CN212784961U - Oil seal structure for motor - Google Patents
Oil seal structure for motor Download PDFInfo
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- CN212784961U CN212784961U CN202021259974.9U CN202021259974U CN212784961U CN 212784961 U CN212784961 U CN 212784961U CN 202021259974 U CN202021259974 U CN 202021259974U CN 212784961 U CN212784961 U CN 212784961U
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Abstract
The utility model provides an oil blanket structure for motor belongs to oil blanket technical field. The oil seal structure for the motor comprises a motor rotating shaft and an oil seal assembly with an oil receiving structure. The oil blanket subassembly that the area connects oily structure includes the movable ring cover, quiet ring cover and spring and connect the oil jacket, the movable ring cover is equipped with two, spring coupling is to between two movable ring covers, two movable ring covers can support tightly in quiet ring cover inner wall both sides through all springs, lateral wall all is connected with the sealing washer lip in two movable ring covers, sealing washer lip and motor axis of rotation interference fit, connect the oil jacket to set up to two, two connect the oil jacket to be connected to quiet ring cover bottom both sides respectively, and two connect the inboard opening part of oil jacket all with motor axis of rotation contact. The utility model discloses when motor axis of rotation takes place the axial to save together and move, utilize two to connect the oil jacket to clear up the unnecessary lubricating oil that the motor axis of rotation drunkenness position spilled over, reduce the extravagant probability of lubricating oil outer drippage.
Description
Technical Field
The utility model relates to an oil blanket structure field particularly, relates to an oil blanket structure for motor.
Background
Oil seals are a common term for seals, simply the seal of lubricating oil. The oil seal structure can be often installed between the motor rotating shaft and the motor end cover, and can play a role in sealing and dust prevention.
However, after the existing motor rotating shaft is used for a long time, axial movement is usually caused for some reasons, and when the motor rotating shaft is in the axial direction, lubricating oil sealed at the oil seal is often driven to the outer side of the oil seal, so that the condition of lubricating oil waste is easily caused.
SUMMERY OF THE UTILITY MODEL
In order to compensate above not enough, the utility model provides an oil blanket structure for motor aims at improving because the extravagant problem of lubricating oil that the motor axis of rotation axial float leads to.
The utility model discloses a realize like this:
the utility model provides an oil blanket structure for motor, including motor axis of rotation and the oil blanket subassembly of area oil receiving structure.
The oil blanket subassembly that the area connects oily structure includes movable ring cover, quiet ring cover and spring and connects the oil jacket, movable ring cover is equipped with two, the quantity of spring sets up to a plurality of, a plurality of spring equidistance is connected to two between the movable ring cover, two movable ring cover can be through all the spring supports tightly quiet ring cover inner wall both sides, two movable ring cover is all established motor axis of rotation outer wall, two the lateral wall all is connected with the sealing washer lip in the movable ring cover, sealing washer lip and motor axis of rotation interference fit, connect the oil jacket to set up to two, two connect the oil jacket to be connected to quiet ring cover bottom both sides respectively, and two connect the oil jacket inboard opening part all with the motor axis of rotation contact.
In an embodiment of the present invention, there is a gap between the seal lip and the motor rotation shaft.
The utility model discloses an in the embodiment, the oil blanket subassembly that the area connects oily structure still includes lubricating oil channel spare, lubricating oil channel spare includes that main oil feed passageway, L shape divide oil feeding channel and L shape main oil feeding channel.
The utility model discloses an in one embodiment, main oil feed passageway communicate in ring cover upper portion, still be connected with the end cap on the main oil feed passageway.
The utility model discloses an in one embodiment, L shape branch oil inlet passageway sets up to two, two L shape branch oil inlet passageway's upper end all with main oil feed passageway intercommunication, main oil feed passageway still with two clearance intercommunication between the driving ring cover.
In an embodiment of the present invention, two the bottom of the L-shaped oil separation channel is communicated with the sealing ring lip.
In an embodiment of the present invention, the L-shaped main oil outlet channel is connected to the lower portion of the ring sleeve, and the tail end of the L-shaped main oil outlet channel is connected to the oil receiving sleeve outside.
