CN212909164U - Electric corrosion prevention structure and motor thereof - Google Patents
Electric corrosion prevention structure and motor thereof Download PDFInfo
- Publication number
- CN212909164U CN212909164U CN202021829054.6U CN202021829054U CN212909164U CN 212909164 U CN212909164 U CN 212909164U CN 202021829054 U CN202021829054 U CN 202021829054U CN 212909164 U CN212909164 U CN 212909164U
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- end cover
- rear end
- conduction
- conduction plate
- hole
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- 238000005536 corrosion prevention Methods 0.000 title claims abstract description 20
- 230000003628 erosive effect Effects 0.000 claims abstract description 7
- 238000005260 corrosion Methods 0.000 claims description 11
- 230000007797 corrosion Effects 0.000 claims description 11
- 229910001369 Brass Inorganic materials 0.000 claims description 5
- 239000010951 brass Substances 0.000 claims description 5
- 230000002265 prevention Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 238000011900 installation process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
The utility model discloses an electric corrosion prevention structure and a motor thereof, the electric corrosion prevention structure comprises a front end cover, a rear end cover and a conduction plate for connecting the front end cover and the rear end cover; the front end cover is provided with a first connecting hole; the conduction plate is inserted into the first connecting hole through the first fixing part and connected with the front end cover; the rear end cover is provided with a second connecting hole; the conduction plate is inserted into the second connecting hole through the second fixing part and connected with the rear end cover; the one end that the conduction board connects the rear end cover still is provided with the locating piece. The conduction plate is arranged to connect the front end cover and the rear end cover, so that the potential difference between the front end cover and the rear end cover is effectively reduced; through setting up first fixed part, second fixed part and locating piece, guaranteed the installation convenience of conduction board, also improved the connection reliability of preventing the electric erosion structure.
Description
Technical Field
The utility model belongs to the technical field of the motor technique and specifically relates to an prevent electroerosion structure and motor thereof.
Background
At present, the electric corrosion prevention measure of the motor is to effectively connect the outer rings of the front bearing and the rear bearing so as to form a loop with a shaft, reduce the potential difference of the inner ring and the outer ring of the bearing and further inhibit the risk of electric corrosion of the bearing. Therefore, the connection between the end covers of the front bearing and the rear bearing of the motor is required to ensure firmness, improve contact performance and reduce contact resistance, so that the potential difference in a loop is ensured to be kept at a low level. The anti-electric corrosion structure of the existing motor often has the problems of complex installation procedures and poor reliability, and is difficult to popularize in practical application.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, an object of the present invention is to provide an electric corrosion prevention structure and a motor thereof for improving the installation convenience and connection reliability of the electric corrosion prevention structure.
The utility model provides a technical scheme that its problem adopted is:
in a first aspect of the present invention, an anti-galvanic corrosion structure includes a front end cover, a rear end cover, and a conduction plate connecting the front end cover and the rear end cover; the front end cover is provided with a first connecting hole; the conduction plate is inserted into the first connecting hole through a first fixing part and is connected with the front end cover; the rear end cover is provided with a second connecting hole; the conduction plate is inserted into the second connecting hole through a second fixing part and is connected with the rear end cover; the one end that the conduction board is connected the rear end cover still is provided with the locating piece.
The electric corrosion prevention structure at least has the following beneficial effects: the conduction plate is arranged to connect the front end cover and the rear end cover, so that the potential difference between the front end cover and the rear end cover is effectively reduced; through setting up first fixed part, second fixed part and locating piece, guaranteed the installation convenience of conduction board, also improved the connection reliability of preventing the electric erosion structure.
Further, the positioning block is rectangular. The shape of locating piece is the rectangle, restricts the activity of conduction board, avoids the terminal of conduction board to take place to slide, prevents the wearing and tearing that lead to because of the terminal slip of conduction board when using for a long time.
Further, the number of the positioning blocks is two. The quantity of locating piece is two activities of further restriction conduction board, avoids taking place the condition of contact failure between conduction board end and the nut.
