CN205304459U - Motor seal's structure is realized through cooperation of two parts - Google Patents
Motor seal's structure is realized through cooperation of two parts Download PDFInfo
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- CN205304459U CN205304459U CN201620045988.8U CN201620045988U CN205304459U CN 205304459 U CN205304459 U CN 205304459U CN 201620045988 U CN201620045988 U CN 201620045988U CN 205304459 U CN205304459 U CN 205304459U
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Abstract
The utility model provides a motor seal's structure is realized through cooperation of two parts, include: the sealing washer, bearing structure, it is applyed along the decurrent abutment pressure of axial and follows radial outside abutment pressure the sealing washer, extrusion structure, it can be mutually supported with bearing structure to apply along the ascending extrusion pressure of axial and follow radial inward extrusion pressure the sealing washer, wherein, the sealing washer clamp is realized sealedly between bearing structure and extrusion structure. The utility model discloses a motor seal's structure is realized through cooperation of two parts, can go on the motor effectively sealed of motor for the electric automobile to lower manufacturing cost has.
Description
Technical field
This utility model relates to motor in electric automobile manufacturing technology field, in particular to the structure being realized motor seal by two parts cooperations of a kind of Motor for Electric Automobile.
Background technology
Along with the high speed development of automobile industry, petroleum resources shortage, environment are warmed and the series of problems such as climate warming is appeared suddenly. One of the new-energy automobile important directions that will become China's development of automobile industry being representative with pure electric automobile. And automobile power-driven system is as the unique power source of pure electric automobile, its performance directly affects the dynamic property of car load, stability and comfortableness.
Existing motor sealing structure is complicated, and manufacturing cost is higher, and sealing effectiveness is not ideal enough, does not reach the automobile industry related request to motor seal performance.
In view of this, it is necessary to that designs a kind of Motor for Electric Automobile coordinates, by two parts, the structure realizing motor seal, it is possible to motor is sealed.
Utility model content
For above-mentioned technical problem, the structure being realized motor seal by two parts cooperations of a kind of Motor for Electric Automobile of this utility model design, it is possible to motor is effectively sealed, and there is relatively low manufacturing cost.
For achieving the above object, this utility model provides a kind of structure being coordinated by two parts and realizing motor seal, including: sealing ring 2-1; Supporting construction S1, it includes horizontal wall and longitudinal wall, and described transverse wall applies support pressure axially downward in the face of sealing ring 2-1, and sealing ring 2-1 is applied support pressure radially by described longitudinal wall; Extrusion structure P1, it includes first-phase opposite and second-phase opposite, first-phase opposite is towards horizontal wall, second-phase opposite is longitudinally facing wall, after extrusion structure P1 and supporting construction S1 cooperates, first-phase applies squeeze pressure axially upward in the face of sealing ring 2-1, and second-phase applies squeeze pressure radially inward in the face of sealing ring 2-1; Wherein, sealing ring 2-1 is clipped between supporting construction S1 and extrusion structure P1 and realizes sealing.
Further, the section of described supporting construction S1 is: groove, and it makes being partially submerged into of sealing ring 2-1.
Further, described groove is circumferentially disposed along procapsid 4.
Further, the section of described extrusion structure P1 is: ladder, and it makes another part of sealing ring 2-1 embed.
Further, described ladder farther includes: first step, and it is configured to the outer edge of extruding housing 3 circumference; And second step, its height is lower than first step, and is arranged on the inner side of extruding housing 3 circumference outer edge to be close to first step ground mode.
Further, described supporting construction S1 is the outer side surface of procapsid 4; Described extrusion structure P1 is the interior sidewall surface of extruding housing 3; Described extruding housing 3 is linked on procapsid 4.
Further, described procapsid 4 farther includes: protecgulum 4-1; With protecgulum integrated cylinder 4-2 and back seat 4-3; Wherein: the radial direction maximum radius value of protecgulum 4-1 > the radial direction maximum radius value of back seat 4-3 > the radial direction maximum radius value of cylinder 4-2.
Further, described two parts that pass through coordinate the structure realizing motor seal to include: described extruding housing 3 is linked in the outside of cylinder 4-2; Further, described extruding housing 3 is resisted against the downside of protecgulum 4-1 towards the edge of protecgulum 4-1 side.
Further, described two parts that pass through coordinate and realize the structure of motor seal and include: described extruding housing 3 is towards the stepped structure in edge of protecgulum 4-1 side; The junction of described protecgulum 4-1 and cylinder 4-2 is groove-like structure; Wherein, step structure and groove-like structure complement each other to form closed cavity, to hold sealing ring 2-1.
Further, described two parts that pass through coordinate the structure realizing motor seal to include: coolant channel 4-6, it is arranged in procapsid 4 circumference.
The structure being realized motor seal by two parts cooperations of a kind of Motor for Electric Automobile that this utility model provides, it is possible to motor is effectively sealed, and there is relatively low manufacturing cost.
Aspect and advantage that this utility model is additional will part provide in the following description, and these will become apparent from the description below, or is recognized by practice of the present utility model.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by of the present utility model, constitutes the part of the application, and schematic description and description of the present utility model is used for explaining this utility model, is not intended that improper restriction of the present utility model. In the accompanying drawings:
Fig. 1 is the explosive view being coordinated the structure realizing motor seal by two parts of the Motor for Electric Automobile of this utility model one embodiment;
Fig. 2 is the front view of the integrated driving device used for electric vehicle of this utility model one embodiment;
Fig. 3 is the sectional view in Fig. 2 device along E-E line;
Fig. 4 is the close-up schematic view of F circle in Fig. 3 device.
Detailed description of the invention
For making those skilled in the art be more fully understood that the technical solution of the utility model, below in conjunction with the drawings and specific embodiments, this utility model is described in further detail. Of the present utility model embodiment is described in more detail below, and the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of same or like function from start to finish. The embodiment described below with reference to accompanying drawing is illustrative of, and is only used for explaining this utility model, and can not be construed to restriction of the present utility model.
Those skilled in the art of the present technique are appreciated that unless expressly stated, and singulative used herein " ", " one ", " described " and " being somebody's turn to do " may also comprise plural form. Should be further understood that, the wording " including " used in description of the present utility model refers to there is described feature, integer, step, operation, element and/or assembly, but it is not excluded that existence or adds other features one or more, integer, step, operation, element, assembly and/or their group.It should be understood that when we claim element to be " connected " or during " coupled " to another element, it can be directly connected or coupled to other elements, or can also there is intermediary element. Wording "and/or" used herein includes one or more any cell listing item being associated and all combinations.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein include technical term and scientific terminology have with the those of ordinary skill in this utility model art be commonly understood by identical meaning. Should also be understood that in such as general dictionary, those terms of definition should be understood that have the meaning consistent with the meaning in the context of prior art, and unless defined as here, will not explain by idealization or excessively formal implication.
Fig. 1 is the explosive view being coordinated the structure realizing motor seal by two parts of the Motor for Electric Automobile of this utility model one embodiment. Fig. 2 is the front view of the integrated driving device used for electric vehicle of this utility model one embodiment. As shown in Figure 1-2, the sealing structure that this utility model provides is applied to the integrated driving device of electric automobile, and this integrated driving device may include that and adopts the motor that electric current drives and the inverter that AC-to-DC electricity is changed. Procapsid 4, extruding housing 3 and back casing 1 coordinate successively and constitute the motor housing coordinating and constituting closing successively. This housing can as the shell of integrated driving device. The structure being realized motor seal by two parts cooperations of the Motor for Electric Automobile that this utility model provides, motor and inverter can be integrated, save assembly space, reduce weight of equipment, save the support for supporting inverter, thus manufacturing cost is greatly reduced.
Inverter (not shown) is arranged in back casing 1, and it can include capacitance module and power model, and capacitance module has the DC connecting end electrically connected with DC source; Power model its there is multiple on-off circuit, DC input terminal and AC output terminal, direct-flow input end is electrically connected to DC source (such as, Vehicular accumulator cell), and AC output terminal is electrically connected to electric motor. The unidirectional current obtained from direct-flow input end is converted to alternating current by on-off circuit, and is exported by ac output end. Power model and capacitance module are encapsulated in the chamber formed by it by inverter case (that is, back casing 1).
The stator module of motor is provided with three AC input terminals at it towards one end of inverter, and AC input terminal is arranged on the downside of the end of stator module. Correspondingly, three AC output terminal it are provided with in the downside of one end of the power model of inverter, after described three AC output terminal are arranged to have turned inverter and group of motors, three AC output terminal directly contact with corresponding three AC input terminals, such as be threaded connection, welding, solder, solder brazing, riveted joint and Elastic Contact link together, without using extra connecting line, this reduces manufacturing cost.
Owing to the driving device of integrated motor and inverter needs motor and inverter are cooled down, therefore the minor structure of composition coolant channel can be designed on procapsid 4, extruding housing 3 and back casing 1, make after procapsid 4, extruding housing 3 and back casing 1 coordinate successively, the coolant flow channel (that is, coolant channel) closed is formed in enclosure interior.
As a kind of embodiment, as it is shown in figure 1, procapsid 4 may include that protecgulum 4-1; With protecgulum integrated cylinder 4-2 and back seat 4-3; Wherein: the radial direction maximum radius value of protecgulum 4-1>the radial direction maximum radius value of back seat 4-3>the radial direction maximum radius value of cylinder 4-2, the radial direction maximum radius value of the i.e. radial direction maximum radius value of the protecgulum 4-1 radial direction maximum radius value more than back seat 4-3, and the back seat 4-3 radial direction maximum radius value more than cylinder 4-2. Such as, the radial direction maximum radius value of described extruding housing 3>the radial direction maximum radius value of back seat 4-3; Further, radial direction maximum radius value<the radial direction maximum radius value of protecgulum 4-1 of described extruding housing 3. As such, it is possible to be linked in by procapsid 4 in extruding housing 3, and make back seat 4-3 through extruding housing 3 to carry out coordinating subsequently with back casing 1. Based on this structure, this utility model provides the structure being realized motor seal by two parts cooperations of a kind of Motor for Electric Automobile, may include that procapsid 4, extruding housing 3 and back casing 1, these three housing coordinates successively and constitutes the motor housing of closing; Coolant channel, it is arranged in procapsid 4 circumference; Sealing ring 2-1, it is clipped between procapsid 4 and extruding housing 3 and seals; Second sealing ring 2-2, it is clipped in procapsid 4, seals between extruding housing 3 and back casing 1.
Due to radial direction maximum radius value more than back seat 4-3 of the radial direction maximum radius value of protecgulum 4-1, and the radial direction maximum radius value that the radial direction maximum radius value of back seat 4-3 is more than cylinder 4-2, therefore the dumbbell-shaped structure that big centre, the actually similar two of the shape of procapsid 4 is little, thus after procapsid 4 coordinates with extruding housing 3, forming the circulation passage of coolant between cylinder 4-2 and extruding housing 3.
Fig. 3 is the sectional view in Fig. 2 device along E-E line. As it is shown on figure 3, the bottom of integrated driving device is formed cavity by back casing, procapsid, extruding housing, coolant is (such as, water) entrance is arranged on bonnet, when coolant is when flowing through lower cavity, take away the calorimetric that inverter electronic devices and components produce, play the effect of cooling. It is also conceivable to increase some tablettings between back casing and extruding housing, to regulate the cavity size for coolant flowing. Coolant channel in the middle part of integrated driving device is by stator casing, namely procapsid 4, extruding housing 3 and back casing 1 form, wherein: in stator casing top, sealing ring 2-1 (such as, O) is adopted to seal between procapsid 4 and extruding housing 3. Procapsid 4 has the little magnitude of interference with back casing 1 in the process forming coolant flow channel, is completed by press-loading process. Additionally, procapsid 4 and back casing 1 can be linked by bolt. Different from the coolant effect of circulation in the cavity in integrated driving device lower inverter, stator is mainly cooled down by the coolant channel at middle part and the coolant outlet on top.
Fig. 4 is the close-up schematic view of F circle in Fig. 3 device. As shown in Figure 4, this utility model provides a kind of structure being coordinated by two parts and realizing motor seal, including: sealing ring 2-1; Supporting construction S1, sealing ring 2-1 is applied support pressure axially downward and support pressure radially by it; Extrusion structure P1, it can cooperate with supporting construction S1, and sealing ring 2-1 applies squeeze pressure axially upward and squeeze pressure radially inward;Wherein, sealing ring 2-1 is clipped between supporting construction S1 and extrusion structure P1 and realizes sealing.
Such as, supporting construction S1 includes horizontal wall and longitudinal wall, and described transverse wall applies support pressure axially downward in the face of sealing ring 2-1, and sealing ring 2-1 is applied support pressure radially by described longitudinal wall. Such as, extrusion structure P1 includes first-phase opposite and second-phase opposite, first-phase opposite is towards horizontal wall, second-phase opposite is longitudinally facing wall, after extrusion structure P1 and supporting construction S1 cooperates, first-phase applies squeeze pressure axially upward in the face of sealing ring 2-1, and second-phase applies squeeze pressure radially inward in the face of sealing ring 2-1.
Procapsid 4 may include that supporting construction S1, and sealing ring 2-1 is applied support pressure axially downward and support pressure radially by it. For example, it is possible to be designed as by supporting construction S1, its section is: groove, and it makes being partially submerged into of sealing ring 2-1. Such as, groove is circumferentially disposed along procapsid 4. Extruding housing 3 includes: extrusion structure P1, and it can cooperate with supporting construction S1, and sealing ring 2-1 applies squeeze pressure axially upward and squeeze pressure radially inward. For example, it is possible to be designed as by extrusion structure P1, its section is: ladder, and it makes another part of sealing ring 2-1 embed. Such as, ladder is circumferentially disposed along extruding housing 3. Such as, ladder farther includes: first step, and it is configured to the outer edge of extruding housing 3 circumference; And second step, its height is lower than first step, and is arranged on the inner side of extruding housing 3 circumference outer edge to be close to first step ground mode. Such as, the angle between first step and second step is be more than or equal to 90 degree and less than 180 degree. Such as, extruding housing 3 is linked in the outside of cylinder 4-2; Further, described extruding housing 3 is resisted against the downside of protecgulum 4-1 towards the edge of protecgulum 4-1 side. Such as, the extruding housing 3 stepped structure in edge towards protecgulum 4-1 side; The junction of described protecgulum 4-1 and cylinder 4-2 is groove-like structure; Wherein, step structure and groove-like structure complement each other to form closed cavity, to hold sealing ring 2-1. Such as, sealing ring 2-1 can be O.
Above-mentioned sealing structure can apply in electric automotive motor, in the driving device that especially motor and inverter integrate. For the formation sealing structure, as shown in Figure 4, procapsid the 4, second sealing ring 2-2 and extruding housing 3 complement each other to form sealing. Above-mentioned sealing structure belongs to delta seal (axially and radially), and such sealing is relatively reliable.
Above-mentioned sealing structure is possible not only to generate the shell of protection field frame assembly, rotor assembly and inverter; and it is configured with the stator general name to motor in this shell being combined into and different cooling structures that inverter cools down respectively; thus forming the coolant flow channel that integration is through, for the overall cooling of motor and inverter. Coolant flows to mainly through procapsid 4, extruding housing 3, sealing ring composition, and wherein procapsid 4 has the little magnitude of interference with extruding housing 3 in forming the process coordinated, and is completed by press-loading process, and this coolant channel cools down principally for stator.
As another kind of embodiment, this utility model provides the forward end seal structure of a kind of Motor for Electric Automobile, including: procapsid 4; Coolant channel 4-6, it is arranged in procapsid 4 circumference;Extruding housing 3, it is linked on procapsid 4; Sealing ring 2-1, it is clipped between procapsid 4 and extruding housing 3 and seals.
In this utility model embodiment scheme, have employed O to seal, and on seal groove, define unique mechanisms, as shown in Figure 4, forming seal groove at procapsid 4 and extruding housing 3 respective outer side edges, it is relatively reliable that this sealing belongs to delta seal (axially and radially) such sealing. O RunddichtringO is that a kind of extrusion pressing type seals, the basic functional principle that extrusion pressing type seals is dependent on sealing member generation elastic deformation, causes contact pressure on sealing contact surface, intrinsic pressure more than sealed medium of contact pressure, then do not leak, otherwise then leak.
As it is shown in figure 1, procapsid has a shunting muscle 4-5 in the coolant channel 4-6 at middle part, when coolant flows into from inverter, coolant flowing in a week counterclockwise, then arrives outlet position, so forms a large-scale cooling. Such as, the shunting S-type edge of muscle 4-5 is parallel to the axial direction of cylinder 4-2 and is arranged on the cylinder 4-2 between protecgulum 4-1 and back seat 4-3, thus coolant channel 4-6 is separated so that coolant can circulate along coolant channel 4-6 along a predetermined direction.
Additionally, due to adopt design structure of the present utility model, the procapsid 4 of this utility model design can adopt extrusion process, and extruding housing 3 can adopt extrusion process. With in prior art, the mode generally adopting sand casting housing formation coolant flow channel is entirely different, all runners are all concentrated in a housing by prior art, thus increasing manufacture difficulty, and the relative housing of scheme of this 3 parts composition housing of this utility model employing completely casts and simplifies a lot in technique, thus improve yield rate. The sand casting process of prior art there is problems of, and easily produces pore, cause coolant flow channel to leak in sand casting process, and yield rate is low.
The structure being realized motor seal by two parts cooperations of a kind of Motor for Electric Automobile of this utility model design, it is possible to the cooling body that motor and inverter are integrated seals, and has relatively low manufacturing cost.
The above is only some embodiments of the present utility model; it should be pointed out that, for those skilled in the art, under the premise without departing from this utility model principle; can also making some improvements and modifications, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (10)
1. one kind coordinates the structure realizing motor seal by two parts, it is characterised in that including:
Sealing ring (2-1);
Supporting construction (S1), it includes horizontal wall and longitudinal wall, described transverse wall applies support pressure axially downward in the face of described sealing ring (2-1), and described sealing ring (2-1) is applied support pressure radially by described longitudinal wall;
Extrusion structure (P1), it includes first-phase opposite and second-phase opposite, described first-phase opposite is towards horizontal wall, described second-phase opposite is longitudinally facing wall, after described extrusion structure (P1) and described supporting construction (S1) cooperate, described first-phase applies squeeze pressure axially upward in the face of described sealing ring (2-1), and described second-phase applies squeeze pressure radially inward in the face of described sealing ring (2-1);
Wherein, described sealing ring (2-1) is clipped between described supporting construction (S1) and described extrusion structure (P1) and realizes sealing.
2. structure according to claim 1, it is characterised in that the section of described supporting construction (S1) is:
Groove, it makes being partially submerged into of sealing ring (2-1).
3. structure according to claim 2, it is characterised in that described groove is circumferentially disposed along procapsid (4).
4. structure according to claim 1, it is characterised in that the section of described extrusion structure (P1) is:
Ladder, it makes another part of sealing ring (2-1) embed.
5. structure according to claim 4, it is characterised in that described ladder farther includes:
First step, it is configured to the outer edge of extruding housing (3) circumference; And
Second step, its height is lower than first step, and is arranged on the inner side of extruding housing (3) circumference outer edge to be close to first step ground mode.
6. structure according to claim 1, it is characterised in that
Described supporting construction (S1) is the outer side surface of procapsid (4);
Described extrusion structure (P1) is the interior sidewall surface of extruding housing (3);
Described extruding housing (3) is linked on procapsid (4).
7. structure according to claim 6, it is characterised in that described procapsid (4) farther includes:
Protecgulum (4-1);
With the integrated cylinder of protecgulum (4-2) and back seat (4-3);
Wherein: the radial direction maximum radius value of protecgulum (4-1) > the radial direction maximum radius value of back seat (4-3) > the radial direction maximum radius value of cylinder (4-2).
8. structure according to claim 7, it is characterised in that farther include:
Described extruding housing (3) is linked in the outside of cylinder (4-2); Further,
Described extruding housing (3) is resisted against the downside of protecgulum (4-1) towards the edge of protecgulum (4-1) side.
9. structure according to claim 8, it is characterised in that farther include:
Described extruding housing (3) is towards the stepped structure in edge of protecgulum (4-1) side;
The junction of described protecgulum (4-1) and cylinder (4-2) is groove-like structure;
Wherein, step structure and groove-like structure complement each other to form closed cavity, to hold sealing ring (2-1).
10. structure according to claim 6, it is characterised in that also include:
Coolant channel (4-6), it is arranged in procapsid (4) circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620045988.8U CN205304459U (en) | 2016-01-18 | 2016-01-18 | Motor seal's structure is realized through cooperation of two parts |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620045988.8U CN205304459U (en) | 2016-01-18 | 2016-01-18 | Motor seal's structure is realized through cooperation of two parts |
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| CN205304459U true CN205304459U (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620045988.8U Active CN205304459U (en) | 2016-01-18 | 2016-01-18 | Motor seal's structure is realized through cooperation of two parts |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370256A (en) * | 2016-09-30 | 2017-02-01 | 重庆智能水表集团有限公司 | Sealing device for dry-type water meter counter |
| WO2020051740A1 (en) * | 2018-09-10 | 2020-03-19 | Abb Schweiz Ag | Motor, apparatus, and method of manufacturing motor |
-
2016
- 2016-01-18 CN CN201620045988.8U patent/CN205304459U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370256A (en) * | 2016-09-30 | 2017-02-01 | 重庆智能水表集团有限公司 | Sealing device for dry-type water meter counter |
| CN106370256B (en) * | 2016-09-30 | 2023-08-01 | 重庆智慧水务有限公司 | Sealing device for dry water meter counter |
| WO2020051740A1 (en) * | 2018-09-10 | 2020-03-19 | Abb Schweiz Ag | Motor, apparatus, and method of manufacturing motor |
| CN112997387A (en) * | 2018-09-10 | 2021-06-18 | Abb瑞士股份有限公司 | Motor, device and method for manufacturing motor |
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Address after: 200082 No. 538, Dalian Road, Shanghai, Yangpu District Patentee after: CONTINENTAL INVESTMENT (CHINA) Co.,Ltd. Address before: 200082 No. 538, Dalian Road, Shanghai, Yangpu District Patentee before: Continental Automotive Holding Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200103 Address after: 200082 8th Floor, 538 Dalian Road, Yangpu District, Shanghai Patentee after: WeiPai technology investment (China) Co.,Ltd. Address before: 200082 No. 538, Dalian Road, Shanghai, Yangpu District Patentee before: CONTINENTAL INVESTMENT (CHINA) Co.,Ltd. |