Slip ring structure
By setting a convex ring between adjacent rings of the slip ring structure and optimizing the conductor hole design, the problem of insufficient connection space between the guide plate and the guide ring in the traditional slip ring structure is solved, which significantly improves the connection stability and heat dissipation performance, while maintaining the overall structural strength of the shaft ring.
Patent Information
- Application Number
- CN202421977559.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-15
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-08-15
AI Technical Summary
In the design of traditional slip ring structures, there is a problem of close contact between adjacent rings, resulting in insufficient connection space between the guide plate and the guide ring, increasing manufacturing difficulty and destroying the overall structural strength of the ring.
By setting a convex ring between adjacent shaft rings, a gap is formed to provide sufficient space for the connection between the guide plate and the guide ring. At the same time, the size and shape of the conductor holes are optimized, the limit edges and flanges are set, and the heat dissipation performance, welding quality and assembly convenience of the slip ring are improved.
It effectively avoids the connection loosening or disconnection caused by insufficient space, significantly improves the connection stability and heat dissipation performance of the slip ring structure, ensures reliable transmission of electrical signals, and maintains the overall structural strength of the shaft collar.
Smart Images
Figure CN223023801U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of slip rings, and particularly to a slip ring structure with good heat dissipation performance, easy to manufacture and assemble. Background Art
[0002] A slip ring, as an important electrical component, is mainly responsible for connecting and transporting energy and signals for a rotating body. It is widely used in various electromechanical systems that require 360° unrestricted continuous rotation and require transmitting electrical signals and data signals from a fixed position to a rotating position.
[0003] However, there are some defects in the design of traditional slip ring structures. For example, adjacent shaft rings are usually in close contact, without providing sufficient space for the connection between the guide piece and the guide ring. To solve this problem, manufacturers often need to open additional holes or notches on the shaft ring, but this not only increases the manufacturing difficulty but also damages the overall structural strength of the shaft ring. Therefore, how to ensure that there is enough clearance between adjacent shaft rings for the stable connection of the guide piece and the guide ring, while maintaining the overall structural strength of the shaft ring, has become a technical problem to be solved urgently. Summary of the Utility Model
[0004] The utility model patent proposes a new type of slip ring structure, which solves the problems existing in traditional slip rings through a unique design. This structure forms a gap by setting convex rings between adjacent shaft rings, providing sufficient space for the connection between the guide piece and the guide ring, and ensuring the stability of the connection. At the same time, this structure also improves the heat dissipation performance, welding quality and assembly convenience of the slip ring by optimizing the size and shape of the conductor holes, setting limiting edges and flanges and other structures. These improvements and innovations have significantly improved the performance and application range of the new type of slip ring structure.
[0005] The above technical purpose of the utility model is achieved through the following technical solutions: A slip ring structure includes a plurality of shaft rings concentrically stacked into a multi-layer structure. Each shaft ring is provided with a plurality of conductor holes penetrating therethrough and arranged in a circumferential array. The number of the conductor holes is not less than the total number of the shaft rings, and the conductor holes on each shaft ring are aligned in pairs;
[0006] One side of the shaft ring is provided with a convex ring protruding axially along its inner circle. When a plurality of shaft rings are stacked together, the convex ring will be clamped between two adjacent shaft rings, so that there is a gap between adjacent shaft rings and they do not contact each other;
[0007] Each layer of the shaft ring is provided with a guide piece, and the guide piece penetrates through the conductor hole and extends into the gap between adjacent shaft rings;
[0008] A guide ring is sleeved outside each layer of the shaft ring, and the guide ring is welded to the guide piece in the gap between adjacent shaft rings;
[0009] Each of the shaft collars of the layers is fixed together by fixing members;
[0010] The lengths of the guide pieces welded on each layer of guide rings are different. The lower the layer, the more shaft collars the guide pieces need to penetrate across, and the longer the required length, so as to ensure that each guide piece can extend out of the shaft collar in the same direction for external connection.
[0011] In some embodiments, the internal space size of the conductor hole is larger than the corresponding size of the guide piece.
[0012] In some embodiments, a number of limiting edges are provided on one side of the shaft collar close to the convex ring, and these limiting edges are respectively arranged between adjacent conductor holes.
[0013] In some embodiments, a flange is integrally provided on the outer side wall of the shaft collar.
[0014] In some embodiments, a plurality of annular grooves are formed in the outer side wall of the guide ring.
[0015] In some embodiments, a plurality of mounting holes are formed through the shaft collars in an annular array, and the mounting holes on each shaft collar are aligned in pairs;
[0016] The fixing member is a bolt-nut assembly, which is used in cooperation with the mounting holes.
[0017] In summary, the utility model has the following beneficial effects:
[0018] 1. By providing a convex ring between adjacent shaft collars, the utility model forms a certain gap space, which provides an ample environment for the connection between the guide piece and the guide ring. This design effectively avoids problems such as connection looseness or disconnection caused by insufficient space, thereby significantly improving the connection stability of the slip ring structure and ensuring the reliable transmission of electrical signals. Although the utility model provides a gap between the shaft collars for connection and heat dissipation, through reasonable structural design and manufacturing process control, it is ensured that the overall structural strength of the shaft collar is not affected. On the contrary, due to avoiding the structural weakening problem caused by additional openings or notches in the traditional design, the slip ring structure of the utility model may have an advantage in overall strength.