The utility model discloses an in one embodiment, the oil outlet channel is divided to L shape sets up to two, two oil outlet channel upper portion is divided to L shape all with corresponding the sealing washer lip intercommunication, two oil outlet channel bottom is divided to L shape all communicate in L shape owner oil outlet channel.
In an embodiment of the present invention, the L-shaped oil outlet channel on the inner side is further communicated with a advection channel, and the advection channel is communicated with the oil receiving sleeve on the inner side.
The utility model discloses an in the embodiment, the outside connect the oil jacket to sheathe the intercommunication and have the oil extraction passageway, still install the valve on the oil extraction passageway, connect the oil jacket to sheathe in and still be connected with transparent window.
The utility model has the advantages that: the utility model discloses an above-mentioned design obtains an oil blanket structure for motor, takes place the axial at the motor axis of rotation and collects together when moving, utilizes two to connect the oil jacket to clear up the unnecessary lubricating oil that the position of motor axis of rotation drunkenness spills over, reduces the extravagant probability of lubricating oil outer drippage.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of an oil seal for an electric machine according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an oil seal assembly with an oil receiving structure according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a connection relationship between two movable ring sleeves according to an embodiment of the present invention;
fig. 4 is a schematic view of a connection relationship between the oil receiving sleeve and the oil discharging channel according to an embodiment of the present invention.
In the figure: 10-motor rotation axis; 20-an oil seal assembly with an oil receiving structure; 210-a movable ring sleeve; 220-a static ring sleeve; 230-a spring; 240-oil receiving sleeve; 250-seal lip; 260-a lubricant passage member; 261-a main oil inlet channel; 262-L-shaped oil separation channels; 263-L shape oil outlet channel; 264-L-shaped main oil outlet channel; 265-advection channel; 270-oil drain passage.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples
Referring to fig. 1, the present invention provides an oil seal structure for a motor, including a motor rotation shaft 10 and an oil seal assembly 20 with an oil receiving structure.
Wherein, the motor rotating shaft 10 is a shaft which bears bending moment and torque; the oil seal assembly 20 with the oil receiving structure is connected to the gap between the motor rotating shaft 10 and the inner wall of the external motor end cover, so that the sealing effect can be achieved, and the probability of entering dust and water in the motor is reduced.
Referring to fig. 2 to 4, the oil seal assembly 20 with the oil receiving structure includes a movable ring sleeve 210, a stationary ring sleeve 220, a spring 230 and an oil receiving sleeve 240, in the present invention, the stationary ring sleeve 220 is adhered to the inner wall of the external motor end cover by a special adhesive. The movable ring sleeves 210 are provided with two springs 230, the number of the springs 230 is set to be a plurality of, the springs 230 are equidistantly connected between the two movable ring sleeves 210, the two movable ring sleeves 210 can be tightly abutted to two sides of the inner wall of the stationary ring sleeve 220 through all the springs 230, in the embodiment, the springs 230 are fixed between the two movable ring sleeves 210 through screws, the springs 230 are arranged to enable the motor rotating shaft 10 to move, the influence on the movable ring sleeves 210 is reduced, and therefore the use stability of the whole oil seal structure is improved. Two move the equal cover of ring cover 210 and establish at 10 outer walls of motor axis of rotation, lateral wall all is connected with sealing washer lip 250 in two move the ring cover 210, sealing washer lip 250 and 10 interference fit of motor axis of rotation, two sealing washer lips 250 all have the space with motor axis of rotation 10, in this embodiment, sealing washer lip 250 longitudinal section is for falling the U-shaped setting, the space mentioned here is used for depositing lubricating oil, utilize lubricating oil can play clear effect, reduce the probability that gets into dust and water between oil blanket structure and the motor axis of rotation 10.
It should be noted that the specific model specification of the spring 230 needs to be determined by model selection according to the actual specification of the device, and the specific model selection calculation method adopts the prior art in the field, so detailed description is omitted.
