CN212304074U

CN212304074U - Four-channel coaxial rotary joint docking mechanism

Info

Publication number: CN212304074U
Application number: CN202021562773.6U
Authority: CN
Inventors: 吴东梅
Original assignee: Chengdu Hezhong Youchuang Microwave Technology Co ltd
Current assignee: Chengdu Hezhong Youchuang Microwave Technology Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-01-05
Anticipated expiration: 2030-07-31

Abstract

The utility model discloses a four-channel coaxial rotary joint docking mechanism, which comprises a fixed joint and a docking joint, wherein the fixed joint is arranged on a rotary joint, the center of the fixed joint is provided with a conductive connecting pipe, the fixed joint is also provided with a docking cavity corresponding to the front of the connecting pipe, the inner wall of the docking cavity is provided with a guide groove extending inwards from an opening, and the tail end of the guide groove is provided with a fixed groove; the butt joint is arranged on the signal line, the center of the butt joint is provided with a connecting contact pin matched with the connecting pipe, and the outer side of the butt joint is provided with a fixed salient point matched with the guide groove; spring pieces are further arranged in the butt joint cavities of the fixed joints. The beneficial effects of the above technical scheme are: when in connection, the butt joint can be fixed only by inserting the butt joint into the fixed joint and loosening the butt joint after rotating by a small degree, and the connecting part is positioned in the fixed joint and is not easy to block.

Description

Four-channel coaxial rotary joint docking mechanism

Technical Field

The utility model relates to a rotary joint technical field, concretely relates to coaxial rotary joint docking mechanism of four-channel.

Background

The four-channel coaxial rotary joint can complete the butt joint of four signal lines at one time, eight connecting points are arranged on the four-channel coaxial rotary joint, the connecting points are arranged relatively closely, the operation space is narrow when the signal lines are connected, the existing signal lines and the rotary joint are in threaded fixation after butt joint, a rotating space is needed when the signal lines are connected, the space between the connecting points is small, the threaded connection is difficult, the threaded connection is exposed outside, and the four-channel coaxial rotary joint is easy to rust or be blocked by sundries.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a coaxial rotary joint docking mechanism of four-channel, the connection process is simple and convenient more, and is difficult to be died by the card.

The utility model provides a technical scheme be: a four-channel coaxial rotary joint docking mechanism, comprising:

the fixed joint is arranged on the rotary joint, the center of the fixed joint is provided with a conductive connecting pipe, the fixed joint is also provided with a butt joint cavity corresponding to the front of the connecting pipe, the inner wall of the butt joint cavity is provided with a guide groove extending inwards from an opening, the guide groove is arranged along the length direction of the fixed joint, the tail end of the guide groove is provided with a fixed groove, and the fixed groove extends along the circumferential direction of the butt joint cavity;

the butt joint is arranged on the signal line, a connecting contact pin matched with the connecting pipe is arranged in the center of the butt joint, and a fixed convex point matched with the guide groove is arranged on the outer side of the butt joint;

spring pieces are further arranged in the butt joint cavities of the fixed joints.

The beneficial effects of the above technical scheme are: when in connection, the butt joint can be fixed only by inserting the butt joint into the fixed joint and loosening the butt joint after rotating by a small degree, the installation is simple and convenient, and the connection part is positioned inside the fixed joint and is not easy to block.

Further, the spring part comprises a ring, a hole of the ring is opposite to the connecting pin, and a spring is arranged between the inner side of the ring and the innermost end of the butt joint cavity. The spring and the circular ring can enable the butt joint to be tightly abutted in the fixed joint after the butt joint enters the fixed joint, so that the connection is more reliable.

Furthermore, the outer side of the butt joint rotates and is not separated from the butt joint, a compensation ring is arranged on the outer side of the butt joint, the fixed salient points are arranged on the compensation ring, and the outer diameter of the compensation ring is matched with the inner diameter of the butt joint cavity. The compensating ring rotates when being connected, and the signal wire can be prevented from rotating.

Further, the outer end of the compensation ring is also provided with an annular boss, and the outer diameter of the annular boss is consistent with that of the fixed joint. The annular boss enables the butt joint and the fixed joint after connection to be more integrated and more attractive.

Further, a magnetic absorption layer is arranged at the step of the annular boss. The magnetic attraction layer can be attracted on the fixed joint.

Furthermore, the end face of the fixed joint is provided with a fluorescent ring. Under the condition that light is not good, the fluorescent ring can play an indicating role, so that connection is smoother.

Further, the tail end of the fixing groove extends towards the opening of the fixing joint to form an inflection point. The inflection point enables the butt joint not to be separated from the fixed joint due to reverse rotation, so that the connection is more reliable.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a cross-sectional view of a fixed joint in an embodiment of the present invention;

fig. 3 is a schematic structural view of a butt joint according to an embodiment of the present invention;

fig. 4 is a cross-sectional view of a butt joint in an embodiment of the present invention;

fig. 5 is a schematic view of the mating of the butt joint and the fixed joint according to the embodiment of the present invention.

