CN206092576U - Two effects hydro -cylinder that stretches out and draws back - Google Patents
Two effects hydro -cylinder that stretches out and draws back Download PDFInfo
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- CN206092576U CN206092576U CN201621118996.7U CN201621118996U CN206092576U CN 206092576 U CN206092576 U CN 206092576U CN 201621118996 U CN201621118996 U CN 201621118996U CN 206092576 U CN206092576 U CN 206092576U
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Abstract
The utility model relates to the field of machinary, especially, relate to a two effects hydro -cylinder that stretches out and draws back, including cylinder, piston and piston rod, piston and piston rod all are located inside the cylinder, the piston links to each other bottom the piston rod, enclose into the piston chamber between cylinder, piston and the piston rod jointly, the cylinder bottom is equipped with the oil inlet, piston and piston rod middle part all are equipped with the oil through, the oil through sets up with the oil inlet relatively, piston rod upper portion is equipped with the oil -out, be equipped with 60 degrees easement conducts between oil -out and the piston rod oil through. The utility model discloses thereby special structure setting makes it not only can self flexible operation of launching of telescoping inner tube that drives the water pipe, and its hydraulic oil can be carried and offer the hydraulic motor fuel feeding beyond the hydro -cylinder moreover, makes its water drainage operation, and the usage is various, facilitates the use.
Description
Technical field
The utility model is related to mechanical field, more particularly to a kind of double acting telescopic oil cylinder.
Background technology
Hydraulic cylinder be hydraulic energy is changed into into mechanical energy, the hydraulic pressure that does straight reciprocating motion (or oscillating motion) performs unit
Part, its simple structure, reliable operation when being realized moving back and forth with it, can remove deceleration device from, and without drive gap,
Stable movement, therefore be used widely in the hydraulic system of various machineries.But, current oil cylinder structure of hydraulic is more multiple
Miscellaneous, manufacturing cost is higher, and hydraulic oil is only in oil cylinder interior circulation, and only rising makes oil cylinder telescopic action, and function is limited, therefore, invention
A kind of vdiverse in function, easy to use, the telescopic oil cylinder of simple structure has very big market value.
Utility model content
The purpose of this utility model is to provide a kind of double acting telescopic oil cylinder.
The utility model solves the technical scheme of technical problem：A kind of double acting telescopic oil cylinder, including cylinder barrel, piston and
Piston rod, the piston and piston rod are respectively positioned on inside cylinder barrel, and the piston is connected with piston rod bottom, the cylinder barrel, piston
Surround plunger shaft jointly between piston rod, the cylinder barrel bottom is provided with oil-in, and the piston and piston rod middle part are equipped with
Oil through, the oil through is oppositely arranged with oil-in, and the piston rod top is provided with oil-out, the oil-out and piston rod
60 degree of easement conducts are provided between oil through.
Preferably, the cylinder barrel lower section is provided with little oil pipe, and the little oil pipe is connected with inside plunger shaft.
Preferably, the little oil pipe entrance point is connected with oil-feed fittings, and the cylinder barrel wall lower section is provided with oil return tubule
Joint, the oil return fittings are connected with inside plunger shaft.
Preferably, the plunger shaft is connected with overflow valve, and the overflow valve is located on cylinder barrel outer wall.
Preferably, the piston is connected with inner chamber oil pipe, and the inner chamber oil pipe is located on the axis of piston rod, described interior
Chamber oil pipe is connected with 60 degree of easement conducts.
It is using the beneficial effect of upper technical scheme：A kind of double acting telescopic oil cylinder in the utility model, its is special
Structure setting causes it itself not only can stretch, and so as to drive, the telescoping inner of water pipe is flexible to carry out lower water operation, and its liquid
Force feed can be delivered to beyond oil cylinder and be supplied to hydraulic motor fuel feeding so as to which draining, purposes is various, convenient use.The cylinder
Cylinder lower section is provided with little oil pipe, and the little oil pipe is connected with inside plunger shaft, and little oil pipe enters the logical of plunger shaft as hydraulic oil
Road, the little oil pipe entrance point is connected with oil-feed fittings, and the cylinder barrel wall lower section is provided with oil return fittings, the oil return
Fittings are connected with inside plunger shaft, oil-feed fittings and oil return fittings A and B each other, and one of them is oil-feed
During fittings, another is oil return fittings, and hydraulic oil carries out little oil pipe subsequently into piston by oil-feed fittings
Chamber, promotes piston walking, and so as to drive, the telescoping inner of water pipe is flexible to carry out lower water operation, when the telescoping inner of water pipe reaches institute
When needing impulse stroke, oil-feed fittings are closed, the plunger shaft is connected with overflow valve, and the overflow valve is located at outside cylinder barrel
On wall, row pressure when overflow valve may produce dangerous for hydraulic oil pressure in plunger shaft to be excessive is used, and the piston is connected with interior
Chamber oil pipe, the inner chamber oil pipe is located on the axis of piston rod, and the inner chamber oil pipe is connected with 60 degree of easement conducts, inner chamber
Oil pipe flows to the passage of oil-out for hydraulic oil.
Description of the drawings
Fig. 1 is a kind of sectional view of double acting telescopic oil cylinder described in the utility model.
Sectional view when Fig. 2 is a kind of double acting telescopic oil cylinder working condition described in the utility model.
Wherein：1-cylinder barrel, 2-piston, 3-piston rod, 4-plunger shaft, 5-oil-in, 6-oil through, 7-fuel-displaced
Mouthful, 8-60 degree easement conducts, 9-little oil pipe, 10-oil-feed fittings, 11-oil return fittings, 12-overflow valve,
13-inner chamber oil pipe.
Specific embodiment
Technological means, creation characteristic, reached purpose and effect to realize the utility model is easy to understand, below
With reference to specific embodiment, the utility model is expanded on further.
As depicted in figs. 1 and 2, a kind of double acting telescopic oil cylinder, including cylinder barrel 1, piston 2 and piston rod 3, the piston 2
It is respectively positioned on inside cylinder barrel 1 with piston rod 3, the piston 2 is connected with the bottom of piston rod 3, the cylinder barrel 1, piston 2 and piston rod 3
Between surround plunger shaft 4 jointly, the bottom of the cylinder barrel 1 is provided with oil-in 5, and the piston 2 and the middle part of piston rod 3 are equipped with logical oil
Hole 6, the oil through 6 is oppositely arranged with oil-in 5, and the top of the piston rod 3 is provided with oil-out 7, the oil-out 7 and piston
60 degree of easement conducts 8 are provided between the oil through 6 of bar 3, when using, after hydraulic oil is entered in plunger shaft 4 by little oil pipe 9, are promoted
Piston 2 is walked, and so as to drive, the telescoping inner of water pipe is flexible to carry out lower water operation, when the telescoping inner of water pipe reaches required work
During stroke, little oil pipe 9 stops oil-feed, high-pressure oil pump oil-in 5 is opened, due to the presence of oil through 6 so that hydraulic oil can be straight
Logical, hydraulic oil flow to oil-out 7 by 60 degree of easement conducts 8, there is provided give hydraulic motor fuel feeding so as to draining, and 60 degree suitable
The structure of curved conduct 8 can reduce fuel feeding working resistance, increase fuel delivery, it is ensured that operating oil pressure, make operation of oil pump more smooth.
In the present embodiment, the lower section of the cylinder barrel 1 is provided with little oil pipe 9, and the little oil pipe 9 is connected with inside plunger shaft 4, little
Oil pipe 9 enters the passage of plunger shaft 4 as hydraulic oil.
It should be noted that the entrance point of the little oil pipe 9 is connected with oil-feed fittings 10, the wall of the cylinder barrel 1 lower section sets
There are oil return fittings 11, the oil return fittings 10 are connected with inside plunger shaft 4, and oil-feed fittings 10 are little with oil return
The A and B each other of pipe joint 11, when one of them is oil-feed fittings 10, another is oil return fittings 11, and hydraulic oil passes through
Oil-feed fittings 10 carry out little oil pipe 9 subsequently into plunger shaft 4, promote piston 2 to walk, so as to drive the telescoping inner of water pipe
It is flexible to carry out lower water operation, when the telescoping inner of water pipe reaches required impulse stroke, close oil-feed fittings 10.
In addition, the plunger shaft 4 is connected with overflow valve 12, the overflow valve 12 is located on the outer wall of cylinder barrel 1, and overflow valve 12 is used
Row pressure when the excessive possibility of hydraulic oil pressure produces dangerous in plunger shaft 4 is used.
Particularly, the piston 2 is connected with inner chamber oil pipe 13, and the inner chamber oil pipe 13 is located on the axis of piston rod 3,
The inner chamber oil pipe 13 is connected with 60 degree of easement conducts 8, and inner chamber oil pipe 13 flows to the passage of oil-out 7 for hydraulic oil.
It is using the beneficial effect of above technical scheme：The special structure setting of the utility model causes it to not only can oneself
The flexible telescoping inner so as to drive water pipe of body is flexible to carry out lower water operation, and its hydraulic oil can be delivered to beyond oil cylinder and provide
Give hydraulic motor fuel feeding so as to which draining, purposes is various, convenient use.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is every
The equivalent structure done using the utility model specification and accompanying drawing content or equivalent process are changed, or are directly or indirectly used in
Other related technical fields, are included in the same manner in scope of patent protection of the present utility model.
Claims (5)
1. a kind of double acting telescopic oil cylinder, it is characterised in that including cylinder barrel, piston and piston rod, the piston and piston rod it is equal
Inside cylinder barrel, the piston is connected with piston rod bottom, the cylinder barrel, surrounds piston between piston and piston rod jointly
Chamber, the cylinder barrel bottom is provided with oil-in, and the piston and piston rod middle part are equipped with oil through, the oil through and oil-in
It is oppositely arranged, the piston rod top is provided with oil-out, 60 degree of easement rows is provided between the oil-out and piston rod oil through
Footpath.
2. a kind of double acting telescopic oil cylinder according to claim 1, it is characterised in that：The cylinder barrel lower section is provided with little oil
Pipe, the little oil pipe is connected with inside plunger shaft.
3. a kind of double acting telescopic oil cylinder according to claim 2, it is characterised in that：The little oil pipe entrance point is connected with
Oil-feed fittings, the cylinder barrel wall lower section is provided with oil return fittings, and the oil return fittings are connected with plunger shaft inside
It is logical.
4. a kind of double acting telescopic oil cylinder according to claim 1, it is characterised in that：The plunger shaft is connected with overflow
Valve, the overflow valve is located on cylinder barrel outer wall.
5. a kind of double acting telescopic oil cylinder according to claim 1, it is characterised in that：The piston is connected with inner chamber oil
Pipe, the inner chamber oil pipe is located on the axis of piston rod, and the inner chamber oil pipe is connected with 60 degree of easement conducts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621118996.7U CN206092576U (en) | 2016-10-13 | 2016-10-13 | Two effects hydro -cylinder that stretches out and draws back |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621118996.7U CN206092576U (en) | 2016-10-13 | 2016-10-13 | Two effects hydro -cylinder that stretches out and draws back |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206092576U true CN206092576U (en) | 2017-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621118996.7U Active CN206092576U (en) | 2016-10-13 | 2016-10-13 | Two effects hydro -cylinder that stretches out and draws back |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206092576U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109667805A (en) * | 2017-10-17 | 2019-04-23 | 益阳天华两栖车艇有限公司 | A kind of hydraulic cylinder vibration damper assembly |
| CN111532894A (en) * | 2020-06-12 | 2020-08-14 | 中铁电气化局集团有限公司石家庄机械装备分公司 | Constant tension pay-off device |
-
2016
- 2016-10-13 CN CN201621118996.7U patent/CN206092576U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109667805A (en) * | 2017-10-17 | 2019-04-23 | 益阳天华两栖车艇有限公司 | A kind of hydraulic cylinder vibration damper assembly |
| CN111532894A (en) * | 2020-06-12 | 2020-08-14 | 中铁电气化局集团有限公司石家庄机械装备分公司 | Constant tension pay-off device |
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