CN207750190U - Ventilated electric engine-driven air compressor - Google Patents
Ventilated electric engine-driven air compressor Download PDFInfo
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- CN207750190U CN207750190U CN201820036150.1U CN201820036150U CN207750190U CN 207750190 U CN207750190 U CN 207750190U CN 201820036150 U CN201820036150 U CN 201820036150U CN 207750190 U CN207750190 U CN 207750190U
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Abstract
The utility model discloses a kind of Ventilated electric engine-driven air compressors, including at least crankcase, bent axle and driving motor, be equipped with that two rows of quantity are equal and one-to-one piston cylinder on the crankcase, two rows of V-shaped distributions of piston cylinder, often row include at least two piston cylinders；The bent axle is located in the crankcase and both ends of bent axle and the both sides rotary moveable of crankcase connects, and the bent axle is equipped with the connecting rod construction section equal with every row's piston cylinder quantity.The rational bent axle of multiple casing respective outer side edges of above-mentioned V-shaped arrangement, connecting rod layout, not only realize the demand for promoting electric air compressor capacity, and complete machine operation is more stable, noise, vibrations smaller, four cylinder structure piston strokes of V-shaped arrangement are short, piston cylinder cylinder diameter is small, saved occupied space, more compact structure, air inlet-outlet pipe Louis is laid out, and has saved cost, appearance is more beautiful.
Description
Technical field
The utility model is related to a kind of Ventilated electric engine-driven air compressors.
Background technology
Electric air compressor belongs to the air source of New-energy electric vehicle braking, mainly uses two (double) cylinders natural air cooled
But, air blast cooling is cooling or coolant liquid cools down.Natural air cooled structure cooling is to be formed by natural wind by vehicle traveling to cool down；
Air blast cooling mechanism is that cooling fan is increased between air compressor and driving motor；Coolant liquid cooling structure is in air
Coolant liquid transfer pipeline, cooling radiator, complicated, too fat to move, cooling system difficult arrangement, connection are increased on compressor
It is in disorder, and there are the failures such as leakage coolant liquid in coolant pipe connector, radiator.With large-scale loading, carrying electric vehicle
Using needing electric air compressor capacity bigger.In order to reach this purpose, general manufacturer is on the basis of original
It increases the stroke of piston or expands cylinder diameter to meet the needs of client, noise is big when air compressor being caused to work, it is big to shake
The defects of.
Invention content
The technical problems to be solved in the utility model is to solve needing to increase two-cylinder type air compressor in the prior art
Capacity when, traditional increase piston stroke or expand the mode of cylinder diameter noise be big when air compressor being caused to work, vibrations
The defects of big.
In order to solve the above-mentioned technical problem, the technical scheme that the utility model is provided is as follows：A kind of air-cooled electric air
Compressor includes at least：Crankcase, is equipped with that two rows of quantity are equal and one-to-one piston cylinder on the crankcase, two rows of
The V-shaped distribution of piston cylinder, often row is including at least two piston cylinders；Bent axle, the bent axle is located in crankcase and the both ends of bent axle
It is connect with the both sides rotary moveable of crankcase, the bent axle is equipped with the connecting rod construction section equal with every row's piston cylinder quantity, often
Installation is there are two connecting rod on a connecting rod construction section, two connecting rods on each connecting rod construction section respectively with it is opposite in two rows of piston cylinders
The piston for two piston cylinders answered connects；The output end of driving motor, the driving motor passes through shaft coupling and the bent axle
One end connects.
The Ventilated electric engine-driven air compressor of the present embodiment by increase piston cylinder quantity to promote capacity, with tradition
It is compared by way of increasing the stroke of piston or expanding cylinder diameter, the rational bent axle of multiple casing respective outer side edges of V-shaped arrangement, company
Bar is laid out, and not only realizes the demand for promoting capacity, but also complete machine operation is more stable, noise, vibrations smaller.V-shaped arrangement
Four cylinder structure piston strokes are short, piston cylinder cylinder diameter is small, saved occupied space, more compact structure, air inlet-outlet pipe Louis layout,
Cost is saved, appearance is more beautiful.
