CN208634207U - A kind of angular contact ball bearing that contact angle is constant - Google Patents

Abstract

The utility model relates to angular contact ball bearing technical fields, and disclose a kind of angular contact ball bearing that contact angle is constant, including bearing outer ring, the inside of the bearing outer ring offers the first radiating groove, the right side of bearing outer ring offers the oil inlet for running through and being connected to bearing outer ring right end, the inside of bearing outer ring offers the right end through bearing outer ring and is connected to the oil filler point inside oil inlet, the lower surface of bearing outer ring offers the arc groove for running through and being connected to bearing outer ring bottom, and the left end of oil filler point is connected with the inside of arc groove.The constant angular contact ball bearing of the contact angle, upper surface tilt angle is cooperated to be that 5 ° of inclined shore fixed block makes the contact angle of the angular contact ball bearing constant by the annular stop head in ring limit block, to be able to carry out heat dissipation when running at high speed with load by the first radiating groove and the second radiating groove and increase service life, so as to realize that contact angle is constant and purpose with long service life.

Description

A kind of angular contact ball bearing that contact angle is constant

Technical field

The utility model relates to angular contact ball bearing technical field, specially a kind of angular contact ball axis that contact angle is constant It holds.

Background technique

Angular contact ball bearing is a kind of common type of rolling bearing, it can bear radial direction and axial direction simultaneously Connected load, limit speed is high, is mainly used for precision machine tool and other high-precisions, high-revolving precision machinery position.

The case where angular contact ball bearing being typically designed is in the case where running at high speed with load variations and mild wear Under, contact angle changes therewith, is not inconsistent design with operating condition, service life and limit speed is greatly lowered.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of angular contact ball bearing that contact angle is constant, has The advantages that contact angle is constant and long service life solves the problems, such as the variation of angular contact ball bearing contact angle.

(2) technical solution

To achieve the above object, the utility model provides the following technical solutions: a kind of angular contact ball axis that contact angle is constant It holds, including bearing outer ring, the inside of the bearing outer ring offers the first radiating groove, and the right side of the bearing outer ring offers Run through and be connected to the oil inlet of bearing outer ring right end, the inside of the bearing outer ring offers the right end through bearing outer ring and company Oil filler point inside logical oil inlet, the lower surface of the bearing outer ring offers the arc for running through and being connected to bearing outer ring bottom Slot, and the left end of oil filler point is connected with the inside of arc groove, the inner wall of the arc groove is connected with roller ball, the axis The lower surface of bearing outer-ring is connected with retainer, and the upper surface of the retainer, which offers, runs through and be connected to retainer both ends Through-hole, the inner wall of the through-hole are fixedly connected with lubricating grease ring layer, and the inner wall of the lubricating grease ring layer and the surface of roller ball are living Dynamic connection, the bottom of the roller ball are connected with inclined shore fixed block, and inclined shore fixed block upper surface is inclined Rake angle is 5 °, and the upper surface of the inclined shore fixed block offers the ring for running through and being connected to inclined shore fixed block upper surface Shape fixing groove, the inner wall of the annular fixing groove are fixedly connected with ring limit block, and the upper surface of the ring limit block is fixed It is connected with annular stop head, the upper surface of the annular stop head and the surface activity of roller ball connect, and the inclined shore is solid The lower surface for determining block is fixedly connected with bearing inner race, and the inside of the bearing inner race offers the second radiating groove.

Preferably, the radian of the arc groove is adapted with the radian of roller ball.

Preferably, the ring limit block bottom angled angle is 5 °.

Preferably, the size of the lubricating grease ring layer inner wall is adapted with the size of roller ball.

Preferably, first radiating groove is consistent with the second radiating groove shape equal in magnitude.

Preferably, the size of the ring limit block is adapted with the size of annular fixing groove.

(3) beneficial effect

Compared with prior art, the utility model provides a kind of angular contact ball bearing that contact angle is constant, has following The utility model has the advantages that

The constant angular contact ball bearing of the contact angle cooperates upper surface inclination by the annular stop head in ring limit block Angle is that 5 ° of inclined shore fixed block makes the contact angle of the angular contact ball bearing constant, is dissipated by the first radiating groove and second Heat channel to be able to carry out heat dissipation increase service life when running at high speed with load, so as to realize that contact angle is constant and makes With the purpose that the service life is long.

