A high-sealing water pump bearing
By adding reinforcement rings in the water pump bearing and using a combined structure of balls, grooves, elastic clamps and sealing rings, the problem of the bearing's sealing ability decreased due to stress deformation during long-term use is solved, and high sealing and strength are improved.
Patent Information
- Application Number
- CN202421311108.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-11
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-06-11
AI Technical Summary
When existing water pump bearings are used for a long time, the internal components of the bearing are easily deformed by force, resulting in gaps at the connection and reducing sealing performance.
A high-sealing water pump bearing is designed. By adding a reinforcement ring between the outer ring of the bearing and the inner ring of the bearing, the sealing performance and strength of the bearing are enhanced by using the relative movement of the ball and the groove and the sealing structure of the elastic clamp and sealing ring.
During long-term high-speed movement, maintain high sealing properties, prevent bearing stress deformation, and improve sealing performance and service life.
Smart Images
Figure CN222702214U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bearings, in particular to a high-sealing water pump bearing. Background Art
[0002] In recent years, as the performance of engines used in water pumps has gradually improved, the requirements for bearing sealing performance have also increased. The reliability and durability of bearing sealing directly affects the performance of bearings. Therefore, effectively improving the sealing performance of bearings is the premise and key to improving bearing performance.
[0003] In existing water pump bearings, the outer ring and inner ring of the bearing are usually directly connected through a sealing component, and there is a lack of reinforcement between the two. During long-term use, the components inside the bearing are easily deformed by force, resulting in gaps at the connection, which affects its sealing and reduces its own sealing performance. Utility Model Content
[0004] The utility model aims to provide a water pump bearing with high sealing performance, which solves the technical problems raised in the background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-sealing water pump bearing, comprising a bearing outer ring and a reinforcement ring, the inner wall of the bearing outer ring is provided with a groove, the outer wall of the reinforcement ring is fixedly connected with a clamping block, the reinforcement ring is clamped with the bearing outer ring through the clamping block, the inner wall of the reinforcement ring is rotatably connected with the bearing inner ring, the outer wall of the bearing inner ring is fixedly connected with a fixing ring, the inner wall of the fixing ring is fixedly connected with a plurality of balls, the plurality of balls are evenly arranged in the circumferential direction, a limiting ring is sleeved on the outer side of the fixing ring, a plurality of limiting holes are clamped on the limiting ring, and the outer side of the balls abuts against the inner walls of the limiting holes.
[0006] Preferably, a rolling groove is provided on the inner wall of the reinforcement ring, the outer wall of the limiting ring is rotatably connected to the inner wall of the rolling groove, and the inner wall of the reinforcement ring is symmetrically provided with limiting grooves located on the outer side of the rolling groove.
[0007] Preferably, the outer circumferential wall of the bearing inner ring and the inner circumferential wall of the reinforcement ring are clearance-matched to form a hollow groove one, the inner wall of the hollow groove one is clamped with a clamping ring, the outer wall of the clamping ring is fixedly connected with an elastic clamping strip, and the elastic clamping strip abuts against the inner wall of the limiting groove.
[0008] Preferably, a plurality of fastening blocks are fixedly connected to the outer wall of the inner ring of the bearing and are located outside the fixing ring.
[0009] Preferably, the outer circumferential wall of the reinforcement ring and the inner circumferential wall of the bearing outer ring are clearance-matched to form a second hollow groove, and a sealing ring is clamped on the inner wall of the second hollow groove.
[0010] Preferably, the bearing outer ring, reinforcement ring, bearing inner ring, fixing ring, fastening block, limiting ring and retaining ring are all made of rigid materials.
[0011] Preferably, the clamping ring and the sealing ring are made of rubber.
[0012] Compared with the related art, the high-sealing water pump bearing provided by the utility model has the following beneficial effects:
[0013] 1. A reinforcing ring is added between the bearing outer ring and the bearing inner ring of the bearing. When in use, the balls on the outer side of the bearing inner ring move relatively along the rolling groove on the inner side of the reinforcing ring. After the bearing inner ring, the reinforcing ring and the bearing outer ring are installed as a whole, the elastic clip strip and the sealing ring are respectively inserted into the corresponding gaps during installation to seal the gaps, so that the bearing can maintain high sealing performance during long-term high-speed movement. The reinforcing ring enhances the strength between the bearing outer ring and the bearing inner ring, making it difficult for the bearing to be deformed by force, thereby improving its own sealing performance. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the structure of the utility model;
[0015] Figure 2 The explosion of the utility model Figure 1 ;
[0016] Figure 3 The explosion of the utility model Figure 2 ;
[0017] Figure 4 This is a schematic diagram of the structure of the reinforcing ring of the utility model;
[0018] Figure 5 It is a schematic diagram of the structure of the inner ring of the bearing of the present utility model.
[0019] In the figure: 1. outer ring of bearing; 2. groove; 3. reinforcement ring; 4. clamping block; 5. rolling groove; 6. limiting groove; 7. inner ring of bearing; 8. fixing ring; 9. ball; 10. fastening block; 11. limiting ring; 12. limiting hole; 13. clamping ring; 14. elastic clamping strip; 15. sealing ring. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0021] Example:
[0022] See also Figure 1-Figure 5 The utility model provides a technical solution: a high-sealing water pump bearing, comprising a bearing outer ring 1 and a reinforcement ring 3, the inner wall of the bearing outer ring 1 is provided with a card slot 2, the outer wall of the reinforcement ring 3 is fixedly connected with a card block 4, the reinforcement ring 3 is clamped with the bearing outer ring 1 through the card block 4, the inner wall of the reinforcement ring 3 is rotatably connected with a bearing inner ring 7, the outer wall of the bearing inner ring 7 is fixedly connected with a fixing ring 8, the inner wall of the fixing ring 8 is fixedly connected with a plurality of balls 9, the plurality of balls 9 are evenly arranged in the circumferential direction, the outer side of the fixing ring 8 is sleeved with a limiting ring 11, the limiting ring 11 is clamped with a plurality of limiting holes 12, the outer side of the ball 9 and the inner wall of the limiting hole 12 Abutment, the inner wall of the reinforcement ring 3 is provided with a rolling groove 5, the outer wall of the limit ring 11 is rotatably connected to the inner wall of the rolling groove 5, the inner wall of the reinforcement ring 3 and the outer side of the rolling groove 5 are symmetrically provided with a limit groove 6, the bearing is provided with a reinforcement ring 3 between the bearing outer ring 1 and the bearing inner ring 7, when in use, the balls 9 on the outer side of the bearing inner ring 7 move relative to each other along the rolling groove 5 on the inner side of the reinforcement ring 3, and the bearing body can be sealed by the elastic clip 14 and the sealing ring 15 installed between the bearing outer ring 1 and the bearing inner ring 7, so that it is not easy to have a gap between the bearing outer ring 1 and the bearing inner ring 7 when the bearing moves at high speed for a long time, and the high sealing performance is always maintained;
[0023] A plurality of fastening blocks 10 are fixedly connected to the outer wall of the bearing inner ring 7 and located outside the fixing ring 8. The fastening blocks 10 are used to reinforce the inner ring 7 and the fixing ring 8, thereby enhancing the strength between the two, preventing the inner ring 7 from deforming under long-term high-speed movement, and improving the sealing performance of the bearing;
[0024] The outer circumferential wall of the bearing inner ring 7 and the inner circumferential wall of the reinforcement ring 3 are gap-matched to form an empty groove 1, the inner wall of the empty groove 1 is clamped with a clamping ring 13, the outer wall of the clamping ring 13 is fixedly connected with an elastic clamping strip 14, the elastic clamping strip 14 abuts against the inner wall of the limiting groove 6, the outer circumferential wall of the reinforcement ring 3 and the inner circumferential wall of the bearing outer ring 1 are gap-matched to form an empty groove 2, the inner wall of the empty groove 2 is clamped with a sealing ring 15, after the bearing inner ring 7 and the reinforcement ring 3 are installed as a whole, the clamping ring 13 is clamped into the gap between the two (i.e., the empty groove 1), after the clamping, the elastic clamping strip 14 is tightly abutted against the limiting groove 6, and the gap between the two is sealed, and at the same time, after the reinforcement ring 3 and the bearing outer ring 1 are installed as a whole, the sealing ring 15 is clamped into the gap between the two (i.e., the empty groove 2), and the gap between the reinforcement ring 3 and the bearing outer ring 1 is sealed;
[0025] The bearing outer ring 1, reinforcement ring 3, bearing inner ring 7, fixing ring 8, fastening block 10, limit ring 11 and retaining ring 13 are all made of rigid materials with high hardness and strength, and are not easily deformed by force, so as to prevent the bearing from having gaps that reduce its sealing performance. The bearing retaining ring 13 and sealing ring 15 are made of rubber material with high elasticity, which is conducive to forming a tight fit at the connection gap, enhancing waterproofness and sealing. At the same time, they have strong wear resistance and corrosion resistance, are not easy to be damaged, and are relatively durable.
[0026] In this embodiment, a reinforcing ring 3 is added between the bearing outer ring 1 and the bearing inner ring 7. When in use, the balls 9 on the outer side of the bearing inner ring 7 move relative to each other along the rolling groove 5 on the inner side of the reinforcing ring 3. After the bearing inner ring 7 and the reinforcing ring 3 are installed as a whole, the snap ring 13 is inserted into the gap between the two. After the insertion, the elastic clip strip 14 is pressed against the limiting groove 6 to seal the gap between the two. After the reinforcing ring 3 and the bearing outer ring 1 are installed as a whole, the sealing ring 15 is inserted into the gap between the two to seal the gap between the reinforcing ring 3 and the bearing outer ring 1, so that it is not easy to have a gap between the bearing outer ring 1 and the bearing inner ring 7 when the bearing moves at high speed for a long time, and high sealing is always maintained. The bearing inner ring 7 and the fixing ring 8 are reinforced by the fastening block 10 to enhance the strength between the two, prevent the bearing inner ring 7 from deforming under long-term high-speed movement, and further improve the sealing of the bearing.
[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A high-sealing water pump bearing, comprising a bearing outer ring (1) and a reinforcement ring (3), characterized in that: The inner wall of the bearing outer ring (1) is provided with a slot (2); the outer wall of the reinforcement ring (3) is fixedly connected with a block (4); the reinforcement ring (3) is clamped with the bearing outer ring (1) via the block (4); the inner wall of the reinforcement ring (3) is rotatably connected with the bearing inner ring (7); the outer wall of the bearing inner ring (7) is fixedly connected with a fixing ring (8); the inner wall of the fixing ring (8) is fixedly connected with a plurality of balls (9); the plurality of balls (9) are evenly arranged in a circumferential direction; a limiting ring (11) is sleeved on the outer side of the fixing ring (8); a plurality of limiting holes (12) are clamped on the limiting ring (11); the outer sides of the balls (9) abut against the inner walls of the limiting holes (12).
2. A high-sealing water pump bearing according to claim 1, characterized in that: The inner wall of the reinforcement ring (3) is provided with a rolling groove (5), the outer wall of the limiting ring (11) is rotatably connected to the inner wall of the rolling groove (5), and the inner wall of the reinforcement ring (3) is symmetrically provided with limiting grooves (6) located outside the rolling groove (5).
3. A high-sealing water pump bearing according to claim 1, characterized in that: The outer circumferential wall of the bearing inner ring (7) and the inner circumferential wall of the reinforcement ring (3) are clearance-matched to form a hollow groove (1), the inner wall of the hollow groove (1) is clamped with a clamping ring (13), the outer wall of the clamping ring (13) is fixedly connected with an elastic clamping strip (14), and the elastic clamping strip (14) abuts against the inner wall of the limiting groove (6).
4. A high-sealing water pump bearing according to claim 1, characterized in that: A plurality of fastening blocks (10) are fixedly connected to the outer wall of the bearing inner ring (7) and located outside the fixing ring (8).
5. The high-sealing water pump bearing according to claim 1, characterized in that: The outer circumferential wall of the reinforcement ring (3) and the inner circumferential wall of the bearing outer ring (1) are clearance-matched to form a second hollow groove, and a sealing ring (15) is clamped on the inner wall of the second hollow groove.
6. A high-sealing water pump bearing according to claim 1, characterized in that: The bearing outer ring (1), the reinforcement ring (3), the bearing inner ring (7), the fixing ring (8), the fastening block (10), the limiting ring (11) and the retaining ring (13) are all made of rigid materials.
7. A high-sealing water pump bearing according to claim 3, characterized in that: The clamping ring (13) and the sealing ring (15) are made of rubber.