Vertical electric connector

Abstract

The utility model discloses a vertical electric connector, which comprises a PCB (printed circuit board) and a plastic terminal assembly, the plastic terminal assembly comprises a terminal group and an insulating plastic body, and the terminal group comprises a plurality of electric terminals; the insulating plastic body is in an inverted T shape and comprises a plastic body transverse part and a plastic body vertical part; metal fixing pieces are embedded in the plastic body transverse part and located on the left side and the right side of the plastic body vertical part respectively, fixing piece weld legs are arranged at the front end and the rear end of each metal fixing piece respectively, and the fixing piece weld legs extend to the corresponding front side face or the corresponding rear side face of the plastic body transverse part respectively. The terminal welding feet of the power connection terminals extend out of the front side face or the rear side face of the transverse portion of the plastic body, the terminal welding feet and the fixing piece welding feet are patch welding feet, and the patch welding feet are welded to the PCB in a patch mode. By means of the structural design, the LED lamp has the advantages of being novel in design, simple in structure, simple in manufacturing process and low in manufacturing cost.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric connector, especially a vertical electric connector. BACKGROUND

[0002] The electric connector is an electronic and electrical component, mainly used for connecting the receiving terminal in the device or cable, transmitting electric signal or conducting electricity; the electric connector plays a crucial role in circuit connection, which can quickly assemble and use the electric wire, reduce the number of processing, and also provide power protection and control function.

[0003] The utility model discloses a vertical electric connector, which is fixed on a PCB board in a vertical manner. The plastic terminal assembly includes a plastic part and a plurality of terminals integrally formed with the plastic part by embedding injection molding. One end of the terminal extends to the tail of the plastic part to form a pin for welding with the PCB board. The pin is welded on the solder pad of the PCB board in a horizontal state. The plastic terminal assembly is covered with a metal shell. The tail of the metal shell extends downward to provide a plurality of support pins. The support pins are inserted into the corresponding limiting slot holes on the PCB board. The bottom of the plastic terminal assembly is also provided with a pair of positioning columns. The PCB board is provided with positioning holes for quick positioning with the positioning columns.

[0004] For the above-mentioned prior art, the support pins extending from the four edges of the metal shell cooperate with the limiting slot holes on the PCB board, greatly improving the precision and assembly firmness of the connector installation position, providing strong strength support for the male connector during plugging, and preventing the connector from being damaged due to skewing.

[0005] It should be noted that the above-mentioned prior art has the following defects:

[0006] Defect 1: The fastening installation of the plastic terminal assembly needs to rely on the metal shell, i.e., the vertical electric connector needs a metal shell assembly process, which on the one hand increases the preparation and processing procedures of the connector, and on the other hand increases the complexity of the overall structure of the connector and the production cost.

[0007] Defect 2: The pins of the terminals in the plastic terminal assembly are welded with the corresponding solder pads on the PCB board by means of patch welding, and the support pins of the metal shell are welded with the PCB by means of insertion. Different connection methods of terminals and support pins will increase the welding procedures. UTILITY MODEL CONTENTS

[0008] The utility model discloses a vertical electric connector which is novel in design, simple in structure, simple in manufacturing process and low in manufacturing cost.

[0009] To achieve the above object, the utility model discloses the following technical scheme.

[0010] A vertical electric connector, including PCB board, plastic terminal assembly is fixed on the PCB upper surface in vertical type, plastic terminal assembly includes terminal group, the insulating plastic body of injection molding with terminal group is one body structure, and the terminal group includes a plurality of electric terminals that are arranged from left to right and are spaced apart sequentially.

[0011] The insulating plastic body is in the shape of " " and includes a plastic body transverse portion and a plastic body vertical portion, the upper end of each electric terminal is exposed to the outer surface of the plastic body vertical portion, and the lower end of each electric terminal is provided with a terminal soldering leg that extends out of the plastic body transverse portion.

[0012] The inside of the plastic body transverse portion is embedded with a metal fixing sheet on the left and right sides of the plastic body vertical portion, and each metal fixing sheet is injection molded with the insulating plastic body to form an integral structure.

[0013] The front end and the rear end of the metal fixing sheet are provided with fixing sheet soldering legs, the fixing sheet soldering leg of the front end of the metal fixing sheet extends forward out of the front side of the plastic body transverse portion, and the fixing sheet soldering leg of the rear end of the metal fixing sheet extends backward out of the rear side of the plastic body transverse portion.

[0014] The terminal soldering leg of each electric terminal extends out of the front side or the rear side of the plastic body transverse portion, each terminal soldering leg and each fixing sheet soldering leg are surface mount soldering legs, and each surface mount soldering leg is surface mount soldered to the PCB board.

[0015] The electric terminal includes a terminal transverse portion and a terminal vertical portion that is arranged at one end of the terminal transverse portion and extends upward.

[0016] The terminal transverse portion is located in the plastic body transverse portion, and the other end of the terminal transverse portion extends out of the front side or the rear side of the plastic body transverse portion and forms a terminal soldering leg.

[0017] The terminal vertical portion is located in the plastic body vertical portion, and the upper end of the terminal vertical portion is exposed to the outer surface of the plastic body vertical portion.

[0018] The upper end of the terminal vertical portion is in a curved shape, and the left end edge portion and the right end edge portion of the curved position of the terminal vertical portion are provided with cut-through portions, and the edges of the cut-through portions are connected to the side surface of the terminal vertical portion through a transition portion.

[0019] All the power connection terminals in the terminal group adopt single-row SMT structure, the fixing piece soldering pins at the front end of each metal fixing piece and all the terminal soldering pins are arranged in alignment; or, the fixing piece soldering pins at the rear end of each metal fixing piece and all the terminal soldering pins are arranged in alignment.

[0020] The left end of the plastic body transverse part is embedded with two metal fixing pieces located at the left side of the plastic body vertical part, and the right end of the plastic body transverse part is embedded with two metal fixing pieces located at the right side of the plastic body vertical part.

[0021] The bottom surface of the plastic body transverse part is provided with two positioning columns arranged in left-right interval and respectively protruding downward, the PCB board is respectively provided with a vertical through positioning hole corresponding to each positioning column, and each positioning column is respectively embedded in the corresponding positioning hole.

[0022] Compared with the prior art, the vertical electric connector has the following beneficial effects.

[0023] 1. For each metal fixing piece which is patch soldered with the PCB board, the metal fixing piece can play an auxiliary fixing role and enable the plastic terminal assembly to be stably and reliably installed on the PCB board.

[0024] 2. Each fixing piece soldering pin and each terminal soldering pin is a patch soldering pin structure, and the fixing piece soldering pin and the terminal soldering pin can be connected with the PCB board only by patch soldering.

[0025] 3. Therefore, the vertical electric connector has the advantages of novel design, simple structure, simple preparation process and low preparation cost. BRIEF DESCRIPTION OF DRAWINGS

[0026] The utility model will be further described below by using the drawings, but the embodiments in the drawings do not constitute any limitation to the utility model.

[0027] Figure 1 It is the structural schematic diagram of the utility model.

[0028] Figure 2 It is the exploded schematic view of the utility model.

[0029] Figure 3 It is the structural schematic diagram of the plastic terminal assembly of the utility model.

[0030] Figure 4The structure diagram after cutting and bending of the metal plate to form the electricity connection terminal and the fixing sheet.

[0031] In Figures 1 to 4 comprise:

[0032] 1-PCB board; 11-positioning hole; 2-plastic terminal assembly; 3-electricity connection terminal; 31-terminal leg; 32-terminal horizontal part; 33-terminal vertical part; 331-overcut part; 332-transition part; 4-insulating plastic body; 41-plastic body horizontal part; 42-plastic body vertical part; 43-positioning column; 5-metal fixing sheet; 51-fixing sheet leg; 6-metal plate. DETAILED DESCRIPTION

[0033] The utility model will be explained in combination with specific implementation.

[0034] Example one, as Figures 1 to 3 shown, a vertical type electric connector, comprising PCB board 1, plastic terminal assembly 2 that is vertically fixed on the upper surface of PCB, plastic terminal assembly 2 includes terminal set, insulating plastic body 4 that is integrally formed with terminal set, and terminal set includes a plurality of electricity connection terminals 3 that are sequentially and spacedly arranged from left to right.

[0035] Among them, as Figures 1 to 3 shown, insulating plastic body 4 is in the shape of "⊥", and insulating plastic body 4 includes plastic body horizontal part 41 and plastic body vertical part 42, the upper end of each electricity connection terminal 3 is exposed to the outer surface of plastic body vertical part 42, and the lower end of each electricity connection terminal 3 is provided with terminal leg 31 that protrudes from plastic body horizontal part 41.

[0036] Further, as Figures 1 to 3 shown, characterized in that: the inside of plastic body horizontal part 41 is embedded with metal fixing sheet 5 on the left and right sides of plastic body vertical part 42 respectively, and each metal fixing sheet 5 is integrally formed with insulating plastic body 4.

[0037] Still further, as Figures 1 to 3 shown, the front end and the rear end of metal fixing sheet 5 are respectively provided with fixing sheet leg 51, the fixing sheet leg 51 of the front end of metal fixing sheet 5 protrudes forward from the front side of plastic body horizontal part 41, and the fixing sheet leg 51 of the rear end of metal fixing sheet 5 protrudes backward from the rear side of plastic body horizontal part 41.

[0038] In addition, as Figures 1 to 4 shown, the terminal leg 31 of each electricity connection terminal 3 protrudes from the front side or the rear side of plastic body horizontal part 41, each terminal leg 31 and each fixing sheet leg 51 are respectively surface mount legs, and each surface mount leg is surface mount welded to PCB board 1.

[0039] For the plastic terminal assembly 2 of the first embodiment, in the manufacturing process, the metal plate 6 is cut and bent multiple times to form the electrical terminals 3 and the metal fixing pieces 5, as shown in Figure 4 When the metal plate 6 is cut and bent to form the electrical terminals 3 and the metal fixing pieces 5, the insulating plastic body 4 is formed by injection molding, at this time, the electrical terminals 3 and the metal fixing pieces 5 are respectively integrated with the insulating plastic body 4, and the terminal soldering legs 31 and the fixing piece soldering legs 51 respectively extend out of the insulating plastic body 4; after the insulating plastic body 4 is injection molded, cutting operation is performed to cut off the excess edge material to form the finished product of the plastic terminal assembly 2.

[0040] It should be noted that in the process of connecting the plastic terminal assembly 2 with the PCB 1, the terminal soldering legs 31 of the electrical terminals 3 are respectively patch welded with the corresponding pad positions of the PCB 1, and the fixing piece soldering legs 51 of the metal fixing pieces 5 are respectively patch welded with the corresponding pad positions of the PCB 1; for the metal fixing pieces 5 patch welded with the PCB 1, they can play an auxiliary fixing role and make the plastic terminal assembly 2 stably and reliably installed on the PCB 1; compared with the prior art structure of auxiliary fixing by a metal shell, the vertical electrical connector structure of the first embodiment is simpler and the manufacturing process is also simpler, and accordingly the production cost is also reduced.

[0041] In addition, the fixing piece soldering legs 51 and the terminal soldering legs 31 of the first embodiment are respectively patch soldering leg structures, and the fixing piece soldering legs 51 and the terminal soldering legs 31 can be connected with the PCB 1 only by patch welding; compared with the prior art, the welding process of the vertical electrical connector of the first embodiment is simpler.

[0042] In summary, through the above structure design, the vertical electrical connector of the first embodiment has the advantages of novel design, simple structure, simple manufacturing process and low manufacturing cost.

[0043] The second embodiment, as shown in Figures 1 to 4 The difference between the second embodiment and the first embodiment is that the electrical terminal 3 includes a terminal horizontal portion 32, a terminal vertical portion 33 arranged at one end of the terminal horizontal portion 32 and extending upward, and the terminal horizontal portion 32 and the terminal vertical portion 33 are integrated.

[0044] The terminal horizontal portion 32 is located in the plastic body horizontal portion 41, and the other end of the terminal horizontal portion 32 extends out of the front side or the rear side of the plastic body horizontal portion 41 to form the terminal soldering leg 31.

[0045] In addition, the vertical terminal portion 33 is located in the vertical plastic portion 42, and the upper end of the vertical terminal portion 33 is exposed on the outer surface of the vertical plastic portion 42.

[0046] Example 3, as Figure 2 and Figure 4 As shown, the difference between this embodiment 3 and embodiment 2 is that the upper end of the vertical part 33 of the terminal is curved, and the left and right edge portions of the curved position of the vertical part 33 of the terminal are respectively provided with overcut portions 331, and the edge of the overcut portion 331 is transitioned to the side of the vertical part 33 of the terminal through the transition portion 332.

[0047] For the upright electrical connector of this embodiment 3, the bending structure at the upper end of the vertical portion 33 of the terminal can further increase the bonding strength between the electrical terminal 3 and the insulating plastic body 4, thereby improving the overall stability of the plastic terminal assembly 2.

[0048] Furthermore, this structural design can effectively improve the dust at the bending position for the overcut portion 331 and the transition portion 332 located at the bending position of the vertical portion 33 of the terminal.

[0049] Example 4, as Figures 1 to 4 As shown, the difference between this embodiment four and embodiment one is that all the power terminals 3 in the terminal group adopt a single-row SMT structure, and the fixing plate solder feet 51 at the front end of each metal fixing plate 5 and all the terminal solder feet 31 are aligned; or, the fixing plate solder feet 51 at the rear end of each metal fixing plate 5 and all the terminal solder feet 31 are aligned.

[0050] Example 5, such as Figures 1 to 4 As shown, the difference between this fifth embodiment and the first embodiment is that: two metal fixing pieces 5 located on the left side of the vertical part 42 of the plastic body are embedded at the left end of the horizontal part 41 of the plastic body, and two metal fixing pieces 5 located on the right side of the vertical part 42 of the plastic body are embedded at the right end of the horizontal part 41 of the plastic body.

[0051] By providing multiple metal fixing pieces 5 on the left and right sides of the vertical portion 42 of the plastic body, this fifth embodiment can effectively increase the number of fixing piece solder feet 51, thereby further increasing the stability and reliability of the plastic terminal assembly 2 assembly.

