CN216625511U - Motor pump set - Google Patents
Motor pump set Download PDFInfo
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- CN216625511U CN216625511U CN202123139300.2U CN202123139300U CN216625511U CN 216625511 U CN216625511 U CN 216625511U CN 202123139300 U CN202123139300 U CN 202123139300U CN 216625511 U CN216625511 U CN 216625511U
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- motor
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Abstract
The utility model provides a motor-pump unit, which comprises: a motor body and a pump body; one end of the motor shaft is provided with an internal spline shaft, and the other end of the motor shaft is connected with the motor main body; one end of the pump shaft is provided with an external spline shaft, and the other end of the pump shaft is connected with the pump main body; the external spline shaft is connected with the internal spline shaft in a matching way; the integrated flange is arranged on the motor shaft in a penetrating mode, one side of the flange is connected with the motor main body, and the other side of the flange is connected with the pump main body. This application sets up the fit connection of female spline shaft and the epaxial external spline shaft of pump on the motor shaft to transmission torque, be connected motor main part and pump main part through the flange simultaneously, improved transmission torque's stability and reliability, compare and utilize bell jar and plum coupling cooperation to come transmission torque among the prior art, this application simple structure and occupation space are little, have also practiced thrift the time of installation.
Description
Technical Field
The utility model relates to the technical field of motors, in particular to a motor pump set.
Background
When the motor-driven pump works, a bell-shaped cover is arranged on a motor shaft of the motor, the bell-shaped cover is arranged on a rotating shaft of the pump, a plum coupling is arranged between the two bell-shaped covers, and the two bell-shaped covers are meshed through the plum coupling to transmit torque. The connection mode occupies a large space, has heavy weight and is limited in use scene.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a motor pump set, and aims to solve the problem that a motor and pump connecting structure in the prior art occupies a large space.
In order to achieve the above object, the present invention provides a motor-pump assembly, including: a motor body and a pump body; one end of the motor shaft is provided with an internal spline shaft, and the other end of the motor shaft is connected with the motor main body; one end of the pump shaft is provided with an external spline shaft, and the other end of the pump shaft is connected with the pump main body; the external spline shaft is connected with the internal spline shaft in a matching way; the integrated flange is arranged on the motor shaft in a penetrating mode, one side of the flange is connected with the motor main body, and the other side of the flange is connected with the pump main body.
This application sets up the fit connection of female spline shaft and the epaxial external spline shaft of pump on the motor shaft to transmission torque, be connected motor main part and pump main part through the flange simultaneously, improved transmission torque's stability and reliability, compare and utilize bell jar and plum coupling cooperation to come transmission torque among the prior art, this application simple structure and occupation space are little, have also practiced thrift the time of installation.
Furthermore, one side of the flange is provided with a first spigot, and the first spigot is used for being connected with a motor spigot on the motor main body in a matched mode.
Furthermore, a second spigot is arranged on the other side of the flange, and the second spigot is used for being connected with a pump spigot on the pump main body in a matched mode.
Furthermore, one side of the flange, which is connected with the pump main body, is provided with a plurality of screw holes, the pump main body is provided with a plurality of through holes, and the through holes and the screw holes are positioned on the same axis.
Further, a bearing is arranged in the flange and used for supporting the motor shaft.
Furthermore, a bearing mounting hole is formed in the flange, and the bearing is arranged in the bearing mounting hole; and one side of the bearing mounting hole, which is close to the pump main body, is provided with an annular flange.
Furthermore, the end face of the inner ring of the bearing is abutted against a shaft shoulder on the motor shaft.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:
FIG. 1 is a schematic view of a motor-pump assembly of the present invention;
FIG. 2 is a schematic view of the motor of the present invention connected to a flange;
fig. 3 is a cross-sectional view of the pump of the present invention.
Wherein: 1-motor shaft, 11-internal spline shaft, 12-shaft shoulder, 2-pump shaft, 21-external spline shaft, 3-flange, 31-first spigot, 32-second spigot, 33-bearing mounting hole, 331-annular flange, 4-motor main body, 5-pump main body, 51-pump spigot, 52-through hole and 6-bearing.
Detailed Description
The technical solution provided by the present invention will be explained in more detail with reference to fig. 1 to 3.
As shown in fig. 1, the present application proposes a motor-pump group comprising: a motor body 4 and a pump body 5; one end of the motor shaft 1 is provided with an internal spline shaft 11, and the other end of the motor shaft is connected with the motor main body 4; a pump shaft 2, one end of which is provided with an external spline shaft 21 and the other end of which is connected with the pump main body 5; the external spline shaft 21 is connected with the internal spline shaft 11 in a matching way; the motor shaft 1 is provided with a flange 3 which is integrally formed, one side of the flange 3 is connected with the motor main body 4, and the other side of the flange is connected with the pump main body 5.
This application sets up the fit connection of female spline shaft and the epaxial external spline shaft of pump on the motor shaft to transmission torque, be connected motor main part and pump main part through the flange simultaneously, improved transmission torque's stability and reliability, compare and utilize bell jar and plum coupling cooperation to come transmission torque among the prior art, this application simple structure and occupation space are little, have also practiced thrift the time of installation.
As shown in fig. 2, a first seam allowance 31 is further provided on one side of the flange 3, and the first seam allowance 31 is used for being in fit connection with a motor seam allowance on the motor main body 4. Firstly, the flange and the motor main body can be connected through screws, and certainly, the flange and the motor main body are not limited to be connected through screws; and then the flange and the motor main body are accurately positioned in the axial direction through the matching of the inner spigot and the outer spigot, and the connecting surface of the flange and the motor main body is more compact. Wherein the motor seam allowance is not marked in the figure.
Further, a second spigot 32 is arranged on the other side of the flange 3, and the second spigot 32 is used for being matched and connected with a pump spigot 51 on the pump main body 5. The flange is connected with the pump through the matching of the spigot, so that the flange and the pump main body are accurately positioned in the axial direction, and the connecting surface of the flange and the pump main body is more compact.
As shown in fig. 3, a plurality of screw holes are further formed on a side of the flange 3 connected to the pump main body 5, a plurality of through holes 52 are formed on the pump main body 5, and the through holes 52 and the screw holes are located on the same axis. The flange and the pump can be in threaded connection, namely, the bolt penetrates through the through hole to be connected with the screw hole, so that the flange is tightly connected with the pump main body, and the stability of the transmission torque is ensured. Wherein the screw holes are not identified in the figures.
In order to further improve the stability of the motor shaft during operation and prevent the motor shaft from shaking and even breaking during the process of transmitting torque, a bearing 6 is arranged in the flange 3, and the bearing 6 is used for supporting the motor shaft 1.
Further, a bearing mounting hole 33 is formed in the flange 3, and the bearing 6 is arranged in the bearing mounting hole 33; the side of the bearing mounting hole 33 close to the pump body 5 is provided with an annular rib 331.
Further, the inner ring end surface of the bearing 6 abuts against a shaft shoulder 12 on the motor shaft 1.
The bearing is used for supporting the motor shaft, the outer ring of the bearing is abutted against the annular flange to axially position the outer ring of the bearing, and the inner ring of the bearing is abutted against the shaft shoulder to axially position the inner ring of the bearing; the outer ring of the bearing and the bearing mounting hole form moderate interference fit, so that the bearing is stable when supporting the motor shaft, can rotate smoothly, and further improves the stability and reliability of the motor shaft for transmitting torque.
The working principle of the motor pump set is as follows: compared with the traditional structure for transmitting torque by using a bell-shaped cover, the bell-shaped cover has the advantages that the inner spline shaft is formed on the motor shaft, the outer spline shaft is arranged on the pump shaft, the inner spline shaft is connected with the outer spline shaft in a matched mode, the motor shaft is reliably supported by the flange and the bearing, the motor and the pump can be directly connected and transmit torque, the bell-shaped cover is simple in structure, and the occupied size is small; and the flange and the pump are connected through threads and the matching of the inner spigot and the outer spigot, so that reliable connection is formed, and the reliability and the stability of torque transmission are improved.
In the description of the present invention, it is to be understood that the terms "vertical", "horizontal", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the scope of the present invention.
If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the use of "first" and "second" is merely for convenience in describing the utility model and to simplify the description, and the words are not intended to imply anything else, unless stated otherwise.
The present invention is not limited to the above-described embodiments, and various modifications and variations of the present invention are intended to be included within the scope of the claims and the equivalent technology of the present invention if they do not depart from the spirit and scope of the present invention.
Claims (7)
1. A motor-pump assembly, comprising:
a motor body and a pump body;
one end of the motor shaft is provided with an internal spline shaft, and the other end of the motor shaft is connected with the motor main body;
one end of the pump shaft is provided with an external spline shaft, and the other end of the pump shaft is connected with the pump main body; the external spline shaft is connected with the internal spline shaft in a matching way;
the integrated flange is arranged on the motor shaft in a penetrating mode, one side of the flange is connected with the motor main body, and the other side of the flange is connected with the pump main body.
2. Motor-pump group according to claim 1, characterized in that:
one side of the flange is provided with a first spigot, and the first spigot is used for being connected with a motor spigot on the motor main body in a matched mode.
3. Motor-pump group according to claim 1, characterized in that:
and a second spigot is arranged on the other side of the flange and is used for being matched and connected with a pump spigot on the pump main body.
4. Motor-pump group according to claim 1, characterized in that:
one side that the flange is connected with the pump main part is equipped with a plurality of screws, be equipped with a plurality of through-holes on the pump main part, the through-hole with the screw is in on the same axis.
5. Motor-pump group according to claim 1, characterized in that:
and a bearing is arranged in the flange and used for supporting the motor shaft.
6. Motor-pump group according to claim 5, characterized in that:
a bearing mounting hole is formed in the flange, and the bearing is arranged in the bearing mounting hole;
and one side of the bearing mounting hole, which is close to the pump main body, is provided with an annular flange.
7. Motor-pump group according to claim 5, characterized in that:
the end face of the inner ring of the bearing is abutted against a shaft shoulder on the motor shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123139300.2U CN216625511U (en) | 2021-12-14 | 2021-12-14 | Motor pump set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123139300.2U CN216625511U (en) | 2021-12-14 | 2021-12-14 | Motor pump set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216625511U true CN216625511U (en) | 2022-05-27 |
Family
ID=81702742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123139300.2U Active CN216625511U (en) | 2021-12-14 | 2021-12-14 | Motor pump set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216625511U (en) |
-
2021
- 2021-12-14 CN CN202123139300.2U patent/CN216625511U/en active Active
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