Description of the drawings
Fig. 1 is the external structure schematic diagram of the present embodiment Ventilated electric engine-driven air compressor；
Fig. 2 is the side structure schematic view of Ventilated electric engine-driven air compressor shown in Fig. 1；
Fig. 3 is the schematic cross-sectional view of Ventilated electric engine-driven air compressor shown in Fig. 1；
Fig. 4 is the close-up schematic view in the portions A shown in Fig. 3；
Fig. 5 is the attachment structure schematic diagram of piston cylinder and bent axle in the present embodiment Ventilated electric engine-driven air compressor；
Fig. 6 is that the axis of bent axle and connecting rod surveys the signal of state connection structure in the present embodiment Ventilated electric engine-driven air compressor
Figure；
Fig. 7 faces status architecture schematic diagram to be shown in fig. 6；
Fig. 8 is the structural schematic diagram of bent axle in the present embodiment Ventilated electric engine-driven air compressor；
Fig. 9 is the structural schematic diagram of piston cylinder in the present embodiment Ventilated electric engine-driven air compressor；
Figure 10 is the assembled state section view of active return type exhaust structure in the present embodiment Ventilated electric engine-driven air compressor
Structural schematic diagram；
Figure 11 is the structural schematic diagram at the present embodiment Ventilated electric engine-driven air compressor middle cylinder bottom；
Figure 12 is that the explosive state of active return type exhaust structure in the present embodiment Ventilated electric engine-driven air compressor is three-dimensional
Structural schematic diagram；
Figure 13 be the present embodiment Ventilated electric engine-driven air compressor in active return type exhaust structure explosive state just
Depending on structural schematic diagram；
Figure 14 is the structural schematic diagram of two-way centrifugal air cooling system in the present embodiment Ventilated electric engine-driven air compressor；
Figure 15 is the structural schematic diagram that wind chamber and wind scooper are centrifuged in two-way centrifugal air cooling system shown in Figure 14；
Figure 16 is the external structure schematic diagram of fan in two-way centrifugal air cooling system shown in Figure 14；
Figure 17 is the partial structural diagram of fan fan shown in Figure 16；
Figure 18 is the cross-sectional view of two-way Swing line oil pump in the present embodiment Ventilated electric engine-driven air compressor；
Figure 19 is that two-way Swing line oil pump shown in Figure 18 opens the structural schematic diagram after pump cover；
Figure 20 is the structural schematic diagram of two-way Swing line oil pump middle pump body shown in Figure 18；
Figure 21 is the structural schematic diagram of pump cover in two-way Swing line oil pump shown in Figure 18；
Figure 22 is the dimensional structure diagram of two-way Swing line oil pump China and foreign countries rotor fixed position disk shown in Figure 18；
Figure 23 is the overlooking structure diagram of two-way Swing line oil pump China and foreign countries rotor fixed position disk shown in Figure 18；
Figure 24 be Figure 18 shown in two-way Swing line oil pump in the clockwise direction (forward direction) rotation when structural schematic diagram；
Structural schematic diagram when Figure 25 rotates for two-way Swing line oil pump shown in Figure 18 is (reversed) in the counterclockwise direction；
Figure 26 is the structural schematic diagram of fluid pressure type air escape cock in the present embodiment Ventilated electric engine-driven air compressor.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
As shown in Figure 1, a kind of Ventilated electric engine-driven air compressor of the present embodiment, including pedestal 600, it is set to pedestal 600
On crankcase 400 and driving motor 100.As the greatest improvement of the present embodiment, as shown in Fig. 1 Fig. 2, the song of the present embodiment
It is equipped with that two rows of quantity are equal and one-to-one piston cylinder 200, the 200 V-shaped distribution of two rows of piston cylinders are often arranged on axle box 400
Including at least two piston cylinders 200.Preferably, in the present embodiment, often row includes two piston cylinders 200, constitutes four cylinder formula electricity
Engine-driven air compressor.
As shown in figure 3, bent axle 800 is installed in the crankcase 400 of the present embodiment, the both ends of the bent axle 800 and crankcase
400 both sides rotary moveable connection, is usually flexibly connected by bearing rotary, certainly, this connection type is air compressor
The conventional connection type in field, this will not be repeated here.
As viewed in figures 5-8, the bent axle 800 of the present embodiment has the linkage section 1 being connect with shaft coupling and is driven with separate
The linkage section 2 802 of the crankcase connection of dynamic motor side, connects section 1 and linkage section 2 802 is coaxial.The bent axle of above structure
800, the connecting rod construction section equal with every 200 quantity of row's piston cylinder is equipped between section 1 and linkage section 2 802 connecing, respectively
For connecting rod construction section 1 and connecting rod construction section 2 804, axis and the song of connecting rod construction section 1 and connecting rod construction section 2 804
The rotating shaft of axis is parallel, and the axis of connecting rod construction section 1 and connecting rod construction section 2 804 is with respect to the Axisymmetric of bent axle.
There are two connecting rod 240, two connecting rods 240 on each connecting rod construction section are lived with two rows respectively for installation on each connecting rod construction section
The piston connection of corresponding two piston cylinders 200 in plug cylinder.
