CN219013051U - Novel wear-resisting hydro-cylinder - Google Patents
Novel wear-resisting hydro-cylinder Download PDFInfo
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- CN219013051U CN219013051U CN202223546430.2U CN202223546430U CN219013051U CN 219013051 U CN219013051 U CN 219013051U CN 202223546430 U CN202223546430 U CN 202223546430U CN 219013051 U CN219013051 U CN 219013051U
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- cylinder
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- 238000007789 sealing Methods 0.000 claims abstract description 39
- 239000012535 impurity Substances 0.000 claims description 34
- 239000010720 hydraulic oil Substances 0.000 claims description 19
- 238000004140 cleaning Methods 0.000 claims description 17
- 239000003921 oil Substances 0.000 claims description 16
- 238000001914 filtration Methods 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 6
- 239000004809 Teflon Substances 0.000 claims description 4
- 229920006362 Teflon® Polymers 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 230000033001 locomotion Effects 0.000 description 6
- 230000006378 damage Effects 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 230000002035 prolonged effect Effects 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 230000010405 clearance mechanism Effects 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
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Abstract
The utility model discloses a novel wear-resistant oil cylinder, which relates to the technical field of oil cylinders and comprises a cylinder body and a sealing mechanism, wherein oil ports are arranged at the upper end and the lower end of the side wall of the cylinder body, a piston is connected to the inner wall of the cylinder body in a sliding manner, a stop block is arranged at the lower end of the piston, a piston rod is vertically arranged at the center of the upper end of the piston, and the upper end of the piston rod passes through the top of the cylinder body and is arranged outside the cylinder body.
Description
Technical Field
The utility model relates to the technical field of oil cylinders, in particular to a novel wear-resistant oil cylinder.
Background
The hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion). The device has simple structure and reliable operation. When it is used to realize reciprocating motion, it can eliminate speed reducer, and has no transmission clearance and smooth motion, so that it can be widely used in hydraulic systems of various machines.
At present, the oil cylinder, the piston and the cylinder barrel are all made of metal materials, the requirements on the smoothness of the inner wall of the cylinder barrel are high, and if impurities enter the cylinder barrel, the inner wall of the cylinder barrel is easily scratched after a long time, so that the oil cylinder can not be used due to liquid leakage.
In order to solve the problems, an improved novel wear-resistant oil cylinder is designed.
Disclosure of Invention
The utility model aims to provide a novel wear-resistant oil cylinder so as to solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a novel wear-resisting hydro-cylinder, includes cylinder body and sealing mechanism, the hydraulic fluid port is all installed to the lateral wall upper end and the lower extreme of cylinder body, sliding connection has the piston on the inner wall of cylinder body, the dog that is used for preventing the hydraulic fluid port shutoff of piston to cylinder body lateral wall lower extreme is installed to the lower extreme of piston, the piston rod is vertically installed to piston upper end central point put, the top setting that the cylinder body was passed to the upper end of piston rod is in the outside of cylinder body, the spraying has the special fluorine dragon coating that is used for improving the wearability and the lubricity of cylinder body inner wall on the inner wall of cylinder body.
The sealing mechanism is arranged at the top of the cylinder body and is used for sealing a gap between the piston rod and the cylinder body and collecting and cleaning missing impurities on the side wall of the piston rod.
As a further scheme of the utility model: the sealing mechanism comprises a fixed cylinder, the fixed cylinder is arranged at the center of the upper end of the cylinder body, the fixed cylinder is sleeved on the side wall of the piston rod, a first sealing ring used for preventing dust from entering the cylinder body is arranged on the inner wall of the fixed cylinder, and the inner wall of the first sealing ring is tightly attached to the side wall of the piston rod.
As still further aspects of the utility model: the top of cylinder body is installed and is used for carrying out the filtration screen panel of collecting to the impurity that misses on the piston rod lateral wall, the filtration screen panel cover is on the lateral wall of piston rod, install the clearance ring that is used for removing the impurity clearance that the adhesion was gone up to the piston rod lateral wall on the lateral wall that the filtration screen panel is close to the piston rod and drops, the inner wall of clearance ring is hugged closely on the lateral wall of piston rod.
As still further aspects of the utility model: be provided with the clearance mechanism that is used for reducing frictional force and collects the clearance to the impurity in the hydraulic oil on the inner wall of cylinder body, clearance mechanism includes a plurality of solid fixed ring, gu fixed ring horizontal installation is on the inner wall of cylinder body, and the interval between two adjacent solid fixed rings is less than the height of piston, install the second sealing ring on the inner wall of solid fixed ring, the one end that gu fixed ring was kept away from to the second sealing ring is hugged closely on the lateral wall of piston.
As still further aspects of the utility model: and a support ring is arranged on the inner wall of the cylinder body between two adjacent fixed rings, and a filter screen frame for filtering and cleaning impurities in hydraulic oil is arranged at one end of the support ring, which is close to the center of the cylinder body.
As still further aspects of the utility model: the upper end and the lower end of the inner wall of the filter screen frame are respectively provided with a baffle ring which is tightly attached to the side wall of the piston.
As still further aspects of the utility model: and the side wall of the cylinder body is provided with a reinforcing rib for improving the structural strength of the cylinder body.
Compared with the prior art, the utility model has the beneficial effects that:
1. compared with the prior art, the wear resistance and the lubricity of the inner wall of the cylinder body are improved through the Teflon coating, the piston can slide along the inner wall of the cylinder body conveniently, the service lives of the cylinder body and the piston are prolonged, meanwhile, dust and impurities adhered to the side wall of the piston rod are scraped and cleaned by the first sealing ring, the impurities missing from the first sealing ring can be scraped again in hydraulic oil through the cleaning ring, the impurities fall into the filter screen, the impurities are prevented from entering the side wall of the piston, the damage to the cylinder body and the piston is avoided, and the service lives of the cylinder body and the piston are further prolonged.
2. Compared with the prior art, the distance between two adjacent fixed rings is smaller than the height of the piston, so that the piston is only in contact with the second sealing ring on the fixed ring, the friction force of movement of the piston is reduced, the movement of the piston is facilitated, meanwhile, when the piston moves through the fixed ring, hydraulic oil can be flushed between the filter screen frame and the supporting ring, impurities in the hydraulic oil can enter between the filter screen frame and the supporting ring, the hydraulic oil is filtered through the filter screen frame, damage to the piston and the second sealing ring caused by impurities is avoided, and the service lives of the piston and the second sealing ring are prolonged.
Drawings
Fig. 1 is a schematic three-dimensional structure of the present utility model.
Fig. 2 is a cross-sectional view of example 1 of the present utility model.
Fig. 3 is a cross-sectional view of example 2 of the present utility model.
Fig. 4 is an enlarged schematic view of the structure at a of fig. 3 in the present utility model.
Wherein: 1. a cylinder; 2. an oil port; 3. a stop block; 4. a piston; 5. a teflon coating; 6. cleaning the ring; 7. filtering the net cover; 8. a first seal ring; 9. a piston rod; 10. a fixed cylinder; 11. a fixing ring; 12. a second seal ring; 13. a filter screen frame; 14. a support ring; 15. a baffle ring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.
Example 1
Referring to fig. 1 and 2, in the embodiment of the utility model, a novel wear-resistant oil cylinder comprises a cylinder body 1 and a sealing mechanism, wherein oil ports 2 are respectively arranged at the upper end and the lower end of the side wall of the cylinder body 1, a piston 4 is slidably connected to the inner wall of the cylinder body 1, a stop block 3 for preventing the piston 4 from blocking the oil ports 2 at the lower end of the side wall of the cylinder body 1 is arranged at the lower end of the piston 4, a piston rod 9 is vertically arranged at the central position of the upper end of the piston 4, the upper end of the piston rod 9 passes through the top of the cylinder body 1 and is arranged outside the cylinder body 1, and a teflon coating 5 for improving the wear resistance and the lubrication degree of the inner wall of the cylinder body 1 is sprayed on the inner wall of the cylinder body 1.
The sealing mechanism is arranged at the top of the cylinder body 1 and is used for sealing a gap between the piston rod 9 and the cylinder body 1 and collecting and cleaning missing impurities on the side wall of the piston rod 9.
The sealing mechanism comprises a fixed cylinder 10, the fixed cylinder 10 is arranged at the center of the upper end of the cylinder body 1, the fixed cylinder 10 is sleeved on the side wall of the piston rod 9, a first sealing ring 8 for preventing dust from entering the cylinder body 1 is arranged on the inner wall of the fixed cylinder 10, and the inner wall of the first sealing ring 8 is tightly attached to the side wall of the piston rod 9.
The top of cylinder body 1 is installed and is used for carrying out the filtration screen panel 7 of collecting to the impurity that leaks on the lateral wall of piston rod 9, filtration screen panel 7 cover is on the lateral wall of piston rod 9, install on the lateral wall that filtration screen panel 7 is close to piston rod 9 and be used for the clearance ring 6 that drops with the impurity clearance of adhesion on the lateral wall of piston rod 9, the inner wall of clearance ring 6 is hugged closely on the lateral wall of piston rod 9.
When piston rod 9 shrink, first sealing ring 8 strikes off the clearance to the dust and the impurity of adhesion on the piston rod 9 lateral wall, and the impurity of omission can enter into the inside of cylinder body 1 along with piston rod 9 on the piston rod 9 lateral wall, and clearance ring 6 strikes off the impurity of adhesion again on the piston rod 9 lateral wall and drops, and the impurity can be deposited in the inside of filtering the screen panel 7.
Compared with the prior art, improve the wearability and the lubricity of cylinder body 1 inner wall through special fluorine dragon coating 5, be convenient for piston 4 slides along the inner wall of cylinder body 1, improve the life of cylinder body 1 and piston 4, utilize first sealing ring 8 to strike off the clearance to dust and the impurity of piston rod 9 lateral wall adhesion simultaneously, to the impurity that first sealing ring 8 was missed, can strike off again through clearance ring 6 in the hydraulic oil, and make the impurity drop in the inside of filtering screen panel 7, thereby avoid the impurity to enter into on the lateral wall of piston 4, avoid cylinder body 1 and piston 4 damage, further improve the life of cylinder body 1 and piston 4.
Example 2
Referring to fig. 3 and 4, this embodiment is different from embodiment 1 in that a cleaning mechanism for reducing friction force and collecting and cleaning impurities in hydraulic oil is disposed on an inner wall of the cylinder 1, the cleaning mechanism includes a plurality of fixing rings 11, the fixing rings 11 are horizontally mounted on the inner wall of the cylinder 1, a distance between two adjacent fixing rings 11 is smaller than a height of the piston 4, a second sealing ring 12 is mounted on the inner wall of the fixing rings 11, and one end of the second sealing ring 12 far away from the fixing rings 11 is tightly attached to a side wall of the piston 4.
The inner wall of the cylinder body 1 between two adjacent fixing rings 11 is provided with a supporting ring 14, one end of the supporting ring 14, which is close to the center position of the cylinder body 1, is provided with a filter screen frame 13 for filtering and cleaning impurities in hydraulic oil, and the upper end and the lower end of the inner wall of the filter screen frame 13 are respectively provided with a baffle ring 15 which is tightly attached to the side wall of the piston 4.
During the use, carry the inside of cylinder body 1 through hydraulic oil port 2 at hydraulic oil, under hydraulic pressure's effect, piston 4 begins to move, because the interval between two adjacent solid fixed rings 11 is less than the height of piston 4, therefore piston 4 only contacts with the second sealing ring 12 on the solid fixed ring 11, the frictional force that piston 4 removed has been reduced, when piston 4 moved gu fixed ring 11, hydraulic oil can be washed between filter screen frame 13 and the support ring 14, and then make the impurity in the hydraulic oil enter into between filter screen frame 13 and the support ring 14, filter hydraulic oil through filter screen frame 13, thereby avoid the impurity to cause the destruction to piston 4 and second sealing ring 12, improve the life of piston 4 and second sealing ring 12.
Compared with the prior art, because the interval between two adjacent fixed rings 11 is less than the height of piston 4, consequently piston 4 only contacts with the second sealing ring 12 on the fixed ring 11, the frictional force that piston 4 removed has been reduced, the removal of piston 4 of being convenient for, simultaneously when piston 4 moved through fixed ring 11, hydraulic oil can be washed between filter screen frame 13 and the support ring 14, and then make impurity in the hydraulic oil enter into between filter screen frame 13 and the support ring 14, filter hydraulic oil through filter screen frame 13, thereby avoid impurity to cause the destruction to piston 4 and second sealing ring 12, improve the life of piston 4 and second sealing ring 12.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.
Claims (7)
1. The utility model provides a novel wear-resisting hydro-cylinder, includes cylinder body (1) and sealing mechanism, hydraulic fluid port (2) are all installed to the lateral wall upper end and the lower extreme of cylinder body (1), sliding connection has piston (4) on the inner wall of cylinder body (1), dog (3) that are used for preventing piston (4) to the hydraulic fluid port (2) shutoff of cylinder body (1) lateral wall lower extreme are installed to the lower extreme of piston (4), piston rod (9) are vertically installed to piston (4) upper end central point put, the top that top passed cylinder body (1) of piston rod (9) sets up in the outside of cylinder body (1), a serial communication port, the spraying has teflon coating (5) that are used for improving the wearability and the lubricity of cylinder body (1) inner wall on the inner wall of cylinder body (1).
The sealing mechanism is arranged at the top of the cylinder body (1) and is used for sealing a gap between the piston rod (9) and the cylinder body (1) and collecting and cleaning the missed impurities on the side wall of the piston rod (9).
2. The novel wear-resistant oil cylinder according to claim 1, wherein the sealing mechanism comprises a fixed cylinder (10), the fixed cylinder (10) is arranged at the center of the upper end of the cylinder body (1), the fixed cylinder (10) is sleeved on the side wall of the piston rod (9), a first sealing ring (8) for preventing dust from entering the cylinder body (1) is arranged on the inner wall of the fixed cylinder (10), and the inner wall of the first sealing ring (8) is tightly attached to the side wall of the piston rod (9).
3. The novel wear-resistant oil cylinder according to claim 1, wherein a filter screen (7) for collecting missed impurities on the side wall of the piston rod (9) is arranged at the top of the cylinder body (1), the filter screen (7) is sleeved on the side wall of the piston rod (9), a cleaning ring (6) for cleaning the impurities adhered to the side wall of the piston rod (9) and dropping is arranged on the side wall, close to the piston rod (9), of the filter screen (7), and the inner wall of the cleaning ring (6) is tightly attached to the side wall of the piston rod (9).
4. The novel wear-resistant oil cylinder according to claim 1, wherein a cleaning mechanism for reducing friction force and collecting and cleaning impurities in hydraulic oil is arranged on the inner wall of the cylinder body (1), the cleaning mechanism comprises a plurality of fixing rings (11), the fixing rings (11) are horizontally arranged on the inner wall of the cylinder body (1), the distance between two adjacent fixing rings (11) is smaller than the height of the piston (4), a second sealing ring (12) is arranged on the inner wall of the fixing rings (11), and one end, far away from the fixing rings (11), of the second sealing ring (12) is tightly attached to the side wall of the piston (4).
5. The novel wear-resistant oil cylinder according to claim 4, wherein a supporting ring (14) is arranged on the inner wall of the cylinder body (1) between two adjacent fixing rings (11), and a filter screen frame (13) for filtering and cleaning impurities in hydraulic oil is arranged at one end, close to the center position of the cylinder body (1), of the supporting ring (14).
6. The novel wear-resistant oil cylinder according to claim 5, wherein baffle rings (15) which are tightly attached to the side wall of the piston (4) are arranged at the upper end and the lower end of the inner wall of the filter screen frame (13).
7. The novel wear-resistant oil cylinder according to claim 1, wherein a reinforcing rib for improving the structural strength of the cylinder body (1) is mounted on the side wall of the cylinder body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223546430.2U CN219013051U (en) | 2022-12-30 | 2022-12-30 | Novel wear-resisting hydro-cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223546430.2U CN219013051U (en) | 2022-12-30 | 2022-12-30 | Novel wear-resisting hydro-cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219013051U true CN219013051U (en) | 2023-05-12 |
Family
ID=86243684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223546430.2U Active CN219013051U (en) | 2022-12-30 | 2022-12-30 | Novel wear-resisting hydro-cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219013051U (en) |
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2022
- 2022-12-30 CN CN202223546430.2U patent/CN219013051U/en active Active
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