Coaxial Connectors

Abstract

The present invention discloses a coaxial connector, comprising an insulating body, a static terminal and a dynamic terminal contained in the insulating body, and a metal shell disposed outside the insulating body, wherein the dynamic terminal contacts the lower surface of the dynamic terminal under normal conditions, and the upper end surface of the insulating body is concavely provided with a first plug hole and a second plug hole located beside the first plug hole and smaller in size than the first plug hole, the dynamic terminal is provided with a first contact portion exposed to the first plug hole, and the static terminal is provided with a second contact portion exposed to the second plug hole. By respectively providing plug holes corresponding to the dynamic terminal and the static terminal, different signal measurements can be performed on the dynamic terminal and the static terminal using a plug pin.

Description

[Technical field]

[0001] The present invention relates to a coaxial connector, in particular to a coaxial connector with a switch arranged in a communication device. [Background technology]

[0002] For related prior art, please refer to Chinese invention patent No. CN104584340B, which discloses a coaxial connector, which includes a first resin component, a second resin component, a fixed terminal, a movable terminal and a metal shell, wherein the fixed terminal and the movable terminal are arranged between the first resin component and the second resin component, and the metal shell is installed on the outside of the first resin component and the second resin component. The movable terminal contacts the lower end of the fixed terminal under normal conditions, and the first resin component is provided with a through hole, and the contact portion of the movable terminal is exposed to the through hole for the insertion of the pin. However, the pin can only achieve electrical connection with the movable terminal through the above-mentioned through hole to achieve signal measurement of the movable terminal, while the fixed terminal cannot achieve the purpose of measurement.

[0003] Therefore, it is necessary to provide a new coaxial connector to overcome the above-mentioned defects. [Summary of the invention]

[0004] The object of the present invention is to provide a switch coaxial connector capable of measuring signals of a moving terminal and a static terminal.

[0005] To achieve the above-mentioned purpose, the present invention discloses a coaxial connector, comprising an insulating body, a static terminal and a dynamic terminal accommodated in the insulating body, and a metal shell arranged on the outside of the insulating body, the dynamic terminal being in contact with the lower surface of the dynamic terminal under normal conditions, the upper end surface of the insulating body being recessed with a first plug hole and a second plug hole located beside the first plug hole and having a smaller size than the first plug hole, the dynamic terminal being provided with a first contact portion exposed to the first plug hole, and the static terminal being provided with a second contact portion exposed to the second plug hole.

[0006] Furthermore, looking downward from the upper end surface of the insulating body, the second plug hole is connected to the first plug hole.

[0007] Furthermore, the first socket is used to receive a first pin, and the first socket and the second socket are used together to receive a second pin, the first pin is a first metal plug-in inserted into the first socket to abut the first contact portion, the second pin includes a second metal plug-in inserted into the second socket to abut the second contact portion and an insulating plug-in located next to the second metal plug-in and inserted into the first socket to abut the first contact portion, the insulating plug-in extending downward beyond the second metal plug-in.

[0008] Furthermore, when the first socket is inserted into the first metal plug-in, the first metal plug-in presses the first contact portion downward to disconnect the movable terminal from the static terminal, and the first metal plug-in is electrically connected to the first contact portion; when the first socket and the second socket are inserted into the second pin, the insulating plug-in of the second pin presses the first contact portion downward to disconnect the movable terminal from the static terminal, and the second metal plug-in is electrically connected to the second contact portion.

[0009] Furthermore, the insulating pin is injection molded or assembled and fixed to the second metal plug-in.

[0010] Furthermore, the insulating body includes a base and an annular docking portion installed at the upper end of the base, the first socket and the second socket are formed through the upper and lower end surfaces of the annular docking portion, the movable terminal and the static terminal are integrally formed on the base, the movable terminal includes a first holding portion fixed in the base, an elastic arm bent and extended from one end of the first holding portion and located at the upper end of the base, and a first welding portion bent and extended from the other end of the first holding portion, the elastic arm is provided with the first contact portion exposed to the first socket, the static terminal includes a second holding portion fixed in the base, a contact arm bent and extended from one end of the second holding portion and located above the elastic arm and in contact with the elastic arm under normal conditions, and a second welding portion bent and extended from the other end of the second holding portion, the upper surface of the contact arm forms a second contact portion exposed to the second socket, and the free end of the elastic arm is in contact with the lower surface of the contact arm under normal conditions.

[0011] Furthermore, the insulating body extends longitudinally, the first jack and the second jack constitute a jack group, the movable terminal and the static terminal constitute a terminal group, the annular docking portion is provided with at least two of the jack groups arranged at intervals along the longitudinal direction, and the base is integrally formed with at least two of the terminal groups arranged at intervals along the longitudinal direction.

[0012] Furthermore, the metal shell includes a base and an annular wall extending upward from the base and arranged outside the annular docking portion, the lateral sides of the base extend downward to form grounding pins, the first welding parts of adjacent terminal groups and the second welding parts of adjacent terminal groups are respectively located on the lateral sides of the base, and the grounding pin is arranged between the first welding parts of adjacent terminal groups and the second welding parts of adjacent terminal groups.

[0013] Furthermore, the upper end of the base is recessed downwardly and provided with a clearance groove located below the elastic arm, and the clearance groove provides a clearance space for the elastic arm to elastically deform downward. A pair of support arms with lower ends suspended from the upper end of the base are connected to both sides of the elastic arm, and the free ends of the support arms rest against the steps provided on the base.

[0014] Furthermore, both sides of the contact arm of the static terminal protrude to form abutment portions, and the upper end of the base protrudes to form a protrusion that supports the abutment portions upwards.

[0015] Compared with the prior art, the present invention has the following beneficial effects: the coaxial connector of the present invention is provided with a first plug hole corresponding to the moving terminal and a second plug hole corresponding to the static terminal having a size smaller than the first plug hole on the upper end surface of the insulating body, so that the signal of the moving terminal and the static terminal can be measured by inserting a pin into the first plug hole and the second plug hole.

Brief Description of the Drawings

[0016] Figure 1 It is a stereogram of the coaxial connector of the present invention.

[0017] Figure 2 yes Figure 1 Another perspective of the stereogram.

[0018] Figure 3 It is a three-dimensional exploded view of the coaxial connector of the present invention.

[0019] Figure 4 yes Figure 3 Another perspective exploded view.

[0020] Figure 5 It is a three-dimensional exploded view of the coaxial connector of the present invention, wherein the terminal group is arranged on the base.

[0021] Figure 6 yes Figure 1 Section view along line AA.

[0022] Figure 7 yes Figure 1 Section view along line BB.

[0023] Figure 8 yes Figure 6 Diagram of inserting the first pin.

[0024] Fig. 9 yes Figure 6 Diagram for inserting the second pin.

[0025] The following specific implementation manner will further illustrate the present invention in conjunction with the above-mentioned drawings. [Specific implementation method]

[0026] Below is the attached figure Figures 1 to 9 The specific implementation of the coaxial connector 100 of the present invention is described below. The coaxial connector 100 of the present invention is installed on a circuit board (not shown), and the coaxial connector 100 includes an insulating body 1, a static terminal 21 and a dynamic terminal 22 accommodated and held in the insulating body, and a metal shell 3 disposed outside the insulating body 1. The static terminal 21 and the dynamic terminal 22 constitute a terminal group 2, and the dynamic terminal 22 is in contact with the lower surface of the static terminal 21 under normal conditions.

[0027] The upper end surface 10 of the insulating body 1 is concave downwardly provided with a first plug hole 101 and a second plug hole 102 located beside the first plug hole 101. Preferably, the size of the second plug hole 102 is smaller than that of the first plug hole 101. The movable terminal 22 is provided with a first contact portion 221 exposed to the first plug hole 101, and the static terminal 21 is provided with a second contact portion 211 exposed to the second plug hole 102. The first plug hole 101 is used for inserting a first plug pin 200 to electrically connect with the first contact portion 221 of the movable terminal 22, and the second plug hole 102 is used for inserting a second plug pin 300 to electrically connect with the second contact portion 211 of the static terminal 21. In a preferred embodiment of the present invention, from the upper end surface of the insulating body 1, the second plug hole 102 is connected with the first plug hole 101, and of course, the second plug hole 102 and the first plug hole 101 can also be arranged without being connected. In the present invention, the first plug hole 101 is roughly circular, and the second plug hole 102 is roughly rectangular.

