CN220605166U

CN220605166U - Conductive slip ring

Info

Publication number: CN220605166U
Application number: CN202322255902.7U
Authority: CN
Inventors: 庄小强; 朱钢; 吴伟文; 罗妙; 黄炜; 赵强
Original assignee: Innermedical Co ltd
Current assignee: Innermedical Co ltd
Priority date: 2023-08-21
Filing date: 2023-08-21
Publication date: 2024-03-15
Anticipated expiration: 2033-08-21

Abstract

The utility model discloses a conductive slip ring, and relates to the technical field of conductive slip rings. The conductive slip ring comprises a support body, a rotating shaft, a conductive ring assembly and a fixing assembly; the rotating shaft is rotatably arranged in the supporting body; the conductive ring component is sleeved on the rotating shaft and is positioned in the supporting body; the fixing component is arranged on the support body and used for fixing the conductive slip ring on the electronic equipment. The utility model improves the structure of the conductive slip ring, improves the convenience of the conductive slip ring for connecting an electric signal, reduces instability, improves the convenience of fixing the conductive slip ring, and improves the assembly precision.

Description

Conductive slip ring

Technical Field

The utility model relates to the technical field of conductive slip rings, in particular to a conductive slip ring of ultrasonic image diagnostic equipment.

Background

The conductive slip ring is also called a slip ring, bus ring, etc. The device can be applied to any electromechanical system which requires continuous rotation and simultaneously needs power supply and signal transmission from a fixed position to a rotating position. The conductive slip ring can improve system performance, simplify system structure and avoid the wire from being twisted in the rotating process.

The conductive slip ring is an important part for medical diagnosis in the prior society, can continuously conduct a fixed stator and an infinitely rotating rotor in diagnostic equipment, can provide power for the rotating part or can interact with the rotating part by electric signals, and can be divided into single-way conduction and multi-way conduction to realize electric signal connection of the rotating part.

The existing conductive slip ring comprises a shell, a rotating shaft, a conductive ring and other parts, and is generally installed in a shell fixing mode, so that the precision is low.

Disclosure of Invention

The utility model mainly aims to provide a conductive slip ring, which aims to improve the installation accuracy of the conductive slip ring.

To achieve the above object, the present utility model provides an electrically conductive slip ring, comprising:

a support body;

the rotating shaft is rotatably arranged in the supporting body;

the conducting ring assembly is sleeved on the rotating shaft and positioned in the supporting body; and the fixing assembly is arranged on the support body and used for fixing the conductive slip ring on the electronic equipment.

Optionally, the fixing component is two flanges, and the two flanges are respectively arranged at two ends of the supporting body.

Optionally, the conductive slip ring further comprises a housing, wherein the housing surrounds the supporting body, and two ends of the housing are respectively connected with the two flange plates.

Optionally, the rotation shaft is installed in the support body through a bearing assembly, the bearing assembly comprises a first bearing and a second bearing, the first bearing and the second bearing are respectively sleeved on the rotation shaft, and are respectively fixed in two ends of the support body through compression rings.

Optionally, the conductive slip ring further comprises a brush, the support body is provided with a containing hole, and the brush is arranged in the containing hole and is in contact with the conductive ring assembly.

To achieve the above object, the present utility model also proposes an ultrasonic image diagnostic apparatus including the conductive slip ring as described above, the conductive slip ring including:

a support body;

the rotating shaft is rotatably arranged in the supporting body;

the conducting ring assembly is sleeved on the rotating shaft and positioned in the supporting body; and

and the electric connector is arranged at one end of the rotating shaft and is electrically connected with the conducting ring assembly.

Optionally, the conductive slip ring further includes an electrical connector, where the electrical connector is disposed at one end of the rotating shaft and is electrically connected to the conductive ring assembly.

Optionally, one end of the rotation shaft is provided with a connection shaft, the rotation shaft is provided with a wiring channel, the connection shaft is provided with a mounting hole communicated with the wiring channel, the electric connector is mounted in the mounting hole, the conducting ring assembly is connected with the electric connector through a wire, and the wiring channel is used for accommodating the wire.

