CN210926398U - Electric connector, connector assembly and electronic equipment - Google Patents

Abstract

An electrical connector, connector assembly and electronic device. The electrical connector includes: a connector body, including an insulating housing and a plurality of conductive terminals installed in the insulating housing, the conductive terminals are suitable for electrical connection with the electrical contacts of the circuit board; a base, arranged on the insulating shell; a plurality of elastic conductive devices are installed on the base, the upper ends of the elastic conductive devices are elastically protruded from the base, and the elastic conductive devices are connected with the base The seats cooperate to form a conductive path from the upper portion of the base to the lower portion of the base so that the resilient conductive means are in electrical communication with the ground contact of the circuit board. The grounding function of the electrical connector can be realized by the elastic conductive device and the conductive base arranged on the insulating housing.

Description

Electrical connectors, connector assemblies and electronic equipment

technical field

At least one embodiment of the present invention relates to an electrical connector, and more particularly, to an electrical connector with a grounding device, a connector assembly including the electrical connector, and an electronic device.

Background technique

In the process of electrical signal transmission, the electrical connection between the external wires and the circuit board is usually realized by using the electrical connector mounted on the circuit board in combination with the mating connector. Generally, an electrical connector includes an insulating housing, a plurality of conductive terminals mounted in the insulating housing, and a conductive housing mounted outside the insulating housing, and the conductive housing is electrically connected to a ground contact on a circuit board. In this way, when the electrical connector is installed on the user's panel or mounting frame, the conductive housing is electrically connected to the panel or the supporting frame, thereby realizing the electrical connection between the panel or the mounting frame and the ground contact of the circuit board.

However, some commercially available electrical connectors do not include a conductive housing, and the electrical connectors are mounted on a panel or a mounting frame through threads provided on the insulating housing. Since the electrical connector is not provided with a conductive shell, it is difficult to realize the electrical connection between the panel or the mounting frame and the ground contact of the circuit board.

SUMMARY OF THE INVENTION

The purpose of the present invention is to solve at least one aspect of the above problems and defects in the prior art, and to provide an electrical connector, a connector assembly including the electrical connector, and an electronic device, which can be used without a conductive housing. In the case of grounding function.

According to an embodiment of an aspect of the present invention, an electrical connector is provided, comprising: a connector body, including an insulating housing and a plurality of conductive terminals installed in the insulating housing, the conductive terminals are suitable for is electrically connected to the electrical contacts of the circuit board; a base is arranged on the insulating shell; a plurality of elastic conductive devices are installed on the base, and the upper ends of the elastic conductive devices extend from the base elastically protruding from the middle, the elastic conductive device cooperates with the base to form a conductive path from the upper part of the base to the lower part of the base, so that the elastic conductive device is electrically connected to the ground contact of the circuit board Connected.

According to an embodiment of the present invention, the base is made of insulating material, and the lower end of the elastic conductive device protrudes from the lower part of the base.

According to an embodiment of the present invention, the base is integrally connected to the lower portion of the insulating housing and is formed as an annular flange protruding radially outward.

According to an embodiment of the present invention, the base is provided with a plurality of through holes that pass through the base in a direction parallel to the axis of the connector body, and the elastic conductive devices pass through the base respectively. through the through hole. The elastic conductive device includes: an upper conductive portion configured to retractably extend partially upward from the through hole; a lower conductive portion partially extended downward from the through hole; and a first The elastic part is arranged between the upper conductive part and the lower conductive part.

According to an embodiment of the present invention, each of the lower conductive parts includes: a plug-in part configured to protrude downward from the through hole; and a receiving cylinder connected to the plug-in part The upper portion is configured to receive at least a portion of the first elastic portion.

According to an embodiment of the present invention, the upper conductive portion is partially inserted into the receiving barrel.

According to an embodiment of the present invention, at least one of the upper conductive part and the receiving cylinder is provided with a limiting part to prevent the upper conductive part from being separated from the receiving cylinder.

