CN219040783U

CN219040783U - Outer conductor contact element

Info

Publication number: CN219040783U
Application number: CN202222896594.1U
Authority: CN
Inventors: 王超
Original assignee: Changchun Jetty Automotive Parts Co Ltd
Current assignee: Changchun Jetty Automotive Parts Co Ltd
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-05-16
Anticipated expiration: 2032-11-01
Also published as: WO2024094079A1

Abstract

The utility model discloses an outer conductor contact element, which comprises a cylindrical outer conductor base, wherein the front end of the outer conductor base extends outwards to form at least two pairs of oppositely arranged contact spring pieces, and the front end of at least one pair of contact spring pieces continues to extend outwards to form a closed connecting part; at least one pair of contact spring pieces are in a cantilever shape which is not connected with the connecting part, and the utility model combines the two common forms of the prior outer conductor contact element together, can obviously reduce the plugging force of the outer conductor contact element on the premise of meeting the firm connection, has strong practicability and has good application prospect.

Description

Outer conductor contact element

Technical Field

The utility model relates to the technical field of connector contacts, in particular to an outer conductor contact element.

Background

Currently, the outer conductor contact elements of connectors generally take the following two forms: the first form is that a plurality of contact spring pieces are arranged at the front end of the outer conductor base in an extending way, and are connected with a matched connector in a matched way through protruding bumps arranged on the contact spring pieces to realize mechanical and electrical connection, and the arrangement mode is easy to cause the problem of unstable connection after multiple plugging and unplugging, so that the stability of the connector can be greatly influenced; the second form is that a connecting part is further formed at the front ends of a plurality of contact spring pieces in an extending way, the problem that connection is not firm easily occurs after the outer conductor contact element is plugged and unplugged for many times is prevented through the connecting part, however, the arrangement mode inevitably causes the problem that the plugging force is large when the outer conductor contact element is plugged and unplugged due to the existence of the connecting part, the use is inconvenient, and even the structure inside the connector is possibly damaged when the outer conductor contact element is plugged and unplugged.

Disclosure of Invention

Therefore, the present utility model is directed to an external conductor contact element, which solves the problems of the existing external conductor contact element, such as weak connection and large insertion force.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: an outer conductor contact element comprises a cylindrical outer conductor base, wherein the front end of the outer conductor base extends outwards to form at least two pairs of oppositely arranged contact spring pieces, and a closed connecting part is formed after the front end of at least one pair of contact spring pieces continues to extend outwards; at least one pair of contact spring pieces is in a cantilever shape which is not connected with the connecting part.

In a preferred embodiment, the connection portion is annular, and the connection portion, the outer conductor base portion, and the cylindrical structure defined by at least two pairs of oppositely disposed contact spring pieces are coaxially disposed therebetween.

In a preferred embodiment, the contact spring plate is bent outwards and/or inwards to form a bump for electrical connection.

In a preferred embodiment, the diameter of the circumscribing circle where the convex point is located is larger than the diameter of the outer periphery of the connecting part.

In a preferred embodiment, the bumps are arched, the highest of the bumps forming the contact area.

In a preferred embodiment, the contact area is an arcuate surface.

In a preferred embodiment, the contact spring piece is cantilevered and the contact spring piece is connected to the connecting portion, and the protruding points provided on both are offset by a predetermined distance in the axial direction of the outer conductor base portion.

In a preferred embodiment, the protruding points provided on the contact spring piece connected to the connecting portion are distributed at the front ends of the protruding points provided on the contact spring piece in a cantilever shape.

In a preferred embodiment, the number of the contact spring pieces in the cantilever shape and the number of the contact spring pieces connected to the connecting portion are the same, and are arranged at intervals in the circumferential direction of the outer conductor base portion.

In a preferred embodiment, the outer conductor contact member is integrally stamped and bent from a sheet metal material, opposite ends of which define engagement slots.

Compared with the prior art, the utility model has the beneficial effects that: the utility model combines the two common forms of the prior external conductor contact element, can obviously reduce the plugging force of the external conductor contact element on the premise of meeting the firm connection, has strong practicability and has good application prospect.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.

Fig. 1 is a schematic structural view of an outer conductor contact element provided by the present utility model;

fig. 2 is a front view of the outer conductor contact element of fig. 1;

fig. 3 is a schematic view illustrating a state in which a bump provided on a first contact spring piece is first contacted with an outer conductor of a mating connector in the embodiment;

fig. 4 is a schematic view showing a state in which the outer conductor contact member is fully inserted into the mating connector in the embodiment.

The figures are marked as follows:

10. an outer conductor base;

20. a contact spring piece; 201. a bump; 202. a contact region; 203. a first contact spring piece; 204. a second contact spring piece;

30. a connection part;

40. an engagement groove;

50. a predetermined distance.

60. The mating connector.

Detailed Description

Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise.

The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses.

Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.

The utility model provides an outer conductor contact element, as shown in fig. 1 and 2, comprising a tubular outer conductor base 10, wherein the front end of the outer conductor base 10 extends outwards to form at least two pairs of oppositely arranged contact spring pieces 20, wherein after the front end of at least one pair of contact spring pieces 20 continues to extend outwards, a closed connecting part 30 is formed, and the contact spring pieces 20 connected with the connecting part 30 are defined as a first contact spring piece 203; at least one pair of contact spring pieces 20 has a cantilever shape not connected to the connecting portion 30, and the contact spring piece 20 having a cantilever shape is defined as a second contact spring piece 204 hereinafter.

The contact spring piece 20 is bent outwards and/or inwards to form a bump 201 for electrical connection, in the present utility model, the bump 201 is preferably bent outwards, and the diameter of the circumcircle where the bump 201 is located is larger than the diameter of the outer periphery of the connecting portion 30, so as to realize signal transmission, when the external conductor contact element of the present utility model is inserted into the mating connector 60, the bump 201 arranged on the contact spring piece 20 deforms inwards along the radial direction and forms stable mechanical and electrical connection with the mating connector 60, so that signal transmission is realized.

The utility model combines the two common forms of the prior external conductor contact element, can obviously reduce the plugging force of the external conductor contact element on the premise of meeting the firm connection, has strong practicability and has good application prospect.

In one embodiment, as shown in fig. 1 and 2, the bump 201 is arched, and the highest portion of the bump 201 forms a contact area 202, when the outer conductor contact element of the present utility model is completely inserted into the mating connector 60, the contact area 202 is closely contacted with the inner wall of the outer conductor of the mating connector 60, and the contact area 202 is preferably configured as an arc surface to realize a stable signal transmission function.

In one embodiment, as shown in fig. 1, the connection portion 30 is annular, and the connection portion 30, the outer conductor base 10 and the cylindrical structure defined by at least two pairs of oppositely arranged contact spring pieces 20 are coaxially arranged, and the inner diameters of the three are the same.

In one embodiment, as shown in fig. 2, the second contact spring piece 204 and the first contact spring piece 203 are provided with the bump 201 offset by a predetermined distance 50 in the axial direction of the outer conductor base 10.

In this embodiment, the protruding points 201 disposed on the first contact spring piece 203 are preferentially distributed at the front ends of the protruding points 201 disposed on the second contact spring piece 204, when the external conductor contact element of the present utility model is inserted into the mating connector 60, the protruding points 201 disposed on the first contact spring piece 203 are firstly contacted with the external conductor of the mating connector 60, and at this time, the protruding points 201 disposed on the second contact spring piece 204 are not contacted with the external conductor of the mating connector 60, and the insertion force is smaller, specifically please refer to fig. 3, the protruding points disposed on the second contact spring piece 204 start to contact with the external conductor of the mating connector 60, and at this time, the protruding points 201 disposed on the first contact spring piece 203 are already installed inside the external conductor of the mating connector 60 and are in sliding connection with the inner wall of the external conductor of the mating connector 60, so that the insertion force required for initial insertion is significantly reduced, and, as mentioned above, the contact area 202 formed by the protruding points 201 disposed on the first contact spring piece 204 is not contacted with the external conductor of the mating connector 60, and the contact force of the present utility model can be reduced to a certain extent, and the contact force of the external conductor contact element is not completely offset from the contact element 20 when the contact element is inserted into the mating connector 60, as shown in fig. 4.

In an embodiment, as shown in fig. 1 and 2, the second contact spring pieces 204 and the first contact spring pieces 203 are the same in number and are staggered and spaced in the circumferential direction of the outer conductor base 10, so that not only is the beauty good, but also the connection strength is good.

Furthermore, the outer conductor contact element is formed by integrally stamping and bending a metal plate, and the two opposite ends of the metal plate are provided with the joint grooves 40, so that the joint grooves 40 can be mutually matched dovetail grooves for improving the strength of the outer conductor contact element after bending, and the manufacturing cost of the outer conductor contact element can be obviously reduced due to the arrangement of the stamping structure.

While certain specific embodiments of the utility model have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.

Claims

1. The utility model provides an outer conductor contact element, includes the outer conductor basal portion that takes the form of tube-shape, and the front end of outer conductor basal portion extends to the outside and forms two at least pairs of contact spring pieces of opposite arrangement, its characterized in that:

at least one pair of front ends of the contact spring pieces extend outwards continuously to form a closed connecting part;

at least one pair of contact spring pieces is in a cantilever shape which is not connected with the connecting part.

2. An outer conductor contact element according to claim 1, characterized in that: the connecting part is annular, and the connecting part, the outer conductor base part and the cylindrical structure defined by at least two pairs of oppositely arranged contact spring pieces are coaxially arranged.

3. An outer conductor contact element according to claim 1, characterized in that: the method is characterized in that: the contact spring piece is bent outwards and/or inwards to form a convex point for electric connection.

4. An outer conductor contact element according to claim 3, characterized in that: the diameter of the circumscribed circle where the convex point is located is larger than the diameter of the periphery of the connecting part.

5. An outer conductor contact element according to claim 3, characterized in that: the method is characterized in that: the convex points are arched, and the highest positions of the convex points form contact areas.

6. An outer conductor contact element as set forth in claim 5 wherein: the method is characterized in that: the contact area is an arc-shaped surface.

7. An outer conductor contact element according to claim 3, characterized in that: the method is characterized in that: the contact spring piece is in a cantilever shape, and the contact spring piece is connected with the connecting part, and the salient points arranged on the contact spring piece and the contact spring piece are offset by a preset distance in the axial direction of the outer conductor base part.

8. An outer conductor contact element as in claim 7, wherein: the method is characterized in that: the protruding points arranged on the contact spring piece connected with the connecting part are distributed at the front ends of the protruding points arranged on the cantilever-shaped contact spring piece.

9. An outer conductor contact element according to any one of claims 1-8, characterized in that: the number of the cantilever-shaped contact spring pieces is the same as that of the contact spring pieces connected with the connecting portion, and the cantilever-shaped contact spring pieces are arranged at intervals in the circumferential direction of the outer conductor base portion.

10. An outer conductor contact element according to claim 1, characterized in that: the outer conductor contact element is formed by integrally stamping and bending a metal plate, and the two opposite ends of the metal plate form joint grooves.