Bearing structure of oil scraping roller

Abstract

The utility model discloses an oil scraping roller bearing structure, which relates to the field of bearing structures and comprises an oil scraping roller bearing base, an oil scraping roller shaft core is arranged on the oil scraping roller bearing base, and two ends of the oil scraping roller shaft core are respectively connected with the oil scraping roller bearing base through limiting blocks. An oil scraping roller jacket for protection is arranged on the outer wall of the oil scraping roller shaft core, and the oil scraping roller shaft core is rotatably sleeved with the oil scraping roller jacket; gaps between the two ends of the oil scraping roller outer sleeve and the oil scraping roller shaft core are rotationally connected through a rotary connecting structure. By means of the oil scraping roller bearing structure, a better sealing effect can be achieved, and the situation that foreign matter, impurities and the like enter the oil scraping roller bearing structure, and consequently jamming is caused is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing structure field, concretely is a kind of oil scraping roller bearing structure. BACKGROUND

[0002] Oil scraping roller bearing refers to the special type bearing used in some mechanical equipment, especially in the system related to lubrication and grease. This bearing is usually used to support the oil scraping roller, so as to effectively scrape the excess or contaminated grease inside the equipment, to maintain the cleanliness and operating efficiency of the system. The main functions of oil scraping roller bearing include:

[0003] 1. Support and stability: ensure the stability of the oil scraping roller, prevent it from deviating or vibrating during operation.

[0004] 2. Reduce friction: by using high-quality materials and design, reduce friction, so that the oil scraping roller can run smoothly.

[0005] 3. Corrosion resistance: generally choose materials with oil resistance and corrosion resistance to resist the corrosion of grease and other chemicals.

[0006] 4. High temperature resistance: can maintain performance unchanged in high temperature environment.

[0007] In some special environments, such as engine and transmission system, the oil scraping roller bearing used must be sealed and stable to avoid foreign matter, impurities, etc. from entering the oil scraping roller bearing, causing the oil scraping roller bearing to "jam", thereby affecting its normal use. To solve this problem, a new oil scraping roller bearing structure is designed and improved. SUMMARY

[0008] The purpose of the utility model is achieved by the following technical solutions:

[0009] An oil scraping roller bearing structure, comprising an oil scraping roller bearing base, an oil scraping roller shaft core is arranged on the oil scraping roller bearing base, and the two ends of the oil scraping roller shaft core are connected to the oil scraping roller bearing base through limiting blocks;

[0010] The outer wall of the oil scraping roller shaft core is provided with an oil scraping roller outer sleeve for protection, and the oil scraping roller outer sleeve is rotatably sleeved on the oil scraping roller shaft core.

[0011] The gap between the two ends of the oil scraping roller outer sleeve and the oil scraping roller shaft core is rotatably connected by a rotating connection structure.

[0012] Preferably, the rotating connection structure comprises a double-row angular contact ball bearing structure, and the inner ring of the double-row angular contact ball bearing structure is sleeved on and connected to the oil scraping roller shaft core.

[0013] The outer ring of the double-row angular contact ball bearing is connected to the inner wall end of the outer sleeve of the oil scraper roller.

[0014] Preferably, the gap between the inner and outer rings of the double-row angular contact ball bearing structure is sealed by a sealing sheet, and the sealing sheet can rotate together with the balls between the inner and outer rings of the double-row angular contact ball bearing structure.

[0015] Preferably, baffles are provided at both ends of the oil scraper shaft near the limiting block, and the baffles are disposed in the gap between the oil scraper shaft and the oil scraper outer sleeve;

[0016] The baffle is sleeved on the oil scraper shaft core and the inner wall of the baffle is in close contact with the outer wall of the oil scraper shaft core.

[0017] The outer wall of the baffle is provided with a sealing groove, and an O-ring is provided in the sealing groove. The outer wall of the baffle is in sealed contact with the inner wall of the end of the oil scraper outer sleeve through the O-ring.

[0018] The baffle plate is positioned so that one end face of the double-row angular contact ball bearing structure contacts the inner ring end face of the double-row angular contact ball bearing structure, thereby providing a further movable sealing and limiting function for the double-row angular contact ball bearing structure.

[0019] Preferably, a retaining ring is provided at the end of the baffle that is away from the double-row angular contact ball bearing structure;

[0020] The retaining ring is sleeved on the core of the oil scraper and is used to block and limit the movement of the baffle.

[0021] Preferably, hexagonal bolts are respectively provided on both ends of the limiting block, and the limiting block and the oil scraper bearing base are detachably connected by hexagonal bolts.

