CN2687862Y

CN2687862Y - Pressing type conductive terminal device

Info

Publication number: CN2687862Y
Application number: CNU2004200015140U
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: 2004-01-09
Filing date: 2004-01-09
Publication date: 2005-03-23
Anticipated expiration: 2014-01-09
Also published as: WO2005071798A1

Abstract

The utility model discloses a pressing type conductive terminal device, comprising a plastic package body, a base, a contact piece, and an elastic piece. The plastic package body is provided with a columnar through hole whose front end and back end are provided with a first opening and a second opening respectively, the contact piece is provided with a front end and a back end, and the back end of the contact piece and the elastic piece are contained in the through hole; one end of the elastic piece bunts against the contact piece to make the front end of the contact piece penetrate through the first opening to extend out of the front end of the plastic package body; the base is provided with two lateral wings and base part and seal off the second opening at the back end of the through hole; the back end of the contact piece is contained between the two lateral wings of the base, and the outer wall of the back end of the contact piece contacts with the inner walls of the two lateral wings through a sliding connection. Hence, the pressing type conductive terminal device omits the original metal housing and obtains the advantages of material saving, weight reduction, and cost reduction, and by utilizing the two extending lateral wings of the base to transmit signals, a better effect of signal transmission is achieved.

Description

Compression joint type conducting terminal device

Technical field

The utility model is about a kind of compression joint type conducting terminal device, be meant especially and a kind ofly can be used as the probe of test contacts or be used to electrically connect stream oriented device, it is omitted metal shell, can save material, weight reduction, reduce cost, and can utilize the compression joint type conducting terminal device of two flank transmission signals of base extension.

Background technology

See also Fig. 1, existing compression joint type conducting terminal, can be used as the probe of test contacts, or be used to electrically connect stream oriented device, this compression joint type conducting terminal includes a housing 10a, a contact element 20a and an

elastic component

30a, and 10a is one-body molded by metal material for this housing, is hollow columnar, this housing 10a front end is the opening shape, and the rear end is a closed.This contact element 20a is also made by metal material, this elastic component 30a and this contact element 20a insert this housing 10a inside by this housing 10a front end successively, then this housing 10a front end being given riveted makes and forms a less opening 11a, by means of this less opening 11a this contact element 20a and this elastic component 30a are positioned this housing 10a inside, and this contact element 20a front end passes this opening 11a, and makes this contact element 20a front end elasticity stretch out this housing 10a front end by this elastic component 30a pushing tow.

Above-mentioned compression joint type conducting terminal can insert also that (as shown in Figure 2) encapsulates among the perforation 41a of a plastic packaging body 40a.In addition, generally be with a pair of compression joint type conducting terminal insert side by side plastic packaging body 40a correspondence two the perforation 41a in (as shown in Figure 3) encapsulate so that transmit positive and negative power supply etc.

When reality is used, this housing 10a rear end can utilize surface installation technique (SMT) or perforation (through hole) mode to fix and be electrically connected on the circuit board, this contact element 20a front end then can be crimped on the contact of desiring to test, signal on this contact can be passed on the circuit board, thus the work of testing.In addition, this housing 10a rear end also can be electrically connected at a device, and this contact element 20a front end is crimped on another device, and reaches the effect that this stream oriented device electrically connects.

But above-mentioned existing compression joint type conducting terminal has adopted metal shell 10a, need to use more metal material, and weight is heavier, causes the increase of cost, and housing 10a front end need give riveted, and is time-consuming, installs to be not easy.

In addition, the opening 11a of this metal shell 10a front end forms in the riveted mode, and the aperture of this opening 11a is wayward, there is the excessive or too small situation in aperture to take place easily, the excessive cun contact element 20a in aperture becomes flexible easily, rocks, and contact element 20a elasticity was obstructed when the aperture was too small, is difficult to flexible smoothly.

As from the foregoing, above-mentioned existing compression joint type conducting terminal on reality is used, obviously has inconvenience and exists with defective, and remain to be improved.

Therefore, this creator still remains to be improved thoughts on above-mentioned defective, is concentrate on studies and cooperate the utilization of scientific principle, proposes a kind of reasonable in design and effectively improve the utility model of above-mentioned defective finally.

Summary of the invention

Main purpose of the present utility model is to provide a kind of compression joint type conducting terminal device, it can be omitted the metal shell in the prior art, utilize the through-hole wall substituted metal housing of plastic packaging body, so can omit original metal shell, effectively save material, weight reduction reduces cost, and the two flank transmission signals that can utilize base to extend can have preferable signal laser propagation effect.

Another purpose of the present utility model is to provide a kind of compression joint type conducting terminal device, its can be on plastic packaging body ejection formation opening in advance, so the aperture of opening is more easy to control, does not have excessive or too small situation and take place.

