CN214063280U - Motor and compressor connecting structure - Google Patents
Motor and compressor connecting structure Download PDFInfo
- Publication number
- CN214063280U CN214063280U CN202022976051.1U CN202022976051U CN214063280U CN 214063280 U CN214063280 U CN 214063280U CN 202022976051 U CN202022976051 U CN 202022976051U CN 214063280 U CN214063280 U CN 214063280U
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Abstract
The utility model relates to the technical field of compressors, and discloses a motor and compressor connecting structure, which comprises a connecting disc, wherein the center of the connecting disc is provided with a center hole, the front end of the connecting disc extends outwards to form a flange surface, the flange surface is provided with a flange hole, the outer wall of the rear end of the connecting disc is provided with a plurality of threaded holes, the end surface of the compressor is provided with a connecting convex ring coaxial with an eccentric shaft, the connecting convex ring is provided with a connecting hole, a connecting through hole on the motor is connected with the threaded hole through a bolt, and the flange hole is connected with the connecting; the outer end of eccentric shaft is equipped with the external spline axle, is equipped with the external spline on the external spline axle, and the axle head of motor is fixed with the internal spline axle, is equipped with the internal spline hole on the internal spline axle, and the internal spline axle passes the central through-hole of connection pad, and the external spline stretches into the splined hole and forms spline fit. The utility model discloses the axiality requirement of motor shaft and eccentric shaft is reduced for the power transmission of motor and compressor is more stable.
Description
Technical Field
The utility model relates to a compressor technical field especially relates to motor and compressor coupling mechanism.
Background
The scroll compressor is a positive displacement compression compressor, and the compression unit comprises moving scroll and quiet vortex, moves the high-speed rotation of scroll and realizes gaseous compression, moves and is connected with the eccentric shaft on the scroll, and the outer end of eccentric shaft needs to be connected with the motor shaft, provides power for moving the scroll through the rotation of motor. At present, a motor shaft is generally and directly connected with an eccentric shaft through a coupler, however, the outer sides of a compressor and a motor need to be separately fixedly installed, the installation precision requirements of the motor and the compressor are very high when the motor and the compressor are connected through the coupler, if the installation precision is low, the axial runout of the motor shaft and the eccentric shaft is very large, and the working stability of a compression part is seriously influenced due to the too large axial runout. And when the connector is connected through the connector, the axial length is large, and the axial runout is increased.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a problem that the axiality required when solving the eccentric shaft connection of motor shaft and compressor among the prior art requires highly, provides a axiality and requires low, connect more reliable and stable motor and compressor coupling mechanism.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a motor and compressor connecting structure is used for connecting a motor and a compressor and comprises a connecting disc, wherein a center hole is formed in the center of the connecting disc, the front end of the connecting disc extends outwards to form a flange surface, a flange hole is formed in the flange surface, a plurality of threaded holes are formed in the outer wall of the rear end of the connecting disc, a connecting convex ring coaxial with an eccentric shaft is arranged on the end surface of the compressor, a connecting hole is formed in the connecting convex ring, a connecting through hole in the motor is connected with the threaded holes through bolts, and the flange hole is connected with the connecting hole through bolts; the outer end of the eccentric shaft is provided with an outer spline shaft, the outer spline shaft is provided with an outer spline, the shaft end of the motor is fixed with an inner spline shaft, the inner spline shaft is provided with an inner spline hole, the inner spline shaft penetrates through a central through hole of the connecting plate, and the outer spline extends into the spline hole to form spline fit. Through connection pad fixed connection between motor and the compressor together, then through external spline axle, internal spline axle butt joint connection between motor shaft and the eccentric shaft, splined connection has reduced the requirement of axiality, also can prevent that the vibration transmission of motor shaft from giving the eccentric shaft for power transmission is more stable.
Preferably, the outer end of the eccentric shaft is provided with a key groove, the end part of the internal spline shaft is provided with a shaft sleeve, and the shaft sleeve and the key groove are connected through a key.
Preferably, a bearing seat is arranged at the periphery of the central through hole at the rear end of the connecting disc, and a bearing sleeved on the outer side of the inner spline shaft is arranged in the bearing seat.
Preferably, the front end of the connecting disc is provided with an annular groove at the periphery of the central through hole, and a sealing ring sleeved on the outer side of the internal spline shaft is arranged in the annular groove.
Preferably, the rear end of the connecting disc is provided with a rear limiting convex ring matched with the motor shell, and the front end of the connecting disc is provided with a front limiting convex ring matched with the connecting convex ring. The front limiting convex ring and the rear limiting convex ring are used for positioning during assembly.
Preferably, a plurality of inner reinforcing convex ribs are arranged on the inner wall of the connecting disc, and a plurality of outer reinforcing convex ribs are arranged on the outer wall of the connecting disc; and a plurality of reinforcing ribs are arranged between the periphery of the connecting convex ring and the compressor shell.
Therefore, the utility model discloses the axiality requirement of motor shaft and eccentric shaft is reduced for the power transmission of motor and compressor is more stable.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view of fig. 1.
Fig. 3 is a partially enlarged view of a portion a in fig. 2.
Fig. 4 is a schematic structural view of the compressor.
FIG. 5 is a schematic diagram of a land structure.
Fig. 6 is a schematic view of another perspective of the connection pad.
