CN205876845U - Hydraulic cylinder structure - Google Patents
Hydraulic cylinder structure Download PDFInfo
- Publication number
- CN205876845U CN205876845U CN201620713130.4U CN201620713130U CN205876845U CN 205876845 U CN205876845 U CN 205876845U CN 201620713130 U CN201620713130 U CN 201620713130U CN 205876845 U CN205876845 U CN 205876845U
- Authority
- CN
- China
- Prior art keywords
- panel
- hydraulic
- oil
- rear end
- end cap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 claims abstract 2
- 239000003921 oil Substances 0.000 abstract description 29
- 239000010720 hydraulic oil Substances 0.000 abstract description 9
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000002199 base oil Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000010727 cylinder oil Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Actuator (AREA)
Abstract
The utility model discloses a hydraulic cylinder structure, including hydraulic cylinder barrel, rear end cap and the piston rod that is located hydraulic cylinder barrel, the piston rod is including installing a plurality of piston body and outstanding piston end pole in the piston body end that encircle the rubber circle of setting, be equipped with in the rear end cap one with rear end cap coaxial arrangement's panel, the center of panel is equipped with the end pole hole that supplies piston end pole to slide in, it is equipped with a plurality of oil gallerys that run through to surround end pole hole on the panel, but be equipped with the steel ball that the oil gallery was perhaps opened in the shutoff in the oil gallery, be equipped with the oil return chamber between piston body and panel. The installation between piston body and rear end cap of this hydraulic cylinder structure is equipped with the panel of a plurality of oil gallerys, and when hydraulic cylinder started, partial hydraulic oil can promote the steel ball and open the oil gallery to getting back to the oil return chamber through the oil gallery and forming thrust to piston body, can make piston body impel more smoothly, reach the purpose of smooth starting more, this utility model is used for the hydraulic cylinder structure field.
Description
Technical field
This utility model relates to technical field of hydraulic oil cylinder, particularly relates to a kind of oil cylinder structure of hydraulic.
Background technology
At present in technical field of hydraulic pressure, the buffer structure of hydraulic jack one bumper post of design the most on the piston rod
Plug, design one oilhole with matching in end cap.When piston rod runs to end of travel to end cap, buffer plunger enters cylinder
In base oil hole, fluid is flowed out by the buffer gap of buffer plunger with end cap oilhole stroke, reaches buffering effect.
But, when hydraulic jack starts, start area the least, cause starting pressure high slow with toggle speed.Additionally,
Buffer plunger departs from the moment of end cap oilhole, also can produce abnormal sound because of the instantaneous increase in oil pocket space.
Utility model content
The purpose of this utility model be to provide a kind of can the oil cylinder structure of hydraulic of more smooth starting.
Technical solution adopted in the utility model is:
A kind of oil cylinder structure of hydraulic, including hydraulic cylinder, rear end cap and the piston rod being positioned at hydraulic cylinder, piston rod bag
Include and some piston main bodies around the rubber ring arranged are installed and protrude from the piston end bar of piston main body termination, in rear end cap
It is provided with one and is provided with the end rod aperture slipped into for piston end bar, cincture on panel with the coaxial mounted panel of rear end cap, the center of panel
End rod aperture is provided with some spill ports run through, and is provided with the steel ball that can block or open spill port in spill port, piston main body and
Oil back chamber it is provided with between panel.
Being further used as the improvement of technical solutions of the utility model, the side being positioned at oil back chamber in spill port is provided with plug,
The shoulder hole that the aperture, opposite side position of spill port reduces, be provided with in spill port be positioned at shoulder hole side steel ball and be positioned at steel ball and
Spring between plug.
Being further used as the improvement of technical solutions of the utility model, plug is fixedly installed in spill port by spiral connection
In, the center of plug is provided with the plug oil-through hole running through plug.
It is further used as the improvement of technical solutions of the utility model, in rear end cap, is provided with the bulk oil communicated with delivery outlet
Hole, and it is positioned at the receiving chamber of the stepped distribution in main body oilhole rear end, the middle part accommodating chamber is panel, and the both sides of panel are respectively
Form oil back chamber and the internal diameter cushion chamber more than main body oilhole.
Being further used as the improvement of technical solutions of the utility model, the periphery of panel is provided with external screw thread, panel and receiving chamber
Inner thread connect.
Being further used as the improvement of technical solutions of the utility model, the opening of rear end cap stretches in hydraulic cylinder, rear end
Cover and pass through between hydraulic cylinder to weld or threaded fixing.
Being further used as the improvement of technical solutions of the utility model, piston end bar is matched in clearance with end rod aperture.
The beneficial effects of the utility model: this oil cylinder structure of hydraulic is installed between piston main body and rear end cap and is provided with some times
The panel of oilhole, when hydraulic jack starts, section hydraulic oil can promote steel ball to open spill port, and is returned to back by spill port
Oil pocket forms thrust to piston main body, piston main body can be made more smoothly to advance, reach the purpose of more smooth starting.
Accompanying drawing explanation
The utility model is described in further detail below in conjunction with the accompanying drawings:
Fig. 1 is this utility model embodiment overall structure schematic diagram；
Fig. 2 is rear end cap and panel fit structure schematic diagram in this utility model embodiment；
Fig. 3 is panel construction left view in this utility model embodiment.
Detailed description of the invention
With reference to Fig. 1～Fig. 3, this utility model be one oil cylinder structure of hydraulic, including hydraulic cylinder 1, rear end cap 2 be positioned at
Piston rod 3 in hydraulic cylinder 1, piston rod 3 includes being provided with some piston main bodies 32 around the rubber ring 31 arranged and dashing forward
For the piston end bar 33 of piston main body 32 termination, be provided with in rear end cap 2 one with the coaxial mounted panel of rear end cap 24, panel 4
Center be provided with the end rod aperture 41 slipped into for piston end bar 33, panel 4 is provided with some spill ports run through around end rod aperture 41
42, it is provided with the steel ball 43 that can block or open spill port 42 in spill port 42, between piston main body 32 and panel 4, is provided with oil back chamber
5。
This oil cylinder structure of hydraulic installs the panel 4 being provided with some spill ports 42 between piston main body 32 and rear end cap 2, at liquid
When compressing cylinder starts, section hydraulic oil can promote steel ball 43 to open spill port 42, and returns to oil back chamber 5 to work by spill port 42
Plug main body 32 forms thrust, piston main body 32 can be made more smoothly to advance, reach the purpose of more smooth starting.
As this utility model preferred embodiment, the side being positioned at oil back chamber 5 in spill port 42 is provided with plug 45, returns
The shoulder hole that the aperture, opposite side position of oilhole 42 reduces, is provided with in spill port 42 and is positioned at the steel ball 43 of shoulder hole side and is positioned at steel
Spring 44 between pearl 43 and plug 45.
As this utility model preferred embodiment, plug 45 is fixedly installed in spill port 42 by spiral connection,
The center of plug 45 is provided with the plug oil-through hole running through plug 45.
As this utility model preferred embodiment, in rear end cap 2, it is provided with the main body oilhole 6 communicated with delivery outlet, with
And it being positioned at the receiving chamber of the stepped distribution in main body oilhole 6 rear end, the middle part accommodating chamber is panel 4, the both sides of panel 4 shape respectively
Become oil back chamber 5 and the internal diameter cushion chamber 7 more than main body oilhole 6.
As this utility model preferred embodiment, the periphery of panel 4 is provided with external screw thread, and panel 4 is interior with receiving chamber
Wall is threaded.
As this utility model preferred embodiment, the opening of rear end cap 2 stretches in hydraulic cylinder 1, rear end cap 2 with
By welding or threaded fixing between hydraulic cylinder 1.
As this utility model preferred embodiment, piston end bar 33 is matched in clearance with end rod aperture 41.
Shoulder hole aperture in spill port 42 reduces, and the sphere diameter of steel ball 43 is slightly less than the internal diameter of spill port 42, and more than rank
The aperture in ladder hole, forms effectively stop by shoulder hole to steel ball 43, and under hydraulic jack normal condition, spring 44 is in and is compressed
State, withstands on shoulder hole one end by steel ball 43, seals shoulder hole.When hydraulic jack starts, steel ball 43 seals in spill port 42
Shoulder hole, can not be flowed in main body oilhole 6 by spill port 42 from the hydraulic oil that comes of piston main body 32 side extruding, be only capable of
The opposite side of panel 4 is flowed into by the end rod aperture 41 at panel 4 center.
The hydraulic oil entering opposite side enters in cushion chamber 7 and main body oilhole 6, piston end bar 33 when promoting hydraulic oil,
Hydraulic oil is entered by shoulder hole at the opposite side of steel ball 43, presses steel ball 43, compression spring 44, thus opens shoulder hole,
Realize oil return, and it is interior to piston main body 32 formation compressing to enter oil back chamber 5 by spill port 42 so that the operation of piston main body 32
More steady.
Plug 45 is arranged in panel 4, and mainly the other end to spring 44 is formed and supports, and blocking up by plug 45 center
The setting of head oil-through hole, the operation to hydraulic oil does not forms blocking.
The setting of spill port 42 number on panel 4, determines according to the uninterrupted of hydraulic jack.
This oil cylinder structure of hydraulic overcome present on the end cover structure in existing cushion cylinder oil cylinder start area little,
Starting that pressure is high and toggle speed waits deficiency slowly, this end cover structure has oil cylinder and starts that area is big, startup pressure is low, toggle speed
Fast and stable advantage.
Certainly, the invention is not limited to above-mentioned embodiment, and those of ordinary skill in the art are without prejudice to this
Also can make equivalent variations or replacement on the premise of utility model spirit, modification or the replacement of these equivalents are all contained in the application
In claim limited range.
Claims (7)
1. an oil cylinder structure of hydraulic, it is characterised in that: include hydraulic cylinder, rear end cap and be positioned at the work of described hydraulic cylinder
Stopper rod, described piston rod includes being provided with some piston main bodies around the rubber ring arranged and protruding from described piston main body end
The piston end bar of head, is provided with one and is provided with for living with the coaxial mounted panel of rear end cap, the center of described panel in described rear end cap
The end rod aperture that plug end bar slips into, described panel is provided with some spill ports run through around end rod aperture, is provided with in described spill port
Can block or open the steel ball of spill port, between described piston main body and panel, be provided with oil back chamber.
Oil cylinder structure of hydraulic the most according to claim 1, it is characterised in that: it is positioned at the side of oil back chamber in described spill port
It is provided with plug, the shoulder hole that the aperture, opposite side position of described spill port reduces, it is provided with in described spill port and is positioned at shoulder hole side
Steel ball and the spring that is positioned between steel ball and plug.
Oil cylinder structure of hydraulic the most according to claim 2, it is characterised in that: described plug connects fixed installation by spiral
In spill port, the center of described plug is provided with the plug oil-through hole running through plug.
Oil cylinder structure of hydraulic the most according to claim 1, it is characterised in that: it is provided with in described rear end cap and communicates with delivery outlet
Main body oilhole, and be positioned at the receiving chamber of the stepped distribution in described main body oilhole rear end, the middle part in described receiving chamber is embedding
Plate, the both sides of described panel form oil back chamber and the internal diameter cushion chamber more than main body oilhole respectively.
Oil cylinder structure of hydraulic the most according to claim 4, it is characterised in that: the periphery of described panel is provided with external screw thread, institute
State panel to be connected with the inner thread accommodating chamber.
Oil cylinder structure of hydraulic the most according to claim 4, it is characterised in that: the opening of described rear end cap stretches into hydraulic cylinder
Cylinder in, described rear end cap with between hydraulic cylinder by weld or threaded fix.
Oil cylinder structure of hydraulic the most according to claim 1, it is characterised in that: described piston end bar is that gap is joined with end rod aperture
Close.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620713130.4U CN205876845U (en) | 2016-07-07 | 2016-07-07 | Hydraulic cylinder structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620713130.4U CN205876845U (en) | 2016-07-07 | 2016-07-07 | Hydraulic cylinder structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205876845U true CN205876845U (en) | 2017-01-11 |
Family
ID=57696024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620713130.4U Expired - Fee Related CN205876845U (en) | 2016-07-07 | 2016-07-07 | Hydraulic cylinder structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205876845U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106945324A (en) * | 2017-04-27 | 2017-07-14 | 平湖市通力机械有限公司 | A kind of high-mechanic gate-type forcing press |
-
2016
- 2016-07-07 CN CN201620713130.4U patent/CN205876845U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106945324A (en) * | 2017-04-27 | 2017-07-14 | 平湖市通力机械有限公司 | A kind of high-mechanic gate-type forcing press |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20200119 Granted publication date: 20170111 |
|
| PP01 | Preservation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20230119 Granted publication date: 20170111 |
|
| PD01 | Discharge of preservation of patent |