CN217842402U

CN217842402U - Novel motor bearing

Info

Publication number: CN217842402U
Application number: CN202220389907.1U
Authority: CN
Inventors: 秦扬豪; 张隽菡
Original assignee: Shenzhen Rili Precision Hardware Co ltd
Current assignee: Shenzhen Rili Precision Hardware Co ltd
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-11-18
Anticipated expiration: 2032-02-25

Abstract

The utility model discloses a novel motor bearing, including the bearing frame and along the axle center axial rotate the inner ring that sets up in the bearing frame, symmetrical circular array is provided with the drainage hole on the inner ring, and the one end in drainage hole is located the oil trap that sets up in the bearing frame respectively, is provided with outer inclined plane of ring and intra-annular inclined plane on the lateral wall of inner ring, and on outer inclined plane of ring and the intra-annular inclined plane respectively the circumference array roll be provided with first roller bearing and second roller bearing, and the outer wall of ring and the ring lateral wall and the bearing frame of inner ring are kept the fixed spacing about to first roller bearing and second roller bearing. The utility model discloses a motor bearing carries lubricating oil when rotatory through the inner ring on the outer wall of drainage orifice flow direction inner ring is passed through to the centrifugal effect of inner ring rotation to from first roller bearing and the second roller bearing of outer inclined plane of outer ring of outer wall flow direction ring and intra-annular inclined plane once more, first roller bearing and second roller bearing can support the friction loss that causes when the bearing frame contacts with the bearing frame in order to reduce the inner ring.

Description

Novel motor bearing

Technical Field

The utility model relates to a bearing technical field relates to a novel motor bearing particularly.

Background

The motor bearing utilizes smooth metal balls or rollers and lubricated inner and outer ring metal surfaces to reduce friction, and the balls or rollers "bear" loads and support the motor spindle so that the rotor can rotate stably.

According to the patent number CN201820863257.3, a novel motor bearing is disclosed, comprising a motor box, stators are fixedly connected to the top and the bottom of the inner cavity of the motor box, a rotor is arranged in the inner cavity of the motor box, a fan cover is fixedly connected to the left side of the motor box, the left end of the rotor penetrates to the outer side of the motor box and is fixedly connected with a fan, the fan is positioned in the inner cavity of the fan cover, ventilation holes are formed in the left side of the motor box, the number of the ventilation holes is not less than four, an output shaft is fixedly connected to the right end of the rotor, the right end of the output shaft penetrates to the right side of the motor box, bearings are arranged on the two sides of the motor box in a penetrating manner, the inner wall of the left bearing is fixedly connected with the rotor, the inner wall of the right bearing is fixedly connected with the output shaft, cavities are formed in the top and the bottom of the outer wall of the bearing, and a connecting rod is fixedly connected to the bottom of the inner cavity, the sliding sleeve is sleeved on each of two sides of the surface of the connecting rod, the bottom of the sliding sleeve is movably connected with the bearing, the first spring is sleeved on the surface of the connecting rod, one end of the first spring is fixedly connected with the sliding sleeve, the other end of the first spring is fixedly connected with the bearing, the front surface of the sliding sleeve is fixedly connected with the connecting block, the front side of the connecting block penetrates through the front side of the bearing, the surface of the bearing is provided with a sliding hole matched with the connecting block, one side of the sliding sleeve is fixedly connected with the first wedge block, one side of the first wedge block, which is far away from the sliding sleeve, is movably connected with the second wedge block, the top of the second wedge block is fixedly connected with the clamping block, one side of the motor box, which is close to the bearing, is provided with a clamping groove matched with the clamping block, the top of the clamping block penetrates through the inner cavity of the clamping groove, and two sides of the clamping block are both fixedly connected with the connecting plates, the spring pipe is fixedly connected to the two sides of the top of the cavity inner cavity, one side, away from the clamping block, of the connecting plate penetrates through the inner cavity of the spring pipe, a second spring is fixedly connected to the bottom of the inner cavity of the spring pipe, the top of the second spring is fixedly connected with the connecting plate, and a communication hole matched with the connecting plate is formed in one side of the spring pipe.

The existing bearing cannot well lubricate lubricating oil in the bearing, the problem that partial balls or rollers are insufficient in lubrication degree due to centrifugal rotation of the lubricating oil and the like can occur in the motor bearing in long-time use, and the friction force in the bearing is increased to a certain extent, so that the transmission efficiency of the bearing is reduced.

Disclosure of Invention

The utility model aims at providing a novel motor bearing, the inside frictional force of reduction bearing that can be better to lubricating oil in it can be in the use of bearing more even flow direction ball or roller.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a novel motor bearing, includes the bearing frame and sets up the inner ring in the bearing frame along axle center axial rotation, symmetrical circular array is provided with the drainage hole on the inner ring, and the one end in drainage hole is located the oil trap that sets up respectively in the bearing frame, be provided with outer inclined plane of ring and intra-annular inclined plane on the lateral wall of inner ring, and on outer inclined plane of ring and intra-annular inclined plane respectively the circumference array roll be provided with first roller bearing and second roller bearing, and first roller bearing and second roller bearing order about the ring outer wall and the ring lateral wall and the bearing frame of inner ring and keep the fixed spacing.

Preferably, the oil sumps are symmetrically arranged on the inner side of the bearing seat ring.

Preferably, one end of the drainage hole opposite to the oil collecting groove is positioned on the outer wall of the inner ring.

Preferably, the first roller and the second roller are respectively and axially rotatably arranged on the side wall of the inner ring. In the technical scheme, the utility model provides a pair of novel motor bearing possesses following beneficial effect: the drainage holes are formed in the inner ring in a symmetrical circular array mode, one end of each drainage hole is located in an oil collecting groove formed in the bearing seat, when the inner ring rotates, lubricating oil can be carried to flow to the outer wall of the inner ring through the drainage holes due to the centrifugal effect of the rotation of the inner ring, the outer wall flows to the outer inclined surface of the inner ring and the inner inclined surface of the inner ring again from the outer wall, meanwhile, the first roller and the second roller are arranged on the outer inclined surface of the ring and the inner inclined surface of the ring in a rolling mode in a circumferential array mode respectively, the first roller and the second roller are connected with the inner wall of the bearing seat in a rolling mode, meanwhile, the bearing seat can be supported by the first roller and the second roller only to be in contact with the first roller and the second roller, the outer wall of the ring and the inner wall of the bearing seat are kept at fixed intervals, friction loss caused by the contact of the inner ring and the bearing seat is avoided, and transmission efficiency of the bearing seat is improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of a sectional structure of a bearing seat according to an embodiment of the present invention;

fig. 2 is a schematic sectional view of a bearing seat according to an embodiment of the present invention.

Description of the reference numerals:

1. an inner ring; 2. a bearing seat; 3. a first roller; 4. a second roller; 11. a drainage hole; 12. perforating; 13. an inner inclined surface of the ring; 14. an outer inclined surface of the ring; 21. an oil sump.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1-2, a novel motor bearing comprises a bearing seat 2 and an inner ring 1 arranged in the bearing seat 2 in an axial rotation manner along an axis, wherein the inner ring 1 is provided with drainage holes 11 in a symmetrical circular array manner, one ends of the drainage holes 11 are respectively located in oil collecting grooves 21 arranged in the bearing seat 2, an outer inclined surface 14 and an inner inclined surface 13 are arranged on the side wall of the inner ring 1, a first roller 3 and a second roller 4 are respectively arranged on the outer inclined surface 14 and the inner inclined surface 13 in a circumferential array manner in a rolling manner, and the outer wall and the side wall of the inner ring 1 are driven by the first roller 3 and the second roller 4 to keep a fixed distance with the bearing seat 2. The drainage holes 11 are symmetrically arranged on the inner ring 1 in a circular array mode, and one end of each drainage hole 11 is located in the oil collecting groove 21 formed in the bearing seat 2 respectively, so that when the inner ring 1 rotates, lubricating oil can be carried by the inner ring 1 to flow to the outer wall of the inner ring 1 through the drainage holes 11 due to the rotating centrifugal effect of the inner ring 1 and flow to the outer annular inclined surface 14 and the inner annular inclined surface 13 formed in the side wall of the inner ring 1 again from the outer wall, meanwhile, the first roller 3 and the second roller 4 are arranged on the outer annular inclined surface 14 and the inner annular inclined surface 13 in a circular array rolling mode respectively, the first roller 3 and the second roller 4 are in rolling connection with the inner wall of the bearing seat 2, meanwhile, the first roller 3 and the second roller 4 can only contact with the bearing seat 2 through supporting shafts, the outer annular wall and the annular side wall of the inner ring 1 keep a fixed distance from the inner wall of the bearing seat 2, friction loss caused by the contact of the inner ring 1 and the bearing seat 2 is avoided, and the transmission efficiency of the inner ring is improved.

