CN220869750U - Self-filtering hydraulic oil tank - Google Patents

Abstract

The utility model provides a self-filtering hydraulic oil tank, which comprises a tank body, wherein an oil inlet component and an oil return component are fixedly arranged at the top end of the tank body, an oil drain pipe is fixedly communicated with the bottom end of the tank body, and the self-filtering hydraulic oil tank further comprises: the filter component is located one side far away from the oil return component, the filter component comprises an outer barrel, an oil flushing filter cylinder, an oil flushing inlet pipe and an oil flushing outlet pipe, the outer barrel is connected with the oil flushing filter cylinder through a three-way pipe, a plurality of valve bodies are used for controlling a path through which hydraulic oil can circulate, clean hydraulic oil is filled into the outer barrel through the oil flushing inlet pipe, the clean hydraulic oil flows from the upper direction of the outer filter cylinder and the upper direction of the inner filter cylinder to the lower side of the inner filter cylinder, impurities inside the outer filter cylinder and impurities inside the inner filter cylinder are flushed into the oil flushing filter pipe, the filter component is not required to be detached from a hydraulic system, and the filter component is convenient and time-saving, and meanwhile, the influence on the hydraulic system is weakened.

Description

Self-filtering hydraulic oil tank

Technical Field

The utility model relates to the technical field of hydraulic systems, in particular to a self-filtering hydraulic oil tank.

Background

The oil tank is one of indispensable elements in a hydraulic system, and the oil tank is used for storing oil, radiating heat and separating air and impurities in oil. In the hydraulic transmission system, the space in the machine body or the base can be used as an oil tank, and an independent oil tank can be adopted, so that the oil tank is convenient to recover oil leakage, but the thermal deformation of the machine body is easy to cause when the temperature of oil liquid changes, and the vibration of the hydraulic pump also can influence the working performance of the machine, so that the precise machine can adopt the independent oil tank.

The oil suction pipe or the oil return pipe of the independent oil tank is provided with a filtering structure for removing solid particles, impurities or pollutants in the liquid, but in the operation process, the filter can be blocked by a large amount of solid particles and impurities, so that the flow of the liquid is limited, and when the filter is blocked, the flow is reduced, the pressure is fluctuated or even the system is in fault; if the filters are not serviced or replaced on time they may lose their effective filtering function, which may lead to contaminants in the liquid entering the hydraulic system, damaging critical components, seals or causing system failure; the purchase, maintenance and replacement of filters all require significant cost inputs. Therefore, the filtering structure needs to be cleaned in time to ensure good operation of the hydraulic system.

The oil suction pipe, the oil return pipe and the box body of the oil tank in the prior art are detachably connected, when the filtering structure of the oil suction pipe or the oil return pipe needs to be cleaned or replaced, the filtering structure can be cleaned by detaching the oil suction pipe or the oil return pipe, and the cleaning process is easy to have the following defects: because the oil suction pipe, the oil return pipe and the hydraulic system are fixedly communicated, the disassembly is inconvenient, the disassembly process time is long, and the use of the hydraulic system is delayed.

In summary, there is a need for a self-filtering hydraulic tank that facilitates cleaning of the filtering structure.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a self-filtering hydraulic oil tank, which solves the problems in the background art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

The utility model provides a from straining hydraulic tank, includes the box, the fixed oil feed subassembly, the oil return subassembly that are equipped with in top of box, the bottom mounting intercommunication of box has oil drain pipe, still includes:

The filter component is located one side far away from the oil return component and comprises an outer cylinder body, an oil suction pipe is fixedly communicated with the top end of the outer cylinder body, an outer filter cylinder and an inner filter cylinder are fixedly arranged in the outer cylinder body, the outer filter cylinder is sleeved outside the inner filter cylinder, an oil flushing filter cylinder is arranged below the outer cylinder body, a three-way pipe is fixedly communicated between the outer cylinder body and the oil flushing filter cylinder and comprises a first pipe body, a second pipe body and a third pipe body, the first pipe body is fixedly communicated with the box body, the second pipe body is fixedly communicated with the outer cylinder body, the third pipe body is fixedly communicated with the oil flushing filter cylinder, an oil flushing inlet pipe is fixedly arranged on the side wall of the top end of the outer cylinder body, and an oil flushing outlet pipe is fixedly arranged on the side wall of the bottom end of the oil flushing filter cylinder.

