CN209860731U - Motor connecting device - Google Patents
Motor connecting device Download PDFInfo
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- CN209860731U CN209860731U CN201921063570.XU CN201921063570U CN209860731U CN 209860731 U CN209860731 U CN 209860731U CN 201921063570 U CN201921063570 U CN 201921063570U CN 209860731 U CN209860731 U CN 209860731U
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- motor
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- connection
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Abstract
The utility model relates to a motor field discloses a motor connecting device. The motor connecting device comprises a first connecting piece, a second connecting piece and an end cover, wherein the first connecting piece is arranged in a motor and is coaxially arranged with one end of a motor shaft and integrally formed; the second connecting piece is arranged in the motor and is matched and connected with the first connecting piece, and the second connecting piece is configured to be connected with the hydraulic pump shaft; the end cover is arranged at one end of the motor close to the second connecting piece, a heat conduction exhaust groove is formed in the end cover, and the heat conduction exhaust groove is communicated with a central through hole of the end cover. The utility model provides a motor connecting device passes through the coaxial setting of first connecting piece and motor shaft to integrated into one piece makes the concentricity of first connecting piece and motor shaft high, and power transmission efficiency is high, has reduced the vibration and the impact of motor with the hydraulic pump transmission in-process, and the miniaturized size design of being convenient for saves installation space, and heat dispersion is good.
Description
Technical Field
The utility model relates to a motor field especially relates to a motor connecting device.
Background
In the prior art, the operation of a hydraulic pump shaft is realized by connecting with a motor shaft, and the working efficiency of the hydraulic pump is closely related to the power transmission performance of the motor. However, the conventional coupling for the motor shaft and the hydraulic pump shaft have low power transmission efficiency and poor coaxiality, which results in low working efficiency of the hydraulic pump. Meanwhile, when the existing motor connected with the hydraulic pump works, a large amount of heat is easily generated in the motor and accumulated, the accumulated heat can cause abnormal work of parts in the motor, the accumulated heat can affect a stator coil of the motor, even can cause damage of a winding coil, cause fatal damage to the motor, and reduce the service life of the motor.
SUMMERY OF THE UTILITY MODEL
Based on above problem, an object of the utility model is to provide a motor connecting device, power transmission efficiency is high, and the axiality is high, and heat dispersion is good.
In order to achieve the purpose, the utility model adopts the following technical proposal:
an electric motor connection device comprising:
the first connecting piece is arranged in the motor, is coaxially arranged with one end of the motor shaft and is integrally formed;
a second connector disposed within the motor and cooperatively coupled to the first connector, the second connector configured to couple to a hydraulic pump shaft;
the end cover is arranged at one end, close to the second connecting piece, of the motor, and a heat conduction exhaust groove is formed in the end cover and communicated with a central through hole of the end cover.
As the utility model discloses a motor connecting device's preferred scheme, first connecting piece with press from both sides between the second connecting piece and be equipped with the cushion.
As the utility model discloses a motor connecting device's preferred scheme, elastic cushion is formed by rubber preparation.
As the utility model discloses a motor connecting device's preferred scheme, first connecting piece orientation one side of second connecting piece is provided with first lug, the second connecting piece orientation one side of first connecting piece is provided with the second lug, resilient cushion is provided with the third lug along self circumference, the third lug card is located first lug with between the second lug.
As the utility model discloses a motor connecting device's preferred scheme, be provided with the splined hole in the first connecting piece, the outside of second connecting piece is provided with the spline, the second connecting piece passes through the spline card is gone into the splined hole with first connecting piece is connected.
As the utility model discloses a motor connecting device's preferred scheme, the spline set up in the second connecting piece orientation the one end of first connecting piece.
As the utility model discloses a motor connecting device's preferred scheme, first connecting piece is provided with the locating hole, the locating hole with the axis coincidence of first connecting piece.
As the utility model discloses a motor connecting device's preferred scheme, the second connecting piece is provided with the connecting hole, the connecting hole with the axis coincidence of second connecting piece.
As the utility model discloses a motor connecting device's preferred scheme, the second connecting piece be provided with the connection keyway of connecting hole intercommunication.
As the utility model discloses a motor connecting device's preferred scheme, the heat conduction air discharge duct is provided with a plurality ofly, and is a plurality of the heat conduction air discharge duct is followed the circumference evenly distributed of end cover.
