Bearing ring with inner chamfer of through hole
By setting inner chamfers at the inner edges and connecting fixed components on the inner ring, the problem of deformation after burrs and heat treatment during the ferrule processing is solved, the stability and service life of the bearing are improved, and the use process is simplified.
Patent Information
- Application Number
- CN202421547743.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-02
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-07-02
AI Technical Summary
Existing bearing rings may cause burrs during processing, deformation and cracks may occur after heat treatment, and additional fixation equipment is required during use, adding steps and costs.
A bearing ring with an inner chamfered through hole is designed, and the rotating rod is fixed by setting an inner chamfer at the inner edges and corners of the bearing outer ring and fixed connection and fixing components on the inner ring of the bearing, including fixing screws, clamping members and tightening rod screws.
Inner chamfers reduce the generation of burrs, help stress release and tissue structure redistribution, reduce the risk of deformation and cracks, improve the performance stability and service life of the bearing, while simplifying the use process and reducing the need for fixing equipment.
Smart Images
Figure CN222633666U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bearing processing, in particular to a bearing ring with chamfered inner corners of a through hole. Background Art
[0002] With the continuous development of industrialization, the demand for mechanical equipment is increasing. With the deepening of industrialization and the development of downstream industries, bearings, as important components in mechanical equipment, have a very broad market demand prospect and the market demand is also increasing year by year. Especially in the fields of automobiles, aerospace, ships, etc., the demand for bearings cannot be ignored.
[0003] But what comes with it is the increasing competition in the bearing industry. If enterprises want to be invincible in the fierce market competition, they must continuously improve product quality, reduce costs, improve service levels, and strengthen competitiveness in research and development and innovation. The development trend of bearings is towards high performance, high precision and high reliability. In order to adapt to large-scale industrialization, the existing bearing design has bearing rings plus product quality and service life. The existing bearing rings have many advantages, such as increasing the service life of bearings: bearing rings support and protect bearings, reduce wear between bearings and shafts, and thus significantly extend the service life of bearings. This can not only reduce the failure rate of equipment, but also reduce the cost of frequent bearing replacement; improve the safety performance of mechanical equipment: bearing rings can fill the gap between bearings and shafts, increase the tightness and stability of the connection, and thus improve the safety performance of the entire mechanical equipment. This enhanced stability helps prevent unnecessary vibration or failure of equipment during operation.
[0004] However, with the widespread popularity of bearing rings, some defects have also come along. For example, burrs may be generated on the edges of parts during the processing of the rings, which will cause resistance during the assembly process and interfere with the assembly process. Bearings are usually heat treated before use, which may cause deformation and cracks. At the same time, existing rings require additional fixing equipment to fix the shaft and force rod when used, which increases steps and costs and is inconvenient to use the bearings. Utility Model Content
[0005] In view of the deficiencies in the prior art, the utility model provides a bearing ring with a chamfered through hole, which solves the problem that burrs may be generated on the edge of the part during the processing of the ring, and that bearings are usually heat treated before use to produce deformation and cracks. The existing ring requires additional fixing equipment to fix the shaft and force rod when in use.
[0006] To achieve the above purpose, the utility model is implemented through the following technical solutions: a bearing ring with an inner chamfered through hole, comprising a bearing outer ring and a bearing inner ring arranged inside the bearing outer ring, the outer surface of the bearing outer ring is provided with an inner chamfered through hole, the inner corners of the bearing outer ring and the bearing inner ring are both provided with inner chamfers, the bearing inner ring is fixedly connected with a fixing component, the fixing component comprises a fixing screw, a clamping member and a tightening rod screw, the fixing screw is arranged on one side of the bearing inner ring, the clamping member is arranged on the other side of the bearing inner ring, the clamping member comprises a contact plate and a lower pressure block, the front end of the contact plate is abutted against the top of the lower pressure block, and the bottom of the tightening rod screw is abutted against the contact plate.
[0007] Preferably, the fixing assembly also includes a fixing ring, a threaded hole column, a fixing ring and an anti-slip coating, the fixing ring is fixedly connected to one side of the inner ring of the bearing, the fixing ring is fixedly connected to the other side of the inner ring of the bearing, the threaded hole column is fixedly connected in the fixing ring, the fixing screw is threadedly connected to the inside of the threaded hole column and the fixing ring, and the anti-slip coating is coated on the inner surfaces of the fixing ring and the fixing ring.
[0008] Preferably, the clamping member also includes a clamping box, a sword-shaped long rod, a limiting hole and an intermediate baffle, the clamping box is fixedly connected to the outer end of the fixing ring, the limiting hole is opened at the front of the clamping box, the sword-shaped long rod is slidably connected inside the limiting hole, and the intermediate baffle is fixedly connected to the end of the sword-shaped long rod away from the limiting hole.
[0009] Preferably, the clamping member also includes a spring and a vertical baffle, and the spring is provided in two groups, one end of the spring of one group is fixedly connected to the inner wall of the front end of the clamping box, and the other end is against the middle baffle, and one end of the spring of the other group is fixedly connected to the inner wall of the upper end of the clamping box, and the other end is fixedly connected to the upper surface of the lower pressure block, and the vertical baffle is fixedly connected to the inner wall of the upper end of the clamping box.
[0010] Preferably, the abutment plate is fixedly connected to one end of the middle baffle away from the limiting hole, the lower pressure block is slidably connected to the inside of the fixing ring, the tightening rod screw is threadedly connected to the inside of the clamping box, and the lower end of the tightening rod screw abuts against the sword-shaped long rod.
[0011] Preferably, an inner ring ceramic layer is fixedly connected to the outer slideway of the inner ring of the bearing.
[0012] Preferably, an outer ring ceramic layer is fixedly connected to the inner slideway of the bearing outer ring.
[0013] Preferably, a reinforcing rib is fixedly connected to the outer surface of the bearing outer ring.
[0014] The utility model discloses a bearing ring with an inner chamfer of a through hole, which has the following beneficial effects: by setting up the inner chamfer, it helps to reduce burrs, and at the same time, it helps to release stress and redistribute the internal organizational structure during the rough processing process before heat treatment. The inner chamfer can also reduce the pressure concentration between the bearing and the mating parts, thereby reducing the occurrence of deformation and cracks. These reasons jointly guarantee the performance stability and service life of the bearing. By setting up a through hole on the outer ring of the bearing and a fixing component on the inner ring of the bearing, the bearing can better fix other workpieces and is convenient to use, making the bearing more reliable and convenient in practical applications. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0016] Figure 1 This is a schematic diagram of the overall structure of the front side of the utility model;
[0017] Figure 2 This is a schematic diagram of the overall structure of the outer ring of the bearing of the utility model;
[0018] Figure 3 This is a schematic diagram of the overall structure of the inner ring of the bearing of the utility model;
[0019] Figure 4 This is a schematic diagram of the overall structure of the fixing assembly of the utility model;
[0020] Figure 5 This is a schematic diagram of the cross-sectional details of the clamping member of the utility model.
[0021] In the figure: 1. outer ring of bearing; 11. ceramic layer of outer ring; 12. inner chamfered through hole; 13. reinforcing rib; 2. inner ring of bearing; 21. ceramic layer of inner ring; 22. fixing assembly; 221. fixing ring; 222. threaded hole column; 223. fixing screw; 224. fixing ring; 225. clamping piece; 2251. clamping box; 2252. long sword-shaped rod; 2253. limiting hole; 2254. spring; 2255. middle baffle; 2256. resistance plate; 2257. vertical baffle; 2258. lower pressure block; 2259. tightening rod screw; 226. anti-slip coating; 3. inner chamfer. DETAILED DESCRIPTION
[0022] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model is described clearly and completely. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] The embodiment of the present application provides a bearing ring with a chamfered through hole, which solves the problem that burrs may be generated on the edge of the part during the processing of the ring. Bearings are usually heat treated before use to produce deformation and cracks. The existing rings require additional fixing equipment to fix the shaft and force rod when used.
[0024] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0025] The utility model embodiment discloses a bearing ring with a chamfered through hole.
