TW201611440A - Electrical connector - Google Patents

Abstract

The present invention provides an electrical connector comprising: a female body, wherein the socket is formed between the grooves; majority of the female terminal, the lines are arranged at intervals of at least provided on one side of the female member, the female terminal to the system one has a metal plate extending portion, a fixed portion and a pin, the fixed portion and female body fixed, the extension is provided with a contact portion at the socket groove, the pin sticking out from the female body; a public seat body, which assembled in the body of the female socket slot; and most of the male terminal, its Department of public spaced located in the body of at least one side of the seat, the male terminal system features an integrated metal piece extending portion, a fixed part and a pin, the fixed portion and the male seat fixing, the extension is provided with a contact portion and the contact portion of the female terminal was elastic contact, the male pin protruding seat in vitro; characterized in that the male and female wherein at least one terminal pin is formed by bending the plate surface and which is fixed transversely to the fixed portion.

Description

Electrical connector

The invention relates to an electrical connector, in particular to a board-to-board electrical connector and an electrical connector in which the spring terminal is embedded in the plastic body and integrally molded.

Please refer to FIG. 1 and FIG. 2 , which are a conventional board-to-board electrical connector, which are provided with male and female electrical connectors that are mutually socketed for electrically connecting two circuit boards, including:

A female body 10 is provided with an intermediate portion 11 and a circumferential side portion 12, the intermediate portion 11 and the circumferential side portion 12 form two concave portions 13, and the circumferential side portion 12 is provided with a female terminal fixing groove 14 which is arranged at intervals, and the intermediate portion 11 There are spaced apart female terminal movable slots 15 on both sides.

A plurality of female terminals 17 are assembled to the female body 10, and are formed by sheet metal blanking: a force arm 18 which is bent from bottom to top and is springable at the female terminal movable slot 15 and A contact point 19 is provided to protrude from the female terminal movable slot 15; a fixing portion 21 extending from the bottom to the bottom is inserted into the female terminal slot fixing groove 14; and a pin portion 20 which is formed with the fixing portion Vertically and horizontally protrudes out of the female body 10.

A male body 23 is provided with a recess 24 in the middle thereof, and a plurality of male terminal slots 25 are arranged on both sides thereof. When combined with the female body 10, both sides of the female body 10 are nested in the two recesses 13 of the female body 10. The intermediate portion 11 of the female body is fitted into the recess 24 in the middle of the male body.

A plurality of male terminals 28 are assembled to the male terminal slots 25 of the male body 23, and are formed by bending a metal piece: a fixing portion 29 fixed to the male terminal slot 25; a contact piece 30, It is connected to one end of the fixing portion 29, which is superposed on the fixing portion 29 from bottom to top. The contact piece 30 is provided with a convex circle 32; and a pin portion 31 is connected to the other end of the fixing portion 29 and horizontally Extend the public body 23 outside.

Referring to FIG. 2, after the male body 23 is joined to the female body 10, the contact point 19 of the female terminal 17 elastically contacts the contact piece 30 of the male terminal 28 to be electrically connected, and the contact point 19 of the female terminal 17 is stuck to the public. The locking portion 32 of the terminal 28 is formed to be locked to prevent the male body 23 from being separated from the female body 10, so that the pin portion 31 of the male terminal is connected to the A circuit board 33, and the pin portion 20 of the female terminal is connected to the B. The circuit board 34 is electrically connected even if the A circuit board 33 and the B circuit board 34 are electrically connected.

The above conventional electrical connectors still have the following disadvantages:

1. The fixing portions 29 and 21 of the male and female terminals are fixed in the vertical direction to the male and female bodies 23 and 10. However, in order to make the electronic thin and light, the above design does not meet the requirements of the low-height electrical connector.

2. The male body 23 and the female body 10 are locked in the up and down direction by the contact point 19 of the female terminal 17 being clamped over the convex circle 32 of the male terminal 28 to form a locking, so the male and female terminals and the male and female terminals are formed. The precision of the manufacture and assembly of the seat is high.

The main object of the present invention is to provide an electrical connector in which the contact portions of the male and female terminals are elastically abutted between the plate surface and the cut surface, that is, one of the contact portions is a plate surface, and the other contact portion is cut. Section, and one of the terminals of the male and female terminals The protruding portion can be bounced up and down, and the contact portion protruding in the up-and-down direction is not provided in the upper portion, and the contact portion of the male and female terminals is elastically abutted up and down, and the plate surface and the cut surface are elastically abutted, so Good contact effect ensures electrical connection, and the assembly precision of male and female terminals is low and easy to manufacture.

Another main object of the present invention is to provide an electrical connector in which the male and female terminals are formed by bending a plate surface and the fixing portions thereof are horizontally and horizontally fixed to the male and female seats, thereby conforming to the male and female The low height of the seat.

Another object of the present invention is to provide an electrical connector in which a locking structure is integrally provided with a first card portion on both sides of a male body, and a second body is integrally provided on both sides of the socket groove of the female body. In the card portion, the first card portion is a laterally protruding block and the second card portion is a recessed portion that is laterally nested, and the two are engaged with each other, thereby facilitating direct snapping of the male and female bodies, and The male and female terminals are only used as the guiding function, and they are not snapped to each other, so the male and female terminals are relatively simple and easy to manufacture and assemble.

Another main object of the present invention is to provide an electrical connector in which the contact portion of the non-bounce terminal is a rough cut surface, which has a better wiping effect, and the contact portion of the bounceable terminal is a smooth plate. The surface connection between the cut surface and the smooth surface is excellent.

Another main object of the present invention is to provide an electrical connector in which each male terminal is partially embedded in a male body and integrally molded, and the locking structure is integrally formed on both sides of the male body. In the card portion, the first card portion is a laterally protruding bump, which is easy to manufacture and the male and female seats are locked.

Another main object of the present invention is to provide an electrical connector having a terminal system Partially embedded in the seat body and integrally injection molded, the extension portion of the terminal is provided with a first portion and a second portion, the first portion is laterally extended, and the first portion is connected to one end of the fixing portion and the other end is buried in the seat. The second portion extends to the socket groove and corresponds to the first portion. The second portion is springable and has a contact portion, thereby achieving integral injection molding of the body embedded in the spring. And the extension of the spring-loaded terminal is combined with the seat body to achieve a reinforcing effect.

In order to achieve the above object, the present invention provides an electrical connector including: a female body which is an insulating material and has a recessed sleeve groove therein; and a plurality of female terminals are arranged at intervals in the female seat At least one side of the body, the female terminal is integrally provided with an extension portion, a fixing portion and a pin, and the fixing portion is fixed to the female seat body, and the extending portion is provided with a contact portion located in the sleeve groove, a pin extends out of the body of the female seat; a male body which is an insulating material and is assembled in a socket of the female body; and a plurality of male terminals spaced apart from each other on at least one side of the male body The male terminal is integrally provided with an extending portion, a fixing portion and a pin. The fixing portion is fixed to the male body, and the extending portion is provided with a contact portion elastically abutting with the contact portion of the female terminal. The pin extends out of the body of the male seat; and the contact portion of the male and female terminals is elastically abutted between the plate surface and the cut surface, that is, one of the contact portions is a plate surface, and the other contact portion is cut off. a surface, and one end of the extension terminal of the male and female terminals Fixing one end portion of the extension portion may be vertically movable projectile and the end section is provided with a contact projecting portion of the vertical direction.

The present invention further provides an electrical connector, comprising: a female body, which is an insulating material and has a sleeve groove formed therebetween; a plurality of female terminals are arranged at intervals At least one side of the female body, the female terminal is integrally provided with an extending portion, a fixing portion and a pin, and the fixing portion is fixed to the female body, and the extending portion is provided with a contact portion at the socket a slot extending from the outside of the female seat; a male body which is an insulating material and is assembled in a socket of the female body; and a plurality of male terminals arranged at intervals in the male body At least one side, the male terminal is integrally provided with an extension portion, a fixing portion and a pin, and the fixing portion is fixed to the male body. The extension portion is provided with a contact portion and the contact portion of the female terminal is elastically resisted. The pin extends out of the body of the male seat; and is characterized in that at least one of the terminals of the male and female terminals is formed by bending a plate surface and the fixing portion thereof is laterally fixed.

The electrical connector, wherein the female body is provided with a plurality of spaced apart female terminal slots on at least one side, the female terminal slots are provided with fixing slots, and the plurality of female terminals are assembled in the plurality of female terminal slots and The fixing portion is fixed to the fixing slot; at least one side of the male body is provided with a plurality of male terminal slots arranged at intervals, the male terminal slot is provided with a fixing slot, and the plurality of male terminals are assembled in the majority of the male terminal slots and The fixing portion is fixed to the fixing groove; the fixing groove of the male and female terminal slots is fixed at least one of the terminals which are laterally matched to the lateral fixing portion; or the male and female terminals are formed by bending the plate surface and the fixing portion is horizontally Or the fixing or the at least one terminal of the male and female terminals is formed by bending the plate surface and fixing the fixing portion thereof horizontally; or wherein the male and female terminals are formed by bending the plate surface and the fixing portion thereof is horizontally fixed.

The present invention further provides an electrical connector, comprising: a female body, which is an insulating material and has a socket groove formed therein; a plurality of female terminals are arranged at intervals on at least one side of the female body, The female terminal is integrally provided with an extension portion and a metal piece a fixing portion and a pin, the fixing portion is fixed to the female body, the extending portion is provided with a contact portion located in the socket groove, the pin extends out of the body of the female seat; a male body, which is an insulating material and is a socket that is assembled to the female body; and a plurality of male terminals are arranged at least on one side of the male body. The male terminal is integrally provided with an extension portion and a pin by a metal piece. The portion is fixed to the male body, and the extending portion is provided with a contact portion elastically abutting the contact portion of the female terminal, the pin extending out of the body of the male seat; wherein one of the terminals of the male and female terminals is a plate surface bend The folding portion is formed such that the extending portion is not elastic and the end cut surface is the contact portion.

The present invention further provides an electrical connector, comprising: a female body, which is an insulating material and has a socket groove formed therein; a plurality of female terminals are arranged at intervals on at least one side of the female body, The female terminal is integrally provided with an extending portion, a fixing portion and a pin, and the fixing portion is fixed to the female seat body, and the extending portion is provided with a contact portion located in the socket groove, and the pin protrudes from the female seat In vitro; a male body, which is an insulating material and is assembled in a socket of the female body; a plurality of male terminals are arranged at intervals on at least one side of the male body, and the male terminal is made of a metal piece An extension portion, a fixing portion and a pin are integrally provided, the fixing portion is fixed to the male body, and the extending portion is provided with a contact portion elastically abutting with the contact portion of the female terminal, the pin extending out of the body of the male seat; And a locking structure, wherein the male body can be locked with each other when the male body is joined to the female body, so that the contact portion of the male terminal and the female terminal are elastically abutted; and the locking structure is a first card portion is integrally formed on both sides of the base body, and the socket is sleeved on the base body A second portion integrally provided on both sides of the card, the first and second portions of the card with the protrusion of the lateral recesses cooperating snap, the male terminal of the contact portion located inside the first engaging portion, the female terminal The contact portion is located inside the second card portion.

The present invention further provides an electrical connector, comprising: a female body, which is an insulating material and has a socket groove formed therein; a plurality of female terminals are arranged at intervals on at least one side of the female body, The female terminal is integrally provided with an extending portion, a fixing portion and a pin, and the fixing portion is fixed to the female seat body, and the extending portion is provided with a contact portion located in the socket groove, and the pin protrudes from the female seat In vitro; a male body, which is an insulating material and is assembled in a socket of the female body; a plurality of male terminals are arranged at intervals on at least one side of the male body, and the male terminal is made of a metal piece An extension portion, a fixing portion and a pin are integrally provided, the fixing portion is fixed to the male body, and the extending portion is provided with a contact portion elastically abutting with the contact portion of the female terminal, the pin extending out of the body of the male seat; And a locking structure, wherein the male body is locked to the female body, and the contact portion of the male terminal and the female terminal are elastically abutted; wherein the locking structure is a second card portion is integrally provided on both sides of the socket groove of the female body, and the second card is For most lateral portion can be set into the recess, the contact portion of the female terminal is located inside the second locking portion.

The electrical connector, wherein the second card portion is a plurality of laterally nestable recesses, the female body is provided with a plurality of spaced apart female terminal slots on at least one side, and the female terminal slots are laterally fixed a plurality of female terminals are assembled to the plurality of female terminal slots and the fixing portion is laterally fixed to the fixing slot, the second card portion is formed in the female terminal slot and above the fixing slot; or wherein the second card The portion is a recess; or the two ends of one of the female terminals on one side of the female body are respectively provided with a top-down groove.

