CN209725397U - A kind of pneumatic hydraulic cylinder and the Pneumatic hydraulic valve with the cylinder body - Google Patents
A kind of pneumatic hydraulic cylinder and the Pneumatic hydraulic valve with the cylinder body Download PDFInfo
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- CN209725397U CN209725397U CN201920258285.7U CN201920258285U CN209725397U CN 209725397 U CN209725397 U CN 209725397U CN 201920258285 U CN201920258285 U CN 201920258285U CN 209725397 U CN209725397 U CN 209725397U
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- 239000010720 hydraulic oil Substances 0.000 claims description 26
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 6
- 239000003921 oil Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- CBVWMGCJNPPAAR-HJWRWDBZSA-N (nz)-n-(5-methylheptan-3-ylidene)hydroxylamine Chemical compound CCC(C)C\C(CC)=N/O CBVWMGCJNPPAAR-HJWRWDBZSA-N 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model discloses a kind of pneumatic hydraulic cylinder and the Pneumatic hydraulic valve with the cylinder body, including cylinder body；First piston and second piston can be slided in cylinder body；Hydraulic stem is connect with first piston, and forms the first hydraulic cavities with inboard wall of cylinder block；It is provided through first piston in second piston, and stretches out the connecting rod outside cylinder body, and second piston and inboard wall of cylinder block form the second hydraulic cavities；It is to be connected to setting between first hydraulic cavities and the second hydraulic cavities；Chamber where it is divided by first piston, the first atmospheric pressure cavity far from hydraulic stem side and the second atmospheric pressure cavity close to hydraulic stem side；It is provided on cylinder body, the first air inlet and the second air inlet being connected to respectively with the first atmospheric pressure cavity and the second atmospheric pressure cavity.The utility model provides a kind of pneumatic hydraulic cylinder and the Pneumatic hydraulic valve with the cylinder body, by combining air pressure with hydraulic, ensure that the size of cylinder, realizes cylinder body function；In cylinder body by setting hydraulic drive, realize pneumatically with surge conversion.
Description
Technical field
The utility model belongs to pressurized cylinder technical field, specifically, being related to a kind of pneumatic hydraulic cylinder and having the cylinder body
Pneumatic hydraulic valve.
Background technique
Pneumatic cylinder is widely applied in the fields such as aviation or pipeline transportation at present, but in the application, the small-bore superelevation of valve
Pressure valve application is relatively more, but the cylinder of the valve of usually small-bore hyperpressure controls gas between 0.6~0.8Mpa,
In order to reach bigger sealing force, it is necessary to expand cylinder bore, it is excessive to will cause cylinder head in this way, is far longer than valve body sheet
Body, ratio are uncoordinated.
Application No. is the Chinese patents of CN201220472295.9 to disclose a kind of automatic repairing of vertical installation oil gas isolation
Discharge type booster comprising have an oil storage barrel and pressurized cylinder, be provided with pressure oil conduit above the oil storage barrel, on the pressurized cylinder
Side is provided with high-voltage tube, is provided with oil duct between the oil drum front cover and pressurization front cover.
Although the above-mentioned prior art proposes some technical solutions, in practical applications, air pressure has suitable field to make
Industry, the advantages that being swift in response, is easy to maintain, and the above-mentioned prior art is pressurized by hydraulic oil completely, while also can not
The basic targeted cylinder head of the application that solves is excessive, is far longer than valve body itself, and ratio is uncoordinated to wait commission.
Therefore, it is necessary to improved to shortcomings and deficiencies of the prior art, a kind of pneumatic hydraulic cylinder is provided and have should
The Pneumatic hydraulic valve of cylinder body while ensure that cylinder area of bed, realizes cylinder body by combining air pressure with hydraulic
Function, and by setting hydraulic drive etc. in cylinder body, realize pneumatically with the mutual conversion surged.
In view of this special to propose the utility model.
Utility model content
The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide one kind can overcome it is above-mentioned
Problem or a kind of pneumatic hydraulic cylinder at least being partially solved the above problem.
Another of the utility model is designed to provide a kind of Pneumatic hydraulic valve with above-mentioned pneumatic hydraulic cylinder.
In order to solve the above technical problems, the basic idea of the utility model adopting the technical scheme is: a kind of pneumatic hydraulic cylinder,
Including
Cylinder body；
First piston and second piston can be slided in cylinder body；
Hydraulic stem is connect with first piston, and forms the first hydraulic cavities with inboard wall of cylinder block；
It is provided through first piston in second piston, and stretches out the connecting rod outside cylinder body, and in second piston and cylinder body
Wall forms the second hydraulic cavities；
It is to be connected to setting between first hydraulic cavities and the second hydraulic cavities；
Chamber where it is divided by first piston, the first atmospheric pressure cavity and close hydraulic stem one far from hydraulic stem side
Second atmospheric pressure cavity of side；
It is provided on cylinder body, the first air inlet being connected to respectively with the first atmospheric pressure cavity and the second atmospheric pressure cavity and the second air inlet
Mouthful.
Wherein, further include
Gas enters the first atmospheric pressure cavity from the first air inlet, pushes first piston in cylinder body, to close to second piston
Direction sliding；
First piston drives hydraulic stem to slide in the first hydraulic cavities, and it is hydraulic that the hydraulic oil in the first hydraulic cavities enters second
It is intracavitary；
Hydraulic oil in second hydraulic cavities pushes second piston to first piston Slideslip, and the connecting rod on first piston is sent
Cylinder body out.
In addition, further including
Gas enters the second atmospheric pressure cavity from the second air inlet, pushes second piston in cylinder body, to separate first piston
Direction sliding；
Connecting rod protrudes into cylinder body under the drive of second piston；
With the sliding of second piston, the hydraulic oil in the second hydraulic cavities enters in the first hydraulic cavities；
Hydraulic oil in first hydraulic cavities pushes hydraulic stem to first piston Slideslip, effect of the first piston in hydraulic stem
Under, the gas in the first atmospheric pressure cavity is discharged from the first air inlet.
In one embodiment, the cross-sectional area of the first piston is greater than the cross-sectional area of second piston.
In one embodiment, the hydraulic stem at least two is evenly distributed with ring and is placed on first piston.
A kind of Pneumatic hydraulic valve, including
Valve plug and cylinder body；
Valve plug realizes the connection with cylinder body by the connecting rod that can be stretched in cylinder body；
Wherein, cylinder body includes
First piston and second piston can be slided in cylinder body；
Hydraulic stem is connect with first piston, and forms the first hydraulic cavities with inboard wall of cylinder block；
It is provided through first piston in second piston, and stretches out the connecting rod outside cylinder body, and in second piston and cylinder body
Wall forms the second hydraulic cavities；
It is to be connected to setting between first hydraulic cavities and the second hydraulic cavities；
Chamber where it is divided by first piston, the first atmospheric pressure cavity and close hydraulic stem one far from hydraulic stem side
Second atmospheric pressure cavity of side；
It is provided on cylinder body, the first air inlet being connected to respectively with the first atmospheric pressure cavity and the second atmospheric pressure cavity and the second air inlet
Mouthful.
In addition, further including
Gas enters the first atmospheric pressure cavity from the first air inlet, pushes first piston in cylinder body, to close to second piston
Direction sliding；
First piston drives hydraulic stem to slide in the first hydraulic cavities, and it is hydraulic that the hydraulic oil in the first hydraulic cavities enters second
It is intracavitary；
Hydraulic oil in second hydraulic cavities pushes second piston to first piston Slideslip, and the connecting rod on first piston is sent
Cylinder body out.
Meanwhile further including
Gas enters the second atmospheric pressure cavity from the second air inlet, pushes second piston in cylinder body, to separate first piston
Direction sliding；
Connecting rod protrudes into cylinder body under the drive of second piston；
With the sliding of second piston, the hydraulic oil in the second hydraulic cavities enters in the first hydraulic cavities；
Hydraulic oil in first hydraulic cavities pushes hydraulic stem to first piston Slideslip, effect of the first piston in hydraulic stem
Under, the gas in the first atmospheric pressure cavity is discharged from the first air inlet.
In one embodiment, the cross-sectional area of the first piston is greater than the cross-sectional area of second piston.
In one embodiment, the hydraulic stem at least two is evenly distributed with ring and is placed on first piston.
After adopting the above technical scheme, the utility model has the advantages that compared with prior art
1, the utility model is by will be pneumatic and surge and combine, and hydraulic system is set to cylinder interior, realizes
It pneumatically to the conversion surged, and finally realizes cylinder body function, during conversion, ensure that enough by changing forced area
Active force, while it is excessive to also avoid disputer, the problem for being far longer than valve body itself, and then causing ratio uncoordinated；
2, by the way that multiple uniformly distributed hydraulic stems are arranged in hydraulic system, the power decentralized for effectively moving Primordial Qi is to each
On hydraulic stem, forced area is reduced, so that the hydraulic oil in hydraulic cavities obtains enough power, and then passes to piston, is protected
Piston has been demonstrate,proved to the active force of valve plug；
3, it using the pneumatic and scheme combined of surging, mainly considers aviation or pipe-line equipment is chronically at open air
Situation, hydraulic device is heavy, inconvenient to carry, and hydraulic system is stored in cylinder body, and power source uses pneumatic scheme, effectively
The outdoor study ability for improving single unit system, also improve the efficiency of to maintain equipment, ensure that the overall operation of device.
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing.
Detailed description of the invention
The a part of attached drawing as the utility model, is further understood from the utility model for providing, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
Obviously, the accompanying drawings in the following description is only some embodiments, to those skilled in the art, is not paying creation
Property labour under the premise of, can also be obtained according to these attached drawings other accompanying drawings.
In the accompanying drawings:
Fig. 1 is the utility model Pneumatic hydraulic valve diagrammatic cross-section.
In figure: 1, cylinder body；101, the first air inlet；102, the second air inlet；2, first piston；3, second piston；4, liquid
Compression bar；5, the first hydraulic cavities；6, the second hydraulic cavities；7, the first atmospheric pressure cavity；8, the second atmospheric pressure cavity；9, connecting rod；10, valve plug.
It should be noted that these attached drawings and verbal description are not intended to limit the design of the utility model in any way
Range, but illustrate the concept of the utility model for those skilled in the art by referring to specific embodiments.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
The technical solution in embodiment is clearly and completely described in attached drawing in type embodiment, and following embodiment is for illustrating this
Utility model, but be not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for describing the utility model and simplifying description, rather than the device or element of indication or suggestion meaning must have specific side
Position is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.
For the ordinary skill in the art, can be understood with concrete condition above-mentioned term in the present invention specifically contain
Justice.
Pneumatic cylinder is widely applied in the fields such as aviation or pipeline transportation at present, but in the application, the small-bore superelevation of valve
Pressure valve application is relatively more, but the cylinder of the valve of usually small-bore hyperpressure controls gas between 0.6~0.8Mpa,
In order to reach bigger sealing force, it is necessary to expand cylinder bore, it is excessive to will cause cylinder head in this way, is far longer than valve body sheet
Body, ratio is uncoordinated, and the utility model is based on the above problem and is unfolded as follows technical solution.
Fig. 1 is the utility model Pneumatic hydraulic valve diagrammatic cross-section, from figure 1 it appears that hydraulic system is set to
In cylinder body 1, cylinder body 1 is externally connected to the first air inlet 101 and the second air inlet 102, by conveying gas to air inlet, realizes
Sliding of the first piston 2 between the first atmospheric pressure cavity 7 and the second atmospheric pressure cavity 8, and then drive the cunning of hydraulic stem 4 and second piston 3
It is dynamic, it realizes protruding into and stretching out for the connecting rod 9 connecting with second piston 3, and then drive valve plug 10, realizes the opening and closing of valve body.
Power F piston=n.F hydraulic stem 4 of piston, the power F=0.785*S*P, F that hydraulic stem 4 generates are the defeated of hydraulic stem 4
Power output, S are the area of second piston 3, and P is hydraulic pressure；And then hydraulic coupling P can be calculated, then valve can be calculated with this pressure
The closing forces of door.The quantity and diameter of connecting rod 9 are bigger, and such effect is lower.Conversely, effect is more obvious.The cylinder of such structure
Stroke is bigger than common cylinder stroke, in height can Gao Yidian.But diametrically can more common cylinder it is small by about 1/2 or so.
Hydraulic system is set to inside cylinder body 1 by will be pneumatic and surge and combine by the utility model, realizes gas
The conversion that trend is surged, and finally realize 1 function of cylinder body, during conversion, it ensure that enough by changing forced area
Active force, while it is excessive to also avoid disputer, the problem for being far longer than valve body itself, and then causing ratio uncoordinated；Pass through
Multiple uniformly distributed hydraulic stems 4 are set in hydraulic system, in the power decentralized to each hydraulic stem 4 for effectively moving Primordial Qi, contracting
Small forced area, so that the hydraulic oil in hydraulic cavities obtains enough power, and then passes to piston, ensure that piston to valve
The active force of plug 10；Using the pneumatic and scheme combined of surging, mainly considers aviation or pipe-line equipment is chronically at family
Outer situation, hydraulic device is heavy, inconvenient to carry, and hydraulic system is stored in cylinder body 1, and power source uses pneumatic side
Case effectively improves the outdoor study ability of single unit system, also improves the efficiency of to maintain equipment, ensure that the entirety of device
Operation.
Embodiment one
As shown in Figure 1, a kind of pneumatic hydraulic cylinder described in the present embodiment, including cylinder body 1；First piston 2 and second piston
3, it can be slided in cylinder body 1；Hydraulic stem 4 is connect with first piston 2, and forms the first hydraulic cavities 5 with 1 inner wall of cylinder body；Second
It is provided through first piston 2 on piston 3, and stretches out the connecting rod 9 outside cylinder body 1, and second piston 3 is formed with 1 inner wall of cylinder body
Second hydraulic cavities 6；It is to be connected to setting between first hydraulic cavities 5 and the second hydraulic cavities 6；First piston 2 divides the chamber where it
It is segmented into, the first atmospheric pressure cavity 7 far from 4 side of hydraulic stem and the second atmospheric pressure cavity 8 close to 4 side of hydraulic stem；It is arranged on cylinder body 1
Have, the first air inlet 101 and the second air inlet 102 being connected to respectively with the first atmospheric pressure cavity 7 and the second atmospheric pressure cavity 8.
Hydraulic system is set to inside cylinder body 1 by will be pneumatic and surge and combine by the utility model, realizes gas
The conversion that trend is surged, and finally realize 1 function of cylinder body, during conversion, it ensure that enough by changing forced area
Active force, while it is excessive to also avoid disputer, the problem for being far longer than valve body itself, and then causing ratio uncoordinated.
Embodiment two
As shown in Figure 1, the present embodiment is further limiting for above-described embodiment one, a kind of Pneumatic hydraulic described in the present embodiment
Cylinder further includes gas from the first air inlet 101 into the first atmospheric pressure cavity 7, pushes first piston 2 in cylinder body 1, to close to second
It slides in the direction of piston 3；First piston 2 drives hydraulic stem 4 to slide in the first hydraulic cavities 5, the hydraulic oil in the first hydraulic cavities 5
Into in the second hydraulic cavities 6；Hydraulic oil in second hydraulic cavities 6 pushes second piston 3 living to 2 Slideslip of first piston, first
Connecting rod 9 on plug 2 is sent cylinder body 1.
By the way that multiple uniformly distributed hydraulic stems 4 are arranged in hydraulic system, the power decentralized for effectively moving Primordial Qi is to each
On hydraulic stem 4, forced area is reduced, so that the hydraulic oil in hydraulic cavities obtains enough power, and then passes to piston, is protected
Piston has been demonstrate,proved to the active force of valve plug 10.
Embodiment three
As shown in Figure 1, the present embodiment is further limiting for above-described embodiment one or embodiment two, described in the present embodiment
A kind of pneumatic hydraulic cylinder further includes gas from the second air inlet 102 into the second atmospheric pressure cavity 8, pushes second piston 3 in cylinder body 1
It is interior, it is slided to the direction far from first piston 2；Connecting rod 9 protrudes into cylinder body 1 under the drive of second piston 3；With the second work
3 sliding is filled in, the hydraulic oil in the second hydraulic cavities 6 enters in the first hydraulic cavities 5；Hydraulic oil in first hydraulic cavities 5 pushes liquid
Compression bar 4 is to 2 Slideslip of first piston, and first piston 2 is under the action of hydraulic stem 4, by the gas in the first atmospheric pressure cavity 7 from first
Air inlet 101 is discharged.
By the way that multiple uniformly distributed hydraulic stems 4 are arranged in hydraulic system, the power decentralized for effectively moving Primordial Qi is to each
On hydraulic stem 4, forced area is reduced, so that the hydraulic oil in hydraulic cavities obtains enough power, and then passes to piston, is protected
Piston has been demonstrate,proved to the active force of valve plug 10.
Example IV
As shown in Figure 1, the present embodiment is the further limiting to any embodiment of embodiment three of above-described embodiment one,
A kind of pneumatic hydraulic cylinder described in the present embodiment, the cross-sectional area of the first piston 2 are greater than the cross-sectional area of second piston 3, lead to
It crosses and multiple uniformly distributed hydraulic stems 4 is set in hydraulic system, in the power decentralized to each hydraulic stem 4 for effectively moving Primordial Qi,
Forced area is reduced, so that the hydraulic oil in hydraulic cavities obtains enough power, and then piston is passed to, ensure that piston pair
The active force of valve plug 10.
Embodiment five
As shown in Figure 1, the present embodiment is the further limiting to any embodiment of example IV of above-described embodiment one,
A kind of pneumatic hydraulic cylinder described in the present embodiment, the hydraulic stem 4 at least two is evenly distributed with ring and is placed on first piston 2, using pneumatic
With the scheme combined of surging, mainly considering aviation or pipe-line equipment is chronically at outdoor situation, hydraulic device is heavy,
It is inconvenient to carry, and hydraulic system is stored in cylinder body 1, power source uses pneumatic scheme, effectively improves single unit system
Outdoor study ability, also improve the efficiency of to maintain equipment, ensure that the overall operation of device.
Embodiment six
As shown in Figure 1, the present embodiment is the further limiting to any embodiment of embodiment five of above-described embodiment one,
A kind of Pneumatic hydraulic valve described in the present embodiment, including valve plug 10 and cylinder body 1；Valve plug 10 passes through the company that can be stretched in cylinder body 1
Bar 9 realizes the connection with cylinder body 1；Wherein, cylinder body 1 includes first piston 2 and second piston 3, can be slided in cylinder body 1；Liquid
Compression bar 4 is connect with first piston 2, and forms the first hydraulic cavities 5 with 1 inner wall of cylinder body；It is living that first is provided through in second piston 3
Plug 2, and the connecting rod 9 outside cylinder body 1 is stretched out, and second piston 3 and 1 inner wall of cylinder body form the second hydraulic cavities 6；First hydraulic cavities 5
It is to be connected to setting between the second hydraulic cavities 6；Chamber where it is divided by first piston 2, the far from 4 side of hydraulic stem
Second atmospheric pressure cavity 8 of one atmospheric pressure cavity 7 and close 4 side of hydraulic stem；Be provided on cylinder body 1, respectively with the first atmospheric pressure cavity 7 and
The first air inlet 101 and the second air inlet 102 of two atmospheric pressure cavities 8 connection.
In the instructions provided here, numerous specific details are set forth.It is to be appreciated, however, that the utility model
Embodiment can be practiced without these specific details.In some instances, be not been shown in detail well known method,
Structure and technology, so as not to obscure the understanding of this specification.
Similarly, it should be understood that in order to simplify the disclosure and help to understand one or more in each utility model aspect
A, in the description above to the exemplary embodiment of the utility model, each feature of the utility model is divided together sometimes
Group is into single embodiment, figure or descriptions thereof.However, the method for the disclosure should not be construed to reflect following meaning
Figure: the requires of the utility model features more more than feature expressly recited in each claim i.e. claimed.
More precisely, as reflected in the following claims, it is in terms of utility model single less than disclosed above
All features of embodiment.Therefore, it then follows thus claims of specific embodiment are expressly incorporated in the specific embodiment party
Formula, wherein separate embodiments of each claim as the utility model itself.
Other than such feature and/or at least some of process or unit exclude each other, it can use and appoint
What combination is to all features disclosed in this specification (including adjoint claim, abstract and attached drawing) and so disclosed
All process or units of any method or apparatus are combined.Unless expressly stated otherwise, this specification is (including adjoint
The claims, abstract and drawings) disclosed in each feature can with an alternative feature that provides the same, equivalent, or similar purpose come
Instead of.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments
In included certain features rather than other feature, but the combination of the feature of different embodiments mean it is practical new in this
Within the scope of type and form different embodiments.For example, in the following claims, embodiment claimed
It is one of any can in any combination mode come using.
The utility model is limited it should be noted that above-described embodiment illustrates rather than the utility model,
And those skilled in the art can be designed alternative embodiment without departing from the scope of the appended claims.In right
In it is required that, any reference symbol between parentheses should not be configured to limitations on claims.Word "comprising" is not arranged
Except there are element or steps not listed in the claims.Word "a" or "an" located in front of the element does not exclude the presence of more
A such element.In the unit claims listing several devices, several in these devices can be by same
One hardware branch embodies.The use of word first, second, and third does not indicate any sequence.It can be by these lists
Word is construed to title.
The above is only the preferred embodiment of the utility model, not makees in any form to the utility model
Limitation, although the utility model has been disclosed with preferred embodiment as above, is not intended to limit the utility model, any to be familiar with
The technical staff of this patent is not departing within the scope of technical solutions of the utility model, when the technology contents work using above-mentioned prompt
A little equivalent embodiment changed or be modified to equivalent variations out, but all contents without departing from technical solutions of the utility model,
Any simple modification, equivalent change and modification made by the above technical examples according to the technical essence of the present invention, still belong to
In the range of the utility model.
Claims (10)
1. a kind of pneumatic hydraulic cylinder, it is characterised in that: including
Cylinder body (1)；
First piston (2) and second piston (3), being capable of the sliding in cylinder body (1)；
Hydraulic stem (4) is connect with first piston (2), and forms the first hydraulic cavities (5) with cylinder body (1) inner wall；
It is provided through first piston (2) in second piston (3), and stretches out the external connecting rod (9) of cylinder body (1), and second piston
(3) the second hydraulic cavities (6) are formed with cylinder body (1) inner wall；
It is to be connected to setting between first hydraulic cavities (5) and the second hydraulic cavities (6)；
Chamber where it is divided by first piston (2), the first atmospheric pressure cavity (7) and close liquid far from hydraulic stem (4) side
Second atmospheric pressure cavity (8) of compression bar (4) side；
It is provided on cylinder body (1), the first air inlet (101) being connected to respectively with the first atmospheric pressure cavity (7) and the second atmospheric pressure cavity (8)
With the second air inlet (102).
2. a kind of pneumatic hydraulic cylinder according to claim 1, it is characterised in that: further include
Gas enters the first atmospheric pressure cavity (7) from the first air inlet (101), pushes first piston (2) in the cylinder body (1), to close
It slides in the direction of second piston (3)；
First piston (2) drives hydraulic stem (4) sliding in the first hydraulic cavities (5), and the hydraulic oil in the first hydraulic cavities (5) enters
In second hydraulic cavities (6)；
Hydraulic oil in second hydraulic cavities (6) pushes second piston (3) to first piston (2) Slideslip, on first piston (2)
Connecting rod (9) is sent cylinder body (1).
3. a kind of pneumatic hydraulic cylinder according to claim 1, it is characterised in that: further include
Gas enters the second atmospheric pressure cavity (8) from the second air inlet (102), pushes second piston (3) in the cylinder body (1), to separate
It slides in the direction of first piston (2)；
Connecting rod (9) protrudes into cylinder body (1) under the drive of second piston (3)；
With the sliding of second piston (3), the hydraulic oil in the second hydraulic cavities (6) enters in the first hydraulic cavities (5)；
Hydraulic oil in first hydraulic cavities (5) pushes hydraulic stem (4) to first piston (2) Slideslip, and first piston (2) is hydraulic
Under the action of bar (4), the gas in the first atmospheric pressure cavity (7) is discharged from the first air inlet (101).
4. a kind of pneumatic hydraulic cylinder according to claim 1, it is characterised in that: the cross-sectional area of the first piston (2)
Greater than the cross-sectional area of second piston (3).
5. a kind of pneumatic hydraulic cylinder according to claim 1 to 4, it is characterised in that: the hydraulic stem (4) at least two
A uniformly distributed ring is placed on first piston (2).
6. a kind of Pneumatic hydraulic valve, it is characterised in that: including
Valve plug (10) and cylinder body (1)；
Valve plug (10) realizes the connection with cylinder body (1) by the connecting rod (9) that can be stretched in cylinder body (1)；
Wherein, cylinder body (1) includes
First piston (2) and second piston (3), being capable of the sliding in cylinder body (1)；
Hydraulic stem (4) is connect with first piston (2), and forms the first hydraulic cavities (5) with cylinder body (1) inner wall；
It is provided through first piston (2) in second piston (3), and stretches out the external connecting rod (9) of cylinder body (1), and second piston
(3) the second hydraulic cavities (6) are formed with cylinder body (1) inner wall；
It is to be connected to setting between first hydraulic cavities (5) and the second hydraulic cavities (6)；
Chamber where it is divided by first piston (2), the first atmospheric pressure cavity (7) and close liquid far from hydraulic stem (4) side
Second atmospheric pressure cavity (8) of compression bar (4) side；
It is provided on cylinder body (1), the first air inlet (101) being connected to respectively with the first atmospheric pressure cavity (7) and the second atmospheric pressure cavity (8)
With the second air inlet (102).
7. a kind of Pneumatic hydraulic valve according to claim 6, it is characterised in that: further include
Gas enters the first atmospheric pressure cavity (7) from the first air inlet (101), pushes first piston (2) in the cylinder body (1), to close
It slides in the direction of second piston (3)；
First piston (2) drives hydraulic stem (4) sliding in the first hydraulic cavities (5), and the hydraulic oil in the first hydraulic cavities (5) enters
In second hydraulic cavities (6)；
Hydraulic oil in second hydraulic cavities (6) pushes second piston (3) to first piston (2) Slideslip, on first piston (2)
Connecting rod (9) is sent cylinder body (1).
8. a kind of Pneumatic hydraulic valve according to claim 6, it is characterised in that: further include
Gas enters the second atmospheric pressure cavity (8) from the second air inlet (102), pushes second piston (3) in the cylinder body (1), to separate
It slides in the direction of first piston (2)；
Connecting rod (9) protrudes into cylinder body (1) under the drive of second piston (3)；
With the sliding of second piston (3), the hydraulic oil in the second hydraulic cavities (6) enters in the first hydraulic cavities (5)；
Hydraulic oil in first hydraulic cavities (5) pushes hydraulic stem (4) to first piston (2) Slideslip, and first piston (2) is hydraulic
Under the action of bar (4), the gas in the first atmospheric pressure cavity (7) is discharged from the first air inlet (101).
9. a kind of Pneumatic hydraulic valve according to claim 6, it is characterised in that: the cross section of the first piston (2)
Product is greater than the cross-sectional area of second piston (3).
10. according to a kind of any Pneumatic hydraulic valve of claim 6-9, it is characterised in that: the hydraulic stem (4) is at least
Two uniformly distributed rings are placed on first piston (2).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920229778 | 2019-02-21 | ||
| CN2019202297788 | 2019-02-21 |
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| CN209725397U true CN209725397U (en) | 2019-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920258285.7U Withdrawn - After Issue CN209725397U (en) | 2019-02-21 | 2019-02-28 | A kind of pneumatic hydraulic cylinder and the Pneumatic hydraulic valve with the cylinder body |
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| CN (1) | CN209725397U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116030674A (en) * | 2022-11-23 | 2023-04-28 | 浙江大学 | Six degrees of freedom anti-seasickness simulation trainer |
-
2019
- 2019-02-28 CN CN201920258285.7U patent/CN209725397U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116030674A (en) * | 2022-11-23 | 2023-04-28 | 浙江大学 | Six degrees of freedom anti-seasickness simulation trainer |
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Granted publication date: 20191203 Effective date of abandoning: 20240806 |