CN211791039U - Insulating end cover of motor - Google Patents
Insulating end cover of motor Download PDFInfo
- Publication number
- CN211791039U CN211791039U CN202020628873.8U CN202020628873U CN211791039U CN 211791039 U CN211791039 U CN 211791039U CN 202020628873 U CN202020628873 U CN 202020628873U CN 211791039 U CN211791039 U CN 211791039U
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- CN
- China
- Prior art keywords
- end cover
- bearing
- insulating
- insulating end
- cover body
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Abstract
The utility model discloses an insulating end cover of motor, including the insulating end cover body, the bearing housing has been cup jointed at the center of insulating end cover body, the outer wall winding of bearing housing has the insulating paper corresponding with the insulating end cover body, rolling bearing is installed at the center of bearing housing, the center of insulating end cover body inner wall is installed respectively with the center of outer wall with bearing housing and the corresponding interior bearing end cover of rolling bearing and outside bearing end cover, a plurality of fixing bolt of fixedly connected with between interior bearing end cover and the outside bearing end cover, it is a plurality of insulating cured pipe has all been cup jointed to fixing bolt's outer wall. The utility model discloses in, the device compares with traditional device, and its structure and design all have great innovation and improvement, and this motor insulation end cover has blocked the circulation channel of axle current, and the effectual bearing that prevents produces the galvanic corrosion improves motor wholeness ability to make its work efficiency obtain improving greatly, be worth wideling popularize.
Description
Technical Field
The utility model relates to the technical field of motors, especially, relate to an insulating end cover of motor.
Background
The motor is a device for converting electric energy into mechanical energy, and is characterized by that it utilizes the energizing coil (i.e. stator winding) to produce rotating magnetic field and make it act on rotor (for example, squirrel-cage closed aluminium frame) to form magnetoelectric power rotating torque, and is divided into D.C. motor and A.C. motor according to different power supplies, and the most of the motors in the power system are A.C. motors, and can be synchronous motor or asynchronous motor (the rotating speed of stator magnetic field and rotating speed of rotor of the motor are not identical), and the motor is mainly formed from stator and rotor, and the direction of forced movement of energizing conductor in the magnetic field is related to current direction and magnetic induction line (magnetic field direction), and its working principle is that the magnetic field is applied to current so as to make the motor rotate, and the power range provided by motor is large, from milliwatt level to kilowatt. Machine tools and water pumps need to be driven by a motor; electric locomotives and elevators need to be drawn by a motor, electric fans, refrigerators, washing machines and even various motor toys in family life can not be driven by the motor, and the motor is applied to various aspects in modern social life.
The motor is very common mechanical equipment in daily life, but there is certain defect in present device structural design, because the motor can produce the axle current at the operation in-process, the axle current can produce the galvanic corrosion to the bearing, influences the motor normal operating, also can greatly reduced motor's life simultaneously, in order to solve this problem, we have provided a new motor insulation end cover.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing an insulating end cover of a motor.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an insulating end cover of motor, includes the insulating end cover body, the bearing housing has been cup jointed at the center of insulating end cover body, the outer wall winding of bearing housing has the insulating paper corresponding with the insulating end cover body, rolling bearing is installed at the center of bearing housing, the center of insulating end cover body inner wall and the center of outer wall install respectively with bearing housing and rolling bearing corresponding inside bearing end cover and outside bearing end cover, a plurality of fixing bolt of fixedly connected with between inside bearing end cover and the outside bearing end cover, it is a plurality of insulating cured pipe has all been cup jointed to fixing bolt's outer wall.
As a further description of the above technical solution:
the insulating end cover body is cast into an integrally formed structure.
As a further description of the above technical solution:
the bearing sleeve is made of stainless steel materials, and the bearing sleeve and the insulating end cover body are in interference fit.
As a further description of the above technical solution:
and epoxy resin is filled on the peripheral side between the bearing sleeve and the insulating end cover body.
As a further description of the above technical solution:
and glass cloth plates are arranged between the inner side bearing end cover and the insulating end cover body and between the outer side bearing end cover and the insulating end cover body.
As a further description of the above technical solution:
and threaded holes corresponding to the fixing bolts are formed in the peripheral sides of the centers of the inner side bearing end cover, the outer side bearing end cover and the insulating end cover body.
The utility model discloses following beneficial effect has: 1. the utility model provides an insulating end cover of motor compares with traditional device, the device simple structure, convenient and practical under the condition that does not change the overall design structure of current motor end cover, through the simple insulating mechanism of design and mounting means, has improved the insulating properties of this insulating end cover greatly.
2. Compared with the traditional device, the device has the advantages that the structure and the design are greatly innovated and improved, the motor insulation end cover blocks a circulation channel of shaft current, the bearing is effectively prevented from generating electric corrosion, the overall performance of the motor is improved, the working efficiency is greatly improved, and the device is worthy of being widely popularized.
Drawings
Fig. 1 is a schematic structural view of an insulating end cap of a motor according to the present invention;
fig. 2 is a schematic view of an installation structure of a rotating bearing of an insulated end cap of a motor according to the present invention;
fig. 3 is a partially enlarged view of a portion a in fig. 1.
Illustration of the drawings:
1. an insulating end cap; 2. a bearing housing; 3. insulating paper; 4. an epoxy resin; 5. a rotating bearing; 6. an inner side bearing end cover; 7. an outer bearing end cap; 8. a glass cloth plate; 9. fixing the bolt; 10. insulating wax tubes; 11. a threaded bore.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work 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; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; 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.
Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides an insulating end cover of motor, including insulating end cover body 1, bearing housing 2 has been cup jointed at insulating end cover body 1's center, bearing housing 2's outer wall winding has the insulating paper 3 corresponding with insulating end cover body 1, rolling bearing 5 is installed at the center of bearing housing 2, the center of insulating end cover body 1 inner wall is installed respectively with the center of outer wall with bearing housing 2 and rolling bearing 5 corresponding inboard bearing end cover 6 and outside bearing end cover 7, a plurality of fixing bolt 9 of fixedly connected with between inboard bearing end cover 6 and the outside bearing end cover 7, insulating wax pipe 10 has all been cup jointed to a plurality of fixing bolt 9's outer wall, insulating wax pipe 10 both can play the fastening effect, also can play insulating effect simultaneously.
The insulating end cover body 1 is formed by casting an integrally formed structure, and the insulating end cover body 1 formed by casting the integrally formed structure is firm in structure and cannot be easily damaged.
The bearing sleeve 2 is made of stainless steel, the bearing sleeve 2 and the insulating end cover body 1 are in interference fit, the bearing sleeve 2 made of the stainless steel has good rigidity and an antirust function, and the interference amount between the excircle of the bearing sleeve 2 and a bearing chamber of the insulating end cover body 1 is controlled to be 0.06-0.1 mm.
The side all fills epoxy 4 all around between bearing housing 2 and the insulating end cover body 1, all fills epoxy 4 through the side all between bearing housing 2 and insulating end cover body 1, can play better sealed and insulating effect.
All be provided with glass cloth board 8 between inside bearing end cover 6 and outside bearing end cover 7 and the insulating end cover body 1, glass cloth board 8 can play fine insulating effect, can prevent that inside bearing end cover 6 and outside bearing end cover 7 from transmitting the current to insulating end cover body 1 on.
The inner side bearing end cover 6, the outer side bearing end cover 7 and the periphery of the center of the insulating end cover body 1 are all provided with threaded holes 11 corresponding to the fixing bolts 9.
The working principle is as follows: the utility model provides a motor insulation end cap and traditional device have great improvement innovation, the insulation end cap body 1 of the motor insulation end cap is cast for the integrated structure, the insulation end cap body 1 cast for the integrated structure not only has firm structure, but also can not be easily damaged, the bearing sleeve 2 made of stainless steel has good rigidity, and simultaneously has the function of rust prevention, the inner side and the outer side bearing end cap 7 and the insulation end cap body 1 are all filled with epoxy resin 4 through the peripheral side between the bearing sleeve 2 and the insulation end cap body 1, thereby having better sealing and insulating functions, the glass cloth plate 8 is arranged between the inner side bearing end cap 6 and the outer side bearing end cap 7 and the insulation end cap body 1, the glass cloth plate 8 can play a good insulating function, thereby preventing the inner side bearing end cap 6 and the outer side bearing end cap 7 from transmitting current to the insulation end cap body 1, insulating cured pipe 10 has all been cup jointed to a plurality of fixing bolt 9's outer wall, and insulating cured pipe 10 both can play the fastening effect, also can play insulating effect simultaneously.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides an insulating end cover of motor, includes insulating end cover body (1), its characterized in that: bearing housing (2) have been cup jointed at the center of insulating end cover body (1), the outer wall winding of bearing housing (2) has insulating paper (3) corresponding with insulating end cover body (1), rolling bearing (5) are installed at the center of bearing housing (2), inboard bearing cap (6) and outside bearing cap (7) corresponding with bearing housing (2) and rolling bearing (5) are installed respectively at the center of insulating end cover body (1) inner wall and the center of outer wall, a plurality of fixing bolt (9) of fixedly connected with between inboard bearing cap (6) and outside bearing cap (7), and is a plurality of insulating wax pipe (10) have all been cup jointed to the outer wall of fixing bolt (9).
2. An electric motor insulating end cap according to claim 1, wherein: the insulating end cover body (1) is formed by casting in an integrally formed structure.
3. An electric motor insulating end cap according to claim 1, wherein: the bearing sleeve (2) is made of stainless steel materials, and the bearing sleeve (2) and the insulating end cover body (1) are in interference fit.
4. An electric motor insulating end cap according to claim 1, wherein: and epoxy resin (4) is filled on the peripheral side between the bearing sleeve (2) and the insulating end cover body (1).
5. An electric motor insulating end cap according to claim 1, wherein: and glass cloth plates (8) are arranged between the inner side bearing end cover (6), the outer side bearing end cover (7) and the insulating end cover body (1).
6. An electric motor insulating end cap according to claim 1, wherein: and threaded holes (11) corresponding to the fixing bolts (9) are formed in the periphery sides of the centers of the inner side bearing end cover (6), the outer side bearing end cover (7) and the insulating end cover body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020628873.8U CN211791039U (en) | 2020-04-23 | 2020-04-23 | Insulating end cover of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020628873.8U CN211791039U (en) | 2020-04-23 | 2020-04-23 | Insulating end cover of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211791039U true CN211791039U (en) | 2020-10-27 |
Family
ID=72956496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020628873.8U Expired - Fee Related CN211791039U (en) | 2020-04-23 | 2020-04-23 | Insulating end cover of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211791039U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12113421B2 (en) | 2020-12-08 | 2024-10-08 | Huawei Digital Power Technologies Co., Ltd. | Motor, powertrain, and vehicle |
-
2020
- 2020-04-23 CN CN202020628873.8U patent/CN211791039U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12113421B2 (en) | 2020-12-08 | 2024-10-08 | Huawei Digital Power Technologies Co., Ltd. | Motor, powertrain, and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201027 |