CN202520508U - Electric automatic vacuum pump - Google Patents
Electric automatic vacuum pump Download PDFInfo
- Publication number
- CN202520508U CN202520508U CN2012201100959U CN201220110095U CN202520508U CN 202520508 U CN202520508 U CN 202520508U CN 2012201100959 U CN2012201100959 U CN 2012201100959U CN 201220110095 U CN201220110095 U CN 201220110095U CN 202520508 U CN202520508 U CN 202520508U
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- Prior art keywords
- pump
- cylinder
- valve
- screw
- valve block
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- Expired - Fee Related
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- 239000000463 material Substances 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 9
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000005086 pumping Methods 0.000 abstract description 3
- 238000013016 damping Methods 0.000 abstract 1
- 239000010687 lubricating oil Substances 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The utility model discloses an electric automatic vacuum pump, which comprises a motor, an integral valve seat, a cylinder, an integral pump cover, a connecting rod and a pump body, wherein the tail end of a brushless motor is fixedly connected with an auxiliary fixing plate through a fixing plate screw; the auxiliary fixing plate is provided with a damping cushion; a brushless motor fixing screw is connected to the pump body; a pump body O-shaped ring is arranged between the brushless motor and the pump body; the connecting rod is fixed on a brushless motor shaft in the pump body through an eccentric wheel screw; a back cover is fixed on the pump body through a back cover screw; a hole below the pump body is sealed with a sealing screw; the cylinder is arranged above the pump body; a cylinder O-shaped ring is connected between the pump body and the cylinder; and the inner wall of the cylinder corresponds to a piston ring. The electric automatic vacuum pump has the beneficial effects of small shape, simple and novel structure, no need of lubricating oil, high pumping speed, convenience for installing and long service life.
Description
Technical field
A kind of hydraulic braking vacuum servo system for electric vehicle, hybrid vehicle that the utility model relates in the electric vehicle manufacturing provides the drive unit of vacuum source, particularly a kind of electric vehicle vacuum pump.
Background technique
Existing internal combustion locomotive; Wherein petrolic vacuum source is from engine intake, and the vacuum source of DENG is from the glossy vacuum pump of rotary sheet type of engine output shaft driving, and electric vehicle uses electromobile; Cancelled internal-combustion engine; Therefore do not had vacuum source, vacuum boosting braking system can not be installed, influenced the braking effect of electric vehicle.
The model utility content
To the defective that lacks vacuum source in existing electric vehicle and the hybrid vehicle, the utility model provides a kind of electric vehicle vacuum pump.
To achieve these goals, the measure taked of the utility model is:
A kind of electric vehicle vacuum pump comprises motor, one-piece type valve seat, cylinder, one-piece type pump cover, connecting rod and the pump housing, and the end of brushless electric machine is fixedly connected with auxiliary fixing plate through the fixed plate screw; Auxiliary fixing plate is provided with beam, and brushless electric machine motor retaining screw is connected on the pump housing, is provided with pump housing O type circle between the brushless electric machine and the pump housing; Connecting rod is fixed on the brushless electric machine axle in the pump housing through the eccentric wheel screw, and bonnet is fixed on the pump housing through the bonnet screw, and square hole seals with sealed screw under the pump housing; Pump housing top is equipped with cylinder, is connected with cylinder O type circle between the pump housing and the cylinder, and the inwall of cylinder is corresponding with piston ring; Piston ring is fixedly connected on the connecting rod through pressing plate, plate screw PTFE ring and screw; Be provided with pressing plate O type circle between pressing plate and the connecting rod, the valve seat that install the cylinder upper end is provided with valve seat O type circle between one-piece type valve seat and the cylinder; The pump head retaining screw is fixedly connected on the valve seat upper end through one-piece type pump cover, spring washer, pad and pump cover O type circle successively; Be provided with and be provided with an end fixing suction valve and gas outlet valve in the one-piece type valve seat of valve block, the suction port of suction valve outlet and pump cover is connected, and gas outlet valve exports and the air outlet of one-piece type pump cover communicates; Be provided with pump cover O type circle between one-piece type valve seat and the one-piece type pump cover; Adopt vehicle power that power is provided, produce vacuum, for the brake system of electric vehicle provides vacuum source thereby advance motor on the pump housing to carry out piston motion.
Connecting rod is provided with circlip groove.
The end of brushless electric machine is connected with connecting direction has four kinds auxiliary fixing plate, and stationary plane is installed in one of them of four attachment faces.
Described one-piece type valve seat is: valve seat is provided with first valve block and second valve block; First valve block and the second valve block setting are the both sides that are fixed on valve seat through valve block backplate screw; The first valve block valve seat is provided with the first valve block backing plate, is provided with the second valve block backing plate between second valve block and the valve block backplate.
Described connecting rod is: be pressed into bearing on the connecting rod, bearing is pressed into eccentric wheel, is provided with the eccentric wheel back-up ring between eccentric wheel and the bearing, is provided with end ring between bearing and the connecting rod.
Described one-piece type pump cover is: be connected with steam outlet pipe O type circle and valve between pump cover air outlet and the pump cover, the suction port end of pump cover is installed baffler.
The material of said piston ring is a PTFE.
The material of said cylinder is an aluminum alloy 6063, inwall plating ceramic layer.
Said first valve block and the second valve block material are stainless steel 304.
The beneficial effect of the utility model: shape is small and exquisite, and novelty simple in structure need not lubricant oil, and pumping speed is fast, and is easy for installation, and is applicable to various electric vehicle and hybrid vehicle, maintenance easy to use, long service life.
Description of drawings
Sectional drawing when Fig. 1, the utility model exhaust condition;
Sectional drawing when Fig. 2, the utility model suction condition;
The general assembly drawing of Fig. 3, the utility model;
The schematic representation of Fig. 4, the intermittent vacuum system of the utility model.
Embodiment
1, a kind of electric vehicle vacuum pump; Comprise brushless electric machine 4, valve seat assembly, cylinder 31, pump cover assembly, connecting rod ASSY and the pump housing 32, the end of brushless electric machine 4 is fixedly connected with auxiliary fixing plate 3 through fixed plate screw 33, and auxiliary fixing plate 3 is provided with beam 1 brushless electric machine 4 motor retaining screws 2 and is connected on the pump housing 32; Be provided with pump housing O type circle 5 between the brushless electric machine 4 and the pump housing 32; Connecting rod ASSY is fixed on 4 of the brushless electric machines in the pump housing 32 through eccentric wheel screw 8, and bonnet 12 is fixed on the pump housing 32 through bonnet screw 39, and 32 times square holes of the pump housing seal with sealed screw 6; The pump housing 32 tops are equipped with cylinder 31; Be connected with cylinder O type circle 13 between the pump housing 32 and the cylinder 31, the inwall of cylinder 31 is corresponding with piston ring 15, and piston ring 15 is fixedly connected on the connecting rod ASSY through pressing plate 16, plate screw PTFE ring 35 and screw 34; Be provided with pressing plate O type circle 30 between pressing plate 16 and the connecting rod ASSY; The valve seat 29 that install cylinder 31 upper ends is provided with valve seat O type circle 17 between valve seat assembly and the cylinder 31, pump head retaining screw 36 is fixedly connected on valve seat 29 upper ends through pump cover assembly, spring washer 37, pad 38 and pump cover O type circle 18 successively; Be provided with and be provided with an end fixing suction valve and gas outlet valve in the valve seat assembly of valve block; The suction port of suction valve outlet and pump cover 21 is connected, and the air outlet of gas outlet valve outlet 19 and pump cover 21 communicates, and is provided with pump cover O type circle 18 between valve seat assembly and the pump cover assembly
Described valve seat assembly is: valve seat 29 is provided with first valve block 22 and second valve block 26; It is the both sides that are fixed on valve seat 29 through valve block backplate screw 24 that first valve block 22 and second valve block 26 are provided with; First valve block, 22 valve seats 29 are provided with between the first valve block backing plate, 23, the second valve blocks 26 and the valve block backplate 25 and are provided with the second valve block backing plate 27.
Described connecting rod ASSY is: is pressed into bearing 7 on the connecting rod 4, is pressed into eccentric wheel 9 on the bearing 7, be provided with eccentric wheel back-up ring 10 between eccentric wheel 9 and the bearing 7, be provided with end ring 11 between bearing 7 and the connecting rod 14,
Described pump cover assembly is: be connected with steam outlet pipe O type circle 20 and valve 19 between pump cover 21 air outlets and the pump cover 21, the suction port end of pump cover 21 is installed baffler 28.
The material of said piston ring 15 is a PTFE.
The material of said cylinder 31 is aluminum alloy 6063 an inwalls plating ceramic layer.
Said first valve block 22 and second valve block, 26 materials are stainless steel 304.
The working principle of the utility model: drive eccentric wheel and bearing through motor output shaft, utilize eccentric offset that connecting rod is done and pump, and drive the piston ring that is contained in small end, to-and-fro motion in the ceramic plated layer cylinder in being contained in the pump housing.Through carrying out air-breathing and exhaust in the valve seat that suction valve is housed, produce compressed-air actuated effect.
The beneficial effect of the utility model: shape is small and exquisite, and novelty simple in structure need not lubricant oil, and pumping speed is fast, and is easy for installation, and is applicable to various electric vehicle and hybrid vehicle, maintenance easy to use, long service life.
Claims (9)
1. electric vehicle vacuum pump; It is characterized in that: comprise motor (4), one-piece type valve seat (29), cylinder (31), one-piece type pump cover (21), connecting rod (14) and the pump housing (32), the end of brushless electric machine (4) is fixedly connected with auxiliary fixing plate (3) through fixed plate screw (33), and auxiliary fixing plate (3) is provided with beam (1); Brushless electric machine (4) motor retaining screw (2) is connected on the pump housing (32); Be provided with pump housing O type circle (5) between the brushless electric machine (4) and the pump housing (32), connecting rod (14) is fixed on brushless electric machine (4) axle in the pump housing (32) through eccentric wheel screw (8), and bonnet (12) is fixed on the pump housing (32) through bonnet screw (39); The pump housing (32) square hole down seals with sealed screw (6); The pump housing (32) top is equipped with cylinder (31), is connected with cylinder O type circle (13) between the pump housing (32) and the cylinder (31), and the inwall of cylinder (31) is corresponding with piston ring (15); Piston ring (15) is fixedly connected on the connecting rod (14) through pressing plate (16), plate screw PTFE ring (35) and screw (34); Be provided with pressing plate O type circle (30) between pressing plate (16) and the connecting rod (14), the valve seat (29) that install cylinder (31) upper end is provided with valve seat O type circle (17) between one-piece type valve seat (29) and the cylinder (31); Pump head retaining screw (36) is fixedly connected on valve seat (29) upper end through one-piece type pump cover (21), spring washer (37), pad (38) and pump cover O type circle (18) successively; Be provided with and be provided with an end fixing suction valve and gas outlet valve in the one-piece type valve seat (29) of valve block, the suction port of suction valve outlet and pump cover (21) is connected, and the air outlet that gas outlet valve exports (19) and one-piece type pump cover (21) communicates; Be provided with pump cover O type circle (18) between one-piece type valve seat (29) and the one-piece type pump cover (21); Adopt vehicle power that power is provided, produce vacuum, for the brake system of electric vehicle provides vacuum source thereby advance motor on the pump housing to carry out piston motion.
2. electric vehicle vacuum pump according to claim 1 is characterized in that: connecting rod (14) is provided with circlip groove.
3. electric vehicle vacuum pump according to claim 1 is characterized in that: the end of brushless electric machine (4) is connected with connecting direction has four kinds auxiliary fixing plate (3), and stationary plane is installed in one of them of four attachment faces.
4. according to claim 1; 2 or 3 described electric vehicle vacuum pumps; It is characterized in that: described one-piece type valve seat (29) is: valve seat (29) is provided with first valve block (22) and second valve block (26); The settings of first valve block (22) and second valve block (26) are the both sides that are fixed on valve seat (29) through valve block backplate screw (24), and first valve block (22) valve seat (29) is provided with the first valve block backing plate (23), is provided with the second valve block backing plate (27) between second valve block (26) and the valve block backplate (25).
5. according to claim 1; 2 or 3 described electric vehicle vacuum pumps; It is characterized in that: described connecting rod (14) is: be pressed into bearing (7) on the connecting rod (14); Bearing (7) is pressed into eccentric wheel (9), is provided with eccentric wheel back-up ring (10) between eccentric wheel (9) and the bearing (7), is provided with end ring (11) between bearing (7) and the connecting rod (14).
6. according to claim 1; 2 or 3 described electric vehicle vacuum pumps; It is characterized in that: described one-piece type pump cover (21) is: be connected with steam outlet pipe O type circle (20) and valve (19) between pump cover (21) air outlet and the pump cover (21), the suction port end of pump cover (21) is installed baffler (28).
7. according to the described electric vehicle vacuum pump of claim 1,2 or 3, it is characterized in that: the material of said piston ring (15) is a PTFE.
8. according to the described electric vehicle vacuum pump of claim 1,2 or 3, it is characterized in that: the material of said cylinder (31) is an aluminum alloy 6063, inwall plating ceramic layer.
9. according to the described electric vehicle vacuum pump of claim 1,2 or 3, it is characterized in that: said first valve block (22) and second valve block (26) material are stainless steel 304.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201100959U CN202520508U (en) | 2012-03-22 | 2012-03-22 | Electric automatic vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201100959U CN202520508U (en) | 2012-03-22 | 2012-03-22 | Electric automatic vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202520508U true CN202520508U (en) | 2012-11-07 |
Family
ID=47103460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201100959U Expired - Fee Related CN202520508U (en) | 2012-03-22 | 2012-03-22 | Electric automatic vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202520508U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089589A (en) * | 2013-01-09 | 2013-05-08 | 昆山佳铭自动化科技有限公司 | Compressing-ring assembling and detection combination device used for piston type electric vacuum pump |
| CN104989618A (en) * | 2015-06-09 | 2015-10-21 | 安庆卡尔特压缩机有限公司 | Compressor for refrigerants |
-
2012
- 2012-03-22 CN CN2012201100959U patent/CN202520508U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089589A (en) * | 2013-01-09 | 2013-05-08 | 昆山佳铭自动化科技有限公司 | Compressing-ring assembling and detection combination device used for piston type electric vacuum pump |
| CN104989618A (en) * | 2015-06-09 | 2015-10-21 | 安庆卡尔特压缩机有限公司 | Compressor for refrigerants |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121107 Termination date: 20210322 |