Further, the first fixing part is a rivet; and a fastening ring is also arranged between the first fixing part and the first connecting hole. Through setting up the tighrening ring, avoid first fixed part and front end housing to take place the condition that drops, guarantee the stability of being connected of front end housing and conduction board.
Further, the first fixing member and the fastening ring are each made of brass. First fixed part and tighrening ring are made by the brass, have stronger wearability and electric conductivity, both guaranteed the front end housing and led on the stability of being connected of board, have also reduced the contact resistance between front end housing and the rear end cap.
Further, the second fixing member includes a bolt and a nut. Through setting up bolt and nut, improved the connection stability between conduction board and the rear end cap.
In a second aspect of the present invention, a motor includes a housing, a front bearing, a rear bearing and the above-mentioned electric erosion preventing structure, wherein the housing is provided with a conduction groove having a shape consistent with that of the conduction plate; the front end cover is embedded in the shell; the front bearing is nested in the front end cover; the rear bearing is nested in the rear end cover; and the shell is provided with a positioning groove matched with the positioning block.
Furthermore, a first through hole and a second through hole are respectively formed in two ends of the conduction groove, and the first fixing part penetrates through the first through hole and is connected with the front end cover; the second fixing part penetrates through the second through hole and is connected with the rear end cover. Through setting up first through-hole and second through-hole, conduction board can fixed mounting on the conduction groove, has improved the stability of preventing the galvanic corrosion structure.
Further, the rear end cover is fixedly connected with the shell through the second fixing part penetrating through the second connecting hole and the second through hole. The structure simplifies the steps of mounting and fixing the shell and the rear end cover, and also improves the connection stability of the conduction plate and the rear end cover.
Further, the depth of the conducting groove is larger than the thickness of the conducting plate. The structure enables the conduction plate to be installed in the conduction groove, and the situation that the contact between the front end cover and the rear end cover is reduced due to the fact that a foreign object contacts the conduction plate and the electric corrosion prevention effect is affected is avoided.
The beneficial effect of above-mentioned motor is: by arranging the electric corrosion prevention structure, the front end cover is fixedly connected with one end of the conduction plate through a rivet; the other end of the conduction plate penetrates through the second through hole and the second connecting hole through bolts and is locked and fixed on the shell through nuts, so that the fixing process of the conduction plate and the installation process of the rear end cover are completed at one time, the production flow is simplified, the contact between the front end cover and the rear end cover is also ensured, and the electric corrosion prevention effect is improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a structural diagram of an electric corrosion prevention structure according to an embodiment of the present invention;
FIG. 2 is an exploded view of an anti-galvanic corrosion structure according to an embodiment of the present invention;
fig. 3 is a structural diagram of an electric machine according to an embodiment of the present invention;
fig. 4 is a cross-sectional view of an electric machine according to an embodiment of the present invention;
fig. 5 is a top view of an electric machine according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
Referring to fig. 1 and 2, an embodiment of the present invention provides an electric corrosion prevention structure, including a front end cover 100, a rear end cover 200, and a conduction plate 300 connecting the front end cover 100 and the rear end cover 200; the front cover 100 is provided with a first connection hole 110; the conduction plate 300 is inserted into the first connection hole 110 through the first fixing member 310 and connected to the front cover 100; the rear cap 200 is provided with a second connection hole 210; the conduction plate 300 is inserted into the second connection hole 210 through the second fixing member 320 and connected with the rear end cap 200; the conduction plate 300 is further provided with a positioning block 330 at one end connected with the rear end cap 200.
The conducting plate 300 is arranged to connect the front end cover 100 and the rear end cover 200, so that the potential difference between the front end cover 100 and the rear end cover 200 is effectively reduced; by providing the first fixing member 310, the second fixing member 320 and the positioning block 330, the installation convenience of the conduction plate 300 is ensured, and the connection reliability of the galvanic corrosion prevention structure is also improved.
In another embodiment, the positioning block 330 is rectangular in shape. The positioning block 330 is rectangular to limit the movement of the conduction plate 300, prevent the tail end of the conduction plate 300 from sliding, and prevent abrasion caused by the sliding of the tail end of the conduction plate 300 in long-term use.
In another embodiment, the number of the positioning blocks 330 is two. The number of the positioning blocks 330 is two, so that the movement of the conduction plate 300 is further limited, the condition of poor contact between the tail end of the conduction plate 300 and the nut is avoided, and the risk of electric corrosion is reduced.
In another embodiment, the first fastening member 310 is a rivet; a fastening ring 120 is further provided between the first fixing member 310 and the first coupling hole 110. Through setting up the fastening ring 120, avoid first fixed part 310 and front end housing 100 to take place the condition that drops, guarantee front end housing 100 and the stability of being connected of conduction board 300.
In another embodiment, the first fixing member 310 and the fastening ring 120 are made of brass. The first fixing member 310 and the fastening ring 120 are made of brass, and have high wear resistance and electrical conductivity, thereby ensuring the connection stability of the front end cover 100 and the conduction plate 300 and reducing the contact resistance between the front end cover 100 and the rear end cover 200.
In another embodiment, the second fixing member 320 includes a bolt 321 and a nut 212. By providing the bolt 321 and the nut 322, the connection stability between the conduction plate 300 and the rear end cap 200 is improved.
Referring to fig. 3 to 5, an embodiment of the present invention further provides a motor, including a housing 400, a front bearing 500, a rear bearing 600, and an anti-galvanic corrosion structure as described above, in which the housing 400 is provided with a conduction groove 410 having a shape consistent with that of the conduction plate 300; the front end cap 100 is embedded in the housing 400; the front bearing 500 is nested in the front end cover 100; the rear bearing 600 is nested in the rear end cover 200; the housing 400 is provided with a positioning groove 420 matching with the positioning block 330.
In another embodiment, a first through hole and a second through hole are respectively formed at two ends of the conduction groove 410, and the first fixing member 310 penetrates through the first through hole to be connected with the front end cover 100; the second fixing member 320 is connected to the rear cap 200 through the second through hole. By providing the first and second through holes, the conduction plate 300 can be fixedly mounted on the conduction groove 410, improving the stability of the anti-electrolytic corrosion structure.
In another embodiment, the rear cap 200 is fixedly coupled to the housing 400 by the second fixing member 320 through the second coupling hole 210 and the second through hole. This structure simplifies the steps of mounting and fixing the housing 400 and the rear cover 200, and also improves the connection stability between the conduction plate 300 and the rear cover 200.
In another embodiment, the depth of the conductive via 410 is greater than the thickness of the conductive plate 300. The structure enables the conduction plate 300 to be installed in the conduction groove 410, and avoids the influence on the electric erosion prevention effect caused by the contact between the front end cover 100 and the rear end cover 200 reduced by the contact of foreign matters to the conduction plate 300.
The working principle of the present invention will be further explained below.
In the installation process, the front end cover 100 is first fixed in the housing 400, so that the first connection hole 110 is aligned with the first through hole; then, the first fixing member 310 sleeved with the fastening ring 120 is inserted into the first connecting hole 110 and the first through hole after passing through one end of the conduction plate 300, and the first fixing member 310 is rivet-connected with the front end cover 100; installing the conduction plate 300 on the conduction groove 410, and embedding the positioning block 330 into the positioning groove 420; after the stator, the rotating shaft, the front bearing 500 and the rear bearing 600 of the motor are installed in the shell 400, the rear end cover 200 is attached to the rear end of the shell 400, and the second connecting hole 210 is opposite to the second connecting hole; the bolt 321 is sequentially passed through the second connection hole 210, the second through hole, and the conduction plate 300, and is fastened to the nut 322, thus completing the installation of the electro-erosion preventing structure. One end of the conduction plate 300 is rivet-connected with the first fixing part 310 and the front end cover 100, and the other end of the conduction plate 300 is fixed on the rear end cover 200 and the shell 400 through the second fixing part 320, so that the fixing process of the conduction plate 300 and the installation of the rear end cover 200 are completed quickly, the production flow is simplified, and the installation efficiency of the motor is improved. Through the location firm effect of constant head tank 420 and conduction groove 410, the fixed mounting of conduction board 300 is reliable firm, and whole installation is simple high-efficient, has both guaranteed the installation steadiness of motor, has also improved the anti-electric corrosion's of preventing the electric corrosion structure effect.
As can be seen from the above description, the electric corrosion prevention structure and the motor thereof of the present invention, by providing the electric corrosion prevention structure, the front end cover 100 is fixedly connected to one end of the conduction plate 300 through the rivet 310; the other end of the conduction plate 300 passes through the second through hole and the second connecting hole 210 by the bolt 321 and is locked and fixed on the shell 400 by the nut 322, so that the fixing process of the conduction plate 300 and the installation process of the rear end cover 200 are completed at one time, the production flow is simplified, the contact between the front end cover 100 and the rear end cover 200 is ensured, and the electric corrosion prevention effect is improved.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge range of those skilled in the art.
Claims (10)
1. An electric corrosion prevention structure is characterized by comprising a front end cover, a rear end cover and a conduction plate connected with the front end cover and the rear end cover; the front end cover is provided with a first connecting hole; the conduction plate is inserted into the first connecting hole through a first fixing part and is connected with the front end cover; the rear end cover is provided with a second connecting hole; the conduction plate is inserted into the second connecting hole through a second fixing part and is connected with the rear end cover; the one end that the conduction board is connected the rear end cover still is provided with the locating piece.
2. The erosion prevention structure of claim 1, wherein the positioning block is rectangular in shape.
3. The erosion prevention structure of claim 2, wherein the number of the positioning blocks is two.
4. The electrolytic corrosion prevention structure of claim 1, wherein the first fixing member is a rivet; and a fastening ring is also arranged between the first fixing part and the first connecting hole.
5. The erosion prevention structure of claim 4, wherein the first fixing member and the fastening ring are each made of brass.
6. The electrolytic corrosion prevention structure of claim 1, wherein the second fixing member comprises a bolt and a nut.
7. An electric motor comprising a housing, a front bearing, a rear bearing, and the anti-electrolytic corrosion structure according to any one of claims 1 to 6, the housing being provided with a conduction groove conforming to the shape of the conduction plate; the front end cover is embedded in the shell; the front bearing is nested in the front end cover; the rear bearing is nested in the rear end cover; and the shell is provided with a positioning groove matched with the positioning block.
8. The motor of claim 7, wherein a first through hole and a second through hole are respectively formed at two ends of the conduction groove, and the first fixing part passes through the first through hole and is connected with the front end cover; the second fixing part penetrates through the second through hole and is connected with the rear end cover.
9. The electric machine of claim 8 wherein said rear end cap is fixedly attached to said housing by said second securing member passing through said second attachment aperture and said second through hole.
10. An electrical machine according to claim 9, wherein the depth of the conduction channel is greater than the thickness of the conduction plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021829054.6U CN212909164U (en) | 2020-08-27 | 2020-08-27 | Electric corrosion prevention structure and motor thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021829054.6U CN212909164U (en) | 2020-08-27 | 2020-08-27 | Electric corrosion prevention structure and motor thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212909164U true CN212909164U (en) | 2021-04-06 |
Family
ID=75250969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021829054.6U Active CN212909164U (en) | 2020-08-27 | 2020-08-27 | Electric corrosion prevention structure and motor thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212909164U (en) |
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2020
- 2020-08-27 CN CN202021829054.6U patent/CN212909164U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 529000 No. 79 Kaiyuan Road, Tangxia Town, Pengjiang District, Jiangmen City, Guangdong Province (multiple photos of one site) Patentee after: JIANGMEN LT MOTOR Co.,Ltd. Country or region after: China Address before: 63 Xianghe Road, ChaoLian Industrial Park, Pengjiang district, Jiangmen City, Guangdong Province, 529100 Patentee before: JIANGMEN LT MOTOR Co.,Ltd. Country or region before: China |