Low-noise bearing

Abstract

The utility model relates to the field of bearings, and discloses a low-noise bearing which comprises a static ring, a movable ring is arranged in the middle of the static ring, a retainer is arranged between the static ring and the movable ring, a plurality of steel balls are arranged in the middle of the retainer, and sealing rings are arranged on the front portion and the rear portion of the static ring and the front portion and the rear portion of the movable ring. A plurality of balls are rotatably connected to the middle of the static ring, an oil storage cavity is formed in the middle of the static ring, an oil inlet is formed in the upper portion of the front side of the oil storage cavity, a first annular groove is formed in the middle of the side, close to the moving ring, of the static ring, and the steel balls are movably connected with the first annular groove. According to the bearing, the oil storage cavity is matched with the oil inlet, the mounting groove, the first annular groove, the rotating groove, the connecting opening, the steel ball and the ball, so that the bearing can stably and slightly add oil, oil can be conveniently injected into the oil storage cavity through the oil inlet, and the bearing is more practical.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing field especially relates to a low noise bearing. BACKGROUND

[0002] Bearing is a kind of element for supporting rotating or moving parts in machinery, and the main function is to reduce friction, load bearing and ensure the stability and accuracy of movement, and low noise bearing is a kind of bearing specially designed to reduce noise and vibration during operation. They are usually used in noise-sensitive applications, such as household appliances, office equipment, power tools, cars and medical equipment, etc.

[0003] Through the retrieval, China patent publication number: CN221097213U discloses a kind of low noise safety oil-containing bearing, including outer ring, the inner circle is rotatably installed in the inside of outer ring, the inner circle is equipped with mounting hole in the inside, the inner side surface of outer ring and the outer side surface of inner circle are equipped with annular groove, the inside of annular groove is rotatably connected with ball, ball is located between outer ring and inner circle, the inside of mounting hole is equipped with annular flow guide groove in the middle position, the inside of annular flow guide groove is equipped with communication hole, the communication hole is connected to one side of annular groove, the both sides of outer ring are equipped with combined recess, the inside of combined recess is clamped with protective ring, the inside of protective ring is fixedly connected with sealing ring, sealing ring is aligned with the end position of mounting hole, combined groove is connected with protective ring one storage cavity, can increase oil content, and can guide flow to ensure the comprehensiveness of lubrication, reduce noise, ensure use safety, facilitate combined use.

[0004] The above device can increase oil content and ensure lubrication effect by setting storage cavity and transverse hole, but the orifice is not provided with certain blockage, which causes the orifice to continuously discharge oil, easily causes excessive oil in bearing, and the device is not provided with oil injection hole, so that the bearing cannot conveniently inject oil into storage cavity, and is not practical enough, therefore a low noise bearing is proposed to solve the above problems. UTILITY MODEL CONTENT

[0005] In order to make up for the above shortcomings, the utility model provides a kind of low noise bearing, to improve the bearing orifice in prior art and not set certain blockage, which causes the orifice to continuously discharge oil, easily causes excessive oil in bearing, and the device is not provided with oil injection hole, so that the bearing cannot conveniently inject oil into storage cavity, and is not practical enough.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a low-noise bearing, including static ring, the middle part of static ring is provided with dynamic ring, static ring and dynamic ring are commonly provided with retainer between, the middle part of retainer is provided with steel ball and the number is plurality, the front and rear parts of static ring and dynamic ring are commonly provided with sealing ring, the middle part of static ring is rotatably connected with the plurality of ball, the middle part of static ring is provided with oil storage cavity, the front upper portion of oil storage cavity is provided with oil inlet.

[0007] As the further description of the above technical scheme:

[0008] The middle part of the side of static ring close to dynamic ring is provided with No.

[0009] As the further description of the above technical scheme:

[0010] The middle part of static ring is provided with rotary groove, and the ball is rotatably connected with the rotary groove.

[0011] As the further description of the above technical scheme:

[0012] The side close to dynamic ring of rotary groove is provided with connecting port, and the connecting port is communicated with No.

[0013] As the further description of the above technical scheme:

[0014] The middle part of the side close to static ring of dynamic ring is provided with No.

[0015] As the further description of the above technical scheme:

[0016] The side close to retainer of sealing ring is fixedly connected with framework.

[0017] As the further description of the above technical scheme:

[0018] The upper portion of the side close to retainer of sealing ring on the front side is fixedly connected with sealing block, and the sealing block is movably connected with oil inlet.

[0019] As the further description of the above technical scheme:

[0020] The side close to dynamic ring of sealing ring is provided with auxiliary ring, and the auxiliary ring is movably connected with dynamic ring.

[0021] The utility model has the following beneficial effects:

[0022] 1. The utility model discloses, through set up oil storage cavity and oil inlet, installation groove, primary ring groove, rotation groove, connecting port and the mutual cooperation between steel ball and ball, make the bearing can stably a small amount of oil operation, through setting up oil inlet can conveniently to the oiling operation in oil storage cavity, more practical.

[0023] 2. The utility model discloses, through set up sealing ring and framework, auxiliary ring, sealing block and the mutual cooperation between installation groove, oil inlet etc. Part, make the device can better seal the bearing, can effectively avoid the oil in the bearing to flow out, also can avoid the dust impurity etc. of outside into the bearing inside, more practical. DRAWINGS

[0024] Figure 1 It is a kind of low-noise bearing's overall three-dimensional structure schematic diagram that the utility model proposes;

[0025] Figure 2 It is a kind of low-noise bearing's partial section three-dimensional structure schematic diagram that the utility model proposes;

[0026] Figure 3 It is a kind of low-noise bearing's ball installation place partial section three-dimensional structure schematic diagram that the utility model proposes;

[0027] Figure 4 It is a kind of low-noise bearing's split three-dimensional structure schematic diagram that the utility model proposes.

[0028] Legend:

[0029] 1, static circle;2, moving circle;3, sealing ring;4, retainer;5, steel ball;6, ball;11, oil storage cavity;12, oil inlet;13, installation groove;14, primary ring groove;15, rotation groove;16, connecting port;21, secondary ring groove;31, framework;32, auxiliary ring;33, sealing block. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0031] Reference Figure 1 and Figure 4The utility model provides an embodiment: a low noise bearing, including static ring 1, it is used for fitting connection each part, the middle part of static ring 1 is provided with dynamic ring 2, it is used for fitting and the rotatable part such as the driving rod of equipment connection, static ring 1 and dynamic ring 2 between common setting has retainer 4, it is used for fitting the installation of steel ball 5, the middle part of retainer 4 is provided with steel ball 5 and the number is multiple, it is used for fitting the operation of bearing, the front and rear of static ring 1 and dynamic ring 2 all common setting has sealing ring 3, it is used for preventing the lubricating oil in low noise bearing from leaking out, also avoid the dust liquid etc. of outside into bearing, it can be rubber material, the middle part of static ring 1 is rotatably connected with the ball 6 and the number is multiple, it is used for fitting intermittently to steel ball 5 is oiled, to keep the lubricating degree of whole bearing, to reach the effect of reducing bearing noise.

[0032] As Figure 2 - Figure 3 The middle part of static ring 1 is provided with oil storage cavity 11, it is annular cavity, the front upper portion of oil storage cavity 11 is provided with oil inlet 12, is used for fitting and injecting oil liquid into oil storage cavity 11, the middle part of the side of static ring 1 close to dynamic ring 2 is provided with No. ring groove 14, is used for fitting the connection and operation of steel ball 5, steel ball 5 is movably connected, the front and rear of static ring 1 all are provided with installation groove 13, is used for fitting the installation of sealing ring 3, it can limit sealing ring 3, the outside of sealing ring 3 is movably connected, the middle part of static ring 1 is provided with rotary groove 15, is used for fitting the installation of ball 6, and fitting the rotation of ball 6, and there is small gap between ball 6, when ball 6 rotates, a small amount of oil liquid can be attached on ball 6 and be taken out, ball 6 is spheroid, ball 6 is rotatably connected, rotary groove 15 is communicated with oil storage cavity 11, is used for fitting the contact of ball 6 and oil liquid, the side of rotary groove 15 close to dynamic ring 2 is provided with connecting port 16, it is used for fitting the contact between steel ball 5 and ball 6, the outer wall of ball 6 closest to dynamic ring 2 can contact the outer wall of steel ball 5 closest to static ring 1, rotary groove 15 makes rotary connecting port 16 and No. ring groove 14 are communicated, when ball 6 contacts steel ball 5, ball 6 can smear oil liquid on steel ball 5.

[0033] Further, the middle part of the side of dynamic ring 2 close to static ring 1 is provided with No. ring groove 21, is used for fitting the connection and movement of steel ball 5, steel ball 5 is movably connected.

[0034] Further, the sealing ring 3 is fixedly connected with a framework 31 near one side of the retainer 4, which can be a thin metal sheet or other material, which is a circular ring, which provides certain support for the sealing ring 3, so as to ensure that the sealing ring 3 can better seal the bearing. The sealing ring 3 is fixedly connected with a sealing block 33 on the upper part of the side near the retainer 4 on the front side, which is used for blocking and sealing the oil inlet 12. The sealing block 33 is movably connected with the oil inlet 12. The sealing ring 3 is provided with an auxiliary ring 32 on the side near the moving ring 2, which is used for sealing between the static ring 1 and the moving ring 2, and is movably connected with the moving ring 2.

[0035] Working principle: when in use, the lubricating oil is injected into the oil storage cavity 11 through the oil inlet 12 during assembly of the low-noise bearing. Then, the sealing ring 3 is connected with the moving ring 2 and the static ring 1. The sealing block 33 on the sealing ring 3 on the front side is clamped into the oil inlet 12, so as to seal the oil inlet 12. The outer end of the sealing ring 3 is clamped into the mounting groove 13 of the static ring 1. At the same time, the auxiliary ring 32 of the sealing ring 3 is attached to the outside of the moving ring 2. The framework 31 can provide support for the sealing ring 3 to prevent it from deforming too much during use. When the bearing is in use, the moving ring 2 will rotate through the connected equipment. At this time, the plurality of steel balls 5 and the retainer 4 inside the moving ring 2 will also move to a certain extent. When the steel ball 5 moves to the lower part of the ball bearing 6 and contacts the outer surface of the end of the ball bearing 6 closest to the moving ring 2, the steel ball 5 will push the ball bearing 6 to a certain extent to form a certain degree of rolling. At this time, the surface of the ball bearing 6 in contact with the oil in the oil storage cavity 11 will be rolled to the connecting port 16 in communication with the rotating groove 15, so as to smear the oil on the steel ball 5, so as to ensure the lubrication of the bearing and play a noise reduction role.

[0036] Finally, it should be noted that the above description is only a preferred embodiment of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A low noise bearing comprising a static ring (1), characterized in that: The middle part of the static ring (1) is provided with a moving ring (2), the static ring (1) and the moving ring (2) are jointly provided with a retainer (4), the middle part of the retainer (4) is provided with a plurality of steel balls (5), the front and rear parts of the static ring (1) and the moving ring (2) are jointly provided with a sealing ring (3), the middle part of the static ring (1) is rotatably connected with a plurality of rolling balls (6), the middle part of the static ring (1) is provided with an oil storage cavity (11), and the front upper side of the oil storage cavity (11) is provided with an oil inlet (12).

2. A low noise bearing according to claim 1, wherein: The middle part of the static ring (1) is provided with a number ring groove (14) near the moving ring (2), the steel ball (5) is movably connected with the number ring groove (14), and the front and rear parts of the static ring (1) are provided with mounting grooves (13), and the outer side of the sealing ring (3) is movably connected with the mounting grooves (13).

3. A low noise bearing according to claim 2, wherein: The middle part of the static ring (1) is provided with a rotating groove (15), and the rolling ball (6) is rotatably connected with the rotating groove (15).

4. A low noise bearing according to claim 3, wherein: The rotating groove (15) is provided with a connecting port (16) near the moving ring (2), and the rotating groove (15) is connected with the number ring groove (14) through the connecting port (16).

5. A low noise bearing according to claim 1, wherein: The middle part of the moving ring (2) is provided with a number ring groove (21) near the static ring (1), and the steel ball (5) is movably connected with the number ring groove (21).

6. A low noise bearing according to claim 1, wherein: The sealing ring (3) is fixedly connected with a framework (31) on the side near the retainer (4).

7. A low noise bearing according to claim 1, wherein: The sealing ring (3) is fixedly connected with a sealing block (33) on the upper side near the retainer (4) on the front side, and the sealing block (33) is movably connected with the oil inlet (12).

8. A low noise bearing according to claim 1, wherein: The sealing ring (3) is provided with an auxiliary ring (32) on the side near the moving ring (2), and the auxiliary ring (32) is movably connected with the moving ring (2).

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