CN217421706U - Piston spacer sleeve integrated telescopic oil cylinder - Google Patents
Piston spacer sleeve integrated telescopic oil cylinder Download PDFInfo
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- CN217421706U CN217421706U CN202221072756.3U CN202221072756U CN217421706U CN 217421706 U CN217421706 U CN 217421706U CN 202221072756 U CN202221072756 U CN 202221072756U CN 217421706 U CN217421706 U CN 217421706U
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Abstract
The utility model provides a flexible hydro-cylinder of piston spacer integration, the hydraulic cylinder comprises a cylinder, the equal opening of cylinder left and right-hand member, and the left end is fixed with left cylinder cap, right-hand member and is fixed with right cylinder cap, the cylinder in be equipped with the piston, the piston link to each other with the piston rod, the piston right side be fixed with rather than integrative spacer, and be equipped with the inlet port on the right side of piston, the piston rod left end be equipped with the logical chamber that is linked together rather than the core oil pocket, the inlet port is linked together through the core oil pocket that leads to chamber and piston rod, piston and cylinder between be equipped with first sealing washer, second sealing washer in proper order. The beneficial effects of the utility model are that: the piston and the spacer bush are integrated, and the oil inlet hole is formed in the right side of the integrated piston, so that the integral installation step is simplified, the product stability is improved, and the maintenance cost is reduced; the structure can be suitable for telescopic oil cylinders of different models.
Description
Technical Field
The utility model belongs to the technical field of flexible hydro-cylinder, especially, be fit for a piston spacer integration flexible hydro-cylinder.
Background
The oil cylinder (hydraulic cylinder) is a hydraulic actuator which converts hydraulic energy into mechanical energy and makes linear reciprocating motion (or swinging motion). The oil cylinder has simple structure and reliable work, can omit a speed reducer when realizing reciprocating motion, has no transmission clearance, and moves stably, thereby being widely applied to hydraulic systems of various machines. The traditional telescopic cylinder is inconvenient to install and maintain equipment in later period because the piston and the spacer bush of the oil inlet hole to be treated are produced independently and are installed independently; and the separated piston and the spacer bush have certain influence on the stability of the oil cylinder.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a flexible hydro-cylinder of piston spacer integration, it reduces cost of maintenance, improves product quality, improves product stability, is particularly suitable for being used for on the lorry crane.
The technical scheme of the utility model is that: a piston spacer integrated telescopic oil cylinder comprises a cylinder barrel, wherein the left end and the right end of the cylinder barrel are both provided with openings, a left cylinder cover is fixed at the left end, a right cylinder cover is fixed at the right end, a piston is arranged in the cylinder barrel and is connected with a piston rod, a spacer integrated with the piston is fixed at the right side of the piston, an oil inlet hole is arranged at the right side of the piston, the left end of the piston rod is provided with a through cavity communicated with an oil cavity of a core part of the piston rod, the oil inlet hole is communicated with the oil cavity of the core part of the piston rod through the through cavity, a first sealing ring and a second sealing ring are sequentially arranged between the piston and the cylinder barrel, the right end of the piston rod penetrates through a corresponding through hole in the right cylinder cover and is connected with the rod sleeve, a support ring, a shaft seal and a dust ring are sequentially arranged between the piston rod and the right cylinder cover from left to right, a first oil inlet opening is arranged above the cylinder barrel and communicated with a cavity between the cylinder barrel and the piston rod, and a second oil inlet communicated with the core oil cavity of the piston rod is formed in the rod sleeve.
Preferably, a plurality of shaft seals are provided between the piston rod and the right cylinder head.
Preferably, a third sealing ring is arranged at the joint of the rod sleeve and the right end of the piston rod.
Preferably, first oil inlet opening, second oil inlet opening department all be equipped with the end cap.
The utility model has the advantages and positive effects that: by adopting the technical scheme, the piston and the spacer bush are integrated, and the right side of the integrated piston is provided with the oil inlet, so that the integral installation step is simplified, the product stability is improved, and the maintenance cost is reduced; the structure can be suitable for telescopic oil cylinders of different models.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure:
