CN206280210U - A kind of piston type electric vavuum pump of buffering exhaust - Google Patents
A kind of piston type electric vavuum pump of buffering exhaust Download PDFInfo
- Publication number
- CN206280210U CN206280210U CN201621170056.2U CN201621170056U CN206280210U CN 206280210 U CN206280210 U CN 206280210U CN 201621170056 U CN201621170056 U CN 201621170056U CN 206280210 U CN206280210 U CN 206280210U
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- chamber
- piston
- cylinder barrel
- pump
- crankshaft room
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Abstract
The utility model is related to a kind of piston type electric vavuum pump of buffering exhaust, including direct current generator and piston pump, crankshaft room is provided with described piston pump, in the both sides of crankshaft room, cylinder barrel is set, bent axle and connecting rod are provided with crankshaft room, piston is provided with cylinder barrel, two are provided with the outside of cylinder barrel while the first chamber and second chamber that are communicated with cylinder barrel, described first chamber is connected with vacuum tube joint, described second chamber is communicated by air flue with crankshaft room, described crankshaft room communicates with muffler, the axle of described direct current generator is connected with bent axle, described bent axle is connected by connecting rod with piston.Compared with prior art, the utility model vehicle power provides power, and the motor belt motor dynamic crankshaft on the propulsion pump housing makes reciprocating motion of the pistons so as to produce vacuum.For the hydraulic brake system of the various vehicles such as electric automobile, hybrid power, electric space vehicle provides unique reliable vacuum source, so as to be effectively improved the braking ability of vehicle.
Description
Technical field
The utility model is related to a kind of electric vacuum pump, more particularly, to a kind of piston type electric vacuum of buffering exhaust
Pump.
Background technology
Electric automobile is just being increasingly subject to the general of countries in the world as a kind of energy-conservation, free of contamination ideal " zero-emission " vehicle
All over concern and attention.Use vacuum servo servo brake system more most of car, be used in combination manpower and power.Traditional vapour
The brakes of oil machine kart, the vacuum source of vacuum booster unit comes from motor intake manifold, for by traditional vehicle
Pure electric vehicle or fuel cell car that type is repacked into, after engine assembly is removed, brakes is due to no vacuum power
Source and lose vacuum servo function, the need for the brake force only as produced by manpower cannot meet service brake, thus as why not
The original brakes (including vacuum booster) of change automobile can meet the vacuum of brakes again the need forJust need
An engine for disengaging automobile is wanted, and the vacuum source of enough pressure can be produced.
In speed of exhaust index in vavuum pump, newly propose and start time response and recovery time characteristic two is new
Index, to adapt to automobile product the need for.In Motor Vehicle Braking Procedure, the concept of time is very important.The startup time is special
Property refers on the premise of certain volume, the vacuum in volume is pressed onto as normal atmosphere used by the lower limit vacuum of setting
Time.Recovery time characteristic be instigate the vacuum in volume as used by the higher limit to lower limit vacuum for setting when
Between, in automobile brake, the vacuum in vacuum booster can be influenceed and dramatic decrease by severity of braking.If dropped to
When more than working range permissible value, will feel that pedal hair is heavy, be also at this moment a kind of infringement to vacuum booster, while
Reduce safety factor of travel.It is therefore desirable to the vacuum during vavuum pump can make booster within the time short to the greatest extent is returned to just
It is straight to cause lower limit vacuum in normal working range permissible value, here it is the requirement of recovery time characteristic.
Using double-piston without the double noise reduction exhausts of buffering more than current low-speed electronic car, in order to solve exhaust noise, silencing cotton
Density add it is very big.Exhaust is obstructed, and is caused the speed of exhaust of vavuum pump and is reduced, and the electric current of motor is larger, and energy cannot fill
The utilization for dividing.The throughput of two mufflers on other same pump is difficult to accomplish unanimously, to cause to be shaken during vacuum pump work,
Resonance can be produced when strong, driver is very uncomfortable.
