CN216278974U - Angular contact ball bearing with self-lubricating function - Google Patents

Abstract

The utility model discloses an angular contact ball bearing with a self-lubricating function, which belongs to the technical field of angular contact ball bearings and comprises a first inner ring, wherein a second inner ring is arranged on the right side of the first inner ring, a plurality of clamping blocks are fixedly connected to opposite surfaces of the first inner ring and the second inner ring, and the first inner ring and the second inner ring are mutually clamped and connected through the plurality of clamping blocks. This angular contact ball bearing with self-lubricating function, through setting up first inner circle, the second inner circle, the fixture block, first notch, the through-hole, thread fixing rod and screw hole, the setting of these structures makes the installation of first inner circle and second inner circle can easily be accomplished through the both sides of bearing inner race to this device, and need not with the help of external machine and instrument, labour saving and time saving, and is very convenient, thereby can effectual promotion this device assembly efficiency, can fix through thread fixing rod after the installation is accomplished simultaneously, the effectual stability that promotes this device overall structure.

Description

Angular contact ball bearing with self-lubricating function

Technical Field

The utility model belongs to the technical field of angular contact ball bearings, and particularly relates to an angular contact ball bearing with a self-lubricating function.

Background

Angular contact ball bearings can simultaneously withstand both radial and axial loads. Can work at higher rotating speed. The larger the contact angle, the higher the axial load capacity. High precision and high speed bearings typically take a 15 degree contact angle. Under axial force, the contact angle increases. Angular contact ball bearings can be classified into single-row angular contact ball bearings and double-row angular contact ball bearings. The single-row angular contact ball bearing can only bear axial load in one direction, when bearing radial load, additional axial force is caused, and the double-row angular contact ball bearing can bear radial and axial combined load and moment load which are mainly large in radial load, so that axial displacement of two aspects of a shaft is limited. Traditional angular contact bearing does not possess self-lubricate's function, if not timely when using for a long time adds lubricating oil and leads to angular contact bearing's damage easily, and traditional biserial angular contact bearing is very difficult when carrying out the assembly of bearing inner race and bearing roller simultaneously, needs special machine to carry out the assembly work that auxiliary work could accomplish angular contact bearing, and very waste time and energy has reduced angular contact bearing's assembly efficiency.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects in the prior art, the utility model provides an angular contact ball bearing with a self-lubricating function, which solves the problems that the traditional angular contact bearing does not have the automatic lubricating function, the damage of the angular contact bearing is easily caused if lubricating oil is not added in time during long-term use, meanwhile, the traditional double-row angular contact bearing is very difficult to assemble a bearing inner ring and a bearing roller, the assembly work of the angular contact bearing can be completed only by needing a special machine to perform auxiliary work, time and labor are wasted, and the assembly efficiency of the angular contact bearing is reduced.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: an angular contact ball bearing with a self-lubricating function comprises a first inner ring, a second inner ring is arranged on the right side of the first inner ring, the opposite surfaces of the first inner ring and the second inner ring are fixedly connected with a plurality of clamping blocks, the first inner ring and the second inner ring are mutually clamped through the clamping blocks, the outer surfaces of the first inner ring and the second inner ring are sleeved with the same bearing outer ring, the left side surface and the right side surface of the bearing outer ring are both provided with first sliding chutes, the outer surfaces of the first inner ring and the second inner ring are both provided with second sliding grooves, a retainer is arranged between the first sliding groove and the corresponding second sliding groove, the outer surface of the retainer is provided with a plurality of roller clamping grooves, bearing rollers are movably connected in the roller clamping grooves, bearing roller sliding connection corresponds between first spout and the second spout, the mounting groove has all been seted up with the back to the front of roller draw-in groove inner wall.

A lubricating block is fixedly connected in the mounting groove, a plurality of first notches are respectively arranged on the left side surface of the first inner ring and the right side surface of the second inner ring, a through hole is arranged on one side of the inner wall of the first notch, a plurality of threaded holes are arranged on the right side surface of the first inner ring and the left side surface of the second inner ring, a threaded fixing rod is connected in the through hole in a sliding way, one end of the threaded fixing rod is connected in the threaded hole in a threaded way, the outer surface of the bearing outer ring is provided with a groove, the lower surface of the inner wall of the groove is provided with a plurality of second notches, one side of the inner wall of the second notch is provided with an oil filling hole, one side of the inner wall of the oil filling hole is provided with a mounting thread, and a leakage-proof screw is connected in the oil injection hole through a mounting thread, a sealing gasket is fixedly connected to one side of the inner wall of the second notch, and one side of the sealing gasket is in lap joint with the outer surface of the leakage-proof screw.

