CN205349727U - Two effect structures of vacuum pump - Google Patents
Two effect structures of vacuum pump Download PDFInfo
- Publication number
- CN205349727U CN205349727U CN201620047771.0U CN201620047771U CN205349727U CN 205349727 U CN205349727 U CN 205349727U CN 201620047771 U CN201620047771 U CN 201620047771U CN 205349727 U CN205349727 U CN 205349727U
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- rotor
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- hole
- breathing
- vacuum pump
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- 230000000694 effects Effects 0.000 title abstract description 5
- 230000029058 respiratory gaseous exchange Effects 0.000 abstract 3
- 238000005086 pumping Methods 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 13
- 210000004907 gland Anatomy 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- 230000005855 radiation Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000030279 gene silencing Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000003032 molecular docking Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
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- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The utility model discloses a two effect structures of vacuum pump, including stator, rotor, suction disk, exhaust dish, the incurvated face intracavity of stator is located to the rotor, the stator is fixed between suction disk and exhaust dish, and the rotor terminal surface is equipped with the rotor groove along circumference, installs rotor blade in the rotor groove, suction disk, stator, rotor, rotor blade, exhaust disk become sealed working chamber, are equipped with the through -hole of breathing in at the edge of stator, the rotor is rotated by motor shaft drive, the rotor 0~90 and 180~working chamber was breathed in through the through -hole of breathing in in 270 o'clock, exhaust through the through -hole of breathing in at 90~180 and 270~360 o'clock. The utility model discloses reach very fast pumping rate and great vacuum, satisfy the required vacuum of new forms of energy electric motor car braking system.
Description
Technical field
This utility model relates to vacuum pump.
Background technology
Vane-type vacuum pump, is mainly used in brake system of car.Particularly new energy electric motor vehicle, effect is the vacuum stable to the offer of brakes vacuum booster, makes driver's energy more convenient, easily, effectively makes automobile brake.
The vacuum pump used at new energy electric motor vehicle at present is single-acting structure, cannot meeting the vacuum level requirements of new energy electric motor vehicle brakes, often leading to driver, to trample feel during brake pedal heavy, or the phenomenon that cannot brake, affecting the normal traveling of automobile, serious causes vehicle accident.
Utility model content
Technical problem to be solved in the utility model is just to provide a kind of vacuum pump double acting structure, solves existing vacuum pump suction performance low, and maximum vacuum is little, it is impossible to the problem meeting new-energy automobile brakes vacuum level requirements.
For solving above-mentioned technical problem, this utility model adopts the following technical scheme that a kind of vacuum pump double acting structure, including stator, rotor, suction disk, aerofluxus dish, the negative camber intracavity of stator is located at by described rotor, described stator is fixed between suction disk and aerofluxus dish, rotor end-face is circumferentially arranged with rotor slot, rotor slot is provided with rotor blade, described suction disk, stator, rotor, rotor blade, aerofluxus dish forms the working chamber sealed, it is provided with air-breathing through hole at the edge of stator, described rotor is driven by motor shaft and rotates, rotor working chamber when 0 °～90 ° and 180 °～270 ° passes through air-breathing through hole air-breathing；When 90 °～180 ° and 270 °～360 ° by air-breathing through hole aerofluxus.
Preferably, rotor inner hole and motor shaft are matched in clearance, and described motor shaft is fixed with eccentric bushing, and described eccentric bushing is provided with two steady pins, and described two steady pins insert in the hole, location of rotor.
Preferably, described rotor end-face is provided with 8 rotor slot.
Preferably, it is provided with 8 air-breathing through holes in stator rim.
This utility model is designed to double acting structure on the basis of original single-acting vacuum pump structure, designs air-breathing through hole, suction disk in stator rim, stator, aerofluxus dish, rotor, blade forms working chamber, forms double acting suction, aerofluxus in the volume change passing through to seal space.Thus reaching the speed of exhaust and bigger vacuum faster, to meet the vacuum needed for new energy electric motor vehicle brakes.