The invention further provides an electrical connector comprising: a female body, which is Insulating material and forming a socket groove in the middle; the female terminals of the plurality are arranged at intervals on at least one side of the female body, and the female terminal is integrally provided with an extension portion, a fixing portion and a pin by a metal piece. The fixing portion is fixed to the female body, and the extending portion is provided with a contact portion located in the socket groove, the pin extending out of the body of the female seat; a male body, which is an insulating material and is assembled in the sleeve of the female seat body a plurality of male terminals, which are arranged at intervals on at least one side of the male body. The male terminal is integrally provided with an extension portion, a fixing portion and a pin with a metal piece, the fixing portion and the male seat The body is fixed, the extension portion is provided with a contact portion elastically abutting with the contact portion of the female terminal, the pin extends out of the body of the male seat; and a locking structure, so that the male seat body can be mutually engaged when engaging the female seat body The contact portion of the male terminal and the contact portion of the female terminal are elastically abutted; wherein the locking structure is integrally provided with a first card portion on both sides of the male body, and the first card portion is at least a laterally protruding bump, the contact portion of the male terminal is located inside the first card portion

In the electrical connector as described, the fixing portion of each of the male terminals is embedded in the male body and integrally molded.

The electrical connector, wherein the at least one laterally protruding bump is a plurality and laterally corresponds to a gap of an adjacent male terminal; or wherein the at least one laterally protruding bump corresponds laterally to an adjacent male terminal a gap, and the male body releases the plurality of laterally protruding bumps in the up and down direction; or wherein the at least one laterally protruding bump is a plurality of and laterally corresponding to the plurality of male terminals; or wherein the at least one lateral convex The plurality of bumps are a plurality of and laterally corresponding to the plurality of male terminals, and the at least one laterally protruding bump has a plurality of bumps corresponding to the male body in the up and down direction; or wherein the at least one laterally protruding bump is a plurality of The transverse direction corresponds to the majority of the male terminals and the majority of the male terminals are opened up and down. And a plurality of through holes corresponding to the upper and lower convex portions of the plurality of laterally protruding protrusions form a plurality of through holes, wherein the extension portion of the male terminal is provided with a turning portion and is located in a gap of the adjacent through holes; or wherein the extension portion of the male terminal is provided The horizontal turning portion does not overlap with the pins and the contact portions in a lateral direction; or the at least one laterally protruding protrusion is an integral strip and extends horizontally between the rows of male terminals.

The electrical connector, wherein at least one of the male and female terminals is formed by bending a plate surface and the fixing portion is laterally fixed; or wherein the female body is provided with a plurality of spaced apart female terminal slots on at least one side of the female body The female terminal slot is provided with a fixing slot, and the plurality of female terminals are assembled to the plurality of female terminal slots, and the fixing portion thereof is fixed to the fixing slot, and at least one side of the male body is provided with a plurality of male terminal slots arranged at intervals. The male terminal slot is provided with a fixing slot, and the plurality of male terminals are assembled to the plurality of male terminal slots, and the fixing portion thereof is fixed to the fixing groove.

The electrical connector, wherein the extension of the female terminal is rotatable, the extension of the male terminal is not bounceable; or the extension of the female terminal is springable, and the extension of the male terminal is not Bounce, the extension of the female terminal is provided with a horizontal force arm or a vertical force arm or an oblique force arm; or the end of the pin of the female terminal is horizontal, and the end of the pin of the male terminal is Or horizontally; or wherein the extension of the female terminal is rotatable, the extension of the male terminal is not elastic, and the fixing portion of the male terminal is formed at the extension, and the fixing portion is vertically fixed to the male body or The fixing portion is laterally fixed to the male body; or the female terminal is formed by bending the plate surface and the extending portion is elastically movable in the direction of the plate surface and the contact portion is disposed on the cutting end surface of the extending portion, and the male terminal is The extension cannot be bounced; or one of the male and female seats has one up and down a limiting surface of the direction, the extension of one of the male and female terminals abuts the limiting surface or abuts against the limiting surface; or the contact portion of the male and female terminals is the only male and female The terminal contacts the conduction portion; or the sleeve groove of the female body is a single concave portion, the male body is a single convex portion; or the middle portion of the female seat body is provided with a convex intermediate portion, so that the sleeve groove is Two recesses on two sides of the middle portion, a recess is formed in the middle of the male body to form a convex portion on the two sides, and the concave portion of the male body is sleeved corresponding to the middle portion of the female body, and the two sides of the male body The convex portion is corresponding to the two concave portions of the female body.

The electrical connector, wherein the extension of the female terminal can be bounced up or down or laterally; or the extension of the female terminal can be laterally bounced, and the extension of the male terminal cannot be bounced The contact portion of the male and female terminals is laterally elastically contacted, and a protruding intermediate portion is disposed in the middle of the female seat body, so that the sleeved groove is a concave portion on two sides of the intermediate portion, and the male seat body A concave portion is formed in the middle to form a convex portion on the two sides, and the contact portion of the male terminal is laterally communicated with the concave portion, and the concave portion of the male body is sleeved corresponding to the middle portion of the female body, and the convex portion on the two sides of the male body The portion is corresponding to the two concave portions of the female body, and the extending portion of the female terminal is provided with a horizontal force arm and a lateral elastic power arm, and one end of the horizontal force arm is connected to the other end of the fixing portion and extends to the middle portion of the female body. The lateral elastic power arm is connected to the horizontal section and extends vertically upwards or upwards and extends obliquely from the inside to the outside. The lateral elastic power arm is provided with the contact portion protruding laterally to the socket groove, and the contact portion can be It is formed by bending the plate surface or forming the cut surface at the end of the extension portion.

The invention further provides an electrical connector, comprising: a body, which is made of an insulating material and provided with a set of connecting slots; and a plurality of terminals arranged at intervals in the base body, The terminal is integrally formed with an extension portion, a fixing portion and a pin, and the fixing portion is fixed to the base body. The extension portion is connected to one end of the fixing portion and is provided with a protruding contact portion at the socket. a slot, the pin is connected to the other end of the fixing portion and extends out of the body; wherein the fixing portion of the at least one row of the plurality of terminals is embedded in the seat body and integrally injection molded, and the extension of the row of terminals a first portion and a second portion are disposed. The first portion is laterally extended. One end of the first portion is connected to one end of the fixing portion and the other end is embedded in the base body. The second portion extends to the sleeve groove and is up and down. Corresponding to the first part, the second part can be bounced and provided with the contact part, and the spring part of the second part corresponding to the upper part of the first part is a clearance area.

The electrical connector, which is a female connector of a board-to-board connector, wherein the socket is located in the middle of the body and is recessed downward, the inlet of the socket is facing upward, and the majority of the terminals are spaced apart The arrangement is arranged on two sides of the seat body, and the socket groove can be sleeved into a male connector for electrical connection.

The electrical connector is an electrical connector for connecting a cable or a flexible circuit board, wherein the inlet of the socket is facing forward, and the second portion of the plurality of terminals is vertically rotatable, and the plurality of terminals The two rows of terminals arranged in a staggered manner and the front and rear legs are arranged as one row of terminals of the rear foot.

The electrical connector, wherein the second portion extends from the first portion away from the one end of the fixing portion to the socket groove, and the maximum width of the first portion is greater than the maximum width of the second portion, the first portion The second portion of the first portion is covered by the base material in a vertical direction, and the clearance portion is formed with a bottom surface and is flush with the first portion; or the second portion thereof Decoupling from the first end away from one end of the fixed portion Extending into the socket, the seat body is provided with a through hole corresponding to the spring portion of the second portion; or wherein the second portion extends from the first portion away from the end of the fixed portion to the a sleeve groove, the maximum width of the first portion is greater than a maximum width of the second portion, the first portion can completely cover the spring portion of the second portion in the up and down direction, and the second portion of the first portion is covered by the seat material The clearance area is formed with a bottom surface and is flush with the first portion, and the first lower plate surface is flush with the bottom surface of the base body; or the second portion is reflexed from the first portion away from the one end of the fixed portion to In the socket, the maximum width of the first portion is greater than the maximum width of the second portion, and the first portion can completely cover the spring portion of the second portion in the up and down direction, and the second portion of the first portion is a seat material package. Covering, the clearance area is formed with a bottom surface and flush with the first portion, and the first lower plate surface is flush with the bottom surface of the base body, and the base body is provided with a plurality of partition plates separating the clearance areas of each terminal. a plurality of recesses; or wherein the second portion extends from the first portion away from the end of the fixed portion to a socket, the partition is provided with a plurality of through holes, each of which corresponds to a spring portion of a second portion of a terminal; or wherein the second portion is pierced from the middle of the first portion The lower portion and the peripheral side of the first portion are covered and fixed by the base material, and the clearance portion is formed with a bottom surface and is flush with the first portion, and the second portion corresponds to the lower portion A through hole is formed.

The electrical connector, wherein the socket portion of the base body is integrally provided with a second card portion, the second card portion can be snap-fitted to the male connector, and the second card portion is a plurality of lateral sleeves a concave portion, wherein the upper portion of the concave portion is provided with an upper card surface, the plurality of concave portions are laterally corresponding to the gap of the adjacent terminals, and the upper portion of the concave portion is provided with an upper card surface; or the plurality of concave portions Horizontally corresponds to between adjacent terminals a gap, and the upper surface of the concave portion is provided with an upper card surface and the bottom surface of the lower body forms a plurality of through holes; or wherein the plurality of concave portions are laterally corresponding to the plurality of terminals; or wherein the plurality of concave portions are laterally corresponding to the majority The terminal is provided with the plurality of terminals up and down, and the upper surface of the plurality of recesses is provided with an upper card surface, and the bottom surface of the lower body forms a plurality of through holes. The fixing portion of the terminal is provided with a turning portion and is located at the adjacent through hole. The gap between the turning portion of the fixing portion of the terminal and the extending portion does not overlap laterally; or the contact portion of the terminal protrudes upward, the second portion can be bounced up and down; or the contact portion of the terminal is Laterally protruding, the second portion can be laterally bounced; or the sleeve groove of the seat body is a single recess; or wherein the middle portion of the seat body is provided with a protruding intermediate portion, so that the sleeve groove is a recessed portion located on two sides of the intermediate portion; or wherein the contact portion of the terminal is the only contact point with the terminal of the male connector; or wherein the two ends of the female terminal of one side of the female body are respectively provided A concave top to bottom of the ditch.

The electrical connector, wherein the contact portion of the terminal is formed at the end of the second portion or the plate portion of the second portion is bent and protruded; or wherein the fixed portion of the terminal extends laterally; or The fixing portion of the terminal and the first portion of the extending portion extend horizontally and horizontally.

The electrical connector as described, wherein the second portion of the extension of the terminal is extended in a forward direction, that is, in a direction of insertion; or wherein the second portion of the extension of the terminal is extended in a forward direction, that is, The insertion direction extends, and the contact portion is disposed at an end section of the second portion, and the contact portion is disposed at an entrance of the sleeve groove at the end section of the second portion, and the second portion of the plurality of terminals Can be bounced up and down; or The front end of the first portion of the extension of the row of terminals is flush with the height of the seat body, the first portion extends to the foremost end of the seat body, and the second portion extends rearwardly from the front end of the first portion; or the row of terminals The second portion may be provided with a groove having a bottom surface for bounced on the bottom surface of the socket groove; or the second portion of the row of terminals may be provided with one of the bottom surfaces corresponding to the bottom surface of the sleeve groove The groove is made to be elastic; or the second portion of the row of terminals may be provided with a through hole for bounce corresponding to the bottom surface of the sleeve groove; or wherein the second portion of the row of terminals may correspond to the The bottom surface of the socket is provided with a row of through holes for springing.

The electrical connector is an electrical connector for connecting a cable or a flexible circuit board, wherein the inlet of the socket is facing forward, and the second portion of the plurality of terminals is vertically rotatable, and the plurality of terminals a row of terminals arranged in a staggered manner with front and rear legs; wherein the bottom surface of the front side of the sleeve groove is provided with a groove having a bottom surface and a bottom surface of the rear portion is provided with a through hole, and the first portion of the extension portion of the rear row of the terminal Is flush with the bottom surface of the groove, and the front end of the through hole is still combined by the fixing portion of the one row of the rear leg; or the first front end of the extension of the row of the rear leg is The seat body is flush and fixed, and the first portion extends to the foremost end of the seat body, and the second portion extends rearward from the front end of the first portion.

The present invention can summarize the following features and advantages:

1. The contact between the male and female terminals is elastically abutted up and down, and the plate surface and the cut surface are elastically abutted, so that the contact effect is ensured, the electrical connection is ensured, and the precision of the male and female terminal assembly is required. Low and easy to manufacture.

2. The male and female terminals are formed by bending the plate surface and the fixing portions are horizontal and water. The flat and male and female seats are fixed; this can meet the low height requirements of the male and female seats.

3. The locking structure is integrally provided with a first card portion on both sides of the male body, and a second card portion is integrally provided on both sides of the socket groove of the female body, the first card portion is laterally convex The block and the second card portion are recessed portions, and the two are engaged with each other; thereby achieving easy mutual locking between the male and female seats, and the male and female terminals only serve as guiding functions, and do not buckle each other. The male and female terminals are relatively simple and easy to manufacture and assemble.

4. The contact portion of the non-bounce terminal is a rough cut surface, which has a better scratching effect, and the contact portion of the springable terminal is a smooth plate surface, and the electrical connection effect between the cut surface and the smooth plate surface Very good.

5. Each of the male terminals is partially embedded and molded into a male body, and the locking structure is integrally provided with a first card portion on both sides of the male body, and the first card portion is laterally convex. The bumps are easy to manufacture and the male and female bodies are locked.

The terminal is partially embedded and integrally molded, and the extension portion of the terminal is provided with a first portion and a second portion. The first portion extends laterally, and one end of the first portion is connected to one end of the fixing portion and the other portion is connected. One end is embedded in the seat body, the second portion extends to the socket groove and corresponds to the first portion. The second portion is springable and has a contact portion, thereby achieving the body's embedded bounce. The terminal is integrally injection molded, and the extension portion of the spring terminal is combined with the seat body to achieve a reinforcing effect.

The above and other objects, advantages and features of the present invention will become more apparent from

10‧‧‧Female body

11‧‧‧Intermediate

12‧‧‧ week side

13‧‧‧ recess

14‧‧‧Female terminal fixing groove

15‧‧‧Female terminal active slot

17‧‧‧Female terminal

18‧‧‧

19‧‧‧Contact points

21‧‧‧ Fixed Department

20‧‧‧foot

23‧‧‧ public body

24‧‧‧ recess

25‧‧‧ male terminal slot

28‧‧‧ male terminal

29‧‧‧ Fixed Department

30‧‧‧Contacts

31‧‧‧foot

32‧‧‧Convex

33‧‧‧A circuit board

331‧‧‧ solder pads

34‧‧‧B circuit board

341‧‧‧ solder pads

36‧‧‧ shed

40‧‧‧Female body

41‧‧‧ socket

411‧‧‧ partition board

412‧‧‧ Groove

413‧‧‧through hole

414‧‧‧through hole

42‧‧‧Female terminal slot

421‧‧‧fixed slot

45‧‧‧ recess

44‧‧‧Upper card face

46‧‧‧Intermediate

47‧‧‧Limited surface

49‧‧‧ Groove

48‧‧‧Female solder slot

481‧‧‧fixed slot

50‧‧‧Female terminal

51‧‧‧Extension

52‧‧‧Fixed Department

53‧‧‧ pins

54‧‧‧Contacts

56‧‧‧Electroless plating section

511‧‧‧ horizontal arm

512‧‧‧ lateral elastic power arm

513‧‧‧ first

514‧‧‧ second part

60‧‧‧ public body

61‧‧‧ recess

610‧‧‧ Groove

611‧‧‧through hole

62‧‧‧ male terminal slot

621‧‧‧fixed slot

68‧‧‧Male solder slot

681‧‧‧fixed slot

64‧‧‧Bumps

69‧‧‧ convex

70‧‧‧ male terminal

71‧‧‧Extension

711‧‧‧ Turning Department

712‧‧‧End of the extension

72‧‧‧ Fixed Department

73‧‧‧ pins

74‧‧‧Contacts

76‧‧‧Electroless plating section

80‧‧‧Female soldering piece

81‧‧‧Electroless plating section

82‧‧‧ fixed department

83‧‧‧ feet

85‧‧‧ Male Solder

86‧‧‧Electroless plating section

87‧‧‧Fixed Department

88‧‧‧ pins

90‧‧‧ body

91‧‧‧ socket

913‧‧‧ card block

920‧‧‧ horizontal positioning slot

914‧‧‧ joint surface

915‧‧‧ pivot slot

93‧‧‧ Groove

92‧‧‧Baffle

94‧‧‧Longitudinal positioning slot

95‧‧‧Chute

96‧‧‧ recess

97‧‧‧stop surface

98‧‧‧ convex

99‧‧‧ card slot

910‧‧‧ Groove

930‧‧‧through hole

100‧‧‧ terminals

100’‧‧‧ terminals

101‧‧‧Extension

102‧‧‧Fixed Department

103‧‧‧ pins

104‧‧‧ first

105‧‧‧Part II

107‧‧‧First and second connections

106‧‧‧Contacts

110‧‧‧Metal cover

111‧‧‧ top surface

112‧‧‧ side

113‧‧‧ Notch

1131‧‧ ‧ gap

114‧‧‧Back

115‧‧‧Longitudinal positioning film

116‧‧‧ barbed

117‧‧ ‧ convex card

118‧‧‧ Grounding piece

119‧‧‧Kakong

1120‧‧‧ horizontal positioning film

1124‧‧‧ Positioning film

1122‧‧‧Shrap

1123‧‧‧ front end

120‧‧‧ Skateboarding

121‧‧‧Resistance Department

122‧‧‧Cards

123‧‧‧Operation Department

124‧‧‧ recess

125‧‧‧ ribs

1210‧‧‧Kakong

1211‧‧‧ convex

130‧‧‧ pivoting parts

131‧‧‧Operation Department

132‧‧‧ pivot

133‧‧‧Resistance Department

134‧‧‧ gap

160‧‧‧Soft circuit board

170‧‧‧Traditional male connector

171‧‧‧ male terminal

172‧‧‧ card block

180‧‧‧Traditional female connector

181‧‧‧Female terminal

182‧‧‧ card block

Figure 1 is a cross-sectional exploded view of a conventional electrical connector.

Fig. 2 is a schematic cross-sectional view showing the state of use of the conventional electrical connector.

Figure 3 is a side elevational cross-sectional view of the male and female connectors of the first embodiment of the present invention.

Figure 4 is a side elevational cross-sectional view of the male and female connectors of the first embodiment of the present invention.

Figure 5 is a perspective exploded view of the male and female connectors of the first embodiment of the present invention.

Figure 6 is a side elevational cross-sectional view of the male and female connectors of the second embodiment of the present invention.

Fig. 7 is a side sectional sectional view showing the male and female connectors of the second embodiment of the present invention.

Figure 8 is a side elevational cross-sectional view showing the male and female connectors of the third embodiment of the present invention.

Figure 9 is a side elevational cross-sectional view of the male and female connectors of the third embodiment of the present invention.

Figure 10 is a side elevational cross-sectional view showing the male and female connectors of the fourth embodiment of the present invention.

Figure 11 is a side elevational cross-sectional view of the male and female connectors of the fourth embodiment of the present invention.

Figure 12 is a side elevational cross-sectional view showing the male and female connectors of the fifth embodiment of the present invention.

Figure 13 is a side elevational cross-sectional view of the male and female connectors of the fifth embodiment of the present invention.

Figure 14 is a perspective exploded view of the male and female connectors of the sixth embodiment of the present invention.

Figure 15 is a side elevational cross-sectional view showing the male and female connectors of the sixth embodiment of the present invention.

Figure 16 is a side elevational cross-sectional view of the male and female connectors of the sixth embodiment of the present invention.

Figure 17 is a perspective view of a female terminal of a sixth embodiment of the present invention.

Figure 18 is a perspective exploded view of the male and female connectors of the seventh embodiment of the present invention.

Figure 19 is a side elevational cross-sectional view showing the male and female connectors of the seventh embodiment of the present invention.

Figure 20 is a side elevational cross-sectional view of the male and female connectors of the seventh embodiment of the present invention.

Figure 21 is a perspective view of a female terminal of a seventh embodiment of the present invention.

Figure 22 is a perspective exploded view of the male and female connectors of the eighth embodiment of the present invention.

Figure 23 is a side elevational cross-sectional view showing the male and female connectors of the eighth embodiment of the present invention.

Fig. 24 is a side sectional sectional view showing the male and female connectors of the eighth embodiment of the present invention.

Figure 25 is a perspective view of a female terminal of an eighth embodiment of the present invention.

Figure 26 is a perspective view of a male terminal of an eighth embodiment of the present invention.

Figure 27 is a perspective view of a male connector of an eighth embodiment of the present invention.

Figure 28 is a perspective view of a female connector of an eighth embodiment of the present invention.

Figure 29 is a side elevational cross-sectional view showing the male and female connectors of the ninth embodiment of the present invention.

Figure 30 is a side elevational cross-sectional view of the male and female connectors of the ninth embodiment of the present invention.

Figure 31 is a side elevational sectional view showing the connection of a conventional male connector of a female connector according to a ninth embodiment of the present invention.

Figure 32 is a side elevational sectional view showing the connection of a conventional female connector of the male connector of the ninth embodiment of the present invention.

Figure 33 is a side elevational cross-sectional view showing the male and female connectors of the tenth embodiment of the present invention.

Figure 34 is a side elevational cross-sectional view showing the male and female connectors of the eleventh embodiment of the present invention.

Figure 35 is a side elevational cross-sectional view showing the male and female connectors of the twelfth embodiment of the present invention.

Figure 36 is a perspective view of a female terminal of a twelfth embodiment of the present invention.

Figure 37 is a side elevational cross-sectional view showing the male and female connectors of the thirteenth embodiment of the present invention.

Figure 38 is a perspective view of a male connector of a fourteenth embodiment of the present invention.

Figure 39 is a side cross-sectional view showing the female connector of the fifteenth embodiment of the present invention.

Figure 40 is a perspective exploded view of a sixteenth embodiment of the present invention.

Figure 41 is a perspective assembled view of a sixteenth embodiment of the present invention.

Figure 42 is a perspective view of a metal upper cover of a sixteenth embodiment of the present invention.

Figure 43 is a side sectional view showing the position of the terminal 100' of the sixteenth embodiment of the present invention.

Figure 44 is a side sectional view showing the state of use of the sixteenth embodiment of the present invention (position of the terminal 100).

Figure 45 is a side sectional view showing the state of use of the sixteenth embodiment of the present invention.

Figure 46 is a perspective exploded view of a seventeenth embodiment of the present invention.

Figure 47 is a side sectional sectional view showing a seventeenth embodiment of the present invention.

Figure 48 is a perspective exploded view of an eighteenth embodiment of the present invention.

Figure 49 is a side sectional sectional view showing an eighteenth embodiment of the present invention.

Figure 49A is a perspective assembled view of a nineteenth embodiment of the present invention.

Figure 50 is a perspective exploded view of a twentieth embodiment of the present invention.

Figure 51 is a side sectional sectional view showing a twentieth embodiment of the present invention.

Figure 52 is a perspective exploded view of a twenty-first embodiment of the present invention.

Figure 53 is a perspective assembled view of a twenty-first embodiment of the present invention.

Figure 54 is a side sectional view showing a twenty-first embodiment of the present invention.

Figure 55 is a side sectional view showing the state of use of the twenty-first embodiment of the present invention.

Figure 56 is a perspective exploded view of a twenty-second embodiment of the present invention.

Figure 57 is a cross-sectional perspective view showing a twenty-second embodiment of the present invention.

Figure 58 is a side cross-sectional view (position of terminal 100') of a twenty-second embodiment of the present invention.

Figure 59 is a side sectional view showing the position of the chute 95 of the twenty-second embodiment of the present invention.

Figure 60 is a side sectional view showing the state of use of the twenty-second embodiment of the present invention (the position of the chute 95).

Figure 61 is a side elevational cross-sectional view showing the male and female connectors of the twenty-third embodiment of the present invention.

Figure 62 is a side cross-sectional view (position of terminal 100') of a twenty-fourth embodiment of the present invention.

Figure 63 is an exploded perspective view showing a twenty-fifth embodiment of the present invention.

Figure 64 is a side sectional view (position of the terminal 100') of the twenty-fifth embodiment of the present invention.

Figure 65 is a side sectional view (position of terminal 100') of a twenty-sixth embodiment of the present invention.