As a further scheme of the utility model: the bearing outer ring is characterized in that chamfers are arranged on the left side face and the right side face of the bearing outer ring, and the first sliding groove and the second sliding groove are both arc-shaped.

As a further scheme of the utility model: the retainer is Z-shaped, and the lubricating block is made of graphite.

As a further scheme of the utility model: the part of the threaded fixing rod, which is positioned in the through hole, is set to be a smooth surface, and two sides of the inner wall of the groove are set to be inclined.

As a further scheme of the utility model: leak protection screw and thread tightening pole's one end all sets up to interior hexagonal shape, sealed the pad adoption rubber material.

As a further scheme of the utility model: the threaded holes and the through holes are arranged in a staggered mode, the through hole in the right side face of the first inner ring corresponds to the threaded hole in the left side face of the second inner ring, and the first inner ring, the second inner ring and the corresponding clamping blocks are cast integrally.

(III) advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

1. the angular contact ball bearing with the self-lubricating function has the advantages that the device can be divided into two parts by arranging the first inner ring, the second inner ring, the clamping block, the first notch, the through hole, the thread fixing rod and the thread hole, the first inner ring and the second inner ring are convenient to be respectively installed through two sides of the outer ring of the bearing, so that the situation of difficult installation through only one side installation is avoided, meanwhile, the clamping block is arranged, the auxiliary positioning is convenient to be carried out when the first inner ring and the second inner ring are installed, so that the further fixing treatment is convenient, meanwhile, the mutual movement between the first inner ring and the second inner ring can be avoided through the mutual contact of the clamping block when the angular contact ball bearing is used, the thread fixing rod and the thread hole are arranged, so that the first inner ring and the second inner ring can be fixed through the plurality of thread fixing rods after the clamping block is clamped, and the installation stability between the first inner ring and the second inner ring is ensured, can avoid simultaneously bearing roller to remove about in the bearing inner race, guarantee bearing roller can fully contact with first spout and second spout, thereby guarantee the normal use of this device, the setting of these structures, make this device can easily accomplish the installation of first inner circle and second inner circle through the both sides of bearing inner race, and need not with the help of external machine and instrument, time saving and labor saving, therefore, the device is very convenient, thereby can effectually promote the assembly efficiency of this device, can fix through the thread fixing pole after the installation is accomplished simultaneously, the effectual stability that promotes this device overall structure.

2. The angular contact ball bearing with the self-lubricating function is provided with the groove, the second notch, the oil filling hole, the leakage-proof screw, the mounting thread and the sealing gasket, and the groove and the second notch are arranged, so that the leakage-proof screw can be positioned in the second notch after being mounted, and the protrusion of the outer edge surface of the outer ring of the bearing is avoided, thereby avoiding influencing the integral mounting and use of the device, and meanwhile, the oil filling hole and the leakage-proof screw are arranged, so that the device can directly add lubricating oil into the inner part through the oil filling hole without being slowly injected through an external gap, the oil filling efficiency is effectively improved, the oil filling hole can be sealed through the leakage-proof screw after the oil filling is finished, thereby avoiding the lubricating oil from flowing out through the oil filling hole again when the device works, ensuring the detention time of the lubricating oil in the device, improving the lubricating effect, and meanwhile, the sealing gasket is arranged, and further improving the sealing performance between the leakage-proof screw and the oil filling hole, is very practical.

3. This angular contact ball bearing with self-lubricating function, through setting up the holder, the roller draw-in groove, mounting groove and lubricating block, the setting of holder and roller draw-in groove, can make and correspond to remain suitable interval all the time between a plurality of bearing roller, avoid appearing colliding each other, thereby effectively reduce wearing and tearing, the cooperation setting of mounting groove and lubricating block simultaneously, run out at the inside lubricating oil of this device, and when the staff did not in time add lubricating oil, can produce graphite particles through the friction between bearing roller and the lubricating block, and adhere to at the bearing roller, the surface of first spout and second spout, thereby carry out effectual self-lubricate to this device, avoid this device to accelerate wearing and tearing because of lubricating oil lacks, the effectual life who ensures this device.