The bent axle 800 of the present embodiment is pacified with connecting rod construction section 1 and linkage section 2 802 with connecting rod connecing section 1
It is equipped with axis and the inclined joining section 1 of bent axle rotary shaft between dress section 2 804, in connecting rod construction section 1 and connecting rod
Joining section 2 805 is equipped between construction section 2 804.Preferably, bent axle 800 is respectively by proximity section 1 and linkage section two
802 position is equipped with clump weight 807, and the centrifugation force direction of two clump weights 807 is on the contrary, be respectively used to offset connecting rod construction section one
803 and connecting rod construction section 2 804 at centrifugal force.
The four cylinder formula air compressors of the present embodiment, as shown in Figure 6, Figure 7, when air compressor works, driving motor is logical
It crosses shaft coupling band dynamic crankshaft and does crank rotation, connecting rod construction section drives connecting rod, piston component to move reciprocatingly.When a piston cylinder
Piston when being in top dead-centre, the piston of one of piston cylinder is in bottom dead centre, and the piston of other two piston cylinder is then in
Midpoint so recycles.
The Ventilated electric engine-driven air compressor of the present embodiment by increase piston cylinder quantity to promote capacity, with tradition
It is compared by way of increasing the stroke of piston or expanding cylinder diameter, the rational bent axle of four cylinder formula respective outer side edges of V-shaped arrangement, company
Bar is laid out, and not only realizes the demand for promoting capacity, but also complete machine operation is more stable, noise, vibrations smaller.V-shaped arrangement
Four cylinder structure piston strokes are short, piston cylinder cylinder diameter is small, saved occupied space, more compact structure, air inlet-outlet pipe Louis layout,
Cost is saved, appearance is more beautiful.
As shown in figure 9, the piston cylinder of the present embodiment includes cylinder body 210 and cylinder cap 220, wherein cylinder body 210 is close to cylinder cap 220
The cylinder bottom of side is equipped with active return type exhaust structure 900.As shown in figure 11, wherein a cylinder bottom is equipped with valve plate 910, the valve
Plate 910 be equipped with gas vent 911,911 both sides of gas vent be equipped with location hole, location hole include bolt hole 912 and be set to bolt
The gasket hole 913 of 912 upper end of hole, and the diameter of gasket hole 913 is more than the diameter of bolt hole 912.Further include fixed in the present embodiment
Position mechanism 960, the detent mechanism 960 include the space washer 962 being set in gasket hole and match the positioning of connection with bolt hole
Bolt 961.
As shown in Figure 10, Figure 12-13, the exhaust valve plate 920 of the present embodiment is bonded with the upper surface of valve plate 910 to be installed and covers
The gas vent 911 is covered, which has flexibility, and at least one end of exhaust valve plate 920 is vented with detent mechanism edge
The length direction of valve block is flexibly connected.Preferably, in the present embodiment, the both ends of exhaust valve plate 920 are equipped with and space washer 962
The adaptable U-type groove 1 in outer ring, be flexibly connected with space washer 962 by the U-type groove 1 at both ends.
The reed 940 of the present embodiment is equipped with the arc protrusion 941 extended to 920 side of exhaust valve plate, the reed 940
At least length direction of the one end with detent mechanism along exhaust valve plate is flexibly connected.Preferably, in the present embodiment, 940 liang of reed
End is equipped with the U-type groove 2 942 being adapted with positioning bolt, the U-type groove 2 942 and space washer 962 and determines between journey plate 930
Positioning bolt 961 be flexibly connected.
The liner 950 of the present embodiment is set to side of the reed far from exhaust valve plate, is wherein set between exhaust valve plate and liner
It is useful for accommodating the gap of arc protrusion, which is realized by the support of space washer.Wherein at least one end of liner 950 with it is fixed
Length direction flexible connection of the position mechanism along liner.Preferably, in the present embodiment, 950 both ends of liner are equipped with and positioning bolt
Adaptable U-type groove 2 951, the U-type groove 2 951 and space washer 962 and the positioning bolt 961 determined between journey plate 930 are lived
Dynamic connection.
A kind of preferred embodiment, liner are parallel with exhaust valve plate.
The present embodiment determines journey plate 930, is fixed on space washer 962 by positioning bolt 961, this is determined on journey plate 930
Equipped with the arc-shaped depression portion 931 extended to separate exhaust valve plate side.
The active return type exhaust structure of above structure, when air compressor works, piston is run up, top land
Pressure overcomes the pressure on exhaust valve plate and opens, and is inflated to head exhaust chamber, and piston reaches after top dead center, single inflator
It completes, exhaust valve plate is served as a contrast the active force of spring by discharge chamber and exhaust valve plate, closes exhaust valve port rapidly.With it is simple in structure,
Rationally, the advantages that volumetric efficiency is high, volumetric ratio can be low, response is rapid, exhaust valve plate long lifespan.
A kind of preferred embodiment, as shown in Fig. 1, Figure 14-15, the Ventilated electric engine-driven air compressor of the present embodiment includes
Two-way centrifugal air cooling system 500, the two-way centrifugal air cooling system 500 include the wind scooper of fan and two V-shaped distributions
550, the outlet distribution of the wind scooper 550 of two V-shaped distributions corresponds to two rows of piston cylinders 200.
Fan is as shown in Figure 16, Figure 17 in the present embodiment, including fan board 520 and the rotation center annular around fan board
Several blades 530 being uniformly arranged.Wherein fan board 520 is fixedly connected with the active shaft coupling 510 of shaft coupling, with driving motor
Output shaft rotation.As the greatest improvement of the present embodiment, as shown in figure 17, above-mentioned blade 530 includes the diameter along fan board 520
To the fan base leaf 531 of extension, which is equipped with respectively to fan base
The auxiliary 532 Y-shaped distribution of leaf of the auxiliary leaf 532 of fan that leaf both sides are obliquely extended, wherein fan base leaf 531 and the fan of both sides.Y-junction
The blade of structure does not have directionality, no matter rotates in the forward direction or reversely rotates, wind speed, air quantity, cooling effect all same.
A kind of preferred embodiment, fan base leaf 531 and the auxiliary leaf 532 of fan are integrally formed in the present embodiment, pass through sheet material
Bending forms or integrated injection molding forms.Certainly this is only a kind of preferred structure, can also use seperated molding mode.
Further include the sealing plate 521 being oppositely arranged with fan board 520, the sealing plate in the present embodiment as shown in Figure 15, Figure 16
Centrifugation wind chamber 540 is formed between 521 and fan board 520, which is connected in radial direction with wind scooper 550.
The two-way centrifugal air cooling system of the present embodiment under same rotating speed, has wind speed compared with traditional cooling fan
It is high, air quantity is big, good cooling results technical advantages, avoid too fat to move in the structures such as liquid cooling mode pipeline, radiator and
Cumbersome, the cooling liquid failure of leakage and of high cost, low production efficiency, complete machine from it is heavy phenomena such as；Meanwhile Y shape blade has
The technique effect of positive and negative bidirectional rotation wind speed, air quantity, cooling effect all same, being more suitable for the present embodiment does not have rotation direction requirement
Reciprocating-piston electric air compressor.
A kind of preferred embodiment, as shown in Figs. 1-3, side of the present embodiment crankcase 400 far from driving motor are equipped with
Two-way Swing line oil pump 300, for provide lubricating oil in crankcase.Wherein structure such as Figure 18, Figure 19 of two-way Swing line oil pump 300
It is shown, including the pump housing 310, internal rotor 330, outer rotor 340, the pump cover 320 being fixedly connected with the pump housing and outer rotor positioning disk
350.The center of its middle pump body 310 is equipped with axis hole 312, and the pump shaft being connect with pump housing rotary moveable is equipped in the axis hole 312
360.The pump shaft 360 connect with bent axle 800 or for bent axle 800 a part.Bearing block of the pump housing 310 as crankcase, is used for
It is connect by bearing with bent axle 800.
In the present embodiment, it is equipped with the column deep gouge 311 coaxial with pump shaft 360 in the side of the pump housing, the column deep gouge 311
Slot bottom is equipped with oil-feed tank 313 and goes out oil groove 316.It should be noted that being wherein equipped with fuel feed hole 314 and overflow in oil-feed tank 313
It is flowed out by spout hole when wherein the fluid in oil-feed tank is excessive in hole 318.Go out and be equipped with outage 318 in oil groove 316, with oil inlet
Hole 314 forms oil circulation.In addition, preferably, going out in oil groove to be additionally provided with oilhole 317, lubricating oil can be via the lubrication
Oilhole 317 lubricates the other components such as bearing.
As shown in Figure 18, Figure 19, in the present embodiment, internal rotor 330 is located in column deep gouge 311 and is fixed with pump shaft 360
It connects, multiple external toothing teeth is laid on the peripheral surface of the internal rotor 330.Outer rotor 340 is located in column deep gouge 311 and covers
On internal rotor 330, the inner ring of the outer rotor 340 is laid with multiple internal messing teeth engaged with the matching of external toothing tooth, and
The quantity of internal messing tooth is one at least more than the quantity of external toothing tooth.Preferably, in the present embodiment, the quantity ratio of internal messing tooth
The quantity of external toothing tooth is one more.
The quantity of a kind of preferred embodiment, the internal messing tooth is 7, and the quantity of the external toothing tooth is 6.
As the maximum improvement of the present embodiment, outer turn is additionally provided between the cell wall and outer rotor 340 of column deep gouge 311
Sub- positioning disk 350.As shown in Figure 22, Figure 23, which includes for the cell wall gap with column deep gouge 311
The outside fix circle 351 of cooperation and for the inside fic circle 352 with 340 clearance fit of outer rotor, and 357 phase of the center of circle of inside fic circle
To 356 eccentric setting of the center of circle of outside fix circle.
Position restrainer is rotated in the forward direction it should be noted that being equipped between outer rotor positioning disk 350 and the pump housing 310 or pump cover 320
Structure and reverse rotation position-limit mechanism, and outer rotor positioning disk can between rotating in the forward direction position-limit mechanism and reversely rotating position-limit mechanism
It rotates freely.Preferably, outer rotor positioning disk is rotating in the forward direction position-limit mechanism and is reversely rotating the freedom between position-limit mechanism
Rotation angle is 180 °.
A kind of preferred embodiment, as shown in Figure 22, Figure 23, the outer rotor positioning disk 350 is set close to the side of pump cover
There is an arc groove 353, pump cover shown in Figure 21 is equipped with positioning pin corresponding with the arc groove 353 370.Wherein arc groove 353
Both ends be respectively positive limit end 354 for limiting positioning pin and reverse limit end 355, wherein positive limit end 354 with
The composition of positioning pin 370 rotates in the forward direction position-limit mechanism, and reverse limit end 355 constitutes with positioning pin 370 and reversely rotates position-limit mechanism.
It should be noted that above-mentioned is only the preferred embodiment for rotating in the forward direction position-limit mechanism and reversely rotating position-limit mechanism,
Not sole limitation.Other equivalent modes should also include：Arc groove is set to outer rotor positioning disk close to column sink groove bottom
Side, positioning pin be set to column deep gouge slot bottom；Arc groove be set to column deep gouge slot bottom or pump cover close to column deep gouge
Side, positioning pin are set to the corresponding side of outer rotor positioning disk；Arc groove is set on the cell wall of column deep gouge, and positioning pin is set to outer turn
In the outside fix circle of sub- positioning disk；Arc groove is set in the outside fix circle of outer rotor positioning disk, and positioning pin is set to column deep gouge
On cell wall, etc. forms.
As shown in figure 21, the pump cover 320 of the present embodiment be equipped with deep gouge 1 corresponding with the oil-feed tank and with it is fuel-displaced
The corresponding deep gouge 323 2 of slot, the center of pump cover are equipped with and the matched center positioning hole in the free end of pump shaft 321.Preferably, heavy
The shaft end lubrication hole 324 being connected to center positioning hole 321 is equipped in slot 1.Lubricating oil in oil suction chamber is lubricated by shaft end
Hole is flow between pump shaft and center positioning hole, realizes the shaft end lubrication of pump shaft.The two-way Swing line oil pump of the present embodiment, internal rotor
External toothing tooth is six teeth, and the internal messing tooth of outer rotor is seven teeth, and inner and outer Rotator differs a tooth, since inner and outer rotors are multiple tooth nibble
It closes, which forms several sealed volumes.When internal rotor is rotated around pump spindle center, drive outer rotor same around outer rotor center
To rotation.At this moment, by the seal chamber formed between external toothing tooth tooth top and internal messing tooth tooth paddy, with the rotary seal volume of rotor
It is just gradually expanded, then just forms parital vacuum, fluid is inhaled into seal chamber from oil-feed tank.When rotor continues rotation, it is full of
The seal chamber of fluid is just gradually reduced, and fluid is squeezed, and then passes through out oil groove and oil is discharged, internal rotor each rotation, by outer
The each seal chamber constituted between engaging tooth tooth top and internal messing tooth tooth paddy, completion is inhaled, pressure oil is each primary, when internal rotor continuously turns
When dynamic, that is, complete the suction oil work of hydraulic pump.
As shown in figure 24, when driving motor is rotated in the forward direction and (rotated clockwise), positive limit end 354 and positioning pin 370
Composition rotates in the forward direction position-limit mechanism, positions disc spins for limiting outer rotor, forms oil suction chamber 380, Yu Yi at fuel feed hole 314
Oil-discharging cavity 390 is formed at discharge orifice 318.When driving motor reversely rotates (rotation counterclockwise), due to the center of circle 357 of inside fic circle
356 eccentric setting of the center of circle of opposite outside fix circle drives outer rotor to reversely rotate by internal rotor, and outer rotor drives outer rotor positioning
Disk is reversely rotated to state shown in Figure 25, i.e. reverse limit end 355 constitutes with positioning pin 370 and reversely rotates position-limit mechanism, in
Oil suction chamber 380 is formed at spout hole 318, and oil-discharging cavity 390 is formed at outage 318.
