CN208441987U - A kind of oilless air compressor - Google Patents
A kind of oilless air compressor Download PDFInfo
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- CN208441987U CN208441987U CN201820692075.4U CN201820692075U CN208441987U CN 208441987 U CN208441987 U CN 208441987U CN 201820692075 U CN201820692075 U CN 201820692075U CN 208441987 U CN208441987 U CN 208441987U
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- air compressor
- crankcase
- oilless air
- piston
- motor
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Abstract
The utility model discloses a kind of oilless air compressor, wherein 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.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 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 air compressor machine technical fields, more particularly to a kind of oilless air compressor.
Background technique
Currently, oilless air compressor in the market mostly uses greatly the cooling structure of external fan, not only whole components are more, knot
The disadvantages of structure is complicated, and manufacturing cost is high, and cooling effect is also undesirable, and it is big that there is also noises, energy consumption, the service life is short；
Moreover the external fan cooling structure that the prior art uses, it is to assemble fan in motor song the tip of the axis, in this way
As degree of protection it is not high, fan needs to match the structures such as eccentric shaft, causes vibration big, noise is big；
In addition, the oil-free structure of piston pin there is also the service life it is short the disadvantages of.
Utility model content
In view of the problems of the existing technology, the utility model provides a kind of oilless air compressor.The oilless air compressor complete machine
Compact-sized, assembly is simple, and manufacturing cost is low；And cooling effect is good, good damping effect, low noise is more energy saving, and the service life is more
It is long.
To reach above-mentioned purpose, the utility model adopts the following technical solution:
A kind of oilless air compressor, including motor, and connect the crankcase of the motor；It further include the pressure being assemblied on crankcase
Contracting cylinder, the compression cylinder include piston component, and piston component includes the needle bearing with piston rod tight fit, the piston
Connecting rod is installed in a piston head；One bearing pin is threaded through on the needle bearing, and transition fit is fixed on piston head and sets
In some mounting holes.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 storage
Oilhole is additionally provided with the oil nozzle communicated with the oil storage hole.
A kind of oilless air compressor as described above, the compression cylinder further includes having a cylinder body, the piston component installing
In the cylinder body；Cylinder body periphery wall is equipped with multiple ribs, multiple rib interval settings.
A kind of oilless air compressor as described above, the installation position that the crankcase corresponds to the piston component are equipped with fire prevention and lead
Fan housing is additionally provided with end cap on crankcase, and the end cap and fire prevention wind scooper constitute the container body of outer cover of crankcase；It is set on the end cap
There is an impurity discharging port.
A kind of oilless air compressor as described above, further includes having a damping bottom plate, and damping bottom plate includes upper plate, bottom
Plate is equipped with Rubber shock-absorbing pad between upper plate and lower plate.
A kind of oilless air compressor as described above, the rubber surface material layers of the left and right outside framework oil seal part are all made of fluorine
Rubber material layer.
A kind of oilless air compressor as described above, is bolted between the crankcase and motor using more.
Compared to the prior art, technical solution provided by the utility model has the following beneficial effects:
1, piston component bearing pin using can Refuel structure, in bearing pin be equipped with centre open a lubricating oil
Hole, with oil storage rouge, bearing pin two sides are blocked, and built-in oil nozzle can be convenient oiling.Piston pin and piston head are added using transition fit
Screw positioning assembly.
2, crankcase outer-layer box body plays the role of noise reduction wind-guiding using the wind scooper of fire prevention material.On the end cap of crankcase
It is provided with an impurity discharging port, the particulate matter fallen at the top of compression cylinder is discharged.
3, the cylinder body of cylinder uses the rib at multiple intervals, better heat-radiation effect.
4, bottom plate greatly improves the damping effect of oilless air compressor using the damping bottom plate for layout of stepping down.
5, crankcase and rotor between centers use the outside framework oil seal of fluorubber material, and outside framework oil seal uses back-to-back, in
Between store the structure of lubricating grease, sealing effect is good, and degree of protection is high, and low noise has grease lubrication more smooth between axis and oil sealing,
Reduce frictional resistance.
6, it is bolted between crankcase and motor using more, bonding strength is high.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and constitutes one of the utility model
Point, the exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the utility model
Improper restriction.In the accompanying drawings:
Fig. 1 is the dimensional decomposition structure diagram of the utility model oilless air compressor；
Fig. 2 is the assembled state schematic perspective view of the utility model oilless air compressor；
Fig. 3 is the present invention looks up structural representation of the utility model oilless air compressor；
Fig. 4 is the schematic cross-sectional view of one piston component of the utility model embodiment；
Fig. 5 is the schematic perspective view of one piston component of the utility model embodiment；
Fig. 6 is the dimensional decomposition structure diagram one of one piston component of the utility model embodiment；
Fig. 7 is the dimensional decomposition structure diagram two of one piston component of the utility model embodiment；
Fig. 8 is the dimensional decomposition structure diagram one of two piston component of the utility model embodiment；
Fig. 9 is the dimensional decomposition structure diagram two of two piston component of the utility model embodiment；
Figure 10 is the dimensional decomposition structure diagram one of three piston component of the utility model embodiment；
Figure 11 is the dimensional decomposition structure diagram two of three piston component of the utility model embodiment；
Figure 12 is the overlooking structure diagram of the utility model compression cylinder cylinder body；
Figure 13 is the schematic view of the front view of the utility model compression cylinder cylinder body.
Specific embodiment
In order to be clearer and more clear technical problem to be solved in the utility model, technical solution and beneficial effect, with
Under in conjunction with the accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
Example is applied only to explain the utility model, is not used to limit the utility model.
In claims of the utility model, specification and above-mentioned attached drawing, unless otherwise specifically limited, term is such as used
" first ", " second " or " third " etc. is provided to distinguish different objects, be not use to describe a particular order.
In claims of the utility model, specification and above-mentioned attached drawing, unless otherwise specifically limited, for orientation
Word, such as using term " center ", " transverse direction ", " longitudinal direction ", "horizontal", " vertical ", "top", "bottom", "inner", "outside", "upper",
The indicating positions such as "lower", "front", "rear", "left", "right", " clockwise ", " counterclockwise " or positional relationship are based on shown in attached drawing
Orientation and positional relationship, and be merely for convenience of narration the utility model and simplify description, rather than indication or suggestion is signified
Device or element must have a particular orientation or be constructed and operated in a specific orientation, so can not be interpreted as limitation this
The specific protection scope of utility model.
In claims of the utility model, specification and above-mentioned attached drawing, unless otherwise specifically limited, term is such as used
" affixed " or " being fixedly connected ", should broadly understood, i.e., between the two without any company of displacement relation and relative rotation relationship
Connect mode, that is to say, that including being unremovably fixedly connected with, being removably secured connection, be linked together and by other dresses
It sets or element is fixedly connected.
In claims of the utility model, specification and above-mentioned attached drawing, such as using term " includes ", " having " and
Their deformation, it is intended that " including but not limited to ".
It please refers to Fig.1 to Fig.3, the utility model oilless air compressor includes motor 10, crankcase 20, and is assemblied in crankcase
Compression cylinder 30 on 20 further includes having a damping bottom plate 40.It is bolted between the crankcase 20 and motor 10 using more,
Bonding strength is high.In the present embodiment, crankcase 20 and motor are by the fixed locking of the end cap of eight bolts and motor 10.
The utility model damping bottom plate 40 includes upper plate 41, lower plate 42, further includes being fixed on upper plate 41 and bottom
Rubber shock-absorbing pad 43 between plate 42.The motor 10 is fixed on the upper plate 41, greatly improves subtracting for oilless air compressor
Shake effect.
The compression cylinder 30 installed on the utility model crankcase 20 includes cylinder body 31 and the piston being assemblied in cylinder body 31
Component 32.The installation position of the corresponding piston component 32 of the crankcase 20 and radiator fan 60 is equipped with fire prevention wind scooper 22, should
Fire prevention wind scooper 22 and the end cap 23 that is equipped with of crankcase 20 constitute the container body of outer cover of crankcase 20, make wind energy will not around string,
What can more be concentrated walks toward preset ventilating duct, improves radiating efficiency.The fire prevention wind scooper 22 is redeployed using ABS plastic
Applied fireproofing plays the role of noise reduction wind-guiding.The fire prevention wind scooper 22 is made of upper and lower cover 221,222.In on end cap 23
An impurity discharging port 231 is offered, the particulate matter fallen at the top of piston component 32 is discharged.
Incorporated by reference to shown in Fig. 4 and Fig. 5, the utility model piston component 32 is including piston head 321 and is installed in the piston head
Piston rod 322, needle bearing 323 and bearing pin 324 in 321.The needle bearing 324 is a tight fit in piston rod 322
On, piston rod 322 is installed in piston head 321.The utility model piston head 321 is equipped with mounting hole 325, the bearing
Pin 324 is threaded through on needle bearing 323, and transition fit is fastened in the mounting hole 325 of piston head 321, and with screw 326
On piston head 321.Using the left and right installation back-to-back of outside framework oil seal part 81,82 between the bearing pin 324 and needle bearing 323
Mode.Specifically, the tag plane of left outside framework oil seal part 81 and right outside framework oil seal part 82 is installed in opposite directions, back-to-back to be formed
Mounting means.
Incorporated by reference to piston component 32 shown in Fig. 6 to Figure 11,324 inner hollow of the utility model bearing pin is used for being formed
The oil storage hole 3241 of oil storage rouge is equipped with the oil nozzle 3242 communicated with the oil storage hole 3241 in the hole wall of the oil storage hole 3241.
The utility model oil storage hole 3241 can be oil groove only open at one end, can also be the through slot that both ends are open.
In embodiment one as shown in Figures 4 to 7, the mounting hole 325 of piston head 321 is through-hole；Oil storage hole 3241 is two
The structure of end opening is respectively provided with a forced filling oil cup 327 in two open ends and blocks oil storage hole 3241.In Fig. 9 and reality shown in Fig. 10
It applies in example two, two open ends of oil storage hole 3241 are respectively equipped with plug 328 and forced filling oil cup 327 blocks.As shown in Fig. 5 to Fig. 8
Embodiment three in, oil storage hole 3241 be structure open at one end, in open end be equipped with a forced filling oil cup 327 closure.This is practical
Using the positioning assembly of transition fit screw between Novel piston pin 324 and piston head 321, assembly efficiency can be greatly improved, is assembled
The tool used is simply common, using allen wrench.And the size of piston head 321 will not cause to deform because of assembly.
In addition, the utility model bearing pin 324 is equipped with built-in oil nozzle 3242, it can give needle bearing 323 oiling rouge by grease gun, into
And the service life of bearing is effectively improved, to improve the service life of piston component 32.
Please be shown in Figure 12 and Figure 13,31 periphery wall of cylinder body of the utility model compression cylinder 30 is equipped with multiple ribs 311, more
The setting of a interval of rib 311 can greatly improve the heat dissipation area of cylinder body 31, make cylinder body in the case where volume increases lesser situation
31 heat-sinking capabilities are stronger.
The preferred embodiment of the utility model has shown and described in above description, as previously described, it should be understood that this is practical new
Type is not limited to forms disclosed herein, and should not be regarded as an exclusion of other examples, and can be used for various other groups
Conjunction, modification and environment, and above-mentioned introduction or the technology of related fields can be passed through within the scope of the inventive concept described herein
Or knowledge is modified.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the utility model, then
It all should be in the protection scope of the appended claims for the utility model.
Claims (9)
1. a kind of oilless air compressor, which is characterized in that including motor (10), and connect the crankcase (20) of the motor (10)；Also
Including the compression cylinder (30) being assemblied on crankcase (20), wherein
Compression cylinder (30), including piston component (32), piston component (32) include the needle roller with piston rod (322) tight fit
Bearing (323), the piston rod (322) are installed in a piston head (321)；One bearing pin (324) is threaded through the needle roller
On bearing (323), and transition fit is fixed in the mounting hole (325) that piston head (321) is equipped with；The bearing pin (324) with
It is sealed between needle bearing (323) using left and right outside framework oil seal part (81,82)；The bearing pin (324) is equipped with oil storage hole
(3241), it is additionally provided with the oil nozzle (3242) communicated with the oil storage hole (3241).
2. a kind of oilless air compressor as described in claim 1, which is characterized in that the compression cylinder (30) further includes having a cylinder
Body (31), the piston component (32) are installed in the cylinder body (31)；Cylinder body (31) periphery wall is equipped with multiple ribs (311), more
The setting of a rib (311) interval.
3. a kind of oilless air compressor as claimed in claim 1 or 2, which is characterized in that the corresponding piston of the crankcase (20)
The installation position of component (32) is equipped with fire prevention wind scooper (22), is additionally provided with end cap (23) on crankcase (20), the end cap (23) with
The container body of outer cover for wind scooper (22) composition crankcase (20) of preventing fires；An impurity discharging port (231) are equipped in the end cap (23).
4. a kind of oilless air compressor as claimed in claim 1 or 2, which is characterized in that further include having a damping bottom plate (40), subtract
Shake bottom plate (40) includes upper plate (41), lower plate (42), and rubber shock-absorbing is equipped between upper plate (41) and lower plate (42)
It pads (43).
5. a kind of oilless air compressor as claimed in claim 3, which is characterized in that further include having a damping bottom plate (40), damping
Bottom plate (40) includes upper plate (41), lower plate (42), and Rubber shock-absorbing pad is equipped between upper plate (41) and lower plate (42)
(43)。
6. a kind of oilless air compressor as claimed in claim 1 or 2, which is characterized in that the crankcase (20) and motor (10)
Between be bolted using more.
7. a kind of oilless air compressor as claimed in claim 3, which is characterized in that make between the crankcase (20) and motor (10)
It is bolted with more.
8. a kind of oilless air compressor as claimed in claim 4, which is characterized in that make between the crankcase (20) and motor (10)
It is bolted with more.
9. a kind of oilless air compressor as claimed in claim 5, which is characterized in that make between the crankcase (20) and motor (10)
It is bolted with more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820692075.4U CN208441987U (en) | 2018-05-10 | 2018-05-10 | A kind of oilless air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820692075.4U CN208441987U (en) | 2018-05-10 | 2018-05-10 | A kind of oilless air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208441987U true CN208441987U (en) | 2019-01-29 |
Family
ID=65094020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820692075.4U Active CN208441987U (en) | 2018-05-10 | 2018-05-10 | A kind of oilless air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208441987U (en) |
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2018
- 2018-05-10 CN CN201820692075.4U patent/CN208441987U/en active Active
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