Optionally, the electric connector is connected with the connecting shaft through threads; and/or

The electric connector is fixedly connected with the connecting shaft through clamping; and/or

The electric connector is fixed with the connecting shaft through bonding.

Optionally, a gland is provided on an end cap of the mounting hole of the connection shaft, the gland being used to press the electrical connector into the mounting hole.

Optionally, the electrical connector is a female connector or a male connector.

In the technical scheme of the utility model, the conductive slip ring comprises a support body, a rotating shaft, a conductive ring component and a fixing component; the rotating shaft is rotatably arranged in the supporting body; the conductive ring component is sleeved on the rotating shaft and is positioned in the supporting body; the fixing component is arranged on the support body and used for fixing the conductive slip ring on the electronic equipment. It can be understood that the fixing assembly is arranged on the support body, and the conductive slip ring is fixed on the external electronic equipment through the fixing assembly, so that the convenience of assembly is effectively improved, and the installation accuracy of the conductive slip ring is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an embodiment of an electrically conductive slip ring of the present utility model;

FIG. 2 is an internal block diagram of one embodiment of the conductive slip ring of the present utility model;

FIG. 3 is a cross-sectional view of one embodiment of the conductive slip ring of the present utility model;

FIG. 4 is a schematic diagram of a rotating and conductive ring assembly according to an embodiment of the conductive slip ring of the present utility model;

fig. 5 is a schematic structural view of a support and a flange in an embodiment of the conductive slip ring according to the present utility model.

Reference numerals illustrate:

10. a support body; 20. a rotating shaft; 30. a conductive ring assembly; 40. an electrical connector; 20a, a wiring channel; 20b, mounting holes; 21. a connecting shaft; 50. a gland; 60. a flange plate; 70. a cover plate; 81. a first bearing; 82. a second bearing; 83. a compression ring; 90. a brush; 10a, accommodating holes.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if the meaning of "and/or" is presented throughout this document, it is intended to include three schemes in parallel, taking "a and/or B" as an example, including a scheme, or B scheme, or a scheme where a and B meet simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The utility model provides a conductive slip ring, which is suitable for electromechanical equipment, in particular ultrasonic image diagnosis equipment, and is not limited herein.

Referring to fig. 1 and 2, in an embodiment of the present utility model, the conductive slip ring includes a support body 10, a rotating shaft 20, a conductive ring assembly 30 and a fixing assembly; the rotating shaft 20 is rotatably provided in the support body 10; the conductive ring assembly 30 is sleeved on the rotating shaft 20 and is positioned in the supporting body 10; the fixing component is disposed on the support body 10 and is used for fixing the conductive slip ring on an electronic device, in this embodiment, the fixing component fixes the conductive slip ring on an electronic device such as an ultrasonic image diagnostic device, and may specifically be a connection seat or a probe seat in the ultrasonic image diagnostic device.

In this embodiment, the fixing component may be a fixing block or plate, a fixing flange, etc., which is not limited herein.

It can be appreciated that the fixing component is arranged on the support body 10, so that the stability of the installation of the conductive slip ring is greatly improved, the installation precision of the conductive slip ring is effectively improved, and the installation is simple and convenient.

In order to facilitate assembly and further improve the installation accuracy of the conductive slip ring, in an embodiment, the fixing component may be two flanges 60, and the two flanges 60 are respectively disposed at two ends of the supporting body 10 and used for fixing the conductive slip ring on the motor base or the probe base.

In this embodiment, the conductive slip ring may further include a housing, which is disposed around the supporting body 10, and two ends of the housing are respectively connected to the two flanges 60. Referring to fig. 1 and 3, for ease of assembly, the housing may be assembled from two semicircular cover plates 70. Of course, the housing may also be an integral cylinder or square cylinder structure, or assembled from multiple parts, which is not limited herein.

Referring to fig. 3 and 4, in one embodiment, the rotation shaft 20 may be mounted in the support body 10 by a bearing assembly to achieve a rotational motion. Further, the bearing assembly may include a first bearing 81 and a second bearing 82, where the first bearing 81 and the second bearing 82 are respectively sleeved on the rotating shaft 20 and are respectively fixed in two ends of the supporting body 10 through a compression ring 83.

Referring to fig. 4 and 5, in the present embodiment, the conductive slip ring further includes a brush 90, the support body 10 is provided with a receiving hole 10a, and the brush 90 is disposed in the receiving hole 10a and contacts the conductive ring assembly 30.

The utility model realizes the rotary motion of the rotating shaft 20 relative to the supporting body 10 by arranging the bearing assembly, thereby realizing the relative rotary motion of the conducting ring assembly 30 and the electric brush 90; and the bearing assembly has the advantages of small friction coefficient, high transmission efficiency, standardization, serialization and generalization, is suitable for mass production, and is very convenient to use and maintain.

In addition, as the electric connector 40 is assembled inside one end of the rotating shaft 20, it is necessary to provide a section of larger diameter, and the other section of the rotating shaft 20 may be constructed in a smaller diameter, so that the overall volume of the conductive slip ring tends to be miniaturized as much as possible, in conjunction with fig. 2 to 4. Based on this, in the present embodiment, the diameter of the first bearing 81 may be larger than the diameter of the second bearing 82, the first bearing 81 can be better adapted to the mounting requirement of the rotating shaft 20 on which one end of the electrical connector 40 is mounted, and the second bearing 82 can be better adapted to the mounting requirement of the other end of the rotating shaft 20.

The existing conductive slip ring is connected with the electric signal in a wiring mode, and on the conduction of the electric signal, a lead led out from the conductive slip ring is connected with an external specific connector, so that the complexity of connecting the electric signal is increased, the wiring operation is inconvenient, and the instability is also increased.

In this regard, the utility model also improves the electrical connection mode of the conductive slip ring:

referring to fig. 1 to 3, in an embodiment of the present utility model, the conductive slip ring may further include an electrical connector 40, and the electrical connector 40 is disposed at one end of the rotating shaft 20 and electrically connected with the conductive ring assembly 30.

In the present embodiment, the support body 10 may be a cylindrical or square bracket structure, so as to be mounted on the rotating shaft 20, the conductive ring assembly 30, and the like, which is not limited herein.

The electrical connector 40 may be a female connector or a male connector, and may preferably be a female connector of a Lei Mo connector, which is not limited herein. The electrical connector 40 may be coaxially disposed within the end of the rotating shaft 20 or mounted on the outside of the end of the rotating shaft 20, the specific mounting structure of the electrical connector 40 is not limited herein.

It can be appreciated that the electrical connector 40 is integrated in the rotating shaft 20 of the conductive slip ring and is electrically connected with the conductive ring assembly 30, so that the situation that the conductive wires are led out from the conductive slip ring and then connected to external specific connectors is avoided, and only the electrical connector 40 is required to be connected with the corresponding male connector or female connector in an inserting manner when the conductive slip ring is installed, thereby reducing the complexity of connecting electrical signals, facilitating wiring operation and improving connection stability.

Referring mainly to fig. 3, in an embodiment, a connecting shaft 21 is disposed at one end of the rotating shaft 20, a routing channel 20a may be disposed on the rotating shaft 20, a mounting hole 20b communicating with the routing channel 20a may be disposed in the connecting shaft 21, an electrical connector 40 is mounted in the mounting hole 20b, the conductive ring assembly 30 is connected with the electrical connector 40 through a wire, and the routing channel 20a is used for accommodating the wire.

In this embodiment, the wires are disposed inside the routing channel 20a of the rotating shaft 20, so that the electrical connection between the electrical connector 40 and the conductive ring assembly 30 is realized, the problem that a plurality of wires are mutually wound when the rotating shaft 20 continuously rotates is avoided, the stability of the conductive slip ring can be improved, the structure of the conductive slip ring is simplified, the wires are prevented from being sprained in the rotating process, and the stability of the electrical performance is ensured.

It should be noted that the diameter of the connecting shaft 21 may be slightly larger than the diameter of the rotating shaft 20 to facilitate the installation of the electrical connector 40. The connecting shaft 21 and the rotating shaft 20 can be of an integrally formed structure, namely, the connecting shaft and the rotating shaft are the same component; of course, the connecting shaft 21 and the rotating shaft 20 may be of a separate structure, and the two components may be assembled together by welding or screwing, which is not limited thereto.

In addition, in the present embodiment, for easy assembly, the pressing ring 83 for fixing the first bearing 81 and the connecting shaft 21 may be of an integral structure; of course, the pressing ring 83 and the connecting shaft 21 may be formed as a separate structure, which is not limited herein.

The conductive slip ring can meet the requirement of mass production by considering the feasibility of processing in design. During assembly, the wires of the conductive ring assembly 30 are led out through the wiring channel 20a, then the wires and the electric connector 40 are welded and fixed, and then the electric connector 40 is installed in the installation hole 20b of the rotating shaft 20.

Specifically, the electrical connector 40 and the connection shaft 21 may be connected by a screw, the electrical connector 40 and the connection shaft 21 may be fixed by a snap-fit connection, and the electrical connector 40 and the connection shaft 21 may be fixed by an adhesive, which is not limited to the connection method.

Further, the end of the mounting hole 20b of the connection shaft 21 may be capped with a pressing cover 50, and the pressing cover 50 is used to press the electrical connector 40 into the mounting hole 20 b. Therefore, the electric connector 40 is prevented from loosening due to the fact that the rotating shaft 20 rotates to drive the electric connector 40 to rotate, the installation stability of the electric connector 40 can be effectively guaranteed, and the stability of electric signal transmission is further improved.

The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. An electrically conductive slip ring, comprising:

a support body;

the rotating shaft is rotatably arranged in the supporting body;

and the fixing assembly is arranged on the support body and used for fixing the conductive slip ring on the electronic equipment.

2. The conductive slip ring as set forth in claim 1, wherein said fixing member is two flanges, and said flanges are respectively disposed at both ends of said support body.

3. The conductive slip ring as set forth in claim 2 further comprising a housing disposed around said support body and having opposite ends connected to said flanges, respectively.

4. The conductive slip ring as set forth in claim 2 wherein said rotating shaft is mounted in said support body by a bearing assembly, said bearing assembly comprising a first bearing and a second bearing, said first bearing and said second bearing being respectively sleeved on said rotating shaft and respectively secured in both ends of said support body by compression rings.

5. The conductive slip ring of claim 2, further comprising a brush, wherein the support body is provided with a receiving hole, and wherein the brush is disposed within the receiving hole and in contact with the conductive ring assembly.

6. The conductive slip ring as claimed in any one of claims 1 to 5, further comprising an electrical connector provided at one end of the rotating shaft and electrically connected to the conductive ring assembly.

7. The conductive slip ring as set forth in claim 6, wherein one end of said rotating shaft is provided with a connecting shaft, said rotating shaft is provided with a wiring passage, said connecting shaft is provided with a mounting hole communicating with said wiring passage, said electrical connector is mounted in said mounting hole, said conductive ring assembly is connected with said electrical connector by a wire, and said wiring passage is for accommodating said wire.

8. The conductive slip ring of claim 7, wherein the electrical connector is threadably connected to the connecting shaft; and/or

The electric connector is fixed with the connecting shaft through bonding.

9. The conductive slip ring as set forth in claim 7 wherein the mounting hole end cap of the connecting shaft is provided with a gland for pressing the electrical connector into the mounting hole.

10. The conductive slip ring of claim 6, wherein the electrical connector is a female connector or a male connector.