CN112993670A

CN112993670A - Electronic connector

Info

Publication number: CN112993670A
Application number: CN202110163107.8A
Authority: CN
Inventors: 陈甜甜
Original assignee: Shenzhen Haosu Technology Co ltd
Current assignee: Shenzhen Haosu Technology Co ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-06-18
Anticipated expiration: 2041-02-05
Also published as: CN112993670B

Abstract

The application relates to an electronic connector, which relates to the field of connectors and comprises a male connector and a female connector, wherein the female connector is inserted into the male connector in a matching way, the female connector comprises an insulating shell and a plurality of terminals arranged on the insulating shell side by side, one ends of the terminals are exposed out of the insulating shell to be in contact with the male connector, and the other ends of the terminals protrude out of the insulating shell to be connected with a circuit board; the insulation shell is provided with a connecting sheet, the lower surface of the connecting sheet is flush with the surface, which is attached to the circuit board, of the insulation shell, and the connecting sheet is fixedly connected to the circuit board. This application has the terminal and is difficult to follow cracked effect on the circuit board.

Description

Electronic connector

Technical Field

The present application relates to the field of connectors, and more particularly, to an electronic connector.

Background

The connector is a component which is frequently touched by an electronic engineering technician and has the function of erecting a communication bridge between circuits with blocked or isolated circuits, so that current flows to enable the circuits to realize the preset functions.

The connectors are provided with terminals for being welded on the circuit boards, when two circuit boards are communicated, a male connector and a female connector are generally inserted together, and current on the two circuit boards can flow after the terminals of the male connector and the terminals of the female connector are contacted with each other.

However, the connecting ends of the pins are firstly soldered on the circuit board, and when the male connector and the female connector are plugged in and pulled out, the pins and the circuit board are easily broken, so that poor contact between the connector and the circuit board is caused.

Disclosure of Invention

In order to improve the problem that pins are easy to break, the application provides an electronic connector.

The application provides an electronic connector, adopts following technical scheme:

an electronic connector comprises a male connector and a female connector, wherein the female connector is inserted into the male connector in a matching manner, the female connector comprises an insulating shell and a plurality of terminals arranged on the insulating shell side by side, one ends of the terminals are exposed out of the insulating shell to be in contact with the male connector, and the other ends of the terminals protrude out of the insulating shell to be connected with a circuit board;

the insulation shell is provided with a connecting sheet, the lower surface of the connecting sheet is flush with the surface, which is attached to the circuit board, of the insulation shell, and the connecting sheet is fixedly connected to the circuit board.

Through adopting above-mentioned technical scheme, insulating casing provides better mounted position for many terminals, and the back is pegged graft to public connecting piece and female connecting piece, and terminal and public connecting piece contact just can be with the power intercommunication of two circuit boards, and insulating casing passes through the connection piece to be fixed on the circuit board, when pulling out female connecting piece from public connecting piece, insulating casing can not become flexible on the circuit board, and the terminal just is difficult to fracture on the circuit board, does not influence the intercommunication of two circuit boards.

Optionally, the insulating housing is in a rectangular frame shape with an opening at one side, an insulating insertion block is horizontally arranged on an inner side wall of the insulating housing in the length direction, one end of the terminal is exposed out of the insulating insertion block, and the insulating insertion block is used for being inserted into the male connector.

By adopting the technical scheme, when the insertion block is inserted into the male connecting piece, the exposed terminal can be contacted with the terminal inside the male connecting piece, and after the other end of the terminal is welded on the circuit board, the two circuit boards can be communicated with the female connecting piece through the male connecting piece.

Optionally, the male connector includes insulating long shell and sets up side by side pin on the insulating long shell, insulating long shell is rectangular form, offer the confession on the lateral wall of insulating long shell length direction insulating inserted block male slot, the one end of pin is located in the slot with the terminal contact, the other end protrusion of pin in insulating long shell is in order to be connected with the circuit board.

By adopting the technical scheme, after the insulating plug block is inserted into the slot, the terminal can be contacted with the pin, the other end of the pin is welded on the circuit board, and the two circuit boards can be communicated through the mutually contacted terminal and the pin.

Optionally, the connecting piece is I-shaped, and the connecting piece includes connecting portion, joint portion and the fixed part that connects gradually, the surface area of fixed part is less than the surface area of connecting portion, connecting portion with joint portion is used for the joint to be in on the insulating casing, the fixed part be used for with circuit board fixed connection.

