Bearing space ring capable of meeting various functional requirements

Abstract

The utility model discloses a bearing space ring capable of meeting various functional requirements, which comprises an inner space ring and an outer space ring, the inner space ring is arranged at the inner ring of the outer space ring, a space ring gap is arranged between the inner space ring and the outer space ring, an oil inlet groove is arranged on the outer ring surface of the outer space ring, an oil inlet hole is arranged in the oil inlet groove, and an oil outlet hole is arranged in the oil inlet groove. An oil injection hole set composed of two oil injection holes is formed in the side walls of the two sides of the outer space ring, the oil injection hole set is communicated with the oil inlet hole, the bearing space ring is divided into an inner space ring and an outer space ring, the inner space ring of the bearing space ring and the rotating shaft are fixed together to serve as a rotating piece, and the outer space ring of the bearing space ring is fixed to the end cover bearing chamber and communicated with an oil way of the oil inlet hole of the end cover bearing chamber. Through oil injection of an oil path, structural parts such as balls and a retainer of the bearing are lubricated, the temperature rise of the bearing is reduced, the abrasion of the bearing is reduced, the noise is reduced, and the service life of the motor bearing and the service life of the whole product are prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to a motor field, especially a bearing spacer satisfying multiple function demands. BACKGROUND

[0002] With the rapid development of permanent magnet motor technology, the market requirements for motor life are continuously improved, and as a part with higher correlation to motor life among all motor parts, the use form of bearing is also continuously innovated, bearing failure is mostly lubrication failure, bearing lubrication is divided into oil lubrication and grease lubrication, compared with grease lubrication, oil lubrication can continuously provide oil from the oil way, which can not only ensure the lubrication state, but also reduce the bearing temperature, thereby improving the bearing life and ensuring the reliability of the whole machine. SUMMARY

[0003] The main purpose of the utility model is to provide a bearing spacer satisfying multiple function demands.

[0004] To achieve the above purpose, the utility model takes the technical scheme that:

[0005] A bearing spacer satisfying multiple function demands, comprising an inner spacer and an outer spacer, the inner spacer is arranged at the inner ring of the outer spacer, a spacer gap is arranged between the inner spacer and the outer spacer, an oil inlet groove is arranged on the outer ring surface of the outer spacer, an oil inlet hole is arranged in the oil inlet groove, and an oil injection hole group composed of two oil injection holes is arranged on the two side walls of the outer spacer, and the oil injection hole group is communicated with the oil inlet hole.

[0006] Further, the thickness of the outer spacer is slightly larger than the thickness of the inner spacer.

[0007] Further, the number of the oil inlet holes is not less than two, the number of the oil injection hole groups is not less than two, and the number of the oil inlet holes is the same as that of the oil injection hole groups.

[0008] Further, oil storage grooves are arranged at the outlets of the two oil injection holes of the oil injection hole group.

[0009] Further, the spacing between the plurality of oil inlet holes is the same, and the spacing between the plurality of oil injection hole groups is also the same.

[0010] Compared with the prior art, the utility model has the beneficial effects that:

[0011] The utility model has oil way on the outer spacer of the end cover spacer, and the oil way is used for oil injection, so that the rolling balls, retainer and other structural parts of the bearing are lubricated and the bearing temperature rise is reduced, the bearing wear is reduced, the noise is reduced, the life of the motor bearing and the life of the whole machine are improved;

[0012] The inner and outer spacer rings of the bearing spacer ring are two independent parts, and a gap is formed between the two parts, the width of the outer spacer ring is slightly larger than the width of the inner spacer ring, the different width difference between the inner and outer spacer rings can exert different pre-tightening on the bearing, the bearing can be adjusted to run at different stress angles, the pre-tightening force requirement of the bearing under different working conditions can be met, and the service life of the motor bearing is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a front view of the utility model;

[0014] Fig. 2 It is a right side view of the utility model.

[0015] Reference signs

[0016] 1. inner spacer ring; 2. outer spacer ring; 3. spacer ring gap; 4. oil inlet groove; 5. oil inlet hole; 6. oil injection hole group; 7. oil storage groove. DETAILED DESCRIPTION

[0017] The advantages and characteristics of the utility model will be more easily understood by the person skilled in the art by combining the preferred embodiments of the utility model with the drawings, so that the protection scope of the utility model can be more clearly and explicitly defined.