[0026] According to the attached Figure 1-5 As shown, it includes a bearing outer ring 1 and a bearing inner ring 2 arranged inside the bearing outer ring 1, the outer surface of the bearing outer ring 1 is provided with an inner chamfered through hole 12, the inner corners of the bearing outer ring 1 and the bearing inner ring 2 are both provided with inner chamfers 3, the bearing inner ring 2 is fixedly connected with a fixing component 22, the fixing component 22 includes a fixing screw 223, a clamping member 225 and a tightening rod screw 2259, the fixing screw 223 is arranged on one side of the bearing inner ring 2, the clamping member 225 is arranged on the other side of the bearing inner ring 2, the clamping member 225 includes a contact plate 2256 and a lower pressing block 2258, the front end of the contact plate 2256 is abutted against the top of the lower pressing block 2258, and the bottom of the tightening rod screw 2259 is The abutment plate 2256 abuts against each other. Chamfers 3 are provided at the inner corners of the bearing outer ring 1 and the bearing inner ring 2 to help reduce burrs. At the same time, it helps to release stress and redistribute the internal structure during the rough machining process before heat treatment. The inner chamfer 3 can also reduce the pressure concentration between the bearing and the mating parts, thereby reducing the deformation and cracking. The rotating rod passing through the bearing inner ring 2 is fixed by the fixed cooperation of the clamp 225 and the fixing screw 223. The rotating rod is fixed by the abutment plate 2256 against the lower pressure block 2258. At the same time, the tightening rod screw 2259 abuts against the abutment plate 2256 to further fix the rotating rod by the lower pressure block 2258.
[0027] The fixing assembly 22 also includes a fixing ring 221, a threaded hole column 222, a fixing ring 224 and an anti-slip coating 226. The fixing ring 221 is fixedly connected to one side of the bearing inner ring 2, the fixing ring 224 is fixedly connected to the other side of the bearing inner ring 2, the threaded hole column 222 is fixedly connected in the fixing ring 221, the fixing screw 223 is threadedly connected to the threaded hole column 222 and the fixing ring 221, the anti-slip coating 226 is coated on the inner surfaces of the fixing ring 221 and the fixing ring 224, and the fixing screw 223 is threadedly connected to the inner surfaces of the fixing ring 221 and the fixing ring 224. When a rotating rod enters the bearing inner ring 2, the fixing screw 223 can be used to resist the rotating rod, and the anti-slip coating 226 also plays a role in fixing the rotating rod.
[0028] The clamping member 225 also includes a clamping box 2251, a sword-shaped long rod 2252, a limiting hole 2253 and an intermediate baffle 2255. The clamping box 2251 is fixedly connected to the outer end of the fixing ring 224, the limiting hole 2253 is provided at the front of the clamping box 2251, the sword-shaped long rod 2252 is slidably connected to the inside of the limiting hole 2253, and the intermediate baffle 2255 is fixedly connected to the end of the sword-shaped long rod 2252 away from the limiting hole 2253. The sword-shaped long rod 2252 is slidably connected in the clamping box 2251 through the limiting hole 2253, and at the same time drives the sliding of the middle baffle 2255. When the sword-shaped long rod 2252 is rotated to the point where the two guard handles are placed horizontally, the sword-shaped long rod 2252 cannot pass through the limiting hole 2253, and due to the establishment of the middle baffle 2255, the sword-shaped long rod 2252 cannot leave the clamping box 2251, so that the sword-shaped long rod 2252 plays the role of a control switch.
[0029] The clamping member 225 also includes a spring 2254 and a vertical baffle 2257. The spring 2254 is provided in two groups. One end of one group of springs 2254 is fixedly connected to the inner wall of the front end of the clamping box 2251, and the other end is against the middle baffle 2255. One end of the other group of springs 2254 is fixedly connected to the inner wall of the upper end of the clamping box 2251, and the other end is fixedly connected to the upper surface of the lower pressure block 2258. The vertical baffle 2257 is fixedly connected to the inner wall of the upper end of the clamping box 2251. One group of springs 2254 has a force to make the sword-shaped long rod 2252 have a sliding force toward the abutment plate 2256, and the other group of springs 2254 has a force to make the lower pressure block 2258 rebound upward. The function of the vertical baffle 2257 is to prevent the sword-shaped long rod 2252 from continuing to move forward and against the spring 2254 fixed on the lower pressure block 2258.
[0030] The resistance plate 2256 is fixedly connected to the end of the middle baffle 2255 away from the limiting hole 2253, the lower pressure block 2258 is slidably connected to the inside of the fixing ring 224, the tightening rod screw 2259 is threadedly connected to the inside of the clamping box 2251, and the lower end of the tightening rod screw 2259 is against the sword-shaped long rod 2252 through the inside of the fixing ring 224. When a rotating rod enters the inner ring 2 of the bearing, the lower pressure block 2258 can press and fix the rotating rod, and the tightening rod screw 2259 is threadedly connected to the sword-shaped long rod 2252 to press the sword-shaped long rod 2252 against the lower pressure block 2258.
[0031] An inner ring ceramic layer 21 is fixedly connected to the outer slideway of the inner ring 2 of the bearing. The inner ring ceramic layer 21 is provided to make the outer slideway smoother, so that the bearing can run more stably therein and reduce wear.
[0032] An outer ring ceramic layer 11 is fixedly connected to the inner slideway of the bearing outer ring 1. By providing the outer ring ceramic layer 11, the outer slideway is also smoother, thereby increasing the service life of the bearing.
[0033] A reinforcing rib 13 is fixedly connected to the outer surface of the bearing outer ring 1 , and the establishment of the reinforcing rib 13 enhances the bearing capacity and stability of the bearing outer ring 1 .
[0034] In summary, the above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.
Claims
1. A bearing ring with a chamfered through hole, comprising a bearing outer ring (1) and a bearing inner ring (2) arranged inside the bearing outer ring (1), characterized in that: The outer surface of the bearing outer ring (1) is provided with an inner chamfered through hole (12); the inner corners of the bearing outer ring (1) and the bearing inner ring (2) are both provided with inner chamfers (3); the bearing inner ring (2) is fixedly connected with a fixing assembly (22); the fixing assembly (22) comprises a fixing screw (223), a clamping member (225) and a tightening rod screw (2259); The fixing screw (223) is arranged on one side of the bearing inner ring (2), and the clamping member (225) is arranged on the other side of the bearing inner ring (2). The clamping member (225) includes a contact plate (2256) and a lower pressure block (2258). The front end of the contact plate (2256) is in contact with the top of the lower pressure block (2258), and the bottom of the tightening rod screw (2259) is in contact with the contact plate (2256).
2. A bearing ring with chamfered inner through hole according to claim 1, characterized in that: The fixing assembly (22) further comprises a fixing ring (221), a threaded hole column (222), a fixing ring (224) and an anti-slip coating (226); The fixing ring (221) is fixedly connected to one side of the bearing inner ring (2), the fixing ring (224) is fixedly connected to the other side of the bearing inner ring (2), the threaded hole column (222) is fixedly connected inside the fixing ring (221), the fixing screw (223) is threadedly connected inside the threaded hole column (222) and the fixing ring (221), and the anti-slip coating (226) is coated on the inner surfaces of the fixing ring (221) and the fixing ring (224).
3. A bearing ring with chamfered inner through hole according to claim 2, characterized in that: The clamping member (225) further comprises a clamping box (2251), a sword-shaped long rod (2252), a limiting hole (2253) and an intermediate baffle (2255); The clamping box (2251) is fixedly connected to the outer end of the fixing ring (224); the limiting hole (2253) is provided at the front of the clamping box (2251); the sword-shaped long rod (2252) is slidably connected to the inside of the limiting hole (2253); and the intermediate baffle (2255) is fixedly connected to the end of the sword-shaped long rod (2252) away from the limiting hole (2253).
4. A bearing ring with chamfered inner through hole according to claim 3, characterized in that: The clamping member (225) further includes a spring (2254) and a vertical baffle (2257); The springs (2254) are provided in two groups, one end of the springs (2254) of one group is fixedly connected to the inner wall of the front end of the clamping box (2251), and the other end is against the middle baffle (2255); the other end of the springs (2254) of the other group is fixedly connected to the inner wall of the upper end of the clamping box (2251), and the other end is fixedly connected to the upper surface of the lower pressure block (2258); the vertical baffle (2257) is fixedly connected to the inner wall of the upper end of the clamping box (2251).
5. A bearing ring with chamfered inner through hole according to claim 4, characterized in that: The abutment plate (2256) is fixedly connected to one end of the middle baffle (2255) away from the limiting hole (2253), the lower pressing block (2258) is slidably connected to the inside of the fixing ring (224), the tightening rod screw (2259) is threadedly connected to the inside of the clamping box (2251), and the lower end of the tightening rod screw (2259) is abutted against the sword-shaped long rod (2252).
6. A bearing ring with chamfered inner through hole according to claim 5, characterized in that: An inner ring ceramic layer (21) is fixedly connected to the outer slideway of the bearing inner ring (2).
7. A bearing ring with chamfered inner through hole according to claim 6, characterized in that: An outer ring ceramic layer (11) is fixedly connected to the inner slideway of the bearing outer ring (1).
8. A bearing ring with chamfered inner through hole according to claim 7, characterized in that: A reinforcing rib (13) is fixedly connected to the outer surface of the bearing outer ring (1).