CN111916927B - Electric connector and terminal thereof - Google Patents
Electric connector and terminal thereof Download PDFInfo
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- CN111916927B CN111916927B CN202010489453.0A CN202010489453A CN111916927B CN 111916927 B CN111916927 B CN 111916927B CN 202010489453 A CN202010489453 A CN 202010489453A CN 111916927 B CN111916927 B CN 111916927B
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- plate
- contact piece
- terminal
- protruding
- fixing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/04—Pins or blades for co-operation with sockets
Abstract
The invention discloses an electric connector and a terminal thereof, which are used for butt joint with a butt joint piece along the front and back directions and comprise: a connecting portion, an electrically conductive connecting portion, the first plate extends from the connecting part and the second plate is connected with the lateral edge of the first plate, the extending directions of the first plate and the second plate are the same, a gap is arranged between the first plate and the second plate, a first contact piece is arranged at the front section of the first plate, a second contact piece is arranged at the front section of the second plate and is opposite to the surface of the first contact piece, the first contact piece and the second contact piece are inserted into the butt joint piece, a fixing part is formed by punching the surface of the first plate or the second plate and is positioned behind the first contact piece and the second contact piece, a first protruding part is convexly arranged to the gap from the first plate or the second plate and is positioned in front of the fixing part, and a second protruding part is convexly arranged to the gap from the first plate or the second plate and is positioned behind the fixing part, so that the gap between the first plate and the second plate is ensured, and the first contact piece, the second contact piece and the butt joint piece can be continuously and stably contacted.
Description
[ technical field ] A method for producing a semiconductor device
The present invention relates to an electrical connector and a terminal thereof, and more particularly, to an electrical connector for an automobile and a terminal thereof.
[ background of the invention ]
A conventional automobile terminal includes a first contact portion and a second contact portion stacked on the first contact portion, wherein a certain gap inevitably occurs at a bent portion between the first contact portion and the second contact portion during a process of folding the first contact portion and the second contact portion due to a certain thickness and hardness of a plate material itself for manufacturing the automobile terminal, so that the first contact portion and the second contact portion cannot be completely attached at the bent portion, and the first contact portion and the second contact portion are attached together at a side edge of the other side opposite to the bent portion, and when the automobile terminal is inserted and fixed to an insulating body, the first contact portion and the second contact portion are deformed toward the gap by being pressed from an inner wall surface of the insulating body, and when the first contact portion and the second contact portion are inserted into the mating terminal, in order to keep the stable electrical connection between the automotive terminal and the mating terminal, the mating terminal clamps and presses the plate surface of the first contact portion or the second contact portion, such that the first contact portion or the second contact portion at the clamping point is deformed towards the gap, as can be seen from the above, when the automobile terminal is fixed on the insulating body and butted with the butting terminal, the first contact portion and the second contact portion of the automotive terminal may receive different pressing forces from the insulative body and the mating terminal at different portions, so that the first contact portion and the second contact portion may be unevenly stressed, resulting in different contact areas of the first and second contact portions with the counterpart terminal, thereby affecting a continuous and stable electrical connection of the first and second contact portions with the counterpart terminal.
In addition, when the automobile terminal is immersed in electroplating liquid medicine for electroplating treatment, the electroplating liquid medicine can enter between the first contact part and the second contact part through the gap, and because the side edge of the other side of the first contact part and the second contact part is attached together and the stress on the first contact part and the second contact part is uneven, the gap between the first contact part and the second contact part cannot be ensured easily, so that the electroplating liquid medicine cannot flow out from the gap in time and remains in the gap, and the electroplating liquid medicine can corrode the plate surfaces of the first contact part and the second contact part over time, thereby reducing the service life of the automobile terminal.
Therefore, there is a need to design a new electrical connector and its terminal to overcome the above problems.
[ summary of the invention ]
In view of the problems faced by the background art, the present invention is directed to an electrical connector and a terminal thereof capable of stably contacting with a mating member while ensuring that a first plate and a second plate are stably fixed to an insulative housing when inserting and mating the insulative housing.
In order to achieve the purpose, the invention adopts the following technical scheme: a terminal is used for being butted with a butting piece along the front-back direction and comprises a connecting part, an electric conduction part extending from the connecting part, a first plate extending from the connecting part and a second plate connected with the side edge of the first plate, wherein the extending directions of the first plate and the second plate are the same, a gap is arranged between the first plate and the second plate, a first contact piece is arranged at the front section of the first plate, a second contact piece is arranged at the front section of the second plate and is opposite to the surface of the first contact piece, the first contact piece and the second contact piece are used for being inserted into the butting piece, a fixing part is formed by punching from the surface of the first plate or the second plate and is positioned at the back of the first contact piece and the second contact piece, a first protruding part is arranged from the first plate or the second plate to the gap and is positioned in front of the fixing part, a second protrusion protrudes from the first plate or the second plate to the gap and is located behind the holding portion.
Further, a press-connection part is bent from the side edge of the second plate and extends towards the first plate so as to press the plate surface of the first plate.