Drawings

FIG. 1 is a schematic cross-sectional view of the front view of the present invention;

FIG. 2 is a schematic cross-sectional view of the cage of the present invention;

FIG. 3 is a perspective view of a second inner ring according to the present invention;

FIG. 4 is an enlarged schematic view of the utility model at A;

FIG. 5 is an enlarged schematic view of the utility model at B;

in the figure: the bearing comprises a first inner ring 1, a second inner ring 2, a fixture block 3, a bearing outer ring 4, a first sliding groove 5, a second sliding groove 6, a bearing roller 7, a retainer 8, a roller clamping groove 9, a mounting groove 10, a lubrication block 11, a first notch 12, a through hole 13, a threaded hole 14, a threaded fixing rod 15, a groove 16, a second notch 17, an oil injection hole 18, a mounting thread 19, a leakage-proof screw 20 and a sealing gasket 21.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 5, the present invention provides a technical solution: an angular contact ball bearing with a self-lubricating function comprises a first inner ring 1, a second inner ring 2 is arranged on the right side of the first inner ring 1, the first inner ring 1 and the second inner ring 2 are arranged, so that the device can be divided into two parts, the two parts can be conveniently and respectively installed through two sides of a bearing outer ring 4, the situation that the installation is difficult only through one-side installation is avoided, a plurality of clamping blocks 3 are fixedly connected to opposite surfaces of the first inner ring 1 and the second inner ring 2, the first inner ring 1 and the second inner ring 2 are mutually clamped through the plurality of clamping blocks 3, the arrangement of the clamping blocks 3 is convenient for auxiliary positioning when the first inner ring 1 and the second inner ring 2 are installed, further fixing treatment is convenient, meanwhile, the mutual movement between the first inner ring 1 and the second inner ring 2 can be avoided through the mutual contact of the clamping blocks 3 when the angular contact ball bearing is used, the same bearing outer ring 4 is sleeved on the outer surfaces of the first inner ring 1 and the second inner ring 2, first spout 5 has all been seted up to the left and right sides face of bearing inner race 4, second spout 6 has all been seted up to the surface of first inner circle 1 and second inner circle 2, first spout 5 with correspond and be provided with holder 8 between the second spout 6, a plurality of roller draw-in groove 9 has been seted up to the surface of holder 8, swing joint has bearing roller 7 in the roller draw-in groove 9, bearing roller 7 sliding connection corresponds between first spout 5 and the second spout 6, mounting groove 10 has all been seted up to the front and the back of roller draw-in groove 9 inner wall.

A lubricating block 11 is fixedly connected in the mounting groove 10, a plurality of first notches 12 are respectively arranged on the left side surface of the first inner ring 1 and the right side surface of the second inner ring 2, a through hole 13 is arranged on one side of the inner wall of each first notch 12, a plurality of threaded holes 14 are respectively arranged on the right side surface of the first inner ring 1 and the left side surface of the second inner ring 2, a thread fixing rod 15 is slidably connected in each through hole 13, one end of each thread fixing rod 15 is in threaded connection with each threaded hole 14, a groove 16 is arranged on the outer surface of the bearing outer ring 4, a plurality of second notches 17 are arranged on the lower surface of the inner wall of each groove 16, the grooves 16 and the second notches 17 are arranged, so that the leakage-proof screws 20 can be positioned in the second notches 17 after being mounted, the outer edge surface of the bearing outer ring 4 is prevented from protruding, thereby avoiding influencing the whole mounting and use of the device, an oil filling hole 18 is arranged on one side of the inner wall of each second notch 17, a mounting thread 19 is arranged on one side of the inner wall of the oil hole 18, be connected with leak protection screw 20 through installation screw thread 19 in the oil filler point 18, leak protection screw 20's setting, can accomplish the back through leak protection screw 20 and seal up oil filler point 18 at the oiling, thereby avoid this device to flow out through oil filler point 18 again at during operation lubricating oil, guarantee lubricating oil is at the inside detention time of this device, promote lubricated effect, one side fixedly connected with of second notch 17 inner wall seals up the pad 21, the outer surface overlap joint of the one side of sealing up pad 21 and leak protection screw 20.

Specifically, as shown in fig. 1 and 2, the left surface and the right surface of the bearing outer ring 4 are provided with chamfers, the first sliding groove 5 and the second sliding groove 6 are both arranged into arc shapes, the retainer 8 is arranged into a zigzag shape, the lubricating block 11 is made of graphite, a good self-lubricating effect can be provided for the device, acceleration caused by abrasion due to lack of lubricating oil in the device is avoided, the part of the thread fixing rod 15 located in the through hole 13 is arranged into a smooth surface, and two sides of the inner wall of the groove 16 are arranged into inclined shapes.

Specifically, as shown in fig. 3 and 4, the leak-proof screws 20 and the one end of the thread fixing rod 15 are both set to be in a hexagon shape, the sealing gaskets 21 are made of rubber, the sealing gaskets 21 are arranged, the sealing performance between the leak-proof screws 20 and the oil injection holes 18 is further improved, the leak-proof screws are very practical, the threaded holes 14 and the through holes 13 are arranged in a staggered mode, the through holes 13 in the right side face of the first inner ring 1 correspond to the threaded holes 14 in the left side face of the second inner ring 2, and the first inner ring 1 and the second inner ring 2 and the corresponding clamping blocks 3 are cast integrally.

The working principle of the utility model is as follows:

when the device needs to be assembled, firstly, the bearing roller 7 and the retainer 8 are sleeved on the outer surfaces of the first inner ring 1 and the second inner ring 2 together, the bearing roller 7 is positioned at the position of the second chute 6, the first inner ring 1 is clamped in through the left side of the bearing outer ring 4, the bearing roller 7 is installed in the first chute 5 in a matching way, meanwhile, the second inner ring 2 is clamped in through the right side of the bearing outer ring 4, the fixture block 3 at the left side of the second inner ring 2 is clamped and matched with the fixture block 3 at the right side of the first inner ring 1, the bearing roller 7 on the outer surface of the second inner ring 2 is installed in the first chute 5 at the right side of the bearing outer ring 4, at the moment, the thread fixing rod 15 is inserted through the through hole 13, and the thread fixing rod 15 is connected in the corresponding threaded hole 14 in a matching way, so that the first inner ring 1 and the second inner ring 2 can be fixed in the bearing outer ring 4 in a matching way without automatic falling off, when lubricating oil needs to be added into the device, the lubricating oil can be directly injected into the device through the oil injection hole 18 after the leakage-proof screw 20 is removed.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims (6)

1. An angular contact ball bearing with a self-lubricating function, comprising a first inner ring (1), characterized in that: the right side of the first inner ring (1) is provided with a second inner ring (2), the opposite surfaces of the first inner ring (1) and the second inner ring (2) are fixedly connected with a plurality of clamping blocks (3), the first inner ring (1) and the second inner ring (2) are mutually clamped through the plurality of clamping blocks (3), the outer surfaces of the first inner ring (1) and the second inner ring (2) are sleeved with the same bearing outer ring (4), the left side surface and the right side surface of the bearing outer ring (4) are respectively provided with a first sliding groove (5), the outer surfaces of the first inner ring (1) and the second inner ring (2) are respectively provided with a second sliding groove (6), a retainer (8) is arranged between the first sliding groove (5) and the corresponding second sliding groove (6), the outer surface of the retainer (8) is provided with a plurality of roller clamping grooves (9), a bearing roller (7) is movably connected in the roller clamping grooves (9), the bearing rollers (7) are connected between the corresponding first sliding grooves (5) and the corresponding second sliding grooves (6) in a sliding manner, and the front and the back of the inner wall of the roller clamping groove (9) are provided with mounting grooves (10);

a lubricating block (11) is fixedly connected in the mounting groove (10), a plurality of first notches (12) are formed in the left side surface of the first inner ring (1) and the right side surface of the second inner ring (2), a through hole (13) is formed in one side of the inner wall of each first notch (12), a plurality of threaded holes (14) are formed in the right side surface of the first inner ring (1) and the left side surface of the second inner ring (2), a thread fixing rod (15) is connected in the through hole (13) in a sliding mode, one end of the thread fixing rod (15) is connected in the threaded holes (14) in a threaded mode, a groove (16) is formed in the outer surface of the bearing outer ring (4), a plurality of second notches (17) are formed in the lower surface of the inner wall of the groove (16), an oil filling hole (18) is formed in one side of the inner wall of each second notch (17), and mounting threads (19) are formed in one side of the inner wall of the oil filling hole (18), be connected with leak protection screw (20) through installation screw thread (19) in oil filler point (18), one side fixedly connected with of second notch (17) inner wall is sealed to fill up (21), the surface overlap joint of one side of sealed pad (21) and leak protection screw (20).

2. The angular contact ball bearing having a self-lubricating function according to claim 1, wherein: the left side face and the right side face of the bearing outer ring (4) are provided with chamfers, and the first sliding groove (5) and the second sliding groove (6) are both arc-shaped.

3. The angular contact ball bearing having a self-lubricating function according to claim 1, wherein: the retainer (8) is Z-shaped, and the lubricating block (11) is made of graphite.

4. The angular contact ball bearing having a self-lubricating function according to claim 1, wherein: the part of the threaded fixing rod (15) in the through hole (13) is set to be a smooth surface, and two sides of the inner wall of the groove (16) are set to be inclined.

5. The angular contact ball bearing having a self-lubricating function according to claim 1, wherein: leak protection screw (20) all set up to hexagon socket head cap form with the one end of threaded fixing pole (15), sealed pad (21) adopt rubber material.

6. The angular contact ball bearing having a self-lubricating function according to claim 1, wherein: the threaded holes (14) and the through holes (13) are arranged in a staggered mode, the through holes (13) in the right side face of the first inner ring (1) correspond to the threaded holes (14) in the left side face of the second inner ring (2), and the first inner ring (1) and the second inner ring (2) are cast integrally with the corresponding clamping blocks (3).

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