CN201843853U - Oil cylinder for hydraulic press brakes - Google Patents
Oil cylinder for hydraulic press brakes Download PDFInfo
- Publication number
- CN201843853U CN201843853U CN2010205757157U CN201020575715U CN201843853U CN 201843853 U CN201843853 U CN 201843853U CN 2010205757157 U CN2010205757157 U CN 2010205757157U CN 201020575715 U CN201020575715 U CN 201020575715U CN 201843853 U CN201843853 U CN 201843853U
- Authority
- CN
- China
- Prior art keywords
- cylinder body
- oil cylinder
- piston rod
- worm gear
- gear case
- 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 utility model relates to an oil cylinder for hydraulic press brakes, which comprises a cylinder body, a piston rod, a screw shaft and a worm gear case, the upper end of the piston rod is positioned in the cylinder body, a guide sleeve is arranged between the lower end of the piston rod and the cylinder body, the worm gear case is arranged on the top of the cylinder body, the upper end of the screw shaft passes through the cylinder body and the piston rod and is extended into the worm gear case, the upper end of the screw shaft is provided with a worm gear matched with a worm, a screw cap is arranged between the upper end of the piston rod and the screw shaft, the top of the screw cap is provided with an oil cylinder cap, and the oil cylinder is characterized in that the oil cylinder cap is integrated with the cylinder body. The utility model has the advantages of compact structure, high precision, less cylinder body leakage points, long service life and low fabrication cost.
Description
Technical field
The utility model relates to a kind of oil cylinder, specifically, relates to a kind of hydraulic bending press oil cylinder.
Background technique
Existing hydraulic bending press oil cylinder, as shown in Figure 1, cylinder block is straight-through form, add an oil cylinder cover on cylinder body, oil cylinder cover adds Sealing, realizes the outer ring sealing, such sealing structure is poor, and maintenance labor intensity is big, and complex structure, manufacture cost height.Therefore, need a kind of new technological scheme to solve above-mentioned technical problem.
The model utility content
The purpose of this utility model is for solving the problems of the technologies described above, and it is an overall structure that a kind of oil cylinder cover and cylinder body are provided, compact structure, precision height, the hydraulic bending press oil cylinder of the low and low cost of manufacture of maintenance rate.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
The hydraulic bending press oil cylinder, comprise cylinder body, piston rod, screw axis and Worm gear case, the top of described piston rod places in the cylinder body, be provided with guide sleeve between the bottom of described piston rod and cylinder body, described Worm gear case places the cylinder body top, cylinder body is passed on the top of described screw axis and piston rod extends in the Worm gear case, the top of described screw axis is provided with the worm gear that is combined with worm screw, be provided with blind nut between the top of described piston rod and the screw axis, the top of described blind nut is provided with oil cylinder cover, and described oil cylinder cover and cylinder body are an overall structure.
Oil cylinder cover of the present utility model and cylinder body are an overall structure, have saved the assembling and the processing of oil cylinder cover, have reduced the leakage point of cylinder body, have improved the quality of cylinder body, have saved manufacture cost.And cylinder body adopts the blind hole form, and cylinder bore and guide sleeve mounting hole screw axis mounting hole adopt the time processing moulding simultaneously, has improved the installation precision of oil cylinder, has reduced the maintenance rate of oil cylinder.
The utility model has the advantages that: compact structure, the precision height, the cylinder body leak point is few, long service life, low cost of manufacture.
Description of drawings
Fig. 1 is the structural representation of existing hydraulic bending press oil cylinder.
Fig. 2 is an overall structure schematic representation of the present utility model.
Wherein: 1, cylinder body, 2, piston rod, 3, screw axis, 4, Worm gear case, 5, guide sleeve, 6, worm screw, 7, worm gear, 8, blind nut, 9, oil cylinder cover.
Embodiment
As shown in Figure 2, the hydraulic bending press oil cylinder, comprise cylinder body 1, piston rod 2, screw axis 3 and Worm gear case 4, the top of piston rod 2 places in the cylinder body 1,1 of the bottom of piston rod 2 and cylinder body are provided with guide sleeve 5, Worm gear case 4 places cylinder body 1 top, cylinder body 1 is passed on the top of screw axis 3 and piston rod 2 extends in the Worm gear case 4, the top of screw axis 3 is provided with the worm gear 7 that is combined with worm screw 6, be provided with blind nut 8 between the top of piston rod 2 and the screw axis 3, the top of blind nut 8 is provided with oil cylinder cover 9, and oil cylinder cover 9 is an overall structure with cylinder body 1.
Claims (1)
1. hydraulic bending press oil cylinder, comprise cylinder body, piston rod, screw axis and Worm gear case, the top of described piston rod places in the cylinder body, be provided with guide sleeve between the bottom of described piston rod and cylinder body, described Worm gear case places the cylinder body top, cylinder body is passed on the top of described screw axis and piston rod extends in the Worm gear case, the top of described screw axis is provided with the worm gear that is combined with worm screw, be provided with blind nut between the top of described piston rod and the screw axis, the top of described blind nut is provided with oil cylinder cover, it is characterized in that: described oil cylinder cover and cylinder body are an overall structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205757157U CN201843853U (en) | 2010-10-26 | 2010-10-26 | Oil cylinder for hydraulic press brakes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205757157U CN201843853U (en) | 2010-10-26 | 2010-10-26 | Oil cylinder for hydraulic press brakes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201843853U true CN201843853U (en) | 2011-05-25 |
Family
ID=44038745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205757157U Expired - Fee Related CN201843853U (en) | 2010-10-26 | 2010-10-26 | Oil cylinder for hydraulic press brakes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201843853U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536950A (en) * | 2012-03-26 | 2012-07-04 | 南通久久液压机械制造有限公司 | Hydraulic speed-up cylinder |
-
2010
- 2010-10-26 CN CN2010205757157U patent/CN201843853U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536950A (en) * | 2012-03-26 | 2012-07-04 | 南通久久液压机械制造有限公司 | Hydraulic speed-up cylinder |
| CN102536950B (en) * | 2012-03-26 | 2015-06-10 | 南通久久液压机械制造有限公司 | Hydraulic speed-up cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110525 Termination date: 20131026 |