阅读说明：本技术 一种轮毂轴承塑料保持架 (Plastic retainer for hub bearing ) 是由 刘晨 于 2020-04-30 设计创作，主要内容包括：本发明公开了一种轮毂轴承塑料保持架,包括圆环底座,所述圆环底座的一端固定连接有保持架本体,所述保持架本体远离圆环底座位置的一端开设有滚珠槽,所述滚珠槽的内壁固定连接有滚珠窗口。本发明通过设置漏油孔和注油槽,使得可以在注油槽的内部存放较多的油脂,增加了滚珠窗口内部存放油脂的空间,从而使得滚珠表面的油膜厚度可以增加,有效的防止了滚珠与滚珠窗口之间的摩擦,从而较好地保护了滚珠窗口和滚珠,且通过设置散热孔和散热通槽,使得散热孔配合散热通槽在起到散热的同时,也将相邻滚珠窗口之间的油脂通过散热孔和散热通槽传递,从而使得相邻滚珠窗口和滚珠之间的油脂可以流动,从而更好地保护了滚珠窗口和滚珠。(The invention discloses a hub bearing plastic retainer which comprises a circular ring base, wherein one end of the circular ring base is fixedly connected with a retainer body, one end of the retainer body, which is far away from the circular ring base, is provided with a ball groove, and the inner wall of the ball groove is fixedly connected with a ball window. According to the invention, through arranging the oil leakage hole and the oil injection groove, more grease can be stored in the oil injection groove, and the space for storing the grease in the ball window is increased, so that the thickness of an oil film on the surface of a ball can be increased, and the friction between the ball and the ball window is effectively prevented, so that the ball window and the ball are well protected.)

1. The utility model provides a wheel hub bearing plastics holder, includes ring base (1), its characterized in that: one end of the circular ring base (1) is fixedly connected with a retainer body (2), one end of the retainer body (2) far away from the circular ring base (1) is provided with a ball groove (3), the inner wall of the ball groove (3) is fixedly connected with a ball window (4), the inner wall of the ball window (4) is rotatably connected with a ball (5), the inner wall of the retainer body (2) corresponding to the ball window (4) is fixedly connected with a retaining block (6), heat dissipation holes (7) are respectively arranged inside the ball window (4) and the retainer body (2), the surface of the retainer body (2) near one end of the circular ring base (1) is provided with a heat dissipation through groove (8), the inside of each heat dissipation hole (7) is communicated with the inside of the heat dissipation through groove (8), and one end of the circular ring base (1) far away from the retainer body (2) is provided with an oil injection groove (10), and an oil leakage hole (9) is formed in one end of the ball window (4) and one end of the retainer body (2) corresponding to the oil injection groove (10), and the inside of the oil leakage hole (9) is communicated with the inside of the oil injection groove (10).

2. A plastic hub bearing cage according to claim 1, wherein: the number of the ball grooves (3) is eighteen, and the eighteen ball grooves (3) are annularly arranged at one end of the retainer body (2) far away from the position of the circular ring base (1).

3. A plastic hub bearing cage according to claim 1, wherein: the retainer body (2) is far away from one end of the position of the circular ring base (1) and is of a flaring structure, and the radian of the retaining block (6) is equal to that of the ball window (4).

4. A plastic hub bearing cage according to claim 1, wherein: the ring base (1) comprises a first reinforcing rib ring (11) and a second reinforcing rib ring (12), wherein the first reinforcing rib ring (11) is fixedly arranged on the outer surface of the second reinforcing rib ring (12).

5. A plastic hub bearing cage according to claim 4, wherein: fixed ring (13) of fixedly connected with between first strengthening rib ring (11) and second strengthening rib ring (12), oil filler point (10) are seted up in the inside of fixed ring (13), and oil filler point (10) run through and extend to the upper and lower both ends of fixed ring (13).

6. A plastic hub bearing cage according to claim 5, wherein: and a connecting reinforcing rib (14) is fixedly connected between the first reinforcing rib ring (11) and the second reinforcing rib ring (12), and the connecting reinforcing rib (14) penetrates through the fixing ring (13) and is embedded in the fixing ring.

Technical Field

The invention relates to the technical field of hub bearing retainers, in particular to a plastic hub bearing retainer.

Background

The bearing is an important part in the modern mechanical equipment. The part is used for determining the relative movement position of the rotating shaft and other parts and has the supporting or guiding function. The main function of the bearing retainer is to support a mechanical rotating body so as to reduce the mechanical load friction coefficient of equipment in the transmission process, wherein the bearing retainer is also called a bearing retainer and refers to a bearing part which partially wraps all or part of balls and moves along with the balls, and the main contact part of the steel balls is the hole wall of a ball pocket in the operation process. The bearing retainer has various types and functions, and can meet the performance requirements of transmission mechanisms of various mechanical equipment. The lubrication of bearings is an important factor affecting their service performance, and various improvements have been made to the structure of bearing cages in order to improve the lubrication performance of bearings.

However, in the prior art, more grease cannot be stored in the bearing during actual use, and the retainer is easy to scratch the steel ball in the bearing operation process.

Disclosure of Invention

The present invention is directed to a plastic hub bearing retainer that solves the problems set forth above in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: comprises a circular ring base, one end of the circular ring base is fixedly connected with a retainer body, one end of the retainer body, which is far away from the circular ring base, is provided with a ball groove, the inner wall of the ball groove is fixedly connected with a ball window, the inner wall of the ball window is rotationally connected with a ball, the inner wall of the retainer body corresponding to the ball window is fixedly connected with a retaining block, heat dissipation holes are respectively arranged in the ball window and the retainer body, the surface of one end of the retainer body close to the circular ring base is provided with a heat dissipation through groove, the interior of the heat dissipation hole is communicated with the interior of the heat dissipation through groove, an oil filling groove is formed in one end, far away from the position of the retainer body, of the circular ring base, an oil leakage hole is formed in one ends, corresponding to the oil filling groove, of the ball window and the retainer body, and the inner portion of the oil leakage hole is communicated with the inner portion of the oil filling groove.

