CN113530897A

CN113530897A - Air suction prevention device for hydraulic oil tank

Info

Publication number: CN113530897A
Application number: CN202110791315.2A
Authority: CN
Inventors: 李继松
Original assignee: Yangzhou Jiangdu Yuesheng Hydraulic Oil Tank Co ltd
Current assignee: Yangzhou Jiangdu Yuesheng Hydraulic Oil Tank Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2021-10-22

Abstract

The invention relates to the field of oil tank air suction prevention, in particular to an air suction prevention device for a hydraulic oil tank, which comprises an oil tank, wherein an air suction prevention structure capable of preventing oil from being sucked to be empty is arranged in the oil tank, an oil outlet structure capable of discharging oil is connected above the oil tank, a floating structure capable of detecting the oil quantity is arranged on one side of the oil outlet structure, a filtering structure capable of feeding oil into the oil tank is arranged on one side of the floating structure, a reinforcing structure is arranged on the outer side of the oil tank, and a damping buffer structure is connected below the oil tank. The existence of the shielding plate can prevent the scale rod from falling into the oil tank.

Description

Air suction prevention device for hydraulic oil tank

Technical Field

The invention relates to the field of oil tank air suction prevention, in particular to an air suction prevention device for a hydraulic oil tank.

Background

Fuel-filled containers on aircraft or on automobiles are special containers for storing hydraulic oil or hydraulic fluid in hydraulic systems. The oil tank can be divided into an open oil tank and a closed oil tank. The tank must have a sufficiently large volume; the oil suction pipe and the oil return pipe are inserted below the lowest liquid level to prevent air suction and oil return splashing to generate bubbles; the distance between the oil suction pipe and the oil return pipe is far as possible, and a partition plate is arranged between the oil suction pipe and the oil return pipe.

The common oil suction filter of the hydraulic oil tank can cause the suction phenomenon of the oil pump, if the oil pump sucks air, a large amount of sucked gas can corrode elements inside the oil pump, and the elements can rotate, contact and wear, so that the service life of the pump is greatly reduced.

At present, most oil tanks are subjected to an air suction phenomenon due to less oil, and serious damage is caused to the device.

Disclosure of Invention

The invention aims to provide an air suction prevention device for a hydraulic oil tank, which aims to solve the problems in the background technology.

For realizing above-mentioned purpose, empty device is prevented inhaling by hydraulic tank, including the oil tank, the inside of oil tank is provided with can prevent that oil from inhaling empty structure of preventing inhaling, the top of oil tank is connected with the structure of producing oil that can produce oil, one side of the structure of producing oil is provided with the floating structure that can detect the oil mass, the filtration that can be to the inside oil feed of oil tank is installed to one side of floating structure, reinforced structure is installed in the outside of oil tank, the below of oil tank is connected with the buffer structure that can the absorbing.

Preferably, prevent inhaling empty structure including advancing the grease chamber, the cylinder, the floating spring, the oil storage chamber, isolation piston and air chamber, oil feed room fixed connection is in the inside of oil tank, cylinder fixed mounting is on advancing the inner wall of grease chamber, floating spring fixed connection is at the top of cylinder, oil storage chamber swing joint is in advancing the inside of grease chamber, the size of oil storage chamber is less than the size of grease chamber, isolation piston swing joint is in the inside of grease chamber, air chamber fixed connection is at advancing the front end of grease chamber, through the cylinder, the combination of floating spring and isolation piston, can prevent that the phenomenon of empty absorption from taking place, and the destruction that the phenomenon caused is inhaled to effectual prevention empty.

Preferably, the structure of producing oil includes fixed lid, oil-out, goes out oil pipe and oil-well pump, fixed lid threaded connection is in the top of oil tank, the oil-out fixed connection is in the top of oil tank, go out oil pipe fixed mounting in the top of air chamber, oil-well pump fixed mounting is in the outside of fixed lid, through the extraction of oil-well pump, can take oil out from the oil tank, then from the oil-out blowout.

Preferably, the floating structure comprises a floating ball, a scale rod and a shielding plate, the floating ball is movably connected inside the oil tank, the floating ball is spherical, the scale rod is fixedly connected above the floating ball, the shielding plate is fixedly connected to the top of the scale rod, the floating ball floats on oil, the oil amount in the oil tank can be observed conveniently, the scale rod can know the residual condition of the oil amount, and the shielding plate can prevent the scale rod from falling inside the oil tank.

Preferably, filtration includes the fuel tank cap, the ejector pin, spring and filter screen, the top at the oil tank can be dismantled to the fuel tank cap, filter screen fixed connection is on the inner wall of oil tank, ejector pin fixed connection is in the below of fuel tank cap, spring swing joint has the inside that the existence of filter screen can prevent to have debris to fall into the oil tank at the in-process that refuels in the inside of filter screen.

Preferably, the reinforcing structure comprises fixing screws and a reinforcing outer edge, the fixing screws are fixedly connected inside the oil tank, the number of the fixing screws is a plurality, the reinforcing outer edge is fixedly connected to the outer edge of the oil tank, the whole stability of the oil tank can be guaranteed through the fixing of the fixing screws, and the edge of the oil tank can be protected through the arrangement of the reinforcing outer edge and is not damaged by the outside.

Preferably, buffer structure includes the base, the limiting plate, bottom plate and compression spring, the below at the oil tank is connected in the base integration, limiting plate swing joint is in the inside of base, bottom plate fixed connection is in the below of limiting plate, compression spring fixed connection has had the limiting plate in the below of bottom plate, and the existence of bottom plate and compression spring will have certain buffering and can protect inside structure not to receive the damage when refueling.

Preferably, fixedly connected with glass on the outer wall of oil tank, glass's size is less than the size of oil tank, the bottom fixedly connected with supporting shoe of oil tank, the quantity of supporting shoe is four, has had the existence of glass and can see the inside condition, is convenient for observe the inside of oil tank, and the stability of oil tank can be guaranteed in the setting of supporting shoe.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, through the combination of the cylinder, the movable spring and the isolation piston, the phenomenon of air suction can be prevented, and the damage caused by the phenomenon of air suction can be effectively prevented, oil can be pumped out of the oil tank through the pumping of the oil well pump and then is sprayed out of the oil outlet, the floating ball floats on the oil, so that the amount of the oil in the oil tank can be observed conveniently, the scale rod can know the residual condition of the oil amount, the existence of the shielding plate can prevent the scale rod from falling into the oil tank, the existence of the filter screen can prevent sundries from falling into the oil tank in the oil filling process, the whole stability of the oil tank can be ensured through the fixation of the fixing screw, and the edge of the oil tank can be protected from being damaged by the outside through the arrangement of the reinforced outside.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal plan of the fuel tank;

FIG. 3 is an enlarged view of the floating structure;

FIG. 4 is an enlarged view of the filter structure;

FIG. 5 is an enlarged view of the reinforcing structure;

fig. 6 is a schematic view of an internal plane structure of the buffer structure.

In the figure: 1. an oil tank; 2. an anti-suction structure; 3. an oil outlet structure; 4. a floating structure; 5. a filter structure; 6. reinforcing the structure; 7. a buffer structure; 8. glass; 9. a support block; 21. an oil inlet chamber; 22. a cylinder; 23. a movable spring; 24. an oil storage chamber; 25. an isolation piston; 26. an air chamber; 31. a fixed cover; 32. an oil outlet; 33. an oil outlet pipe; 34. an oil well pump; 41. floating the ball; 42. a graduated rod; 43. a shielding plate; 51. a fuel tank cap; 52. an extrusion stem; 53. a spring; 54. a filter screen; 61. fixing screws; 62. reinforcing the outer edge; 71. a base; 72. a limiting plate; 73. a base plate; 74. a compression spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the illustrated anti-empty-suction device for the hydraulic oil tank comprises an oil tank 1, an anti-empty-suction structure 2 capable of preventing empty suction of oil is arranged inside the oil tank 1, an oil outlet structure 3 capable of discharging oil is connected above the oil tank 1, a floating structure 4 capable of detecting the amount of oil is arranged on one side of the oil outlet structure 3, a filtering structure 5 capable of feeding oil into the oil tank 1 is arranged on one side of the floating structure 4, a reinforcing structure 6 is arranged on the outer side of the oil tank 1, and a buffering structure 7 capable of absorbing shock is connected below the oil tank 1.

Prevent inhaling empty structure 2 including advancing oil chamber 21, cylinder 22, floating spring 23, oil storage chamber 24, isolation piston 25 and air chamber 26, advance oil chamber 21 fixed connection in the inside of oil tank 1, cylinder 22 fixed mounting is on advancing the inner wall of oil chamber 21, floating spring 23 fixed connection is at the top of

cylinder

22, 24 swing joint of oil storage chamber is in the inside of advancing

oil chamber

21, 24 sizes of oil storage chamber are less than the size of advancing oil chamber 21, isolation piston 25 swing joint is in the inside of advancing

oil chamber

21, 26 fixed connection of air chamber is at the front end of advancing oil chamber 21.

The oil outlet structure 3 comprises a fixed cover 31, an oil outlet 32, an oil outlet pipe 33 and an oil well pump 34, wherein the fixed cover 31 is in threaded connection with the upper portion of the oil tank 1, the oil outlet 32 is fixedly connected with the upper portion of the oil tank 1, the oil outlet pipe 33 is fixedly arranged above the air chamber 26, and the oil well pump 34 is fixedly arranged on the outer side of the fixed cover 31.

The floating structure 4 comprises a floating ball 41, a scale rod 42 and a shielding plate 43, wherein the floating ball 41 is movably connected inside the oil tank 1, the floating ball 41 is spherical, the scale rod 42 is fixedly connected above the floating ball 41, and the shielding plate 43 is fixedly connected to the top of the scale rod 42.

Filtration 5 includes fuel tank cap 51, ejector pin 52, spring 53 and filter screen 54, fuel tank cap 51 can dismantle the top of connection at oil tank 1, filter screen 54 fixed connection is on the inner wall of oil tank 1, ejector pin 52 fixed connection is in fuel tank cap 51's below, spring 53 swing joint is in filter screen 54's inside.

The reinforcing structure 6 comprises fixing screws 61 and reinforcing outer edges 62, the fixing screws 61 are fixedly connected inside the oil tank 1, the number of the fixing screws 61 is several, and the reinforcing outer edges 62 are fixedly connected to the outer edges of the oil tank 1.

Buffer structure 7 includes base 71, limiting plate 72, bottom plate 73 and compression spring 74, the below at oil tank 1 is connected to base 71 integration, limiting plate 72 swing joint is in the inside of base 71, bottom plate 73 fixed connection is in the below of limiting plate 72, compression spring 74 fixed connection is in the below of bottom plate 73.

The outer wall of the oil tank 1 is fixedly connected with glass 8, the size of the glass 8 is smaller than that of the oil tank 1, the bottom of the oil tank 1 is fixedly connected with supporting blocks 9, and the number of the supporting blocks 9 is four.

In the scheme: when the oil tank 1 is empty, the floating ball 41 falls, the scale rod 42 falls into the oil tank 1, the user injects oil into the oil tank 1 by opening the oil tank cover 51, when the oil is in the oil tank 1, the floating ball 41 rises, the scale rod 42 appears above the oil tank 1, when the oil is in the oil tank 1, the movable spring 23 moves back and forth by the driving of the air cylinder 22, the oil storage chamber 24 can enter the oil, and then the oil can be sprayed out from the oil outlet 32 by the driving of the oil pump 34, when the oil is not in the oil tank 1, the air cylinder 22 can drive the oil storage chamber 24 to move, so that the isolation piston 25 separates the oil storage chamber 24 from the air chamber 26, and the occurrence of air suction display is prevented.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an air suction device is prevented to hydraulic tank, includes oil tank (1), its characterized in that: the utility model discloses a fuel tank, including oil tank (1), the inside of oil tank (1) is provided with and prevents that empty structure (2) of inhaling of preventing that oil from inhaling sky, the top of oil tank (1) is connected with the oil production structure (3) that can produce oil, one side of the oil production structure (3) is provided with floating structure (4) that can detect the oil mass, filtering structure (5) that can be to the inside oil feed of oil tank (1) are installed to one side of floating structure (4), reinforced structure (6) are installed in the outside of oil tank (1), the below of oil tank (1) is connected with can absorbing buffer structure (7).

2. The anti-suction device of the hydraulic oil tank according to claim 1, characterized in that: prevent inhaling empty structure (2) including advancing grease chamber (21), cylinder (22), movable spring (23), oil storage chamber (24), isolation piston (25) and air chamber (26), advance the inside of grease chamber (21) fixed connection in oil tank (1), cylinder (22) fixed mounting is on the inner wall of advancing grease chamber (21), movable spring (23) fixed connection is at the top of cylinder (22), oil storage chamber (24) swing joint is in the inside of advancing grease chamber (21), the size of oil storage chamber (24) is less than the size of advancing grease chamber (21), isolation piston (25) swing joint is in the inside of advancing grease chamber (21), air chamber (26) fixed connection is at the front end of advancing grease chamber (21).

3. The anti-suction device of the hydraulic oil tank according to claim 1, characterized in that: go out oil structure (3) including fixed lid (31), oil-out (32), go out oil pipe (33) and oil-well pump (34), fixed lid (31) threaded connection is in the top of oil tank (1), oil-out (32) fixed connection is in the top of oil tank (1), go out oil pipe (33) fixed mounting in the top of air chamber (26), oil-well pump (34) fixed mounting is in the outside of fixed lid (31).

4. The anti-suction device of the hydraulic oil tank according to claim 1, characterized in that: the floating structure (4) comprises a floating ball (41), a scale rod (42) and a shielding plate (43), wherein the floating ball (41) is movably connected inside the oil tank (1), the floating ball (41) is spherical, the scale rod (42) is fixedly connected above the floating ball (41), and the shielding plate (43) is fixedly connected to the top of the scale rod (42).

5. The anti-suction device of the hydraulic oil tank according to claim 1, characterized in that: filtration (5) are including fuel tank cap (51), ejector pin (52), spring (53) and filter screen (54), fuel tank cap (51) can be dismantled the top of connection at oil tank (1), filter screen (54) fixed connection is on the inner wall of oil tank (1), ejector pin (52) fixed connection is in the below of fuel tank cap (51), spring (53) swing joint is in the inside of filter screen (54).

6. The anti-suction device of the hydraulic oil tank according to claim 1, characterized in that: the reinforcing structure (6) comprises fixing screws (61) and reinforcing outer edges (62), the fixing screws (61) are fixedly connected inside the oil tank (1), the number of the fixing screws (61) is a plurality, and the reinforcing outer edges (62) are fixedly connected to the outer edges of the oil tank (1).

7. The anti-suction device of the hydraulic oil tank according to claim 1, characterized in that: buffer structure (7) include base (71), limiting plate (72), bottom plate (73) and compression spring (74), the below at oil tank (1) is connected in base (71) integration, limiting plate (72) swing joint is in the inside of base (71), bottom plate (73) fixed connection is in the below of limiting plate (72), compression spring (74) fixed connection is in the below of bottom plate (73).

8. The anti-suction device of the hydraulic oil tank according to claim 1, characterized in that: fixedly connected with glass (8) on the outer wall of oil tank (1), the size of glass (8) is less than the size of oil tank (1), the bottom fixedly connected with supporting shoe (9) of oil tank (1), the quantity of supporting shoe (9) is four.