CN218266807U

CN218266807U - Low-noise bearing

Info

Publication number: CN218266807U
Application number: CN202222574311.1U
Authority: CN
Inventors: 吕国平
Original assignee: Xinchang Jiangji Bearing Co ltd
Current assignee: Xinchang Jiangji Bearing Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-01-10
Anticipated expiration: 2032-09-27

Abstract

The utility model relates to a bearing technology field just discloses a low noise bearing. The utility model discloses a bearing inner race, bearing inner race's inner wall is fixed to be equipped with annular mount, the wearing layer has been cup jointed to the inner wall of annular mount, the inner wall of wearing layer rotates and is connected with annular lock ring, the spacing groove has been seted up along annular lock ring's outer, the inner wall roll connection of spacing groove has the ball. Through the annular mount that sets up, inhale the sound groove, annular lock ring, the wearing layer, the bearing inner circle device, make this inhale the sound bearing can absorb the noise that this bearing operation produced through inhaling the sound groove at the operation in-process, thereby play the effect of making an uproar, utilize the contact between wearing layer and the ball simultaneously, not only can improve the rolling speed of ball, improve the rotational speed of bearing, can also effectively reduce the ball, the annular mount, the degree of wear between bearing outer lane and the bearing inner circle, and then extension fixture's life, the use cost of reduction device.

Description

Low-noise bearing

Technical Field

The utility model belongs to the technical field of the bearing, specifically be a low noise bearing.

Background

The bearing is an important part which can be utilized in modern equipment, and because part of the equipment needs to be fixed and can also rotate, the bearing needs to be assembled to achieve the effect, and the use of the bearing not only can play a role of fixing the position and rotating, but also can reduce the friction coefficient when the part moves, thereby improving the rotation precision and the rotation speed of the device.

Traditional bearing is in the use, because the inside of bearing realizes the transmission effect through the cooperation of ball and inner bearing outer lane, and do not set up the structure that reduces friction and inhale the sound in traditional bearing, consequently the ball can contact with the inner bearing outer lane when rolling in the long-time use of sending out, thereby the degree of wear of ball and inner bearing outer lane has been increased, simultaneously because the inside back of using for a long time of traditional bearing, the bearing behind the high friction can produce the heat, thereby make and produce certain resistance between the inner bearing outer lane, be unfavorable for the bearing operation, we have proposed a low noise bearing for this reason.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a low noise bearing possesses and can effectively reduce the bearing wearing and tearing degree, and can the person of facilitating the use lubricate bearing oil addition to improve bearing operating efficiency's advantage, it is lower to have solved traditional bearing life, and the bearing produces the resistance after using for a long time, leads to the rotational speed reduction problem.

The utility model provides a low noise bearing, includes the bearing inner race, the inner wall fixed assembly of bearing inner race has annular mount, the inner wall fixed of annular mount has cup jointed the wearing layer, the inner wall of wearing layer rotates and is connected with annular lock ring, the spacing groove has been seted up along the outer of annular lock ring, the inner wall roll connection of spacing groove has the ball, first lubrication groove has been seted up to the inner wall of bearing inner race, the inner wall fixed assembly of annular lock ring has the bearing inner race, the both sides of annular mount all fixed assembly have the fixed block, sound absorption groove has been seted up to the inner wall of annular mount.

The quantity of annular mount is three, and the inner wall evenly distributed of bearing inner race is all followed to three annular mount, the outer wall fixed assembly of fixed block has the second spacing collar, the fixed slot has all been seted up along the outer edge of second spacing collar both sides, and the shape on the outer edge of fixed slot inner wall and fixed block is corresponding, bearing inner race and bearing inner race all form through the preparation of zinc-plated metal, the fixed block forms through the preparation of aluminum alloy material.

And a second lubricating groove is formed in the outer edge of the bearing inner ring, and lubricating oil is filled in the inner walls of the first lubricating groove and the second lubricating groove.

The annular support ring and the balls are all prepared from ceramic materials, and the outer edges of the balls are respectively in rolling connection with the limiting grooves and the inner wall of the annular support ring.

The annular fixing frame is made of industrial nylon A66 and P66 materials, and the shape of the inner wall of the first lubricating groove is semicircular.

The inner wall of first lubrication groove is the screw thread form along the inner wall of bearing inner race and distributes, the inner wall of spacing groove bonds and has the ceramic layer, and the outer edge of ceramic layer and the outer rolling connection that follows of ball, the quantity of ball is six, and six balls all follow the inner wall evenly distributed of spacing groove.

The utility model discloses possess following beneficial effect:

1. the utility model discloses the annular mount that the low noise bearing is through setting up, inhale the sound groove, annular lock ring, the wearing layer, the bearing inner race device, make this inhale the sound bearing can be through inhaling the noise absorption that the sound groove produced this bearing operation at the operation in-process, thereby play the effect of making an uproar, utilize the contact between wearing layer and the ball simultaneously, not only can improve the rolling speed of ball, improve the rotational speed of bearing, can also effectively reduce the ball, annular mount, the degree of wear between bearing inner race and the bearing inner race, and then the life of extension fixture, the use cost of reduction device.

2. The utility model discloses the low noise bearing is through the first lubrication groove and the second lubrication groove that set up for this bearing is after long-time the use, and the inner wall in the first lubrication groove of user's accessible and second lubrication groove adds lubricating oil when the rotational speed is lower, thereby produced heat leads to the probability that the resistance increases when reducing the device operation, and then improves this rotational speed of inhaling the sound bearing, further improves the operating efficiency of device.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a schematic side view of the present invention.

Fig. 3 is a schematic side sectional view of the structure of the present invention.

Fig. 4 is an enlarged schematic view of a point a in the structure diagram 3 of the present invention.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

Referring to fig. 1-4, the low noise bearing of this embodiment includes a bearing outer ring 1, an annular fixing frame 2 is fixedly assembled on an inner wall of the bearing outer ring 1, a wear-resistant layer 4 is fixedly sleeved on an inner wall of the annular fixing frame 2, an inner wall of the wear-resistant layer 4 is rotatably connected with an annular supporting ring 3, a limiting groove 10 is formed on an outer edge of the annular supporting ring 3, a ball 9 is connected to an inner wall of the limiting groove 10 in a rolling manner, a first lubricating groove 8 is formed on an inner wall of the bearing outer ring 1, a bearing inner ring 5 is fixedly assembled on an inner wall of the annular supporting ring 3, fixing blocks 6 are fixedly assembled on both sides of the annular fixing frame 2, a sound absorbing groove 7 is formed on an inner wall of the annular fixing frame 2, and the sound absorbing groove 7 is formed by the fixing blocks 6 and the sound absorbing groove 7.

Wherein, the quantity of annular mount 2 is three, and 1 inner wall evenly distributed of bearing inner race is all followed to three annular mount 2, the outer wall fixed assembly of fixed block 6 is equipped with the second spacing collar, the fixed slot has all been seted up along the outer edge of second spacing collar both sides, and the shape on fixed slot inner wall is corresponding with the shape on fixed block 6 outer edge, bearing inner race 1 and bearing inner race 5 are all formed through zinc-plated metal preparation, fixed block 6 forms through aluminum alloy material preparation, annular mount 2 can cooperate with sound absorption groove 7 at the operation in-process, thereby realize the absorptive effect of noise, annular brace rod 3 can be fixed to the second spacing collar simultaneously, thereby realize reducing ball 9, the effect of 5 wearing degrees of bearing inner race 1 and bearing inner race, extension fixture's life.

Wherein, the second lubrication groove has been seted up along the outer of bearing inner race 5, and the inner wall in first lubrication groove 8 and second lubrication groove all fills has lubricating oil, and the second lubrication groove can be carried the lubricating oil that the inner wall was filled to between bearing inner race 5 and the annular brace ring 3 to effectively reduce the resistance of device, and then improve this sound bearing's rotational speed of inhaling.

Wherein, annular lock ring 3 and ball 9 all form through ceramic material preparation, the outer edge of ball 9 respectively with spacing groove 10 and annular lock ring 3's inner wall roll connection, ceramic material has smooth and corrosion-resistant and stand wear and tear characteristic, can promote ball 9's rolling speed maximize when the operation, can effectively reduce annular lock ring 3's degree of wear simultaneously, extension annular lock ring 3's life.

Wherein, annular mount 2 is formed through industry nylon A66 and P66 material preparation, and the shape of the 8 inner walls in first lubrication groove sets up to semi-circular, and industry nylon A66 and P66 all have good wearability, self-lubricating and noiseless characteristic, can cooperate with lubricating oil, further improve the rotational speed of device, the production that simultaneously can synchronous noise reduction.

Wherein, the inner wall of first lubrication groove 8 is the screw thread form along bearing inner race 1's inner wall and distributes, spacing groove 10's inner wall bonds there is the ceramic layer, and the outer edge of ceramic layer and ball 9 along rolling connection outward, the quantity of ball 9 is six, and six ball 9 all follow spacing groove 10's inner wall evenly distributed, lubricating oil can be carried simultaneously to the inner wall of first lubrication groove 8 and second lubrication groove, realize the effect that reduces the device resistance, can improve ball 9's roll efficiency simultaneously, improve the rotational speed of device.

Theory of operation, at first will this attract the bearing installation back that finishes, in the device operation process, ceramic layer and ball 9 of ceramic material can be because glossy surface, simultaneously through the lubrication action of lubricating oil, the rotational speed of the hoisting device of maximize to make the device can rotate with maximum rotational speed 30000 r/min's speed, when the rotational speed reduces, need through first lubrication groove 8 and second lubrication groove to this inhale the inside of sound bearing add lubricating oil until resume 30000r/min can.

Claims

1. The utility model provides a low noise bearing, includes bearing inner race (1), its characterized in that: the inner wall fixed mounting of bearing inner race (1) has annular mount (2), wearing layer (4) have been cup jointed to the inner wall of annular mount (2) fixed, the inner wall of wearing layer (4) rotates and is connected with annular lock ring (3), spacing groove (10) have been seted up along the outer of annular lock ring (3), the inner wall roll connection of spacing groove (10) has ball (9), first lubrication groove (8) have been seted up to the inner wall of bearing inner race (1), the inner wall fixed mounting of annular lock ring (3) has bearing inner race (5), the both sides of annular mount (2) all fixed be equipped with fixed block (6), sound absorption groove (7) have been seted up to the inner wall of annular mount (2).

2. A low noise bearing according to claim 1, wherein: the quantity of annular mount (2) is three, and the inner wall evenly distributed of bearing inner race (1) is all followed in three annular mount (2), the outer wall fixed mounting of fixed block (6) has the second spacing collar, the outer edge of second spacing collar both sides has all been seted up the fixed slot, and the shape on the shape of fixed slot inner wall and fixed block (6) outer edge is corresponding, bearing inner race (1) and bearing inner race (5) all form through the zinc-plated metal preparation, fixed block (6) form through the aluminum alloy preparation.

3. A low noise bearing according to claim 2, wherein: bearing inner race (5) outer along having seted up the second lubrication groove, and the inner wall in first lubrication groove (8) and second lubrication groove all fills has lubricating oil, the quantity of inhaling sound groove (7) is thirty, and thirty inhale sound groove (7) and all be comb shape structure along the outer evenly distributed of following of annular mount (2), inhale the inner wall of sound groove (7) and the outer overlap joint of following of wearing layer (4).

4. A low noise bearing according to claim 2 or 3, wherein: annular brace ring (3) and ball (9) all make the shaping through the pottery, the outer edge of ball (9) respectively with the inner wall roll connection of spacing groove (10) and annular brace ring (3), the shape on the outer edge of fixed block (6) sets up to circular-arc, and the outer edge of fixed block (6) closely laminates with the inner wall of fixed slot.

5. A low noise bearing according to claim 4, wherein: the shape of first lubrication groove (8) inner wall sets up to semi-circular, the outer edge of fixed block (6) has all seted up the thread groove with the inner wall of fixed slot, and the inner wall threaded connection of thread groove has the screw.

6. A low noise bearing according to claim 1, 4 or 5, wherein: the inner wall of first lubrication groove (8) is the screw thread form along the inner wall of bearing inner race (1) and distributes, the inner wall of spacing groove (10) bonds and has the ceramic layer, and the outer edge of ceramic layer with ball (9) along rolling connection outward, the quantity of ball (9) is six, and six ball (9) all along the inner wall evenly distributed of spacing groove (10).