CN203717301U - Electronic direct-current vacuum pump of automotive braking system - Google Patents
Electronic direct-current vacuum pump of automotive braking system Download PDFInfo
- Publication number
- CN203717301U CN203717301U CN201420078103.5U CN201420078103U CN203717301U CN 203717301 U CN203717301 U CN 203717301U CN 201420078103 U CN201420078103 U CN 201420078103U CN 203717301 U CN203717301 U CN 203717301U
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- Prior art keywords
- noise reduction
- assembly
- case
- diaphragm
- isolating plate
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- Expired - Lifetime
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- 230000009467 reduction Effects 0.000 claims description 48
- 238000007789 sealing Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract description 10
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 238000005086 pumping Methods 0.000 abstract description 3
- 230000000712 assembly Effects 0.000 abstract 2
- 238000000429 assembly Methods 0.000 abstract 2
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 230000001419 dependent effect Effects 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001095 motoneuron effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000003584 silencer Effects 0.000 description 1
Abstract
The utility model relates to an electronic direct-current vacuum pump of an automotive braking system, and belongs to the technical field of automotive braking systems. The electronic direct-current vacuum pump comprises a diaphragm assembly, a pump body, a muffler assembly, a balance mandrel, a motor assembly, an air pipe joint and housing assemblies, wherein the diaphragm assembly is mounted on the motor assembly, the motor assembly is fixed below the pump body, the muffler assembly is fixed above the pump body, and the housing assemblies are fixed on two sides of the pump body; and the air pipe joint is fixed below the pump body by a steel wire retainer ring for a hole. With the adoption of the double-diaphragm structure, the electronic direct-current vacuum pump reciprocates under the action of a motor, and three processes including suction, compression and exhaust are formed in a one-time reciprocating motion process to perform vacuum pumping on a vacuum booster, so that the electric vacuum pump is not dependent on an automobile engine during operation, and the problems that the conventional vacuum booster which is used for vacuum pumping and arranged on a turbo-charging vehicle, a plug-in hybrid power vehicle, a pure electric vehicle or a diesel vehicle is high in noise, complex in structure and undesirable in power-assisted braking action are solved.
Description
Technical field
The utility model relates to a kind of brake system of car DC electronic vacuum pump for turbosupercharging automobile, plug-in hybrid-power automobile, pure electric automobile, diesel-powered car braking, belongs to brake system of car technical field.
Background technique
The brake vacuum source of existing passenger car braking system is mainly from engine intake manifold, when motor is air-breathing, in intake manifold, form vacuum, because vacuum booster is connected with engine intake manifold by pipeline, realize the function that vacuum booster is vacuumized; When driver steps on brake petal, atmospheric pressure acts on vacuum booster one side, plays power brake effect.But just different on turbosupercharging automobile, hybrid vehicle and electric vehicle, turbosupercharging automobile is owing to adopting turbocharging technology, the plenum system of engine intake manifold is under turbosupercharger effect, what adopt is malleation plenum system, can not to vacuum booster, vacuumize again, at this moment need to have special vacuumizing part to complete.Hybrid vehicle, electric vehicle, because adopting motor to drive, also must have special vacuum pumping device that vacuum source is provided.The existing device volume that vacuum booster is vacuumized is large, complex structure, and power brake effect is undesirable.
Summary of the invention
The purpose of this utility model is, provide a kind of and take on-vehicle battery as power supply, by driven by motor diaphragm, move reciprocatingly, in forming once reciprocating process, air cavity volume changes from large to small, formation is bled, compression, three processes of exhaust vacuumize vacuum booster, realizes the brake system of car DC electronic vacuum pump that configuration turbosupercharging vehicle, plug-in hybrid vehicle, pure electric vehicle, diesel vehicle is played to power brake effect when the braking.
