CN212509212U

CN212509212U - Composite ball bearing with ash removal and lubrication functions

Info

Publication number: CN212509212U
Application number: CN202021051031.7U
Authority: CN
Inventors: 杨建国
Original assignee: Wuxi Qinying Machinery Co Ltd
Current assignee: Wuxi Qinying Machinery Co Ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-02-09
Anticipated expiration: 2030-06-10

Abstract

The utility model discloses a compound ball bearing with effect of dust removal lubrication, including main bearing outer lane and dust ring, the inboard range distribution of main bearing outer lane has the ball, the internally mounted of main bearing inner circle has the side bearing, square groove has been seted up on the middle part surface of main bearing inner circle, the internally mounted of plastic smooth membrane has rubber scraper, branch has all been welded at both ends about the connecting rod, the outside of square groove is provided with the hole groove, the upper surface of bolt covers there is the water proof membrane, the dust ring is located the joint gap department of main bearing outer lane and main bearing inner circle. This kind of compound ball bearing medial bearing's upper surface direct exposure is in the air, and when the side bearing rotated, rubber scraper can intercept the dust of offside bearing upper surface, avoids inside the dust entered the device along with the rotation of side bearing, adopts the softer rubber scraper of material can avoid causing the scratch offside bearing surface.

Description

Composite ball bearing with ash removal and lubrication functions

Technical Field

The utility model relates to a bearing equipment technical field specifically is a compound ball bearing with deashing lubrication action.

Background

The composite ball bearing is formed by assembling an axial ball bearing and a radial ball bearing, the size of the side bearing is reduced, and the mounting structure is simplified, so that the manufacturing cost is reduced, the radial and axial bearing capacities of the composite ball bearing are high, the replaceability of each part is strong, and the composite ball bearing is increasingly applied to various gantry lifting systems.

The ball is located inside the bearing among the existing compound ball bearing, therefore the ball can't carry out effectual lubrication to it after long-term the use, and secondly compound ball bearing medial bearing part contacts with the external world, brings the external dust into inside compound ball bearing easily during side bearing rotation, to above-mentioned problem, we have proposed a compound ball bearing with dust removal lubrication action.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compound ball bearing with effect of dusting lubrication to it is inside to provide ball in the general compound ball bearing in solving above-mentioned background art, consequently can't carry out effectual lubrication to it after the ball uses for a long time, secondly compound ball bearing well side bearing part and external contact, brings the inside problem of compound ball bearing into with external dust easily when the side bearing is rotatory.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a compound ball bearing with ash removal lubrication action, includes main bearing outer lane and dust ring, the inboard range of main bearing outer lane distributes and has the ball, and the inboard of ball is provided with the main bearing inner circle, the internally mounted of main bearing inner circle has side bearing, the middle part surface of main bearing inner circle has seted up the square groove, and the top in square groove is provided with the smooth membrane of plastic, the internally mounted of the smooth membrane of plastic has rubber scraper, and rubber scraper's upper end fixed mounting has the connecting rod, both ends all weld branch about the connecting rod, and the inside screw that has run through of the lower extreme of branch, the outside of square groove is provided with the hole groove, and the inside of hole groove runs through there is the bolt, the upper surface of bolt covers has the water proof membrane, the dust ring is located the joint gap department of main bearing outer lane and main.

Preferably, the vertical center line of the main bearing outer ring is overlapped with the vertical center line of the main bearing inner ring, and the horizontal line of the upper surface of the side bearing is higher than that of the upper surface of the square groove.

Preferably, the lower surface of the plastic smooth film is attached to the upper surface of the side bearing, and a semi-surrounding structure is arranged between the plastic smooth film and the rubber scraper.

Preferably, the struts are symmetrical with respect to a vertical center line of the connecting rod, and the struts are in threaded connection with the main bearing inner ring through screws.

Preferably, the surface of the dust ring is provided with an oil inlet, a piston is arranged in the oil inlet, and the piston is connected with one end of the connecting wire.

Preferably, the external size of the piston is matched with the internal size of the oil inlet, and the piston is connected with the dust ring through a connecting line.