It should be noted that it is existing that other fluid pipeline, lubricating oil for coordinating with two-way Swing line oil pump, which provide mechanism etc.,
There is routine techniques, is not described in detail herein.The two-way Swing line oil pump of the present embodiment rotates forward, pump oil, nothing may be implemented in reversion
Rotation direction requirement, and can be with free switching between rotating in the forward direction and reversely rotating.Compared with the unidirectional oil pump of the prior art, and do not have
There is the electric compressor that rotation direction requires more to be adapted to, and the case where being not necessarily to consider wrong line during installation, maintenance etc..Have
It is not limited by steering, adaptable, compact-sized, small, part is few, and stable movement, noise is low, and it is excellent that volumetric efficiency is higher etc.
Point.
A kind of preferred embodiment, as shown in Figure 3, Figure 4, the Ventilated electric engine-driven air compressor of the present embodiment are equipped with centrifugation
Formula breathing structure.In the present embodiment, driven shaft coupling 830 that one end of bent axle 800 is fixedly connected by tight fixed bolt 820.Its
In centrifugal breathing structure include be set to bent axle 800 on respiration channel 1, the respiration channel two on tight fixed bolt
821, the respiration channel 3 831 on driven shaft coupling 830 and the vent valve on driven shaft coupling.Wherein breathing is logical
It is connected to inside the one end in road 1 and the crankcase of air compressor, the other end is connected to respiration channel 2 821.Respiration channel
2 821 are connected to respiration channel 3 831 and vent valve successively.Preferably, the outer surface of tight fixed bolt 820 is equipped with annular groove, institute
State annular groove respectively with respiration channel two and respiration channel tee joint.
A kind of preferred embodiment, the vent valve of the present embodiment include the deflation spiral shell being threadedly coupled with driven shaft coupling 830
Stifled 840, which is equipped at least one bleed passage 841 being in communication with the outside, and respiration channel 3 831 with
The position of vent valve connection is equipped with sealing ring 843.The sealing ring 843 is preferably O-ring seals.In the present embodiment, sealing ring 843
It is equipped with sealing element 842 between deflation screw plug 840, compressed spring 844 is equipped between the sealing element 842 and deflation screw plug.As
It is preferred that sealing element 842 is steel ball.
The limited post 845 for limiting compressed spring 844 is equipped in a kind of preferred embodiment, wherein deflation screw plug 840.
The air-cooled air compressor air compressor of the present embodiment, when work, inside crankcase caused by gas reach
When to certain pressure, the vent valve on driven shaft coupling is transported to by respiration channel one, respiration channel two, respiration channel three,
And sealing element is open-top, gas is discharged to air from bleed passage, generated centrifugal force when due to being rotated by bent axle is realized
Oil-gas Separation, the gas being discharged are substantially free of lubricating oil.Centrifugal breathing structure reasonable design, controls inside crankcase
Pressure, air-following oil drain quantity is few, ensure that the lubricants capacity in body, avoids air compressor due to supply profit in time
Lubricating oil and the failure occurred.
As shown in Fig. 2, it is additionally provided with fluid pressure type air escape cock 700 on the cylinder cap of the present embodiment air bleed piston cylinder, the fluid pressure type
Air escape cock 700 includes valve body 710, air escape valve seat 730 and air bleed piston 720.It is wherein equipped in valve body 710 and air bleed piston
720 matched air bleed piston chambers, air bleed piston 720 are slidably and sealingly connected with the air bleed piston chamber.Air bleed piston 720 will deflate
Plunger shaft is divided into the air discharge cavity 712 of 730 side of hydraulic cavities 711 and air escape valve seat of 714 side of inlet, in hydraulic cavities 711
One end is equipped with the inlet 714 being connected to air bleed piston chamber.
A kind of preferred embodiment, in the present embodiment, the outer wall of air bleed piston 720 and the inner wall of air bleed piston chamber it
Between be equipped at least one annular oil seal 721 and the fixing sleeve 722 for stationary ring oil sealing.Preferably, having in the present embodiment
There are 2 annular oil seals 721 and 2 fixing sleeves 722.The effect that 2 annular oil seals 721 are arranged is that the operation of air bleed piston is more
Add steadily, prevents air bleed piston from tilting.
In the present embodiment, air escape valve seat 730 is fixedly connected with the one end of valve body 710 far from inlet 714, preferably screw thread
Connection.Wherein air escape valve seat 730 is equipped with the gas vent 731 being connected to the air bleed piston chamber.It is then equipped on air bleed piston 720
It is enough to cover the vent seal pad 724 of gas vent 731, which, which is preferably fixed with air bleed piston by screw, connects
It connects.Deflation spring 740 is equipped between the air bleed piston 720 and air escape valve seat 730.
A kind of preferred embodiment, the air bleed piston 720 are equipped with stop collar 723, the limit close to one end of inlet 714
Position set 723 is preferably fixedly connected with air bleed piston 720 by screw.Correspondingly, it is set close to the position of inlet in hydraulic cavities 711
There is positive stop lug boss 713, the extreme position for limiting air bleed piston.Preferably, stop collar 723 has certain elasticity, it can
With protecting against shock, extend the service life of fluid pressure type air escape cock.
The fluid pressure type air escape cock of above structure, wherein inlet are connected by the cooling liquid of pipeline and air compressor
Logical, when air compressor works, cooling liquid enters in hydraulic cavities, pushes piston to be run to air escape valve seat side, piston overpowers
The elastic force of deflation spring, driving vent seal pad seal gas vent, ensure that the gas in cylinder cap intracavitary portion will not be revealed, work as storage
When gas tank pressure reaches rated pressure, air compressor is stopped, and coolant liquid loses pressure, in cylinder cap internal gas pressure and
Under the action of deflation spring force, piston drags vent seal pad towards hydraulic cavities direction displacement certain distance so that vent seal pad
The sealing to gas vent is released, the gas of cylinder cap inner cavity is discharged by valve body air discharge cavity, air vent, so recycles, realize nothing
No Load Start air compressor is pressed, avoids startup with pressure, protection driving motor overload, when startup is more stable.
In short, the above is only the preferred embodiment of the utility model only, it is not intended to limit the utility model, it is all
All any modification, equivalent and improvement made within spirit of the present utility model and principle etc., should be included in this practicality
Within novel protection domain.
Claims (10)
1. a kind of Ventilated electric engine-driven air compressor, which is characterized in that include at least：
Crankcase, is equipped with that two rows of quantity are equal and one-to-one piston cylinder on the crankcase, V-shaped point of two rows of piston cylinders
Cloth, often row is including at least two piston cylinders；
Bent axle, the bent axle is located in the crankcase and both ends of bent axle and the both sides rotary moveable of crankcase connects, the bent axle
It is equipped with the connecting rod construction section equal with every row's piston cylinder quantity, there are two connecting rod, Mei Gelian for installation on each connecting rod construction section
The piston connection of two connecting rods on bar construction section two piston cylinders corresponding with two rows of piston cylinders respectively；
The output end of driving motor, the driving motor is connect by shaft coupling with one end of the bent axle.
2. Ventilated electric engine-driven air compressor described in accordance with the claim 1, which is characterized in that the piston cylinder include cylinder body and
Cylinder cap, cylinder bottom of the cylinder body close to cylinder cap side are equipped with active return type exhaust structure.
3. Ventilated electric engine-driven air compressor according to claim 2, which is characterized in that the cylinder bottom is equipped with valve plate,
The valve plate is equipped with gas vent, and gas vent both sides are equipped with location hole, detent mechanism is equipped in the location hole；The active is returned
Position formula exhaust structure includes exhaust valve plate, determines journey plate and set on exhaust valve plate and determine the reed and liner between journey plate, described
Exhaust valve plate is bonded with the upper surface of valve plate installs and covers the gas vent, and the exhaust valve plate has flexibility, the exhaust
Length direction of at least one end of valve block with detent mechanism along exhaust valve plate is flexibly connected；It is described to determine journey plate and pass through the localization machine
Structure is fixedly installed in above exhaust valve plate；At least one end of the reed is with detent mechanism along the length direction activity of exhaust valve plate
Connection, the reed are equipped with the arc protrusion extended to exhaust valve plate side, and the liner is set to reed far from exhaust valve plate
Side, be equipped with gap for accommodating arc protrusion between the exhaust valve plate and liner, at least one end of the liner with
Length direction flexible connection of the detent mechanism along liner.
4. Ventilated electric engine-driven air compressor described in accordance with the claim 1, which is characterized in that further include being set at shaft coupling
Two-way centrifugal air cooling system, the two-way centrifugal air cooling system include at least the wind scooper of fan and two V-shaped distributions,
The corresponding two rows of piston cylinders of outlet distribution of the wind scooper of two V-shaped distributions；The fan includes fan board and circular fan board
Several blades for being uniformly arranged of rotation center annular, the blade includes the fan base leaf radially extended along fan board, institute
It states the one end of fan base leaf far from fan board rotation center and is equipped with the auxiliary leaf of fan being obliquely extended respectively to fan base leaf both sides, institute
State the Y-shaped distribution of the auxiliary leaf of fan of fan base leaf and both sides.
5. Ventilated electric engine-driven air compressor according to claim 4, which is characterized in that further include set opposite with fan board
The sealing plate set, forms centrifugation wind chamber between the sealing plate and fan board, the centrifugation wind chamber is connected in radial direction with wind scooper.
6. Ventilated electric engine-driven air compressor described in accordance with the claim 1, which is characterized in that the crankcase is far from driving electricity
The side of machine is equipped with two-way Swing line oil pump, and the two-way Swing line oil pump includes at least：
The pump housing, the center of the pump housing are equipped with the pump shaft being connect with pump housing rotary moveable, and the side of the pump housing is equipped with and pump
The slot bottom of the coaxial column deep gouge of axis, the column deep gouge is equipped with oil-feed tank and goes out oil groove, and fuel feed hole is equipped in the oil-feed tank,
It is described go out oil groove in be equipped with outage；
Internal rotor, the internal rotor is located in column deep gouge and is fixedly connected with pump shaft, uniformly distributed on the peripheral surface of the internal rotor
Equipped with multiple external toothing teeth；
Outer rotor, the outer rotor are located in column deep gouge and are sheathed on internal rotor, and the inner ring of the outer rotor is laid with
Multiple to match the internal messing tooth engaged with external toothing tooth, the quantity of the internal messing tooth is at least more by one than the quantity of external toothing tooth
It is a；
Pump cover, the pump cover are fixedly connected with the column deep gouge side of the pump housing；
Outer rotor positioning disk, the outer rotor positioning disk include for column deep gouge clearance fit outside fix circle and for
The inside fic circle of outer rotor clearance fit, the center of circle eccentric setting of the center of circle of the inside fic circle with respect to outside fix circle；It is described outer
It is equipped between rotor fixed position disk and the pump housing or pump cover and rotates in the forward direction position-limit mechanism and reversely rotate position-limit mechanism, the outer rotor is fixed
Position disk is freely rotatable between rotating in the forward direction position-limit mechanism and reversely rotating position-limit mechanism.
7. Ventilated electric engine-driven air compressor according to claim 6, which is characterized in that the pump cover be equipped with it is described
The corresponding deep gouge one of oil-feed tank and deep gouge two corresponding with oil groove is gone out, the center of the pump cover is equipped with to be matched with the free end of pump shaft
Center positioning hole, the shaft end lubrication hole being connected to center positioning hole is equipped in the deep gouge one.
8. according to claim 1-7 any one of them Ventilated electric engine-driven air compressors, which is characterized in that further include centrifugal
Breathing structure, one end that the bent axle is connect with shaft coupling are connected with driven shaft coupling by tight fixed bolt, described centrifugal to exhale
It includes being set to the respiration channel one on bent axle, the respiration channel two on tight fixed bolt, being set on driven shaft coupling to inhale structure
Respiration channel three and the vent valve on driven shaft coupling；One end of the respiration channel one and the song of air compressor
Connection, the other end are connected to respiration channel two inside axle box；The respiration channel two and respiration channel tee joint, the breathing are logical
Road three is connected to vent valve.
9. Ventilated electric engine-driven air compressor according to claim 8, which is characterized in that the vent valve include with it is driven
The deflation screw plug that shaft coupling is threadedly coupled, the deflation screw plug is equipped at least one bleed passage being in communication with the outside, described
The position that respiration channel three is connect with vent valve is equipped with sealing ring, and sealing element, institute are equipped between the sealing ring and deflation screw plug
It states and is equipped with compressed spring between sealing element and deflation screw plug.
10. according to Ventilated electric engine-driven air compressor according to claim 2 or 3, which is characterized in that be additionally provided on the cylinder cap
Fluid pressure type air escape cock, the fluid pressure type air escape cock include at least valve body, air escape valve seat and air bleed piston, are set in the valve body
There are air bleed piston chamber, one end of the valve body to be equipped with the inlet being connected to air bleed piston chamber；The air escape valve seat is remote with valve body
One end from inlet is fixedly connected, and the air escape valve seat is equipped with the gas vent being connected to the air bleed piston chamber；It is described to put
Gas piston is slidably and sealingly connected with the air bleed piston chamber, and air bleed piston chamber is divided into inlet side by the air bleed piston
The air discharge cavity of hydraulic cavities and air escape valve seat side, the air bleed piston is equipped with close to the side of air escape valve seat to be enough to cover gas vent
Vent seal pad, between the air bleed piston and air escape valve seat be equipped with deflation spring.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820036150.1U CN207750190U (en) | 2018-01-10 | 2018-01-10 | Ventilated electric engine-driven air compressor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820036150.1U CN207750190U (en) | 2018-01-10 | 2018-01-10 | Ventilated electric engine-driven air compressor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050038A (en) * | 2018-01-10 | 2018-05-18 | 浙江万安其弗汽车零部件有限公司 | A kind of Ventilated electric engine-driven air compressor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050038A (en) * | 2018-01-10 | 2018-05-18 | 浙江万安其弗汽车零部件有限公司 | A kind of Ventilated electric engine-driven air compressor |
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