Integral inner and outer retainer structure for automobile hub bearing

Abstract

The utility model discloses an integral type inner and outer retainer structure for an automobile hub bearing, which comprises a bearing outer ring, a bearing inner ring is arranged between the inner walls of the bearing outer ring, a retainer mechanism is arranged between the bearing outer ring and the bearing inner ring, and the retainer mechanism comprises a retainer assembly, a bearing inner ring and a bearing outer ring, comprising a retainer body arranged between a bearing outer ring and a bearing inner ring, a group of ball holes are formed in the retainer body, and rollers are connected in the group of ball holes in a rolling manner. According to the integral inner and outer retainer structure for the automobile hub bearing, the problems that in the prior art, lubricating agents are generally added into the bearing to improve the lubricating effect of a roller, but due to the design of a traditional retainer, the storage space of the lubricating agents in the bearing is small, and the lubricating effect of the contact surface of the roller and the retainer is not obvious enough are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing cages, in particular to an integral inner and outer cage structure for automotive wheel hub bearings. Background Art

[0002] A bearing cage is an important component of a bearing. Its functions mainly include isolating rolling elements, guiding the rolling elements to roll on the correct raceway, maintaining the position of the rolling elements within the bearing, and preventing the rolling elements from falling off in separable bearings. The main types of bearing cages include nylon cages, window-type stamped steel cages, and window-type brass cages. The main function of the bearing cage is to space the rolling elements at equal distances and distribute them evenly on the circumference of the raceway to prevent the rolling elements from colliding and rubbing against each other during operation.

[0003] The existing integral inner and outer cage structure for automotive wheel hub bearings still has the following problems. Referring to the nylon cage structure of the bearing disclosed in the patent with the publication number CN205978089U, it includes a cage body made of nylon. The cage body includes a number of fixing parts evenly distributed along the circumferential surface. The outer surface of the top of the fixing part is provided with an axial groove, and both ends of the groove are located inside the fixing part. Both sides of the fixing part are respectively recessed inward to form arc parts, and a needle roller is clamped between the two arc parts. This utility model realizes reducing equipment energy consumption and extending the service life of the bearing.

[0004] However, the above technology cannot solve the problem in the prior art that lubricant is generally added to the bearing to improve the lubrication effect of the rollers, but the design of the traditional cage makes the lubricant storage space in the bearing less, resulting in an insufficiently obvious lubrication effect on the surface where the rollers contact the cage. Therefore, the present utility model provides an integral inner and outer cage structure for automotive wheel hub bearings. Summary of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the present utility model provides an integral inner and outer cage structure for automotive wheel hub bearings, which solves the problem in the prior art that lubricant is generally added to the bearing to improve the lubrication effect of the rollers, but the design of the traditional cage makes the lubricant storage space in the bearing less, resulting in an insufficiently obvious lubrication effect on the surface where the rollers contact the cage.

[0006] To achieve the above purposes, the present utility model is realized through the following technical solutions: An integral inner and outer cage structure for automotive wheel hub bearings, including an outer bearing ring, an inner bearing ring is arranged between the inner walls of the outer bearing ring, and a cage mechanism is arranged between the outer bearing ring and the inner bearing ring. The cage mechanism includes:

[0007] Cage assembly, including a cage body disposed between an outer bearing ring and an inner bearing ring, a group of ball holes are formed in the cage body, a roller is rotatably connected in each of the group of ball holes, a group of storage through grooves are formed on the outer circumferential wall of the cage body, a group of connecting grooves are formed on the outer circumferential wall of the cage body, and the group of connecting grooves are respectively communicated with the group of storage through grooves;

[0008] Delivery assembly, disposed on the support frame for delivering lubricant;

[0009] Limit assembly, disposed on the support frame for stabilizing the support frame.

[0010] Preferably, the delivery assembly includes a first delivery groove, a group of the first delivery grooves are formed on the outer circumferential wall of the cage body, and the group of first delivery grooves are respectively communicated with the group of connecting grooves.

[0011] Preferably, a group of second delivery grooves are formed on the inner circumferential wall of the cage body, and the group of delivery grooves are communicated with the group of ball holes and are respectively communicated with the group of storage through grooves.

[0012] Preferably, the limit assembly includes a limit ring, the limit ring is fixedly connected to the inner circumferential wall of the cage body, and the limit ring is made of rubber, and an annular limit groove is formed on the outer circumferential wall of the inner bearing ring.

[0013] Preferably, a collar is sleeved on the outer circumferential wall of the bearing, a ring is fixedly connected to the inner side wall of the collar, and the ring is made of rubber.

