CN201421909Y

CN201421909Y - Probe needle

Info

Publication number: CN201421909Y
Application number: CN2009200545722U
Authority: CN
Inventors: 林明汉; 尹德宏
Original assignee: Foxlink Electronics Dongguan Co Ltd; Cheng Uei Precision Industry Co Ltd
Current assignee: Foxlink Electronics Dongguan Co Ltd; Cheng Uei Precision Industry Co Ltd
Priority date: 2009-04-10
Filing date: 2009-04-10
Publication date: 2010-03-10
Anticipated expiration: 2019-04-10

Abstract

The utility model discloses a probe, it includes a metal casing, a metal probe and an elastomer. The metal shell is provided with a sleeve, one end of the sleeve is bent inwards and extends to form a stopping part, the stopping part is provided with an opening, the other end of the sleeve is connected with a base, and a welding part is convexly arranged on the lower bottom surface of the base. The metal probe is provided with a sliding part and a contact part which protrudes upwards from the sliding part, the sliding part is arranged in the sleeve of the metal shell, and the contact part extends out of the metal shell from the opening. The elastic body is accommodated in the sleeve of the metal shell, one end of the elastic body is abutted against the bottom surface of the sliding part, and the other end of the elastic body is abutted against the base. Because the protruding weld part of establishing of bottom surface under telescopic base makes the utility model discloses a process that the probe welded the circuit board is simple, low in production cost, and can reduce and the circuit board between the impedance.

Description

probe

技术领域 technical field

本实用新型涉及一种连接器技术，尤其涉及一种用作连接器的探针。The utility model relates to a connector technology, in particular to a probe used as a connector.

背景技术 Background technique

请参阅图5，一种现有探针100’具有一金属壳体1’、一金属探针2’和一弹性体3’。该金属壳体1’具有一套筒11’，套筒11’的底部连接有一封闭的底座14’，套筒11’的顶端向内弯折延伸形成有一止挡部12’，止挡部12’具有一开口13’；金属探针2’具有一滑动部22’及一由该滑动部22’向上凸伸出的接触部21’，滑动部22’装设于金属壳体1’的套筒11’内，接触部21’从开口13’伸出金属壳体1’外；弹性体3’收容于金属壳体1’的套筒11’内，弹性体3’的一端抵触于滑动部22’的底面，另一端抵顶于底座14’上。Referring to FIG. 5, a conventional probe 100' has a metal shell 1', a metal probe 2' and an elastic body 3'. The metal shell 1' has a sleeve 11', the bottom of the sleeve 11' is connected with a closed base 14', and the top end of the sleeve 11' is bent inward to form a stopper 12', the stopper 12 'has an opening 13'; the metal probe 2' has a sliding part 22' and a contact part 21' protruding upward from the sliding part 22', and the sliding part 22' is installed on the sleeve of the metal shell 1' In the barrel 11', the contact part 21' protrudes from the opening 13' out of the metal shell 1'; the elastic body 3' is accommodated in the sleeve 11' of the metal shell 1', and one end of the elastic body 3' is in contact with the sliding part 22', and the other end abuts against the base 14'.

然而，上述探针100’在焊接到电路板时，由于金属壳体1’处未设有焊接部，故需另外加装转接片，使得产品生产成本较高、工序较复杂，而且加装转接片使得探针增加阻抗，影响探针的质量。However, when the above-mentioned probe 100' is welded to the circuit board, because there is no welding part at the metal shell 1', an additional adapter piece needs to be installed, which makes the production cost of the product higher and the process more complicated. The adapter piece increases the impedance of the probe and affects the quality of the probe.

实用新型内容 Utility model content

本实用新型的主要目的是针对上述现有技术存在的缺陷提供一种探针，该探针焊接到电路板的工序简单、生产成本低，且可降低与电路板之间的阻抗。The main purpose of the utility model is to provide a probe for the defects of the above-mentioned prior art. The process of soldering the probe to the circuit board is simple, the production cost is low, and the impedance between the probe and the circuit board can be reduced.

为实现上述目的，本实用新型探针具有一金属壳体、一金属探针和一弹性体。金属壳体具有一套筒，套筒一端向内弯折延伸形成一止挡部，止挡部具有一开口，套筒另一端连接有一底座，底座的底面凸设有一焊接部。金属探针具有一滑动部及一由滑动部向上凸伸出的接触部，滑动部装设于套筒内，接触部从开口伸出金属壳体外。弹性体收容于金属壳体的套筒内，弹性体的一端抵触于滑动部底面，另一端抵顶于底座上。To achieve the above purpose, the probe of the present invention has a metal shell, a metal probe and an elastic body. The metal shell has a sleeve. One end of the sleeve is bent and extended inwardly to form a stopper. The stopper has an opening. The other end of the sleeve is connected to a base, and a welded part protrudes from the bottom of the base. The metal probe has a sliding part and a contact part protruding upward from the sliding part. The sliding part is installed in the sleeve, and the contact part protrudes out of the metal shell from the opening. The elastic body is accommodated in the sleeve of the metal shell, one end of the elastic body is in contact with the bottom surface of the sliding part, and the other end is in contact with the base.

如上所述，本实用新型探针由于在金属壳体的底座的底面处凸设一焊接部，该焊接部可直接焊接于电路板上，故不必另外加装转接片，由此本探针焊接到电路板的工序简单、生产成本低，且可降低与电路板之间的阻抗。As mentioned above, since the probe of the present utility model has a welding part protruding from the bottom surface of the base of the metal shell, the welding part can be directly welded on the circuit board, so there is no need to install additional adapter pieces, thus the probe The process of soldering to the circuit board is simple, the production cost is low, and the impedance between the circuit board and the circuit board can be reduced.

附图说明 Description of drawings

图1为本实用新型探针一种实施例的立体图。Fig. 1 is a perspective view of an embodiment of the probe of the present invention.

图2为图1所示探针的立体分解图。FIG. 2 is an exploded perspective view of the probe shown in FIG. 1 .

图3为图1所示探针的剖视图。FIG. 3 is a cross-sectional view of the probe shown in FIG. 1 .

图4为图1所示若干个探针组装到电路板上的立体图。FIG. 4 is a perspective view of several probes shown in FIG. 1 assembled on a circuit board.

图5为一种现有探针的剖视图。Fig. 5 is a sectional view of a conventional probe.

图中各元件的附图标记说明如下：The reference numerals of each element in the figure are explained as follows:

[本实用新型][this utility model]

探针 100 金属壳体 1Probe 100 Metal Housing 1

套筒 11 止挡部 12Sleeve 11 Stopper 12

开口 13 卡扣槽 14Opening 13 Buckle slot 14

底座 15 焊接部 16Base 15 Welding part 16

金属探针 2 接触部 21Metal probe 2 contact part 21

滑动部 22 弹性体 3Sliding part 22 Elastomer 3

绝缘体 4 电路板 5Insulator 4 Circuit Board 5

[背景技术][Background technique]

探针 100’ 金属壳体 1’Probe 100’ metal case 1’

套筒 11’ 止挡部 12’Sleeve 11’ Stop 12’

开口 13’ 底座 14’Opening 13’ Base 14’

金属探针 2’ 接触部 21’Metal probe 2’ contact part 21’

滑动部 22’ 弹性体 3’Slider 22’ Elastomer 3’

具体实施方式 Detailed ways

为详细说明本实用新型的技术内容、构造特征及其所达成的目的与功效，下面将结合实施例并配合附图详予说明。In order to illustrate the technical content, structural features and the purpose and effect of the utility model in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.

请参阅图2，本实用新型探针100具有一金属壳体1、一金属探针2及一弹性体3。Please refer to FIG. 2 , the probe 100 of the present invention has a metal shell 1 , a metal probe 2 and an elastic body 3 .

请参阅图2和图3，金属壳体1具有一呈圆筒形的套筒11，套筒11的一端向内弯折延伸形成有一圆环形的止挡部12，止挡部12具有一开口13，套筒11另一端连接有一底座15，套筒11的外侧表面上与底座15连接处向内凹陷形成一圆环形卡扣槽14，底座15下底面向外凸伸有一焊接部16。Referring to Fig. 2 and Fig. 3, the metal shell 1 has a cylindrical sleeve 11, and one end of the sleeve 11 is bent and extended inwardly to form an annular stopper 12, and the stopper 12 has a The opening 13, the other end of the sleeve 11 is connected with a base 15, the connection between the outer surface of the sleeve 11 and the base 15 is inwardly recessed to form a circular buckle groove 14, and the bottom surface of the base 15 protrudes outward with a welding part 16 .

金属探针2具有一呈圆柱形的滑动部22及一由该滑动部22向上凸伸出的呈圆柱形的接触部21，滑动部22装设于金属壳体1的套筒11内，且滑动部22的直径大于开口13的直径，以使滑动部22卡设在套筒11内，滑动部22的底面为一斜面，接触部21从开口13处伸出金属壳体1外，从而接触部21可与外部电子元件电性连接。The metal probe 2 has a cylindrical sliding part 22 and a cylindrical contact part 21 protruding upward from the sliding part 22, the sliding part 22 is installed in the sleeve 11 of the metal shell 1, and The diameter of the sliding part 22 is larger than the diameter of the opening 13, so that the sliding part 22 is clamped in the sleeve 11, the bottom surface of the sliding part 22 is a slope, and the contact part 21 protrudes from the opening 13 outside the metal shell 1, thereby contacting The part 21 can be electrically connected with external electronic components.

弹性体3收容于金属壳体1的套筒11内，该弹性体3的一端抵触于滑动部22底面，另一端抵顶于底座15上。The elastic body 3 is accommodated in the sleeve 11 of the metal shell 1 , one end of the elastic body 3 abuts against the bottom surface of the sliding portion 22 , and the other end abuts against the base 15 .

请参阅图4，当组装此探针100时，先将若干探针100装置于一绝缘体4上，而形成一探针式连接器；再将绝缘体4焊接于电路板5上；最后将探针的焊接部16通过绝缘体4上的开口(图中未示)焊接于电路板上，以提供回路所需的连接。Please refer to Fig. 4, when assembling this probe 100, first several probes 100 are installed on an insulator 4, and form a probe type connector; Then insulator 4 is welded on the circuit board 5; Finally probe The welding part 16 of the insulator 4 is welded on the circuit board through the opening (not shown in the figure) on the insulator 4, so as to provide the connection required by the circuit.

综上所述，本实用新型探针100于金属壳体1的底座15的底面处凸设一焊接部16，焊接部16可直接焊接于电路板5上，由此本实用新型探针100制造工序简单、生产成本低且阻抗低。In summary, the probe 100 of the present invention protrudes a welding part 16 at the bottom surface of the base 15 of the metal shell 1, and the welding part 16 can be directly welded on the circuit board 5, so that the probe 100 of the present invention can be manufactured The process is simple, the production cost is low and the impedance is low.

Claims

1. a probe comprises a metal shell, a metal probe and an elastomer, and this metal shell has a sleeve, and sleeve one end bends inwards and extended to form a stopper section, and the stopper section has an opening, and the sleeve other end is connected with a base; This metal probe has a sliding part and by the convex contact site that stretches out of this sliding part, and sliding part is installed in the sleeve of metal shell, and contact site is outside opening stretches out metal shell; Elastomer is contained in the sleeve of metal shell, and an elastomeric end contacts at the sliding part bottom surface, and the other end is resisted against on the base; It is characterized in that: the bottom surface of described base convexes with a weld part.

2. probe as claimed in claim 1 is characterized in that: described sleeve and base junction cave inward and form a buckle slot.

3. probe as claimed in claim 1 is characterized in that: described probe is installed on the insulator, and forms a probe-type connector.