CN205991050U - A kind of hydraulic tensioning one oil cylinder - Google Patents
A kind of hydraulic tensioning one oil cylinder Download PDFInfo
- Publication number
- CN205991050U CN205991050U CN201620992054.5U CN201620992054U CN205991050U CN 205991050 U CN205991050 U CN 205991050U CN 201620992054 U CN201620992054 U CN 201620992054U CN 205991050 U CN205991050 U CN 205991050U
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- Prior art keywords
- oil cylinder
- end cap
- piston
- valve core
- core shaft
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- 239000000428 dust Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 3
- 235000011613 Pinus brutia Nutrition 0.000 claims description 3
- 241000018646 Pinus brutia Species 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 57
- 239000012530 fluid Substances 0.000 description 4
- 239000010720 hydraulic oil Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
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Abstract
The utility model discloses a kind of hydraulic tensioning one oil cylinder, including oil cylinder left end cap, oil cylinder right end cap, cylinder tube, piston, piston rod, valve core shaft, rotary handle, about cylinder tube, two ends are respectively arranged with oil cylinder left end cap and oil cylinder right end cap, oil cylinder left end cap is fixedly connected by four hex bolts with oil cylinder right end cap, cylinder tube is internally provided with piston, piston rod is secured to be connected with the cooperation of piston blind hole, piston rod passes through oil cylinder right end cap, piston is divided into left chamber and right chamber cylinder tube, it is connected through cylinder tube with piston left end, the valve core shaft of oil cylinder left end cap, valve core shaft left axle end is provided with rotary handle, rotary handle is fixedly connected with valve core shaft.This hydraulic tensioning one oil cylinder, directly can adjust oil cylinder valve core shaft by rotary handle and change oil-feed direction, can be achieved with the tensioning of hydraulic system driving device and unclamp, easy to adjust, save space；Compact conformation, simply, greatly cost-effective.It is not easily blocked, detachable maintaining is convenient.
Description
Technical field
This utility model is related to a kind of technical field of hydraulic oil cylinder, particularly to a kind of hydraulic tensioning one oil cylinder.
Background technology
At present, Normal hydraulic tensioner solenoid valve control tensioning typically with hydraulic jack is unclamped, and electromagnetic valve holds
Easily break down, particularly clogging, on the one hand valve core of the electromagnetic valve is easily blocked by impurity such as burr, burr, rubbish and block up
Plug, another aspect electromagnetic valve temperature is too high, and valve element expanded by heating blocks valve body hole and blocks, and electromagnetic valve is expensive,
Take up room big.
Utility model content
In order to overcome the shortcomings of existing research, this utility model patent provides a kind of new hydraulic tensioning one oil
Cylinder, directly can adjust oil cylinder valve core shaft by rotary handle and change oil-feed direction, can be achieved with hydraulic system driving device
Tensioning and unclamping, complication that is greatly cost-effective and reducing hydraulic jack.
For realizing above-mentioned functions, above-mentioned technical problem of the present utility model is mainly addressed by following technical proposals
's：
The utility model discloses a kind of hydraulic tensioning one oil cylinder, including oil cylinder left end cap, oil cylinder right end cap, oil cylinder
Cylinder, piston, piston rod, valve core shaft, rotary handle, about cylinder tube, two ends are respectively arranged with oil cylinder left end cap and oil cylinder right-hand member
Lid, oil cylinder left end cap is fixedly connected by four hex bolts with oil cylinder right end cap, and cylinder tube is internally provided with piston, and piston is right
There is blind hole, piston rod is secured to be connected with the cooperation of piston blind hole, and piston rod passes through oil cylinder right end cap, and piston is oil cylinder in the middle part of end
Cylinder is divided into left chamber and right chamber, is connected with piston left end through the valve core shaft of cylinder tube, oil cylinder left end cap, valve core shaft left axle end
It is provided with rotary handle, rotary handle is fixedly connected with valve core shaft.
Further, described valve core shaft has C-shaped channel A on Section A-A, is separated by 90 ° of place in A-A whole cross section
Have contrary C-shaped channel B of opening direction, valve core shaft Section A-A is communicated with the oil duct in oil cylinder left end cap.
Further, described oil cylinder left end cap vertical direction has oilhole A towards right chamber, oil cylinder left end cap near upper surface
There is the oilhole B towards left chamber in the middle part of rear end face.
