CN219911550U - Wear-resistant high-stability bidirectional positioning star sleeve - Google Patents
Wear-resistant high-stability bidirectional positioning star sleeve Download PDFInfo
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- CN219911550U CN219911550U CN202320503602.3U CN202320503602U CN219911550U CN 219911550 U CN219911550 U CN 219911550U CN 202320503602 U CN202320503602 U CN 202320503602U CN 219911550 U CN219911550 U CN 219911550U
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- star
- plate
- fixed
- wear
- lubricating
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- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 13
- 239000003921 oil Substances 0.000 claims abstract description 45
- 238000003825 pressing Methods 0.000 claims abstract description 29
- 230000001050 lubricating effect Effects 0.000 claims abstract description 18
- 239000010687 lubricating oil Substances 0.000 claims abstract description 16
- 238000003491 array Methods 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims 1
- 238000005461 lubrication Methods 0.000 description 22
- 230000017525 heat dissipation Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses a wear-resistant high-stability bidirectional positioning star cover, which particularly relates to the technical field of automobile steering system accessories. According to the wear-resistant high-stability bidirectional positioning star cover, through the mutual matching among the first star plate, the second star plate and the lubricating part, when the wear-resistant high-stability bidirectional positioning star cover is used, two pressing balls collide with balls, so that the connecting plate can move on the sliding column, the pressing plate below the connecting plate is connected to the pressing part to move, lubricating oil in the lubricating oil tank is extruded into the lubricating groove from the oil outlet pipe, the lubricating effect between the balls and the star cover is greatly improved, and the wear of the star cover can be reduced.
Description
Technical Field
The utility model relates to the technical field of automobile steering system accessories, in particular to a wear-resistant high-stability bidirectional positioning star sleeve.
Background
The star-shaped sleeve is a key part in the ball cage type constant velocity universal joint, is connected with the bell-shaped shell and the transmission shaft, and realizes the steering function of the high-speed rotating machine in any direction after the steel balls are fixed through the retainer. The traditional constant velocity universal joint is generally of a six-channel structure, heat energy of the star cover is not easy to consume in the high-speed movement process, high temperature inside the ball cage is easy to generate, high-temperature heating and even cracking phenomena are easy to occur to part of high-speed requirement vehicle types, and the lubrication and wear resistance of the star cover are poor, the structural strength is insufficient, and the service life is influenced.
The utility model is applicable to the technical field of automobile steering system accessories, and the utility model is applicable to the technical field of automobile steering system accessories; the lubrication mechanism of the utility model is arranged on the side surface, lubrication assistance can not be provided between the ball and the star cover, and the device is an integrated star cover, and if the device is damaged, the whole device can not be used, and the whole device must be replaced, so that resources are wasted somewhat.
Disclosure of Invention
The utility model mainly aims to provide a wear-resistant high-stability bidirectional positioning star sleeve, which can effectively solve the problem of poor lubrication effect between balls and the star sleeve.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a stand wear and tear high stable two-way positioning star cover, includes the inner circle axle, the tooth of a plurality of annular arrays of inner circle axle internal surface fixation, inner circle axle surface cover is equipped with the installed part, the installed part surface is equipped with a plurality of lubricated parts, both sides cover are equipped with star board one and star board two respectively around the installed part surface, the one end that star board one and star board two kept away from each other all is fixed with the heating panel, star board one and star board lateral wall all are equipped with six annular arrays and are used for the rolling ball groove of ball, star board one back end annular array has six screws, six screw all with star board two threaded connection.
Preferably, the lubrication groove is seted up to ball groove lateral wall rear side of star board two, the lubrication groove front side wall is equipped with the leak protection pad, six ring array's cooperation groove has been seted up to star board two internal surface, six the oil pipe mounting hole that communicates the ball groove has all been seted up to the surface that the inner circle axle was kept away from to the cooperation groove, the oil leak hole has been seted up to the indent lateral wall that the inner circle axle was kept away from to the leak protection pad, the oil leak hole cooperatees with the oil pipe mounting hole, six ball mounting holes have all been seted up to the equal ring array in ball groove lateral wall middle part of star board two, six the ball mounting hole communicates with six cooperation grooves respectively.
Preferably, the lubricating part comprises a lubricating oil tank, the lubricating oil tank is fixed in the mounting surface, both ends all are fixed with the pressure part around the lubricating oil tank, two the pressure part upper end all is equipped with the holding down plate, two holding down plate upper end middle part all is fixed with the connecting plate, two one side that the connecting plate upper end is close to each other is fixed with the fixed plate jointly, lubricating oil tank upper end middle part is fixed with out oil pipe, just go out oil pipe and run through the fixed plate.
Preferably, two one side of keeping away from the fixed plate on the connecting plate is all fixed with down the depression bar, two down the depression bar upper end all is fixed with down the ball, two one side of keeping away from the fixed plate on the connecting plate lower extreme all slides and has the slip post, two the equal cover of slip post surface is equipped with connecting spring, two connecting spring is all fixed connection in homonymy connecting plate lower extreme and mounting surface.
Preferably, the oil outlet pipe is matched with the oil pipe mounting hole and the oil seepage hole, and the two pressing balls are respectively matched with the ball mounting holes of the first star plate and the second star plate.
Preferably, the first star plate and the second star plate have the same structure.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, through the mutual matching among the first star-shaped plate, the second star-shaped plate and the lubricating part, when the lubricating device is used, the two pressing balls collide with the balls, so that the connecting plate can move on the sliding column, the pressing plate below the connecting plate is connected to the pressing part to move, the lubricating oil in the lubricating oil tank is extruded into the lubricating groove from the oil outlet pipe, the lubricating effect between the balls and the star-shaped sleeve is greatly improved, and the abrasion of the star-shaped sleeve is reduced.
2. The first star plate and the second star plate are connected by the screws, so that the whole star plate is changed into three parts of the first star plate, the second star plate and the connecting part of the mounting piece, the three parts can be assembled, and only damaged parts can be replaced when damaged, thereby saving resources, and the first star plate and the second star plate are both provided with the heat dissipation plates, so that heat dissipation can be provided for the whole star sleeve.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a mounting structure according to the present utility model;
FIG. 3 is a schematic view of a star-shaped plate II according to the present utility model;
FIG. 4 is a schematic view of the lubrication assembly of the present utility model;
fig. 5 is a side view of a lubrication member of the present utility model.
In the figure: 1. an inner ring shaft; 10. teeth; 2. a mounting member; 3. a star-shaped plate I; 30. a heat dissipation plate; 4. a star-shaped plate II; 40. a lubrication groove; 41. a leak-proof pad; 410. oil penetration holes; 42. a ball mounting hole; 43. a mating groove; 44. an oil pipe mounting hole; 5. a screw; 6. a lubrication member; 60. a lubrication oil tank; 61. a pressurizing member; 62. a lower pressing plate; 63. a connecting plate; 630. pressing down a rod; 631. pressing down the ball; 632. a sliding column; 633. a connecting spring; 64. a fixing plate; 65. an oil outlet pipe; 7. ball grooves.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-2, the wear-resistant high-stability bidirectional positioning star sleeve comprises an inner ring shaft 1, a plurality of annular array teeth 10 are fixed on the inner surface of the inner ring shaft 1, a mounting piece 2 is sleeved on the outer surface of the inner ring shaft 1, the mounting piece 2 is in a circular tube shape, a star plate I3 and a star plate II 4 are sleeved on the front side and the rear side of the outer surface of the mounting piece 2 respectively, the star plate I3 and the star plate II 4 are symmetrical, one ends, far away from each other, of the star plate I3 and the star plate II 4 are respectively fixed with a heat dissipation plate 30, the heat dissipation plates 30 are annular, six annular arrays of ball grooves 7 for rolling balls are arranged on the outer side walls of the star plate I3 and the star plate II 4, six screws 5 are arranged on the annular array of the back end of the star plate I3, and the screws 5 are in threaded connection with the star plate II 4.