1. cylinder barrel 2, left cylinder cover 3 and right cylinder cover
4. Piston 5, piston rod 6, inlet port
7. Core oil cavity 8, rod sleeve 9 and support ring
10. Shaft seal 11, dust ring.
Detailed Description
As shown in figure 1, the technical scheme of the utility model is a piston spacer integration telescopic cylinder, including cylinder 1, the equal opening of cylinder 1 left and right ends, and left end is fixed with left cylinder cap 2, right-hand member and is fixed with right cylinder cap 3, cylinder 1 in be equipped with piston 4, piston 4 link to each other with piston rod 5, piston 4 right side be fixed with rather than integrative spacer, and be equipped with inlet port 6 on the right side of piston 4, piston rod 5 left end be equipped with the logical chamber that is linked together with its core oil pocket 7, inlet port 6 is linked together through the core oil pocket 7 that leads to the chamber and piston rod 5, piston 4 and cylinder 1 between be equipped with first sealing washer, second sealing washer in proper order, piston rod 5 right-hand member pass the perforation that corresponds on the right cylinder cap 3, and link to each other with rod cover 8, piston rod 5 and right cylinder cap 3 between from left to right be equipped with support ring 9 in proper order, The oil cylinder comprises a shaft seal 10 and a dust ring 11, wherein a first oil inlet opening is formed in the upper portion of the cylinder barrel 1 and communicated with a cavity between the cylinder barrel 1 and the piston rod 5, and a second oil inlet opening communicated with the core oil cavity 7 of the piston rod 5 is formed in the rod sleeve 8.
In this embodiment, a plurality of shaft seals 10 are provided between the piston rod 5 and the right cylinder head 3.
In this embodiment, a third sealing ring is disposed at a joint of the rod sleeve 8 and the right end of the piston rod 5.
In this embodiment, first oil feed opening, second oil feed opening part all be equipped with the end cap.
The working process and principle of the example are as follows: the integrated piston and the spacer bush in the telescopic oil cylinder have the advantages that the oil inlet hole is reserved on the right side of the integrated piston and the right side of the spacer bush, the stability of a product cannot be influenced due to structural change, and the product quality is improved. The telescopic oil cylinder is suitable for oil cylinders of 0643D type, but is not limited to the type, and can be integrally formed as a piston spacer according to actual type production requirements.
The technical parameters of the telescopic oil cylinder
1. When the pressure is 25 MPa, no external oil leakage, no part damage and no permanent deformation phenomenon of all parts exist;
2. and (3) full-stroke inspection: 1720 mm;
3. mounting distance: 157 mm;
4. internal leakage amount: less than or equal to 0.13 mL/min;
5. cylinder diameter: phi is 70 mm;
6. rod diameter: phi 56 mm.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (4)
1. The utility model provides a flexible hydro-cylinder of piston spacer integration which characterized in that: the cylinder comprises a cylinder barrel, wherein the left end and the right end of the cylinder barrel are both provided with openings, a left cylinder cover is fixed at the left end, a right cylinder cover is fixed at the right end, a piston is arranged in the cylinder barrel and connected with a piston rod, a spacer bush integrated with the piston is fixed at the right side of the piston, an oil inlet hole is arranged at the right side of the piston, a through cavity communicated with an oil cavity of a core part of the piston rod is arranged at the left end of the piston rod, the oil inlet hole is communicated with the oil cavity of the core part of the piston rod through the through cavity, a first sealing ring and a second sealing ring are sequentially arranged between the piston and the cylinder barrel, the right end of the piston rod penetrates through a corresponding through hole in the right cylinder cover and is connected with the rod sleeve, a support ring, a shaft seal and a dust ring are sequentially arranged between the piston rod and the right cylinder cover from left to right, a first oil inlet opening is arranged above the cylinder barrel and communicated with a cavity between the cylinder barrel and the piston rod, and a second oil inlet communicated with the core oil cavity of the piston rod is formed in the rod sleeve.
2. The piston spacer integrated telescopic oil cylinder according to claim 1, characterized in that: and a plurality of shaft seals are arranged between the piston rod and the right cylinder cover.
3. The piston spacer integrated telescopic oil cylinder according to claim 1, characterized in that: and a third sealing ring is arranged at the joint of the rod sleeve and the right end of the piston rod.
4. The piston spacer integrated telescopic oil cylinder according to claim 1, characterized in that: and the first oil inlet opening and the second oil inlet opening are respectively provided with a plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221072756.3U CN217421706U (en) | 2022-05-07 | 2022-05-07 | Piston spacer sleeve integrated telescopic oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221072756.3U CN217421706U (en) | 2022-05-07 | 2022-05-07 | Piston spacer sleeve integrated telescopic oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217421706U true CN217421706U (en) | 2022-09-13 |
Family
ID=83184810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221072756.3U Active CN217421706U (en) | 2022-05-07 | 2022-05-07 | Piston spacer sleeve integrated telescopic oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217421706U (en) |
-
2022
- 2022-05-07 CN CN202221072756.3U patent/CN217421706U/en active Active
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