Automobile steering knuckle bearing

Abstract

The utility model provides an automobile steering knuckle bearing, which belongs to the technical field of bearings, aims to solve the problem that the operation convenience is influenced when lubricating grease is added to the contact surface of an automobile steering knuckle and the bearing in the process of assembling the bearing and the automobile steering knuckle, and comprises a bearing inner ring, and a bearing outer ring is rotationally arranged on the outer side of the bearing inner ring; the plurality of rolling bodies are uniformly and rotatably arranged between the bearing inner ring and the bearing outer ring; the retainer is arranged on the outer side of the rolling body; the steering knuckle main body is arranged at the outer end of the bearing outer ring; the positioning auxiliary structure is arranged between the bearing outer ring and the steering knuckle main body; the mounting auxiliary structures are arranged on the outer sides of two ends of the positioning auxiliary frame; the automatic lubricating grease adding and smearing process between the bearing and the contact face of the steering knuckle is achieved, the operation steps when an operator assembles the bearing and the automobile steering knuckle are simplified, and the operation convenience when the lubricating grease is added to the contact face of the automobile steering knuckle and the bearing is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to bearing technical field, more specifically, especially, it is related to a kind of automobile steering knuckle bearing. BACKGROUND

[0002] In the process of assembling and pressing bearing and automobile steering knuckle, in order to improve the operation smoothness when assembling bearing and automobile steering knuckle, most of the operating personnel need to add lubricating grease between the contact surface of bearing outer ring and steering knuckle.

[0003] Such as the prior application No.CN202120212246.0, it relates to bearing technical field, especially, it is related to a kind of automobile steering knuckle bearing, including bearing shell, bearing inner ring, bearing upper cover, bearing lower cover and cylindrical roller, bearing shell and bearing upper cover are connected by snap spring, the first annular groove for fixing snap spring is arranged on the inner wall of bearing shell one end, the second annular groove for fixing snap spring is arranged on the outer wall of bearing upper cover, the roller axis is perpendicular to the bearing shell axis arrangement. When assembling, bearing upper cover and bearing lower cover are respectively connected and fixed with bearing shell by snap spring and annular limiting platform, the assembly of bearing is convenient, it is beneficial to the bearing to bear variable load, the roller is cylindrical, which is beneficial to the processing of bearing. Steering knuckle bearing with this structure is simple in structure, convenient to process and install, can bear vibration load, improves bearing service life.

[0004] Based on the above, in the process of assembling bearing and automobile steering knuckle, the operating personnel need to apply lubricating grease to the inner side of steering knuckle and the outer part of bearing outer ring respectively, and then assemble and position them, which affects the operation convenience when adding lubricating grease to the contact surface of automobile steering knuckle and bearing, and the operation progress and work efficiency when assembling bearing and automobile steering knuckle. UTILITY MODEL CONTENTS

[0005] In order to solve the above technical problems, the utility model provides a kind of automobile steering knuckle bearing, to solve in the process of assembling bearing and automobile steering knuckle, operating personnel need to apply lubricating grease to the inner side of steering knuckle and the outer part of bearing outer ring respectively, and then assemble and position them, which affects the operation convenience when adding lubricating grease to the contact surface of automobile steering knuckle and bearing, and the operation progress and work efficiency when assembling bearing and automobile steering knuckle.

[0006] The purpose and effect of the utility model automobile steering knuckle bearing are achieved by the following specific technical means:

[0007] The application discloses an automobile knuckle bearing which comprises a bearing inner ring, a bearing outer ring, rolling elements, a retainer, a knuckle body, a positioning auxiliary structure and an installation auxiliary structure, the bearing outer ring is rotationally arranged outside the bearing inner ring, an oil storage groove is formed in the inner end of the bearing outer ring, and the oil storage groove is a circular annular groove structure; the rolling elements are arranged between the bearing inner ring and the bearing outer ring; the retainer is arranged outside the rolling elements; the knuckle body is arranged at the outer end of the bearing outer ring; the positioning auxiliary structure is arranged between the bearing outer ring and the knuckle body, and the positioning auxiliary structure comprises a plurality of positioning auxiliary frames which are uniformly arranged and slidably arranged outside the bearing outer ring, and the outer end of the positioning auxiliary frame is an annular inclined block structure which is inclined from the upper end of the front end to the lower end of the rear end; the installation auxiliary structure is arranged outside the two ends of the positioning auxiliary frame, and the installation auxiliary structure comprises two groups of opening and closing control members which are symmetrically arranged at the two ends of the positioning auxiliary frame and are in a cylindrical structure.

[0008] Further, an auxiliary lubricating groove is formed in the inner end surface of the bearing outer ring, the auxiliary lubricating groove is located at the inner end of the oil storage groove, and the longitudinal section of the auxiliary lubricating groove is a tapered groove structure with a larger diameter at the upper end and a smaller diameter at the lower end.

[0009] Further, the positioning auxiliary structure further comprises a connecting frame, an auxiliary positioning groove and an elastic reset member, the connecting frame is fixedly connected to the inner end surface of the positioning auxiliary frame, the auxiliary positioning groove is arranged in the inner side of the contact surface between the knuckle body and the bearing outer ring, and the positions of the auxiliary positioning grooves are opposite to those of the positioning auxiliary frames; and the elastic reset member is arranged between the connecting frame and the bearing outer ring.

[0010] Further, the positioning auxiliary structure further comprises an operation auxiliary frame and a limiting auxiliary groove, the operation auxiliary frame is fixedly connected to the outer side of the front end surface of the connecting frame, and the limiting auxiliary groove is arranged in the outer side of the front end of the bearing outer ring.

[0011] Further, the installation auxiliary structure further comprises an oil storage cavity and an oil guide groove, the oil storage cavity is arranged in the rear side of the inner end of the bearing outer ring, and the oil storage cavity is located between two adjacent positioning auxiliary frames; and the oil guide groove is arranged in the inner end of the bearing outer ring.

[0012] Further, a connecting member is fixedly connected between the positioning auxiliary frame and the opening and closing control member, and the connecting member is in an annular frame structure.

[0013] The contact surfaces of the bearing outer ring and the knuckle body are uniformly arranged with a plurality of oil guide through holes, the oil guide through holes are communicated with the oil storage cavity, and the positions and diameters of the oil guide through holes are opposite to the positions and diameters of the opening and closing control member.

[0014] Compared with the prior art, the utility model has the advantages of the following:

[0015] The utility model discloses simple and practical operation realizes the positioning assistance between bearing and automobile knuckle, guarantees the connection stability between bearing and knuckle, realizes the automatic lubrication to the inside of bearing simultaneously, improves the lubrication effect of bearing, and the service life and operating stability of bearing in the actual application process are improved.

[0016] In the process of assembling bearing and automobile knuckle, the automatic adding and smearing process of the grease between the contact surfaces of bearing and knuckle is realized, the operation steps of the operator when assembling bearing and automobile knuckle are simplified, the operation convenience when adding the grease to the contact surfaces of automobile knuckle and bearing is improved, and the operation progress and work efficiency when assembling bearing and automobile knuckle are further improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structure schematic diagram when the utility model is assembled with knuckle body.

[0018] Figure 2 It is the sectional structure schematic diagram after the utility model is installed with knuckle body.

[0019] Figure 3 It is the structure schematic diagram of the utility model's Figure 2 Partial enlarged structure schematic diagram in A place.

[0020] Figure 4 It is the connecting structure schematic diagram of the utility model's positioning auxiliary frame and bearing outer ring.

[0021] Figure 5 It is the structure schematic diagram of the utility model's bearing outer ring.

[0022] Figure 6 It is the installation structure schematic diagram of the utility model's positioning auxiliary frame and opening and closing control member.

[0023] Figure 7 It is the installation sectional structure schematic diagram of the utility model's opening and closing control member and bearing outer ring.

[0024] Figure 8 It is the structure schematic diagram of the utility model's Figure 7 Partial enlarged structure schematic diagram in B place.

[0025] In the figure, the correspondence between the component names and the figure numbers is:

[0026] 1, bearing inner ring; 2, bearing outer ring; 201, oil guide hole; 202, oil storage groove; 203, lubrication auxiliary groove; 3, rolling body; 4, retainer; 5, knuckle body; 6, connecting frame; 601, positioning auxiliary frame; 602, positioning auxiliary groove; 603, elastic reset piece; 604, operation auxiliary frame; 605, limiting auxiliary groove; 7, oil storage cavity; 701, oil guide groove; 702, opening and closing control piece; 703, connecting piece. DETAILED DESCRIPTION

[0027] The embodiments of the utility model will be further described in detail below in combination with the drawings and examples.

[0028] Example one: as shown in the accompanying Figure 1 to the accompanying Figure 5 :

[0029] The utility model provides a kind of automobile knuckle bearing, including bearing inner ring 1, bearing outer ring 2, rolling body 3, retainer 4, knuckle body 5, positioning auxiliary structure and installation auxiliary structure, bearing outer ring 2 rotation is arranged at the outside of bearing inner ring 1, and the inner end of bearing outer ring 2 is equipped with oil storage groove 202, and oil storage groove 202 is circular annular groove structure;Rolling body 3 has multiple, and multiple rolling body 3 is evenly arranged rotation and is arranged between bearing inner ring 1 and bearing outer ring 2;Retainer 4 is arranged at the outside of rolling body 3;Knuckle body 5 is arranged at the outer end of bearing outer ring 2;Positioning auxiliary structure is arranged between bearing outer ring 2 and knuckle body 5, and positioning auxiliary structure includes: positioning auxiliary frame 601, positioning auxiliary frame 601 has multiple, and multiple positioning auxiliary frame 601 is evenly arranged and is slidably arranged at the outside of bearing outer ring 2, and the outer end of positioning auxiliary frame 601 is annular inclined block structure by the front end upper side to the rear end lower side;Installation auxiliary structure is arranged at the outside of both ends of positioning auxiliary frame 601, and installation auxiliary structure includes: opening and closing control piece 702, opening and closing control piece 702 has two groups, and two groups of opening and closing control piece 702 are symmetrically arranged at the two ends of positioning auxiliary frame 601, and opening and closing control piece 702 is cylindrical structure.

[0030] Among them, the inner side end surface of bearing outer ring 2 is equipped with lubrication auxiliary groove 203, and lubrication auxiliary groove 203 is located at the inner end of oil storage groove 202, and the longitudinal section of lubrication auxiliary groove 203 is tapered groove structure with the diameter of upper end greater than the diameter of lower end.

[0031] The positioning auxiliary structure further comprises a connecting frame 6, a positioning auxiliary groove 602 and an elastic reset member 603. The connecting frame 6 is fixedly connected to the inner side end face of the positioning auxiliary frame 601. The positioning auxiliary groove 602 is provided in multiple numbers and is evenly arranged on the inner side of the contact surface between the knuckle main body 5 and the bearing outer ring 2. The position of the positioning auxiliary groove 602 is opposite to the position of the positioning auxiliary frame 601. The elastic reset member 603 is provided in multiple numbers and is evenly arranged and fixedly connected between the connecting frame 6 and the bearing outer ring 2.

[0032] The positioning auxiliary structure further comprises an operation auxiliary frame 604 and a limiting auxiliary groove 605. The operation auxiliary frame 604 is provided in multiple numbers and is fixedly connected to the outer side of the front end face of the multiple connecting frames 6. The limiting auxiliary groove 605 is provided in multiple numbers and is evenly arranged on the outer side of the front end of the bearing outer ring 2. The position of the limiting auxiliary groove 605 is opposite to the position of the operation auxiliary frame 604.

[0033] The specific use mode and effect of the embodiment are as follows:

[0034] During the assembly of the bearing and the knuckle main body 5, the multiple positioning auxiliary frames 601 are simultaneously slid inward, and the elastic reset member 603 is extruded during the process of pushing the bearing outer ring 2. After the bearing outer ring 2 is pushed to the inner end of the knuckle main body 5, the bearing outer ring 2 is rotated. When the positions of the positioning auxiliary frame 601 and the positioning auxiliary groove 602 are opposite, the elastic reset member 603 automatically pushes the positioning auxiliary frame 601 to the inner end of the positioning auxiliary groove 602, thereby realizing the positioning auxiliary process between the bearing outer ring 2 and the knuckle main body 5. During the replacement and disassembly of the bearing, the operation auxiliary frame 604 is pressed inward, so that the positioning auxiliary frame 601 is slid to the inner end of the bearing outer ring 2, thereby realizing the separation and disassembly process between the positioning auxiliary frame 601 and the positioning auxiliary groove 602. During the operation of the bearing, the lubricating grease in the oil storage groove 202 is automatically introduced into the bearing interior through the lubricating auxiliary groove 203.

[0035] Embodiment two: based on embodiment one, as shown in Figures 5 to 8

[0036] The mounting auxiliary structure further comprises an oil storage cavity 7 and an oil guide groove 701. The oil storage cavity 7 is provided in multiple numbers and is evenly arranged on the rear side of the inner end of the bearing outer ring 2. The oil storage cavity 7 is located between two adjacent positioning auxiliary frames 601. The oil guide groove 701 is provided in multiple numbers and is evenly arranged on the inner end of the bearing outer ring 2. The position of the oil guide groove 701 is opposite to the position of the oil storage cavity 7.

[0037] The connecting member 703 is fixedly connected between the positioning auxiliary frame 601 and the opening and closing control member 702 and is in the form of a ring-shaped frame structure.​

[0038] The contact surface of the bearing outer ring 2 and the steering knuckle body 5 is evenly arranged with a plurality of oil guide holes 201, the oil guide holes 201 are communicated with the oil storage cavity 7, and the position and diameter of the oil guide holes 201 are opposite to the position and diameter of the opening and closing control member 702.

[0039] The specific use mode and effect of the embodiment are as follows:

[0040] In the process of assembling the bearing and the steering knuckle body 5, the lubricating grease in the oil storage groove 202 is automatically introduced into the oil storage cavity 7 by the oil guide groove 701, and in the process of sliding the positioning auxiliary frame 601 to the inner side, the opening and closing control member 702 is driven by the positioning auxiliary frame 601 to slide to the inner side synchronously, after the opening and closing control member 702 slides to the inner side, the automatic opening of the oil guide hole 201 is realized, the lubricating grease is automatically introduced into the contact surface between the bearing outer ring 2 and the steering knuckle body 5 through the oil guide hole 201, and in the process of rotating the bearing outer ring 2, the automatic lubricating process is realized.

Claims

1. A bearing for a steering knuckle of a vehicle, comprising a bearing inner race, a bearing outer race, a plurality of rolling elements, a cage, a knuckle body, a positioning aid structure, and a mounting aid structure, the bearing outer race being rotationally disposed on an outer side of the bearing inner race, characterized in that: The inner end of the bearing outer ring is provided with an oil storage groove, which is a circular annular groove structure; a plurality of rolling bodies are uniformly arranged and rotatably arranged between the bearing inner ring and the bearing outer ring; the retainer is arranged outside the rolling body; the knuckle body is arranged at the outer end of the bearing outer ring; the positioning auxiliary structure is arranged between the bearing outer ring and the knuckle body, and the positioning auxiliary structure comprises: a plurality of positioning auxiliary frames, a plurality of the positioning auxiliary frames are uniformly arranged and slidably arranged outside the bearing outer ring, and the outer end of the positioning auxiliary frame is an annular inclined block structure inclined from the front upper side to the rear lower side; the mounting auxiliary structure is arranged outside the two ends of the positioning auxiliary frame, and the mounting auxiliary structure comprises: two groups of opening and closing control members, two groups of the opening and closing control members in cylindrical structure are symmetrically arranged at the two ends of the positioning auxiliary frame.

2. The automotive knuckle bearing of claim 1, wherein: The inner side surface of the bearing outer ring is provided with a lubricating auxiliary groove, which is located at the inner end of the oil storage groove, and the longitudinal section of the lubricating auxiliary groove is a tapered groove structure with a larger diameter at the upper end than at the lower end.

3. The automotive knuckle bearing of claim 1, wherein: The positioning auxiliary structure further comprises: a connecting frame, a plurality of positioning auxiliary grooves and a plurality of elastic return members, the connecting frame is fixedly connected to the inner side surface of the positioning auxiliary frame; a plurality of the positioning auxiliary grooves are uniformly arranged and opened at the inner side of the contact surface between the knuckle body and the bearing outer ring, and the positions of the positioning auxiliary grooves are opposite to those of the positioning auxiliary frames; a plurality of the elastic return members are uniformly arranged and fixedly connected between the connecting frame and the bearing outer ring.

4. The automotive knuckle bearing of claim 1, wherein: The positioning auxiliary structure further comprises: a plurality of operation auxiliary frames and a plurality of limiting auxiliary grooves, a plurality of the operation auxiliary frames are respectively fixedly connected to the outer side of the front end surface of the connecting frame; a plurality of the limiting auxiliary grooves are uniformly arranged and opened at the outer side of the front end of the bearing outer ring, and the positions of the limiting auxiliary grooves are opposite to those of the operation auxiliary frames.

5. The automotive knuckle bearing of claim 1, wherein: The mounting auxiliary structure further comprises: a plurality of oil storage cavities and a plurality of oil guide grooves, a plurality of the oil storage cavities are uniformly arranged and opened at the rear side of the inner end of the bearing outer ring, and the oil storage cavities are located between two adjacent positioning auxiliary frames; a plurality of the oil guide grooves are uniformly arranged and opened at the inner end of the bearing outer ring, and the positions of the oil guide grooves are opposite to those of the oil storage cavities.

6. The automotive knuckle bearing of claim 1, wherein: The connecting member in ring frame structure is fixedly connected between the positioning auxiliary frame and the opening and closing control member; The contact surface between the bearing outer ring and the knuckle body is uniformly arranged and provided with a plurality of oil guide through holes, the oil guide through holes are communicated with the oil storage cavities, and the positions and diameters of the oil guide through holes are opposite to those of the opening and closing control members.

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