CN2747731Y

CN2747731Y - Terminal structure for connector

Info

Publication number: CN2747731Y
Application number: CNU200420013929XU
Authority: CN
Inventors: 杨武男
Original assignee: JISHIWAN ENTERPRISE CO Ltd
Current assignee: JISHIWAN ENTERPRISE CO Ltd
Priority date: 2004-10-15
Filing date: 2004-10-15
Publication date: 2005-12-21
Anticipated expiration: 2014-10-15

Abstract

The utility model discloses a terminal structure for a connector. The terminal comprises a base, a contact part, a leg part and a weld part. The terminal is embedded in the groove of the connector through the contact part and the leg part, and the weld part of the terminal is fastened to the margin of the groove of the connector. The weld part is welded on a circuit board. The end part of the contact part is provided with a hook part. The terminal hooks the flexible circuit board of the connector through the hook part. The base of the terminal is provided with a positioning part corresponding to the weld part, and the positioning part is fastened to the margin of the groove of the connector. The inner side of the contact part of the terminal is an inclined plane, and the contact part is in a ladder type whose bottom is narrow while the top is wide along the direction from the hook part to the base. The terminal structure of the utility model contacts the connector well. The electrical resistance value of the terminal is decreased, and the signal loss is decreased.

Description

Connector terminal structure

[technical field]

The utility model system means the bonder terminal that the sub-product transmission signal of power supply is used especially about connector terminal structure.

[background technology]

Science and technology is constantly improving, what various electronic products did not also stop is doing research and development design and improvement, demands such as, exquisiteness light and handy to meet now, electronic products such as mobile computer, personal digital assistant, mobile phone for example, and connector is one of main member in above-mentioned every electronic product.

Be illustrated in figure 1 as the user mode cutaway view of common a kind of bonder terminal, the hardware that this terminal 10 is formed in one, it extends a contact site 12 by a pedestal 11, one shank 13 and a weld part 14, and terminal 10 by contact site 12 and shank 13 slightly flexural deformation and embedding group in the groove 16 of connector 15, the hook part 121 of contact site 12 can be colluded establish the flexible circuit board that connector 15 is installed, 17 make flexible circuit 17 plates and terminal 10 be conducting state, weld part 14 lower edges of terminal 10 then can fasten the groove 16 outer rim places in connector 15, in addition, terminal 10 is located at weld part 14 welderings that do not show this terminal 10 on the circuit board on the drawing by weld part 14 weldering and is located on the circuit board, utilizes the media that conducting becomes transmission signal that contacts of terminal 10 and flexible circuit board 17.

Above-mentioned connector terminal structure exists many defectives in assembling and use: because the hardware that terminal 10 is formed in one, make the bending deformation quantity of its contact site 12 be restricted, and terminal 10 insert groups are when connector 15, only there is the lower edge of weld part 14 to fasten groove 16 outer rim places in connector 15, and the fulcrum that should the place can become terminal 10 causes the beat of terminal 10 globalities, make the hook part 121 of terminal 10 be difficult for colluding and establish flexible circuit board 17, because of hook part 121 few with the contact area of flexible circuit board 17, produce slide relative because of small external force easily, cause loose contact easily, make this connector 15 become defective products.

[utility model content]

The utility model purpose is the above-mentioned deficiency at prior art, proposes a kind of contact with connector well, can the reduce resistance value of terminal and the connector terminal structure that reduces the signal loss.

To achieve these goals, a kind of connector terminal structure that the utility model proposes, this terminal includes base portion, contact site, shank and weld part, this terminal mat contact site and shank embedding group are in the groove of connector, and the weld part of this terminal fastens the groove groove edge in connector, this weld part is welded on the circuit board, and the end of this contact site is provided with the hook part, the flexible circuit board of establishing connector is colluded in this terminal mat hook part, wherein: the base portion of this terminal is provided with the location division with respect to this weld part, and this location division fastens the groove groove edge in connector, be the inclined plane in the contact site inboard of terminal, and this contact site is bottom-narrow and top-wide state by the hook part towards base portion.

With respect to the connector terminal structure of prior art, the base portion of the utility model terminal is provided with the location division, makes terminal embedding group when the groove of connector, and the location division of terminal can fasten groove edge in groove with weld part, allow terminal can strong fix in connector.

Connector terminal structure with respect to prior art, the utility model terminal utilizes the inboard of contact site to be the inclined plane, and this contact site is bottom-narrow and top-wide state and has preferable elastic deformation amount when being subjected to replacing, make the hook part of this contact site can obtain the contact area tighter with flexible circuit board, and tighter contact area makes contact better, and is minimized the resistance value of this terminal and the loss that reduces signal.

[description of drawings]

Fig. 1 is the user mode cutaway view of common a kind of bonder terminal.

Fig. 2 is the stereogram of the utility model terminal.

Fig. 3 is the exploded perspective view of the utility model terminal and connector.

Fig. 4 is a user mode cutaway view of the present utility model.

Wherein:

10 is terminal; 11 is pedestal; 12 is contact site; 121 is the hook part; 13 is shank; 14 is weld part; 15 is connector; 16 is groove; 17 is flexible circuit board;

20 is terminal; 21 is base portion; 22 is contact site; 221 is the hook part; 222 is the inclined plane; 23 is shank; 24 is weld part; 241 is projection; 25 is the location division; 26 is blocking part;

30 is connector; 31 is groove; 32 is flexible circuit board.

[embodiment]

Below in conjunction with drawings and Examples the utility model is further described.

At first see also shown in Figure 2ly, show the terminal 20 of the utility model one preferred embodiment among the figure:

Terminal 20 is provided with a base portion 21, be respectively equipped with a contact site 22 and a shank 23 in the bottom of base portion 21, ora terminalis in contact site 22 is provided with a hook part 221, and the inboard of contact site 22 is an inclined plane 222, and inclined plane 222 is by hook part 221 oblique base portions 21, make contact site 22 be bottom-narrow and top-wide state towards base portion 21 by hook part 221, be respectively equipped with a weld part 24 and a location division 25 of side direction in addition in terminal 20 tops, and weld part 24 is the same level shape with the root edge of location division 25, and be provided with a projection 241 at the apical margin of weld part 24, in addition be provided with a blocking part 26 with weld part 24 and location division 25 lower edge that joins respectively in the pedestal 21 of terminal 20.

Assembling mode of the present utility model sees also shown in Fig. 3-4, when terminal 20 is desired to be assembled in the groove 31 of connector 30, system allows the contact site 22 of terminal 20 be subjected to replacing of groove 31 cell walls gradually with shank 23, and allow contact site 22 and the shank 23 can be in the groove 31 of connector 30 with diastrophic state embedding group, be embedded in groove 31 cell walls of connector 30 up to the blocking part 26 of terminal 20, and the weld part 24 of terminal 20 and location division 25 lower edges all fasten groove 31 outer rims in connector 30, simultaneously, its hook part 221 of terminal 20 mats is colluded and is established the flexible circuit board 32 that connector 30 is installed, and is welded on the circuit board and terminal 20 is welded in the projection 241 that does not show terminal 20 on the circuit board on the drawing with projection 241.

The effect that the utlity model has is as follows;

One is provided with a lateral register section 25 by the base portion 21 at terminal 20, and location division 25 Be same level with the root edge of weld part 24, therefore, terminal 20 embedding groups are in the groove 31 of connector 30 The time, weld part 24 and location division 25 lower edges of terminal 20 all can fasten the groove 31 in connector 30 Outer rim, and allow terminal 20 embedding groups when the groove 31 of connector 30, have the firm effect in location.

Its two, terminal 20 utilizes the inboard of contact site 22 to be inclined plane 222, and inclined plane 222 is By hook part 221 oblique base portions 21, so that contact site 22 is lower by hook part 221 towards base portion 21 Narrow wide shape, when the cell wall that can allow contact site 22 be subjected to groove 31 by this structure is supported, terminal 20 Contact site 22 can have better elastic deformation amount, allow the hook part 221 of contact site 22 can obtain with Contact area that flexible circuit board 32 is tighter, and be minimized the resistance value of terminal 20 and reduce signal Loss.

Its three, utilize the pedestal 21 at terminal 20 to join lower with weld part 24 and location division 25 respectively Edge is provided with blocking part 26, so when terminal 20 embedding groups during in the groove 31 of connector 30, blocking part 26 can be embedded in groove 31 cell walls of connector 30, allow recessed in connector 30 of terminal 20 embedding groups Has the firm effect in location during groove 31.

Its four, utilize weld part 24 apical margins at terminal 20 to be provided with a projection 241, and when terminal 2 0 is welded in the process of circuit board with projection 241, only with projection 241 wiping rosin water tin sticky, and Can guarantee not have and allow rosin take place towards the infiltration situation of the contact site 22 of terminal 20, so not Have on contact site 22 that tin is attached to terminal 20 and the shank 23 and cause short circuit phenomenon.

In this mandatory declaration be, the resistance value of general conductor and the sectional area of conductor are inversely proportional to, and with length, the electrical conductivity of conductor be direct ratio, conductor at this is a terminal 20, and the electrical conductivity of the length of terminal 20 and its material is a fixed numbers, therefore, can reduce the resistance value of terminal 20 when the axial average cross-section of the contact site 22 of terminal 20 more after a little while.

Claims

1, a kind of connector terminal structure, this terminal includes base portion, contact site, shank and weld part, this terminal mat contact site and shank embedding group are in the groove of connector, and the weld part of this terminal fastens the groove groove edge in connector, this weld part is welded on the circuit board, and the end of this contact site is provided with the hook part, and the flexible circuit board of establishing connector is colluded in this terminal mat hook part, it is characterized in that:

The base portion of this terminal is provided with the location division with respect to this weld part, and this location division fastens the groove groove edge in connector, be the inclined plane in the contact site inboard of terminal, and this contact site is bottom-narrow and top-wide state by the hook part towards base portion.

2, connector terminal structure according to claim 1 is characterized in that being provided with blocking part respectively and between weld part and the location division at the pedestal of this terminal, and this terminal is embedded in the groove of connector with blocking part.

3, connector terminal structure according to claim 1 is characterized in that this terminal is provided with projection in weld part, and this terminal is welded on the circuit board with projection.