CN204597698U - There is the alternating current generator of vibration insulation structure - Google Patents
There is the alternating current generator of vibration insulation structure Download PDFInfo
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- CN204597698U CN204597698U CN201520219878.4U CN201520219878U CN204597698U CN 204597698 U CN204597698 U CN 204597698U CN 201520219878 U CN201520219878 U CN 201520219878U CN 204597698 U CN204597698 U CN 204597698U
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Abstract
The utility model discloses a kind of alternating current generator with vibration insulation structure, comprise front end housing, rear end cap, be set in stator between front end housing and rear end cap, stator has annular profile face, the axial forward end face be built in front end housing, the axial rearward end face be built in rear end cap; Between the axial forward end face and front end housing of stator, be provided with fire retardant elastic circle, between the axial rearward end face and rear end cap of stator, be provided with fire retardant elastic pad, between the annular profile face and front end housing endless wall of stator, be provided with flame-retardant elastomer layer.The utility model effectively can eliminate the vibration produced when motor runs.
Description
Technical field
The utility model relates to alternating current machine technical field, is specifically related to a kind of alternating current generator with vibration insulation structure.
Background technology
AC generator for vehicle is the device for powering to the power consumption equipment of automobile, and it also has the technical role to automobile storage battery charging, is the key building block of automobile.
Existing AC generator for vehicle, comprises the stator for generation of alternating current, and for rotating the rotor producing magnetic field in the stator, the alternating current for being produced by stator is transformed into galvanic rectifier, for the end cap of fixed stator, rotor, rectifier; End cap comprises front end housing, rear end cap, respectively front roll bearing and rear rolling bearing are installed in the middle of front end housing, rear end cap, rotor is fixed in the middle of front end housing, rear end cap by front roll bearing and rear rolling bearing, rotor is arranged with stator, stator has annular profile face, the axial forward end face be built in front end housing, the axial rearward end face be built in rear end cap, two axial ends of stator all with front end housing, the direct rigid contact of rear end cap, be matched in clearance or interference fit between the annular profile face of stator and front end housing, rear end cap; Rotor outside end cap is fixedly connected with belt pulley, and belt pulley rotor driven rotates, and generator just can realize generating.
In order to prevent leakage field by end cap, be compact siro spinning technology between front end housing and rear end cap, publication number is the Chinese patent literature of CN203933232U, for the connection defective tightness between existing front end of shield and rear end cap, cause the intrusion of extraneous muddy water and dust, reduce the technical problem in the useful life of generator, a kind of new automobile alternating current generator is disclosed, generator unit stator is gripped by front end housing and rear end cap, front end housing, rear end cap middle installation front roll bearing and rear rolling bearing are respectively with support generator rotor, the belt pulley rotor driven arranged near front end housing rotates, front end housing as fixed part is provided with ring-type flange collar, belt pulley as rotating parts is provided with annular recess, annular recess is corresponding with ring-type flange collar to be arranged and cooperatively interacts, form labyrinth type meander-like between annular recess and ring-type flange collar to seal slit band and be used for resisting extraneous mud dirt and enter rolling bearing.As can be seen from this patent documentation, the compact siro spinning technology between front end housing and rear end cap realizes the inner dust-proof necessary technology scheme with preventing leakage field of AC generator for vehicle.But being closely rigidly connected between front end housing and rear end cap, the various single-orders time noise that each assembly of automobile can be made to vibrate generation has consistency in frequency, thus produces noise resonance, forms larger noise, reduces carborne comfort level.
In sum, due to existing AC generator for vehicle, its front roll bearing and rear rolling bearing are rigidly attached on front end housing, rear end cap respectively, stator two ends are also rigidly attached on front end housing, rear end cap respectively, stator cylindrical also may with front end housing, rear end cap rigid contact, also be rigidly connected between front and rear cover, the various single-orders time noise that the vibration of automobile each assembly produces has consistency in frequency, this consistency can cause noise to resonate, in automobile, form larger noise, have influence on carborne comfort level.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of alternating current generator with vibration insulation structure effectively eliminating the vibration produced when motor runs, thus the noise produced when reducing alternating current generator running further, improve carborne comfort level.
The technical scheme that the utility model technical solution problem adopts is:
There is the alternating current generator of vibration insulation structure, comprise front end housing, rear end cap, be set in stator between front end housing and rear end cap, stator has annular profile face, the axial forward end face be built in front end housing, the axial rearward end face be built in rear end cap; Between the axial forward end face and front end housing of stator, be provided with fire retardant elastic circle, between the axial rearward end face and rear end cap of stator, be provided with fire retardant elastic pad, between the annular profile face and front end housing endless wall of stator, be provided with flame-retardant elastomer layer.
Further, flame-retardant elastomer layer is layer of silica gel.
Further, have gap between the annular profile face of stator and front end housing endless wall, layer of silica gel in gap, pours into silica gel by device for casting to be formed.
Further, the rear end cap end face wall body suitable with the axial rearward end face of stator is provided with rear end cap notch, and fire retardant elastic pad is arranged in rear end cap notch.
Further, the material of fire retardant elastic pad is flame retardant rubber.
Further, the material of fire retardant elastic circle is flame retardant rubber.
The alternating current generator with vibration insulation structure of the present utility model is applicable to fuel-engined vehicle, electric automobile, is certainly also applicable to gas combustion automobile.
Compared with prior art, the beneficial effects of the utility model are:
1, the alternating current generator with vibration insulation structure of the present utility model, between the axial forward end face and front end housing of stator, fire retardant elastic circle is provided with owing to adopting, fire retardant elastic pad is provided with between the axial rearward end face and rear end cap of stator, the technical scheme of flame-retardant elastomer layer is provided with between the annular profile face and front end housing endless wall of stator, be arranged on the fire retardant elastic circle between the axial forward end face of stator and front end housing, be arranged on the fire retardant elastic pad between the axial rearward end face of stator and rear end cap, combine to have and carry out buffering decaying step by step from axis stator direction to stator vibration, thus make the vibration of arrival front end housing and rear end cap less, more level and smooth technical role, the flame-retardant elastomer layer be arranged between the annular profile face of stator and front end housing endless wall has from stator peripheral direction, buffering is carried out to stator vibration and decays step by step, thus make the vibration of arrival front end housing endless wall less, more level and smooth technical role, thus reduce the Oscillation Amplitude of alternating current generator on the whole, make the vibration of alternating current generator more level and smooth, also with regard to the noise of corresponding reduction alternating current generator.
2, the alternating current generator with vibration insulation structure of the present utility model, owing to adopting, there is good chemical stability, burning-point is high, elasticity resistance to shock is good silica gel is the material making flame-retardant elastomer layer, and in gap, pour into silica gel formation flame-retardant elastomer layer by device for casting, more effectively can cushion and the vibration that passes over of stator that decays step by step, thus reduce the noise that stator vibration brings alternating current generator further; Fire retardant elastic pad is fixed owing to adopting the rear end cap notch arranged on the rear end cap end face wall body suitable with axial rearward end face, improve the positional stability of fire retardant elastic pad between axial rearward end face and rear end cap, thus improve fire retardant elastic pad further to the buffering fade performance of stator vibration, the also noise of corresponding reduction alternating current generator; Owing to adopting flame retardant rubber as the making material of fire retardant elastic pad and fire retardant elastic circle, draw materials conveniently, the corresponding component made has good elasticity and shock resistance.
3, the alternating current generator with vibration insulation structure of the present utility model, due to the vibration produced when motor runs effectively can be eliminated, thus the noise produced when reducing alternating current generator running further, improve carborne comfort level.
Accompanying drawing explanation
Fig. 1 is the structural representation with the alternating current generator of vibration insulation structure of the present utility model.
Fig. 2 be fire retardant elastic pad assembly of the present utility model schematic diagram is set.
Fig. 3 be fire retardant elastic coil assembly of the present utility model schematic diagram is set.