To sum up, this utility model, by above technical scheme, makes driver in altofrequency, and when trampling brake pedal for a long time, vacuum pump can effectively provide the vacuum of force aid system for braking, so that operator brake is more convenient, easily.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, this utility model is further described:
Fig. 1 is population structure schematic diagram of the present utility model；
Fig. 2 is the fit structure schematic diagram of stator and rotor；
Fig. 3 is the structural representation of rotor；
Fig. 4 is the structural representation of stator；
Fig. 5 is electric machine casing end face structure schematic diagram；
Fig. 6 is that in Fig. 5, I place's structure is amplified；
Fig. 7 is waterproof construction place cross-sectional view；
Fig. 8 is the structure schematic diagram of waterproof；
Fig. 9 is the cross-sectional view of waterproof；
Figure 10 is the Facad structure schematic diagram of waterproof；
Figure 11 is the structural representation of sound-insulating structure；
Figure 12 is the structural representation of gland；
Figure 13 is partial structurtes schematic diagram in Figure 12.
Detailed description of the invention
As shown in Figure 1, a kind of double acting vacuum pump, including motor 1 and the double acting structure that driven by motor 1, motor 1 includes electric machine casing 10, and the head end of electric machine casing 10 is covered with the gland 2 of tubular, and double acting structure covers in the inner chamber of gland 2, electric machine casing head is provided with suction hole 11 and steam vent 12, double acting structure can be inhaled when working, aerofluxus, and suction hole 11 is for the air inlet of double acting structure, and steam vent 12 is for the aerofluxus of double acting structure.Gland end face forms sealing by sealing ring after docking with electric machine casing head end around suction hole and steam vent, to avoid gas leakage.
As shown in Figures 1 to 4, double acting structure includes stator 6, rotor 5, suction disk 7, aerofluxus dish 8, the negative camber intracavity of stator 6 is located at by rotor 5, stator 6 is fixed between suction disk 7 and aerofluxus dish 8, rotor end-face is circumferentially arranged with rotor slot 52, being provided with rotor blade 51 in rotor slot 52, suction disk 7, stator 6, rotor 5, rotor blade 51, aerofluxus dish 8 form the working chamber sealed, and are provided with air-breathing through hole 61 at the edge of stator 6.
Motor shaft 13 rotor driven 5 rotary work of motor, in rotation process, forms little sealing space between rotor blade 51, when 0 °～90 °, rotor blade 51 marks, and causes that the spatial volume between rotor blade 51 becomes big, and air enters, and forms getter action.When 90 °～180 °, rotor blade 51 is in rotation process, and because stator curved surface extrudes, rotor blade 51 shrinks, and causes that sealing spatial volume reduces, and gas is got rid of, and forms scavenging action.Time during from 180 °～360 ° with 0 °～180 °, operation principle is identical, makes rotor blade 51 have 2 air-breathings and 2 degassing functions when rotating one week, forms double acting structure.
Wherein, rotor 5 adopts graphite material, or metal material is made, and stator negative camber 62 is oval calotte, or equation of higher degree curve and surface, and stator rim is provided with 8 air inlets, it is possible to be through square-section or other structures；Described suction disk 7, aerofluxus dish 8, the installing hole of stator 6 is 4 or 3；Rotor inner hole and motor shaft 13 are matched in clearance, and motor shaft 13 is fixed with eccentric bushing 9, and described eccentric bushing 9 is provided with two steady pins, and two steady pins insert in the hole, location 53 of rotor.Described stator is by 6 stainless steel materials, or wear resistant alloy material is made.
As shown in Figures 5 to 7, electric machine casing head is additionally provided with notch 101 of giving vent to anger, giving vent to anger, notch bottom surface is provided with passage 104, and notch 101 of giving vent to anger includes covering of the fan mouth and is located at the protrusion mouth of covering of the fan mouth outer arc side, and the bottom surface of described covering of the fan mouth is provided with the cascaded surface 102 reduced by the lateral outer arc side of inner arc.Wherein, described passage 104 is located at protrusion mouth bottom surface, is provided with labyrinth type waterproof sealing groove 105 giving vent to anger on notch bottom surface.
