Bearing for automobile

Abstract

The utility model discloses a bearing for an automobile, which comprises an outer ring, an inner ring is arranged on the inner side of the outer ring, grooves are arranged on the inner side of the outer ring and the outer side of the inner ring, a retainer is arranged between the grooves of the outer ring and the inner ring, and a plurality of balls are connected in the retainer in a rolling manner. Sealing rings are arranged on the front side and the rear side of the outer ring and the front side and the rear side of the inner ring correspondingly, a plurality of fixing bolts are arranged between the sealing rings, threaded holes are formed in the sealing rings correspondingly, and liquid injection assemblies are in threaded connection with the interiors of the threaded holes correspondingly. According to the bearing, the sealing rings are connected with the sealing grooves in the outer ring and the inner ring in the embedded mode through the sealing rings, the sealing performance of the bearing can be improved, lubricating oil can be supplemented into the bearing through the liquid injection assembly under the condition that the bearing is not disassembled, and therefore the practicability of the bearing can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing technical field especially relates to a bearing for car. BACKGROUND

[0002] The bearing for car generally includes outer ring, inner ring, retainer, rolling element and sealing ring, the outer ring is connected with the automobile suspension, the rolling element is installed between the outer ring and the inner ring through the retainer, and the sealing ring is arranged between the outer ring and the inner ring on the both sides of the rolling element, the sealing ring is generally installed through the skeleton support, thereby sealing the inside of the bearing.

[0003] The existing bearing sealing effect is poor, and dust and impurities are easy to enter the inside, leading to the failure of lubricating oil, and after sealing, it is inconvenient to disassemble, and it is difficult to add lubricating oil in the bearing after long-term use. In order to overcome these disadvantages, the utility model provides a bearing for car. UTILITY MODEL CONTENTS

[0004] The utility model discloses a bearing for car which solves the problems in the prior art.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a bearing for car, comprising an outer ring, an inner ring is arranged on the inner side of the outer ring, recesses are formed on the inner side of the outer ring and the outer side of the inner ring, a retainer is arranged between the recesses of the outer ring and the inner ring, a plurality of rolling balls are rotatably connected inside the retainer, sealing rings are arranged on the front and rear sides of the outer ring and the inner ring, a plurality of fixing bolts are arranged between the sealing rings, threaded holes are formed in the sealing rings, and liquid injection assemblies are threadedly connected in the threaded holes.

[0006] Further, the retainer comprises a plurality of connecting plates, arc-shaped limiting plates are fixedly connected between adjacent connecting plates, rivets are arranged between the connecting plates, and the rolling balls are arranged between corresponding arc-shaped limiting plates.

[0007] Further, through holes are formed in the connecting plates, a plurality of counterbores are formed in the sealing rings, and the fixing bolts pass through the corresponding counterbores and through holes.

[0008] Further, limiting grooves are formed at the inner circles of the front and rear sides of the outer ring and the outer circles of the front and rear sides of the inner ring, sealing grooves are formed at the middle positions of the limiting grooves, the sealing rings are rotatably connected with the corresponding limiting grooves on the two sides, sealing rings are fixedly connected at the inner and outer circles of the inner sides of the sealing rings, and the sealing rings are embeddedly connected with the corresponding sealing grooves.

[0009] Further, the liquid injection assembly comprises a sealing bolt threadedly connected with the threaded hole, a limiting hole is formed at the middle position of the sealing bolt, and a sink is arranged at the front and rear sides of the limiting hole.

[0010] Further, the limiting hole is internally provided with a rubber plug in a I-shaped structure.

