CN2741220Y

CN2741220Y - Pressed conductive terminals

Info

Publication number: CN2741220Y
Application number: CNU2004201048029U
Authority: CN
Inventors: 徐祥
Original assignee: Shanghai Moshi Connector Co Ltd; Molex LLC
Current assignee: Shanghai Moshi Connector Co Ltd; Molex LLC
Priority date: 2004-09-10
Filing date: 2004-09-10
Publication date: 2005-11-16
Anticipated expiration: 2014-09-10
Also published as: WO2006031478A1

Abstract

The utility model relates to a pressed conductive terminal which comprises a contact element, an electrically connecting element and an elastic assembly; the contact element is columnar, and a flange is arranged on the contact element; the electrically connecting element comprises at least two sleeve barrels; a first sleeve barrel is movably arranged inside a second sleeve barrel; the back end of the first sleeve barrel is connected to the front port of the second sleeve barrel, and the back port of the second sleeve barrel is provided with a back cover; the contact element is arranged inside the first sleeve barrel, and the front end of the contact element extends out of the first sleeve barrel; the flange of the contact element is fastened on the front port of the first sleeve barrel; the elastic assembly is arranged in the inner cavity of the sleeve barrel, and the two ends of the elastic assembly respectively abut the contact element and the inner wall of the back cover; both the contact element and the first sleeve barrel can be pressed downward inside the second sleeve barrel through the elastic element; The utility model has the advantages that both the contact element and the sleeve barrel can flex through a multi-section type sleeve barrel, the compression amount of the contact element canbe increased in limited compression space, and the height of the conductive terminals can be reduced effectively; furthermore, electrical connection of the conductive terminals and electronic elements can be better ensured through enhancing the pressing force between the conductive terminals and the electronic elements.

Description

The compression joint type conducting terminal

Technical field

The utility model relates to a kind of compression joint type conducting terminal, refers to a kind of probe that can be used as test contacts especially, or is used to electrically connect the compression joint type conducting terminal of stream oriented device.

Background technology

The compression joint type conducting terminal is usually used in electrically connecting in the electronic product stream oriented device, as the electric connection of cell panel in the mobile phone.See also Fig. 1, known compression joint type conducting terminal, can be used as the probe of test contacts, or be used to electrically connect stream oriented device, it includes a sleeve 10, one touches an element 20 and a flexible member 30, sleeve 10 adopts two formula designs, promptly this sleeve 10 is made of first body 101 and second body 102, first body 101 is hollow columnar, before it, back two ends are the opening shape, and promptly first body, 101 front ends have one first opening 1011, first body, 101 rear ends have one second opening 1012, first opening, 1011 internal diameters are less than sleeve 10 internal diameters, make first opening 1011 form the sudden contraction shape, and first opening 1011 takes shape in first body, 101 front ends in advance.

Second body 102 is second opening, the 1012 corresponding columns with first body, 101 rear ends, second body 102 is being touched after element 20 and flexible member 30 insert sleeve 10 inside, be connected in second opening 1012 of first body, 101 rear ends in the tight fit mode, in order to sealing first body, 101 rear ends, certain second body 102 also can utilize alternate manner such as be spirally connected to be connected in this first body, 101 rear ends; Sleeve 10 is electrically connected on the circuit board.

When touching after element 20 and flexible member 30 successively insert sleeve 10 inside, second body 102 can be connected in second opening 104 of first body, 101 rear ends in modes such as tight fits, in order to seal this first body, 101 rear ends, and flexible member 30 touches between the element 20 between second body 102 of sleeve 10 and this, touches element 20 and makes the contact site elasticity of its front end stretch out sleeve 10 front ends by flexible member 30 pushing tows.

When electronic components such as battery are inserted electronic product, after battery is crimped on the top that touches element 20, under the effect of flexible member 30, touches element 20 and press to sleeve 10 inside, simultaneously, circuit electrically connects in battery and the electronic product; But, miniaturization, slimming along with electronic product, existing compression joint type conducting terminal since be subjected to its sleeve height limit, can't satisfy the decrement that in limited compression stroke, increases contact element, and the height that further reduces conducting terminal, thereby influenced miniaturization, the slimming development of electronic product.

Summary of the invention

Main purpose of the present utility model is to provide a kind of compression joint type conducting terminal, can in limited compression stroke, increase the decrement of contact element, and effectively reduce the conducting terminal height, and, the conducting terminal and the crimp force of the electronic component of crimping with it can be strengthened, the electric connection of conducting terminal and other former devices can be guaranteed better.