Further, the crimping portion is disposed at a rear section of the second plate and behind the first protruding portion and the second protruding portion.
Furthermore, the first plate is provided with a bending part connected with the connecting part, the bending part is punched to form two reinforcing convex parts, and the reinforcing convex parts are arranged in a protruding mode towards the direction far away from the second plate.
Further, the first protruding portion and the second protruding portion are formed by punching the second plate at intervals, the first protruding portion is located on the second contact piece, the second protruding portion is located behind the holding portion, and when the first contact piece and the second contact piece are inserted into the abutting piece, the first protruding portion abuts against the first contact piece.
Further, the connecting portion is arranged along an up-down direction perpendicular to the front-back direction, the electrical conductive portion is extended below the connecting portion and used for being electrically connected with a cable, the first plate is extended forwards along one side of the left-right direction perpendicular to the front-back direction, and the butt joint direction of the terminal is perpendicular to the wiring direction.
Furthermore, the first plate is perpendicular to the connecting part, a through hole penetrates through the connecting part, and the through hole is formed in the center of the connecting part.
Further, the electrical connection portion includes a transition portion extending downward from the connection portion and gradually narrowing down, a base portion extending downward from the transition portion, a core wire fixing portion extending backward from left and right sides of the base portion, and an insulation layer fixing portion extending backward from left and right sides of the base portion, the insulation layer fixing portion being located below the core wire fixing portion.
In another aspect, the present invention provides an electrical connector, including at least one terminal and an insulating body, the terminal is inserted into the insulating body and is connected to a pair of connecting members along a front-back direction, the terminal includes a connecting portion, an electrically conductive portion extending from the connecting portion, a first plate extending from the connecting portion, and a second plate connected to a side edge of the first plate and stacked on the first plate, a gap is formed between the first plate and the second plate, a first contact piece is disposed at a front section of the first plate, a second contact piece is disposed at a front section of the second plate and is opposite to the first contact piece, the first contact piece and the second contact piece are used for being connected to the connecting member, a holding portion is formed by stamping from a plate surface of the first plate or the second plate and is located behind the first contact piece and the second contact piece, the holding portion is in interference fit with the insulating body, a first protruding portion protrudes from the first plate or the second plate to the gap and is located in front of the holding portion, and a second protruding portion protrudes from the first plate or the second plate to the gap and is located behind the holding portion.
Further, the insulation body comprises a fixing portion and a butt joint portion extending forwards from the fixing portion, a butt joint cavity is concavely formed in the butt joint portion from front to back, the first contact piece and the second contact piece extend into the butt joint cavity, the fixing portion is provided with at least one fixing groove, and the fixing portion is in interference fit with the inner wall surface of the fixing groove.
Further, the first protruding portion and the second protruding portion are punched from the second plate and are arranged at intervals, the first protruding portion is located on the second contact piece, the second protruding portion is located behind the holding portion, when the terminal is inserted into the fixing groove, the holding portion is pressed by the inner wall surface of the fixing groove, and the second protruding portion abuts against the first plate.
Further, from an installation department is extended backward to the fixed part, be provided with an at least screw thread mounting hole on the installation department, connecting portion are equipped with a through-hole, and a screw passes the through-hole with the cooperation of screw thread mounting hole will connecting portion are fixed extremely the installation department, just connecting portion expose in outside the insulating body.
Further, the installation department is in each the downside of screw thread mounting hole is equipped with a wire groove, the wire groove supplies electrical conduction portion passes, electrical conduction portion includes a downwardly extending's basal portion, certainly a heart yearn fixed part that the left and right sides of basal portion extended backward, and certainly an insulating layer fixed part that the left and right sides of basal portion extended backward, the insulating layer fixed part is located the below of heart yearn fixed part, the basal portion accept in the wire groove, the wire groove is right in the left and right directions electrical conduction portion carries on spacingly.
Furthermore, the fixed slot has two, two the terminal is fixed in respectively the fixed slot, certainly the fixed part court the protruding space bar that establishes of butt joint intracavity, two the terminal is located respectively the both sides of space bar, two connecting portion are respectively certainly first board extends along the direction of keeping away from each other.
Further, the first plates of the two terminals are bent and extend forwards from the side edges of the connecting part close to the spacing plate.
Further, the partition plate is connected with the top wall of the butt joint part, the first contact piece and the second contact piece extend into the butt joint cavity, and the length of the first contact piece and the length of the second contact piece extending into the butt joint cavity are equal to the length of the partition plate.
