CN217898364U - Leakage-proof hydraulic oil pump with buffer structure - Google Patents
Leakage-proof hydraulic oil pump with buffer structure Download PDFInfo
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- CN217898364U CN217898364U CN202221844631.8U CN202221844631U CN217898364U CN 217898364 U CN217898364 U CN 217898364U CN 202221844631 U CN202221844631 U CN 202221844631U CN 217898364 U CN217898364 U CN 217898364U
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Abstract
The utility model provides a leakage-proof hydraulic oil pump with a buffer structure, which relates to the technical field of hydraulic oil pumps and comprises a hydraulic oil pump with an installation bottom plate, wherein both side ends of the hydraulic oil pump are respectively and fixedly connected with an oil suction pipe and an oil outlet pipe, and the leakage-proof hydraulic oil pump also comprises an installation pipe, an external corrugated expansion pipe and an air bag buffer component for buffering and damping the installation pipe; the oil suction pipe and the oil outlet pipe are respectively connected with the corresponding installation pipe in a sealing mode through the corrugated telescopic pipes, the installation pipe is installed in the circular shock absorption cavity of the air bag buffering assembly, and the air bag buffering assembly is fixedly installed with the installation bottom plate through the installation base. The utility model discloses it is rational in infrastructure, through external with the flexible pipe of ripple for installation operating space grow, the flexible pipe of ripple of being convenient for sets up gasbag buffering subassembly with orificial installation, cooperates flexible pipe of ripple to carry out the omnidirectional buffering to the pipeline, has also reduced the point that can leak simultaneously, and greatly reduced takes place the probability of leaking.
Description
Technical Field
The utility model relates to a hydraulic oil pump technical field especially relates to a leak protection area buffer structure's hydraulic oil pump.
Background
The hydraulic pump is a power element of a hydraulic system, and is an element which is driven by an engine or a motor, sucks oil from a hydraulic oil tank, discharges the pressure oil and sends the pressure oil to an execution element.
For example, chinese patent publication No. CN202023086387.7 discloses a leak-proof hydraulic oil pump, which includes a pump body, the pump body includes two oil pipes for oil inlet and outlet, the oil pipes are provided with openings, the oil pipes are provided with damping mechanisms, the damping mechanisms include connecting pipes mounted on the oil pipes, and also include butt-joint pipes mounted on the connecting pipes; oil pipe the connecting pipe with the butt joint pipe is the pipe, and the connecting pipe both ends all are equipped with the opening, also all are equipped with the opening to the butt joint pipe both ends, and the connecting pipe is along axis direction and oil pipe sliding connection, and the butt joint pipe is along the direction and the connecting pipe sliding connection of perpendicular to self axis, and seamless sealing connection between the opening of oil pipe and the one end opening of connecting pipe, sealing connection between the opening that the connecting pipe deviates from oil pipe and the one end opening of butt joint pipe.
However, the above-mentioned apparatus has the following problems:
firstly, performing primary filtration; the corrugated pipe is arranged in the oil pipe, and the diameter of the oil pipe with a smaller diameter does not have a large enough installation operation space, so that the corrugated pipe and the pipeline are inconvenient to install;
II, performing secondary treatment; when butt joint pipe production vibrations, it can form friction and collision with the rubber circle that sets up on limit flange, and long this past, the rubber circle produces great wearing and tearing or leads to the impaired sealed effect decline that leads to of elastic performance because of the collision, forms the leakage of hydraulic oil easily.
Therefore, the application provides a hydraulic oil pump of leak protection area buffer structure satisfies the demand.
SUMMERY OF THE UTILITY MODEL
The utility model aims at prior art's weak point, provide a leak protection area buffer structure's hydraulic oil pump, realized the flexible pipe of ripple of being convenient for and orificial installation, carry out the omnidirectional vibrations buffering to the pipeline through the cooperation of the flexible pipe of external ripple and gasbag buffering subassembly, reduced the point that can leak simultaneously, improve and prevent leaking the effect, solve the installation of the bellows of being not convenient for and pipeline and cause the problem of leaking easily.
In order to achieve the above object, the utility model provides a following technical scheme: a leakage-proof hydraulic oil pump with a buffer structure comprises a hydraulic oil pump with an installation base plate, an installation pipe, an external corrugated expansion pipe and an air bag buffer assembly, wherein the two side ends of the hydraulic oil pump are respectively and fixedly connected with an oil suction pipe and an oil outlet pipe;
the oil suction pipe and the oil outlet pipe are respectively connected with the corresponding mounting pipe in a sealing manner through the corrugated telescopic pipes, the mounting pipe is mounted in the circular damping cavity of the air bag buffering assembly, and the air bag buffering assembly is fixedly mounted with the mounting base plate through the mounting base.
Preferably, gasbag buffer unit includes that a pair of semicircle pipe that has and hold the recess and pass through bolt, nut fixed mounting and a pair of semi-ring type gasbag that is located hold the recess, it is a pair of equal fixedly connected with runs through on the semi-ring type gasbag the pneumatic valve of semicircle pipe, it is a pair of a plurality of movable blocks that set up with the axle center and become the circumference are installed to the annular intracavity that semi-ring type gasbag encloses, and are a plurality of the outer end of movable block all is located hold the inner chamber of recess and with semi-ring type gasbag is inconsistent, and is a plurality of the stopper is all installed to the side of movable block, the tip slidable mounting of stopper is in hold the spout that is equipped with on the recess inner wall, and is a plurality of the interior terminal surface of movable block all is located hold the outside of recess and enclose into circular shock attenuation chamber, the diameter of circular shock attenuation chamber with the external diameter adaptation of installation pipe.
Preferably, the movable block includes the casing and right the casing carries out the closing plate sealed, fixedly connected with boss on the closing plate, just the both sides of boss respectively with the one end fixed connection of corresponding installation spring, the other end of installation spring with run through the stopper tip fixed connection of casing, the inner chamber of casing is provided with the screw thread post, the closing plate pass through the screw with the screw thread installation of screw thread post.
Preferably, a guide arc surface is arranged at the end part of the limiting block close to the semi-annular air bag.
Preferably, the mounting spring with fixedly connected with baffle between the stopper, just the baffle is located the inner chamber of casing, the side of baffle with the inner chamber wall of casing forms the contact and blocks.
Preferably, the top of the boss is provided with a rolling groove, a universal ball is connected in the rolling groove in a rolling manner, and the upper end of the universal ball penetrates through a through hole formed in the shell.
Preferably, the outer surface of the semi-ring type air bag is provided with an anti-corrosion coating.
The beneficial effects of the utility model reside in that:
(1) The utility model discloses a with the flexible pipe of ripple external for installation operation space grow, the flexible pipe of ripple and the orificial installation of being convenient for set up gasbag buffering subassembly, utilize gasbag buffering subassembly to bear pipeline weight, the flexible pipe of cooperation ripple carries out the omnidirectional vibrations buffering in order to prevent to leak to the pipeline, has also reduced the point that can leak simultaneously, and greatly reduced takes place the probability of leaking.
(2) The utility model discloses a set up universal ball on the movable block, can weaken the friction between installation pipe and the stopper, avoid producing the friction loss, improve the life of part.
To sum up, the utility model has the advantages of be convenient for install, prevent leaking effectually.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the explosion structure of the airbag cushion assembly of the present invention;
FIG. 3 is a schematic view of the movable block structure of the present invention;
FIG. 4 is the schematic view of the split structure of the movable block of the present invention
Fig. 5 is a schematic view of the bottom structure of the housing of the present invention.
In the figure: 1. a hydraulic oil pump; 2. a corrugated expansion pipe; 3. an airbag cushion assembly; 31. a semicircular tube; 32. a movable block; 33. a ball transfer unit; 34. a limiting block; 35. a chute; 36. an air valve; 37. a semi-annular air bag; 4. installing a pipe; 5. mounting a bottom plate; 6. installing a base; 7. a through hole; 8. a sealing plate; 9. rolling a groove; 10. installing a spring; 11. a threaded post; 12. a baffle plate; 13. a guiding cambered surface; 14. a housing; 15. and (4) a boss.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Example one
As shown in fig. 1-5, the embodiment provides a leakage-proof hydraulic oil pump with a buffer structure, which includes a hydraulic oil pump 1 with a mounting base plate 5, an oil suction pipe and an oil outlet pipe fixedly connected to both side ends of the hydraulic oil pump 1, a mounting pipe 4, an external corrugated expansion pipe 2, and an air bag buffer assembly 3 for buffering and damping the mounting pipe 4; inhale oil pipe and play oil pipe respectively through flexible pipe 2 of ripple and 4 sealing connection of corresponding installation tube, installation tube 4 is installed in gasbag buffering subassembly 3's circular shock attenuation intracavity, gasbag buffering subassembly 3 is through installation base 6 and 5 fixed mounting of mounting plate, flexible pipe 2 of ripple is external, have enough big installation operating space, flexible pipe 2 of ripple and orificial installation of being convenient for, set up gasbag buffering subassembly 3, with installation tube 4 and other pipe connection, utilize gasbag buffering subassembly 3 to bear pipeline weight, cooperate flexible pipe 2 of ripple to carry out omnidirectional buffering to the pipeline simultaneously, the point that can leak has been reduced simultaneously, the improvement is prevented leaking the effect.
As a preferred embodiment in this embodiment, as shown in fig. 2, the airbag cushion assembly 3 includes a pair of semicircular tubes 31 having accommodating grooves and fixedly installed by bolts and nuts, and a pair of semi-ring airbags 37 located in the accommodating grooves, an air valve 36 penetrating the semicircular tubes 31 is fixedly connected to each of the pair of semi-ring airbags 37, a plurality of movable blocks 32 coaxially and circumferentially installed in an annular cavity defined by the pair of semi-ring airbags 37, outer ends of the plurality of movable blocks 32 are located in the inner cavity of the accommodating grooves and abut against the semi-ring airbags 37, side ends of the plurality of movable blocks 32 are respectively installed with a stopper 34, end portions of the stopper 34 are slidably installed in a sliding groove 35 formed in an inner wall of the accommodating groove, inner end surfaces of the plurality of movable blocks 32 are located outside the accommodating grooves and define a circular damping cavity, a diameter of the circular damping cavity is adapted to an outer diameter of the mounting tube 4, the mounting tube 4 is installed in the circular damping cavity when in use, the mounting tube 32 is in contact with an outer wall of the mounting tube 4 to form a support, when vibration 1 is generated by driving of the motor, the mounting tube 4 is connected to the mounting tube, and the mounting tube can reduce leakage of the semi-ring airbags, and the leakage of the mounting tube can be sealed hydraulic cushion assembly, and the leakage of the mounting tube can be reduced by adopting the hydraulic buffer assembly.
In this embodiment, as shown in fig. 3-5, the movable block 32 includes a housing 14 and a sealing plate 8 for sealing the housing 14, a boss 15 is fixedly connected to the sealing plate 8, two sides of the boss 15 are respectively fixedly connected to one end of a corresponding mounting spring 10, the other end of the mounting spring 10 is fixedly connected to an end of a limiting block 34 penetrating through the housing 14, a threaded post 11 is disposed in an inner cavity of the housing 14, the sealing plate 8 is threadedly mounted to the threaded post 11 through a screw, and the limiting block 34 can move in and out of the housing 14 through the mounting spring 10, so as to facilitate mounting an end of the limiting block 34 in a sliding groove 35.
As a preferred embodiment in this embodiment, as shown in fig. 4, a rolling groove 9 is formed at the top of the boss 15, a universal ball 33 is connected in the rolling groove 9 in a rolling manner, an upper end of the universal ball 33 passes through a through hole 7 formed in the housing 14, when the mounting tube 4 is mounted, the upper end of the universal ball 33 contacts with the outer wall of the mounting tube 4 to form a sliding support, when the mounting tube 4 vibrates and moves slightly in the circular damping cavity, the sliding friction is changed into rolling friction through the universal ball 33, the friction between the mounting tube 4 and the stopper 34 can be weakened, the friction loss can be avoided, the service life of the component can be prolonged, and meanwhile, the universal ball 33 can be limited on the movable block 32 through the arrangement of the rolling groove 9 and the through hole 7, so as to facilitate the mounting of the universal ball 33 and the movable block 32.
As a preferable embodiment in this embodiment, as shown in fig. 3, the end of the stopper 34 close to the semi-annular airbag 37 is provided with a guide arc surface 13, when the movable block 32 is mounted, the guide arc surfaces 13 at the two ends of the stopper 34 can be brought into contact with the mounting end surface of the semi-circular tube 31, and the movable block 32 is pressed toward the chute 35, so that the end of the stopper 34 can be pressed into the chute 35 by the cooperation of the mounting spring 10, and the convenience of mounting the movable block 32 is further improved.
As a preferred implementation manner in this embodiment, as shown in fig. 4, a baffle 12 is fixedly connected between the mounting spring 10 and the stopper 34, the baffle 12 is located in the inner cavity of the housing 14, a side end of the baffle 12 forms a contact barrier with a wall of the inner cavity of the housing 14, the baffle 12 can prevent an outer end of the stopper 34 from being torn out of the housing 14 when being pulled, and the mounting spring 10 can be prevented from being damaged.
As a preferable embodiment in this embodiment, not shown in the drawings, the outer surface of the half-ring type air bag 37 is provided with an anticorrosion coating, which may be a ZS-711 inorganic anticorrosion coating, and the coating has good corrosion resistance and wear resistance, which can greatly improve the service life of the half-ring type air bag 37.
Working procedure
The corrugated expansion pipe 2 is arranged outside, so that the installation operation space is enlarged, the corrugated expansion pipe 2 and the pipe orifice can be conveniently installed, the air bag buffer assembly 3 is arranged, the installation pipe 4 is installed in the circular shock absorption cavity when in use, the inner end surface of the movable block 32 is contacted with the outer wall of the installation pipe 4 and forms support, when the hydraulic oil pump 1 generates vibration due to the driving of a motor, the installation pipe 4 is in non-rigid connection with the hydraulic oil pump 1, and the vibration of the installation pipe 4 can be buffered through the semi-ring type air bag 37, so that the installation pipe 4 can be buffered in all directions, the impact generated at each pipeline interface can be buffered, the sealing performance of the pipeline interfaces is improved, the concept of oil leakage is favorably reduced, and meanwhile, by adopting the air bag buffer assembly 3, the leakage point can be reduced, and the leakage-proof effect is improved;
the top of boss is provided with universal ball 33, and the sliding friction between pipe 4 and the movable block 32 will be installed to accessible universal ball 33 becomes rolling friction, can weaken the frictional action between installation pipe 4 and the stopper 34, avoids producing the friction loss, improves the life of part, simultaneously through the setting of rolling groove 9 and through-hole 7, can realize spacing universal ball 33 on the movable block 32, the convenient installation to universal ball 33 and movable block 32.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The leakage-proof hydraulic oil pump with the buffer structure comprises a hydraulic oil pump with a mounting base plate, wherein two side ends of the hydraulic oil pump are respectively and fixedly connected with an oil suction pipe and an oil outlet pipe;
the oil suction pipe and the oil outlet pipe are respectively connected with the corresponding mounting pipe in a sealing manner through the corrugated telescopic pipes, the mounting pipe is mounted in the circular damping cavity of the air bag buffering assembly, and the air bag buffering assembly is fixedly mounted with the mounting base plate through the mounting base.
2. The hydraulic oil pump of claim 1, wherein the air bag buffer assembly comprises a pair of semicircular tubes fixedly installed through bolts and nuts and a pair of semicircular air bags located in the accommodating grooves, air valves penetrating through the semicircular tubes are fixedly connected to the pair of semicircular air bags, a plurality of movable blocks arranged coaxially and circumferentially are installed in annular cavities defined by the pair of semicircular air bags, outer ends of the plurality of movable blocks are located in the inner cavities of the accommodating grooves and abut against the semicircular air bags, limiting blocks are installed at side ends of the plurality of movable blocks, end portions of the limiting blocks are slidably installed in sliding grooves formed in inner walls of the accommodating grooves, inner end surfaces of the plurality of movable blocks are located outside the accommodating grooves and define circular damping cavities, and the diameter of the circular damping cavities is matched with the outer diameter of the mounting tubes.
3. The hydraulic oil pump with the buffer structure is characterized in that the movable block comprises a shell and a sealing plate for sealing the shell, a boss is fixedly connected to the sealing plate, two sides of the boss are fixedly connected with one end of a corresponding mounting spring respectively, the other end of the mounting spring is fixedly connected with the end of a limiting block penetrating through the shell, a threaded column is arranged in an inner cavity of the shell, and the sealing plate is in threaded mounting with the threaded column through a screw.
4. The hydraulic oil pump with the buffer structure for preventing leakage according to claim 2, wherein the end of the limiting block close to the semi-annular air bag is provided with a guiding cambered surface.
5. The hydraulic oil pump with the buffer structure for preventing leakage according to claim 3, wherein a baffle is fixedly connected between the mounting spring and the limiting block, the baffle is located in the inner cavity of the housing, and the side end of the baffle forms a contact stop with the wall of the inner cavity of the housing.
6. The hydraulic oil pump with the buffer structure for preventing leakage according to claim 3, wherein a rolling groove is formed at the top of the boss, a universal ball is connected in the rolling groove in a rolling manner, and the upper end of the universal ball passes through a through hole formed in the shell.
7. The hydraulic oil pump with the buffer structure for preventing leakage according to claim 2, wherein the outer surface of the semi-annular air bag is provided with an anti-corrosion coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221844631.8U CN217898364U (en) | 2022-07-18 | 2022-07-18 | Leakage-proof hydraulic oil pump with buffer structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221844631.8U CN217898364U (en) | 2022-07-18 | 2022-07-18 | Leakage-proof hydraulic oil pump with buffer structure |
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| CN217898364U true CN217898364U (en) | 2022-11-25 |
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| CN202221844631.8U Active CN217898364U (en) | 2022-07-18 | 2022-07-18 | Leakage-proof hydraulic oil pump with buffer structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117233359A (en) * | 2023-11-15 | 2023-12-15 | 孚迪斯石油化工科技(葫芦岛)股份有限公司 | Aviation lubricating oil bearing test device |
-
2022
- 2022-07-18 CN CN202221844631.8U patent/CN217898364U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117233359A (en) * | 2023-11-15 | 2023-12-15 | 孚迪斯石油化工科技(葫芦岛)股份有限公司 | Aviation lubricating oil bearing test device |
| CN117233359B (en) * | 2023-11-15 | 2024-02-02 | 孚迪斯石油化工科技(葫芦岛)股份有限公司 | Aviation lubricating oil bearing test device |
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