Split type motor shaft sleeve

Abstract

The utility model provides a split type motor shaft sleeve. The split type motor shaft sleeve comprises a main sleeve and an auxiliary sleeve. The split type motor shaft sleeve provided by the utility model is provided with the main sleeve and the auxiliary sleeve, the main sleeve can be in interference fit with the connecting hole arranged on the motor shell and can abut against the inner wall of the motor shell through the first positioning part, and the auxiliary sleeve can be in interference fit with the connecting hole arranged on the shell of other equipment. The second positioning part can abut against the inner wall of a shell of other equipment, the main sleeve can be detachably connected with the auxiliary sleeve, time and labor are saved in the disassembly and assembly process, and adaptability and practicability are good.

Description

Technical Field

[0001] The utility model belongs to the technical field of motor auxiliary connection, and in particular relates to a split motor shaft sleeve. Background Art

[0002] The motor sleeve is a mechanical accessory used to connect or support the motor shaft to transmit torque or for positioning. It is usually used to determine the position of the shaft during assembly, maintain alignment, prevent shaft deviation, reduce direct contact between the shaft and other components, and reduce wear. The sleeve usually has an interference fit with other components and a clearance fit with the motor shaft.

[0003] In the prior art, a shaft sleeve is usually installed at the position where the motor shaft is connected to the motor housing to avoid direct contact between the motor shaft and the motor housing. When the output end of the motor shaft is connected to other equipment (for example, a gear reducer), the housing of the other equipment and the motor housing abut against each other, and the shaft sleeve needs to be connected to the housing of the other equipment. This structure is time-consuming and labor-intensive to install, and a gap will be left between the motor housing and the housing of the other equipment, which will generate vibration during transmission. In addition, the disassembly and assembly process is time-consuming and labor-intensive, and has poor adaptability and practicality. Utility Model Content

[0004] The embodiment of the utility model provides a split motor shaft sleeve, aiming to solve the problems of difficult assembly and disassembly, poor adaptability and poor practicality of the existing shaft sleeve connection method.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide a split motor sleeve, comprising:

[0006] A main sleeve is sleeved on the motor shaft, and is used to be connected with a connecting hole provided on the motor housing by interference fit. One end of the main sleeve has a first positioning portion, and the first positioning portion abuts against the inner wall of the motor housing. The other end of the main sleeve extends into the connecting hole of the motor housing.

[0007] A secondary sleeve is sleeved on the motor shaft, and is used to be connected with a connecting hole provided on a housing of other equipment by interference fit. One end of the secondary sleeve has a second positioning portion, and the second positioning portion abuts against the inner wall of the housing of the other equipment. The other end of the secondary sleeve extends into the connecting hole of the housing of the other equipment.

[0008] Wherein, the ends of the main sleeve and the auxiliary sleeve extending into the motor housing and other equipment housings are provided with a first connecting portion and a second connecting portion which are mutually matched and detachably connected.

[0009] In a possible implementation, the main sleeve is provided with a first limiting ring and a first connecting structure, the first limiting ring is arranged at one end of the main sleeve and abuts against the side wall of the motor housing, the first connecting structure is arranged at the other end of the main sleeve, extends into the connecting hole of the motor housing, and extends out from the connecting hole of the motor housing, the first limiting ring is the first positioning part, and the first connecting structure is the first connecting part.

[0010] In a possible implementation, a second limiting ring and a second connecting structure are provided on the auxiliary sleeve, the second limiting ring is arranged at one end of the auxiliary sleeve and abuts against the side wall of the other device housing, the second connecting structure is arranged at the other end of the auxiliary sleeve, extends into the connecting hole of the other device housing, and extends out from the connecting hole of the other device housing, and is detachably connected to the first connecting structure, the second limiting ring is the second positioning part, and the second connecting structure is the second connecting part.

[0011] In a possible implementation manner, the first connection structure and the second connection structure are threaded connections.

[0012] In a possible implementation, the main sleeve and the auxiliary sleeve are both provided with an oil filling port and a lubrication groove, the two oil filling ports are respectively arranged on the first limiting ring and the second limiting ring, and the lubrication grooves on the main sleeve and the auxiliary sleeve are interconnected.

[0013] In a possible implementation, each of the lubrication grooves is communicated with the corresponding oil filling port, each of the lubrication grooves has a spiral section and a straight section, the spiral section has a plurality of spiral grooves, the plurality of spiral grooves are cross-circled, and the straight section is communicated with the plurality of spiral grooves;

[0014] Wherein, the straight sections of the two lubrication grooves are connected to each other.

[0015] In a possible implementation, the main sleeve and the secondary sleeve are both made of copper.

[0016] In this implementation, compared with the prior art, a main sleeve and a secondary sleeve are provided; the main sleeve can be interference fit with the connecting hole provided on the motor housing, and can be abutted against the inner wall of the motor housing through a first positioning portion; the secondary sleeve can be interference fit with the connecting hole provided on the housing of other equipment, and can be abutted against the inner wall of the housing of other equipment through a second positioning portion; the main sleeve can be detachably connected to the secondary sleeve, and the disassembly and assembly process saves time and effort, and has good adaptability and practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the structure of a split motor sleeve provided in an embodiment of the utility model;

[0018] Description of reference numerals:

[0019] 10. Main sleeve; 11. First limiting ring; 12. First connecting structure; 20. Secondary sleeve; 21. Second limiting ring; 22. Second connecting structure; 30. Oil filling port; 40. Lubrication groove. DETAILED DESCRIPTION

[0020] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0021] Please also read Figure 1 , the split motor shaft sleeve provided by the utility model is now described. The split motor shaft sleeve includes: a main sleeve 10 and a secondary sleeve 20. The main sleeve 10 is sleeved on the motor shaft, and the main sleeve 10 is used to be connected with the connecting hole provided on the motor housing by interference fit. One end of the main sleeve 10 has a first positioning portion, and the first positioning portion abuts on the inner wall of the motor housing, and the other end of the main sleeve 10 extends into the connecting hole of the motor housing. The secondary sleeve 20 is sleeved on the motor shaft, and the secondary sleeve 20 is used to be connected with the connecting hole provided on the housing of other equipment by interference fit. One end of the secondary sleeve 20 has a second positioning portion, and the second positioning portion abuts on the inner wall of the housing of other equipment, and the other end of the secondary sleeve 20 extends into the connecting hole of the housing of other equipment.

[0022] The ends of the main sleeve 10 and the auxiliary sleeve 20 extending into the motor housing and other equipment housings are provided with a first connecting portion and a second connecting portion which are mutually matched and detachably connected.

[0023] Compared with the prior art, the split motor shaft sleeve provided in this embodiment is provided with a main sleeve 10 and a secondary sleeve 20. The main sleeve 10 can be interference fit with the connecting hole provided on the motor housing, and can abut against the inner wall of the motor housing through a first positioning portion. The secondary sleeve 20 can be interference fit with the connecting hole provided on the housing of other equipment, and can abut against the inner wall of the housing of other equipment through a second positioning portion. The main sleeve 10 can be detachably connected to the secondary sleeve 20, and the disassembly and assembly process saves time and effort, and has good adaptability and practicality.

[0024] In some embodiments, the main sleeve 10 may be Figure 1 See the structure shown. Figure 1A first limiting ring 11 and a first connecting structure 12 are provided on the main sleeve 10. The first limiting ring 11 is arranged at one end of the main sleeve 10 and abuts against the side wall of the motor housing. The first connecting structure 12 is arranged at the other end of the main sleeve 10, extends into the connecting hole of the motor housing, and extends out from the connecting hole of the motor housing. The first limiting ring 11 is a first positioning portion, and the first connecting structure 12 is a first connecting portion.

[0025] The first limiting ring 11 of the main sleeve 10 can be understood as an annular protrusion provided at one end of the main sleeve 10, which can abut against the side wall of the motor housing. The first connecting structure 12 can be understood as a connecting piece connected to the second connecting part, which can be a threaded sleeve or a tongue-and-groove connection.

[0026] In some embodiments, the secondary sleeve 20 may be Figure 1 See the structure shown. Figure 1 A second limiting ring 21 and a second connecting structure 22 are provided on the auxiliary sleeve 20. The second limiting ring 21 is arranged at one end of the auxiliary sleeve 20 and abuts against the side wall of the housing of other equipment. The second connecting structure 22 is arranged at the other end of the auxiliary sleeve 20, extends into the connecting hole of the housing of other equipment, and extends out from the connecting hole of the housing of other equipment, and is detachably connected to the first connecting structure 12. The second limiting ring 21 is the second positioning part, and the second connecting structure 22 is the second connecting part.

[0027] The second limiting ring 21 of the auxiliary sleeve 20 can be understood as an annular protrusion provided at one end of the auxiliary sleeve 20, which can abut against the side wall of the outer shell of other equipment. The second connecting structure 22 can be understood as a connecting piece connected to the first connecting structure 12, which can be a threaded sleeve or a tongue-and-groove connection.

[0028] Tongue-and-groove butt joint is a common pipe connection method in construction and civil engineering, especially suitable for concrete drainage pipe systems. Tongue-and-groove butt joint connects the tenon at one end of the pipe with the mortise at the other end of the pipe. Tongue-and-groove butt joint is an existing technology and will not be described in detail here.

[0029] In some embodiments, the first connection structure 12 may be configured as follows: Figure 1 See the structure shown. Figure 1 The first connection structure 12 and the second connection structure 22 are threaded connections.

[0030] Threaded connection is a detachable fixed connection method widely used in the field of mechanical engineering. It is characterized by simple structure, reliable connection and convenient assembly and disassembly.

[0031] In some embodiments, the main sleeve 10 may be Figure 1 See the structure shown. Figure 1Both the main sleeve 10 and the auxiliary sleeve 20 are provided with an oil filling port 30 and a lubrication groove 40. The two oil filling ports 30 are respectively arranged on the first limiting ring 11 and the second limiting ring 21. The lubrication grooves 40 on the main sleeve 10 and the auxiliary sleeve 20 are interconnected.

[0032] The oil filling port 30 may be communicated with the lubrication groove 40 , and oil may be filled into the lubrication groove 40 through the oil filling port 30 to lubricate the inner walls of the main sleeve 10 and the auxiliary sleeve 20 .

[0033] In some embodiments, the lubrication groove 40 may be formed as follows: Figure 1 See the structure shown. Figure 1 Each lubrication groove 40 is connected to the corresponding oil filling port 30, and each lubrication groove 40 has a spiral section and a straight section. The spiral section has a plurality of spiral grooves, and the plurality of spiral grooves are cross-surrounded, and the straight section is connected to the plurality of spiral grooves.

[0034] The straight sections of the two lubrication grooves 40 are connected to each other.

[0035] In some embodiments, the main sleeve 10 may be Figure 1 See the structure shown. Figure 1 The main sleeve 10 and the auxiliary sleeve 20 are both made of copper.

[0036] Copper sleeves, also known as copper shaft sleeves, are divided into many types, including copper rollers for machines, copper bearings, etc. They are used in various light, large and heavy machinery and are important components of machinery.

[0037] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. Split motor sleeve, characterized in that: include: A main sleeve is sleeved on the motor shaft, and is used to be connected with a connecting hole provided on the motor housing by interference fit. One end of the main sleeve has a first positioning portion, and the first positioning portion abuts against the inner wall of the motor housing. The other end of the main sleeve extends into the connecting hole of the motor housing. A secondary sleeve is sleeved on the motor shaft, and is used to be connected with a connecting hole provided on a housing of other equipment by interference fit. One end of the secondary sleeve has a second positioning portion, and the second positioning portion abuts against the inner wall of the housing of the other equipment. The other end of the secondary sleeve extends into the connecting hole of the housing of the other equipment. Wherein, the ends of the main sleeve and the auxiliary sleeve extending into the motor housing and other equipment housings are provided with a first connecting portion and a second connecting portion which are mutually matched and detachably connected.

2. The split motor sleeve according to claim 1, characterized in that: The main sleeve is provided with a first limiting ring and a first connecting structure. The first limiting ring is arranged at one end of the main sleeve and abuts against the side wall of the motor housing. The first connecting structure is arranged at the other end of the main sleeve, extends into the connecting hole of the motor housing, and extends out from the connecting hole of the motor housing. The first limiting ring is the first positioning part, and the first connecting structure is the first connecting part.

3. The split motor sleeve according to claim 2, characterized in that: The auxiliary sleeve is provided with a second limiting ring and a second connecting structure. The second limiting ring is arranged at one end of the auxiliary sleeve and abuts against the side wall of the other device casing. The second connecting structure is arranged at the other end of the auxiliary sleeve, extends into the connecting hole of the other device casing, and extends out from the connecting hole of the other device casing, and is detachably connected to the first connecting structure. The second limiting ring is the second positioning part, and the second connecting structure is the second connecting part.

4. The split motor sleeve according to claim 3, characterized in that: The first connection structure and the second connection structure are threaded connections.

5. The split motor sleeve according to claim 3, characterized in that: The main sleeve and the auxiliary sleeve are both provided with an oil filling port and a lubrication groove. The two oil filling ports are respectively arranged on the first limiting ring and the second limiting ring. The lubrication grooves on the main sleeve and the auxiliary sleeve are interconnected.

6. The split motor sleeve according to claim 5, characterized in that: Each of the lubrication grooves is communicated with the corresponding oil filling port, each of the lubrication grooves has a spiral section and a straight section, the spiral section has a plurality of spiral grooves, the plurality of spiral grooves are cross-circled, and the straight section is communicated with the plurality of spiral grooves; Wherein, the straight sections of the two lubrication grooves are connected to each other.

7. The split motor sleeve according to claim 1, characterized in that: The main sleeve and the auxiliary sleeve are both made of copper.

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