TWI727689B - Fastening structure of electric connector - Google Patents

Abstract

The present invention relates to a fastening structure of an electrical connector, which includes an insulating body, a shielding shell, a cover plate and two lock fasteners, wherein each side of the cover plate is provided with a top and a bent downward A turning piece of an inserting part, the inserting part of the turning pieces has a buckle hole, and the two locking members have a U-shaped piece for inserting the inserting part on both sides of the cover plate , The outer side wall of the U-shaped piece obliquely extends toward the inside of a clamping slot and is provided with a positioning buckle for buckling in the buckle hole of the inserting portion, and the two locking members fixed on the two sides of the cover plate are on opposite inner sides Each is provided with a positioning protrusion, the two locking members on the two sides of the cover plate slide the two positioning protrusions in the two positioning holes of the shielding shell in a vertical direction for a locking positioning, and the cover plate The two locking members on the two sides slide the two positioning protrusions out of the two positioning holes of the shielding shell in a horizontal direction to unlock and release, and the cover plate moves upward to separate from the insulating body and the shielding shell , By using the aforementioned structure, the problem that the locking member is tightly buckled on the electrical connector is not easy to loosen, and the locking and unlocking of the locking member are all simple electrical connector structures.

Description

Fastening structure of electric connector

The present invention provides a buckling structure of an electrical connector, in particular to the problem that a locking member is tightly buckled on the electrical connector and is not easy to loosen. At the same time, the locking and unlocking of the locking member are simple electrical connectors structure.

According to the vigorous development of modern electronic communication technology, the transmission rate of electronic signals is increasing day by day. The electrical connectors used in computers and electronic products must be suitable for transmitting high-frequency and high-speed signals. They are installed between the LCD and the system motherboard. The high-frequency signal transmission system between high-frequency signals often uses a Low Voltage Differential Signal (LVDS) connector, which uses extremely low voltage amplitude for high-speed data transmission, and has the advantages of low power consumption and low bit error rate. .

The main structure of the conventional low-voltage differential signal connector includes an insulating body, a signal terminal, and a shielding shell. The insulating body has an insertion space, the signal terminal is inserted into the insulating body, and the engagement portion on the signal terminal is fixed to Inside the insulating body, the butting part of the signal terminal extends into the insertion space, and the welding part of the signal terminal extends out of the insulating body; the shielding shell is wrapped on the insulating body, and the shielding shell is fixedly connected to the insulating body And the shielding shell has a contact elastic piece bent inward, and the contact elastic piece is connected with the preset plug connector to shield the electromagnetic wave noise, and a long piece of locking part is installed on the two sides of the insulating body Lock point to spin The dynamic buckle method installs the cable in a preset position and electrically connects to the signal terminal. However, this type of rotary buckle type low-voltage differential signal connector often has insufficient vertical joint force in use. The disadvantages of this industry are prone to loosening of the locking parts, which needs to be improved by those engaged in this industry.

Therefore, in view of the above-mentioned problems and deficiencies, the inventor collected relevant information, and through multiple evaluations and considerations, he designed the invention of the fastening structure of the electrical connector.

The main purpose of the present invention is to provide a fastening structure for an electrical connector, which includes an insulating body, a shielding shell, a cover plate and two locking members, wherein each side of the cover plate is provided with a top and a bent A turning piece of the lower inserting part, the inserting part of the turning pieces has a buckle hole, and the two locking members have a place for the inserting part on the two sides of the cover to be inserted into one U-shaped piece, the outer side wall of the U-shaped piece obliquely extends toward the inside of a clamping slot and is provided with a positioning buckle for buckling in the buckle hole of the inserting part, and the two locking pieces fixed on the two sides of the cover plate are A positioning protrusion is respectively provided on the opposite inner side surfaces, and the two locking members on the two sides of the cover plate slide the two positioning protrusions in the two positioning holes of the shielding shell in a vertical direction to perform a locking positioning, and The two locking members on the two sides of the cover plate slide the two positioning protrusions out of the two positioning holes of the shielding shell in a horizontal direction to unlock and release, and the cover plate moves upward to separate from the insulating body and the insulating body. The shielding shell uses the aforementioned structure to achieve the problem that the locking member is tightly locked on the electrical connector and is not easy to loosen. At the same time, the locking and unlocking of the locking member are simple electrical connector structures.

The secondary purpose of the present invention is that the U-shaped piece of the two locking members extends in the first direction relative to the inner side and is bent to the outside to form a pushing portion, and the U-shaped piece extends in the second direction from the outer side and upward and upward. The opposite inner side is bent to form a resisting piece, and the inner edge of the resisting piece is pushed in the horizontal direction Move to one of the blocking edges of the top side of the turning piece, and the two positioning protrusions slide out of the two positioning holes of the shielding shell for an unlocking release, and the cover plate moves upward to separate from the insulating body and The shielding case.

Another object of the present invention is that the butting portion of the conductive terminal is bent to present an "n"-shaped structure, the butting portion extends downwards with a U-shaped groove portion for receiving the butting frame, and the groove portion extends upward to form There is a resisting portion, the resisting portion extends upward through a reflex to form a fixed portion of two side protrusions, the fixed portion protrudes at least a pair of spines to the two sides, and the fixed portion is formed by a bending The horizontally welded part forms the conductive terminal by the above-mentioned shape.

Another object of the present invention is that the positioning protrusion of the locking member is a trapezoidal body with a narrow upper and a width at the bottom, and the trapezoidal body has four-direction inclined guide portions formed on the trapezoidal body.

1: Insulating body

10: Alignment slot

11: Tongue plate

110: terminal slot

12: Outer frame

120: fixed hole

121: hook block

13: conductive terminal

131: Docking Department

132: Groove

133: Resisting Department

134: Fixed part

135: Welding Department

2: Shielding shell

20: positioning hole

21: Insertion piece

22: Clamping shrapnel

23: Ground pin

24: tapered positioning hole

3: cover

30: Slot

31: Docking frame

310: trunking

32: positioning box

33: line board

330: line space

34: Turning Piece

341: top

3411: blocking edge

342: Insertion part

3420: buttonhole

3421: Guide slope

4: lock fastener

41: U-shaped piece

410: Clip Groove

411: positioning buckle

412: positioning bump

4121: ramp

42: Transition Department

43: Resisting film

431: Inner Edge

5: Circuit board

51: signal pad

52: Grounding pad

[Figure 1] is a perspective view of the electrical connector of the present invention.

[Figure 2] is a three-dimensional exploded component view of the electrical connector of the present invention.

[Figure 3] is another three-dimensional exploded component view of the electrical connector of the present invention.

[Figure 4] is a schematic diagram of the assembly of the electrical connector and the circuit board of the present invention.

[Figure 5] is a cross-sectional side view of the electrical connector of the present invention.

[Figure 6] is a schematic diagram of the action of assembling the cover plate and the locking member to the insulating body according to the present invention.

[Figure 7] is a schematic diagram of the first action of separating the cover and the locking member from the insulating body of the present invention.

[Figure 8] is a schematic diagram of the second action of separating the cover and the locking member from the insulating body of the present invention.

[Figure 9] is a schematic diagram of the third action of separating the cover and the locking member from the insulating body of the present invention.

In order to achieve the above-mentioned purpose and effect, the technical means and structure adopted by the present invention are illustrated in detail below with regard to the preferred embodiments of the present invention, so as to fully understand the features and functions.

Please refer to Figures 1 to 5, which are the three-dimensional appearance view, three-dimensional exploded component diagram, another three-dimensional exploded component diagram of the electrical connector of the present invention, the schematic diagram of the assembly of the electrical connector and the circuit board, and the side view of the electrical connector Cross-sectional view, as can be clearly seen from the figure, the electrical connector of the present invention is a low voltage differential signal (Low Voltage Differential Signal, LVDS) connector, which includes an insulating body 1, a shielding shell 2, a cover plate 3 and The two lock fastener 4, the detailed structure of the electrical connector and the connection relationship between the components are described as follows:

The insulating body 1 has a tongue plate 11, one side wall of the tongue plate 11 has a plurality of terminal grooves for accommodating a plurality of conductive terminals 13, and the outer ring of the tongue plate 11 is provided with a pair of positioning grooves 10.

The mating portion 131 of the conductive terminal 13 is bent to present an "n"-shaped structure. The mating portion 131 extends downwards with a U-shaped groove portion 132 for the docking frame 31 to receive, and the groove portion 132 extends upward to form an abutment A holding portion 133, the holding portion 133 extends upward through a reflex to form a fixing portion 134 of two side protrusions, the fixing portion 134 protrudes to two sides with at least a pair of spines, and the fixing portion 134 passes through a The soldering portion 135 of the conductive terminal 13 can be soldered to the signal pad 51 of the circuit board 5 to form an electrical connection. The conductive terminal 13 is formed by the above-mentioned shape.

