CN1259750C

CN1259750C - System connectors of mobile communication apparatus

Info

Publication number: CN1259750C
Application number: CN 01140828
Authority: CN
Inventors: 大石胜司
Original assignee: SMK Corp
Current assignee: SMK Corp
Priority date: 2001-06-08
Filing date: 2001-09-20
Publication date: 2006-06-14
Anticipated expiration: 2021-09-20
Also published as: JP3714889B2; CN1391312A; JP2002367700A

Abstract

The patent provides a power supply structure of a system connector for mobile communications equipment that has a simple and compact structure without using soldering and has high reliability of connection. In the power supply structure, the back end of one of the pad connection terminals is connected by being pinched to the back end of a plug pin terminal of a DC connection jack, and the back end of the other pad connection terminal is connected by being pinched to the DC connection jack and a first sleeve spring respectively through the both ends of a second sleeve spring, and a pressure-contact spring part to the printed-circuit board is provided respectively to the plug pin terminal and the first sleeve spring.

Description

The system connector that mobile communication equipment is used

Technical field

The present invention relates to make in the power suppling part of system connector used in the mobile communication equipment structure miniaturization and can effectively improve the system connector structure of its connection reliability from the input side of connector to outlet side.

Background technology

The general internal battery of mobile communication equipments such as mobile phone, charging with this battery is used for the external connection terminals of stube cable or with exchanging direct-connected external connection terminals of connector such as adapter etc. during with data communication with terminal, and the compound system connector of having changed of these functions is widely adopted.

Past, this system connector was shown in Figure 6, on resin enclosure 100 and establish and be used for connecting connector with the flat connector 101 of supplying with power supply, and the pad 102 used when charging with stand formula charger, the terminal 103a of each contact portion 103 is welded on the tellite with surface mounting technology (Surface Mount Technology).

Thereby because the heating in when welding is easy to cause warpage, projection at contact portion place, and the error when connecting also is very big technical task, and the insertion of external connection terminals or load when unloading or the impact that falls etc. cause weld part to produce slight crack easily.

From environmental angle, plumbous use also becomes problem gradually recently.

And, in order to be connected respectively to tellite to the contact portion of flat connector and pad terminal, the space that not only needs very big landscape configuration, and when externally terminal needs common the connection for circuit control, also need corresponding configuration on tellite.

So just cause the quantity of part a lot, and for the miniaturization requirement of corresponding mobile communication equipment, it is very difficult that the press process of contact portion can become, the assembling in shell also can become and be not easy very much.

Summary of the invention

The power suppling part that is used for the system connector of mobile communication equipment, as noted above, have the pad that is connected to stand formula charger, and, require the electrical power stabilization from these parts inputs is outputed to tellite reliably via the direct current gang socket that adapter connects.

Therefore the object of the present invention is to provide a kind of power supply supply structure that does not use welding, available simple small-sized structure to realize the system connector that above-mentioned requirements, the reliable mobile communication equipment of connection are used.

The invention of the 1st scheme is, as the method that is connected to tellite, be to utilize the elastic force of spring to carry out the crimping connection, abolish the welding sequence of surface mounting technology, the system connector of this programme is accommodated the end face that is formed at the external connecting on the shell and makes it to be positioned at mobile communication equipment, it is characterized by: adopt from the power supply of being located at external connecting and supply with pad and direct current gang socket via the structure of crimping jockey to the tellite supply power.

The invention of the 2nd scheme is, elastic force in order to ensure above-mentioned compression bonding apparatus, than the thickness and the width that have strengthened terminal board in the past, method of attachment as pad and direct current gang socket latch etc., be to form finedraw portion (notch) on a side's therein the terminal, the cramping method of attachment that the opposing party's terminal is pressed into along the thickness of slab direction, the terminal joint construction is oversimplified, miniaturization and improve its connection reliability, wherein the rear end of the first pad splicing ear is connected with the latch splicing ear rear end cramping of direct current gang socket, the rear end warp of the second pad splicing ear is connected with the cramping of second jack spring and is electrically connected with the direct current gang socket and first jack spring respectively, and at this latch splicing ear and first jack spring crimp spring portion that tellite is used is set respectively.

The invention of the 3rd scheme is the contact portion that is provided with in direct current gang socket respectively on first jack spring and second jack spring, DC plug is formed common connection.

Description of drawings

Fig. 1 connects the figure that side is seen system connector of the present invention from the outside.

Fig. 2 is the view seen from the shell rear side and the profile at main position.

Fig. 3 is the exploded view of each terminal and shell.

Fig. 4 shows the method for attachment of terminal.

Fig. 5 shows the connection status of terminal.

Fig. 6 shows the example of traditional system connector.

Embodiment

Fig. 1 connects the figure that side is seen system connector 1 of the present invention from the outside, Fig. 2 (a) is the view of seeing from the back side of shell 11, and Fig. 2 (b) is its J-J line profile, and Fig. 2 (c) is its K-K line profile, and Fig. 2 (d) is its A-A line profile.

Connecting side in the outside of shell 11 is provided with: via the direct current gang socket 2 of adapter input power supply, via the first pad 3a, the second pad 3b of stand formula charger input power supply and be used for the signal of input signal with socket 4 etc.

Be provided with the latch splicing ear crimp spring portion 51 and the first jack spring crimp spring portion 71 in the side of shell, the former becomes the tellite connecting portion to tellite side out-put supply.

Next according to Fig. 2 and exploded perspective view, be that Fig. 3～Fig. 5 illustrates the joint construction in the shell.

As shown in Figure 3, the outside connection side from shell 11 is inserted into the first pad splicing ear accepting hole 13a and the second pad splicing ear accepting hole 13b that is located at shell to the first pad splicing ear 3a and the second pad splicing ear 3b respectively.

As shown in Figures 2 and 3, first jack spring 7 is inserted into the first jack spring reception room 17 from the shell rear side, makes near the crimp spring portion that the DC plug contact portion 72 of first jack spring is positioned at the hole of direct current gang socket, the first jack spring crimp spring portion 71 is positioned at shell accommodate groove 171 by tellite one side.

Next, similarly second jack spring 6 is inserted into the second jack spring reception room 16 from the shell rear side, this moment as shown in Figure 4, the first cramping connecting portion 61 that is located at second jack spring, 6 one ends is pressed into the second pad splicing ear notch 31b that is located at the second pad splicing ear 3b rear end, and the second cramping connecting portion 62 that is located at the second jack spring other end is pressed into the first jack spring notch 73 that is located at first jack spring, 7 rear ends.

As shown in Figure 4, if the pad splicing ear notch or the first jack spring notch are made the duplex of terminal bending, can make its connection reliability better.

The DC plug contact portion 63 that is located at second jack spring is disposed near the hole of direct current gang socket, utilizes the above-mentioned first jack spring DC plug contact portion 72, and first and second jack spring can form common connection.

Next as Fig. 3 and shown in Figure 5, insert latch splicing ear 5 from the back side of shell, groove 151 is accommodated by the crimp spring portion that the latch 52 that makes latch splicing ear 5 is arranged in the shell sidepiece in the face of direct current gang socket, at the crimp spring portion 51 of tellite, latch splicing ear cramping connecting portion 53 is pressed into the first pad splicing ear notch 31a that is located at the first pad splicing ear 3a rear end.

As shown in Figures 2 and 3, be provided with signal connecting terminal 41～45 at signal plug 4, these terminals also have crimp spring portion, can be connected with tellite.

Adopt the present invention, because the second pad splicing ear 3b is connected with first jack spring 7 via second jack spring 6, the first pad splicing ear 3a is connected with latch, so no matter be from direct current gang socket or from outside adapter power supply, all can be fed to tellite to power supply from crimp spring portion, simple structure is small-sized.

In addition,, not only need on tellite, not weld, and improve connection reliability tellite by adopting the crimp spring mode.

In addition, be pressed into second jack spring that will connect and the cramping connecting portion of latch splicing ear by notch in the pad splicing ear and the first jack spring rearward end, make the simple and miniaturization of method of attachment between terminal, and improved resistance to impact and connection reliability.

Because simple structure can be dwindled in the space of mobile communication equipment end face assembling, the press process of terminal (contact portion) is easy, has also improved the assembleability of various union pieces in the system connector shell.

Claims

1. system connector that mobile communication equipment is used, the external connecting that is formed at shell is accommodated the state that becomes to be positioned at mobile communication equipment one end face, it is characterized in that, from the power supply of being located at external connecting supply with pad and direct current gang socket via the crimping jockey to the tellite supply power.

2. the system connector that mobile communication equipment as claimed in claim 1 is used, it is characterized in that, the rear end of the first pad splicing ear is connected with the latch splicing ear rear end cramping of direct current gang socket, the rear end of the second pad splicing ear is through being connected with the cramping of second jack spring and being electrically connected with the direct current gang socket and first jack spring respectively, and at this latch splicing ear and first jack spring crimp spring portion at tellite is set respectively.

3. the system connector that mobile communication equipment as claimed in claim 2 is used is characterized in that, first jack spring can form common the connection to DC plug with second jack spring.