Compared with the prior art, the holding part is formed by punching from the plate surface of the first plate or the second plate and is positioned behind the first contact piece and the second contact piece, the first convex part is arranged to the gap from the first plate or the second plate in a protruding way and is positioned in front of the holding part, the second convex part is arranged to the gap from the first plate or the second plate in a protruding way and is positioned behind the holding part, when the terminal is inserted into the insulating body, the holding piece is in interference fit with the inner wall surface of the insulating body, the first convex part and the second convex part respectively support the first plate and the second plate in the front-back direction of the holding part so as to keep the gap between the first plate and the second plate, and when the terminal is inserted into the butt joint piece, the first contact piece and the second contact piece are clamped and pressed by the butt joint piece, the first projecting portion and the second projecting portion can support the first contact piece and the second contact piece, further ensure the gap between the first contact piece and the second contact piece, ensure the structural stability of the first contact piece and the second contact piece, so that the first contact piece, the second contact piece and the butt joint piece can be continuously and stably contacted, and furthermore, by providing the first projecting portion and the second projecting portion between the first plate and the second plate, the side edges of the first plate and the second plate always maintain the gap, and therefore, when right when the terminal is electroplated, electroplating liquid medicine can in time follow the clearance flows out, can not remain to adhere to first board with on the second board, consequently can guarantee the terminal is electroplated evenly, prolongs the life of terminal.
[ description of the drawings ]
Fig. 1 is an exploded perspective view of the electrical connector of the present invention;
FIG. 2 is a perspective assembly view of FIG. 1;
FIG. 3 is a rear view of the insulator body of FIG. 1;
FIG. 4 is a front view of the insulator body of FIG. 1;
FIG. 5 is a cross-sectional view taken along A-A of FIG. 2;
FIG. 6 is a cross-sectional view taken along line B-B of FIG. 2;
fig. 7 is a perspective view of the terminal;
FIG. 8 is a top view of FIG. 7;
fig. 9 is an enlarged view of C in fig. 8.
Detailed description of the embodiments reference is made to the accompanying drawings in which:
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[ detailed description ] embodiments
For a better understanding of the objects, structure, features, and functions of the invention, reference should be made to the drawings and detailed description that follow.
Referring to fig. 1, an electrical connector 100 according to the present invention is configured to be mated with a mating connector (not shown), the electrical connector 100 is used for a fog lamp of an automobile, the electrical connector 100 includes an insulating body 1, two terminals 2 inserted into the insulating body 1 along a front-back direction, and two screws 3 fixing the terminals 2 to the insulating body 1. The mating connector is provided with a mating member (not shown) that mates with the terminal 2.
Referring to fig. 1 and 5, the insulating housing 1 includes a fixing portion 11, a mating portion 12 extending forward from the fixing portion 11, and a mounting portion 13 extending backward from the fixing portion 11.
Referring to fig. 1, 3 and 5, the fixing portion 11 is provided with two fixing grooves 111 penetrating in a front-back direction, the two fixing grooves 111 are arranged in a left-right direction, the two fixing grooves 111 are respectively used for accommodating and fixing the two terminals 2, a through groove 112 penetrates in the front-back direction from the fixing portion 11, and the through groove 112 is located between the two fixing grooves 111 and below the fixing grooves 111.
Referring to fig. 1, 4 and 5, the mating portion 12 extends forward from the fixing portion 11, the mating portion 12 is recessed from the front to the back to form a mating cavity 121, the mating cavity 121 is located in front of the two fixing slots 111 and is communicated with the two fixing slots 111, the two terminals 2 pass through the fixing slots 111 to enter the mating cavity 121, a partition plate 122 is protruded from the fixing portion 11 forward toward the mating cavity 121, the partition plate 122 is arranged along the vertical direction perpendicular to the front-back direction, the partition plate 122 is connected to the top wall of the mating portion 12, the partition plate 122 is located at the middle position between the two fixing slots 111, and the partition plate 122 is located directly above the through slot 112.
Referring to fig. 1, 3 and 5, the mounting portion 13 extends backward from the fixing portion 11, two threaded mounting holes 131 are formed in the mounting portion 13 along the left-right direction, the threaded mounting holes 131 are formed by recessing the mounting portion 13 from the back to the front, and the threaded mounting holes 131 are blind holes. The two fixing grooves 111 are located between the two screw thread mounting holes 131, a transverse plate 132 is further arranged between the two screw thread mounting holes 131, and the transverse plate 132 is located between the two fixing grooves 111 and above the through groove 112. The mounting portion 13 is provided with an outlet groove 133 at a lower side of each of the threaded mounting holes 131, the outlet groove 133 is formed by recessing from back to front and is U-shaped, and the outlet groove 133 penetrates through the mounting portion 13 in an up-down direction.
Referring to fig. 1, 2 and 5, the terminal 2 is configured to be butted with the butting piece along the front-back direction and form an electrical connection, and the butting piece is cylindrical. The two terminals 2 are respectively inserted into the corresponding fixing grooves 111 along the front-back direction and extend forward into the mating cavity 121, the two terminals 2 are respectively located at two sides of the partition plate 122, the two terminals 2 are arranged in the left-right direction and symmetrically arranged along the central axis of the partition plate 122, and the details will be described when the terminals 2 are introduced below.