Connect oil cover 240 to set up to two, two connect oil cover 240 to be connected to ring sleeve 220 bottom both sides respectively, and two connect the inboard opening part of oil cover 240 all to contact with motor rotation axis 10, in this embodiment, utilize and connect oil cover 240 can be when motor rotation axis 10 takes place the axial float, clear up the lubricating oil that its float position spilled over to its inside and carry out used repeatedly, reduce the extravagant probability of lubricating oil. The oil receiving sleeve 240 on the outer side is communicated with an oil discharge channel 270, a valve is further installed on the oil discharge channel 270, and the oil receiving sleeve 240 is further connected with a transparent window.
The oil seal assembly 20 with the oil receiving structure further comprises a lubricating oil channel piece 260, the lubricating oil channel piece 260 comprises a main oil inlet channel 261, L-shaped oil separating channels 262, L-shaped oil separating channels 263 and L-shaped main oil outlet channels 264, the main oil inlet channel 261 is communicated with the upper portion of the stationary ring sleeve 220, a plug is further connected to the main oil inlet channel 261, the L-shaped oil separating channels 262 are two, the upper ends of the two L-shaped oil separating channels 262 are communicated with the main oil inlet channel 261, the main oil inlet channel 261 is further communicated with a gap between the two movable ring sleeves 210, the bottoms of the two L-shaped oil separating channels 262 are further communicated with the corresponding sealing ring lips 250, in the embodiment, lubricating oil in the L-shaped oil separating channels 262 can smoothly flow to the gap between the sealing ring lips 250 and the motor rotating shaft 10, and the dustproof and waterproof effects are facilitated.
The L-shaped main oil outlet channel 264 is communicated with the lower portion of the stationary ring sleeve 220, the tail end of the L-shaped main oil outlet channel 264 is communicated with the oil receiving sleeve 240 on the outer side, the number of the L-shaped branch oil outlet channels 263 is two, the upper portions of the two L-shaped branch oil outlet channels 263 are communicated with the corresponding sealing ring lips 250, the bottoms of the two L-shaped branch oil outlet channels 263 are communicated with the L-shaped main oil outlet channel 264, and in this embodiment, redundant lubricating oil at the gap is convenient to flow back into the L-shaped main oil outlet channel 264 through the L-shaped branch oil outlet channel 263. The L-shaped oil outlet channel 263 at the inner side is further communicated with a advection channel 265, the advection channel 265 is communicated with the oil receiving sleeve 240 at the inner side, and in the embodiment, the lubricating oil collected by the oil receiving sleeve 240 at the inner side can be indirectly discharged into the oil receiving sleeve 240 at the right side by using the advection channel 265, so that the lubricating oil can be conveniently collected uniformly in the following process.
The working principle of the oil seal structure for the motor is as follows: when the oil seal is used, the static ring sleeve 220 is adhered to the inner wall of an external motor end cover through special adhesive, a plug at the upper end of the main oil inlet channel 261 is opened, lubricating oil is put into the main oil inlet channel 261, so that the lubricating oil in the main oil inlet channel 261 enters a gap between the two sealing ring lips 250 and the motor rotating shaft 10 along the two L-shaped oil separating channels 262, the arrangement can reduce the entering of water and impurities outside between the motor rotating shaft 10 and the oil seal, the sealing performance of the oil seal is improved, redundant lubricating oil enters the L-shaped main oil outlet channel 264 along the two L-shaped oil separating channels 263 and then enters the oil receiving sleeve 240 at the outer side through the L-shaped main oil outlet channel 264, the internal oil receiving amount can be seen through the transparent window on the oil receiving sleeve 240, the redundant lubricating oil is conveniently discharged through the matching of the oil discharge channel 270 and the valve, the subsequent reutilization is convenient, and when the motor rotating shaft 10 is axially moved, utilize a plurality of to connect the effect that spring 230 between two movable ring covers 210 can play elastic protection, reduce the oil blanket and take place the probability that the drunkenness warp along with motor shaft 10, when motor shaft 10 takes place the axial to save up the move simultaneously, utilize two to connect oil jacket 240 to clear up the unnecessary lubricating oil that motor shaft 10 scurries out the position and spill over, reduce the extravagant probability of lubricating oil outer drippage.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An oil seal structure for a motor, comprising
Motor rotating shaft (10):
oil blanket subassembly (20) of area oil receiving structure, oil blanket subassembly (20) of area oil receiving structure includes movable ring cover (210), quiet ring cover (220) and spring (230) and connects oil cover (240), movable ring cover (210) are equipped with two, the quantity of spring (230) sets up to a plurality of, a plurality of spring (230) equidistance is connected to two between movable ring cover (210), two movable ring cover (210) can be through all spring (230) support tightly in quiet ring cover (220) inner wall both sides, two movable ring cover (210) are all established motor axis of rotation (10) outer wall, two lateral wall all is connected with sealing washer lip (250) in movable ring cover (210), sealing washer lip (250) and motor axis of rotation (10) interference fit, connect oil cover (240) to set up to two, two connect oil cover (240) to be connected to quiet ring cover (220) bottom both sides respectively, and the openings at the inner sides of the two oil receiving sleeves (240) are in contact with the motor rotating shaft (10).
2. An oil seal structure for an electric motor according to claim 1, wherein there is a gap between both of said seal lips (250) and said motor rotating shaft (10).
3. An oil seal structure for an electric motor according to claim 1, wherein said oil seal assembly (20) with an oil receiving structure further comprises a lubricating oil passage member (260), said lubricating oil passage member (260) comprising a main oil inlet passage (261), an L-shaped sub oil passage (262) and an L-shaped sub oil passage (263) and an L-shaped main oil outlet passage (264).
4. The oil seal structure for the motor according to claim 3, wherein the main oil inlet channel (261) is communicated with the upper part of the static ring sleeve (220), and a plug is further connected to the main oil inlet channel (261).
5. The oil seal structure for the motor according to claim 3, wherein the number of the L-shaped oil distribution channels (262) is two, the upper ends of the two L-shaped oil distribution channels (262) are communicated with the main oil inlet channel (261), and the main oil inlet channel (261) is also communicated with a gap between the two movable ring sleeves (210).
6. An oil seal structure for an electric motor according to claim 3, wherein the bottoms of both of the L-shaped oil separation channels (262) are also communicated with the corresponding seal ring lips (250).
7. An oil seal structure for an electric motor according to claim 3, wherein said L-shaped main oil outlet passage (264) communicates with a lower portion of said ring housing (220), and a tail end thereof communicates with said oil receiving housing (240) on the outside.
8. An oil seal structure for an electric motor according to claim 3, wherein said L-shaped branch oil passage (263) is provided in two, the upper portions of both of said L-shaped branch oil passages (263) communicate with the corresponding seal ring lip (250), and the bottom portions of both of said L-shaped branch oil passages (263) communicate with said L-shaped main oil outlet passage (264).
9. An oil seal structure for an electric motor according to claim 3, wherein the L-shaped oil outlet passage (263) on the inner side is further communicated with a advection passage (265), and the advection passage (265) is communicated with the oil receiving sleeve (240) on the inner side.
10. The oil seal structure for the motor according to claim 1, wherein an oil discharge channel (270) is communicated with the oil receiving sleeve (240) on the outer side, a valve is further installed on the oil discharge channel (270), and a transparent window is further connected to the oil receiving sleeve (240).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021259974.9U CN212784961U (en) | 2020-06-30 | 2020-06-30 | Oil seal structure for motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021259974.9U CN212784961U (en) | 2020-06-30 | 2020-06-30 | Oil seal structure for motor |
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| Publication Number | Publication Date |
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| CN212784961U true CN212784961U (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021259974.9U Active CN212784961U (en) | 2020-06-30 | 2020-06-30 | Oil seal structure for motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114189088A (en) * | 2021-11-26 | 2022-03-15 | 徐州铭尊机电有限公司 | Electric motor car motor seal structure |
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2020
- 2020-06-30 CN CN202021259974.9U patent/CN212784961U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114189088A (en) * | 2021-11-26 | 2022-03-15 | 徐州铭尊机电有限公司 | Electric motor car motor seal structure |
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