CN215451827U

CN215451827U - European female connector

Info

Publication number: CN215451827U
Application number: CN202122223490.XU
Authority: CN
Inventors: 赵泽壮; 施沛锋; 刘慧丽; 赵建国; 周伟
Original assignee: Nanjing Fudi Electrical Co ltd
Current assignee: Nanjing Fudi Electrical Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-01-07
Anticipated expiration: 2031-09-14

Abstract

The utility model relates to an european style female connector, relate to the field of connector, including casing and terminal, multirow inserting groove has been seted up on the casing, the terminal is provided with a plurality of and inserts in the inserting groove that corresponds, the terminal includes the contact pin, first clamping piece, second clamping piece and stationary blade, stationary blade fixed connection is on the contact pin, the equal fixed connection of first clamping piece and second clamping piece is in contact pin one end, and first clamping piece and second clamping piece all are located the inserting groove that corresponds, the caulking groove has been seted up on the cell wall of inserting groove, the stationary blade is pegged graft in the caulking groove, fixedly connected with spacing piece on the contact pin, the spacing groove has been seted up on the inserting groove, the equal joint of spacing piece is in the spacing groove that corresponds, this application has the effect that improves terminal installation accuracy on the casing.

Description

European female connector

Technical Field

The application relates to the field of connectors, in particular to a European female connector.

Background

Connectors, also called connectors, comprise a plug and a socket for connecting two active devices and transmitting current or signals, and the european connector is one of the connectors, and is provided with a plurality of rows of terminals for signal transmission and information transmission, and the connector is usually a male connector used in cooperation with a female connector.

As shown in fig. 1, the connector is usually connected to a circuit board 1, a soldering hole 11 for soldering with a terminal is formed on the circuit board 1, and a connection hole 12 for fixing with the connector is further formed on the circuit board 1.

The inventor considers that in the related art, the terminals on the connector are usually fixed by plugging, and in the case of manual operation, it is difficult for an operator to control the length and the angle of each terminal inserted into the mounting seat to be the same, so that the terminal is easily uneven when being plugged, which affects the connection between the connector and the circuit board and the connection between the male connector and the female connector, and thus affects the effects of signal transmission and information transmission of the connector.

SUMMERY OF THE UTILITY MODEL

In order to improve the mounting accuracy of the terminal on the housing, the application provides a European-style female connector.

The application provides a european style female connector adopts following technical scheme:

the utility model provides a european style female connector, includes casing and terminal, multirow inserting groove has been seted up on the casing, the terminal is provided with a plurality of and inserts in the inserting groove that corresponds, the terminal includes contact pin, first clamping piece, second clamping piece and stationary blade, stationary blade fixed connection is on the contact pin, the equal fixed connection of first clamping piece and second clamping piece is in contact pin one end, and just first clamping piece and second clamping piece all are located the inserting groove that corresponds, the caulking groove has been seted up on the cell wall of inserting groove, the stationary blade is pegged graft in the caulking groove, fixedly connected with spacing piece on the contact pin, the spacing groove has been seted up on the inserting groove, the equal joint of spacing piece is in the spacing groove that corresponds.

Through adopting above-mentioned technical scheme, the operator inserts the one end that each terminal was fixed with first clamping piece and second clamping piece in the inserting groove, and make the stationary blade joint in the caulking groove, spacing piece butt is at spacing inslot this moment, make each terminal insert the length of inserting groove the same, when this connector is connected with public connector, the terminal of public connector is pegged graft between the first clamping piece and the second clamping piece of this connector terminal, realize the intercommunication between two terminals, in order to realize signal transmission, the terminal passes through the cooperation of stationary blade and caulking groove, and spacing piece fixes a position each terminal, realize fixing between terminal and the casing on the one hand, make the terminal difficult for droing off, on the other hand makes the terminal arrange neatly, make things convenient for the welded fastening between its and the circuit board, thereby the installation accuracy of terminal on the casing has been improved.

Optionally, the contact pin is provided with a tin coating at the one end of the limiting sheet far away from the fixing sheet.

Through adopting above-mentioned technical scheme, tin-plating on the terminal to make things convenient for the operator to weld the terminal on the circuit board.

Optionally, first clamping piece and second clamping piece set up about the contact pin symmetry, and first clamping piece and second clamping piece are in the equal fixedly connected with contact terminal of the one end of keeping away from the contact pin, two all be provided with the gold-plated layer on the contact terminal, the terminal is provided with the nickel-plated layer between contact terminal and spacing piece.

