CN114696142A - Connector and connector assembly - Google Patents

Abstract

The invention discloses a connector, comprising: an outer conductor; and a center terminal, which is arranged in the outer conductor. The connector also includes a ring-shaped elastic conductor made of elastic conductive material, which is provided on one end of the outer conductor, and the outer conductor is in elastic electrical contact with the first electronic component through the elastic conductor. . In the present invention, the outer conductor is in electrical contact with the electronic component through the elastic conductor, therefore, the outer conductor itself does not need to move, and the problem of jamming will not occur. Therefore, the electrical and mechanical properties of the present invention are very stable, and the cost is low.

Description

Connectors and Connector Components

technical field

The present invention relates to a connector and a connector assembly including the connector, in particular to a radio frequency connector and a connector assembly including the radio frequency connector.

Background technique

In the prior art, a PCB board (printed circuit board)-to-PCB board RF connector generally includes an outer conductor, a center conductor and a spring. In the prior art, the outer conductor typically includes a first outer conductor and a second outer conductor that are slidably assembled together. The spring is compressed between the first outer conductor and the second outer conductor to apply an outward axial thrust to the first outer conductor and the second outer conductor so that the first outer conductor and the second outer conductor can be respectively connected with the first outer conductor and the second outer conductor. The circuit board and the second circuit board are in reliable electrical contact. However, the first outer conductor and the second outer conductor may be stuck during the sliding process. Once the first outer conductor and the second outer conductor are stuck, they cannot communicate with the first circuit board and the second circuit board. The electrical contact causes the connector to fail, and the existing RF connectors cannot solve the passive intermodulation (Passive Inter Modulation, PIM) and resonance problems in the RF field.

SUMMARY OF THE INVENTION

An object of the present invention is to solve at least one aspect of the above-mentioned problems and deficiencies in the prior art.

According to an aspect of the present invention, there is provided a connector including: an outer conductor; and a center terminal disposed in the outer conductor. The connector further includes a ring-shaped elastic conductor made of elastic conductive material and disposed on one end of the outer conductor.

According to an exemplary embodiment of the present invention, the elastic conductive material for manufacturing the elastic conductive body includes conductive glue, elastic conductive rubber or elastic conductive plastic.

According to another exemplary embodiment of the present invention, the elastic electrical conductor is directly formed on one end of the outer conductor, so that the elastic electrical conductor and the outer conductor are directly bonded together.

According to another exemplary embodiment of the present invention, the elastic conductor is a separate part from the outer conductor, and the elastic conductor is bonded to one end of the outer conductor by conductive glue.

According to another exemplary embodiment of the present invention, a ring of positioning grooves is formed on an end face of one end of the outer conductor, and the elastic conductor is positioned in the positioning grooves.

According to another exemplary embodiment of the present invention, the elastic electrical conductor includes a base portion accommodated and positioned in the positioning groove and a main body portion located outside the positioning groove; The cross-section of the base portion is rectangular, and the cross-section of the main body portion of the elastic conductor is an isosceles triangle.

According to another exemplary embodiment of the present invention, the outer conductor has a cylindrical shape, and the elastic conductor is engaged with an end surface, an outer wall surface and an inner wall surface of one end of the outer conductor to increase the distance between the two. Bonding force and electrical contact area.

According to another exemplary embodiment of the present invention, the elastic conductor has a contact end suitable for electrical contact with the first electronic component, and the contact end of the elastic conductor has a flat or arc-shaped contact end surface .

According to another exemplary embodiment of the present invention, the outer conductor is a single integral part.

According to another exemplary embodiment of the present invention, the connector further includes an insulating member disposed between the outer conductor and the center terminal, the insulating member for holding the center terminal on the in the outer conductor and electrically isolate the center terminal from the outer conductor.

According to another exemplary embodiment of the present invention, the insulating member includes an outer cylindrical body and a central positioning through hole located in the outer cylindrical body, and the central terminal is accommodated and positioned at the central positioning of the insulating member in the through hole.

