CN2935167Y

CN2935167Y - Contacting probe

Info

Publication number: CN2935167Y
Application number: CN 200620129465
Authority: CN
Inventors: 欧阳灿郎
Original assignee: YUDING PRECISION INDUSTRY Co Ltd
Current assignee: YUDING PRECISION INDUSTRY Co Ltd
Priority date: 2006-07-20
Filing date: 2006-07-20
Publication date: 2007-08-15
Anticipated expiration: 2016-07-20

Abstract

A contact probe includes an outer sleeve with a plug socket and an exploratory hole at each end, a inner pin arranged inside the outer sleeve, a back cover covering the plug socket and an elastic element arranged between the back cover and the inner pin, wherein the inner pin has a big end which is restricted by the exploratory hole and a small end extruding out the exploratory hole, the small end can shrink back when the inner pin is pressed; the outer sleeve has at least one outward flange on its outer perine, the back cover has at least one inward flange matching the outward flange on its inner perine. The contact probe of the utility has the advantage in that the utility model has a small volume and can be easily assembled.

Description

Contact probe

[technical field]

The utility model is about a kind of contact probe, particularly is located at the contact probe of outer sleeve with the flange sleeve that is arranged at its internal perisporium about a kind of bonnet.

[background technology]

Along with the hobby of consumer on technical progress and the market, can find that electronic product has the trend towards miniaturization, lightweight and sophistication development now.Manufacturing comprises the relevant spare part of the various required by electronic product of mobile phone, still keeps the direction exploitation of original function too towards volume-diminished.

One of these spare parts are contact probes, it is used on the mobile phone more, to find out the installing action of other elements such as battery or antenna, this contact probe is by the contact in when installing, carry out set electrical connection and send signal, make it to carry out follow-up processing and start necessary function with control element or circuit to electronic product.

See also Fig. 5, disclose the sectional view that a conventional probe is arranged.

The structure of one conventional probe comprises that an inside is the outer sleeve of hollow (60), outer sleeve (60) outer rim top and bottom have smaller part (61) and big portion (62) respectively, outer sleeve (60) inside is provided with spring (70), establish an interior thimble (80) with probe (81) on the spring (70), make interior thimble (80) bottom be arranged at outer sleeve (60) inside with pressing in outer sleeve (60) top, to form probe, this probe is when desiring with housing (90) assembling, be fixed as one after must making probe penetrate formed holes, housing (90) both sides (91) respectively, outer sleeve (60) bottom is welded on the circuit board, and above-mentioned traditional type is commonly used the shortcoming of contact probe when reality is used and is:

Assembling long, assembling inconvenience in man-hour: because of probe must each self assembly after, just can be assembled on the housing (90) respectively, on a housing (90), then need to assemble respectively two probes, have assembling inconvenience and assembling long shortcoming in man-hour, necessity of being improved is arranged in fact.

[utility model content]

The purpose of this utility model is to be to provide a volume little, and element is few, simply constructed contact probe, and then reach advantage easy to assembly, that save man-hour.

In order to reach aforesaid purpose, the technological means that the utility model used provides a kind of contact probe, includes thimble, a flexible member and a bonnet in the outer sleeve; Wherein:

This outer sleeve is one to be formed with the cylindrical shell of a front end and a rear end, is formed with a jack in its rear end, is formed with an inspecting hole in front end, on its periphery wall near this jack place be formed with at least one radially around outward flange;

Should in thimble, it is one to be formed with the cylinder or the cylindrical shell of a front end and a rear end, its rear end forms the bigger big portion of an external diameter, its front end forms the less smaller part of an external diameter; Should interior thimble be to be inserted in this outer sleeve from the jack of aforementioned outer sleeve, and its smaller part is stretched out in outside the inspecting hole of this outer sleeve with its smaller part;

This flexible member has two ends, and it can bring into play the elastic force that this two end is strutted relatively; The one end is butted on thimble in this, and end is to be butted on aforementioned bonnet in addition;

This bonnet is the cylindrical shell of an internal diameter greater than aforementioned outer sleeve external diameter, it has a rear end and a front end, its rear end sealing is supported for aforementioned flexible member and is pulled, front end formation one is sleeved on the shape of aforementioned outer sleeve rear end, and be formed with at least one inward flange on internal perisporium, this inward flange is the outward flange that is fastened on aforementioned outer sleeve.

When using contact probe of the present utility model, be to accept external contact pressure, and then inwardly overcome the elastic force of this flexible member and inwardly shrink back by this interior thimble that stretches out inspecting hole; This moment is by in this between thimble rear end and the bonnet, is electrically connected or forms different electrical connection such as open circuit and set such as forming, and the physical displacement that it can be born contact pressure changes and is converted into the accessible signal of electronic loop, reaches the effect of surveying contact pressure.

Because contact probe of the present utility model is the outward flange that is fastened on aforementioned outer sleeve by the inward flange of aforementioned bonnet, help quick, easy assembling processing procedure, and fastening structure by aforementioned outer sleeve and this bonnet, thimble in aforementioned and flexible member can be placed in wherein, and make it to play a role, the independent movable spare part that forms helps cooperating limited assembling space, and then helps miniaturization, lightweight and the sophistication of product.

From the above, the utility model really can provide a volume little, and element is few, simply constructed contact probe.

[description of drawings]

Fig. 1: the stereographic map that is the utility model contact probe.

Fig. 2: the exploded view that is the utility model contact probe.

Fig. 3: the action constructed profile that is the utility model contact probe.

Fig. 4: the part sectioned view that is the utility model contact probe.

Fig. 5: the sectional view that is a traditional contact probe.

[embodiment]

See also Fig. 1,2, disclose stereographic map and the exploded view that the utility model contact probe is arranged respectively.

Contact probe of the present utility model includes thimble (20), a spring (30) and a bonnet (40) in the outer sleeve (10); Wherein:

This outer sleeve (10) is one to be formed with the cylindrical shell of a front end and a rear end, is formed with a jack (11) in its rear end, is formed with an inspecting hole (12) in front end; On its periphery wall near this jack (11) locate to be formed with at least one radially around outward flange (13), this inspecting hole periphery is to form the external diameter convergent portion (14) that dwindles of forward end gradually; On this outer sleeve (10) periphery wall between this outward flange (13) and this convergent portion (14) around forming a stop section (15), this stop section (15) are in order to the aforementioned bonnet of block (40);

Should in thimble (20) be one to be formed with the cylinder of a front end and a rear end, its rear end forms the bigger big portion (21) of an external diameter, its front end forms the less smaller part of an external diameter (22); The front end of this smaller part (22) is to form a circular-arc probe (23); Should interior thimble (20) be to be inserted in this outer sleeve (10), and its smaller part (22) and probe (23) are stretched out in outside the inspecting hole (12) of this outer sleeve (10) with the jack (11) of its smaller part (22) from aforementioned outer sleeve (10);

This spring (30) is a flexible member, and it has two ends, can bring into play the elastic force that this two end is strutted relatively; The one end is butted on the rear end of thimble (20) in this, and end is to be butted on aforementioned bonnet (40) in addition;

This bonnet (40) is the cylinder of an internal diameter greater than aforementioned outer sleeve (10) external diameter, and it has a rear end and a front end, and its rear end is combined with a cylindrical base (41), and this back-end closure supports for aforementioned spring (30) and pulls; Its front end forms one and is sleeved on the shape of aforementioned outer sleeve (10) rear end and supports the stop section (15) that terminates in outer sleeve (10), and be formed with at least one inward flange (42) on this bonnet (40) internal perisporium, this inward flange (42) is the outward flange (13) that is fastened on aforementioned outer sleeve (10).

See also Fig. 3, disclose the action constructed profile that the utility model contact probe is arranged.

When using contact probe of the present utility model, be to accept external contact pressure, and utilize this circular arc probe (23) to reduce the influence of lateral force by this interior thimble (20) that stretches out inspecting hole (12); Should in thimble (20) is stressed inwardly overcomes the elastic force of this spring (30) and inwardly shrink back; This moment is by between (20) rear end of thimble in this and this bonnet (40), set such as form being electrically connected or forming different electrical connection such as open circuit, the physical displacement variation that it can be born contact pressure is converted into the accessible signal of electronic loop, reaches the effect of surveying contact pressure.

Please consult the 4th figure again, disclose the part sectioned view that the utility model contact probe is arranged.

Because contact probe of the present utility model is the outward flange (13) that is fastened on aforementioned outer sleeve (10) by the inward flange (42) of aforementioned bonnet (40), help quick, easy assembling processing procedure, and fastening structure by aforementioned outer sleeve (10) and this bonnet (40), thimble (20) in aforementioned and spring (30) can be placed in wherein, and make it to play a role, the independent movable spare part that forms, need not as traditional contact probe, by the fixing relative position therebetween of the housing of an outside, help cooperating limited assembling space in addition; With a small and exquisite mobile phone product is example, in this mobile phone, distribute to the more traditional mobile phone in position more narrow and small of each part,, be assemblied in this narrow and small assembly space because contact probe volume of the present utility model needs the contact probe of external shell less than tradition.

Concrete structure of the present utility model from the above and using method, it really can provide a volume little, and element is few, simply constructed contact probe, and then reach advantage easy to assembly, that save man-hour.

Difference correction and the variation that can do according to the utility model all obviously can not depart from scope of the present utility model and spirit for being familiar with this operator.Though the utility model has been narrated the specific preferable concrete fact, it must be appreciated that the utility model should be limited to undeservedly, these are specific specifically in fact.Implementing aspect the pattern of stating of the utility model, for the person with usual knowledge in their respective areas, showing and the difference correction easily known also is included within the utility model scope.

Claims

1. a contact probe includes thimble, a flexible member and a bonnet in the outer sleeve; It is characterized in that:

Should in thimble be one to be formed with the cylinder or the cylindrical shell of a front end and a rear end, its rear end forms big portion, its front end forms a smaller part, should big portion external diameter greater than this smaller part external diameter; Should interior thimble be to be inserted in this outer sleeve from the jack of aforementioned outer sleeve, and its smaller part stretch out in outside the inspecting hole of this outer sleeve with its smaller part;

This flexible member has two ends; The one end is butted on thimble in this, and end is to be butted on aforementioned bonnet in addition;

2. contact probe as claimed in claim 1 is characterized in that: the internal diameter of this inward flange is the external diameter less than this outward flange.

3. contact probe as claimed in claim 1 is characterized in that: this bonnet includes a cylinder with a rear end and a front end, and a pedestal that is incorporated into aforementioned annulus rear end.

4. contact probe as claimed in claim 3 is characterized in that: the pedestal of this bonnet is a right cylinder.

5. contact probe as claimed in claim 1 is characterized in that: the internal diameter of this inspecting hole is less than the internal diameter of this jack.

6. contact probe as claimed in claim 5 is characterized in that: this inspecting hole is peripheral to form external diameter convergent portion of dwindling of forward end gradually.

7. contact probe as claimed in claim 1 is characterized in that: front end of the smaller part of thimble forms a circular-arc probe in this.

8. as each described contact probe in the claim 1 to 7, it is characterized in that: be formed with a stop section that is matched with this bonnet front end on this outer sleeve periphery wall.