Oil bearing end cover assembly

Abstract

The utility model provides an oil bearing end cover assembly, which relates to the technical field of oil bearing end covers and comprises an outer ring, and a sealing assembly is arranged in the outer ring. The backflow assembly comprises a sliding groove formed in the middle end in the outer ring, a backflow groove is formed in the outer ring, and an oil flowing pipe is fixedly connected to the backflow groove; wherein the two oil flowing pipes are fixedly connected to the upper end and the lower end of the outer ring, and the multiple oil outlet pipes are fixedly connected to the outer sides of the oil flowing pipes in an annular array mode; by means of the design, pressure balance and directional distribution of a lubricating oil circulation system are achieved, lubricating oil is circulated through centrifugal force during rotation, and therefore oil way blockage is effectively avoided, the thermal expansion characteristic is utilized in the sealing assembly, the internal pressure of the air cushion is increased when the temperature rises, the sealing ring generates a radial expansion compensation gap, and the sealing ring is matched with a limiting structure of the clamping groove. And a gradient type sealing barrier is formed, so that the loss of grease and the blockage of an oil return channel are effectively prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil bearing end cover technical field especially relates to oil bearing end cover assembly. BACKGROUND

[0002] In mechanical equipment, oil bearing end cover assembly is an important component, is widely used in motor, fan, car etc.

[0003] In the prior art, the oil of oil bearing is easy to lose due to high temperature, which leads to increased friction noise and affects the service life of the equipment. In addition, the oil return system design of the existing end cover is not perfect, which easily causes the blockage of the oil return channel, leading to insufficient lubrication of the bearing and further affecting the performance and reliability of the equipment.

[0004] Therefore, the utility model provides oil bearing end cover assembly. UTILITY MODEL CONTENT

[0005] The utility model discloses an oil bearing end cover assembly to solve the shortcomings in the prior art.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme: oil bearing end cover assembly, including the outer ring, the inside of outer ring is provided with sealing assembly;

[0007] The return flow assembly includes a chute opened in the middle end of the inner part of the outer ring, a return flow groove is opened in the inner part of the outer ring, and a flow oil pipe is fixedly connected to the return flow groove;

[0008] The flow oil pipe is provided with two groups and is fixedly connected to the upper and lower ends of the outer ring, the outer side of the flow oil pipe is fixedly connected with a plurality of oil outlet pipes in a ring array, and the oil outlet pipes are designed in a symmetrical manner.

[0009] The technical effect of the above technical scheme is that: by setting the return flow assembly, the return flow groove collects and guides the flow of lubricating oil, the flow oil pipe transports the lubricating oil from the return flow groove to the oil outlet pipe, and the oil outlet pipe is designed in a ring array and is symmetrical, which can uniformly distribute the lubricating oil to each working surface of the bearing under the action of centrifugal force. At the same time, the sealing assembly arranged in the inner part of the outer ring is fixed by the clamping groove, which further enhances the sealing performance, effectively prevents the lubricating oil from losing due to high temperature, and prevents foreign matter from entering the inner part of the bearing.

[0010] As a preferred embodiment, by setting the clamping groove in the sealing assembly and fixedly connecting the sealing ring to the clamping groove, the leakage of lubricating oil and the entry of foreign matter into the inner part of the bearing can be effectively prevented. The clamping groove provides a stable mounting position for the sealing ring, ensuring that the sealing ring will not shift or loosen during operation, thereby enhancing the sealing performance.

[0011] As a preferred implementation, the sealing ring is internally fixedly connected with a pressurized air cushion, and the sealing assembly is internally fixedly connected with a rotating assembly.

[0012] The technical effects of the above technical solution are that the pressurized air cushion fixedly connected inside the sealing ring can provide additional sealing pressure, further enhancing the sealing effect. The pressurized air cushion forms a pressure barrier between the sealing ring and the bearing. In addition, the rotating assembly fixedly connected inside the sealing assembly realizes low-friction rotary motion through the synergistic effect of the center sleeve, the mounting block, and the ball bearings. The center sleeve provides a stable rotation center for the ball bearings, the mounting block fixes the ball bearings and ensures their uniform distribution, and the ball bearings roll in the sliding groove.

[0013] As a preferred implementation, the rotating assembly includes a center sleeve fixedly connected inside the sealing ring, and the outer side of the center sleeve is fixedly connected to the outer ring.

[0014] The technical effects of the above technical solution are that by fixing the center sleeve of the rotating assembly inside the sealing ring and fixing its outer side to the outer ring, the sealing assembly and the rotating assembly are tightly combined and stably supported.

[0015] As a preferred implementation, the outer side of the center sleeve is fixedly connected with a mounting block, and the mounting block is internally movably connected with ball bearings in a ring array.

[0016] The technical effects of the above technical solution are that the outer side of the center sleeve is fixedly connected with a mounting block, and the mounting block is internally movably connected with ball bearings in a ring array.

[0017] As a preferred implementation, the outer side of the ball bearings is movably connected to the sliding groove inside the outer ring.

[0018] The technical effects of the above technical solution are that the ball bearings can freely roll in the sliding groove, thereby realizing low-friction rotary motion. The sliding groove provides a stable motion trajectory for the ball bearings, ensuring that the ball bearings do not deviate from the predetermined path during rotation.

[0019] Compared with the prior art, the advantages and positive effects of the present application are that:

[0020] The utility model discloses a sliding slot, the backflow tank, the oil flow pipe and the oil outlet pipe of the backflow subassembly's synergism, the backflow tank collects and guides lubricating oil flow, and the oil flow pipe transports lubricating oil to the oil outlet pipe, and the oil outlet pipe evenly distributes lubricating oil to each working surface of bearing, and the snap groove, the sealing ring and the booster air cushion of the sealing subassembly cooperate with each other, and the sealing ring prevents lubricating oil leakage and outside impurity from entering, and the booster air cushion provides additional sealing pressure, and the design realizes the pressure balance and directional distribution of lubricating oil circulation system, and the lubricating oil is circulated through centrifugal force when rotating, thereby effectively avoiding oil way blockage, and the sealing subassembly utilizes thermal expansion characteristics, and when temperature rises, the pressure in the air cushion increases, makes the sealing ring produce radial expansion compensation gap, cooperates the limiting structure of snap groove, forms gradient type sealing barrier, effectively prevents the loss of grease and the blockage of oil return channel. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the perspective view of oil bearing end cover subassembly provided by the utility model;

[0022] Figure 2 It is the internal schematic view of outer ring structure of oil bearing end cover subassembly provided by the utility model;

[0023] Figure 3 It is the structure schematic view of backflow subassembly of oil bearing end cover subassembly provided by the utility model;

[0024] Figure 4 It is the structure schematic view of oil outlet pipe of oil bearing end cover subassembly provided by the utility model;

[0025] Figure 5 It is the structure schematic view of sealing subassembly of oil bearing end cover subassembly provided by the utility model.

[0026] Legend:

[0027] 1, outer ring;

[0028] 2, backflow subassembly;21, sliding slot;22, backflow tank;23, oil flow pipe;24, oil outlet pipe;

[0029] 3, sealing subassembly;31, snap groove;32, sealing ring;33, booster air cushion;

[0030] 4, rotating subassembly;41, center sleeve;42, mounting block;43, ball. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application.

[0032] As shown in Figure 1 - Figure 4 The present embodiment provides a technical solution: an oil bearing end cover assembly, comprising an outer ring 1, a backflow assembly 2, the backflow assembly 2 comprising a sliding slot 21 opened in the middle end of the inner part of the outer ring 1, the inner part of the outer ring 1 being provided with a backflow groove 22, and the backflow groove 22 being fixedly connected with an oil flow pipe 23; wherein the oil flow pipe 23 is provided with two groups and is fixedly connected at the upper and lower ends of the outer ring 1, and the outer side of the oil flow pipe 23 is fixedly connected with a plurality of oil outlet pipes 24 in a ring array, and the oil outlet pipes 24 are designed in a symmetrical manner.

[0033] The outer ring 1 serves as the main structure of the entire oil bearing end cover assembly, and plays a supporting and fixing role, providing a basis for the installation and connection of other components, such as a sealing element or a bearing clamp, to ensure that they will not shift or loosen during operation. The sliding slot 21 is opened in the middle end of the inner part of the outer ring 1, and is used to accommodate and fix other components, such as a sealing element or a bearing clamp, to ensure that they will not shift or loosen during operation. The backflow groove 22 is opened in the inner part of the outer ring 1, and is used to collect and guide the flow of lubricating oil, ensuring that the lubricating oil can be evenly distributed to various parts of the bearing. The oil flow pipe 23 is fixedly connected to the backflow groove 22, and is used to transport lubricating oil from the backflow groove 22 to other parts that need to be lubricated. The oil outlet pipes 24 are fixedly connected to the outer side of the oil flow pipe 23 in a ring array, and are used to evenly distribute lubricating oil to various working surfaces of the bearing.

[0034] As shown in Figure 2 - Figure 5 The inner part of the outer ring 1 is provided with a sealing assembly 3, which comprises a clamping groove 31 opened at both ends of the inner wall of the outer ring 1, and a sealing ring 32 fixedly connected to the clamping groove 31. The inner part of the sealing ring 32 is fixedly connected with a pressurized air cushion 33.

[0035] The clamping groove 31 is arranged at the inner wall of the outer ring 1, and is used for fixing the sealing ring 32. The sealing ring 32 is fixed in the clamping groove 31, and is used for preventing the lubricating oil from leaking and preventing the foreign matters from entering the bearing. The sealing ring 32 is tightly fitted, and effectively prevents the lubricating oil from leaking, prevents the foreign matters such as dust and moisture from entering the bearing, improves the operation reliability and service life of the bearing, and fixes the pressurized air cushion 33 in the inside of the sealing ring 32. The pressurized air cushion 33 is used for providing additional sealing pressure, enhancing the sealing effect, and forming a pressure barrier between the sealing ring 32 and the bearing. The pressurized air cushion 33 further improves the sealing performance, reduces the leakage of the lubricating oil, provides a certain buffering effect, and reduces the influence of vibration on the sealing effect.