According to another exemplary embodiment of the present invention, the center terminal includes: a first center terminal having a first cylindrical accommodating part and being fixed to the insulating member; a second center terminal accommodating in the a first cylindrical accommodating portion and slidably assembled in the first cylindrical accommodating portion; and a spring accommodated in the first cylindrical accommodating portion and pressed against the first center terminal and the second central terminal, the second central terminal is in sliding electrical contact with the first central terminal, and the second central terminal is adapted to be in contact with the first central terminal under the action of the axial elastic force exerted by the spring. The first electronic component is in elastic electrical contact.

According to another exemplary embodiment of the present invention, the second center terminal has a second cylindrical receiving portion in which at least a portion of the spring is received and positioned.

According to another exemplary embodiment of the present invention, the first central terminal has a connection end exposed from the insulating member and is suitable for being electrically connected with a second electronic component; the second central terminal has A contact end portion exposed from the insulating member and adapted to be in electrical contact with the first electronic component.

According to another exemplary embodiment of the present invention, the first connection end of the first central terminal is adapted to be welded, plugged or screwed to the second electronic component; and the other end of the outer conductor is adapted to for soldering, plugging or screwing to the second electronic component.

According to another exemplary embodiment of the present invention, the first electronic component may be a circuit board, and the second electronic component may be a circuit board or a filter.

According to another exemplary embodiment of the present invention, the connector is a radio frequency connector adapted to be electrically connected between the first electronic component and the second electronic component.

According to another aspect of the present invention, a connector assembly is provided, comprising: a body formed with a plurality of connector mounting holes; a plurality of connectors respectively mounted in the connector mounting holes of the body, the connectors It includes an outer conductor and a central terminal arranged in the outer conductor, wherein one end of the outer conductor is provided with an elastic conductor made of elastic conductive material.

According to an exemplary embodiment of the present invention, the body is an insulating body.

According to another exemplary embodiment of the present invention, the insulating body further includes a plurality of terminal mounting grooves, and the connector further includes a plurality of conductive terminals, which are respectively mounted on the plurality of terminals of the insulating body into the installation slot (320).

According to another exemplary embodiment of the present invention, the plurality of conductive terminals include a signal terminal for transmitting a signal and a power terminal for supplying power.

According to another exemplary embodiment of the present invention, the plurality of terminal mounting grooves are arranged in two rows, and the two rows of terminal mounting grooves are respectively formed on both sides of the insulating body.

According to another exemplary embodiment of the present invention, the body is a metal body.

According to another exemplary embodiment of the present invention, the outer conductor of the connector is integrated with the metal body, and the elastic conductor is mounted on the metal body and formed around the connector mounting hole.

In the aforementioned exemplary embodiment of the present invention, the outer conductor is in electrical contact with the electronic component through the elastic conductor, so the outer conductor itself does not need to move, and the problem of jamming will not occur. Therefore, the electrical and mechanical properties of the present invention are very stable, and the cost is low.

Furthermore, in some of the foregoing exemplary embodiments of the present invention, the outer conductor of the connector is a single integral part and the center terminal is a spring probe type terminal. Therefore, the present invention can also avoid the resonance problem and improve the high frequency performance of the connector.

In the aforementioned various exemplary embodiments of the present invention, the center conductor is an integral conductive part, thus avoiding the resonance problem and improving the high frequency performance of the connector.

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 assist in a comprehensive understanding of the present invention.

Description of drawings

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

FIG. 2 shows an axial cross-sectional view of the connector shown in FIG. 1, wherein the first electronic component and the second electronic component are shown;

FIG. 3 shows a perspective view of the outer conductor of the connector shown in FIG. 1;

FIG. 4 is a schematic perspective view of the insulating member of the connector shown in FIG. 1;

FIG. 5 shows a perspective view of the center terminal of the connector shown in FIG. 1;

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

FIG. 7 shows a schematic perspective view of a connector assembly according to another exemplary embodiment of the present invention.

