CN220963910U - Coaxial connector with torsion - Google Patents
Coaxial connector with torsion Download PDFInfo
- Publication number
- CN220963910U CN220963910U CN202322676597.9U CN202322676597U CN220963910U CN 220963910 U CN220963910 U CN 220963910U CN 202322676597 U CN202322676597 U CN 202322676597U CN 220963910 U CN220963910 U CN 220963910U
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- sleeve
- teeth
- check ring
- coaxial connector
- outer sleeve
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- 239000004020 conductor Substances 0.000 claims abstract description 36
- 239000012212 insulator Substances 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The utility model relates to a from coaxial connector of taking torsion, including the outer conductor that has axial through-hole and through the coaxial inner conductor that sets up in the axial through-hole of this outer conductor of insulator, the cover is equipped with the swivel nut of only linking each other in the axial on the outer conductor, its characterized in that: the screw sleeve comprises an inner sleeve and an outer sleeve, a first check ring fixed with the inner sleeve and a second check ring fixed with the outer sleeve are arranged between the inner sleeve and the outer sleeve, the first check ring and the second check ring are sequentially distributed along the axial direction, first teeth and second teeth which are meshed with each other are designed on opposite end surfaces of the first check ring and the second check ring, and meanwhile, an elastic piece which enables the first teeth and the second teeth to always have a mutual meshing trend is arranged between the inner sleeve and the outer sleeve. The utility model skillfully splits the existing swivel nut into the inner sleeve and the outer sleeve, and the first check ring, the second check ring and the elastic piece which can be meshed with each other are additionally arranged between the inner sleeve and the outer sleeve, thereby effectively preventing the phenomenon of damaging the coaxial connector when the swivel nut excessively rotates.
Description
Technical Field
The utility model relates to the technical field of coaxial connectors, in particular to a coaxial connector with torsion.
Background
The coaxial connector is an important component for connecting cables and equipment, can transmit radio frequency signals, and is widely applied to the fields of wireless communication, television broadcasting, radar and the like at present. As a key transmission medium, the connection quality and stability of the coaxial connector are critical to the stable operation of the entire communication system. Currently, coaxial connectors are manufactured more precisely due to frequency elevation, meanwhile, torque force is different from conventional screw torque force, a wrench with proper torque force is difficult to buy under the condition of non-customization, and if the wrench without torque force is used, workers can screw in under the condition of uncertain torque force, and the coaxial connectors are easy to damage.
Therefore, a coaxial connector with adjustable torsion is designed, such as the structure disclosed in the document of Chinese patent publication No. CN201061038Y, which utilizes the cooperation of an additionally arranged compression ring and a rubber gasket to deform the rubber gasket, and increases the contact area between the rubber gasket and the annular side surface of the outer shell, thereby increasing the damping effect of the rotation of the outer shell. But the torque force is only adjustable, and when the screw sleeve continues to rotate, the screw sleeve still can drive the outer shell to move. Therefore, how to provide a coaxial connector with torsion force applied to the screwing process of the screw sleeve, the connector is not easy to be damaged, and the problem to be solved by the person skilled in the art is needed.
Disclosure of utility model
The utility model aims to solve the technical problem of providing a coaxial connector with torsion, which is not easy to damage during screwing.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a from coaxial connector of taking torsion, includes the outer conductor that has axial through-hole and sets up in the inner conductor in the axial through-hole of this outer conductor through the insulator is coaxial, the cover is equipped with the swivel nut of only in axial mutual linkage on the outer conductor, its characterized in that: the screw sleeve comprises an inner sleeve with internal threads and an outer sleeve sleeved outside the inner sleeve, a first check ring fixed with the inner sleeve and a second check ring fixed with the outer sleeve are sequentially arranged between the inner sleeve and the outer sleeve along the axial direction, first teeth and second teeth which are meshed with each other are designed on opposite end surfaces of the first check ring and the second check ring, an elastic piece which enables the first teeth and the second teeth to always have a mutual meshing trend is also arranged between the inner sleeve and the outer sleeve, and the second teeth can overcome the action of the elastic piece and rotate unidirectionally relative to the first check ring in the screwing process of the outer sleeve.
