CN221033435U - Hydraulic cylinder piston rod assembly - Google Patents
Hydraulic cylinder piston rod assembly Download PDFInfo
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- CN221033435U CN221033435U CN202323069411.XU CN202323069411U CN221033435U CN 221033435 U CN221033435 U CN 221033435U CN 202323069411 U CN202323069411 U CN 202323069411U CN 221033435 U CN221033435 U CN 221033435U
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 46
- 238000001125 extrusion Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 abstract description 19
- 230000000694 effects Effects 0.000 abstract description 5
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 11
- 239000012530 fluid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides a hydraulic cylinder piston rod assembly, comprising: the hydraulic cylinder has the advantages that the top of the cylinder shell is provided with a group of telescopic holes in a penetrating mode, the inside of the cylinder shell is provided with a group of hydraulic cavities, and a group of pressurizing cavities I are arranged below the hydraulic cavities. Through setting up booster cavity one, booster cavity two, booster plate one, booster plate two and sealed gasbag, the accessible atmospheric pressure changes and makes sealed gasbag aerify and the contact of hydraulic stem shaft to avoid the liquid leakage problem, lead to hydraulic system inefficacy, through setting up the effect of taking the brush baffle, can play the sealed gasbag of bearing, make sealed gasbag can not produce the phenomenon of displacement from top to bottom when inflating, guaranteed sealed stability, the brush can clear away unnecessary liquid of hydraulic stem shaft department when the piston motion about the hydraulic stem simultaneously, thereby the too much liquid of shaft department leads to revealing when avoiding the hydraulic stem to be the piston motion, avoid influencing hydraulic cylinder normal work.
Description
Technical Field
The utility model belongs to the technical field of hydraulic cylinders, and particularly relates to a hydraulic cylinder piston rod assembly.
Background
The hydraulic cylinder is a common industrial device, and the main function of the hydraulic cylinder is to push the piston rod through hydraulic pressure so as to complete various mechanical movement tasks. The piston rod is an important component in the hydraulic cylinder and is responsible for transmitting and bearing force. Normally, the hydraulic cylinder piston rod assembly needs to be provided with a sealing mechanism to avoid the following problems:
Leakage problem: if the piston rod of the hydraulic cylinder is not provided with a sealing mechanism, the problem of liquid leakage is easy to occur. The fluid pressure in the hydraulic ram is high and if the piston rod surface does not have a sealing mechanism, fluid can leak out of the gap between the piston rod and the ram. This not only results in wasted energy, but also may result in unstable operation, reduced performance, and even failure of the hydraulic system.
Failure problem of hydraulic system: the sealing mechanism not only prevents liquid leakage, but also keeps pressure in the hydraulic system stable. If the piston rod does not have an appropriate sealing mechanism, the hydraulic pressure cannot be effectively maintained and the hydraulic system cannot provide a stable force output. This can result in the machine or equipment not working in the intended manner, affecting the efficiency and quality of production.
In summary, if the hydraulic cylinder piston rod assembly is not provided with the sealing mechanism, a series of serious operation problems such as liquid leakage, hydraulic system failure and the like can occur, and the normal work and the production efficiency of mechanical equipment are affected. Accordingly, it is desirable to develop a hydraulic ram piston rod assembly that addresses the above issues.
Disclosure of utility model
Aiming at the defects in the prior art, the utility model aims to provide a piston rod assembly of a hydraulic oil cylinder.
The utility model is realized by the following technical scheme: a hydraulic ram piston rod assembly comprising: the hydraulic cylinder comprises an oil cylinder shell, a hydraulic rod and a sealing air bag, wherein a group of telescopic holes are formed in the top of the oil cylinder shell in a penetrating mode, a group of hydraulic cavities are formed in the oil cylinder shell, and a group of pressurizing cavities I are formed below the hydraulic cavities;
The top of the oil cylinder shell is provided with a group of hydraulic rods, the lower ends of the hydraulic rods penetrate through the telescopic holes and are positioned in the hydraulic cavities, a group of extrusion plates are fixed at the bottoms of the hydraulic rods, and a group of supercharging plates I are arranged below the extrusion plates;
A group of sealing air bags are arranged above the inside of the hydraulic cavity, a group of same inflating nozzles are respectively arranged at the left end and the right end of each sealing air bag, a group of pressurizing cavities II are respectively arranged in the left inner wall and the right inner wall of each hydraulic cavity, and the inflating nozzles are in through connection with the pressurizing cavities II.