Detailed ways

The technical solutions of the present invention 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 of 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, there is provided a connector including: an outer conductor; and a center terminal disposed in the outer conductor. The connector also includes a ring-shaped elastic conductor made of elastic conductive material, which is provided on one end of the outer conductor, and the outer conductor is in elastic electrical contact with the first electronic component through the elastic conductor. .

According to another general technical concept of the present invention, a connector assembly is provided, comprising: an insulating body formed with at least one connector mounting hole and a plurality of terminal mounting grooves; and at least one of the aforementioned connectors respectively mounted on the insulating body in at least one connector mounting hole of the insulating body; and a plurality of conductive terminals, respectively mounted in a plurality of terminal mounting grooves of the insulating body.

FIG. 1 shows a schematic perspective view of a connector 100 according to an exemplary embodiment of the present invention. FIG. 2 shows an axial cross-sectional view of the connector 100 shown in FIG. 1 , in which the first electronic component 1 and the second electronic component 2 are shown.

As shown in FIGS. 1 and 2 , in the illustrated embodiment, the connector 100 mainly includes: an outer conductor 10 and a center terminal 20 provided in the outer conductor 10 . As shown in FIG. 1 and FIG. 2 , in the illustrated embodiment, the connector 100 further includes a ring-shaped elastic conductive material made of elastic conductive material and disposed on one end (the upper end in the figure) of the outer conductor 10 . The outer conductor 10 is in elastic electrical contact with the first electronic component 1 through the elastic conductor 40 .

Please note that the elastic conductor 40 in the present application relies on the elasticity of the elastic conductive material itself to provide the elastic contact force, rather than the elastic structure to provide the elastic contact force. In an exemplary embodiment of the present invention, the elastic conductor 40 may be made of conductive glue, elastic conductive rubber or elastic conductive plastic, for example. However, the manufacturing material of the elastic conductive body 40 is not limited to the foregoing embodiments, and may also be other suitable elastic conductive materials.

FIG. 3 is a schematic perspective view of the outer conductor 10 of the connector 100 shown in FIG. 1 .

As shown in FIGS. 1 to 3 , in the illustrated embodiment, the elastic conductor 40 is directly formed on one end of the outer conductor 10 , so that the elastic conductor 40 and the outer conductor 10 are directly bonded together. For example, the elastic conductor 40 may be directly formed on one end of the outer conductor 10 by injection molding or painting.

Please note that the present invention is not limited to the foregoing embodiments, for example, in another exemplary embodiment of the present invention, the elastic conductor 40 may be a separate part separate from the outer conductor 10, and the elastic conductor 40 may pass through The conductive glue is bonded to one end of the outer conductor 10 .

As shown in FIGS. 1 to 3 , in the illustrated embodiment, a ring of positioning grooves 11 a is formed on the end surface of one end 11 a of the outer conductor 10 . The elastic conductor 40 is positioned in the positioning groove 11a. In the illustrated embodiment, in order to ensure strength, the wall thickness of one end 11a of the outer conductor 10 is larger than that of the other parts.

As shown in FIGS. 1 to 3 , in the illustrated embodiment, the elastic conductor 40 includes a base portion that is accommodated and positioned in the positioning groove 11 a and a main body portion that is positioned outside the positioning groove 11 a. The cross section of the positioning groove 11a is rectangular, and the cross section of the base of the elastic conductor 40 is also rectangular. When the base of the elastic conductor 40 is accommodated and positioned in the positioning groove 11a, the base of the elastic conductor 40 is in electrical contact with the inner wall of the positioning groove 11a. In the illustrated embodiment, as shown in FIG. 2 , the cross section of the main body portion of the elastic conductor 40 is an isosceles triangle. However, the present invention is not limited to this, and the cross-section of the main body of the elastic conductor 40 may also be in other suitable shapes, for example, an isosceles trapezoid.

