CN204312450U - A kind of agricultural vehicle oil cylinder - Google Patents
A kind of agricultural vehicle oil cylinder Download PDFInfo
- Publication number
- CN204312450U CN204312450U CN201420626775.5U CN201420626775U CN204312450U CN 204312450 U CN204312450 U CN 204312450U CN 201420626775 U CN201420626775 U CN 201420626775U CN 204312450 U CN204312450 U CN 204312450U
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- China
- Prior art keywords
- cylinder body
- outer cylinder
- central shaft
- cylinder head
- head
- 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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- 238000003780 insertion Methods 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 239000003638 reducing agent Substances 0.000 description 1
Abstract
The utility model discloses a kind of agricultural vehicle oil cylinder, comprise: outer cylinder body, cylinder head, central shaft, described outer cylinder body one end is mounted with bottom, the other end is provided with cylinder head, bottom fixed base is provided with outside bottom, be welded and fixed between outer cylinder body and bottom, oilhole is provided with on the upside of described outer cylinder body, oilhole is communicated with the cavity of outer cylinder body inside, described cylinder head is inserted into outer cylinder body inside, described outer cylinder body, cylinder head inside is provided with middle cylinder body, central shaft is inserted with in middle cylinder body, in the insertion of central shaft one end in cylinder body, the other end is provided with central shaft fixed hole, one end in central shaft inserts in cylinder body is provided with piston, back-up ring is provided with between piston and middle cylinder body.Be provided with y-type seal ring, 0 RunddichtringO, dust-proof cushion in the draw-in groove of the utility model between middle cylinder body and central shaft, between cylinder head and outer cylinder body, add effective work area, improve ouput force, so it is little to have volume, be convenient to the advantage of manufacturing.
Description
Technical field
The utility model relates to oil cylinder field, is specially a kind of agricultural vehicle oil cylinder.
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.Damping device and venting gas appliance are depending on embody rule occasion, and other devices are then essential.
Chinese patent discloses a kind of oil cylinder (August 19 2009 day for announcing, notification number CN 201293002Y), it comprises outer cylinder body, piston rod, piston, flange, inner cylinder body, guide sleeve, nut and seal ring, it is characterized in that being provided with inner casing in outer cylinder body, inner casing is made up of inner cylinder body, piston rod and piston, outer cylinder body is connected by guide sleeve with inner casing, be provided with the oil circuit be connected with inner cylinder body for outer cylinder body on the piston rod, but its stock utilization is low, manufacturing difficulty is large, manufacture cost is high, and Energy transmission ratio is little.
Model utility content
The technical problem that the utility model solves is to provide a kind of agricultural vehicle oil cylinder, to solve the problem proposed in above-mentioned background technology.
The technical problem that the utility model solves realizes by the following technical solutions: a kind of agricultural vehicle oil cylinder, comprise: outer cylinder body, cylinder head, central shaft, described outer cylinder body one end is mounted with bottom, the other end is provided with cylinder head, bottom fixed base is provided with outside bottom, be welded and fixed between outer cylinder body and bottom, oilhole is provided with on the upside of described outer cylinder body, oilhole is communicated with the cavity of outer cylinder body inside, described cylinder head is inserted into outer cylinder body inside, draw-in groove is provided with inside cylinder head, y-type seal ring is provided with in draw-in groove between cylinder head and outer cylinder body, 0 RunddichtringO, dust-proof cushion, described outer cylinder body, cylinder head inside is provided with middle cylinder body, central shaft is inserted with in middle cylinder body, in the insertion of central shaft one end in cylinder body, the other end is provided with central shaft fixed hole, one end in central shaft inserts in cylinder body is provided with piston, back-up ring is provided with between piston and middle cylinder body.
Be provided with draw-in groove inside described middle cylinder body, in the draw-in groove between middle cylinder body and central shaft, be provided with y-type seal ring, 0 RunddichtringO, dust-proof cushion.
Described outer cylinder body and cylinder head joint are provided with sealing gasket.
Described bottom fixed base is provided with fixed hole, and fixed hole is circular pin hole.
Compared with prior art, the beneficial effects of the utility model are: be provided with y-type seal ring, 0 RunddichtringO, dust-proof cushion in the draw-in groove of the utility model between middle cylinder body and central shaft, between cylinder head and outer cylinder body, add effective work area, improve ouput force, so it is little to have volume, be convenient to the advantage of manufacturing.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is cylinder head structure schematic diagram of the present utility model.
Fig. 3 is middle housing structure schematic diagram of the present utility model.
In figure: 1, bottom fixed base; 2, bottom; 3, outer cylinder body; 4, oilhole; 5, middle cylinder body; 6, cylinder head; 7, y-type seal ring; 8,0 RunddichtringO; 9, dust-proof cushion; 10, central shaft; 11, central shaft fixed hole; 12, piston; 13, back-up ring; 14, sealing gasket.
Embodiment
In order to make actualizing technology means of the present utility model, creation characteristic, reach object and effect is easy to understand, below in conjunction with concrete diagram, set forth the utility model further.
As shown in Figures 1 to 3, a kind of agricultural vehicle oil cylinder, comprise: outer cylinder body 3, cylinder head 6, central shaft 10, described outer cylinder body 3 one end is mounted with bottom 2, the other end is provided with cylinder head 6, bottom fixed base 1 is provided with outside bottom 2, be welded and fixed between outer cylinder body 3 and bottom 2, oilhole 4 is provided with on the upside of described outer cylinder body 3, oilhole 4 is communicated with the cavity of outer cylinder body 3 inside, it is inner that described cylinder head 6 is inserted into outer cylinder body 3, draw-in groove is provided with inside cylinder head 6, y-type seal ring 7 is provided with in draw-in groove between cylinder head 6 and outer cylinder body 3, 0 RunddichtringO 8, dust-proof cushion 9, described outer cylinder body 3, cylinder head 6 inside is provided with middle cylinder body 5, central shaft 11 is inserted with in middle cylinder body 5, in the insertion of central shaft 11 one end in cylinder body 5, the other end is provided with central shaft fixed hole 11, one end in central shaft 11 inserts in cylinder body 5 is provided with piston 12, back-up ring 13 is provided with between piston 12 and middle cylinder body 5.
Be provided with draw-in groove inside described middle cylinder body 5, in the draw-in groove between middle cylinder body 5 and central shaft 11, be provided with y-type seal ring 7,0 RunddichtringO 8, dust-proof cushion 9.
Described outer cylinder body 3 is provided with sealing gasket 14 with cylinder head 6 joint.
Described bottom fixed base 1 is provided with fixed hole, and fixed hole is circular pin hole.
Y-type seal ring 7,0 RunddichtringO 8, dust-proof cushion 9 is provided with in the draw-in groove of the utility model between middle cylinder body 5 and central shaft 11, y-type seal ring 7,0 RunddichtringO 8, dust-proof cushion 9 is provided with in draw-in groove simultaneously between cylinder head 6 and outer cylinder body 3, substantially increase the working efficiency of oil cylinder, improve the working life of oil cylinder simultaneously, and outer cylinder body 3, cylinder head 6 inside are provided with middle cylinder body 5, the working life of oil cylinder effectively can be improved.
More than show and describe basic principle of the present utility model and major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.Claimed scope of the present utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. an agricultural vehicle oil cylinder, comprise: outer cylinder body, cylinder head, central shaft, it is characterized in that: described outer cylinder body one end is mounted with bottom, the other end is provided with cylinder head, bottom fixed base is provided with outside bottom, be welded and fixed between outer cylinder body and bottom, oilhole is provided with on the upside of described outer cylinder body, oilhole is communicated with the cavity of outer cylinder body inside, described cylinder head is inserted into outer cylinder body inside, draw-in groove is provided with inside cylinder head, y-type seal ring is provided with in draw-in groove between cylinder head and outer cylinder body, 0 RunddichtringO, dust-proof cushion, described outer cylinder body, cylinder head inside is provided with middle cylinder body, central shaft is inserted with in middle cylinder body, in the insertion of central shaft one end in cylinder body, the other end is provided with central shaft fixed hole, one end in central shaft inserts in cylinder body is provided with piston, back-up ring is provided with between piston and middle cylinder body.
2. a kind of agricultural vehicle oil cylinder according to claim 1, is characterized in that: be provided with draw-in groove inside described middle cylinder body, is provided with y-type seal ring, 0 RunddichtringO, dust-proof cushion in the draw-in groove between middle cylinder body and central shaft.
3. a kind of agricultural vehicle oil cylinder according to claim 1, is characterized in that: described outer cylinder body and cylinder head joint are provided with sealing gasket.
4. a kind of agricultural vehicle oil cylinder according to claim 1, it is characterized in that: described bottom fixed base is provided with fixed hole, fixed hole is circular pin hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420626775.5U CN204312450U (en) | 2014-10-28 | 2014-10-28 | A kind of agricultural vehicle oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420626775.5U CN204312450U (en) | 2014-10-28 | 2014-10-28 | A kind of agricultural vehicle oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204312450U true CN204312450U (en) | 2015-05-06 |
Family
ID=53134768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420626775.5U Expired - Fee Related CN204312450U (en) | 2014-10-28 | 2014-10-28 | A kind of agricultural vehicle oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204312450U (en) |
-
2014
- 2014-10-28 CN CN201420626775.5U patent/CN204312450U/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 |
Granted publication date: 20150506 Termination date: 20151028 |
|
| EXPY | Termination of patent right or utility model |