The utility model adopts an assembly mode to form a star sleeve, a star plate I3 and a star plate II 4 are arranged, the structures of the star plate I3 and the star plate II 4 are the same, the star plate I3 and the star plate II 4 are connected together by six screws 5, the specific star plate II 4 is shown in figure 3, the rear side of the side wall of a ball groove 7 of the star plate II 4 is provided with a lubrication groove 40, the front side wall of the lubrication groove 40 is provided with a leakage preventing pad 41, the inner surface of the star plate II 4 is provided with six annular array matching grooves 43, the surfaces of the six matching grooves 43 far away from an inner ring shaft 1 are respectively provided with an oil pipe mounting hole 44 communicated with the ball groove 7, the inner concave side wall of the leakage preventing pad 41 far away from the inner ring shaft 1 is provided with an oil seepage hole 410, the oil seepage hole 410 is matched with the oil pipe mounting hole 44, the middle part of the side wall of the ball groove 7 of the star plate II 4 is provided with six annular array mounting holes 42, and the six spherical mounting holes 42 are respectively communicated with the six matching grooves 43.
In order to increase the wear resistance of the present utility model, the present utility model provides a lubrication part 6 for lubrication, which can extrude lubrication oil when rolling balls, for reducing friction between an inner race and the balls, and specifically, as shown in fig. 4, the lubrication part 6 includes a lubrication tank 60, the lubrication tank 60 is fixed to an outer surface of the mounting member 2, both front and rear ends of the lubrication tank 60 are fixed with pressurizing parts 61, both upper ends of the two pressurizing parts 61 are provided with a lower pressure plate 62, both upper ends of the two lower pressure plates 62 are fixed with a connecting plate 63, one side of the upper ends of the two connecting plates 63 close to each other is jointly fixed with a fixing plate 64, a middle of an upper end of the lubrication tank 60 is fixed with an oil outlet pipe 65, and the oil outlet pipe 65 penetrates the fixing plate 64.
As shown in fig. 5, which is a side view of the lubrication part 6, the extruded part can be seen, the pressing rods 630 are fixed on the sides of the upper ends of the two connecting plates 63 far away from the fixing plate 64, the pressing balls 631 are fixed on the upper ends of the two pressing rods 630, the sliding posts 632 are slidably arranged on the sides of the lower ends of the two connecting plates 63 far away from the fixing plate 64, the connecting springs 633 are sleeved on the outer surfaces of the two sliding posts 632, the two connecting springs 633 are fixedly connected to the lower ends of the connecting plates 63 on the same side and the outer surfaces of the mounting parts 2, when the balls collide with the pressing balls 631, the pressing rods 631 are extruded, the pressing rods 630 are lowered, then the connecting plates 63 slide on the sliding posts 632 a little distance, and then the pressing plates 62 on the lower ends of the connecting plates 63 are extruded on the pressing parts 61, so that lubricating oil in the lubricating oil tank 60 is extruded into the grooves formed by the two lubricating grooves 40 through the oil outlet pipes 65.
The oil outlet pipe 65 is matched with the oil pipe mounting hole 44 and the oil seepage hole 410, the oil outlet pipe 65 is placed into the inner cavity of the oil pipe mounting hole 44 of the star plate I3 and the star plate II 4, then the oil outlet pipe is connected with the oil seepage hole 410, the two pressing balls 631 are respectively matched with the ball mounting holes 42 of the star plate I3 and the star plate II 4, and the two pressing balls 631 are respectively inserted into the inner cavities of the two ball mounting holes 42.
It should be noted that, the teeth 10, the heat dissipating plate 30, the screw 5, the pressing ball 631 and the connecting spring 633 are conventional in the art, and the present utility model is not described in detail.
The working principle of the utility model is as follows: when the lubricating device is used, firstly, the mounting piece 2 and the connected lubricating part 6 are sleeved on the inner ring shaft 1, the lubricating part 6 is integrally arranged in the middle of the outer surface of the mounting piece 2, then the star-shaped plate I3 and the star-shaped plate II 4 are respectively sleeved on the front side and the rear side of the outer surface of the mounting piece 2, the pressing round ball 631 is inserted into the inner cavity of the round ball mounting hole 42, the oil outlet pipe 65 is placed into the inner cavity of the oil pipe mounting hole 44 of the star-shaped plate I3 and the star-shaped plate II 4, then the oil outlet pipe 65 is connected with the oil seepage hole 410, so that lubricating oil of the oil outlet pipe 65 enters the inner cavity of the lubricating groove 40 of the star-shaped plate I3 and the star-shaped plate II 4 to perform a lubricating function, the star-shaped plate I3 and the star-shaped plate II 4 are fixed by using the six screws 5, when a ball collides with the pressing round ball 631, the pressing round ball 631 descends, then the connecting plate 63 slides a little distance on the sliding post 632, then the pressing plate 62 at the lower end of the connecting plate 63 presses the pressing part 61, and the lubricating oil in the lubricating groove 40 is extruded by the lubricating pipe through the oil outlet pipe 65.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The wear-resistant high-stability bidirectional positioning star sleeve comprises an inner ring shaft (1), and is characterized in that: a plurality of annular array teeth (10) are fixed on the inner surface of the inner ring shaft (1), a mounting piece (2) is sleeved on the outer surface of the inner ring shaft (1), a plurality of lubricating parts (6) are arranged on the outer surface of the mounting piece (2), a star plate I (3) and a star plate II (4) are sleeved on the front side and the rear side of the outer surface of the mounting piece (2) respectively, the novel cooling structure is characterized in that radiating plates (30) are fixed at one ends, far away from each other, of the first star plate (3) and the second star plate (4), six annular arrays and ball grooves (7) used for rolling balls are formed in the outer side walls of the first star plate (3) and the second star plate (4), six screws (5) are arranged on the annular arrays at the rear end of the first star plate (3), and the six screws (5) are in threaded connection with the second star plate (4).
2. The wear-resistant high-stability bidirectional positioning star cover as set forth in claim 1, wherein: the oil leakage hole (410) is formed in the inner concave side wall of the inner ring shaft (1) away from the oil leakage hole (410), the oil leakage hole (410) is matched with the oil pipe mounting hole (44), six ball mounting holes (42) are formed in the middle of the side wall of the ball groove (7) of the star plate II (4) in an annular array mode, and six ball mounting holes (42) are formed in the six ball mounting holes (42) in an annular array mode.
3. The wear-resistant high-stability bidirectional positioning star cover as set forth in claim 1, wherein: the lubricating component (6) comprises a lubricating oil tank (60), the lubricating oil tank (60) is fixed on the outer surface of the mounting piece (2), the front end and the rear end of the lubricating oil tank (60) are respectively fixed with a pressurizing component (61), the two upper ends of the pressurizing components (61) are respectively provided with a lower pressing plate (62), the middle parts of the upper ends of the two lower pressing plates (62) are respectively fixed with a connecting plate (63), the two sides, close to each other, of the upper ends of the connecting plates (63) are jointly fixed with a fixing plate (64), the middle parts of the upper ends of the lubricating oil tank (60) are respectively fixed with an oil outlet pipe (65), and the oil outlet pipes (65) penetrate through the fixing plates (64).
4. A wear-resistant highly stable two-way positioning star cover according to claim 3, characterized in that: two one side that fixed plate (64) was kept away from to connecting plate (63) upper end all is fixed with down depression bar (630), two down depression bar (630) upper end all is fixed with down presses ball (631), two one side that fixed plate (64) was kept away from to connecting plate (63) lower extreme all slides and has sliding column (632), two sliding column (632) surface all overlaps and is equipped with connecting spring (633), two connecting spring (633) all fixed connection is in homonymy connecting plate (63) lower extreme and mounting (2) surface.
5. The wear-resistant high-stability bidirectional positioning star cover as set forth in claim 4, wherein: the oil outlet pipe (65) is matched with the oil pipe mounting hole (44) and the oil seepage hole (410), and the two pressing balls (631) are respectively matched with the ball mounting holes (42) of the star plate I (3) and the star plate II (4).
6. The wear-resistant high-stability bidirectional positioning star cover as set forth in claim 1, wherein: the first star plate (3) and the second star plate (4) have the same structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320503602.3U CN219911550U (en) | 2023-03-16 | 2023-03-16 | Wear-resistant high-stability bidirectional positioning star sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320503602.3U CN219911550U (en) | 2023-03-16 | 2023-03-16 | Wear-resistant high-stability bidirectional positioning star sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219911550U true CN219911550U (en) | 2023-10-27 |
Family
ID=88440312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320503602.3U Active CN219911550U (en) | 2023-03-16 | 2023-03-16 | Wear-resistant high-stability bidirectional positioning star sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219911550U (en) |
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2023
- 2023-03-16 CN CN202320503602.3U patent/CN219911550U/en active Active
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