[0028] Specifically, the insulating body 1 includes a base 11 and an annular docking portion 12 installed from top to bottom at the upper end of the base 11. The first plug hole 101 and the second plug hole 102 are formed through the upper and lower end surfaces of the annular docking portion 12. The movable terminal 22 and the static terminal 21 are integrally formed on the base 11, and the movable terminal 22 and the static terminal 21 are respectively fixed on opposite sides of the base 11. The movable terminal 22 includes a first holding portion 222 fixed in the base 11, an elastic arm 223 formed by bending and extending from one end of the first holding portion 222 and located at the upper end of the base 11, and a first welding portion 224 formed by bending and extending from the other end of the first holding portion 222, and the elastic arm 223 is provided with the first contact portion 221 exposed to the first plug hole 101. The static terminal 21 includes a second retaining portion 212 retained in the base 11, a contact arm 213 formed by bending and extending from one end of the second retaining portion 212 and located above the elastic arm 223 and in contact with the elastic arm 223 under normal conditions, and a second welding portion 214 formed by bending and extending from the other end of the second retaining portion 212, the upper surface of the contact arm 213 forms the second contact portion 211 exposed to the second socket 102, and the free end 2231 of the elastic arm 223 is in contact with the lower surface of the contact arm 213 under normal conditions.

[0029] The first plug hole 101 is used to receive the first plug pin 200, which is a first metal plug 200 inserted into the first plug hole 101 to abut against the first contact portion 221. When the first plug hole 101 is inserted into the first metal plug 200, the first metal plug 200 presses the first contact portion 221 downward to disconnect the movable terminal 22 from the static terminal 21 downward. At this time, the first metal plug 200 is electrically connected to the first contact portion 221, so that the signal of the movable terminal can be measured, that is, the characteristics of the high-frequency circuit can be measured. The first plug hole 101 and the second plug hole 102 are used to receive the second plug pin 300, and the second plug pin 300 includes a second metal plug 301 inserted into the second plug hole 102 to abut against the second contact portion 211 and an insulating plug 302 located beside the second metal plug 301 and inserted into the first plug hole 101 to abut against the first contact portion 221, and the insulating plug 302 extends downward beyond the second metal plug 301. The insulating plug 302 is injection molded on the second metal plug 301 or assembled and fixed on the second metal plug 301, so that the insulating plug 302 and the second metal plug 301 form an integral component. When the first jack 101 and the second jack 102 are inserted into the second pin 300, the insulating plug 302 of the second pin 300 presses the first contact portion 221 downward to disconnect the movable terminal 22 from the static terminal 21. At this time, the second metal pin 301 is electrically connected to the second contact portion 211, so that the signal of the static terminal 21 can be measured, that is, the characteristics of the antenna can be measured. In addition, it should be particularly noted that the connection relationship between the high-frequency circuit and the antenna can also be reversed.

[0030] The upper end of the base 11 is recessed downwardly with a clearance groove 111 located below the elastic arm 223, and the clearance groove 111 provides clearance space for the elastic arm 223 to deform downward elastically. A pair of support arms 225 are connected to both sides of the width direction of the elastic arm 223, and the lower ends of the pair of support arms 225 are suspended from the upper end of the base 11. The free ends of the support arms 225 abut against the steps 112 provided on the base 11, and the support arms 225 provide reliable elastic support force for the elastic arm 223. Since the static terminal 21 is abutted by the second metal plug 301, in order to prevent the static terminal 21 from being deformed downward by the abutment of the second metal plug 301, the two sides of the width direction of the contact arm 213 of the static terminal 21 protrude to form abutment parts 215, and the upper end of the base 11 protrudes with a protrusion 113 that supports the abutment inner part 215 upward.

[0031] In the present invention, the insulating body 1 extends in the longitudinal direction, the first jack 101 and the second jack 102 form a jack group 400, the movable terminal 22 and the static terminal 21 form a terminal group 500, the annular docking portion 12 is provided with at least two jack groups 400 arranged in a longitudinal interval, and the base 11 is integrally formed with at least two terminal groups 500 arranged in a longitudinal interval. Compared with the coaxial connector having only one terminal group 500 arranged side by side, the coaxial connector 100 of the present invention integrates at least two terminal groups 500 into one body, which can effectively reduce the area of ​​the circuit board (not shown) occupied by the coaxial connector 100. The lower end of the annular docking portion 12 extends outward to form a substrate 121, and the metal shell 3 includes a base 31 abutting against the upper end of the substrate 121 and an annular wall 32 extending upward from the base 31 and arranged outside the annular docking portion 12. The first welding parts 224 of the adjacent terminal groups 500 and the second welding parts 214 of the adjacent terminal groups 500 are respectively located on the lateral sides of the base 11. The lateral sides of the base 31 extend downward to form grounding pins 33. The grounding pins 33 are arranged between the first welding parts 224 of the adjacent terminal groups 500 located on the same side of the base 11, and the grounding pins 33 are arranged between the second welding parts 214 of the adjacent terminal groups 500 located on the same side of the base 11. The grounding pins 33 are arranged to reduce signal interference between adjacent terminal groups 500. In addition, the longitudinal sides of the base 31 are bent downward to form a welding plate part 34 located at the lower end of the base 11. The welding plate part 34 provides the coaxial connector 100 with reliable welding plate reliability.

[0032] The above descriptions are only several embodiments of the present invention, not all embodiments. Any equivalent changes made to the technical solution of the present invention by ordinary technicians in this field after reading the specification of the present invention are covered by the claims of the present invention.

Claims

1. A coaxial connector, comprising an insulating body, a static terminal and a dynamic terminal received in the insulating body, and a metal shell disposed outside the insulating body, wherein the dynamic terminal is in contact with the lower surface of the static terminal under normal conditions, and characterized in that: The upper end surface of the insulating body is recessed with a first socket and a second socket located beside the first socket and having a smaller size than the first socket, the movable terminal is provided with a first contact portion exposed to the first socket, and the static terminal is provided with a second contact portion exposed to the second socket, the first socket is used to receive a first pin, and the first socket and the second socket are used together to receive a second pin, the size of the first socket matches the first pin, and the size of the socket formed by the first socket and the second socket matches the second pin, the first pin is a first metal plug-in inserted into the first socket to abut against the first contact portion, the second pin includes a second metal plug-in inserted into the second socket to abut against the second contact portion and an insulating plug-in located beside the second metal plug-in and inserted into the first socket to abut against the first contact portion, and the insulating plug-in extends downward beyond the second metal plug-in.

2. The coaxial connector according to claim 1, wherein: Looking downward from the upper end surface of the insulating body, the second plug hole is connected to the first plug hole.

3. The coaxial connector according to claim 1, wherein: When the first socket is inserted into the first metal plug-in, the first metal plug-in presses the first contact portion downward to disconnect the movable terminal from the static terminal, and the first metal plug-in is electrically connected to the first contact portion; when the first socket and the second socket are inserted into the second pin, the insulating plug-in of the second pin presses the first contact portion downward to disconnect the movable terminal from the static terminal, and the second metal plug-in is electrically connected to the second contact portion.

4. The coaxial connector according to claim 1, wherein: The insulating insert is injection molded or assembled and fixed to the second metal insert.

5. The coaxial connector according to claim 1, wherein: The insulating body includes a base and an annular docking portion installed at the upper end of the base, the first insertion hole and the second insertion hole are formed through the upper and lower end surfaces of the annular docking portion, the movable terminal and the static terminal are integrally formed on the base, the movable terminal includes a first holding portion fixed in the base, an elastic arm bent and extended from one end of the first holding portion and located at the upper end of the base, and a first welding portion bent and extended from the other end of the first holding portion, the elastic arm is provided with the first contact portion exposed to the first insertion hole, the static terminal includes a second holding portion fixed in the base, a contact arm bent and extended from one end of the second holding portion and located above the elastic arm and in contact with the elastic arm under normal conditions, and a second welding portion bent and extended from the other end of the second holding portion, the upper surface of the contact arm forms a second contact portion exposed to the second insertion hole, and the free end of the elastic arm is in contact with the lower surface of the contact arm under normal conditions.

6. The coaxial connector according to claim 5, characterized in that: The insulating body extends longitudinally, the first jack and the second jack constitute a jack group, the movable terminal and the static terminal constitute a terminal group, the annular docking portion is provided with at least two of the jack groups arranged at intervals along the longitudinal direction, and the base is integrally formed with at least two of the terminal groups arranged at intervals along the longitudinal direction.

7. The coaxial connector according to claim 6, wherein: The metal shell includes a base and an annular wall extending upward from the base and arranged outside the annular docking portion. The lateral sides of the base extend downward to form grounding pins. The first welding parts of adjacent terminal groups and the second welding parts of adjacent terminal groups are respectively located on the lateral sides of the base. The grounding pin is arranged between the first welding parts of adjacent terminal groups and the second welding parts of adjacent terminal groups.

8. The coaxial connector according to claim 5, wherein: The upper end of the base is recessed downwardly with a clearance groove located below the elastic arm, and the clearance groove provides a clearance space for the elastic arm to elastically deform downward. A pair of support arms with lower ends suspended from the upper end of the base are connected to both sides of the elastic arm, and the free ends of the support arms rest against the steps provided on the base.

9. The coaxial connector according to claim 5, wherein: Both sides of the contact arm of the static terminal protrude to form abutment portions, and the upper end of the base protrudes to form a protrusion that supports the abutment portions upwards.

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