As shown in FIGS. 1 to 3 , in the illustrated embodiment, the outer conductor 10 has a cylindrical shape, and the elastic conductor 40 may be bonded to an end surface of one end of the outer conductor 10 . However, the present invention is not limited thereto, for example, in another exemplary embodiment of the present invention, the elastic conductor 40 may be engaged with the end face, the outer wall and the inner wall of one end of the cylindrical outer conductor 10 to increase the The bonding force and electrical contact area between the two. In this way, the bonding force and the electrical contact area between the elastic conductor 40 and the outer conductor 10 can be increased, and the mechanical stability and electrical contact stability are improved.

As shown in FIGS. 1 to 3 , in the illustrated embodiment, the elastic conductor 40 has a contact end 40 a suitable for making electrical contact with the first electronic component 1 . The contact end 40a of the elastic conductor 40 has a flat or arc-shaped contact end surface.

FIG. 5 is a schematic perspective view of the center terminal 20 of the connector 100 shown in FIG. 1 .

As shown in Figures 1-3 and 5, in the illustrated embodiment, the outer conductor 10 is a single integral part. The central terminal 20 is a spring probe type terminal (that is, the so-called PoGo pin). The specific structure of the center terminal 20 will be described in detail below.

FIG. 4 is a schematic perspective view of the insulating member 30 of the connector 100 shown in FIG. 1 .

As shown in FIGS. 1 to 5 , in the illustrated embodiment, the connector further includes an insulating member 30 disposed between the outer conductor 10 and the center terminal 20 . Insulator 30 serves to retain center terminal 20 in outer conductor 10 and to electrically isolate center terminal 20 from outer conductor 10.

As shown in FIG. 4 , in the illustrated embodiment, the insulating member 30 includes an outer cylinder 31 and a central positioning through hole 32 in the outer cylinder 31 . The center terminal 20 is received and positioned in the center positioning through hole 32 of the insulating member 30 .

As shown in FIG. 2 and FIG. 5 , in the illustrated embodiment, the center terminal 20 mainly includes: a first center terminal 21 , a second center terminal 22 and a spring 23 . The first center terminal 21 has a first cylindrical accommodating portion 21 a and is fixed to the insulating member 30 . The second center terminal 22 is accommodated in the first cylindrical accommodating portion 21a, and is slidably assembled in the first cylindrical accommodating portion 21a. The spring 23 is accommodated in the first cylindrical accommodating portion 21 a and is pressed between the first center terminal 21 and the second center terminal 22 .

As shown in FIG. 2 and FIG. 5 , in the illustrated embodiment, the second central terminal 22 is in sliding electrical contact with the first central terminal 21 , and the second central terminal 22 is adapted to be in contact with the axial elastic force exerted by the spring 23 . Under the action, it is in elastic electrical contact with the first electronic component 1 .

As shown in FIGS. 2 and 5 , in the illustrated embodiment, the second center terminal 22 has a second cylindrical accommodating portion 22a in which at least a portion of the spring 23 is accommodated and positioned.

As shown in FIG. 2 and FIG. 5 , in the illustrated embodiment, the first central terminal 21 has a first connection end 21 b exposed from the insulating member 30 and adapted to be electrically connected to a second electronic component 2 . The second center terminal 22 has a second contact end portion 22b exposed from the insulating member 30 and adapted to be in electrical contact with the first electronic component 1 .

As shown in FIG. 2 and FIG. 5 , in the illustrated embodiment, the first connection end 21 b of the first central terminal 21 is adapted to be welded, plugged or screwed to the second electronic component 2 . The other end (the lower end in the figure) of the outer conductor 10 is suitable for being welded, plugged or screwed to the second electronic component 2 .

As shown in FIGS. 2 and 5 , in the illustrated embodiment, the first electronic component 1 and the second electronic component 2 are circuit boards. However, the present invention is not limited to the illustrated embodiment, for example, in another exemplary embodiment of the present invention, the first electronic component 1 may be a circuit board, and the second electronic component 2 may be a filter.

As shown in FIGS. 1 to 5 , in the illustrated embodiment, the connector 100 is a radio frequency connector adapted to be electrically connected between the first electronic component 1 and the second electronic component 2 . The outer conductor 10 is used for grounding, and the center terminal 20 is used for signal transmission.

