CN204967491U - Motor prevent bearings electrolysis structure - Google Patents
Motor prevent bearings electrolysis structure Download PDFInfo
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- CN204967491U CN204967491U CN201520652639.8U CN201520652639U CN204967491U CN 204967491 U CN204967491 U CN 204967491U CN 201520652639 U CN201520652639 U CN 201520652639U CN 204967491 U CN204967491 U CN 204967491U
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Abstract
The utility model is suitable for a motor field, motor prevent bearings electrolysis structure is provided, it is including the primary shaft support bracket of locating the stator module both sides respectively with the secondary shaft support bracket and electrically conduct and be connected the metallic conduction component between primary shaft support bracket and secondary shaft support bracket, the metallic conduction component is the integrated into one piece structure, the metallic conduction component include with the electrically conductive first electric conductor of being connected of primary shaft support bracket, with electrically conductive second electric conductor of being connected of secondary shaft support bracket and electrically conductive the connection in buckling in order to adjust the flexible electric conductor between first electric conductor and the second electric conductor between first electric conductor and the second electric conductor. The utility model discloses an electrically conductive primary shaft support bracket and the secondary shaft support bracket connected of metallic conduction component, the electrically conductive reliability height of its metallic conduction component, and simple to operate, the phenomenon the that ageing failure can not appear and drop have been guaranteed the motor and have been prevented the long -term reliability of bearings electrolysis performance.
Description
Technical field
The utility model belongs to machine field, particularly relates to a kind of anti-bearing electric corrosion structure of motor.
Background technology
Traditional plastic-sealing brushless DC motor ubiquity bearing galvanic corrosion problems, in order to solve this technical problem, prior art proposes the technology case arranging conductive tape between the bearing bracket of both sides.Particularly, the two ends bonding both sides bearing bracket respectively of conductive tape, like this, the electrical connection of both sides bearing bracket can be realized by conductive tape, serve the effect alleviating bearing galvanic corrosion to a certain extent, but the program still has the following disadvantages in a particular application: 1) rely on separately conductive tape to fix with the bonding installation realizing conductive tape of bearing bracket, its solid and reliable property of installing is low; 2) in order to realize the bonding of conductive tape and bearing bracket, bearing bracket need be made to have exposed parts and this exposed parts need carry out the operations such as oil stain, its bonding operating process is complicated; 3) after motor long-time running, conductive tape may due to aging and occur the situation that colloidality stability declines, thus the situation causing the contact resistance of conductive tape to increase even coming off occurs, and then the situation causing the electrical connection of both sides bearing bracket to be lost efficacy occurs, finally cannot realize the long-term effectiveness of both sides bearing bracket electrical connection, have a strong impact on the long-term reliability of the anti-bearing electric corrosion performance of plastic-sealing brushless DC motor.
Utility model content
The purpose of this utility model is the anti-bearing electric corrosion structure providing motor, which solves anti-bearing electric corrosion structure in existing motor and installs the technical problem that solid and reliable property is low, installation process is complicated, anti-bearing electric corrosion performance long-term reliability is low.
For achieving the above object, the technical solution adopted in the utility model is: the anti-bearing electric corrosion structure of motor, comprise the clutch shaft bearing bracket and the second bearing bracket of being located at stator module both sides respectively and conduction and be connected to metal conductive member between described clutch shaft bearing bracket and described second bearing bracket, described metal conductive member is formed in one structure, described metal conductive member comprises and to conduct electricity the first electric conductor be connected with described clutch shaft bearing bracket, conduct electricity the second electric conductor of being connected and conduction with described second bearing bracket to be connected between described first electric conductor and described second electric conductor and flexible with the flexible electric conductor adjusting angle between described first electric conductor and described second electric conductor.
Preferably, the anti-bearing electric corrosion structure of above-mentioned motor also comprises plastic shell, described stator module, described clutch shaft bearing bracket and described first electric conductor are all packaged in described plastic shell, and described second electric conductor and described flexible electric conductor are all located at outside described plastic shell.
Preferably, described first electric conductor comprises and to conduct electricity the first electrically conducting contact be connected and the first conductive body be located between described first electrically conducting contact and described flexible electric conductor with described clutch shaft bearing bracket, and described first conductive body extends along the radial direction of motor from described first electrically conducting contact to the lateral surface of described plastic shell.
Preferably, the outer surface of described first conductive body is also provided with insulator, and described insulator is be coated with the insulating coating be located on described first conductive body outer surface; Or described insulator is be installed on insulating sleeve on described first conductive body outer surface or insulating tape or Insulating frame.
Preferably, described insulator is also provided with the card interpolating unit of closing with the inserting of described stator module card.
Preferably, the lateral surface of described plastic shell is provided with the axially extended detent along motor, and described second electric conductor comprises one end and is connected with described flexible electric conductor and is stuck in the second conductive body in described detent and is convexly equipped in the described second conductive body other end and conduct electricity for described second bearing bracket the second electrically conducting contact be connected.
Preferably, the end away from described clutch shaft bearing bracket of described plastic shell is provided with screens flange, and described second bearing bracket is provided with the seam groove coordinated with described screens flange, the inwall conductive contact of described second electrically conducting contact and described seam groove.
Preferably, the inwall of described seam groove comprises interior diapire and madial wall, described second electrically conducting contact comprise with the lateral conduction portion of the madial wall conductive contact of described seam groove and with described seam groove within the end face conductive part of diapire conductive contact.
Preferably, described lateral conduction portion is provided with the shell fragment protruded towards the madial wall of described seam groove, and on the madial wall of described seam groove, corresponding being convexly equipped with supports with described shell fragment the positioning convex coordinated.
Preferably, described end face conductive part is the elastic pressuring plate tilted obliquely along described second conductive body end; Or, described end face conductive part is I-shaped lamellar body, described I-shaped lamellar body has two recess, the end face of described screens flange is arranged with the end face notch part snapping in location for described I-shaped lamellar body, and in described end face notch part, is convexly equipped with two locating convex blocks extended respectively in two the female portions.
The anti-bearing electric corrosion structure of the motor that the utility model provides, electrical connection clutch shaft bearing bracket and the second bearing bracket is carried out by metal conductive member, effectively can realize the electrical connection between clutch shaft bearing bracket and the second bearing bracket, and contact with the outer coil support of the second bearing with the outer coil support of clutch shaft bearing respectively due to clutch shaft bearing bracket and the second bearing bracket, therefore, it effectively achieves the conducting of coil support outside coil support and the second bearing outside clutch shaft bearing, thus effectively prevent the generation of bearing galvanic corrosion phenomenon.Simultaneously, compared with prior art, metal conductive member in the utility model has with clutch shaft bearing bracket conductive contact reliable, reliable with the second bearing bracket conductive contact, easy for installation and the advantage of difficult drop-off, particularly, because metal conductive member is by the first electric conductor, second electric conductor and flexible electric conductor are formed, therefore, its electric conductivity good stability, and in use there will not be ageing failure, the phenomenon come off, like this, ensure that the solid and reliable property that metal conductive member is installed on the one hand, and ensure that the long-term effectiveness be electrically connected between clutch shaft bearing bracket and the second bearing bracket, fully ensure that the long-term reliability of motor for preventing bearing electric corrosion performance, the installation of metal conductive member can be made not need to carry out the operations such as removing greasy dirt to clutch shaft bearing bracket and the second bearing bracket on the other hand, its installation process is simple, easy to operate.
Accompanying drawing explanation
Fig. 1 is that the solid of the clutch shaft bearing bracket that provides of the utility model embodiment and the first metallic conduction part assembles schematic diagram;
Fig. 2 is that the plane of the clutch shaft bearing bracket that provides of the utility model embodiment and the first metallic conduction part assembles schematic diagram;
Fig. 3 is the structural representation of the plastic packaging stator assembly that the utility model embodiment provides;
Fig. 4 is the close-up schematic view at A place in Fig. 3;
Second conductive body in Fig. 4 snaps in be positioned the structural representation after in detent by Fig. 5;
Fig. 6 is the close-up schematic view at B place in Fig. 5;
Fig. 7 is the structural representation of the replacement embodiment of the second electrically conducting contact in Fig. 6;
Fig. 8 is the overall generalized section of the plastic packaging motor that the utility model embodiment provides;
Fig. 9 is the perspective view of the metal conductive member that the utility model embodiment provides;
Figure 10 is the planar structure schematic diagram of the metal conductive member that the utility model embodiment provides;
Figure 11 is the structural representation of the second bearing bracket that the utility model embodiment provides;
Figure 12 is the close-up schematic view at C place in Figure 11 of providing of the utility model embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
It should be noted that, when element is called as on " being fixed on " or " being arranged at " another element, it can directly on another element or may there is centering elements simultaneously.When an element is known as " connection " another element, it can be directly connect another element or may there is centering elements simultaneously.
Also it should be noted that, the orientation term such as left and right, upper and lower, the top in following examples, end, is only relative concept or be reference with the normal operating condition of product each other, and should not be regarded as have restrictive.
As shown in Fig. 1 ~ 12, the anti-bearing electric corrosion structure of the motor that the utility model embodiment provides, comprise the clutch shaft bearing bracket 1 being located at stator module 7 side, be located at the second bearing bracket 2 of stator module 7 opposite side, be packaged in the plastic shell 4 outside stator module 7 and clutch shaft bearing bracket and conduct electricity the metal conductive member 3 be connected between clutch shaft bearing bracket 1 and the second bearing bracket 2, metal conductive member 3 is formed in one structure, metal conductive member 3 comprises and is packaged in plastic shell 4 and conducts electricity with clutch shaft bearing bracket 1 the first electric conductor 31 be connected, be located at plastic shell 4 outer and conduct electricity the second electric conductor 32 of being connected and be located at plastic shell 4 and conduct electricity and to be connected between the first electric conductor 31 and the second electric conductor 32 and flexible with the flexible electric conductor 33 adjusting angle between the first electric conductor 31 and the second electric conductor 32 outward with the second bearing bracket 2.Stator module 7 specifically can comprise stator core 71, is located at the insulating element 72 on stator core 71 and is set around stator winding 73 on insulating element 72, the motor that the utility model embodiment provides is specially plastic packaging motor, it also comprises rotating shaft 5, rotor 10 (not shown), the second bearing 9 being placed in the clutch shaft bearing 8 in clutch shaft bearing bracket 1 and being placed in the second bearing bracket 2, clutch shaft bearing bracket 1 specifically has the clutch shaft bearing chamber for the accommodating location of clutch shaft bearing 8, second bearing bracket 2 specifically has the second bearing chamber for the second accommodating location of bearing 9, clutch shaft bearing 8 is installed in the clutch shaft bearing chamber of clutch shaft bearing bracket 1, the second bearing bore that second bearing 9 is installed on the second bearing bracket 2 is indoor, and rotor 10, clutch shaft bearing 8 and the second bearing 9 are all installed in rotating shaft 5, rotor 10 wears the inner side being installed on stator module 7.Stator module 7, clutch shaft bearing 8, clutch shaft bearing bracket 1, plastic shell 4 and the first electric conductor 31 be composition plastic packaging stator assembly jointly.Clutch shaft bearing 8 have coordinate with rotating shaft 5 first in coil support and the first outer coil support of coordinating with clutch shaft bearing bracket 1, the second bearing 9 have coordinate with rotating shaft 5 second in coil support and the second outer coil support of coordinating with the second bearing bracket 2.The anti-bearing electric corrosion structure of the motor that the utility model embodiment provides, electrical connection clutch shaft bearing bracket 1 and the second bearing bracket 2 is carried out by metal conductive member 3, effectively can realize the electrical connection between clutch shaft bearing bracket 1 and the second bearing bracket 2, and contact with the second outer ring stent conduction of the second bearing 9 with the first outer coil support of clutch shaft bearing 8 respectively due to clutch shaft bearing bracket 1 and the second bearing bracket 2, clutch shaft bearing 8 first in coil support and the second bearing 9 second in coil support all with rotating shaft 5 conductive contact, therefore, it effectively achieves the conducting of the first outer coil support and the second outer coil support, the conducting of coil support in coil support and second in first, thus effectively prevent the generation of bearing galvanic corrosion phenomenon.Simultaneously, metal conductive member 3 has with clutch shaft bearing bracket 1 conductive contact reliable, reliable with the second bearing bracket 2 conductive contact, easy for installation and the advantage of difficult drop-off, particularly, because metal conductive member 3 is by the first electric conductor 31, second electric conductor 32 and flexible electric conductor 33 are formed, therefore, its electric conductivity good stability, and in use there will not be ageing failure, the phenomenon come off, like this, ensure that the solid and reliable property that metal conductive member 3 is installed on the one hand, and ensure that the long-term effectiveness of electrical connection between clutch shaft bearing bracket 1 and the second bearing bracket 2, fully ensure that the long-term reliability of motor for preventing bearing electric corrosion performance, the installation of metal conductive member 3 can be made not need to carry out the operations such as removing greasy dirt to clutch shaft bearing bracket 1 and the second bearing bracket 2 on the other hand, its installation process is simple, easy to operate.
Preferably, the flat member that metal conductive member 3 is formed in one, first electric conductor 31 and the second electric conductor 32 are all elongated lamellar body, and the width of the width of the first electric conductor 31 and the second electric conductor 32 is all greater than the width of flexible electric conductor 33, like this, be beneficial to flexible electric conductor 33 to bend.
Preferably, in the lump with reference to shown in Fig. 1, Fig. 8, Fig. 9 and Figure 10, first electric conductor 31 comprises the first electrically conducting contact 311 of conducting electricity with clutch shaft bearing bracket 1 and being connected and is located at the first conductive body 312, first conductive body 312 between the first electrically conducting contact 311 and flexible electric conductor 33 and extends from the first electrically conducting contact 311 to the lateral surface of plastic shell 4 along the radial direction of motor.First electrically conducting contact 311 and the first conductive body 312 are all packaged in plastic shell, first electric conductor 31 is packaged in plastic shell 4 by it, the firm by property of raising first electric conductor 31 installation can be beneficial to, prevent the first electric conductor 31 in use to occur the phenomenon come off, and fully ensure that the long-term reliability of the first electric conductor 31 and clutch shaft bearing bracket 1 conductive contact.Of course, in embody rule, also can make that the end away from the first electrically conducting contact 311 of the first conductive body 312 is convex to be exposed to outside plastic shell 4.
Preferably, in the lump with reference to shown in Fig. 1, Fig. 2, Fig. 8, Fig. 9 and Figure 10, the first electrically conducting contact 311 of the first electric conductor 31 is connected with clutch shaft bearing bracket 1 by riveting method.Clutch shaft bearing bracket 1 comprises bearings body 11 and is convexly equipped in the chassis 12 of bearings body 11 one end, first electrically conducting contact 311 runs through and is provided with for the first perforation 3111, chassis 12 is run through and is provided with for the second perforation (not shown), during concrete installation, rivet 6 is arranged in the first perforation 3111 and the second perforation also to rivet and is fastened in the first perforation 3111 and the second perforation, it is beneficial to the solid and reliable property improving the first electric conductor 31 further and install, and be beneficial to and prevent the first electric conductor 31 loose shift in the process of the shaping plastic shell of plastic packaging 4 from causing the bad phenomenon of the first electric conductor 31 and clutch shaft bearing bracket 1 conductive contact to occur.Of course, in embody rule, the first electric conductor 31 is also connected with clutch shaft bearing bracket 1 by alternate manner, as welding or buckle connect or welding or grafting or support the mode etc. of contact.
Preferably, in the lump with reference to shown in Fig. 1, Fig. 9 and Figure 10, the end away from the first connecting portion 312 of the first electrically conducting contact 311 is provided with and abuts with bearings body 11 side the curved end 3112 coordinated, like this, the reliability improving the first electric conductor 31 and clutch shaft bearing bracket 1 conductive contact is further beneficial to.
Preferably, in the lump with reference to shown in Fig. 1, Fig. 8, Fig. 9 and Figure 10, the outer surface of the first conductive body 312 is also provided with insulator 313.Herein, by the setting of insulator 313, be beneficial to the insulation property between raising first conductive body 312 and stator winding 73.
Preferably, insulator 313 is also provided with the card interpolating unit (not shown) of closing with the inserting of stator module 7 card, on the insulating element 72 of stator module 7, correspondence is provided with the Plug Division of closing with the inserting of card interpolating unit card.In the process of molded injection moulding plastic shell, the card inserting of card interpolating unit and Plug Division is closed, and can play the effect of support, location, thus be beneficial to the deflection reducing the first electric conductor 31 generation in molded injection moulding process to the first electric conductor 31.
Particularly, card interpolating unit is be located at the pin on insulator 313, and Plug Division is be located at the jack on the insulating element 72 of stator module 7; Or card interpolating unit is be located at the jack on insulator 313, Plug Division is be located at the pin on the insulating element 72 of stator module 7.Like this, the card inserting that all can realize card interpolating unit and Plug Division is closed.
Preferably, insulator 313 is be coated with the insulating coating be located on the first conductive body 312 outer surface; Or, insulator 313 for being installed on insulating sleeve on the first conductive body 312 outer surface or insulating tape or Insulating frame, like this, by realizing the insulation protection effect of insulator 313 to the first conductive body 312.
Preferably, in the lump with reference to shown in Fig. 3 ~ 8, the lateral surface of plastic shell 4 is provided with detent 41, second electric conductor 32 extended towards the second bearing bracket 2 along the axis of motor from flexible electric conductor 33 and comprises one end and be connected with flexible electric conductor 33 and the second conductive body 321 be stuck in detent 41 and be convexly equipped in second conductive body 321 other end and conduct electricity for the second bearing bracket 2 the second electrically conducting contact 322 be connected.The thickness of the second conductive body 321 is less than or equal to the degree of depth of detent 41, like this, be beneficial to guarantee second conductive body 321 can be placed in completely in detent 41, can not convexly expose outside the lateral surface of plastic shell 4 to make the second conductive body 321, like this, both be beneficial to the solid and reliable property that raising second electric conductor 32 is installed, and be beneficial to again protection second electric conductor 32, be beneficial to and prevent the second electric conductor 32 from being scraped by foreign object.
Preferably, in the lump with reference to shown in Fig. 3, Fig. 5, Fig. 6 and Figure 10, the end away from clutch shaft bearing bracket 1 of plastic shell 4 is provided with screens flange 42, second bearing bracket 2 is provided with the seam groove 21 with screens flange 42 clamping matching, second bearing bracket 2 is specifically covered on screens flange 42 by compression joint technique crimping, and then achieving the assembling of the second bearing bracket 2 and plastic shell 4, its installation process is simple.The inwall conductive contact of the second electrically conducting contact 322 and seam groove 21, namely the second electrically conducting contact 322 is installed between screens flange 42 and seam groove 21, which ensure that the second electrically conducting contact 322 installs the solid and reliable property of location, and ensure that the second electrically conducting contact 322 and the second bearing bracket 2 conduct electricity the long-term reliability be connected.
Particularly, in the lump with reference to shown in Fig. 5 ~ 11, the inwall of seam groove 21 comprises the madial wall that coordinates with screens flange 42 lateral wall and diapire in coordinating with screens flange 42 top end face, the second electrically conducting contact 322 comprise with the lateral conduction portion 3221 of the madial wall conductive contact of seam groove 21 and with seam groove 21 within the end face conductive part 3222 of diapire conductive contact.Herein, second electrically conducting contact 322 is set to and is made up of lateral conduction portion 3221 and end face conductive part 3222 two parts, raising second electrically conducting contact 322 can be beneficial on the one hand and be installed on solid and reliable property between screens flange 42 and seam groove 21, be beneficial to raising second electrically conducting contact 322 and the second bearing bracket 2 on the other hand and conduct electricity the reliability be connected.
Preferably, in the lump with reference to shown in Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9 and Figure 11, lateral conduction portion 3221 is provided with the shell fragment 32211 protruded towards the madial wall of seam groove 21, and on the madial wall of seam groove 21, correspondence is convexly equipped with the positioning convex 211 supported with shell fragment 32211 and coordinate.Shell fragment 32211 and the setting of positioning convex 211, can be beneficial to the reliability improving the second electrically conducting contact 322 and the second bearing bracket 2 conductive contact further.
Preferably, in the lump with reference to shown in Fig. 8, Figure 11 and Figure 12, the lateral wall of the second bearing bracket 2 is arranged with the sign groove 22 arranged with positioning convex 211 contraposition.In embody rule, the second bearing bracket 2 covers and is installed on screens flange 42 by the mode of aiming at the second electric conductor 32 by making sign groove 22.The setting indicating groove 22 can play guide effect to the assembling of the second bearing bracket 2 and plastic shell 4, thus is beneficial to installation effectiveness and the installation site accuracy of raising second bearing bracket 2.
Preferably, in the lump with reference to Fig. 5, Fig. 6, shown in Fig. 8 and Figure 11, the concrete set-up mode of one as end face conductive part 3222, end face conductive part 3222 is the elastic pressuring plate tilted obliquely along the second conductive body 321 end, particularly, when the second bearing bracket 2 is covered by compression joint technique be installed on screens flange 42 time, elastic pressuring plate can be pressed on the end face of screens flange 42 by the interior diapire of seam groove 21, like this, both the solid and reliable property that location installed by raising second electric conductor 32 had been beneficial to, be beneficial to again raising second electric conductor 32 and the second bearing bracket 2 and conduct electricity the reliability be connected.
Preferably, above-mentioned elastic pressuring plate is arc lamellar body, like this, the elasticity of elastic pressuring plate can be made better, be beneficial to and prevent elastic pressuring plate from being occurred by the phenomenon that backfin is broken.
Or, in the lump with reference to shown in Fig. 7, Fig. 8 and Figure 11, the concrete set-up mode of another kind as end face conductive part 3222, end face conductive part 3222 is the I-shaped lamellar body that the second conductive body 321 top is located in bending, I-shaped lamellar body has two recess 32221, is mutual vertical relation or roughly in mutual vertical relation between end face conductive part 3222 and the second conductive body 321.The end face of screens flange 42 is arranged with the end face breach 421 snapping in location for I-shaped lamellar body, and in end face breach 421, is convexly equipped with two locating convex blocks 422 extended respectively in two recess 32221.Herein, by the clamping matching of recess 32221 with locating convex block 422, raising end face conductive part 3232 further can be beneficial to and be installed on the solid and reliable property in end face notch part 4212, thus be beneficial to the reliability improving end face conductive part 3232 and the second bearing bracket 2 conductive contact further.When the second bearing bracket 2 is covered by compression joint technique be installed on screens flange 42 time, I-shaped lamellar body can be pressed in end face breach 421 by the interior diapire of seam groove 21, and can make locating convex block 422 be pressed into be stuck in two recess 32221.
Preferably, in the lump with reference to shown in Fig. 7 and Figure 11, the lateral surface of screens flange 42 is also arranged with the side breach 423 snapping in location for end face conductive part 3221.The setting of end face breach 421 and locating notch 423, can with under the prerequisite of seam groove 21 inwall conductive contact at guarantee second electrically conducting contact 322, both can play position-limiting action to the second electrically conducting contact 323, and can prevent again the assembling of the second electrically conducting contact 323 to the second bearing bracket 2 and plastic shell 4 from producing interference.
In the anti-bearing electric corrosion structure of the motor that the utility model embodiment provides, metal conductive member 3 has and the advantage of difficult drop-off reliable with clutch shaft bearing bracket 1, second bearing bracket 2 conductive contact.
The anti-bearing electric corrosion structure of the motor that the utility model embodiment provides is preferably applied in plastic package brushless direct current motor, like this, the anti-bearing electric corrosion performance of plastic package brushless direct current motor can be improved dramatically, and then be beneficial to the useful life effectively extending plastic package brushless direct current motor.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace or improvement etc., all should be included within protection range of the present utility model.
Claims (10)
1. the anti-bearing electric corrosion structure of motor, comprise the clutch shaft bearing bracket and the second bearing bracket of being located at stator module both sides respectively, it is characterized in that: also comprise the metal conductive member conducting electricity and be connected between described clutch shaft bearing bracket and described second bearing bracket, described metal conductive member is formed in one structure, described metal conductive member comprises and to conduct electricity the first electric conductor be connected with described clutch shaft bearing bracket, conduct electricity the second electric conductor of being connected and conduction with described second bearing bracket to be connected between described first electric conductor and described second electric conductor and flexible with the flexible electric conductor adjusting angle between described first electric conductor and described second electric conductor.
2. the anti-bearing electric corrosion structure of motor as claimed in claim 1, it is characterized in that: also comprise plastic shell, described stator module, described clutch shaft bearing bracket and described first electric conductor are all packaged in described plastic shell, and described second electric conductor and described flexible electric conductor are all located at outside described plastic shell.
3. the anti-bearing electric corrosion structure of motor as claimed in claim 2, it is characterized in that: described first electric conductor comprises and to conduct electricity the first electrically conducting contact be connected and the first conductive body be located between described first electrically conducting contact and described flexible electric conductor with described clutch shaft bearing bracket, and described first conductive body extends along the radial direction of motor from described first electrically conducting contact to the lateral surface of described plastic shell.
4. the anti-bearing electric corrosion structure of motor as claimed in claim 3, is characterized in that: the outer surface of described first conductive body is also provided with insulator, and described insulator is be coated with the insulating coating be located on described first conductive body outer surface; Or described insulator is be installed on insulating sleeve on described first conductive body outer surface or insulating tape or Insulating frame.
5. the anti-bearing electric corrosion structure of motor as claimed in claim 4, is characterized in that: described insulator is also provided with the card interpolating unit of closing with the inserting of described stator module card.
6. the anti-bearing electric corrosion structure of the motor as described in any one of claim 2 to 5, it is characterized in that: the lateral surface of described plastic shell is provided with the axially extended detent along motor, described second electric conductor comprises one end and is connected with described flexible electric conductor and is stuck in the second conductive body in described detent and is convexly equipped in the described second conductive body other end and conduct electricity for described second bearing bracket the second electrically conducting contact be connected.
7. the anti-bearing electric corrosion structure of motor as claimed in claim 6, it is characterized in that: the end away from described clutch shaft bearing bracket of described plastic shell is provided with screens flange, described second bearing bracket is provided with the seam groove coordinated with described screens flange, the inwall conductive contact of described second electrically conducting contact and described seam groove.
8. the anti-bearing electric corrosion structure of motor as claimed in claim 7, it is characterized in that: the inwall of described seam groove comprises interior diapire and madial wall, described second electrically conducting contact comprise with the lateral conduction portion of the madial wall conductive contact of described seam groove and with described seam groove within the end face conductive part of diapire conductive contact.
9. the anti-bearing electric corrosion structure of motor as claimed in claim 8, it is characterized in that: described lateral conduction portion is provided with the shell fragment protruded towards the madial wall of described seam groove, on the madial wall of described seam groove, corresponding being convexly equipped with supports with described shell fragment the positioning convex coordinated.
10. the anti-bearing electric corrosion structure of motor as claimed in claim 9, is characterized in that: described end face conductive part is the elastic pressuring plate tilted obliquely along described second conductive body end; Or, described end face conductive part is I-shaped lamellar body, described I-shaped lamellar body has two recess, the end face of described screens flange is arranged with the end face notch part snapping in location for described I-shaped lamellar body, and in described end face notch part, is convexly equipped with two locating convex blocks extended respectively in two the female portions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520652639.8U CN204967491U (en) | 2015-08-25 | 2015-08-25 | Motor prevent bearings electrolysis structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520652639.8U CN204967491U (en) | 2015-08-25 | 2015-08-25 | Motor prevent bearings electrolysis structure |
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| CN204967491U true CN204967491U (en) | 2016-01-13 |
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| CN201520652639.8U Active CN204967491U (en) | 2015-08-25 | 2015-08-25 | Motor prevent bearings electrolysis structure |
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2015
- 2015-08-25 CN CN201520652639.8U patent/CN204967491U/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110832754A (en) * | 2017-06-02 | 2020-02-21 | 法雷奥***公司 | Gear motor for a motor vehicle scraping system |
| CN110832754B (en) * | 2017-06-02 | 2021-10-26 | 法雷奥***公司 | Gear motor for a motor vehicle scraping system |
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| CN113452187A (en) * | 2019-07-26 | 2021-09-28 | 广东威灵电机制造有限公司 | Brushless motor and electrical equipment |
| CN112366897B (en) * | 2019-07-26 | 2024-07-09 | 广东威灵电机制造有限公司 | Brushless motor and electrical equipment |
| US12040678B2 (en) | 2019-07-26 | 2024-07-16 | Guangdong Welling Motor Manufacturing Co., Ltd. | Brushless motor and electrical equipment |
| WO2023231498A1 (en) * | 2022-06-01 | 2023-12-07 | 威灵（芜湖）电机制造有限公司 | Electric motor and electrical device |
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