Reference numeral in Fig. 1 to Fig. 3 is expressed as: 1-front end housing, 2-rear end cap, 3-stator, 4-flame-retardant elastomer layer, 5-fire retardant elastic pad, 6-fire retardant elastic circle, 7-gap, 201-rear end cap notch.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
As shown in Figure 1 to Figure 3, the alternating current generator with vibration insulation structure of the present utility model, comprise front end housing 1, rear end cap 2, be set in stator 3 between front end housing 1 and rear end cap 2, stator 3 has annular profile face, the axial forward end face be built in front end housing 1, the axial rearward end face be built in rear end cap 2; Fire retardant elastic circle 6 is provided with between the axial forward end face and front end housing 1 of stator 3, between the axial rearward end face and rear end cap 2 of stator 3, be provided with fire retardant elastic pad 5, between the annular profile face of stator 3 and front end housing 1 endless wall, be provided with flame-retardant elastomer layer 4.
When the utility model is implemented, also comprise front roll bearing, rear rolling bearing, rotor, rectifier, belt pulley.
During enforcement, as shown in Figure 1, those skilled in the art according to the dimensions of the dimensions determination stator 3 of rotor, then according to the dimensions of stator 3, determines the specification of front end housing 1 and rear end cap 2.When stator 3 is assembled between front end housing 1 and rear end cap 2, there is between the annular profile face of stator 3 and front end housing 1 endless wall the gap for arranging flame-retardant elastomer layer 4, there is between the axial forward end face of stator 3 and front end housing 1 gap for arranging fire retardant elastic circle 6, there is between the axial rearward end face of stator 3 and rear end cap 2 gap for arranging fire retardant elastic pad 5.
During enforcement, as shown in Figure 1, those skilled in the art is according to specification, the specification of fire retardant elastic circle 6, the specification of fire retardant elastic pad 5 of the specification determination flame-retardant elastomer layer 4 of the dimensions of stator 3, front end housing 1 and rear end cap 2.The thickness of fire retardant elastic circle 6 is greater than the gap between the axial forward end face of stator 3 and front end housing 1, thus guarantee the Elastic Contact that is converted to by the rigid contact between former front end housing 1 and stator 3 between front end housing 1 and fire retardant elastic circle 6, and the Elastic Contact between fire retardant elastic circle 6 and stator 3, the concrete thickness of fire retardant elastic circle 6, those skilled in the art determines according to actual needs; The thickness of fire retardant elastic pad 5 is greater than the gap between the axial rearward end face of stator 3 and rear end cap 2, thus guarantee the Elastic Contact that is converted to by the rigid contact between former rear end cap 2 and stator 3 between rear end cap 2 and fire retardant elastic pad 5, and the Elastic Contact between fire retardant elastic pad 5 and stator 3, the concrete thickness of fire retardant elastic pad 5, those skilled in the art determines according to actual needs; The thickness of flame-retardant elastomer layer 4 is greater than the gap 7 between annular profile face and front end housing 1 endless wall equaling stator 3, thus guarantee the Elastic Contact that is converted to by the rigid contact between former front end housing 1 endless wall and the annular profile face of stator 3 between front end housing 1 endless wall and flame-retardant elastomer layer 4, and the Elastic Contact between flame-retardant elastomer layer 4 and stator 3, the concrete thickness of flame-retardant elastomer layer 4, those skilled in the art determines according to actual needs.
During enforcement, flame-retardant elastomer layer 4 adopts flame-retardant elastomer, as silica gel, silicon rubber, rubber, thermoplastic elastomer (TPE) TRE/TPR are formed; Fire retardant elastic circle 6 adopts flame-retardant elastomer, as flame retardant rubber, fire-retardant fluorubber, thermoplastic elastomer (TPE) TRE/TPR make; Fire retardant elastic pad 5 adopts flame-retardant elastomer, as flame retardant rubber, fire-retardant fluorubber, thermoplastic elastomer (TPE) TRE/TPR make;
It is more than the selection implementation process with the specification of each construction package of alternating current generator of vibration insulation structure of the present utility model.