Through adopting above-mentioned technical scheme, when the terminal of public connector inserts between first clamping piece and the second clamping piece, two contact terminal support tightly with the terminal of public connector under the spring action of clamping piece, improve the intercommunication effect of terminal between two connectors, through set up the gilt layer on contact terminal, improve the electric conductive property between contact terminal and the terminal of public connector, thereby improve the signal transmission effect between two connectors, set up the nickel-plated layer on the terminal, because metal nickel has higher chemical stability, can effectively improve anticorrosive effect, thereby be favorable to improving the life of taking the terminal.

Optionally, three rows of the insertion grooves are formed in the shell, the three rows of the insertion grooves correspond to each other, the center distance between two adjacent insertion grooves in the same row is 2.54mm, and the center distance between two adjacent insertion grooves on two sides is 2.54 mm.

Through adopting above-mentioned technical scheme, pass the inserting groove and part each terminal, guarantee to have sufficient creepage distance between the terminal.

Optionally, each row the terminal all divide into first region, second region and third region in proper order, terminal in the first region is provided with a plurality of, and the central distance between two adjacent terminals in the first region is 2.54mm, terminal in the second region is provided with two pairs, and two of the same pair the central distance is 2.54mm between the terminal, two pairs the interval between the terminal is 5.08mm, terminal in the third region is provided with one, and the central distance between this terminal and the adjacent second region terminal is 7.62 mm.

Through adopting above-mentioned technical scheme, according to the signal transmission needs of difference, increase the distance between the local terminal, guarantee to have sufficient creepage distance between the local terminal to the mutual interference's the condition appears when reducing the terminal transmission signal.

Optionally, the housing is fixedly connected with an installation block, and the installation block is provided with an installation hole.

Through adopting above-mentioned technical scheme, the operator passes through the mounting hole through screw or rivet, realizes fixing between casing and the circuit board, thereby reduces the condition that the position skew appears between casing and the circuit board under the exogenic action and leads to terminal skew or damage.

Optionally, the installation piece is provided with fixed subassembly in the mounting hole, fixed subassembly is including inserting post and separation blade, separation blade fixed connection is on inserting the post, insert the one end fixedly connected with latch segment that the post deviates from the separation blade, the draw-in groove has been seted up on the latch segment, the installation piece is at mounting hole position fixedly connected with picture peg, the picture peg is pegged graft in the draw-in groove that corresponds.

Through adopting above-mentioned technical scheme, the operator will insert the post and insert from the connecting hole of circuit board to make the separation blade butt deviate from one side of casing at the circuit board, then the operator inserts the post through rotating, make the picture peg grafting in the draw-in groove that corresponds, thereby the restriction is inserted the post and is removed along self axis direction, thereby realizes fixing between circuit board and the installation piece.

Optionally, the side of the inserting plate departing from the blocking piece is provided with a first anti-slip pattern, and a second anti-slip pattern is arranged on the groove wall of the clamping groove corresponding to the first anti-slip pattern.

Through adopting above-mentioned technical scheme, reduce and insert the post and rotate under the exogenic action for the picture peg breaks away from the draw-in groove, thereby leads to the not hard up condition of casing and connecting plate.

Optionally, one side of the shell provided with the limiting groove is fixedly connected with a plurality of ribs, and each rib protrudes out of the shell.

Through adopting above-mentioned technical scheme, the bead is located between casing and the circuit board for leave the gap between casing and the circuit board, thereby the radiating effect when reinforcing female connector carries out the wave-soldering.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the terminals are inserted into the corresponding insertion grooves, the fixing pieces of the terminals are tightly matched with the corresponding caulking grooves, the limiting pieces of the terminals are clamped in the corresponding limiting grooves, so that the terminals are fixed in the corresponding insertion grooves, and the end faces of the contact pins of the terminals, which are far away from one ends of the insertion grooves, are flush, so that the mounting accuracy of the terminals on the shell is improved;

2. the distance between the local terminals is increased to ensure that the local terminals have enough creepage distance, so that the condition of mutual interference when the terminals transmit signals is reduced;

3. realize fixing between circuit board and the casing through fixed subassembly, reduce the exogenic action and lead to appearing the unusual condition of contact between terminal and the circuit board to influence the effect of terminal signal transmission.

