Pressure relief type deep groove ball bearing
By designing pressure relief deep groove ball bearings and automatically filling lubricant with pressure relief components, the problem of sharp increase in pressure and lubricant consumption of deep groove ball bearings under high speed and high load is solved, lubrication and cooling are achieved, and the stability of the bearing is improved.
Patent Information
- Application Number
- CN202422068451.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-26
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-08-26
AI Technical Summary
When deep groove ball bearings operate at high speed and high load, the sharp increase in pressure leads to rapid heating and rapid consumption of lubricant oil, resulting in dry grinding, affecting bearing performance and stability.
A pressure relief deep groove ball bearing is designed, including an outer ring, an inner ring, a cage, a ball and a pressure relief assembly. The pressure relief assembly includes a dust cover, a pressure relief hole, a filling hole, a communication pipe and a storage tube. The internal pressure is released through the pressure relief hole, and lubricating oil is automatically added through the communication pipe and storage tube to achieve lubrication and cooling.
When the bearing is running at high load, lubricating oil is automatically added to the bearing to supplement lubrication and cool down, which improves the operation stability of the bearing and avoids dry grinding and performance degradation.
Smart Images
Figure CN222668706U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bearings, in particular to a pressure relief deep groove ball bearing. Background Art
[0002] Deep groove ball bearings are the most widely used rolling bearings. They are characterized by low friction resistance and high speed. They can be used on parts that bear radial loads or combined loads of radial and axial loads, and can also be used on parts that bear axial loads.
[0003] In the prior art, when deep groove ball bearings are in use, the pressure inside the deep groove ball bearings will increase sharply under high-speed and high-load operating conditions. The increased pressure will cause the bearings to heat up rapidly, which will cause the lubricating oil inside the bearings to be quickly consumed and dry grinding to occur, affecting the performance and stability of the bearings. Utility Model Content
[0004] In view of this, the purpose of the present invention is to provide a pressure relief deep groove ball bearing to solve all or one of the problems mentioned in the above background technology.
[0005] Based on the above purpose, the utility model provides a pressure relief deep groove ball bearing, the pressure relief deep groove ball bearing includes an outer ring and an inner ring, two retaining frames are arranged between the outer ring and the inner ring, and a plurality of balls are arranged between the two retaining frames; a pressure relief component, the pressure relief component is located between the outer ring and the inner ring, the pressure relief component includes a dust cover, the top of the dust cover is symmetrically provided with pressure relief holes, the top of the dust cover is symmetrically provided with filling holes, the top of the dust cover is symmetrically fixedly connected with a connecting pipe, and the end face of the connecting pipe is fixedly connected with a storage pipe.
[0006] Optionally, an annular groove is formed on the outer surface of the outer ring, and a threaded sleeve is fixedly connected to the inner surface of the annular groove.
[0007] Optionally, a first connecting rod is symmetrically fixedly connected to the top of the dust cover, and a connecting plate is fixedly connected to the end surface of the first connecting rod.
[0008] Optionally, a second connecting rod is fixedly connected to the outer surface of the connecting plate on one side close to the dust cover.
[0009] Optionally, a mounting ring is fixedly connected between the end surfaces of the two second connecting rods, the mounting ring is located at an inner side of the annular groove, and the mounting ring is threadedly connected to the threaded sleeve.
[0010] Optionally, a cover plate is fixedly connected to the top of the storage tube, a one-way valve is fixedly connected to the top of the cover plate, and a filling pipe is fixedly connected to the end face of the one-way valve.
[0011] Optionally, the filling pipe is fixedly connected to the dust cover, and the filling pipe matches the position of the filling hole.
[0012] Optionally, a spring is fixedly connected to the bottom of the cover plate, the spring is located inside the storage tube, and a movable plate is fixedly connected to the lower end surface of the spring.
[0013] Optionally, a rubber ring is provided on the outer surface of the movable plate, and the outer surface of the rubber ring is in contact with the inner surface of the storage tube.
[0014] Optionally, an oil filling valve is fixedly connected to the outer surface of the storage tube, and the oil filling valve is located on the upper side of the movable plate.
[0015] From the above description, it can be seen that the utility model provides a pressure relief deep groove ball bearing. When the operating load of the bearing is too large, the large pressure will cause the spring to be compressed, thereby causing the movable plate to be subjected to an upward force. At this time, since lubricating oil is stored in the storage tube, the lubricating oil can be pushed upward by moving the movable plate upward, and the lubricating oil will flow into the filling pipe through the one-way valve. At this time, the lubricating oil will flow through the filling pipe position and flow from the filling hole position between the outer ring and the inner ring for lubrication. At this time, the added lubricating oil can play a role in supplementing lubrication and cooling, thereby realizing the effect of automatically adding lubricating oil to the inside of the bearing for lubrication and cooling when the bearing is running under high load, thereby improving the stability of the bearing operation. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] 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.
[0017] Figure 1 A three-dimensional diagram of a pressure relief deep groove ball bearing provided by the utility model;
[0018] Figure 2 An exploded view of the pressure relief deep groove ball bearing provided by the utility model;
[0019] Figure 3 A schematic diagram of the structure of a pressure relief assembly of a pressure relief deep groove ball bearing provided by the utility model;
[0020] Figure 4 The utility model provides a schematic diagram of the storage tube structure of the pressure relief deep groove ball bearing.
[0021] in:
[0022] 1. Outer ring; 2. Inner ring; 3. Cage; 4. Ball; 5. Annular groove; 6. Threaded sleeve; 7. Pressure relief assembly; 701. Dust cover; 702. First connecting rod; 703. Connecting plate; 704. Second connecting rod; 705. Pressure relief hole; 706. Filling hole; 707. Connecting pipe; 708. Storage pipe; 709. Cover plate; 710. One-way valve; 711. Filling pipe; 712. Oil filling valve; 713. Spring; 714. Moving plate; 715. Rubber ring; 716. Mounting ring. DETAILED DESCRIPTION
[0023] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.
[0024] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the embodiments of the utility model should be the common meanings understood by people with ordinary skills in the field to which the disclosure belongs. The "first", "second" and similar words used in the present disclosure do not represent any order, quantity or importance, but are only used to distinguish different components. "Including" or "comprising" and similar words mean that the elements or objects appearing before the word cover the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.
[0025] Embodiment 1, as Figure 1-Figure 4 As shown, the utility model provides a pressure relief deep groove ball bearing, which includes an outer ring 1, an inner ring 2 and a pressure relief assembly 7. Two retainers 3 are arranged between the outer ring 1 and the inner ring 2, and a plurality of balls 4 are arranged between the two retainers 3. The pressure relief assembly 7 is located between the outer ring 1 and the inner ring 2. The pressure relief assembly 7 includes a dust cover 701, a pressure relief hole 705 is symmetrically opened on the top of the dust cover 701, a filling hole 706 is symmetrically opened on the top of the dust cover 701, a connecting pipe 707 is symmetrically fixedly connected to the top of the dust cover 701, and a storage pipe 708 is fixedly connected to the end face of the connecting pipe 707. A cover plate 709 is fixedly connected to the top of the storage pipe 708, a one-way valve 710 is fixedly connected to the top of the cover plate 709, a filling pipe 711 is fixedly connected to the end face of the one-way valve 710, and the filling pipe 711 is fixedly connected to the dust cover 701.
[0026] The filling pipe 711 matches the filling hole 706. The bottom of the cover plate 709 is fixedly connected with a spring 713, which is located inside the storage tube 708. The lower end of the spring 713 is fixedly connected with a moving plate 714. A rubber ring 715 is arranged on the outer surface of the moving plate 714, and the outer surface of the rubber ring 715 is in contact with the inner surface of the storage tube 708. The outer surface of the storage tube 708 is fixedly connected with an oil filling valve 712, which is located on the upper side of the moving plate 714. The dust cover 701 can play a role in dust protection between the outer ring 1 and the inner ring 2. Under high-speed and high-load operation, the pressure between the outer ring 1 and the inner ring 2 will increase, and the increase in pressure will cause the temperature to rise. At this time, the internal pressure of the outer ring 1 and the inner ring 2 can be released through the setting of the pressure relief hole 705 for pressure relief. When the pressure is released, the pressure in the storage tube 708 will increase through the connection of the connecting tube 707. When the operating load of the bearing is too large, the larger pressure will compress the spring 713, causing the movable plate 714 to be subjected to an upward force. At this time, since the storage tube 708 stores lubricating oil, the upward movement of the movable plate 714 can push the lubricating oil upward, and the lubricating oil will flow through the one-way valve 710 to the filling tube 711. At this time, the lubricating oil will flow through the filling tube 711 and flow from the filling hole 706 to the space between the outer ring 1 and the inner ring 2 for lubrication.
[0027] The working principle here is: through the outer ring 1, the inner ring 2, the cage 3 and the ball 4, a complete deep groove ball bearing is formed for use. During the use of the bearing, the dust cover 701 can be set to play a role in dust protection between the outer ring 1 and the inner ring 2. During the high-speed operation of the bearing, under the high-speed and high-load operation, the pressure between the outer ring 1 and the inner ring 2 will increase, and the increase in pressure will cause the temperature to rise. At this time, through the setting of the pressure relief hole 705, the internal pressure of the outer ring 1 and the inner ring 2 can be released for pressure relief. During the pressure relief, the pressure in the storage tube 708 will increase through the connection of the connecting tube 707. When the operating load of the bearing is too large, the larger pressure will cause the spring 713 to be compressed, resulting in the upward force on the moving plate 714. At this time, since lubricating oil is stored in the storage tube 708, the lubricating oil can be pushed upward by moving the movable plate 714 upward, and the lubricating oil will flow into the filling tube 711 through the one-way valve 710. At this time, the lubricating oil will flow through the filling tube 711 position and flow into the space between the outer ring 1 and the inner ring 2 from the filling hole 706 position for lubrication. At this time, the added lubricating oil can play a role in supplementing lubrication and cooling, and realizes the effect of automatically adding lubricating oil to the inside of the bearing for lubrication and cooling when the bearing is running under high load, thereby improving the stability of the bearing operation.
[0028] like Figure 1-Figure 4As shown, an annular groove 5 is provided on the outer surface of the outer ring 1, a threaded sleeve 6 is fixedly connected to the inner surface of the annular groove 5, a first connecting rod 702 is symmetrically fixedly connected to the top of the dust cover 701, a connecting plate 703 is fixedly connected to the end surface of the first connecting rod 702, a second connecting rod 704 is fixedly connected to the outer surface of the connecting plate 703 close to the dust cover 701, and a mounting ring 716 is fixedly connected between the end surfaces of the two second connecting rods 704. The mounting ring 716 is located at the inner side of the annular groove 5, and the mounting ring 716 is threadedly connected to the threaded sleeve 6. After the mounting ring 716 is rotated and separated from the threaded sleeve 6, the dust cover 701 can be driven to separate from the bearing through the connection between the second connecting rod 704, the connecting plate 703 and the first connecting rod 702, so that the pressure relief assembly 7 and the bearing can be easily disassembled for maintenance.
[0029] The working principle here is: through the setting of the rotating threaded connection between the mounting ring 716 and the threaded sleeve 6, after the mounting ring 716 is rotated and separated from the threaded sleeve 6, the dust cover 701 can be driven to separate from the bearing through the connection between the second connecting rod 704, the connecting plate 703 and the first connecting rod 702, so that the pressure relief assembly 7 and the bearing can be easily disassembled for maintenance, thereby improving the convenience of the bearing maintenance operation.
[0030] Working principle: The outer ring 1, the inner ring 2, the retainer 3 and the ball 4 are used together to form a complete deep groove ball bearing for use. During the use of the bearing, the dust cover 701 can play a role in dust protection between the outer ring 1 and the inner ring 2. Under the high-speed and high-load operation of the bearing, the pressure between the outer ring 1 and the inner ring 2 will increase, and the increase in pressure will cause the temperature to rise. At this time, the internal pressure of the outer ring 1 and the inner ring 2 is released through the pressure relief hole 705 for pressure relief. During the pressure relief, the pressure in the storage tube 708 will increase through the connection of the connecting pipe 707. When the operating load of the bearing is too large, the large pressure will cause the spring 713 to be compressed, resulting in the upward force on the moving plate 714. At this time, since the storage tube 708 stores lubricating oil, the lubricating oil can be pushed upward by moving the moving plate 714 upward, and the lubricating oil will flow into the filling pipe 711 through the one-way valve 710. The lubricating oil will flow through the filling pipe 711 and flow into the outer ring 1 and the inner ring 2 from the filling hole 706 for lubrication. At this time, the lubricating oil can play a role in supplementing lubrication and cooling. The mounting ring 716 is rotatably threadedly connected to the threaded sleeve 6. After the mounting ring 716 is rotated and separated from the threaded sleeve 6, the dust cover 701 can be driven to separate from the bearing through the connection between the second connecting rod 704, the connecting plate 703 and the first connecting rod 702, so that the pressure relief assembly 7 can be easily disassembled and maintained from the bearing, which improves the convenience of bearing maintenance operations.
[0031] A person skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present disclosure, including the claims, is limited to these examples. Under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of different aspects of the present invention as above, which are not provided in detail for the sake of simplicity.
[0032] The embodiments of the present invention are intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A pressure relief deep groove ball bearing, characterized in that: The pressure relief deep groove ball bearing comprises an outer ring (1) and an inner ring (2), two retaining frames (3) are arranged between the outer ring (1) and the inner ring (2), and a plurality of balls (4) are arranged between the two retaining frames (3); A pressure relief assembly (7), the pressure relief assembly (7) being located between the outer ring (1) and the inner ring (2), the pressure relief assembly (7) comprising a dust cover (701), the top of the dust cover (701) being symmetrically provided with pressure relief holes (705), the top of the dust cover (701) being symmetrically provided with filling holes (706), the top of the dust cover (701) being symmetrically fixedly connected with a connecting pipe (707), and the end surface of the connecting pipe (707) being fixedly connected with a storage pipe (708).
2. The pressure relief deep groove ball bearing according to claim 1, characterized in that: An annular groove (5) is formed on the outer surface of the outer ring (1), and a threaded sleeve (6) is fixedly connected to the inner surface of the annular groove (5).
3. The pressure relief deep groove ball bearing according to claim 2, characterized in that: The top of the dust cover (701) is symmetrically fixedly connected to a first connecting rod (702), and the end surface of the first connecting rod (702) is fixedly connected to a connecting plate (703).
4. The pressure relief deep groove ball bearing according to claim 3, characterized in that: A second connecting rod (704) is fixedly connected to the outer surface of the connecting plate (703) on one side close to the dust cover (701).
5. The pressure relief deep groove ball bearing according to claim 4, characterized in that: A mounting ring (716) is fixedly connected between the end surfaces of the two second connecting rods (704); the mounting ring (716) is located inside the annular groove (5); and the mounting ring (716) is threadedly connected to the threaded sleeve (6).
6. The pressure relief deep groove ball bearing according to claim 5, characterized in that: The top of the storage tube (708) is fixedly connected to a cover plate (709), the top of the cover plate (709) is fixedly connected to a one-way valve (710), and the end surface of the one-way valve (710) is fixedly connected to a filling pipe (711).
7. The pressure relief deep groove ball bearing according to claim 6, characterized in that: The filling pipe (711) is fixedly connected to the dust cover (701), and the filling pipe (711) matches the position of the filling hole (706).
8. The pressure relief deep groove ball bearing according to claim 7, characterized in that: A spring (713) is fixedly connected to the bottom of the cover plate (709), the spring (713) is located inside the storage tube (708), and a moving plate (714) is fixedly connected to the lower end surface of the spring (713).
9. The pressure relief deep groove ball bearing according to claim 8, characterized in that: A rubber ring (715) is provided on the outer surface of the movable plate (714), and the outer surface of the rubber ring (715) is in contact with the inner surface of the storage tube (708).
10. The pressure relief deep groove ball bearing according to claim 9, characterized in that: An oil injection valve (712) is fixedly connected to the outer surface of the storage tube (708), and the oil injection valve (712) is located on the upper side of the movable plate (714).