Through adopting above-mentioned technical scheme, connecting portion and joint portion are fixed with the insulating casing joint, and fixed part and circuit board are fixed to make insulating casing fix on the circuit board, during the female connecting piece of plug, insulating casing has connecting portion to fix together as midbody and circuit board, and insulating casing can not become flexible, and the terminal just is difficult to the fracture, thereby is difficult to cause contact failure's problem.

Optionally, heavy grooves are formed in two opposite sides of the width direction of the insulating shell, one side of the insulating shell, away from the heavy grooves, is designed to be an opening, a through groove matched with the fixing part is formed in the bottom of the heavy grooves along the vertical direction, the fixing part vertically passes through the through groove and then is bent to be horizontal, and the lower surface of the fixing part is flush with the lower surface of the insulating shell.

Through adopting above-mentioned technical scheme, the fixed part just can pass from leading to the inslot, and the tank bottom in heavy groove can separate the connecting portion restriction and block, and connecting portion can not move down again, and will pass the fixed part in logical groove and buckle into the horizontality again, can increase the area of contact between fixed part and the circuit board, make both fixed ground more firm, the fixed part is difficult to break away from the circuit board.

Optionally, one side of the through groove, which is far away from the insulating housing, is designed to be open, and the lower end of the clamping portion is clamped to the lower side of the through groove of the insulating housing.

Through adopting above-mentioned technical scheme, joint portion is separated by the downside that leads to the groove and is blocked, and joint portion can not shift up to make the connection piece fixed at leading to the inslot, whole connection piece is also difficult to be not hard up at leading to the inslot, makes being connected of connection piece and circuit board more firm.

Optionally, at least two positioning columns are arranged on the surface, which is attached to the circuit board, of the insulating shell, and positioning holes matched with the positioning columns are formed in the circuit board.

Through adopting above-mentioned technical scheme, after the locating hole on the reference column inserted the circuit board, can accurately with insulating casing pre-installed on the circuit board, it is more convenient when later stage is fixed the fixed part on the circuit board again.

Optionally, a protective cover is arranged on the fixing portion, and the fixing portion is completely wrapped by the protective cover.

Through adopting above-mentioned technical scheme, the fixed part is protrusion in insulating casing, and in the equipment process, the fixed part may exist to be hit and damaged or hit askew, leads to the fixed part can not laminate completely on the surface of circuit board, influences fixedly between fixed part and the circuit board, and the safety cover has the guard action to the fixed part, makes things convenient for the later stage to fix the fixed part on the circuit board.

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

1. the insulating shell on the female connecting piece is fixed on the circuit board through the connecting piece, when the female connecting piece is plugged in and pulled out, the insulating shell cannot be loosened on the circuit board, and the terminal is not easy to break from the circuit board;

2. the fixing part of the connecting sheet penetrates through the through groove and then is bent into a horizontal state, the contact area between the fixing part and the circuit board is increased, and the fixing part can be more firmly fixed on the circuit board;

3. the periphery of fixed part parcel has the safety cover, and in the assembly process, the fixed part is difficult to be damaged or hit askew by the collision, and the lower surface of fixed part can be in the same place with the surperficial close-fitting of circuit board, makes the fixed part more firm with being connected of circuit board.

Drawings

Fig. 1 is a schematic structural diagram of an electronic connector according to an embodiment of the present application.

Fig. 2 is an exploded view of a male connector and a female connector in an electronic connector according to an embodiment of the present application.

Fig. 3 is a partial structural schematic view of a female connection member in the electronic connector according to the embodiment of the present application.

Fig. 4 is an exploded view of a fixing portion and a protective cover in an electronic connector according to an embodiment of the present application.

Fig. 5 is a sectional view of a fixing portion and a protective cover in an electronic connector according to an embodiment of the present application.

