CN220857140U - Coaxial connector and coaxial connector assembly - Google Patents
Coaxial connector and coaxial connector assembly Download PDFInfo
- Publication number
- CN220857140U CN220857140U CN202322419840.9U CN202322419840U CN220857140U CN 220857140 U CN220857140 U CN 220857140U CN 202322419840 U CN202322419840 U CN 202322419840U CN 220857140 U CN220857140 U CN 220857140U
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- coaxial connector
- mating
- cable
- shield
- shell
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- 239000012212 insulator Substances 0.000 claims abstract description 24
- 239000004020 conductor Substances 0.000 claims abstract description 11
- 230000002093 peripheral effect Effects 0.000 claims description 59
- 230000013011 mating Effects 0.000 claims description 43
- 239000000565 sealant Substances 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 9
- 238000002788 crimping Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The utility model discloses a coaxial connector and a coaxial connector assembly. The coaxial connector includes: an outer case formed with a mounting hole; and a cable assembly inserted into the mounting hole of the outer case. The cable assembly includes: a shield case; an insulator disposed in the shield case; a center terminal held in the insulator; and a cable having a shield layer and a conductor core electrically connected to the shield case and a rear end of the center terminal, respectively. The front ends of the shielding shell and the center terminal extend into the inner cavity of the outer shell and are used for being respectively connected with the matched shielding shell and the matched center terminal of the matched coaxial connector inserted into the inner cavity in a matched mode. In the utility model, the coaxial connector is directly integrated with the cable, so that a cable switching connector for switching the cable to the coaxial connector is omitted, thereby reducing the volume of the coaxial connector assembly and enabling the coaxial connector assembly to be applied to the environment with limited space.
Description
Technical Field
The present utility model relates to a coaxial connector and a coaxial connector assembly including the same.
Background
In the prior art, in order to achieve an electrical connection between a coaxial cable and a coaxial connector, a cable transit connector is connected to one end of the coaxial cable, and the cable transit connector can be connected to the coaxial connector in a pluggable manner. However, in many applications, it is difficult to accommodate the cable transit connector due to limited space, which results in a greatly limited range of applications for the coaxial connector assembly.
Disclosure of utility model
The present utility model is directed to solving at least one of the above-mentioned problems and disadvantages of the prior art.
According to one aspect of the present utility model, a coaxial connector is provided. The coaxial connector includes: an outer case formed with a mounting hole; and a cable assembly inserted into the mounting hole of the outer case. The cable assembly includes: a shield case; an insulator disposed in the shield case; a center terminal held in the insulator; and a cable having a shield layer and a conductor core electrically connected to the shield case and a rear end of the center terminal, respectively. The front ends of the shielding shell and the center terminal extend into the inner cavity of the outer shell and are used for being respectively connected with the matched shielding shell and the matched center terminal of the matched coaxial connector inserted into the inner cavity in a matched mode.
According to an exemplary embodiment of the utility model, the outer housing comprises: a peripheral wall surrounding the lumen; an end wall connected to a rear end of the peripheral wall; and a connection end formed protrusively on an outer side of the end wall, the mounting hole penetrating the connection end and the end wall in an axial direction thereof, the shield shell of the cable assembly being inserted and fixed into the mounting hole.
According to another exemplary embodiment of the present utility model, a flange portion is formed on an outer peripheral surface of the shield case, and the flange portion is interference-fitted with an inner peripheral surface of the mounting hole to fix the shield case in the mounting hole.
According to another exemplary embodiment of the present utility model, a positioning step is formed on an inner peripheral surface of the mounting hole of the outer case, the positioning step being axially abutted against a front end surface of the flange portion to axially position the shield case.
According to another exemplary embodiment of the present utility model, the coaxial connector further comprises: and an end cap injection molded over the connection end of the outer housing and the shield shell and cable of the cable assembly for securing the cable to the outer housing and sealing the mounting hole. Or a sealant is poured into the connection end of the outer case, and the poured sealant is cured in the connection end of the outer case, thereby fixing the cable to the outer case and sealing the mounting hole.
According to another exemplary embodiment of the present utility model, the end cap includes: an inner peripheral wall coupled between an inner peripheral surface of the mounting hole and an outer peripheral surface of the shield case; an outer peripheral wall coupled to an outer peripheral surface of a connection end of the outer case; and an end wall connected to one ends of the inner peripheral wall and the outer peripheral wall and bonded to an outer peripheral surface of the cable.
According to another exemplary embodiment of the present utility model, a first concave-convex structure is formed on an outer circumferential surface of the shield case, and an inner circumferential wall of the end cap is engaged with the first concave-convex structure to increase an engagement force between the end cap and the shield case.
According to another exemplary embodiment of the present utility model, a second concave-convex structure is formed on an outer circumferential surface of the connection end of the outer case, and an outer circumferential wall of the end cap is engaged with the second concave-convex structure to increase an engagement force between the end cap and the connection end.
According to another exemplary embodiment of the present utility model, the coaxial connector further comprises: a crimp ring for laminating the shield layer of the cable to the rear end of the shield shell, the crimp ring being fitted over the rear end of the shield shell, and a portion of the end cap being bonded to an outer peripheral surface of the crimp ring.
According to another exemplary embodiment of the present utility model, the rear end of the center terminal is cylindrical and is pressed onto the conductor core of the cable to be electrically connected with the conductor core.
According to another exemplary embodiment of the present utility model, the front end of the shielding shell is cylindrical and is used for being connected with the matching shielding shell in a matching way; and the front end of the center terminal is needle-shaped and centrally disposed in the front end of the shield shell for mating connection with the mating center terminal.
According to another exemplary embodiment of the present utility model, a sealant is poured into an inner cavity of the front end of the shield case, the sealant being bonded between an inner circumferential surface of the shield case and an outer circumferential surface of the center terminal to achieve sealing therebetween, and simultaneously achieving sealing between the shield case and the insulator and between the insulator and the center terminal.
According to another exemplary embodiment of the present utility model, the sealant is bonded to the front end surface of the insulator, and the front end surface of the insulator is formed in a stepped shape to increase the bonding force between the sealant and the insulator.
According to another aspect of the present utility model, a coaxial connector assembly is provided. The coaxial connector assembly includes: the coaxial connector; and a mating coaxial connector mated with the coaxial connector.
According to an exemplary embodiment of the present utility model, the mating coaxial connector includes: an alignment outer shell, which is aligned with the outer shell; the matched shielding shell is arranged in the matched outer shell and is used for being matched and connected with the front end of the shielding shell; and a mating center terminal provided in the mating shield case for mating connection with a front end of the center terminal.
In the foregoing exemplary embodiments according to the present utility model, the coaxial connector is directly integrated with the cable, and thus a cable transfer connector for transferring the cable to the coaxial connector is omitted, thereby reducing the volume of the coaxial connector assembly, enabling its application in a space-constrained environment.
Other objects and advantages of the present utility model will become apparent from the following description of the utility model with reference to the accompanying drawings, which provide a thorough understanding of the present utility model.
Drawings
Fig. 1 shows a schematic perspective view of a coaxial connector according to an exemplary embodiment of the present utility model, as seen from the front side;
fig. 2 shows a schematic perspective view of a coaxial connector according to an exemplary embodiment of the present utility model, as seen from the rear side;
Fig. 3 shows a perspective cross-sectional view of a coaxial connector according to an exemplary embodiment of the present utility model;
Fig. 4 shows a plan cross-sectional view of a coaxial connector according to an exemplary embodiment of the present utility model;
fig. 5 shows an exploded schematic view of a coaxial connector according to an exemplary embodiment of the present utility model, wherein the end cap is not shown;
fig. 6 shows an assembled schematic view of a coaxial connector according to an exemplary embodiment of the utility model, wherein the end cap is not shown.
Detailed Description
The technical scheme of the utility model is further specifically described below through examples and with reference to the accompanying drawings. In the specification, the same or similar reference numerals denote the same or similar components. The following description of embodiments of the present utility model with reference to the accompanying drawings is intended to illustrate the general inventive concept and should not be taken as limiting the utility model.
Furthermore, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the present disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in the drawings in order to simplify the drawings.
According to one general technical concept of the present utility model, a coaxial connector is provided. The coaxial connector includes: an outer case formed with a mounting hole; and a cable assembly inserted into the mounting hole of the outer case. The cable assembly includes: a shield case; an insulator disposed in the shield case; a center terminal held in the insulator; and a cable having a shield layer and a conductor core electrically connected to the shield case and a rear end of the center terminal, respectively. The front ends of the shielding shell and the center terminal extend into the inner cavity of the outer shell and are used for being respectively connected with the matched shielding shell and the matched center terminal of the matched coaxial connector inserted into the inner cavity in a matched mode.
According to another general technical concept of the present utility model, a coaxial connector assembly is provided. The coaxial connector assembly includes: the coaxial connector; and a mating coaxial connector mated with the coaxial connector.
