Dustproof knuckle bearing
By designing a dustproof steering knuckle bearing and using a sealing cover plate and a limiting block, the uncertainty of bearing installation is solved, achieving effective sealing and stable installation of the bearing, and improving processing efficiency.
Patent Information
- Application Number
- CN202520299856.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-25
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-02-25
AI Technical Summary
When existing bearings are pressed into the steering knuckle using a hydraulic cylinder structure, it is difficult to determine in a timely manner whether they have been installed in a fixed position, which affects processing efficiency.
The steering knuckle bearing adopts a dustproof design, including a bearing lubrication mechanism and an installation mechanism. It is sealed to prevent dust by a sealing cover plate, and the bearing is securely installed by the cooperation of a limiting insert and a vibration tapping plate.
Effective sealing of the bearings is achieved to prevent dust from entering, ensuring smooth bearing operation, and vibration signals are used to confirm proper installation, thereby improving processing efficiency.
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Figure CN223725195U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of automobile bearing, more specifically, it relates to a dustproof type knuckle bearing. BACKGROUND
[0002] The knuckle is used for transmitting and bearing the load of the front part of the automobile, and is connected with the transmission shaft of the automobile, and the bearing is used when the transmission shaft is connected with the knuckle, so as to reduce the friction coefficient of the transmission shaft and ensure the transmission of the power of the automobile.
[0003] According to CN201821857491.1, the utility model discloses a kind of automobile knuckle bearings, including bearing shell, bearing upper cover, bearing lower cover and ball, shell upper end is open, lower end has the positioning disc of central hole, ball is fixed between the adhesion surface of bearing upper cover and bearing lower cover, and positioning platform is arranged in the adhesion surface between bearing upper cover and bearing lower cover and is fixed with ball, bearing upper cover and bearing lower cover central are equipped with the through hole being communicated with central hole, and installed inside bearing shell, first sealing portion is equipped between the outer side of bearing upper cover and the inner wall of bearing shell upper end, the outer edge of the positioning disc is equipped with second sealing portion, the utility model can effectively prevent the water, silt etc. of outside from entering inside bearing by first sealing portion and second sealing portion, sealing performance is good, service life is long, can adapt to relatively harsh working condition.
[0004] Based on the above, the existing bearing is generally pressed into the knuckle inside by the hydraulic cylinder structure, when the hydraulic cylinder drives the bearing to be pressed into the knuckle, the hydraulic cylinder telescopic part is pressed on the bearing, and the bearing is pressed into the knuckle inside, it is difficult to find whether the bearing is pressed into the fixed position inside the knuckle in time, when the bearing is not pressed into the fixed position inside the knuckle, it needs to use the hydraulic cylinder to operate in and out again, which affects the processing efficiency. UTILITY MODEL CONTENTS
[0005] In order to solve the above technical problems, the utility model provides a dustproof type knuckle bearing to solve the problem that the existing bearing is generally pressed into the knuckle inside by the hydraulic cylinder structure, when the hydraulic cylinder drives the bearing to be pressed into the knuckle, the hydraulic cylinder telescopic part is pressed on the bearing, and the bearing is pressed into the knuckle inside, it is difficult to find whether the bearing is pressed into the fixed position inside the knuckle in time, when the bearing is not pressed into the fixed position inside the knuckle, it needs to use the hydraulic cylinder to operate in and out again, which affects the processing efficiency.
[0006] The purpose and effect of the dustproof type knuckle bearing of the utility model are achieved by the following specific technical means:
[0007] The dustproof type knuckle bearing comprises a knuckle base, a bearing outer ring, bearing rollers, a bearing retainer, a bearing inner ring, a bearing lubricating mechanism and a bearing mounting mechanism; the bearing outer ring is shrink-fitted on the inner end face of the knuckle base; the bearing rollers are arranged in groups, and the groups of bearing rollers are respectively slid on the inner end face of the bearing outer ring; the bearing retainer is located on the outer end face of the groups of bearing rollers; the bearing inner ring is located on the inner end face of the groups of bearing rollers, and the bearing retainer is located between the bearing outer ring and the bearing inner ring; the bearing lubricating mechanism is arranged on the outer end face of the bearing outer ring and the bearing inner ring; and the bearing mounting mechanism is arranged in two groups, and the two groups of bearing mounting mechanisms are respectively arranged on the left and right sides of the knuckle base and the bearing outer ring.
[0008] Further, the bearing lubricating mechanism comprises a sealing cover plate and a lubricating oil injection port; the sealing cover plate is arranged in two groups, and the two groups of sealing cover plates are respectively rotationally connected to the front and rear end faces of the bearing outer ring and the bearing inner ring; and the lubricating oil injection port is arranged in multiple groups, and the multiple groups of lubricating oil injection ports are respectively formed on the front group of sealing cover plates.
[0009] Further, the bearing mounting mechanism comprises a limiting plug and a limiting spring; the limiting plug is slidably connected to the inner end face of the outer end face of the bearing outer ring; and the limiting spring is fixedly connected to the inner end face of the bearing outer ring, and the inner end face of the limiting plug is elastically connected to the limiting spring.
[0010] Further, the bearing mounting mechanism further comprises a limiting connecting rod and a limiting pry groove; the limiting connecting rod is fixedly connected to the front end face of the limiting plug, and the limiting connecting rod is slidably connected to the front end face of the bearing outer ring; and the limiting pry groove is formed on the front end face of the limiting connecting rod.
[0011] Further, the bearing mounting mechanism further comprises a limiting arc and a limiting sliding groove; the limiting arc is formed on the rear side of the outer end face of the limiting plug, and the limiting arc is an arc-shaped mechanism; the limiting sliding groove is formed on the front end face of the knuckle base, and the limiting plug is slidably arranged in the limiting sliding groove.
[0012] Further, the bearing mounting mechanism further comprises a positioning plug groove, a vibration knocking plate and a vibration hole; the positioning plug groove is formed in the inner part of the knuckle base, the positioning plug groove is located on the rear side of the limiting sliding groove, and the limiting plug is in plug-in connection with the positioning plug groove; the vibration knocking plate is fixedly connected to the inner part of the knuckle base, and the vibration knocking plate is located at the positioning plug groove; and the vibration hole is formed in the inner part of the knuckle base, and the vibration hole is located on the outer end face of the vibration knocking plate.
[0013] Compared with the prior art, the dustproof type knuckle bearing has the following beneficial effects:
[0014] The utility model discloses a bearing lubricating mechanism is adopted, realizes the bearing through sealing cover plate and is sealed, avoids the problem that dust enters the bearing interior and causes bearing to be abraded, and the lubricating oil injection of sealing cover plate is convenient for staff to add to the bearing interior, guarantees the smooth operation of bearing, and it is convenient to maintain bearing.
[0015] The utility model discloses a bearing mounting mechanism is adopted, realizes staff bearing installation to knuckle base inside, limit the block sliding to the positioning slot inside through the limit sliding groove, when guaranteeing bearing firm installation in the knuckle inside when limit the block inserts the positioning slot inside, limit the block knock on the vibration knock board at the same time when limit the block inserts the positioning slot inside, the vibration sound of vibration knock board and vibration hole, when staff hear the vibration sound, bearing is installed in place in the knuckle inside. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the structure schematic diagram of knuckle bearing installation of the utility model.
[0017] Figure 2 It is the structure schematic diagram of knuckle bearing split of the utility model.
[0018] Figure 3 It is the structure schematic diagram of bearing of the utility model.
[0019] Figure 4 It is the structure schematic diagram of bearing split of the utility model.
[0020] Figure 5 It is the structure schematic diagram of bearing mounting mechanism of the utility model.
[0021] Figure 6 It is the structure schematic diagram of limit the block of the utility model.
[0022] Figure 7 It is the structure schematic diagram of knuckle base section of the utility model.
[0023] In the drawing, the corresponding relationship of component name and drawing number is as follows:
[0024] 1, knuckle base;2, bearing outer ring;3, bearing roller;4, bearing retainer;5, bearing inner ring;6, sealing cover plate;601, lubricating oil injection;7, limit the block;701, limit spring;702, limit connecting rod;703, limit slot;704, limit arc;8, limit sliding groove;9, positioning slot;10, vibration knock board;11, vibration hole. DETAILED DESCRIPTION
[0025] The embodiment of the utility model is described in further detail below in combination with the drawings and examples.
[0026] Embodiment one: as shown in the accompanying Figure 1 to the accompanying Figure 4 as shown:
[0027] The utility model provides a dustproof type knuckle bearing, including knuckle base 1, bearing outer ring 2, bearing roller 3, bearing retainer 4, bearing inner race 5 and bearing lubricating mechanism, bearing outer ring 2 is connected in the inner end surface of knuckle base 1 with interference, bearing roller 3 is provided with multiple groups, and multiple groups of bearing roller 3 are respectively slid in the inner end surface of bearing outer ring 2, bearing retainer 4 is located the outer end surface of multiple groups of bearing roller 3, bearing inner race 5 is located the inner end surface of multiple groups of bearing roller 3, and bearing retainer 4 is located between bearing outer ring 2 and bearing inner race 5, and bearing lubricating mechanism is set up in the outer end surface of bearing outer ring 2 and bearing inner race 5.
[0028] Among them, bearing lubricating mechanism includes: sealing cover plate 6 and lubricating oil injection port 601, sealing cover plate 6 is provided with two groups, and two groups of sealing cover plate 6 are respectively rotationally connected in the front and rear end surface of bearing outer ring 2 and bearing inner race 5, lubricating oil injection port 601 is provided with multiple groups, and multiple groups of lubricating oil injection port 601 are respectively set up on the front group of sealing cover plate 6, in the use process, sealing cover plate 6 seals between bearing outer ring 2 and bearing inner race 5, realizes dustproof, and adds lubricating oil between bearing outer ring 2 and bearing inner race 5 through lubricating oil injection port 601.
[0029] The specific use mode and effect of the embodiment one:
[0030] In the use process, sealing cover plate 6 seals between bearing outer ring 2 and bearing inner race 5, realizes dustproof, and adds lubricating oil between bearing outer ring 2 and bearing inner race 5 through lubricating oil injection port 601, realizes the dustproof and lubrication of bearing.
[0031] Embodiment two: on the basis of embodiment one, as shown in the accompanying Figure 5 to the accompanying Figure 7 as shown:
[0032] The utility model provides a dustproof type knuckle bearing still includes bearing installation mechanism, bearing installation mechanism is provided with two groups, and two groups of bearing installation mechanism are respectively set up in the left and right sides of knuckle base 1 and bearing outer ring 2, and bearing installation mechanism includes: limit plug 7 and limit spring 701, limit plug 7 is slidably connected in the inner end surface of bearing outer ring 2 outside, limit spring 701 is fixedly connected in the inside of bearing outer ring 2, and the inner end surface of limit plug 7 is elastically connected with limit spring 701, in the use process, limit plug 7 is slid and drives limit spring 701 to stretch out and retract.
[0033] Wherein, the bearing mounting mechanism further comprises: a limiting link 702 and a limiting slot 703; the limiting link 702 is fixedly connected to the front end face of the limiting block 7, and the limiting link 702 is slidingly connected to the front end face of the bearing outer ring 2; the limiting slot 703 is formed in the front end face of the limiting link 702, and in use, a tool is inserted into the limiting slot 703, the limiting slot 703 is slid to drive the limiting link 702 to slide, and the limiting link 702 is slid to drive the limiting block 7 to slide.
[0034] Wherein, the bearing mounting mechanism further comprises: a limiting arc 704 and a limiting sliding groove 8; the limiting arc 704 is formed in the rear side of the outer end face of the limiting block 7, and the limiting arc 704 is an arc mechanism; the limiting sliding groove 8 is formed in the front end face of the knuckle base 1, and the limiting block 7 is slid in the limiting sliding groove 8, and in use, when the bearing outer ring 2 is placed in the inner end face of the knuckle base 1, the limiting block 7 is inserted into the limiting sliding groove 8, and the limiting arc 704 facilitates the insertion of the limiting block 7 into the limiting sliding groove 8.
[0035] Wherein, the bearing mounting mechanism further comprises: a positioning slot 9, a vibration knocking plate 10 and a vibration hole 11; the positioning slot 9 is formed in the inside of the knuckle base 1, and the positioning slot 9 is located at the rear side of the limiting sliding groove 8; the limiting block 7 is insertedly connected with the positioning slot 9; the vibration knocking plate 10 is fixedly connected to the inside of the knuckle base 1, and the vibration knocking plate 10 is located at the positioning slot 9; the vibration hole 11 is formed in the inside of the knuckle base 1, and the vibration hole 11 is located at the outer end face of the vibration knocking plate 10, and in use, when the limiting block 7 is slid in the limiting sliding groove 8 to the position of the positioning slot 9, the limiting block 7 is inserted into the positioning slot 9, the limiting block 7 knocks on the vibration knocking plate 10, the vibration knocking plate 10 vibrates to drive the vibration hole 11 to vibrate, and the vibration hole 11 vibrates to emit sound.
[0036] The specific use and effect of the second embodiment are as follows:
[0037] In use, the limiting block 7 is slid to drive the limiting spring 701 to stretch and retract, a tool is inserted into the limiting slot 703, the limiting slot 703 is slid to drive the limiting link 702 to slide, the limiting link 702 is slid to drive the limiting block 7 to slide, when the bearing outer ring 2 is placed in the inner end face of the knuckle base 1, the limiting block 7 is inserted into the limiting sliding groove 8, the limiting arc 704 facilitates the insertion of the limiting block 7 into the limiting sliding groove 8, when the limiting block 7 is slid in the limiting sliding groove 8 to the position of the positioning slot 9, the limiting block 7 is inserted into the positioning slot 9, the limiting block 7 knocks on the vibration knocking plate 10, the vibration knocking plate 10 vibrates to drive the vibration hole 11 to vibrate, the vibration hole 11 vibrates to emit sound, and the surface bearing is installed in place in the knuckle.
Claims
1. A dustproof type knuckle bearing, comprising a knuckle base (1), a bearing outer ring (2), a bearing roller (3), a bearing retainer (4), a bearing inner ring (5), a bearing lubricating mechanism and a bearing mounting mechanism; the bearing outer ring (2) is interference connected at the inner end face of the knuckle base (1); characterized in that: The bearing rollers (3) are arranged in groups, and the groups of bearing rollers (3) are slid on the inner end faces of the bearing outer rings (2); the bearing retainers (4) are located on the outer end faces of the groups of bearing rollers (3); the bearing inner rings (5) are located on the inner end faces of the groups of bearing rollers (3), and the bearing retainers (4) are located between the bearing outer rings (2) and the bearing inner rings (5); the bearing lubricating mechanisms are arranged on the outer end faces of the bearing outer rings (2) and the bearing inner rings (5); and the bearing mounting mechanisms are arranged in two groups, and the two groups of bearing mounting mechanisms are arranged on the left and right sides of the knuckle bases (1) and the bearing outer rings (2).
2. The dust-proof type knuckle bearing according to claim 1, wherein: The bearing lubricating mechanisms comprise sealing cover plates (6) and lubricating oil injection ports (601); the sealing cover plates (6) are arranged in two groups, and the two groups of sealing cover plates (6) are rotatably connected to the front and rear end faces of the bearing outer rings (2) and the bearing inner rings (5); and the lubricating oil injection ports (601) are arranged in groups, and the groups of lubricating oil injection ports (601) are formed on the front group of sealing cover plates (6).
3. The dust-proof type knuckle bearing according to claim 1, wherein: The bearing mounting mechanisms comprise limiting plug blocks (7) and limiting springs (701); the limiting plug blocks (7) are slidably connected to the inner end faces of the outer rings (2); and the limiting springs (701) are fixedly connected to the inner rings (2), and the inner end faces of the limiting plug blocks (7) are elastically connected to the limiting springs (701).
4. The dust-proof type knuckle bearing as set forth in claim 3, characterized by: The bearing mounting mechanisms further comprise limiting connecting rods (702) and limiting pry grooves (703); the limiting connecting rods (702) are fixedly connected to the front end faces of the limiting plug blocks (7), and the limiting connecting rods (702) are slidably connected to the front end faces of the bearing outer rings (2); and the limiting pry grooves (703) are formed on the front end faces of the limiting connecting rods (702).
5. The dust-proof type knuckle bearing as set forth in claim 3, characterized by: The bearing mounting mechanisms further comprise limiting arcs (704) and limiting sliding grooves (8); the limiting arcs (704) are formed on the rear sides of the outer end faces of the limiting plug blocks (7), and the limiting arcs (704) are arc-shaped mechanisms; the limiting sliding grooves (8) are formed on the front end faces of the knuckle bases (1), and the limiting plug blocks (7) are slid in the limiting sliding grooves (8).
6. The dust-proof type knuckle bearing as set forth in claim 5, characterized by: The bearing mounting mechanisms further comprise positioning plug grooves (9), vibration knocking plates (10) and vibration holes (11); the positioning plug grooves (9) are formed in the knuckle bases (1), and the positioning plug grooves (9) are located on the rear sides of the limiting sliding grooves (8), and the limiting plug blocks (7) are insertedly connected to the positioning plug grooves (9); the vibration knocking plates (10) are fixedly connected to the knuckle bases (1), and the vibration knocking plates (10) are located at the positioning plug grooves (9); and the vibration holes (11) are formed in the knuckle bases (1), and the vibration holes (11) are located on the outer end faces of the vibration knocking plates (10).
Citation Information
Patent Citations
Automobile steering knuckle bearing
CN209100501U