[0019] 2. The design of the internal space size of the conductor hole in the utility model is larger than the corresponding size of the guide piece, forming a heat dissipation gap. This innovative design enables the heat generated when current passes through the guide piece to be dissipated in time, avoiding the influence of local overheating on the performance of the slip ring. The optimized heat dissipation performance not only extends the service life of the slip ring but also improves its stability in high-power and high-speed application scenarios.
[0020] 3. The limiting edges provided on the shaft collar of the present utility model standardize the welding points between the guide piece and the guide ring, making the welding process more standardized and controllable. This not only improves the convenience of the welding operation, but also significantly enhances the welding quality and reduces the risk of insecure welding or broken welding points. High-quality welding ensures the electrical performance and overall reliability of the slip ring structure.
[0021] 4. The flange structure integrally provided on the outer side wall of the shaft collar of the present utility model facilitates grasping and positioning during the assembly process. This innovative design makes the assembly process of the slip ring simpler and faster, reduces the requirements for the skills and experience of the operator. At the same time, the simplified assembly process also improves production efficiency and reduces manufacturing costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 is a schematic diagram of the multi-layer assembly structure of the present utility model;
[0023] Figure 2 is a schematic diagram of the single-layer sectional structure of the present utility model;
[0024] Figure 3 is a schematic diagram of the top structure of the shaft collar of the present utility model;
[0025] Figure 4 is a schematic diagram of the bottom structure of the shaft collar of the present utility model;
[0026] Figure 5 is a schematic diagram of the assembly structure of the guide piece and the guide ring of the present utility model.
[0027] In the figure: 1. Shaft collar; 101. Conductor hole; 102. Mounting hole; 103. Limiting edge; 104. Convex ring; 2. Flange; 3. Guide piece; 4. Guide ring; 401. Annular groove; 5. Bolt and nut assembly. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0028] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present utility model, and should not be construed as limiting the present utility model.
[0029] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the present utility model.
[0030] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, the meaning of "a plurality" is two or more unless otherwise specifically defined.
[0031] In the present utility model, unless otherwise clearly specified and defined, the terms "installed", "connected", "connected", "fixed", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0032] As Figures 1-5 shown, this embodiment discloses a slip ring structure, which includes a plurality of shaft rings 1 concentrically stacked into a multi-layer structure. Each shaft ring 1 is provided with a plurality of conductor holes 101 arranged in a circular array through it. The number of the conductor holes 101 is not less than the total number of the shaft rings 1, and the conductor holes 101 on each shaft ring 1 are aligned in pairs;
[0033] On one side of the shaft ring 1, a convex ring 104 protruding axially outward is provided around its inner circle. When a plurality of shaft rings 1 are stacked together, the convex ring 104 will be clamped between two adjacent shaft rings 1, so that there is a gap between adjacent shaft rings 1 and they do not contact each other;
[0034] On each layer of the shaft ring 1, a conductive sheet 3 is provided. The conductive sheet 3 passes through the conductor hole 101 and extends into the gap between adjacent shaft rings 1;
[0035] Outside each layer of the shaft ring 1, a conductive ring 4 is sleeved. The conductive ring 4 is welded to the conductive sheet 3 in the gap between adjacent shaft rings 1;
[0036] Each of the shaft collars 1 of each layer is fixed together by a fixing member;
[0037] To ensure that each guide piece 3 can extend out of the shaft collar 1 in the same direction for external connection, the lengths of the guide pieces 3 welded on each layer of the guide ring 4 are different. The lower the layer, the more shaft collars 1 the guide piece 3 needs to penetrate across, and the longer its required length. Specifically, since the slip ring is formed by stacking multiple shaft collars 1, each shaft collar 1 has a conductor hole 101, and the guide piece 3 needs to pass through these conductor holes 101. Therefore, for different layers of the guide ring 4, the number of shaft collars 1 that the guide piece 3 on it needs to pass through is different. For the guide ring 4 located at a lower layer, the guide piece 3 on it needs to pass through more upper shaft collars 1 to extend to the outside. Therefore, the lengths of these guide pieces 3 need to be designed longer. On the contrary, for the guide ring 4 located at a higher layer, the number of shaft collars 1 that the guide piece 3 on it needs to pass through is less. Therefore, the lengths of these guide pieces 3 can be relatively shorter. Through such a design, it can be ensured that all the guide pieces 3 can maintain the same direction when extending out of the shaft collar 1, and the lengths are appropriate, neither too long to cause waste or interference, nor too short to fail to achieve the expected connection effect.
[0038] When assembling this kind of slip ring, the method of assembling layer by layer from bottom to top can be adopted, specifically as follows: First, start from the bottommost shaft collar 1. Instead of directly assembling the guide piece 3 with the shaft collar 1, first weld the guide piece 3 with the corresponding layer of the guide ring 4. Then, sleuth the guide ring 4 welded with the guide piece 3 on the bottommost shaft collar 1, and ensure that the guide piece 3 correctly passes through the conductor hole 101 on the shaft collar 1. Then, take the second-layer shaft collar 1. Similarly, first weld the guide piece 3 of this layer with the guide ring 4, and then combine the shaft collar 1, the guide piece 3 and the guide ring 4 of this layer together, and so on, to obtain a combined structure of multiple shaft collars 1, guide pieces 3 and guide rings 4. Finally, stack the individual combined structures layer by layer and fix them with fixing members to obtain the finished product of the slip ring structure.
[0039] In this kind of slip ring structure, due to the existence of the convex ring 104, there is still a gap between adjacent layers of the shaft collars 1 after combination. This gap provides sufficient space for the connection between the guide piece 3 and the guide ring 4, and can ensure the stable connection between the guide piece 3 and the guide ring 4, without the need to open or drill holes on the shaft collar 1 for the connection between the guide piece 3 and the guide ring 4, thus making the overall structure simpler and easier to manufacture.
[0040] In some embodiments, as Figure 2 shown, the internal space size of the conductor hole 101 is larger than the corresponding size of the guide piece 3, forming a heat dissipation gap to ensure that there is space for heat dissipation while the guide piece 3 passes through the conductor hole 101.
[0041] In some embodiments, as Figure 4As shown, on one side of the collar 1 close to the convex ring 104, a number of limiting edges 103 are provided, and these limiting edges 103 are respectively arranged between adjacent conductor holes 101. The design of the limiting edges 103 is used to standardize the welding solder joints between the guide piece 3 and the guide ring 4, ensuring that the shape and distribution of the solder joints are more regular, thereby facilitating the improvement of the welding quality between the guide piece 3 and the guide ring 4.
[0042] In some embodiments, as Figures 1-2 shown, an integral flange 2 is provided on the outer side wall of the collar 1. The design of this flange 2 facilitates grasping the collar 1 during the assembly process, thereby facilitating the assembly operation of the collar 1.
[0043] In some embodiments, as Figure 5 shown, a plurality of annular grooves 401 are formed on the outer side wall of the guide ring 4, and these annular grooves 401 can be machined by turning process for heat dissipation and sewage discharge.
[0044] In some embodiments, as Figures 1-4 shown, a plurality of mounting holes 102 are formed through each collar 1 in a circumferential array, and the mounting holes 102 on each collar 1 are aligned in pairs;
[0045] The fixing member is a bolt - nut assembly 5, which is used in cooperation with the mounting holes 102 to fix each layer of the collar 1.
[0046] This specific embodiment is only an interpretation of the present invention, and it is not a limitation of the present invention. After reading this specification, those skilled in the art can make modifications without creative contributions to this embodiment as needed, but as long as it is within the scope of the claims of the present invention, it is protected by the patent law.
Claims
1. A slip ring structure, characterized in that: It comprises a plurality of shaft rings (1) stacked concentrically to form a multi-layer structure, each shaft ring (1) is provided with a plurality of conductor holes (101) arranged in a circular array and extending therethrough, the number of the conductor holes (101) is not less than the total number of the shaft rings (1), and the conductor holes (101) on each shaft ring (1) are aligned one by one; One side of the shaft ring (1) is provided with a convex ring (104) convex outwardly along the axial direction around its inner ring. When a plurality of shaft rings (1) are stacked together, the convex ring (104) will be clamped between two adjacent shaft rings (1), so that there is a gap between the adjacent shaft rings (1) and they do not contact each other. A guide piece (3) is provided on each layer of the shaft ring (1), and the guide piece (3) passes through the conductor hole (101) and extends into the gap between adjacent shaft rings (1); Each layer of the shaft ring (1) is sleeved with a guide ring (4), and the guide ring (4) and the guide plate (3) are welded together in the gap between adjacent shaft rings (1); The collars (1) of each layer are fixed together by fixing members; The guide pieces (3) welded on each layer of guide rings (4) have different lengths. The lower the number of layers, the more shaft rings (1) the guide piece (3) needs to penetrate and cross, and the longer the required length is, so as to ensure that each guide piece (3) can extend out of the shaft ring (1) in the same direction for external connection.
2. A slip ring structure according to claim 1, characterized in that: The internal space size of the conductor hole (101) is larger than the corresponding size of the guide piece (3).
3. A slip ring structure according to claim 1, characterized in that: A plurality of limiting edges (103) are provided on one side of the shaft ring (1) close to the convex ring (104), and the limiting edges (103) are respectively arranged between adjacent conductor holes (101).
4. A slip ring structure according to claim 1, characterized in that: A flange (2) is integrally provided on the outer side wall of the shaft ring (1).
5. A slip ring structure according to claim 1, characterized in that: A plurality of annular grooves (401) are provided on the outer side wall of the guide ring (4).
6. A slip ring structure according to claim 1, characterized in that: Each of the shaft rings (1) is provided with a plurality of mounting holes (102) arranged in a circular array and extending therethrough, and the mounting holes (102) on the shaft rings (1) are aligned one by one; The fixing member is a bolt and nut assembly (5) which is used in conjunction with the mounting hole (102).