CN210637386U

CN210637386U - Car angular contact ball bearing metal seal ring structure

Info

Publication number: CN210637386U
Application number: CN201920989728.XU
Authority: CN
Inventors: 王能志
Original assignee: Taizhou Dongtai Bearing Co ltd
Current assignee: Taizhou Dongtai Bearing Co ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-05-29
Anticipated expiration: 2029-06-27

Abstract

The utility model discloses an automobile angular contact ball bearing metal seal circle structure, including the bearing inner race, the holder, metal inner circle and ball, the bearing inner race sets up with one heart and the holder is less than the bearing inner race with holder and metal inner circle, the metal inner circle is less than the holder, the ball runs through in the holder and ball one end cambered surface contact bearing inner race inner wall, other end cambered surface contacts in metal inner circle side, sealing member has been installed to one side of bearing inner race, sealing member's edge has installed sealed locking part, sealing member sets up and sealed locking part hugs closely metal outer race edge with metal outer race interference fit. The utility model discloses a set up separation part and sealed steel ring, laminating that the separation part can be inseparable in the surface of sealed steel ring, fine isolated bearing get into inside the bearing at high-speed rotatory in-process dust.

Description

Car angular contact ball bearing metal seal ring structure

Technical Field

The utility model relates to an automobile bearing seals technical field, especially relates to an angular contact ball bearing sealing washer.

Background

The bearing is an important part in the modern mechanical equipment. The main function of the device is to support the mechanical rotator, reduce the movement of the mechanical rotator and ensure the rotation precision of the mechanical rotator; the bearings are classified into two types: the sliding bearing and the rolling bearing are adopted; sliding bearing: according to the load, the method comprises the following steps: radial bearings, thrust bearings, are divided into according to the lubrication state between the sliding surfaces: liquid lubricated bearings, incomplete liquid lubricated bearings, non-lubricated bearings; rolling bearing: the self-aligning ball bearing, the self-aligning roller bearing, the tapered roller bearing, the double-row deep groove ball bearing, the thrust ball bearing, the deep groove ball bearing, the angular contact ball bearing, the cylindrical roller bearing and the needle roller bearing; with the continuous development of industrial machinery, a bearing plays an especially important role in the operation process of the machinery, and meanwhile, a sealing ring used in the bearing plays an especially important role in the service life and the durability of the bearing.

The existing bearing sealing part is easy to loosen in the high-speed rotating process of the bearing, so that external dust enters the bearing from a gap between the sealing part and the loosening of the bearing, the bearing is influenced by dust particles in the high-speed rotating process, and the service life of the bearing is greatly shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that bearing seal part is not hard up easily and leads to the dust to get into the inside life that influences of bearing among the prior art, and the car angular contact ball bearing metal seal circle structure that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an automobile angular contact ball bearing metal seal ring structure, includes bearing inner race, holder, metal inner circle and ball, bearing inner race sets up with retainer and metal inner circle concentric and the holder is less than the bearing inner race, and the metal inner circle is less than the holder, the ball runs through in the holder and ball one end cambered surface contact bearing inner race inner wall, and other end cambered surface contacts in metal inner circle side, sealing member has been installed to one side of bearing inner race, sealing member's edge has been installed sealed locking part, sealing member and metal outer circle interference fit set up and sealed locking part hug closely metal outer race edge.

Furthermore, the sealing part comprises a metal outer sealing ring, a metal sealing ring and a limiting convex particle, the diameter length of the metal sealing ring is smaller than that of the metal outer sealing ring, the metal sealing ring and the metal outer sealing ring are concentrically arranged and fixedly arranged into a whole, openings with the same diameter length are formed in the middle of the metal sealing ring, and the limiting convex particle is fixedly arranged on the side face of the metal sealing ring.

Furthermore, a sealing steel ring is fixedly arranged on the inner wall of the metal outer sealing ring, and a limiting hole is formed in the side face of the retainer.

Furthermore, the material of the sealing steel rings can be stainless steel, and the two groups of sealing steel rings are respectively arranged at the edge of the inner wall of the bearing outer ring and are in interference fit with the metal sealing ring.

Furthermore, a limiting hole is formed in the retainer, the limiting hole and the limiting convex particles are arranged in an embedded mode, and the limiting convex particles are made of elastic parts.

Furthermore, the material of the limit convex particles can be a rubber material, a silica gel material or a PCV material.

Furthermore, sealed locking part is including last spacing strip, sealing washer, end seal piece, chucking pearl, the spacing lug of chucking pearl, spacing groove and top seal piece, go up spacing strip and chucking pearl and all set firmly in the medial surface and the lateral surface of sealed steel ring, the spacing groove is seted up and is followed outside the metal seal circle to the formation is rectangular form spacing groove.

Furthermore, the sealing washer sets firmly in the opening part of spacing groove to the sealing washer is provided with two and is the symmetry setting, top seal piece sets firmly in the top of sealing washer, and end seal piece sets firmly in the below of sealing washer, and the spacing lug of chucking pearl sets firmly in the side border of spacing groove.

Furthermore, the top sealing block is arranged to incline upwards outwards, the bottom sealing block is arranged to incline downwards inwards, the whole sealing ring can be made of an elastic component, and the clamping bead limiting convex block is arranged to incline towards the top.

Further, the distance between the clamping bead limiting convex block and the edge of the limiting groove is the diameter length of the clamping bead, the clamping bead limiting convex block is in interference fit with the clamping bead, and the sealing ring elastic component can be made of rubber or silica gel.

The utility model has the advantages that:

1. through setting up separation part and sealing steel ring, the laminating that the separation part can be inseparable in sealing steel ring's surface, fine isolated the bearing inside at the rotatory in-process dust of high speed gets into the bearing.

2. Carry out the sealed degree between sealed steel ring of reinforcement that the gomphosis can be further and the separation part through setting up spacing hole and spacing protruding grain, sealed respond well.

3. Through setting up spacing and the mutual interference fit setting of end seal piece, can form double-deck separation structure, realize further sealed effect.

Drawings

Fig. 1 is the utility model provides a whole explosion structure sketch map of car angular contact ball bearing metal seal ring structure.

Fig. 2 is the utility model provides a metal seal circle side structure cross-sectional view of car angular contact ball bearing metal seal circle structure.

Fig. 3 is an enlarged side sectional view of a position a in the structure diagram 2 of the metal seal ring of the angular contact ball bearing for the vehicle according to the present invention.

Fig. 4 is the utility model provides a local structure schematic diagram of sealing washer of car angular contact ball bearing metal seal ring structure.

In FIGS. 1-4: 1-bearing outer ring, 2-retainer, 3-metal inner ring, 4-ball, 5-sealing steel ring, 501-upper limit strip, 502-clamping bead, 6-metal sealing ring, 601-sealing ring, 6011-top sealing block, 6012-bottom sealing block, 602-limit groove, 603-clamping bead limit bump, 7-metal outer sealing ring, 8-limit hole and 9-limit convex particle.

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.

Referring to fig. 1-4, an automobile angular contact ball bearing metal seal ring structure, including bearing inner race 1, holder 2, metal inner race 3 and ball 4, bearing inner race 1 sets up with holder 2 and metal inner race concentric and holder 2 is less than bearing inner race 1, metal inner race 3 is less than holder 2, ball 4 runs through in holder 2 and ball 4 one end cambered surface contacts bearing inner race 1 inner wall, another end cambered surface contacts in metal inner race 3 side, sealing member has been installed to one side of bearing inner race 1, sealing member's edge has installed sealed locking member, sealing member and metal outer race interference fit set up and sealed locking member hug closely metal outer race edge.

In this embodiment, the sealing component includes metal outer seal ring 7, metal seal ring 6 and spacing protruding grain 9, and metal seal ring 6 diameter length is less than metal outer seal ring 7, and both set up with one heart and set firmly as an organic whole, and the opening that diameter length is unanimous is all seted up at the middle part, and spacing protruding grain 9 sets firmly in the side of metal seal ring 6, can realize that metal seal ring 6 and metal outer seal ring 7 laminate in the side of bearing inner race 1, realizes sealed effect.

Preferably, a sealing steel ring 5 is fixedly arranged on the inner wall of the metal outer sealing ring 7, a limiting hole 8 is formed in the side face of the retainer 2, the metal sealing ring 6 and the sealing steel ring 5 can be conveniently embedded, and meanwhile the limiting hole 8 and the limiting convex grains 9 are embedded to further achieve the reinforcing effect.

Preferably, the material of the sealing steel ring 5 can be stainless steel, the sealing steel rings 5 are arranged in two groups, are respectively arranged at the edge close to the inner wall of the bearing outer ring 1 and are in interference fit with the metal sealing ring 6, the interference fit effect of the metal sealing ring 6 and the sealing steel ring 5 can be realized, and sealing is realized.

Preferably, the retainer 2 is provided with a limiting hole 8, the limiting hole 8 and the limiting convex particles 9 are embedded with each other, and the limiting convex particles 9 are made of elastic parts, so that the limiting hole 8 and the limiting convex particles 9 are embedded with each other conveniently to realize further reinforcement.

Preferably, the material of the limiting convex particles 9 can be a rubber material, a silica gel material or a PCV material, and the limiting convex particles 9 can be conveniently embedded into the limiting holes 8.

Preferably, the sealing and locking component comprises an upper limit strip 501, a sealing ring 601, a bottom sealing block 6012, a clamping bead 502, a clamping bead limit bump 603, a limit groove 602 and a top sealing block 6011, wherein the upper limit strip 501 and the clamping bead 502 are both fixedly arranged on the inner side surface and the outer side surface of the sealing steel ring 5, the limit groove 602 is arranged on the outer edge of the metal sealing ring 6 and forms a rectangular limit groove 602, and a two-layer separation sealing effect can be formed.

Preferably, the sealing ring 601 is fixedly arranged at an opening of the limiting groove 602, two sealing rings 601 are symmetrically arranged, the top sealing block 6011 is fixedly arranged above the sealing ring 601, the bottom sealing block 6012 is fixedly arranged below the sealing ring 601, the clamping bead limiting projection 603 is fixedly arranged at the side edge of the limiting groove 602, the limiting groove 602 can be just embedded and fixed with the sealing steel ring 5, and the sealing ring 601 plays a sealing role.

Preferably, top seal piece 6011 upwards inclines to set up outwards, and end seal piece 6012 is the slope setting downwards in the surpassing, and the whole material of sealing washer 601 can be the elastomeric element material, and the spacing lug of chucking pearl 603 sets up for the slope of orientation, can realize going up spacing 501 and end seal piece 6012 interference fit, realizes that the separation is sealed, cooperates spacing fixed effect of realization behind chucking pearl 502 and the spacing lug of chucking pearl 603 interference chucking simultaneously.

Preferably, the distance between the clamping bead limiting convex block 603 and the edge of the limiting groove 602 is the diameter length of the clamping bead 502, the clamping bead limiting convex block 603 and the clamping bead 502 are arranged in an interference fit manner, the elastic part of the sealing ring 601 can be made of rubber or silica gel, and the clamping bead 502 and the clamping bead limiting convex block 603 are conveniently limited and fixed.

When in use, firstly, the balls 4 are arranged in the retainer 2, the metal inner ring 3 is arranged in the retainer 2, then, the metal outer sealing ring 7 is arranged on the side surface of the bearing outer ring 1, the metal sealing ring 6 is clamped into the sealing steel ring 5, the limiting convex grains 9 are embedded into the limiting holes 8, realizing further reinforcing effect, the limit groove 602 formed by the sealing ring 601 is sleeved in the sealing steel ring 5, in the sleeving process, the clamping bead 502 is clamped into the lower part of the clamping bead limiting lug 603 from the upper part and clamped into the lower part to realize the clamping effect, the upper limiting strip 501 is clamped into the bottom sealing block 601 to form a blocking layer, so that external dust is prevented from entering the bearing in the high-speed rotation process of the bearing, and meanwhile, in the process of sealing the steel ring 5 by the sealing ring 601, the top sealing block 6011 is just attached to the gap between the metal sealing ring 6 and the steel ring 5, so as to further block external dust.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an automobile angular contact ball bearing metal seal ring structure, includes bearing inner race (1), holder (2), metal inner race (3) and ball (4), bearing inner race (1) and holder (2) and metal inner race (3) set up with one heart and holder (2) are less than bearing inner race (1), and metal inner race (3) are less than holder (2), ball (4) run through in holder (2) and ball (4) one end cambered surface contact bearing inner race (1) inner wall, and the other end cambered surface contacts in metal inner race (3) side, a serial communication port, sealing member has been installed to one side of bearing inner race (1), sealing member has been installed to sealing member's edge, sealing member and metal outer race interference fit set up and sealing member hug closely metal edge outer lane.

2. The metal seal ring structure of the angular contact ball bearing of the automobile according to claim 1, wherein the sealing component comprises a metal outer sealing ring (7), a metal seal ring (6) and a limiting convex grain (9), the metal seal ring (6) has a smaller diameter and a smaller length than the metal outer sealing ring (7), the metal seal ring and the metal outer sealing ring are concentrically arranged and fixedly arranged into a whole, openings with the same diameter and length are formed in the middle of the metal seal ring, and the limiting convex grain (9) is fixedly arranged on the side surface of the metal seal ring (6).

3. The metal seal ring structure of the angular contact ball bearing of the automobile according to claim 2, wherein a seal steel ring (5) is fixedly arranged on the inner wall of the metal outer seal ring (7), and a limit hole (8) is formed in the side surface of the retainer (2).

4. The metal seal ring structure of the angular contact ball bearing of the automobile according to claim 3, wherein the material of the sealing steel rings (5) is stainless steel, and two groups of the sealing steel rings (5) are respectively arranged at the edge of the inner wall of the outer ring (1) of the bearing and are arranged in an interference fit with the metal seal ring (6).

5. The metal seal ring structure of the angular contact ball bearing of the automobile according to claim 1 or 2, wherein the retainer (2) is provided with a limiting hole (8), the limiting hole (8) and the limiting convex grain (9) are embedded with each other, and the limiting convex grain (9) is made of an elastic component.

6. The metal seal ring structure of the angular contact ball bearing of the automobile according to claim 5, wherein the material of the limiting convex particles (9) can be rubber, silica gel or PCV material.

7. The metal seal ring structure of the angular contact ball bearing of the automobile according to claim 1, wherein the seal locking component comprises an upper limit strip (501), a seal ring (601), a bottom seal block (6012), a clamping bead (502), a clamping bead limit lug (603), a limit groove (602) and a top seal block (6011), the upper limit strip (501) and the clamping bead (502) are both fixedly arranged on the inner side surface and the outer side surface of the seal steel ring (5), and the limit groove (602) is arranged on the outer edge of the metal seal ring (6) and forms a rectangular limit groove (602).

8. The metal seal ring structure of the angular contact ball bearing of the automobile according to claim 7, wherein the seal ring (601) is fixedly arranged at the opening of the limiting groove (602), two seal rings (601) are symmetrically arranged, the top seal block (6011) is fixedly arranged above the seal ring (601), the bottom seal block (6012) is fixedly arranged below the seal ring (601), and the clamping bead limiting protrusion (603) is fixedly arranged at the side edge of the limiting groove (602).

9. The metal seal ring structure of the angular contact ball bearing of the automobile according to claim 8, wherein the top seal block (6011) is inclined outwards and upwards, the bottom seal block (6012) is inclined inwards and downwards, the seal ring (601) is made of an elastic component, and the retaining bump (603) of the clamping bead is inclined towards the inside.

10. The metal seal ring structure of the angular contact ball bearing of the automobile according to claim 9, wherein the distance from the clamping bead limiting projection (603) to the edge of the limiting groove (602) is the diameter length of the clamping bead (502), the clamping bead limiting projection (603) and the clamping bead (502) are arranged in an interference fit manner, and the elastic component of the seal ring (601) is made of rubber or silica gel.