CN2785176Y

CN2785176Y - Board-to-board main socket connector

Info

Publication number: CN2785176Y
Application number: CNU2005200543803U
Authority: CN
Inventors: 潘政民; 狄建林; 邓白频
Original assignee: SHENZHEN TAIRUIMEI PRECISION COMPONENTS CO Ltd
Current assignee: Shenzhen Meiou Electronics Co Ltd
Priority date: 2005-01-26
Filing date: 2005-01-26
Publication date: 2006-05-31
Anticipated expiration: 2015-01-26

Abstract

A board-to-board main socket connector comprises an isolation body and a plurality of conductive terminals. The isolation body comprises a projection, a major-assembly pore and a terminal elasticity abdication division. The conductive terminal comprises a main body division, a welding division and a main clamping division chucked to the major-assembly pore of the isolation body tightly and a contacting division. In addition, the isolation body also comprises an auxiliary assembly slot, and the conductive terminal also comprises an auxiliary clamping division which is tightly chucked to the auxiliary assembly slot of the isolation body. At least one side of the auxiliary clamping division of the conductive terminal is provided with a projection fixation interference division, the auxiliary assembly slot of the isolation body is correspondingly provided with steps in it, and hooks of the steps are matched with buttons. The utility model is improved to form a double-side hold fixed mode, and the terminal can not deflect in order to satisfy the requirement of the coplanar degree. The buttons of the projection fixation interference division are correspondingly matched with the hooks of the steps of the auxiliary assembly slot to increase the extracting confining force of the terminaleffectively. When board-to-board main socket connector is assembled, there is a sound which can indicate a proper assembly, when the projection fixation interference division is flipped into the steps on the isolation body.

Description

The plate-to-plate master socket connector

[technical field]

The utility model relates to a kind of board to board connector, relates in particular to a kind of plate-to-plate master socket connector.

[background technology]

Along with consumption electronic products constantly towards gently, thin, short, little direction develops, for example in mobile units such as mobile phone and PDA and digital camera, miniaturization and portable design corresponding to mobile unit, just require the connector size to dwindle and have thin section (low-profile) feature, in addition, the multifunctionality of mobile communication development, therefore, the electronic devices and components packaging density that is installed on the circuit board increases, just need the corresponding accurate plug and socket terminal of arranging, therefore constantly arranging density between the reduction terminal and plug guarantee simultaneously that with the engagement height of socket terminal can keep stable coplane degree and extract confining force just becoming the direction of studying in the industry at present in the space of limitation.

As shown in Figure 1, it is a kind of female seat connector that Chinese patent ZL discloses for No. 03225999.9, wherein the first terminal of the socket 1 of this female seat connector is by the moulding of metal sheet bar stock cutting by punching, has rigid base 21, base portion 21 1 ends continue to extend first weld part 22 at its bearing of trend, holding parts 23 approximate vertical base portions 21, and holding parts 23 is provided with barb 24, the hangnail that barb 24 described herein promptly is generally called in the industry.Base portion 21 other ends then bend and almost parallel holding parts 23 to extend upward first elastic contact part, 25, the first contact sites, 25 free ends be the contact head 26 that raises up.This first terminal is installed in the first terminal groove 15, its terminal holding parts 23 cooperates fixing with corresponding installing hole 16 in the insulating body side wall 12, first elastic contact part 25 is placed in the accepting hole 17, and the embeded slot 13 between the both walls 12 is ccontaining for corresponding male seat connector, to reach the purpose of use.Yet, the terminal barb 24 of this patent is interfered fixing with insulating body installing hole 16 inboard single-points, in assembling process, metal barb 24 will be stabbed the inwall of pilot hole 16, add the single-point contact, terminal is very easily swung, cause terminal supportor 22 coplane degrees bad, yet carrying out SMT (surface installation technique, when surface mounted technology) welding, coplane degree is the very crucial index of quality control, and the coplane degree of regulation is 0.05mm in the industry now, and coplane degree is overproof will to cause overflow tin and rosin joint even empty weldering phenomenon, cause the serious instability of electrical characteristic, simultaneously terminal confining force (withdrawal force of single Zhi Duanzi) will reduce significantly, in carrying out the SMT pyroprocess in addition terminal will break away from the insulating body pilot hole, in specific implementation process, be difficult to realization.

[summary of the invention]

Technical problem to be solved in the utility model is: a kind of plate-to-plate master socket connector is provided, and it can avoid the bad phenomenon of coplane degree.

The further technical problem to be solved of the utility model is: a kind of plate-to-plate master socket connector is provided, and it increases the withdrawal force of single Zhi Duanzi.

The further again technical problem to be solved of the utility model is: a kind of plate-to-plate master socket connector is provided, and it can increase the feel of terminal assembling, and the calibration that reduces in the tool assembling terminal process is pressed into operation highly.

For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of plate-to-plate master socket connector, it comprises an insulating body and several conducting terminals, this insulating body comprises boss, main pilot hole and the terminal elasticity portion that steps down, and this conducting terminal comprises main part, weld part, cooperates the main holding parts and the contact site of chucking with the main pilot hole of insulating body.In addition, this insulating body also comprises auxiliary fitting recess; This conducting terminal comprises that also one cooperates the auxiliary holding parts of chucking with the auxiliary fitting recess of this insulating body.

Further improvement in the technical proposal is: at least one side of the main holding parts of this conducting terminal is provided with fixedly interference part and stage portion.

Further improving again of technique scheme is: at least one side of the auxiliary holding parts of this conducting terminal is provided with protrudes fixedly interference part and pit part.

The further improvement of technique scheme is: be provided with in the auxiliary fitting recess of this insulating body and the fixing step that cooperates of the corresponding fastener in interference part of the protrusion of auxiliary holding parts end.

Compared to traditional plate-to-plate master socket connector, the utlity model has following beneficial effect: it has been broken through traditional list and has propped up retaining piece conducting terminal is fixed in mode on the insulating body, and be improved to the bilateral mode that grips, thereby fixed conductive terminals effectively, the situation of beat can not take place in terminal, thereby has satisfied the requirement of coplane degree; In addition, the protrusion of conducting terminal fixedly the corresponding fastener of step of interference part and auxiliary fitting recess cooperate and can effectively increase the confining force of extracting of single terminal; And in assembling process, protrude and can send the sound when fixing interference part springs into step on the insulating body, and show that assembling has put in place, and feel can be better during assembling, and operation is highly pressed in the calibration that reduce in the tool assembling conducting terminal process.

[description of drawings]

Fig. 1 is the profile of existing plate-to-plate master socket connector.

Fig. 2 is the three-dimensional cutaway view of the utility model plate-to-plate master socket connector first execution mode.

Fig. 3 is the section plan of the utility model plate-to-plate master socket connector.

Fig. 4 is the three-dimensional assembly diagram of a utility model plate-to-plate master socket connector and an existing male seat connector.

Fig. 5 is the cutaway view along the A-A face among Fig. 4.

Fig. 6 is the structural representation of the utility model plate-to-plate master socket connector second execution mode.

Fig. 7 is the structural representation of the utility model plate-to-plate master socket connector the 3rd execution mode.

Fig. 8 is a kind of variation of structure shown in Figure 7.

Fig. 9 is a kind of variation of structure shown in Figure 3.

[embodiment]

See also Fig. 2 and shown in Figure 3, the utility model provides a kind of plate-to-plate master socket connector, comprises an insulating body 40 and several conducting terminals 20.

Wherein, this insulating body 40 adopts the insulating material ejection formation, it is a rectangular configuration substantially, and this insulating body 40 is similar substantially to insulating body of the prior art, and its difference and crucial part are the design of the terminal pilot hole position of this insulating body 40.This insulating body 40 further comprises boss 44, main pilot hole 42, auxiliary fitting recess 41 and the terminal elasticity portion 43 that steps down, wherein, the bottom of main pilot hole 42 is provided with a prepackage hole 421, between this prepackage hole 421 and main pilot hole 42 with convergence part 422 transition of an inclined-plane or arc surface.Auxiliary fitting recess 41 is positioned on the lateral surface of insulating body 40, is flute profile formula always, then can be designed to a step 411 forms when being necessary to increase withdrawal force, and this step 411 can be connected transition with inclined-plane or arc surface.

This conducting terminal 20 comprises main part 21, weld part 22 along main part 21 extensions, the position, intermediate portion upwards is provided with a main holding parts 23, and be parallel to main holding parts 23 and be provided with the auxiliary holding parts 24 of a rubber-like, be provided with a rubber-like convergence part 25 along main part 21 to oblique the extension down of the direction opposite with weld part, convergence part 25 ends extend upward and are provided with a rubber-like contact site 26.Wherein, be provided with a stage portion 211 that prevents to climb tin between this weld part 22 and the main part 21; Further be provided with fixedly interference part 231 and stage portion 232 (all just being provided with fixedly interference part 231 and stage portion 232 shown in the figure) in a side in the one or both sides of main holding parts 23; Be provided with in the one or both sides of auxiliary holding parts 24 one protrude fixing interference part 242, be positioned at protrude fixing interference part 242 below a pit part 243 (all being to be provided with protrusion fixedly interference part 242 and pit part 243 shown in the figure) in a side, and be connected transition by an arc sections 241 between auxiliary holding parts 24 and the weld part 22; The bearing of trend of contact site 26 is substantially the same with main holding parts 23, is provided with a contact boss 261 at its terminal part, and this contact site 26 forms angles with main part 21, and this contact site 26 can produce elastic force when boss 261 is stressed.

When assembling this plate-to-plate master socket connector, conducting terminal 20 is inserted the insulating body 40 from the bottom, wherein, main holding parts 23 inserts and is clamped in the main pilot hole 42; Auxiliary 24 insertions of holding parts are clamped in the auxiliary fitting recess 41, and the protrusion of auxiliary holding parts 24 fixedly cooperates with the step 411 mutual fasteners of auxiliary fitting recess 41 interference part 242; 26 of contact sites are placed in terminal elasticity and step down in the portion 43, so then the assembling of the utility model plate-to-plate master socket connector are finished.

For clear and definite function of use of the present utility model, enumerating the utility model especially further describes with the example that an existing male seat connector cooperates, as Fig. 4 and shown in Figure 5, it is that insert moulding (insert molding) mode is combined into one that the terminal 60 of this male seat connector and insulating body 70 adopt, wherein, the contact site of this terminal 60 is provided with a bump structure 61, insulating body 70 is a hollow structure 71, the terminal that will have the package assembly of male seat (plug) connector and female seat of the present utility model (receptacle) connector respectively now is welded on respectively on the corresponding pcb board 50, when cooperating insertion, the boss 44 of female seat connector and the hollow bulb of male seat connector 71 cooperate packs into, cooperate fully with the salient point 61 of the terminal of male seat connector and the feel that snaps in is arranged up to termination contact boss 261, this is used and accomplishes the end in view.

Execution mode of the present utility model is not limited to the above-mentioned disclosed technology of first execution mode, and it still can be transformed into other execution mode.

Second execution mode of the present utility model as shown in Figure 6, its with auxiliary fitting recess 41 design of insulating body 40 in step down insulating body 40 inside between the portion 43 of main pilot hole 42 and terminal elasticity; And accordingly the auxiliary holding parts on the conducting terminal 20 24 is designed between main holding parts 23 and contact site 26, and will assist holding parts 24 to change stiff structure into, it is auxiliary fixing only to design a salient point.

The 3rd execution mode of the present utility model and for example shown in Figure 7, its auxiliary fitting recess 41 design with insulating body 40 are positioned at by terminal elasticity steps down on the medial surface of portion 43; And accordingly holding parts 24 is arranged on elastic contact part 26 1 sides of conducting terminal 20.

Fig. 8 and shown in Figure 9 for example again, it is respectively that the auxiliary holding parts 24 in Fig. 7 and the execution mode shown in Figure 3 is designed to arcuate structure, it can meet inventive concept of the present utility model equally.

In a word, everyly execution mode of the present utility model is carried out marginality revise, for example the position to auxiliary fitting recess 41 and corresponding auxiliary holding parts 24 changes, and does not all break away from invention essence of the present utility model.

Claims

1, a kind of plate-to-plate master socket connector, it comprises an insulating body and several conducting terminals, this insulating body comprises boss, main pilot hole and the terminal elasticity portion that steps down, this conducting terminal comprises main part, weld part, cooperates main holding parts and the contact site that tightens with the main pilot hole of insulating body, and it is characterized in that: this insulating body also comprises auxiliary fitting recess; This conducting terminal comprises that also one cooperates the auxiliary holding parts of chucking with the auxiliary fitting recess of this insulating body.

2, plate-to-plate master socket connector as claimed in claim 1 is characterized in that: at least one side of the main holding parts of this conducting terminal is provided with fixedly interference part and stage portion.

3, plate-to-plate master socket connector as claimed in claim 1 is characterized in that: at least one side of the auxiliary holding parts of this conducting terminal is provided with protrudes fixedly interference part and pit part.

4, plate-to-plate master socket connector as claimed in claim 3 is characterized in that: be provided with in the auxiliary fitting recess of this insulating body and the fixing step that cooperates of the corresponding fastener in interference part of the protrusion of auxiliary holding parts.

5, plate-to-plate master socket connector as claimed in claim 3 is characterized in that: be provided with an arc sections that is connected transition between this auxiliary holding parts and the weld part.

6, as claim 1,2,3,4 or 5 described plate-to-plate master socket connectors, it is characterized in that: the auxiliary fitting recess of this insulating body is positioned on the lateral surface of insulating body, and the auxiliary holding parts correspondence of conducting terminal is located at by weld part one side.

7, plate-to-plate master socket connector as claimed in claim 6 is characterized in that: the auxiliary holding parts of this conducting terminal is curved.

8, as claim 1,2,3 or 4 described plate-to-plate master socket connectors, it is characterized in that: this auxiliary fitting recess is positioned on the insulating body by terminal elasticity steps down on the medial surface of portion, and the auxiliary holding parts correspondence of conducting terminal is located at elastic contact part one side of conducting terminal.

9, plate-to-plate master socket connector as claimed in claim 8 is characterized in that: the auxiliary holding parts of this conducting terminal is curved.

10, as claim 1,2,3 or 4 described plate-to-plate master socket connectors, it is characterized in that: this auxiliary fitting recess is in step down insulating body inside between the portion of main pilot hole and terminal elasticity, and the auxiliary holding parts correspondence of conducting terminal is located between main holding parts and the contact site.