High-strength wear-resistant bearing for automobile generator

Abstract

The utility model discloses a high-strength wear-resistant bearing for an automobile generator, and particularly relates to the technical field of engine bearings, the high-strength wear-resistant bearing comprises a bearing assembly, a protection assembly is arranged on the front face of the bearing assembly, the protection assembly comprises an annular box, and an impurity collecting groove is formed in the front face of the annular box. According to the high-strength wear-resistant bearing for the automobile generator, the protection assembly can be used for protecting the front face of the bearing assembly, and the situation that fine foreign matter enters the bearing assembly to affect normal operation of the bearing is avoided; and meanwhile, the rotating shaft rotates to drive the L-shaped scraping plate and the arc-shaped scraping plate to rotate, dust and impurities in the impurity collecting groove can be cleaned and pushed through rotation of the L-shaped scraping plate and the arc-shaped scraping plate, and the dust and the impurities adhering to the inner wall can be scraped and pushed to an impurity discharging opening formed in the bottom of the impurity collecting groove through rotation of the L-shaped scraping plate and the arc-shaped scraping plate and then discharged through the impurity discharging opening.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of engine bearing, concretely to a high strength wear -resisting bearing for automobile generator. BACKGROUND

[0002] The automobile engine bearing mainly refers to the crankshaft main bearing (big tile), connecting rod bearing (small tile) and camshaft bearing (eccentric tile or eccentric shaft bushing). The bearing plays a role of center positioning, bearing pressure and gravity, making the axis parallel, axle distance positioning, reducing friction, so that the engine can reliably and durably operate under different rotating speeds, different loads and different engine temperatures. Except that some special devices (such as the automobile engine main bearing of the Tadetla) use ball bearings, alloy bearings (Babbitt alloy) are used in general automobiles. Alloy bearings used in different types and different types of engines are also different.

[0003] The existing patent application No. 202120810375.X discloses a kind of corrosion-resistant bearing for engine, including bearing ring and the sealing ring of solid connection in the front end of the outer surface of bearing ring, the outer surface rear end of the bearing ring is solidly connected with connecting ring, the outer surface of the connecting ring is equidistantly solidly connected with reinforcing rib, the outer surface of the reinforcing rib is solidly connected with intermediate ring, the outer surface of the intermediate ring is movably sleeved with outer ring, the outer surface of the intermediate ring is solidly connected with double ball assembly, the outer surface of the outer ring is equidistantly solidly connected with connecting assembly, equidistantly distributed connecting assembly makes the installation of device more convenient, and makes the whole device more stable, component is stainless steel material, more strong corrosion resistance, overall more safe, adopt double ball assembly to support, effectively improve the bearing carrying capacity, simultaneously, communication lubricating groove is arranged between two raceways, lubricating performance is good, friction coefficient is small in movement process, noise is small, more strong wear resistance.

[0004] But the bearing still has some deficiencies in actual use, the bearing is not provided with protection assembly, uses traditional plastic ring to seal bearing, because the gap is left between this kind of protection mode and rotor shaft, which causes that small foreign matters (fine particles generated by collector ring and carbon brush wear and dust from outside and the like) can enter bearing, thereby damaging lubrication inside bearing, reducing service life of bearing, simultaneously, small foreign matters are accumulated in front of bearing, and it is also inconvenient to clean. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of high strength wear -resisting bearing for automobile generator to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of high strength wear -resisting bearing for automobile generator, including bearing assembly, the front of the bearing assembly is provided with protection assembly.

[0007] The protective assembly includes a ring-shaped box, a miscellaneous collection groove is arranged on the front surface of the ring-shaped box, a ring-shaped sealing sleeve is fixedly installed in the middle of the ring-shaped box, a ring-shaped adapter groove is arranged on the rear surface of the outer side of the ring-shaped sealing sleeve, an installation plate is fixedly installed on one side of the front surface of the ring-shaped box, a rotating shaft is rotatably inserted into the middle of the front surface of the installation plate, a gear is fixedly sleeved on one end of the rotating shaft, an adapter ring is rotatably installed in the ring-shaped adapter groove, an L-shaped scraper is fixedly installed on the outer ring surface of the adapter ring, an arc-shaped scraper is fixedly installed on the bottom end of the L-shaped scraper, a connecting rod is fixedly installed on the front surface of the adapter ring, and an outer gear ring is fixedly installed on one end of the connecting rod.

[0008] Preferably, the bearing assembly includes an outer ring, a bearing ring is arranged in the inner part of the outer ring, a first ball groove is arranged on the inner ring surface of the outer ring, a second ball groove is arranged on the outer ring surface of the bearing ring, and bearing balls are rotatably installed between the outer ring and the bearing ring.

[0009] Preferably, the outer ring and the bearing ring are both made of high-carbon chromium bearing steel.

[0010] Preferably, a miscellaneous discharge port is arranged on the bottom of the outer side of the ring-shaped box, and one end of the miscellaneous discharge port is in communication with the inner part of the miscellaneous collection groove.

[0011] Preferably, the ring-shaped box is fixedly installed on the front surface of the outer ring, and the outer gear ring is in meshing connection with the gear.

[0012] Preferably, the arc-shaped scraper and the L-shaped scraper are both in close contact with the inner wall of the miscellaneous collection groove, and a polygonal connector is fixedly installed on the other end of the rotating shaft.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The high-strength wear-resistant bearing for the automobile generator can protect the front surface of the bearing assembly by the protective assembly, avoid the fine foreign matters from entering the bearing assembly to affect the normal operation of the bearing, the rotation of the rotating shaft can drive the L-shaped scraper and the arc-shaped scraper to rotate, the rotation of the L-shaped scraper and the arc-shaped scraper can clean and push the dust and impurities on the inner wall to the miscellaneous discharge port arranged at the bottom of the miscellaneous collection groove, and then the dust and impurities are discharged through the miscellaneous discharge port. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the utility model;

[0016] Figure 2 It is a bearing assembly structure schematic view of the utility model;

[0017] Figure 3 The schematic diagram of the annular box structure of the utility model;

[0018] Figure 4 The schematic diagram of the adapter ring structure of the utility model;

[0019] Figure 5 The schematic diagram of the protection assembly of the utility model;

[0020] Figure 6 The A part of the utility model Figure 5 The enlarged view of A part of the utility model.

[0021] In the figure: 1, bearing assembly; 101, outer ring; 102, bearing ring; 103, No. 1 ball groove; 104, No. 2 ball groove; 105, bearing ball; 2, protection assembly; 201, annular box; 202, impurity collecting groove; 203, annular sealing sleeve; 204, annular adapter groove; 205, impurity discharge port; 206, mounting plate; 207, rotating shaft; 208, gear; 209, polygonal joint; 210, adapter ring; 211, L-shaped scraper; 212, arc-shaped scraper; 213, connecting rod; 214, outer gear ring. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] As Figures 1-6 shown, the utility model provides a technical scheme: including bearing assembly 1, the front of bearing assembly 1 is provided with protection assembly 2;

[0024] The bearing assembly 1 includes outer ring 101, the inside of outer ring 101 is provided with bearing ring 102, the inner ring surface of outer ring 101 is opened with No. 1 ball groove 103, the outer ring surface of bearing ring 102 is opened with No. 2 ball groove 104, bearing ball 105 is installed between outer ring 101 and bearing ring 102 and rolls, bearing ball 105 can be kept stable by retainer.

[0025] The protection assembly 2 comprises a ring-shaped box 201, a miscellaneous groove 202 is arranged on the front surface of the ring-shaped box 201, a ring-shaped sealing sleeve 203 is fixedly installed in the middle of the ring-shaped box 201, a ring-shaped adapter groove 204 is formed in the rear surface of the outer side of the ring-shaped sealing sleeve 203, an installation plate 206 is fixedly installed on one side of the front surface of the ring-shaped box 201, a rotating shaft 207 is rotatably inserted into the middle of the front surface of the installation plate 206, a gear 208 is fixedly sleeved on one end of the rotating shaft 207, an adapter ring 210 is rotatably installed in the ring-shaped adapter groove 204, an L-shaped scraper 211 is fixedly installed on the outer ring surface of the adapter ring 210, an arc-shaped scraper 212 is fixedly installed on the bottom end of the L-shaped scraper 211, a connecting rod 213 is fixedly installed on the front surface of the adapter ring 210, and an outer gear ring 214 is fixedly installed on one end of the connecting rod 213. The protection assembly 2 can be used to protect the front surface of the support bearing assembly 1, so that fine foreign matters cannot enter the bearing assembly 1 and affect the normal operation of the bearing. The specific protection steps are as follows: firstly, the front surfaces of the outer ring 101 and the bearing ring 102 can be covered by the ring-shaped box 201 and the ring-shaped sealing sleeve 203, so that fine foreign matters cannot enter the first ball groove 103 and the second ball groove 104, and meanwhile, the blocked dust and impurities can fall into the miscellaneous groove 202.

[0026] When the bearing needs to be cleaned, the adapter ring 210 rotates to drive the L-shaped scraper 211 and the arc-shaped scraper 212 to rotate, so that the dust and impurities in the miscellaneous groove 202 can be cleaned and pushed. The L-shaped scraper 211 and the arc-shaped scraper 212 can scrape the dust and impurities adhered to the inner wall and push them to the dust discharging port 205 arranged at the bottom of the miscellaneous groove 202, and then the dust and impurities are discharged through the dust discharging port 205.

[0027] Meanwhile, the outer ring 101 and the bearing ring 102 are both made of high-carbon chromium bearing steel, the carbon content is 0.93%-1.10%, the chromium content is 1.30%-1.65%, the hardness after quenching can reach 61-65HRC, the tensile strength is 1000-1200MPa, and the high wear resistance and fatigue resistance are combined.

[0028] Through the optimization of the heat treatment process, the hardness and toughness can be balanced, the deformation can be reduced, and the precision bearing manufacturing can be suitable.

[0029] The dust discharging port 205 is formed in the bottom of the outer side of the ring-shaped box 201, one end of the dust discharging port 205 is connected with the inside of the miscellaneous groove 202, the L-shaped scraper 211 and the arc-shaped scraper 212 can scrape the dust and impurities adhered to the inner wall and push them to the dust discharging port 205 arranged at the bottom of the miscellaneous groove 202, and then the dust and impurities are discharged through the dust discharging port 205.

[0030] The annular box 201 is fixedly installed on the front surface of the outer ring 101, the outer gear ring 214 is in meshing connection with the gear 208, the arc-shaped scraper 212 and the L-shaped scraper 211 are in close contact with the inner wall of the dust collecting groove 202, the other end of the rotating shaft 207 is fixedly installed with the polygonal joint 209, the polygonal joint 209 can be manually rotated or the polygonal joint 209 is inserted into the front opening of the polygonal joint 209 by using an external connecting rod to rotate the polygonal joint 209, the rotation of the polygonal joint 209 can drive the rotating shaft 207 to rotate, the rotation of the rotating shaft 207 can drive the gear 208 to rotate, the rotation of the gear 208 can drive the outer gear ring 214 to rotate, and the rotation of the outer gear ring 214 drives the adapter ring 210 to rotate.

[0031] In conclusion, the high-strength wear-resistant bearing for the automobile generator can use the protection assembly 2 to protect the front surface of the bearing assembly 1, avoid the fine foreign matters from entering the bearing assembly 1 to affect the normal operation of the bearing, the rotation of the rotating shaft 207 can drive the L-shaped scraper 211 and the arc-shaped scraper 212 to rotate, the dust and impurities in the dust collecting groove 202 can be cleaned and pushed through the rotation of the L-shaped scraper 211 and the arc-shaped scraper 212, the dust and impurities adhered on the inner wall can be scraped off and pushed to the dust discharging opening 205 arranged at the bottom of the dust collecting groove 202, and then discharged through the dust discharging opening 205.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A high strength wear resistant bearing for an automotive generator comprising a bearing assembly (1), characterised in that The front surface of the bearing assembly (1) is provided with a protection assembly (2); The protection assembly (2) comprises an annular box (201), the front surface of the annular box (201) is provided with a collecting groove (202), the inner middle part of the annular box (201) is fixedly installed with an annular sealing sleeve (203), the outer side surface of the annular sealing sleeve (203) is provided with an annular adapter groove (204), the front surface of the annular box (201) is fixedly installed with a mounting plate (206), the front surface of the mounting plate (206) is rotatably inserted with a rotating shaft (207), one end of the rotating shaft (207) is fixedly sleeved with a gear (208), the annular adapter groove (204) is rotatably installed with an adapter ring (210), the outer ring surface of the adapter ring (210) is fixedly installed with an L-shaped scraper (211), the bottom end of the L-shaped scraper (211) is fixedly installed with an arc-shaped scraper (212), the front surface of the adapter ring (210) is fixedly installed with a connecting rod (213), one end of the connecting rod (213) is fixedly installed with an outer gear ring (214).

2. A high strength wear resistant bearing for an automotive generator as claimed in claim 1, wherein, The bearing assembly (1) comprises an outer ring (101), the inner part of the outer ring (101) is provided with a bearing ring (102), the inner ring surface of the outer ring (101) is provided with a first ball groove (103), the outer ring surface of the bearing ring (102) is provided with a second ball groove (104), the outer ring (101) and the bearing ring (102) are rotatably installed with bearing balls (105).

3. A high strength wear resistant bearing for an automotive generator as claimed in claim 2, wherein, The outer ring (101) and the bearing ring (102) are both composed of high-carbon chromium bearing steel.

4. A high strength wear resistant bearing for an automotive generator as claimed in claim 1, wherein, The outer side surface of the annular box (201) is provided with a collecting groove (202), one end of the collecting groove (202) is connected with the inner part of the annular box (201).

5. A high strength wear resistant bearing for an automotive generator as claimed in claim 2, wherein, The annular box (201) is fixedly installed on the front surface of the outer ring (101), and the outer gear ring (214) is meshed with the gear (208).

6. A high strength wear resistant bearing for an automotive generator as defined in claim 1, wherein, The arc-shaped scraper (212) and the L-shaped scraper (211) are both attached to the inner wall of the collecting groove (202), and the other end of the rotating shaft (207) is fixedly installed with a polygonal joint (209).

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