CN220015693U - Leakage-proof device for hydraulic oil cylinder - Google Patents
Leakage-proof device for hydraulic oil cylinder Download PDFInfo
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- CN220015693U CN220015693U CN202320929527.7U CN202320929527U CN220015693U CN 220015693 U CN220015693 U CN 220015693U CN 202320929527 U CN202320929527 U CN 202320929527U CN 220015693 U CN220015693 U CN 220015693U
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- protection
- fixedly arranged
- hydraulic cylinder
- leak
- cylinder barrel
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- 239000010720 hydraulic oil Substances 0.000 title description 3
- 238000007789 sealing Methods 0.000 claims abstract description 43
- 238000012544 monitoring process Methods 0.000 claims abstract description 32
- 239000000523 sample Substances 0.000 claims abstract description 18
- 229920000742 Cotton Polymers 0.000 claims description 5
- 230000003139 buffering effect Effects 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 abstract description 10
- 230000002265 prevention Effects 0.000 abstract description 6
- 230000002159 abnormal effect Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
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Abstract
The utility model belongs to the technical field of hydraulic cylinders, and particularly relates to a leakage prevention device for a hydraulic cylinder, which comprises a cylinder barrel, wherein a leakage prevention device is arranged on the outer surface of the cylinder barrel, the leakage prevention device comprises a protection unit and a monitoring unit, the protection unit comprises a protection sleeve, a bottom cover, a protection ring, a sealing plate and a second sealing ring, the monitoring unit comprises a column groove, a monitoring probe, a connecting pipe and a pressure gauge, and the protection unit is connected with the monitoring unit through the sealing plate. This a leak protection device for hydraulic cylinder through setting up protective sheath and bottom, can carry out the omnidirectional protection to hydraulic cylinder, avoids hydraulic cylinder to receive the damage and appears leaking the condition, if the condition that leaks appears, also can not appear a large amount of greasy dirt and cause the influence, through setting up the post groove, set up monitoring probe in post inslot portion, monitoring probe passes through the connecting pipe and connects whether the pressure value that the manometer can real-time supervision hydraulic cylinder is in normal range, and the abnormal situation appears and can in time discover.
Description
Technical Field
The utility model relates to the technical field of hydraulic cylinders, in particular to a leakage-proof device for a hydraulic cylinder.
Background
The hydraulic cylinder is a hydraulic actuator which 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.
After the existing hydraulic cylinder is used for a long time, the sealing ring inside is contacted with the hydraulic cylinder for a long time, so that the situation of oil leakage caused by abrasion of the sealing ring is easy to occur, and a large amount of oil stains appear to influence the use of the hydraulic cylinder.
The utility model discloses a novel hydraulic cylinder leakage prevention device as disclosed in Chinese patent CN216241582U, which comprises a hydraulic cylinder body, wherein an oil inlet is arranged on the side wall of the hydraulic cylinder body and close to the bottom of the hydraulic cylinder body, an oil outlet is arranged above the oil inlet and on the side wall of the hydraulic cylinder body, unidirectional leakage prevention components are connected inside the oil inlet and the oil outlet, each unidirectional leakage prevention component comprises an oil pipe connector and a stop sleeve, a stop plate is arranged inside the stop sleeve, and a guide rod is sleeved at the center of the stop plate.
But this novel hydraulic cylinder leak protection device lacks the whole protection leak protection device to hydraulic cylinder, still lacks hydraulic cylinder pressure monitoring, can in time perceive and maintain when leaking if appearing, and protection device can protect hydraulic cylinder not receive the damage, reduces the probability of oil leak.
To this end, we propose a leak-proof device for a hydraulic cylinder to solve the above-mentioned problems.
Disclosure of Invention
The present utility model is directed to a leak-proof device for a hydraulic cylinder, which solves the above-mentioned problems of the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the leakage-proof device for the hydraulic oil cylinder comprises a cylinder barrel, wherein a leakage-proof device is arranged on the outer surface of the cylinder barrel;
the leakage-proof device comprises a protection unit and a monitoring unit, wherein the protection unit comprises a protection sleeve, a bottom cover, a protection ring, a sealing plate and a second sealing ring, the monitoring unit comprises a column groove, a monitoring probe, a connecting pipe and a pressure gauge, and the protection unit is connected with the monitoring unit through the sealing plate;
the protection sleeve is fixedly arranged on the outer surface of the cylinder barrel, the bottom cover is fixedly arranged on the bottom surface of the protection sleeve, the protection ring is fixedly arranged on the lower part of the outer surface of the protection sleeve, the sealing plate is fixedly arranged on the upper surface of the protection sleeve, and the second sealing ring is fixedly arranged on the upper surface of the sealing plate.
Preferably, the column groove is formed in the upper surface of the sealing plate, the monitoring probe is arranged in the column groove, the connecting pipe is fixedly arranged on the upper surface of the monitoring probe, and the pressure gauge is fixedly arranged on one side surface of one end of the connecting pipe.
Preferably, the bottom connecting column is fixedly arranged on the bottom surface of the cylinder barrel, and a first round hole penetrates through the side surface of the bottom connecting column.
Preferably, the bottom surface fixed mounting has the buffering cotton in the cylinder, cylinder inner wall slidable mounting has two pistons, two the piston groove has been seted up to the piston surface, piston upper surface fixed mounting has the piston rod, surface fixed mounting has the connecting block on the piston rod, surface fixed mounting has the top spliced pole on the connecting block, the top spliced pole side runs through there is the second round hole, cylinder inner wall fixed mounting has the uide bushing, uide bushing inner wall fixed mounting has the dust ring.
Preferably, the upper surface of the cylinder barrel is fixedly provided with a first sealing ring, and the inner wall of the first sealing ring is in sliding connection with the outer surface of the piston rod.
Preferably, the inner wall of the second sealing ring is in sliding connection with the outer surface of the piston rod.
Preferably, the protection ring is fixedly arranged on the outer surface of the joint of the protection sleeve and the bottom cover.
Compared with the prior art, the utility model has the beneficial effects that:
1. this a leak protection device for hydraulic cylinder through setting up protective sheath and bottom, can carry out the omnidirectional protection to hydraulic cylinder, avoids hydraulic cylinder to receive the damage and appears the condition that leaks, if the condition that leaks appears, also can not appear a large amount of greasy dirt and cause the influence.
2. This a leak protection device for hydraulic cylinder through setting up the post groove, sets up monitoring probe in post inslot portion, and monitoring probe passes through the connecting pipe and connects the manometer and whether can the real-time supervision hydraulic cylinder's pressure value be in normal within range, and the abnormal conditions appears and can in time discover and maintain hydraulic cylinder.
Drawings
FIG. 1 is a schematic diagram of a front view of the present utility model;
FIG. 2 is a schematic view of a seal plate according to the present utility model;
FIG. 3 is a schematic diagram of a hydraulic cylinder according to the present utility model;
fig. 4 is a schematic view of the semi-sectional structure of the present utility model.
In the figure: 1. a cylinder; 101. a bottom connecting column; 102. a first round hole; 2. a piston; 201. a piston groove; 3. buffering cotton; 4. a piston rod; 401. a connecting block; 402. a top connecting column; 403. a second round hole; 5. a guide sleeve; 6. a dust ring; 7. a first seal ring; 8. a protective sleeve; 801. a bottom cover; 802. a protective ring; 803. a sealing plate; 804. a column groove; 805. monitoring a probe; 806. a connecting pipe; 807. a pressure gauge; 808. and a second seal 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.
Referring to fig. 1-4, the present utility model provides a technical solution:
embodiment one: the leakage-proof device for the hydraulic cylinder comprises a cylinder barrel 1, wherein a leakage-proof device is arranged on the outer surface of the cylinder barrel 1;
the leakage-proof device comprises a protection unit and a monitoring unit, wherein the protection unit comprises a protection sleeve 8, a bottom cover 801, a protection ring 802, a sealing plate 803 and a second sealing ring 808, the monitoring unit comprises a column groove 804, a monitoring probe 805, a connecting pipe 806 and a pressure gauge 807, and the protection unit is connected with the monitoring unit through the sealing plate 803;
the protective sheath 8 fixed mounting is in cylinder 1 surface, bottom 801 fixed mounting is in protective sheath 8 bottom surface, protection ring 802 fixed mounting is in protective sheath 8 surface lower part, protection ring 802 fixed mounting is in protective sheath 8 and bottom 801 junction surface, closing plate 803 fixed mounting is in protective sheath 8 upper surface, through setting up protective sheath 8 and bottom 801, can carry out the omnidirectional protection to hydraulic cylinder, avoid hydraulic cylinder to receive the damage and appear leaking the condition, also can not appear a large amount of greasy dirt to cause the influence if the condition that leaks appears, second sealing ring 808 fixed mounting is in closing plate 803 upper surface, second sealing ring 808 inner wall and piston rod 4 surface sliding connection, cylinder 1 upper surface fixed mounting has first sealing ring 7, first sealing ring 7 inner wall and piston rod 4 surface sliding connection, cylinder 1 bottom surface fixed mounting has bottom spliced pole 101, bottom spliced pole 101 side has run through first round hole 102.
The protection sleeve 8 and the bottom cover 801 and the sealing plate 803 which are fixedly arranged on the bottom surface of the protection sleeve 8 realize omnibearing protection on the cylinder barrel 1, can effectively prevent the cylinder barrel 1 from being damaged caused by collision, and the sealing plate 803 performs upper sealing treatment on the cylinder barrel 1, and the first sealing ring 7 fixedly arranged on the upper surface of the cylinder barrel 1 and the second sealing ring 808 fixedly arranged on the upper surface of the sealing plate 803 perform two-layer sealing protection to avoid leakage.
Embodiment two: based on the first embodiment, the column groove 804 is formed on the upper surface of the sealing plate 803, the monitoring probe 805 is disposed inside the column groove 804, the connecting pipe 806 is fixedly mounted on the upper surface of the monitoring probe 805, the pressure gauge 807 is fixedly mounted on one end side surface of the connecting pipe 806, the monitoring probe 805 is disposed inside the column groove 804, the monitoring probe 805 is connected with the pressure gauge 807 through the connecting pipe 806, whether the pressure value of the hydraulic cylinder is in a normal range or not can be monitored in real time, abnormal conditions can be timely found and the hydraulic cylinder can be maintained, the buffer cotton 3 is fixedly mounted on the inner bottom surface of the cylinder 1, two pistons 2 are slidingly mounted on the inner wall of the cylinder 1, the piston grooves 201 are formed on the outer surfaces of the two pistons 2, the piston rod 4 is fixedly mounted on the upper surface of the piston 2, the connecting block 401 is fixedly mounted on the upper surface of the connecting block 401, the top connecting column 402 is fixedly mounted on the side surface of the top connecting column 402, the second round hole 403 is penetrated, the inner wall of the cylinder 1 is fixedly mounted with the guide sleeve 5, and the dust ring 6 is fixedly mounted on the inner wall of the guide sleeve 5.
The cylinder 1 carries out normal motion, and buffer cotton 3 carries out the striking buffering to piston 2, and piston rod 4 and first sealing ring 7 and second sealing ring 808 inner wall sliding connection effectively avoid the condition of oil leak, and manometer 807 shows the pressure monitoring data of monitoring probe 805 to cylinder 1, observes whether the numerical value is in normal scope in real time.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
Claims (7)
1. The utility model provides a leak protection device for hydraulic cylinder, includes cylinder (1), its characterized in that: the outer surface of the cylinder barrel (1) is provided with a leakage-proof device;
the leakage-proof device comprises a protection unit and a monitoring unit, wherein the protection unit comprises a protection sleeve (8), a bottom cover (801), a protection ring (802), a sealing plate (803) and a second sealing ring (808), the monitoring unit comprises a column groove (804), a monitoring probe (805), a connecting pipe (806) and a pressure gauge (807), and the protection unit is connected with the monitoring unit through the sealing plate (803);
the protection sleeve (8) is fixedly arranged on the outer surface of the cylinder barrel (1), the bottom cover (801) is fixedly arranged on the bottom surface of the protection sleeve (8), the protection ring (802) is fixedly arranged on the lower portion of the outer surface of the protection sleeve (8), the sealing plate (803) is fixedly arranged on the upper surface of the protection sleeve (8), and the second sealing ring (808) is fixedly arranged on the upper surface of the sealing plate (803).
2. A leak-proof apparatus for a hydraulic ram as defined in claim 1, wherein: the column groove (804) is formed in the upper surface of the sealing plate (803), the monitoring probe (805) is arranged inside the column groove (804), the connecting pipe (806) is fixedly arranged on the upper surface of the monitoring probe (805), and the pressure gauge (807) is fixedly arranged on one end side surface of the connecting pipe (806).
3. A leak-proof apparatus for a hydraulic ram as defined in claim 1, wherein: the bottom connecting column (101) is fixedly arranged on the bottom surface of the cylinder barrel (1), and a first round hole (102) penetrates through the side surface of the bottom connecting column (101).
4. A leak-proof apparatus for a hydraulic ram as defined in claim 1, wherein: the cylinder barrel (1) inner bottom surface fixed mounting has buffering cotton (3), cylinder barrel (1) inner wall slidable mounting has two pistons (2), two piston groove (201) have been seted up to piston (2) surface, fixed surface installs piston rod (4) on piston (2), fixed surface installs connecting block (401) on piston rod (4), fixed surface installs top spliced pole (402) on connecting block (401), top spliced pole (402) side runs through there is second round hole (403), cylinder barrel (1) inner wall fixed mounting has uide bushing (5), uide bushing (5) inner wall fixed mounting has dust ring (6).
5. A leak-proof apparatus for a hydraulic ram as defined in claim 1, wherein: the cylinder barrel (1) is fixedly provided with a first sealing ring (7) on the upper surface, and the inner wall of the first sealing ring (7) is in sliding connection with the outer surface of the piston rod (4).
6. A leak-proof apparatus for a hydraulic ram as defined in claim 1, wherein: the inner wall of the second sealing ring (808) is in sliding connection with the outer surface of the piston rod (4).
7. A leak-proof apparatus for a hydraulic ram as defined in claim 1, wherein: the protection ring (802) is fixedly arranged on the outer surface of the joint of the protection sleeve (8) and the bottom cover (801).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320929527.7U CN220015693U (en) | 2023-04-23 | 2023-04-23 | Leakage-proof device for hydraulic oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320929527.7U CN220015693U (en) | 2023-04-23 | 2023-04-23 | Leakage-proof device for hydraulic oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220015693U true CN220015693U (en) | 2023-11-14 |
Family
ID=88677940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320929527.7U Active CN220015693U (en) | 2023-04-23 | 2023-04-23 | Leakage-proof device for hydraulic oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220015693U (en) |
-
2023
- 2023-04-23 CN CN202320929527.7U patent/CN220015693U/en active Active
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