In order to reach above-mentioned purpose, the utility model provides a kind of compression joint type conducting terminal device, and it includes: a plastic packaging body, and it is provided with at least one column through hole, and this through hole front end and rear end have one first opening and one second opening respectively; At least one contact element, it has a leading section and a rearward end, and the external diameter of this rearward end is slightly larger than the external diameter of this leading section, and this rearward end is placed in this through hole inside; At least one elastic component, it is placed in this through hole inside, and the one end makes the leading section of this contact element pass this first opening and stretch out the plastic packaging body front end against this contact element; And at least one base, it has two flanks and a base portion, two flanks one from the base portion is extended, this base seals second opening of this through hole back-end, the rearward end of this contact element is placed between two flanks of this base, the rearward end outer wall of this contact element and with the slipping of two flank inwall contacts of base.

Compression joint type conducting terminal device of the present utility model has characteristics as described below:

By as above improving, it utilizes the through-hole wall of plastic packaging body to replace the metal shell of prior art, so can omit original metal shell, effectively save material, simplified construction, weight reduction, and reduce cost, and two flanks that the utility model can utilize base to extend contact with contact element, and signal can directly be passed on base and the circuit board by contact element, can have preferable signal laser propagation effect.

In addition, the stop section of plastic packaging body front end of the present utility model and opening and plastic packaging body one be ejection formation in advance, do not need to carry out again the secondary operations of metal shell front end riveted,, do not have excessive or too small situation and take place so the aperture of the opening of plastic packaging body front end is more easy to control.

Description of drawings

For further setting forth the utility model is to reach technological means and the effect that predetermined purpose is taked, see also following about detailed description of the present utility model and accompanying drawing, yet accompanying drawing only provide with reference to and usefulness is described, be not to be used for the utility model is limited.

Fig. 1 is the cutaway view of existing compression joint type conducting terminal (no plastic packaging body);

Fig. 2 is the whole cutaway view of existing compression joint type conducting terminal;

Fig. 3 is the whole cutaway view of existing a pair of compression joint type conducting terminal;

Fig. 4 is the three-dimensional exploded view of the utility model compression joint type conducting terminal device;

Fig. 5 is the three-dimensional combination figure of the utility model compression joint type conducting terminal device;

Fig. 6 is the three-dimensional combination figure of another angle of the utility model compression joint type conducting terminal device;

Fig. 7 is the front view of the utility model compression joint type conducting terminal device;

Fig. 8 is the 8-8 cutaway view of Fig. 7;

Fig. 9 is the partly three-dimensional exploded view of assembly of the utility model compression joint type conducting terminal device.

Embodiment

See also Fig. 4 to Fig. 9, the utility model is about a kind of compression joint type conducting terminal device, this compression joint type conducting terminal device includes a plastic packaging body 10, at least one base 20, at least one contact element 30 and at least one elastic component 40, wherein this plastic packaging body 10 is made by plastic material, offer at least one column through hole 11 on it, this through hole 11 is through to plastic packaging body 10 front ends and rear end.This through hole 11 has one first opening 111 at the front end of plastic packaging body 10, has one second opening 112 in the rear end of this plastic packaging body 10, these first opening, 111 internal diameters are less than the internal diameter of through hole 11, make this first opening 111 be the sudden contraction shape and form the stop section 113 that a rearward end 32 that is used for preventing contact element 30 is deviate from the through hole 11, this stop section 113 is shaped in its front end with this plastic packaging body 10, thus pore size that can this first opening 111 of convenient control.

This contact element 30 is made by conductivity good metal material, it places this through hole 11 inside, this contact element 30 is hollow shape or solid shape, this contact element 30 is made up of greater than first opening, 111 internal diameters and less than the rearward end 32 of through hole 11 internal diameters less than the leading section 31 and the external diameter of first opening, 111 internal diameters external diameter, the external diameter of this rearward end 32 is slightly larger than the external diameter of this leading section 31, these contact element 30 movable through hole 11 inside that are matched with this plastic packaging body 10 freely.The rearward end 32 of this contact element 30 is arranged at this through hole 11 inside, and the leading section 31 of this contact element 30 can pass this first opening 111 and stretch out plastic packaging body 10 front ends.

This elastic component 40 is a compression spring, this elastic component 40 is arranged at through hole 11 inside, the one end is against these contact element 30 inside, and the other end can make leading section 31 elasticity of contact element 30 stretch out this plastic packaging body 10 front ends by these elastic component 40 pushing tows against the base portion 22 of this base 20.

This base 20 is made by conductivity good metal material, and it has two

flanks

21 and 22, two flanks 21 of base portion one from the base portion 22 and extends upward, and has interference parts 23 such as some small interference protrusion or burr on the side of flank 21.At second opening, 112 places of this plastic packaging body 10 along the flank 21 corresponding inner groovies 114 of axially offering twice and base 20 of through hole 11 in the both sides in hole.Two flanks 21 of this base 20 insert in two inner groovies 114, and can be fastened in this inner groovy 114 by the interference part 23 on these two flanks, 21 sides.Flank 21 extends suitable length near first opening, 111 places, and the length of flank 21 needs to provide the rearward end 32 of this contact element 30 enough sliding strokes.

