CN216343096U - Novel pressure cylinder for water expansion machine - Google Patents
Novel pressure cylinder for water expansion machine Download PDFInfo
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- CN216343096U CN216343096U CN202122601015.1U CN202122601015U CN216343096U CN 216343096 U CN216343096 U CN 216343096U CN 202122601015 U CN202122601015 U CN 202122601015U CN 216343096 U CN216343096 U CN 216343096U
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Abstract
The utility model provides a novel pressurized cylinder of water expansion machine, has solved original hydro-cylinder piston rod and water jar piston rod disalignment, causes the problem that equipment life reduces. The hydraulic cylinder comprises a water cylinder barrel and an oil cylinder barrel, wherein an intermediate guide sleeve is connected between the water cylinder barrel and the oil cylinder barrel; the middle part of the middle sleeve is provided with a water drainage tank and a water drainage hole, and the water drainage hole is communicated with the water drainage tank; a piston of a piston rod which moves back and forth is arranged in the cylinder barrel of the oil cylinder, and a rod of the piston rod is inserted into the cylinder barrel of the water cylinder through the middle guide sleeve; the circumference diameter of the matching part of the piston rod and the cylinder barrel of the oil cylinder is larger than the circumference diameter of the matching part of the rod of the piston rod and the middle guide sleeve. The utility model has novel structure and ingenious conception, and replaces two piston rods with one piston rod, thereby solving the problem of non-coaxial two piston rods, reducing the space size and the weight of the equipment.
Description
Technical Field
The utility model relates to the technical field of equipment manufacturing, in particular to a novel pressure cylinder for a water expansion machine.
Background
The water expansion machine is a hydraulic machine which is used for extruding and pasting a billet tube material to a die cavity by injecting ultrahigh pressure aqueous solution into the billet tube so as to form a workpiece with the shape similar to that of the die cavity. The ultrahigh-pressure water solution is provided by a double-liquid pressure cylinder. Therefore, the booster cylinder is an indispensable device for the water expander. At present, a cylinder piston rod and a water cylinder piston rod of a pressure cylinder for a water expansion machine are of split structures and are connected together through a connecting flange, so that the coaxiality between the cylinder piston rod and the water cylinder piston rod is difficult to guarantee. If the coaxiality of the piston rod and the cylinder barrel is poor, the friction force between the piston rod and the cylinder barrel is increased certainly, and the failure of the piston rod of the water cylinder is accelerated. Meanwhile, because the piston rod of the water cylinder and the piston rod of the oil cylinder are separated, the pull rod of the pressure cylinder needs to be increased, and the space size and the weight of the pressure cylinder are increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, provides the novel pressure cylinder for the water expander, effectively solves the problem that the service life of equipment is shortened due to the fact that the original oil cylinder piston rod and the original water cylinder piston rod are not coaxial, and greatly reduces the space size and the weight of the pressure cylinder.
The utility model is realized by the following technical scheme: a novel pressure cylinder for a water expander comprises a water cylinder barrel and an oil cylinder barrel, wherein an intermediate guide sleeve is connected between the water cylinder barrel and the oil cylinder barrel;
a water drainage groove and a water drainage hole are formed in the middle of the middle guide sleeve, and the water drainage hole is communicated with the water drainage groove;
a piston rod is arranged in the oil cylinder barrel, a piston of the piston rod is in sliding fit with the inner diameter of the oil cylinder barrel, a rod of the piston rod is in sliding fit with the inner diameter of the middle guide sleeve, and the piston rod is inserted into the water cylinder barrel to move axially;
the diameter of the circumference of the piston rod matched with the cylinder barrel of the oil cylinder is larger than the diameter of the matched part of the rod of the piston rod and the middle guide sleeve.
Preferably, the connecting end of the middle guide sleeve and the oil cylinder barrel is provided with a high-pressure sealing ring for preventing oil leakage.
Preferably, the connecting end of the middle guide sleeve and the water cylinder barrel is provided with an ultrahigh pressure sealing ring for preventing water leakage.
Preferably, the end of the water cylinder barrel is connected with a water cylinder flange, the end of the oil cylinder barrel is connected with an oil cylinder flange, and the water cylinder flange and the oil cylinder flange are connected into a whole through four groups of pull rods.
Preferably, both ends of the pull rod are provided with threads, one end of the pull rod penetrates through the water cylinder flange and is in threaded connection with the nut, and the other end of the pull rod penetrates through the oil cylinder flange and is in threaded connection with the nut.
The utility model has novel structure and ingenious design, solves the problem of non-coaxial two piston rods, reduces the space size, reduces the weight of the equipment, prolongs the service life of the equipment, has been successfully applied to internal high-voltage equipment produced by the company, and has great market popularization value.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of an explosive structure according to the present invention;
FIG. 3 is a schematic cross-sectional view of the present invention;
FIG. 4 is a schematic view of the middle guide sleeve of the present invention after being cut open;
wherein: 1. a water cylinder barrel; 2. an oil cylinder barrel; 3. a middle guide sleeve; 4. a water drainage tank; 5. a water drain hole; 6. a piston rod; 7. a water vat flange; 8. an oil cylinder flange; 9. a pull rod; 10. and a nut.
Detailed Description
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-4, a novel pressure cylinder for a water expansion machine comprises a water cylinder barrel 1 and an oil cylinder barrel 2, wherein an intermediate guide sleeve 3 is connected between the water cylinder barrel 1 and the oil cylinder barrel 2;
a piston rod 6 is arranged in the oil cylinder barrel 2, a piston of the piston rod 6 is in sliding fit with the inner diameter of the oil cylinder barrel, a rod of the piston rod 6 is in sliding fit with the inner diameter of the middle guide sleeve 3 and is inserted into the water cylinder barrel 1 to move axially;
a water drainage groove 4 and a water drainage hole 5 are formed in the middle of the middle guide sleeve 3, and the water drainage hole 5 is communicated with the water drainage groove 4;
the diameter of the circumference of the piston rod 6 matched with the cylinder barrel 2 of the oil cylinder is larger than the diameter of the matched part of the rod of the piston rod 6 and the middle guide sleeve 3, and the actual size of the pressure cylinder is determined by the proportion of the pressure cylinder needing to be pressurized.
In the utility model, the piston rod 6 is made into an integral structure, the original cylinder piston rod and the original cylinder piston rod are combined into one piston rod 6, and the original cylinder guide sleeve and the original connecting flange are replaced by the middle guide sleeve 3, so that the coaxiality of the whole piston rod 6 can be ensured, the space size of the equipment can be reduced to the greatest extent, the weight is greatly reduced, and the problem of different coaxiality of the two piston rods does not exist;
the middle guide sleeve 3 is provided with a water drainage groove 4 and a water drainage hole 5, when the water tank leaks, water liquid can flow out conveniently and is collected and returned to the water tank, and pollution is reduced.
And a high-pressure sealing ring for preventing oil leakage is arranged at the joint end of the middle guide sleeve 3 and the oil cylinder barrel 2.
And the connecting end of the middle guide sleeve 3 and the water cylinder barrel 1 is provided with an ultrahigh pressure sealing ring for preventing water leakage.
The high-pressure sealing ring and the ultrahigh-pressure sealing ring are arranged, so that the sealing effect can be ensured to the greatest extent, and the situations of oil leakage, water leakage and the like of equipment are avoided.
The end part of the water cylinder barrel 1 is connected with a water cylinder flange 7, the end part of the oil cylinder barrel 2 is connected with an oil cylinder flange 8, and the water cylinder flange 7 and the oil cylinder flange 8 are connected into a whole through four groups of pull rods 9.
The flange connection is one of the most common ways and will not be described in detail here.
Both ends of the pull rod 9 are provided with threads, one end of the pull rod 9 penetrates through the water cylinder flange 7 and is in threaded connection with a nut 10, and the other end of the pull rod 9 penetrates through the oil cylinder flange 8 and is in threaded connection with the nut 10.
Four groups of pull rods 9 are arranged, the four groups of pull rods 9 are rectangular parts, and the two flanges are connected together through the cooperation of the pull rods 9 and nuts 10.
The utility model combines the original cylinder piston rod and the cylinder piston rod into a piston rod 6, replaces the original cylinder guide sleeve and the connecting flange by a middle guide sleeve 3, and arranges the sealing ring arranged on the cylinder barrel 2 of the cylinder on the middle guide sleeve 3, thereby reducing the space size of the novel pressure cylinder, reducing the weight and avoiding the problem of different axiality of the two piston rods.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (5)
1. A novel pressure cylinder for a water expansion machine comprises a water cylinder barrel (1) and an oil cylinder barrel (2), and is characterized in that an intermediate guide sleeve (3) is connected between the water cylinder barrel (1) and the oil cylinder barrel (2);
a water drainage groove (4) and a water drainage hole (5) are formed in the middle of the middle guide sleeve (3), and the water drainage hole (5) is communicated with the water drainage groove (4);
a piston rod (6) is arranged in the oil cylinder barrel (2), a piston of the piston rod (6) is in sliding fit with the inner diameter of the oil cylinder barrel, a rod of the piston rod (6) is in sliding fit with the inner diameter of the middle guide sleeve (3), and the piston rod is inserted into the water cylinder barrel (1) to move axially;
the diameter of the circumference of the piston rod (6) matched with the cylinder barrel (2) of the oil cylinder is larger than the diameter of the matched part of the rod of the piston rod (6) and the middle guide sleeve (3).
2. The novel pressure cylinder for the hydraulic expansion machine according to claim 1, wherein a high-pressure sealing ring for preventing oil leakage is arranged at the connecting end of the intermediate guide sleeve (3) and the oil cylinder barrel (2).
3. The novel pressure cylinder for the water inflation machine as claimed in claim 1, wherein the connecting end of the intermediate guide sleeve (3) and the water cylinder barrel (1) is provided with an ultrahigh pressure sealing ring for preventing water leakage.
4. The novel pressure cylinder for the water inflation machine as claimed in claim 1, wherein the end of the water cylinder barrel (1) is connected with a water cylinder flange (7), the end of the oil cylinder barrel (2) is connected with an oil cylinder flange (8), and the water cylinder flange (7) and the oil cylinder flange (8) are connected into a whole through a pull rod (9).
5. The novel pressure cylinder for the water expander is characterized in that threads are arranged at two ends of the pull rod (9), one end of the pull rod (9) penetrates through the water cylinder flange (7) and is in threaded connection with a nut (10), and the other end of the pull rod (9) penetrates through the oil cylinder flange (8) and is in threaded connection with the nut (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122601015.1U CN216343096U (en) | 2021-10-27 | 2021-10-27 | Novel pressure cylinder for water expansion machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122601015.1U CN216343096U (en) | 2021-10-27 | 2021-10-27 | Novel pressure cylinder for water expansion machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216343096U true CN216343096U (en) | 2022-04-19 |
Family
ID=81130750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122601015.1U Active CN216343096U (en) | 2021-10-27 | 2021-10-27 | Novel pressure cylinder for water expansion machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216343096U (en) |
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2021
- 2021-10-27 CN CN202122601015.1U patent/CN216343096U/en active Active
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