CN109253126A - Sealed hydraulic oil cylinder - Google Patents
Sealed hydraulic oil cylinder Download PDFInfo
- Publication number
- CN109253126A CN109253126A CN201811392554.5A CN201811392554A CN109253126A CN 109253126 A CN109253126 A CN 109253126A CN 201811392554 A CN201811392554 A CN 201811392554A CN 109253126 A CN109253126 A CN 109253126A
- Authority
- CN
- China
- Prior art keywords
- block
- placing groove
- piston rod
- cylinder barrel
- fixed block
- 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.)
- Pending
Links
- 239000010720 hydraulic oil Substances 0.000 title claims description 14
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 239000003921 oil Substances 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1457—Piston rods
- F15B15/1461—Piston rod sealings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2215/00—Fluid-actuated devices for displacing a member from one position to another
- F15B2215/30—Constructional details thereof
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
Abstract
The invention relates to the technical field of hydraulic cylinders, in particular to a sealed hydraulic cylinder which comprises a cylinder barrel, wherein two fixed blocks are arranged at the top end of the cylinder barrel, each fixed block is fixed on the cylinder barrel through a bolt, a first placing groove is formed in one side, close to a piston rod, of each fixed block, a first sealing gasket is fixedly arranged in each first placing groove, one side, far away from the first placing groove, of each first sealing gasket is in contact with the piston rod, a groove is formed in each fixed block and is positioned below the first placing groove, a spring is fixedly connected in each groove, one end, far away from the groove, of each spring is fixedly connected with a stop block, one side, far away from the spring, of each stop block is fixedly connected with an ash wiping pad, one side, far away from the stop block, of each ash wiping pad is in contact with the piston rod, a second placing groove is formed in the lower portion. The invention has simple structure and is worth popularizing.
Description
Technical field
The present invention relates to technical field of hydraulic oil cylinder more particularly to a kind of sealed hydraulic oil cylinders.
Background technique
Hydraulic cylinder is that hydraulic energy is changed into mechanical energy, the hydraulic of straight reciprocating motion (or pendulum motion) is done and executes member
Part.Its structure is simple, reliable operation.Deceleration device when realizing reciprocating motion, can be removed from it, and do not have drive gap,
Movement is steady, therefore is used widely in the hydraulic system of various machinery.Hydraulic cylinder is the execution in Hydraulic Power Transmission System
Element, it is the energy conversion device for hydraulic energy being converted into mechanical energy.Hydraulic motor is accomplished that continuous rotary moves, and liquid
What cylinder pressure was realized is then to move back and forth.The structural shape of hydraulic cylinder has piston cylinder, plunger case, an oscillating cylinder three categories, piston cylinder and
Plunger case realizes linear reciprocating motion, output speed and thrust, and oscillating cylinder realizes reciprocally swinging, output angular velocity and torque.Liquid
Cylinder pressure to combine two or morely or can get up use other than individually use with other Mechanism Combinations.With complete
At special function.
In long-term use, some small particles can damage the sealing effect of dustband, into protective cover, attachment
On the piston rod, in the case where external environment is relatively more severe, piston rod plucking, excessive wear, deformation, oil leak can be made；Piston
Bar positioning, steering capability reduce.
Summary of the invention
The purpose of the present invention is to solve molecule attachment exists in the prior art on the piston rod, and mention
A kind of sealed hydraulic oil cylinder out.
To achieve the goals above, present invention employs following technical solutions:
A kind of sealed hydraulic oil cylinder, including cylinder barrel are designed, the bottom end side of the cylinder barrel is equipped with oil filler point, the cylinder barrel
Inside is equipped with piston, and the upper end of the piston is fixedly connected with piston rod, and the piston rod extends far from one end of the piston
To the outside of the cylinder barrel, the top of the cylinder barrel is set there are two fixed block, and each fixed block is bolted on
On the cylinder barrel, the side on each fixed block close to the piston rod is equipped with the first placing groove, and each described first
Be fixed with the first gasket in placing groove, side of each first gasket far from first placing groove with it is described
Piston rod is in contact, and is located at below first placing groove on each fixed block and is all provided with fluted, each groove
It is inside fixedly connected to spring, each spring is fixedly connected to block, each gear far from one end of the groove
Block is fixedly connected to wiping ash pad far from the side of the spring, and each ash of wiping pads the side far from the block and institute
It states piston rod to be in contact, the second placing groove is equipped with positioned at the lower section of the fixed block on the cylinder barrel, in second placing groove
It is fixed with the second gasket.
Preferably, the fixed block is semicircle fixed block, and two fixed block groups are combined into an annulus block.
Preferably, first gasket and second gasket are rubber pad.
Preferably, the two sides of the block are smooth.
A kind of sealed hydraulic oil cylinder proposed by the present invention, beneficial effect are: the present invention passes through the first gasket and second
Gasket double-layer seal, the first gasket stop extraneous molecule to carry out in cylinder barrel, and the second gasket stops on piston rod
Molecule enters in cylinder barrel, and the molecule on cleaning pad structure wipes piston rod, structure is simple, do not have molecule into
Enter in cylinder barrel, piston rod will not be worn.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of sealed hydraulic oil cylinder proposed by the present invention；
Fig. 2 is a kind of structural schematic diagram of sealed hydraulic oil cylinder proposed by the present invention.
In figure: cylinder barrel 1, oil filler point 2, piston 3, piston rod 4, fixed block 5, bolt 6, the first placing groove 7, the first gasket
8, groove 9, spring 10, block 11, wiping grey pad 12, the second gasket 13, the second placing groove 14.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-2, the bottom end side of a kind of sealed hydraulic oil cylinder, including cylinder barrel 1, cylinder barrel 1 is equipped with oil filler point 2, oiling
The effect in hole 2 is the oiling into cylinder barrel 1, and the inside of cylinder barrel 1 is equipped with piston 3, and the upper end of piston 3 is fixedly connected with piston rod 4, living
Stopper rod 4 extends to the outside of cylinder barrel 1 far from one end of piston 3, and the top of cylinder barrel 1 is set there are two fixed block 5, and fixed block 5 is half
Circle fixed block, piston rod 4 is wrapped up, and two 5 groups of fixed block are combined into an annulus block, and each fixed block 5 is fixed by bolt 6
On cylinder barrel 1.
Side on each fixed block 5 close to piston rod 4 is equipped with the first placing groove 7, solid in each first placing groove 7
Surely it is equipped with the first gasket 8, the effect of the first gasket 8 is the inside for avoiding extraneous molecule from entering cylinder barrel 1, each first
Gasket 8 is in contact far from the side of the first placing groove 7 with piston rod 4, is located under the first placing groove 7 on each fixed block 5
Fang Junshe fluted 9, it is installation wiping arrangement that groove 9, which is put into effect, is fixedly connected to spring 10, spring in each groove 9
10 effect is so that wiping grey pad 12 is close to piston rod 4, and each spring 10 is fixedly connected to block far from one end of groove 9
11, the effect of block 11 is will to wipe grey pad 12 to be tightly attached on piston rod 4, and the two sides of block 11 are smooth, reduce with 9 inner wall of groove it
Between friction.
Each block 11 is fixedly connected to the grey pad 12 of wiping far from the side of spring 10, and the effect for wiping grey pad 12 is that wiping is attached
The molecule on piston rod 4, side of the grey pad 12 of each wiping far from block 11 is in contact with piston rod 4, on cylinder barrel 1
It is equipped with the second placing groove 14 positioned at the lower section of fixed block 5, the second gasket 13, the second sealing are fixed in the second placing groove 14
The effect of pad 13 is that further blocking molecule enters in cylinder barrel 1, and the first gasket 8 and the second gasket 13 are rubber
Pad.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (4)
1. the bottom end side of a kind of sealed hydraulic oil cylinder, including cylinder barrel (1), the cylinder barrel (1) is equipped with oil filler point (2), the cylinder
The inside of cylinder (1) is equipped with piston (3), and the upper end of the piston (3) is fixedly connected with piston rod (4), and the piston rod (4) is separate
One end of the piston (3) extends to the outside of the cylinder barrel (1), which is characterized in that there are two the top of the cylinder barrel (1) is set
Fixed block (5), each fixed block (5) are fixed on the cylinder barrel (1) by bolt (6), each fixed block (5)
The upper side close to the piston rod (4) is equipped with the first placing groove (7), and fixation is set in each first placing groove (7)
Have the first gasket (8), side and the piston rod of each first gasket (8) far from first placing groove (7)
(4) it is in contact, is located at below first placing groove (7) on each fixed block (5) and is all provided with fluted (9), Mei Gesuo
It states and is fixedly connected to spring (10) in groove (9), the one end of each spring (10) far from the groove (9) is fixed to be connected
It is connected to block (11), each block (11) is fixedly connected to wiping ash pad (12) far from the side of the spring (10), often
A ash pad (12) of wiping is in contact with the piston rod (4) far from the side of the block (11), and the cylinder barrel (1) is upper
The second placing groove (14) are equipped in the lower section of the fixed block (5), are fixed with the second sealing in second placing groove (14)
It pads (13).
2. a kind of sealed hydraulic oil cylinder according to claim 1, which is characterized in that the fixed block (5) is fixed for semicircle
Block, two fixed block (5) groups are combined into an annulus block.
3. a kind of sealed hydraulic oil cylinder according to claim 1, which is characterized in that first gasket (8) and described
Second gasket (13) is rubber pad.
4. a kind of sealed hydraulic oil cylinder according to claim 1, which is characterized in that the two sides of the block (11) are smooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811392554.5A CN109253126A (en) | 2018-11-21 | 2018-11-21 | Sealed hydraulic oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811392554.5A CN109253126A (en) | 2018-11-21 | 2018-11-21 | Sealed hydraulic oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109253126A true CN109253126A (en) | 2019-01-22 |
Family
ID=65043952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811392554.5A Pending CN109253126A (en) | 2018-11-21 | 2018-11-21 | Sealed hydraulic oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109253126A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111197608A (en) * | 2020-02-19 | 2020-05-26 | 滁州易深机械制造有限公司 | Sealed hydraulic oil cylinder |
-
2018
- 2018-11-21 CN CN201811392554.5A patent/CN109253126A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111197608A (en) * | 2020-02-19 | 2020-05-26 | 滁州易深机械制造有限公司 | Sealed hydraulic oil cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190122 |
|
| WD01 | Invention patent application deemed withdrawn after publication |