CN105065227B - A kind of four cylinder air compressor machines - Google Patents
A kind of four cylinder air compressor machines Download PDFInfo
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- CN105065227B CN105065227B CN201510548074.3A CN201510548074A CN105065227B CN 105065227 B CN105065227 B CN 105065227B CN 201510548074 A CN201510548074 A CN 201510548074A CN 105065227 B CN105065227 B CN 105065227B
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Abstract
The present invention provides a kind of four cylinder air compressor machines, belong to air compressor machine technical field.It solves the problems, such as that existing air compressor structure is complicated and compression efficiency is low.This four cylinder air compressor machine, it is characterised in that：Motor stator, rotor, motor shaft and two crankcases, the crankcase including case and in case are directly connected on the both ends of motor stator, and two air compression assemblies are separately installed on the motor shaft both ends.This four cylinder air compressor machine has the advantages that simple in structure, easy to assembly and compression efficiency is high.
Description
Technical field
The utility model belongs to air compressor machine technical field, is related to a kind of four cylinder air compressor machines.
Background technology
Existing air compressor machine generally comprises a motor, a crankcase, an eccentric wheel and two air compression groups
There is motor housing and electric motor end cap, crankcase to be fixedly mounted on electric motor end cap for part, motor, and eccentric wheel is mounted on motor shaft
On, two air compression assemblies are mounted on eccentric wheel, motor work, and motor shaft band movable eccentric wheel rotates to drive two skies
Gas compression assembly carry out air compression work, there are the problem of：Connection installation between its crankcase and motor is cumbersome
And electric machine structure is complicated, so as to cause of high cost and assembly trouble, and only there are two air compression assemblies to carry out air pressure simultaneously
Contracting working efficiency is low, and compression effectiveness is poor.
Invention content
The purpose of this utility model is the presence of the above problem in view of the prior art, it is proposed that a kind of simple in structure, assembly
Four convenient and high compression efficiency cylinder air compressor machines.
The purpose of this utility model can be realized by following technical proposal：A kind of four cylinder air compressor machines, it is characterised in that：Packet
It includes case and motor stator in case, rotor, motor shaft and two crankcases, the crankcase is directly connected in electricity
On the both ends of machine stator, two air compression assemblies are separately installed on the motor shaft both ends.
In above-mentioned four cylinder air compressor machine of one kind, mutual corresponding four mounting holes are provided on described two crankcases
Group is opened on that is, one of crankcase there are four mounting hole, and corresponding four mounting holes, Mei Gean are provided on another crankcase
Dress hole group includes the mounting hole on one of crankcase and corresponding mounting hole on another crankcase, passes through stay bolt two
End, which is tightened on one group of mounting hole, is fixedly clamped motor stator between two crankcases, the stay bolt and motor stator
It is parallel.
In above-mentioned four cylinder air compressor machine of one kind, bearing (ball) cover, the motor shaft two are installed in the crankcase
Bearing is separately installed on end, the bearing is mounted on bearing (ball) cover.
In above-mentioned four cylinder air compressor machine of one kind, the air compression assembly includes cylinder, piston, connecting rod and is connected in
Eccentric wheel on motor shaft, the connecting rod lower end are annulus, and annulus is set on eccentric wheel, and piston and cylinder operation carry out sky
Air pressure is contracted.
In above-mentioned four cylinder air compressor machine of one kind, the bearing (ball) cover separates crankcase to form inner cavity and exocoel, fixed
Justice is inner cavity close to that end of motor stator, and the inner cavity is socketed on motor stator, and the exocoel port is equipped with crankcase cover,
Its that end being connect with eccentric wheel of above-mentioned eccentric wheel and connecting rod is located at outer intracavitary, and balance is also arranged on the motor shaft
Wheel, the stabilizer is between eccentric wheel and crankcase cover.
In above-mentioned four cylinder air compressor machine of one kind, it is provided with through-hole among the stabilizer, is arranged and is connected in by through-hole
On motor shaft, the side arc edge of the stabilizer is equipped with the eccentric force for being used for being generated when the work of equilibrium air compression assembly
Stabilizer tab edge.