In order to make the second tooth overcome the action of the elastic element in the screwing process of the outer sleeve, the second tooth moves unidirectionally relative to the first check ring, preferably, the first tooth and the second tooth are right-angle teeth, and the inclined direction of the inclined edge of the right-angle tooth faces to the screwing direction of the outer sleeve. Of course, helical teeth may be used, and the oblique directions of the two oblique sides of the helical teeth face the screwing direction of the outer sleeve.
In order to keep the first tooth and the second tooth in the mutually meshed state all the time, the elastic piece is preferably a spring, one end of the spring is abutted against the second baffle ring, and the other end of the spring is abutted against the protrusion on the outer surface of the inner sleeve.
In order to block the spring and retain it in telescopic movement on the inner sleeve, it is preferable that the projection is a first bead provided on the outer surface of the inner sleeve.
In order to improve the friction force of the hand, the first check ring and the inner sleeve are linked in the circumferential direction at the same time, preferably, the inner surface of the first check ring is provided with a first axially extending stripe, and the outer surface of the inner sleeve is provided with a second axially extending stripe matched with the first stripe.
In order to improve the friction force of the hand, and realize the linkage of the second check ring and the outer sleeve in the circumferential direction, preferably, the outer surface of the second check ring is provided with a third stripe which is in close fit with the inner surface of the outer sleeve and extends in the axial direction.
In order to realize the axial linkage of the screw sleeve and the outer conductor, preferably, a first limit groove is arranged on the inner surface of the outer sleeve, a second limit groove opposite to the first limit groove is arranged on the outer surface of the outer conductor, and a baffle ring for axially linking the outer conductor and the outer sleeve is arranged in a space surrounded by the first limit groove and the second limit groove.
In order to facilitate the screwing of the outer sleeve by the wrench, the outer contour of the cross section of the outer sleeve is preferably polygonal.
Preferably, the polygon of the outer contour of the cross section of the outer sleeve is a hexagon.
Compared with the prior art, the utility model has the advantages that: the existing screw sleeve is skillfully split into an inner sleeve and an outer sleeve, and a first check ring, a second check ring and an elastic piece which can be meshed with each other are additionally arranged between the inner sleeve and the outer sleeve, so that when the outer sleeve is screwed, the inner sleeve is driven to rotate together under the action of the elastic piece through the meshing of the first check ring and the second check ring, and the purposes of torsion screwing and driving the outer conductor to axially move are achieved; and once the outer conductor moves axially in place, even if the outer sleeve is continuously rotated, the second retainer ring at the moment compresses the elastic piece to move away from the first retainer ring, namely, at the moment, the first teeth and the second teeth are easily separated and are not meshed, namely, the rotation of the outer sleeve does not drive the inner sleeve to rotate together, so that the phenomenon of damaging the coaxial connector when the outer sleeve excessively rotates is effectively prevented.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the present utility model;
FIG. 2 is a longitudinal perspective cross-sectional view (with the spring removed) of an embodiment of the utility model;
FIG. 3 is a schematic perspective view of an embodiment of the present utility model with an outer sleeve disassembled
Fig. 4 is an exploded perspective view of an embodiment of the present utility model.
In the figure: 1. an outer conductor; 11. an outer housing; 111. a blocking part; 112. the second limit groove; 12. an inner housing; 2. an inner conductor; 3. an insulator; 4. a screw sleeve; 41. an inner sleeve; 411. a protrusion; 412. a second stripe; 42. an outer sleeve; 421. a first limit groove; 5. a first retainer ring; 51. a first tooth; 52. a first stripe; 6. the second check ring; 61. a second tooth; 62. a third stripe; 7. a baffle ring; 8. a spring; A. and welding holes.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1 to 4, the coaxial connector with torsion comprises an outer conductor 1, an inner conductor 2, an insulator 3 and a threaded sleeve 4, wherein the outer conductor 1 is formed by combining an outer shell 11 and an inner shell 12, an external thread for connection is arranged on the outer surface of one end of the outer shell 11, and the threaded sleeve 4 which is only interlocked with each other in the axial direction is sleeved on the outer surface of the other end of the outer shell 11; the inner shell 12 is inserted into one end of the outer shell 11, the outer surface of the inner shell 12 is tightly matched with the inner wall surface of the outer shell 11, the insertion end of the inner shell 12 is propped against the blocking part 111 on the inner wall of the outer shell 11, a limit groove for placing the insulator 3 is formed between the insertion end of the inner shell 12 and the blocking part 111, namely, the outer conductor 1 is designed into a split structure, and in order to facilitate the installation of the insulator 3, an axial through hole is formed in the assembled inner shell 12 and outer shell 11; the inner conductor 2 is coaxially disposed in the axial through hole of the outer conductor 1 via an insulator 3. Since the inner and outer conductors and the insulator in the present embodiment can be made in the prior art, the structure of the outer conductor 1 is not limited to the above-described structure, and will not be explained here.
In this embodiment, the main improvement is that the threaded sleeve 4 comprises an inner sleeve 41 with internal threads and an outer sleeve 42 sleeved outside the inner sleeve 41, and a first retainer ring 5 and a second retainer ring 6 are sequentially arranged between the inner sleeve and the outer sleeve along the axial direction, wherein the first retainer ring 5 and the second retainer ring 6 are distributed from left to right in the figure, the first retainer ring 5 is fixed with the inner sleeve 41, the second retainer ring 6 is fixed with the outer sleeve 42, the opposite end surfaces of the first retainer ring 5 and the second retainer ring 6 are further provided with a first tooth 51 and a second tooth 61 which are meshed with each other, and an elastic member which enables the first tooth 51 and the second tooth 61 to always have a mutual meshing trend is arranged between the inner sleeve and the outer sleeve. To achieve this, the first tooth 51 and the second tooth 61 are preferably each designed as a right-angled tooth, the oblique edges of which are inclined in the direction of the screwing direction of the outer sleeve 42. The elastic member is preferably a spring 8, one end of the spring 8 abuts against the second retainer ring 6, the other end abuts against the protrusion 411 on the outer surface of the inner sleeve 41, and the protrusion 411 may be small protrusions distributed in a dot shape along the circumferential direction, but in consideration of convenience of processing, the protrusion 411 in the figure is a first protrusion ring provided on the outer surface of the port of the inner sleeve 41.
In order to realize the fixation between the first retainer ring 5 and the inner sleeve 41, the inner surface of the first retainer ring 5 in this embodiment is provided with a first stripe 52 extending axially, the outer surface of the inner sleeve 41 is provided with a second stripe 412 extending axially and matched with the first stripe 52, and the existence of the stripes can improve the friction force when being held by hand, and meanwhile, after assembly, the first stripe 52 and the second stripe 412 can realize the linkage between the two in the circumferential direction by utilizing the resisting force between the first stripe 52 and the second stripe 412. Similarly, on the outer surface of the second retainer ring 6, there is provided an axially extending third stripe 62 closely matching the inner surface of the outer sleeve 42 to realize the linkage of the second retainer ring 6 and the outer sleeve 42 in the circumferential direction.
Further, in order to secure the firm connection between the first retainer ring 5 and the inner sleeve 41 and between the second retainer ring 6 and the outer sleeve 42, welding holes a are formed in the side walls of the first retainer ring 5 and the second retainer ring 6, and spot welding work can be performed at the welding holes a.
In order to realize the axial linkage with the outer conductor 1, the improved screw sleeve 4 is provided with a first limit groove 421 on the inner surface of the outer sleeve 42, a second limit groove 112 opposite to the first limit groove 421 is arranged on the outer surface of the outer shell 11, a baffle ring 7 is placed in a space surrounded by the first limit groove and the second limit groove, the baffle ring 7 can enable the outer shell 11 and the outer sleeve 42 to be linked in the axial direction, and the outer sleeve 42 can still rotate relative to the outer conductor 1 in the circumferential direction as in the prior art.
To facilitate screwing of the outer sleeve 42 by the wrench, in this embodiment, the outer contour of the cross section of the outer sleeve 42 is polygonal, preferably of hexagonal design.