[0011] The utility model discloses beneficial effect:

[0012] The utility model discloses in using, the bearing for car, set up the sealing ring through the sealing ring and the sealing groove on the outer ring and the inner ring carry out the inlaying connection, can improve the sealing of bearing, through the liquid injection component that sets up can supplement the lubricating oil to the bearing interior under the condition that bearing is not dismantled, can improve the practicality of bearing. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme of the utility model, the following will be to the specific implementation mode description needed to use the drawing of simple introduction, obviously, the following description in the drawing is only some embodiments of the utility model, for the ordinary skilled person in the art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0014] Figure 1 : the front view of the utility model,

[0015] Figure 2 : the cage, ball mounting structure schematic view of the utility model,

[0016] Figure 3 : the recess, sealing groove structure schematic view of the utility model,

[0017] Figure 4 : the cage structure schematic view of the utility model,

[0018] Figure 5 : the sealing ring structure schematic view of the utility model,

[0019] Figure 6 : the sealing ring mounting structure schematic view of the utility model,

[0020] Figure 7 : the liquid injection component structure schematic view of the utility model,

[0021] Figure 8 : the limiting hole structure schematic view of the utility model,

[0022] Figure 9 : the rubber plug structure schematic view of the utility model.

[0023] The following are the signs of the drawing:

[0024] 1. Outer ring; 2. Inner ring; 3. Sealing ring; 4. Fixing bolt; 5. Injection assembly; 6. Cage; 7. Ball; 8. Groove; 9. Limiting groove; 10. Sealing groove; 11. Connecting plate; 12. Arc-shaped limiting plate; 13. Rivet; 14. Through hole; 15. Countersunk hole; 16. Threaded hole; 17. Sealing ring; 18. Sealing bolt; 19. Rubber plug; 20. Limiting hole. DETAILED DESCRIPTION

[0025] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] like Figures 1-9 As shown, it relates to a bearing for automobiles, including an outer ring 1, an inner ring 2 is provided on the inner side of the outer ring 1, a groove 8 is provided on the inner side of the outer ring 1 and the outer side of the inner ring 2, a retainer 6 is provided between the grooves 8 of the outer ring 1 and the inner ring 2, a plurality of balls 7 are connected in a rolling manner inside the retainer 6, sealing rings 3 are provided on the front and rear sides of the outer ring 1 and the inner ring 2, a plurality of fixing bolts 4 are provided between the sealing rings 3, threaded holes 16 are provided on the sealing rings 3, and liquid injection components 5 are threadedly connected inside the threaded holes 16.

[0027] As shown in the figure, the retainer 6 includes several connecting plates 11, and arc-shaped limit plates 12 are fixedly connected between adjacent connecting plates 11. Rivets 13 are provided between corresponding connecting plates 11, and the balls 7 are arranged between the corresponding arc-shaped limit plates 12. Through holes 14 are provided on the corresponding connecting plates 11, and several countersunk holes 15 are provided on the sealing ring 3. The fixing bolts 4 pass through the corresponding countersunk holes 15 and the through holes 14. Rubber sealing gaskets are provided between the fixing bolts 4 and the countersunk holes 15. The balls 7 are installed between the grooves 8 of the outer ring 1 and the inner ring 2, and then the retainer 6 is loaded on both sides of the balls 7 respectively, and the retainer 6 on both sides is fixed with rivets 13.

[0028] As shown in the figure, limiting grooves 9 are provided at the inner circle of the front and rear sides of the outer ring 1 and the outer circle of the front and rear sides of the inner ring 2. A sealing groove 10 is provided in the middle of the limiting groove 9. The two sides of the sealing ring 3 are rotatably connected to the corresponding limiting grooves 9 respectively. The inner and outer circles of the inner side of the sealing ring 3 are fixedly connected with sealing rings 17. The sealing ring 17 is engaged with the corresponding sealing groove 10. The two sides of the sealing ring 3 are clamped with the corresponding limiting grooves 9, and then the fixing bolts 4 are used to pass through the corresponding countersunk holes 15 and through holes 14 to limit the sealing ring 3, thereby improving the sealing performance of the bearing.

[0029] As shown in the figure, the liquid injection assembly 5 comprises a sealing bolt 18 threaded with the threaded hole 16, a limiting hole 20 is formed in the middle of the sealing bolt 18, the limiting hole 20 is provided with a recess on the front and rear sides, a rubber plug 19 is clamped in the limiting hole 20, the rubber plug 19 is a I-shaped structure, the rubber plug 19 is clamped on both sides of the recess, so that the firmness of the rubber plug 19 can be improved, the lubricating oil can be extracted by using a syringe, the needle of the syringe is inserted into the rubber plug 19, so that the lubricating oil can be injected into the bearing by the syringe.

[0030] Working principle: in use, the ball 7 is loaded between the outer ring 1 and the inner ring 2, the retainer 6 is loaded on both sides of the ball 7, the rivet 13 is used to fix the retainer 6 on both sides, the sealing ring 3 is embedded and connected with the sealing groove 10 on the outer ring 1 and the inner ring 2 through the sealing ring 17, specifically, the sealing ring 3 is clamped on both sides of the corresponding limiting groove 9, and the fixing bolt 4 is used to pass through the corresponding counterbore 15 and the through hole 14, so that the sealing ring 3 can be limited, thereby the sealing performance of the bearing can be improved, the liquid injection assembly 5 can supplement the lubricating oil in the bearing without disassembling the bearing, thereby the practicability of the bearing can be improved, specifically, the lubricating oil can be extracted by using a syringe, the needle of the syringe is inserted into the rubber plug 19, so that the lubricating oil can be injected into the bearing by the syringe.

[0031] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific implementation. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and use the utility model. The utility model is limited by the claims and the whole scope and equivalents.

Claims

1. A bearing for an automobile, comprising an outer ring (1), characterized in that: An inner ring (2) is provided on the inner side of the outer ring (1), a groove (8) is provided on the inner side of the outer ring (1) and the outer side of the inner ring (2), a retaining frame (6) is provided between the grooves (8) of the outer ring (1) and the inner ring (2), a plurality of balls (7) are connected in a rolling manner inside the retaining frame (6), sealing rings (3) are provided on the front and rear sides of the outer ring (1) and the inner ring (2), a plurality of fixing bolts (4) are provided between the sealing rings (3), threaded holes (16) are provided on the sealing rings (3), and a liquid injection component (5) is threadedly connected inside the threaded holes (16).

2. A bearing for an automobile according to claim 1, characterized in that: The retaining frame (6) includes a plurality of connecting plates (11), arc-shaped limiting plates (12) are fixedly connected between adjacent connecting plates (11), rivets (13) are provided between corresponding connecting plates (11), and the balls (7) are provided between the corresponding arc-shaped limiting plates (12).

3. The bearing for automobile according to claim 2, characterized in that: The corresponding connecting plates (11) are each provided with a through hole (14), the sealing ring (3) is provided with a plurality of countersunk holes (15), and the fixing bolts (4) pass through the corresponding countersunk holes (15) and the through hole (14).

4. The bearing for automobile according to claim 1, characterized in that: Limiting grooves (9) are provided at the inner circles of the front and rear sides of the outer ring (1) and at the outer circles of the front and rear sides of the inner ring (2), and sealing grooves (10) are provided at the middle positions of the limiting grooves (9). Both sides of the sealing ring (3) are rotatably connected to the corresponding limiting grooves (9), and sealing rings (17) are fixedly connected to the inner and outer circles of the inner side of the sealing ring (3), and the sealing rings (17) are engaged with the corresponding sealing grooves (10).

5. The bearing for automobile according to claim 1, characterized in that: The injection assembly (5) comprises a sealing bolt (18) threadedly connected to the threaded hole (16), a limiting hole (20) is provided in the middle of the sealing bolt (18), and recessed grooves are provided on the front and rear sides of the limiting hole (20).

6. The bearing for automobile according to claim 5, characterized in that: A rubber plug (19) is clamped inside the limiting hole (20), and the rubber plug (19) is an I-shaped structure.

Images