CN209164024U - A kind of piston swinging type electric vacuum pump - Google Patents
A kind of piston swinging type electric vacuum pump Download PDFInfo
- Publication number
- CN209164024U CN209164024U CN201822020584.5U CN201822020584U CN209164024U CN 209164024 U CN209164024 U CN 209164024U CN 201822020584 U CN201822020584 U CN 201822020584U CN 209164024 U CN209164024 U CN 209164024U
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- CN
- China
- Prior art keywords
- piston
- pump housing
- type electric
- crankshaft
- electric vacuum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The utility model discloses a kind of piston swinging type electric vacuum pumps, comprising: the pump housing, connecting rod, motor, crankshaft and piston, the motor is arranged on the pump housing, the crankshaft being arranged in the shaft of the motor and the pump housing is connected, the circular cylinder of crankshaft is directed toward there are four being circumferentially arranged in the pump housing, the piston is separately positioned in circular cylinder, and the connecting rod is separately positioned between piston and crankshaft, and the bearing in connecting rod is provided on the crankshaft.Piston swinging type electric vacuum pump described in the utility model, four pistons are provided with especially in the pump housing, it is evacuated under the action of crankshaft, the speed of exhaust is improved, and four piston right-angled intersection arrangements are on two planar, two one group is coaxially distributed, dynamic balancing effect is good, it ensures the densification of volume, saves installation space, may be mounted in compact enging cabin.
Description
Technical field
The utility model relates to electric vacuum pump field more particularly to a kind of piston swinging type electric vacuum pumps.
Background technique
Electric vehicle is just being increasingly subject to the universal of countries in the world as a kind of energy conservation, free of contamination ideal " zero-emission " vehicle
Concern and attention.Electric vehicle mostly uses vacuum servo servo brake system, manpower and power and with being braked.
Currently, low-speed electronic vehicle mostly uses Double-cylinder piston type electric vacuum pump, since number of cylinders is few, lead to vacuum pump
The speed of exhaust is very low, and the vacuum pump of such configuration is only capable of using for 6 inches of vacuum brake boosters below.And high speed electric vehicle
Brake control power must be improved with city logistics vehicle, also just needs to configure larger-diameter brake booster, while just needing to take out
The high electric vacuum pump of gas velocity rate.In order to improve the speed of exhaust, occurs so-called " four cylinder vacuum pumps " in the market, only use
One plus powerful motor, install a two traditional cylinder pump bodies in two shaft ends of stretching respectively, although improving rate,
But volume is increased simultaneously, can not be mounted in the compact passenger car of enging cabin, need to improve.
Utility model content
The purpose of this utility model is to provide a kind of piston swinging type electric vacuum pumps, promote the speed of exhaust, it is ensured that knot
Structure it is compact.
For this purpose, the utility model uses following technical scheme:
A kind of piston swinging type electric vacuum pump, comprising: the pump housing, connecting rod, motor, crankshaft and piston, the motor setting
On the pump housing, the crankshaft being arranged in the shaft and the pump housing of the motor is connected, and circumferentially there are four be directed toward for setting in the pump housing
The circular cylinder of crankshaft, the piston are separately positioned in circular cylinder, and the connecting rod is separately positioned between piston and crankshaft, described
The bearing in connecting rod is provided on crankshaft.
Wherein, the circular cylinder right-angled intersection arrangement.
Wherein, on two planar, each plane respectively has a pair of of circular cylinder coaxially opposed for the circular cylinder distribution.
Wherein, the inner cavity of the circular cylinder is furnished with intake valve and cylinder barrel, and the piston is located in cylinder barrel, the intake valve position
Variable volume cavity is formed between the outer end of cylinder barrel, the piston and intake valve, piston waves under connecting rod and crankshaft effect
It is flexible, to change volume and the air pressure of variable volume cavity.
Wherein, the piston is sphere piston.
Wherein, the sealing cover positioned at circular cylinder outer end, shape between the sealing cover and intake valve are provided on the pump housing
At air inlet cavity, the gas-tpe fitting mounting hole being connected to air inlet cavity, the gas-tpe fitting mounting hole are provided on the pump housing
On be provided with gas-tpe fitting.