Further, wear-resistant strip and O-ring seal are passed through in the sealing between described cylinder tube and piston.
Further, it is disposed with height lip y-type seal ring between described piston rod and oil cylinder right end cap from left to right
A, guidance tape, dust ring.
Further, described piston rod is fixedly connected by interior hexagonal cylindrical screw A at piston left axle end with piston.
Further, described rotary handle is fixedly connected by flat key and interior hexagonal tapered end holding screw with valve core shaft.
Further, described valve core shaft and oil cylinder left end cap pass through height lip y-type seal ring B sealing.
Further, the adjusting range of described rotary handle be 0 ° to 90 °, adjusting range from 0 ° to 90 °, hydraulic system institute
The tensioning state of the external device (ED) controlling is by pine to tightly.
Further, described when rotary handle is adjusted to 90 °, rotary handle and oil cylinder left end cap pass through interior hexagonal cylindrical
Head screw B positioning.
A kind of hydraulic tensioning one cylinder efficient principle and process：The external device (ED) that initial condition is controlled by hydraulic system
For the state unclamped, gradually rotated to 90 ° from 0 ° by adjusting rotary handle, drive valve core shaft to gradually rotate C-shaped channel A simultaneously
Connect with oilhole A channel, from oilhole A oil-feed from oilhole B oil return, hydraulic fluid pressure band piston moves right promotion liquid to hydraulic oil
The external device (ED) that pressure system is controlled reaches the state of gradually tensioning；Gradually rotated to 0 ° from 90 ° by adjusting rotary handle, band
Movable valve plug rotating shaft is gradually distance from C-shaped channel A and turns to C-shaped channel B and connected with oilhole channel B, and hydraulic oil is from oilhole B oil-feed from oilhole
A oil return, hydraulic fluid pressure reaches, with the piston external device (ED) that movement progress hydraulic system is controlled to the left, the shape gradually unclamping
State.
Benefit of the present utility model：
1st, a kind of hydraulic tensioning one oil cylinder of the present utility model, directly can adjust oil cylinder valve core shaft by rotary handle
Conversion oil-feed direction, can be achieved with the tensioning of hydraulic system driving device and unclamps, easy to adjust, save space.
2nd, a kind of hydraulic tensioning one oil cylinder of the present utility model, valve core rotation axle and cylinder design are integrated, structure
Compact, simply, greatly cost-effective.
3rd, a kind of hydraulic tensioning one oil cylinder of the present utility model, is not easily blocked, and detachable maintaining is convenient.
Brief description
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or in description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of hydraulic tensioning one cylinder structure schematic diagram described in the utility model.
Fig. 2 is a kind of hydraulic tensioning one oil cylinder generalized section described in the utility model.
Fig. 3 is a kind of valve core shaft schematic diagram of hydraulic tensioning one oil cylinder described in the utility model.
Fig. 4 is the A-A cross section structure diagram of Fig. 3.
In in figure：1st, piston rod；2nd, oil cylinder right end cap；3rd, hex bolts；4th, cylinder tube；5th, oilhole B；6th, oilhole A；7th, oil
Cylinder left end cap；8th, rotary handle；9th, piston；10th, interior hexagonal cylindrical screw A；11st, interior hexagonal tapered end holding screw；12nd, wear-resisting
Band；13rd, height lip y-type seal ring A；14th, guidance tape；15th, dust ring；16th, height lip y-type seal ring B；17th, valve core shaft；
18th, C-shaped channel A；19th, C-shaped channel B；20th, O-ring seal；21st, oil duct.
Specific embodiment
Below in conjunction with the accompanying drawings preferred embodiment of the present utility model is described in detail, so that advantage of the present utility model
Can be easier to be readily appreciated by one skilled in the art with feature, thus make apparent clear and definite to protection domain of the present utility model
Define.
As shown in Figure 1 and Figure 2, the utility model discloses a kind of hydraulic tensioning one oil cylinder, including oil cylinder left end cap 7, oil
Cylinder right end cap 2, cylinder tube 4, piston 9, piston rod 1, valve core shaft 17, rotary handle 8, cylinder tube 4 about two ends are respectively provided with
Oil cylinder left end cap 7 and oil cylinder right end cap 2, oil cylinder left end cap 7 and oil cylinder right end cap 2 is had to be fixedly connected by four hex bolts 3,
Cylinder tube 4 is internally provided with piston 9, has blind hole in the middle part of piston 9 right-hand member, and piston rod 1 coordinates, with piston 9 blind hole, the company of being secured to
Connect, piston rod 1 passes through oil cylinder right end cap 2,9 cylinder tubes 4 of piston are divided into left chamber and right chamber, are connected through oil with piston 9 left end
Cylinder barrel 4, the valve core shaft 17 of oil cylinder left end cap 7, valve core shaft 17 left axle end is provided with rotary handle 8, rotary handle 8 and valve element
Rotating shaft 17 is fixedly connected.
As shown in Figure 3, Figure 4, described valve core shaft 17 has C-shaped channel A18 on Section A-A, is separated by A-A whole cross section
90 ° of place has contrary C-shaped channel B19 of opening direction, the oil duct 21 in valve core shaft 17A-A section and oil cylinder left end cap 7
Communicate.
As shown in Figure 1 and Figure 2, described oil cylinder left end cap 7 vertical direction has oilhole A6 towards right chamber near upper surface, oil
There is the oilhole B5 towards left chamber in the middle part of cylinder left end cap rear end face.
Wear-resistant strip 12 and O-ring seal 20 are passed through in sealing between described cylinder tube 4 and piston 9.
It is disposed with height lip y-type seal ring A13 from left to right, guiding between described piston rod 1 and oil cylinder right end cap 2
Band 14, dust ring 15.
Described piston rod 1 is fixedly connected by interior hexagonal cylindrical screw A10 at piston 9 left axle end with piston 9.
Described rotary handle 8 passes through flat key with valve core shaft 17 and interior hexagonal tapered end holding screw 11 is fixedly connected.
Described valve core shaft 17 and oil cylinder left end cap 7 pass through height lip y-type seal ring B16 and seal.
The adjusting range of described rotary handle 8 is 0 ° to 90 °, and from 0 ° to 90 °, it is outer that hydraulic system is controlled adjusting range
The tensioning state of part device is by pine to tightly.
Described when rotary handle 8 is adjusted to 90 °, rotary handle 8 passes through hexagon socket cap head screw with oil cylinder left end cap 7
B11 positions.
A kind of hydraulic tensioning one cylinder efficient principle and process：The external device (ED) that initial condition is controlled by hydraulic system
For the state unclamped, gradually rotated to 90 ° from 0 ° by adjusting rotary handle 8, drive valve core shaft 17 to gradually rotate C-shaped channel
A18 and with oilhole A6 channel connection, from oilhole A6 oil-feed from oilhole B5 oil return, hydraulic fluid pressure band piston 9 is to the right for hydraulic oil
The external device (ED) that movement progress hydraulic system is controlled reaches the state of gradually tensioning；By adjusting rotary handle 8 from 90 ° gradually
To 0 ° rotate, drive valve core shaft 17 be gradually distance from C-shaped channel A18 turn to C-shaped channel B19 and with oilhole B5 channel connection, hydraulic pressure
Oil from oilhole B5 oil-feed from oilhole A6 oil return, hydraulic fluid pressure with piston 9 to the left movement progress hydraulic system controlled outer
Part device reaches the state gradually unclamped.
Benefit of the present utility model：
1st, a kind of hydraulic tensioning one oil cylinder of the present utility model, directly can adjust oil cylinder valve element by rotary handle 8 and turn
Axle 17 changes oil-feed direction, can be achieved with the tensioning of hydraulic system driving device and unclamps, easy to adjust, save space.
2nd, a kind of hydraulic tensioning one oil cylinder of the present utility model, valve core rotation axle 17 and cylinder design are integrated, knot
Structure is compact, simply, greatly cost-effective.
3rd, a kind of hydraulic tensioning one oil cylinder of the present utility model, is not easily blocked, and detachable maintaining is convenient.
The above, specific embodiment only of the present utility model, but protection domain of the present utility model does not limit to
In this, any change or replacement expected without creative work, all should cover within protection domain of the present utility model.
Therefore, protection domain of the present utility model should be defined by the protection domain that claims are limited.