The utility model is to realize by the following technical solutions above-mentioned purpose:
This brake system of car DC electronic vacuum pump consists of diaphragm assembly, the pump housing, noise reduction inner casing, noise reduction face valve, shunting cap, isolating plate, noise reduction case, balance mandrel, motor assembly, gas-tpe fitting, end cap and case, it is characterized in that: diaphragm assembly by balance mandrel, bearing and elastic cylindrical pin, connect and by interference fit on motor assembly, motor assembly is fixed by screws in the below of the pump housing; Noise reduction inner casing, noise reduction face valve, shunting cap, isolating plate and noise reduction case form baffler assembly, between noise reduction inner casing and noise reduction case, isolating plate is housed, isolating plate top is filled with outer noise reduction sponge, isolating plate lower left side is equipped with noise reduction face valve and shunting cap, right side, isolating plate bottom is filled with interior noise reduction sponge, and baffler assembly is fixed by screws in pump housing top and is communicated with atmosphere; End cap, sealing gasket, diaphragm type suction face valve, case and diaphragm type deflation area valve form case assembly, sealing gasket, diaphragm type suction face valve and diaphragm type deflation area valve are arranged between end cap and case from top to bottom, are fixed by screws in the both sides of the pump housing after end cap and case riveted joint tighten up; Gas-tpe fitting is fixed on the below of the pump housing with Steel Cable Baffle Ring by hole.
The utility model beneficial effect is compared with prior art:
This brake system of car DC electronic vacuum pump is by two diaphragm structures, under motor effect, move reciprocatingly, in forming once reciprocating process, air cavity volume changes from large to small, formation is bled, compression, three processes of exhaust vacuumize vacuum booster, electric vacuum pump make the running of electric vacuum pump not rely on motor car engine, even in the time of must turning off engine in start and stop function, still can provide vacuum.Can be configured on turbosupercharging vehicle, electric vehicle, motor vehicle driven by mixed power and diesel vehicle, once petrol engine cannot provide enough vacuum, electric vacuum pump can be connected in time and continues to provide vacuum to guarantee the normal operation of brake booster, vacuum brake.The diaphragm of this brake system of car DC electronic vacuum pump adopts flexible material, machinery inertial power is little, internal structure damping adopts balance mandrel, effectively reduce mechanical shock, between diaphragm and the pump housing, without fretting wear, electrical consumption power is little, silencer of air outlet is designed with shunting cap, double-deck acoustic construction, soundproof material adopts sponge, effectively reduces mechanicalness noise.
Accompanying drawing explanation
Fig. 1 is a kind of main TV structure schematic diagram of brake system of car DC electronic vacuum pump;
Fig. 2 is a kind of plan structure schematic diagram of brake system of car DC electronic vacuum pump;
Fig. 3 is a kind of perspective view of brake system of car DC electronic vacuum pump.
In figure: 1, diaphragm assembly, 2, the pump housing, 3, noise reduction inner casing, 4, noise reduction face valve, 5, shunting cap, 6, interior noise reduction sponge, 7, isolating plate, 8, outer noise reduction sponge, 9, noise reduction case, 10, balance mandrel, 11, motor assembly, 12, gas-tpe fitting, 13, hole Steel Cable Baffle Ring, 14, end cap, 15, sealing gasket, 16, diaphragm type suction face valve, 17, case, 18, diaphragm type deflation area valve.
Embodiment
This brake system of car DC electronic vacuum pump is by diaphragm assembly 1, the pump housing 2, noise reduction inner casing 3, noise reduction face valve 4, shunting cap 5, interior noise reduction sponge 6, isolating plate 7, outer noise reduction sponge 8, noise reduction case 9, balance mandrel 10, motor assembly 11, gas-tpe fitting 12, for hole, Steel Cable Baffle Ring 13, end cap 14, sealing gasket 15, diaphragm type suction face valve 16, case 17 and diaphragm type deflation area valve 18 form.Diaphragm assembly 1 by balance mandrel 10, bearing and elastic cylindrical pin, connect and by interference fit on motor assembly 11, motor assembly 11 is fixed by screws in the below of the pump housing 2.Noise reduction inner casing 3, noise reduction face valve 4, shunting cap 5, isolating plate 7 and noise reduction case 9 form baffler assembly, between noise reduction inner casing 3 and noise reduction case 9, isolating plate 7 is housed, isolating plate 7 tops are filled with outer noise reduction sponge 8, isolating plate 7 lower left side are equipped with noise reduction face valve 4 and shunting cap 5, isolating plate 7 right sides, bottom are filled with interior noise reduction sponge 6, and baffler assembly is fixed by screws in the pump housing 2 tops and is communicated with atmosphere.End cap 14, sealing gasket 15, diaphragm type suction face valve 16, case 17 and diaphragm type deflation area valve 18 form case assembly, sealing gasket 15, diaphragm type suction face valve 16 and diaphragm type deflation area valve 18 are arranged between end cap 14 and case 17 from top to bottom successively, are fixed by screws in the both sides of the pump housing 2 after end cap 14 and case 17 riveted joints tighten up.Gas-tpe fitting 12 uses Steel Cable Baffle Ring 13 to be fixed on the below of the pump housing 2 by hole.(referring to accompanying drawing 1～3)
The working procedure of this brake system of car DC electronic vacuum pump is: under the driving of motor assembly 11, band dynamic diaphragm assembly 1 is done straight reciprocating motion, and in movement process, the active force of balance mandrel 10 balance diaphragm assembly 1 under centrifugal action reaches damping, noise reduction object.The pump housing 2 both sides are two vacuum chambers by end cap 14, sealing gasket 15 and case 17 by the pump housing 2 interior separations, vacuum chamber volume in diaphragm assembly 1 is done the effect lower pump body 2 of straight reciprocating motion changes, under air effect, diaphragm type suction face valve 16 completes air suction function, diaphragm type deflation area valve 18 completes degassing function, thereby forms the bleeding of vacuum pump, exhaust process.Gas-tpe fitting 12 is used Steel Cable Baffle Ring 13 to be fixed on the pump housing 2 and with the vacuum booster of brake system of car by hole to be connected, and the pump housing 2 connects atmosphere by baffler assembly, thereby realizes the effect that vacuum booster is vacuumized.Baffler assembly is divided into two-stage silencing air chamber by noise reduction inner casing 3, isolating plate 7 and noise reduction case 9 by baffler, the mechanicalness noise producing in vacuum pump body disperses by noise reduction face valve 4 and shunting cap 5, and then by finally connecting again atmosphere after the interior noise reduction sponge 6 of 1 grade of air chamber and outer noise reduction sponge 8 noise reductions of 2 grades of air chambers.Baffler soundproof material adopt sponge and by shunting and multi-stage isolation noise reduction to reach the object that reduces noise.The diaphragm assembly 1 of this brake system of car DC electronic vacuum pump adopts flexible material, without oil lubrication.
The above is preferred embodiment of the present utility model, above-mentioned not illustrating done any pro forma restriction to flesh and blood of the present utility model, any simple modification or distortion that person of an ordinary skill in the technical field has done above embodiment according to technical spirit of the present utility model after having read this specification, and the technology contents that may utilize above-mentioned announcement is changed or is modified to the equivalent embodiment of equivalent variations, all still belong in the scope of technical solutions of the utility model, and do not deviate from essence of the present utility model and scope.
Claims (1)
1. a brake system of car DC electronic vacuum pump, it is by diaphragm assembly (1), the pump housing (2), noise reduction inner casing (3), noise reduction face valve (4), shunting cap (5), isolating plate (7), noise reduction case (9), balance mandrel (10), motor assembly (11), gas-tpe fitting (12), end cap (14) and case (17) form, it is characterized in that: diaphragm assembly (1) is by balance mandrel (10), bearing and elastic cylindrical pin connect and by interference fit on motor assembly (11), motor assembly (11) is fixed by screws in the below of the pump housing (2), noise reduction inner casing (3), noise reduction face valve (4), shunting cap (5), isolating plate (7) and noise reduction case (9) form baffler assembly, between noise reduction inner casing (3) and noise reduction case (9), isolating plate (7) is housed, isolating plate (7) top is filled with outer noise reduction sponge (8), isolating plate (7) lower left side is equipped with noise reduction face valve (4) and shunting cap (5), isolating plate (7) right side, bottom is filled with interior noise reduction sponge (6), and baffler assembly is fixed by screws in the pump housing (2) top and is communicated with atmosphere, end cap (14), sealing gasket (15), diaphragm type suction face valve (16), case (17) and diaphragm type deflation area valve (18) form case assembly, sealing gasket (15), diaphragm type suction face valve (16) and diaphragm type deflation area valve (18) are arranged between end cap (14) and case (17) from top to bottom, are fixed by screws in the both sides of the pump housing (2) after end cap (14) and case (17) riveted joint tighten up, gas-tpe fitting (12) is fixed on the below of the pump housing (2) by hole Steel Cable Baffle Ring (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420078103.5U CN203717301U (en) | 2014-02-24 | 2014-02-24 | Electronic direct-current vacuum pump of automotive braking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420078103.5U CN203717301U (en) | 2014-02-24 | 2014-02-24 | Electronic direct-current vacuum pump of automotive braking system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203717301U true CN203717301U (en) | 2014-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420078103.5U Expired - Lifetime CN203717301U (en) | 2014-02-24 | 2014-02-24 | Electronic direct-current vacuum pump of automotive braking system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203717301U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114283A (en) * | 2015-07-21 | 2015-12-02 | 石家庄佳信汽车制动系统有限公司 | Linear opposed piston type electric vacuum pump |
| CN105134567A (en) * | 2015-07-21 | 2015-12-09 | 石家庄佳信汽车制动系统有限公司 | Horizontally-opposite diaphragm type electric vacuum pump |
| CN105804967A (en) * | 2016-05-10 | 2016-07-27 | 浙江亚太机电股份有限公司 | Combined piston type electronic vacuum pump for automobile |
| CN105889042A (en) * | 2016-06-29 | 2016-08-24 | 湖州安瑞能液压气动科技有限公司 | Membrane type automobile electric vacuum pump |
| CN105889041A (en) * | 2016-06-29 | 2016-08-24 | 湖州安瑞能液压气动科技有限公司 | Air entering/draining mechanism for membrane type automobile electric vacuum pump |
| CN105952624A (en) * | 2016-06-29 | 2016-09-21 | 湖州安瑞能液压气动科技有限公司 | Air outlet end cover assembly of electric vacuum pump for diaphragm type automobile |
| CN105952625A (en) * | 2016-06-29 | 2016-09-21 | 湖州安瑞能液压气动科技有限公司 | Pump diaphragm rabbet mechanism of diaphragm type automatic electric vacuum pump |
| CN105971861A (en) * | 2016-06-29 | 2016-09-28 | 湖州安瑞能液压气动科技有限公司 | Running mechanism of electric vacuum pump for diaphragm type automobile |
| CN106089662A (en) * | 2016-06-29 | 2016-11-09 | 湖州安瑞能液压气动科技有限公司 | The piston component of diaphragm type electric vacuum pump for automobile |
| CN107035670A (en) * | 2017-05-31 | 2017-08-11 | 瑞立集团瑞安汽车零部件有限公司 | A kind of Vehicular electric diaphragm vavuum pump |
-
2014
- 2014-02-24 CN CN201420078103.5U patent/CN203717301U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114283A (en) * | 2015-07-21 | 2015-12-02 | 石家庄佳信汽车制动系统有限公司 | Linear opposed piston type electric vacuum pump |
| CN105134567A (en) * | 2015-07-21 | 2015-12-09 | 石家庄佳信汽车制动系统有限公司 | Horizontally-opposite diaphragm type electric vacuum pump |
| CN105114283B (en) * | 2015-07-21 | 2018-05-01 | 石家庄佳信汽车制动系统有限公司 | Straight line opposed piston electric vacuum pump |
| CN105804967A (en) * | 2016-05-10 | 2016-07-27 | 浙江亚太机电股份有限公司 | Combined piston type electronic vacuum pump for automobile |
| CN105889042A (en) * | 2016-06-29 | 2016-08-24 | 湖州安瑞能液压气动科技有限公司 | Membrane type automobile electric vacuum pump |
| CN105889041A (en) * | 2016-06-29 | 2016-08-24 | 湖州安瑞能液压气动科技有限公司 | Air entering/draining mechanism for membrane type automobile electric vacuum pump |
| CN105952624A (en) * | 2016-06-29 | 2016-09-21 | 湖州安瑞能液压气动科技有限公司 | Air outlet end cover assembly of electric vacuum pump for diaphragm type automobile |
| CN105952625A (en) * | 2016-06-29 | 2016-09-21 | 湖州安瑞能液压气动科技有限公司 | Pump diaphragm rabbet mechanism of diaphragm type automatic electric vacuum pump |
| CN105971861A (en) * | 2016-06-29 | 2016-09-28 | 湖州安瑞能液压气动科技有限公司 | Running mechanism of electric vacuum pump for diaphragm type automobile |
| CN106089662A (en) * | 2016-06-29 | 2016-11-09 | 湖州安瑞能液压气动科技有限公司 | The piston component of diaphragm type electric vacuum pump for automobile |
| CN107035670A (en) * | 2017-05-31 | 2017-08-11 | 瑞立集团瑞安汽车零部件有限公司 | A kind of Vehicular electric diaphragm vavuum pump |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140716 |