According to an embodiment of the present invention, the through hole is provided with a first flange portion protruding radially inward, and the portion of the receiving cylinder that protrudes radially outward from the plug portion abuts against the on the first flange portion.

According to an embodiment of the present invention, a sealing ring is provided on the outside of the insulating housing.

According to an embodiment of the present invention, the base is made of a conductive material, and includes: a mounting ring mounted on the insulating housing; and a pair of mounting seats disposed on opposite sides of the mounting ring On the outside of the two sides, the two elastic conductive devices are installed in the mounting seat and are electrically connected with the mounting seat.

According to an embodiment of the present invention, a first blind hole is formed on each of the mounting bases, and the elastic conductive device is partially inserted into the first blind hole.

According to an embodiment of the present invention, the elastic conductive device includes: a second elastic part, the lower end of which is accommodated in the first blind hole; and a conductive part partially inserted into the first blind hole into the first blind hole and expand and contract against the elastic force of the second elastic part.

According to an embodiment of the present invention, a second blind hole is formed in the conductive portion, and an upper end of the second elastic portion is inserted into the second blind hole.

According to an embodiment of the present invention, at least one of the conductive portion and the first blind hole is provided with a limiting portion to prevent the conductive portion from being separated from the first blind hole.

According to an embodiment of the present invention, the limiting part includes: two protruding parts radially protruding outward from the outer side of the lower part of the conductive part; a second flange part disposed on the first the upper end of the blind hole; and two guide grooves formed on the second flange portion through which the two flange protrusions respectively move from the outside of the second flange portion to the outside of the second flange portion. the inner side of the second flange portion.

According to an embodiment of the present invention, the inner side of the second flange portion is provided with two limiting grooves, and the limiting grooves are configured to respectively accommodate the two limiting grooves located on the inner side of the second flange portion. the protrusions.

According to an embodiment of the present invention, the insulating housing has a substantially circular cross-section.

According to an embodiment of another aspect of the present invention, an electronic device is provided, comprising: the electrical connector according to any of the above embodiments; and a circuit board, the conductive terminals of the electrical connector are respectively connected to the circuit board The electrical contacts of the board are electrically connected, and one of the base of the electrical connector and the resilient conductive means is electrically connected to the ground contact of the circuit board.

According to an embodiment of another aspect of the present invention, an electronic device is provided, comprising: the connector assembly described in the above embodiments; and a conductive frame, the insulating housing is mounted on the conductive frame, and the The conductive frame elastically presses the elastic conductive device of the electrical connector, so that the elastic conductive device is electrically connected with the conductive frame. According to the electrical connector, the connector assembly including the electrical connector, and the electronic device according to the above-mentioned embodiments of the present invention, the grounding function of the electrical connector can be realized through the elastic conductive device and the base provided on the insulating housing.

Other objects and advantages of the present invention will be apparent from the following description of the present invention with reference to the accompanying drawings, and may help a comprehensive understanding of the present invention.

Description of drawings

1 shows a schematic perspective view of an electrical connector according to an exemplary embodiment of the present invention;

FIG. 2 shows an exploded schematic view of the electrical connector shown in FIG. 1;

FIG. 3 shows an axial cross-sectional view of the electrical connector shown in FIG. 1 before being mounted to the conductive frame;

FIG. 4 shows an axial cross-sectional view of the electrical connector shown in FIG. 1 when mounted on a conductive frame;

5 shows a schematic perspective view of an electrical connector according to another exemplary embodiment of the present invention;

FIG. 6 shows an exploded schematic view of the electrical connector shown in FIG. 5;

FIG. 7 shows an axial cross-sectional view of the conductive portion of the electrical connector shown in FIG. 5;

FIG. 8 shows a partial cross-sectional view of the electrical connector shown in FIG. 5 before being mounted to the conductive frame;

FIG. 9 shows a partial cross-sectional view of the electrical connector shown in FIG. 5 when mounted to a conductive frame;

FIG. 10 shows a cross-sectional view of the mounting seat of the base of the electrical connector shown in FIG. 5, with no cross-sectional lines shown; and

FIG. 11 shows another cross-sectional view of the installation of the base of the electrical connector shown in FIG. 5 , and the cross-sectional line is not shown in the figure.

