TWI548157B - Connector - Google Patents

Description

Connector

The Chinese Patent Publication No. CN102210062A, issued Oct. 05, 2011, discloses a connector which, in one embodiment, has a locking member that terminates at a free end, a pair of locking hooks being disposed freely On the end, the locking member is integrally connected with the rear fastener, and the rear fastener not only applies a holding force to the two half shells, but also locks without using rivets, screws or other types of fasteners that require labor assembly. The member is held in position on the connector housing, the rear fastener is in the form of a retaining member, which preferably includes a collar portion on which is disposed a positioning device that cooperates with the housing, the collar portion at least partially surrounding And preferably completely surrounding the outer perimeter or perimeter of the connector body portion located near the rear or proximal end of the connector.

However, the drawback of this type of connector is that the collar portion of the rear fastener generates more waste during production, and there is a great waste in cost and materials. It is necessary to provide a positioning device on the metal sheet and to The metal sheet is bent into a closed structure, and the manufacturing process is very complicated, and the positioning requirements are strict at the time of installation.

The Chinese Patent Publication No. CN200969446Y, issued Oct. 31, 2007, discloses a connector, in one embodiment the first end of the locking arm of the locking member of the connector is circular or disk-shaped, thereby It does not affect the sliding of the underlying parts. By forming the channel into a "T" shape, and forming the first end of the lock arm into this phase The mating shape, the finished material of the rear case in which the passage is formed, forms a structure capable of resisting the removal force exerted on the lock arm due to the force applied to the plug connector. The lock arm is preferably spring steel or rigid plastic that is secured to the top surface of the rear case by rivets, adhesives or screws.

However, the connector has the disadvantage that the connector is generally wide, does not meet the current trend of narrow and small connectors, and the fixing of the locking arm requires rivets or other materials, and the installation is complicated and the process is complicated.

In view of the above problems, it is necessary to provide a new connector to improve the above deficiencies.

The technical problem to be solved by the present invention is to provide a connector in which the manufacture and assembly of the locking mechanism is more convenient and simple, and material is saved.

In order to achieve the above object, the present invention can adopt the following technical solution: a connector comprising: a housing, a printed circuit board housed in the housing, a plurality of cables electrically connected to the printed circuit board, and a lock mounted on the housing a buckle mechanism, the housing includes a mating portion adapted to be mounted in the mating connector and a main body portion having a size larger than the mating portion, the housing including a first housing and a second housing mating to the left and right, The locking mechanism includes a locking member and a driver that is horizontally movable under the locking member, the locking member includes a fastening portion extending beyond the main body portion and disposed above the butting portion, a holding portion and a connection fixed to the main body portion a connecting portion of the latching portion and the retaining portion, when the driver is driven, the driver can move the latching portion of the latching member in a direction away from the mating portion by the holding portion, the first housing and the second shell At least one of the body is provided with a retaining groove for receiving the retaining portion, and the retaining portion is loaded into the retaining groove before the first and second housings are assembled, and is restrained after the first and second housings are assembled. In the main body.

Compared with the prior art, the present invention has at least the following beneficial effects: the locking member is provided with a holding portion, which is only required to be made of less material, and cooperates with the holding groove on the housing, and the simple assembly is performed. The effect of the fixed locking mechanism, while occupying a small space and saving material.

The invention will be described in detail below with reference to the drawings.

100‧‧‧Connector

1‧‧‧shell

10‧‧‧First housing

11‧‧‧ second housing

12‧‧‧ Frame Department

120‧‧‧ card slot

13‧‧‧First Coordination Department

130‧‧‧ first side

131‧‧‧First border

132‧‧‧second border

133‧‧‧With slot

134‧‧‧stop

14‧‧‧Second Matching Department

140‧‧‧Sag slot

15‧‧‧ Third Coordination Department

150‧‧‧ third side

151‧‧‧ third border

152‧‧‧fourth border

153‧‧‧With slot

154‧‧‧stop

155‧‧‧ card block

16‧‧‧ Fourth Coordination Department

160‧‧‧ protruding edge

17‧‧‧Closed perimeter

2‧‧‧Printed circuit board

21‧‧‧ first part

210‧‧‧Metal conductive sheet

22‧‧‧ second part

220‧‧‧Metal conductive sheet

23‧‧‧Steps

3‧‧‧ Cable

31‧‧‧core

311‧‧‧Electrical conductor

312‧‧‧Insulation

32‧‧‧woven layer

33‧‧‧Insulated outer skin

330‧‧‧Folding

4‧‧‧Locking mechanism

41‧‧‧Locks

410‧‧‧Detention Department

411‧‧‧ Holding Department

412‧‧‧Connecting Department

413‧‧‧ hook

414‧‧‧ inclined section

415‧‧‧ Limit hole

42‧‧‧ drive

420‧‧‧ cam

421‧‧‧ Pulling

422‧‧‧Bumps

423‧‧‧Stretching Department

424‧‧‧ ribs

5‧‧‧Docking Department

6‧‧‧ Main body

60‧‧‧Installation column

61‧‧‧Installation column

62‧‧‧Installation holes

63‧‧‧ screws

64‧‧‧storage trough

640‧‧‧ bottom

641‧‧‧Bevel

642‧‧‧ horizontal plane

643‧‧‧Transitional slope

65‧‧‧ holding slot

66‧‧‧Line hole

7‧‧‧Metal ring

8‧‧‧Fixed block

9‧‧‧Hot melt adhesive

The first figure is a perspective view of a connector in accordance with the present invention.

The second figure is a partially exploded view of the connector lock shown in the first figure separated from the other parts.

The third figure is a partial exploded view of the connector locking mechanism shown in the first figure separated from the other parts;

The fourth figure is an exploded view of the connector shown in the first figure.

The fifth figure is an exploded view of another angle of the connector shown in the first figure.

Figure 6 is a cross-sectional view taken along line VI-VI of the first figure when the connector latching mechanism shown in the first figure is in the snapped state.

Figure 7 is a cross-sectional view taken along line VI-VI of the first figure when the connector latching mechanism shown in the first figure is in the unlocked state.

The eighth drawing is a cross-sectional view taken along the line VIII-VIII in the first drawing.

The ninth drawing is a cross-sectional view taken along the line IX-IX in the first drawing.

Referring to the first to third figures, the present invention discloses a connector 100 that can be connected to a cable 3. The connector 100 includes a housing 1 and is housed in the housing 1 and above and below. a pair of printed circuit boards 2 disposed at intervals and a latch mechanism 4 mounted on the housing 1 for snapping with a mating connector (not shown), the cables 3 being electrically coupled to a pair of printed circuit boards 2, respectively In the embodiment, the copper wire is connected, and in other embodiments, the photoelectric conversion module can be added to directly connect the optical cable.

As shown in the fourth and fifth figures, the housing 1 is made of a metal material, and includes an abutting portion 5 adapted to be mounted in a mating connector (not shown) and a main body portion 6 having a size larger than the abutting portion 5. The housing 1 includes a first housing 10 and a second housing 11 that is coupled to the left and right. The first housing 10 includes a peripherally closed frame portion 12 at a front end thereof, and a first mating portion 13 that is not closed at the periphery. And a second mating portion 14 having a larger size than the first mating portion 13 , wherein the first mating portion 13 is connected to the frame portion 12 and located behind the frame portion 12 , and the first mating portion 13 includes the first side surface 130 . The first frame 131 of the side surface 130 extends perpendicularly toward the assembly direction of the housing 1 and the second frame 132 of the first side surface 130 extends perpendicularly toward the assembly direction of the housing 1 . The second housing 11 includes a third mating portion 15 that is not closed with the first mating portion 13 and a fourth mating portion 16 that is larger than the third mating portion 15 . The third mating portion 15 includes a third side surface 150 . The third frame 151 extending perpendicularly to the assembly direction of the housing 1 at the top end of the third side surface 150 and the fourth frame 152 extending perpendicularly to the bottom end of the third side surface 150 toward the housing 1 assembly direction. The first engaging portion 13 and the third engaging portion 15 cooperate to form a closed peripheral portion 17, and the closed peripheral portion 17 and the frame portion 12 together form the abutting portion 5, and the second engaging portion 14 and the fourth engaging portion 16 are assembled to form the Main body portion 6. The first engaging portion 13 is provided with a matching groove 133. The engaging groove 133 extends from the first engaging portion 13 toward the frame portion 12, and the first engaging portion 13 is further provided with a stopping portion 134 located behind the engaging groove 133. The third fitting portion 15 is also provided with a fitting groove 153 and a stopper portion 154 corresponding to the first fitting portion 13. The front end of the third engaging portion 15 is provided with a latching block 155 extending forwardly. The frame portion 12 of the first housing 10 is provided with a latching groove 120 that cooperates with the latching block 155. First shell of connector 100 The main body portion 6 of the body 10 includes at least one mounting post 60. The second housing 11 is correspondingly provided with a mounting post 61. When the first and second housings 10 and 11 are assembled, the front mounting surfaces of the two mounting posts 60 and 61 are aligned. A mounting post 60 or 61 extends through the inner and outer surfaces of the housing 1 to form a mounting hole 62. The connector further includes a mounting hole 62 extending from the mounting hole 62 to cooperate with the mounting posts 60, 61 to fix the second housing 11 and the first housing 10 Screws 63 together. The second engaging portion 14 on the first housing 10 is provided with a recessed slot 140 along the edge of the assembly surface thereof, and the fourth engaging portion 16 on the second housing 11 is provided with a protruding edge 160 matching the edge thereof along the edge thereof. In other embodiments, the second engaging portion 14 is provided with a protruding edge 160, and the fourth engaging portion 16 is provided with a recessed slot 140. The main body portion 6 is provided with a receiving groove 64 for receiving the locking mechanism 4, and the receiving groove 64 is provided with a bottom surface 640. The bottom surface 640 includes a slope 641 extending obliquely toward the abutting portion 5, a horizontal surface 642, and a connecting horizontal surface 642 and a slope 641. The transition slope 643 has a degree of inclination of the transition slope 643 that is smaller than the inclination of the slope 641. At least one of the first housing 10 and the second housing 11 is provided with a holding groove 65. In this embodiment, the first housing 10 and the second housing 11 are both provided with a holding groove 65, and the holding groove 65 is The receiving groove 64 is in communication. The tail portion of the casing 1 is provided with two wire-arranging holes 66 arranged in the up-and-down direction for mounting the cable 3.

The printed circuit board 2 includes a first portion 21 that is smaller in size and located at the front end, a second portion 22 that is larger in size at the rear end, and a step portion 23 that is formed between the first portion 21 and the second portion 22, on the first portion 21 The plurality of metal conductive sheets 210 are included, and the second portion 22 includes a plurality of metal conductive sheets 220. The pair of printed circuit boards 2 are mounted into the corresponding mating grooves 133, 153. As shown in the ninth figure, the step portions 23 are matched. The front ends of the slots 133, 153 cooperate to limit the forward movement of the printed circuit board 2, and the rear end of the second portion 22 cooperates with the stops 134, 154 to prevent the printed circuit board 2 from moving backward. In the present embodiment, the printed circuit board 2 is a pair, and in other embodiments, the printed circuit board 2 may be one or more.

The cable 3 includes a plurality of core wires 31 disposed therein, a braided layer 32 covering the core wires 31, and an insulating sheath 33 covering the braid layer 32. The core wires 31 include a conductor 311 and an inner insulating sheath 312 surrounding the conductors 311, and the electrical conductors The 311 is electrically connected to the metal conductive sheet 220 on the printed circuit board 2, and the insulating sheath 33 is folded over at the top end thereof to fold the woven layer 32 onto the insulating sheath 33 to form a folded portion 330, and is folded at the folding portion 330. The metal ring 7 and the metal ring 7 receive the residual wire of the braid layer 32. When the housing 1 is assembled, the metal ring 7 is located at the wire hole 66. The front end of the core wire 31 is provided with a fixing for fixing the core wires 31 to each other. Block 8.