When the electric connector is used, under the natural state, due to the restoring force of the spring 8, the first retainer ring 5 and the second retainer ring 6 are meshed with each other into a whole through the first teeth and the second teeth, so that the outer sleeve 42 is screwed on under the condition of no resistance, the inner sleeve 41 can be driven to rotate together through the meshing of the first retainer ring and the second retainer ring, the purposes of torsion screwing and driving the outer conductor 1 to axially move are achieved, and the inner conductor 2 and the corresponding conductor are finally butted along with the axial movement of the outer conductor 1. Once the outer conductor 1 moves axially in place, after the installation, if the operator continues to rotate the outer sleeve 42, the second retainer ring 6 will slide through the inclined surface of the second tooth 61 relative to the first tooth 51 and move away from the first retainer ring 5 axially to compress the spring 8, i.e. the first tooth 51 and the second tooth 61 are easily separated and no longer engaged, i.e. the rotation of the outer sleeve 42 no longer drives the inner sleeve 41 to rotate together, thereby effectively preventing the coaxial connector from being damaged when rotating excessively.
It should be noted that, in the description of the present embodiment, the directions or positional relationships indicated by the terms "front, rear", "left, right", "inner, outer", "upper, lower", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. The terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Claims (9)
1. The utility model provides a from coaxial connector of taking torsion, includes outer conductor (1) and inner conductor (2) in the axial through-hole of this outer conductor (1) that have axial through-hole through insulator (3) coaxial set up, cover is equipped with swivel nut (4) of only in axial in outer conductor (1) and links, its characterized in that: the screw sleeve (4) comprises an inner sleeve (41) with internal threads and an outer sleeve (42) sleeved outside the inner sleeve (41), a first check ring (5) fixed with the inner sleeve (41) and a second check ring (6) fixed with the outer sleeve (42) are sequentially arranged between the inner sleeve and the outer sleeve along the axial direction, first teeth (51) and second teeth (61) meshed with each other are designed on opposite end surfaces of the first check ring (5) and the second check ring (6), meanwhile, elastic pieces which enable the first teeth (51) and the second teeth (61) to always have a mutual meshing trend are further arranged between the inner sleeve and the outer sleeve, and in the screwing process of the outer sleeve (42), the second teeth (61) can overcome the action of the elastic pieces and can rotate unidirectionally relative to the first check ring (5).
2. The coaxial connector of claim 1, wherein: the first teeth and the second teeth are right-angle teeth, and the inclined direction of the inclined edges of the right-angle teeth faces the screwing direction of the outer sleeve (42).
3. The coaxial connector of claim 1, wherein: the elastic piece is a spring (8), one end of the spring (8) is propped against the second check ring (6), and the other end is propped against a bulge (411) on the outer surface of the inner sleeve (41).
4. A coaxial connector according to claim 3, wherein: the protrusion (411) is a first collar arranged on the outer surface of the inner sleeve (41).
5. The coaxial connector of claim 1, wherein: the inner surface of the first retainer ring (5) is provided with a first stripe (52) extending in the axial direction, and the outer surface of the inner sleeve (41) is provided with a second stripe (412) extending in the axial direction, which is matched with the first stripe (52).
6. The coaxial connector of claim 1, wherein: the outer surface of the second retainer ring (6) is provided with an axially extending third stripe (62) which is in close fit with the inner surface of the outer sleeve (42).
7. The coaxial connector of claim 1, wherein: the outer sleeve (42) is provided with a first limit groove (421) on the inner surface, the outer surface of the outer conductor (1) is provided with a second limit groove (112) opposite to the first limit groove (421), and a baffle ring (7) which enables the outer conductor (1) to be axially linked with the outer sleeve (42) is placed in a space surrounded by the first limit groove and the second limit groove.
8. The coaxial connector of claim 1, wherein: the outer contour of the cross section of the outer sleeve (42) is polygonal.
9. The coaxial connector of claim 8, wherein: the polygon is a hexagon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322676597.9U CN220963910U (en) | 2023-10-07 | 2023-10-07 | Coaxial connector with torsion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322676597.9U CN220963910U (en) | 2023-10-07 | 2023-10-07 | Coaxial connector with torsion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220963910U true CN220963910U (en) | 2024-05-14 |
Family
ID=90980207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322676597.9U Active CN220963910U (en) | 2023-10-07 | 2023-10-07 | Coaxial connector with torsion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220963910U (en) |
-
2023
- 2023-10-07 CN CN202322676597.9U patent/CN220963910U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |