CN210380481U - Electric corrosion prevention motor - Google Patents
Electric corrosion prevention motor Download PDFInfo
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- CN210380481U CN210380481U CN201921415090.5U CN201921415090U CN210380481U CN 210380481 U CN210380481 U CN 210380481U CN 201921415090 U CN201921415090 U CN 201921415090U CN 210380481 U CN210380481 U CN 210380481U
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- end cover
- rear end
- motor
- bearing
- lead
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- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The utility model discloses an electric corrosion prevention motor, which relates to the field of motors; the electric corrosion prevention motor comprises a rotor assembly, wherein a stator assembly is matched outside the rotor assembly, and a motor shell is wrapped outside the stator assembly; the front end and the rear end of the motor shell are respectively provided with a front end cover and a rear end cover, and bearing placing positions are arranged in the front end cover and the rear end cover and used for assembling bearings; the front end of the rotor component is sleeved with a front bearing, the rear end of the rotor component is sleeved with a rear bearing, and the front bearing and the rear bearing are respectively matched with a front end cover and a rear end cover; the front end cover is connected with a lead, the other end of the lead is connected with the rear end cover, a wire clamp is arranged on the motor shell, and the lead penetrates through the wire clamp; one end of the lead is riveted with the front end cover, and the other end of the lead is in transitional connection with the rear end cover through a wiring terminal; the motor shell, the front end cover, the conducting wire, the wire clamp and the stator assembly are of an integral structure; the motor has the characteristics of high insulating property, convenience in assembly and disassembly of the motor and firm connection of the wires and the front end cover and the rear end cover.
Description
Technical Field
The utility model relates to a motor, concretely relates to prevent electric erosion motor field.
Background
When the motor rotates, the electric corrosion phenomenon easily occurs, namely, in the rotating process of a bearing of the motor, the motor generates shaft voltage between a rotating shaft and a bearing seat due to unbalanced magnetic circuits, so that current passes through the bearing, when the current passes through the bearing, sparks are generated, an extremely thin grease film at a rolling contact part is punctured, and the contact surface is locally melted. In the prior art, the electric corrosion prevention motor is connected with the front end cover and the rear end cover through the leads, so that the front end cover is connected and conducted with the rear end cover, the potential difference between the front bearing and the rear bearing is zero, and the electric corrosion of the bearings is avoided. However, the above prior art solutions have the following drawbacks:
firstly, the insulation performance of the motor is poor, and potential difference is easily generated between different parts in the rotation process of the motor.
Secondly, the existing connecting technology of the lead and the front and rear ends is to adopt a welding technology to connect the end covers and the lead, the method makes the assembly procedure complicated in the process of assembling the motor, and the operation of disassembling the motor can be carried out only by damaging the lead in the process of overhauling again; meanwhile, in the rotation process of the motor, due to the self-shaking factor of the motor, the lead is easy to separate from the front end cover and the rear end cover.
In view of the above, the present invention provides an electric erosion preventing motor, which is produced by the present invention.
Disclosure of Invention
The utility model provides a prevent electric erosion motor, this motor have insulating properties height, the motor assembly, disassemble the convenience, wire and front and back end cover firm in connection's performance. Specifically, the utility model discloses a realize through following technical scheme:
an electric corrosion prevention motor comprises a rotor assembly, wherein a stator assembly is matched outside the rotor assembly, and a motor shell is wrapped outside the stator assembly; the output end of the rotor assembly is the front end, the other end of the rotor assembly is the rear end, the front end and the rear end of the motor shell are respectively provided with a front end cover and a rear end cover, and bearing placing positions are arranged in the front end cover and the rear end cover and used for assembling bearings; the front end of the rotor component is sleeved with a front bearing, the rear end of the rotor component is sleeved with a rear bearing, and the front bearing and the rear bearing are respectively matched with a front end cover and a rear end cover; the front end cover is connected with a lead, the other end of the lead is connected with the rear end cover, a wire clamp is arranged on the motor shell, and the lead penetrates through the wire clamp; one end of the lead is riveted with the front end cover, and the other end of the lead is in transitional connection with the rear end cover through a wiring terminal; the motor shell, the front end cover, the conducting wire, the wire clamp and the stator assembly are of an integrated structure.
Preferably, the rear end cover is assembled in a mode that the wiring terminal is connected with the rear end cover in a press-fitting deformation mode.
Furthermore, a convex spigot is arranged on the stator component; the rear end cover is provided with a concave spigot which is matched with the convex spigot, and the wiring terminal is positioned between the convex spigot and the concave spigot.
Further, a motor shell is formed through thermosetting material plastic package, and the motor shell, the front end cover, the conducting wire, the wire clamp and the stator assembly form an integrated structure.
The beneficial effects of the utility model reside in that:
1. the insulating properties of motor are high: the motor shell, the front end cover, the conducting wire, the wire clamp and the stator assembly are of an integrated structure.
2. The motor is assembled and disassembled conveniently, and the wire is firmly connected with the front end cover and the rear end cover: the wire and the front end cover are riveted, meanwhile, the rear end cover and the wire are in transitional connection through the wiring terminals, in the assembling process, the wiring terminals are only needed to be placed between the concave spigot of the rear end cover and the convex spigot of the stator assembly, the wire and the rear end cover can be connected, the assembling method is simple and convenient, and the connection is stable.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural diagram of the front and rear end caps connected by a wire according to the present invention.
Wherein: 1. a rotor assembly; 2. a stator assembly; 21. a male end; 3. a motor housing; 4. a front end cover; 41. a rear end cap; 42. a concave spigot; 43. a bearing placing position; 5. a front bearing; 51. a rear bearing; 6. a wire; 7. wire clamps; 8. and a terminal.
The specific implementation mode is as follows:
the present invention will be further described with reference to the accompanying drawings and the following detailed description.
As shown in fig. 1 and 2, an electric corrosion prevention motor includes a rotor assembly 1, a stator assembly 2 matched with the rotor assembly 1, a motor housing 3 arranged outside the stator assembly 2 for wrapping the motor, an output end of the rotor assembly 1 is a front end, and the other end is a rear end; the front end and the rear end of the motor shell 3 are respectively provided with a front end cover 4 and a rear end cover 41, and a bearing placing position 43 is arranged inside the front end cover 4 and the rear end cover 41 and is used for being matched with a bearing to be placed; two bearings are respectively sleeved outside the rotor assembly 1 and are divided into a front bearing 5 and a rear bearing 51, the front bearing 5 is positioned at the front end of the rotor assembly 1, and the outer ring of the front bearing is contacted with the inner side of the front end cover 4; the rear bearing 51 is at the rear end of the rotor assembly 1, and the outer ring of the rear bearing is in contact with the inner side of the rear end cover 41; the front end cover 4 is connected with a lead 6, the other end of the lead 6 is connected with the rear end cover 41, the front end cover 4 is connected and conducted with the rear end cover 41 in a mode that the lead 6 is arranged between the front end cover 4 and the rear end cover 41, the potential difference between the front bearing 5 and the rear bearing 51 is zero, and the occurrence of bearing electric corrosion is avoided.
In order to guide the trend of the lead 6 and relieve the tension of the lead 6 at the same time, the lead 6 is ensured to be in good contact with the front end cover 41 and the rear end cover 41; a wire clamp 7 is arranged on the motor shell, and the conducting wire 6 passes through the wire clamp 7.
One end of the lead 6 is connected with the front end cover 4 in a riveting mode, and the other end of the lead 6 is in transitional connection with the rear end cover 41 through a wiring terminal 8; that is, one end of the wire 6 is connected with the wiring terminal 8, one end of the wiring terminal 8 is connected with the rear end cover 41, wherein the wire 6 is connected with the wiring terminal 8 in a riveting mode, and the wiring terminal 8 is connected with the rear end cover 41 in a press-fitting deformation mode.
A specific connection mode of the wiring terminal 8 and the rear end cover 41 is as follows: the stator assembly 2 is provided with a male end 21, and the wiring terminal 8 is positioned at the male end 21; the rear end cover 41 is provided with a female spigot 42, and the female spigot 42 is matched with the male spigot 21 of the stator assembly 2, so that the wiring terminal 8 is positioned between the female spigot 42 and the male spigot 21, and the connection between the wiring terminal 8 and the rear end cover 41 is realized.