[0018] Reference Figs. 1-2 As shown in the figure, a bearing spacer ring meeting multiple functional requirements comprises an inner spacer ring 1 and an outer spacer ring 2, the inner spacer ring 1 is arranged at the inner ring of the outer spacer ring 2, a spacer ring gap 3 is arranged between the inner spacer ring 1 and the outer spacer ring 2, an oil inlet groove 4 is formed on the outer ring surface of the outer spacer ring 2, an oil inlet hole 5 is formed in the oil inlet groove 4, an oil injection hole group 6 formed by two oil injection hole groups 6 is formed on the two side walls of the outer spacer ring 2, and the oil injection hole group 6 is in communication with the oil inlet hole 5.

[0019] The thickness of the outer spacer ring 2 is slightly larger than the thickness of the inner spacer ring 1.

[0020] The number of the oil inlet holes 5 is not less than two, the number of the oil injection hole groups 6 is not less than two, and the number of the oil inlet holes 5 is the same as that of the oil injection hole groups 6.

[0021] Oil storage grooves 7 are formed at the outlets of the two oil injection holes of the oil injection hole group 6.

[0022] The spacing between the multiple oil inlet holes 5 is the same, and the spacing between the multiple oil injection hole groups 6 is also the same.

[0023] The bearing spacer ring is divided into inner and outer spacer rings 2, the inner spacer ring 1 of the bearing spacer ring is fixed with the rotating shaft as a rotating part, the outer spacer ring 2 of the bearing spacer ring is fixed in the bearing chamber of the end cover and is connected with the oil passage of the oil inlet hole 5 of the end cover bearing chamber, the outer spacer ring 2 of the end cover spacer ring is designed with the oil inlet hole 5 and the left and right branch oil injection hole group 6, the oil outlet position of the oil injection hole group 6 is opposite to the bearings on both sides, that is, the oil injection hole group 6 is arranged between the inner and outer rings of the two bearings, the bearings are sprayed through the oil passage, so that the ball bearings, retainers and other structural parts are lubricated, the bearing temperature rise is reduced, the bearing wear is reduced, the noise is reduced, the service life of the motor bearing is improved and the service life of the whole product is improved.

[0024] Meanwhile, the inner and outer spacer rings 2 of the bearing spacer ring are two independent parts with a gap in the middle, the width of the outer spacer ring 2 of the bearing spacer ring is slightly larger than the width of the inner spacer ring 1 of the bearing spacer ring, because there is a width difference between the outer spacer ring 2 and the inner spacer ring 1 of the bearing, so after assembly, the structure has a pre-tightening force on the axial direction of the bearing, the different width difference between the inner and outer spacer rings 2 exerts different pre-tightening forces on the bearing, the bearing can be adjusted to run at different stress angles, the pre-tightening force requirement of the bearing under different working conditions can be met, and the service life of the motor bearing is improved.

[0025] The above only describes the preferred embodiments of the present application, and the protection scope of the present application is not limited to the above embodiments, but any equivalent modification or change made by those skilled in the art according to the disclosed content of the present application shall be included in the protection scope recorded in the claims.

Claims

1. A bearing spacer that meets multiple functional requirements, characterized by: The invention comprises an inner spacer (1) and an outer spacer (2), wherein the inner spacer (1) is arranged at the inner ring of the outer spacer (2), a spacer gap (3) is provided between the inner spacer (1) and the outer spacer (2), an oil inlet groove (4) is provided on the outer ring surface of the outer spacer (2), an oil inlet hole (5) is provided in the oil inlet groove (4), and an oil injection hole group (6) consisting of two oil injection hole groups (6) is provided on the side walls of both sides of the outer spacer (2), and the oil injection hole group (6) is connected to the oil inlet hole (5).

2. A bearing spacer that meets multiple functional requirements according to claim 1, characterized in that: The thickness of the outer spacer (2) is slightly greater than the thickness of the inner spacer (1).

3. The bearing spacer that meets multiple functional requirements according to claim 1, characterized in that: The number of the oil inlet holes (5) is not less than two, the number of the oil injection hole groups (6) is not less than two, and the number of the oil inlet holes (5) and the number of the oil injection hole groups (6) are the same.

4. The bearing spacer that meets multiple functional requirements according to claim 1, characterized in that: An oil storage tank (7) is provided at the outlet of each of the two oil injection holes of the oil injection hole group (6).

5. The bearing spacer that meets multiple functional requirements according to claim 3, characterized in that: The spacing between the plurality of oil inlet holes (5) is the same, and the spacing between the plurality of oil injection hole groups (6) is also the same.

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