Referring to FIG. 3, FIG. 4 and FIG. 5, it is a first embodiment of the present invention, which is a board-to-board electrical connector, comprising a female body 40, a plurality of female terminals 50, a male body 70, Most of the male terminals 80, 4 female solder tabs 80, 4 male solder tabs 85, and a locking device, wherein:

The socket body 40 is made of an insulating plastic material and has a recessed sleeve groove 41 in the middle. The sleeve groove 41 is a single groove, and the sleeve groove 41 is provided with a row and a plurality of intervals. The female terminal slot 42 is provided with a horizontal and horizontal fixing slot 421. The fixing slot 421 is formed with a laterally recessed recess 45. The recess 45 is provided with an upper card surface 44. The female housing 40 is provided. The outer ends of one of the female terminal slots 42 are provided with a top-down recess 49. The outer end of the recess 49 is provided with a female solder tab slot 48. The female solder tab slot 48 is provided with a lateral direction. And a horizontally extending fixing groove 481.

The plurality of female terminals 50 are arranged in two rows and arranged in two rows of female terminal slots 42 on both sides of the female body 40 to form a female connector. The female terminal 50 is formed by bending a metal sheet surface. The fixing portion 52 is laterally and horizontally extended, and the protruding portion of the fixing portion 52 is provided with a protruding barb and a fixing groove of the female terminal slot 42. The 421 is horizontally fixed, and one end of the extending portion 51 is connected to one end of the fixing portion 52 and extends obliquely upward to extend the end to the female body 40. The sleeve portion 41 has an oblique force arm that can be up and down and the end cut surface is the most convex upward contact portion 54. The contact portion 54 is a natural arc formed when punching or goes. The lead 53 is connected to the other end of the fixing portion 52. The legs 53 are not horizontal, and the pins 73 of the two rows of male terminals respectively extend outside the female body 40.

The male body 60 is made of an insulating plastic material and is assembled into the socket groove 41 of the female body 40 by a single convex portion. The male body 60 is provided with a row of male terminal slots arranged at a plurality of intervals. The male terminal groove 62 is provided with a horizontally and horizontally extending fixing groove 621. The outer ends of the row of male terminal grooves 62 are respectively provided with a male soldering groove 68, and the male soldering groove 68 is provided with a lateral direction and A horizontally extending fixing groove 681.

A plurality of male terminals 70 are arranged in two rows at a distance of two rows of male terminal slots 62 of the male body 60 to form a male connector. The male terminal 70 is formed by bending a metal plate surface, and the integral is formed. An extending portion 71, a fixing portion 72 and a pin 73 are provided. The extending portion 71 is provided with a horizontal portion extending horizontally and horizontally. The fixing portion 72 is provided on both sides of the horizontal portion. The fixing portion 72 is convex. In the barb, the plate surface below the horizontal section is the contact portion 74, and the fixing portion 72 is horizontally fixed with the fixing groove 621 of the male terminal groove, so that the extending portion 71 is not elastic, and the contact portion 74 and the female portion The contact portion 54 of the terminal 50 is elastically abutted. The pin 73 is connected to the extending portion 71 and the non-segment is horizontal. The pins 73 of the two rows of male terminals respectively extend out of the male body 60.

The contact portions 74 and 54 of the male and female terminals are the only conductive and female terminals that are in contact with each other.

The four female solder tabs 80 are assembled and fixed to the four female solder tab slots 48. The female solder tabs 80 are provided with a fixing portion 82 and a pin 83. The fixing portion 82 extends laterally and horizontally. The fixing portion 82 is horizontally fixed to the fixing groove 481 of the female soldering groove 48. The pin 83 is connected to one end of the fixing portion 82. The pin 83 is not horizontally extended outside the female body 40. The structure of the sheet 80 is identical to the fixing portion 52 and the pin 53 of the female terminal 50.

The four male solder tabs 85 are assembled and fixed to the four male solder tab slots 68. The male solder tabs 85 are provided with a fixing portion 87 and a pin 88 extending laterally and horizontally. The fixing portion 87 is fixed. The fixing groove 681 of the male soldering groove 68 is horizontally fixed. The pin 88 is connected to one end of the fixing portion 87. The pin 88 is not horizontally extended outside the male body 60.

The locking structure is configured such that the male body 60 can be locked to each other when the male body 60 is joined to the female body 40, so that the contact portion 74 of the male terminal 70 and the contact portion 54 of the female terminal 50 are elastically abutted. A first card portion is integrally formed on both sides of the lower end of the base 40, and a second card portion is integrally formed on both sides of the socket groove 41 of the base body 40. The first and second card portions are laterally convex and concave portions. The first card portion is a plurality of lateral protrusions 64. The upper and lower ends of the protrusions 64 are provided with a guiding slope. The second card portion is a plurality of laterally nested recesses 45. The recess portion 45 is formed in the recessed portion 45. The female terminal slot is transversely penetrated.

As shown in FIG. 4, when the male body 60 is joined to the female body 40, the contact portion 74 of the male terminal 70 and the contact portion 54 of the female terminal 50 are elastically abutted, and the plurality of bumps 64 of the male body 60 are stuck. The plurality of recesses 45 are defined in the female body 40, so that the male and female seats 60, 40 can be prevented from being detached; as shown in FIG. 5, the female body 40 is provided with the concave grooves 49 to make the two of the sleeve grooves 41. The side portions are easily springed to facilitate the majority of the projections 64 of the male body 60 to snap into the majority of the recesses 45 of the female body 40.

The pins 73 of the plurality of male terminals 70 are electrically connected to the pads 331 of the A circuit board 33, and the pins 53 of the plurality of female terminals 50 are electrically connected to the pads 341 of the B circuit board 34, thus achieving A. The circuit board 33 and the B circuit board 34 are electrically connected.

In manufacturing, one row of female terminals 50 and two female soldering pieces 80 are stamped by the same metal sheet, and one row of male terminals 70 and two male solder tabs 85 are stamped by the same metal sheet. Therefore, please refer to FIG. 5, the same side of the second side. The electroless plated section 81 of the pin end of the female solder tab 80 has the same height as the electroless plated section 56 of the pin end of the row of female terminals 50, and the pin ends of the two male solder tabs 85 on the same side The electroless plated section 86 is at the same height as the electroless plated section 76 of the pin end of a row of male terminals 70.

Through the above description, the present embodiment can summarize the following features and advantages:

1. The contact portion of the male and female terminals is an elastic contact between the plate surface and the cut surface, wherein the contact portion 74 of the male terminal 70 is a plate surface and the extension portion 71 does not spring, and the contact portion 54 of the female terminal 50 is Cutting the surface, and one end of the extending portion 51 is connected to one end of the fixing portion and the other end is extended to the socket groove 41 of the female body 40. The extending portion can be bounced up and down and the contact portion is not protruded upward. 54; The contact portion of the male and female terminals is elastically abutted up and down, and the plate surface and the cut surface are elastically abutted, so that the contact effect is ensured, the electrical connection is ensured, and the precision requirements of the male and female terminal assembly are required. Low and easy to manufacture.

2. The male and female terminals 70, 40 are formed by bending the plate surface and the fixing portions 72, 42 are horizontally and horizontally fixed to the male and female seats 60, 40; thereby conforming to the male and female seats 60 40 low-level demand.

3. The locking structure is integrally provided with a first card portion on both sides of the male body 60, and a second card portion is integrally provided on both sides of the socket groove 41 of the female body 40. The first card portion is The lateral bumps 64 and the second card portions are recessed portions 45, and the two are engaged with each other; thereby achieving easy mutual locking between the male and female seats, and the male and female terminals are only used as guides. The connection function does not snap to each other, so the male and female terminals are relatively simple and easy to manufacture and assemble.

Please refer to FIG. 6 and FIG. 7 , which are the second embodiment of the present invention, which is substantially the same as the first embodiment, and the difference is that the middle portion 46 of the female body 40 of the embodiment is provided with a protruding intermediate portion 46. The socket groove 41 is a recessed portion on two sides of the intermediate portion, and the female terminal groove 42 extends to the intermediate portion 46. A recess 61 is formed in the middle of the male body 60 to form a convex portion 69 on both sides. The recessed portion 61 of the base body is sleeved corresponding to the intermediate portion 46 of the female base 40, and the convex portion 69 on the two sides of the male body is sleeved corresponding to the sleeve groove 41 of the female seat having two recesses, and the extension portion 51 of the female terminal A horizontal force arm 511 and a side elastic power arm 512 are disposed. The horizontal force arm 511 is connected to the fixing portion 52 at one end and extends to the intermediate portion 46 of the female body 40. The lateral elastic arm 512 is connected to the horizontal force. The arm 511 extends vertically upwards, and the end surface of the lateral elastic power arm 512 is inclined downwardly and protrudes downwardly to the socket groove 41. The end cutting surface of the extending portion 51 is a contact portion 54.

The male terminal groove 62 of the male body is provided with a vertically extending fixing groove 621. The extending portion 71 of the male terminal 70 is substantially bent into a U shape, and the vertical front portion of the inner side of the extending portion 71 is a contact portion 74 and a tail portion. The segment is a fixing portion 72 that is laterally communicated with the recess portion 61. The male terminal 70 is assembled from the bottom to the top, and the fixing portion 72 is fixed to the vertical fixing groove 621.

In addition, the locking structure can be mutually locked when the male body is joined to the female body by the male terminal snapping the female terminal, that is, the extending portion 71 of the male terminal 70 is provided to protrude from the inner side of the convex portion 69. As shown in FIG. 7 , when the male body 60 is joined to the female body 40 , the convex portion 75 of the male terminal 70 can be caught under the contact portion 54 of the female terminal 50 . The side of the female terminal 50 is elastically moved inward toward the elastic power arm 512.

Referring to FIG. 8 and FIG. 9 , it is a third embodiment of the present invention, which is substantially the same as the second embodiment, and the difference is that the extension portion 71 of the male terminal 70 of the present embodiment is provided to protrude from the outer side of the convex portion 69. When the male portion 60 is joined to the female body 40, the convex portion 75 of the male terminal 70 is caught in the concave portion 45 of the female body 40.

Referring to FIG. 10 and FIG. 11 , it is a fourth embodiment of the present invention, which is substantially the same as the third embodiment. The difference is that the fixing slot 621 of the male terminal slot 62 of the male body 60 of the present embodiment is like the first embodiment. The embodiment extends laterally and horizontally. The end portion of the extending portion 71 of the male terminal 70 is a horizontally extending fixing portion 72 fixed to the fixing groove 621. The end portion of the extending portion 71 is a vertical contact portion 74. The side portion 74 is laterally communicated with the recessed portion 61. The side of the extending portion 51 of the female terminal 50 is inclined downwardly and protrudes downwardly from the plate surface of the elastic power arm 512 to the socket groove 41, and the plate surface is bent again to form a contact portion. The contact portion 54 is a slightly inclined flat surface. When the contact portion 74 of the male terminal 70 elastically abuts the contact portion 54 of the female terminal, the lateral side of the female terminal is responsive to the inner side. The contact portion 54 is turned into a vertical surface to have a large area of contact with the contact portion 74 of the male terminal 70.

In addition, a limiting surface 47 is disposed on each of the two sides of the bottom portion of the intermediate portion 46 of the female body 40. The horizontal force arm 511 of the female terminal 50 abuts against the limiting surface 47.

The embodiment further has the following technical features, that is, the contact portion 74 of the male terminal 70 that does not spring is a rough cut surface, and has a better scratching effect, and the contact portion 74 of the springable female terminal 50 is The optical skateboard surface has the best electrical connection between the cut surface and the smooth surface.

Referring to FIG. 12 and FIG. 13 , it is a fifth embodiment of the present invention, which is substantially the same as the first and fourth embodiments, and the difference is that the male terminal slot of the male body 60 of the embodiment is provided with a vertical extension. The fixing portion 621, the contact portion 54 of the female terminal 50 is a convex point of the plate surface bending, the end of the extending portion 51 can abut against the limiting surface 47, and the male terminal 70 is also formed by bending a metal sheet surface. The extension portion 71 is provided with an extending portion 71, a fixing portion 72 and a pin 73. The extending portion 71 is provided with a vertically extending vertical section. The fixing portion 72 is disposed on both sides of the vertical segment. The cut end surface of the segment is a contact portion 74. The fixing portion 72 is vertically fixed from the upper and lower fixing grooves 621 of the male terminal groove, so that the extending portion is not bounced, and the contact portion 74 is made of a male body. The lower end of the 60 is exposed and elastically abuts up and down with the contact portion 54 of the female terminal 50. The pin 73 is connected to the extending portion 71 and the horizontal portion protrudes out of the male body 60 horizontally.