Referring to fig. 2, 5 and 7, the structure of the terminal 2 will be described in detail. The terminal 2 includes a connecting portion 21, the connecting portion 21 is plate-shaped, the connecting portion 21 runs through and is equipped with a through-hole 211, the through-hole 211 set up in the central point of connecting portion 21 puts, screw 3 passes the through-hole 211 with the cooperation of screw thread mounting hole 131 will connecting portion 21 is fixed to installation department 13, connecting portion 21 set up in outside insulator 1, because the through-hole 211 set up in the central point of connecting portion 21 puts, the center of connecting portion 21 is fixed on installation department 13, so make connecting portion 21 can be fixed in more balanced firm installation department 13, thereby make first board 23 with the second board 24 is difficult for the beat in the upper and lower direction, guarantees first contact piece 232 with the second contact piece 241 can insert smoothly the interfacing part.
Referring to fig. 1, 2 and 7, an electrical connection portion 22 extends from a lower side of the connection portion 21, the electrical connection portion 22 is used for fixing and electrically connecting a cable (not shown), the electrical connection portion 22 includes a transition portion 221 extending downward from the connection portion 21 and gradually narrowing, a base portion 222 extending downward from the transition portion 221, a cable fixing portion 223 extending rearward from left and right sides of the base portion 222, and an insulating layer fixing portion 224 extending rearward from left and right sides of the base portion 222. The transition portion 221 connects the connecting portion 21 and the base portion 222, the core wire fixing portion 223 is used for clamping and fixing and electrically connecting the core wire of the cable, the insulating layer fixing portion 224 is used for clamping and fixing the insulating outer cover of the cable, and the insulating layer fixing portion 224 is located below the core wire fixing portion 223. The wire outlet groove 133 is used for the electrical conduction part 22 to pass through, the base part 222 is partially accommodated in the wire outlet groove 133, the wire outlet groove 133 limits the electrical conduction part 22 in the left-right direction, when the electrical conduction part 22 is connected with the cable, the cable extends in different directions according to connection requirements because the cable needs to be connected to other structures, and the wire outlet groove 133 can limit the electrical conduction part 22 in the left-right direction, so that the electrical conduction part 22 is prevented from being biased in the left-right direction due to the influence of the cable.
Referring to fig. 5, 6 and 7, a first plate 23 is formed by bending and extending forward from the left side or the right side of the connecting portion 21, the first plate 23 is perpendicular to the connecting portion 21, when two terminals 2 are inserted into the insulating body 1, the two terminals 2 are respectively located at two sides of the spacing plate 122 and are symmetrically arranged along the central axis of the spacing plate 122, in the left-right direction, the first plates 23 of the two terminals 2 are bent and extended forward from the side edges of the connecting portions 21 close to the partition plate 122, the two connecting portions 21 are extended from the first plates 23 in the directions away from each other, specifically, the first plate 23 of the terminal 2 located on the left side of the partition plate 122 is bent and extended forward from the right side edge of the connecting portion 21, and the first plate 23 of the terminal 2 located on the right side of the partition plate 122 is bent and extended forward from the left side edge of the connecting portion 21. The two terminals 2 have the same structure except for the position where the first plate 23 extends from the connecting portion 21, and therefore, only one of the terminals 2 will be described.
Referring to fig. 7 and 8, the first plate 23 is provided with a bending portion 231 connected to the connecting portion 21, the bending portion 231 is stamped to form two reinforcing protrusions 2311, the reinforcing protrusions 2311 are protruded in a direction away from the second plate 24, and the reinforcing protrusions 2311 are used for reinforcing the thickness of the bending portion 231 and preventing the bending portion 231 from being deformed.
Referring to fig. 5, 7 and 9, a second plate 24 is connected to a side edge of the first plate 23 and stacked on the first plate 23, the first plate 23 and the second plate 24 extend in the same direction, the first plate 23 and the second plate 24 are parallel to each other, and a gap 25 is formed between the first plate 23 and the second plate 24. The front section of the first plate 23 is provided with a first contact piece 232, the front section of the second plate 24 is provided with a second contact piece 241 opposite to the plate surface of the first contact piece 232, the first contact piece 232 and the second contact piece 241 extend into the docking cavity 121, and the length of the first contact piece 232 and the second contact piece 241 extending into the docking cavity 121 is equal to the length of the partition plate 122. The gap 25 is formed between the first contact piece 232 and the second contact piece 241, the first contact piece 232 and the second contact piece 241 are used for being jointly inserted into the butt joint piece, the inner wall surface of the butt joint piece is abutted to the outer surfaces of the first contact piece 232 and the second contact piece 241, the butt joint direction and the wiring direction of the terminal 2 are perpendicular, and the phenomenon that the length of the terminal 2 extending in the front-back direction is too long due to the fact that the butt joint direction and the wiring direction of the terminal 2 are the same is avoided, so that the space can be fully utilized, and the length of the terminal 2 in the front-back direction is shortened. The tip of the first contact piece 232 extends forward to form a first guiding portion 2321, the tip of the second contact piece 241 extends forward to form a second guiding portion 2411, and the first guiding portion 2321 and the second guiding portion 2411 are used for guiding the first contact piece 232 and the second contact piece 241 to be inserted into the docking piece.