Description of reference numerals: 1. a male connector; 11. an insulating long shell; 111. a slot; 12. a pin; 2. a female connector; 21. an insulating housing; 211. insulating plug blocks; 212. sinking a groove; 213. a through groove; 214. a limiting groove; 22. a terminal; 23. a positioning column; 3. connecting sheets; 31. a connecting portion; 32. a clamping part; 33. a fixed part; 331. a hemispherical protrusion; 4. a protective cover; 41. a buffer section; 5. polishing the workpiece; 51. grinding the sheet; 52. lower polishing sheets; 53. a return spring; 54. a handle; 541. a limiting sheet.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses an electronic connector. Referring to fig. 1 and 2, the electronic connector includes a male connector 1 and a female connector 2, wherein the male connector 1 includes an insulating long shell 11 and pins 12, the insulating long shell 11 is rectangular and long, inner ends of the pins 12 are inserted and fixed side by side at intervals on one side wall of the insulating long shell 11 in the length direction, a large slot 111 and a small slot 111 are formed in the other side wall of the insulating long shell 11 in the length direction, the inner ends of the pins 12 are located in the slots 111, and the other ends of the pins 12 protrude out of the insulating long shell 11 to be fixed on the circuit board in a welding manner.

Referring to fig. 1 and 2, the female connector 2 includes an insulating housing 21 and terminals 22, the insulating housing 21 is in a rectangular frame shape with one side in the length direction opened, two insulating insertion blocks 211 which are one large and one small and correspond to the slots 111 are horizontally fixed on the inner side wall in the length direction of the insulating housing 21, a part of the inner ends of the terminals 22 are arched, the arched inner ends are inserted and fixed in the insulating insertion blocks 211 from the outer side wall of the insulating housing 21, the upper surface of the insulating insertion blocks 211 is provided with openings for exposing the arched inner ends of the terminals 22, and the outer ends of the terminals 22 protrude out of the insulating housing 21 for being fixed on the circuit board by welding.

When two circuit boards are to be communicated, the outer ends of the pins 12 on the male connector 1 are welded on one circuit board, the outer ends of the terminals 22 on the female connector 2 are welded on the other circuit board, then the insulating insertion block 211 is inserted into the slot 111, the inner ends of the pins 12 are in mutual contact with the inner ends of the terminals 22, power supplies of the two circuit boards can be communicated, the inner ends of the terminals 22 are arched, the inner ends of the pins 12 are in elastic contact with the inner ends of the terminals 22, and the contact is better.

Referring to fig. 1 and 2, when the female connector 2 is inserted and removed, the insulating housing 21 is easily loosened on the circuit board, and the terminal 22 and the circuit board are easily broken, which easily causes poor contact between the female connector 2 and the circuit board.

Referring to fig. 1 and 2, in order to solve the above problem, connecting pieces 3 are mounted on both sides of the insulating housing 21 in the width direction, and the connecting pieces 3 are used to fix the insulating housing 21 to a circuit board through the connecting pieces 3.

Referring to fig. 1 and 2, when the insulating housing 21 is fixed on the circuit board through the connecting sheet 3, in order to ensure the accuracy of the mounting position of the insulating housing 21, two positioning posts 23 are fixed on the bottom surface of the insulating housing 21 at intervals, correspondingly, positioning holes corresponding to the two positioning posts 23 are formed on the circuit board, and during assembly, the two positioning posts 23 may be inserted into the positioning holes for pre-positioning, and then the terminal 22 and the connecting sheet 3 are welded and fixed on the circuit board.

Referring to fig. 3 and 4, the connecting sheet 3 is an i-shaped member made of stainless steel, the connecting sheet 3 includes a connecting portion 31, a clamping portion 32 and a fixing portion 33, which are integrally formed in sequence, and the surface area of the connecting portion 31 is larger than that of the fixing portion 33, that is, the length of the connecting portion 31 is larger than that of the fixing portion 33.

Referring to fig. 3 and 4, heavy groove 212 has been seted up to insulating casing 21 width direction's relative both sides, heavy groove 212 deviates from insulating casing 21's a lateral wall design for the open-ended, heavy groove 212's tank bottom has seted up logical groove 213 of intercommunication from top to bottom along vertical direction, logical groove 213 deviates from insulating casing 21's a lateral wall design for the open-ended, logical groove 213 and fixed part 33 looks adaptation, the fixed part 33 of connection piece 3 outwards buckles ninety degrees after passing vertically from leading to groove 213 and is the horizontality, the lower surface of fixed part 33 and the bottom surface (the one side with circuit board contact) of insulating casing 21 flush each other this moment.

Referring to fig. 3 and 4, the clamping portion 32 is clamped in the through groove 213, a portion of the lower end of the clamping portion 32 is bent, the insulating housing 21 is located above the bent portion of the clamping portion 32 on two opposite sides of the opening of the through groove 213, the connecting portion 3 cannot move upwards, the length of the connecting portion 31 is longer than that of the fixing portion 33, the lower side of the connecting portion 31 can be limited by the groove bottom of the sinking groove 212, and the connecting portion 3 cannot move upwards and downwards.

Referring to fig. 3 and 4, the width of the clamping portion 32 is smaller than the opening length of the through groove 213, in order to prevent the clamping portion 32 from shaking left and right in the through groove 213, the limiting groove 214 matched with the connecting portion 31 is vertically formed on the two opposite side walls of the sinking groove 212, after the connecting piece 3 is installed on the insulating housing 21, the two opposite sides of the connecting portion 31 can be limited and fixed by the limiting groove 214, the connecting piece 3 is limited from multiple directions, and the fixing portion 33 is more stably connected with the circuit board.

Referring to fig. 3 and 4, after the fixing portion 33 is bent outward, the fixing portion 33 protrudes from the side wall of the insulating housing 21, and during the assembling and welding processes, the fixing portion 33 is easily damaged or tilted, so that the fixing portion 33 cannot be welded on the circuit board.

Referring to fig. 3 and 4, in order to solve the above problem, a hard plastic protective cover 4 is sleeved on the periphery of the fixing portion 33, the protective cover 4 is hollow inside and has a rectangular shape with one side open, the fixing portion 33 is inserted into the protective cover 4 from the opening side of the protective cover 4 in an adaptive manner to be protected, the protective cover 4 is designed to be closed on the opposite side of the opening, an arc-shaped buffer portion 41 is integrally formed at the closed end of the protective cover 4, a gap is formed between the buffer portion 41 and the closed end of the protective cover 4, and a certain buffering effect can be achieved for external impact.

Referring to fig. 4 and 5, the male connector 1 and the female connector 2 are manufactured and sold in batches, and the fixing portion 33 of the connecting piece 3 may rust when exposed to the outside for a long time, which easily causes the fixing portion 33 not to be firmly welded to the circuit board, so that the fixing portion 33 is covered by the protective cover 4, and the polishing member 5 is further disposed inside the protective cover 4, and the fixing portion 33 can be polished by the polishing member 5 while the protective cover 4 is pulled off from the fixing portion 33.

Referring to fig. 4 and 5, wherein the sanding member 5 includes an upper sanding sheet 51, a lower sanding sheet 52, a handle 54, and a return spring 53; the upper polishing piece 51 and the lower polishing piece 52 are both abrasive paper, the lower polishing piece 52 is fixed on the inner bottom wall of the protection cover 4, the handle 54 is U-shaped, two ends of the handle 54 are vertically slidably arranged on the upper surface of the protection cover 4, and the upper polishing piece 51 is fixed at two ends of the handle 54.

Referring to fig. 4 and 5, the two ends of the handle 54 are integrally formed with the limiting pieces 541, the inner top wall of the protection cover 4 is provided with two grooves for accommodating the limiting pieces 541, the return springs 53 are sleeved at the two ends of the handle 54, and the return springs 53 are located in the grooves, when the return springs 53 are in a normal state, the upper polishing piece 51 is tightly attached to the inner top wall of the protection cover 4, and the spacing distance between the upper polishing piece 51 and the lower polishing piece 52 is greater than the thickness of the fixing portion 33.

Referring to fig. 4 and 5, after the fixing portion 33 is inserted into the protective cover 4, the fixing portion 33 is located between the upper polishing sheet 51 and the lower polishing sheet 52, when the upper surface and the lower surface of the fixing portion 33 need to be polished, the handle 54 is pressed downward to drive the upper polishing sheet 51 to be tightly attached to the upper surface of the fixing portion 33, the return spring 53 is compressed at this time, then the protective cover 4 is pulled outward, the upper surface and the lower surface of the fixing portion 33 rub against each other with the upper polishing sheet 51 and the lower polishing sheet 52, then the handle 54 is released, the upper polishing sheet 51 is automatically moved upward to the inner top wall of the protective cover 4 under the drive of the return spring 53, then the fixing portion 33 is inserted into the protective cover 4, and the above steps are repeated many times, so that the rusted fixing portion 33 can be polished, the outer.

Referring to fig. 4 and 5, in order to prevent the protection cover 4 from separating from the fixing portion 33 by itself, two hemispherical protrusions 331 are fixed on two opposite side walls of the fixing portion 33, arc-shaped slots matched with the hemispherical protrusions 331 are formed in two opposite inner side walls of the protection cover 4, when the fixing portion 33 is inserted into the protection cover 4, the hemispherical protrusions 331 are clamped in the arc-shaped slots, and when the protection cover 4 is pulled out by force outwards, the protection cover 4 can be pulled out, and the protection cover 4 can not separate from the fixing portion 33 by itself.

The implementation principle of the electronic connector in the embodiment of the application is as follows: insulating casing 21 provides better mounted position for many terminals 22, after public connecting piece 1 and female connecting piece 2 pegged graft, terminal 22 and the contact of public connecting piece 1, just can be with the power intercommunication of two circuit boards, insulating casing 21 passes through fixed part 33 on the connection piece 3 to be fixed on the circuit board, when pulling out female connecting piece 2 from public connecting piece 1, insulating casing 21 can not become flexible on the circuit board, terminal 22 just is difficult to be cracked on the circuit board, do not influence the intercommunication of two circuit boards, and the periphery cover of fixed part 33 is equipped with safety cover 4, fixed part 33 is difficult to be crashed out, and polishing 5 on the safety cover 4 has the polishing effect to the upper and lower surface of fixed part 33, pull out after pressing from both sides fixed part 33 between last polishing piece 51 and lower polishing piece 52 through handle 54, repeat several times, just can polish smooth fixed part 33.

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. The utility model provides an electronic connector, includes male connector (1) and female connector (2), female connector (2) adaptation is pegged graft in male connector (1), its characterized in that: the female connecting piece (2) comprises an insulating shell (21) and a plurality of terminals (22) arranged on the insulating shell (21) side by side, one ends of the terminals (22) are exposed out of the insulating shell (21) to be contacted with the male connecting piece (1), and the other ends of the terminals (22) protrude out of the insulating shell (21) to be connected with a circuit board;

the insulation shell (21) is provided with a connecting sheet (3), the lower surface of the connecting sheet (3) is flush with the surface, which is mutually attached to the insulation shell (21) and the circuit board, of the circuit board, and the connecting sheet (3) is fixedly connected to the circuit board.

2. The electronic connector of claim 1, wherein: insulating casing (21) are one side open-ended rectangle frame shape, insulating casing (21) length direction's an inside wall is gone up the level and is provided with insulating inserted block (211), the one end of terminal (22) expose in insulating inserted block (211), just insulating inserted block (211) are used for inserting in public connecting piece (1).

3. The electronic connector of claim 2, wherein: male connector (1) is in including insulating long shell (11) and setting side by side pin (12) on insulating long shell (11), insulating long shell (11) are rectangular form, the confession has been seted up on insulating long shell (11) length direction's a lateral wall insulating plug-in block (211) male slot (111), the one end of pin (12) is located in slot (111) with terminal (22) contact, the other end protrusion of pin (12) in insulating long shell (11) are in order to be connected with the circuit board.

4. The electronic connector of claim 2, wherein: connection piece (3) are the I shape, just connection piece (3) are including connecting portion (31), joint portion (32) and fixed part (33) that connect gradually, the surface area of fixed part (33) is less than the surface area of connecting portion (31), connecting portion (31) with joint portion (32) are used for the joint to be in on insulating casing (21), fixed part (33) be used for with circuit board fixed connection.

5. The electronic connector of claim 4, wherein: insulating casing (21) width direction's relative both sides have all been seted up heavy groove (212), heavy groove (212) are kept away from one side design of insulating casing (21) is the opening, insulating casing (21) in the tank bottom of heavy groove (212) along vertical direction seted up with logical groove (213) of fixed part (33) looks adaptation, fixed part (33) are vertical to be followed lead to groove (213) in the back and are buckled into the horizontally, just the lower surface of fixed part (33) with the lower surface of insulating casing (21) flushes each other.

6. The electronic connector of claim 5, wherein: one side of the through groove (213) far away from the insulating shell (21) is designed to be open, and the lower end of the clamping part (32) is clamped on the lower side of the through groove (213) of the insulating shell (21).

7. The electronic connector of claim 1, wherein: one side of the insulating shell (21) which is mutually attached to the circuit board is provided with at least two positioning columns (23), and the circuit board is provided with positioning holes matched with the positioning columns (23).

8. The electronic connector of claim 5, wherein: be provided with safety cover (4) on fixed part (33), safety cover (4) will fixed part (33) wraps up completely.