Referring to FIG. 14 to FIG. 17, a sixth embodiment of the present invention is a board-to-board electrical connector including a female body 40, a plurality of female terminals 50, a male body 70, and a majority Terminal 80, 4 female solder tabs 80, 4 male solder tabs 85, and a locking device, wherein:

The female body 40 is made of an insulating plastic material and has a recessed sleeve groove 41 formed therein. The sleeve groove 41 is a single groove.

The plurality of female terminals 50 are arranged in two rows at two sides of the socket groove 41 of the female body 40 to form a female connector, and each female terminal 50 is partially embedded in the female body 40 and integrated. The female terminal 50 is formed by bending a metal plate surface, and is integrally provided with an extending portion 51, a fixing portion 52 and a pin 53. The fixing portion 52 is horizontally and horizontally extended and embedded in the female body. The extension portion 51 is provided with a first portion 513 and a second portion The first portion 513 is connected to one end of the fixing portion 52 and extends laterally and horizontally to a point in the lateral direction of the female body. The second portion 514 extends obliquely upward from the other end of the second portion 513 to One end of the first portion 513 of the connecting portion 514 is fixed to the female body 50, and the second portion 514 of the folded portion is elastically movable up and down and the end cut surface is the most convex. The upward contact portion 54 is a natural arc or a deburring angle formed when punching, and the female body corresponds to the spring portion of the second portion 514 on the upper surface of the first portion 513. For the clearance area, the maximum width of the first portion 513 is greater than the maximum width of the second portion 514. The first portion 513 can completely cover the spring portion of the second portion 514 in the up and down direction, and the two sides of the first portion 513 are The base body is covered with a material such that the clearance area is formed with a bottom surface and is flush with the first portion 513. The bottom surface of the clearance area is the bottom surface of the socket groove 41, and the legs 53 are not horizontal, the two rows The pins 53 of the female terminal respectively protrude outside the female body 40.

The male body 60 is made of an insulating plastic material and is assembled into the socket groove 41 of the female body 40 by a single convex portion. The male body 60 is provided with a row of grooves 610 arranged at a plurality of intervals on both sides of the bottom surface. .

The plurality of male terminals 70 are arranged in two rows at two sides of the male body 60 to form a male connector, and each of the male terminals 70 is partially embedded in the male body and integrally injection molded. The male terminal 70 is formed by bending a metal plate surface, and is integrally provided with an extending portion 71 and a pin 73. The extending portion 71 has a meander shape, and the extending portion 71 is also a fixed portion and is mostly buried in the male seat. 60 is fixed, only the upper and lower plates are exposed, so the extension portion 71 does not spring and the lower portion of the horizontal portion of the lower end is exposed and flushed to the bottom surface of the groove 610, and the contact portion 74 is in contact with the female terminal 50. The portion 54 is elastically abutted up and down, and the The pin 73 is connected to the extending portion 71 and the non-segment is horizontal. The pins 73 of the two rows of male terminals respectively extend out of the two sides of the male body 60.

The contact portions 74 and 54 of the male and female terminals are the only conductive and female terminals that are in contact with each other.

The four female soldering pieces 80 are fixed on two sides of the female body 40 and located at the outer ends of the two rows of female terminals 50. The female soldering piece 80 is provided with a fixing portion and a pin, which are substantially the same as the fixing of the female terminal. And the fixing portion is also horizontally and horizontally embedded and fixed to the female body 40, and the unsegmented portion of the pin also extends horizontally outside the female body 40.

The four male solder tabs 85 are fixed on two sides of the male body 60 and are located at the outer ends of the two rows of male terminals 70. The male solder tabs 85 are provided with a fixing portion and a pin, which are substantially the same as the fixing of the male terminal. The fixing portion is vertically embedded in the male body 60, and the pin is horizontally extended outside the male body 60.

The locking structure is configured such that the male body 60 can be locked to each other when the male body 60 is joined to the female body 40, so that the contact portion 74 of the male terminal 70 and the contact portion 54 of the female terminal 50 are elastically abutted. A first card portion is integrally formed on two sides of the lower end of the base body 60, and a second card portion is integrally formed on both sides of the socket groove 41 of the base body 40. The first and second card portions are laterally convex and concave. The first card portion is a plurality of laterally protruding protrusions 64. The upper and lower ends of the protrusions 64 are provided with guide bevels. The plurality of protrusions 64 are laterally and vertically corresponding to the adjacent male terminals 70. The plurality of protrusions 64 are in the up-and-down direction, and the second card portion is the plurality of laterally nestable recesses 45. The plurality of recesses 45 are laterally and vertically correspond to adjacent mothers. a gap between the terminals 50, and the upper portion of the recessed portion 45 has an upper card surface 44 above and a lower portion of the bottom surface of the corresponding base body Through hole 413.

As shown in FIG. 16, when the male body 60 is joined to the female body 40, the contact portion 74 of the male terminal 70 and the contact portion 54 of the female terminal 50 are elastically abutted in the vertical direction, and the plurality of bumps of the male body 60 are as shown in FIG. 64 cards are fixed to the plurality of recesses 45 of the female body 40, so that the male and female seats 60, 40 can be prevented from being detached; as shown in FIG. 14, one of the female terminals 40 on both sides of the female body 40 is two The ends are respectively provided with a top-down groove 49. The groove 49 can make the two sides of the sleeve groove 41 easy to bounce, so that the majority of the protrusions 64 of the seat body 60 are inserted into the holder. Most of the recesses 45 of the body 40.

The pins 73 of the plurality of male terminals 70 are electrically connected to the pads 331 of the A circuit board 33, and the pins 53 of the plurality of female terminals 50 are electrically connected to the pads 341 of the B circuit board 34, thus reaching the A circuit board 33 and the B circuit. The board 34 is electrically connected.

In manufacturing, the male and female terminals and the male and female solder tabs are also stamped as in the first embodiment, so that the electroless plating section 81 of the female solder tab 80 is at the same height as the electroless plating section 56 of the female terminal 50. The electroless plated section 86 of the male solder tab 85 has the same height as the electroless plated section 76 of the male terminal 70.

By the above description, the present embodiment has the following advantages in addition to the advantages of the first embodiment:

1. The second portion 514 of the extension portion of the female terminal 50 is vertically movable in the clearance area, but the two sides of the first portion 513 are covered by the base body material, so that the clearance portion is formed with the bottom surface and the first portion 513 is flush, the bottom surface of the clearance area is the bottom surface of the socket groove 41, such that the bottom surface of the socket groove 41 can be combined with the first portion 513 of the extension portion of the plurality of female terminals 50 to provide better structural strength. In order to provide small size specifications The plastic seat has good structural strength.

2. The first portion 513 of the extension portion of the female terminal 50 completely covers the spring portion of the second portion 514 in the up and down direction, and the plurality of recess portions 45 are laterally and vertically corresponding to the gap between the adjacent female terminals 50. Moreover, the concave portion 45 has a top upper surface and the bottom surface of the female base 40 corresponding to the lower surface forms a plurality of through holes 413. Therefore, the female body 40 can be directly and vertically molded, without the need of a slider, and the manufacturing process is simplified.

Referring to FIG. 18 to FIG. 21, it is a seventh embodiment of the present invention, which is substantially the same as the sixth embodiment. The difference is that a central portion 46 is provided in the middle of the female body 40 of the embodiment. The socket groove 41 is a recessed portion on two sides of the intermediate portion. The male body 60 is provided with a recess 61 in the middle thereof to form a convex portion 69 on both sides. The recess portion 61 is provided with a row of grooves arranged at a plurality of intervals. 610, the concave portion 61 of the male body is sleeved corresponding to the intermediate portion 46 of the female body 40, and the convex portion 69 on the two sides of the male body is sleeved corresponding to the sleeve groove 41 of the female body having two recesses, the female terminal The first portion 513 of the extension portion 51 of the 50 extends to the intermediate portion 46. The second portion 514 is bent forwardly by the end of the first portion 513, and then folded downward to the outside to form a laterally movable arm. The end surface of the extending portion 51 is a contact portion 54. The second portion 514 protrudes outwardly from the contact portion 54. The first and second connecting ends 515 of the extending portion 51 are stacked and embedded in the female body 50. The intermediate portion 46 is fixed, and the extension portion 71 of the male terminal 70 is also fixed to the male body 60. The extended portion 71 is provided with a vertical section and is not folded back. The vertical section for contacting the inner surface of the plate portion 74, the contact portion 74 is located flush with the bottom surface of the recess 610, the extending section 71 does not allow the lower end portion reflexed a plate surface rather than cut surfaces.

As shown in FIG. 20, when the male body 60 is joined to the female body 40, the male terminal 70 The contact portion 74 elastically abuts the contact portion 54 of the female terminal 50 in a lateral direction, and the second portion 514 of the female terminal 50 springs inward.

Referring to FIG. 22 to FIG. 28, it is an eighth embodiment of the present invention, which is substantially the same as the seventh embodiment, and the difference is that the sleeve groove 41 of the female body 40 of the embodiment has a row of spaces on each side. The bump 410 has a recessed portion 45 formed in the lateral direction of the bump 410. The plurality of recesses 45 laterally correspond to the plurality of female terminals 50 and allow the plurality of female terminals 50 to be opened up and down. The plurality of recesses 45 correspond to each other. A plurality of through holes 413 are formed in the bottom surface of the female body 40. The fixing portion 52 of the female terminal 50 is provided with a gap of the turning portion 521 located in the adjacent through hole 413. The turning portion 521 and the extending portion 51 are laterally misaligned and do not overlap. The lower surface of the first portion 513 of the extension portion of the terminal 50 is flush with the bottom surface of the female body 40, such that the clearance area of each female terminal 50 is lower than the bottom surface of the socket groove 41, and the female body 40 is provided. A plurality of partition plates 411 separate a clearance area of each female terminal 50 to form a plurality of recesses 412, and a plurality of partition plates 411 reinforce the female body structure; most of the laterally protruding bumps of the male body 60 The 64 series laterally corresponds to the contact portion 74 of the majority of the male terminals 70 and allows the majority of the male terminals 70 to be opened up and down, and the A plurality of through holes 611 are formed in the male body corresponding to the upper and lower sides of the horizontally protruding projections 64. The extending portion 71 of the male terminal 70 is provided with a horizontal turning portion 711 and is located in a gap between the adjacent through holes 611. 711 and the contact portion 74 and the pin 73 are laterally misaligned and do not overlap.

With the above configuration, the embodiment can achieve the following effects, namely:

1. The male body 60 and the male terminal 70 can be assembled to the upper and lower molds, and the block 64 is laterally corresponding to the male terminal 70. The female body 40 and the female terminal 50 can also be assembled by the upper and lower molds, and the concave portion 45 is horizontally corresponding to the female terminal. 50, the male and female connectors of this embodiment It can be matched with the traditional male and female connectors.

2. The lower surface of the first portion 513 of the extension of the female terminal 50 is flush with the bottom surface of the female body 40, thereby reducing the height of the female body 40.

3. The female body 40 is provided with a plurality of partition plates 411 separating the clearance areas of each of the female terminals 50, and the plurality of partition plates 411 strengthen the female body structure.

Referring to FIG. 29 and FIG. 30, it is a ninth embodiment of the present invention, which is substantially the same as the eighth embodiment. The difference is that the block 64 of the male body 60 of the present embodiment corresponds to the male body 60. The top surface, such that the upper and lower mold clamping is required to fit the slider, and the extension end portion 712 of the male terminal is bent horizontally.

Referring to FIG. 31, when the female connector of the present embodiment is connected to the conventional male connector 170, the laterally protruding block 172 of the male terminal 171 of the conventional male connector 170 can be laterally inserted into the female body of the embodiment. The recess 45 of 40.

Referring to FIG. 32, when the male connector of the present embodiment is connected to the conventional female connector 180, the laterally protruding latch 182 of the female terminal 181 of the conventional female connector 180 can be stuck to the male body 60 of the embodiment. Above the bump 64.

Referring to FIG. 33, it is a tenth embodiment of the present invention, which is substantially the same as the sixth embodiment, and the difference is that the lower surface of the first portion 513 of the extension portion of the female terminal 50 of the embodiment is opposite to the female body 40. The bottom surface is flush, so that the clearance area of each female terminal 50 is lower than the bottom surface of the socket groove 41. The female body 40 is provided with a plurality of partition plates 411 to separate the clearance area of each female terminal 50. The groove 412 reinforces the female body structure by a plurality of partition plates 411.

Please refer to FIG. 34, which is an eleventh embodiment of the present invention, which is substantially the same as the seventh embodiment. The difference is that the lower surface of the first portion 513 of the extension portion of the female terminal 50 of the embodiment is flush with the bottom surface of the female body 40, so that the clearance area of each female terminal 50 is lower than the socket. The bottom surface of the groove 41 is provided with a plurality of partition plates 411 separating the clearance areas of each female terminal 50 to form a plurality of grooves 412. The plurality of partition plates 411 strengthen the female body structure.