Utility model content
The purpose of this utility model is exactly to provide a kind of buffering exhaust for the defect for overcoming above-mentioned prior art to exist
Piston type electric vavuum pump, the piston type electric vavuum pump of the buffering exhaust provides power, advances the pump housing using vehicle power
On motor belt motor dynamic crankshaft make reciprocating motion of the pistons so as to produce vacuum.For electric automobile, hybrid power, electric space vehicle etc. are each
The hydraulic brake system for planting vehicle provides unique reliable vacuum source, so as to be effectively improved the braking ability of vehicle.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of piston type electric vavuum pump of buffering exhaust, including direct current generator and piston pump, set in described piston pump
There is crankshaft room, cylinder barrel is set in the both sides of crankshaft room, bent axle and connecting rod are provided with crankshaft room, piston is provided with cylinder barrel,
Two first chambers and second chamber for being communicated with cylinder barrel simultaneously are provided with the outside of cylinder barrel, described first chamber connects with vacuum tube
Head connection, described second chamber is communicated by air flue with crankshaft room, and described crankshaft room communicates with muffler, described direct current
The axle of motor is connected with bent axle, and described bent axle is connected by connecting rod with piston.
Described first chamber sets check valve sheet with cylinder barrel junction, and described second chamber is set with cylinder barrel junction
Check valve sheet, wherein connection first chamber is to flow to cylinder barrel by first chamber with the gas flow of the check valve sheet of cylinder barrel, connection
Second chamber is to flow to second chamber by cylinder barrel with the gas flow of the check valve sheet of cylinder barrel.
Interval is not communicated between described first chamber and second chamber.
Described muffler be arranged on piston pump the pump housing on, its entrance be located at crankshaft room in, outlet directly with big gas phase
It is logical.
Silencing cotton is provided with described muffler, the silencing cotton is located on the gas passage that gas passes through muffler.
The check valve sheet of waterproof action is provided with described muffler, the check valve sheet is located at gas by muffler
On gas passage.
The electric motor end cap of described direct current generator is exactly the bottom of piston pump, and described direct current generator shares one with piston pump
Individual motor bearings, electric motor end cap is positioned with the housing of piston pump with seam.
When direct current generator works, power is transmitted to bent axle by the axle of direct current generator, and due to the effect of bent axle, through connecting rod drives
Piston produced in cylinder barrel it is extended and retracted, and from first chamber suction gas produce vacuum, from second chamber discharge gas to
Crankshaft room, and discharged from muffler.
The power of piston type electric vavuum pump is that, by a DC motor Driver, the energy of direct current generator can come from automobile
Storage battery.As long as automobile can start, direct current generator can just work.The output end direct drive piston pump of direct current generator, subtracts
Small volume, rotational noise is smaller.Piston pump case uses precision injection molding, and overall compact is lightweight.
Traditional exhaust is exhausted directly in air by the muffler of small volume, and the row of the utility model vavuum pump
Gas mode is that the gas that two cylinder barrels will be discharged rapidly respectively, without hindrance is discharged in the crankshaft room of a constant volume, the bullet of air
Property characteristic, buffered in crankshaft room, then entered in air by the muffler that has certain volume.
Compared with prior art, the utility model has advantages below and beneficial effect：
1st, the vacuum of vacuum booster is can ensure that, the braking ability of automobile is met；No matter achievable automobile uses
Any power source, can all provide reliable vacuum source, make vacuum booster constantly in running order.
2nd, using the piston structure that the noise reduction of buffered rear list is discharged is vented, make the operating current of vavuum pump relatively reduced, energy
It is limited pure electric vehicle type Energy Consumption In A Typical.
3rd, using large volume single-filter, the exhaust of two cylinders is balanced, more steady during vacuum pump work.What is be vented is smooth, carries
The speed of exhaust high, makes brakes safety and reliability.
Brief description of the drawings
Fig. 1 is the piston type electric vavuum pump overall appearance structure chart of buffering exhaust；
Fig. 2 is the piston type electric vacuum pump structure schematic diagram of buffering exhaust；
Fig. 3 is the internal structure schematic diagram of muffler.
Label in figure：1 is direct current generator, and 2 is piston pump, and 3 is vacuum tube joint, and 4 is muffler, and 5 is bent axle, and 6 is work
Plug, 7 is air flue, and 8 is cylinder barrel, and 9 is connecting rod, and 10 is check valve sheet, and 11 is silencing cotton, and 12 is crankshaft room, and 13 is first chamber, 14
It is second chamber.
Specific embodiment
The utility model is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment
A kind of piston type electric vavuum pump of buffering exhaust, as shown in Figure 1 and Figure 2, including direct current generator 1 and piston pump 2,
Crankshaft room 12 is provided with piston pump 2, cylinder barrel 8 is set in the both sides of crankshaft room 12, bent axle 5 and connecting rod 9 are provided with crankshaft room 12,
Piston 6 is provided with cylinder barrel 8, two are provided with while the first chamber 13 and second chamber that are communicated with cylinder barrel 8 in the outside of cylinder barrel 8
14, first chamber 13 is connected with vacuum tube joint 3, and second chamber 14 is communicated by air flue 7 with crankshaft room 12, crankshaft room 12 with disappear
Sound device 4 is communicated, and the axle of direct current generator 1 is connected with bent axle 5, and bent axle 5 is connected by connecting rod 9 with piston 6.First chamber 13 and cylinder barrel
8 junctions set check valve sheet 10, and second chamber 14 sets check valve sheet 10 with the junction of cylinder barrel 8, wherein connecting first chamber
13 is to flow to cylinder barrel 8, connection second chamber 14 and cylinder barrel 8 by first chamber 13 with the gas flow of the check valve sheet 10 of cylinder barrel 8
The gas flow of check valve sheet 10 be that second chamber 14 is flowed to by cylinder barrel 8.It is spaced between first chamber 13 and second chamber 14
It is not communicated with.Muffler 4 is arranged on the pump housing of piston pump 2, and its entrance is located in crankshaft room 12, and outlet is directly communicated with air.
The electric motor end cap of direct current generator 1 is exactly the bottom of piston pump 2, and direct current generator 1 shares a motor bearings, motor with piston pump 2
End cap is positioned with the housing of piston pump 2 with seam.
As shown in figure 3, being provided with silencing cotton 11 in muffler 4, the silencing cotton 11 is located at gas and is led to by the gas of muffler 4
On road.The check valve sheet 10 of waterproof action is provided with muffler 4, the check valve sheet 10 is located at gas of the gas by muffler 4
On body passage.
When direct current generator 1 works, power is transmitted to bent axle 5 by the axle of direct current generator 1, due to the effect of bent axle 5, through connecting rod
The generation in cylinder barrel 8 of 9 band pistons 6 is extended and retracted, and produces vacuum from the suction gas of first chamber 13, from second chamber 14
Discharge gas is discharged to crankshaft room 12 from muffler 4.
The power of piston type electric vavuum pump is driven by a direct current generator 1, and the energy of direct current generator 1 can come from vapour
The storage battery of car.As long as automobile can start, direct current generator 1 can just work.The output end direct drive piston pump of direct current generator 1
2, volume is reduced, rotational noise is smaller.The housing of piston pump 2 uses precision injection molding, and overall compact is lightweight.
The above-mentioned description to embodiment is to be understood that and use practicality for ease of those skilled in the art
It is new.Person skilled in the art obviously can easily make various modifications to these embodiments, and illustrating herein
General Principle be applied in other embodiment without by performing creative labour.Therefore, the utility model is not limited to above-mentioned
Embodiment, those skilled in the art according to announcement of the present utility model, do not depart from improvement that the utility model category made and
Modification all should be within protection domain of the present utility model.
Claims (8)
1. the piston type electric vavuum pump of a kind of buffering exhaust, it is characterised in that including direct current generator (1) and piston pump (2), institute
Crankshaft room (12) is provided with the piston pump (2) stated, cylinder barrel (8) is set in the both sides of crankshaft room (12), set in crankshaft room (12)
There are bent axle (5) and connecting rod (9), piston (6) is provided with cylinder barrel (8), two are provided with the outside of cylinder barrel (8) simultaneously and cylinder barrel
(8) first chamber (13) for communicating and second chamber (14), described first chamber (13) are connected with vacuum tube joint (3), institute
The second chamber (14) stated is communicated by air flue (7) with crankshaft room (12), and described crankshaft room (12) communicates with muffler (4),
The axle of described direct current generator (1) is connected with bent axle (5), and described bent axle (5) is connected by connecting rod (9) with piston (6).
2. a kind of piston type electric vavuum pump of buffering exhaust according to claim 1, it is characterised in that described first
Chamber (13) sets check valve sheet (10) with cylinder barrel (8) junction, and described second chamber (14) is set with cylinder barrel (8) junction
Check valve sheet (10), wherein connection first chamber (13) is by the first chamber with the gas flow of the check valve sheet (10) of cylinder barrel (8)
Room (13) flows to cylinder barrel (8), and connection second chamber (14) is by cylinder barrel with the gas flow of the check valve sheet (10) of cylinder barrel (8)
(8) second chamber (14) is flowed to.
3. a kind of piston type electric vavuum pump of buffering exhaust according to claim 1, it is characterised in that described first
It is spaced between chamber (13) and second chamber (14) and is not communicated with.
4. a kind of piston type electric vavuum pump of buffering exhaust according to claim 1, it is characterised in that described noise reduction
On the pump housing of piston pump (2), its entrance is located in crankshaft room (12) device (4), and outlet is directly communicated with air.
5. a kind of piston type electric vavuum pump of buffering exhaust according to claim 1, it is characterised in that described noise reduction
Silencing cotton (11) is provided with device (4), the silencing cotton (11) is on the gas passage that gas passes through muffler (4).
6. a kind of piston type electric vavuum pump of buffering exhaust according to claim 1, it is characterised in that described noise reduction
The check valve sheet (10) of waterproof action, the gas that the check valve sheet (10) passes through muffler (4) positioned at gas have been provided with device (4)
On passage.
7. a kind of piston type electric vavuum pump of buffering exhaust according to claim 1, it is characterised in that described direct current
The electric motor end cap of motor (1) is exactly the bottom of piston pump (2), and described direct current generator (1) shares a motor with piston pump (2)
Bearing, electric motor end cap is positioned with the housing of piston pump (2) with seam.
8. the piston type electric vavuum pump of a kind of buffering exhaust according to claim 1, it is characterised in that work as direct current generator
(1) when working, direct current generator (1) is produced in cylinder barrel (8) with connecting rod (9) band piston (6) by bent axle (5) and stretches out and contract
Enter, and vacuum is produced from first chamber (13) suction gas, gas is discharged to crankshaft room (12) from second chamber (14), and from disappearing
Sound device (4) is discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621170056.2U CN206280210U (en) | 2016-10-26 | 2016-10-26 | A kind of piston type electric vavuum pump of buffering exhaust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621170056.2U CN206280210U (en) | 2016-10-26 | 2016-10-26 | A kind of piston type electric vavuum pump of buffering exhaust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206280210U true CN206280210U (en) | 2017-06-27 |
Family
ID=59082118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621170056.2U Expired - Fee Related CN206280210U (en) | 2016-10-26 | 2016-10-26 | A kind of piston type electric vavuum pump of buffering exhaust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206280210U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108344065A (en) * | 2018-02-02 | 2018-07-31 | 江苏昊泰气体设备科技有限公司 | Oxygen enriching purifier and its vibration and noise reducing method a kind of easy to carry and mobile |
| WO2020253070A1 (en) * | 2019-06-18 | 2020-12-24 | 苏州思维医疗科技有限公司 | Pressure vacuum control pump |
-
2016
- 2016-10-26 CN CN201621170056.2U patent/CN206280210U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108344065A (en) * | 2018-02-02 | 2018-07-31 | 江苏昊泰气体设备科技有限公司 | Oxygen enriching purifier and its vibration and noise reducing method a kind of easy to carry and mobile |
| WO2020253070A1 (en) * | 2019-06-18 | 2020-12-24 | 苏州思维医疗科技有限公司 | Pressure vacuum control pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170905 Address after: 215500 + New District of Jiangsu Province Economic and Technological Development Zone Changshu Vanward Road No. 39, building 7, 6 Patentee after: New energy technology (Suzhou) Co., Ltd. Address before: 201611 Shanghai Songjiang District Chedun Town Road No. 80 6 min Xiang building 2 floor Patentee before: New energy technology (Shanghai) Co., Ltd. |
|
| 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: 20170627 Termination date: 20201026 |