[0036] As shown in Figure 1 - Figure 2 The rotating assembly 4 is fixedly connected in the inside of the sealing assembly 3. The rotating assembly 4 comprises a center sleeve 41 fixedly connected in the inside of the sealing ring 32. The outer side of the center sleeve 41 is fixedly connected to the outer ring 1. The outer side of the center sleeve 41 is fixedly connected with a mounting block 42. The inside of the mounting block 42 is movably connected with a plurality of rolling balls 43 in an annular array. The outer side of the rolling ball 43 is movably connected to the sliding groove 21 in the inside of the outer ring 1.

[0037] The center sleeve 41 is fixed in the inside of the sealing ring 32, and is used for supporting and positioning, and providing a rotating center point for the rolling ball 43. The mounting block 42 is fixed to the outer side of the center sleeve 41, and is used for mounting and fixing the rolling ball 43, ensuring that the rolling ball 43 is uniformly distributed and stable. The rolling ball 43 is movably connected in the inside of the mounting block 42, and is in contact with the sliding groove 21 of the outer ring 1, and is used for reducing the friction and realizing smooth rotation.

[0038] As shown in Figure 1 - Figure 5

[0039] ​In use: first reflux component 2 start work, sliding groove 21 open in the inside end of the outer ring 1, for accommodating and fixed other components, ensure that it does not shift or loose in the process of work, backflow groove 22 open in the inside of the outer ring 1, for collecting and guiding the flow of lubricating oil, lubricating oil is guided to the oil pipe 23, oil pipe 23 fixed connection in backflow groove 22, under the centrifugal force of high speed rotation lubricating oil is transported to the outside of the oil pipe 24, oil pipe 24 is annular array type fixed connection in the outside of the oil pipe 23, lubricating oil is evenly distributed to each working surface of the bearing, at the same time, sealing assembly 3 start to play a role, clamping groove 31 open in the inner wall of the outer ring 1 both ends, for fixed sealing ring 32, ensure that the sealing ring 32 does not shift or loose in the process of work, sealing ring 32 fixed in clamping groove 31, prevent lubricating oil leakage and foreign matter into the bearing, increase pressure air cushion 33 fixed in the inside of the sealing ring 32, provide additional sealing pressure, enhance the sealing effect, and form a layer of pressure barrier between the sealing ring 32 and the bearing.

[0040] The above is only the preferred embodiment of the present application, not the other forms of the present application for other restrictions, any skilled in the art of the technical personnel may be disclosed by using the above technology content to change or modification of equivalent examples applied to other fields, but all of the above, which does not deviate from the technical scheme of the present application, according to the technical essence of the present application to the above examples of any simple modification, equivalent changes and modification, still belongs to the present application technical scheme of the protection scope.

Claims

1. An oil-impregnated bearing end cap assembly comprising an outer race (1) characterised in that: The inside of the outer ring (1) is provided with a sealing assembly (3); The backflow assembly (2) comprises a sliding groove (21) opened in the middle end of the inside of the outer ring (1), and the inside of the outer ring (1) is provided with a backflow groove (22) fixedly connected with an oil flow pipe (23); Wherein, the oil flow pipe (23) is provided with two groups and is fixedly connected at the upper and lower ends of the outer ring (1), and the outer side of the oil flow pipe (23) is fixedly connected with a plurality of oil outlet pipes (24) in a ring array, and the oil outlet pipes (24) are designed in a symmetrical manner.

2. The oil-impregnated bearing end cover assembly of claim 1, wherein: The sealing assembly (3) comprises a clamping groove (31) opened at both ends of the inner wall of the outer ring (1), and the clamping groove (31) is fixedly connected with a sealing ring (32).

3. The oil-impregnated bearing end cover assembly of claim 2, wherein: The inside of the sealing ring (32) is fixedly connected with a booster air cushion (33), and the inside of the sealing assembly (3) is fixedly connected with a rotating assembly (4).

4. The oil-impregnated bearing end cover assembly of claim 3, wherein: The rotating assembly (4) comprises a center sleeve (41) fixedly connected in the inside of the sealing ring (32), and the outer side of the center sleeve (41) is fixedly connected to the outer ring (1).

5. The oil-impregnated bearing end cover assembly of claim 4, wherein: The outer side of the center sleeve (41) is fixedly connected with a mounting block (42), and the inside of the mounting block (42) is movably connected with a plurality of rolling balls (43) in a ring array.

6. The oil-impregnated bearing end cover assembly of claim 5, wherein: The outer side of the rolling ball (43) is movably connected to the sliding groove (21) in the inside of the outer ring (1).

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