CN2644747Y - Stroke adjustable hydraulic cylinder - Google Patents
Stroke adjustable hydraulic cylinder Download PDFInfo
- Publication number
- CN2644747Y CN2644747Y CN 03279310 CN03279310U CN2644747Y CN 2644747 Y CN2644747 Y CN 2644747Y CN 03279310 CN03279310 CN 03279310 CN 03279310 U CN03279310 U CN 03279310U CN 2644747 Y CN2644747 Y CN 2644747Y
- Authority
- CN
- China
- Prior art keywords
- piston rod
- stroke
- stroke adjusting
- oil cylinder
- swivel nut
- 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
Links
Abstract
The utility model relates to the oil cylinder technique, in particular to the bending machine oil cylinder applied in the WCY67Y series, comprising a cylinder body, a hollow piston rod, a stroke adjusting rod and a stroke adjusting screw sleeve; an internal thread is arranged in the hollow piston rod, the stroke adjusting rod is threaded with the piston rod and the stroke adjusting screw sleeve is connected with the piston rod by keys and key seats. The key seats need not to be processed inside the piston rod of the utility model so that the piston rod forms an integral structure, so as to improve the processing technique and reduce the cost. On the stroke adjusting rod, the external thread need not to be processed except for a key seat and the processing technique has been improved. The external thread is applied on the stroke adjusting screw sleeve, thus improving the intensity of the thread without changing other dimensions.
Description
Technical field
The utility model relates to the oil cylinder technology, especially for the bender oil cylinder of WC67Y series.
Background technique
The serial bender oil cylinder of WC67Y that is used for that generally adopts at present is to realize that stroke is adjustable, on stroke regulating lever, make outside thread, the stroke adjustment swivel nut is connected with stroke regulating lever by internal thread, and in the box type piston bar, make elongated key grooves, by this keyway and flat key the stroke adjustment swivel nut is arranged in the box type piston bar.Because above-mentioned design need be processed long keyway when producing, processing technology is had relatively high expectations, and strengthens work difficulty, and the up-to-standard rate of finished product is difficult to improve, and simultaneously, because the stroke adjustment swivel nut is an internal thread, thread size is little, and intensity is relatively poor, so influenced the working life of product.
The model utility content
The purpose of this utility model is to design and a kind ofly can effectively reduces the production difficulty, improves the product new type of adjustable stroke oil cylinder in working life.
The utility model comprises cylinder body, box type piston bar, stroke regulating lever, stroke adjustment swivel nut, establishes internal thread at the box type piston bar, being threaded, is connected with key, keyway between stroke regulating lever and stroke adjustment swivel nut between row key joint swivel nut and piston rod.
The utility model has following obvious superiority than prior art:
1, do not need to process keyway in the piston rod, make piston rod become overall structure, so both improved technology capability, reduced cost again.
2, do not need threading on the stroke regulating lever, as long as processing one keyway, technology capability is improved.
3, the stroke adjustment swivel nut has made outside thread into, and under the situation that does not change other sizes, screw strength is improved.
In addition, material is economized in processing for convenience, and the utility model cylinder body is connected with bolt each other by Master cylinder body, upper cover and following capping.
Description of drawings
Fig. 1 is the utility model structural representation.
Among the figure, 1 upper cover, 2 bolts, 3 Master cylinder bodies, 4 stroke adjustment swivel nuts, 5 stroke regulating levers, 6 piston rods, 7 times cappings, 8 flat keys, 9 keyways.
Specific embodiment
As shown in the figure, the cylinder body of oil cylinder is interconnected to form by bolt 2 by Master cylinder body 3 and upper cover 1, following capping 7.
Establish internal thread in the box type piston bar 6, stroke adjustment swivel nut 4 is connected with box type piston bar 6 by outside thread, inwall at stroke Adjusting bolt Adjusting screw 4, offer a keyway 9 along its length direction, its length direction connects a flat key 8 in stroke regulating lever 5 outers, and stroke regulating lever 5 is slidingly connected in the stroke adjustment swivel nut 4 by this flat key 8.
Claims (2)
1, new type of adjustable stroke oil cylinder, comprise cylinder body, box type piston bar, stroke regulating lever, stroke adjustment swivel nut, it is characterized in that establishing internal thread, being threaded, be connected with key, keyway between stroke regulating lever and stroke adjustment swivel nut between row key joint swivel nut and piston rod at the box type piston bar.
2, according to the described oil cylinder of claim 1, it is characterized in that described cylinder body is made up of Master cylinder body, upper cover and following capping, connect with bolt each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03279310 CN2644747Y (en) | 2003-09-15 | 2003-09-15 | Stroke adjustable hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03279310 CN2644747Y (en) | 2003-09-15 | 2003-09-15 | Stroke adjustable hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2644747Y true CN2644747Y (en) | 2004-09-29 |
Family
ID=34303396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03279310 Expired - Fee Related CN2644747Y (en) | 2003-09-15 | 2003-09-15 | Stroke adjustable hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2644747Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588380A (en) * | 2012-03-26 | 2012-07-18 | 徐州重型机械有限公司 | Hydraulic cylinder |
| CN109780002A (en) * | 2019-02-27 | 2019-05-21 | 温州易正科技有限公司 | A kind of adjusting oil cylinder of applicable various working |
-
2003
- 2003-09-15 CN CN 03279310 patent/CN2644747Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588380A (en) * | 2012-03-26 | 2012-07-18 | 徐州重型机械有限公司 | Hydraulic cylinder |
| CN102588380B (en) * | 2012-03-26 | 2015-11-25 | 徐州重型机械有限公司 | A kind of hydraulic jack |
| CN109780002A (en) * | 2019-02-27 | 2019-05-21 | 温州易正科技有限公司 | A kind of adjusting oil cylinder of applicable various working |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |