CN107575359A - Vehicle-use horizontal piston type two-stage air compressor - Google Patents
Vehicle-use horizontal piston type two-stage air compressor Download PDFInfo
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- CN107575359A CN107575359A CN201710852399.XA CN201710852399A CN107575359A CN 107575359 A CN107575359 A CN 107575359A CN 201710852399 A CN201710852399 A CN 201710852399A CN 107575359 A CN107575359 A CN 107575359A
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Abstract
The present invention relates to a kind of vehicle-use horizontal piston type two-stage air compressor, including horizontally disposed crankcase, piston cylinder is laid in side on crankcase；Crankcase afterbody is connected with rear end cap, and rear end cap afterbody is fixed with motor；Electric machine main shaft is connected by yielding coupling with two-throw crankshaft；High pressure cylinder piston rod part and low-pressure piston link assembly are connected on bent axle or so opposite crank；Low pressure (LP) cylinder breather pipe is disposed with the outside of cylinder cap；In cold escape pipe be connected with cylinder cap high-pressure area；Compressed air after cooling is entered in cylinder by the high pressure admission valve block on valve plate, and second-compressed is completed under the collective effect of high pressure cylinder piston and exhaust valve plate.Vehicle-use horizontal piston type two-stage air compressor of the present invention, the miniaturization two-stage piston type air compressor of automobile-used high voltage demands is disclosure satisfy that, operating pressure is up to more than 1.5Mpa, air cleaner, operate steadily, inflate efficiency high, small volume, it is in light weight, long lifespan, it is easily installed arrangement.
Description
Technical field
The present invention relates to a kind of automobile air compression device, is to be related to a kind of vehicle-use horizontal piston type two-stage specifically
Air compressor.
Background technology
Automobile air compressor is mainly used in automobile brake technology, suspension, car door opening is closed and auxiliary gas
Dynamic device provides necessary source of the gas.Air compressor for vehicle mainly has slide sheet type, screw, vortex, piston type pneumatic pressure at present
Contracting machine etc., universal operating pressure is too low, and conventional compressor is mostly to have oily air compressor machine, source of the gas oily sludge.
The content of the invention
For above-mentioned deficiency of the prior art, the present invention provides a kind of small-size light-weight that disclosure satisfy that automobile-used high voltage demands
Change two-stage piston type air compressor, operating pressure air cleaner, operates steadily up to more than 1.5Mpa, inflates efficiency high, body
Small, in light weight, the long lifespan of product, it is easily installed the vehicle-use horizontal piston type two-stage air compressor of arrangement.
The technical solution used in the present invention is：
A kind of vehicle-use horizontal piston type two-stage air compressor, including horizontally disposed crankcase, bent axle is provided with crankcase,
Also include low pressure (LP) cylinder piston rod part and high pressure cylinder piston rod part；High pressure is connected on bent axle or so opposite crank
Cylinder piston rod part and low-pressure piston link assembly；Low pressure (LP) cylinder piston rod part is arranged in low-pressure piston cylinder；High pressure cylinder
Piston rod part is arranged in high-pressure piston cylinder；High-pressure piston cylinder cavity passes through pipeline and cooling device and low-pressure piston cylinder chamber
Body phase connects.
Low-pressure piston cylinder cavity is vertically set；
High piston cylinder cavity is vertically set；
Low-pressure piston cylinder body upper outside is disposed with valve plate；
Cylinder cap is disposed with the outside of valve plate；
Low pressure (LP) cylinder breather pipe is connected by hollow bolt of ventilating with ventilation interface；
Two breather pipe other ends are connected to cold row by collar joint and ventilation straight joint；
Cold escape pipe in being provided with cold row；
In cold escape pipe by collar joint and ventilation straight joint be connected with cylinder cap high pressure admission mouth；
Cold end exhausting part lays cooling fan；
Air inlet end cap is disposed with front side of crankcase；
Inlet end outer side of lid is connected with suction elbow；
Filter core base is connected with the inside of end cap, a filter core is provided with filter core base, and by the straight mouth structure limitation of indent radially
Displacement, and compressed by boring spring force, limit its axial displacement；
Crankcase afterbody is connected with rear end cap, and rolling bearing is provided with the inside of rear end cap；
Rear end cap afterbody is fixed with motor；
Electric machine main shaft is connected by yielding coupling with two-throw crankshaft；
Electric machine main shaft drives two-throw crankshaft rotation；
High pressure cylinder piston rod part and low-pressure piston link assembly are connected on bent axle or so opposite crank；
Low pressure (LP) cylinder piston is provided with air-intake valve plate.