[0014] Preferably, mounting holes are uniformly formed on the outer bearing ring, and bolts are arranged in the mounting holes.

[0015] Advantageous effects

[0016] The utility model provides an integral inner and outer cage structure for an automotive wheel bearing. Compared with the prior art, the following advantageous effects are achieved:

[0017] (1). For the integral inner and outer cage structure for the automotive wheel bearing, through the arrangement of a group of storage through grooves and being respectively communicated through the connecting grooves, the lubricant storage space can be increased, and the lubricant is delivered into the storage through grooves through the delivery assembly, so as to increase the lubrication effect. The grooving design can increase the storage space of the lubricant, make the lubricant more easily reach the surface where the roller contacts the cage, and improve the lubrication effect.

[0018] (2). For the integral inner and outer cage structure for the automotive wheel bearing, through the arrangement of the limit ring, it can cooperate with the annular limit groove to play a stabilizing role on the cage body, avoid the instability of the cage body, affect the normal use of the bearing, and cause damage to the bearing body. Description of the drawings

[0019] Figure 1 is the perspective view of the present utility model;

[0020] Figure 2 is the first exploded view of the present utility model;

[0021] Figure 3 is the second exploded view of the present utility model;

[0022] Figure 4 is the schematic diagram of the cage body of the present utility model.

[0023] In the figure: 1, outer bearing ring; 2, inner bearing ring; 3, cage body; 4, ball hole; 5, roller; 6, storage through groove; 7, connection groove; 8, first conveying groove; 9, second conveying groove; 10, limiting ring; 11, annular limiting groove; 12, collar; 13, circular ring; 14, mounting hole; 15, bolt. Specific Embodiment

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0025] Please refer to Figures 1-4 , the present utility model provides a technical solution: an integral inner and outer cage structure for an automotive wheel bearing, including an outer bearing ring 1, an inner bearing ring 2 is arranged between the inner walls of the outer bearing ring 1, a cage mechanism is arranged between the outer bearing ring 1 and the inner bearing ring 2, and the cage mechanism includes: a cage assembly, including a cage body 3 arranged between the outer bearing ring 1 and the inner bearing ring 2, a group of ball holes 4 are opened on the cage body 3, a roller 5 is rotatably connected in each of the group of ball holes 4, a group of storage through grooves 6 are opened on the outer circumferential wall of the cage body 3, a group of connection grooves 7 are opened on the outer circumferential wall of the cage body 3, and the group of connection grooves 7 are respectively communicated with the group of storage through grooves 6; a conveying assembly arranged on the support frame for conveying lubricant; a limiting assembly arranged on the support frame for stabilizing the support frame; by providing a group of storage through grooves 6 and communicating them through the connection grooves 7 respectively, the lubricant storage space can be increased, and the lubricant is conveyed into the storage through grooves 6 by the conveying assembly, the lubrication effect is increased, and the grooving design can increase the storage space of the lubricant, making it easier for the lubricant to reach the surface where the roller 5 contacts the cage body 3, improving the lubrication effect.

[0026] In this embodiment, the conveying component includes a first conveying groove 8. A set of first conveying grooves 8 are provided on the outer circumferential wall of the cage body 3, and a set of first conveying grooves 8 are respectively communicated with a set of connecting grooves 7. By providing the first conveying grooves 8, when adding lubricant, they can be communicated with the storage through groove 6, which is convenient for the staff to add lubricant.

[0027] In this embodiment, a set of second conveying grooves 9 are provided on the inner circumferential wall of the cage body 3. A set of conveying grooves are communicated with a set of ball holes 4 and are respectively communicated with a set of storage through grooves 6. By providing the second conveying grooves 9 on the inner circumferential wall of the cage body 3, when adding lubricant, it can be added from the inner side of the cage body 3 at the same time. And it is communicated with the ball holes 4. Subsequently, through the communication with the storage through grooves 6, the lubricant can be distributed more quickly and evenly, improving the lubrication effect.

[0028] In this embodiment, the limiting component includes a limiting ring 10. The limiting ring 10 is fixedly connected to the inner circumferential wall of the cage body 3, and the limiting ring 10 is made of rubber. An annular limiting groove 11 is provided on the outer circumferential wall of the bearing inner ring 2. By providing the limiting ring 10, it can cooperate with the annular limiting groove 11 to play a stabilizing role on the cage body 3, avoiding the instability of the cage body 3, affecting the normal use of the bearing, and causing damage to the bearing body.

[0029] In this embodiment, a collar 12 is sleeved on the outer circumferential wall of the bearing. A circular ring 13 is fixedly connected to the inner side wall of the collar 12, and the circular ring is made of rubber. By providing the collar 12, it can play a role in closing the bearing outer ring 1, the bearing inner ring 2 and the cage body 3, thereby avoiding the loss of lubricant, affecting the lubrication effect of the rolling of the rollers 5, and thus avoiding the increase of friction.

[0030] In this embodiment, mounting holes 14 are uniformly provided on the bearing outer ring 1, and bolts 15 are arranged in the mounting holes 14. By providing the mounting holes 14 and the bolts 15, the bearing outer ring 1 can be fixed.

[0031] At the same time, the content not described in detail in this specification belongs to the prior art well known to those skilled in the art.

[0032] During operation, a set of storage through-grooves 6 are provided and are respectively connected through connection grooves 7, so as to increase the lubricant storage space, and the lubricant is conveyed into the storage through-grooves 6 through a conveying component, enhancing the lubrication effect. The grooving design can increase the storage space for the lubricant, making it easier for the lubricant to reach the surface where the roller 5 contacts the cage body 3, improving the lubrication effect. The first conveying groove 8 provided can communicate with the storage through-grooves 6 when adding lubricant, facilitating the staff to add lubricant. The second conveying groove 9 is provided on the inner circular wall of the cage body 3. When adding lubricant, it can simultaneously add lubricant to the inner side of the cage body 3 and communicate with the ball holes 4. Subsequently, through the connection with the storage through-grooves 6, the lubricant can be distributed more quickly and evenly, improving the lubrication effect. The limiting ring 10 provided can cooperate with the annular limiting groove 11 to play a stabilizing role for the cage body 3, preventing the cage body 3 from being unstable and affecting the normal use of the bearing, and causing damage to the bearing body. The collar 12 provided can play a role in closing the bearing outer ring 1, the bearing inner ring 2 and the cage body 3, thereby preventing the loss of lubricant, affecting the lubrication effect of the rolling of the roller 5, and thus avoiding an increase in friction. The bearing outer ring 1 can be fixed through the provided mounting holes 14 and bolts 15.

[0033] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0034] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An integrated inner and outer cage structure for automotive wheel hub bearings, characterized in that: It includes a bearing outer ring (1), a bearing inner ring (2) is arranged between the inner walls of the bearing outer ring (1), and a cage mechanism is arranged between the bearing outer ring (1) and the bearing inner ring (2). The cage mechanism includes: A cage assembly, including a cage body (3) arranged between the bearing outer ring (1) and the bearing inner ring (2). A group of ball holes (4) are opened on the cage body (3), and rollers (5) are rotatably connected in each of the group of ball holes (4). A group of storage through grooves (6) are opened on the outer circumferential wall of the cage body (3), and a group of connection grooves (7) are opened on the outer circumferential wall of the cage body (3), and the group of connection grooves (7) are respectively communicated with the group of storage through grooves (6); A conveying assembly, arranged on the support frame for conveying lubricant; A limiting assembly, arranged on the support frame for stabilizing the support frame.

2. The integral inner and outer cage structure for an automotive wheel hub bearing according to claim 1, characterized in that: The conveying assembly includes a first conveying groove (8). The group of first conveying grooves (8) are opened on the outer circumferential wall of the cage body (3), and the group of first conveying grooves (8) are respectively communicated with the group of connection grooves (7).

3. The integral inner and outer cage structure for an automotive wheel hub bearing according to claim 1, characterized in that: A group of second conveying grooves (9) are opened on the inner circumferential wall of the cage body (3), and the group of conveying grooves are communicated with the group of ball holes (4) and are respectively communicated with the group of storage through grooves (6).

4. The integral inner and outer cage structure for automotive wheel hub bearings according to claim 1, characterized in that: The limiting assembly includes a limiting ring (10). The limiting ring (10) is fixedly connected to the inner circumferential wall of the cage body (3), and the limiting ring (10) is made of rubber. An annular limiting groove (11) is opened on the outer circumferential wall of the bearing inner ring (2).

5. The integral inner and outer cage structure for automotive wheel bearings according to claim 1, characterized in that: A collar (12) is sleeved on the outer circumferential wall of the bearing, and a ring (13) is fixedly connected to the inner side wall of the collar (12), and the ring is made of rubber.

6. The integral inner and outer cage structure for an automotive wheel hub bearing according to claim 1, characterized in that: Mounting holes (14) are uniformly opened on the bearing outer ring (1), and bolts (15) are arranged in the mounting holes (14).

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