CN204900408U - Pneumatic cylinder cylinder body - Google Patents
Pneumatic cylinder cylinder body Download PDFInfo
- Publication number
- CN204900408U CN204900408U CN201520434676.1U CN201520434676U CN204900408U CN 204900408 U CN204900408 U CN 204900408U CN 201520434676 U CN201520434676 U CN 201520434676U CN 204900408 U CN204900408 U CN 204900408U
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- CN
- China
- Prior art keywords
- cylinder body
- wall thickness
- seal ring
- hydraulic cylinder
- fixed
- Prior art date
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- Expired - Fee Related
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Abstract
The application discloses pneumatic cylinder cylinder body, the cylinder body has communicating cavity along the axial, the cylinder body have first wall thickness first cylinder body, have the second cylinder body of second wall thickness and have the third cylinder body of third wall thickness, second cylinder body and third cylinder body are located respectively the both sides of first cylinder body, first wall thickness is lighter than second wall thickness and third wall thickness. The utility model provides a wall thickness of pneumatic cylinder cylinder body through increasing both ends, with low costs on the one hand, on the other hand can form the seal groove on the thickness space at both ends.
Description
Technical field
The application relates to a kind of oil hydraulic cylinder, particularly relates to a kind of hydraulic cylinder body.
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 hydraulic cylinder body, 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 hydraulic cylinder body, described cylinder body has the cavity communicated vertically, described cylinder body have the first wall thickness the first cylinder body, there is the second cylinder body of the second wall thickness and there is the 3rd cylinder body of the 3rd wall thickness, described second cylinder body and the 3rd cylinder body lay respectively at the both sides of described first cylinder body, and described first wall thickness is less than described second wall thickness and the 3rd wall thickness.
Preferably, in above-mentioned hydraulic cylinder body, described second wall thickness equals the 3rd wall thickness.
Preferably, in above-mentioned hydraulic cylinder body, the outside of described second cylinder body and the 3rd cylinder body is fixed with the first fixed cover and the second fixed cover respectively, and described first fixed cover and the second fixed cover are respectively equipped with screw vertically.
Preferably, in above-mentioned hydraulic cylinder body, between described first fixed cover and described second cylinder body, be provided with seal ring.
Preferably, in above-mentioned hydraulic cylinder body, the surface of described second cylinder body is recessed is formed with seal ring mounting groove, and described seal ring is fixed in described seal ring mounting groove.
Preferably, in above-mentioned hydraulic cylinder body, between described second fixed cover and described 3rd cylinder body, be provided with seal ring.
Preferably, in above-mentioned hydraulic cylinder body, the surface of described 3rd cylinder body is recessed is formed with seal ring mounting groove, and described seal ring is fixed in described seal ring mounting groove.
Compared with prior art, the utility model has the advantage of: the hydraulic cylinder body in the utility model is by increasing the wall thickness at two ends, and cost is low on the one hand, can form seal groove on the other hand in the thickness space at two ends.
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, front end housing 4 and back cylinder cover 5, and cylinder body 1 has the cavity communicated vertically, and piston 2 slides in described cavity, one end and the piston 2 of described piston rod 3 are fixed, and the other end extends described containment portion.Described back cylinder cover 5 is sealingly fastened in one end of described cylinder body 1, and described front cover 4 is sheathed on the outside of described piston rod 3 and is fixed on the other end of described cylinder body 1.
Cylinder body 1 have the first wall thickness the first cylinder body 101, there is the second cylinder body 102 of the second wall thickness and there is the 3rd cylinder body 103 of the 3rd wall thickness, described second cylinder body 102 and the 3rd cylinder body 103 lay respectively at the both sides of described first cylinder body 101, and described first wall thickness is less than described second wall thickness and the 3rd wall thickness.
Further, the second wall thickness equals the 3rd wall thickness.
The outside of the second cylinder body 102 is fixed with the first fixed cover 6.
Further, seal ring 7 is provided with between the first fixed cover 6 and described second cylinder body 102.
Further, the surface of described second cylinder body is recessed is formed with seal ring mounting groove, and described seal ring 7 is fixed in described seal ring mounting groove.
Front end housing 4 protrudes out towards the side of described cylinder body 1 outside that the first annular cylinder body cover 41, first cylinder body cover 41 is sheathed on described second cylinder body 102.
Further, detachably fixed by bolt 8 between the first cylinder body cover 41 and described first fixed cover 6.
Further, seal ring 9 is provided with between described first cylinder body cover 41 and the outer side wall of described second cylinder body 102.
Further, the surface of the second cylinder body 102 is recessed is formed with seal ring mounting groove, and described seal ring 9 is fixed in described seal ring mounting groove.
One end that front end housing 4 deviates from described cylinder body 1 is provided with dustproof gland 13 and hydraulic cylinder end cover 14, hydraulic pressure end cap 14 is between described dustproof gland 13 and front end housing 4, described dustproof gland 13 and hydraulic cylinder end cover 14 are sheathed on the outside of described piston rod, the edge of opening of described hydraulic cylinder end cover 14 is formed with stepped part, described dustproof gland 13 cooperation is provided with the convex extension part protruding into described stepped part, described convex extension part, surround a seal groove between stepped part and described piston rod, sealing groove internal fixtion has seal ring 15.
Further, seal ring 16 is also provided with between described dustproof gland 13 and described piston rod.
The outside of the 3rd cylinder body 103 is fixed with the second fixed cover 17.
Further, seal ring 18 is provided with between the second fixed cover 17 and described 3rd cylinder body 103.
Further, the surface of described 3rd cylinder body 103 is recessed is formed with seal ring mounting groove, and described seal ring 18 is fixed in described seal ring mounting groove.
Back cylinder cover 5 protrudes out towards the side of described cylinder body 1 outside that the second annular cylinder body cover 51, second cylinder body cover 51 is sheathed on described 3rd cylinder body 103.
Further, detachably fixed by bolt 19 between the second cylinder body cover 51 and described second fixed cover 17.
Further, seal ring 20 is provided with between described second cylinder body cover 51 and the outer side wall of described 3rd cylinder body 103.
Further, the surface of the 3rd cylinder body 103 is recessed is formed with seal ring mounting groove, and described seal ring 20 is fixed in described seal ring mounting groove.
Front end housing 4 and back cylinder cover 5 offer the first oilhole 42 respectively and be communicated with oil pipe 21 between the second oilhole 52, first oilhole 42 and the second oilhole 52.
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. a hydraulic cylinder body, it is characterized in that, described cylinder body has the cavity communicated vertically, described cylinder body have the first wall thickness the first cylinder body, there is the second cylinder body of the second wall thickness and there is the 3rd cylinder body of the 3rd wall thickness, described second cylinder body and the 3rd cylinder body lay respectively at the both sides of described first cylinder body, and described first wall thickness is less than described second wall thickness and the 3rd wall thickness.
2. hydraulic cylinder body according to claim 1, is characterized in that: described second wall thickness equals the 3rd wall thickness.
3. hydraulic cylinder body according to claim 1, is characterized in that: the outside of described second cylinder body and the 3rd cylinder body is fixed with the first fixed cover and the second fixed cover respectively, and described first fixed cover and the second fixed cover are respectively equipped with screw vertically.
4. hydraulic cylinder body according to claim 3, is characterized in that: be provided with seal ring between described first fixed cover and described second cylinder body.
5. hydraulic cylinder body according to claim 4, is characterized in that: the surface of described second cylinder body is recessed is formed with seal ring mounting groove, and described seal ring is fixed in described seal ring mounting groove.
6. hydraulic cylinder body according to claim 3, is characterized in that: be provided with seal ring between described second fixed cover and described 3rd cylinder body.
7. hydraulic cylinder body according to claim 6, is characterized in that: the surface of described 3rd cylinder body is recessed is formed with seal ring mounting groove, and described seal ring is fixed in described seal ring mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520434676.1U CN204900408U (en) | 2015-06-23 | 2015-06-23 | Pneumatic cylinder cylinder body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520434676.1U CN204900408U (en) | 2015-06-23 | 2015-06-23 | Pneumatic cylinder cylinder body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204900408U true CN204900408U (en) | 2015-12-23 |
Family
ID=54922589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520434676.1U Expired - Fee Related CN204900408U (en) | 2015-06-23 | 2015-06-23 | Pneumatic cylinder cylinder body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204900408U (en) |
-
2015
- 2015-06-23 CN CN201520434676.1U patent/CN204900408U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20160623 |