CN207830244U - A kind of oil gas isolated form pneumohydraulic pressure-cylinder - Google Patents
A kind of oil gas isolated form pneumohydraulic pressure-cylinder Download PDFInfo
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- CN207830244U CN207830244U CN201820164726.2U CN201820164726U CN207830244U CN 207830244 U CN207830244 U CN 207830244U CN 201820164726 U CN201820164726 U CN 201820164726U CN 207830244 U CN207830244 U CN 207830244U
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Abstract
A kind of oil gas isolated form pneumohydraulic pressure-cylinder of the utility model, including pneumohydraulic pressure-cylinder and high pressure compressing cylinder, wherein：Pneumohydraulic pressure-cylinder includes by being pressurized middle cover mutually axial connection high-voltage oil cylinder and pressurized cylinder, it is pressurized middle cover axle center and is equipped with supercharging axis hole, wherein interspersed supercharging piston rod, high pressure compressing cylinder is equipped with pressure oil middle cover, supercharging middle cover is wholely set with pressure oil middle cover, between high pressure compressing cylinder and high-voltage oil cylinder be equipped with pressure oil oil circuit, its through pressure oil middle cover and supercharging middle cover be pressurized axis hole be connected to, supercharging piston rod seals pressure oil oil circuit when being pressurized in axis hole.The utility model provides a kind of oil gas isolated form pneumohydraulic pressure-cylinder, realizes the purpose for avoiding compressed air and hydraulic oil from contacting；Hydraulic oil in shoe cream room flow to oil transportation channel by logical oil-gap, realizes oil storage and send the purpose of oil；Sealing is realized while stretching by piston rod or opens the purpose of pressure oil oil circuit；It is avoided that pressurized cylinder automatic gas enters pressure oil oil circuit simultaneously, realizes the purpose of oil gas isolation.
Description
Technical field
The utility model is related to a kind of pneumohydraulic pressure-cylinder, especially a kind of oil gas isolated form pneumohydraulic pressure-cylinder.
Background technology
Pressurized cylinder is the housing structure in conjunction with cylinder and oil cylinder advantage and Curve guide impeller, the plunger rod contacts work package in cylinder
It leaves automatically afterwards, quick action, stable transmission, simple in structure, output adjustment is easy, installation is easy, occupied space is small, event
Barrier is few small without Wen Sheng, long lifespan and noise.
The defect of the following two types of pressurized cylinder generally existing in the prior art, specially：The first, for oil gas every
For release pressurized cylinder, though the function of oil gas isolation can be realized, it cannot enter extraneous in the course of work in cylinder body automatically
Air discharge, cause practical outputs to be greatly reduced, go out force-stroke shortening and cause pressurized cylinder can not complete set work；The
In two, for can for self-bleeding pressurized cylinder, though can realize automatic ventilating function, can not effectively by gas-liquid every
From air is present in hydraulic oil and can not be discharged, and causes hydraulic oil emulsion deterioration, the components corrosion such as cylinder body, end cap, piston old
Change, and cause rubber seals and other component by fast erosion, substantially reduces the service life of pressurized cylinder.
In addition, it should further be noted that when hydraulic oil of the existing various types pressurized cylinder in cylinder body is less than specified amount, it is somebody's turn to do
Type pressurized cylinder can not automatic repairing, need to repair repairing using auxiliary tool, this not only wastes the time, increases work
Work amount and maintenance cost is increased, returns user and bring prodigious financial burden.Therefore, how to solve the above problems, become urgently
Problem to be solved.
Utility model content
The utility model provides a kind of oil gas isolated form pneumohydraulic pressure-cylinder for problem above, realizes pneumohydraulic pressure-cylinder and height
The purpose that is wholely set of pressure compressing cylinder, realization avoid compressed air and hydraulic oil from contacting, to make the moisture in compressed air without
Method contact hydraulic oil avoids the emulsion of hydraulic oil.Hydraulic oil in shoe cream room flow to oil transportation channel by logical oil-gap,
It realizes oil storage and send the purpose of oil；Sealing is realized while stretching by piston rod or opens the purpose of pressure oil oil circuit；Simultaneously
It is avoided that pressurized cylinder automatic gas enters pressure oil oil circuit, realizes the purpose of oil gas isolation.
In order to solve the above technical problems, a kind of oil gas isolated form pneumohydraulic pressure-cylinder, including pneumohydraulic pressure-cylinder and high pressure pressure oil
Cylinder, wherein：Pneumohydraulic pressure-cylinder includes by being pressurized middle cover mutually axial connection high-voltage oil cylinder and pressurized cylinder, and supercharging middle cover axle center is set
There are supercharging axis hole, wherein interspersed supercharging piston rod, high pressure compressing cylinder to be equipped with pressure oil middle cover, supercharging middle cover is integrally set with pressure oil middle cover
Set, between high pressure compressing cylinder and high-voltage oil cylinder be equipped with pressure oil oil circuit, its through pressure oil middle cover and supercharging middle cover be pressurized axis hole be connected to,
Supercharging piston rod seals pressure oil oil circuit when being pressurized in axis hole.
Due to the adoption of the above technical scheme, supercharging middle cover is wholely set the utility model with pressure oil middle cover, makes gas-liquid pressure-boosting
Cylinder and high pressure compressing cylinder are wholely set, and supercharging middle cover is equipped with pressure oil oil circuit with pressure oil middle cover, and supercharging middle cover axle center is equipped with supercharging
Axis hole, by pressure oil oil communication high pressure compressing cylinder and supercharging axis hole, the high pressure liquid pressure oil in high pressure compressing cylinder passes through pressure oil oil
Road flow to supercharging axis hole in flowing to high-voltage oil cylinder, is pressurized in axis hole and is interspersed with supercharging piston rod, makes the compression in pressurized cylinder
Air discord hydraulic oil contact, realizes that gas-liquid separation, the moisture in such compressed air can not just contact hydraulic oil to just keep away
The emulsion of hydraulic oil is exempted from；When supercharging piston rod wears supercharging axis hole, stretches into high-voltage oil cylinder, pressure oil oil circuit is sealed,
Hydraulic oil cannot flow to supercharging axis hole in pressure oil oil circuit.
A kind of above-mentioned oil gas isolated form pneumohydraulic pressure-cylinder, high pressure compressing cylinder include mutually axially being connected by pressure oil middle cover
Pressure oil oil cylinder and supercharging pressure oil cylinder, pressure oil middle cover axle center are equipped with pressure oil axis hole, wherein interspersed pressure oil piston rod.Pressure oil oil cylinder and
Pressure oil cylinder is connected by the way that pressure oil middle cover is mutually axial, and it is pressure oil axis hole that pressure oil piston rod, which interts pressure oil middle cover axle center,.
A kind of above-mentioned oil gas isolated form pneumohydraulic pressure-cylinder, pressure oil oil cylinder is arranged with pressure oil outer barrel, formation oil transportation therebetween is led to
Road, pressure oil cylinder lagging are equipped with oil storage outer barrel, form shoe cream room, pressure oil outer barrel and oil storage outer barrel therebetween and pass through pressure oil middle cover phase axis
To connection, oil transportation channel is connected to pressure oil oil circuit, and pressure oil axis hole is equipped with the preceding switching channel and connection oil transportation channel of connection shoe cream room
Rear switching channel, wall surface of the pressure oil piston rod in pressure oil axis hole when stretching motion, therebetween is in sealing cooperation and has between logical oil
Switch between gap.Pressure oil piston rod wears the pressure oil axis hole of pressure oil middle cover, and pressure oil axis hole is equipped with connection pressure oil cylinder shoe cream room
The rear switching channel of preceding switching channel and connection pressure oil oil cylinder oil transportation channel, pressure oil piston rod stretching motion in pressure oil axis hole,
When having logical oil-gap between pressure oil piston rod and pressure oil axis hole wall surface, switching is logical before the hydraulic oil in shoe cream room passes sequentially through
Road, logical oil-gap and rear switching channel flow to oil transportation channel, and the hydraulic oil in shoe cream room is made to flow to oil transportation channel, realize and send oil
Purpose；When sealing cooperation between pressure oil piston rod and pressure oil axis hole wall surface, preceding switching channel is not connected with rear switching channel,
Hydraulic oil in shoe cream room cannot flow to oil transportation channel, at the same time pressure oil piston rod drive pressure oil piston compression pressure oil oil cylinder and
Oil in oil transportation channel forms high pressure liquid pressure oil, and the high pressure liquid pressure oil in oil transportation channel is passed through pressure oil oil circuit and supercharging axis
Hole is delivered to high-voltage oil cylinder.
A kind of above-mentioned oil gas isolated form pneumohydraulic pressure-cylinder, pressure oil piston rod front end be equipped with undergauge end, remaining partly with pressure
Oily axis hole wall surface sealing cooperation, undergauge end when opposite with pressure oil axis hole, therebetween between wall surface formed unicom before switching channel and
The logical oil-gap of switching channel afterwards.When undergauge end is opposite with pressure oil axis hole, undergauge end switches before forming unicom with pressure oil axis hole
The logical oil-gap in channel and rear switching channel, hydraulic oil in shoe cream room pass sequentially through preceding switching channel, logical by Gravitative Loads
Oil-gap and rear switching channel flow to oil transportation channel.
A kind of above-mentioned oil gas isolated form pneumohydraulic pressure-cylinder is equipped with pressure oil piston in pressure oil oil cylinder, is equipped in pressure oil cylinder
Repairing piston is connected between pressure oil piston and repairing piston by pressure oil piston rod.When high pressure gas enters on pressure oil cylinder
End pushes repairing piston, pressure oil piston rod and pressure oil piston, drives the oil in pressure oil piston compression pressure oil oil cylinder and oil transportation channel,
High pressure liquid pressure oil is formed, and the high pressure liquid pressure oil in oil transportation channel is delivered to high pressure oil by pressure oil oil circuit and supercharging axis hole
Cylinder.
A kind of above-mentioned oil gas isolated form pneumohydraulic pressure-cylinder, preceding switching channel and rear switching channel respectively include horizontal segment and
Radial section, the pressure oil oil circuit for being connected to oil transportation channel and high-voltage oil cylinder includes horizontal segment and radial section, preceding switching channel and afterwards switching
The both sides in channel and it is equipped with sealing ring therebetween, sealing ring is equipped in the supercharging axis hole of pressure oil oil circuit both sides.Preceding switching channel is with after
The horizontal segment difference unicom of switching channel leads to oil-gap, and the radial section of preceding switching channel is connected to shoe cream room, the diameter of rear switching channel
It is connected to oil transportation channel to section, is realized from axial direction to the purpose radially converted by horizontal segment and radial section；When undergauge end and pressure oil
When axis hole is opposite, the hydraulic oil in shoe cream room passes sequentially through preceding switching channel, logical oil-gap and rear switching channel, and to flow to oil transportation logical
Road.The horizontal ends connection supercharging axis hole of pressure oil oil circuit, radial section are connected to oil transportation channel.The two of preceding switching channel and rear switching channel
Side and it is equipped with one-way sealing seal therebetween, pressure oil piston rod is sealed by the wall surface of one-way sealing seal and pressure oil axis hole to be coordinated, and is avoided
Gas in pressure oil cylinder enters pressure oil axis hole, when undergauge end is opposite with pressure oil axis hole, avoids the hydraulic oil in logical oil-gap
It flow to pressure oil cylinder and pressure oil piston upper end；One-way sealing seal, supercharging piston rod are equipped in the supercharging axis hole of pressure oil oil circuit both sides
Coordinated by one-way sealing seal and supercharging axis hole wall surface sealing, the compressed air in pressurized cylinder is avoided to enter supercharging axis hole and liquid
Pressure oil contacts, and when supercharging piston rod wears supercharging piston rod, stretches into high-voltage oil cylinder, realizes the purpose of sealing pressure oil oil circuit.
A kind of above-mentioned oil gas isolated form pneumohydraulic pressure-cylinder, pressure oil oil cylinder lower end be equipped with lower cover, under be covered with logical oil groove, lead to
Oil groove is connected to pressure oil oil cylinder and oil transportation channel.Oil transportation channel is connected to pressure oil oil cylinder, pressure oil oil cylinder and oil transportation channel by logical oil groove
It is inside respectively provided with hydraulic oil, when pressure oil piston is pressed downward, the in-oil cylinder hydraulic oil of pressure oil is flow in oil transportation channel, oil transportation channel
Interior hydraulic oil flow to supercharging axis hole by pressure oil oil circuit, and high-voltage oil cylinder is flow to by being pressurized axis hole.
A kind of above-mentioned oil gas isolated form pneumohydraulic pressure-cylinder, pressure oil cylinder upper end are equipped with upper cover, and upper cover is equipped with connection gas circuit
The first stomata, the second stomata of connection gas circuit is covered in pressure oil, the first stomata, the second stomata are connected to pressure oil cylinder.Gas circuit
It is connected to the first stomata to convey high pressure gas into pressure oil cylinder repairing piston upper end, realizes and push repairing piston, pressure oil piston rod
It is discharged by the second stomata with the gas of the pressure oil purpose that piston moves downward, repairing piston；Gas circuit is connected to the second stomata
High pressure gas is conveyed into pressure oil cylinder repairing piston, realize push repairing piston, pressure oil piston rod and pressure oil piston to
The gas of the purpose of upper reset, repairing piston upper end is discharged by the first stomata.
A kind of above-mentioned oil gas isolated form pneumohydraulic pressure-cylinder, upper lid are equipped with the silencer of connection shoe cream room.Silencer can
A little gas to entering shoe cream room is vented automatically, really realizes gas-liquid separation.
A kind of above-mentioned oil gas isolated form pneumohydraulic pressure-cylinder is equipped with high pressure piston and high-pressure piston rod in high-voltage oil cylinder, high
Compressing cylinder upper end connection supercharging middle cover, lower end are equipped with protecgulum, and protecgulum is equipped with the third stomata of connection high-voltage oil cylinder, and third stomata connects
Vent passage, high-pressure piston rod wear protecgulum.Hydraulic oil in oil transportation channel under the action of pressure oil piston by pressure oil oil circuit and
Supercharging axis hole enters in high-voltage oil cylinder, pushes high pressure piston that high-pressure piston rod is driven to wear protecgulum and does strike fortune to exterior object
It is dynamic；Protecgulum is equipped with the third stomata of connection high-voltage oil cylinder, and the gas of high pressure piston lower end is discharged by third stomata；High pressure piston
When being resetted with high-pressure piston rod, third stomata is connected to pressure channel, injects high pressure gas toward high pressure piston lower end, high pressure is pushed to live
The hydraulic oil of plug and the upward resetting movement of high-pressure piston rod, high pressure piston upper end passes sequentially through supercharging axis hole and pressure oil oil circuit is flow to
Oil transportation channel.
A kind of above-mentioned oil gas isolated form pneumohydraulic pressure-cylinder is equipped with charged piston and supercharging piston rod in pressurized cylinder, increases
Air cylinder upper end is equipped with rear cover, and rear cover is equipped with the 4th stomata of connection pressurized cylinder, and connection supercharging middle cover in pressurized cylinder lower end increases
The 5th stomata of connection pressurized cylinder is covered in pressure, the 4th stomata, the 5th stomata are respectively communicated with gas circuit, supercharging piston rod setting
In being pressurized axis hole.Rear cover is equipped with the 4th stomata of connection pressurized cylinder, and the 4th stomata is connected to pressure channel, when work product needs
When wanting High voltage output power, high pressure gas is injected toward charged piston upper end, charged piston and supercharging piston rod is pushed to move downward, is increased
The gas of pressure piston is discharged by the 5th stomata, to drive supercharging piston rod to the hydraulic oil in high-voltage oil cylinder into traveling
One step squeezes, and the high pressure liquid pressure oil of generation is generated High voltage output power to high pressure piston and high-pressure piston rod effect；Supercharging is lived
When plug and supercharging piston rod reset, the 5th stomata is connected to pressure channel, injects high pressure gas, charged piston toward charged piston lower end
The gas of upper end is discharged by the 4th stomata, pushes charged piston and the upward resetting movement of supercharging piston rod.
The feature of the utility model oil gas isolated form pneumohydraulic pressure-cylinder maximum is exactly oil gas isolation, does not allow compressed air and liquid
Pressure oil contacts, and the moisture in such compressed air can not just contact hydraulic oil to avoid the emulsion of hydraulic oil.With
The prior art is compared and is had the following advantages that：
1. tectonic sieving is simple, easy to operate；
2. occupied space area is small, compared with Normal hydraulic station, takes up space and be smaller than 50% or more；
3. according to unique construction, it can be achieved that running at high speed；
4. the puzzlement without oil hydraulic system temperature liter；
5. equipment unit price is also cheaper compared with traditional hydraulic system；
6. the soft technology in place of punching press, noise is small when making start, while also mold is arrived in protection；
7. when persistent pressure or when stopping acts, it is not necessary to which as pure hydraulic system, motor needs continuous running, therefore, can
The energy is saved, actual consumption is equivalent to oil hydraulic system 10%-30%.
Description of the drawings
The utility model is described in further detail below in conjunction with the embodiment in attached drawing, but is not constituted to this reality
With novel any restrictions.
Fig. 1 is the external structure schematic diagram of the utility model；
Fig. 2 is the internal structure schematic diagram of the utility model；
Fig. 3 is the internal structure schematic diagram of the utility model use state；
Fig. 4 is enlarged structure schematic diagram at the A of Fig. 2.
Specific implementation mode
As shown in Figures 1 to 4, a kind of oil gas isolated form pneumohydraulic pressure-cylinder of the utility model, including pneumohydraulic pressure-cylinder 1 and height
Compressing cylinder 2 is pressed, wherein：Pneumohydraulic pressure-cylinder 1 includes axially connecting high-voltage oil cylinder 12 and pressurized cylinder 13 by being pressurized 11 phase of middle cover,
It is pressurized 11 axle center of middle cover and is equipped with supercharging axis hole 111, wherein interspersed supercharging piston rod 131, high pressure compressing cylinder 2 is equipped with pressure oil middle cover
21, supercharging middle cover 11 be wholely set with pressure oil middle cover 21, between high pressure compressing cylinder 2 and high-voltage oil cylinder 12 equipped with pressure oil oil circuit 3, its
It is connected to supercharging axis hole 111 through pressure oil middle cover 21 and supercharging middle cover 11, supercharging piston rod 131 is sealed when being pressurized in axis hole 111
Pressure oil oil circuit 3.
High pressure compressing cylinder 2 includes the pressure oil oil cylinder 22 axially connected by 21 phase of pressure oil middle cover and supercharging pressure oil cylinder 23,
21 axle center of pressure oil middle cover is equipped with pressure oil axis hole 211, wherein interts pressure oil piston rod 24.
Pressure oil oil cylinder 22 is arranged with pressure oil outer barrel 221, forms oil transportation channel 222 therebetween, and storage is arranged with outside pressure oil cylinder 23
Oily outer barrel 231, therebetween formation shoe cream room 232, pressure oil outer barrel 221 and oil storage outer barrel 231 are connected by the way that pressure oil middle cover 21 is mutually axial,
Oil transportation channel 222 is connected to pressure oil oil circuit 3, and pressure oil axis hole 211 is equipped with the preceding switching channel 212 of connection shoe cream room 232 and connects defeated
The rear switching channel 213 in oily channel 222, wall surface of the pressure oil piston rod 24 in pressure oil axis hole 211 when stretching motion, therebetween is close
Envelope cooperation and having switches between logical oil-gap.
24 front end of pressure oil piston rod be equipped with undergauge end 241, remaining partly with the wall surface of pressure oil axis hole 211 seal coordinate, contracting
Diameter end 241 forms the preceding switching channel 212 of unicom and rear switching channel 213 when opposite with pressure oil axis hole 211, therebetween between wall surface
Logical oil-gap 214.
It is equipped with pressure oil piston 223 in pressure oil oil cylinder 22, repairing piston 233,223 He of pressure oil piston are equipped in pressure oil cylinder 23
It is connected by pressure oil piston rod 24 between repairing piston 233.
Preceding switching channel 212 and rear switching channel 213 respectively include horizontal segment and radial section, are connected to 222 He of oil transportation channel
The pressure oil oil circuit 3 of high-voltage oil cylinder 12 includes horizontal segment and radial section, the both sides of preceding switching channel 212 and rear switching channel 213 and
It is equipped with sealing ring therebetween, sealing ring is equipped in the supercharging axis hole 111 of 3 both sides of pressure oil oil circuit.
22 lower end of pressure oil oil cylinder is equipped with lower cover 224, and lower cover 224 is equipped with logical oil groove 225, leads to oil groove 225 and is connected to pressure oil oil cylinder
22 and oil transportation channel 222.
23 upper end of pressure oil cylinder is equipped with upper cover 234, and upper cover 234 is equipped with the first stomata 235 of connection gas circuit, pressure oil middle cover 21
The second stomata 236 equipped with connection gas circuit, the first stomata 235, the second stomata 236 connection pressure oil cylinder 23.
Upper cover 234 is equipped with the silencer 237 of connection shoe cream room 232.
High pressure piston 121 and high-pressure piston rod 122,12 upper end of high-voltage oil cylinder connection supercharging middle cover are equipped in high-voltage oil cylinder 12
11, lower end is equipped with protecgulum 123, and protecgulum 123 is equipped with the third stomata 124 of connection high-voltage oil cylinder 12, and third stomata 124 is connected to gas
Road, high-pressure piston rod 122 wear protecgulum 123.
Charged piston 132 and supercharging piston rod 131 are equipped in pressurized cylinder 13,13 upper end of pressurized cylinder is equipped with rear cover 133,
Rear cover 133 is equipped with the 4th stomata 134 of connection pressurized cylinder 13, and connection supercharging middle cover 11 in 13 lower end of pressurized cylinder is pressurized middle cover
11 are equipped with the 5th stomata 135 of connection pressurized cylinder 13, and the 4th stomata 134, the 5th stomata 135 are respectively communicated with gas circuit, and supercharging is lived
Stopper rod 131 is arranged in being pressurized axis hole 111.
When the utility model is specifically used, when 24 undergauge end 241 of pressure oil piston rod is opposite with pressure oil axis hole 211, undergauge
End 241 forms the logical oil-gap 214 of unicom preceding switching channel 212 and rear switching channel 213, shoe cream room 232 with pressure oil axis hole 211
In hydraulic oil by Gravitative Loads pass sequentially through preceding switching channel 212, logical oil-gap 214 and rear switching channel 213 flow to it is defeated
Oily channel 222；Gas circuit is connected to the first stomata 235 and conveys high pressure gas into 23 repairing piston of pressure oil cylinder, 233 upper end, pushes and mends
Oily piston 233, pressure oil piston rod 24 and pressure oil piston 223 move downward, and the gas of 233 lower end of repairing piston passes through the second stomata
236 discharges；Coordinate when being sealed between 211 wall surface of pressure oil piston rod 24 and pressure oil axis hole, preceding switching channel 212 and rear switching channel
213 are not connected, and the hydraulic oil in shoe cream room 232 cannot flow to oil transportation channel 222, and at the same time pressure oil piston rod 24 is with dynamic pressure
Oily piston 223 compresses the hydraulic oil in pressure oil oil cylinder 22 and oil transportation channel 222, forms high pressure liquid pressure oil；In oil transportation channel 222
High pressure liquid pressure oil passes sequentially through pressure oil oil circuit 3 and supercharging axis hole 111 flow in high-voltage oil cylinder 12 and pushes high pressure piston 121 and high pressure
Piston rod 122 wears protecgulum 123 and does impulsive motion to exterior object, and the gas of 121 lower end of high pressure piston passes through third stomata 124
Discharge is pressurized in axis hole 111 and is interspersed with supercharging piston rod 131, so that the compressed air in pressurized cylinder 13 is got along well and is pressurized axis hole 111
Interior hydraulic oil contact；When work product needs High voltage output power, gas circuit is connected to the 4th stomata 134, and high pressure gas is conveyed
Into 13 charged piston of pressurized cylinder, 132 upper end, charged piston 132 and supercharging piston rod 131 is pushed to move downward, charged piston
The gas of 132 lower ends is discharged by the 5th stomata 135, and supercharging piston rod 131 wears supercharging axis hole 111, stretches into high-voltage oil cylinder 12
In, the hydraulic oil in high-voltage oil cylinder 12 is pressed further by, and by the high pressure liquid pressure oil of generation to high pressure piston 121 and height
The effect of piston rod 122 is pressed to generate High voltage output power；Supercharging piston rod 131 wears supercharging axis hole 111 and seals pressure oil oil circuit 3, pressure oil
Hydraulic oil cannot flow to supercharging axis hole 111 in oil circuit 3.
When reset, the 5th stomata 135 is connected to pressure channel, injects high pressure gas toward 132 lower end of charged piston, pushes supercharging
The gas of 131 upward resetting movement of charged piston 132 and supercharging piston rod in cylinder 13,132 upper end of charged piston passes through
Four stomatas 134 are discharged, and the third stomata 124 on protecgulum 123 is connected to air pressure with the second stomata 236 on pressure oil middle cover 21 and leads to simultaneously
Road injects high pressure gas toward high pressure piston 121,233 lower end of repairing piston, pushes high pressure piston 121, height in high-voltage oil cylinder 12
Piston rod 122 and repairing piston 233, pressure oil piston rod 24,223 upward resetting movement of pressure oil piston in pressure oil cylinder 23 are pressed,
The gas of 233 upper end of repairing piston is discharged by the first stomata 235, and the hydraulic oil in high-voltage oil cylinder 12 passes sequentially through supercharging axis hole
111 and pressure oil oil circuit 3 flow back to oil transportation channel 222, the hydraulic oil having more in oil transportation channel 222 passes sequentially through rear switching channel
213, lead to oil-gap 214 and preceding switching channel 212 is flow in shoe cream room 232.
In conclusion the utility model is made actual sample and is tested through being used for multiple times such as specification and diagramatic content,
In terms of the effect for using test, provable the utility model can reach its desired purpose, and practical value is unquestionable.
Embodiment provided above is only used for facilitating illustration the utility model, not makees limit in any form to the utility model
System, any those of ordinary skill in the art, if in the range of not departing from the utility model carried technical characteristic,
Using the equivalent embodiment for locally changing or modifying made by the utility model disclosed technology content, and without departing from this practicality
Novel technical feature content, in the range of still falling within the utility model art feature.
Claims (11)
1. a kind of oil gas isolated form pneumohydraulic pressure-cylinder, including pneumohydraulic pressure-cylinder (1) and high pressure compressing cylinder (2), it is characterised in that：Gas
Liquid pressurized cylinder (1) includes by being pressurized middle cover (11) mutually axial connection high-voltage oil cylinder (12) and pressurized cylinder (13), being pressurized middle cover
(11) axle center is equipped with supercharging axis hole (111), wherein interspersed supercharging piston rod (131), and high pressure compressing cylinder (2) is equipped with pressure oil middle cover
(21), supercharging middle cover (11) is wholely set with pressure oil middle cover (21), and pressure is equipped between high pressure compressing cylinder (2) and high-voltage oil cylinder (12)
Oil circuit (3), its through pressure oil middle cover (21) and supercharging middle cover (11) be pressurized axis hole (111) be connected to, supercharging piston rod (131) exists
Sealing pressure oil oil circuit (3) when being pressurized in axis hole (111).
2. a kind of oil gas isolated form pneumohydraulic pressure-cylinder according to claim 1, it is characterised in that：High pressure compressing cylinder (2) wraps
Include the pressure oil oil cylinder (22) mutually axially connected by pressure oil middle cover (21) and supercharging pressure oil cylinder (23), pressure oil middle cover (21) axle center
Equipped with pressure oil axis hole (211), wherein intert pressure oil piston rod (24).
3. a kind of oil gas isolated form pneumohydraulic pressure-cylinder according to claim 2, it is characterised in that：Pressure oil oil cylinder (22) is arranged
There is pressure oil outer barrel (221), form oil transportation channel (222) therebetween, oil storage outer barrel (231), therebetween is arranged with outside pressure oil cylinder (23)
It forms shoe cream room (232), pressure oil outer barrel (221) and oil storage outer barrel (231) to connect by the way that pressure oil middle cover (21) is mutually axial, oil transportation is logical
Road (222) is connected to pressure oil oil circuit (3), and pressure oil axis hole (211) is equipped with the preceding switching channel (212) of connection shoe cream room (232) and connects
Connect the rear switching channel (213) of oil transportation channel (222), pressure oil piston rod (24) in pressure oil axis hole (211) when stretching motion, its
Between wall surface switch between logical oil-gap in sealing cooperation and having.
4. a kind of oil gas isolated form pneumohydraulic pressure-cylinder according to claim 3, it is characterised in that：Before pressure oil piston rod (24)
End equipped with undergauge end (241), remaining partly with the wall surface of pressure oil axis hole (211) seal coordinate, undergauge end (241) with pressure oil axis
When hole (211) is opposite, the logical oil-gap of the preceding switching channel of unicom (212) and rear switching channel (213) is formed between wall surface therebetween
(214)。
5. a kind of oil gas isolated form pneumohydraulic pressure-cylinder according to claim 4, it is characterised in that：Pressure oil oil cylinder is set in (22)
There is pressure oil piston (223), repairing piston (233), pressure oil piston (223) and repairing piston (233) are equipped in pressure oil cylinder (23)
Between be connected by pressure oil piston rod (24).
6. a kind of oil gas isolated form pneumohydraulic pressure-cylinder according to claim 3, it is characterised in that：Preceding switching channel (212)
Horizontal segment and radial section, the pressure oil of connection oil transportation channel (222) and high-voltage oil cylinder (12) are respectively included with rear switching channel (213)
Oil circuit (3) includes horizontal segment and radial section, the both sides of preceding switching channel (212) and rear switching channel (213) and is equipped with therebetween close
Seal is equipped with sealing ring in the supercharging axis hole (111) of pressure oil oil circuit (3) both sides.
7. a kind of oil gas isolated form pneumohydraulic pressure-cylinder according to claim 3, it is characterised in that：Pressure oil oil cylinder (22) lower end
Equipped with lower cover (224), lower cover (224) is equipped with logical oil groove (225), leads to oil groove (225) connection pressure oil oil cylinder (22) and oil transportation channel
(222)。
8. a kind of oil gas isolated form pneumohydraulic pressure-cylinder according to claim 2, it is characterised in that：Pressure oil cylinder (23) upper end
Equipped with upper cover (234), upper cover (234) is equipped with the first stomata (235) of connection gas circuit, and pressure oil middle cover (21) is equipped with connection gas circuit
Second stomata (236), the first stomata (235), the second stomata (236) connection pressure oil cylinder (23).
9. a kind of oil gas isolated form pneumohydraulic pressure-cylinder according to claim 8, it is characterised in that：Upper cover (234) is equipped with
Connect the silencer (237) of shoe cream room (232).
10. a kind of oil gas isolated form pneumohydraulic pressure-cylinder according to claim 1, it is characterised in that：In high-voltage oil cylinder (12)
Equipped with high pressure piston (121) and high-pressure piston rod (122), high-voltage oil cylinder (12) upper end connection supercharging middle cover (11), lower end are equipped with
Protecgulum (123), protecgulum (123) are equipped with the third stomata (124) of connection high-voltage oil cylinder (12), and third stomata (124) is connected to gas circuit,
High-pressure piston rod (122) wears protecgulum (123).
11. a kind of oil gas isolated form pneumohydraulic pressure-cylinder according to claim 1, it is characterised in that：In pressurized cylinder (13)
Equipped with charged piston (132) and supercharging piston rod (131), pressurized cylinder (13) upper end is equipped with rear cover (133), and rear cover (133) is set
There are the 4th stomata (134) of connection pressurized cylinder (13), pressurized cylinder (13) lower end connection supercharging middle cover (11) to be pressurized middle cover
(11) it is equipped with the 5th stomata (135) of connection pressurized cylinder (13), the 4th stomata (134), the 5th stomata (135) are respectively communicated with gas
Road, supercharging piston rod (131) setting is in supercharging axis hole (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820164726.2U CN207830244U (en) | 2018-01-30 | 2018-01-30 | A kind of oil gas isolated form pneumohydraulic pressure-cylinder |
Applications Claiming Priority (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108006005A (en) * | 2018-01-30 | 2018-05-08 | 东莞市巨力气动液压设备有限公司 | A kind of high pressure forced oil device and oil gas isolated form pneumohydraulic pressure-cylinder |
| CN109915435A (en) * | 2019-03-13 | 2019-06-21 | 肇庆市志成气动有限公司 | A kind of pneumohydraulic pressure-cylinder |
| CN113187771A (en) * | 2021-05-06 | 2021-07-30 | 鞍山彩盛机械制造有限公司 | Gas-liquid isolated automatic oil-supplementing pressure cylinder |
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2018
- 2018-01-30 CN CN201820164726.2U patent/CN207830244U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108006005A (en) * | 2018-01-30 | 2018-05-08 | 东莞市巨力气动液压设备有限公司 | A kind of high pressure forced oil device and oil gas isolated form pneumohydraulic pressure-cylinder |
| CN108006005B (en) * | 2018-01-30 | 2024-01-12 | 江西意哥尔科技有限公司 | High-pressure oil device and oil-gas isolated gas-liquid booster cylinder |
| CN109915435A (en) * | 2019-03-13 | 2019-06-21 | 肇庆市志成气动有限公司 | A kind of pneumohydraulic pressure-cylinder |
| CN113187771A (en) * | 2021-05-06 | 2021-07-30 | 鞍山彩盛机械制造有限公司 | Gas-liquid isolated automatic oil-supplementing pressure cylinder |
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