In order to improve the insulation performance of the motor, the motor shell 3, the front end cover 4, the lead 6, the wire clamp 7 and the stator assembly 2 form an integral structure; one method for forming the integrated structure by the components comprises the following steps: the motor shell 3 is formed by plastic package of thermosetting materials, so that the front end cover 4, the lead 6, the wire clamp 7 and the stator assembly 2 are connected into a whole.
According to the structure of the electric corrosion prevention motor, the assembly process is as follows:
firstly, the front bearing 5 and the front end cover 4 are assembled, one end of the lead 6 is connected with the front end cover 4 in a riveting mode, the other end of the lead 6 penetrates through the wire clamp 7 and is connected with the wiring terminal 8 in a riveting mode, and the lead 6 is fixed on the stator assembly 2 which is wound.
And secondly, the lead 6, the front end cover 4, the wire clamp 7, the wiring terminal 8 and the stator assembly 2 are molded together to form the motor shell 3, so that all the components are integrated, and the insulation performance is improved.
And thirdly, assembling the rotor assembly 1 and the stator assembly 2, installing a rear bearing 51, placing the wiring terminal 8 into the male spigot 21 of the stator assembly 2, pressing the rear end cover 41 into the female spigot 21 of the stator assembly 2 in a press-fitting deformation mode, matching the female spigot 42 on the rear end cover 41 with the male spigot 21 of the stator assembly 2, and connecting the wiring terminal 8 with the rear end cover 41.
Above is the utility model discloses preferred embodiment the utility model discloses make a plurality of other simple replacements and changes under the design prerequisite, all should regard as belonging to the utility model discloses a protection category.
Claims (4)
1. An electric corrosion prevention motor comprises a rotor assembly, wherein a stator assembly is matched outside the rotor assembly, and a motor shell is wrapped outside the stator assembly; the output end of the rotor assembly is the front end, the other end of the rotor assembly is the rear end, the front end and the rear end of the motor shell are respectively provided with a front end cover and a rear end cover, and bearing placing positions are arranged in the front end cover and the rear end cover and used for assembling bearings; the front end of the rotor component is sleeved with a front bearing, the rear end of the rotor component is sleeved with a rear bearing, and the front bearing and the rear bearing are respectively matched with a front end cover and a rear end cover; be connected with a wire on the front end housing, the rear end cap, its characterized in that are connected to this wire other end: a wire clamp is arranged on the motor shell, and a lead passes through the wire clamp; one end of the lead is riveted with the front end cover, and the other end of the lead is in transitional connection with the rear end cover through a wiring terminal; the motor shell, the front end cover, the conducting wire, the wire clamp and the stator assembly are of an integrated structure.
2. The electric corrosion-resistant motor as claimed in claim 1, wherein: the stator component is provided with a male end; the rear end cover is provided with a concave spigot which is matched with the convex spigot, and the wiring terminal is positioned between the convex spigot and the concave spigot.
3. An electric corrosion prevention motor as claimed in claim 1 or 2, characterized in that: the wiring terminal is connected with the rear end cover in a press-fitting deformation mode.
4. The electric corrosion-resistant motor as claimed in claim 1, wherein: a motor shell is formed by thermosetting material plastic package, and the motor shell, the front end cover, the conducting wire, the wire clamp and the stator assembly form an integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921415090.5U CN210380481U (en) | 2019-08-28 | 2019-08-28 | Electric corrosion prevention motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921415090.5U CN210380481U (en) | 2019-08-28 | 2019-08-28 | Electric corrosion prevention motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210380481U true CN210380481U (en) | 2020-04-21 |
Family
ID=70253404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921415090.5U Active CN210380481U (en) | 2019-08-28 | 2019-08-28 | Electric corrosion prevention motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210380481U (en) |
-
2019
- 2019-08-28 CN CN201921415090.5U patent/CN210380481U/en active Active
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