Detailed description of the invention

Fig. 1 is the utility model structure front elevational view；

Fig. 2 is schematic enlarged-scale view at A in the utility model Fig. 1；

Fig. 3 bows for the utility model retainer structure and cuts open figure；

Fig. 4 is the utility model ring limit block structural side view.

In figure: 1 bearing outer ring, 2 first radiating grooves, 3 oil inlets, 4 arc grooves, 5 oil filler points, 6 roller balls, 7 retainers, 8 Through-hole, 9 lubricating grease ring layers, 10 inclined shore fixed blocks, 11 annular fixing grooves, 12 ring limit blocks, 13 annular stop heads, 14 axis Hold inner ring, 15 second radiating grooves.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1-4, a kind of angular contact ball bearing that contact angle is constant, including bearing outer ring 1, bearing outer ring 1 it is interior Portion offers the first radiating groove 2, and the right side of bearing outer ring 1 offers the oil inlet 3 for running through and being connected to 1 right end of bearing outer ring, The oil filler point 5 that the inside of bearing outer ring 1 offers the right end through bearing outer ring 1 and is connected to inside oil inlet 3, passes through oil inlet 3 cooperation oil filler points 5 add lubricating oil to the angular contact ball bearing, and the lower surface of bearing outer ring 1, which offers, to be run through and be connected to outside bearing The arc groove 4 of 1 bottom is enclosed, and the left end of oil filler point 5 is connected with the inside of arc groove 4, the inner wall of arc groove 4 is connected with The radian of roller ball 6, arc groove 4 is adapted with the radian of roller ball 6, and roller ball 6 is turned on the inner wall of arc groove 4 Dynamic, roller ball 6 uses G5 grades of silicon carbide ceramics balls, to guarantee that 1 service life of high-speed condition lower axle bearing outer-ring, the accuracy of manufacture use P4A grades, using big ball, design, to meet 14 bearing capacity of bearing inner race, the lower surface of bearing outer ring 1 is connected with holding Frame 7, the upper surface of retainer 7 offer the through-hole 8 for running through and being connected to 7 both ends of retainer, and the inner wall of through-hole 8 is fixedly connected with profit The size of consistent lubricant ring layer 9,9 inner wall of lubricating grease ring layer is adapted with the size of roller ball 6, enables roller ball 6 in lubricating grease It is rotated between the inner wall of ring layer 9, the inner wall of lubricating grease ring layer 9 is connect with the surface activity of roller ball 6, and the bottom of roller ball 6 is living It is dynamic to be connected with inclined shore fixed block 10, is flexibly connected by the arc groove 4 of 1 lower surface of bearing outer ring with roller ball 6, cooperate and The inclined shore fixed block 10 that the retainer 7 and upper surface tilt angle that roller ball 6 is flexibly connected are 5 ° makes the angular contact Ball bearing can be used normally, and the tilt angle of 10 upper surface of inclined shore fixed block is 5 °, inclined shore fixed block 10 it is upper Surface offers the annular fixing groove 11 for running through and being connected to 10 upper surface of inclined shore fixed block, and the inner wall of annular fixing groove 11 is solid Surely it is connected with ring limit block 12,12 bottom angled angle of ring limit block is 5 °, so that with table on inclined shore fixed block 10 The tilt angle in face is equal, and the size of ring limit block 12 is adapted with the size of annular fixing groove 11, so that ring limit block 12 can be fixed on the inside of annular fixing groove 11, and the upper surface of ring limit block 12 is fixedly connected with annular stop head 13, ring Annular stop head 13 on shape limited block 12 cooperates upper surface tilt angle to be that 5 ° of inclined shore fixed block 10 makes the corner connection The contact angle for touching ball bearing is constant, and the upper surface of annular stop head 13 is connect with the surface activity of roller ball 6, and inclined shore is fixed The lower surface of block 10 is fixedly connected with bearing inner race 14, and the inside of bearing inner race 14 offers the second radiating groove 15, the first heat dissipation Slot 2 is consistent with the shape equal in magnitude of the second radiating groove 15, and the first radiating groove 2 and the cooperation of the second radiating groove 15 are to 1 He of bearing outer ring Bearing inner race 14 radiates, by the first radiating groove 2 and the second radiating groove 15 enable when running at high speed with load into Row heat dissipation increases service life, so as to realize that contact angle is constant and purpose with long service life.

When in use, it is flexibly connected by the arc groove 4 of 1 lower surface of bearing outer ring with roller ball 6, cooperation and roller ball 6 The retainer 7 and upper surface tilt angle of flexible connection are that 5 ° of inclined shore fixed block 10 makes the angular contact ball bearing can With normal use, the annular stop head 13 in ring limit block 12 cooperates upper surface tilt angle to be 5 ° of inclined shore fixed block 10 make the contact angle of the angular contact ball bearing constant, running at high speed by the first radiating groove 2 and the second radiating groove 15 It is able to carry out heat dissipation when with load and increases service life, so as to realize that contact angle is constant and purpose with long service life, leads to Crossing oil inlet 3 cooperates oil filler point 5 to add lubricating oil to the angular contact ball bearing.

In conclusion the angular contact ball bearing that the contact angle is constant, passes through the annular stop head 13 in ring limit block 12 Cooperation upper surface tilt angle is that 5 ° of inclined shore fixed block 10 makes the contact angle of the angular contact ball bearing constant, by the One radiating groove 2 and the second radiating groove 15 to be able to carry out heat dissipation increase service life when running at high speed with load, so as to To realize that contact angle is constant and purpose with long service life.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of angular contact ball bearing that contact angle is constant, including bearing outer ring (1), it is characterised in that: the bearing outer ring (1) Inside offer the first radiating groove (2), the right side of the bearing outer ring (1), which offers, runs through and is connected to bearing outer ring (1) The oil inlet (3) of right end, the inside of the bearing outer ring (1) offer the right end through bearing outer ring (1) and are connected to oil inlet (3) internal oil filler point (5), the lower surface of the bearing outer ring (1) offers the arc for running through and being connected to bearing outer ring (1) bottom Shape slot (4), and the left end of oil filler point (5) is connected with the inside of arc groove (4), the inner wall of the arc groove (4) is flexibly connected Have roller ball (6), the lower surface of the bearing outer ring (1) is connected with retainer (7), the upper surface of the retainer (7) The through-hole (8) for running through and being connected to retainer (7) both ends is offered, the inner wall of the through-hole (8) is fixedly connected with lubricating grease ring layer (9), the inner wall of the lubricating grease ring layer (9) is connect with the surface activity of roller ball (6), the bottom activity of the roller ball (6) It is connected with inclined shore fixed block (10), the tilt angle of inclined shore fixed block (10) upper surface is 5 °, the inclination The upper surface of support fixed block (10) offers the annular fixing groove for running through and being connected to inclined shore fixed block (10) upper surface (11), the inner wall of the annular fixing groove (11) is fixedly connected with ring limit block (12), the ring limit block (12) it is upper Surface is fixedly connected with annular stop head (13), the upper surface of the annular stop head (13) and the surface activity of roller ball (6) Connection, the lower surface of the inclined shore fixed block (10) are fixedly connected with bearing inner race (14), the bearing inner race (14) Inside offers the second radiating groove (15).

2. a kind of constant angular contact ball bearing of contact angle according to claim 1, it is characterised in that: the arc groove (4) radian is adapted with the radian of roller ball (6).

3. a kind of constant angular contact ball bearing of contact angle according to claim 1, it is characterised in that: the annular stop Block (12) bottom angled angle is 5 °.

4. a kind of constant angular contact ball bearing of contact angle according to claim 1, it is characterised in that: the lubricating grease circle The size of layer (9) inner wall is adapted with the size of roller ball (6).

5. a kind of constant angular contact ball bearing of contact angle according to claim 1, it is characterised in that: first heat dissipation Slot (2) is consistent with the second radiating groove (15) shape equal in magnitude.

6. a kind of constant angular contact ball bearing of contact angle according to claim 1, it is characterised in that: the annular stop The size of block (12) is adapted with the size of annular fixing groove (11).