Claims (10)
1. a kind of hydraulic tensioning one oil cylinder, including oil cylinder left end cap (7), oil cylinder right end cap (2), cylinder tube (4), piston (9),
Piston rod (1), valve core shaft (17), rotary handle (8), cylinder tube (4) left and right two ends be respectively arranged with oil cylinder left end cap (7) and
Oil cylinder right end cap (2), oil cylinder left end cap (7) and oil cylinder right end cap (2) are fixedly connected by four hex bolts (3), cylinder tube
(4) it is internally provided with piston (9), in the middle part of piston (9) right-hand member, has blind hole, piston rod (1) is secured to the cooperation of piston (9) blind hole
Connect, piston rod (1) passes through oil cylinder right end cap (2), piston (9) is divided into left chamber and right chamber cylinder tube (4), left with piston (9)
End is connected through the valve core shaft (17) of cylinder tube (4), oil cylinder left end cap (7), and valve core shaft (17) left axle end is provided with rotation
Handle (8), rotary handle (8) is fixedly connected with valve core shaft (17).
2. a kind of hydraulic tensioning one oil cylinder according to claim 1 is it is characterised in that described valve core shaft (17) is in A-
C-shaped channel A (18) is had on A section, the place being separated by 90 ° in A-A whole cross section has contrary C-shaped channel B of opening direction (19),
Valve core shaft (17) Section A-A is communicated with the oil duct (21) in oil cylinder left end cap (7).
3. a kind of hydraulic tensioning one oil cylinder according to claim 1 is it is characterised in that described oil cylinder left end cap (7) erects
Nogata, to the oilhole A (6) having near upper surface towards right chamber, has the oilhole B towards left chamber in the middle part of oil cylinder left end cap rear end face
(5).
4. a kind of hydraulic tensioning one oil cylinder according to claim 1 is it is characterised in that described cylinder tube (4) and piston
(9) wear-resistant strip (12) and O-ring seal (20) are passed through in the sealing between.
5. a kind of hydraulic tensioning one oil cylinder according to claim 1 is it is characterised in that described piston rod (1) and oil cylinder
It is disposed with height lip y-type seal ring A (13), guidance tape (14), dust ring (15) from left to right between right end cap (2).
6. a kind of hydraulic tensioning one oil cylinder according to claim 1 is it is characterised in that described piston rod (1) and piston
(9) it is fixedly connected by interior hexagonal cylindrical screw A (10) at piston (9) left axle end.
7. a kind of hydraulic tensioning one oil cylinder according to claim 1 is it is characterised in that described rotary handle (8) and valve
Core rotating shaft (17) is fixedly connected with interior hexagonal tapered end holding screw (11) by flat key (21).
8. a kind of hydraulic tensioning one oil cylinder according to claim 1 it is characterised in that described valve core shaft (17) with oil
Cylinder left end cap (7) passes through height lip y-type seal ring B (16) and seals.
9. a kind of hydraulic tensioning one oil cylinder according to claim 1 is it is characterised in that the tune of described rotary handle (8)
Whole scope is 0 ° to 90 °, and, from 0 ° to 90 °, the tensioning state of the external device (ED) that hydraulic system is controlled is by pine to tightly for adjusting range.
10. a kind of hydraulic tensioning one oil cylinder according to claim 1 it is characterised in that described when rotary handle (8) adjust
Whole to 90 ° when, rotary handle (8) and oil cylinder left end cap (7) pass through hexagon socket cap head screw B (11) and position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620992054.5U CN205991050U (en) | 2016-08-30 | 2016-08-30 | A kind of hydraulic tensioning one oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620992054.5U CN205991050U (en) | 2016-08-30 | 2016-08-30 | A kind of hydraulic tensioning one oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205991050U true CN205991050U (en) | 2017-03-01 |
Family
ID=58105799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620992054.5U Expired - Fee Related CN205991050U (en) | 2016-08-30 | 2016-08-30 | A kind of hydraulic tensioning one oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205991050U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194893A (en) * | 2016-08-30 | 2016-12-07 | 缙云县博新机械有限公司 | A kind of hydraulic tensioning one oil cylinder |
-
2016
- 2016-08-30 CN CN201620992054.5U patent/CN205991050U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194893A (en) * | 2016-08-30 | 2016-12-07 | 缙云县博新机械有限公司 | A kind of hydraulic tensioning one oil cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170301 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |