CN206234197U - To inlet hydraulic cylinder - Google Patents
To inlet hydraulic cylinder Download PDFInfo
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- CN206234197U CN206234197U CN201621332128.9U CN201621332128U CN206234197U CN 206234197 U CN206234197 U CN 206234197U CN 201621332128 U CN201621332128 U CN 201621332128U CN 206234197 U CN206234197 U CN 206234197U
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- piston
- cylinder body
- cylinder
- piston rod
- fairlead
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Abstract
The utility model discloses to inlet hydraulic cylinder, including cylinder body, piston, piston rod and cylinder bottom, welded between cylinder bottom and cylinder body, composition rodless cavity cavity, compared with rod-pulling type hydraulic cylinder, not only there is the dimensional space needed for reducing screw-nut, make its simple structure, the advantages of small in volume, and it is aging to solve cylinder bottom end seal, or the cylinder bottom external leakage that some other reasons cause, fairlead uses high-strength cast iron, extend fairlead service life in the presence of a harsh environment, and sealing ring is provided between fairlead and piston rod, guarantee will not be revealed using the hydraulic oil of cylinder interior in the presence of a harsh environment, XY type sealing rings are additionally provided between piston and cylinder body, hydraulic cylinder also has good sealing in low pressure.
Description
Technical field
The utility model is related to a kind of mechanical transmission mechanism, and in particular to inlet hydraulic cylinder.
Background technology
Hydraulic drive has the advantages that many protrusions, therefore its application is widely, such as the plastic processing of general industry
Machinery, press, lathe etc.；Engineering machinery, building machinery, agricultural machinery, automobile in walking machine etc.；Steel and iron industry is used
Metallurgical machinery, lifting device, roll adjusting device etc.；The flood gate and dam installation of building hydraulic engineering, riverbed liter
Falling unit, bridge operating mechanism etc.；Power plant turbine arrangements for speed regulation, nuclear power plant etc.；The deck crane tool of ship
(winch), fore door, bulkhead valve, stern propeller etc.；The huge antenna control device of special technique, measurement buoy, lifting
Revolving stage etc.；The cannon manipulation device of war industry, ship stabilizer, aerial vehicle simulation, the folding and unfolding of undercarriage
Apparatus and direction rudder control device etc..Hydraulic cylinder be by hydraulic energy be changed into mechanical energy, do straight reciprocating motion (or swing fortune
It is dynamic) hydraulic actuator, its simple structure, reliable operation when being realized moving back and forth with it, can remove deceleration device from, and
And without drive gap, stable movement, therefore be used widely in the hydraulic system of various machineries.Core-drill(ing) machine is applied to
Tunnel, gallery engineering drilling, geologic province generaI investigation；It is also applied for the engineering geology such as building, hydroelectric project, highway, railway, harbour
Reconnoitre, miniature pile foundation hole drilling etc., therefore, the environment that core-drill(ing) machine usually works is more severe, often in operation of appearing, work
And its frequently, and maintenance condition is poor, the hydraulic cylinder in core-drill(ing) machine, due to being influenceed by adverse circumstances,
And maintenance inconvenience, often it is susceptible to hydraulic cylinder and leaks great quality accident, have influence on the process of engineering.
Utility model content
Technical problem to be solved in the utility model be because core-drill(ing) machine often works under more rugged environment,
Usually open work is exposed to the sun and rain, and work is frequent, and due to work under bad environment, work is frequent, and the fairlead inside hydraulic cylinder holds
It is easy to wear, and cause to be contacted between fairlead and piston rod, piston rod and fairlead are pulled, there is the great quality accident of draining,
And when low pressure, pressurize, the sealing between piston and cylinder body is poor, leakage is susceptible to, it is therefore intended that provide use
In adverse circumstances to inlet hydraulic cylinder, the above is solved the problems, such as.
The utility model is achieved through the following technical solutions：
To inlet hydraulic cylinder, including cylinder body, piston, piston rod, cylinder bottom, the piston rod is assemblied in cylinder body, piston rod one
End is connected in piston, and piston is located in cylinder body, and piston rod can be with piston in cylinder body activity, and cylinder body is welded with cylinder bottom, shape
Into rodless cavity cavity, fairlead is provided with cylinder body, cylinder body is externally provided with nut, and nut is connected through a screw thread with cylinder body, and nut
It is directed to set to be fixed in cylinder body, convenient disassembly during maintenance, piston rod is interspersed in fairlead and nut successively, fairlead
Prevent piston rod from directly being contacted with cylinder barrel, two XY type sealing rings are provided between cylinder body and piston, XY type sealing rings are enclosed within piston
On, the sealing between cylinder barrel and piston is improve, prevent the hydraulic fluid leak in cylinder body.
Further, it is additionally provided with support ring between the piston and cylinder body, support ring is primarily subjected to piston and piston rod
Weight, ensures that piston is not contacted with cylinder body during piston movement, and support ring is located between two XY type sealing rings, set
On piston.
Further, the first O-ring is provided between the piston and piston rod, the sealing between piston and piston rod is improved
Property, preventing draining, the first O-ring covers on the piston rod.
Further, stepped sealing ring and U-shaped sealing ring are provided between the fairlead and piston rod, sealing is improved
Property, stepped sealing ring and U-shaped sealing ring are sequentially sleeved on piston rod from the inside to the outside.
Further, the second O-ring is provided between the fairlead and cylinder body, the second O-ring is enclosed within fairlead.
Further, dust ring is provided between the nut and piston rod, dust ring can effectively prevent introduced contaminants
Enter in cylinder body, dust ring covers on the piston rod.
Further, the fairlead uses cast iron quality, strengthens the intensity of fairlead.
The utility model compared with prior art, has the following advantages and advantages：
1st, to inlet hydraulic cylinder, cylinder bottom constitutes rodless cavity cavity to the utility model with cylinder body using welding manner, and traditional
Rod-pulling type hydraulic cylinder compares the dimensional space needed for not only reducing screw-nut, makes its simple structure, small in volume, and
And solve the problems, such as the aging draining for causing of cylinder bottom end seal；
2nd, to inlet hydraulic cylinder, fairlead uses high-strength cast iron to the utility model, even if the frequency under conditions of bad environments
Numerous work, can extend the service life of fairlead, be fixed using nut compressing between cylinder body and fairlead, be easy to workman to maintain
Dismantled during maintenance；
3rd, the utility model is provided with multiple YX types sealing rings to inlet hydraulic cylinder, between piston and cylinder body, in low pressure and pressurize
When, there is preferable sealing between piston and cylinder body.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the utility model embodiment, constitutes the one of the application
Part, does not constitute the restriction to the utility model embodiment.In the accompanying drawings：
Fig. 1 is the utility model structural representation.
Mark and corresponding parts title in accompanying drawing：
1- cylinder bottoms, 2-XY type sealing rings, the O-rings of 3- first, 4- support rings, 5- pistons, 6- cylinder bodies, 7- piston rods, 8- leads
To set, 9- step type sealing rings, the O-rings of 10- second, 11-U type sealing rings, 12- nuts, 13- dust rings.
Specific embodiment
To make the purpose of this utility model, technical scheme and advantage become more apparent, with reference to embodiment and accompanying drawing,
The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this
Utility model, is not intended as to restriction of the present utility model.
Embodiment
As shown in figure 1, the utility model is to inlet hydraulic cylinder, including cylinder body 6, piston 5, piston rod 7 and cylinder bottom 1, it is described
Cylinder bottom 1 constitutes rodless cavity cavity with the welding manner of cylinder body 6, and cylinder body 6 is externally provided with ring flange, and ring flange is rectangular shape, using square
Shape shape compares traditional circular flange, the characteristics of occupying little space, spiral shell is not only reduced compared with rod-pulling type hydraulic cylinder
Dimensional space needed for nail nut, makes its simple structure, small volume, lightweight, and it is old to also solve the end seal of cylinder bottom 1
Change, or the problem of the draining of cylinder bottom 1 that other reasons cause, the piston rod 7 is assemblied in cylinder body 6 with piston 5, and living
The one end of stopper rod 7 is inserted into piston 5, and the first O-ring 3 is provided between piston 5 and piston rod 7, and the first O-ring 3 is enclosed within piston rod 7
On, the first O-ring 3 increased the sealing between piston 5 and piston rod 7, and the energy band of piston rod 7 piston 5 is together in cylinder body 6
Activity, is provided with XY types sealing ring 2 and support ring 4 between piston 5 and cylinder body 6, XY types sealing ring 2 is two, respectively positioned at supporting
The both sides of ring 4, XY types sealing ring 2 is enclosed within piston 5 with support ring 4, and support ring 4 is primarily subjected to the weight of piston 5 and cylinder body 6
Amount, piston 5 is in cylinder body 6 during activity, it is ensured that piston 5 is not contacted with cylinder body 6, two XY types sealing rings 2 of setting, improves work
Sealing between plug 5 and cylinder body 6, and the sealing between piston 5 and cylinder body 6 also can be effectively kept in low pressure and pressurize
Property, fairlead 8 is additionally provided with the cylinder body 6, the port that fairlead 8 is located at cylinder body 6 goes out, and fairlead 8 uses high-strength cast iron, prolongs
The service life in the presence of a harsh environment of fairlead long 8, cylinder body 6 is externally provided with nut 12, and nut 12 is connected through a screw thread with cylinder body 6,
And nut 12 is directed to set 8 and is fixed in cylinder body 6, the compressing guide sleeve 8 of nut 12, due to often in operation of appearing, Exposure to Sunlight rain
Drench, therefore one layer of butter is applied at the screw thread of nut 12 and cylinder body 6, prevent screw-thread rust, convenient dismounting, piston during maintenance
Bar 7 is interspersed in fairlead 8 and nut 12 successively, and stepped sealing ring 9 and U-shaped sealing are provided between piston rod 7 and fairlead 8
Circle 11, stepped sealing ring 9 and U-shaped sealing ring 11 are sequentially sleeved on piston rod 7 from the inside to the outside, stepped sealing ring 9 and U-shaped close
Seal 11 can be provided with the second O-ring 10, the second O-ring effectively by oil seal in cylinder body 6 between fairlead 8 and cylinder body 6
10 are enclosed within fairlead 8, and the second O-ring 10 prevents hydraulic oil clearance leakage between fairlead 8 and cylinder body 6 from going out, piston rod 7
Dust ring 13 is provided between nut 12, dust ring 13 is enclosed within piston rod 7, dust ring 13 prevents introduced contaminants from passing through piston rod
Gap between 7 and nut 12 is entered in cylinder body 6.
Above-described specific embodiment, is entered to the purpose of this utility model, technical scheme and beneficial effect
One step is described in detail, be should be understood that and be the foregoing is only specific embodiment of the present utility model, is not used to limit
Fixed protection domain of the present utility model, all any modifications within spirit of the present utility model and principle, made, equally replaces
Change, improve, should be included within protection domain of the present utility model.
Claims (7)
1. inlet hydraulic cylinder, including cylinder body (6), piston (5), piston rod (7), cylinder bottom (1) are given, it is characterised in that：The piston rod
(7) it is assemblied in cylinder body (6), piston rod (7) one end is connected in piston (5), piston (5) is interior positioned at cylinder body (6), cylinder body (6)
With cylinder bottom (1) welding, fairlead (8) is provided with cylinder body (6), cylinder body (6) is externally provided with nut (12), nut (12) and cylinder body (6)
It is connected through a screw thread, and nut (12) is directed to set (8) and is fixed in cylinder body (6), and piston rod (7) is interspersed in fairlead successively
(8) and in nut (12), two XY types sealing ring (2) are provided between cylinder body (6) and piston (5), XY types sealing ring (2) are enclosed within work
On plug (5).
2. according to claim 1 to inlet hydraulic cylinder, it is characterised in that：It is additionally provided between the piston (5) and cylinder body (6)
Support ring (4), and support ring (4) is between two XY types sealing ring (2), is enclosed within piston (5).
3. according to claim 1 to inlet hydraulic cylinder, it is characterised in that：It is provided between the piston (5) and piston rod (7)
First O-ring (3), the first O-ring (3) is enclosed within piston rod (7).
4. according to claim 1 to inlet hydraulic cylinder, it is characterised in that：Set between the fairlead (8) and piston rod (7)
There are stepped sealing ring (9) and a U-shaped sealing ring (11), stepped sealing ring (9) and U-shaped sealing ring (11) are towards piston rod (7)
Stretch out outside direction and be sequentially sleeved on piston rod (7).
5. according to claim 1 to inlet hydraulic cylinder, it is characterised in that：It is provided between the fairlead (8) and cylinder body (6)
Second O-ring (10), the second O-ring (10) is enclosed within fairlead (8).
6. according to claim 1 to inlet hydraulic cylinder, it is characterised in that：Set between the nut (12) and piston rod (7)
There is dust ring (13), dust ring (13) is enclosed within piston rod (7).
7. according to claim 1 to inlet hydraulic cylinder, it is characterised in that：The fairlead (8) uses cast iron quality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621332128.9U CN206234197U (en) | 2016-12-06 | 2016-12-06 | To inlet hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621332128.9U CN206234197U (en) | 2016-12-06 | 2016-12-06 | To inlet hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206234197U true CN206234197U (en) | 2017-06-09 |
Family
ID=58979011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621332128.9U Active CN206234197U (en) | 2016-12-06 | 2016-12-06 | To inlet hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206234197U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593986A (en) * | 2016-12-06 | 2017-04-26 | 泸州长江液压密封件有限公司 | Feeding hydraulic cylinder suitable for harsh environment |
| CN108302087A (en) * | 2018-04-11 | 2018-07-20 | 江苏恒立液压股份有限公司 | Long stroke elevating ram |
-
2016
- 2016-12-06 CN CN201621332128.9U patent/CN206234197U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593986A (en) * | 2016-12-06 | 2017-04-26 | 泸州长江液压密封件有限公司 | Feeding hydraulic cylinder suitable for harsh environment |
| CN108302087A (en) * | 2018-04-11 | 2018-07-20 | 江苏恒立液压股份有限公司 | Long stroke elevating ram |
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