CN208778172U - A kind of oilless air compressor of included radiator fan - Google Patents
A kind of oilless air compressor of included radiator fan Download PDFInfo
- Publication number
- CN208778172U CN208778172U CN201820692553.1U CN201820692553U CN208778172U CN 208778172 U CN208778172 U CN 208778172U CN 201820692553 U CN201820692553 U CN 201820692553U CN 208778172 U CN208778172 U CN 208778172U
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- oil
- air compressor
- crankcase
- bottom plate
- free air
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- 238000013016 damping Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 12
- 229920001971 elastomer Polymers 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 6
- 230000005855 radiation Effects 0.000 claims description 4
- 229920001973 fluoroelastomer Polymers 0.000 claims description 3
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- 238000001816 cooling Methods 0.000 abstract description 16
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- 238000005265 energy consumption Methods 0.000 description 2
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Abstract
The utility model discloses a kind of oilless air compressor of included radiator fan, wherein motor driven is installed in the radiator fan on rotor axis of electric and rotates in crankcase；Left and right skeleton oil seal is used between rotor axis of electric and crankcase.The piston component of compression cylinder includes the needle bearing with piston rod tight fit, and a bearing pin is threaded through on the needle bearing, and transition fit is fixed in the mounting hole that piston head is equipped with.It is sealed between the bearing pin and needle bearing using left and right outside framework oil seal part.The bearing pin is equipped with oil storage hole, is additionally provided with the oil nozzle communicated with the oil storage hole.The cylinder body periphery wall of the compression cylinder is equipped with multiple ribs, multiple rib interval settings.The oilless air compressor compact integral structure, assembly is simple, and manufacturing cost is low；And cooling effect is good, low noise, more energy saving, longer life expectancy.
Description
Technical Field
The utility model relates to an air compressor machine technical field specifically relates to an oil-free air compressor machine of built-in radiator fan.
Background
At present, most oil-free air compressors on the market adopt a cooling structure with an external fan, so that the oil-free air compressors have the disadvantages of more integral parts, complex structure, high manufacturing cost, unsatisfactory cooling effect, high noise, energy consumption, short service life and the like;
moreover, in the external fan cooling structure adopted in the prior art, the fan is assembled at the tail end of the motor crankshaft, so that the similar protection level is not high, and the fan needs to be matched with structures such as an eccentric shaft and the like, so that the vibration is large and the noise is large;
in addition, the oil-free structure of the piston pin has the defects of short service life and the like.
SUMMERY OF THE UTILITY MODEL
Problem to prior art existence, the utility model provides a from take radiator fan's oil-free air compressor machine. The oil-free air compressor has the advantages of compact structure, simple assembly and low manufacturing cost; and the cooling effect is good, the shock absorption effect is good, the noise is low, the energy is saved more, and the service life is longer.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a from oil-free air compressor machine of taking radiator fan, includes the motor and connects the crankcase of this motor. The motor, the motor rotor shaft is equipped with a heat radiation fan, the motor drives the motor rotor shaft to drive the heat radiation fan to rotate in the crankcase; the crankcase is internally provided with a motor rotor shaft through hole, the motor rotor shaft rotates to penetrate through the motor rotor shaft through hole, and a left framework oil seal and a right framework oil seal are adopted between the motor rotor shaft and the crankcase for sealing.
The oil-free air compressor with the cooling fan further comprises a compression cylinder assembled on the crankcase, the compression cylinder comprises a piston assembly, the piston assembly comprises a needle roller bearing in tight fit with a piston connecting rod, and the piston connecting rod is fixedly arranged in a piston head; a bearing pin penetrates through the needle bearing and is fixed in a transition fit mode in a mounting hole formed in the piston head. The bearing pin and the needle bearing are sealed by adopting a left framework oil seal part and a right framework oil seal part; the bearing pin is provided with an oil storage hole and an oil nozzle communicated with the oil storage hole.
The compression cylinder further comprises a cylinder body, and the piston assembly is arranged in the cylinder body; the cylinder body periphery wall is equipped with a plurality of ribs, and a plurality of ribs interval sets up.
According to the oil-free air compressor with the cooling fan, the fireproof air guide cover is arranged at the position, corresponding to the piston assembly and the cooling fan, of the crankcase; the crankcase is provided with an end cover, and the end cover and the fireproof air guide cover form an outer shell box body of the crankcase; the end cover is provided with a row of sundry mouths.
The oil-free air compressor with the cooling fan further comprises a damping bottom plate, the damping bottom plate comprises an upper bottom plate and a lower bottom plate, and a rubber damping pad is arranged between the upper bottom plate and the lower bottom plate.
According to the oil-free air compressor with the cooling fan, the surface rubber material layers of the left and right framework oil seals and the surface rubber material layers of the left and right framework oil seals are made of the fluorine rubber material layers.
According to the oil-free air compressor with the cooling fan, the crankcase and the motor are connected through a plurality of bolts.
Compared with the prior art, the utility model provides a technical scheme has following beneficial effect:
1. the machine is provided with the built-in cooling fan, so that the whole machine is compact in structure, low in height, simple to assemble, low in manufacturing cost, good in cooling effect, long in service life, low in noise and more energy-saving.
2. The outer supercooling air of crankcase, the noise is low, cools off crankcase, compression cylinder and eccentric wheel subassembly, to the cooling raise the efficiency that admits air, also plays the cooling action to the motor from taking radiator fan simultaneously, mainly for convulsions cooling.
3. Use the skeleton oil blanket of fluororubber material between crankcase and motor rotor axle, the skeleton oil blanket adopts back to back, and the structure of middle storage lubricating grease, sealed effect is good, and protection level is high, and the noise is low, and it is more smooth and easy that there is grease lubrication between axle and oil blanket, reduces frictional resistance.
4. The crankcase and the motor are connected by a plurality of bolts, so that the connection strength is high.
5. The bearing pin of the piston assembly adopts an oiling structure, a lubricating oil hole is formed in the center of the bearing pin to store oil, two sides of the bearing pin are plugged, and an oil nozzle is arranged in the bearing pin, so that oiling can be conveniently carried out. The piston pin and the piston head are positioned and assembled by adopting transition fit and screws.
6. The crankcase outer layer box body uses the wind scooper made of fireproof materials, and the noise reduction and wind guiding effects are achieved. The end cover of the crankcase is provided with a foreign matter discharge port for discharging particulate matters falling from the top of the compression cylinder.
7. The cylinder body of cylinder adopts a plurality of spaced ribs, and the radiating effect is better.
8. The damping bottom plate of the layout of stepping down is adopted to the bottom plate, and the damping effect of the oil-free air compressor is greatly improved.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
fig. 1 is a schematic view of a three-dimensional exploded structure of the oil-free air compressor of the present invention;
fig. 2 is a schematic view of the combined state three-dimensional structure of the oil-free air compressor of the present invention;
fig. 3 is a schematic view of the structure of the oil-free air compressor of the present invention;
FIG. 4 is a schematic cross-sectional view of the crankcase of the present invention;
fig. 5 is a schematic cross-sectional view of a piston assembly according to an embodiment of the present invention;
fig. 6 is a schematic perspective view of a piston assembly according to an embodiment of the present invention;
fig. 7 is a schematic perspective exploded view of a piston assembly according to an embodiment of the present invention;
fig. 8 is a schematic perspective exploded view of a piston assembly according to an embodiment of the present invention;
fig. 9 is a schematic perspective exploded view of a piston assembly according to an embodiment of the present invention;
fig. 10 is a schematic perspective exploded view of a second piston assembly according to an embodiment of the present invention;
fig. 11 is a schematic perspective exploded view of a three-piston assembly according to an embodiment of the present invention;
fig. 12 is a schematic perspective exploded view of a piston assembly according to an embodiment of the present invention;
fig. 13 is a schematic top view of the compression cylinder body of the present invention;
fig. 14 is a front view structure diagram of the compression cylinder body of the present invention.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention clearer and more obvious, the following description of the present invention with reference to the accompanying drawings and embodiments is provided for further details. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
In the claims, the specification and the drawings, unless otherwise expressly limited, the terms "first," "second," or "third," etc. are used for distinguishing between different elements and not for describing a particular sequence.
In the claims, the specification and the drawings, unless otherwise expressly limited, to the extent that directional terms such as "center", "lateral", "longitudinal", "horizontal", "vertical", "top", "bottom", "inner", "outer", "upper", "lower", "front", "rear", "left", "right", "clockwise", "counterclockwise" and the like are used, the positional or orientational relationships illustrated in the drawings are based on the positional and orientational relationships illustrated in the drawings and are merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the present invention in any way.
In the claims, the description and the drawings of the present application, unless otherwise expressly limited, the term "fixedly connected" or "fixedly connected" is used, which is to be understood broadly, that is, any connection mode without displacement relation or relative rotation relation between the two, that is, including non-detachably fixed connection, integrated connection and fixed connection through other devices or elements.
In the claims, the specification and the drawings, the terms "including", "comprising" and variations thereof, if used, are intended to be inclusive and not limiting.
Referring to fig. 1 to 3, the oil-free air compressor of the present invention includes a motor 10, a crankcase 20, a compression cylinder 30 assembled on the crankcase 20, and a damping bottom plate 40. The crankcase 20 is connected with the motor 10 by a plurality of bolts, and the connection strength is high. In the present embodiment, the crankcase 20 and the motor are fixedly locked with the end cover of the motor 10 by eight bolts.
The utility model discloses vibration damping bottom plate 40 includes upper plate 41, lower plate 42, still includes the rubber shock pad 43 of fixing between upper plate 41 and lower plate 42. The motor 10 is fixed on the upper base plate 41, and the damping effect of the oil-free air compressor is greatly improved.
As shown in fig. 4, the crankcase 20 of the present invention is provided with a motor rotor shaft through hole 21, the motor 10 drives the motor rotor shaft 11, the motor rotor shaft 11 passes through the motor rotor shaft through hole 21 to assemble an eccentric wheel assembly 50, and a heat dissipation fan 60 is installed on the motor rotor shaft 11 at the other side of the motor rotor shaft through hole 21.
In order to ensure the assembly tightness of the motor rotor shaft 11 and the crankcase 20, a back-to-back mounting mode of the left and right framework oil seals 71 and 72 is adopted between the motor rotor shaft 21 and the crankcase 20. Specifically, the marking planes of the left frame oil seal 71 and the right frame oil seal 72 are installed in opposite directions to form a back-to-back installation mode. The motor rotor shaft passing hole 21 is composed of left and right oil seal housing holes 211 and 212, and a lubricating oil hole 213 formed between the left and right oil seal housing holes 211 and 212. Lubricating grease A is stored in the lubricating oil hole 213, the left and right framework oil seals 71 and 72 are sleeved on the motor rotor shaft 11 and are respectively installed in the left and right oil seal seat holes 211 and 212 in a corresponding tight fit mode, and therefore the lubricating oil hole 213 is completely sealed. The sealing effect is good, the protection level is high, the noise is low, grease lubrication is smoother between the motor rotor shaft 11 and the left and right framework oil seals 71 and 72, and the friction resistance is reduced. The rubber material layer on the surface of the framework oil seal is changed into a fluorine rubber material layer which is more oxidation-resistant and corrosion-resistant, so that the sealing performance of the framework oil seal is further improved.
A heat dissipation fan 60 rotating together with the motor rotor shaft is mounted on the shaft section between the skeleton oil seal and the motor 10, and the motor rotor shaft 11 drives the heat dissipation fan 60 to rotate in the crankcase 20. The built-in radiating fan works stably and reliably, and abandons the structure of an external independent radiating fan in the prior art, so that the complete machine fault points of the oilless air compressor can be reduced, and the energy consumption is reduced.
The compression cylinder 30 provided in the crankcase 20 of the present invention includes a cylinder block 31 and a piston assembly 32 assembled in the cylinder block 31. The crankcase 20 is provided with a fireproof air guiding cover 22 corresponding to the mounting positions of the piston assembly 32 and the heat dissipation fan 60, and the fireproof air guiding cover 22 and the end cover 23 arranged on the crankcase 20 form an outer casing body of the crankcase 20, so that wind energy generated by the work of the heat dissipation fan 60 cannot be disorderly and disorderly struggled, the wind energy can be more concentrated to a preset air duct, and the heat dissipation efficiency is improved. The fireproof wind scooper 22 is made of fireproof flame-retardant material prepared from ABS plastic, and has the functions of noise reduction and wind guiding. The fireproof wind scooper 22 is composed of an upper cover 221 and a lower cover 222. An exhaust port 231 is formed in the end cap 23 to exhaust particles falling from the top of the piston assembly 32.
Referring to fig. 5 and 6, the piston assembly 32 of the present invention includes a piston head 321, and a piston rod 322, a needle bearing 323 and a bearing pin 324 mounted in the piston head 321. The needle bearing 324 is tightly fitted on the piston rod 322, and the piston rod 322 is fixedly arranged in the piston head 321. The utility model discloses piston head 321 is equipped with mounting hole 325, bearing pin 324 wears to establish on needle bearing 323, and transition fit is in piston head 321's mounting hole 325 to fasten on piston head 321 with screw 326. The bearing pin 324 and the needle bearing 323 are arranged back to back by adopting a left and right framework oil seals 81 and 82. Specifically, the marking planes of the left frame oil seal 81 and the right frame oil seal 82 are installed in opposite directions to form a back-to-back installation mode.
Referring to the piston assembly 32 shown in fig. 5 to 12, the bearing pin 324 of the present invention is hollow to form an oil storage hole 3241 for storing oil, and a nozzle 3242 communicated with the oil storage hole 3241 is disposed on a wall of the oil storage hole 3241.
The utility model discloses oil storage hole 3241 can be for only one end open-ended oil groove, also can be the equal open-ended logical groove in both ends.
In the first embodiment shown in fig. 5 to 8, the mounting hole 325 of the piston head 321 is a through hole; the oil storage hole 3241 has a structure with two open ends, and a pressure filling cup 327 is disposed at each of the two open ends to close the oil storage hole 3241. In the second embodiment shown in fig. 9 and 10, the two open ends of the oil storage hole 3241 are respectively provided with a plug 328 and a pressure filling oil cup 327 for sealing. In the third embodiment shown in fig. 5 to 8, the oil storage hole 3241 is open at one end, and a pressure filling oil cup 327 is provided at the open end for sealing. The utility model discloses adopt transition fit screw positioning assembly between piston pin 324 and piston head 321, improvement assembly efficiency that can be very big, the instrument of assembly use is simple common, adopt the hexagon socket head spanner can. And the piston head 321 is dimensioned so as not to deform as a result of assembly. Furthermore, the utility model discloses bearing pin 324 is equipped with built-in glib talker 3242, can give needle bearing 323 with grease through the grease gun, and then the effectual life who improves the bearing to improve piston assembly 32.
As shown in fig. 13 and 14, the peripheral wall of the cylinder 31 of the compression cylinder 30 of the present invention is provided with a plurality of ribs 311, and the plurality of ribs 311 are arranged at intervals, so that the heat dissipation area of the cylinder 31 can be greatly increased under the condition of small volume increase, and the heat dissipation capability of the cylinder 31 is stronger.
While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (10)
1. An oilless air compressor with a radiating fan is characterized by comprising a motor (10) and a crankcase (20) connected with the motor (10); wherein,
the motor (10), the motor rotor shaft (11) is equipped with a heat radiation fan (60), the motor (10) drives the motor rotor shaft (11) to drive the heat radiation fan (60) to rotate in the crankcase (20);
the motor rotor shaft is characterized in that a motor rotor shaft through hole (21) is formed in the crankcase (20), the motor rotor shaft (11) is rotatably arranged in the motor rotor shaft through hole (21) in a penetrating mode, and left and right framework oil seals (71 and 72) are used for sealing between the motor rotor shaft (11) and the crankcase (20).
2. An oil-free air compressor with a radiator fan in accordance with claim 1, further comprising a compression cylinder (30) assembled to the crank case (20); the compression cylinder (30) comprises a piston assembly (32), the piston assembly (32) comprises a needle roller bearing (323) which is tightly matched with a piston connecting rod (322), and the piston connecting rod (322) is fixedly arranged in a piston head (321); a bearing pin (324) penetrates through the needle bearing (323) and is fixed in a transition fit manner in a mounting hole (325) formed in the piston head (321); the bearing pin (324) and the needle bearing (323) are sealed by adopting left and right framework oil seals (81 and 82); the bearing pin (324) is provided with an oil storage hole (3241) and an oil nozzle (3242) communicated with the oil storage hole (3241).
3. An oil-free air compressor with a radiator fan as claimed in claim 2, wherein the compression cylinder (30) further comprises a cylinder body (31), the piston assembly (32) being installed in the cylinder body (31); the periphery wall of the cylinder body (31) is provided with a plurality of ribs (311), and the plurality of ribs (311) are arranged at intervals.
4. An oil-free air compressor with a radiator fan as claimed in claim 2 or 3, wherein the crankcase (20) is provided with a fireproof wind scooper (22) corresponding to the installation positions of the piston assembly (32) and the radiator fan (60).
5. The oil-free air compressor with the heat radiating fan as claimed in claim 4, wherein the crankcase (20) is provided with an end cover (23), and the end cover (23) and the fireproof air guiding cover (22) form an outer casing of the crankcase (20); the end cover (23) is provided with a trash outlet (231).
6. An oil-free air compressor with a heat radiating fan as claimed in claim 1, 2 or 3, further comprising a damping bottom plate (40), wherein the damping bottom plate (40) comprises an upper bottom plate (41) and a lower bottom plate (42), and a rubber damping pad (43) is disposed between the upper bottom plate (41) and the lower bottom plate (42).
7. The oil-free air compressor with the heat radiating fan as claimed in claim 4, further comprising a damping bottom plate (40), wherein the damping bottom plate (40) comprises an upper bottom plate (41) and a lower bottom plate (42), and a rubber damping pad (43) is disposed between the upper bottom plate (41) and the lower bottom plate (42).
8. An oil-free air compressor with a radiator fan as claimed in claim 1, 2 or 3, wherein the surface rubber material layers of the left and right frame oil seals (71, 72) and the left and right frame oil seals (81, 82) are made of fluoro-rubber material.
9. An oil-free air compressor with a radiator fan as claimed in claim 4, wherein the surface rubber material layers of the left and right frame oil seals (71, 72) and the left and right frame oil seals (81, 82) are made of fluoro rubber material layers.
10. An oil-free air compressor with a heat radiating fan as claimed in claim 1, 2 or 3, wherein the crankcase (20) and the motor (10) are connected by a plurality of bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820692553.1U CN208778172U (en) | 2018-05-10 | 2018-05-10 | A kind of oilless air compressor of included radiator fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820692553.1U CN208778172U (en) | 2018-05-10 | 2018-05-10 | A kind of oilless air compressor of included radiator fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208778172U true CN208778172U (en) | 2019-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820692553.1U Active CN208778172U (en) | 2018-05-10 | 2018-05-10 | A kind of oilless air compressor of included radiator fan |
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| Country | Link |
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| CN (1) | CN208778172U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412737A (en) * | 2018-05-10 | 2018-08-17 | 厦门闳图盛道科技有限公司 | A kind of oilless air compressor of included radiator fan |
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2018
- 2018-05-10 CN CN201820692553.1U patent/CN208778172U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412737A (en) * | 2018-05-10 | 2018-08-17 | 厦门闳图盛道科技有限公司 | A kind of oilless air compressor of included radiator fan |
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