Concrete, labyrinth type waterproof sealing groove 105 includes the side seal groove being located at passage both sides, and described side seal groove is extended to fan-shaped mouth bottom surface, the bottom plane of described fan-shaped mouth bottom surface be staggeredly equipped with staggered seal groove along camber line by protruding a mouthful bottom surface.
Oral area periphery at notch of giving vent to anger is provided with sealing ring surface 103, is provided with sealing ring 14 on sealing ring surface, and sealing ring 14 is compressed sealing after docking with electric machine casing head surface by gland end face.
As shown in Fig. 8 to Figure 10, vacuum pump waterproof construction includes waterproof 3, and waterproof 3 is located at and is given vent to anger in notch 101, and waterproof 3 is provided with venthole 33 and realizes connecting with passage 104.Wherein, the periphery of waterproof 3 seals with notch 101 internal ring wall of giving vent to anger and coordinates, and described venthole 33 is that outer end bore is big, the bore grading structure that inner bore is little.Described waterproof 3 includes covering of the fan portion 31 and is located at the protuberance 32 of outer arc side, covering of the fan portion, and wherein covering of the fan portion 31 snaps in the covering of the fan mouth of notch of giving vent to anger, and protuberance 32 snaps in the protrusion mouth of notch of giving vent to anger.The covering of the fan portion 31 of waterproof 3 is provided with hierarchic structure 34 and coordinates with cascaded surface 102.Described venthole 33 staggers with passage 104.Described venthole 33 is located in covering of the fan portion 31.Described venthole 33 is round taper hole, naturally it is also possible to for shoulder hole structure.In the present embodiment, the venthole 33 on waterproof 3 is provided with two.
In above-mentioned waterproof construction, the periphery of waterproof 3 and notch 101 internal ring wall interference fit of giving vent to anger are to realize sealing, it is possible to prevent water from infiltering double acting structure by waterproof periphery.The venthole of taper type or notch cuttype, owing to outer end bore is big, inner bore is little, it is possible to reduce the probability entering vacuum pump core component when water rushes inward.And owing to the covering of the fan portion of waterproof is coordinated with the cascaded surface 102 given vent to anger on notch bottom surface by hierarchic structure 34, add venthole and be located at covering of the fan portion, air-vent is located at aspis bottom surface, so it is possible not only to stagger venthole and passage, and owing to the fit structure of notch cuttype stops, it is possible to stratified prevent water enter motor.Additionally, labyrinth type waterproof sealing groove, by the moisture stream that will enter from steam vent of level, reduce the impulsive force of water, it is prevented that water directly impacts waterproof and enters vacuum pump.
As shown in Figure 11 to Figure 13, vacuum pump sound-insulating structure include between the inner bottom surface of gland and aerofluxus dish end face arrange have barney 4, the center of described barney 4 is provided with air-flow through hole, this air-flow through hole connects with the air-vent on aerofluxus dish, air-vent gas out is discharged by air-flow through hole, air-flow discharge process easily produces noise, barney can shield and reduce noise, is provided with multiple labyrinth type puigging to strengthen noise reduction effect further from center to periphery between gland inner bottom surface and barney simultaneously.
Above-mentioned multiple labyrinth type puigging, wherein, the front center portion of barney 4 is circular flat 41, gland central part is provided with by center to a plurality of radiation silencing groove 21 of circumferential radiation, described radiation silencing groove 21 is pressed close to or is pressed on circular flat 41, between adjacent radiation silencing groove 21, define radiation airflow path, which constitute ground floor labyrinth puigging.Described gland inner bottom surface is provided with inner circle bulge loop 22 at radiation silencing groove outer circumferential side, the front correspondence inner circle bulge loop 22 of described barney 4 is provided with depression annular groove 411, described barney is provided with annular rib 42 at depression annular groove outer circumferential side, described inner circle bulge loop 22 inserts depression annular groove 411, the outer ring surface of described inner circle bulge loop 22 coordinates with the inner ring surface of annular rib 42 and is provided with airflow clearance between the two, so, inner circle bulge loop 22 cooperatively forms second layer labyrinth puigging with annular rib 42.Further, gland inner bottom surface has cylindrical bulge loop 23 the outer circumferential side of inner circle bulge loop 22 is circumferentially arranged, the periphery of described barney 4 is circumferentially arranged with flange 43, the inner ring surface of described cylindrical bulge loop 23 coordinates with the outer ring surface of flange 43, described cylindrical bulge loop is circumferentially arranged with notch 231, it is provided with airflow clearance between described flange and notch, therefore constitutes third layer labyrinth puigging.Owing to barney itself has a good deadening, being provided with multiple labyrinth type puigging from center to periphery between gland inner bottom surface and barney, multiple labyrinth type puigging makes that air-flow is dispersed, reduce noise, further enhancing soundproof effect simultaneously.