As shown in the third figure, the locking mechanism 4 is located in the receiving groove 64 of the main body portion 6, and includes a locking member 41 and a driver 42 horizontally movable under the locking member 41, wherein the locking member 41 is stamped by a metal material. The bending portion comprises a fastening portion 410 extending beyond the main body portion 6 and disposed above the abutting portion 5, a holding portion 411 fixed to the main body portion 6, and a connecting portion 412 connecting the fastening portion 410 and the holding portion 411. The holding portion 411 is symmetrically disposed on both sides of the connecting portion 412 , and the holding portion 411 is received in the holding groove 65 . The holding portion 411 is inserted into the holding groove 65 before the first and second housings 10 and 11 are assembled. And after the first and second housings 10, 11 are assembled, they are restrained in the main body portion 6. When the driver 42 is driven, the driver 42 can rotate the latching portion 410 of the latching member 41 in a direction away from the mating portion 5 with the holding portion 411 as a support. The latching portion 410 includes a pair of hooks 413 that are latched with the mating connector (not shown). The hooks 413 are located at two sides of the bottom end of the latching portion 410 and extend outwardly. The connecting portion 412 of the latching member 41 has The inclined portion 414 is disposed at the inclined surface 641, and the driver 42 drives the inclined portion 414 of the locking member 41 at the inclined surface 641. The connecting portion 412 is further provided with a limiting hole 415 penetrating the upper and lower surfaces thereof. The driver 42 includes a cam 420 disposed in front of the driver 42 and a pull belt 421 for operation. The cam 420 is disposed between the inclined surface 641 and the inclined portion 414. The horizontal movement of the pull belt 421 drives the cam 420 to move along the inclined surface 641 to drive the buckle portion 410. Rotating away from the butting portion 5 to achieve The effect of detachment from a docking connector (not shown). The upper surface of the strap 421 is upwardly protruded to form a projection 422 that cooperates with the limiting hole 415. The draw tape 421 includes a stretched portion 423 extending rearward from the casing 1 with a rib 424 on the stretched portion 423 that increases friction to facilitate stretching.

Referring to the first to sixth figures, when the connector 100 is assembled, first, the front ends of the core wires 31 are fixed to each other by the fixing blocks 8, and the conductors 311 of each of the core wires 31 in the cable 3 are soldered to the printed circuit. The metal conductive sheet 220 of the second portion 22 of the board 2 is electrically connected to each other, and the solder joints of the core wire 31 and the metal conductive sheet 220 are covered with the hot melt adhesive 9. Thus, the combination of the cable 3 and the printed circuit board 2 is formed. Since the printed circuit board 2 is a pair in this embodiment, the combination of the cable 3 and the printed circuit board 2 is also a pair.

Next, the opening of the first casing 10 is placed upward so that the mounting direction is perpendicular to the docking direction, and the combination of the cable 3 and the printed circuit board 2 is received in the first casing 10, and the fitting groove 133 in the first casing 10 is provided. The printed circuit board 2 is received, and the cable 3 extends from the housing hole 1 through the housing hole 1. At this time, the second portion 22 of the printed circuit board 2 is located in the mating groove 133, the step portion 23 is snapped at the front end of the mating groove 133, and the rear end of the second portion 22 abuts against the stopper portion 134, thus making the printed circuit board 2 is positioned in the front and rear directions within the first housing 10.

Then, the driver 42 is placed under the locking member 41 to form the locking mechanism 4. At this time, the protrusion 422 on the driver 42 is located in the limiting hole 415 of the locking member 41, and the cam 420 on the driver 42 is located in the locking member. The inclined portion 414 of 41.

The latching mechanism 4 is then assembled on the first housing 10 , and the latching mechanism 4 is placed vertically in the receiving slot 64 of the first housing 10 . The retaining portion 411 of the latching member 41 is disposed on the first housing 10 . In the holding groove 65 , the fastening portion 410 extends beyond the main body portion 6 at the abutting portion 5 Above, the driver 42 is disposed between the locking member 41 and the bottom surface 640, most of which is placed on the bottom surface 640, the lower surface of the cam 420 is attached to the inclined surface 641, and the tension portion 423 of the driver 42 is pulled on the belt 421. Extending out of the housing 1. As shown in the sixth and seventh figures, when the pull strap 421 is pulled backward, the cam 420 on the driver 42 drives the latching portion 410 at the front end of the latching member 41 to be lifted upward, so that it is located on both sides of the latching portion 410. The hook 413 also moves upward, and when the driver 42 is restored to the original position, the latch 410 will also return to the original position.

Then, the housing 1 is assembled. As shown in the eighth embodiment, the latch 155 at the front end of the second housing 11 is first inserted into the card slot 120 of the frame portion 12 of the first housing 10 to form abutting portion 5, which will be the first shell. The mounting posts 60, 61 on the body 10 and the second housing 11 are aligned to form the main body portion 6, and the mating slots 153 on the second housing 11 will also receive the other side of the printed circuit board 2, the printed circuit board 2 The rear end also abuts the stop portion 154 of the second housing 11 , and the retaining portion 411 of the latching member 41 is received in the retaining groove 65 on the second housing 11 , and the recess on the second mating portion 14 is narrow. The groove 140 and the protruding edge 160 on the fourth mating portion 16 cooperate to insert the screw 63 into the mounting hole 62 so that the housing 1 is assembled.

So far, the entire cable connector 100 has been assembled, and the connector 100 of the present invention has the advantages of shortening assembly time and cost with respect to the prior art, and the assembly of the housing 1 is more precise, and the fitting groove 133 provided in the housing 1 at the same time. The 153 and the stoppers 134 and 154 are engaged with the step portion 23 and the rear end of the printed circuit board 2 to fix the printed circuit board 2. The lock member 41 is directly fixed to the connector 100 by a simple structural arrangement, and is not required. Excessive screws and the like, while the interaction between the locking member 41 and the driver 42 on the connector 100 has good operability compared to conventional techniques.

The above description is only one embodiment of the present invention, not all or the only embodiments, and those skilled in the art can read the technical description of the present invention by reading the specification of the present invention. Any equivalent changes taken by the scheme are covered by the scope of the patent application of the present invention.

100‧‧‧Connector

41‧‧‧Locks

410‧‧‧Detention Department

411‧‧‧ Holding Department

412‧‧‧Connecting Department

413‧‧‧ hook

414‧‧‧ inclined section

415‧‧‧ Limit hole

42‧‧‧ drive

420‧‧‧ cam

421‧‧‧ Pulling

422‧‧‧Bumps

423‧‧‧Stretching Department

424‧‧‧ ribs

5‧‧‧Docking Department

64‧‧‧storage trough

640‧‧‧ bottom

641‧‧‧Bevel

642‧‧‧ horizontal plane

643‧‧‧Transitional slope

65‧‧‧ holding slot

Claims (10)

A connector connectable to a cable, the connector comprising: a housing comprising a mating portion adapted to be mounted in the mating connector and a body portion having a size greater than the mating portion, the housing comprising a housing and a second housing that cooperates with the left and right sides; a locking mechanism, the locking mechanism is mounted on the housing, the locking mechanism includes a locking member, and the locking member includes an extension beyond a main body portion and a fastening portion disposed above the abutting portion, a holding portion fixed to the main body portion, and a connecting portion connecting the fastening portion and the holding portion, and the driver is located below the locking member and horizontally movable When the driver is driven, the driver may move the latching portion of the locking member in a direction away from the abutting portion by the holding portion; the printed circuit board is received in the housing; wherein At least one of the first housing and the second housing is provided with a retaining groove for receiving the retaining portion, and the retaining portion is loaded into the retaining slot before the first and second housings are assembled, and is first and second After the shell is assembled, it is limited to the main body. . The connector of claim 1, wherein the holding portion is a pair, and the holding portion is symmetrically disposed on both sides of the connecting portion. The connector of claim 1, wherein the main body portion is provided with a receiving groove for receiving a locking mechanism, and the holding groove is in communication with the receiving groove. The connector of claim 1, wherein the latching portion includes a pair of hooks with the mating connector latches, the hooks being located on opposite sides of the bottom end of the latching portion and extending outward. The connector of claim 1, wherein the rear end of the housing has two wire holes for mounting cables, and the two wire holes are arranged in the up and down direction. The connector of claim 3, wherein the receiving slot is provided with a bottom surface, the bottom The face includes a slope extending obliquely toward the abutting portion, the connecting portion of the locking member having an inclined portion provided at the inclined surface, and the driver drives the inclined portion of the locking member at the inclined surface. The connector of claim 6, wherein the driver comprises a cam disposed in front of the driver and a draw belt for operation, the cam being disposed between the inclined surface and the inclined portion, and the horizontal movement of the pull belt Movement of the cam along the ramp causes the latch to rotate away from the docking portion to disengage from the docking connector. The connector of claim 6, wherein the bottom surface of the receiving groove further comprises a horizontal plane and a transitional slope connecting the horizontal plane and the inclined surface, the transition slope being inclined to be less than the slope of the slope. The connector of claim 7, wherein the connecting portion is provided with a limiting hole penetrating the upper and lower surfaces thereof, and the upper surface of the pulling band is upwardly protruded to form a matching bump. The connector of claim 5, wherein the draw tape comprises a stretched portion extending rearward from the housing, the stretched portion having a rib on the friction portion to facilitate the force.