Referring to fig. 5, 7 and 8, a holding portion 26 is stamped and formed from the plate surfaces of the first plate 23 and the second plate 24, the holding portion 26 is located behind the first contact piece 232 and the second contact piece 241, in other embodiments, only one holding portion 26 may be disposed on the terminal 2, that is, the holding portion 26 is disposed on the first plate 23 or the holding portion 26 is disposed on the second plate 24. In the present embodiment, the holding portion 26 is punched from the first plate 23 and the second plate 24, and has a sheet shape, and in other embodiments, the holding portion 26 may be provided in any shape that can be fixedly fitted to the inner wall surface of the fixing groove 111. The two holding parts 26 are inclined backward from the plate surfaces of the first plate 23 and the second plate 24, and the two holding parts 26 are symmetrically arranged.
Referring to fig. 7 and 9, a first protruding portion 242 and a second protruding portion 243 are stamped and formed on the second plate 24 at intervals, the first protruding portion 242 and the second protruding portion 243 protrude to the gap 25, the first protruding portion 242 is located in front of the second protruding portion 243, and the first protruding portion 242 and the second protruding portion 243 are both disposed on the plate edge of the second plate 24. The first protruding portion 242 is located on the second contact piece 241 and located in front of the holding portion 26, and the second protruding portion 243 is located behind the holding portion 26. In this embodiment, the first protrusion 242 and the second protrusion 243 are both protruded from the second plate 24 to the gap 25, in other embodiments, the first protrusion 242 and the second protrusion 243 are both protruded from the first plate 23 to the gap 25, or the first protrusion 242 is protruded from the first plate 23 and the second protrusion 243 is protruded from the second plate 24, or the first protrusion 242 is protruded from the second plate 24 and the second protrusion 243 is protruded from the first plate 23.
Referring to fig. 5, 7 and 9, the first protrusion 242 and the second protrusion 243 are formed by stamping, and the heights of the first protrusion 242 and the second protrusion 243 in the vertical direction are the same. The height of the first projecting portion 242 and the second projecting portion 243 may be set to be equal to the height of the gap 25, so that the first projecting portion 242 and the second projecting portion 243 abut against the plate surface of the first plate 23 in a free state of the terminal 2 without being inserted into the insulating body 1 and the mating member, that is, in the free state of the terminal 2, the first projecting portion 242 and the second projecting portion 243 can provide support for the first plate 23 and the second plate 24, so that the gap 25 between the first plate 23 and the second plate 24 is always kept consistent, even when the terminal 2 is inserted into the insulating body 1 and the mating member is inserted, the gap 25 between the first plate 23 and the second plate 24 can be always kept, so that the first contact piece 232 and the second contact piece 241 are substantially the same in clamping force of the mating member, the contact areas of the first contact piece 232 and the second contact piece 241 with the docking piece are made to be the same. In other cases, the height of the first projecting portion 242 and the second projecting portion 243 may be smaller than the height of the gap 25, and in this case, in the free state of the terminal 2, the first projecting portion 242 and the second projecting portion 243 do not abut against the plate surface of the first plate 23, when the terminal 2 is inserted into the fixing groove 111, the holding portion 26 is in interference fit with the inner wall surface of the fixing groove 111, the holding portion 26 is pressed by the inner wall surface of the fixing groove 111, so that the second projecting portion 243 abuts against the first plate 23, further, when the first plate 23 and the second plate 24 are inserted into the counterpart, the first plate 23 and the second plate 24 are sandwiched by the counterpart, so that the first plate 23 and the second plate 24 are deformed toward the gap 25, and the first projecting portion 242 abuts against the first plate 23, at this time, the second protruding portion 243 located behind the holding portion 26 abuts against the first plate 23, and the first protruding portion 242 located in front of the holding portion 26 also abuts against the first plate 23, so that the gap 25 between the first plate 23 and the second plate 24 is always kept consistent, and the terminal 2 is stably fixed in the insulating body 1, and meanwhile, stable contact of the terminal 2 is effectively guaranteed.
Referring to fig. 7 and 9, in the present embodiment, the first protrusion 242 is located on the second contact piece 241, in other embodiments, the first protrusion 242 is located on the second contact piece 241, when the first contact piece 232 and the second contact piece 241 are inserted into the mating piece, the first protrusion 242 abuts against the first contact piece 232, and the first protrusion 242 supports the first contact piece 232, so that the gap 25 can be prevented from being reduced due to excessive deformation of the first contact piece 232 toward the second contact piece 241, and the mating piece and the first contact piece 232 and the second contact piece 241 are prevented from being unstable in abutting and failing to be normally electrically connected.
Referring to fig. 7, a press-fitting portion 27 is bent from a side edge of the second plate 24 and extends toward the first plate 23 to press the surface of the first plate 23, and the press-fitting portion 27 is used to fix the first plate 23 and the second plate 24. The crimping portion 27 is disposed at the rear section of the second plate 24 behind the first projecting portion 242 and the second projecting portion 243, and the crimping portion 27 is disposed between the second projecting portion 243 and the reinforcing protrusion 2311.
