CN207073449U - A kind of oil-free twin-tub air compressor machine - Google Patents
A kind of oil-free twin-tub air compressor machine Download PDFInfo
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- CN207073449U CN207073449U CN201720742339.8U CN201720742339U CN207073449U CN 207073449 U CN207073449 U CN 207073449U CN 201720742339 U CN201720742339 U CN 201720742339U CN 207073449 U CN207073449 U CN 207073449U
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Abstract
The utility model refers in particular to a kind of oil-free twin-tub air compressor machine, belong to air compressor machine technical field, including air accumulator and compression cylinder component, compression cylinder component is made up of dual-axle motor and two cylinders, two air cylinder structures are identical, and two are connected by connecting tube between cylinder, connecting rod is provided with the cylinder, connecting rod one end and the driving axis connection of dual-axle motor, the other end is provided with piston, guide ring is provided between the end of the connecting rod and piston, the cylinder upper end is provided with valve plate, the lower surface of the valve plate is provided with air-intake valve plate, upper surface is provided with outlet valve block, limited block is provided with above the outlet valve block, the stroke of the outlet valve block is less than the stroke of air-intake valve plate, radiating ribs are provided with the outside of the cylinder body of the cylinder.The utility model can improve pressure value, and by the radiating of cylinder itself, effectively prevent and burst because cylinder block temperature is too high, improve security, and extend service life.
Description
Technical field
The utility model belongs to air compressor machine technical field, is related to a kind of air compressor machine for improving compression ratio, refers in particular to a kind of oil-free
Twin-tub air compressor machine.
Background technology
The operation principle of air compressor machine generally directly drives compressor by motor, bent axle is produced rotary motion, drives
Connecting rod makes piston produce reciprocating motion, causes volume of cylinder to change.Due to the change of inner pressure of air cylinder, air is made by intake valve
Enter cylinder by air cleaner (silencer), in compression travel, due to the diminution of volume of cylinder, compressed air is by row
The effect of air valve, through blast pipe, check valve (check-valves) enters air accumulator, when pressure at expulsion reaches rated pressure 0.7MPa by
Pressure switch controls and autostop.When reservoir pressure is down to 0.5--0.6MPa, pressure switch couples startup automatically.
Conventional air compressor machine in the market, the pressure of maximum is produced probably in 8.6Kg/c ㎡, if it is desired to improve pressure
Value is, it is necessary to improve compression ratio, and pressure rise can allow the density of gas to become big, and intermolecular distance also just diminishes, and temperature also can
Rise, easily makes cylinder burst, and in order to avoid the generation of accident, the mode of the two-stage compression of generally use improves pressure, has
Body mode of operation is that gas enters in the first cylinder, after compression, into the second cylinder, passes through secondary further pressure
The pressure value of gas is improved after contracting, then the gas after compression is passed through in air accumulator, is every grade of stream the shortcomings which
Amount is less than normal, reaches specified pressure value duration, efficiency is low.
The content of the invention
The purpose of this utility model be to provide it is a kind of by one stage of compression with regard to the oil-free twin-tub air compressor machine of pressure value can be improved.
What the purpose of this utility model was realized in：A kind of oil-free twin-tub air compressor machine, including air accumulator and compression cylinder group
Part, compression cylinder component are made up of dual-axle motor and two cylinders, and two air cylinder structures are identical, and pass through connecting tube between two cylinders
Connection, wherein, the driving axis connection of connecting rod, connecting rod one end and dual-axle motor is provided with the cylinder, the other end is provided with work
Plug, guide ring is provided between the end of the connecting rod and piston, and can improve connecting rod in cylinder by guide ring back and forth transports
Dynamic efficiency, abrasion is reduced, the cylinder upper end is provided with valve plate, and the lower surface of the valve plate is provided with air-intake valve plate, upper end
Face is provided with outlet valve block, and limited block is provided with above the outlet valve block, and the stroke of the outlet valve block is less than intake valve
The stroke of piece, gas outlet when outlet valve block is opened are less than air inlet when air-intake valve plate is opened, the cylinder body outside of the cylinder
It is provided with radiating ribs.
In order to accelerate the radiating of cylinder, casing is provided with outside the cylinder, fan and crank are provided with the casing,
The drive shaft of the dual-axle motor is connected with fan and crank, and the crank is connected with the connecting rod.
The piston can produce noise during acting, so being provided with noise reduction on the air inlet of the casing
Device, air enter cylinder by muffler.
For security consideration, pressure control device is provided with the air accumulator, both are connected by off-load pipe, the pressure
Force control device includes pressure gauge, pressure switch, safety valve and vent valve, and the safety valve and vent valve are arranged on the pressure
In switch.Controlled and autostop by pressure switch when pressure at expulsion reaches rated pressure, pressed when reservoir pressure is down to
The automatic connection of power switch starts.
After air is compressed, intermolecular distance can diminish, and the aqueous vapor in air can also be condensed into liquid because of compression, described
The bottom of the air accumulator is provided with draining valve, can periodically by air accumulator water discharge, it is ensured that air accumulator safety with
And more useful spaces.
The utility model is prominent and beneficial compared with prior art to be had the technical effect that：In the effective stroke of piston, due to
Gas outlet when outlet valve block is opened is less than air inlet when air-intake valve plate is opened, and the gas flow into air accumulator diminishes, and
Gas compressed unit quantity is identical, so that the pressure that gas enters air accumulator increases, has reached the purpose for improving pressure value,
And by the radiating of cylinder itself, it effectively prevent and burst because cylinder block temperature is too high, improve security, and extend
Service life.
Brief description of the drawings
Fig. 1 is exploded perspective view of the present utility model；
In figure：1- fan housings, 2- fans, 3- left box bodies, 4- connecting rods, 5- guide rings, 6- pistons, 7- cylinders, 8- cylinder seals
Circle, 9- cylinder cap sealing rings, 10- cylinder caps, 11- mufflers, 12- connecting tubes, 13- elbows, 14- limited blocks, 15- outlet valve blocks, 16-
Valve plate, 17- air-intake valve plates, 18- radiating ribs, 19- cranks, 20- right cases, 21- stators, 22- rotors, 23- air accumulators, 24- are high
Pressure pipe, 25- off-load pipes, 26- triple valves, 27- pressure gauges, 28- safety valves, 29- pressure switches, 30- vent valves, 31- castors,
32- castor screws, 33- draining valves, 34- foots pad, 35- foot pad bolts.
Embodiment
The utility model is further described with specific embodiment below in conjunction with the accompanying drawings, referring to Fig. 1：A kind of oil-free twin-tub
Air compressor machine, including air accumulator 23 and compression cylinder component, the bottom end of the air accumulator 23 are provided with foot pad 34, pass through foot pad spiral shell
Bolt 35 is fixed on air accumulator 23, and the other end is provided with castor 31, and is fixed on the bottom of air accumulator 23 by castor screw 32
On support, compression cylinder component is made up of dual-axle motor and two cylinders 7, and dual-axle motor includes rotor 22 and stator 21, two gas
The structure of cylinder 7 is identical, and inside need not add lubricating oil, and is separately mounted in left box body 3 and right case 20, and two cylinders 7 it
Between connected by connecting tube 12.
Wherein, fan 1 and crank 19, the driving of the dual-axle motor are provided with the left box body 3 and right case 20
Axle is extended in left box body 3 and right case 20 to both sides respectively, and is connected with fan 1 and crank 19, is provided with the cylinder 7
Connecting rod 4, the one end of connecting rod 4 are connected with being provided with the crank 19 of bearing, and the other end is provided with piston 6, the end of the connecting rod 4 and work
Guide ring 5 is provided between plug 6, the reciprocating efficiency in cylinder 7 of connecting rod 4 can be improved by guide ring 5, reduce mill
Damage, the upper end of cylinder 7 are provided with valve plate 16, and cylinder seal circle 8 is provided with valve plate 16, and the lower surface of the valve plate 16 is set
There is air-intake valve plate 17, upper surface is provided with outlet valve block 15, when piston 6 does work, air-intake valve plate 17 and the meeting of outlet valve block 15
Alternately open and close, the top of the outlet valve block 15 is provided with limited block 14, the stroke of the outlet valve block 15 be less than into
The stroke of air valve plate 17, gas outlet when outlet valve block 15 is opened are less than air inlet when air-intake valve plate 17 is opened, the cylinder 7
Cylinder body on the outside of be provided with radiating ribs 18, can in time by piston 6 do work caused by heat dissipate.Piston 6 moves to down only
During point, 17 descending opening of air-intake valve plate, outlet valve block 15 is closed, when piston 6 moves to top dead centre, the gas quilt in cylinder 7
Compression, air-intake valve plate 17 are closed, 15 up opening of outlet valve block, due to the effect of limited block 14, the up row of outlet valve block 15
Journey shortens, and gas outlet is less than the air inlet of air-intake valve plate 17, and the flow that gas is compressed into air accumulator 23 diminishes, so as to improve
The pressure of gas, Pass through above-mentioned technical proposal can bring up to pressure value 14Kg/c ㎡, and two cylinders 7 are alternately done
Work(, efficiency can be greatly improved.
Left box body 3 and right case 20 upper end is provided with cylinder cap 10, and cylinder cap sealing ring 9 is lined with cylinder cap 10, described
Muffler 11 is installed, air enters in cylinder 7 after the filtering of muffler 11 on the air inlet of cylinder cap 10.Set on cylinder cap 10
There is gas outlet, elbow 13 is installed on gas outlet, and connected by high-voltage tube 24 with air accumulator 23, is provided with air accumulator 23
Triple valve 26, high-voltage tube 24 are connected with triple valve 26, and triple valve 26 is check valve, can only be along threeway by the gas of high-voltage tube 24
Valve 26 enters in air accumulator 23, and the another port of triple valve 26 is connected with off-load pipe 25, and pressure is provided with the air accumulator 23
Control device, both are connected by off-load pipe 25, and the pressure control device includes pressure gauge 27, pressure switch 29, safety valve
28 and vent valve 30, the safety valve 28 and vent valve 30 are arranged in the pressure switch 29.When pressure at expulsion reaches maximum
Control safety valve 28 to start and autostop by pressure switch 29 at 1.1 times of pressure value, pressed when the pressure of air accumulator 23 declines
Automatically connection starts power switch 29, and piston 6 starts to do work, and pressure is supplemented into air accumulator 23.
In order to facilitate the ponding in discharge air accumulator 23, its bottom is provided with draining valve 33.
Above-described embodiment is only preferred embodiment of the present utility model, not limits protection model of the present utility model according to this
Enclose, therefore：All equivalence changes done according to structure of the present utility model, shape, principle, all should be covered by protection of the present utility model
Within the scope of.
Claims (5)
1. a kind of oil-free twin-tub air compressor machine, including air accumulator and compression cylinder component, compression cylinder component is by dual-axle motor and two gas
Cylinder forms, and two air cylinder structures are identical, and are connected between two cylinders by connecting tube, it is characterised in that：Set in the cylinder
Have a driving axis connection of connecting rod, connecting rod one end and dual-axle motor, the other end is provided with piston, the end and piston of the connecting rod it
Between be provided with guide ring, the cylinder upper end is provided with valve plate, and the lower surface of the valve plate is provided with air-intake valve plate, and upper surface is set
Outlet valve block is equipped with, limited block is provided with above the outlet valve block, the stroke of the outlet valve block is less than air-intake valve plate
Stroke, the cylinder body outside of the cylinder are provided with radiating ribs.
A kind of 2. oil-free twin-tub air compressor machine according to claim 1, it is characterised in that：Case is provided with outside the cylinder
Body, be provided with fan and crank in the casing, the drive shaft of the dual-axle motor is connected with fan and crank, the crank with
The connecting rod connection.
A kind of 3. oil-free twin-tub air compressor machine according to claim 2, it is characterised in that：Set on the air inlet of the casing
There is muffler.
A kind of 4. oil-free twin-tub air compressor machine according to claim 1 or 2, it is characterised in that：It is provided with the air accumulator
Pressure control device, both are connected by off-load pipe, the pressure control device include pressure gauge, pressure switch, safety valve and
Vent valve, the safety valve and vent valve are arranged in the pressure switch.
A kind of 5. oil-free twin-tub air compressor machine according to claim 1 or 2, it is characterised in that：The bottom of the air accumulator is set
It is equipped with draining valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720742339.8U CN207073449U (en) | 2017-06-24 | 2017-06-24 | A kind of oil-free twin-tub air compressor machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720742339.8U CN207073449U (en) | 2017-06-24 | 2017-06-24 | A kind of oil-free twin-tub air compressor machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207073449U true CN207073449U (en) | 2018-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720742339.8U Active CN207073449U (en) | 2017-06-24 | 2017-06-24 | A kind of oil-free twin-tub air compressor machine |
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| CN (1) | CN207073449U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143483A (en) * | 2017-06-24 | 2017-09-08 | 浙江永源机电制造有限公司 | A kind of oil-free twin-tub air compressor machine |
-
2017
- 2017-06-24 CN CN201720742339.8U patent/CN207073449U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143483A (en) * | 2017-06-24 | 2017-09-08 | 浙江永源机电制造有限公司 | A kind of oil-free twin-tub air compressor machine |
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