CN219477049U

CN219477049U - PogoPin structure

Info

Publication number: CN219477049U
Application number: CN202320672748.0U
Authority: CN
Inventors: 马力明; 陈德喜
Original assignee: Amphenol Custom Connector Changzhou Co Ltd
Current assignee: Amphenol Custom Connector Changzhou Co Ltd
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-08-04
Anticipated expiration: 2033-03-30

Abstract

The utility model provides a PogoPin structure, which comprises the following components: needle tube, needle shaft, spring, insulator and insulating sleeve; the insulator set up in the needle tubing the lower bottom, the spring housing is located the insulator outside, the insulating sleeve housing is located the spring outside, the needle shaft set up in on the insulating sleeve. According to the utility model, the insulator and the insulating sleeve are arranged between the spring and the needle tube and between the spring and the needle shaft, so that the current paths between the spring and the needle tube and between the spring and the needle shaft are blocked, the transmission inductance of the high-frequency circuit is 0, and the current is 0, and thus high-frequency signals can be efficiently transmitted; meanwhile, the insulator and the insulating sleeve protect the spring, friction between the spring and the needle tube under the working condition of high current is avoided, and the risk of burning the spring is avoided.

Description

PogoPin structure

Technical Field

The utility model belongs to the technical field of batteries, and particularly relates to a PogoPin structure.

Background

The Pogo Pin connector is also called a probe connector, and is a precise connector widely applied to electronic products such as mobile phones, communication, automobiles, medical treatment, aerospace and the like at present, and plays a role in connection. The Pogo Pin connector is a spring type probe formed by riveting and prepressing three basic components of a needle shaft, a spring and a needle tube through a precise instrument, the interior of the spring type probe is provided with a precise spring structure, and the surface coating of the Pogo Pin connector is generally plated with gold, so that the corrosion resistance, the mechanical property, the electrical property and the like of the Pogo Pin connector can be better improved.

In the prior art, the spring of the Pogo Pin connector is made of a metal material, and the needle tube is usually made of a copper material, and because the spring contacts the inner wall of the needle tube, a current path can be generated, and an inductor is easily derived, so that the spring is easily burnt, and the inductor generated by the spring can interfere signals to influence the communication transmission effect. In view of this, it is necessary to design a new Pogo Pin structure to solve the above technical problems.

It should be noted that the foregoing description of the background art is only for the purpose of facilitating a clear and complete description of the technical solutions of the present application and for the convenience of understanding by those skilled in the art, and is not to be construed as merely illustrative of the background art section of the present application.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide a pogo pin structure for solving the problem that in the pogo pin structure in the prior art, an interference signal and a spring are prone to burn out.

To achieve the above and other related objects, the present utility model provides the following technical solutions:

the utility model provides a PogoPin structure, which comprises the following components: needle tube, needle shaft, spring, insulator and insulating sleeve;

the needle tube is provided with an upper opening and a lower bottom, the insulator is arranged at the lower bottom of the needle tube, the spring is sleeved outside the insulator, the insulating sleeve is sleeved outside the spring, and the needle shaft is arranged on the insulating sleeve; the surfaces of the spring and the needle tube are made of metal materials;

the needle tube is characterized in that the upper opening of the needle tube is folded relatively to form a neck part, the lower part of the needle shaft extends outwards to form a step part, the step part is wider than the neck part, and the upper part of the needle shaft is narrower than the neck part, so that the needle shaft can move up and down in the needle tube and cannot deviate from the upper opening of the needle tube.

Optionally, the insulator comprises a T-shaped insulating base and an insulating pillar, and the spring is sleeved on the outer side of the insulating pillar of the insulator and is propped against the insulating base of the insulator, so that the spring is not contacted with the lower bottom of the needle tube.

Optionally, the width of the insulating support is smaller than the width of the insulating base, so that the spring sleeved on the insulating support does not contact the inner surface of the needle tube.

Optionally, the axes of the needle cannula, insulator, insulating sleeve and spring overlap.

Optionally, the length of the inner cavity of the insulating sleeve for sleeving the spring is longer than the length of the insulating support.

Optionally, balls are disposed between the insulating sleeve and the needle shaft.

Optionally, a surface of the lower portion of the needle shaft, which contacts the insulating sleeve, is an inclined surface, which is not perpendicular to the axis of the needle cylinder.

Optionally, the material of the needle tube is copper.

Optionally, the material of the insulator and the insulating sleeve is one or more of an inorganic insulating material, an organic insulating material or a mixed insulating material.

Optionally, the material of the insulator and the insulating sleeve is one or more than one of mica, epoxy resin, thermosetting plastic or acrylonitrile-butadiene-styrene plastic.

As described above, the PogoPin structure of the utility model has the following beneficial effects:

according to the utility model, the insulator and the insulating sleeve are arranged between the spring and the needle tube and between the spring and the needle shaft, so that the current paths between the spring and the needle tube and between the spring and the needle shaft are blocked, the transmission inductance of the high-frequency circuit is 0, and the current is 0, and thus high-frequency signals can be efficiently transmitted;

according to the utility model, the insulator and the insulating sleeve are used for protecting the spring, so that friction between the spring and the needle tube under the working condition of high current is avoided, and the risk of burning the spring is avoided.

Drawings

Fig. 1 shows a schematic diagram of a pogpin structure in the prior art.

Fig. 2 is a schematic diagram of a pogpin structure according to an example of the present utility model.

Fig. 3 is a schematic view showing the structure of a needle tube according to an example of the present utility model.

Fig. 4 is a schematic view showing the structure of a needle shaft in an example of the present utility model.

Fig. 5 is a schematic view showing the structure of a spring in an example of the present utility model.

Fig. 6 is a schematic view showing the structure of an insulator according to an example of the present utility model.

Fig. 7 is a schematic view showing the structure of an insulating sleeve according to an example of the present utility model.

Fig. 8 is a schematic view showing a structure in which an insulator is disposed at the lower bottom of a needle tube in an example of the present utility model.

Fig. 9 is a schematic view showing a structure in which a spring is sleeved on an insulator in an example of the present utility model.

Fig. 10 is a schematic view showing a structure in which an insulating sleeve is sleeved on a spring according to an example of the present utility model.

Fig. 11 is a schematic view showing a structure in which a needle shaft is provided to an insulating sleeve in an example of the present utility model.

Description of element reference numerals

10. A needle tube; 11. an upper opening; 111. a neck part is clamped; 12. a lower bottom; 20. a needle shaft; 21, a step of; an upper part; 22. a lower part; 221. an inclined surface; 30; a spring; 40. an insulator; 41. an insulating base; 42. an insulating support; 50. an insulating sleeve; 61. a pipe bottom; 62. the pipe wall.

Detailed Description

Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model.

As described in detail in the embodiments of the present utility model, the schematic drawings showing the structure of the apparatus are not partially enlarged to general scale, and the schematic drawings are merely examples, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

For ease of description, spatially relative terms such as "under", "below", "beneath", "above", "upper" and the like may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that these spatially relative terms are intended to encompass other orientations of the device in use or operation in addition to the orientation depicted in the figures.

In the context of this application, a structure described as a first feature being "on" a second feature may include embodiments where the first and second features are formed in direct contact, as well as embodiments where additional features are formed between the first and second features, such that the first and second features may not be in direct contact.

It should be noted that, the illustrations provided in the present embodiment merely illustrate the basic concept of the present utility model by way of illustration, and only the components related to the present utility model are shown in the drawings rather than the number, shape and size of the components in actual implementation, and the form, number and proportion of each component in actual implementation may be arbitrarily changed, and the layout of the components may be more complex.

In the prior art, as shown in fig. 1, the pogon structure is generally composed of a needle tube 10, a needle shaft 20 and a spring 30, the needle tube 10 is generally made of copper, the spring 30 is made of metal, and the spring 30 is generally in surface contact with a tube bottom 61, a tube wall 62 and the needle shaft 20 of the needle tube 10, so that a current path can be generated between the spring 30 and the needle tube 10 and between the spring 30 and the needle shaft 20, inductance is easily derived, the spring 30 is easily burnt, and the inductance generated by the spring 30 can interfere signals to influence the communication transmission effect.

In order to solve the above problems, as shown in fig. 2, the present utility model provides a pogo pin structure, which includes: needle cannula 10 shown in fig. 3, needle shaft 20 shown in fig. 4, spring 30 shown in fig. 5, insulator 40 shown in fig. 6, and insulating sleeve 50 shown in fig. 7;

the needle tube 10 is provided with an upper opening 11 and a lower bottom 12, as shown in fig. 8, the insulator 40 is arranged at the lower bottom 12 of the needle tube 10, as shown in fig. 9, the spring 30 is sleeved outside the insulator 40, as shown in fig. 10, the insulating sleeve 50 is sleeved outside the spring 30, as shown in fig. 11, and the needle shaft 20 is arranged on the insulating sleeve 50; the surfaces of the spring 30 and the needle tube 10 are made of metal materials;

the upper opening 11 of the needle tube 10 is folded relatively to form a neck 111, the lower portion 22 of the needle shaft 20 is extended outwards to form a step portion, the step portion is wider than the neck 111, and the upper portion 21 of the needle shaft 20 is narrower than the neck 111, so that the needle shaft 20 can move up and down in the needle tube 10 without being separated from the upper opening 11 of the needle tube 10.

The insulator 40 and the insulating sleeve 50 are arranged, so that the spring 30 is not connected with the needle tube 10 and the needle shaft 20 in a conductive way, inductance is not easy to generate, the current paths between the spring 30 and the needle tube 10 and between the spring 30 and the needle shaft 20 are blocked, the transmission inductance of the spring in a high-frequency circuit is 0, and the current is 0, so that high-frequency signals can be efficiently transmitted; at the same time, the spring 30 is protected, and the risk of burning the spring 30 due to friction generated between the spring 30 and the needle tube 10 under the working condition of high current is avoided.

In one embodiment, the insulator 40 includes a T-shaped insulating base 41 and an insulating pillar 42, and the spring 30 is sleeved on the outer side of the insulating pillar 42 of the insulator 40 and abuts against the insulating base 41 of the insulator 40, so that the spring 30 is not in contact with the lower bottom 12 of the needle tube 10.

According to the utility model, by arranging the insulating base 41 and the insulating support column 42, the spring 30 cannot be contacted with the lower bottom 12 and the side wall of the needle tube 10, so that the inductance of the spring 30 is further ensured not to be generated, and the signal interference is reduced.

In one embodiment, the width of the insulating support 42 is less than the width of the insulating base 41 such that the spring 30 that is positioned over the insulating support 42 does not contact the inside surface of the needle cannula 10.

The utility model further reduces the problem of inductance between the spring 30 and the needle cannula 10 by providing the insulating support 42 with a width less than the width of the insulating base 41.

In one embodiment, the axes of the needle cannula 10, the insulator 40, the insulating sleeve 50, and the spring 30 overlap.

In one embodiment, the insulating sleeve 50 is used to encase the spring 30 with an inner cavity length that is longer than the length of the insulating support 42.

In one embodiment, balls are disposed between the insulating sleeve 50 and the needle shaft 20.

The present utility model provides for a more stable contact between the needle shaft 20 and the insulating sleeve 50 by providing balls.

In one embodiment, the surface of the lower portion 22 of the needle shaft 20 that contacts the insulating sleeve 50 is an inclined surface 221, and the inclined surface 221 is not perpendicular to the axis of the needle cylinder.

In one embodiment, the needle cannula 10 is copper.

In one embodiment, the insulator 40 and the insulating sleeve 50 are made of one or any combination of more than one of an inorganic insulating material, an organic insulating material, or a hybrid insulating material.

Specifically, the insulator 40 and the insulating sleeve 50 are made of insulating materials with strong insulativity, high strength and difficult abrasion.

In one embodiment, the material of the insulator 40 and the insulating sleeve 50 is one or any combination of more than one of mica, epoxy, thermosetting plastic, or acrylonitrile butadiene styrene plastic.

In summary, in the pogo pin structure of the present utility model, the insulator and the insulating sleeve are disposed between the spring and the needle tube, and the needle shaft, so that the current path between the spring and the needle tube, and between the spring and the needle shaft is blocked, so that the transmission inductance of the spring in the high frequency circuit is 0, and the current is 0, thereby high frequency signals can be efficiently transmitted; meanwhile, the insulator and the insulating sleeve are used for protecting the spring, friction between the spring and the needle tube under the working condition of high current is avoided, and the risk of burning the spring is avoided.

Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims

1. A pogpin structure, the structure comprising: needle tube, needle shaft, spring, insulator and insulating sleeve;

2. The pogo pin structure of claim 1, wherein: the insulator comprises a T-shaped insulating base and an insulating support column, and the spring is sleeved on the outer side of the insulating support column of the insulator and is propped against the insulating base of the insulator, so that the spring is not contacted with the lower bottom of the needle tube.

3. The pogo pin structure of claim 2, wherein: the width of the insulating support is smaller than that of the insulating base, so that the spring sleeved on the insulating support does not contact the inner surface of the needle tube.

4. The pogo pin structure of claim 1, wherein: the axes of the needle tube, the insulator, the insulating sleeve and the spring are overlapped.

5. The pogo pin structure of claim 2, wherein: the length of the inner cavity of the insulating sleeve, which is used for sleeving the spring, is longer than that of the insulating support.

6. The pogo pin structure of claim 1, wherein: a ball is arranged between the insulating sleeve and the needle shaft.

7. The pogo pin structure of claim 1, wherein: the surface of the lower part of the needle shaft, which is contacted with the insulating sleeve, is an inclined surface, and the inclined surface is not perpendicular to the axis of the needle tube.

8. The pogo pin structure of claim 1, wherein: the needle tube is made of copper.

9. The pogo pin structure of claim 1, wherein: the insulator and the insulating sleeve are made of one or more of inorganic insulating materials, organic insulating materials or mixed insulating materials.

10. The pogo pin structure of claim 9, wherein: the insulator and the insulating sleeve are made of any combination of one or more of mica, epoxy resin, thermosetting plastic or acrylonitrile-butadiene-styrene plastic.