The diversion fan cooled down to cylinder head is provided with front side of the cold row.
The crankcase is placed on lower shoe, and crankcase arranged beneath has rubber damping pad, and outside is sound-absorbing dust cover,
Downside is protective baffle plate and installation bottom outlet.
Double-row angular contact bal bearing is provided with crankcase；
Bent axle is placed on crankcase by carrying with double-row angular contact bal bearing.
The low pressure (LP) cylinder piston rod part includes connecting rod：Needle bearing built in wrist-pin end of connecting rod, needle bearing both sides are provided with
Oil sealing, bearing built-in piston pin, piston both ends are cased with vibration damping collet, and are placed in by bolt on piston；Piston on the side face
Lay two guide rings and piston ring；Top land passes through bolt tightening air-intake valve plate.
The high pressure cylinder piston rod part includes：Connecting rod, needle bearing built in wrist-pin end of connecting rod, needle bearing both sides are provided with
Oil sealing, bearing built-in piston pin, piston both ends are cased with vibration damping collet, and are placed in by bolt on piston, piston on the side face
Lay two guide rings and piston ring.
The connecting rod axis of high pressure cylinder piston rod part is parallel to each other with the connecting rod axis of low pressure (LP) cylinder piston rod part.
High pressure cylinder piston rod part is arranged on the inside of low pressure (LP) cylinder piston rod part.
The compressed air after cooling in the cold row enters high-pressure area on the right side of cylinder cap by high pressure breather pipe.
Compressed air after cooling is entered in cylinder by the high pressure admission valve block on valve plate, and in high pressure cylinder piston and exhaust
Second-compressed is completed under the collective effect of valve block.
High pressure admission valve block is installed on below valve plate by bolt, is disposed with high pressure gas valve block above valve plate, on valve block
Side is exhaust stroke limit plate, and afterbody is spacing stud, and by bolt tightening on valve plate.
High pressure breather pipe is arranged on the bottom of low pressure (LP) cylinder breather pipe.
Electric machine main shaft is rotated by yielding coupling band dynamic crankshaft.Bent axle is provided with deep groove ball bearing, drives low pressure (LP) cylinder to live
Plug link assembly and high pressure cylinder piston rod part do reciprocating, and wherein low pressure (LP) cylinder piston is provided with air-intake valve plate, due to
The one-way guide flow effect of valve block so that natural air enters piston/cylinder after air filter filters, and piston/cylinder is externally provided with valve plate, valve
Exhaust valve plate on plate completes the gas compression of first-stage cylinder in the case where being acted on the one-way guide flow of low-pressure piston valve block.Subsequent low pressure
High-temperature gas enters cold row through low pressure escape pipe, enters high-pressure area on the right side of cylinder cap by tracheae after cooling, and gas passes through valve plate
On high pressure admission valve block enter in cylinder, and complete second-compressed under the collective effect of high pressure cylinder piston and exhaust valve plate.
One stage of compression gas after cooling enters from cylinder cap air inlet, promotes the high pressure admission valve block on valve plate to enter cylinder
It is interior, complete second-compressed under high pressure cylinder reciprocating motion of the pistons and the effect of exhaust valve plate one-way guide flow.
The beneficial effect of the present invention compared with the prior art：
Vehicle-use horizontal piston type two-stage air compressor of the present invention, it disclosure satisfy that the miniaturization two-stage of automobile-used high voltage demands is lived
Plug air compressor, operating pressure air cleaner, operate steadily up to more than 1.5Mpa, inflate efficiency high, small volume, weight
Amount is light, long lifespan, is easily installed arrangement.
Brief description of the drawings
Fig. 1 is the main structure diagram of vehicle-use horizontal piston type two-stage air compressor of the present invention；
Fig. 2 is Fig. 1 cross section structure diagram；
Fig. 3 is the low pressure (LP) cylinder piston rod part structural representation of vehicle-use horizontal piston type two-stage air compressor of the present invention；
Fig. 4 is the backsight structural representation of vehicle-use horizontal piston type two-stage air compressor of the present invention；
Fig. 5 is the cylinder head main structure diagram of vehicle-use horizontal piston type two-stage air compressor of the present invention；
Fig. 6 is the cylinder head side structure schematic view of vehicle-use horizontal piston type two-stage air compressor of the present invention；
Fig. 7 is the high pressure cylinder piston rod part structural representation of vehicle-use horizontal piston type two-stage air compressor of the present invention；
Fig. 8 is the dimensional structure diagram for removing shell and bottom plate of vehicle-use horizontal piston type two-stage air compressor of the present invention；
Fig. 9 is the airflow direction schematic diagram of vehicle-use horizontal piston type two-stage air compressor of the present invention.
Embodiment
Referring to the drawings and embodiment the present invention will be described in detail：
Knowable to accompanying drawing 1-9, a kind of vehicle-use horizontal piston type two-stage air compressor, including horizontally disposed crankcase 14, bent axle
Bent axle, in addition to low pressure (LP) cylinder piston rod part 6 and high pressure cylinder piston rod part 7 are provided with case；The opposed song of bent axle or so
High pressure cylinder piston rod part 7 and low-pressure piston link assembly 6 are connected on handle；Low pressure (LP) cylinder piston rod part 6 is set
In low-pressure piston cylinder 8；High pressure cylinder piston rod part 7 is arranged in high-pressure piston cylinder；High-pressure piston cylinder cavity passes through pipeline
And cooling device is connected with the cavity of low-pressure piston cylinder 8.
Low-pressure piston cylinder 8 is laid in side on crankcase；
Low-pressure piston cylinder cavity is vertically set；
High piston cylinder cavity is vertically set；
Low-pressure piston cylinder body upper outside is disposed with valve plate 5；
Cylinder cap 2 is disposed with the outside of valve plate；
Ventilation interface is arranged in cylinder cap both sides, and ventilation hollow bolt 60 is provided with interface of ventilating, and both sides are laid two and mutually put down
Row low pressure (LP) cylinder breather pipe 20；
Low pressure (LP) cylinder breather pipe 20 is connected by hollow bolt 60 of ventilating with ventilation interface；
Two breather pipe other ends are connected to cold row 21 by collar joint 57 and ventilation straight joint 56；
Cold escape pipe 18 in being provided with cold row；
In cold escape pipe 18 by collar joint 58 and ventilation straight joint 59 be connected with cylinder cap high pressure admission mouth；
Cold end exhausting part lays cooling fan 22；
The front side of crankcase 14 is disposed with air inlet end cap 10；
The outside of air inlet end cap 10 is connected with suction elbow 12；
Filter core base 13 is connected with the inside of end cap, a filter core 9 is provided with filter core base 13, and limit by the straight mouth structure of indent
Radial displacement, and by boring the elastic compression of spring 11, limit its axial displacement；
Crankcase afterbody is connected with rear end cap 28, and rolling bearing 26 is provided with the inside of rear end cap；
Rear end cap afterbody is fixed with motor 23；
Electric machine main shaft is connected by yielding coupling 27 with two-throw crankshaft 15；
Electric machine main shaft drives two-throw crankshaft 15 to rotate；
High pressure cylinder piston rod part 7 and low-pressure piston link assembly 6 are connected on bent axle or so opposite crank；
Low pressure (LP) cylinder piston is provided with air-intake valve plate 39.
The diversion fan 19 cooled down to cylinder head is provided with front side of the cold row.
The crankcase is placed on lower shoe 1, and crankcase arranged beneath has rubber damping pad 32, and outside is prevented for sound-absorbing
Dust hood 30, downside are protective baffle plate 33 and installation bottom outlet 34.
Double-row angular contact bal bearing 24 is provided with crankcase 14；
Bent axle is placed on crankcase 14 by carrying double-row angular contact bal bearing 24.
The low pressure (LP) cylinder piston rod part includes connecting rod：Needle bearing 42 built in wrist-pin end of connecting rod, needle bearing both sides are set
There are oil sealing 43, bearing built-in piston pin 44, piston both ends are cased with vibration damping collet 46, and are placed in by bolt 36 on piston
45；Lay two guide rings 37 and piston ring 38 in piston on the side face；Top land fastens air-intake valve plate 39 by bolt 41.
As shown in figure 3, the high pressure cylinder piston rod part includes connecting rod, needle bearing 50, needle roller built in wrist-pin end of connecting rod
Bearing both sides are provided with oil sealing 53, and bearing built-in piston pin 52, piston both ends are cased with vibration damping collet 51, and are laid by bolt 54
In on piston 49, two guide rings 47 and piston ring 48 are laid in piston on the side face.
The connecting rod axis of high pressure cylinder piston rod part is parallel to each other with the connecting rod axis of low pressure (LP) cylinder piston rod part.
High pressure cylinder piston rod part is arranged on the inside of low pressure (LP) cylinder piston rod part.
The compressed air after cooling in the cold row enters high-pressure area on the right side of cylinder cap by high pressure breather pipe 18.
Compressed air after cooling is entered in cylinder by the high pressure admission valve block 17 on valve plate, and in high pressure cylinder piston and row
Second-compressed is completed under the collective effect of air valve plate 16.
High pressure admission valve block 17 is installed on the lower section of valve plate 6 by bolt 64, and high pressure gas valve block 16 is disposed with above valve plate,
It is exhaust stroke limit plate 61 above valve block, afterbody is spacing stud 65, and is fastened at by bolt 62 on valve plate.
High pressure breather pipe is arranged on the bottom of low pressure (LP) cylinder breather pipe.
One stage of compression gas after cooling enters from the air inlet of cylinder cap 2, promotes the high pressure admission valve block 17 on valve plate 5 to enter
Enter in cylinder, second-compressed is completed in the case where high pressure cylinder piston 7 moves back and forth and the one-way guide flow of exhaust valve plate 16 acts on.
In Fig. 5, in cold air inlet 81, exhaust outlet 82.
As shown in Figure 1：The vehicle-use horizontal piston type two-stage air compressor course of work of the present invention is as follows：
The main shaft of motor 23 is rotated by yielding coupling 27 with dynamic crankshaft 15.Bent axle is provided with deep groove ball bearing 25, drives low pressure
Cylinder piston rod part 6 and high pressure cylinder piston rod part 7 do reciprocating, and wherein low pressure (LP) cylinder piston is provided with air-intake valve plate
39, because the one-way guide flow of valve block acts on so that natural air enters piston/cylinder 8, piston/cylinder peripheral hardware after the filtering of air filter 9
There is a valve plate 5, the exhaust valve plate 4 on valve plate completes the gas of first-stage cylinder in the case where being acted on the one-way guide flow of low-pressure piston valve block 39
Compression.Subsequent low-voltage high-temperature gas enters cold row 21 through low pressure escape pipe 20, enters height on the right side of cylinder cap by tracheae 18 after cooling
Intermediate pressure section, gas are entered in cylinder by high pressure admission valve block 17 on valve plate, and being total in high pressure cylinder piston and exhaust valve plate 16
Second-compressed is completed under same-action.
The above described is only a preferred embodiment of the present invention, not the structure of the present invention is made any formal
Limitation.Any simple modification, equivalent change and modification that every technical spirit according to the present invention is made to above example,
Belong in the range of technical scheme.
Claims (10)
1. a kind of vehicle-use horizontal piston type two-stage air compressor, including horizontally disposed crankcase (14), crankcase (14) is interior
It is provided with bent axle, it is characterised in that also including low pressure (LP) cylinder piston rod part（6）With high pressure cylinder piston rod part（7）；Bent axle
High pressure cylinder piston rod part is connected on the opposite crank of left and right（7）With low-pressure piston link assembly（6）；Low pressure (LP) cylinder piston
Link assembly（6）It is arranged on low-pressure piston cylinder（8）It is interior；High pressure cylinder piston rod part（7）It is arranged in high-pressure piston cylinder；High pressure
Piston cylinder cavity passes through pipeline and cooling device and low-pressure piston cylinder（8）Cavity is connected.
2. vehicle-use horizontal piston type two-stage air compressor according to claim 1, it is characterised in that：Low-pressure piston cylinder cavity
Vertically set；
High piston cylinder cavity is vertically set；
Low-pressure piston cylinder body upper outside is disposed with valve plate (5)；
Cylinder cap (2) is disposed with the outside of valve plate；
Low pressure (LP) cylinder breather pipe (20) passes through hollow bolt of ventilating（60）It is connected with ventilation interface；
Two breather pipe other ends pass through collar joint（57）With ventilation straight joint（56）It is connected to cold row (21)；
Cold escape pipe (18) in being provided with cold row；
In cold escape pipe (18) pass through collar joint（58）And ventilation straight joint（59）It is connected with cylinder cap high pressure admission mouth；
Cold end exhausting part lays cooling fan (22)；
Air inlet end cap (10) is disposed with front side of crankcase (14)；
Suction elbow (12) is connected with the outside of air inlet end cap (10)；
Filter core base (13) is connected with the inside of end cap, is provided with a filter core (9) in filter core base (13), and pass through the straight mouth knot of indent
Structure limits radial displacement, and by boring spring (11) elastic compression, limits its axial displacement；
Crankcase afterbody is connected with rear end cap (28), and rolling bearing (26) is provided with the inside of rear end cap；
Rear end cap afterbody is fixed with motor (23)；
Electric machine main shaft is connected by yielding coupling (27) with two-throw crankshaft (15)；
Electric machine main shaft drives two-throw crankshaft (15) rotation；
Low pressure (LP) cylinder piston is provided with air-intake valve plate (39).
3. vehicle-use horizontal piston type two-stage air compressor according to claim 2, it is characterised in that：Set on front side of the cold row
It is equipped with the diversion fan (19) cooled down to cylinder head.
4. vehicle-use horizontal piston type two-stage air compressor according to claim 3, it is characterised in that：The crankcase is laid
In on lower shoe (1), crankcase arranged beneath has rubber damping pad (32), and outside is sound-absorbing dust cover (30), and downside is anti-
Guard (33) and installation bottom outlet (34).
5. vehicle-use horizontal piston type two-stage air compressor according to claim 4, it is characterised in that：Crankcase is set on (14)
It is equipped with double-row angular contact bal bearing (24)；
Bent axle is placed on crankcase (14) by carrying with double-row angular contact bal bearing (24).
6. vehicle-use horizontal piston type two-stage air compressor according to claim 5, it is characterised in that：The low pressure (LP) cylinder piston
Link assembly includes connecting rod, needle bearing (42) built in wrist-pin end of connecting rod, and needle bearing both sides are provided with oil sealing (43), are lived built in bearing
Plug pin (44), piston both ends are cased with vibration damping collet (46), and are placed in by bolt (36) on piston (45)；Piston on the side face
Lay two guide rings (37) and piston ring (38)；Top land fastens air-intake valve plate (39) by bolt (41).
7. vehicle-use horizontal piston type two-stage air compressor according to claim 6, it is characterised in that：The high pressure cylinder piston
Link assembly includes：Connecting rod, needle bearing built in wrist-pin end of connecting rod（50）, needle bearing both sides are provided with oil sealing（53）, built in bearing
Piston pin（52）, piston both ends are cased with vibration damping collet（51）, and pass through bolt（54）It is placed in piston（49）On, piston on the side
Lay two guide rings in face（47）And piston ring（48）.
8. vehicle-use horizontal piston type two-stage air compressor according to claim 7, it is characterised in that：High pressure cylinder piston rod
The connecting rod axis of component is parallel to each other with the connecting rod axis of low pressure (LP) cylinder piston rod part.
9. vehicle-use horizontal piston type two-stage air compressor according to claim 8, it is characterised in that：High pressure cylinder piston rod
Component is arranged on the inside of low pressure (LP) cylinder piston rod part.
A kind of 10. air compression of the vehicle-use horizontal piston type two-stage air compressor described in claim 1 to 13 any one
Method, it is characterised in that motor（23）Main shaft passes through yielding coupling（27）Band dynamic crankshaft（15）Rotation；Bent axle is provided with zanjon
Ball bearing（25）, drive low pressure (LP) cylinder piston rod part（6）With high pressure cylinder piston rod part（7）Reciprocating is done, wherein
Low pressure (LP) cylinder piston is provided with air-intake valve plate（39）, because the one-way guide flow of valve block acts on so that natural air is through air filter（9）Filtering
Enter piston/cylinder afterwards（8）, piston/cylinder is externally provided with valve plate（5）, the exhaust valve plate on valve plate（4）With low-pressure piston valve block
（39）One-way guide flow effect under, complete the gas compression of first-stage cylinder；Subsequent low-voltage high-temperature gas is through low pressure escape pipe（20）Enter
Enter cold row（21）, pass through tracheae after cooling（18）High-pressure area on the right side of into cylinder cap, gas pass through the high pressure admission valve on valve plate
Piece（17）Into in cylinder, and in high pressure cylinder piston and exhaust valve plate（16）Collective effect under complete second-compressed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710852399.XA CN107575359A (en) | 2017-09-19 | 2017-09-19 | Vehicle-use horizontal piston type two-stage air compressor |
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| CN201710852399.XA CN107575359A (en) | 2017-09-19 | 2017-09-19 | Vehicle-use horizontal piston type two-stage air compressor |
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