[0052] Example 6, as Figure 2 and Figure 3 As shown, the difference between this sixth embodiment and the first embodiment is that: the bottom surface of the horizontal part 41 of the plastic body is provided with two positioning posts 43 arranged at intervals on the left and right and protruding downwards respectively, and the PCB board 1 is provided with vertical through positioning holes 11 corresponding to each positioning post 43, and each positioning post 43 is inserted into the corresponding positioning hole 11.

[0053] Before the plastic terminal assembly 2 and the PCB 1 are welded, the vertical electric connector of the sixth embodiment is positioned by the positioning column 43 and the positioning hole 11 to position the insulating plastic body 4, so that the terminal leg 31 and the fixed sheet leg 51 are quickly and accurately centered, thereby improving the efficiency and accuracy of the welding operation.

[0054] The above merely describes the preferred embodiments of the present application, and for those skilled in the art, the specific implementation manners and application scopes can be changed according to the thought of the present application, and the content of the description should not be understood as a limitation of the present application.

Claims

1. An upright electric connector, comprising a PCB (1), a plastic terminal assembly (2) fixed upright on the upper surface of the PCB, the plastic terminal assembly (2) comprising a terminal group and an insulating plastic body (4) integrally formed with the terminal group by injection molding, the terminal group comprising a plurality of electrical connection terminals (3) arranged in sequence and spaced apart from left to right; the insulating plastic body (4) has a "⊥" shape, and the insulating plastic body (4) comprises a plastic body transverse part (41) and a plastic body vertical part (42), the upper end of each electrical connection terminal (3) is exposed to the outer surface of the plastic body vertical part (42), and the lower end of each electrical connection terminal (3) is provided with a terminal soldering leg (31) extending out of the plastic body transverse part (41); characterized in that the inside of the plastic body transverse part (41) is embedded with a metal fixing sheet (5) on the left and right sides of the plastic body vertical part (42), and each metal fixing sheet (5) is integrally formed with the insulating plastic body (4) by injection molding; the front end and the rear end of the metal fixing sheet (5) are respectively provided with a fixing sheet soldering leg (51), the fixing sheet soldering leg (51) of the front end of the metal fixing sheet (5) extends forward out of the front side of the plastic body transverse part (41), and the fixing sheet soldering leg (51) of the rear end of the metal fixing sheet (5) extends backward out of the rear side of the plastic body transverse part (41); the terminal soldering leg (31) of each electrical connection terminal (3) extends out of the front side or the rear side of the plastic body transverse part (41), each terminal soldering leg (31) and each fixing sheet soldering leg (51) are respectively a patch soldering leg, and each patch soldering leg is patch soldered to the PCB (1).

2. An electrical connector as claimed in claim 1, wherein: The electrical connection terminal (3) comprises a terminal transverse part (32) and a terminal vertical part (33) arranged at one end of the terminal transverse part (32) and extending upward; the terminal transverse part (32) is located in the plastic body transverse part (41), and the other end of the terminal transverse part (32) extends out of the front side or the rear side of the plastic body transverse part (41) and forms the terminal soldering leg (31); the terminal vertical part (33) is located in the plastic body vertical part (42), and the upper end of the terminal vertical part (33) is exposed to the outer surface of the plastic body vertical part (42).

3. An electrical connector as claimed in claim 2, wherein: The upper end of the terminal vertical part (33) has a curved shape, and the left end edge and the right end edge of the curved position of the terminal vertical part (33) are respectively provided with a cut-through part (331), and the edges of the cut-through part (331) are transitioned to the side surface of the terminal vertical part (33) through a transition part (332).

4. An electrical connector as claimed in claim 1, wherein: All electrical connection terminals (3) in the terminal group adopt a single-row SMT structure, the fixing sheet soldering leg (51) of each front end of the metal fixing sheet (5) and all terminal soldering legs (31) are arranged in alignment; or, the fixing sheet soldering leg (51) of each rear end of the metal fixing sheet (5) and all terminal soldering legs (31) are arranged in alignment.

5. An electrical connector as recited in claim 1, wherein: The left end of the plastic body transverse part (41) is embedded with two metal fixing sheets (5) located on the left side of the plastic body vertical part (42), and the right end of the plastic body transverse part (41) is embedded with two metal fixing sheets (5) located on the right side of the plastic body vertical part (42).

6. An electrical connector as claimed in claim 1, wherein: The bottom surface of the transverse part (41) of the plastic body is provided with two positioning columns (43) arranged at left and right sides and respectively protruding downward, and the PCB (1) is respectively provided with a vertical positioning hole (11) corresponding to each positioning column (43), and each positioning column (43) is respectively inserted into the corresponding positioning hole (11).

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