In summary, the electrical connector of the present invention has the following advantages:
1. the holding portion 26 is punched from the plate surface of the first plate 23 or the second plate 24 to be located behind the first contact piece 232 and the second contact piece 241, the first protrusion 242 is protruded from the first plate 23 or the second plate 24 to the gap 25 and located in front of the holding portion 26, the second protrusion 243 is protruded from the first plate 23 or the second plate 24 to the gap 25 and located behind the holding portion 26, when the terminal 2 is inserted into the insulative housing 1, the holding portion 26 is in interference fit with the inner wall surface of the insulative housing 1, the first protrusion 242 and the second protrusion 243 support the first plate 23 and the second plate 24 in the front-rear direction of the holding portion 26, respectively, to thereby maintain the gap 25 between the first plate 23 and the second plate 24, and when the terminal 2 is inserted into the mating member, the first contact piece 232 and the second contact piece 241 are clamped and pressed by the butting member, the first protruding portion 242 and the second protruding portion 243 can support the first contact piece 232 and the second contact piece 241, the gap 25 between the first contact piece 232 and the second contact piece 241 is further ensured, the structural stability of the first contact piece 232 and the second contact piece 241 is ensured, the first contact piece 232, the second contact piece 241 and the butting member can be continuously and stably contacted, furthermore, the gap 25 is always kept between the first plate 23 and the second plate 24 by arranging the first protruding portion 242 and the second protruding portion 243 between the first plate 23 and the second plate 24, therefore, when the terminal 2 is electroplated, electroplating liquid can timely flow out from the gap 25, the first plate 23 and the second plate 24 are not left attached, so that the terminal 2 can be uniformly plated, and the service life of the terminal 2 is prolonged.
2. When the terminal 2 is inserted into the fixing groove 111, the holding portion 26 is pressed by the inner wall surface of the fixing groove 111, the second protruding portion 243 abuts against the first plate 23, when the first contact piece 232 and the second contact piece 241 are inserted into the mating member, the first protruding portion 242 abuts against the first contact piece 232, the first protruding portion 242 is disposed on the second contact piece 241, the first protruding portion 242 is disposed on the front section of the second plate 24, the second protruding portion 243 is disposed behind the holding portion 26, the second protruding portion 243 is disposed on the rear section of the second plate 24, the first protruding portion 242 and the second protruding portion 243 respectively abut against the first plate 23 in the front and rear direction, so that the gap 25 between the first plate 23 and the second plate 24 is kept consistent, and the abutting force of the mating member against the first contact piece 232 and the second contact piece 241 is the same, the first contact piece 232 and the second contact piece 241 are continuously and stably contacted with the butting piece.
3. The crimping portion 27 is located at the rear section of the second plate 24, the crimping portion 27 is bent from the side edge of the second plate 24 and extends toward the first plate 23 to press against the surface of the first plate 23, the crimping portion 27 is used for fixing the first plate 23 and the second plate 24, and preventing the first plate 23 and the second plate 24 from being away from each other, so that the first plate 23 and the second plate 24 cannot be smoothly inserted into the mating member, the overall structure of the terminal 2 is maintained, and the structural strength of the terminal 2 is ensured.
4. The first plate 23 is provided with the bending portion 231 connected to the connecting portion 21, the bending portion 231 is stamped to form two reinforcing protrusions 2311, the reinforcing protrusions 2311 are protruded in a direction away from the second plate 24, and the reinforcing protrusions 2311 are used for reinforcing the thickness of the bending portion 231 and preventing the bending portion 231 from being deformed.
5. The first protrusion 242 is located on the second contact piece 241, when the first contact piece 232 and the second contact piece 241 are inserted into the mating member, the first protrusion 242 abuts against the first contact piece 232, the first protrusion 242 supports the first contact piece 232, the first contact piece 232 is prevented from being excessively deformed toward the second contact piece 241 to reduce the gap 25, and the mating member is prevented from being unstable in abutment with the first contact piece 232 and the second contact piece 241 and being incapable of normal electrical connection.
6. The wire outlet groove 133 is used for the electrical conduction part 22 to pass through, the base part 222 is partially accommodated in the wire outlet groove 133, the wire outlet groove 133 limits the electrical conduction part 22 in the left-right direction, when the electrical conduction part 22 is connected with the cable, the cable extends in different directions according to the connection requirement because the cable needs to be connected to other structures, and the wire outlet groove 133 can limit the electrical conduction part 22 in the left-right direction, so that the electrical conduction part 22 is prevented from being biased in the left-right direction due to the influence of the cable.
7. The first protruding portion 242 and the second protruding portion 243 are punched and formed from the second plate 24 at intervals, the first protruding portion 242 is located on the second contact piece 241, the second protruding portion 243 is located behind the holding portion 26, and both the first protruding portion 242 and the second protruding portion 243 are punched and formed from the second plate 24, so that the distance between the positions where the first protruding portion 242 and the second protruding portion 243 are punched is small, the first protruding portion 242 and the second protruding portion 243 can be precisely punched in a small area, and the difficulty of the process is reduced.
8. The connecting portion 21 is provided with a through hole 211 in a penetrating manner, the through hole 211 is arranged in the central position of the connecting portion 21, the screw 3 penetrates through the through hole 211 to be matched with the threaded mounting hole 131 to fix the connecting portion 21 to the fixing portion 11, the connecting portion 21 is arranged outside the insulating body 1, and the through hole 211 is arranged in the central position of the connecting portion 21, and the center of the connecting portion 21 is fixed on the mounting portion 13, so that the connecting portion 21 can be stably fixed on the mounting portion 13 in a more balanced manner, the first plate 23 and the second plate 24 are not prone to deflection in the up-down direction, and the first contact piece 241 and the second contact piece 241 can be smoothly inserted into the butt joint piece.
9. The butt joint direction and the wiring direction of the terminal 2 are perpendicular, so that the problem that the length of the terminal 2 extending in the front-back direction is too long due to the fact that the butt joint direction and the wiring direction of the terminal 2 are the same is avoided, the space can be fully utilized, and the length of the terminal 2 in the front-back direction is shortened.
10. From fixed part 11 extends backward installation department 13, be provided with on the installation department 13 screw thread mounting hole 131, connecting portion 21 is equipped with through-hole 211, screw 3 passes through-hole 211 with screw thread mounting hole 131 cooperation will connecting portion 21 is fixed to installation department 13 makes connecting portion 21 can stabilize and be fixed in installation department 13, connecting portion 21 appear in outside insulator 1, easily the operator operates, it is right terminal 2 is dismantled, is changed.
11. The spacing plate 122 protrudes from the fixing portion 11 toward the mating cavity 121 and is connected to the top wall of the mating portion 12, the first contact piece 232 and the second contact piece 241 extend into the mating cavity 121, and the length of the first contact piece 232 and the length of the second contact piece 241 extending into the mating cavity 121 are equal to the length of the spacing plate 122, so that the mating connector can be prevented from being inserted into the mating cavity 121 along a wrong direction, the connector and the mating connector can be prevented from being inserted by mistake, and the terminal 2 can be protected from collision of the mating connector.
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 technical changes that can be made by applying the present specification and the drawings are included in the scope of the present invention.
Claims (14)
1. A terminal for insertion into an insulative housing for mating with a mating member in a front-to-rear direction, comprising:
the electric connector comprises a connecting part, an electric conduction part extending from the connecting part, a first plate extending from the connecting part and a second plate connected with the side edge of the first plate, wherein the extending directions of the first plate and the second plate are the same, a gap is arranged between the first plate and the second plate, a first contact piece is arranged at the front section of the first plate, a second contact piece is arranged at the front section of the second plate and is opposite to the surface of the first contact piece, the first contact piece and the second contact piece are used for being inserted into the butt joint piece, a fixing part is formed by punching from the surface of the first plate or the second plate and is positioned at the rear part of the first contact piece and the second contact piece, the fixing part is used for interference fit with the insulating body, and a first protruding part is convexly arranged from the first plate or the second plate to the gap and is positioned in front of the fixing part, a second protruding portion protruding from the first plate or the second plate to the gap and located behind the holding portion, the second protruding portion being closer to the holding portion than the first protruding portion, and a press-fit portion bent from a side edge of the second plate and extending toward the first plate to press the plate surface of the first plate.
2. The terminal of claim 1, wherein: the crimping portion is arranged on the rear section of the second plate and is located behind the first protruding portion and the second protruding portion.
3. The terminal of claim 1, wherein: the first plate is provided with a bending part connected with the connecting part, the bending part is punched to form two reinforcing convex parts, and the reinforcing convex parts are arranged in a protruding mode towards the direction away from the second plate.
4. The terminal of claim 1, wherein: and the first protruding part and the second protruding part which are arranged at intervals are formed by stamping on the second plate, the first protruding part is positioned on the second contact piece, the second protruding part is positioned behind the holding part, and when the first contact piece and the second contact piece are inserted into the butt joint piece, the first protruding part is abutted to the first contact piece.
5. The terminal of claim 1, wherein: the connecting portion is arranged along the vertical direction perpendicular to the front-back direction, the electric conduction portion is extended below the connecting portion and used for being electrically connected with a cable, the first plate is extended forwards along one side of the left-right direction perpendicular to the front-back direction, and the butt joint direction of the terminal is perpendicular to the wiring direction.
6. The terminal of claim 1, wherein: the first plate is perpendicular to the connecting portion, a through hole penetrates through the connecting portion, and the through hole is formed in the center of the connecting portion.
7. The terminal of claim 1, wherein: the electrical connection part comprises a transition part which extends downwards from the connection part and gradually narrows, a base part which extends downwards from the transition part, a core wire fixing part which extends backwards from the left side and the right side of the base part, and an insulating layer fixing part which extends backwards from the left side and the right side of the base part, wherein the insulating layer fixing part is positioned below the core wire fixing part.