The shielding shell 2 is assembled on the outside of the insulating body 1, and the shielding shell 2 has at least two positioning holes 20. The frame of the shielding shell 2 is clamped outside the insulating body 1 The plural numbers of the frame 12 clamp the elastic pieces 22. The bottom side of the shielding shell 2 is provided with a plurality of ground pins 23 welded to the ground pads 52 of the circuit board 5.

The insulating body 1 is provided with a fixing hole 120 opening upward at each of the two ends of the outer frame of one side, and the fixing holes 120 are for inserting and positioning the plurality of inserting pieces 21 provided under the shielding shell 2.

The insulating body 1 is provided with a plurality of hook blocks 121 bent upward on one side of the outer frame 12, and the hook blocks 121 are buckled corresponding to the plurality of tapered positioning holes 24 provided in the shielding shell 2 to form the insulating body 1 and the positioning structure of the shielding shell 2.

The bottom side of the cover plate 3 has a mating frame 31 and a positioning frame 32 which are provided with a plurality of wire slots 310 opposite to each other. The mating frame 31 and the positioning frame 32 are connected to each other and enclose a slot 30. The groove 30 is for the tongue plate 11 of the insulating body 1 to be inserted and positioned, and the docking frame 31 and the positioning frame 32 extend into the positioning groove 10 of the insulating body 1 for a positioning, and the docking frame A plurality of preset cables (not shown in the figure) arranged in the wire grooves 310 of 31 are in contact with the conductive terminals 13 to form electrical connections, and the two sides of the cover plate 3 are each provided with a top 341 and a bend. A turning piece 34 that is folded down to one of the inserting portions 342 has a button hole 3420 in the inserting portion 342 of the turning pieces 34. The inserting portion 342 is provided with a guide slope 3421 on the left and right sides of the button hole 3420 respectively.

The surface of the positioning frame 32 of the cover 3 is further covered with a wire plate 33 of metal material, and the wire plate 33 and the bottom side of the cover 3 form a wire placement space 330 for a plurality of cables to pass through, and The wire ends (not shown in the figure) of the cables turn and extend into the wire slots 310 of the docking frame 31 for a fixation.

The two lock fasteners 4 are provided for the inserting parts 342 on the two sides of the cover plate 3 to be inserted. A U-shaped piece 41 is arranged. The outer side wall of the U-shaped piece 41 is obliquely extended to a clamping slot 410 inward, and is provided with a positioning buckle 411 for buckling with the buckle hole 3420 of the inserting portion 342, and is fixed to the cover plate 3 The two locking members 4 on the two sides are each provided with a positioning protrusion 412 on the opposite inner side surfaces. The two locking members 4 on the two sides of the cover plate 3 slide the two positioning protrusions 412 to the shield in a vertical direction. The two positioning holes 20 of the housing 2 are locked and positioned, and the two locking members 4 on the two sides of the cover plate 3 slide in the horizontal direction to slide the two positioning protrusions 412 out of the shielding housing 2 The two positioning holes 20 are unlocked and released, and the cover plate 3 moves upward to separate from the insulating body 1 and the shielding shell 2.

The U-shaped piece 41 of the two locking members 4 extends in the first direction relative to the inner side and is bent to the outside to form a push portion 42, and the U-shaped piece 41 extends in the second direction from the outside and upward and relatively inside Bending to form a resisting piece 43, the inner edge 431 of the resisting piece 43 moves horizontally to a stop edge 3411 on the top 341 side of the turning piece 34, and the two positioning protrusions 412 slide out The two positioning holes 20 of the shielding shell 2 are unlocked and released, and the cover plate 3 moves upward to separate from the insulating body 1 and the shielding shell 2.

The positioning protrusion 412 of the locking member 4 is a trapezoidal body with a narrow top and a width at the bottom, and four-direction inclined guide portions 4121 are formed on the trapezoidal body.

