CN204900388U - Pneumatic cylinder cylinder end - Google Patents
Pneumatic cylinder cylinder end Download PDFInfo
- Publication number
- CN204900388U CN204900388U CN201520434173.4U CN201520434173U CN204900388U CN 204900388 U CN204900388 U CN 204900388U CN 201520434173 U CN201520434173 U CN 201520434173U CN 204900388 U CN204900388 U CN 204900388U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- cylinder head
- oil hydraulic
- external diameter
- piston
- 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 application discloses pneumatic cylinder cylinder end, the pneumatic cylinder includes cylinder body, piston, piston rod, cylinder end and cylinder bottom, the cylinder body has communicating cavity along the axial, the piston slide in in the cavity, the one end of piston rod with the piston is fixed, and the other end extends the outside of cavity, the cylinder bottom is sealed to be fixed in the one end of cylinder body, the cylinder end cover is located the outside of piston rod and with the other end of cylinder body is fixed, the cylinder end includes the second main part that has the first main part of first external diameter and have the second external diameter, first external diameter equals the internal diameter of cavity, first external diameter is greater than the second external diameter. The utility model discloses pneumatic cylinder simple to operate, cost of manufacture are hanged down, sealing performance is good.
Description
Technical field
The application relates to a kind of oil hydraulic cylinder, particularly relates to a kind of oil hydraulic cylinder cylinder head.
Background technique
Hydraulic energy is changed into mechanical energy, does the hydraulic actuator of straight reciprocating motion (or oscillating motion) by oil hydraulic cylinder.Its structure is simple, reliable operation.When realizing to-and-fro motion with it, can speed reducer be removed from, and there is no drive gap, stable movement, therefore be used widely in the hydraulic system of various machinery.The pressure reduction on oil hydraulic cylinder ouput force and piston effective area and both sides thereof is directly proportional; Oil hydraulic cylinder is made up of cylinder barrel and cylinder cap, piston and piston rod, seal arrangement, damping device and venting gas appliance substantially.
There is the technical problem that assembling is inconvenient, sealing is poor in traditional oil hydraulic cylinder.
Model utility content
The purpose of this utility model is to provide a kind of oil hydraulic cylinder cylinder head, to overcome deficiency of the prior art.
For achieving the above object, the utility model provides following technological scheme:
The embodiment of the present application discloses a kind of oil hydraulic cylinder cylinder head, described oil hydraulic cylinder comprises cylinder body, piston, piston rod, cylinder head and cylinder bottom, described cylinder body has the cavity communicated vertically, described piston slides in described cavity, one end and the described piston of described piston rod are fixed, the other end extends the outside of described cavity, described cylinder bottom is sealingly fastened in one end of described cylinder body, described cylinder head is sheathed on the outside of described piston rod and fixes with the other end of described cylinder body, described cylinder head comprises first main part with the first external diameter, and there is the second main part of the second external diameter, described first external diameter equals the internal diameter of described cavity, described first external diameter is greater than described second external diameter.
Preferably, in above-mentioned oil hydraulic cylinder cylinder head, by a guiding face transition between described first main part and the outer surface of the second main part.
Preferably, in above-mentioned oil hydraulic cylinder cylinder head, the surrounding of described first main part opening protrudes out the assembly department of annular, and described assembly department offers through hole, the corresponding described through hole in end of described cylinder body offers screw, is detachably fixed between described cylinder head and described cylinder body by bolt.
Preferably, in above-mentioned oil hydraulic cylinder cylinder head, be welded and fixed between described cylinder bottom and described cylinder body.
Preferably, in above-mentioned oil hydraulic cylinder cylinder head, between described piston rod and described piston, seal ring is provided with.
Preferably, in above-mentioned oil hydraulic cylinder cylinder head, between described cylinder head and piston rod, be provided with dust-proof seal ring, support ring, rod seal circle and shock resistance ring.
Preferably, in above-mentioned oil hydraulic cylinder cylinder head, between the inwall of described cylinder head and described cavity, be provided with O type circle.
Compared with prior art, the utility model has the advantage of: the utility model oil hydraulic cylinder is easy for installation, fabricating cost is low, good seal performance.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Figure 1 shows that the structural representation of oil hydraulic cylinder in the utility model specific embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be described in detail the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, belongs to the scope of the utility model protection.