During enforcement, as shown in Figure 1 to Figure 3, first fire retardant elastic circle 6 is assemblied on the platform of front end housing 1, then stator 3 is placed on fire retardant elastic circle 6, ensure that the axiality of stator 3 and front end housing 1 is also to certain precompression with positioning tool, after stator 3 is had good positioning, a certain amount of flame-retardant elastomer is poured in gap 7 between the annular profile face of stator 3 and front end housing 1 endless wall, form flame-retardant elastomer layer 4, first can certainly support shell-like flame-retardant elastomer layer 4 with flame-retardant elastomer, shell-like flame-retardant elastomer layer 4 is set in the annular profile face of stator 3, again stator 3 is placed on fire retardant elastic circle 6, fire retardant elastic pad 5 is fixed on rear end cap 2 with on the ring surface of stator 3 adaptation, fire retardant elastic pad 5 can be attach with adhesive with the connected mode of rear end cap 2, also can be that fixed structure is set on rear end cap 2 with the ring surface of stator 3 adaptation, as notch, directly fire retardant elastic pad 5 is fixed on rear end cap 2, then front end housing 1 and rear end cap 2 are attached together, stator 3 both ends of the surface contact with fire retardant elastic pad 5, fire retardant elastic circle 6 respectively, then with fastening bolt by front end housing 1 and rear end cap 2 fastening.The alternating current generator with vibration insulation structure of the present utility model can be made by above-mentioned steps.Also comprise the installation setting of front roll bearing, rear rolling bearing, rotor, rectifier, belt pulley in certain above-mentioned implementation process, the technology that arranges of said modules is the routine techniques of those skilled in the art's employing.
When the alternating current generator with vibration insulation structure of the present utility model uses, the vibration that rotor turns brings to stator 3, in the annular profile direction of stator 3, cushions through flame-retardant elastomer layer 4 and decays step by step, when vibrating arrival front end housing 1 endless wall, greatly reduce.Also can realize between the vibration of two pulses seamlessly transitting, also would not produce sharp-pointed outstanding order noise; The vibration that rotor turns brings to stator 3, at the axis direction of stator 3 to front end housing 1, cushions through fire retardant elastic circle 6 and decays step by step, greatly reduces when vibration arrives front end housing 1.Also can realize between the vibration of two pulses seamlessly transitting, also would not produce sharp-pointed outstanding order noise; The vibration that rotor turns brings to stator 3, at the axis direction of stator 3 to rear end cap 2, cushions through fire retardant elastic pad 5 and decays step by step, greatly reduces when vibration arrives rear end cap 2.Also can realize between the vibration of two pulses seamlessly transitting, also would not produce sharp-pointed outstanding order noise.
It is more than the execution mode on basis of the present utility model.As can be seen from above-mentioned implementation process, be arranged on the fire retardant elastic circle 6 between the axial forward end face of stator 3 and front end housing 1, be arranged on the fire retardant elastic pad 5 between the axial rearward end face of stator 3 and rear end cap 2, combine to have and from stator 3 axis direction, stator 3 vibration is carried out buffering and decayed step by step, thus make the vibration of arrival front end housing 1 and rear end cap 2 less, more level and smooth technical role, the flame-retardant elastomer layer 4 be arranged between the annular profile face of stator 3 and front end housing 1 endless wall has from stator 3 peripheral direction, stator 3 vibration is carried out buffering and decayed step by step, thus make the vibration of arrival front end housing 1 endless wall less, more level and smooth technical role, thus reduce the Oscillation Amplitude of alternating current generator on the whole, make the vibration of alternating current generator more level and smooth, also with regard to the noise of corresponding reduction alternating current generator.
In order to make flame-retardant elastomer layer 4 have good elasticity resistance to shock, the utility model is further improved on the basis of basic embodiment, and the first preferred implementation of the present utility model is, flame-retardant elastomer layer 4 is layer of silica gel.
During enforcement, adopt silica gel as the material making flame-retardant elastomer layer 4.Silica gel material has good chemical stability, its burning-point is high, nonflammable, even if burning also can not produce harmful substance, the more important thing is, silica gel has good elasticity resistance to shock relative to similar rubber, can effectively cushion and the vibration that passes over of stator 3 that decays step by step, thus reduces stator 3 further and vibrate the noise brought alternating current generator; The flame-retardant elastomer layer 4 that silica gel is made has good resistance to wear, thus improves the useful life of alternating current generator further, reduces follow-up maintenance cost.
For the ease of the formation of the layer of silica gel between the annular profile face of stator 3 and front end housing 1 endless wall, the utility model is further improved on the basis of the first preferred implementation, second preferred implementation of the present utility model is, have gap between the annular profile face of stator 3 and front end housing 1 endless wall, layer of silica gel in gap, pours into silica gel by device for casting to be formed.
During enforcement, when stator 3 is positioned at after on fire retardant elastic circle 6, adopt device for casting, in the gap 7 between the annular profile face of stator 3 and front end housing 1 endless wall, pour into a certain amount of flame-retardant elastomer, form layer of silica gel.Owing to making layer of silica gel according to the space structure in the gap 7 between the annular profile face of stator 3 and front end housing 1 endless wall, the annular profile face of layer of silica gel and stator 3, and front end housing 1 endless wall is structurally more adaptive, the gap 7 reduced between the annular profile face of stator 3 and front end housing 1 endless wall arranges the difficulty of layer of silica gel on the one hand, more effectively can cushion on the other hand and the vibration that passes over of stator 3 of decaying step by step, thus reduce stator 3 further and vibrate the noise that alternating current generator is brought.
For the ease of fire retardant elastic pad 5 is arranged on rear end cap 2, the utility model is further improved on the basis of basic embodiment or the first preferred implementation, 3rd preferred implementation of the present utility model is, the rear end cap 2 end face wall body that axial rearward end face with stator 3 is suitable is provided with rear end cap notch 201, and fire retardant elastic pad 5 is arranged in rear end cap notch 201.
During enforcement, those skilled in the art, directly fire retardant elastic pad 5 is fixed in rear end cap notch 201, again front end housing 1 and rear end cap 2 are attached together, thus raising fire retardant elastic pad 5 is arranged on the operation convenience on rear end cap 2 further, because fire retardant elastic pad 5 is limited in rear end cap notch 201, also with regard to the positional stability of corresponding raising fire retardant elastic pad 5 between axial rearward end face and rear end cap 2, thus improve the buffering fade performance of fire retardant elastic pad 5 pairs of stators 3 vibrations further, thus reduce the noise of alternating current generator further.
In order to effectively reduce the cost of manufacture of fire retardant elastic pad 5, the basis of the utility model any one execution mode in basic embodiment, the first to the 3rd preferred implementation is further improved, 4th preferred implementation of the present utility model is, the material of fire retardant elastic pad 5 is flame retardant rubber.
During enforcement, adopt industrial conventional, there is good chemical stability, burning-point is high, elasticity antivibration is functional, resistance to wear is good flame retardant rubber makes fire retardant elastic pad 5, when ensure fire retardant elastic pad 5 can effectively cushion stator 3 transmit vibration, the cost of manufacture of fire retardant elastic pad 5 can be reduced further.
In order to effectively reduce the cost of manufacture of fire retardant elastic circle 6, the basis of the utility model any one execution mode in basic embodiment, first to fourth preferred implementation is further improved, 5th preferred implementation of the present utility model is, the material of fire retardant elastic circle 6 is flame retardant rubber.
During enforcement, adopt industrial conventional, there is good chemical stability, burning-point is high, elasticity antivibration is functional, resistance to wear is good flame retardant rubber makes fire retardant elastic circle 6, when ensure fire retardant elastic circle 6 can effectively cushion stator 3 transmit vibration, the cost of manufacture of fire retardant elastic pad 5 can be reduced further.
It is more than the implementation process with the alternating current generator of vibration insulation structure of the present utility model.As can be seen from above-mentioned implementation process, the alternating current generator with vibration insulation structure of the present utility model achieves the vibration effectively eliminated and produce when motor runs, thus the noise produced when reducing alternating current generator running, improve carborne comfort level.
Claims (6)
1. there is the alternating current generator of vibration insulation structure, comprise front end housing (1), rear end cap (2), be set in stator (3) between front end housing (1) and rear end cap (2), described stator (3) has annular profile face, the axial forward end face in (1) that is built in front end housing, the axial rearward end face be built in rear end cap (2); It is characterized in that, fire retardant elastic circle (6) is provided with between the axial forward end face of stator (3) and front end housing (1), between the axial rearward end face of stator (3) and rear end cap (2), be provided with fire retardant elastic pad (5), between the annular profile face of stator (3) and front end housing (1) endless wall, be provided with flame-retardant elastomer layer (4).
2. the alternating current generator with vibration insulation structure according to claim 1, is characterized in that, described flame-retardant elastomer layer (4) is layer of silica gel.
3. the alternating current generator with vibration insulation structure according to claim 2, it is characterized in that, have gap (7) between the annular profile face of described stator (3) and front end housing (1) endless wall, described layer of silica gel is formed by device for casting perfusion silica gel in described gap (7).
4. according to the alternating current generator with vibration insulation structure in claims 1 to 3 described in any one claim, it is characterized in that, rear end cap (2) the end face wall body suitable with the axial rearward end face of stator (3) is provided with rear end cap notch (201), and fire retardant elastic pad (5) is arranged in rear end cap notch (201).
5. according to the alternating current generator with vibration insulation structure in claims 1 to 3 described in any one claim, it is characterized in that, the material of described fire retardant elastic pad (5) is flame retardant rubber.
6. according to the alternating current generator with vibration insulation structure in claims 1 to 3 described in any one claim, it is characterized in that, the material of described fire retardant elastic circle (6) is flame retardant rubber.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520219878.4U CN204597698U (en) | 2015-04-14 | 2015-04-14 | There is the alternating current generator of vibration insulation structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520219878.4U CN204597698U (en) | 2015-04-14 | 2015-04-14 | There is the alternating current generator of vibration insulation structure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107294255A (en) * | 2017-08-15 | 2017-10-24 | 罗伯特博世电机（中国）有限公司 | Electric motor end cap and the motor with it |
| CN110247502A (en) * | 2019-07-09 | 2019-09-17 | 浙江冯联汽车电机有限公司 | A kind of low noise heat dissipation type high AC generator for vehicle |
| CN110611382A (en) * | 2019-09-20 | 2019-12-24 | 青岛海西电气有限公司 | Motor stator with vibration isolation function |
| CN111082588A (en) * | 2018-10-19 | 2020-04-28 | 索恩格汽车部件（中国）有限公司 | Motor, damping component and end cover for motor |
| CN111082587A (en) * | 2018-10-19 | 2020-04-28 | 索恩格汽车部件（中国）有限公司 | Motor and end cover for motor |
-
2015
- 2015-04-14 CN CN201520219878.4U patent/CN204597698U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107294255A (en) * | 2017-08-15 | 2017-10-24 | 罗伯特博世电机（中国）有限公司 | Electric motor end cap and the motor with it |
| CN111082588A (en) * | 2018-10-19 | 2020-04-28 | 索恩格汽车部件（中国）有限公司 | Motor, damping component and end cover for motor |
| CN111082587A (en) * | 2018-10-19 | 2020-04-28 | 索恩格汽车部件（中国）有限公司 | Motor and end cover for motor |
| CN110247502A (en) * | 2019-07-09 | 2019-09-17 | 浙江冯联汽车电机有限公司 | A kind of low noise heat dissipation type high AC generator for vehicle |
| CN110611382A (en) * | 2019-09-20 | 2019-12-24 | 青岛海西电气有限公司 | Motor stator with vibration isolation function |
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