Preferably, the number of the ball grooves is eighteen, and the eighteen ball grooves are annularly arranged at one end of the retainer body far away from the circular ring base.

Preferably, the retainer body is far away from the one end of ring base position and is the flaring structure, the radian of keeping the piece equals with the radian of ball window.

Preferably, the ring base includes first strengthening rib ring and second strengthening rib ring, first strengthening rib ring is fixed to be set up at the surface of second strengthening rib ring.

Preferably, the fixed ring of fixedly connected with between first strengthening rib ring and the second strengthening rib ring, the oiling groove is seted up in fixed ring's inside, and the oiling groove runs through and extends to fixed ring's upper and lower both ends.

Preferably, a connection reinforcing rib is fixedly connected between the first reinforcing rib ring and the second reinforcing rib ring, and the connection reinforcing rib penetrates through and is embedded in the fixing ring.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the oil leakage hole and the oil injection groove are arranged, so that more grease can be stored in the oil injection groove, and the space for storing the grease in the ball window is increased, thus the thickness of an oil film on the surface of the ball can be increased, and the friction between the ball and the ball window is effectively prevented, so that the ball window and the ball are well protected;

2. the first reinforcing rib ring, the second reinforcing rib ring and the connecting reinforcing ribs are arranged, so that the structure of the circular ring base is stable, more balls can be borne, and the bearing capacity of the bearing is improved.

Drawings

FIG. 1 is a front view of the integral structure of a plastic retainer for a hub bearing according to the present invention;

FIG. 2 is a rear view of the overall structure of a hub bearing plastic cage according to the present invention;

FIG. 3 is an enlarged view of the structure at A in the overall structure of the plastic hub bearing retainer of the present invention shown in FIG. 2;

FIG. 4 is a sectional view of the whole structure of a plastic retainer for a hub bearing according to the present invention;

fig. 5 is an enlarged structural view of the plastic hub bearing retainer of the present invention at B in fig. 4.

In the figure: 1. a circular ring base; 2. a cage body; 3. a ball groove; 4. a ball window; 5. a ball bearing; 6. a holding block; 7. heat dissipation holes; 8. a heat dissipation through groove; 9. an oil leak hole; 10. an oil injection groove; 11. a first stiffener ring; 12. a second stiffener ring; 13. a fixing ring; 14. and connecting the reinforcing ribs.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: including ring base 1, ring base 1's one end fixed mounting has holder body 2, holder body 2 keeps away from the one end of ring base 1 position and has seted up ball groove 3, ball groove 3's inner wall fixed mounting has ball window 4, ball window 4's inner wall rotates and is connected with ball 5, the inner wall fixed mounting of the corresponding ball window 4 position of holder body 2 has holding block 6, louvre 7 has all been seted up to ball window 4 and holder body 2's inside, holder body 2 has been close to the surface of the corresponding oiling groove 10 position one end of ring base 1 and has been seted up heat dissipation through groove 8, the inside and the inside of heat dissipation through groove 8 of louvre 7 are linked together, oiling groove 10 has been seted up to the one end that ring base 1 kept away from holder body 2 position, oil leak hole 9 has been seted up to the one end of the corresponding oiling groove 10 position of ball window 4 and holder body 2, the inside and the inside of oiling groove 10 of oil leak hole 9 are linked together.

The number of the ball grooves 3 is eighteen, and the eighteen ball grooves 3 are annularly arranged at one end of the retainer body 2 far away from the position of the annular base 1.

The end of the retainer body 2 far away from the position of the circular ring base 1 is of a flaring structure, and the radian of the retaining block 6 is equal to that of the ball window 4.

The ring base 1 comprises a first reinforcing rib ring 11 and a second reinforcing rib ring 12, wherein the first reinforcing rib ring 11 is fixedly arranged on the outer surface of the second reinforcing rib ring 12.

Fixed ring 13 is fixedly installed between first strengthening rib ring 11 and second strengthening rib ring 12, and oil filler point 10 is seted up in fixed ring 13's inside, and oil filler point 10 runs through and extends to the upper and lower both ends of fixed ring 13.

Fixed mounting has connection strengthening rib 14 between first strengthening rib ring 11 and the second strengthening rib ring 12, and connects strengthening rib 14 and run through the embedding in the inside of solid fixed ring 13, through setting up first strengthening rib ring 11, second strengthening rib ring 12 and connection strengthening rib 14 for the structure of ring base 1 is comparatively stable, thereby can bear more ball 5, has increased the bearing capacity of bearing.

The working principle is as follows: when the oil leakage protection device is used, the oil leakage holes 9 and the oil injection groove 10 are arranged, so that more grease can be stored in the oil injection groove 10, the space for storing the grease in the ball window 4 is increased, the thickness of an oil film on the surface of the ball 5 can be increased, friction between the ball 5 and the ball window 4 is effectively prevented, the ball window 4 and the ball 5 are well protected, and the radiating holes 7 and the radiating through grooves 8 are arranged, so that the radiating holes 7 are matched with the radiating through grooves 8 to radiate heat, and meanwhile, the grease between the adjacent ball windows 4 is transmitted through the radiating holes 7 and the radiating through grooves 8, so that the grease between the adjacent ball windows 4 and the ball 5 can flow, and the ball windows 4 and the ball 5 are better protected.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.