CN208281137U - A kind of middle pressure, oilless air compressor - Google Patents
A kind of middle pressure, oilless air compressor Download PDFInfo
- Publication number
- CN208281137U CN208281137U CN201820621131.5U CN201820621131U CN208281137U CN 208281137 U CN208281137 U CN 208281137U CN 201820621131 U CN201820621131 U CN 201820621131U CN 208281137 U CN208281137 U CN 208281137U
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- pressure
- high pressure
- crankcase
- piston
- cylinder
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Abstract
The utility model relates to a kind of middle pressure, oilless air compressor, the compressor includes crankcase, a pair of low-pressure cylinder being disposed in parallel on crankcase and the oil-free high-pressure cylinder mechanism of the combined type being arranged on crankcase, and the oil-free high-pressure cylinder mechanism of the combined type includes the high pressure guiding cylinder component being arranged on crankcase, the high-pressure cylinder component being arranged on high pressure guiding cylinder component and the high-pressure connecting rod being arranged between crankcase and high pressure guiding cylinder component.Compared with prior art, the utility model is for common middle pressure air compressor, not only have many advantages, such as that delivery temperature is low, performance is stable, low in cost it is not necessary that machine oil, use and maintenance and repair are frequently added, and generated is 100% not oil-containing, pure compressed air, not needing subsequent processing i.e. may be directly applied to the industry that food, medical treatment etc. have high end compression air requirements, be to have pressure air compressor field in oil preferably to upgrade substitute products at present.
Description
Technical field
The utility model belongs to air compressor technical field, is related to a kind of middle pressure, oilless air compressor.
Background technique
Currently, in the market generally existing middle pressure air compressor be by commonly have oil lubrication air compressor retrofit and
At, not only oil consumption, delivery temperature are high, and performance is generally unstable, and frequently addition lubricating oil cause using, maintenance and repair at
This is also relatively high, and it is empty with high end compression to be mainly used in food, medical treatment etc. at present for pressure air compressor especially because in
The industry of gas demand is mainly used for production and production packet (tank) dress of such product packaging utensil, thus to the pure of compressed air
Cleanliness requires high, and compressed air caused by existing air compressor product is because of oil content, temperature drift, if without
Subsequent processing can not be used directly at all, and even across subsequent processing, it is also difficult to using standard requirements as defined in reaching, and
Investment, the use cost of subsequent processing device are also very high, even if increasing cost, ideal use can not be fully achieved and want
It asks.Although existing some oilless air compressor products can produce more pure compressed air, but generally existing
Relatively low (the only 8-10kgf/cm of pressure2) the problem of, user is unable to satisfy to using pressure (30-40kgf/cm2) standard want
Ask, thus urgently develop a kind of oil-free, middle pressure air compressor come the confession in pressure air compressor market in solving,
Need contradiction problem.
Utility model content
The purpose of this utility model is exactly to provide a kind of middle pressure, complete to overcome the problems of the above-mentioned prior art
Oil-free air compressor.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of middle pressure, oilless air compressor, the compressor include that crankcase, a pair are disposed in parallel on crankcase
Low-pressure cylinder and the oil-free high-pressure cylinder mechanism of combined type that is arranged on crankcase, the oil-free high-pressure cylinder mechanism of the combined type
Including the high pressure guiding cylinder component being arranged on crankcase, the high-pressure cylinder component being arranged on high pressure guiding cylinder component and set
Set the high-pressure connecting rod between crankcase and high pressure guiding cylinder component.Middle pressure is the tolerance of low-pressure cylinder generation using combination
The oil-free high-pressure cylinder mechanism of formula compresses generation again.
Further, high pressure guiding cylinder component includes the high pressure guide cylinder being arranged on crankcase, along axial shifting
The dynamic high pressure guide piston being arranged in high pressure guide cylinder and the guide piston ring being arranged on high pressure guide piston.Guiding is lived
Plug ring is convenient for the lubrication between high pressure guide piston and high pressure guide cylinder.
Further, the guide piston ring is polytetrafluoroethylene (PTFE) guide piston ring.The guiding of polytetrafluoroethylene (PTFE) material
Self-lubricating may be implemented in piston ring, does not need that machine oil is added.
Further, gudgeon pin shaft is equipped in the high pressure guide piston, the top of the high-pressure connecting rod is set in
On gudgeon pin shaft.High pressure guide piston is moved back and forth by the cooperation of gudgeon pin shaft and high-pressure connecting rod.
Further, needle bearing is equipped between the gudgeon pin shaft and high-pressure connecting rod, the both ends of the needle bearing are equal
Equipped with oil sealing.It is grease-added inside needle bearing, it does not need that machine oil is added.Oil sealing can be avoided lubricating grease and be lost damage needle roller axis
It holds.
Further, the high-pressure cylinder component includes the high-pressure cylinder being arranged on high pressure guide cylinder and along axial direction
The mobile high pressure piston being arranged in high-pressure cylinder, the bottom end of the high pressure piston is connected with the top of high pressure guide piston.
Further, the diameter of the high pressure piston is less than the diameter of high pressure guide piston.Because of high pressure guide piston
It is relatively large in diameter, efficiently solves the problems, such as not can guarantee the enough amplitudes of fluctuation of high-pressure connecting rod because high pressure piston diameter is small.
Further, the high pressure piston is equipped with high pressure piston compression ring and high pressure piston guide ring.High pressure piston gas
Ring and high pressure piston guide ring are all made of polytetrafluoroethylene (PTFE) material.High pressure piston has the characteristic of self-lubricating, has copper, graphite to play
Lubricating action, without adding oil lubricating；High pressure piston compression ring is mainly used for the work of the sealing between high pressure piston and high pressure gas casing wall
With guarantee compression effectiveness；High pressure piston guide ring is mainly used for fixed high pressure piston position and between high pressure gas casing wall
Lubricating action guarantees that high pressure piston along high-pressure cylinder axial-movement, avoids the abrasion between high pressure piston and high pressure gas casing wall.
Further, the bottom of the high pressure piston is circumferentially uniformly provided with multiple guide cylinder ventholes, described
The fenestra being connected with guide cylinder venthole is offered on crankcase.Guide cylinder venthole and high pressure piston inner hole and high pressure are oriented to
Piston tip circular hole is connected, for discharging because caused by differential between two-piston and high pressure piston compresses leaked pressure
Contracting air, the gas released are discharged through the fenestra of crankcase two sides.
Air Filter is equipped at the fenestra as a preferred technical solution,.Air Filter fenestra had both been avoided that dust entered
Its service performance service life is influenced in compressor, while can be dismantled again rear easy to repair.
Further, which further includes belt pulley, cooling fan over pulleys carried is arranged and is arranged in belt
Interstage cooler between wheel and crankcase.Cooling fan can guarantee interstage cooler and the oil-free high-pressure cylinder machine of combined type simultaneously
The heat dissipation effect of structure greatly reduces inlet and outlet temperature when the work of combined type oil-free high-pressure cylinder mechanism and whole device
Air outlet temperature.
The interstage cooler is plate-fin interstage cooler as a preferred technical solution,.
The utility model is in practical application, the compressed air generated by low-pressure cylinder, after interstage cooler is cooling again
The combined oil-free high-pressure cylinder mechanism second-compressed of formula is to 30-40kgf/cm2After be discharged into it is direct for user in dedicated air container
It uses.
Compared with prior art, the utility model has the following characteristics that
1) the utility model is for common middle pressure air compressor, not only has that delivery temperature is low, performance
Stablize, without frequently be added machine oil, use and maintenance and repair are low in cost the advantages that, and it is generated be 100% not oil-containing,
Pure compressed air, not needing subsequent processing i.e. may be directly applied to the row that food, medical treatment etc. have high end compression air requirements
Industry is that have pressure air compressor field in oil preferably to upgrade substitute products at present；
2) self-lubricating may be implemented in the guide piston ring of polytetrafluoroethylene (PTFE) material, and oiling rouge inside needle bearing does not need to add
Machine oil.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of the utility model；
Fig. 2 is the left view structural representation of the utility model；
Description of symbols in figure:
1-crankcase, 2-fenestras, 3-low-pressure cylinders, 4-high pressure guide cylinders, 5-high pressure guide pistons, 6-piston pins
Axis, 7-guide piston rings, 8-high-pressure cylinders, 9-high pressure piston compression rings, 10-high pressure piston guide rings, 11-high pressure pistons,
12-guide cylinder ventholes, 13-needle bearings, 14-oil sealings, 15-belt pulleys, 16-high-pressure connecting rods, 17-cooling fans,
18-interstage coolers.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.The present embodiment is with the utility model
Implemented premised on technical solution, the detailed implementation method and specific operation process are given, but the guarantor of the utility model
Shield range is not limited to the following embodiments.
Embodiment:
A kind of middle pressure as shown in Figure 1 and Figure 2, oilless air compressor include that crankcase 1, a pair are disposed in parallel in
Low-pressure cylinder 3 on crankcase 1 and the oil-free high-pressure cylinder mechanism of combined type being arranged on crankcase 1, the combined type are oil-free
High-pressure cylinder mechanism includes the high pressure guiding cylinder component being arranged on crankcase 1, the high pressure being arranged on high pressure guiding cylinder component
Cylinder assembly and the high-pressure connecting rod 16 being arranged between crankcase 1 and high pressure guiding cylinder component.
Wherein, high pressure guiding cylinder component include the high pressure guide cylinder 4 being arranged on crankcase 1, be axially moveable setting exist
High pressure guide piston 5 in high pressure guide cylinder 4 and the guide piston ring 7 being arranged on high pressure guide piston 5.Guide piston ring
7 be polytetrafluoroethylene (PTFE) guide piston ring.
Gudgeon pin shaft 6 is equipped in high pressure guide piston 5, the top of high-pressure connecting rod 16 is set on gudgeon pin shaft 6.Piston pin
Needle bearing 13 is equipped between axis 6 and high-pressure connecting rod 16, the both ends of the needle bearing 13 are equipped with oil sealing 14.
High-pressure cylinder component includes the high-pressure cylinder 8 being arranged on high pressure guide cylinder 4 and is axially moveable setting in height
The bottom end of high pressure piston 11 in air cylinder 8, the high pressure piston 11 is connected with the top of high pressure guide piston 5.High pressure piston 11
Diameter be less than high pressure guide piston 5 diameter.High pressure piston 11 is equipped with high pressure piston compression ring 9 and high pressure piston guide ring
10.The bottom of high pressure piston 11 is circumferentially uniformly provided with multiple guide cylinder ventholes 12, offers on crankcase 1 and guide cylinder
The fenestra 2 that venthole 12 is connected.
The compressor further includes belt pulley 15, the cooling fan being arranged on belt pulley 15 17 and is arranged in belt pulley 15
Interstage cooler 18 between crankcase 1.
In practical application, the compressed air generated by low-pressure cylinder 3, the combined formula again after interstage cooler 18 is cooling
Oil-free high-pressure cylinder mechanism second-compressed is to 30-40kgf/cm2After be discharged into dedicated air container and directly used for user.
It can understand the above description of the embodiments is intended to facilitate those skilled in the art and use practical
It is novel.Person skilled in the art obviously easily can make various modifications to these embodiments, and illustrating herein
General Principle be applied in other embodiments without having to go through creative labor.Therefore, the utility model is not limited to above-mentioned
Embodiment, those skilled in the art's announcement according to the present utility model, do not depart from improvement that the utility model scope is made and
Modification should be all within the protection scope of the utility model.
Claims (10)
1. a kind of middle pressure, oilless air compressor, which is characterized in that the compressor includes crankcase (1), a pair of sets side by side
It sets in the low-pressure cylinder (3) on crankcase (1) and the oil-free high-pressure cylinder mechanism of combined type being arranged on crankcase (1), it should
The oil-free high-pressure cylinder mechanism of combined type includes the high pressure guiding cylinder component being arranged on crankcase (1), is arranged in high pressure guide cylinder
The high-pressure connecting rod (16) of high-pressure cylinder component and setting between crankcase (1) and high pressure guiding cylinder component on component.