During installation, behind this contact element 30 and elastic component 40 priority receiving through-holes 11 inside, again the flank 21 of this base 20 being aimed at inner groovy 114 inserts, by the interference effect between flank 21 and the inner groovy 114, finally this base 20 can be connected in second opening 112 of this plastic packaging body 10, be used for sealing second opening 112 of through hole 11 rear ends of this plastic packaging body 10, and this elastic component 40 is between base 20 and contact element 30, this contact element 30 can make its leading section 31 pass this first opening 111 by means of elastic component 40 pushing tows and elasticity is stretched out plastic packaging body 10 front ends, and the rearward end 32 of this contact element 30 is placed between two flanks 21 of this base 20, rearward end 32 outer walls of this contact element 30 and with the slipping of two flank 21 inwall contacts of base 20, make contact element 30 and base 20 reach electric connection, contact element 30 is movable this plastic packaging body 10 and base 20 inside of being matched with freely; Form compression joint type conducting terminal device of the present utility model by above-mentioned composition.

These base 20 rear ends can optionally form a Plug Division or a weld part, make these base 20 rear ends can utilize this Plug Division to be plugged on the circuit board in the default perforation, and be fixed on the circuit board in perforation (through hole) mode, or utilize this weld part to be fixed on the circuit board with surface installation technique (SMT), make this conducting terminal be fixed and be electrically connected on this circuit board.

These contact element 30 front ends then can be crimped on the contact of desiring to test, make signal on this contact except being passed to base 20 and the circuit board by contact element 30, elastic component 40, also can directly be passed on base 20 and the circuit board by contact element 30, thus the work of testing.

In addition, these base 20 rear ends also can be electrically connected at a device, and these contact element 30 front ends are crimped on another device, and reach the effect that this stream oriented device electrically connects.

By as above improving, it utilizes through hole 11 inwalls of plastic packaging body 10 to replace the metal shell of prior art, so can omit original metal shell, effectively save material, simplified construction, weight reduction, and reduce cost, and two flanks 21 that the utility model can utilize base 20 to extend contact with contact element 30, and signal can directly be passed on base 20 and the circuit board by contact element 30, can have preferable signal laser propagation effect.

In addition, the stop section 113 of plastic packaging body 10 front ends of the present utility model and opening 111 and plastic packaging body 10 one are ejection formation in advance, do not need to carry out again the secondary operations of metal shell front end riveted, so the aperture of the opening 111 of plastic packaging body 10 front ends is more easy to control, does not have excessive or too small situation and take place.

In sum, the utility model is a rare utility model product in fact, has practicality on the industry, novelty and creativeness, meet the utility application important document fully, now file an application, would like to ask detailed survey and ratify this case patent, to ensure creator's rights and interests according to Patent Law.

But, the above only is preferred feasible embodiment of the present utility model, be not therefore to arrest limit feature of the present utility model and claim, so the equivalent structure that every those of ordinary skill in the art uses the disclosed design of the utility model to be carried out changes, and all should be contained in the claim of the present utility model.

Claims

1, a kind of compression joint type conducting terminal device, it is characterized in that: it comprises a plastic packaging body, at least one contact element, at least one elastic component and at least one base, this plastic packaging body is provided with at least one column through hole, and this through hole front end and rear end have one first opening and one second opening respectively; This contact element has a leading section and a rearward end, and the external diameter of this rearward end is slightly larger than the external diameter of this leading section, and this rearward end is placed in this through hole inside; This elastic component is placed in this through hole inside, and the one end makes the leading section of this contact element pass this first opening and stretch out the plastic packaging body front end against this contact element; This base has two flanks and a base portion, two flanks one from the base portion is extended, this base seals second opening of this through hole back-end, and the rearward end of this contact element is placed between two flanks of this base, the rearward end outer wall of this contact element and with the slipping of two flank inwall contacts of base.

2, compression joint type conducting terminal device as claimed in claim 1 is characterized in that: first opening part of this plastic packaging body is provided with the stop section that a rearward end that prevents contact element is deviate from the through hole.

3, compression joint type conducting terminal device as claimed in claim 2 is characterized in that: this stop section and this Plastic Package body by integral forming.

4, compression joint type conducting terminal device as claimed in claim 1, it is characterized in that: on this plastic packaging body near second opening part, offer the twice inner groovy along the axial of this through hole in the both sides in hole, two flanks of this base are corresponding with this two inner groovy, and are fastened in this two inner groovy.

5, compression joint type conducting terminal device as claimed in claim 4, it is characterized in that: two flanks of this base are provided with the interference part that is used for this inner groovy interference engagement.

6, compression joint type conducting terminal device as claimed in claim 1 is characterized in that: two flanks of this base extend near this first opening part, and the length of this two flank needs to provide the enough sliding strokes of rearward end of this contact element.

7, compression joint type conducting terminal device as claimed in claim 1, it is characterized in that: this elastic component is a spring.