The utility model has the advantages that:
the utility model provides a motor connecting device, through the coaxial setting of first connecting piece and motor shaft to integrated into one piece, make the concentricity of first connecting piece and motor shaft high, power transmission efficiency is high, has reduced vibration and impact in motor and the hydraulic pump transmission process, simultaneously, first connecting piece and second connecting piece all set up in the motor, are convenient for miniaturized size design, save installation space; an end cover is arranged at one end of the motor close to the second connecting piece, a heat conduction exhaust groove communicated with a central through hole of the end cover is arranged on the end cover, heat in the motor is exhausted from the heat conduction exhaust groove, and the heat dissipation performance is good.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic structural view of a motor connecting device installed in a motor according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an end cap according to an embodiment of the present invention;
fig. 3 is an isometric view of one implementation of a motor coupling device in accordance with an embodiment of the present invention;
fig. 4 is an exploded schematic view of an implementation form of a motor connecting device according to an embodiment of the present invention;
fig. 5 is an isometric view of another implementation of a motor coupling device in accordance with an embodiment of the present invention;
fig. 6 is an exploded schematic view of another implementation form of the motor connecting device according to the embodiment of the present invention.
In the figure:
1-a first connector; 2-a second connector; 3-end cover; 4-elastic cushion block;
11-a first bump; 12-splined bore; 13-positioning holes;
21-a second bump; 22-splines; 23-a connection hole; 24-connecting key slot;
31-heat conduction exhaust groove;
41-third bump;
100-a motor; 200-motor shaft.
Detailed Description
In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiment provides a motor connecting device which is used for being installed on a motor and can be connected with a hydraulic pump shaft, and as shown in fig. 1, the motor connecting device comprises a first connecting piece 1, a second connecting piece 2 and an end cover 3.
Specifically, the first connecting member 1 is disposed in the motor 100, and the first connecting member 1 is disposed coaxially with one end of the motor shaft 200 and is integrally formed. Through the coaxial setting of first connecting piece 1 and motor shaft 200 to integrated into one piece makes the concentricity of first connecting piece 1 and motor shaft 200 high, and power transmission efficiency is high, has reduced the vibration and the impact of motor 100 with the hydraulic pump transmission in-process. The second connector 2 is disposed in the motor 100 and is coupled to the first connector 1, and the second connector 2 is configured to be coupled to a hydraulic pump shaft. First connecting piece 1 and second connecting piece 2 all set up in motor 100, are convenient for miniaturized size design, save installation space. As shown in fig. 2, the end cap 3 is disposed at one end of the motor 100 close to the second connector 2, the end cap 3 is provided with a heat conduction exhaust groove 31, the heat conduction exhaust groove 31 is communicated with a central through hole of the end cap 3, heat in the motor 100 is exhausted from the heat conduction exhaust groove 31, and the heat dissipation performance is good. In order to improve the heat dissipation effect, optionally, the heat conduction exhaust grooves 31 are provided in plurality, and the plurality of heat conduction exhaust grooves 31 are uniformly distributed along the circumferential direction of the end cover 3.
In order to avoid serious abrasion of the first connecting piece 1 and the second connecting piece 2 in the power transmission process, an elastic cushion block 4 is optionally clamped between the first connecting piece 1 and the second connecting piece 2. The acting force of the first connecting piece 1 and the second connecting piece 2 in the power transmission process is buffered through the elastic cushion block 4, the service life of the first connecting piece 1 and the second connecting piece 2 is prolonged, and the stability of power transmission is ensured. Optionally, the elastic cushion block 4 is prepared from rubber, so that the material is available and the cost is low. In this embodiment, one implementation form of the cooperative connection between the first connecting member 1 and the second connecting member 2 may be as shown in fig. 3 and fig. 4, a first protruding block 11 is disposed on one side of the first connecting member 1 facing the second connecting member 2, a second protruding block 21 is disposed on one side of the second connecting member 2 facing the first connecting member 1, a third protruding block 41 is disposed on the elastic cushion block 4 along the circumferential direction thereof, and the third protruding block 41 is clamped between the first protruding block 11 and the second protruding block 21. In order to facilitate the positioning during the processing of the first connecting member 1, optionally, the first connecting member 1 is provided with a positioning hole 13, and the positioning hole 13 coincides with the axis of the first connecting member 1, so as to ensure that the processed first connecting member 1 has high coaxiality with the motor shaft 200. To facilitate the connection of the second attachment member 2 to the hydraulic pump shaft, optionally the second attachment member 2 is provided with a connection hole 23, the connection hole 23 coinciding with the axis of the second attachment member 2. Alternatively, the second connecting member 2 is provided with a connecting key groove 24 communicating with the connecting hole 23, and power is transmitted by fitting a key block on the hydraulic pump shaft to be engaged with the connecting key groove 24 in the connecting hole 23 of the second connecting member 2.
In this embodiment, another implementation form of the first connecting piece 1 and the second connecting piece 2 being connected in a matching manner may be as shown in fig. 5 and fig. 6, a spline hole 12 is provided in the first connecting piece 1, a spline 22 is provided on the outer side of the second connecting piece 2, and the second connecting piece 2 is clamped into the spline hole 12 through the spline 22 and connected with the first connecting piece 1. In order to save material and reduce processing cost, the spline 22 is optionally disposed at one end of the second connecting member 2 facing the first connecting member 1.
According to the motor connecting device provided by the embodiment, the first connecting piece 1 and the motor shaft 200 are coaxially arranged and integrally formed, so that the concentricity of the first connecting piece 1 and the motor shaft 200 is high, the power transmission efficiency is high, the vibration and impact in the transmission process of the motor 100 and a hydraulic pump are reduced, and meanwhile, the first connecting piece 1 and the second connecting piece 2 are both arranged in the motor 100, so that the miniaturization size design is facilitated, and the installation space is saved; an end cover 3 is arranged at one end of the motor 100 close to the second connecting piece 2, a heat conduction exhaust groove 31 communicated with a central through hole of the end cover 3 is arranged on the end cover 3, heat in the motor 100 is exhausted from the heat conduction exhaust groove 31, and the heat radiating performance is good.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious modifications, rearrangements and substitutions without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. An electric motor connecting device, comprising:
the first connecting piece (1) is arranged in the motor (100), and the first connecting piece (1) is coaxially arranged with one end of the motor shaft (200) and is integrally formed;
the second connecting piece (2) is arranged in the motor (100) and is matched and connected with the first connecting piece (1), and the second connecting piece (2) is configured to be connected with a hydraulic pump shaft;
the end cover (3) is arranged at one end, close to the second connecting piece (2), of the motor (100), a heat conduction exhaust groove (31) is formed in the end cover (3), and the heat conduction exhaust groove (31) is communicated with a central through hole of the end cover (3).
2. The motor connecting device according to claim 1, characterized in that an elastic cushion block (4) is clamped between the first connecting piece (1) and the second connecting piece (2).
3. The motor connection according to claim 2, characterized in that the resilient pad (4) is made of rubber.
4. The motor connecting device according to claim 2, characterized in that a first bump (11) is arranged on one side of the first connecting piece (1) facing the second connecting piece (2), a second bump (21) is arranged on one side of the second connecting piece (2) facing the first connecting piece (1), a third bump (41) is arranged on the elastic cushion block (4) along the circumferential direction of the elastic cushion block, and the third bump (41) is clamped between the first bump (11) and the second bump (21).
5. The motor connecting device according to claim 1, characterized in that a spline hole (12) is formed in the first connecting piece (1), a spline (22) is formed on the outer side of the second connecting piece (2), and the second connecting piece (2) is clamped into the spline hole (12) through the spline (22) and is connected with the first connecting piece (1).
6. The motor connection according to claim 5, characterized in that the splines (22) are arranged at the end of the second connection piece (2) facing the first connection piece (1).
7. The motor connection according to claim 1, characterized in that the first connection piece (1) is provided with a positioning hole (13), the positioning hole (13) coinciding with the axis of the first connection piece (1).
8. The motor connection device according to claim 1, characterized in that the second connection member (2) is provided with a connection hole (23), the connection hole (23) coinciding with the axis of the second connection member (2).
9. The motor connecting device according to claim 8, wherein the second connecting member (2) is provided with a connecting key groove (24) communicating with the connecting hole (23).
10. The motor connecting device according to any one of claims 1 to 9, wherein the heat-conducting exhaust grooves (31) are provided in plurality, and the plurality of heat-conducting exhaust grooves (31) are uniformly distributed along the circumferential direction of the end cover (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921063570.XU CN209860731U (en) | 2019-07-09 | 2019-07-09 | Motor connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921063570.XU CN209860731U (en) | 2019-07-09 | 2019-07-09 | Motor connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209860731U true CN209860731U (en) | 2019-12-27 |
Family
ID=68943175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921063570.XU Active CN209860731U (en) | 2019-07-09 | 2019-07-09 | Motor connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209860731U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022182899A (en) * | 2021-05-28 | 2022-12-08 | 株式会社安川電機 | Rotating electric machine |
-
2019
- 2019-07-09 CN CN201921063570.XU patent/CN209860731U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022182899A (en) * | 2021-05-28 | 2022-12-08 | 株式会社安川電機 | Rotating electric machine |
| JP7219424B2 (en) | 2021-05-28 | 2023-02-08 | 株式会社安川電機 | Rotating electric machine |
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