Shown in ginseng Fig. 1, oil hydraulic cylinder comprises cylinder body 1, piston 2, piston rod 3, cylinder head 4 and cylinder bottom 5, and cylinder body 1 has the cavity communicated vertically, and piston 2 slides in described cavity, one end and the described piston 2 of described piston rod 3 are fixed, and the other end extends the outside of described cavity.Cylinder bottom 5 is sealingly fastened in one end of described cylinder body 1, and cylinder head 4 is sheathed on the outside of described piston rod 3 and fixes with the other end of described cylinder body 1.
Cylinder head 4 comprises first main part 41 with the first external diameter and second main part 42 with the second external diameter, and described first external diameter equals the internal diameter of described cavity, and described first external diameter is greater than described second external diameter.
Further, guiding face 43 transition is passed through between the first main part 41 and the outer surface of the second main part 42.
Further, the surrounding of the first main part 41 opening protrudes out the assembly department 411 of annular, and assembly department 411 offers through hole, and the corresponding described through hole in end of cylinder body 1 offers screw, is detachably fixed between cylinder head 4 and described cylinder body 1 by bolt.
Surround a seal groove between the outer side wall of described assembly department 411, cylinder head 4 and the edge of opening of cylinder body 1, sealing groove internal fixtion has seal ring 6.
Particularly, the inward flange of described cylinder body 1 opening is formed with chamfering, surrounds the seal groove that a cross section is triangular in shape between the outer side wall of this chamfering and described assembly department 411 and cylinder head 4.
Further, be welded and fixed between cylinder bottom 5 and described cylinder body 1.
Further, seal ring 7 is provided with between piston rod 3 and described piston 2.
Further, dust-proof seal ring 8, support ring 9, rod seal circle 10 and shock resistance ring 11 is provided with between described cylinder head 4 and piston rod 3.
Further, O type circle 12 is provided with between described cylinder head 4 and the inwall of described cavity.
It should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or control panel, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
The above is only the embodiment of the application; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the application's principle; can also make some improvements and modifications, these improvements and modifications also should be considered as the protection domain of the application.
Claims (7)
1. an oil hydraulic cylinder cylinder head, it is characterized in that, described oil hydraulic cylinder comprises cylinder body, piston, piston rod, cylinder head and cylinder bottom, described cylinder body has the cavity communicated vertically, described piston slides in described cavity, one end and the described piston of described piston rod are fixed, the other end extends the outside of described cavity, described cylinder bottom is sealingly fastened in one end of described cylinder body, described cylinder head is sheathed on the outside of described piston rod and fixes with the other end of described cylinder body, described cylinder head comprises first main part with the first external diameter, and there is the second main part of the second external diameter, described first external diameter equals the internal diameter of described cavity, described first external diameter is greater than described second external diameter.
2. oil hydraulic cylinder cylinder head according to claim 1, is characterized in that: by a guiding face transition between described first main part and the outer surface of the second main part.
3. oil hydraulic cylinder cylinder head according to claim 1, it is characterized in that: the surrounding of described first main part opening protrudes out the assembly department of annular, described assembly department offers through hole, the corresponding described through hole in end of described cylinder body offers screw, is detachably fixed between described cylinder head and described cylinder body by bolt.
4. oil hydraulic cylinder cylinder head according to claim 1, is characterized in that: be welded and fixed between described cylinder bottom and described cylinder body.
5. oil hydraulic cylinder cylinder head according to claim 1, is characterized in that: be provided with seal ring between described piston rod and described piston.
6. oil hydraulic cylinder cylinder head according to claim 1, is characterized in that: be provided with dust-proof seal ring, support ring, rod seal circle and shock resistance ring between described cylinder head and piston rod.
7. oil hydraulic cylinder cylinder head according to claim 1, is characterized in that: be provided with O type circle between the inwall of described cylinder head and described cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520434173.4U CN204900388U (en) | 2015-06-23 | 2015-06-23 | Pneumatic cylinder cylinder end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520434173.4U CN204900388U (en) | 2015-06-23 | 2015-06-23 | Pneumatic cylinder cylinder end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204900388U true CN204900388U (en) | 2015-12-23 |
Family
ID=54922569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520434173.4U Expired - Fee Related CN204900388U (en) | 2015-06-23 | 2015-06-23 | Pneumatic cylinder cylinder end |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204900388U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869371A (en) * | 2019-04-01 | 2019-06-11 | 安徽工程大学 | A kind of two-action single-rod hydraulic cylinder |
-
2015
- 2015-06-23 CN CN201520434173.4U patent/CN204900388U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869371A (en) * | 2019-04-01 | 2019-06-11 | 安徽工程大学 | A kind of two-action single-rod hydraulic cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20160623 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |