CN207892923U - A kind of hydraulic cylinder - Google Patents
A kind of hydraulic cylinder Download PDFInfo
- Publication number
- CN207892923U CN207892923U CN201820302507.6U CN201820302507U CN207892923U CN 207892923 U CN207892923 U CN 207892923U CN 201820302507 U CN201820302507 U CN 201820302507U CN 207892923 U CN207892923 U CN 207892923U
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- cylinder
- water
- hydraulic cylinder
- piston rod
- proof block
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Abstract
The utility model is related to technical field of hydraulic pressure, specifically be a kind of hydraulic cylinder, including cylinder body (1), the cylinder body (1) includes the pedestal (2) being fixedly connected and cylinder barrel (3), a kind of hydraulic cylinder further includes piston (4), piston rod (5) and cylinder cap (6), the cylinder cap (6) is fixed on the end of cylinder body (1), the one end of the cylinder barrel (3) far from pedestal (2) is equipped with axial ledge (9), it is connected with water-proof block (10) in the axial ledge (9), water-proof block (10) is located at the side of cylinder cap (6), the water-proof block (10) has the relief hole (11) for stepping down to piston rod (5), the piston rod (5) is arranged across relief hole (11).There is provided one kind prevents water from entering cylinder cap position, can be to avoid the hydraulic cylinder influenced by water at cylinder cap position.
Description
Technical field
The utility model is related to technical field of hydraulic pressure, specifically be a kind of hydraulic cylinder.
Background technology
In the prior art, the driving end of hydraulic cylinder does not have waterproof construction generally, therefore is easy to be influenced by water, for a long time
The stability of hydraulic cylinder can be influenced after work.
Second, generally only tool is there are one oil inlet and an oil outlet for hydraulic cylinder, in this way, only an oil inlet and one go out
Hydraulic fluid port unevenness with the phenomenon that will appear piston discontinuity, it is possible to system jams occur, influence the work of hydraulic cylinder
Stability.
Third, pervious is to be unfavorable for practical operation, and mounting stability needs to be carried using the single hole position installation of cylinder bottom
It is high.
Utility model content
The utility model aims to solve at least one of above-mentioned technical problem.
Technical problem to be solved by the utility model is to provide one kind to prevent water from entering cylinder cap position, can be to avoid
The hydraulic cylinder influenced by water at cylinder cap position.
In order to solve the above technical problems, a kind of hydraulic cylinder of the utility model, including cylinder body, the cylinder body include fixed connect
The pedestal and cylinder barrel connect, a kind of hydraulic cylinder further includes piston, piston rod and cylinder cap, and the cylinder cap is fixed on the end of cylinder body
Portion, the piston are movably connected in cylinder body, and cylinder body is divided into the first oil pocket and the second oil pocket, the piston rod one by the piston
End is fixedly connected with the piston, and the piston rod passes through cylinder cap to be arranged and is slidably connected with cylinder cap；It is characterized in that, the cylinder barrel is remote
Disseat one end of body is equipped with axial ledge, water-proof block is connected in the axial ledge, water-proof block is located at the side of cylinder cap, described to prevent
There is water block the relief hole for stepping down to piston rod, the piston rod to be arranged across relief hole.
With the above structure, it has the following advantages that：Water-proof block, which plays, prevents water from entering cylinder cap position, can be to avoid cylinder
Lid is influenced at position by water, to be further ensured that the stability of hydraulic cylinder.
On the basis of using above-mentioned technical proposal, there can also be following technical characteristic：
It refers to that the axial ledge is connected with water-proof block interference fit that water-proof block is connected in the axial ledge.In this way,
The connection type of interference fit can be convenient for assembly, and stable structure, and the position of interference fit also allows for waterproof, avoid water from
Enter in gap.
The side wall of the relief hole is equipped with annular groove, and O-ring, the O-ring and piston are equipped in the annular groove
Bar is slidably connected.This way it is possible to avoid water enters between piston rod and water-proof block, water resistance is further increased.
The there are two the first oilhole of the first oil pocket of connection and two the second oil pockets of connection is set on the side wall of the cylinder body
Two oilholes.In this way, using the double fuel-displaced settings of double oil inlets, it is ensured that hydraulic cylinder oil inlet or it is fuel-displaced when it is uniform, improve hydraulic pressure
The stability of cylinder during the work time.
The hydraulic cylinder further includes mounting plate, and the mounting plate is fixed on cylinder barrel lateral wall, and the mounting plate is along cylinder barrel
Axis direction extend, the mounting plate be equipped with multiple mounting holes.In this way, hydraulic cylinder can be fixed by mounting plate, installation
Plate is equipped with multiple mounting holes so as to so that the fixation that mounting plate consolidates.
Description of the drawings
Fig. 1 is a kind of schematic diagram of hydraulic cylinder of the utility model.
Fig. 2 is a kind of partial sectional view of hydraulic cylinder of the utility model.
Wherein：1, cylinder body；2, pedestal；3, cylinder barrel；4, piston；5, piston rod；6, cylinder cap；7, the first oil pocket；8, the second oil
Chamber；9, axial ledge；10, water-proof block；11, relief hole；12, annular groove；13, O-ring；14, the first oilhole；15, the second oil
Hole；16, mounting plate；17, mounting hole.
Specific implementation mode
Utility model is described in more detail with reference to the accompanying drawings and detailed description.
The essence that those skilled in the art convey them to work to others skilled in the art is will hereinafter use to lead to
The term being often used describes the utility model concept of the disclosure.However, these utility model concepts can be presented as many differences
Form, thus should not be considered limited to embodiments described herein.These embodiments are provided so that present disclosure more
It is detailed and complete, and its range for including completely is conveyed to those skilled in the art.It must also be noted that these embodiments not phase
Mutually repel.Component, step or element from one embodiment may be assumed that into may be present or uses in another embodiment.Not
In the case of the range for being detached from embodiment of the disclosure, institute can be substituted with diversified alternative and/or equivalent implementations
The specific embodiment for showing and describing.The application is intended to any modification or modification of covering embodiments discussed herein.For this
Obviously alternative embodiment can be put into practice for the technical staff in field using only some aspects in described aspect.Herein
For purposes of illustration, specific number, material and configuration are described in embodiment, however, the technical staff in field is not having
In the case of there are these specific details, alternative embodiment can also be put into practice.In other cases, crowd may be omitted or simplified
Well known feature, so as not to make illustrative embodiment be difficult to understand.In addition, hereinafter contributing to understand illustrative implementation
Example describes various operations successively for multiple discrete operations；However, described sequence is not construed as meaning
These operations are necessarily dependent upon sequence execution.But these operations need not be executed with the sequence presented.
" in some embodiments " hereinafter, the phrases such as " in one embodiment " may or may not refer to identical reality
Apply example.Term " comprising ", " having " and "comprising" are synonymous, unless being provided in other ways in context.
It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is set
Have ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, can also be electrical connection；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve the concrete meaning of above-mentioned term in the present invention.
Shown in attached drawing 1-2, a kind of hydraulic cylinder, including cylinder body 1 in one of the embodiments, the cylinder body 1 includes
The pedestal 2 and cylinder barrel 3 being fixedly connected, a kind of hydraulic cylinder further include piston 4, piston rod 5 and cylinder cap 6, and the cylinder cap 6 is fixed
In the end of cylinder body 1, the piston 4 is movably connected in cylinder body 1, and the piston 4 divides cylinder body 1 for the first oil pocket 7 and second
Oil pocket 8,5 one end of the piston rod are fixedly connected with piston 4, and the piston rod 5 passes through cylinder cap 6 to be arranged and slides company with cylinder cap 6
It connects；It is characterized in that, the one end of the cylinder barrel 3 far from pedestal 2 is equipped with axial ledge 9, waterproof is connected in the axial ledge 9
Block 10, water-proof block 10 are located at the side of cylinder cap 6, and the water-proof block 10 has the relief hole 11 for stepping down to piston rod 5, the work
Stopper rod 5 is arranged across relief hole 11.Water-proof block, which plays, prevents water from entering cylinder cap position, can to avoid at cylinder cap position by water
Influence, to be further ensured that the stability of hydraulic cylinder.Water-proof block can be that rubber can also be steel material.
It refers to that the axial ledge 9 is connected with the interference fit of water-proof block 10 that water-proof block 10 is connected in the axial ledge 9.
In this way, the connection type of interference fit can be convenient for assembly, and stable structure, the position of interference fit also allow for waterproof, keep away
Exempt from water from gap to enter.
The side wall of the relief hole 11 is equipped with annular groove 12, and O-ring 13 is equipped in the annular groove 12, described O-shaped
Circle 13 is slidably connected with piston rod 5.This way it is possible to avoid water enters between piston rod and water-proof block, waterproof is further increased
Performance.
First oilhole 14 of the first oil pocket 7 of connection is connected to the second oil pocket 8 with two there are two being set on the side wall of the cylinder body 1
The second oilhole 15.In this way, using the double fuel-displaced settings of double oil inlets, it is ensured that hydraulic cylinder oil inlet or it is fuel-displaced when it is uniform, carry
The stability of high hydraulic cylinder during the work time.It is designed using double hydraulic fluid ports, hydraulic pressure can balance, and be not in impact.Double hydraulic fluid ports
Design can also avoid system jams.
The hydraulic cylinder further includes mounting plate 16, and the mounting plate 16 is fixed on 3 lateral wall of cylinder barrel, the mounting plate 16
Axis direction along cylinder barrel 3 extends, and the mounting plate 16 is equipped with multiple mounting holes 17.In this way, hydraulic cylinder can pass through installation
Plate 15 is fixed, and mounting plate 15 is equipped with multiple mounting holes 16 so as to so that the fixation that mounting plate consolidates.
The above is only the preferably feasible implementation example of the utility model, cannot therefore be limitation the utility model
Interest field, it is for those skilled in the art, all to be made with the technical solution of the utility model and technical concept
Other it is various it is corresponding change should all belong within the protection domain of the utility model claims.
Claims (5)
1. a kind of hydraulic cylinder, including cylinder body (1), the cylinder body (1) includes the pedestal (2) being fixedly connected and cylinder barrel (3), described one
Kind hydraulic cylinder further includes piston (4), piston rod (5) and cylinder cap (6), and the cylinder cap (6) is fixed on the end of cylinder body (1), described
Piston (4) is movably connected in cylinder body (1), and cylinder body (1) is divided into the first oil pocket (7) and the second oil pocket (8) by the piston (4),
Described piston rod (5) one end is fixedly connected with piston (4), and the piston rod (5) passes through cylinder cap (6) to be arranged and slided with cylinder cap (6)
Dynamic connection；It is characterized in that, the one end of the cylinder barrel (3) far from pedestal (2) is equipped with axial ledge (9), the axial ledge (9)
It is inside connected with water-proof block (10), water-proof block (10) is located at the side of cylinder cap (6), and the water-proof block (10) has for piston rod
(5) relief hole (11) stepped down, the piston rod (5) are arranged across relief hole (11).
2. a kind of hydraulic cylinder according to claim 1, which is characterized in that be connected with water-proof block in the axial ledge (9)
(10) refer to that the axial ledge (9) is connected with water-proof block (10) interference fit.
3. a kind of hydraulic cylinder according to claim 1, which is characterized in that it is recessed that the side wall of the relief hole (11) is equipped with annular
Slot (12), the annular groove (12) is interior to be equipped with O-ring (13), and the O-ring (13) is slidably connected with piston rod (5).
4. a kind of hydraulic cylinder according to claim 1, which is characterized in that connect there are two being set on the side wall of the cylinder body (1)
The second oilhole (15) that the first oilhole (14) of logical first oil pocket (7) is connected to the second oil pocket (8) with two.
5. a kind of hydraulic cylinder according to claim 1, which is characterized in that the hydraulic cylinder further includes mounting plate (16), institute
It states mounting plate (16) to be fixed on cylinder barrel (3) lateral wall, the mounting plate (16) extends along the axis direction of cylinder barrel (3), described
Mounting plate (16) is equipped with multiple mounting holes (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820302507.6U CN207892923U (en) | 2018-03-05 | 2018-03-05 | A kind of hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820302507.6U CN207892923U (en) | 2018-03-05 | 2018-03-05 | A kind of hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207892923U true CN207892923U (en) | 2018-09-21 |
Family
ID=63542353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820302507.6U Active CN207892923U (en) | 2018-03-05 | 2018-03-05 | A kind of hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207892923U (en) |
-
2018
- 2018-03-05 CN CN201820302507.6U patent/CN207892923U/en active Active
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