In the figure: the motor comprises a motor 1, a compressor 2, a connecting convex ring 20, a connecting hole 21, a reinforcing rib 22, a connecting disc 3, a flange face 30, a flange hole 31, a threaded hole 32, a bearing seat 33, a bearing 34, an annular groove 35, a sealing ring 36, a rear limiting convex ring 37, a front limiting convex ring 38, an inner reinforcing convex rib 300, an outer reinforcing convex rib 301, an eccentric shaft 4, a key groove 40, an outer spline shaft 5, an outer spline 50, a shaft sleeve 51, an inner spline shaft 6 and an inner spline hole 60.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1, 2, 3, 4, 5 and 6, the connecting structure of the motor and the compressor is used for connecting the motor 1 and the compressor 2, the connecting disc 3 is provided with a center hole at the center of the connecting disc 3, the front end of the connecting disc 3 extends outwards to form a flange surface 30, the flange surface 30 is provided with a flange hole 31, the outer wall of the rear end of the connecting disc 3 is provided with a plurality of threaded holes 32, the end surface of the compressor 2 is provided with a connecting convex ring 20 coaxial with the eccentric shaft 4, the connecting convex ring 20 is provided with a connecting hole 21, the connecting through hole on the motor 1 is connected with the threaded hole by a bolt, and the flange hole 31 is connected with the connecting hole 21 by a bolt; an external spline shaft 5 is arranged at the outer end of the eccentric shaft 4, an external spline 50 is arranged on the external spline shaft, an internal spline shaft 6 is fixed at the shaft end of the motor 1, an internal spline hole 60 is formed in the internal spline shaft 6, the internal spline shaft penetrates through a central through hole of the connecting disc, and the external spline 50 extends into the internal spline hole 60 to form spline fit; the outer end of the eccentric shaft 4 is provided with a key groove 40, the end part of the internal spline shaft 5 is provided with a shaft sleeve 51, and the shaft sleeve and the key groove are connected through a key. The periphery of the rear end of the connecting disc 3, which is positioned in the central through hole, is provided with a bearing seat 33, a bearing 34 which is sleeved outside the inner spline shaft is arranged in the bearing seat, the periphery of the front end of the connecting disc 3, which is positioned in the central through hole, is provided with an annular groove 35, and a sealing ring 36 which is sleeved outside the inner spline shaft is arranged in the annular groove.
As shown in fig. 5 and 6, the rear end of the connecting disc 3 is provided with a rear limiting convex ring 37 matched with the motor shell, the front end of the connecting disc is provided with a front limiting convex ring 38 matched with the connecting convex ring, the inner wall of the connecting disc 3 is provided with a plurality of inner reinforcing convex ribs 300, and the outer wall of the connecting disc is provided with a plurality of outer reinforcing convex ribs 301; as shown in fig. 4, a plurality of reinforcing ribs 22 are provided between the outer circumference of the coupling flange 20 and the compressor housing.
With the attached drawings, the principle of the utility model is as follows: through connection pad fixed connection between motor and the compressor together, then through external spline axle, internal spline axle butt joint connection between motor shaft and the eccentric shaft, splined connection has reduced the requirement of axiality, also can prevent that the vibration transmission of motor shaft from giving the eccentric shaft for power transmission is more stable.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present invention to solve the same technical problems and achieve the same technical effects are all covered by the protection scope of the present invention.
Claims (6)
1. A motor and compressor connecting structure is used for connecting a motor and a compressor and is characterized by comprising a connecting disc, wherein a center hole is formed in the center of the connecting disc, the front end of the connecting disc extends outwards to form a flange surface, a flange hole is formed in the flange surface, a plurality of threaded holes are formed in the outer wall of the rear end of the connecting disc, a connecting convex ring coaxial with an eccentric shaft is arranged on the end surface of the compressor, a connecting hole is formed in the connecting convex ring, a connecting through hole in the motor is connected with the threaded holes through bolts, and the flange hole is connected with the connecting hole through bolts; the outer end of the eccentric shaft is provided with an outer spline shaft, the outer spline shaft is provided with an outer spline, the shaft end of the motor is fixed with an inner spline shaft, the inner spline shaft is provided with an inner spline hole, the inner spline shaft penetrates through a central through hole of the connecting plate, and the outer spline extends into the inner spline hole to form spline fit.
2. The structure of claim 1, wherein the eccentric shaft has a key groove at its outer end, and the inner spline shaft has a sleeve at its end, and the sleeve and the key groove are connected by a key.
3. The structure as claimed in claim 1, wherein a bearing seat is provided at the rear end of the connecting plate at the periphery of the central through hole, and a bearing is provided in the bearing seat and fitted over the inner spline shaft.
4. The structure as claimed in claim 1 or 3, wherein the front end of the connecting plate is provided with an annular groove at the periphery of the central through hole, and the annular groove is internally provided with a sealing ring sleeved outside the internal spline shaft.
5. A connection structure of motor and compressor as claimed in claim 1, wherein the rear end of said connection disc is provided with a rear limit protruding ring engaged with the motor housing, and the front end of said connection disc is provided with a front limit protruding ring engaged with the connection protruding ring.
6. A connection structure of a motor and a compressor as claimed in claim 1, wherein a plurality of inner reinforcing ribs are provided at an inner wall of the connection plate, and a plurality of outer reinforcing ribs are provided at an outer wall of the connection plate; and a plurality of reinforcing ribs are arranged between the periphery of the connecting convex ring and the compressor shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022976051.1U CN214063280U (en) | 2020-12-08 | 2020-12-08 | Motor and compressor connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022976051.1U CN214063280U (en) | 2020-12-08 | 2020-12-08 | Motor and compressor connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214063280U true CN214063280U (en) | 2021-08-27 |
Family
ID=77407583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022976051.1U Active CN214063280U (en) | 2020-12-08 | 2020-12-08 | Motor and compressor connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214063280U (en) |
-
2020
- 2020-12-08 CN CN202022976051.1U patent/CN214063280U/en active Active
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