As shown in fig. 1, as a further technical solution of the present invention, in order to make the first roller 3 and the second roller 4 on both sides of the inner ring 1 evenly paint the lubricating oil, the oil collecting groove 21 is symmetrically arranged on the inner side of the bearing seat 2.

Further, in order to allow the lubricating oil to be centrifuged to the outer wall of the inner ring 1 by the rotation of the inner ring 1, one end of the drainage hole 11 opposite to the oil sump 21 is positioned on the outer wall of the inner ring 1, and the lubricating oil can be caused to flow to the outer wall of the inner ring 1 by the rotation of the inner ring 1.

Further, the first roller 3 and the second roller 4 are axially rotatably disposed on the side wall of the inner ring 1, respectively.

The working principle is as follows: an output shaft of a motor penetrates through a through hole 12 fixedly formed in an inner ring 1, drainage holes 11 are formed in the inner ring 1 in a symmetrical circular array mode, one end of each drainage hole 11 is located in an oil collecting groove 21 formed in a bearing seat 2, and one end, opposite to the oil collecting groove 21, of each drainage hole 11 is located on the outer wall of the inner ring 1, so that when the inner ring 1 rotates, lubricating oil can be carried to flow to the outer wall of the inner ring 1 through the drainage holes 11 under the action of rotation centrifugation of the inner ring 1, and flow to an outer annular inclined surface 14 and an inner annular inclined surface 13 formed in the side wall of the inner ring 1 again from the outer wall, the inner ring 1 is uniformly lubricated, meanwhile, first rollers 3 and second rollers 4 are arranged on the outer annular inclined surface 14 and the inner annular inclined surface 13 in a rolling mode in a circular array mode respectively, the first rollers 3 and the second rollers 4 are connected with the inner wall of the bearing seat 2 in a rolling mode, meanwhile, the first rollers 3 and the second rollers 4 can support the bearing seat 2 to be in contact with the bearing seat 2, accordingly the outer wall of the inner ring 1 and the inner wall of the bearing seat 2 keep a fixed distance, friction loss caused by the contact of the inner ring 1 and the bearing seat 2 is avoided, and transmission efficiency of the bearing seat is improved.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive on the scope of the appended claims.

Claims

1. The utility model provides a novel motor bearing, its characterized in that includes bearing frame (2) and sets up inner ring (1) in bearing frame (2) along axle center axial rotation, symmetrical circular array is provided with drainage hole (11) on inner ring (1), and the one end of drainage hole (11) is located oil sump (21) that set up in bearing frame (2) respectively, be provided with outer inclined plane of ring (14) and intra-annular inclined plane (13) on the lateral wall of inner ring (1), and on outer inclined plane of ring (14) and intra-annular inclined plane (13) respectively the circumference array roll be provided with first roller bearing (3) and second roller bearing (4), and first roller bearing (3) and second roller bearing (4) order about the ring outer wall and the ring lateral wall and bearing frame (2) of inner ring (1) and keep the fixed spacing.

2. A new motor bearing according to claim 1, characterized in that the oil sumps (21) are symmetrically arranged inside the ring of the bearing housing (2).

3. A novel motor bearing according to claim 1, characterized in that the end of the drainage hole (11) opposite to the oil sump (21) is located on the outer wall of the inner ring (1).

4. The novel motor bearing according to claim 1, characterized in that the first roller (3) and the second roller (4) are respectively axially rotatably arranged on the side wall of the inner ring (1).