Reference numerals: the rotary joint 100, the fixed joint 200, the connection tube 210, the guide slot 220, the fixing slot 221, the inflection point 222, the ring 230, the spring 231, the butt joint 300, the connection pin 310, the compensation ring 320, the fixing bump 321, and the annular boss 330.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

As shown in fig. 1 to 5, this embodiment provides a four-channel coaxial rotary joint docking mechanism, which includes a fixed joint 200 and a docking joint 300, where the fixed joint 200 is disposed on a rotary joint 100, a conductive connecting pipe 210 is disposed in the center of the fixed joint 200, a docking cavity is further disposed in front of the fixed joint 200 corresponding to the connecting pipe 210, a guiding groove 220 is disposed on an inner wall of the docking cavity and extends inward from an opening, the guiding groove 220 is disposed along a length direction of the fixed joint 200, a fixing groove 221 is disposed at an end of the guiding groove 220, and the fixing groove 221 extends along a circumferential direction of the docking cavity;

the butt joint connector 300 is arranged on a signal line, the center of the butt joint connector 300 is provided with a connecting pin 310 matched with the connecting pipe 210, the connecting pin 310 is in contact with the connecting pipe 210 to conduct a signal, and the outer side of the butt joint connector 300 is provided with a fixed bump 321 matched with the guide groove 220; a spring 231 is also arranged in the butt-joint cavity of the fixed joint 200. Two guide grooves 220 are formed in the fixed joint 200, two corresponding fixed salient points 321 are formed in the butt joint 300, and the connection stability and firmness of the butt joint 300 and the fixed joint 200 can be improved due to the increase of the number of the fixed salient points.

When in connection, the butt joint 300 can be fixed only by inserting the butt joint 300 into the fixed joint 200 and loosening the butt joint after rotating by a small degree, the installation is simple and convenient, and the connection part is positioned inside the fixed joint 200 and is not easy to block.

As another preferred embodiment, the spring 231 includes a ring 230, the hole of the ring 230 is opposite to the connecting pin 310, and the spring 231 is disposed between the inner side of the ring 230 and the innermost end of the mating cavity. The spring 231 and the ring 230 can press the docking head 300 against the fixed joint 200 after the docking head 300 enters the fixed joint 200, so that the connection is more reliable.

As another preferred embodiment, a compensation ring 320 is rotatably and non-detachably disposed on the outer side of the docking head 300, the fixing protrusions 321 are disposed on the compensation ring 320, and the outer diameter of the compensation ring 320 matches the inner diameter of the docking cavity. The compensation ring 320 rotates when connected, so that the signal line can be prevented from rotating.

As another preferred embodiment, the outer end of the compensation ring 320 is further provided with an annular boss 330, and the outer diameter of the annular boss 330 is consistent with the outer diameter of the fixed joint 200. The annular boss 330 makes the butt joint 300 and the fixed joint 200 more integrated and more beautiful after being connected.

As another preferred embodiment, the annular boss 330 is provided with a magnetic absorption layer at the step. The magnetic attraction layer can be attracted to the fixed joint 200.

As another preferred embodiment, the end face of the fixed joint 200 is provided with a fluorescent ring. Under the condition that light is not good, the fluorescent ring can play an indicating role, so that connection is smoother.

As another preferred embodiment, the end of the fixing groove 221 extends toward the opening of the fixing joint 200 to form an inflection point 222. The inflection point 222 prevents the docking connector 300 from being separated from the fixed connector 200 by the reverse rotation, so that the connection is more reliable.

In the description of the present application, it is to be understood that the terminology used herein is for the purpose of description only and is not intended to be interpreted as indicating or implying any relative importance or implicit indication of the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral combinations thereof; may be an electrical connection; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, systems, and techniques have not been shown in detail in order not to obscure an understanding of this description.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. A four-channel coaxial rotary joint docking mechanism, comprising:

the fixing joint (200) is arranged on the rotary joint (100), the center of the fixing joint (200) is provided with a conductive connecting pipe (210), the fixing joint (200) is further provided with a butt joint cavity corresponding to the front of the connecting pipe (210), the inner wall of the butt joint cavity is provided with a guide groove (220) extending inwards from an opening, the guide groove (220) is arranged along the length direction of the fixing joint (200), the tail end of the guide groove (220) is provided with a fixing groove (221), and the fixing groove (221) extends along the circumferential direction of the butt joint cavity;

the butt joint connector (300), the butt joint connector (300) is arranged on the signal line, the center of the butt joint connector (300) is provided with a connecting pin (310) matched with the connecting pipe (210), and the outer side of the butt joint connector (300) is provided with a fixed salient point (321) matched with the guide groove (220);

and a spring (231) piece is also arranged in the butt joint cavity of the fixed joint (200).

2. A four-channel coaxial rotary joint docking mechanism according to claim 1, wherein the spring (231) member comprises a ring (230), the hole of the ring (230) is opposite to the connecting pin (310), and a spring (231) is arranged between the inner side of the ring (230) and the innermost end of the docking cavity.

3. The four-channel coaxial rotary joint docking mechanism according to claim 1, wherein a compensation ring (320) is rotatably arranged on the outer side of the docking head (300) without separation, the fixed salient point (321) is arranged on the compensation ring (320), and the outer diameter of the compensation ring (320) is matched with the inner diameter of the docking cavity.

4. The four-channel coaxial rotary joint docking mechanism according to claim 3, wherein the outer end of the compensation ring (320) is further provided with an annular boss (330), and the outer diameter of the annular boss (330) is consistent with the outer diameter of the fixed joint (200).

5. The four-channel coaxial rotary joint docking mechanism according to claim 4, wherein a magnetic absorption layer is arranged at the step of the annular boss (330).

6. The four-channel coaxial rotary joint docking mechanism according to any one of claims 1 to 5, wherein the end face of the fixed joint (200) is provided with a fluorescent ring.

7. The four-channel coaxial rotary joint docking mechanism according to claim 1, wherein the end of the fixing groove (221) extends to the opening of the fixing joint (200) to form an inflection point (222).