2. a kind of middle pressure according to claim 1, oilless air compressor, which is characterized in that the high pressure is led
Include the high pressure guide cylinder (4) being arranged on crankcase (1), be axially moveable setting in high pressure guide cylinder (4) to cylinder component
High pressure guide piston (5) and guide piston ring (7) on high pressure guide piston (5) is set.
3. a kind of middle pressure according to claim 2, oilless air compressor, which is characterized in that the guiding is living
Plug ring (7) is polytetrafluoroethylene (PTFE) guide piston ring.
4. a kind of middle pressure according to claim 2, oilless air compressor, which is characterized in that the high pressure is led
Gudgeon pin shaft (6) are equipped with into piston (5), the top of the high-pressure connecting rod (16) is set on gudgeon pin shaft (6).
5. a kind of middle pressure according to claim 4, oilless air compressor, which is characterized in that the piston pin
Needle bearing (13) are equipped between axis (6) and high-pressure connecting rod (16), the both ends of the needle bearing (13) are equipped with oil sealing (14).
6. a kind of middle pressure according to claim 2, oilless air compressor, which is characterized in that the high pressure gas
Cylinder component includes the high-pressure cylinder (8) being arranged on high pressure guide cylinder (4) and is axially moveable setting in high-pressure cylinder (8)
High pressure piston (11), the bottom end of the high pressure piston (11) is connected with the top of high pressure guide piston (5).
7. a kind of middle pressure according to claim 6, oilless air compressor, which is characterized in that the high pressure is living
The diameter for filling in (11) is less than the diameter of high pressure guide piston (5).
8. a kind of middle pressure according to claim 6, oilless air compressor, which is characterized in that the high pressure is living
It fills in (11) and is equipped with high pressure piston compression ring (9) and high pressure piston guide ring (10).
9. a kind of middle pressure according to claim 6, oilless air compressor, which is characterized in that the high pressure is living
The bottom of plug (11) is circumferentially uniformly provided with multiple guide cylinder ventholes (12), and the crankcase is offered and led on (1)
The fenestra (2) being connected to cylinder venthole (12).
10. a kind of middle pressure according to claim 1, oilless air compressor, which is characterized in that the compressor also wraps
It includes belt pulley (15), the cooling fan (17) being arranged on belt pulley (15) and is arranged in belt pulley (15) and crankcase (1)
Between interstage cooler (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820621131.5U CN208281137U (en) | 2018-04-27 | 2018-04-27 | A kind of middle pressure, oilless air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820621131.5U CN208281137U (en) | 2018-04-27 | 2018-04-27 | A kind of middle pressure, oilless air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208281137U true CN208281137U (en) | 2018-12-25 |
Family
ID=64752316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820621131.5U Expired - Fee Related CN208281137U (en) | 2018-04-27 | 2018-04-27 | A kind of middle pressure, oilless air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208281137U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259668A (en) * | 2019-07-19 | 2019-09-20 | 浙江瑞昭科技股份有限公司 | A kind of piston type air compressor |
| CN113309687A (en) * | 2021-05-24 | 2021-08-27 | 瑞立集团瑞安汽车零部件有限公司 | Internal cooling water channel structure of air compressor and air compressor |
-
2018
- 2018-04-27 CN CN201820621131.5U patent/CN208281137U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259668A (en) * | 2019-07-19 | 2019-09-20 | 浙江瑞昭科技股份有限公司 | A kind of piston type air compressor |
| CN113309687A (en) * | 2021-05-24 | 2021-08-27 | 瑞立集团瑞安汽车零部件有限公司 | Internal cooling water channel structure of air compressor and air compressor |
| CN113309687B (en) * | 2021-05-24 | 2023-01-24 | 瑞立集团瑞安汽车零部件有限公司 | Inside cooling water course structure of air compressor machine and air compressor machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181225 |