CN216554717U - Anti-leakage hydraulic oil cylinder - Google Patents
Anti-leakage hydraulic oil cylinder Download PDFInfo
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- CN216554717U CN216554717U CN202123402931.9U CN202123402931U CN216554717U CN 216554717 U CN216554717 U CN 216554717U CN 202123402931 U CN202123402931 U CN 202123402931U CN 216554717 U CN216554717 U CN 216554717U
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Abstract
The utility model is suitable for the technical field of hydraulic oil cylinders, and provides a leakage-proof hydraulic oil cylinder which comprises a hydraulic cylinder body, wherein a rear end cover is arranged on the left side of the hydraulic cylinder body, a regulating bolt is arranged at the joint of the rear end cover and the hydraulic cylinder body, an oil inlet valve is arranged at the left lower end of the hydraulic cylinder body, an oil drain valve is arranged at the right lower end of the hydraulic cylinder body, a collecting box fixedly connected with the hydraulic cylinder body is arranged at the left end of the oil drain valve, and an oil stop plug is arranged at the lower end of the collecting box; the hydraulic cylinder comprises a hydraulic cylinder body, a movable seat, a piston block, a piston rod and a hydraulic oil cylinder, wherein the movable seat is arranged on the left side inside the hydraulic cylinder body, the upper side and the lower side of the movable seat are both provided with the piston blocks, and the left end of the piston rod is provided with an installation rod connected with the movable seat; the observation window, its setting is in the upper end of hydraulic cylinder body, hydraulic cylinder body's the right-hand coupling assembling that is provided with. This prevent leaking hydraulic cylinder is favorable to carrying out stable connection installation, avoids leaking, can collect the oil waste, and has improved device's practical function.
Description
Technical Field
The utility model belongs to the technical field of hydraulic oil cylinders, and particularly relates to a leakage-proof hydraulic oil cylinder.
Background
The application of a hydraulic system in the field of engineering machinery is increasingly widespread, the hydraulic system takes hydraulic oil as a working medium, the most important of the hydraulic system is a hydraulic oil cylinder, but most of the existing devices have some defects.
Chinese patent publication No. CN104373415B discloses a hydraulic cylinder, which is characterized in that, includes a cylinder body and a plunger rod, the plunger rod set up in the accommodation space of cylinder body, the cylinder body have a mouth of pipe and one with the bottom that the mouth of pipe corresponds, the cylinder body bottom with form an accommodation space between the cylinder body inner wall, the cylinder body inner wall is along the axial of cylinder body is the sectional type design and divides into a first cylinder body and a second cylinder body, first cylinder body is located the second cylinder body with between the bottom the inner wall of second cylinder body sets gradually a copper rete and a plastic film layer on the surface.
The above prior art solutions have the following drawbacks: the connection installation of stable is not convenient for carry out, is convenient for collect the oil waste, and the practical function is not good, therefore we propose one kind and prevent leaking hydraulic cylinder to in the solution above-mentioned problem of proposing.
SUMMERY OF THE UTILITY MODEL
The utility model provides a leakage-proof hydraulic oil cylinder, and aims to solve the problems that stable connection and installation are inconvenient to carry out, oil waste is convenient to collect, and the practical effect is poor.
The utility model is realized in such a way that a leakage-proof hydraulic oil cylinder comprises a hydraulic cylinder body, wherein a rear end cover is arranged on the left side of the hydraulic cylinder body, an adjusting bolt is arranged at the joint of the rear end cover and the hydraulic cylinder body, an oil inlet valve is arranged at the left lower end of the hydraulic cylinder body, an oil drain valve is arranged at the right lower end of the hydraulic cylinder body, a collecting box fixedly connected with the hydraulic cylinder body is arranged at the left end of the oil drain valve, and an oil stop plug is arranged at the lower end of the collecting box;
the hydraulic cylinder comprises a hydraulic cylinder body, a movable seat, a piston block, a piston rod, a mounting rod and a first sealing element, wherein the movable seat is arranged on the left side inside the hydraulic cylinder body, the upper side and the lower side of the movable seat are both provided with the piston blocks, the right side of the movable seat is provided with the piston rod, the left end of the piston rod is provided with the mounting rod connected with the movable seat, and the outer side of the mounting rod is provided with the first sealing element connected with the piston rod;
the observation window, its setting is in the upper end of hydraulic cylinder body, the right-hand coupling assembling that is provided with of hydraulic cylinder body, and coupling assembling's right side middle part is provided with the dust blocking piece that is connected with the piston rod.
Preferably, the rear end cover is connected with the hydraulic cylinder body in a clamping mode, the longitudinal section of the rear end cover is in a convex shape, and the hydraulic cylinder body and the rear end cover are connected with the adjusting bolt in a threaded mode.
Preferably, the hydraulic cylinder body and the collecting box form a communicating structure through an oil drain valve, and the collecting box and the oil stop plug are connected in a threaded mode.
Preferably, the sliding seat is connected with the piston block in a bonding mode, the outer surface of the piston block is attached to the inner wall of the hydraulic cylinder body, the sliding seat is connected with the installation rod in a threaded mode, and the installation rod and the piston rod form an integrated structure through welding.
Preferably, the connecting assembly further comprises a front end cover, a limiting spring, a limiting bump, a second sealing element and a third sealing element;
a front end cover disposed on the right side of the hydraulic cylinder body;
the limiting spring is arranged on the left side inside the front end cover;
the limiting bump is arranged at the inner end of the limiting spring and is connected with the hydraulic cylinder body;
a second seal member provided inside a left end of the front end cover;
and the third sealing element is arranged on the outer side of the middle part of the left end of the front end cover and is connected with the hydraulic cylinder body.
Preferably, the front end cover is connected with the hydraulic cylinder body in a laminating mode through a second sealing element and a third sealing element respectively, the limiting lug forms an elastic telescopic structure on the inner side of the front end cover through a limiting spring, and the limiting lug is connected with the hydraulic cylinder body in a clamping mode.
Compared with the prior art, the utility model has the beneficial effects that: this prevent leaking hydraulic cylinder is favorable to carrying out stable connection installation, avoids leaking, can collect the oil waste, and has improved device's practical function.
1. Set up spacing lug and constitute elastic telescopic structure through spacing spring in the inboard of front end housing, and spacing lug is connected with the mode that hydraulic cylinder body adopted the block, is convenient for make hydraulic cylinder body and coupling assembling carry out the block and be connected, and the cooperation front end housing adopts the mode of laminating to be connected with hydraulic cylinder body through second sealing member and third sealing member respectively, improves the effect of preventing leaking, the effectual leakproofness and the connection stability that has improved.
2. Set up hydraulic cylinder body and constitute the connectivity through bleeder valve and collecting box, and the collecting box is connected with the mode that only the oil plug adopted the screw thread, can unify the collection to the oil waste after the use, and the cooperation sliding seat adopts the threaded mode to be connected with the installation pole, and the installation pole constitutes integrated structure through welding and piston rod, can dismantle the change to the piston rod, the effectual detachability and the practicality that have improved the device.
3. Set up the mode that rear end cap and hydraulic cylinder body adopted the block to be connected, and the longitudinal section shape of rear end cap is type, and hydraulic cylinder body and rear end cap all are connected with the mode that the adjusting bolt adopted the screw thread, can make hydraulic cylinder body and rear end cap carry out stable connection installation, avoid producing not hard up, lead to inside fluid to leak, the effectual practical function that improves the device.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of the structure at B in FIG. 1 according to the present invention;
FIG. 4 is a schematic top view of the present invention.
In the figure: 1-hydraulic cylinder body, 2-rear end cover, 3-adjusting bolt, 4-oil inlet valve, 5-oil drain valve, 6-collecting box, 7-oil stop plug, 8-movable seat, 9-piston block, 10-piston rod, 11-first sealing element, 12-mounting rod, 13-observation window, 14-connecting assembly, 141-front end cover, 142-limiting spring, 143-limiting lug, 144-second sealing element, 145-third sealing element and 15-dust blocking block.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Referring to fig. 1-4, the present invention provides a technical solution of a leak-proof hydraulic oil cylinder: the hydraulic cylinder comprises a hydraulic cylinder body 1, wherein a rear end cover 2 is arranged on the left side of the hydraulic cylinder body 1, an adjusting bolt 3 is arranged at the joint of the rear end cover 2 and the hydraulic cylinder body 1, an oil inlet valve 4 is arranged at the left lower end of the hydraulic cylinder body 1, an oil drain valve 5 is arranged at the right lower end of the hydraulic cylinder body 1, a collecting box 6 fixedly connected with the hydraulic cylinder body 1 is arranged at the left end of the oil drain valve 5, and an oil stop plug 7 is arranged at the lower end of the collecting box 6; the movable seat 8 is arranged on the left side inside the hydraulic cylinder body 1, the upper side and the lower side of the movable seat 8 are both provided with piston blocks 9, the right side of the movable seat 8 is provided with a piston rod 10, the left end of the piston rod 10 is provided with an installation rod 12 connected with the movable seat 8, and the outer side of the installation rod 12 is provided with a first sealing element 11 connected with the piston rod 10; observation window 13 sets up in hydraulic cylinder body 1's upper end, and hydraulic cylinder body 1's the right-hand coupling assembling 14 that is provided with, and coupling assembling 14's right side middle part is provided with the dust blocking piece 15 that is connected with piston rod 10, and the stable connection of being convenient for can agree to the collection to the oil waste, and has improved the device prevent leaking the effect.
When the anti-leakage hydraulic oil cylinder is used, firstly, the components are assembled, specifically, as shown in fig. 1, fig. 2 and fig. 3, the rear end cover 2 is connected with the hydraulic cylinder body 1 in a clamping manner, the longitudinal section of the rear end cover 2 is in a convex shape, the hydraulic cylinder body 1 and the rear end cover 2 are both connected with the adjusting bolt 3 in a threaded manner, so that the hydraulic cylinder body 1 and the rear end cover 2 can be stably connected and installed, the internal oil leakage caused by looseness is avoided, the limit bump 143 is matched to form an elastic telescopic structure on the inner side of the front end cover 141 through the limit spring 142, the limit bump 143 is connected with the hydraulic cylinder body 1 in a clamping manner, so that the hydraulic cylinder body 1 is conveniently connected with the connecting component 14 in a clamping manner, and the front end cover 141 is respectively connected with the hydraulic cylinder body 1 in a fitting manner through the second sealing element 144 and the third sealing element 145, the leakage prevention effect is improved.
Specifically, as shown in fig. 1, 2 and 4, when in use, oil enters from an oil inlet valve 4, waste oil can be discharged from an oil drain valve 5 after operation, a hydraulic cylinder body 1 and a collecting box 6 form a communicating structure through the oil drain valve 5, the collecting box 6 is connected with an oil stop plug 7 in a threaded manner, the used waste oil can be collected uniformly, the waste oil is connected with a mounting rod 12 in a threaded manner through a movable seat 8, the mounting rod 12 and a piston rod 10 form an integrated structure through welding, the piston rod 10 is in a joint arrangement through a first sealing element 11 and the movable seat 8, the piston rod 10 can be detached and replaced, the outer surface of the piston block 9 is in a joint arrangement with the inner wall of the hydraulic cylinder body 1, the oil can be driven, a dust block 15 connected with a connecting assembly 14 is arranged on the outer side of the right end of the piston rod 10, impurities such as dust can be blocked, and the whole operation process can be directly checked through the observation window 13.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A leak-resistant hydraulic ram comprising:
the hydraulic cylinder comprises a hydraulic cylinder body, wherein a rear end cover is arranged on the left side of the hydraulic cylinder body, an adjusting bolt is arranged at the joint of the rear end cover and the hydraulic cylinder body, an oil inlet valve is arranged at the left lower end of the hydraulic cylinder body, an oil drain valve is arranged at the right lower end of the hydraulic cylinder body, a collecting box fixedly connected with the hydraulic cylinder body is arranged at the left end of the oil drain valve, and an oil stop plug is arranged at the lower end of the collecting box;
the hydraulic cylinder comprises a hydraulic cylinder body, a movable seat, a piston block, a piston rod, a mounting rod and a first sealing element, wherein the movable seat is arranged on the left side inside the hydraulic cylinder body, the upper side and the lower side of the movable seat are both provided with the piston blocks, the right side of the movable seat is provided with the piston rod, the left end of the piston rod is provided with the mounting rod connected with the movable seat, and the outer side of the mounting rod is provided with the first sealing element connected with the piston rod;
the observation window, its setting is in the upper end of hydraulic cylinder body, the right-hand coupling assembling that is provided with of hydraulic cylinder body, and coupling assembling's right side middle part is provided with the dust blocking piece that is connected with the piston rod.
2. A leak-resistant hydraulic ram as claimed in claim 1 wherein: the rear end cover is connected with the hydraulic cylinder body in a clamping mode, the longitudinal section of the rear end cover is in a convex shape, and the hydraulic cylinder body and the rear end cover are connected with the adjusting bolt in a threaded mode.
3. A leak-resistant hydraulic ram as claimed in claim 1 wherein: the hydraulic cylinder body forms a communicating structure with the collecting box through the oil drain valve, and the collecting box is connected with the oil stop plug in a threaded mode.
4. A leak-resistant hydraulic ram as claimed in claim 1 wherein: the movable seat is connected with the piston block in a bonding mode, the outer surface of the piston block is attached to the inner wall of the hydraulic cylinder body, the movable seat is connected with the installation rod in a threaded mode, and the installation rod and the piston rod form an integrated structure through welding.
5. A leak-resistant hydraulic ram as claimed in claim 1 wherein: the connecting assembly further comprises a front end cover, a limiting spring, a limiting lug, a second sealing element and a third sealing element;
a front end cover disposed on the right side of the hydraulic cylinder body;
the limiting spring is arranged on the left side inside the front end cover;
the limiting bump is arranged at the inner end of the limiting spring and is connected with the hydraulic cylinder body;
a second seal member provided inside a left end of the front end cover;
and the third sealing element is arranged on the outer side of the middle part of the left end of the front end cover and is connected with the hydraulic cylinder body.
6. A leak-proof hydraulic ram as claimed in claim 5 wherein: the front end cover is connected with the hydraulic cylinder body in a laminating mode through a second sealing element and a third sealing element respectively, the limiting lug forms an elastic telescopic structure on the inner side of the front end cover through a limiting spring, and the limiting lug is connected with the hydraulic cylinder body in a clamping mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123402931.9U CN216554717U (en) | 2021-12-30 | 2021-12-30 | Anti-leakage hydraulic oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123402931.9U CN216554717U (en) | 2021-12-30 | 2021-12-30 | Anti-leakage hydraulic oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216554717U true CN216554717U (en) | 2022-05-17 |
Family
ID=81558628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123402931.9U Active CN216554717U (en) | 2021-12-30 | 2021-12-30 | Anti-leakage hydraulic oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216554717U (en) |
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2021
- 2021-12-30 CN CN202123402931.9U patent/CN216554717U/en active Active
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