Detailed ways

The technical solutions of the present utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings. In the specification, the same or similar reference numerals refer to the same or similar parts. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the general inventive concept of the present invention, and should not be construed as a limitation to the present invention.

Furthermore, in the following detailed description, for convenience of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the present disclosure. Obviously, however, one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in diagram form in order to simplify the drawings.

According to a general technical concept of the present invention, an electrical connector is provided, comprising: a connector body, a base and a plurality of elastic conductive devices. The connector body includes an insulating housing and a plurality of conductive terminals installed in the insulating housing, the conductive terminals are suitable for electrical connection with the electrical contacts of the circuit board; the base is arranged on the insulating housing; A plurality of elastic conductive devices are mounted on the base, upper ends of the elastic conductive devices elastically protrude from the base, and the elastic conductive devices cooperate with the base to form a connection from the base. The upper part reaches the conductive path of the lower part of the base, so that the elastic conductive means is in electrical communication with the ground contact of the circuit board.

According to another general technical concept of the present invention, a connector assembly is provided, comprising: the above-mentioned electrical connector and a circuit board, the conductive terminals of the electrical connector are respectively electrically connected with the electrical contacts of the circuit board connected, one of the base of the electrical connector and the elastic conductive device is electrically connected to the ground contact of the circuit board.

According to yet another general technical concept of the present invention, an electronic device is provided, comprising: the above-mentioned connector assembly, and a conductive frame, the insulating housing is mounted on the conductive frame, and the conductive frame is elastically pressed The elastic conductive device of the electrical connector enables the conductive frame to be electrically connected to the conductive frame.

1 shows a schematic perspective view of an electrical connector according to an exemplary embodiment of the present invention; FIG. 2 shows an exploded schematic view of the electrical connector shown in FIG. 1 ; FIG. 3 shows the installation of the electrical connector shown in FIG. 1 Axial cross-sectional view before mounting to the conductive frame; FIG. 4 shows an axial cross-sectional view of the electrical connector shown in FIG. 1 when mounted to the conductive frame.

Referring to FIGS. 1-4 , in an exemplary embodiment, an electrical connector 100 includes a connector body 1 , a base 2 and a plurality of elastic conductive devices 3 . The connector body 1 includes an insulating housing 11, eg, made of plastic material, having a substantially circular cross-section, and a plurality of conductive terminals 12 mounted in the insulating housing 11, the conductive terminals 12 being suitable for Electrically connected to corresponding electrical contacts of the circuit board 200 . The conductive terminals 12 include, but are not limited to, signal terminals, power terminals, and ground terminals. The base 2 is disposed on the insulating housing 11 , and the conductive terminals 12 protrude from the lower part of the base 2 to be plugged or soldered to the corresponding electrical contacts of the circuit board 200 . A plurality of elastic conductive devices 3 are mounted on the base 2, the upper ends of the elastic conductive devices 3 elastically protrude from the base 2, and the elastic conductive devices 3 cooperate with the base 2 to form The conductive path from the upper part of the base 2 to the lower part of the base 2 makes the elastic conductive device 3 electrically communicate with the ground contact of the circuit board 200 .

In an exemplary embodiment, the base 2 is made of insulating material, and the lower end of the elastic conductive device 3 protrudes from the lower part of the base 2 . Further, the base 2 is integrally connected to the lower part of the insulating housing 11 and is formed as an annular flange protruding radially outward. That is, the base 2 is made of the same material as that of the insulating case 11 by the same process.

In an exemplary embodiment, the base 2 is provided with a plurality of through holes 21 passing through the base 2 in a direction parallel to the axis of the connector body 1 , and the elastic conductive The devices 3 pass through the through holes 21 respectively. The elastic conductive device 3 includes: an upper conductive portion 31 configured to extend from the through hole 21 partially upward; a lower conductive portion 32 partially extended downward from the through hole 21; and A first elastic portion 33 such as a coil spring is disposed between the upper conductive portion 31 and the lower conductive portion 32 . In the above embodiment, the elastic conductive device 3 is formed by three separate parts, but the present invention is not limited to this, it can be understood that the upper conductive part, the lower conductive part and the first elastic part of the elastic conductive device can be integrally formed.

In an exemplary embodiment, each of the lower conductive parts 32 includes: a plug-in part 321 configured to protrude downward from the through hole 21; and a plug-in part connected to the upper part of the plug-in part A receiving cylinder 322 configured to receive at least a portion of the first elastic portion 33 . Further, the upper conductive portion 31 is partially inserted into the receiving cylinder 322 . In this way, as shown in FIGS. 2-4 , the first elastic part 33 is accommodated in the space defined by the upper conductive part 31 and the lower conductive part.

In an embodiment, at least one of the upper conductive part 31 and the receiving cylinder 322 is provided with a limiting part to prevent the upper conductive part from separating from the receiving cylinder, so as to reliably accommodate the first elastic part In the space defined by the upper conductive part 31 and the lower conductive part 32 .

In an embodiment, the through hole 21 is provided with a first flange portion that protrudes radially inward, and the portion of the receiving cylinder 322 that protrudes radially outward from the plug portion 321 abuts against the first flange portion. on the first flange portion. In this way, in the case where the electrical connector 100 is not mounted on the circuit board, the elastic conductive device 3 can be prevented from falling down from the lower part of the base 2 .

In an embodiment, a sealing ring 4 is provided on the outside of the insulating housing 11 . In this way, when the electrical connector 100 is mounted on the conductive frame 300, it can be ensured that the electrical connector 100 and the conductive frame 300 are hermetically combined, preventing dust, moisture and other debris from entering the circuit through the through holes on the mounting frame plate.

As shown in FIGS. 3 and 4 , the connector assembly of the exemplary embodiment of the present invention includes: the electrical connector 100 described in any of the above embodiments, and a circuit board 200 , the conductive terminals of the electrical connector 100 12 are respectively electrically connected to the electrical contacts of the circuit board 200 , and the elastic conductive device 3 of the electrical connector 100 is electrically connected to the ground contacts of the circuit board 200 .

The electronic device of the exemplary embodiment of the present invention includes: the connector assembly of the above-mentioned embodiment, and a conductive frame 300 on which the insulating housing 11 is mounted, for example, a through hole of the mounting frame 300 , and the conductive frame 300 elastically presses the elastic conductive device 3 of the electrical connector 100 , so that the elastic conductive device 3 is electrically connected to the conductive frame 300 reliably. In this way, the conductive frame 300 is electrically connected to the ground contact of the circuit board 200 through the elastic conductive device 3 . It can be understood that when the conductive terminal 12 includes a ground terminal, the ground terminal can also be electrically connected to the ground contact of the circuit board through an elastic conductive device, or directly electrically connected to the ground contact of the circuit board.

5 shows a schematic perspective view of an electrical connector according to another exemplary embodiment of the present invention; FIG. 6 shows an exploded schematic view of the electrical connector shown in FIG. 5 ; FIG. 7 shows a schematic diagram of the electrical connector shown in FIG. 5 Axial cross-sectional view of the conductive portion; Fig. 8 shows a partial cross-sectional view of the electrical connector shown in Fig. 5 before being installed on the conductive frame; Fig. 9 shows a partial cross-sectional view of the electrical connector shown in Fig. 5 when installed on the conductive frame; Fig. 10 shows a cross-sectional view of the mounting seat of the base of the electrical connector shown in FIG. 5, and the cross-sectional line is not shown in the figure; and FIG. 11 shows another cross-sectional view of the installation of the base of the electrical connector shown in FIG. 5, Sectional lines are not shown in the figures.

Referring to FIGS. 1-4 , in an exemplary embodiment, an electrical connector 100 includes a connector body 1 , a base 2 and a plurality of elastic conductive devices 3 . The connector body 1 includes an insulating housing 11 , eg, made of a plastic material, having a substantially circular cross-section, and a plurality of conductive terminals 12 mounted in the insulating housing 11 . The conductive terminals 12 include, but are not limited to, signal terminals, power terminals, and ground terminals. The base 2 is disposed on the insulating housing 11 , and the conductive terminals 12 protrude from the lower part of the base 2 to be plugged or soldered to the corresponding electrical contacts of the circuit board 200 . A plurality of elastic conductive devices 3 are mounted on the base 2, the upper ends of the elastic conductive devices 3 elastically protrude from the base 2, and the elastic conductive devices 3 cooperate with the base 2 to form Conductive path from the upper part of the base 2 to the lower part of the base 2 .

Referring to Figures 5-11, in an exemplary embodiment, an electrical connector 100' includes a connector body 1, eg, circular in cross-section, a base 2' and a plurality of resilient conductive means 3'. The connector body 1 includes an insulating housing 11 made of, for example, a plastic material, and a plurality of conductive terminals 12 mounted in the insulating housing 11 . The conductive terminals 12 include, but are not limited to, signal terminals, power terminals, and ground terminals. The base 2' is detachably disposed at one end of the insulating housing 11, and the conductive terminals 12 protrude from the lower part of the base 2' to be plugged or soldered to the corresponding electrical contacts of the circuit board 200. A plurality of elastic conductive devices 3' are mounted on the base 2', the upper ends of the elastic conductive devices 3' elastically protrude from the base 2', and the elastic conductive devices 3' are connected to the base 2'. The seats 2' cooperate to form a conductive path from the upper part of the base 2' to the lower part of the base 2'.

In an exemplary embodiment, the base 2 ′ is made of conductive material, and includes a mounting ring 22 mounted on the insulating housing 11 , and an opposite mounting ring 22 mounted on the mounting ring 22 . The outer pair of mounting seats 23 on both sides, the two elastic conductive devices 3 ′ are mounted in the mounting seats 23 and are electrically connected with the mounting seats 23 . In this way, the base 2' cooperates with the elastic conductive device 3' to form a conductive path.

In an exemplary embodiment, a first blind hole 231 with an upward opening is formed on each of the mounting bases 23, and the elastic conductive device 3' is partially inserted into the first blind hole 231, so that the elastic The conductive device 3' is electrically connected to the base 2'.

In an exemplary embodiment, the elastic conductive device 3' includes: a second elastic part 34 and a conductive part 35. The lower end of the second elastic portion 34 is accommodated in the first blind hole 231; the conductive portion 35 is partially inserted into the first blind hole 231 and expands and contracts against the elastic force of the second elastic portion 34, so that the elastic conducts electricity The device 3' is electrically connected to the base 2' reliably.

In an exemplary embodiment, a second blind hole 351 with an opening downward is formed in the conductive portion 35 , and the upper end of the second elastic portion 34 is inserted into the second blind hole 351 . In this way, both ends of the second elastic portion 34 are accommodated in the first blind hole 231 and the second blind hole 351 respectively, thereby maintaining the stability of the second elastic portion.

In an exemplary embodiment, a limiting portion is provided on at least one of the conductive portion 35 and the first blind hole 231 to prevent the conductive portion 35 from being separated from the first blind hole 231 . Specifically, the limiting portion includes: two protruding portions 352 radially protruding outward from the outer side of the lower portion of the conductive portion 35 ; a second flange portion 232 disposed on the upper end of the first blind hole 231 ; and two guide grooves 233 formed on the second flange portion 232, the two flange protrusions 352 of the conductive portion 35 respectively pass through the guide grooves 233 on the second flange portion 232 from the second flange portion 232. The outer side of the flange portion moves to the inner side of the second flange portion. Further, the inner side of the second flange portion 232 is provided with two limiting grooves 235 , and the limiting grooves 235 are configured to respectively accommodate the two protruding portions 352 located on the inner side of the second flange portion 232 . In this way, after the two flange protrusions 352 of the conductive portion 35 respectively pass through the guide grooves 233 on the second flange portion 232 and move from the outer side of the second flange portion to the inner side of the second flange portion , the conductive part 35 can be rotated so that the protruding part 352 enters the limiting groove 235 . In this way, the conductive portion 35 can be prevented from being detached from the first blind hole 231 .

In an exemplary embodiment, the lower portion of the mount 23 is provided with solder feet 234 suitable for soldering to ground contacts of the circuit board. Further, through holes 236 may be formed on the soldering feet 234 to more securely mount the mounting base 23 on the circuit board through the through holes 236 with connecting members such as bolts.

In the above embodiment, the insulating housing 11 has a substantially circular cross-section, but the present invention is not limited thereto, and the insulating housing may have an oval, square, rectangular or other polygonal cross-section.

5-8, a connector assembly according to an exemplary embodiment of the present invention includes: the electrical connector (100') described in any of the above embodiments; and a circuit board 200, the electrical connector 100' The conductive terminals 12 of the electrical connectors 12 are respectively electrically connected to the electrical contacts of the circuit board 200 , and the base 2 ′ of the electrical connector 100 ′ is electrically connected to the ground contacts of the circuit board 200 .

The electronic device according to the exemplary embodiment of the present invention includes: the connector assembly described in the above-mentioned embodiments, and a conductive frame 300 on which the insulating housing 11 is mounted, for example, on a mounting bracket 300 The conductive frame 300 elastically presses the elastic conductive device 3' of the electrical connector 100', so that the conductive frame 300 is electrically connected to the elastic conductive device 3' reliably. In this way, the conductive frame 300 is electrically connected to the ground contact of the circuit board 200 through the elastic conductive device 3' and the base 2'. It can be understood that when the conductive terminal 12 includes a ground terminal, the ground terminal can also be electrically connected to the ground contact of the circuit board through an elastic conductive device, or directly electrically connected to the ground contact of the circuit board.

The electrical connectors according to the above-described embodiments of the present invention are suitable for installation on circuit boards of electrical systems such as communication systems, computer center control rooms, industrial automation equipment, industrial interconnection equipment, etc., and are connected with, for example, plugs connecting communication cables A mating connector such as a connector is electrically connected, so as to realize the electrical connection between the circuit board and the communication cable.

Those skilled in the art can understand that the above-described embodiments are all exemplary, and those skilled in the art can make improvements thereto, and the structures described in the various embodiments do not conflict in terms of structures or principles can be freely combined.

Although the present invention is described with reference to the accompanying drawings, the embodiments disclosed in the accompanying drawings are intended to illustrate the preferred embodiments of the present invention, and should not be construed as a limitation of the present invention.

Although some embodiments of the present general inventive concept have been shown and described, those of ordinary skill in the art will understand that The scope is defined by the claims and their equivalents.

It should be noted that the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. Furthermore, any element numbers in the claims should not be construed as limiting the scope of the invention.

Claims (19)

1. An electrical connector, comprising:

a connector body including an insulative housing and a plurality of conductive terminals mounted in the insulative housing, the conductive terminals adapted for electrical connection with electrical contacts of a circuit board;

a base disposed on the insulating housing;

a plurality of resilient conductive means mounted on said base, upper ends of said resilient conductive means resiliently protruding from said base, said resilient conductive means cooperating with said base to form a conductive path from an upper portion of said base to a lower portion of said base such that said resilient conductive means is in electrical communication with a ground contact of said circuit board.

2. An electrical connector as claimed in claim 1, wherein the base is made of an insulating material and the lower end of the resilient conductive means projects from a lower portion of the base.

3. The electrical connector of claim 2, wherein the base is integrally connected to a lower portion of the insulating housing and is formed as a radially outwardly projecting annular flange.

4. An electrical connector according to any one of claims 1 to 3, wherein a plurality of through holes are provided on the base to pass through the base in a direction parallel to the axis of the connector body, the elastic conductive means passing through the through holes, respectively;

the elastic conductive device includes:

an upper conductive portion configured to be telescopically extended upward partially from the through hole;

a lower conductive portion partially protruding downward from the through hole; and

a first resilient portion disposed between the upper and lower conductive portions.

5. The electrical connector of claim 4, wherein each of the lower conductive portions comprises:

a plug portion configured to protrude downward from the through hole; and

a receiving cylinder connected to an upper portion of the insertion part and configured to receive at least a portion of the first elastic part.

6. The electrical connector of claim 5, wherein the upper conductive portion is partially inserted into the receiving cylinder.

7. The electrical connector of claim 6, wherein a stopper portion is provided on at least one of the upper conductive portion and the receiving cylinder to prevent the upper conductive portion from coming off the receiving cylinder.

8. An electrical connector as claimed in claim 5, wherein a first flange portion projecting radially inwardly is provided in the through hole, and a portion of the receiving cylinder projecting radially outwardly of the mating part abuts against the first flange portion.

9. An electrical connector according to any of claims 1-3, wherein the exterior of the insulating housing is provided with a sealing ring.

10. The electrical connector of claim 1, wherein the base is made of an electrically conductive material and comprises:

a mounting ring mounted on said insulating housing; and

and the two elastic conductive devices are arranged in the mounting seats and are electrically connected with the mounting seats.

11. An electrical connector as claimed in claim 10, wherein a first blind hole is formed in each of said mounting seats, said resilient conductive means being partially inserted in said first blind hole.

12. The electrical connector of claim 11, wherein the resilient conductive means comprises:

a second resilient portion, a lower end of said second resilient portion being received in said first blind bore; and

a conductive portion partially inserted into the first blind hole and expanding and contracting against an elastic force of the second elastic portion.

13. The electrical connector of claim 12, wherein a second blind hole is formed in the conductive portion, and an upper end of the second resilient portion is inserted into the second blind hole.

14. The electrical connector of claim 13, wherein a stop is provided on at least one of the conductive portion and the first blind hole to prevent the conductive portion from disengaging the first blind hole.

15. The electrical connector of claim 14, wherein the position limiting portion comprises:

two protrusions protruding radially outward from the outer side of the lower portion of the conductive portion;

a second flange portion provided at an upper end of the first blind hole; and

two guide grooves formed on the second flange portion, the two flange protrusions moving from an outer side of the second flange portion to an inner side of the second flange portion through the guide grooves, respectively.

16. The electrical connector of claim 15, wherein the inner side of the second flange portion is provided with two retainer grooves configured to receive the two projections, respectively, on the inner side of the second flange portion.

17. The electrical connector of any of claims 1-3, wherein the insulative housing has a generally circular cross-section.

18. A connector assembly, comprising:

the electrical connector of any one of claims 1-17; and

and the conductive terminals of the electric connector are respectively and electrically connected with the electric contacts of the circuit board, and one of the base and the elastic conductive device of the electric connector is electrically connected with the grounding contact of the circuit board.

19. An electronic device, comprising:

the connector assembly of claim 18; and

a conductive frame on which the insulating housing is mounted and which elastically presses an elastic conductive means of the electrical connector such that the elastic conductive means is electrically connected with the conductive frame.

Images