Center back at barney is provided with the center projection 44 of protrusion, and the position of described center projection is corresponding with air-vent position, described air-flow through hole traverse center projection.The back edge of described barney is along the whole pressure ring 45 that is circumferentially with, and pressure ring end face is pressed on aerofluxus dish end face, and pressure ring end face is higher than center projection end face, therefore defines relative confined space inside pressure ring, and air-flow is discharged only by air-flow through hole.
Claims (4)
1. a vacuum pump double acting structure, it is characterized in that: include stator, rotor, suction disk, aerofluxus dish, the negative camber intracavity of stator is located at by described rotor, described stator is fixed between suction disk and aerofluxus dish, rotor end-face is circumferentially arranged with rotor slot, rotor slot is provided with rotor blade, described suction disk, stator, rotor, rotor blade, aerofluxus dish form the working chamber sealed, it is provided with air-breathing through hole at the edge of stator, described rotor is driven by motor shaft and rotates, and rotor working chamber when 0 °～90 ° and 180 °～270 ° passes through air-breathing through hole air-breathing；When 90 °～180 ° and 270 °～360 ° by air-breathing through hole aerofluxus.
2. a kind of vacuum pump double acting structure according to claim 1, it is characterised in that: rotor inner hole and motor shaft are matched in clearance, and described motor shaft is fixed with eccentric bushing, and described eccentric bushing is provided with two steady pins, and described two steady pins insert in the hole, location of rotor.
3. a kind of vacuum pump double acting structure according to claim 1, it is characterised in that: described rotor end-face is provided with 8 rotor slot.
4. a kind of vacuum pump double acting structure according to claim 1, it is characterised in that: it is provided with 8 air-breathing through holes in stator rim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620047771.0U CN205349727U (en) | 2016-01-19 | 2016-01-19 | Two effect structures of vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620047771.0U CN205349727U (en) | 2016-01-19 | 2016-01-19 | Two effect structures of vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205349727U true CN205349727U (en) | 2016-06-29 |
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ID=56176162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620047771.0U Active CN205349727U (en) | 2016-01-19 | 2016-01-19 | Two effect structures of vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205349727U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915370A (en) * | 2019-04-11 | 2019-06-21 | 浙江斯柯特新能源科技有限公司 | A kind of high power noise reduction electric vacuum pump |
-
2016
- 2016-01-19 CN CN201620047771.0U patent/CN205349727U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915370A (en) * | 2019-04-11 | 2019-06-21 | 浙江斯柯特新能源科技有限公司 | A kind of high power noise reduction electric vacuum pump |
| CN109915370B (en) * | 2019-04-11 | 2021-02-12 | 浙江斯柯特新能源科技有限公司 | High-power silencing electric vacuum pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 1 Junlian Road, Diankou Town, Zhuji City, Shaoxing City, Zhejiang Province, 311835 Patentee after: Zhejiang Wan'an Zhiqu Automotive Electronic Technology Co.,Ltd. Country or region after: China Address before: 311835 Zhejiang Wan'an Pump Industry Co., Ltd., Wan'an Science and Technology Park, Diankou Town, Zhuji City, Shaoxing City, Zhejiang Province Patentee before: ZHEJIANG VIE PUMP-MANU Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |