CN214661555U

CN214661555U - Waterproof bearing

Info

Publication number: CN214661555U
Application number: CN202120964752.5U
Authority: CN
Inventors: 唐玲云; 唐常莲; 吴利君
Original assignee: Yuyao Porter Bearing Co ltd
Current assignee: Yuyao Porter Bearing Co ltd
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2021-11-09
Anticipated expiration: 2031-05-07

Abstract

The application relates to the technical field of bearings, in particular to a waterproof bearing which comprises an inner ring, an outer ring and a sealing element arranged between the inner ring and the outer ring; the sealing element comprises an outer sealing ring fixedly connected to the inner ring and an inner sealing ring fixedly connected to the outer ring, a gap is formed between the outer sealing ring and the side face of the outer ring, a metal layer is fixedly connected to the inner edge of the inner sealing ring, and the metal layer and the inner ring are in friction fit. The inner sealing ring and the outer sealing ring are not contacted, so that more heat cannot be generated, and adhesion between the inner sealing ring and the outer sealing ring is reduced; the interior edge department of interior sealing washer is the metal level, and the frictional force between metal and the metal is less, and the heat of production is also less, and this application has the deformation that reduces the sealing member, and then prolongs the life's of this application bearing effect.

Description

Waterproof bearing

Technical Field

The application relates to the technical field of bearings, in particular to a waterproof bearing.

Background

The bearing is a member that supports the shaft, guides the rotational motion of the shaft, and receives the load transmitted from the shaft to the frame. The bearing is a fitting part and a base part which are widely used in the mechanical industry and have strict requirements, is a bearing element of a rotating shaft or a movable part of various machines, and is also a supporting element for realizing the rotation of a main machine by means of the rolling of a rolling body. In some complex environments, it is often required that the bearing have some water resistance.

With respect to the related art among the above, the inventors consider that there is a defect: the waterproof bearing in the related art is only provided with one layer of rubber sealing ring, and the friction force between the rubber sealing ring and the inner ring and the outer ring of the bearing is large, so that the bearing can generate a large amount of heat during working, the sealing ring is easy to fatigue and deform, and the service life of the bearing is shortened.

SUMMERY OF THE UTILITY MODEL

In order to reduce the deformation of sealing washer, prolong the life of bearing, this application provides a waterproof bearing.

The application provides a waterproof bearing adopts following technical scheme:

a waterproof bearing comprises an inner ring, an outer ring and a sealing element arranged between the inner ring and the outer ring; the sealing element comprises an outer sealing ring fixedly connected to the inner ring and an inner sealing ring fixedly connected to the outer ring, a gap is formed between the outer sealing ring and the side face of the outer ring, a metal layer is fixedly connected to the inner edge of the inner sealing ring, and the metal layer and the inner ring are in friction fit.

Through adopting above-mentioned technical scheme, when this application bearing during operation, the inside of sealing member is got into from the clearance between external seal circle and the outer lane to external water probably, including under the stopping of sealing washer, water can not advance like the inside of bearing, and final water can follow the clearance outflow between external seal circle and the outer lane. The inner sealing ring and the outer sealing ring are not contacted, so that more heat cannot be generated, and adhesion between the inner sealing ring and the outer sealing ring is reduced; the interior edge department of interior sealing washer is the metal level, and the frictional force between metal and the metal is less, and the heat of production is also less to reduce the deformation of sealing member, and then prolong the life of this application bearing.

Optionally, a first water bar is fixedly connected to the side surface of the inner sealing ring, which is close to the outer sealing ring, and the end part of the first water bar, which is close to the outer sealing ring, is inclined towards the outer ring.

Through adopting above-mentioned technical scheme, when outside water gets into inside the sealing member from the clearance before outer seal circle and the outer lane, first water bar can block water and flow to the inward flange from the outward flange of interior sealing washer, reduces the contact of water and the inward flange of interior sealing washer, further improves the waterproof ability of sealing member.

Optionally, a second water retaining strip is fixedly connected to the side face, close to the inner sealing ring, of the outer sealing ring, the end portion, close to the inner sealing ring, of the second water retaining strip inclines towards the outer ring, the second water retaining strip is located below the first water retaining strip, and the second water retaining strip is not in contact with the first water retaining strip.

Through adopting above-mentioned technical scheme, when the inside water intaking of sealing member is more, the work of first water bar of second water bar cooperation, further reduce the contact of water and interior sealing washer inward flange, further improve the waterproof ability of sealing member.

Optionally, the first water retaining strip and the second water retaining strip are provided with multiple groups.

Optionally, including rotor and holder, the rotor sets up in the inside of holder, be equipped with first mounting groove on the outer wall of inner circle, be equipped with the second mounting groove on the inner wall of outer lane, the rotor joint is on the inner wall of first mounting groove and second mounting groove, the inside of outer lane is equipped with the oil filler point, the oil filler point communicates with each other with the second mounting groove.

Through adopting above-mentioned technical scheme, because be equipped with the sealing member between outer lane and the inner circle, at this application bearing during operation, the staff can not lubricate for the bearing through the interval between outer lane and the inner circle, therefore the staff can lubricate for the bearing through the oil filler point to reduce the resistance of bearing during operation, improve the life of this application bearing.

Optionally, an oil filling nozzle is arranged at an oil inlet of the oil filling hole.

Through adopting above-mentioned technical scheme, when the oiling, the oil filling mouth can only allow lubricating oil to flow through the clearance between outer lane and the inner circle from the oil filler point, does not allow lubricating oil to flow out from the oil filler point, has avoided the waste of lubricating oil.

Optionally, oil filler point and oil filler point all are equipped with a plurality ofly, oil filler point and oil filler point are along the outer peripheral face equipartition that has the outer lane.

Through adopting above-mentioned technical scheme, set oil filler point and glib to a plurality ofly, the staff can make the lubricating oil distribution between outer lane and the inner circle more even when the filling lubricating oil, can improve lubricated effect.

Optionally, be equipped with on the lateral surface of outer lane and hide the groove, it is coaxial with the oil filler point to hide the groove, the oiling mouth sets up the inside in hiding the groove.

Through adopting above-mentioned technical scheme, can avoid the glib talker to expose on the lateral surface of outer lane with the glib talker setting in the inside of hiding the groove, make things convenient for the staff to install this application bearing, hide the groove simultaneously and can protect the glib talker, reduce the risk that the glib talker was damaged by the collision.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the bearing works, external water can possibly enter the sealing element from a gap between the outer sealing ring and the outer ring, under the blocking of the inner sealing ring, the water cannot enter the bearing, and finally the water can flow out from the gap between the outer sealing ring and the outer ring. The inner sealing ring and the outer sealing ring are not contacted, so that more heat cannot be generated, and adhesion between the inner sealing ring and the outer sealing ring is reduced; the inner edge of the inner sealing ring is provided with the metal layer, the friction force between metal and metal is small, and the generated heat is small, so that the deformation of the sealing element is reduced, and the service life of the bearing is further prolonged;

2. because the sealing element is arranged between the outer ring and the inner ring, when the bearing works, a worker cannot lubricate the bearing through the distance between the outer ring and the inner ring, so that the worker can lubricate the bearing through the oil injection hole, the resistance of the bearing during working is reduced, and the service life of the bearing is prolonged;

3. set up the glib talker and can avoid the glib talker to expose on the lateral surface of outer lane in the inside of hiding the groove, make things convenient for the staff to install this application bearing, hide the groove simultaneously and can protect the glib talker, reduce the risk that the glib talker was damaged by the collision.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic diagram of an internal structure of an embodiment of the present application.

Description of reference numerals: 1. an inner ring; 11. a first mounting groove; 2. an outer ring; 21. a second mounting groove; 22. an oil filler hole; 23. an oil injection nozzle; 24. hiding the groove; 3. a seal member; 31. an outer sealing ring; 311. a second water stop strip; 32. an inner seal ring; 321. a metal layer; 322. a first water bar; 4. a rotating body; 5. a cage.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a waterproof bearing. Referring to fig. 1, a waterproof bearing includes an inner ring 1, an outer ring 2, a seal 3 disposed between the inner ring 1 and the outer ring 2, a rotor 4 disposed between the inner ring 1 and the outer ring 2, and a cage 5 for stabilizing the rotor 4.

This application bearing is at the during operation, and sealing member 3 blocks the clearance between inner circle 1 and outer lane 2, and it is inside to reduce external water and the clearance that oil got into between inner circle 1 and the outer lane 2 to make this application bearing have certain waterproof ability.

Referring to fig. 2, the sealing member 3 includes an outer sealing ring 31 adhesively fixed to the outer side surface of the inner ring 1 and an inner sealing ring 32 adhesively fixed to the inner wall of the outer ring 2. A metal layer 321 is bonded at the inner edge of the inner seal ring 32, the metal layer 321 is in friction fit with the outer wall of the inner ring 1, a first water retaining strip 322 is integrally formed on the side surface, close to the outer seal ring 31, of the inner seal ring 32, and the end part, close to the outer seal ring 31, of the first water retaining strip 322 inclines upwards. A certain gap is formed between the outer edge of the outer sealing ring 31 and the outer ring 2, a second water retaining strip 311 is integrally formed on the side surface of the outer sealing ring 31 close to the inner sealing ring 32, the end part of the second water retaining strip 311 close to the inner sealing ring 32 inclines upwards, and the first water retaining strip 322 and the second water retaining strip 311 are not in contact with each other.

When external water seeps into the sealing elements 3 from the gap between the outer sealing ring 31 and the outer ring 2, the first water retaining strip 322 and the second water retaining strip 311 of the water cup block the water, so that the water is prevented from flowing into the bearing, and the bearing has certain waterproof capacity. Through first water bar 322 and second water bar 311 be equipped with the multiunit, multiunit first water bar 322 and second water bar 311 cooperate jointly to improve the waterproof ability of sealing member 3. Water seeping into the interior of the seal 3 eventually flows out of the seal 3 through the gap between the outer seal ring 31 and the outer ring 2.

When the bearing works, the outer sealing ring 31 and the inner sealing ring 32 are not in contact with each other and cannot generate friction, so that the generated heat is less, and because the metal layer 321 is in friction fit with the inner ring 1, and because the friction force between the metal and the metal is less, the generated heat between the inner sealing ring 32 and the inner ring 1 is less, so that the possibility of deformation of the sealing element 3 due to heat is reduced.

Referring to fig. 2, a first mounting groove 11 is formed in the outer wall of the inner ring 1, a second mounting groove 21 is formed in the inner wall of the outer ring 2, the first mounting groove 11 and the second mounting groove 21 are arranged oppositely, the rotor 4 is connected to the inside of the first mounting groove 11 and the inside of the second mounting groove 21 in a clamping manner, and the rotor 4 is connected to the inside of the holder 5 in a clamping manner. The structure of the retainer 5 is the prior art, and is not described in detail in this embodiment.

Seted up a plurality of oil filler points 22 on outer lane 2, oil filler point 22 communicates with each other with second mounting groove 21, has still seted up hidden groove 24 on outer lane 2, and the quantity that hides groove 24 is the same with oil filler point 22's quantity, hides groove 24 and is coaxial with oil filler point 22, has glib talker 23 at oil filler point 22's internally mounted, and glib talker 23 is located the inside of hiding groove 24, and glib talker 23 does not stretch out and hides groove 24. When the bearing works, a worker can inject lubricating oil between the inner ring 1 and the outer ring 2 through the oil injection nozzle 23 and the oil injection hole 22, and the rotating body 4 rotates for lubrication, so that the running resistance of the bearing is reduced

The implementation principle of the waterproof bearing in the embodiment of the application is as follows: this application bearing is at the during operation, and first manger plate strip 322 and second manger plate strip 311 mutually support and block water, reduce the rivers and advance this application bearing inside probably, and final water can be followed the clearance outflow between outer seal ring 31 and the outer lane 2, and at this application bearing at the in-process of work, the staff can through the inside oiling lubrication of oil filler point 23 to oil filler point 22.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A waterproof bearing, its characterized in that: comprises an inner ring (1), an outer ring (2) and a sealing element (3) arranged between the inner ring (1) and the outer ring (2); sealing member (3) are including outer sealing washer (31) and the interior sealing washer (32) of fixed connection on outer lane (2) of fixed connection on inner circle (1), be equipped with the clearance between the side of outer sealing washer (31) and outer lane (2), fixedly connected with metal level (321) on the inward flange of interior sealing washer (32), friction fit between metal level (321) and inner circle (1).

2. The water resistant bearing of claim 1 wherein: the side face, close to the outer sealing ring (31), of the inner sealing ring (32) is fixedly connected with a first water retaining strip (322), and the end portion, close to the outer sealing ring (31), of the first water retaining strip (322) inclines towards the outer ring (2).

3. A water resistant bearing according to claim 2 wherein: the outer sealing ring (31) is fixedly connected with a second water retaining strip (311) on the side face close to the inner sealing ring (32), the end part, close to the inner sealing ring (32), of the second water retaining strip (311) inclines towards the outer ring (2), the second water retaining strip (311) is located below the first water retaining strip (322), and the second water retaining strip (311) is not in contact with the first water retaining strip (322).

4. A water resistant bearing according to claim 2 or 3 wherein: the first water retaining strip (322) and the second water retaining strip (311) are provided with a plurality of groups.

5. The water resistant bearing of claim 1 wherein: including rotor (4) and holder (5), rotor (4) set up the inside in holder (5), be equipped with first mounting groove (11) on the outer wall of inner circle (1), be equipped with second mounting groove (21) on the inner wall of outer lane (2), rotor (4) joint is on the inner wall of first mounting groove (11) and second mounting groove (21), the inside of outer lane (2) is equipped with oil filler point (22), oil filler point (22) communicate with each other with second mounting groove (21).

6. The water resistant bearing of claim 5 wherein: an oil filling nozzle (23) is arranged at an oil inlet of the oil filling hole (22).

7. The water resistant bearing of claim 6 wherein: oil filler point (22) and oil filler point (23) all are equipped with a plurality ofly, oil filler point (22) and oil filler point (23) are along the outer peripheral face equipartition that has outer lane (2).

8. The water resistant bearing of claim 7 wherein: be equipped with on the lateral surface of outer lane (2) and hide groove (24), it is coaxial with oil filler point (22) to hide groove (24), oiling mouth (23) set up the inside in hiding groove (24).