower engaging portion 82, the engaging portion 82 is located at the lower engaging portion 21, the lower engaging portion 82, the lower engaging portion 21, the engaging portion 85, the lower engaging portion 85, the engaging portion 82, the engaging portion 21 is located at the lower engaging portion 82, the engaging portion 21.

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 has following beneficial effect:

1. the driving portion 61 is located above the locking piece 5, the driving portion 61 is provided with two limiting sections 611 adjacent to two ends of the driving portion 61, the two limiting sections 611 are respectively arranged in the two limiting grooves 121 in a sliding mode and are limited by the two limiting grooves 121 in the up-down direction, when the pull strip 6 is pulled, the driving portion 61 abuts against and presses the locking piece 5, the locking piece 5 is unlocked with the butting connector 200, after the driving portion 61 is limited by the limiting grooves 121, the driving portion can automatically return to an original position, the pull strip 6 and the locking piece 5 cannot keep a static state, the pull strip 6 can be repeatedly pulled to be unlocked with the butting connector 200, no extra operation of a human hand is needed to lock and unlock, of the insulation block 12 and the connecting portion 3962 located on the same side as the driving portion 61 and the side are provided with the matching grooves 621, another of the insulation block 12 and the connecting portion 3962 is provided with the matching portions , the matching portions 122 can slide in the matching grooves 621 in the front-back direction, the upward or up-down rotation of the insulation block 12 can be prevented, the pull strip 6 is in a horizontal state during pulling, the pulling process, the insulation block 522 and the pulling process can be ensured to be better in contact with the pressing portion of the pressing portion 12, the pressing portion 522, the insulation block and the insulation block 200, the insulation block can not damage to the insulation block 12, the insulation block 200 can be prevented from being damaged when the pull strip 12, the insulation block can be prevented from being damaged, the insulation block 522, the insulation block 12 and the insulation block 12, the pull strip is not caused by the pull strip 12, the insulation block, the pull strip 522, the pull strip.

2. The limiting groove 121 is formed by being recessed backwards from the front end of the insulating block 12, so that the driving part 61 can be conveniently assembled to the limiting groove 121 from the front end of the insulating block 12, the assembly cost is saved, each of the limiting groove 121 is provided with upper limiting surfaces 123, lower limiting surfaces 124 and rear limiting surfaces 125, the limiting section 611 is positioned between the upper limiting surface 123 and the lower limiting surface 124 and in front of the rear limiting surfaces 125, and therefore the limiting section 611 can be stopped by the limiting groove 121 in the up-down direction and the rear direction.

3. Each of the fitting grooves 621 are formed by recessing the side surface of the connecting part 62 from each along the front-back direction, and each of the fitting part 122 is formed by protruding from each of the side surface of the insulating block 12 towards the direction approaching to each of the fitting groove 621, so that the fitting part 122 can conveniently slide in the front-back direction in the fitting groove 621.

4. Every cooperation groove 621 is confined slot shape, every cooperation portion 122 is the projection, works as cooperation portion 122 is in when cooperation groove 621 slides, because cooperation groove 621 is the closure, cooperation portion 122 can not follow slide in the cooperation groove 621.

5. The driving portion 61 is cylindrical, the inclined portion 521 has a small contact area with the driving portion 61, the friction force between the locking piece 5 and the driving portion 61 is small, and when the handle 63 is pulled, unlocking can be achieved only through small force, so that operation is convenient.

6. Restriction 622 certainly connecting portion 62 downside is protruding downwards and is established the formation, restriction 622 is the convex bag form, restriction 622 with insulator 1 upside area of contact is less, stretching strap 6 with insulator 1's frictional force is less, and when pulling handle 63, the frictional force that needs to overcome is less, the convenient unblock.

7. The limiting portion 84 is located below the clamping portion 83 and limited by the clamping portion 83 to prevent the clamping portion from moving upwards, the limiting portion 84 abuts against the upper side of the insulating body 7 to prevent the clamping portion from moving downwards, and the pull belt 8 is guaranteed to be in a horizontal state in the pulling process.

8. The thickness of the limiting portion 84 is smaller than that of the front end of the handle 85, the top surface of the limiting portion 84 and the front end surface of the handle 85 jointly enclose the accommodating space C to accommodate the clamping portion 83, and assembly and processing are facilitated.