Drawings

Fig. 1 is a schematic structural diagram for embodying a circuit board according to an embodiment of the present application.

Fig. 2 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 3 is a schematic structural diagram for embodying the first region, the second region, and the third region in the embodiment of the present application.

Fig. 4 is an exploded view of an embodiment of the present application for embodying a fastening assembly.

Fig. 5 is an exploded view of an embodiment of the present application for embodying a terminal.

Fig. 6 is a cross-sectional view for embodying a tin-plated layer and a gold-plated layer in an embodiment of the present application.

Fig. 7 is a schematic structural diagram for embodying a limiting groove according to an embodiment of the present application.

Fig. 8 is a schematic structural diagram for embodying the insert column according to the embodiment of the present application.

Fig. 9 is a partial schematic view for embodying a first anti-skid thread in the embodiment of the present application.

Description of reference numerals: 1. a circuit board; 11. welding the hole; 12. connecting holes; 2. a housing; 21. inserting grooves; 22. caulking grooves; 23. a limiting groove; 24. mounting blocks; 25. mounting holes; 26. a rib; 3. a terminal; 31. inserting a pin; 32. a first clip piece; 33. a second clip; 34. a fixing sheet; 35. a limiting sheet; 36. a contact terminal; 37. plating a tin layer; 38. plating a gold layer; 39. plating a nickel layer; 4. a first region; 41. a second region; 42. a third region; 5. a fixing assembly; 51. inserting a column; 52. a baffle plate; 53. a locking block; 54. a yielding groove; 55. inserting plates; 56. a card slot; 57. a first anti-skid pattern; 58. a second anti-skid pattern; 59. and (5) sinking the tank.

Detailed Description

The present application is described in further detail below with reference to figures 2-9.

The embodiment of the application discloses european style female connector. As shown in fig. 2, 3 and 4, the european female connector includes a rectangular housing 2, rectangular mounting blocks 24 are fixedly connected to both ends of the housing 2 along the length direction, the two mounting blocks 24 are located on one side of the housing 2 along the width direction, and a cylindrical mounting hole 25 is formed in each of the two mounting blocks 24 along the width direction of the housing 2. Three rows of inserting grooves 21 are formed in one side of the shell 2 in the width direction, and each inserting groove 21 penetrates through the shell 2 in the width direction of the shell 2. The rows of inserting grooves 21 are aligned with each other, the center distance between two adjacent inserting grooves 21 in the same row is 2.54mm, and the center distance between two adjacent rows of inserting grooves 21 is 2.54 mm.

The terminal 3 is inserted in part of the insertion groove 21, the housing 2 is integrally formed with a plurality of ribs 26 at one side of the insertion terminal 3, and the ribs 26 and the mounting block 24 are located at the same side of the housing 2 along the width direction of the housing, so that a gap can be reserved between the rib 26 and the circuit board 1, and heat dissipation is facilitated during welding. Each row of terminals 3 are sequentially divided into a first area 4, a second area 41 and a

third area

42, 23 terminals 3 in the first area 4 are arranged, the central distance between two adjacent terminals 3 is 2.54mm, 4 terminals 3 in the second area 41 are arranged, every two of the 4 terminals form a group, the central distance between two terminals 3 in the same group is 2.54mm, the central distance between two adjacent terminals 3 in the two groups is 5.08mm, one terminal 3 in the third area 42 is arranged, and the central distance between the terminal 3 and the adjacent second area terminal 3 is 7.62 mm.

As shown in fig. 5, 6 and 7, the terminal 3 includes the contact pin 31, the contact pin 31 is close to the intermediate position integrated into one piece and has two limiting pieces 35, and two limiting pieces 35 are far away from the equal slope setting of contact pin 31 one end, the limiting groove 23 has been seted up corresponding to limiting piece 35 position to the casing 2, two limiting pieces 35 all inlay and establish in the limiting groove 23 to with the tank bottom wall butt of limiting groove 23. The pin 31 is integrally formed with a rectangular fixing piece 34 between the end portion and the limiting piece 35, the groove wall of the inserting groove 21 is provided with an embedding groove 22 corresponding to the position of the fixing piece 34, the fixing piece 34 is embedded in the embedding groove 22, and the fixing piece 34 is tightly matched with the embedding groove 22. The pin 31 is provided with a tin coating 37 on the surface of the limiting sheet 35 far away from one end of the fixing sheet 34. The pin 31 has a first clip piece 32 integrally formed at an end close to the fixing piece 34, a second clip piece 33 integrally formed on the first clip piece 32, and the first clip piece 32 and the second clip piece 33 are symmetrically arranged with respect to the pin 31, and both the first clip piece 32 and the second clip piece 33 have good elastic performance. The first clamping piece 32 and the second clamping piece 33 are provided with contact terminals 36 at one ends far away from the contact pin 31, the two contact terminals 36 are mutually abutted, gold plating layers 38 are arranged on the outer surfaces of the two contact terminals 36, and a nickel plating layer 39 is arranged between the contact terminals 36 and the limiting piece 35 of the whole terminal 3, so that the corrosion resistance and fatigue resistance of the terminal 3 can be effectively improved.

An operator installs the terminal 3 at a designated position on the housing 2, one end of the terminal 3 provided with the first clamping piece 32 and the second clamping piece 33 is inserted into the corresponding insertion groove 21, the fixing piece 34 of the terminal 3 is inserted into the corresponding embedding groove 22, and the two limiting pieces 35 are clamped in the corresponding limiting grooves 23, so that the terminal 3 is fixed in the insertion groove 21. Then the operator installs the housing 2 with the used terminals 3 on the corresponding circuit board 1, so that the pins 31 of the terminals 3 penetrate through the welding holes 11 on the circuit board 1, the protruding ribs 26 on the housing 2 abut against the circuit board 1, the mounting holes 25 on the housing 2 align with the connecting holes 12 on the circuit board 1, the operator fixes the housing 2 and the circuit board 1 through screws or rivets, and the signal transmission effect of the terminals 3 is reduced due to the deviation of the housing 2 on the circuit board 1.

As shown in fig. 4, 8 and 9, the two mounting blocks 24 are each provided with a fixing assembly 5, each fixing assembly 5 includes a cylindrical insertion column 51 inserted into the mounting hole 25, one end of the insertion column 51 in the axial direction thereof is coaxially and fixedly connected with a circular blocking piece 52, and a hexagonal sinking groove 59 is formed in one side of the circular blocking piece 52 away from the insertion column 51. Insert the cylindrical latch segment 53 of one end fixedly connected with that the post 51 kept away from separation blade 52, two groove 54 of stepping down have been seted up along the axis direction of inserting post 51 to latch segment 53, and two groove 54 symmetries of stepping down set up the both sides at latch segment 53, and latch segment 53 has all seted up draw-in groove 56 in the groove 54 position of stepping down that corresponds, and draw-in groove 56 sets up along the circumferencial direction of latch segment 53, and two draw-in grooves 56 all communicate with the groove 54 of stepping down that corresponds. The mounting block 24 is fixedly connected with circular arc-shaped inserting plates 55 corresponding to the clamping grooves 56 one by one at positions corresponding to the mounting holes 25, the inserting plates 55 are inserted into the corresponding clamping grooves 56, and oblique angles are formed in one side of each of the two inserting plates 55 along the circular arc direction of the inserting plate 55, so that an operator can insert the inserting plates 55 into the clamping grooves 56 conveniently. One side of the inserting plate 55, which is far away from the blocking piece 52, is provided with a first anti-slip pattern 57, and a second anti-slip pattern 58 is arranged on the groove wall of the clamping groove 56, which corresponds to the first anti-slip pattern 57, and is used for reducing the situation that the inserting column 51 rotates under the action of external force, so that the inserting plate 55 is separated from the clamping groove 56.

The operator will insert post 51 from connecting hole 12 and insert, and run through in the mounting hole 25 that corresponds the mount pad, make picture peg 55 be located the groove 54 of stepping down of latch segment 53, then the operator is through inserting the hexagonal spanner in heavy groove 59 and rotate the hexagonal spanner, insert post 51 rotates under the hexagonal spanner drives, make two picture pegs 55 all insert in the draw-in groove 56 that corresponds, thereby the restriction is inserted post 51 and is removed along inserting post 51 axial direction in mounting hole 25, realize the rigidity between casing 2 and the circuit board 1 under the limiting displacement of separation blade 52 and picture peg 55.

The implementation principle of the embodiment of the application is as follows: an operator installs the terminal 3 at a specified position on the housing 2, one end of each terminal 3 provided with the first clamping piece 32 and the second clamping piece 33 is inserted into the corresponding insertion groove 21, the fixing piece 34 on the terminal 3 is inserted into the corresponding insertion groove 22, the fixing piece 34 is tightly matched with the corresponding insertion groove 22, the limiting piece 35 of the terminal 3 is abutted to the bottom wall of the limiting groove 23, the length of the terminal 3 inserted into the insertion groove 21 is limited, the lengths of the insertion pins 31 positioned outside the insertion groove 21 are the same, the terminal 3 is stably installed on the housing 2, the arrangement is tidy, the operation is simple, and the installation accuracy of the terminal 3 on the housing 2 is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A european female connector, comprising: comprises a shell (2) and a terminal (3), wherein a plurality of rows of insertion grooves (21) are formed in the shell (2), the terminal (3) is provided with a plurality of insertion grooves (21) which are inserted into the corresponding insertion grooves (21), the terminal (3) comprises a contact pin (31), a first clamping piece (32), a second clamping piece (33) and a fixing piece (34), the fixing piece (34) is fixedly connected onto the contact pin (31), the first clamping piece (32) and the second clamping piece (33) are fixedly connected to one end of the contact pin (31), the first clamping piece (32) and the second clamping piece (33) are both positioned in the corresponding insertion grooves (21), the groove wall of the insertion groove (21) is provided with an insertion groove (22), the fixing piece (34) is inserted into the insertion groove (22), the contact pin (31) is fixedly connected with a limiting piece (35), and the insertion groove (21) is provided with a limiting groove (23), the limiting pieces (35) are all clamped in the corresponding limiting grooves (23).

2. A male european connector according to claim 1, wherein: and a tin-plated layer (37) is arranged at one end, far away from the fixing piece (34), of the limiting piece (35) of the contact pin (31).

3. A male european connector according to claim 1, wherein: first clamping piece (32) and second clamping piece (33) set up about contact pin (31) symmetry, and first clamping piece (32) and second clamping piece (33) are keeping away from equal fixedly connected with contact terminal (36) of one end of contact pin (31), two all be provided with gold-plated layer (38) on contact terminal (36), terminal (3) are provided with nickel-plated layer (39) between contact terminal (36) and spacing piece (35).

4. A male european connector according to claim 1, wherein: three rows of the inserting grooves (21) are formed in the shell (2), the three rows of the inserting grooves (21) correspond to each other, the center distance between every two adjacent inserting grooves (21) in the same row is 2.54mm, and the center distance between every two adjacent rows of the inserting grooves (21) is 2.54 mm.

5. The european female connector according to claim 4, wherein: each row terminal (3) all divide into first region (4), second region (41) and third region (42) in proper order, terminal (3) in first region (4) are provided with a plurality of, and the central distance is 2.54mm between two adjacent terminals (3) in first region (4), terminal (3) in the second region (41) are provided with two pairs, and the central distance is 2.54mm between same pair of two between terminal (3), and two pairs the interval between terminal (3) is 5.08mm, terminal (3) in the third region (42) are provided with one, and the central distance between this terminal (3) and the adjacent second region terminal (3) is 7.62 mm.

6. A male european connector according to claim 1, wherein: the shell (2) is fixedly connected with an installation block (24), and an installation hole (25) is formed in the installation block (24).

7. The european female connector according to claim 6, wherein: the utility model discloses a fixing component, including mounting block (24), fixed subassembly (5) is provided with in mounting hole (25), fixed subassembly (5) is including inserting post (51) and separation blade (52), separation blade (52) fixed connection is on inserting post (51), insert one end fixedly connected with latch segment (53) that post (51) deviates from separation blade (52), draw-in groove (56) have been seted up on latch segment (53), mounting block (24) are at mounting hole (25) fixed connection of position picture peg (55), picture peg (55) are pegged graft in corresponding draw-in groove (56).

8. A male european connector according to claim 7, wherein: one side of the inserting plate (55) departing from the separation blade (52) is provided with first anti-slip threads (57), and the groove wall of the clamping groove (56) corresponding to the first anti-slip threads (57) is provided with second anti-slip threads (58).

9. A male european connector according to claim 1, wherein: one side of the shell (2) provided with the limiting groove (23) is fixedly connected with a plurality of ribs (26), and each rib (26) protrudes out of the shell (2).