Referring to FIG. 35 and FIG. 36, it is a twelfth embodiment of the present invention, which is substantially the same as the eleventh embodiment, and differs in the first portion 513 and the second portion of the extension portion of the female terminal 50 of the present embodiment. The board surface of the 514 has the same width, and the clearance area of each female terminal 50 has no bottom surface to form a through hole lower than the bottom surface of the socket groove. The base body 40 is provided with a plurality of partition plates 411 for separating each female terminal 50. A plurality of through holes 414 are formed in the clearance area, and the female body structure is strengthened by a plurality of partition plates 411. The first and second connecting ends 515 of the extending portion 51 of the female terminal 50 are stacked and embedded in the female body 50. The intermediate portion 46 is fixed.

37 is a thirteenth embodiment of the present invention, which is substantially the same as the twelfth embodiment, and the difference is that the lower portion of the first portion 513 of the extension portion of the female terminal 50 of the present embodiment is higher than the female surface. The bottom surface of the base 40.

Referring to FIG. 38, it is a fourteenth embodiment of the present invention, which is substantially the same as the ninth embodiment, and the difference is that the block 64 of the male body 60 of the embodiment is convexly disposed on two sides and is integrally formed. The strips extend horizontally between a row of male terminals 70, which is relatively simple to manufacture. However, when the upper and lower molds are shot, the slider is required.

39 is a fifteenth embodiment of the present invention, which is substantially the same as the ninth embodiment, and differs in the second portion of the extension of the female terminal 50 of the present embodiment. The rear portion of the 514 is folded back and then folded at an oblique angle, and the end portion is formed with the contact portion 54. In addition, a plurality of spaced apart partition plates 415 are provided on both sides of the female body.

40, FIG. 41, FIG. 42 and FIG. 43 are the sixteenth embodiment of the present invention. The electrical connector for connecting a cable or a flexible circuit board comprises a body 90 and a plurality of terminals 100 and 100. 'A metal upper cover 110, and a pressing member, wherein:

The seat body 90 is made of a plastic material and is provided with a recessed sleeve groove 91. The sleeve groove 91 extends to the front end of the seat body 90 and is open to form a forward entrance. The bottom surface of the sleeve groove 91 is fastened. There are two rows of grooves 93 which are staggered in the front and rear. The adjacent grooves 93 are separated by a partition 92. A rear longitudinal positioning groove 94 is disposed behind the sleeve groove 91 and near the rear end of the sleeve groove 91. The extending direction of the 94 is perpendicular to the bottom surface of the sleeve groove 91. The row of longitudinal positioning grooves 94 and the groove 93 of the rear row are staggered back and forth, that is, a longitudinal positioning groove 94 is provided between the grooves 93 of any two adjacent rear rows. The upper side of the sleeve groove 91 is provided with a higher sliding groove 95. The sliding groove 95 is provided with a stopping surface 97 and a downward concave portion 96 near the front end. The rear portion of the sliding groove 95 is provided with an upward convex portion 98. Two slots 99 and a recess 910 are defined on each side of the base 90.

The plurality of terminals are arranged at intervals in the base 90, and the terminal pitch is 0.3 mm. Each of the terminals is partially embedded in the base 90 and integrally injection molded. The plurality of terminals include a row of terminals of the rear leg. 100 and one row of terminals 100' of the front leg, the row of terminals 100 and the row of terminals 100' are each having a terminal pitch of 0.6 mm, and the row of terminals 100 and the row of terminals 100' are staggered so that the overall terminal pitch is 0.3. The terminal 100 is formed by bending a metal sheet surface, and is integrally provided with an extending portion 101 and a fixing portion. The fixing portion 101 is fixed in a horizontal direction and horizontally embedded in the plastic body 30. The extending portion 101 is provided with a first portion 104 and a second portion 105. The first portion 104 is connected at one end to the fixing portion. One end of the 102 is laterally and horizontally extended forwardly through the front end of one of the grooves 93 of the front row of the seat 90, and the second portion 105 is inclined upwardly from the other end of the first portion 104 and extends from the groove 93 to the The socket groove 91, the first and second connecting ends 107 are fixed by the overlapping embedded body 90, and the second portion 105 of the folded portion has an oblique arm that can be bounced up and down at the groove 93 and the end cut surface The most convex upward contact portion 106 is a natural arc or a deburring angle formed when punching, and the plastic body corresponds to the second portion 105 on the upper surface of the first portion 104. The first portion 104 has a maximum width that is greater than a maximum width of the second portion 105. The first portion 104 completely covers the spring portion of the second portion 105 in the up and down direction. The first portion 104 The two sides are covered by a plastic seat, so that the clearance area is formed with a bottom surface and is flush with the first portion 104, and the bottom surface of the clearance area is a bottom surface of the recess 93, the non-segment of the pin 103 extends horizontally from the rear end of the base 90; the terminal 100' is substantially identical in construction to the terminal 100, except that the pin 103 of the terminal 100' is not horizontally extended. The second portion 105 of the extension portion of the terminal 90 is located in the groove 93 behind the seat body 90, and the second portion 105 of the extension portion of the terminal 100' is not folded again. The contact portions 106 of the row of terminals 100 and the contact portions 106 of the row of terminals 100' are both inclined rearward and staggered in a front-rear direction.

The two rows of staggered grooves 93 are respectively the springing spaces of the second portions 105 of the extensions 101 of the two rows of terminals 100, 100'.

The metal upper cover 110 is assembled and fixed on the base 90, and is provided with a top The front surface 111 and the two side surfaces 112 are in the shape of a cymbal. The front end of the top surface 111 is provided with a notch 113 and the rear end is bent downwardly to a rear surface 114. The rear surface of the top surface 111 is punctured downwardly and vertically bent by a row of spaces. The longitudinal positioning piece 115 and the longitudinal positioning piece 115 are provided with convex barbs 116 on both sides, and the two side surfaces 112 are integrally provided with two convex convex cards 117 and a grounding concave piece 118 which is recessed inwardly. The positioning piece 115 is locked to the longitudinal positioning groove 94 of the base 90. The two sides are engaged on the two sides of the base 90 and the convex card 117 is locked with the card slot 99. The grounding piece 118 is received in the groove 910. The top surface 111 is a flat surface and is a support surface above the sleeve groove 91 of the base body 90. The front end of the sleeve groove 91 forms an insertion opening through which a line of wires or a flexible circuit board can be inserted.

The pressing member is disposed between the seat body 90 and the metal upper cover 110. The pressing member is a sliding plate 120 that can slide back and forth with respect to the insulating seat body. The sliding plate 120 is formed by bending a metal plate and is provided. The pressing portion 121 of the flat plate body can be pressed against the wire or the flexible circuit board, and the convex portion of the rear end of the pressing portion 121 is provided with a convex portion protruding rearward, so that the rear end of the pressing portion 121 is a concave portion 124. A convex engaging portion 122 is disposed on the outer side of the convex portion. The front end of the pressing portion 121 is a metal plate piece folded to form a thick operation portion 123, and the plate of the pressing portion 121 faces the lower punching rib 125. The two sides of the pressing portion 121 abut against the sliding groove 95 of the seat body 90. When the sliding plate 120 slides to the innermost end of the sliding groove 95, the operating portion 123 still exposes the metal upper cover 110 and engages the notch 113. The front end of the base 90 does not protrude, and the engaging portion 112 can be positioned at the rear end of the convex portion 98. When the sliding plate 120 slides out, the blocking surface 37 of the base 90 can block the The latching portion 122 prevents the slider 120 from sliding off the front end of the insulating base.

With the above configuration, as shown in FIG. 44, the cable or the flexible circuit board 160 The front end of the seat body 90 can be electrically connected to the socket groove 91, and the sliding plate 120 can be slid into the socket groove 91 even if the pressing portion 121 abuts the wire or the flexible circuit board 160, as shown in FIG. When sliding out, the latching portion 122 falls into the recessed portion 96, so that the sliding plate 120 can be lifted up so that the pressing portion 121 does not press against the wire or the flexible circuit board 160, and the cable can be taken forward at this time. Or a flexible circuit board 160.

This embodiment also has the advantages described in the sixth embodiment. The seat 90 of this type of electrical connector is very small, and the spacer 92 is too thin due to the burying of the terminal, but by the recess 93 The first portion 104 having the bottom surface and joining the extension portion 101 of one terminal can strengthen the structural strength of the base 90.

Referring to FIG. 46 and FIG. 47, it is a seventeenth embodiment of the present invention, which is substantially the same as the sixteenth embodiment. The difference is that the terminal pitch of the embodiment is about 0.5 mm, and the socket of the base 90 is A row of grooves 93 may be provided on the bottom surface of the 91, and the majority of the terminals are only one row of terminals 100 of the rear leg.

FIG. 48 and FIG. 49 are the eighteenth embodiment of the present invention, which is substantially the same as the seventeenth embodiment. The difference is that the bottom surface of the socket groove 91 of the base 90 of the embodiment is provided with a row of through holes. 930 replaces the groove 93 of the seventeenth embodiment, and the adjacent through holes 930 are separated by a partition plate 92. The difference between the terminals 100 is only that the first portion 104 and the second portion 105 of the extending portion 101 are plate surfaces, etc. The first and second connecting ends 107 are also fixed by the stacked embedded body 90.

Referring to FIG. 49A, it is a nineteenth embodiment of the present invention, which is substantially the same as the eighteenth embodiment. The difference is that the bottom surface of the socket groove 91 of the base 90 of the embodiment has a large through hole. 930.

Referring to FIG. 50 and FIG. 51, it is a twentieth embodiment of the present invention, which is substantially the same as the sixteenth embodiment. The difference is that the bottom surface of the socket groove 41 of the base 90 of the present embodiment is provided with two rows of front and rear. The misaligned through hole 930 replaces the groove of the sixteenth embodiment, and the adjacent through hole 930 is separated by a partition 92. The terminal 100, 100' differs only in the first portion 104 and the second portion of the extending portion 101. The portion 105 is equal in width to the plate surface, and the first and second connecting ends 107 are also fixed by the stacked embedded body 90.

Referring to FIG. 52, FIG. 53 and FIG. 54, a twenty-first embodiment of the present invention is substantially the same as the sixteenth embodiment, and the difference is that the pressing member of the embodiment is a pivoting member 130. The pivoting member 130 is disposed between the base body 90 and the metal upper cover 110 and pivotable relative to the base body 90. The sleeve 90 of the seat body 90 is provided with a concave joint surface 914 and a pivotal connection on each side. The groove 915 has a height higher than the bottom surface of the sleeve groove 91. The top surface of the metal upper cover 110 is larger than the sixteenth embodiment and three recesses 1131 are recessed rearward.

The pivoting member 130 can be made of metal or plastic. It is provided with an operating portion 131, a pivot 132 and a pressing portion 133. The operating portion 131 can be joined to the engaging surface 914 and the metal cover. The top surface of the working portion 131 is flush with the recess 113. The rear end of the operating portion 131 is provided with three contacts 1311 to connect a rod body to form two notches 134. The two sides of the rod body protrude from the pivot portion 132. The pivots 132 are pivotally connected to the pivoting slots 915 on the two sides of the sleeve groove 91 of the base 90, and the top surface 111 of the metal upper cover 110 abuts on the pivot 132. The middle portion of the body is the pressing portion 133. The pressing portion 133 is a cam. The top surface 111 of the metal upper cover 110 is pressed against the pressing portion 133 through the notch 134. The three notches 1131 can be combined with the operation. The three contacts 1311 of the working portion 131 are accommodated. As shown in FIG. 54, when the operating portion 131 is horizontally engaged with the engaging surface 914, the pressing portion 133 protrudes downward slightly below the engaging surface 914; As shown in the figure, when the operating portion 131 is rotated upward by 90 degrees, the pressing portion 133 is not lower than the engaging surface 914, so that the pressing portion 133 can be pressed or relaxed by the pivoting member 130. Socket cable or flexible circuit board.

Each of the two sides of the base body 90 is provided with a card block 913. The two sides of the metal cover 110 are respectively provided with a card hole 119, and the card block 913 locks the card hole 119.

Referring to FIG. 56 to FIG. 60, it is a twenty-second embodiment of the present invention, which is substantially the same as the sixteenth embodiment. The difference in this embodiment is:

An upward convex surface 922 is disposed in the middle of the rear portion of the base body 90. Three horizontal horizontal positioning grooves 920 are disposed under the convex surface 922.

The metal upper cover 110 is assembled on the seat body 90 from the front and the rear. The top surface 111 of the metal upper cover 110 is cut in the rear to form three horizontal positioning pieces 1120 which are bent downwardly and horizontally and horizontally extending rearward. The positioning piece 1120 is locked to the three horizontal positioning slots 920, and the upper end of the two side ends is bent inwardly into a horizontal positioning piece 1124. The positioning piece 1124 acts as a grounding piece and is stuck above the groove 910 of the base 90. The card surface 926 is provided with a spring piece 1122 extending forward and backward from the front side of the top surface 111. The front end 1123 of the elastic piece 1122 is inclined and bent into the concave portion 96 of the base body 90.

The second portion 105 of the extension portion 101 of the two rows of terminals 100, 100' is punctured from the surface of the first portion 104 and tilted upwardly, and the second extension portion 105 of the two rows of terminals 100, 100' are Extending backwards, that is, along the direction of insertion of the cable, the upper surface of the first portion 104 of the two rows of terminals 100, 100' is flush with the bottom surface of the groove 93. The lower side and the peripheral side are embedded and fixed to the seat body 90, that is, the seat body material is covered and fixed, and the portions of the two grooves 93 corresponding to the second portion 105 are formed to be permeable.

Each of the two sides of the front portion of the pressing portion 121 of the sliding plate 120 is provided with a card hole 1210. The convex portion 1211 protrudes rearwardly. Therefore, the convex portion 1211 is provided with a reinforcing rib 125.

Referring to FIG. 58 and FIG. 59, when the sliding plate 120 is inserted into the socket groove 91, the front end 1123 of the elastic piece 1122 is engaged with the card hole 1210 to lock the sliding plate 120, and the pressing portion 121 of the sliding plate 120 can be firmly fixed. The cable or the flexible circuit board is inserted into the socket 91. Referring to FIG. 60, when the slider 120 pulls out the socket 91, the convex portion 1211 of the rear end of the sliding plate 120 is the same as the concave portion 96. The front end 1123 of the elastic piece is pressed downward to make the sliding plate 120 tilt upward, and the cable or the flexible circuit board can be inserted or pulled out without interference.

Referring to FIG. 61, it is a twenty-third embodiment of the present invention, which is substantially the same as the sixth embodiment. The difference in this embodiment is that the structure of the female terminal 50 and the buried incident structure of the female body 40 are the same as In the twenty-second embodiment, the second portion 514 of the extension portion 51 of the female terminal 50 is punctured upward by the first portion 513.

Referring to FIG. 62, it is a twenty-fourth embodiment of the present invention, which is substantially the same as the twenty-first embodiment. The difference in this embodiment lies in the structure of the terminal 100, 100' and the embedding with the female body 40. The injection configuration is the same as that of the twenty-second embodiment.

Referring to FIG. 63 and FIG. 64, it is a twenty-fifth embodiment of the present invention, which is substantially the same as the sixteenth embodiment. The difference in this embodiment is that the overall length of one row of terminals 100' of the front leg is substantially the same. The width of the board is such that the two rows of terminals 100, 100' and the insulating base 30 are buried and formed, and the front section of the sleeve groove 91 of the base 90 is concave. a groove 93, the bottom surface is coupled to the first extending portion 104 of the terminal 100, and the rear portion is a through hole 930. However, the front end of the through hole 930 is still joined by the fixing portion 102 of the row of terminals 100 of the rear leg. strength.

Referring to FIG. 65, it is a twenty-sixth embodiment of the present invention, which is substantially the same as the twentieth embodiment. The difference in this embodiment is that the pivoting member 130 is formed by bending a metal plate, and the rear foot is The front end of the first portion 104 of the row of terminals 100 is fixedly coupled with the base body 90 and is flushed to the bottom surface of the socket groove. The spacer 36 is further provided with the adjacent terminal. The first portion 104 extends to the front end of the base 90. The second portion 105 has a longer force arm, and the front row of the row of terminals 100' is the same as the twenty-fifth embodiment.

The specific embodiments of the present invention are set forth in the detailed description of the preferred embodiments of the present invention, and are not intended to limit the scope of the invention, The scope of the situation can be implemented in various changes.

40‧‧‧Female body

41‧‧‧ socket

42‧‧‧Female terminal slot

421‧‧‧fixed slot

45‧‧‧ recess

44‧‧‧Upper card face

50‧‧‧Female terminal

51‧‧‧Extension

52‧‧‧Fixed Department

53‧‧‧ pins

54‧‧‧Contacts

60‧‧‧ public body

62‧‧‧ male terminal slot

621‧‧‧fixed slot

64‧‧‧Bumps

70‧‧‧ male terminal

71‧‧‧Extension

72‧‧‧ Fixed Department

73‧‧‧ pins

74‧‧‧Contacts

Claims (21)

An electrical connector includes: a female body which is an insulating material and has a recessed socket groove therein; and a plurality of female terminals are arranged at intervals on at least one side of the female body, the female terminal The metal piece is integrally provided with an extending portion, a fixing portion and a pin, the fixing portion is fixed to the female body, and the extending portion is provided with a contact portion located in the socket groove, and the pin protrudes from the outside of the female seat; a male body, which is an insulating material and is assembled in a socket of the female body; and a plurality of male terminals are arranged at intervals on at least one side of the male body, and the male terminal is integrated with a metal piece An extension portion, a fixing portion and a pin are fixed. The fixing portion is fixed to the male body. The extension portion is provided with a contact portion elastically abutting with the contact portion of the female terminal, and the pin protrudes from the outside of the male seat; The contact portion of the male and female terminals is an elastic contact between the plate surface and the cut surface, that is, one of the contact portions is a plate surface, and the other contact portion is a cut surface, and the male and female terminals are One end of the extension of one of the terminals is connected to one end of the fixing portion, and the extension portion can be And the resilient end section is provided with the projecting portion of the contact in the vertical direction. An electrical connector includes: a female body, which is an insulating material and has a socket groove formed therein; a plurality of female terminals are arranged at intervals on at least one side of the female body, and the female terminal is The metal piece is integrally provided with an extending portion, a fixing portion, and a pin, the fixing portion is fixed to the female seat body, and the extending portion is provided with a contact portion located in the socket groove, the pin extending out of the body of the female seat; a male body, which is an insulating material and is a socket groove assembled to the female body; and a plurality of male terminals spaced apart from each other on at least one side of the male body, the male terminal The metal piece is integrally provided with an extending portion, a fixing portion and a pin, and the fixing portion is fixed to the male body, and the extending portion is provided with a contact portion elastically abutting with the contact portion of the female terminal, the pin extending The external body of the male seat is characterized in that at least one of the terminals of the male and female terminals is formed by bending a plate surface and the fixing portion thereof is laterally fixed. The electrical connector of claim 2, wherein the female body is provided with a plurality of spaced apart female terminal slots on at least one side, the female terminal slots are provided with fixing slots, and the plurality of female terminals are assembled a plurality of female terminal slots and fixing portions thereof are fixed to the fixing slots; at least one side of the male body is provided with a plurality of spaced apart male terminal slots, and the male terminal slots are provided with fixing slots, and the majority of the male terminals are assembled to the majority The male terminal slot is fixed to the fixing slot; the fixing slot of the male and female terminal slots is fixed at least one of the terminals which are laterally matched to the lateral fixing portion; or the male and female terminals are formed by bending the plate surface And the fixing portion is laterally fixed; or wherein at least one of the male and female terminals is formed by bending the plate surface and the fixing portion is horizontally fixed; or wherein the male and female terminals are formed by bending the plate surface and fixing the same The department is fixed horizontally. An electrical connector includes: a female body, which is an insulating material and has a socket groove formed therein; a plurality of female terminals are arranged at intervals on at least one side of the female body, and the female terminal is The metal piece is integrally provided with an extending portion, a fixing portion and a pin, the fixing portion is fixed to the female body, and the extending portion is provided with a contact portion located in the socket groove, the pin extending out of the body of the female seat; a seat body, which is an insulating material and is a socket groove assembled to the base body; and a plurality of male terminals spaced apart from each other on at least one side of the male body, the male terminal being integrally provided with a metal piece An extension portion and a pin fixed to the male body, the extension The extending portion is provided with a contact portion and a contact portion of the female terminal elastically abutting, and the pin protrudes from the outside of the male seat; wherein one of the male and female terminals is formed by bending a plate surface, and the extending portion is not The spring is broken and the end cut surface is the contact portion. An electrical connector includes: a female body, which is an insulating material and has a socket groove formed therein; a plurality of female terminals are arranged at intervals on at least one side of the female body, and the female terminal is The metal piece is integrally provided with an extending portion, a fixing portion and a pin, the fixing portion is fixed to the female body, and the extending portion is provided with a contact portion located in the socket groove, the pin extending out of the body of the female seat; The seat body is made of an insulating material and is assembled in a socket of the female body; a plurality of male terminals are arranged at intervals on at least one side of the male body, and the male terminal is integrally provided with an extension by a metal piece. a fixing portion and a pin, the fixing portion is fixed to the male body, the extending portion is provided with a contact portion elastically abutting with the contact portion of the female terminal, the pin protruding out of the body of the male seat; and a locking The structure is such that the male body can be locked to each other when the male body is joined to the female body, so that the contact portion of the male terminal and the female terminal are elastically abutted; and the locking structure is two of the male body The first card portion is integrally provided on the side, and is integrally formed on both sides of the socket groove of the female body In the second card portion, the first and second card portions are laterally convex and concavely engaged with each other, the contact portion of the male terminal is located inside the first card portion, and the contact portion of the female terminal is located at the second card portion Inside. An electrical connector includes: a female body which is an insulating material and has a socket groove formed therein; a plurality of female terminals are arranged at intervals on at least one side of the female body, the female terminal The metal piece is integrally provided with an extending portion, a fixing portion and a pin, the fixing portion is fixed to the female body, and the extending portion is provided with a contact portion located in the socket groove, and the pin protrudes from the outside of the female seat; a male body, which is an insulating material and is assembled in a socket groove of the female body; a plurality of male terminals are arranged at intervals on at least one side of the male body, and the male terminal is integrally formed by a metal piece The fixing portion is fixed to the male body, and the extending portion is provided with a contact portion elastically abutting with the contact portion of the female terminal, the pin extending out of the body of the male seat; The locking structure is configured such that the male body can be locked with each other when the male body is joined to the female body, so that the contact portion of the male terminal and the female terminal are elastically abutted; and the locking structure is attached to the female seat A second card portion is integrally formed on both sides of the sleeve groove, and the second card portion is a plurality of recesses that can be laterally nested. The contact portion of the female terminal is located inside the second card portion. The electrical connector of claim 5 or 6 may be a combination of one or more of the following a to c: a. wherein the second card portion is a plurality of recesses that can be laterally nested The female body is provided with a plurality of spaced apart female terminal slots on at least one side thereof, and the female terminal slots are provided with lateral fixing slots, and the plurality of female terminals are assembled to the plurality of female terminal slots and the fixing portions thereof are laterally Fixing with the fixing slot, the second card portion is formed in the female terminal slot and above the fixing slot; b. wherein the second card portion is a recess; c. wherein the female terminal is on one side of the female terminal Each has a top-down groove. An electrical connector includes: a female body which is an insulating material and has a socket groove formed therein; a plurality of female terminals are arranged at intervals on at least one side of the female body, the female terminal The metal piece is integrally provided with an extending portion, a fixing portion and a pin, the fixing portion is fixed to the female body, and the extending portion is provided with a contact portion located in the socket groove, and the pin protrudes from the outside of the female seat; a male body, which is an insulating material and is assembled in a socket groove of the female body; a plurality of male terminals are arranged at intervals on at least one side of the male body, and the male terminal is integrally formed by a metal piece The fixing portion is fixed to the male body, and the extending portion is provided with a contact portion elastically abutting with the contact portion of the female terminal, the pin extending out of the body of the male seat; The locking structure is configured to allow the male body to be locked to each other when the male body is joined to the female body, so that the contact portion of the male terminal and the female terminal are elastically abutted; and the locking structure is attached to the male body The first card portion is integrally formed with the first card portion, and the first card portion is at least one laterally protruding protrusion. The contact portion of the male terminal is located inside the first card portion. The electrical connector of claim 8, wherein the fixing portion of each of the male terminals is embedded in the male body and integrally molded. The electrical connector of claim 9, wherein the at least one laterally protruding bump is a plurality of and laterally corresponding to a gap of an adjacent male terminal; or wherein the at least one laterally convex bump is laterally Corresponding to the gap between the adjacent male terminals, and the male body allows the plurality of laterally protruding bumps to be opened in the up and down direction; or the at least one laterally protruding bump is a plurality of and laterally corresponding to the plurality of male terminals; or Wherein the at least one laterally protruding bump is a plurality of and laterally corresponding to the plurality of male terminals, and the at least one laterally protruding bump is a plurality of and the up-and-down direction corresponds to the male body; or wherein the at least one lateral protrusion The bumps are mostly and laterally correspond to a plurality of male terminals, and the majority of the male terminals are opened up and down, and the plurality of laterally protruding bumps correspond to the upper and lower sides. The base body forms a plurality of through holes, and the extension portion of the male terminal is provided with a turning portion and is located in a gap of the adjacent through hole; or the extension portion of the male terminal is provided with a horizontal turning portion and the pin and the contact portion are laterally displaced Do not overlap; or wherein the at least one laterally protruding bump is an integral strip and extends horizontally between a row of male terminals. The electrical connector of claim 1 or 4 or 5 or 6 or 8 may be one of the following a and b or a combination of the two: a. At least one of the terminals of the female terminal is formed by bending a plate surface and the fixing portion thereof is laterally fixed; b. wherein at least one side of the female body is provided with a plurality of spaced apart female terminal slots, and the female terminal slots are provided with fixing slots. The plurality of female terminals are assembled to the plurality of female terminal slots, and the fixing portion is fixed to the fixing slot, and the male body is provided with a plurality of male terminal slots arranged at least on one side, and the male terminal slot is provided with a fixing slot. A plurality of male terminals are assembled to the plurality of male terminal slots and the fixing portions thereof are fixed to the fixing grooves. The electrical connector of claim 1 or 2 or 3 or 4 or 5 or 6 or 8 may be one or more of a to m The combination: a. wherein the extension of the female terminal is rotatable, the extension of the male terminal is not bounceable; b. wherein the extension of the female terminal is elastic, and the extension of the male terminal is not bounceable The extension of the female terminal is provided with a horizontal force arm or a vertical force arm or an oblique force arm; c. wherein the end of the pin of the female terminal is horizontal, and the end of the pin of the male terminal is horizontal ; d. wherein the extension of the female terminal is elastic, the extension of the male terminal is not elastic, and the fixing portion of the male terminal is formed at the extension, and the fixing portion is fixed to the male body in a vertical direction or The fixing portion is laterally fixed to the male body; e. wherein the female terminal is formed by bending the plate surface and the extending portion is elastically movable in the direction of the board surface, and the contact portion is disposed on the cutting end surface of the extending portion, the male terminal The extension portion is not bounceable; f one of the male and female seats is provided with a limit surface in the up and down direction, and the male and female terminals are The extension Abutting against the limiting surface against the limiting surface or the spring; wherein the contact portions of the male and female terminals are the only male and female terminals contacting the conducting portion; h. wherein the female body is sleeved The groove is a single concave portion, and the male seat body is a single convex portion; i is provided with a protruding intermediate portion in the middle of the female seat body, so that the sleeve groove is two concave portions on two sides of the intermediate portion, and the male seat body a concave portion is formed in the middle to form a convex portion on the two sides, the concave portion of the male body is sleeved corresponding to the middle portion of the female body, and the convex portion on the two sides of the male body is sleeved corresponding to the two concave portions of the female body; j. The pins of the majority of the male terminals are electrically connected to a plurality of contacts of a circuit board, and the pins of the plurality of female terminals are electrically connected to a plurality of contacts of the other circuit board, so that the two circuit boards are electrically connected; k. The male terminals are arranged on the two sides of the male body in two rows. The legs of the two rows of male terminals respectively extend out of the two sides of the male body, and the plurality of female terminals are arranged in two rows. On the two sides of the socket of the female body, the legs of the two rows of female terminals respectively extend out of the two sides of the female body; The terminal is formed by bending a plate surface; m. the male terminal is formed by bending a plate surface. The electrical connector of claim 2, wherein the extension of the female terminal can be up or down or laterally elastic, as in the electrical connector of claim 2 or 3 or 4 or 5 or 6 or 8. Or the extension of the female terminal can be laterally bounced, the extension of the male terminal is not elastic, the contact portions of the male and female terminals are laterally elastically contacted, and a convex portion is disposed in the middle of the female body In the middle portion, the sleeve groove is a two recessed portion on two sides of the intermediate portion, and a recessed portion is formed in the middle of the male seat body to form a convex portion on both sides, and the contact portion of the male terminal is laterally connected to the a concave portion, the concave portion of the male body is sleeved corresponding to the middle portion of the female body, and the convex portion on the two sides of the male body is sleeved corresponding to the two concave portions of the female body, and the extending portion of the female terminal is provided with a horizontal force arm and One side of the elastic power arm, one end of the horizontal force arm is connected to the other end of the fixing portion and extends to the middle portion of the female body. The lateral elastic power arm is connected to the horizontal section and extends vertically upwards or upwards and is inclined from the inside to the outside. The lateral elastic power arm is provided with the contact portion protruding laterally to the socket groove, and the contact portion may be formed by bending the plate surface or forming the cut end surface of the extension portion. An electrical connector includes: a body, which is made of an insulating material and is provided with a set of slots; a plurality of terminals are arranged at intervals in the base body, and the terminal is integrally bent with a metal sheet to provide an extension a fixing portion and a pin, the fixing portion is fixed to the base body, the extending portion is connected to one end of the fixing portion, and a protruding contact portion is disposed at the socket groove, the pin connecting the other end of the fixing portion and Extending out of the body; wherein the fixing portion of the at least one row of the plurality of terminals is embedded in the seat body and integrally injection molded, and the extension portion of the row of terminals is provided with a first portion and a second portion, the first portion One of the first portion is connected to one end of the fixing portion and the other end is embedded in the seat body. The second portion extends to the socket groove and corresponds to the first portion. The second portion can be The contact portion is bounced, and the spring portion of the seat portion corresponding to the second portion above the first portion is a clearance area. The electrical connector of claim 14, which is a female connector of a board-to-board connector, wherein the socket is located in the middle of the seat and is recessed downward, the inlet of the socket is upward The plurality of terminals are arranged at intervals on the two sides of the base body, and the socket groove can be sleeved into a male connector for electrical connection. The electrical connector of claim 14, which is an electrical connector for connecting a cable or a flexible circuit board, wherein the inlet of the socket is forward, and the second portion of the plurality of terminals can be up and down The majority of the terminals are staggered, and the two rows of terminals are arranged one behind the other or one row of the terminals of the rear legs. The electrical connector of claim 14, wherein the second portion extends from the first portion away from the one end of the fixed portion to the sleeve groove, and the maximum width of the first portion is not less than the second portion. The maximum width of the first portion can completely cover the spring portion of the second portion in the up and down direction, and the two sides of the first portion are covered by a seat material, and the clearance portion is formed with a bottom surface and is flush with the first portion. Or wherein the second portion recurs from the first portion away from the one end of the fixing portion to the socket groove, the seat body is provided with a through hole corresponding to the spring portion of the second portion; or The second portion extends from the first portion away from the one end of the fixing portion to the sleeve groove, and the maximum width of the first portion is greater than the maximum width of the second portion, and the first portion can completely cover the first portion in the up and down direction. The second part of the first part is covered by the seat body material, the clearance area is formed with a bottom surface and is flush with the first part, and the first lower plate surface is flush with the bottom surface of the seat body; The second portion extends from the first portion away from the one end of the fixing portion to the socket groove The maximum width of the first portion is greater than the maximum width of the second portion, and the first portion can completely cover the spring portion of the second portion in the up and down direction, and the two sides of the first portion are covered by the seat material, and the clearance portion is Forming a bottom surface and being flush with the first portion, and the first lower plate surface is flush with the bottom surface of the base body, the base body is provided with a plurality of partition plates separating the clearance areas of each terminal to form a plurality of concave portions; or The second portion is reciprocally extended from the first portion away from the fixed end to the sleeve groove, and the base body is provided with a plurality of through holes, and each of the through holes corresponds to the second portion of the terminal. Or the second portion is punctured from the middle of the first surface of the first portion and protrudes upwardly to the socket groove, and the lower portion and the circumferential side of the first portion are covered and fixed by the body material, and the clearance is The region is formed with a bottom surface and is flush with the first portion, and a through hole is formed below the second portion. The electrical connector of claim 15 may be a combination of one or more of a to i: a. wherein the socket portion of the seat body is integrally provided with a second card portion, The second card can a male connector of the buckle butt joint, wherein the second card portion is a plurality of recesses that can be laterally nested, and the upper portion of the recess portion is provided with an upper card surface, and the plurality of recess portions are laterally corresponding to the gap between the adjacent terminals, and the The upper surface of the concave portion is provided with an upper card surface; or the plurality of concave portions are laterally corresponding to the gap between the adjacent terminals, and the upper portion of the concave portion is provided with an upper card surface and the bottom portion of the lower portion forms a plurality of through holes. Or wherein the plurality of recesses correspond laterally to the plurality of terminals; or wherein the plurality of recesses correspond to the plurality of terminals laterally and allow the plurality of terminals to be opened up and down, and the plurality of recesses are upper and lower with corresponding upper and lower card faces and lower portions The bottom surface of the base body is formed with a plurality of through holes, and the fixing portion of the terminal is provided with a turning portion and is located in a gap of the adjacent through hole, and the turning portion of the fixing portion of the terminal does not overlap with the extending portion in the lateral direction; b. wherein the terminal The contact portion protrudes upward, the second portion can be bounced up and down; c. wherein the contact portion of the terminal protrudes laterally, and the second portion can be laterally bounced; d. wherein the seat body Socket slot a single recess; e. wherein the middle portion of the base body is provided with a protruding intermediate portion, so that the sleeve groove is two recesses on two sides of the middle portion; f. wherein the contact portion of the terminal is unique and the male connector The terminals are in contact with each other; wherein the two ends of the female terminal on one side of the female body are respectively provided with a top-down groove; h. the pins of the plurality of male terminals are electrically connected to a circuit board a plurality of contacts, wherein the pins of the plurality of female terminals are electrically connected to a plurality of contacts of the other circuit board, so that the two circuit boards are electrically connected; i. the majority of the male terminals are arranged in two rows at intervals On the two sides of the base, the pins of the two rows of male terminals respectively extend out of the two sides of the male body, and the plurality of female terminals are arranged in two rows at intervals on both sides of the socket of the female body. The pins of the two rows of female terminals respectively extend out of the two sides of the female body. The electrical connector of claim 14 or 15 or 16 or 17 may be a combination of one or more of a to c: a. wherein the contact portion of the terminal Located in the first The end portion of the two portions or the plate portion of the second portion is bent and formed; b wherein the fixing portion of the terminal extends laterally; c. wherein the fixing portion of the terminal and the first portion of the extending portion are laterally and horizontally extended . The electrical connector of claim 16 may be a combination of one or more of a to g: a. wherein the second portion of the extension of the terminal is extended in a forward direction, that is, Extending in the insertion direction; b. wherein the second portion of the extension of the terminal is extending in a forward direction, that is, extending along the insertion direction, and the contact portion is disposed at an end section of the second portion; c. The front end of the first portion of the extension of the row of terminals is fixed to the base body and is flush with the bottom surface of the socket, the first portion extends to the foremost end of the seat body, and the second portion extends rearwardly from the front end of the first portion; The second portion of the row of terminals may be corresponding to the bottom surface of the sleeve groove and provided with a groove having a bottom surface for bounce; e. wherein the second portion of the row of terminals may correspond to the sleeve groove The bottom surface is provided with a groove having a bottom surface for bounce; f. wherein the second portion of the row of terminals may be provided with a through hole corresponding to the bottom surface of the sleeve groove for bounce; g. The second portion of the row of terminals may be provided with a row of through holes for bounce corresponding to the bottom surface of the sleeve groove. The electrical connector of claim 14, which is an electrical connector for connecting a cable or a flexible circuit board, wherein the inlet of the socket is forward, and the second portion of the plurality of terminals can be up and down The plurality of terminals are staggered and arranged in two rows of front and rear legs; wherein the bottom surface of the front groove is provided with a groove having a bottom surface and a bottom surface of the rear portion is provided with a through hole, and one of the rear legs is arranged The first portion of the extending portion is flush with the bottom surface of the groove, and the front end of the through hole is still joined by the fixing portion of the one row of the rear leg; or the extension portion of the rear row of the rear leg The first front end is fixed to the seat body and is flush with the bottom surface of the socket, and the first portion extends to the front end of the seat body, and the second portion extends rearward from the front end of the first portion.