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 forwardly with a mating connector, comprising:

insulation body, wherein the insulation body is provided with two insulation blocks in a protruding way, each insulation block is provided with a limit groove;

mating part disposed on the insulating body for electrically connecting with the mating connector;

locking part fixed between two insulation blocks, the front section of the locking part has locking part for locking with the butt connector;

a drawstring, which has a driving part, the driving part is located above the locking part, the driving part has two limit sections near its two ends, the two limit sections are respectively arranged in the two limit grooves in a sliding way and limited by the two limit grooves along the up-down direction, the two ends of the driving part are connected with two connecting parts, of the insulating blocks and the connecting parts which are located on the same side of the driving part have matching grooves, and of the driving part have matching parts, the matching parts can slide in the matching grooves along the front-back direction, the drawstring has a limiting part, the limiting part is located behind the two insulating blocks and contacts with the insulating body, and a handle is located behind the limiting part;

when the handle is pulled backwards, the driving part is displaced backwards and is pressed against the locking piece downwards, the matching part or the matching groove slides backwards, and the locking piece is unlocked with the butting connector.
2. The electrical connector of claim 1, wherein each of said retention grooves is recessed rearwardly from each of said front ends of said dielectric blocks, each of said retention grooves has upper, lower and rear retention surfaces, said retention segments being located between said upper and lower retention surfaces and forwardly of said rear retention surface.
3. The electrical connector as claimed in claim 1, wherein both ends of the driving portion are fixedly connected to the two connecting portions, each of the engaging grooves is formed by recessing the side surface of each of the connecting portions in the front-rear direction, each of the engaging grooves is located behind each of the retaining grooves , and each of the engaging portions is formed by protruding from the side surface of each of the insulating blocks in the direction approaching each of the engaging grooves .
4. The electrical connector of claim 3, wherein each of said mating grooves is closed and has an elongated hole shape, and each of said mating portions has a convex post shape.
5. The electrical connector of claim 1, wherein: the driving part is cylindrical, and two ends of the driving part are embedded and formed in the two connecting parts.
6. The electrical connector of claim 1, wherein each of said connecting portions is located outside each of said dielectric blocks, each of said restricting portions is formed to protrude downward from the lower side of each of said connecting portions, and said restricting portions are convex.
7. The electrical connector of claim 1, wherein: the width of the driving part is larger than the distance between the two insulation blocks.
8. The electrical connector of claim 1, wherein: the handle is formed by extending the two connecting parts backwards, the handle is connected with the rear ends of the two connecting parts, and the driving part is connected with the front ends of the two connecting parts.
9. The electrical connector of claim 1, wherein each of said engaging grooves is formed by recessing each of said outer side surface of said insulating block in the front-rear direction, each of said engaging grooves is located at the rear side of said insulating block, and the portion of each of said connecting portions located in each of said engaging grooves is said engaging portion.
10. The electrical connector as claimed in claim 1, wherein the two connecting portions are respectively bent from the two ends of the driving portion and extend backward.
11. The electrical connector of claim 1, wherein each of said mating portions is bent and has a snap-fit portion extending rearwardly therefrom, each of said snap-fit portions being snap-fit to said handle.
12. The electrical connector of claim 11, wherein: the limiting part is formed by extending the front end of the handle forwards, and the limiting part is located below the clamping part and is limited by the clamping part upwards.
13. The electrical connector as claimed in claim 12, wherein the thickness of the limiting portion is smaller than that of the front end of the pull tab, and the top surface of the limiting portion and the front end surface of the pull tab together form an accommodating space for accommodating the clamping portion.
14. The electrical connector of claim 1, wherein the housing comprises a main body and a mating part extending forward from the main body, a circuit board is disposed on the housing, a front portion of the circuit board projects forward from the mating part to form the mating part, a rear portion of the circuit board is disposed inside the main body, and a cable is soldered to the rear portion of the circuit board and electrically connected to the mating part.
15. The electrical connector of claim 1, wherein said latch member has resilient portions located behind said latch portion, said resilient portions including inclined portions and pressing portions extending behind said inclined portions, said latch member being unlocked from said mating connector when said pressing portions are pressed by hand or said actuating portions being displaced rearwardly and pressed downwardly against said inclined portions when said handle is pulled, said latch member being unlocked from said mating connector.