Fig. 1 shows a schematic perspective view of a coaxial connector according to an exemplary embodiment of the present utility model, as seen from the front side; fig. 2 shows a schematic perspective view of a coaxial connector according to an exemplary embodiment of the present utility model, as seen from the rear side; fig. 3 shows a perspective cross-sectional view of a coaxial connector according to an exemplary embodiment of the present utility model; fig. 4 shows a plan cross-sectional view of a coaxial connector according to an exemplary embodiment of the present utility model; fig. 5 shows an exploded schematic view of a coaxial connector according to an exemplary embodiment of the present utility model, wherein the end cap 16 is not shown; fig. 6 shows an assembled schematic view of a coaxial connector according to an exemplary embodiment of the utility model, wherein the end cap 16 is not shown.
As shown in fig. 1-6, in one exemplary embodiment of the present utility model, a coaxial connector is disclosed. The coaxial connector includes: an outer housing 2 and a cable assembly 1. The outer case 2 is formed with a mounting hole 202. The cable assembly 1 is inserted into the mounting hole 202 of the outer housing 2. The cable assembly 1 includes: a shield shell 11, a center terminal 12, an insulator 13, and a cable 14. An insulator 13 is provided in the shield shell 11. The center terminal 12 is held in the insulator 13. The shield layer 141 of the cable 14 is electrically connected to the rear end 11b of the shield shell 11, and the conductor core 142 of the cable 14 is electrically connected to the rear end 12b of the center terminal 12.
As shown in fig. 1 to 6, in the illustrated embodiment, the front ends 11a, 12a of the shield shell 11 and the center terminal 12 protrude into the inner cavity 201 of the outer housing 2 for mating connection with a mating shield shell (not shown) and a mating center terminal (not shown) of a mating coaxial connector (not shown) inserted into the inner cavity 201, respectively.
As shown in fig. 1 to 6, in the illustrated embodiment, the outer case 2 includes: a peripheral wall 21, an end wall 22 and a connecting end 23. The peripheral wall 21 surrounds the lumen 201. An end wall 22 is connected to the rear end of the peripheral wall 21. The connection end 23 is formed protrusively on the outer side of the end wall 22. The mounting hole 202 penetrates the connection end 23 and the end wall 22 in the axial direction thereof, and the shield shell 11 of the cable assembly 1 is inserted and fixed into the mounting hole 202.
As shown in fig. 1 to 6, in the illustrated embodiment, a flange portion 111 is formed on the outer peripheral surface of the shield shell 11, and the flange portion 111 is interference-fitted with the inner peripheral surface of the mounting hole 202 to fix the shield shell 11 in the mounting hole 202.
As shown in fig. 1 to 6, in the illustrated embodiment, a positioning step 202a is formed on the inner peripheral surface of the mounting hole 202 of the outer case 2, the positioning step 202a axially abutting on the front end surface of the flange portion 111 to axially position the shield shell 11.
As shown in fig. 1-6, in the illustrated embodiment, the coaxial connector further includes an end cap 16, the end cap 16 being injection molded over the connection end 23 of the outer housing 2 and the shield shell 11 and cable 14 of the cable assembly 1 for securing the cable 14 to the outer housing 2 and sealing the mounting hole 202.
Note that the present utility model is not limited to the illustrated embodiment, and for example, a sealant may be poured in the connection end 23 of the outer case 2, and the poured sealant is cured in the connection end 23 of the outer case 2, so that the cable 14 may be fixed to the outer case 2 and the mounting hole 202 by the poured sealant.
As shown in fig. 1-6, in the illustrated embodiment, the end cap 16 includes: an inner peripheral wall 161, an outer peripheral wall 162, and an end wall 160. An inner peripheral wall 161 of the end cap 16 is coupled between an inner peripheral surface of the mounting hole 202 and an outer peripheral surface of the shield shell 11. The outer peripheral wall 162 of the end cap 16 is bonded to the outer peripheral surface of the connecting end 23 of the outer case 2. An end wall 160 of the end cap 16 is connected to one end of an inner peripheral wall 161 and an outer peripheral wall 162 and is bonded to the outer peripheral surface of the cable 14.
As shown in fig. 1 to 6, in the illustrated embodiment, a first concave-convex structure 11c is formed on the outer peripheral surface of the shield shell 11, and the inner peripheral wall 161 of the end cap 16 is engaged with the first concave-convex structure 11c to increase the engagement force between the end cap 16 and the shield shell 11.