Please refer to Figure 6, which is a schematic diagram of the action of assembling the cover plate and the locking member to the insulating body of the present invention. When assembling the electrical connector of the present invention, first pierce the plurality of conductive terminals 13 from bottom to top. The insulating body 1 is positioned in the terminal slot 110 below the tongue plate 11, and the shielding shell 2 is clamped to the outer frame 12 of the insulating body 1 by using a plurality of clamping elastic pieces 22 in the frame of the shielding shell 2 At the same time, the plurality of fixing holes 120 at the two ends of the outer frame of the insulating body 1 are inserted and positioned corresponding to the plurality of inserting pieces 21 of the shielding shell 2 to complete the insulating body 1 Assembled with the shielding case 2. The cover plate 3 is equipped with two locking members on each side. 4 The two positioning protrusions 412 are slid and fastened to the shielding case 2 in the vertical direction using the lower guide portion 4121 One of the two positioning holes 20 is locked and positioned, and the mating frame 31 and the positioning frame 32 of the cover plate 3 are connected to each other and surround a slot 30 for the tongue plate 11 of the insulating body 1 Perform an insertion positioning, and the docking frame 31 and the positioning frame 32 extend into the positioning slot 10 of the insulating body 1 to make a positioning to complete the cover 3, the shielding shell 2 and the insulating body 1 The assembly, and the use of the two locking fasteners 4 to tightly fasten the electrical connector, it is not easy to cause the problem of loosening of the conventional rotary snap-fit electrical connector.

Please refer to Figures 7-9 again, which are the first, second, and third action diagrams of the present invention for separating the cover plate and the locking member from the insulating body, wherein the two locking members 4 on both sides of the cover plate 3 are Moving in the horizontal direction, the two positioning protrusions 412 are slid out of the second positioning hole 20 of the shielding shell 2 using the inclined guide portions 4121 on both sides, and at the same time, the inner edge 431 of the resisting piece 43 is moved horizontally to the turning piece 34 One of the blocking edges 3411 on the side of the top 341 is used for unlocking and releasing, and then the cover plate 3 is moved upward to separate from the insulating body 1 and the shielding shell 2 to form a sharp angle and two locks 4 assembled on a cover plate 3 The two sides are made of a structure that is vertically assembled to the insulating body 1 and the shielding case 2, and the structure is moved in the horizontal direction to unlock the release cover 3, which has the advantages of stable locking and easy operation.

According to the disclosures in Figures 1 to 9 above, it can be understood that the present invention is a fastening structure of an electrical connector, which mainly includes an insulating body, a shielding shell, a cover plate, and two locking members. Each of the two sides of the cover plate is provided with a turning piece with a top and an inserting part that is bent downward. The inserting part of the turning pieces has a buckle hole, and the two locking members are provided for the cover A U-shaped piece is inserted into the inserting part on the two sides of the board, and a clamping groove is formed on the outer side wall of the U-shaped piece obliquely to the inside One of the positioning buckles for buckling in the buckle hole of the inserting part, the two locking members fixed on the two sides of the cover plate are each provided with a positioning protrusion on the opposite inner sides, and the two locks on the two sides of the cover plate The fastener slides the two positioning protrusions in the two positioning holes of the shielding shell in a vertical direction to perform a locking positioning, and the two locking members on the two sides of the cover plate move the two positioning in the horizontal direction The convex block slides out of the two positioning holes of the shielding shell for an unlocking release, the cover plate moves upward to separate from the insulating body and the shielding shell, and the lock member is tightly buckled in the electrical connection by the aforementioned structure The problem of loosening is not easy to occur on the device, and the locking and unlocking of the locking member are all simple electrical connector structures. The present invention is applied in the field of low-voltage differential signal connectors, and has a great commercial market and practicability. Therefore, a patent application is filed to seek protection of the patent right.

The above are only the preferred embodiments of the present invention, which does not limit the patent scope of the present invention. Therefore, all simple modifications and equivalent structural changes made by using the description and drawings of the present invention should be included in the same reasoning. Within the scope of the patent of the present invention, it is agreed to Chen Ming.

In summary, the buckle structure of the electrical connector of the present invention can indeed achieve its effects and purposes when used. Therefore, the present invention is truly an invention with excellent practicability. It meets the requirements of an invention patent application. The application is filed and I hope that the review committee will grant this case as soon as possible to protect the inventor’s hard work. If the review committee of the Bureau has any doubts, please send me instructions and the inventor will do his best to cooperate.

1: Insulating body

10: Alignment slot

11: Tongue plate

110: terminal slot

12: Outer frame

120: fixed hole

13: conductive terminal

131: Docking Department

132: Groove

133: Resisting Department

134: Fixed part

135: Welding Department

2: Shielding shell

20: positioning hole

21: Insertion piece

22: Clamping shrapnel

23: Ground pin

3: cover

34: Turning Piece

341: top

3411: blocking edge

342: Insertion part

3420: buttonhole

3421: Guide slope

4: lock fastener

41: U-shaped piece

410: Clip Groove

411: positioning buckle

412: positioning bump

4121: ramp

42: Transition Department

43: Resistant film

431: Inner Edge

Claims (10)

A buckle structure of an electrical connector, including: An insulating body having a tongue plate, one side wall of the tongue plate has a plurality of terminal grooves for accommodating a plurality of conductive terminals, and the outer ring of the tongue plate is provided with a pair of positioning grooves; A shielding shell assembled on the outside of the insulating body, the shielding shell having at least two positioning holes; A cover plate, the bottom side of which is provided with a mating frame with a plurality of wire slots and a positioning frame. The mating frame and the positioning frame are connected to each other and enclose a slot, and the slot is provided for the insulation The tongue plate of the main body is inserted and positioned, and the docking frame and the positioning frame extend into the alignment slot of the insulating body for a positioning, and the plurality of wiring grooves set in the docking frame are preset The cable is in contact with the conductive terminals to form an electrical connection, and two sides of the cover plate are each provided with a turning piece with a top and an insertion portion that is bent downward, and the insertion portion of the turning pieces Has a button hole; and Two locking members, which have a U-shaped piece for inserting the inserting parts on the two sides of the cover plate. The outer side wall of the U-shaped piece obliquely extends toward the inside with a clamping groove for buckling with the inserting part A positioning buckle of the buckle hole, the two locking members fixed on the two sides of the cover plate are each provided with a positioning protrusion on the opposite inner side, and the two locking members on the two sides of the cover plate align the two locking members in a vertical direction. The positioning protrusions slide buckle in the two positioning holes of the shielding shell for a locking positioning, and the two locking pieces on the two sides of the cover plate slide the two positioning protrusions out of the shielding shell by moving in a horizontal direction The two positioning holes of the body are unlocked and released, and the cover plate moves upward to separate from the insulating body and the shielding shell. Such as the snap-fit structure of the electrical connector of claim 1, wherein the insulating body is on one side Each of the two ends of the outer frame is provided with a fixing hole with an opening facing upward, and the fixing holes are inserted and positioned corresponding to the plurality of inserting pieces arranged under the shielding shell. For example, the buckle structure of the electrical connector of claim 1, wherein the insulating body is provided with a plurality of hook blocks bent upward on one side of the outer frame, and the hook blocks are made into a plurality of tapered positioning holes provided in the shielding shell Buckle to form the positioning structure of the insulating body and the shielding shell. For example, the buckling structure of the electrical connector of claim 1, wherein the butting portion of the conductive terminal is bent to present an "n"-shaped structure, and the butting portion extends downwardly with a U-shaped groove portion for receiving the butting frame, The groove portion extends upward to form a resisting portion, the resisting portion extends upward through a reflex to form a fixing portion of two side protrusions, the fixing portion protrudes toward the two sides with at least a pair of spines, and the The fixing part is bent to form a horizontal welding part, and the conductive terminal is formed by the above-mentioned shape. For example, the buckling structure of the electrical connector of claim 1, wherein the frame of the shielding shell is provided with a plurality of clamping elastic pieces that are clamped to the outer frame of the insulating body. For example, the snap-fit structure of the electrical connector of claim 1, wherein the bottom side of the shielding shell is provided with a plurality of ground pins welded to the ground pads of a circuit board. For example, the buckle structure of the electrical connector of claim 1, wherein the surface of the positioning frame of the cover plate is further covered with a wire plate of metal material, and the wire plate and the bottom side of the cover plate form a line for a plurality of cables to pass through A wire placement space is set, and the wire ends of the cables are bent and extended into the wire grooves of the docking frame for a fixation. For example, the buckle structure of the electrical connector of claim 1, wherein the inserting part is provided with a guide slope on the left and right sides of the buckle hole. For example, the snap-fit structure of the electrical connector of claim 1, wherein the U of the two locks The U-shaped piece extends in the first direction relative to the inside and is bent to the outside to form a pushing part, and the U-shaped piece extends in the second direction from the outside and is bent upward and relatively inside to form a resisting piece. The inner edge moves horizontally to a stop edge on the top side of the turning piece, and the two positioning protrusions slide out of the two positioning holes of the shielding shell to unlock and release, and the cover plate moves upward So as to separate the insulating body and the shielding shell. For example, the buckling structure of the electrical connector of claim 1, wherein the positioning protrusion of the locking member is a trapezoidal body with a narrow top and a width at the bottom, and four-direction inclined guide portions are formed on the trapezoidal body .

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