8. An electrical connector, comprising:
at least one terminal and an insulating body, the terminal is used for inserting into the insulating body and butt-jointed with a butt-jointed piece along the front-back direction, the insulating body comprises a fixed part, the fixed part is provided with at least one fixed groove, a butt-jointed part extends forwards from the fixed part, the butt-jointed part is concavely provided with a butt-jointed cavity from front to back, the terminal comprises a connecting part, an electric conduction part extending from the connecting part, a first plate extending from the connecting part, and a second plate which is connected with the lateral margin of the first plate and is stacked with the first plate, a gap is arranged between the first plate and the second plate, the front section of the first plate is provided with a first contact piece, the front section of the second plate is provided with a second contact piece opposite to the first contact piece, and the first contact piece and the second contact piece extend into the butt-jointed cavity for butt-jointing with the butt-jointed piece, the first plate or the second plate is punched to form a fixing part located behind the first contact piece and the second contact piece, the fixing part is in interference fit with the inner wall surface of the fixing groove, a first protruding part is arranged in the gap and located in the front of the fixing part, the first protruding part is located in the butt joint cavity, a second protruding part is arranged in the gap and located behind the fixing part, the second protruding part is closer to the fixing part than the first protruding part, and a crimping part is arranged on the bent side edge of the second plate and extends towards the first plate to press the plate surface of the first plate.
9. The electrical connector of claim 8, wherein: the first protruding portion and the second protruding portion are arranged at intervals and formed by punching on the second plate, the first protruding portion is located on the second contact piece, the second protruding portion is located behind the fixing portion, when the terminal is inserted into the fixing groove, the fixing portion is pressed by the inner wall surface of the fixing groove, and the second protruding portion abuts against the first plate.
10. The electrical connector of claim 8, wherein: from a fixed part ranging back installation department, be provided with an at least screw thread mounting hole on the installation department, connecting portion are equipped with a through-hole, and a screw passes the through-hole with the cooperation of screw thread mounting hole will connecting portion are fixed to the installation department, just connecting portion appear in outside the insulating body.
11. The electrical connector of claim 10, wherein: the installation department is in each the downside of screw thread mounting hole is equipped with a wire groove, the wire groove supplies electrical property lead connection portion passes, electrical property lead connection portion includes a downwardly extending's basal portion, certainly a heart yearn fixed part that the left and right sides of basal portion extended backward, and certainly an insulation layer fixed part that the left and right sides of basal portion extended backward, the insulation layer fixed part is located the below of heart yearn fixed part, the basal portion accept in the wire groove, the wire groove is right in the left and right directions electrical property lead connection portion carries on spacingly.
12. The electrical connector of claim 8, wherein: the fixed slot has two, two the terminal is fixed in respectively the fixed slot, certainly the fixed part court the protruding space bar that establishes in the butt joint intracavity, two the terminal is located respectively the both sides of space bar, two connecting portion are respectively certainly first board extends along the direction of keeping away from each other.
13. The electrical connector of claim 12, wherein: the first plates of the two terminals are bent and extend forwards from the side edges of the connecting part close to the spacing plate.
14. The electrical connector of claim 12, wherein: the partition plate is connected with the top wall of the butt joint part, the first contact piece and the second contact piece extend into the butt joint cavity, and the length of the first contact piece and the length of the second contact piece extending into the butt joint cavity are equal to the length of the partition plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010489453.0A CN111916927B (en) | 2020-06-02 | 2020-06-02 | Electric connector and terminal thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010489453.0A CN111916927B (en) | 2020-06-02 | 2020-06-02 | Electric connector and terminal thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111916927A CN111916927A (en) | 2020-11-10 |
| CN111916927B true CN111916927B (en) | 2021-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010489453.0A Active CN111916927B (en) | 2020-06-02 | 2020-06-02 | Electric connector and terminal thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111916927B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007005100A (en) * | 2005-06-23 | 2007-01-11 | Tyco Electronics Amp Kk | Electric terminal and electric connector using electric terminal |
| CN201374403Y (en) * | 2009-02-27 | 2009-12-30 | 连展科技（深圳）有限公司 | Electric connector |
| CN202034531U (en) * | 2011-01-13 | 2011-11-09 | 中航光电科技股份有限公司 | Power source contacting part, contacting pieces thereof and electric connector |
| CN104425941A (en) * | 2013-08-26 | 2015-03-18 | 第一精工株式会社 | Connector terminal and method of fabricating the same |
-
2020
- 2020-06-02 CN CN202010489453.0A patent/CN111916927B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007005100A (en) * | 2005-06-23 | 2007-01-11 | Tyco Electronics Amp Kk | Electric terminal and electric connector using electric terminal |
| CN201374403Y (en) * | 2009-02-27 | 2009-12-30 | 连展科技（深圳）有限公司 | Electric connector |
| CN202034531U (en) * | 2011-01-13 | 2011-11-09 | 中航光电科技股份有限公司 | Power source contacting part, contacting pieces thereof and electric connector |
| CN104425941A (en) * | 2013-08-26 | 2015-03-18 | 第一精工株式会社 | Connector terminal and method of fabricating the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111916927A (en) | 2020-11-10 |
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