As a preferred embodiment, the left side and the right side below the sealing air bag are respectively provided with a group of same baffle plates with brushes, one side, close to the hydraulic rod, of each baffle plate with brushes is glued with a group of brushes, and the radius length of a circle formed by the two groups of brushes is larger than that of the hydraulic rod.
As a preferred implementation mode, a group of connecting rods are arranged below the pressurizing plate, the lower ends of the connecting rods penetrate through the top of the pressurizing cavity I and extend into the pressurizing cavity I, sealing rings are arranged at the penetrating positions of the connecting rods, and a group of pressurizing plates II are arranged at the bottoms of the connecting rods.
As a preferred embodiment, the radius length of the first pressurizing plate is the same as that of the second pressurizing plate, the radius length of the first pressurizing plate is the same as that of the extruding plate, and two groups of identical reset springs are arranged on the left side and the right side below the second pressurizing plate.
As a preferred implementation mode, the first pressurizing cavities and the second pressurizing cavities are connected in a penetrating way through the two communicating cavities, the two communicating cavities are identical in size and are in mirror symmetry, the two communicating cavities are of L-shaped structures, when the hydraulic pressure rod is in actual use, the hydraulic pressure rod moves up and down in the hydraulic cavity, when the hydraulic pressure rod moves downwards, the extruding plate downwards extrudes the first pressurizing plate, so that the first pressurizing plate moves downwards in the hydraulic cavity, the first pressurizing plate downwards moves to drive the second pressurizing plate to downwards move in the first pressurizing cavity through the connecting rod, and meanwhile, the first pressurizing plate downwards compresses the two groups of return springs, so that the two groups of return springs shrink the storage force;
When the second pressurizing plate moves downwards, the air pressure in the first pressurizing cavity is increased, the air pressure in the second pressurizing cavity is pressurized through the two groups of communicating cavities, so that air in the second pressurizing cavity is forced to enter the sealing air bag through the two groups of charging nozzles, the sealing air bag is inflated and the inner side of the sealing air bag is in close contact with the outer side of the rod body of the hydraulic rod, the sealing effect is achieved, liquid in the oil cylinder is prevented from leaking, and the hydraulic system cannot work normally due to failure.
As a preferred embodiment, the bottom of the return spring is fixed with the bottom of the pressurizing cavity I, the top of the return spring is contacted with the bottom of the pressurizing plate II, and the height of the return spring is smaller than the internal height of the pressurizing cavity II.
As a preferred implementation mode, the sealing air bag is of an annular structure, a through hole is formed in the center of the sealing air bag, the radius length of the through hole is larger than that of the hydraulic rod, when the hydraulic rod moves upwards in actual use, the extrusion plate does not extrude the first pressurizing plate, two groups of reset springs stretch to jack up the second pressurizing plate upwards, meanwhile, the first pressurizing plate is driven to reset in the hydraulic cavity through the connecting rod, after the second pressurizing plate moves upwards, the air pressure in the first pressurizing cavity is reduced, the air pressure in the second pressurizing cavity is reduced through the communicating cavity, and air in the sealing air bag is forced to be pumped into the second pressurizing cavity, so that the sealing air bag is restored to an initial state and waits for next inflation;
Meanwhile, when the hydraulic rod moves upwards, the brushes on the inner sides of the two groups of baffle plates with brushes brush the sticky liquid at the rod body of the hydraulic rod, so that the liquid leakage is prevented when the redundant liquid moves upwards through the hydraulic rod, and the hydraulic cylinder cannot be normally used due to the failure of the hydraulic system.
After the technical scheme is adopted, the utility model has the beneficial effects that: through setting up booster cavity one, booster cavity two, booster plate one, booster plate two and sealed gasbag, accessible atmospheric pressure changes makes sealed gasbag aerify and contact with the hydraulic stem shaft, thereby make the hydraulic stem keep sealed state when the piston motion is done to the hydraulic cavity inside, thereby avoid the liquid leakage problem, lead to hydraulic system inefficacy, influence hydraulic cylinder's normal work, through setting up the area brush baffle, can play the effect of bearing sealed gasbag, make sealed gasbag can not produce the phenomenon of upper and lower displacement when aerifing, sealed stability has been guaranteed, the brush can clear away unnecessary liquid of hydraulic stem shaft department when the piston motion is done to the hydraulic stem from top to bottom simultaneously, thereby pole shaft department liquid is too much when avoiding the hydraulic stem to do the piston motion leads to revealing, avoid influencing hydraulic cylinder normal work.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic view of a hydraulic ram piston rod assembly according to the present utility model.
Fig. 2 is a schematic diagram of the internal structure of a hydraulic cylinder piston rod assembly according to the present utility model.
Fig. 3 is a schematic structural view of a sealing airbag in a hydraulic cylinder piston rod assembly according to the present utility model.
Fig. 4 is a top view of a brush baffle in a hydraulic cylinder piston rod assembly according to the present utility model.
In the figure, a cylinder shell 100-a hydraulic rod 110-a telescopic hole 120-a hydraulic cavity 130-a sealing air bag 140-a pressing plate 150-a pressing plate 160-a pressing plate I, a pressing plate 170-a pressing plate II, a connecting rod 180-a pressing plate 190-a pressing cavity I, a return spring 200-a return spring 210-a communicating cavity 220-a pressing cavity II, a baffle plate 230-with a brush and an inflating nozzle 240-are arranged.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only one end embodiment of the present utility model, not the all-end embodiment. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Please refer to fig. 1 to 4: a hydraulic ram piston rod assembly comprising: the hydraulic cylinder comprises an oil cylinder shell 100, a hydraulic rod 110 and a sealing air bag 140, wherein a group of telescopic holes 120 are formed in the top of the oil cylinder shell 100 in a penetrating manner, a group of hydraulic cavities 130 are formed in the oil cylinder shell 100, and a group of pressurizing cavities I190 are formed below the hydraulic cavities 130;
The top of the oil cylinder shell 100 is provided with a group of hydraulic rods 110, the lower ends of the hydraulic rods 110 penetrate through the telescopic holes 120 and are positioned in the hydraulic cavities 130, a group of extrusion plates 150 are fixed at the bottom of the hydraulic rods 110, and a group of pressurizing plates 160 are arranged below the extrusion plates 150;
A group of sealing air bags 140 are arranged above the inside of the hydraulic cavity 130, a group of same charging nozzles 240 are respectively arranged at the left end and the right end of the sealing air bags 140, a group of pressurizing cavities II 220 are respectively arranged in the left inner wall and the right inner wall of the hydraulic cavity 130, and the charging nozzles 240 are in through connection with the pressurizing cavities II 220.
Referring to fig. 2 and 4, a set of identical baffle plates 230 with brushes are respectively arranged on the left and right sides below the sealing air bag 140, one side of the baffle plates 230 with brushes close to the hydraulic rod 110 is glued with a set of brushes, and the radius length of a circle formed by the two sets of brushes is greater than that of the hydraulic rod 110.
Referring to fig. 2, a set of connecting rods 180 is disposed below the first pressurizing plate 160, the lower ends of the connecting rods 180 penetrate through the top of the first pressurizing cavity 190 and extend into the first pressurizing cavity 190, sealing rings are disposed at the penetrating positions, and a set of second pressurizing plates 170 are disposed at the bottoms of the connecting rods 180.
Referring to fig. 2, the first pressure increasing plate 160 and the second pressure increasing plate 170 have the same radius length, the first pressure increasing plate 160 and the pressing plate 150 have the same radius length, and two identical sets of return springs 200 are disposed on the left and right sides below the second pressure increasing plate 170.
Referring to fig. 1 to 4, two groups of first pressurizing chambers 190 and two groups of second pressurizing chambers 220 are connected through two groups of communication chambers 210, the two groups of communication chambers 210 are identical in size and are in mirror symmetry, the two groups of communication chambers 210 are in an L-shaped structure, in actual use, a hydraulic rod 110 moves up and down in the hydraulic chamber 130, when the hydraulic rod 110 moves down, a pressing plate 150 presses a pressing plate 160 downwards, so that the pressing plate 160 moves downwards in the hydraulic chamber 130, the pressing plate 160 moves downwards, the pressing plate 170 is driven to move downwards in the pressing chamber 190 by a connecting rod 180, and meanwhile, the pressing plate 160 compresses two groups of return springs 200 downwards, so that the two groups of return springs 200 shrink and store force;
When the pressurizing plate II 170 moves downwards, the air pressure in the pressurizing cavity I190 is increased, the air pressure in the pressurizing cavity II 220 is pressurized through the two groups of communicating cavities 210, so that air in the pressurizing cavity II 220 is forced to enter the sealing air bag 140 through the two groups of inflating nozzles 240, the sealing air bag 140 is inflated and the inner side of the sealing air bag is in close contact with the outer side of the rod body of the hydraulic rod 110, the sealing effect is achieved, the leakage of liquid in the oil cylinder is prevented, and the hydraulic system cannot work normally due to failure.
Referring to fig. 2, the bottom of the return spring 200 is fixed to the bottom of the first pressurizing chamber 190, the top of the return spring 200 contacts the bottom of the second pressurizing plate 170, and the height of the return spring 200 is smaller than the internal height of the second pressurizing chamber 220.
Referring to fig. 1 to 4, the sealing airbag 140 has an annular structure, a through hole is formed in the center of the sealing airbag 140, the radius length of the through hole is greater than that of the hydraulic rod 110, when the hydraulic rod 110 moves upwards in actual use, the extrusion plate 150 does not extrude the first pressurizing plate 160, the two groups of return springs 200 extend to jack up the second pressurizing plate 170 upwards, meanwhile, the first pressurizing plate 160 is driven to reset in the hydraulic cavity 130 by the connecting rod 180, after the second pressurizing plate 170 moves upwards, the air pressure in the first pressurizing cavity 190 is reduced, the air pressure in the second pressurizing cavity 220 is reduced by the communicating cavity 210, and the air in the sealing airbag 140 is forced to be pumped into the second pressurizing cavity 220, so that the sealing airbag 140 returns to an initial state and waits for the next inflation;
Meanwhile, when the hydraulic rod 110 moves upwards, the brushes on the inner sides of the two groups of brush baffles 230 brush the sticky liquid at the rod body of the hydraulic rod 110, so that the excessive liquid is prevented from leaking when moving upwards through the hydraulic rod 110, and the hydraulic cylinder cannot be normally used due to failure of a hydraulic system.
Referring to fig. 1 to 4, as a set of embodiments of the present utility model: in actual use, the hydraulic rod 110 moves up and down in the hydraulic cavity 130, when the hydraulic rod 110 moves down, the extruding plate 150 extrudes the first pressurizing plate 160 downwards, so that the first pressurizing plate 160 moves downwards in the hydraulic cavity 130, the first pressurizing plate 160 moves downwards to drive the second pressurizing plate 170 to move downwards in the first pressurizing cavity 190 through the connecting rod 180, and meanwhile, the first pressurizing plate 160 compresses the two groups of return springs 200 downwards, so that the two groups of return springs 200 contract to store force;
When the pressurizing plate II 170 moves downwards, the air pressure in the pressurizing cavity I190 is increased, the air pressure in the pressurizing cavity II 220 is pressurized through the two groups of communicating cavities 210, so that air in the pressurizing cavity II 220 is forced to enter the sealing air bag 140 through the two groups of inflating nozzles 240, the sealing air bag 140 is inflated and the inner side of the sealing air bag is in close contact with the outer side of the rod body of the hydraulic rod 110, the sealing effect is achieved, the leakage of liquid in the oil cylinder is prevented, and the hydraulic system cannot work normally due to failure.