Compared with the prior art, the beneficial effects of the utility model are that: the upper surface of the side bearing in the composite ball bearing with the dust removing and lubricating effects is directly exposed in the air, dust particles carried in the air fall on the upper surface of the side bearing, the plastic smooth film is in contact with the side bearing, when the side bearing rotates, the rubber scraper can intercept the dust on the upper surface of the side bearing, and the dust is prevented from entering the device along with the rotation of the side bearing, so that the dust resistance in the composite ball bearing is improved, the rubber scraper made of soft materials can prevent the surface of the side bearing from being scratched, the plastic smooth film is positioned between the rubber scraper and the side bearing, the plastic smooth film is used for reducing the friction force between the side bearing and the rubber scraper, the resistance received in the rotation process of the side bearing is reduced, the normal operation of the side bearing is facilitated, the dust ring is positioned on the outer side of the ball, the ball is sealed through the dust ring, so that the dust resistance of the ball is improved, extract the piston from the oil inlet, toward the inside lubricating oil that injects of oil inlet, lubricating oil drips on the ball through the oil inlet, lubricates the ball, prolongs the life of ball, and the piston passes through the connecting wire to be fixed on the dust ring, can avoid losing of piston.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a main bearing outer ring; 2. a ball bearing; 3. a main bearing inner ring; 4. a side bearing; 5. a square groove; 6. a plastic smooth film; 7. a rubber blade; 8. a connecting rod; 9. a strut; 10. a screw; 11. a hole groove; 12. a bolt; 13. a water-resistant film; 14. a dust ring; 15. an oil inlet; 16. a piston; 17. and connecting the wires.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a composite ball bearing with dust removing and lubricating effects comprises a main bearing outer ring 1 and a dust ring 14, wherein balls 2 are distributed on the inner side of the main bearing outer ring 1 in an arranging manner, a main bearing inner ring 3 is arranged on the inner side of each ball 2, a side bearing 4 is installed inside the main bearing inner ring 3, a square groove 5 is formed in the middle surface of the main bearing inner ring 3, a plastic smooth film 6 is arranged above the square groove 5, the vertical central line of the main bearing outer ring 1 is superposed with the vertical central line of the main bearing inner ring 3, the horizontal line of the upper surface of the side bearing 4 is higher than that of the square groove 5, the main bearing inner ring 3 is connected with the main bearing outer ring 1 through the balls 2, so that the main bearing inner ring 3 and the main bearing outer ring 1 can keep different motion frequencies, a rubber scraper 7 is installed inside the plastic smooth film 6, and a connecting, the lower surface of the plastic smooth film 6 is attached to the upper surface of the side bearing 4, a semi-surrounding structure is arranged between the plastic smooth film 6 and the rubber scraper 7, the upper surface of the side bearing 4 is directly exposed in the air, dust particles carried in the air fall on the upper surface of the side bearing 4, because the plastic smooth film 6 is in contact with the side bearing 4, when the side bearing 4 rotates, the rubber scraper 7 can intercept dust on the upper surface of the side bearing 4, the dust is prevented from entering the device along with the rotation of the side bearing 4, the dustproof performance in the composite ball bearing is improved, the rubber scraper 7 made of soft materials can prevent the surface of the side bearing 4 from being scratched, supporting rods 9 are welded at the left end and the right end of each connecting rod 8, screws 10 penetrate through the lower ends of the supporting rods 9, the supporting rods 9 are symmetrical with respect to the vertical central line of the connecting rods 8, and the supporting rods 9 are in threaded connection with the inner ring 3 through the, when the rubber scraper 7 is installed, the connecting rod 8 needs to be placed above the square groove 5 in a suspended mode, and then the supporting rod 9 is fixed on the surface of the main bearing inner ring 3 through the screw 10, so that the positions of the connecting rod 8 and the rubber scraper 7 are fixed;

the outer side of the square groove 5 is provided with a hole groove 11, a bolt 12 penetrates through the hole groove 11, the upper surface of the bolt 12 is covered with a waterproof film 13, a dust ring 14 is positioned at the connecting gap between the outer ring 1 of the main bearing and the inner ring 3 of the main bearing, the surface of the dust ring 14 is provided with an oil inlet 15, the inside of the oil inlet 15 is provided with a piston 16, the piston 16 is connected with one end of a connecting wire 17, the dust ring 14 is positioned on the outer side of the ball 2, the ball 2 is sealed through the dust ring 14, so that the dust resistance of the ball 2 is improved, the external size of the piston 16 is matched with the internal size of the oil inlet 15, the piston 16 is connected with the dust ring 14 through the connecting wire 17, when the surface abrasion of the ball 2 in long-term use is serious and the friction force is increased, the piston 16 needs to be pulled out from the oil inlet 15, then lubricating oil is injected into, the ball 2 is lubricated, and the service life of the ball 2 is prolonged.

The working principle is as follows: when the composite ball bearing with the dust removing and lubricating functions is used, the device is firstly assembled, when a rubber scraper 7 is installed, a connecting rod 8 needs to be placed above a square groove 5 in a suspended mode, then a support rod 9 is fixed on the surface of a main bearing inner ring 3 through a screw 10, so that the positions of the connecting rod 8 and the rubber scraper 7 are fixed, the upper surface of a side bearing 4 is directly exposed to the air, dust particles carried in the air fall on the upper surface of the side bearing 4, as a plastic smooth film 6 is in contact with the side bearing 4, when the side bearing 4 rotates, the rubber scraper 7 can intercept dust on the upper surface of the side bearing 4 and prevent the dust from entering the device along with the rotation of the side bearing 4, the dust prevention performance inside the composite ball bearing is improved, a dust ring 14 is located on the outer side of a ball 2, the ball 2 is sealed through the dust ring 14, and the dust prevention performance of the ball 2 is improved, after the ball 2 is used for a long time and the surface abrasion is serious, the piston 16 needs to be pulled out from the oil inlet 15, then lubricating oil is injected into the oil inlet 15, and the lubricating oil drips on the ball 2 through the oil inlet 15 to lubricate the ball 2, so that the ball 2 is recovered to be used, and the working principle of the composite ball bearing with the ash removal and lubrication functions is realized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A compound ball bearing with dust removal lubrication, includes main bearing outer lane (1) and dust ring (14), its characterized in that: the bearing comprises a main bearing outer ring (1), balls (2) are distributed on the inner side of the main bearing outer ring (1) in a distributed mode, a main bearing inner ring (3) is arranged on the inner side of each ball (2), side bearings (4) are mounted inside the main bearing inner ring (3), square grooves (5) are formed in the middle surface of the main bearing inner ring (3), plastic smooth films (6) are arranged above the square grooves (5), rubber scrapers (7) are mounted inside the plastic smooth films (6), connecting rods (8) are fixedly mounted at the upper ends of the rubber scrapers (7), supporting rods (9) are welded at the left end and the right end of each connecting rod (8), screws (10) penetrate through the lower ends of the supporting rods (9), hole grooves (11) are formed in the outer sides of the square grooves (5), bolts (12) penetrate through the hole grooves (11), and waterproof films (13) cover the upper surfaces of the bolts (, the dust ring (14) is positioned at the connecting gap between the main bearing outer ring (1) and the main bearing inner ring (3).

2. The composite ball bearing with ash removal lubrication according to claim 1, wherein: the vertical center line of the main bearing outer ring (1) is superposed with the vertical center line of the main bearing inner ring (3), and the horizontal line of the upper surface of the side bearing (4) is higher than that of the square groove (5).

3. The composite ball bearing with ash removal lubrication according to claim 1, wherein: the lower surface of the plastic smooth film (6) is attached to the upper surface of the side bearing (4), and a semi-surrounding structure is arranged between the plastic smooth film (6) and the rubber scraper (7).

4. The composite ball bearing with ash removal lubrication according to claim 1, wherein: the supporting rods (9) are symmetrical about a vertical center line of the connecting rod (8), and the supporting rods (9) are in threaded connection with the main bearing inner ring (3) through screws (10).

5. The composite ball bearing with ash removal lubrication according to claim 1, wherein: an oil inlet (15) is formed in the surface of the dust ring (14), a piston (16) is arranged inside the oil inlet (15), and the piston (16) is connected with one end of a connecting wire (17).

6. The composite ball bearing with ash removal lubrication according to claim 5, wherein: the external size of the piston (16) is matched with the internal size of the oil inlet (15), and the piston (16) is connected with the dust ring (14) through a connecting wire (17).