As shown in fig. 1 to 6, in the illustrated embodiment, a second concave-convex structure 23c is formed on the outer peripheral surface of the connection end 23 of the outer case 2, and the outer peripheral wall 162 of the end cap 16 is engaged with the second concave-convex structure 23c to increase the engagement force between the end cap 16 and the connection end 23.
As shown in fig. 1 to 6, in the illustrated embodiment, the coaxial connector further includes a crimp ring 15, the crimp ring 15 being for crimping the shield 141 of the cable 14 onto the rear end 11b of the shield shell 11. The crimp ring 15 is fitted over the rear end 11b of the shield shell 11, and a part of the end cap 16 is bonded to the outer peripheral surface of the crimp ring 15.
As shown in fig. 1 to 6, in the illustrated embodiment, the rear end 12b of the center terminal 12 is cylindrical and is crimped onto the conductor core 142 of the cable 14 to be electrically connected with the conductor core 142.
As shown in fig. 1 to 6, in the illustrated embodiment, the front end 11a of the shield shell 11 is cylindrical for mating connection with a mating shield shell. The front end 12a of the center terminal 12 is needle-shaped and centrally provided in the front end 11a of the shield shell 11 for mating connection with a mating center terminal.
As shown in fig. 1 to 6, in the illustrated embodiment, a sealant 17 is poured into an inner cavity of the front end 11a of the shield shell 11, and the sealant 17 is bonded between an inner peripheral surface of the shield shell 11 and an outer peripheral surface of the center terminal 12 to achieve sealing therebetween, and simultaneously achieve sealing between the shield shell 11 and the insulator 13 and between the insulator 13 and the center terminal 12.
As shown in fig. 1 to 6, in the illustrated embodiment, the sealant 17 is bonded to the front end surface of the insulator 13, and the front end surface of the insulator 13 is formed in a stepped shape to increase the bonding force between the sealant 17 and the insulator 13.
In another exemplary embodiment of the present utility model, as shown in fig. 1-6, a coaxial connector assembly is also disclosed. The coaxial connector assembly includes: the coaxial connector; and a mating coaxial connector mated with the coaxial connector.
As shown in fig. 1 to 6, in the illustrated embodiment, the mating coaxial connector includes: a mating outer housing (not shown), a mating shield housing (not shown), and a mating center terminal (not shown). The mating outer shell is mated with the outer shell 2. The mating shield shell is provided in the mating outer housing for mating connection with the front end 11a of the shield shell 11. The mating center terminal is provided in the mating shield case for mating connection with the front end 12a of the center terminal 12.
It will be appreciated by those skilled in the art that the above-described embodiments are exemplary and that modifications may be made to the embodiments described in various embodiments without structural or conceptual aspects and that these variations may be resorted to without departing from the scope of the utility model.
Although the present utility model has been described with reference to the accompanying drawings, the examples disclosed in the drawings are intended to illustrate preferred embodiments of the utility model and are not to be construed as limiting the utility model.
Although a few embodiments of the present general inventive concept have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the claims and their equivalents.
It should be noted that the word "comprising" does not exclude other elements or steps, and that the word "a" or "an" does not exclude a plurality. In addition, any element numbers of the claims should not be construed as limiting the scope of the utility model.
Claims (15)
1. A coaxial connector, comprising:
an outer case (2) in which a mounting hole (202) is formed; and
A cable assembly (1) inserted into a mounting hole (202) of the outer housing (2),
The cable assembly (1) comprises:
a shield case (11);
An insulator (13) provided in the shield case (11);
A center terminal (12) held in the insulator (13); and
A cable (14) having a shield layer (141) and a conductor core (142) electrically connected to rear ends (11 b, 12 b) of the shield shell (11) and the center terminal (12), respectively, the shield shell (11) and front ends (11 a, 12 a) of the center terminal (12) extending into an inner cavity (201) of the outer housing (2) for mating connection with a mating shield shell and a mating center terminal of a mating coaxial connector inserted into the inner cavity (201), respectively.
2. The coaxial connector of claim 1, wherein:
the outer housing (2) comprises:
-a peripheral wall (21) surrounding said lumen (201);
An end wall (22) connected to the rear end of the peripheral wall (21); and
-A connection end (23) formed protrusively on an outer side of the end wall (22), -the mounting hole (202) penetrating the connection end (23) and the end wall (22) in an axial direction thereof, -the shield shell (11) of the cable assembly (1) being inserted and fixed into the mounting hole (202).
3. The coaxial connector of claim 2, wherein:
A flange portion (111) is formed on the outer peripheral surface of the shield shell (11), and the flange portion (111) is in interference fit with the inner peripheral surface of the mounting hole (202) to fix the shield shell (11) in the mounting hole (202).
4. A coaxial connector according to claim 3, wherein:
A positioning step (202 a) is formed on the inner peripheral surface of the mounting hole (202) of the outer case (2), and the positioning step (202 a) axially abuts against the front end surface of the flange portion (111) to axially position the shield case (11).
5. The coaxial connector of claim 1, further comprising:
An end cap (16) injection molded over the connection end (23) of the outer housing (2) and the shielding shell (11) and cable (14) of the cable assembly (1) for securing the cable (14) to the outer housing (2) and sealing the mounting hole (202).
6. The coaxial connector of claim 5, wherein:
The end cap (16) comprises:
An inner peripheral wall (161) that is coupled between the inner peripheral surface of the mounting hole (202) and the outer peripheral surface of the shield shell (11);
An outer peripheral wall (162) that is bonded to the outer peripheral surface of the connection end (23) of the outer case (2); and
An end wall (160) connected to one end of the inner peripheral wall (161) and the outer peripheral wall (162) and bonded to the outer peripheral surface of the cable (14).
7. The coaxial connector of claim 6, wherein:
A first concave-convex structure (11 c) is formed on the outer peripheral surface of the shield shell (11), and an inner peripheral wall (161) of the end cap (16) is engaged with the first concave-convex structure (11 c) to increase the engagement force between the end cap (16) and the shield shell (11).
8. The coaxial connector of claim 6, wherein:
A second concave-convex structure (23 c) is formed on the outer peripheral surface of the connection end (23) of the outer case (2), and the outer peripheral wall (162) of the end cap (16) is engaged with the second concave-convex structure (23 c) to increase the engagement force between the end cap (16) and the connection end (23).
9. The coaxial connector of claim 5, further comprising:
a crimping ring (15) for crimping a shield layer (141) of the cable (14) onto a rear end (11 b) of the shield shell (11),
The crimp ring (15) is fitted over the rear end (11 b) of the shield case (11), and a portion of the end cap (16) is bonded to the outer peripheral surface of the crimp ring (15).
10. The coaxial connector of claim 1, wherein:
The rear end (12 b) of the center terminal (12) is cylindrical and is crimped onto the conductor core (142) of the cable (14) to be electrically connected to the conductor core (142).
11. The coaxial connector of claim 1, wherein:
The front end (11 a) of the shielding shell (11) is cylindrical and is used for being in butt-fit connection with the butt-fit shielding shell; and
The front end (12 a) of the center terminal (12) is needle-shaped and centrally disposed in the front end (11 a) of the shield shell (11) for mating connection with the mating center terminal.
12. The coaxial connector of claim 11, wherein:
A sealant (17) is poured into an inner cavity of the front end (11 a) of the shielding shell (11), and the sealant (17) is combined between the inner peripheral surface of the shielding shell (11) and the outer peripheral surface of the central terminal (12) so as to realize sealing between the inner peripheral surface and the outer peripheral surface of the central terminal.
13. The coaxial connector of claim 12, wherein:
The sealant (17) is bonded to the front end face of the insulator (13), and the front end face of the insulator (13) is formed in a stepped shape to increase the bonding force between the sealant (17) and the insulator (13).
14. A coaxial connector assembly, comprising:
The coaxial connector of any one of claims 1-13; and
And the mating coaxial connector is mated with the coaxial connector.
15. The coaxial connector assembly of claim 14, wherein:
the mating coaxial connector includes:
a mating outer shell, which is mated with the outer shell (2);
A mating shield shell provided in the mating outer shell for mating connection with a front end (11 a) of the shield shell (11); and
And a mating center terminal provided in the mating shield case for mating connection with a front end (12 a) of the center terminal (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322419840.9U CN220857140U (en) | 2023-09-06 | 2023-09-06 | Coaxial connector and coaxial connector assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322419840.9U CN220857140U (en) | 2023-09-06 | 2023-09-06 | Coaxial connector and coaxial connector assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220857140U true CN220857140U (en) | 2024-04-26 |
Family
ID=90783655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322419840.9U Active CN220857140U (en) | 2023-09-06 | 2023-09-06 | Coaxial connector and coaxial connector assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220857140U (en) |
-
2023
- 2023-09-06 CN CN202322419840.9U patent/CN220857140U/en active Active
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| GR01 | Patent grant |