WO2019033803A1

WO2019033803A1 - Pogo pin connector, connecting device, and character apparatus

Info

Publication number: WO2019033803A1
Application number: PCT/CN2018/087146
Authority: WO
Inventors: 黄金龙
Original assignee: 深圳小西科技有限公司
Priority date: 2017-08-14
Filing date: 2018-05-16
Publication date: 2019-02-21
Also published as: CN207009706U

Abstract

A pogo pin connector (10), a connecting device, and a character apparatus. The pogo pin connector comprises a pogo pin (11), a metal tube (12), and a spring located in the metal tube. One end of the pogo pin is connected to a first circuit board, and the other end of the pogo pin is mounted in the metal tube. The metal tube comprises a first flat part (121) adapted to be attached and fixed to a second circuit board (20), and the length direction of the first flat part is parallel to the central axis of the metal tube. The connecting device comprises the second circuit board and the pogo pin connector. The character apparatus comprises the connecting device. The pogo pin connector can be connected to a circuit board by means of surface mounting, and thus the connection reliability is improved. Moreover, compared with an existing pogo pin connector, the product costs are reduced and the product competitiveness is enhanced.

Description

Pin connector, connecting device and character device

Technical field

The utility model relates to an electrical connector technology, in particular to a bullet connector, a connecting device and a character device.

Background technique

With the development of science and technology, digital products have come out, such as character devices have been widely used, such devices generally have a spelling host and a plurality of character devices connected through a connector such as a pin connector, has been widely used. At present, the pin connector generally includes a plurality of pin assemblies, and the pin assembly includes a needle shaft, a spring, and a needle tube, and the needle tube has a cylindrical shape.

However, existing cartridge connectors have the following drawbacks:

Since the needle tube has a cylindrical shape and cannot be connected to the circuit board by a patch, the reliability of the connection is low, and the elastic pin connector composed of a plurality of elastic needle assemblies has high production cost.

Utility model content

In order to overcome the deficiencies of the prior art, one of the objects of the present invention is to provide a pin connector that can be connected to a circuit board to achieve a patch connection, which greatly improves the reliability of the connection and simultaneously connects with the existing pin. Compared with the device, it also reduces the cost of the product and enhances the competitiveness of the product.

The second object of the present invention is to provide a connecting device, wherein the elastic pin connector of the connecting device can realize the patch connection with the circuit board, thereby greatly improving the reliability of the connection, reducing the cost of the product, and improving the product. Competitiveness.

The third object of the present invention is to provide a character device, wherein the pin connector of the character device can realize patch connection with the circuit board, thereby greatly improving the reliability of the connection, reducing the cost of the product, and improving the product. Competitiveness.

One of the purposes of the present invention is achieved by the following technical solutions:

A pin connector includes a spring pin, a metal tube and a spring located inside the metal tube, one end of the pin is connected to the first circuit board, and the other end of the pin is mounted in the metal tube; The metal pipe includes a first flat portion for being fixedly attached to the second circuit board, and a longitudinal direction of the first flat portion is parallel to a central axis of the metal pipe.

Further, the pin connector further includes a second flat portion disposed opposite the first flat portion.

Further, the first flat portion and the second flat portion are disposed in parallel with each other.

Further, the first flat portion and the second flat portion are both planar.

The second object of the utility model is achieved by the following technical solutions:

A connecting device includes a second circuit board and a pin connector as described above, and the pin connector is attached to the second circuit board by the first flat portion.

Further, the second circuit board is provided with adjacent and spaced first and second pads, and the first pad and the second pad are both connected to the first flat portion .

Further, the connecting device further includes a thimble connector for connecting the connecting device to the pin connector of the other connecting device.

Further, the thimble connector includes a third flat portion and a fourth flat portion that are parallel to each other, and a longitudinal direction of the third flat portion is parallel to a central axis of the thimble connector, and the thimble connector passes the The third flat portion is fixed to the second circuit board.

The third object of the utility model is achieved by the following technical solutions:

A character device includes a housing having character indicia and attachment means as described above.

Further, the housing is provided with a foolproof groove and a foolproof boss, and the pin connector is disposed on the foolproof groove.

Compared with the prior art, the utility model has the following advantages:

The metal tube of the pin connector provided by the above technical solution includes a first flat portion, and a longitudinal direction of the first flat portion is parallel to a central axis of the metal tube, and the first flat portion can be connected to the second circuit board by a patch. It greatly improves the reliability of the connection, and at the same time reduces the cost of the product and improves the competitiveness of the product compared with the existing pin connector.

DRAWINGS

1 is a schematic structural view of a pin connector provided by the present invention;

2 is a schematic structural view of an embodiment of a connecting device provided by the present invention;

Figure 3 is a schematic view of the second circuit board of the connecting device of Figure 2;

4 is a schematic structural view of another embodiment of a connecting device provided by the present invention;

Figure 5 is a schematic view showing the structure of the character device provided by the present invention;

Figure 6 is a schematic view showing the structure of the character device of Figure 5 at another angle;

Figure 7 is a schematic view of a plurality of the character devices of Figure 5 after splicing, wherein only a portion of the housing is shown.

In the figure: 10, a pin connector; 11, a pin; 12, a metal tube; 121, a first flat portion; 122, a second flat portion; 20, a second circuit board; 21, a first pad; a second pad; 23, a third pad; 24, a fourth pad; 30, a thimble connector; 31, a third flat portion; 32, a fourth flat portion; 40, a housing; 41, a foolproof groove ; 42, anti-stay boss; 43, magnetic suction.

Detailed ways

In the following, the present invention will be further described in conjunction with the accompanying drawings and specific embodiments. It should be noted that, without conflict, the embodiments described below or the technical features can be combined to form a new implementation. example.

Referring to FIG. 1 , a pin connector provided by an embodiment of the present invention includes a pin 11 , a metal tube 12 , and a spring (not labeled) inside the metal tube. One end of the pin 11 and the first circuit board (not labeled) Connected, the other end of the pin 11 is mounted in the metal tube 12; the metal tube 12 includes a first flat portion 121 for attaching and fixing to the second circuit board 20 (see FIG. 2), the first flat portion 121 The longitudinal direction is parallel to the central axis of the metal tube 12.

The elastic pin connector 10 provided in the above embodiment has a metal tube 12 including a first flat portion 121. The longitudinal direction of the first flat portion 121 is parallel to the central axis of the metal tube 12, and the first flat portion 121 can be coupled to the second circuit. The board 20 realizes the patch connection, which greatly improves the reliability of the connection, and at the same time reduces the cost of the product and improves the competitiveness of the product compared with the existing bullet connector.

As a preferred embodiment, the pin connector 10 further includes a second flat portion 122 disposed opposite to the first flat portion 121, and the second flat portion 122 is configured to cooperate with the nozzle of the placement machine during processing. The nozzle of the automatic placement machine moves the elastic pin connector 10 to a proper position by sucking the second flat portion 122, so that the first flat portion 121 is welded to the welding station of the second circuit board 20, and then the welding is completed. The patch connection of the pin connector 10 and the second circuit board 20 greatly improves the processing efficiency. The first flat portion 121 and the second flat portion 122 are disposed in parallel with each other. The first flat portion 121 is a flat surface, and increases the connection reliability of the pin connector 10 and the second circuit board 20. The second flat portion 122 is also planar so as to enable the automatic placement machine to more securely attract the cartridge connector 10 to prevent the cartridge connector 10 from falling from the automatic placement machine during processing.

Referring to FIG. 2-4, the present invention further provides a connecting device including a second circuit board 20 and a pin connector 10 as described above. The pin connector 10 passes through the first flat portion 121 and the second circuit board. 20 fit and fixed.

As a preferred embodiment, the second circuit board 20 is provided with adjacent and spaced apart first and

second pads

21 and 22, and the first and

second pads

21 and 22 are both opposite to the first flat portion 121. Connecting, the pin connector 10 is attached to the second circuit board 20 in the automatic placement machine, or the first pad 21 and the second pad 22 are heated to generate an interaction force during the heating and conveying process of the connecting device. To prevent the pin connector 10 from shifting during processing. In the present embodiment, the number of the pin connectors 10 is four, and the connecting device is electrically connected to the next connecting device through the four pin connectors 10.

In a preferred embodiment, the attachment device further includes a thimble connector 30 for coupling the attachment device to the cartridge connector 10 of the other attachment device. As shown in FIG. 4, in another embodiment, the second circuit board 20 of the connecting device can be preset with four metal contacts for connection with the pin connector 10 of the other connecting device. The thimble connector 30 includes a third flat portion 31 that is parallel to each other and a fourth flat portion 32 for mating with a suction nozzle of the mounter, the longitudinal direction of the third flat portion 31 being parallel to the central axis of the thimble connector 30, The thimble connector 30 is attached and fixed to the second circuit board 20 via the third flat portion 31. The second circuit board 20 is further provided with adjacent and spaced third pads 23 and fourth pads 24, and the third pads 23 and the fourth pads 24 are both connected to the third flat portion 31. During processing, the nozzle of the automatic placement machine moves the thimble connector 30 to a proper position by sucking the fourth flat portion 32 such that the third flat portion 31 and the third pad 23 of the second circuit board 20 The position of the fourth pad 24 is correspondingly matched and then soldered to realize a patch connection of the thimble connector 30 and the second circuit board 20. Since the third pad 23 and the fourth pad 24 generate an interaction force after heating, it is possible to prevent the thimble connector 30 from being displaced during processing, which greatly improves processing efficiency and connection reliability.

Referring to Figures 5-7, the present invention also provides a character device comprising a housing 40 having character indicia and attachment means as described above. The character mark may be one or more of a letter mark, a number mark, an operation mark, a Braille mark, a Chinese mark, and a note mark, and the present invention is not limited thereto.

As a preferred embodiment, the housing 40 is provided with a foolproof recess 41 and a foolproof boss 42. The latch connector 10 is disposed on the foolproof recess 41, and the foolproof recess 41 of the character device is to be connected. The foolproof boss 42 of the character device is adapted, and the foolproof boss 42 of the character device is adapted to the foolproof recess 41 of the character device to be connected, so that the foolproof boss 42 can be inserted into the foolproof recess 41 achieves the connection of two character devices. The foolproof groove 41 and the foolproof boss 42 are both trapezoidal, and the four pin connectors 10 are arranged on the trapezoidal groove in the height direction of the trapezoidal groove. In one embodiment, the pin connector 10 is disposed on the foolproof recess 41, and the thimble connector 30 is disposed on the anti-staying boss 42. The thimble connector 30 is arranged along the height direction of the trapezoidal boss in the trapezoidal boss. on.

As a preferred embodiment, the housing 40 may further be provided with a magnetic attraction portion 43 for magnetically attracting the two character devices, thereby making the connection more reliable.

The above embodiments are merely preferred embodiments of the present invention, and the scope of protection of the present invention is not limited thereto, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention belong to The scope of the claimed invention.

Claims

A pin connector includes a pin, a metal tube and a spring located inside the metal tube, one end of the pin is connected to the first circuit board, and the other end of the pin is mounted on the The metal tube includes a first flat portion for attaching and fixing to the second circuit board, and the longitudinal direction of the first flat portion is parallel to a central axis of the metal tube.
The pin connector of claim 1 further comprising a second flat portion disposed opposite said first flat portion.
A pin connector according to claim 2, wherein said first flat portion and said second flat portion are disposed in parallel with each other.
A pin connector according to claim 2, wherein said first flat portion and said second flat portion are both planar.
A connecting device, comprising: a second circuit board and the pin connector according to any one of claims 1 to 4, wherein the pin connector passes through the first flat portion and the second The board is fixed and fixed.
The connecting device according to claim 5, wherein said second circuit board is provided with adjacent and spaced first and second pads, said first pad and said second The pads are each connected to the first flat portion.
The connector of claim 5 further comprising a thimble connector for coupling said connector to a pin connector of another connector.
The connecting device according to claim 7, wherein said thimble connector comprises third and fourth flat portions parallel to each other, said third flat portion having a longitudinal direction and a center of said thimble connector The shaft pins are parallel, and the thimble connector is fixed to the second circuit board by the third flat portion.
A character device comprising a housing having a character indicia and a connecting device according to any of claims 5-8.
The character device according to claim 9, wherein said housing is provided with a foolproof groove and a foolproof boss, and said pin connector is disposed on said foolproof groove.