Wherein, exhaust valve is provided on the piston, the exhaust valve is check valve, when the air pressure of variable volume cavity is big
When pump body air pressure, exhaust valve is opened, so that the intracorporal gas of variable volume chamber is discharged into the pump housing, when variable volume cavity
When air pressure is less than pump body air pressure, exhaust valve closure.
Wherein, the intake valve is check valve, when the air pressure of variable volume cavity is greater than the air pressure of air inlet cavity, air inlet
Valve is closed, and when the air pressure of variable volume cavity is less than the air pressure of air inlet cavity, intake valve is opened, so that the intracorporal gas of inlet chamber
Body enters variable volume cavity.
Wherein, muffler is provided on the pump housing.
The utility model has the beneficial effects that a kind of piston swinging type electric vacuum pump, is provided with four especially in the pump housing
Piston is evacuated under the action of crankshaft, improves the speed of exhaust, and four piston right-angled intersections are arranged in two planes
On, two one group is coaxially distributed, and dynamic balancing effect is good, it is ensured that the densification of volume saves installation space, may be mounted at tight
In the enging cabin to gather.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
The technical solution of the utility model is further illustrated below with reference to Fig. 1 and by specific embodiment.
A kind of piston swinging type electric vacuum pump, comprising: the pump housing 2, connecting rod, motor 1, crankshaft 21 and piston 3, the motor
1 is arranged on the pump housing 2, and the crankshaft 21 being arranged in the shaft and the pump housing 2 of the motor 1 is connected, and is circumferentially arranged in the pump housing 2
There are four the circular cylinder for being directed toward crankshaft 21, the piston 3 is separately positioned in circular cylinder, and the connecting rod is separately positioned on piston 3
Between crankshaft 21, the rotation of crankshaft 21 is driven using motor 1, drives the movement of four pistons 3, greatly improve pumping speed
Rate.
It is provided with the bearing in connecting rod on the crankshaft 21, reduces the wear problem of connecting rod, it is curved using four complementations
Bent connecting rod pushes piston 3, it is ensured that the compactedness of structure.
The circular cylinder right-angled intersection arrangement, on two planar, each plane respectively has a pair of of circle for the circular cylinder distribution
Shape cylinder is coaxially opposed, and dynamic balancing effect is good, it is ensured that the densification of 2 volume of the pump housing saves installation space.
The inner cavity of the circular cylinder is furnished with intake valve 5 and cylinder barrel 13, and the piston 3 is located in cylinder barrel 13, and cylinder barrel 13 can be with
Disassembly reduces maintenance cost.The intake valve 5 is located at the outer end of cylinder barrel 13, forms volume between the piston 3 and intake valve 5
Variable cavity 7, piston 3 connecting rod and crankshaft effect under wave it is flexible, to change volume and the air pressure of variable volume cavity 7.
The piston 3 is sphere piston, adapts to connecting rod flexible waving under crankshaft effect.
The sealing cover positioned at circular cylinder outer end is provided on the pump housing 2, air-tightness is good.The sealing cover and intake valve 5
Between form air inlet cavity, be provided with the gas-tpe fitting mounting hole being connected to air inlet cavity, the gas-tpe fitting on the pump housing 2
Gas-tpe fitting 6 is provided on mounting hole, gas-tpe fitting 6 passes through the working chamber of the external brake booster of tracheae, is evacuated.
Exhaust valve is provided on the piston 3, the exhaust valve is check valve, when the air pressure of variable volume cavity is greater than pump
When body air pressure inside, exhaust valve is opened, so that the gas in variable volume cavity 7 is discharged into the pump housing 2, finally by setting on the pump housing 2
The muffler 4 set is discharged, and muting function is good, when the air pressure of variable volume cavity 7 is less than 2 air pressure inside of the pump housing, exhaust valve close
It closes.
The intake valve 5 is check valve, when the air pressure of variable volume cavity 7 is greater than the air pressure of air inlet cavity, intake valve
It closes, when the air pressure of variable volume cavity 7 is less than the air pressure of air inlet cavity, intake valve is opened, so that the intracorporal gas of inlet chamber
Body enters variable volume cavity 7, realizes the pumping to brake booster working chamber.
The above content is only the preferred embodiment of the utility model, for those of ordinary skill in the art, according to this reality
With novel thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as
Limitations of the present invention.
Claims (9)
1. a kind of piston swinging type electric vacuum pump characterized by comprising the pump housing, connecting rod, motor, crankshaft and piston, it is described
Motor is arranged on the pump housing, and the crankshaft being arranged in the shaft and the pump housing of the motor is connected, and is circumferentially provided in the pump housing
The circular cylinder of four direction crankshafts, the piston are separately positioned in circular cylinder, and the connecting rod is separately positioned on piston and crankshaft
Between, the bearing in connecting rod is provided on the crankshaft.
2. piston swinging type electric vacuum pump according to claim 1, which is characterized in that the circular cylinder right-angled intersection cloth
It sets.
3. piston swinging type electric vacuum pump according to claim 2, which is characterized in that the circular cylinder is distributed in two
In plane, each plane respectively has a pair of of circular cylinder coaxially opposed.
4. piston swinging type electric vacuum pump according to claim 1, which is characterized in that be furnished with the inner cavity of the circular cylinder
Intake valve and cylinder barrel, the piston are located in cylinder barrel, and the intake valve is located at the outer end of cylinder barrel, between the piston and intake valve
Formed variable volume cavity, piston connecting rod and crankshaft effect under wave it is flexible, thus change variable volume cavity volume and
Air pressure.
5. piston swinging type electric vacuum pump according to claim 1, which is characterized in that the piston is sphere piston.
6. piston swinging type electric vacuum pump according to claim 4, which is characterized in that be provided with and be located on the pump housing
The sealing cover of circular cylinder outer end, forms air inlet cavity between the sealing cover and intake valve, be provided on the pump housing and air inlet
The gas-tpe fitting mounting hole of cavity connection, is provided with gas-tpe fitting on the gas-tpe fitting mounting hole.
7. piston swinging type electric vacuum pump according to claim 4, which is characterized in that be provided with exhaust on the piston
Valve, the exhaust valve are check valve, and when the air pressure of variable volume cavity is greater than pump body air pressure, exhaust valve is opened, so that
The intracorporal gas of variable volume chamber is discharged into the pump housing, when the air pressure of variable volume cavity is less than pump body air pressure, exhaust valve close
It closes.
8. piston swinging type electric vacuum pump according to claim 6, which is characterized in that the intake valve is check valve,
When the air pressure of variable volume cavity is greater than the air pressure of air inlet cavity, intake valve is closed, when the air pressure of variable volume cavity is less than
When the air pressure of air inlet cavity, intake valve is opened, so that the intracorporal gas of inlet chamber enters variable volume cavity.
9. piston swinging type electric vacuum pump according to claim 1, which is characterized in that be provided with noise reduction on the pump housing
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822020584.5U CN209164024U (en) | 2018-12-04 | 2018-12-04 | A kind of piston swinging type electric vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822020584.5U CN209164024U (en) | 2018-12-04 | 2018-12-04 | A kind of piston swinging type electric vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209164024U true CN209164024U (en) | 2019-07-26 |
Family
ID=67341967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822020584.5U Expired - Fee Related CN209164024U (en) | 2018-12-04 | 2018-12-04 | A kind of piston swinging type electric vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209164024U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112160889A (en) * | 2020-09-25 | 2021-01-01 | 成都成研创科科技有限公司 | Vacuum air exhaust device for large-sized doll in e-commerce |
-
2018
- 2018-12-04 CN CN201822020584.5U patent/CN209164024U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112160889A (en) * | 2020-09-25 | 2021-01-01 | 成都成研创科科技有限公司 | Vacuum air exhaust device for large-sized doll in e-commerce |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190726 Termination date: 20211204 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |