CN202424375U - Alternating current generator used for motor vehicle - Google Patents
Alternating current generator used for motor vehicle Download PDFInfo
- Publication number
- CN202424375U CN202424375U CN2011205435514U CN201120543551U CN202424375U CN 202424375 U CN202424375 U CN 202424375U CN 2011205435514 U CN2011205435514 U CN 2011205435514U CN 201120543551 U CN201120543551 U CN 201120543551U CN 202424375 U CN202424375 U CN 202424375U
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- CN
- China
- Prior art keywords
- rear end
- alternating current
- end cap
- adjuster
- protection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to an alternating current generator used for a motor vehicle. The alternating current generator comprises a belt pulley, a front end cover, a rear end cover, a rotor assembly, a stator assembly, an adjuster, an adjuster protective cap and an electric brush assembly, wherein the rotor assembly and the stator assembly are arranged in a shell which is composed of the front end cover and the rear end cover; the rotor assembly comprises a rotor shaft, and the rotor shaft is respectively arranged and supported on the front end cover and the rear end cover through a front bearing and a rear bearing; one end of the rotor shaft is connected with the belt pulley, the adjuster protective cap is connected with the rear end cover, and the adjuster protective cap and the rear end cover together form a closed electric brush chamber; the electric brush assembly is arranged in the electric brush chamber and is arranged on the rear end cover, the adjuster is arranged in the adjuster protective cap, and the stator assembly is connected with the rear end cover through a connecting bolt of the rear end cover; and the alternating current generator also comprises a sealing protective structure, and the sealing protective structure is arranged on a joint of the adjuster protective cap and the rear end cover. The alternating current generator provided by the utility model can effectively prevent a slip ring chamber from water inflow.
Description
Technical field
The utility model relates to a kind of alternating current generator, particularly a kind of alternating current generator that under the immersion environment, has the water-tight function that is used for motor vehicle.
Background technology
Along with the scope of automotive applications is more and more wider, the client is also increasing for the automotive applications environment requirement.Vehicle not only need satisfy under the moist bad border of high temperature and goes, and also will satisfy the requirement of under the ponding situation, going.And have the part client to need generator can realize moving under water.
At present, be used for the alternating current generator of motor vehicle, as shown in Figure 1, Fig. 1 is a prior art generator cutaway view.The engine of prior art generally includes: drive the belt pulley 10 of rotor rotation, the fan 20 of ventilation refrigerating function, the front end housing 30 that plays the fixed support function, rotor assembly 40, field frame assembly 50, the rear end cap 60 of fixed support function, the adjuster guard shield 70 and the brush assembly of electric that is connected slip ring 80 of regulator generator voltage.
Be installed in the generator on the motor vehicle, under particular surroundings, can run into the situation of operation under water.As shown in Figure 1, brush chamber 90 end faces of present commutator end bearing support bracket are the plane, are connected with adjuster guard shield 70 usefulness screws, and two part planes are mutually sturdy.Adjuster N, D+ end are drawn with the bolt form, and stator is connected with rear end cap with bolt with rectifier bridge.Adjuster guard shield 70 is that the plane is connected with rear end cap 60, and generator is under ruuning situation, and body can generate heat; When in special immersion environment, receiving the pressure of water; Because hydraulic pressure, water can immerse from the end face that rear end cap is connected with the adjuster guard shield, causes 90 water inlets of brush chamber.Thereby cause short circuit between brush and the slip ring, voltage instantaneous increases burns adjuster, even burns rotor and stator.
Prior art
10 belt pulleys, 20 fans
30 front end cover assemblies, 40 rotor assemblies
50 field frame assemblies, 60 rear end cap assemblies
70 adjuster guard shield assemblies, 80 brush assembly of electric
The utility model
1 belt pulley, 2 fans
3 front end housings, 4 rotor assemblies
41 armature spindles, 42 rear bearings
43 fore bearings, 5 field frame assemblies
51 rear end cap connecting bolts, 6 rear end caps
7 adjuster guard shields, 71 adjusters
72 D+ grade bolts, 73 N grade bolts
8 brush assembly of electric brush chambers 9
100 sealing protection structures, 101 protection boss
102 protection grooves, 103 sealing rings
The utility model content
The utility model technical problem to be solved provides a kind of alternating current generator that is used for motor vehicle that under the immersion environment, has the water-tight function.
To achieve these goals; The utility model provides a kind of alternating current generator that is used for motor vehicle; Comprise belt pulley, front end housing, rear end cap, rotor assembly, field frame assembly, adjuster, adjuster guard shield and brush assembly of electric, said rotor assembly and said field frame assembly are arranged in the housing of said front end housing and said rear end cap composition, and said rotor assembly comprises an armature spindle; Said armature spindle is installed respectively through fore bearing and rear bearing and is supported on said front end housing and the said rear end cap; One end of said armature spindle is connected with said belt pulley, and said adjuster guard shield is connected with said rear end cap, the brush chamber of the synthetic sealing of said adjuster guard shield and said rear end cap one common peripheral; It is indoor and be installed on the said rear end cap that said brush assembly of electric is arranged on said brush; Said adjuster is arranged in the said adjuster guard shield, and said field frame assembly is connected through the rear end cap connecting bolt with said rear end cap, wherein; Also comprise a sealing protection structure, said sealing protection structure is arranged on the junction of said adjuster guard shield and said rear end cap.
Above-mentioned alternating current generator; Wherein, Said sealing protection structure is a groove boss snap-in structure; Said groove boss snap-in structure comprises adaptive mutually protection boss and protection groove, and said protection boss is arranged on the connection end face of said rear end cap, and said protection groove is arranged on the corresponding connection end face of said adjuster guard shield.
Above-mentioned alternating current generator; Wherein, Said sealing protection structure is a groove boss snap-in structure; Said groove boss snap-in structure comprises adaptive mutually protection boss and protection groove, and said protection boss is arranged on the connection end face of said adjuster guard shield, and said protection groove is arranged on the corresponding connection end face of said rear end cap.
Above-mentioned alternating current generator wherein, also is provided with the sealing interstitital texture between said protection groove and the said protection boss.
Above-mentioned alternating current generator, wherein, said sealing interstitital texture is a sealing ring, said sealing ring is installed in the said protection groove.
Above-mentioned alternating current generator, wherein, said sealing ring is the O RunddichtringO.
Above-mentioned alternating current generator, wherein, said rear end cap connecting bolt is provided with insulated enclosure glue-line or insulated enclosure enamelled coating.
Above-mentioned alternating current generator, wherein, said rear bearing is the water-sealed bearing structure.
Above-mentioned alternating current generator, wherein, the D+ of said adjuster, N grade bolt are provided with insulated enclosure glue-line or insulated enclosure enamelled coating.
The beneficial functional of the utility model is: the utility model can reach the function of airtight waterproof when the particular surroundings that is under water, effectively prevent the indoor water inlet of slip ring.
Below in conjunction with accompanying drawing and specific embodiment the utility model is described in detail, but not as the qualification to the utility model.
Description of drawings
Fig. 1 is a prior art generator cutaway view;
Fig. 2 is the cutaway view of the utility model one embodiment;
Fig. 3 is the A-A cutaway view of Fig. 2;
Fig. 4 is the I portion enlarged drawing of Fig. 2.
Wherein, Reference numeral
Embodiment
Below in conjunction with accompanying drawing structural principle of the present invention and operation principle are done concrete description:
Referring to Fig. 2～Fig. 4, Fig. 2 is the cutaway view of the utility model one embodiment, and Fig. 3 is the A-A cutaway view of Fig. 2, and Fig. 4 is the I portion enlarged drawing of Fig. 2.The alternating current generator that is used for motor vehicle of the utility model; Comprise belt pulley 1, front end housing 3, rear end cap 6, rotor assembly 4, field frame assembly 5, adjuster 71, adjuster guard shield 7 and brush assembly of electric 8; And the fan 2 of ventilation refrigerating function; Said rotor assembly 4 is arranged in the housing of said front end housing 3 and said rear end cap 6 compositions with said field frame assembly 5, and said rotor assembly 4 comprises an armature spindle 41, and said armature spindle 41 is installed respectively through fore bearing 43 and rear bearing 42 and is supported on said front end housing 3 and the said rear end cap 6; One end of said armature spindle 41 is connected with said belt pulley 1; Said adjuster guard shield 7 is connected with said rear end cap 6, said adjuster guard shield 7 and the synthetic brush chamber of sealing 9 of said rear end cap 6 one common peripheral, and said brush assembly of electric 8 is arranged in the said brush chamber 9 and is installed on the said rear end cap 6; Said adjuster 71 is arranged in the said adjuster guard shield 7; Said field frame assembly 5 is connected through rear end cap connecting bolt 51 with said rear end cap 6, also comprises a sealing protection structure 100, and said sealing protection structure 100 is arranged on the junction of said adjuster guard shield 7 and said rear end cap 6.
In the present embodiment; Said sealing protection structure 100 is a groove boss snap-in structure; Said groove boss snap-in structure comprises adaptive mutually protection boss 101 and protection groove 102; Said protection boss 101 is arranged on the connection end face of said rear end cap 6; Said protection groove 102 is arranged on the corresponding connection end face of said adjuster 71 guard shields 7, or said protection boss 101 is arranged on the connection end face of said adjuster 71 guard shields 7, and said protection groove 102 is arranged on the corresponding connection end face of said rear end cap 6.Said protection boss 101 is sticked in the said protection groove 102.
Simultaneously, also can be provided with the sealing interstitital texture between said protection groove 102 and the said protection boss 101.In the present embodiment, said sealing interstitital texture is preferably sealing ring 103, and said sealing ring 103 is installed in the said protection groove 102.Also can use fillers such as fluid sealant, perhaps sealing ring and fluid sealant use simultaneously, as long as satisfy seal request, this are not done qualification.Preferably, said sealing ring 103 is preferably the O RunddichtringO.Said rear end cap 6 and adjuster guard shield 7 can three pieces bolts be connected fixing, with the compacting of O type circle.As shown in Figure 5, said closed structure generator forms labyrinth structure through the cooperation between protection groove 102 and the protection boss 101.Therefore the water pressure in this structure that is pressed into by hydraulic pressure can reduce gradually, and fills the entering that O type circle has stopped current especially fully at protection boss 101 in the groove 102 with protecting.
In order to improve the waterproof sealing performance of generator under particular surroundings, also can be provided with insulated enclosure glue-line or insulated enclosure enamelled coating on the said rear end cap connecting bolt 51.Said rear bearing 42 is preferably the water-sealed bearing structure.Also can be provided with insulated enclosure glue-line or insulated enclosure enamelled coating on the D+ of said adjuster 71, the N grade bolt 72,73.
Certainly; The utility model also can have other various embodiments; Under the situation that does not deviate from the utility model spirit and essence thereof; Those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the utility model.
Claims (10)
1. alternating current generator that is used for motor vehicle; Comprise belt pulley, front end housing (3), rear end cap, rotor assembly, field frame assembly, adjuster, adjuster guard shield and brush assembly of electric; Said rotor assembly and said field frame assembly are arranged in the housing of said front end housing (3) and said rear end cap composition; Said rotor assembly comprises an armature spindle, and said armature spindle is installed respectively through fore bearing and rear bearing and is supported on said front end housing (3) and the said rear end cap, and an end of said armature spindle is connected with said belt pulley; Said adjuster guard shield is connected with said rear end cap; It is indoor and be installed on the said rear end cap that the brush chamber of the synthetic sealing of said adjuster guard shield and said rear end cap one common peripheral, said brush assembly of electric are arranged on said brush, and said adjuster is arranged in the said adjuster guard shield; Said field frame assembly is connected through the rear end cap connecting bolt with said rear end cap; It is characterized in that also comprise a sealing protection structure, said sealing protection structure is arranged on the junction of said adjuster guard shield and said rear end cap.
2. alternating current generator as claimed in claim 1; It is characterized in that; Said sealing protection structure is a groove boss snap-in structure; Said groove boss snap-in structure comprises adaptive mutually protection boss and protection groove, and said protection boss is arranged on the connection end face of said rear end cap, and said protection groove is arranged on the corresponding connection end face of said adjuster guard shield.
3. alternating current generator as claimed in claim 1; It is characterized in that; Said sealing protection structure is a groove boss snap-in structure; Said groove boss snap-in structure comprises adaptive mutually protection boss and protection groove, and said protection boss is arranged on the connection end face of said adjuster guard shield, and said protection groove is arranged on the corresponding connection end face of said rear end cap.
4. like claim 2 or 3 described alternating current generators, it is characterized in that, also be provided with the sealing interstitital texture between said protection groove and the said protection boss.
5. alternating current generator as claimed in claim 4 is characterized in that, said sealing interstitital texture is a sealing ring, and said sealing ring is installed in the said protection groove.
6. alternating current generator as claimed in claim 5 is characterized in that, said sealing ring is the O RunddichtringO.
7. like claim 1,2,3,5 or 6 described alternating current generators, it is characterized in that said rear end cap connecting bolt is provided with insulated enclosure glue-line or insulated enclosure enamelled coating.
8. alternating current generator as claimed in claim 4 is characterized in that, said rear end cap connecting bolt is provided with insulated enclosure glue-line or insulated enclosure enamelled coating.
9. alternating current generator as claimed in claim 7 is characterized in that, said rear bearing is the water-sealed bearing structure.
10. like claim 1,2,3,5,6,8 or 9 described alternating current generators, it is characterized in that the D+ of said adjuster, N grade bolt are provided with insulated enclosure glue-line or insulated enclosure enamelled coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205435514U CN202424375U (en) | 2011-12-22 | 2011-12-22 | Alternating current generator used for motor vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205435514U CN202424375U (en) | 2011-12-22 | 2011-12-22 | Alternating current generator used for motor vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202424375U true CN202424375U (en) | 2012-09-05 |
Family
ID=46749100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205435514U Expired - Lifetime CN202424375U (en) | 2011-12-22 | 2011-12-22 | Alternating current generator used for motor vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202424375U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107017726A (en) * | 2016-01-28 | 2017-08-04 | 北京佩特来电器有限公司 | A kind of generator shroud and the alternating current generator with the shield |
| CN108768020A (en) * | 2018-06-27 | 2018-11-06 | 济南泉工机械有限公司 | A kind of automobile-used closed generator housing of engineering and rotor |
-
2011
- 2011-12-22 CN CN2011205435514U patent/CN202424375U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107017726A (en) * | 2016-01-28 | 2017-08-04 | 北京佩特来电器有限公司 | A kind of generator shroud and the alternating current generator with the shield |
| CN107017726B (en) * | 2016-01-28 | 2023-06-09 | 北京佩特来电器有限公司 | Generator shield and alternating current generator with same |
| CN108768020A (en) * | 2018-06-27 | 2018-11-06 | 济南泉工机械有限公司 | A kind of automobile-used closed generator housing of engineering and rotor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120905 |
|
| CX01 | Expiry of patent term |