Referring to fig. 1 to 4, as another set of embodiments of the present utility model: based on the further explanation of the above embodiment, when the hydraulic rod 110 moves upwards, the squeeze plate 150 does not squeeze the first pressurizing plate 160 any more, the two groups of return springs 200 extend to jack up the second pressurizing plate 170 upwards, meanwhile, the first pressurizing plate 160 is driven by the connecting rod 180 to reset in the hydraulic cavity 130, after the second pressurizing plate 170 moves upwards, the air pressure in the first pressurizing cavity 190 is reduced, the air pressure in the second pressurizing cavity 220 is reduced through the communicating cavity 210, and the air in the sealing air bag 140 is forced to be pumped into the second pressurizing cavity 220, so that the sealing air bag 140 returns to the initial state and waits for the next inflation;
Meanwhile, when the hydraulic rod 110 moves upwards, the brushes on the inner sides of the two groups of brush baffles 230 brush the sticky liquid at the rod body of the hydraulic rod 110, so that the excessive liquid is prevented from leaking when moving upwards through the hydraulic rod 110, and the hydraulic cylinder cannot be normally used due to failure of a hydraulic system.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (7)
1. A hydraulic ram piston rod assembly comprising: hydro-cylinder shell (100), hydraulic stem (110) and sealed gasbag (140), its characterized in that: a group of telescopic holes (120) are formed in the top of the oil cylinder shell (100) in a penetrating manner, a group of hydraulic cavities (130) are formed in the oil cylinder shell (100), and a group of pressurizing cavities I (190) are formed below the hydraulic cavities (130);
The top of the oil cylinder shell (100) is provided with a group of hydraulic rods (110), the lower ends of the hydraulic rods (110) penetrate through the telescopic holes (120) and are positioned in the hydraulic cavities (130), a group of extrusion plates (150) are fixed at the bottoms of the hydraulic rods (110), and a group of supercharging plates I (160) are arranged below the extrusion plates (150);
The hydraulic pressure chamber (130) is internally provided with a group of sealing air bags (140), the left end and the right end of each sealing air bag (140) are respectively provided with a group of same charging nozzles (240), the left inner wall and the right inner wall of each hydraulic pressure chamber (130) are respectively provided with a group of pressurizing chambers II (220), and the charging nozzles (240) are in through connection with the pressurizing chambers II (220).
2. A hydraulic ram piston rod assembly as defined in claim 1 wherein: the left side and the right side below the sealing air bag (140) are respectively provided with a group of same baffle plates (230) with brushes, one side, close to the hydraulic rod (110), of each baffle plate (230) with brushes is glued with a group of brushes, and the radius length of a circle formed by the two groups of brushes is larger than that of the hydraulic rod (110).
3. A hydraulic ram piston rod assembly as defined in claim 2 wherein: a group of connecting rods (180) are arranged below the first pressurizing plate (160), the lower ends of the connecting rods (180) penetrate through the top of the first pressurizing cavity (190) and extend into the first pressurizing cavity (190), sealing rings are arranged at the penetrating positions of the connecting rods, and a group of second pressurizing plates (170) are arranged at the bottoms of the connecting rods (180).
4. A hydraulic ram piston rod assembly as in claim 3 wherein: the radius length of the first pressurizing plate (160) is the same as that of the second pressurizing plate (170), the radius length of the first pressurizing plate (160) is the same as that of the extruding plate (150), and two groups of identical reset springs (200) are arranged on the left side and the right side below the second pressurizing plate (170).
5. A hydraulic ram piston rod assembly as defined in claim 4 wherein: the two groups of first pressurizing cavities (190) and the two groups of second pressurizing cavities (220) are in through connection through two groups of communicating cavities (210), the two groups of communicating cavities (210) are identical in size and are in mirror symmetry, and the two groups of communicating cavities (210) are of L-shaped structures.
6. A hydraulic ram piston rod assembly as defined in claim 5 wherein: the bottom of the reset spring (200) is fixed with the bottom of the first pressurizing cavity (190), the top of the reset spring (200) is contacted with the bottom of the second pressurizing plate (170), and the height of the reset spring (200) is smaller than the inner height of the second pressurizing cavity (220).
7. A hydraulic ram piston rod assembly as defined in claim 1 wherein: the sealing air bag (140) is of an annular structure, a through hole is formed in the center of the sealing air bag (140), and the radius length of the through hole is larger than that of the hydraulic rod (110).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323069411.XU CN221033435U (en) | 2023-11-14 | 2023-11-14 | Hydraulic cylinder piston rod assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323069411.XU CN221033435U (en) | 2023-11-14 | 2023-11-14 | Hydraulic cylinder piston rod assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221033435U true CN221033435U (en) | 2024-05-28 |
Family
ID=91166322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323069411.XU Active CN221033435U (en) | 2023-11-14 | 2023-11-14 | Hydraulic cylinder piston rod assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221033435U (en) |
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2023
- 2023-11-14 CN CN202323069411.XU patent/CN221033435U/en active Active
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