CN215600619U

CN215600619U - Micro plug

Info

Publication number: CN215600619U
Application number: CN202122223373.3U
Authority: CN
Inventors: 施沛锋; 赵泽壮; 冯文娇; 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: 2022-01-21
Anticipated expiration: 2031-09-14

Abstract

The application relates to the field of connectors, and particularly discloses a micro plug which comprises a shell and contact pins, wherein the shell is provided with slots, pin holes are formed in the slots corresponding to the wall of a slot opening in a penetrating mode, the number of the pin holes is two, the contact pins penetrate through the pin holes and extend into the slots, and the contact pins are connected with the wall of the pin hole; the detachable base block is detachably connected to the shell, a positioning plate and a clamping plate are arranged on the base block, the positioning plate is located between the two rows of contact pins and abutted to the contact pins, the positioning plate is located between the contact pins and the slot wall, and the slot wall and the contact pins are all abutted to the clamping plate. The plug can be moved by picking up the base block, so that the method is convenient and quick; simultaneously this application has set up the stopper of variation in size for the spacing groove that corresponds the size on stopper and the circuit board is pegged graft, can play the effect of preventing inserting by mistake.

Description

Micro plug

Technical Field

The application relates to the field of connectors, in particular to a micro plug.

Background

A connector is a commonly used component in an electrical circuit, and a plug, and the like are commonly used as the connector. The connector may connect two active devices so that a circuit or a signal may be transmitted.

The plug has different types according to different use ring mirrors, and for a micro plug, the micro plug is usually fixed on a circuit board in a wave soldering mode.

With respect to the related art in the above, the inventors consider that: because the volume of the micro plug is small, the plug is very inconvenient to take in the process of placing the plug on the circuit board.

SUMMERY OF THE UTILITY MODEL

In order to facilitate taking of the micro plug, the application provides the micro plug.

The micro plug provided by the application adopts the following technical scheme:

a micro plug comprises a shell and contact pins, wherein slots are formed in the shell, pin holes penetrate through the walls, opposite to notches, of the slots, the pin holes are arranged in two rows, the contact pins penetrate through the pin holes and extend into the slots, and the contact pins are connected with the walls of the pin holes; the detachable base block is detachably connected to the shell, a positioning plate and a clamping plate are arranged on the base block, the positioning plate is located between the two rows of contact pins and abutted to the contact pins, the positioning plate is located between the contact pins and the slot wall, and the slot wall and the contact pins are all abutted to the clamping plate.

Through taking above-mentioned technical scheme, insert back in the slot with locating plate and splint for the locating plate butt is between two rows of contact pins, and the splint butt utilizes the friction location can fix locating plate and splint between contact pin and slot cell wall, thereby fixes the base block, makes when the installation plug, can be through picking up the removal plug to the base block, at last directly take off the base block can, convenient and fast.

Optionally, the end wall of the positioning plate far away from the base block is an arc-shaped side wall.

Through adopting above-mentioned technical scheme, make things convenient for the locating plate to insert between two rows of contact pins, reduce the wearing and tearing to the contact pin simultaneously.

Optionally, the side of the clamping plate away from the end wall of the base block and towards the pin is an arc-shaped side wall.

By adopting the technical scheme, the clamping plate can be conveniently inserted between the contact pin and the slot wall of the slot, and meanwhile, the abrasion to the contact pin is reduced.

Optionally, the base block is opposite to the slot and abuts against a side wall of the shell at the slot opening of the slot.

Through adopting above-mentioned technical scheme, the lateral wall butt of base block and casing can carry on spacingly to the base block, reduces the further inside removal of slot of base block and produces wearing and tearing to the contact pin.

Optionally, a heat dissipation through groove is formed in the shell, and the heat dissipation through groove is communicated with the slot.

By adopting the technical scheme, because the plug and the circuit board are usually connected by wave soldering, the heat dissipation through groove can dissipate heat in time, and the influence of high temperature on the shell is reduced.

Optionally, at least two limiting blocks are arranged on the side wall of the side, away from the slot, of the shell.

By adopting the technical scheme, the limiting block can be inserted into the limiting groove on the circuit board, and the shell can be positioned, so that the displacement of the shell caused by the flowing of liquid tin is reduced in wave soldering, and the shell can be stably fixed at the specified position of the circuit board.

Optionally, at least two of the limiting blocks have different sizes.

By adopting the technical scheme, the limiting blocks can only be inserted into the limiting grooves with the specified size on the circuit board due to different sizes of the limiting blocks when the limiting blocks play a limiting role, and the effect of preventing misplugging can be achieved.

Optionally, the center distance between two adjacent pinholes in the same row is 1.27 +/-0.1 mm.

By adopting the technical scheme, the requirement of a specified line is met, so that the signal can be stably transmitted.

Optionally, the slot is provided with guide grooves along both sides of the arrangement direction of the pin holes in the same row, and the guide grooves penetrate through the side wall of the shell located at the slot opening of the slot.

By adopting the technical scheme, when the plug is plugged with the corresponding plug, the guide groove can be plugged with the guide block on the plug, so that the guide effect is achieved, and the plugging stability of the plug and the plug is improved.

Optionally, one side that the locating plate was kept away from to the base block was located splint is provided with the guide bar, the one end that the base block was kept away from to the guide bar is located one side that the base block was kept away from to locating plate and splint, be provided with the direction spout on the casing, the guide bar is pegged graft with the direction spout.

Through adopting above-mentioned technical scheme, when the installation base block, the guide bar can be preferentially inserted in the direction spout to can lead to locating plate and splint, reduce the wearing and tearing of locating plate and splint to the contact pin.

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

1. according to the plug fixing device, the base block can be fixed after the positioning plate and the clamping plate are fixed through friction positioning, so that when the plug is installed, the plug can be moved by picking up the base block, and finally the base block is directly taken down, so that convenience and rapidness are achieved;

2. the limiting block can be inserted into the limiting groove in the circuit board to position the shell, so that displacement of the shell caused by flowing of liquid tin is reduced in wave soldering, and the shell can be stably fixed at the specified position of the circuit board;

3. this application has set up the guide bar, and in the time of installation base block, the guide bar can be preferentially inserted in the direction spout to can lead to locating plate and splint, reduce the wearing and tearing of locating plate and splint to the contact pin.

Drawings

Fig. 1 is a schematic structural diagram of a micro plug in embodiment 1 of the present application.

Fig. 2 is a plan view showing the structure of a micro plug in example 1 of the present application.

Fig. 3 is a sectional view taken along line a-a of fig. 2.

Fig. 4 is an exploded view of a structure of a spacer and a clamping plate for embodying the present invention in embodiment 1.

Fig. 5 is an exploded view for showing a connection structure of a stopper and a circuit board in embodiment 1 of the present application.

Fig. 6 is an exploded view of a structure of a micro plug in example 1 of the present application.

Description of reference numerals: 1. a housing; 11. a slot; 12. a pinhole; 13. a guide groove; 14. a heat dissipation through groove; 15. a guide chute; 2. inserting a pin; 21. a straight needle part; 22. a needle bending part; 3. a base block; 31. positioning a plate; 32. a splint; 4. a limiting block; 5. a circuit board; 51. a limiting groove; 6. a guide rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

Example 1

As shown in fig. 1, 2 and 3, a micro plug comprises a housing 1 and pins 2, wherein the housing 1 is provided with a rectangular slot 11, two rows of pin holes 12 are arranged on the slot 11 through the slot wall corresponding to the slot opening, and each row of pin holes 12 is arranged along the length direction of the housing 1 and has twenty; the contact pin 2 comprises straight needle parts 21 and bent needle parts 22, the straight needle parts 21 are inserted into the needle holes 12 one by one and are abutted against the wall of the needle holes 12, one end of each straight needle part 21 extends into the slot 11, the center distance between every two adjacent straight needle parts 21 is L1, the center distance between every two rows of straight needle parts 21 is L2, L1= L2=1.27 +/-0.1 mm, namely the center distance between every two rows of needle holes 12 and the center distance between every two adjacent needle holes 12 are both 1.27 +/-0.1 mm; the curved needle portion 22 is connected in the straight needle portion 21 and keeps away from the one end of slot 11 and perpendicular with straight needle portion 21, and curved needle portion 22 extends along the length direction of perpendicular to casing 1, and two rows of curved needle portions 22 buckle opposite direction and all deviate from the one side lateral wall butt of slot 11 with casing 1.

As shown in fig. 3, 4 and 5, the base block 3 is detachably connected to the housing 1, the base block 3 is fixedly connected with a positioning plate 31 and two clamping plates 32, the positioning plate 31 is located between the two clamping plates 32 and is parallel to the two clamping plates 32, meanwhile, the end wall of the positioning plate 31 far away from the base block 3 is an arc-shaped side wall, and the side of the clamping plate 32 far away from the end wall of the base block 3 and facing the positioning plate 31 is an arc-shaped side wall. The base block 3 is opposite to the slot 11 and is abutted against the side wall of the shell 1 at the slot opening of the slot 11, the positioning plate 31 is positioned between the two rows of straight needle parts 21 and is abutted against the straight needle parts 21, the positioning plate 31 is positioned between the straight needle parts 21 and the slot wall of the slot 11, and the slot wall of the slot 11 and the straight needle parts 21 are both abutted against the clamping plate 32.

Therefore, the positioning plate 31 and the clamping plate 32 are inserted into the corresponding positions of the slot 11, the base block 3 is installed, then the workpiece is adhered to the base block 3, the plug can be moved to the specified position of the circuit board 5, then the plug is welded on the circuit board 5 by wave soldering, and finally the base block 3, the positioning plate 31 and the clamping plate 32 are taken down from the shell 1.

As shown in fig. 4, the slots 11 are provided with guide grooves 13 along two sides of the arrangement direction of the pin holes 12 in the same row, the guide grooves 13 penetrate through the side wall of the housing 1 away from the curved pin portion 22, guide blocks are provided on the plug used in cooperation with the plug of this embodiment, after the plug is plugged into the socket, the guide blocks on the plug can be plugged into the guide grooves 13 of the plug correspondingly, and the plugging stability of the plug and the plug is improved.

As shown in fig. 4 and 5, two heat dissipation through grooves 14 are respectively formed on two side walls of the housing 1 perpendicular to the length direction, and the heat dissipation through grooves 14 are communicated with the slots 11. In this embodiment, casing 1 is provided with two stopper 4 on deviating from the lateral wall of slot 11 one side, and two stopper 4 variation in size, casing 1 all set up a stopper 4 along length direction's both sides. The corresponding limiting groove 51 penetrates through the circuit board 5, and after the plug is placed on the circuit board 5, the limiting block 4 is inserted into the corresponding limiting groove 51, so that the shell 1 can be limited, and the movement of the shell 1 in the wave soldering process is reduced; the heat dissipation through grooves 14 can dissipate heat during wave soldering.

The implementation principle of a micro plug in embodiment 1 of the present application is as follows: insert between two rows of straight needle portions 21 with locating plate 31, splint 32 inserts between straight needle portion 21 and slot 11 cell wall, and then installs base block 3, then utilize the work piece adhesion to live base block 3, can remove the plug to the regulation position of circuit board 5 for spacing 51 grafting on stopper 4 and the circuit board 5, then utilize wave-soldering to weld the plug on circuit board 5, it can to take off base block 3, locating plate 31 and splint 32 from casing 1 at last.

Example 2

As shown in fig. 6, a plug of a micro type, embodiment 2 is different from embodiment 1 in that: a guide rod 6 is fixedly connected to one side of the base block 3, which is located on the clamping plate 32 and away from the positioning plate 31, one end of the guide rod 6, which is located on one side of the positioning plate 31 and the clamping plate 32, which is away from the base block 3, namely the length of the guide rod 6 in the direction perpendicular to the base block 3 is greater than the length of the positioning plate 31 and the clamping plate 32 in the direction perpendicular to the base block 3; a guide chute 15 is arranged on the side wall of the shell 1 which is far away from the needle bending part 22; when the base block 3 is mounted on the housing 1, the guide rod 6 is inserted into the guide slot 15, so that the positioning plate 31 and the clamping plate 32 can be guided, the positioning plate 31 and the clamping plate 32 are stably inserted into the insertion slot 11, and the base block 3 abuts against the housing 1.

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 plug, characterized by: the novel pin inserting device comprises a shell (1) and pins (2), wherein the shell (1) is provided with a slot (11), the slot wall of the slot (11) relative to a notch is provided with two rows of pin holes (12) in a penetrating manner, the pins (2) penetrate through the pin holes (12) and extend into the slot (11), and the pins (2) are connected with the hole wall of the pin holes (12); the detachable base block (3) is detachably connected to the shell (1), a positioning plate (31) and a clamping plate (32) are arranged on the base block (3), the positioning plate (31) is located between the two rows of pins (2) and abutted to the pins (2), the positioning plate (31) is located between the pins (2) and the groove wall of the slot (11), and the groove wall of the slot (11) and the pins (2) are abutted to the clamping plate (32).

2. The plug of claim 1, wherein: the end wall of the positioning plate (31) far away from the base block (3) is an arc-shaped side wall.

3. The plug of claim 1, wherein: one side of the clamping plate (32), which is far away from the end wall of the base block (3) and faces the inserting needle (2), is an arc-shaped side wall.

4. The plug of claim 1, wherein: the base block (3) is opposite to the slot (11) and is abutted against the side wall of the shell (1) at the slot opening of the slot (11).

5. The plug of claim 1, wherein: the shell (1) is provided with a heat dissipation through groove (14), and the heat dissipation through groove (14) is communicated with the slot (11).

6. The plug of claim 1, wherein: at least two limiting blocks (4) are arranged on the side wall of one side, deviating from the slot (11), of the shell (1).

7. The plug of claim 6, wherein: the sizes of at least two limiting blocks (4) are different.

8. The plug of claim 1, wherein: the center distance between two adjacent needle holes (12) in the same row is 1.27 +/-0.1 mm.

9. The plug of claim 1, wherein: the slot (11) runs through along the both sides of arranging the direction with row pinhole (12) and is provided with guide way (13), guide way (13) run through casing (1) and are located the lateral wall of slot (11) notch department.

10. The plug of claim 1, wherein: one side that locating plate (31) were kept away from in base block (3) lie in splint (32) is provided with guide bar (6), one end that base block (3) were kept away from in guide bar (6) lies in locating plate (31) and splint (32) one side of keeping away from base block (3), be provided with direction spout (15) on casing (1), guide bar (6) and direction spout (15) are pegged graft.