FIG. 6 shows a schematic perspective view of a connector assembly according to an exemplary embodiment of the present invention.

As shown in FIG. 6 , in the illustrated embodiment, the connector assembly mainly includes: a body 300 , at least one of the aforementioned connectors 100 and a plurality of conductive terminals 200 . In the embodiment shown in FIG. 6 , the body 300 is an insulating body.

As shown in FIG. 6 , in the illustrated embodiment, at least one connector mounting hole 310 and a plurality of terminal mounting grooves 320 are formed on the insulating body 300 . At least one connector 100 is installed in at least one connector mounting hole 310 of the insulating body 300, respectively. The plurality of conductive terminals 200 are respectively installed in the plurality of terminal installation grooves 320 of the insulating body 300 .

As shown in FIG. 6, in the illustrated embodiment, each of the plurality of conductive terminals 200 has a resilient arm portion 220 adapted to be in resilient electrical contact with the first electronic component 1 and adapted to be electrically connected to the second electronic component 2 of the electrical connections 210. In an exemplary embodiment of the present invention, the electrical connection portion 210 of the conductive terminal 200 is adapted to be soldered to the second electronic component 2 in a surface mount manner.

As shown in FIG. 6 , in the illustrated embodiment, the plurality of conductive terminals 200 include a signal terminal for transmitting a signal and a power terminal for supplying power.

As shown in FIG. 6 , in the illustrated embodiment, a plurality of terminal mounting grooves 320 are arranged in two rows, and the two rows of terminal mounting grooves 320 are respectively formed on both sides of the insulating body 300 .

FIG. 7 shows a schematic perspective view of a connector assembly according to another exemplary embodiment of the present invention.

As shown in FIG. 7 , in the illustrated embodiment, the connector assembly mainly includes: a body 300 , at least one connector 100 and a plurality of conductive terminals 200 . A plurality of connector mounting holes are formed in the body 300 . The plurality of connectors 100 are respectively mounted in the plurality of connector mounting holes of the body 300 .

As shown in FIG. 7 , in the illustrated embodiment, the body 300 is a metal body. The outer conductor of the connector 100 is integrated with the metal body, and the elastic conductor 40 of the connector 100 is mounted on the metal body and formed around the connector mounting hole.

Please note that the structure of the connector 100 shown in FIG. 7 may be the same as or different from the structure of the connector 100 shown in FIGS. 1 to 6 .

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 has been 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 (24)

1. A connector comprising: an outer conductor (10); and a central terminal (20) arranged in the outer conductor (10), It is characterized by: The connector also includes a ring-shaped elastic conductor (40), which is provided on one end of the outer conductor (10) and is made of elastic conductive material. 2. The connector according to claim 1, wherein: The elastic conductive material for manufacturing the elastic conductive body (40) includes conductive glue, elastic conductive rubber or elastic conductive plastic. 3. The connector according to claim 1, wherein: The elastic conductor (40) is directly formed on one end of the outer conductor (10), so that the elastic conductor (40) and the outer conductor (10) are directly bonded together. 4. The connector according to claim 1, wherein: The elastic conductor (40) is a separate part from the outer conductor (10), and the elastic conductor (40) is bonded to one end of the outer conductor (10) by means of a conductive glue. 5. The connector of claim 1, wherein: A ring of positioning grooves (11a) is formed on the end face of one end (11a) of the outer conductor (10), and the elastic conductor (40) is positioned in the positioning grooves (11a). 6. The connector of claim 5, wherein: The elastic electrical conductor (40) comprises a base part accommodated and positioned in the positioning groove (11a) and a main body part located outside the positioning groove (11a); The cross section of the base portion of the elastic conductor (40) is rectangular, and the cross section of the main body portion of the elastic conductor (40) is isosceles triangle. 7. The connector of claim 1, wherein: The outer conductor (10) is cylindrical, and the elastic conductor (40) is engaged with the end face, the outer wall and the inner wall of one end of the outer conductor (10), so as to increase the bonding force and the inner wall between the two. electrical contact area. 8. The connector of claim 1, wherein: The elastic conductor (40) has a contact end (40a) suitable for electrical contact with the first electronic component (1), and the contact end (40a) of the elastic conductor (40) has a flat or arc shape contact end face. 9. The connector of claim 1, wherein the outer conductor (10) is a single integral part. 10. The connector of claim 1, wherein: The connector further comprises an insulating member (30) disposed between the outer conductor (10) and the central terminal (20), the insulating member (30) for holding the central terminal (20) In the outer conductor (10) and electrically isolating the central terminal (20) and the outer conductor (10). 11. The connector of claim 10, wherein: The insulating member (30) includes an outer cylinder (31) and a central positioning through hole (32) located in the outer cylinder (31), and the central terminal (20) is accommodated and positioned on the insulating member The center of (30) is positioned in the through hole (32). 12. The connector according to claim 10, wherein the central terminal (20) comprises: a first central terminal (21) having a first cylindrical accommodating portion (21a) and being fixed to the insulating member (30); a second center terminal (22) accommodated in the first cylindrical accommodating portion (21a) and slidably assembled in the first cylindrical accommodating portion (21a); and a spring (23), accommodated in the first cylindrical accommodating portion (21a) and squeezed between the first center terminal (21) and the second center terminal (22), The second central terminal (22) is in sliding electrical contact with the first central terminal (21), and the second central terminal (22) is suitable for the action of the axial elastic force exerted by the spring (23). The bottom is in elastic electrical contact with the first electronic component (1). 13. The connector of claim 12, wherein: The second center terminal (22) has a second cylindrical accommodating portion (22a) in which at least a part of the spring (23) is accommodated and positioned. 14. The connector of claim 12, wherein: The first central terminal (21) has a first connection end portion (21b) exposed from the insulating member (30) and suitable for being electrically connected with a second electronic component (2); The second central terminal (22) has a second contact end portion (22b) exposed from the insulating member (30) and adapted to be in electrical contact with the first electronic component (1). 15. The connector of claim 14, wherein: The first connection end (21b) of the first central terminal (21) is adapted to be welded, plugged or screwed to the second electronic component (2); and The other end of the outer conductor (10) is suitable for being welded, plugged or screwed to the second electronic component (2). 16. The connector of claim 14, wherein: The first electronic component (1) may be a circuit board, and the second electronic component (2) may be a circuit board or a filter. 17. The connector of claim 14, wherein: The connector is a radio frequency connector suitable for being electrically connected between the first electronic component (1) and the second electronic component (2). 18. A connector assembly, comprising: a body (300), formed with a plurality of connector mounting holes (310); a plurality of connectors (100), respectively mounted in the connector mounting holes (310) of the body (300); The connector (100) comprises an outer conductor (10), and a central terminal (20) arranged in the outer conductor (10), wherein one end of the outer conductor (10) is provided with a spring conductive material Elastic conductor (40). 19. The connector according to claim 18, wherein the body (300) is an insulating body. 20. The connector of claim 19, wherein: The insulating body further includes a plurality of terminal installation grooves (320), and the connector further includes a plurality of conductive terminals (200), and the plurality of conductive terminals (200) are respectively installed in the plurality of terminal installation grooves (320) of the insulating body. 320) in. 21. The connector assembly of claim 18, wherein: The plurality of conductive terminals (200) include signal terminals for transmitting signals and power terminals for power supply. 22. The connector assembly of claim 20, wherein: The plurality of terminal mounting grooves (320) are arranged in two rows, and the two rows of terminal mounting grooves (320) are respectively formed on both sides of the insulating body. 23. The connector according to claim 18, wherein the body (300) is a metal body. 24. The connector according to claim 23, wherein the outer conductor of the connector is integrated with the metal body, and the elastic conductor (40) is mounted on the metal body and formed in the connector mounting hole around.

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