[0022] The beneficial effects of this utility model are as follows: The purpose of this utility model is to provide a scraper roller bearing structure, which incorporates a series of design improvements over the original structure. The scraper roller bearing structure includes a scraper roller bearing base, on which a scraper roller shaft is mounted. Both ends of the scraper roller shaft are connected to the scraper roller bearing base via limiting blocks. A protective scraper roller sleeve is provided on the outer wall of the scraper roller shaft, rotatably fitted onto the scraper roller shaft. The gap between the two ends of the scraper roller sleeve and the scraper roller shaft is rotatably connected via a rotating connection structure. By providing a protective scraper roller sleeve on the outer wall of the scraper roller shaft and rotatably connecting the two ends of the scraper roller sleeve and the gap between them via the rotating connection structure, rotation is achieved while simultaneously sealing, preventing foreign objects and impurities from entering the interior through the rotating connection structure and causing jamming. Attached Figure Description

[0023] Figure 1 This is a schematic diagram showing the overall connection effect of the oil scraper bearing structure of this utility model;

[0024] Figure 2 This is a schematic diagram of the oil scraper shaft core connection structure of an oil scraper bearing structure according to this utility model;

[0025] Figure 3 This utility model Figure 2 Schematic diagram of the AA section;

[0026] In the figure, 1-Oil scraper bearing base, 2-Oil scraper shaft core, 3-Snap ring, 4-Oil scraper outer sleeve, 5-Double row angular contact ball bearing structure, 11-Limiting block, 12-Baffle plate, 13-O-ring. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments.

[0028] Example 1

[0029] like Figures 1 to 3 As shown, an oil scraper bearing structure is described, which incorporates several design improvements over the original structure. The oil scraper bearing structure includes an oil scraper bearing base 1, on which an oil scraper shaft core 2 is mounted. Both ends of the oil scraper shaft core 2 are connected to the oil scraper bearing base 1 via limiting blocks 11. An oil scraper outer sleeve 4 is provided on the outer wall of the oil scraper shaft core 2 for protection, and the outer sleeve 4 is rotatably fitted onto the oil scraper shaft core 2. The gap between the two ends of the outer sleeve 4 and the oil scraper shaft core 2 is rotatably connected via a rotating connection structure. By providing the protective outer sleeve 4 on the outer wall of the oil scraper shaft core 2 and rotatably connecting the two ends of the outer sleeve 4 and the gap between it and the oil scraper shaft core 2 via the rotating connection structure, rotation is achieved while simultaneously providing a seal, preventing foreign objects and impurities from entering the interior through the rotating connection structure and causing a "jamming" effect.

[0030] Example 2

[0031] Based on example 1, the improved oil scraper roller bearing structure in structure includes an oil scraper roller bearing base 1, which is used to fix the oil scraper roller bearing structure in the designated position. The oil scraper roller bearing base 1 is provided with an oil scraper roller shaft core 2, and the two ends of the oil scraper roller shaft core 2 are connected to the oil scraper roller bearing base 1 through limiting blocks 11. The limiting blocks 11 are provided with hexagonal bolts on both sides, and the limiting blocks 11 are connected to the oil scraper roller bearing base 1 through the hexagonal bolts. The oil scraper roller shaft core 2 is detachably connected to the oil scraper roller bearing base 1 through the limiting blocks 11, which facilitates the installation, disassembly, and replacement of the oil scraper roller shaft core 2 and the structure on the outer wall of the oil scraper roller shaft core 2, saving time and cost.

[0032] Meanwhile, in the example, the outer wall of the oil scraper roller shaft core 2 is provided with an oil scraper roller outer sleeve 4 for protection, which is rotatably sleeved on the oil scraper roller shaft core 2. The gap between the two ends of the oil scraper roller outer sleeve 4 and the oil scraper roller shaft core 2 is rotatably connected through a rotating connection structure. The rotating connection structure not only rotatably connects the oil scraper roller outer sleeve 4 and the oil scraper roller shaft core 2 and realizes the function of "oil scraping" through the oil scraper roller outer sleeve 4, but also realizes the sealing effect of the oil scraper roller outer sleeve 4 and the oil scraper roller shaft core 2 through the rotating connection structure, avoiding the entry of impurities, foreign matters, etc. into the gap between the rotating connection structure or the oil scraper roller outer sleeve 4 and the oil scraper roller shaft core 2, causing "jamming" and affecting the working function of the oil scraper roller bearing structure.

[0033] Example 3

[0034] The rotating connection structure includes a double-row angular contact ball bearing structure 5, the inner ring of which is sleeved on and connected to the oil scraper roller shaft core 2. The outer ring of the double-row angular contact ball bearing structure 5 is connected to the inner wall end of the oil scraper roller outer sleeve 4. The gap between the inner ring and the outer ring of the double-row angular contact ball bearing structure 5 is sealed by a sealing sheet, which can rotate with the balls between the inner ring and the outer ring of the double-row angular contact ball bearing structure 5. The two ends of the oil scraper roller outer sleeve 4 are rotatably connected to the oil scraper roller shaft core 2 through the double-row angular contact ball bearing structure 5, so that the oil scraper roller outer sleeve 4 rotates stably at high speed around the oil scraper roller shaft core 2 and is sealed by the "sealing structure" installed on the side wall of the double-row angular contact ball bearing structure 5, avoiding the entry of impurities, foreign matters, etc. into the gap between the double-row angular contact ball bearing structure 5 or the oil scraper roller outer sleeve 4 and the oil scraper roller shaft core 2, causing "jamming" and affecting the normal use of the entire oil scraper roller bearing structure.

[0035] In the embodiment, the two ends of the oil scraping roller shaft core 2 close to the limiting blocks are respectively provided with baffle plates 12, which are arranged between the gaps between the oil scraping roller shaft core 2 and the oil scraping roller outer sleeve 4; the baffle plates 12 are sleeved on the oil scraping roller shaft core 2, and the inner walls of the baffle plates 12 are in close contact with the outer wall of the oil scraping roller shaft core 2; the outer wall of the baffle plate 12 is provided with a sealing groove, and an O-ring 13 is arranged in the sealing groove; the outer wall of the baffle plate is in sealing contact with the inner wall of the end of the oil scraping roller outer sleeve 4 through the O-ring 13; when the oil scraping roller outer sleeve 4 rotates around the oil scraping roller shaft core 2 through the two double-row angular contact ball bearing structures 5 arranged, the O-ring 13 arranged in the sealing groove can prevent impurities, foreign matters and the like from entering the double-row angular contact ball bearing structure 5 or the gap between the oil scraping roller shaft core 2 and the oil scraping roller outer sleeve 4, thereby preventing "jamming".

[0036] Embodiment 4

[0037] Further, in the embodiment, one end face of the baffle plate 12 close to the double-row angular contact ball bearing structure 5 is in contact with the inner ring end face of the double-row angular contact ball bearing structure 5, and the double-row angular contact ball bearing structure 5 is further movably sealed and limited by the baffle plate 12. Moreover, the other end of the baffle plate 12 away from the double-row angular contact ball bearing structure 5 is provided with a snap spring 3; the snap spring 3 is sleeved on the oil scraping roller shaft core 2 and is used for resisting and limiting the baffle plate 12.

[0038] Finally, the oil scraping roller bearing structure can achieve better sealing effect, and avoid the influence of "jamming" caused by the entry of foreign matters, impurities and the like into the oil scraping roller bearing structure.

Claims

1. An oil scraper roller bearing structure comprising an oil scraper roller bearing base, characterized in that, The oil scraping roller shaft core is arranged on the oil scraping roller bearing base, and two ends of the oil scraping roller shaft core are respectively connected and arranged with the oil scraping roller bearing base through limiting blocks. An outer wall of the oil scraping roller shaft core is provided with an oil scraping roller outer sleeve for protection, which is rotatably sleeved on the oil scraping roller shaft core. The gap between the two ends of the oil scraping roller outer sleeve and the oil scraping roller shaft core is rotatably connected through a rotating connection structure.

2. A wiper roller bearing structure according to claim 1, wherein The rotating connection structure includes a double-row angular contact ball bearing structure, and an inner ring of the double-row angular contact ball bearing structure is sleeved on and connected with the oil scraping roller shaft core. An outer ring of the double-row angular contact ball bearing structure is connected with an inner wall end of the oil scraping roller outer sleeve.

3. A wiper roller bearing structure according to claim 2, wherein The gap between the inner ring and the outer ring of the double-row angular contact ball bearing structure is sealed by a sealing sheet, and the sealing sheet can rotate with the balls between the inner ring and the outer ring of the double-row angular contact ball bearing structure.

4. A wiper roller bearing structure according to claim 3, wherein Two ends of the oil scraping roller shaft core close to the limiting blocks are respectively provided with baffle plates, which are arranged between the gaps between the oil scraping roller shaft core and the oil scraping roller outer sleeve. The baffle plates are sleeved on the oil scraping roller shaft core, and inner walls of the baffle plates are in close contact with outer walls of the oil scraping roller shaft core. Sealing grooves are formed in outer walls of the baffle plates, and O-rings are arranged in the sealing grooves. The baffle plates are in sealing contact with end inner walls of the oil scraping roller outer sleeve through the O-rings.

5. A wiper roller bearing structure according to claim 4, wherein An end face of the baffle plate close to the double-row angular contact ball bearing structure is in contact with an end face of the inner ring of the double-row angular contact ball bearing structure, and the baffle plate further limits the movement of the double-row angular contact ball bearing structure. One end of the baffle plate away from the double-row angular contact ball bearing structure is provided with a clamping spring.

6. A wiper roller bearing structure according to claim 1, wherein The clamping spring is sleeved on the oil scraping roller shaft core and is used for resisting and limiting the baffle plate. Hexagonal bolts are respectively arranged at two sides of the limiting blocks, and the limiting blocks are detachably connected with the oil scraping roller bearing base through the hexagonal bolts.

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