CN204961456U - Bucket cylinder device - Google Patents
Bucket cylinder device Download PDFInfo
- Publication number
- CN204961456U CN204961456U CN201520783384.9U CN201520783384U CN204961456U CN 204961456 U CN204961456 U CN 204961456U CN 201520783384 U CN201520783384 U CN 201520783384U CN 204961456 U CN204961456 U CN 204961456U
- Authority
- CN
- China
- Prior art keywords
- pipe
- piston
- piston rod
- sleeve pipe
- circumferential surface
- 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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- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model discloses a bucket cylinder device, include: a cylinder member and a movably piston member of being connected with the piston rod, the cylinder member comprises the closing member branch of a pipe and the every end of cylinder member, divides at the closing member of one end to have a sleeve pipe, and it is equipped with and is used for passing the through -hole of piston rod and being sealed by the tip of pipe, the tip radially incurves and in the top of the first periphery of sheathed tube towards the piston rod, and the sleeve pipe is equipped with a flange, and it has circumference and axial extension that the second periphery sealed the piston rod and has surpassed and incurve the part. The pipe incurve partial the termination in the circumferential edge reason of closing on the positive turning of sheathed tube, positive turning forms between first periphery and second periphery. The utility model discloses the problem and the beneficial effect that solve are: change structural design, improve resistant corrosion protection, prolong bucket cylinder device's life, reduce cost, reinforcing benefit.
Description
Technical field
The utility model relates to piston-cylinder devices.
Background technique
Usual piston-cylinder devices is operated in outdoor environment, therefore can be exposed in different temperature, humidity of the air, such environment create produce corrosive attack grow environment.Piston-cylinder devices has an enclosure portion, be made up of the sleeve pipe of an end-enclosed of the pipe of piston-cylinder devices, end curves inwardly towards piston rod, extended by sleeve pipe, end at the directed cylinder barrel surrounding edge perpendicular to pipe longitudinal direction, pipe normally carbon steel is made, need to do corrosion resistant coating surface treatment, because its surrounding edge only receives a thinner coating, As time goes on cause being corroded attack, limit the working life of cylinder unit.And some cylinder units add extra protection assembly, but be the increase in the cost of piston-cylinder devices.
Summary of the invention
The technical problems to be solved in the utility model is change structure design, improves corrosion-resistant protection, extends the working life of piston-cylinder devices, reduces costs, and strengthens benefit.
In order to solve the problems of the technologies described above, the utility model employing technological scheme is: piston-cylinder devices.
Piston-cylinder devices, comprise: a cylinder component and the piston component be connected with piston rod movably, the enclosure portion that cylinder component is often held by a pipe and cylinder component forms, enclosure portion at one end has a sleeve pipe, its be provided with for through piston rod through hole and by the end-enclosed of pipe, described end is radially-inwardly bending and above the first circumferential surface of sleeve pipe towards piston rod, sleeve pipe is provided with a flange, and it has the circumference of the second circumferential surface closed piston bar and axially extend beyond the part that curves inwardly.The part that curves inwardly of pipe ends at the circumferential edges at the positive turning closing on sleeve pipe, and positive turning is formed between the first circumferential surface and the second circumferential surface.
The described pipe part that curves inwardly has continuous in inner curve towards described turning.
Described circumferential edges is an inclined-plane.
The first described circumferential surface is perpendicular to the longitudinal axis of described piston rod, and the part that curves inwardly is close to the first circumferential surface.
Described sleeve pipe has a cylindric radially outward and points to surface, and it contacts with the cylindrical inner wall of pipe.
Advantage to be solved in the utility model and beneficial effect are: change structure designs, and improves corrosion-resistant protection, extend the working life of piston-cylinder devices, reduce costs, and strengthen benefit.
Accompanying drawing explanation
Accompanying drawing 1: piston-cylinder devices part longitudinal section schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further: piston-cylinder devices, comprise: a cylinder component (1) and the piston component (2) be connected with piston rod (3) movably, the enclosure portion (5) that cylinder component (1) is often held by a pipe (4) and cylinder component forms, enclosure portion (5) at one end has a sleeve pipe (6), and it has cylindric radially outward sensing surface (6f) and contacts with the cylindrical inner wall (4b) of pipe (4).Described sleeve pipe (6) be provided with for through piston rod (3) through hole (6a) and by the end-enclosed of pipe (4).And the top of first circumferential surface (6b) at sleeve pipe (6) radially-inwardly bending towards piston rod (3), described end, described the first circumferential surface (6b) is perpendicular to the longitudinal axis (3a) of described piston rod (3), and the part (4a) that curves inwardly is close to the first circumferential surface (6b).Sleeve pipe (6) is provided with a flange (6c), and it has the circumference of the second circumferential surface closed piston bar (3) and axially extend beyond the part that curves inwardly.The part (4a) that curves inwardly of pipe (4) ends at the circumferential edges (6e) at the positive turning (6d) closing on sleeve pipe (6).Described pipe (4) part (4a) that curves inwardly has continuous in inner curve towards described turning (6d).Described circumferential edges (6e) is an inclined-plane, and positive turning (6d) is formed between the first circumferential surface (6b) and the second circumferential surface.
Claims (5)
1. piston-cylinder devices, it is characterized in that, comprise: a cylinder component (1) and the piston component (2) be connected with piston rod (3) movably, the enclosure portion (5) that cylinder component (1) is often held by a pipe (4) and cylinder component forms, enclosure portion (5) at one end has a sleeve pipe (6), its be provided with for through piston rod (3) through hole (6a) and by the end-enclosed of pipe (4), and the top of first circumferential surface (6b) at sleeve pipe (6) radially-inwardly bending towards piston rod (3), described end, sleeve pipe (6) is provided with a flange (6c), it has the circumference of the second circumferential surface closed piston bar (3) and axially extend beyond the part that curves inwardly, the part (4a) that curves inwardly of pipe (4) ends at the circumferential edges (6e) at the positive turning (6d) closing on sleeve pipe (6), positive turning (6d) is formed between the first circumferential surface (6b) and the second circumferential surface.
2. piston-cylinder devices according to claim 1, is characterized in that: described pipe (4) part (4a) that curves inwardly has continuous in inner curve towards described turning (6d).
3. piston-cylinder devices according to claim 1, is characterized in that: described circumferential edges (6e) is an inclined-plane.
4. piston-cylinder devices according to claim 2, is characterized in that: described the first circumferential surface (6b) is perpendicular to the longitudinal axis (3a) of described piston rod (3), and the part (4a) that curves inwardly is close to the first circumferential surface (6b).
5. piston-cylinder devices according to claim 2, is characterized in that: described sleeve pipe (6) has a cylindric radially outward and points to surface (6f), and it contacts with the cylindrical inner wall (4b) of pipe (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520783384.9U CN204961456U (en) | 2015-10-10 | 2015-10-10 | Bucket cylinder device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520783384.9U CN204961456U (en) | 2015-10-10 | 2015-10-10 | Bucket cylinder device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204961456U true CN204961456U (en) | 2016-01-13 |
Family
ID=55056526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520783384.9U Expired - Fee Related CN204961456U (en) | 2015-10-10 | 2015-10-10 | Bucket cylinder device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204961456U (en) |
-
2015
- 2015-10-10 CN CN201520783384.9U patent/CN204961456U/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: 20160113 Termination date: 20171010 |