CN207921016U - Middle mouldboard kicker plate hydraulic cylinder - Google Patents
Middle mouldboard kicker plate hydraulic cylinder Download PDFInfo
- Publication number
- CN207921016U CN207921016U CN201820237517.6U CN201820237517U CN207921016U CN 207921016 U CN207921016 U CN 207921016U CN 201820237517 U CN201820237517 U CN 201820237517U CN 207921016 U CN207921016 U CN 207921016U
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- CN
- China
- Prior art keywords
- cylinder
- cylinder barrel
- piston
- piston rod
- guide sleeve
- 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
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Abstract
The utility model discloses a kind of middle mouldboard kicker plate hydraulic cylinder,Including cylinder barrel,First hydraulic fluid port and the second hydraulic fluid port,The both ends of the cylinder barrel are respectively equipped with cylinder bottom and cylinder head,Piston and piston rod are equipped in the cylinder barrel,One end of the piston rod is fixedly connected with the piston,The other end of piston rod stretches out cylinder head,Cylinder barrel is divided into rod chamber and rodless cavity by the piston,First hydraulic fluid port is connected to rod chamber,Second hydraulic fluid port is connected to rodless cavity,The cylinder head includes guide sleeve and gland,The guide sleeve is sheathed between cylinder barrel and piston rod,The gland is sheathed on outside cylinder barrel,The front end face of the gland is concordant with the front end face of guide sleeve,The first sealing ring is equipped between the guide sleeve and cylinder barrel,The second sealing ring is equipped between the guide sleeve and piston rod,Third sealing ring is equipped between the piston and cylinder barrel,The 4th sealing ring is equipped between the cylinder bottom and cylinder barrel.The utility model can enhance the leakproofness of hydraulic cylinder, reduce oil waste, reduce and push cost.
Description
Technical field
The utility model is related to hydraulic cylinder technical field, more particularly to a kind of middle mouldboard kicker plate hydraulic cylinder.
Background technology
Hydraulic cylinder is the hydraulic actuator that hydraulic energy is changed into mechanical energy (straight reciprocating motion or pendulum motion),
It has the advantages that simple in structure, reliable operation, at low cost, thus is used widely in the hydraulic system of various machineries.
Hydraulic cylinder includes mainly that parts, the wherein pistons such as cylinder barrel, piston and piston rod are slidably mounted in cylinder barrel
In inner cavity, piston rod one end is connect with piston, and the other end is stretched out from one end of cylinder barrel.The cylinder cover structure of hydraulic cylinder is commonly referred to as
Cylinder barrel is pierced by the closed structure of one end for piston rod, the work for playing the rod chamber of sealing cylinder barrel and being oriented to piston rod
With.
Traditional hydraulic cylinder is not provided with sealing ring in the junction of cylinder bottom and cylinder barrel, and oil in rodless cavity is made to be easy certainly in this way
The junction of cylinder bottom and cylinder barrel is oozed out, and the leakproofness of such hydraulic cylinder is low, this means that needing to push work using more oil
It fills in and is walked toward cylinder head, and oily waste can be caused, increase and push cost.
Invention content
The technical problems to be solved in the utility model is, for the above-mentioned prior art in deficiency, a kind of middle mouldboard kicker is provided
Plate hydraulic cylinder can enhance the leakproofness of hydraulic cylinder, reduce oil exudation, reduce oil waste, reduce and push cost.
In order to solve the above technical problems, the technical solution of the utility model is：
A kind of middle mouldboard kicker plate hydraulic cylinder, including cylinder barrel, the first hydraulic fluid port and the second hydraulic fluid port, the both ends of the cylinder barrel are respectively equipped with
Cylinder bottom and cylinder head, the cylinder barrel is interior to be equipped with piston and piston rod, and one end of the piston rod is fixedly connected with the piston, piston rod
The other end stretches out cylinder head, and cylinder barrel is divided into rod chamber and rodless cavity by the piston, and first hydraulic fluid port is connected to rod chamber, described
Second hydraulic fluid port is connected to rodless cavity, and the cylinder head includes guide sleeve and gland, the guide sleeve be sheathed on cylinder barrel and piston rod it
Between, the gland is sheathed on outside cylinder barrel, and the front end face of the gland is concordant with the front end face of guide sleeve, the guide sleeve and cylinder barrel
Between be equipped with the first sealing ring, between the guide sleeve and piston rod be equipped with the second sealing ring, set between the piston and cylinder barrel
There is third sealing ring, the 4th sealing ring is equipped between the cylinder bottom and cylinder barrel.
As a preferred embodiment, the 5th sealing ring is equipped between the piston and piston rod.
As a preferred embodiment, the guide sleeve includes main part and the positioning that main body side extends outward to form
Portion, the main part are sheathed between cylinder barrel and piston rod, and the positioning region is located at the outside of cylinder barrel.
As a preferred embodiment, the gland includes sleeve part and the end cap from the outside downward bending formation of sleeve part
Portion, the sleeve part are sheathed on outside cylinder barrel, and the rear end faces of the end cap portions is butted on the front end face of positioning region, and the end cap portions
Front end face is concordant with the front end face of main part.
As a preferred embodiment, it is formed with gap between the gland, cylinder barrel and positioning region.
As a preferred embodiment, a diameter of 90mm of the cylinder barrel, a diameter of 50mm of the piston rod, the piston
Range be 310mm.
As a preferred embodiment, the cylinder bottom and piston rod are fixedly connected with the connection ring that can install bearing.
As a preferred embodiment, the connection ring is equipped with for facilitating user to add the third hydraulic fluid port of lubricating oil.
The utility model has the beneficial effects that：The 4th sealing ring is equipped between the cylinder bottom and cylinder barrel, the 4th sealing ring
Being arranged makes oil in rodless cavity be not easy to ooze out from the junction of cylinder bottom and cylinder barrel, enhances the leakproofness of hydraulic cylinder, can be with less oil
It pushes piston to be walked toward cylinder head, while can also reduce oily waste, reduce and push cost.The is equipped between the piston and piston rod
The setting of five sealing rings, the 5th sealing ring makes oil in rodless cavity not flow to rod chamber, further enhances the leakproofness of hydraulic cylinder,
So piston can be pushed to walk up and down with less oil, improve working efficiency.The guide sleeve includes main part and main body
The setting of the positioning region that side extends outward to form, positioning region enables guide sleeve and gland to be quickly assembled on cylinder barrel, improves dress
With efficiency；Gap is formed between the gland, cylinder barrel and positioning region, the presence in gap allows piston rod according to operating condition
Automatic floating is finely tuned, can relieving hydraulic cylinder unbalance loading situation to a certain extent, improve hydraulic cylinder steering capability and operating condition, and
The service life of hydraulic cylinder can be extended.
Description of the drawings
Fig. 1 is the assembling assumption diagram of the embodiment of the utility model；
Fig. 2 is the enlarged drawing at A in Fig. 1.
In figure：1- cylinder barrels, the first hydraulic fluid ports of 2-, the second hydraulic fluid ports of 3-, 4- cylinder bottoms, 5- pistons, 6- piston rods, 7- guide sleeves, 71-
Main part, the positioning regions 72-, 8- glands, 81- sleeve parts, 82- end cap portions, the gaps 9-, the first sealing rings of 10-, 11- second are sealed
Circle, 12- third sealing rings, the 4th sealing rings of 13-, the 5th sealing rings of 14-, 15- connection rings, 16- third hydraulic fluid ports.
Specific implementation mode
The structural principle of the utility model and operation principle are described in further detail below in conjunction with the accompanying drawings.
As shown in Fig. 1~Fig. 2, a kind of middle mouldboard kicker plate hydraulic cylinder, including cylinder barrel 1, the first hydraulic fluid port 2 and the second hydraulic fluid port 3, it is described
The both ends of cylinder barrel 1 are respectively equipped with cylinder bottom 4 and cylinder head, are equipped with piston 5 and piston rod 6 in the cylinder barrel 1, and the one of the piston rod 6
End is fixedly connected with piston 5, the other end of piston rod 6 stretching cylinder head, and the piston 5 divides cylinder barrel 1 for rod chamber and rodless cavity,
First hydraulic fluid port 2 is connected to rod chamber, and second hydraulic fluid port 3 is connected to rodless cavity, and the cylinder head includes guide sleeve 7 and gland
8, the guide sleeve 7 includes main part 71 and the positioning region 72 that 71 side of main body extends outward to form, the main part 71
It is sheathed between cylinder barrel 1 and piston rod 6, the positioning region 72 is located at the outside of cylinder barrel 1.The gland 8 includes 81 He of sleeve part
The end cap portions 82 formed from 81 outside downward bending of sleeve part, the sleeve part 81 are sheathed on outside cylinder barrel 1, the end cap portions 82
Rear end face is butted on the front end face of positioning region 72, and the front end face of the end cap portions 82 is concordant with the front end face of main part 71, positioning
The setting in portion 72 enables guide sleeve 7 and gland 8 to be quickly assembled on cylinder barrel 1, improves efficiency of assembling；The gland 8,1 and of cylinder barrel
It is formed with gap 9 between positioning region 72, the presence in gap 9 allows piston rod 6 to be finely tuned according to operating condition automatic floating, can be with
Relieving hydraulic cylinder unbalance loading situation to a certain extent improves hydraulic cylinder steering capability and operating condition, and can extend hydraulic cylinder
Service life.It is equipped with the first sealing ring 10 between the guide sleeve 7 and cylinder barrel 1, is equipped between the guide sleeve 7 and piston rod 6
Second sealing ring 11 is equipped with third sealing ring 12 between the piston 5 and cylinder barrel 1, the is equipped between the cylinder bottom 4 and cylinder barrel 1
Four sealing rings 13.The 5th sealing ring 14 is equipped between the piston 5 and piston rod 6, the setting of the 5th sealing ring 14 makes rodless cavity
Interior oil will not flow to rod chamber, further enhance the leakproofness of hydraulic cylinder, so can push piston 5 back and forth with less oil
It walks, improves working efficiency.The cylinder bottom 4 and piston rod 6 are fixedly connected with the connection ring 15 that can install bearing.The connection ring
15 are equipped with for facilitating user to add the third hydraulic fluid port 16 of lubricating oil, user-friendly.A diameter of 90mm of the cylinder barrel 1, institute
A diameter of 50mm of piston rod 6 is stated, the range of the piston 5 is 310mm.
When oil enters rod chamber from the first hydraulic fluid port 2, push piston 5 and piston rod 6 toward 4 direction of cylinder bottom under oil pressure effect
It is mobile, while the oil in rodless cavity is flowed out from the second hydraulic fluid port 3；When oil enters rodless cavity from the second hydraulic fluid port 3, under oil pressure effect
Piston 5 and piston rod 6 is pushed to be moved toward cylinder head direction, while the oil in rod chamber is flowed out from the first hydraulic fluid port 2, is and so on transported
It is dynamic.
The utility model has the beneficial effects that：The 4th sealing ring 13, the 4th sealing are equipped between the cylinder bottom 4 and cylinder barrel 1
The setting of circle 13 makes in rodless cavity oil be not easy, from the exudation of the junction of cylinder bottom 4 and cylinder barrel 1, to enhance the leakproofness of hydraulic cylinder, can be with
Less oil pushes piston 5 to be walked toward cylinder head, while can also reduce oily waste, reduces and pushes cost.The piston 5 and piston rod
The 5th sealing ring 14 is equipped between 6, the setting of the 5th sealing ring 14 makes oil in rodless cavity not flow to rod chamber, further enhances
The leakproofness of hydraulic cylinder so can push the piston 5 to walk up and down, improve working efficiency with less oil.The guide sleeve 7 includes
The positioning region 72 that main part 71 and 71 side of main body extend outward to form, the setting of positioning region 72 make guide sleeve 7 and gland 8
It can quickly be assembled on cylinder barrel 1, improve efficiency of assembling；It is formed with gap 9 between the gland 8, cylinder barrel 1 and positioning region 72,
The presence of gap 9 allows piston rod 6 to be finely tuned according to operating condition automatic floating, can relieving hydraulic cylinder unbalance loading feelings to a certain extent
Condition improves hydraulic cylinder steering capability and operating condition, and can extend the service life of hydraulic cylinder.
Above descriptions are merely preferred embodiments of the utility model, it is every according to the technical solution of the utility model to
On embodiment made by any subtle modifications, equivalent variations and modifications, belong to the range of technical solutions of the utility model
It is interior.
Claims (8)
1. a kind of middle mouldboard kicker plate hydraulic cylinder, it is characterised in that：Including cylinder barrel, the first hydraulic fluid port and the second hydraulic fluid port, the two of the cylinder barrel
End is respectively equipped with cylinder bottom and cylinder head, and piston and piston rod are equipped in the cylinder barrel, and one end of the piston rod is fixed with piston to be connected
It connects, the other end of piston rod stretches out cylinder head, and cylinder barrel is divided into rod chamber and rodless cavity by the piston, first hydraulic fluid port and has bar
Chamber is connected to, and second hydraulic fluid port is connected to rodless cavity, and the cylinder head includes guide sleeve and gland, and the guide sleeve is sheathed on cylinder barrel
Between piston rod, the gland is sheathed on outside cylinder barrel, and the front end face of the gland is concordant with the front end face of guide sleeve, described to lead
To between set and cylinder barrel be equipped with the first sealing ring, between the guide sleeve and piston rod be equipped with the second sealing ring, the piston with
It is equipped with third sealing ring between cylinder barrel, the 4th sealing ring is equipped between the cylinder bottom and cylinder barrel.
2. middle mouldboard kicker plate hydraulic cylinder according to claim 1, it is characterised in that：The is equipped between the piston and piston rod
Five sealing rings.
3. middle mouldboard kicker plate hydraulic cylinder according to claim 1, it is characterised in that：The guide sleeve includes main part and autonomous
The positioning region that body portion side extends outward to form, the main part are sheathed between cylinder barrel and piston rod, and the positioning region is located at
The outside of cylinder barrel.
4. middle mouldboard kicker plate hydraulic cylinder according to claim 3, it is characterised in that：The gland includes sleeve part and from sleeve
The end cap portions that the outside downward bending in portion is formed, the sleeve part are sheathed on outside cylinder barrel, and the rear end face of the end cap portions is butted on positioning
The front end face in portion, and the front end face of the end cap portions is concordant with the front end face of main part.
5. middle mouldboard kicker plate hydraulic cylinder according to claim 4, it is characterised in that：Between the gland, cylinder barrel and positioning region
It is formed with gap.
6. middle mouldboard kicker plate hydraulic cylinder according to claim 1, it is characterised in that：A diameter of 90mm of the cylinder barrel, it is described
The range of a diameter of 50mm of piston rod, the piston are 310mm.
7. middle mouldboard kicker plate hydraulic cylinder according to claim 1, it is characterised in that：The cylinder bottom and piston rod are fixedly connected with
The connection ring of bearing can be installed by having.
8. middle mouldboard kicker plate hydraulic cylinder according to claim 7, it is characterised in that：The connection ring is equipped with for facilitating user
Add the third hydraulic fluid port of lubricating oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820237517.6U CN207921016U (en) | 2018-02-10 | 2018-02-10 | Middle mouldboard kicker plate hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820237517.6U CN207921016U (en) | 2018-02-10 | 2018-02-10 | Middle mouldboard kicker plate hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207921016U true CN207921016U (en) | 2018-09-28 |
Family
ID=63600206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820237517.6U Expired - Fee Related CN207921016U (en) | 2018-02-10 | 2018-02-10 | Middle mouldboard kicker plate hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207921016U (en) |
-
2018
- 2018-02-10 CN CN201820237517.6U patent/CN207921016U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180928 Termination date: 20220210 |