In the above-mentioned four cylinder air compressor machine of one kind, open that there are two be used for installing connecting rods on the crankcase exocoel side wall
Connecting rod mounting hole, the bore of the connecting rod mounting hole are less than the bore of connecting rod lower end annulus, are gone back on the crankcase exocoel side wall
The straight slot and straight slot being connected to respectively with above-mentioned two connecting rod mounting hole there are two opening also are connected to exocoel port, in above-mentioned connecting rod
Portion can be respectively equipped with convex block on the straight slot two side, geosynclinal block, the geosynclinal block be detachably equipped on straight slot by above-mentioned straight slot
The groove to match with above-mentioned convex block is provided on two side.
In above-mentioned four cylinder air compressor machine of one kind, is set on the crankcase intracavity wall there are two ventilation hole structure and be located at
Two heat emission holes between two ventilation hole structures, the ventilation hole structure be arched upward outward by interior cavity outer wall formed three it is logical
Air holes, the ventilation hole and heat emission hole are connected to crankcase intracavity.
In above-mentioned four cylinder air compressor machine of one kind, the case and above-mentioned motor stator lateral wall and crankcase outside
There is gap, gap to form ventilating duct, above-mentioned ventilation hole is connected to ventilating duct, the motor shaft both ends difference between wall
Radiator fan is installed, the wind that radiator fan generates enters ventilating duct on the crankcase cover and motor shaft ends described in stretching through out
In.
In above-mentioned four cylinder air compressor machine of one kind, the crankcase cover is equipped with air intake passage, the air intake passage
It is connected to crankcase exocoel.
Compared with prior art, this four cylinder air compressor machine has the advantages that following several：
1, crankcase is directly fixedly mounted on motor stator, and crankcase also acts as the effect of motor housing, is directly saved
Motor housing is omitted, the bearing (ball) cover in two crankcases acts as the front and rear cover of motor, has directly dispensed motor front and back end
Lid, so that electric machine structure greatly simplifies, and cost is reduced, while assembly is also more simple, as long as by two bent axle box fasteners
Being fixed with bolt at motor stator both ends can；
2, two air compression assemblies are respectively provided at motor both ends, are equivalent to four cylinders and work together, a motor drives four
A air compression assembly work, greatly improves air compression efficiency and effect；
3, original eccentric wheel and stabilizer are that group is integral, and volume weight again greatly, not only assemble it is cumbersome, but also
It is larger to produce and process difficulty, while complicated cost is also high, eccentric wheel and stabilizer separate machined produced and assembled now,
Structure is more simple, and since independent separately respective production and processing is also by a relatively simple, while assembly is also convenient for, and is reduced into
This, improves production efficiency of assembling；
What 4, its radiator fan, ventilating duct, ventilation hole and heat dissipation pore structure can generate motor is a large amount of tropical from air compressor machine,
To improve its heat dissipation effect；
5, the design of the straight slot structure on crankcase, facilitates the installation of connecting rod, only need to by the middle part of connecting rod by straight slot with
Eccentric wheel is set on motor shaft together, is then sealed straight slot with geosynclinal block, and assembly is very convenient.
Description of the drawings
Fig. 1 is the overall structure figure of the utility model.
Fig. 2 is that the utility model removes the structure chart after half of case.
Fig. 3 is the structure chart for removing a crankcase on the basis of Fig. 2.
Fig. 4 is that the utility model removes the partial exploded view after entire case.
Fig. 5 is the structure chart of crankcase in the utility model.
Fig. 6 is the structure chart of geosynclinal block.
In figure, 1, case；2, motor stator；3, rotor；4, motor shaft；5, crankcase；51, mounting hole；52, step surface；
53, bearing (ball) cover；54, inner cavity；55, exocoel；56, connecting rod mounting hole；57, straight slot；571, convex block；58, geosynclinal block；581, groove；
6, bearing；7, crankcase cover；71, air intake passage；8, eccentric wheel；9, stabilizer；91, stabilizer tab edge；10, cylinder；11, connecting rod；
111, annulus；12, heat emission hole；13, ventilation hole structure；14, radiator fan.
Specific implementation mode
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Fig. 1,2,3 and 4, this four cylinder air compressor machine includes case 1 and motor stator 2, rotor in case 1
3, motor shaft 4 and two crankcases 5 are separately installed with two air compression assemblies on 4 both ends of motor shaft.On two crankcases 5
Mutual corresponding four mounting hole groups are provided with, i.e., are opened on one of crankcase there are four mounting hole 51, on another crankcase
Corresponding four mounting holes 51 are provided with, each mounting hole group includes mounting hole 51 and another bent axle on one of crankcase
Corresponding mounting hole 51 on case is tightened on one group of mounting hole by stay bolt both ends and motor stator 2 is fixedly clamped two
Between a crankcase 5, stay bolt is parallel with motor stator 2.That end face that crankcase 5 is connect with motor stator 2 is equipped with
With the step surface 52 of 2 matching ends of motor stator, when installation, the step surface 52 of two crankcases 5 is directly clasped and is determined in motor
On sub 2 both ends, corresponding mounting hole 51 on two crankcases 5 is then passed through by bolt, finally stretches out mounting hole 51 in bolt
Both ends on tightened and two crankcases 5 can be fixedly mounted on 2 both ends of motor stator with nut.Crankcase 5 is directly solid
It is connected on motor stator 2, motor housing structure is omitted, simplify structure, reduce cost.Further, installation in crankcase 5
There is bearing (ball) cover 53, bearing 6 is separately installed on 4 both ends of motor shaft, bearing 6 is mounted on bearing (ball) cover 53, bearing (ball) cover
53 act as the effect of motor front and rear cover, to which motor directly dispenses front and rear cover structure, to reduce cost.
Bearing (ball) cover 53 separates crankcase 5 to form inner cavity 54 and exocoel 55, and it is interior to define close to 2 that end of motor stator
Chamber 54, inner cavity 54 are socketed on motor stator 2, and 55 port of exocoel is equipped with crankcase cover 7, and air intake passage 71 is located at crankcase cover 7
On, air intake passage 71 is connected to 5 exocoel 55 of crankcase.Eccentric wheel 8 and its that end being connect with eccentric wheel 8 of connecting rod 11 are located at exocoel
In 55, stabilizer 9 is also arranged on motor shaft 4, stabilizer 9 is between eccentric wheel 8 and crankcase cover 7.It is opened among stabilizer 9
There is through-hole, be arranged and be connected on the motor shaft (4) by through-hole, the side arc edge of stabilizer 9, which is equipped with, is used for equilibrium air pressure
The stabilizer tab of the eccentric force generated when contracting component operation is along 91.By eccentric wheel 8 and the production of 9 separate machined of stabilizer and assembly, knot
Structure is more simple, and since independent separately respective production and processing is also by a relatively simple, while assembly is also convenient for, and reduces cost,
Improve production efficiency of assembling.
Air compression assembly includes cylinder 10, piston, connecting rod 11 and the eccentric wheel 8 on the motor shaft (4) of being connected, under connecting rod 11
End is annulus 111, and annulus 111 is set on eccentric wheel 8, and piston and the work of cylinder 10 carry out air compression, have on annulus 111 scarce
Mouthful, it is respectively equipped with clamping element one and clamping element two on notch both ends, bolt passes through clamping element one and clamping element two, when assembly, axis
Bearing sleeve is located on eccentric wheel 8, and annulus 111 is set on bearing, tightens bolt, by clamping element one and clamping element two close to lack
Mouthful reduce so that annulus 111 clamp bearing, bearing come realize the transmission between connecting rod 11 and eccentric wheel 8 allow to do not have to addition
Lubricating oil greatly simplifies structure to which crankcase 5 does not have to require oil seal.
As shown in Fig. 1,2,5 and 6, opened on 5 exocoel of crankcase, 55 side wall there are two be used for installing connecting rods 11 connecting rod install
Hole 56, the bore of connecting rod mounting hole 56 are less than the bore of 11 lower end annulus 111 of connecting rod, are also provided on 5 exocoel of crankcase, 55 side wall
Two straight slots 57 being connected to respectively with above-mentioned two connecting rod mounting hole 56 and straight slot 57 is also connected to 55 port of exocoel, in connecting rod 11
Portion can be respectively equipped with convex block 571 on 57 two side of straight slot, geosynclinal block 58, geosynclinal block be detachably equipped on straight slot 57 by straight slot 57
The groove 581 to match with convex block 571 is provided on 58 two sides.When assembly, the annulus 111 of 11 lower end of connecting rod is pacified than connecting rod
It is big to fill hole 56, connecting rod 11 is inserted not to enter directly from connecting rod mounting hole 56, therefore straight slot 57 is provided on crankcase 5
Structure unloads crankcase cover 7 and directly installs 11 lower end annulus 111 of connecting rod from 5 exocoel of crankcase, 55 port, then its connecting rod 11
Middle part is moved in connecting rod mounting hole 56 by straight slot 57 and completes to assemble, and solves the too assembly of small rod 11 of connecting rod mounting hole 56 not
The problem of entering.Its straight slot 57 is not limited only to above structure with 58 structure of geosynclinal block, can also be that groove 581 is provided on straight slot 57,
Geosynclinal block 58 is equipped with the convex block 571 to match with groove 581, can also be that other such as 58 one end of geosynclinal block are hinged on straight slot 57 1
On end, 58 one end of geosynclinal block is connected on 57 other end of straight slot, as long as can realize technique effect that geosynclinal block 58 seals straight slot 57 i.e.
It can.
Two there are two ventilation hole structure 13 and between two ventilation hole structures 13 are set on 5 internal chamber wall of crankcase to dissipate
Hot hole 12, ventilation hole structure 13 are three ventilation holes formed that arched upward outward by 54 outer wall of inner cavity, and ventilation hole and heat emission hole 12 are equal
It is connected to 5 inner cavity 54 of crankcase.There is gap, gap between 5 lateral wall of case 1 and 2 lateral wall of motor stator and crankcase
Ventilating duct is formd, above-mentioned ventilation hole, heat emission hole 12 are connected to ventilating duct, and 4 both ends of motor shaft stretch through out the song respectively
Radiator fan 14 is installed, the wind that radiator fan 14 generates enters in ventilating duct on axle box cover 7 and 4 end of motor shaft.It is dissipated
The heat that motor work generates is taken away pneumatics by the wind that Hot-air fan 14 generates by structures such as ventilating duct, ventilation hole and heat emission holes 12
Machine, radiating and cooling effect are very good.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (9)
1. a kind of four cylinder air compressor machines, including case (1) and motor stator (2), rotor (3), motor shaft in case (1)
(4) and two crankcases (5), the crankcase (5) are directly connected on the both ends of motor stator (2), the motor shaft (4) two
Two air compression assemblies are separately installed on end, it is characterised in that：The crankcase (5) connect with motor stator (2) that
End face is equipped with the step surface (52) with motor stator (2) matching ends, and the step surface (52) of two crankcase (5) is direct
It clasps on motor stator (2) both ends, bearing (ball) cover (53), the motor shaft (4) two is installed in the crankcase (5)
Bearing (6) is separately installed on end, the bearing (6) is mounted on bearing (ball) cover (53).
2. a kind of four cylinders air compressor machine according to claim 1, which is characterized in that be provided on two crankcases (5)
Mutual corresponding four mounting hole groups are opened on that is, one of crankcase there are four mounting hole (51), are opened on another crankcase
It includes mounting hole and another crankcase on one of crankcase to have corresponding four mounting holes (51), each mounting hole group
Upper corresponding mounting hole, is tightened on one group of mounting hole (51) by stay bolt both ends and motor stator (2) is fixedly clamped
Between two crankcases (5), the stay bolt is parallel with motor stator (2).
3. a kind of four cylinders air compressor machine according to claim 2, which is characterized in that the air compression assembly includes cylinder
(10), piston, connecting rod (11) and the eccentric wheel (8) being connected on motor shaft (4), the connecting rod (11) lower end are annulus
(111), annulus (111) is set on eccentric wheel (8), and piston and cylinder (10) work carry out air compression.
4. a kind of four cylinders air compressor machine according to claim 3, which is characterized in that the bearing (ball) cover (53) is by crankcase
(5) it separates to form inner cavity (54) and exocoel (55), it is inner cavity (54), the inner cavity to define close to motor stator (2) that end
(54) it is socketed on motor stator (2), exocoel (55) port is equipped with crankcase cover (7), above-mentioned eccentric wheel (8) and connecting rod
(11) that end that the connecting rod (11) on is connect with eccentric wheel (8) is located in exocoel (55), is also arranged on the motor shaft (4)
Stabilizer (9), the stabilizer (9) are located between eccentric wheel (8) and crankcase cover (7).
5. a kind of four cylinders air compressor machine according to claim 4, which is characterized in that be provided among the stabilizer (9) logical
Hole is arranged by through-hole and is connected on motor shaft (4), and the side arc edge of the stabilizer (9), which is equipped with, to be used for balancing sky
The stabilizer tab of the eccentric force generated when air pressure contracting component operation is along (91).
6. a kind of four cylinders air compressor machine according to claim 4, which is characterized in that described crankcase (5) exocoel (55) side
It is opened on wall there are two the connecting rod mounting hole (56) for being used for installing connecting rods (11), the bore of the connecting rod mounting hole (56) is less than connecting rod
(11) bore of lower end annulus (111), also opens that there are two connect respectively with above-mentioned two on crankcase (5) exocoel (55) side wall
The straight slot (57) and straight slot (57) of bar mounting hole (56) connection are also connected to exocoel (55) port, energy in the middle part of above-mentioned connecting rod (11)
By above-mentioned straight slot (57), it is respectively equipped with convex block (571) on straight slot (57) two side, straight slot is detachably equipped on (57)
Geosynclinal block (58) is provided with the groove (581) to match with above-mentioned convex block (571) on geosynclinal block (58) two side.
7. a kind of four cylinders air compressor machine according to claim 4, which is characterized in that set on described crankcase (5) internal chamber wall
Two heat emission holes (12) there are two ventilation hole structure (13) and between two ventilation hole structures (13), the ventilation hole knot
Structure (13) is to be arched upward outward three ventilation holes formed by inner cavity (54) outer wall, the ventilation hole and heat emission hole (12) with song
Axle box (5) inner cavity (54) is connected to.
8. a kind of four cylinders air compressor machine according to claim 7, which is characterized in that the case (1) and above-mentioned motor
There is gap, gap to form ventilating duct between stator (2) lateral wall and crankcase (5) lateral wall, above-mentioned ventilation hole with
Ventilating duct is connected to, and motor shaft (4) both ends stretch through out install on the crankcase cover (7) and motor shaft (4) end respectively
There are radiator fan (14), the wind that radiator fan (14) generates to enter in ventilating duct.
9. a kind of four cylinders air compressor machine according to claim 4, which is characterized in that the crankcase cover (7) be equipped with into
Wind channel (71), the air intake passage (71) are connected to crankcase (5) exocoel (55).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510548074.3A CN105065227B (en) | 2015-08-31 | 2015-08-31 | A kind of four cylinder air compressor machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510548074.3A CN105065227B (en) | 2015-08-31 | 2015-08-31 | A kind of four cylinder air compressor machines |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105065227A CN105065227A (en) | 2015-11-18 |
| CN105065227B true CN105065227B (en) | 2018-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510548074.3A Active CN105065227B (en) | 2015-08-31 | 2015-08-31 | A kind of four cylinder air compressor machines |
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| CN (1) | CN105065227B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107313923B (en) * | 2017-07-27 | 2020-06-05 | 浙江盛源空压机制造有限公司 | Air compressor |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5370504A (en) * | 1991-06-28 | 1994-12-06 | Kioritz Corporation | Ambulant reciprocating compressor having plural pressure collection chambers |
| US6832900B2 (en) * | 2003-01-08 | 2004-12-21 | Thomas Industries Inc. | Piston mounting and balancing system |
| GB2463822B (en) * | 2005-05-17 | 2010-06-09 | Thomas Industries Inc | Pump improvements |
| CN202148999U (en) * | 2011-07-12 | 2012-02-22 | 江门格威精密机械有限公司 | Novel swing type oilless air compressor |
| CN202811256U (en) * | 2012-08-31 | 2013-03-20 | 淄博宏润工贸有限公司 | Direct-connection oil-free air compressor with dual shaft extensions and four air cylinders |
| CN203925929U (en) * | 2014-06-24 | 2014-11-05 | 宁波华生压缩机有限公司 | A kind of compact and large discharge capacity type air compressor |
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| CN105065227A (en) | 2015-11-18 |
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Address after: Air compressor Park Zeguo town of Wenling city Taizhou city Zhejiang province 317521 Patentee after: Shenyuan electromechanical Co.,Ltd. Address before: Air compressor Park Zeguo town of Wenling city Taizhou city Zhejiang province 317521 Patentee before: ZHEJIANG SHENYUAN ELECTRO-MACHINERY Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A four cylinder air compressor Effective date of registration: 20221008 Granted publication date: 20180921 Pledgee: Wenling branch of the Industrial Commercial Bank of China Ltd. Pledgor: Shenyuan electromechanical Co.,Ltd. Registration number: Y2022980017562 |