For reaching above-mentioned purpose, the compression joint type conducting terminal that the utility model provides comprises, contact element, and it is a column structure, outer surface is provided with flange; By at least two sleeve mutual sheathed compositions, one of them sleeve is mutually sheathed with the contact element flange, and another sleeve is connected with a bonnet; One elastic parts comprises first flexible member at least, and this elastic parts is arranged at two barrel bores, and an end is resisted against contact element, and the other end is resisted against the bonnet inwall; Contact element makes its front end elasticity stretch out sleeve by this flexible member pushing tow.

Further, electric connection element of the present utility model is made up of at least two sleeves, these two sleeves are hollow structure, and rear and front end opening, first sleeve are movably set in second sleeve, first sleeve rear end is buckled in the second barrel forward end mouth, and the second sleeve rear end mouth is provided with a bonnet; Described contact element is arranged in first sleeve, and the contact element front end stretches out first sleeve, and its flange is buckled in the first barrel forward end mouth.

Elastic parts of the present utility model also is provided with one second flexible member, this second flexible member is provided with in second sleeve, the one end and the first sleeve bottom outer wall offset, and the other end is resisted against the bonnet inwall, and an end of first flexible member and the first sleeve bottom interior wall offset.

In addition, elastic parts of the present utility model also is provided with one second flexible member, and this second flexible member is provided with in second sleeve, is sheathed on outside first flexible member, and the one end and first sleeve offset, and the other end is resisted against the bonnet inwall.

Described contact element is a hollow structure, and described first flexible member, one end stretches into wherein.

Described bonnet and the sleeve structure that is formed in one.

Described bonnet can also be fixed on the electronic component.

According to actual needs, the sleeve of conducting terminal also can be provided with more piece, promptly wants the sheathed formation of a plurality of sleeves, and sleeve and sleeve are the extension type structure.

Advantage of the present utility model is, by the multi-section type sleeve, contact element, two sleeves can be stretched, and effectively reduces the height of whole conducting terminal; Simultaneously,, the crimp force of conducting terminal is strengthened, can guarantee the electric connection performance of conducting terminal and other former devices better by increasing by second flexible member.

Description of drawings

Fig. 1 is the cutaway view of known compression joint type conducting terminal.

Fig. 2 a～2c is the structural representation of the utility model first embodiment.

Fig. 3 is the three-dimensional exploded view of the utility model first embodiment.

Fig. 4 is the cutaway view of the utility model second embodiment.

Fig. 5 is the cutaway view of the utility model the 3rd embodiment.

Fig. 6 is the cutaway view of the utility model the 4th embodiment.

Fig. 7 is the cutaway view of the utility model the 5th embodiment.

Fig. 8 is the three-dimensional exploded view of the utility model the 3rd embodiment.

Fig. 9 is the three-dimensional exploded view of the utility model the 5th embodiment.

Embodiment

See also Fig. 2 a～Fig. 2 c, Fig. 3, the compression joint type conducting terminal that the utility model provides comprises, contact element 1, and it is a column structure, and the one end contacts with contact site as electronic components such as battery, antennas, and relative other end outer surface has flange 11; Electrically connect element 2, by two sleeves is first sleeve 21, second sleeve 22 is formed, these two

sleeves

21,22 is hollow structure, first sleeve, 21 rear and front ends have front port 211, rear port 212, second sleeve, 22 front ports 221, rear port 222, front port 211,221 internal diameters are all less than each

sleeve

21,22 internal diameters, front port 221 internal diameters of second sleeve 22 equate with the external diameter of first sleeve 21, first sleeve 21 is movably set in second sleeve 22, extended second sleeve 22 of leading section, first sleeve, 21 rearward end are provided with flange 213, are buckled in second sleeve, 22 front ports, 221 inner edges, and second sleeve, 22 rear ports 222 are provided with a bonnet 3; Described contact element 1 is arranged in first sleeve 21, contact element 1 front end stretches out first sleeve 21, its external diameter equates with the internal diameter of this sleeve 21, makes this contact element 1 be able to activity and is matched with sleeve 21 inside freely, and its flange 11 is buckled in first sleeve, 21 front ports 211; Elastic parts 4, it comprises first flexible member, and this elastic parts 4 is arranged at two sleeves, 21,22 inner chambers, and an end is resisted against contact element 1 bottom 12, and the other end is resisted against bonnet 3 inwalls 31; Contact element 1 makes its front end elasticity stretch out first sleeve 21 by these elastic parts 4 pushing tows; Bonnet 3 can be fixed on the electronic components such as circuit board by welding manner, makes second sleeve 22 be fixed and be electrically connected on the electronic components such as this circuit board.

When electronic element press connections such as battery behind the top of contact element 1, under the i.e. effect of first flexible member of elastic parts 4, this contact element 1 can press in first sleeve 21, its top can be mutually concordant with first sleeve, 21 front ports 211; Simultaneously, first sleeve 21 also presses in second sleeve 22 under the i.e. effect of first flexible member of elastic parts 4, maximum to the mutually concordant position of second sleeve, 22 front ports 221, so, in traditional compression joint type conducting terminal, its compression stroke can increase greatly to.

All right other frame modes of contact element of the present utility model and sleeve describe in detail below in conjunction with accompanying drawing.

See also Fig. 4, described compression joint type conducting terminal, described contact element 1 is a hollow structure, described elastic parts 4 i.e. first flexible member, one end stretches into wherein, makes the stressed even more, stable of contact element 1.

See also Fig. 5, Fig. 8 again, the compression joint type conducting terminal that the utility model provides also is provided with one second flexible member, 5, the first sleeves 21 and is provided with a bottom 214; This second flexible member 5 is provided with in second sleeve 22, and one end and first sleeve, 21 bottoms, 214 outer walls offset, and the other end is resisted against bonnet 3 inwalls 31, and an end of elastic parts 4 and first sleeve, 21 bottoms, 214 inwalls offset;

Be crimped on the top of contact element 1 when elements such as batteries after, be that this contact element 1 can press in first sleeve 21 under the effect of first flexible member at elastic parts 4, its top can be mutually concordant with first sleeve, 21 front ports 211; Simultaneously, first sleeve 21 presses down second flexible member 5 that is provided with in second sleeve 22, and first sleeve 21 can be pressed in second sleeve 22, maximum to the mutually concordant position of second sleeve, 22 front ports 221.So, in traditional compression joint type conducting terminal, its compression stroke can increase greatly to.

Referring to Fig. 6, shown in also for being provided with one second flexible member, 5 conducting terminals, the difference of itself and conducting terminal shown in Figure 5 is that described contact element 1 is a hollow structure, elastic parts 4 i.e. first flexible member, one end stretches into wherein.

See also Fig. 7, Fig. 9 again, elastic parts 4 of the present utility model also is provided with one second flexible member 5, and this second flexible member 5 is provided with in second sleeve 22, is sheathed on outside first flexible member of elastic parts 4, the one end and first sleeve 21 offset, and the other end is resisted against bonnet 3 inwalls.

Be crimped on the top of contact element 1 when elements such as batteries after, at elastic parts 4 is under the effect of first flexible member, this contact element 1 can press down first sleeve 21 to mutually concordant with the one end, simultaneously, first sleeve 21 presses down second flexible member 5 that is provided with in second sleeve 22, first sleeve 21 can be pressed in second sleeve 22, maximum to the mutually concordant position of second sleeve, 22 front ends; Because i.e. first flexible member, 5 actings in conjunction of second flexible member of elastic parts 4 of two flexible members are arranged, and the crimping performance of the conducting terminal of this structure is further strengthened, and conducting terminal is electrically contacted better with other interelements.

Claims

1. the compression joint type conducting terminal is fixed on the electronic component, it is characterized in that, comprise,

Contact element, it is a column structure, outer surface is provided with flange;

Electrically connect element, by at least two sleeve mutual sheathed compositions, one of them sleeve is mutually sheathed with the contact element flange, and another sleeve is connected with a bonnet;

One elastic parts comprises first flexible member at least, and this elastic parts is arranged at barrel bore, and an end is resisted against contact element, and the other end is resisted against the bonnet inwall; Contact element makes its front end elasticity stretch out sleeve by this flexible member pushing tow.

2. compression joint type conducting terminal as claimed in claim 1, it is characterized in that, described electric connection element, be made up of at least two sleeves, these two sleeves are hollow structure, the rear and front end opening, the front port internal diameter is less than sleeve diameter, first sleeve is movably set in second sleeve, and first sleeve rear end is buckled in the second barrel forward end mouth, and the second sleeve rear end mouth is provided with a bonnet; Described contact element is arranged in first sleeve, and the contact element front end stretches out first sleeve, and its flange is buckled in the first barrel forward end mouth.

3. compression joint type conducting terminal as claimed in claim 1, it is characterized in that, described elastic parts also is provided with one second flexible member, this second flexible member is provided with in second sleeve, the one end and the first sleeve bottom outer wall offset, the other end is resisted against the bonnet inwall, and an end of first flexible member and the first sleeve bottom interior wall offset.

4. compression joint type conducting terminal as claimed in claim 1 is characterized in that, described elastic parts also is provided with one second flexible member, this second flexible member is provided with in second sleeve, be sheathed on outside first flexible member, the one end and first sleeve offset, and the other end is resisted against the bonnet inwall.

5. compression joint type conducting terminal as claimed in claim 1 or 2 is characterized in that, described contact element is a hollow structure, and described first flexible member, one end stretches into wherein.

6. compression joint type conducting terminal as claimed in claim 1 or 2 is characterized in that, described bonnet and the sleeve structure that is formed in one.

7. compression joint type conducting terminal as claimed in claim 1 or 2 is characterized in that described bonnet is fixed on the electronic component.