Further, the bottom fixedly connected with connecting plate one of outer barrel, the top fixedly connected with connecting plate two of body two, through a plurality of bolt fastening between connecting plate one and the connecting plate two, the bottom fixedly connected with flange one of outer section of thick bamboo, the bottom fixedly connected with flange two of interior section of thick bamboo, flange one, flange two all pass through bolt and connecting plate two fixed connection.

Furthermore, a connecting pipe is fixedly arranged at the bottom end of the third pipe body, and the connecting pipe is in threaded connection with the oil flushing filter cylinder.

Further, the oil inlet assembly comprises an oil inlet pipe, a convex plate III is fixedly connected to the top end of the oil inlet pipe, a first pipe head is fixedly arranged on the top end of the convex plate III, a top cover is arranged on the top end of the first pipe head, a plurality of exhaust holes are uniformly formed in the edge of the bottom end of the top cover, a second pipe head is fixedly connected to the bottom end of the top cover, and a first pipe head and a second pipe head are in threaded connection.

Further, a filter tube is arranged below the oil inlet tube, a convex plate IV is sleeved outside the top end of the filter tube, the convex plate III and the convex plate IV are fixedly connected with the top end of the box body through bolts, and the oil inlet tube and the filter tube extend into the box body.

Further, the oil return assembly comprises an oil return pipe, a fifth convex plate is fixedly connected to the bottom end of the oil return pipe, a sixth convex plate is arranged below the oil return pipe and fixedly connected to the top end of the box body, and the fifth convex plate and the sixth convex plate are fixedly connected through bolts.

Furthermore, valve bodies are arranged on the oil suction pipe, the oil flushing inlet pipe, the three-way pipe and the oil discharge pipe.

Further, the side wall of the box body is fixedly provided with a liquid level meter, the inside of the box body is fixedly connected with a partition plate, and the box body is fixedly connected with the outer barrel through a fixing plate.

The utility model provides a self-filtering hydraulic oil tank. Compared with the prior art, the device comprises the following components

The beneficial effects are that:

Be equipped with filter unit, filter unit is located the outside of box, filter unit includes outer barrel, wash oil and strain the section of thick bamboo, wash oil inlet tube, wash oil exit tube, be connected through the three-way pipe between outer barrel and the wash oil and strain the section of thick bamboo, but pass through the route that a plurality of valve body control hydraulic oil circulated, it fills clean hydraulic oil to the outside barrel through wash oil inlet tube, clean hydraulic oil is from the outside strain a section of thick bamboo, the outside of the upper direction of interior section of thick bamboo of straining a section of thick bamboo, the below of interior section of thick bamboo flows, the inside impurity of the interior section of thick bamboo is strained inside with the outside of straining a section of thick bamboo to the hydraulic oil that flows is strained, need not to dismantle filter unit from hydraulic system and can clear up filtration, it is convenient save time, weaken the influence to hydraulic system simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 shows a front view of the overall structure of the present utility model;

FIG. 2 shows a front view of a cross-sectional view of the case of the present utility model;

FIG. 3 shows a cross-sectional view of the filter assembly of the present utility model;

FIG. 4 illustrates one of the exploded views of the oil feed assembly of the present utility model;

FIG. 5 shows a second exploded view of the oil intake assembly of the present utility model.

The figure shows: 1. a case; 11. a partition plate; 2. an oil suction pipe; 3. a filter assembly; 31. an outer cylinder; 311. a first connecting plate; 32. an outer filter cartridge; 321. a convex plate I; 33. an inner filter cartridge; 331. a convex plate II; 34. a three-way pipe; 341. a first pipe body; 342. a second pipe body; 3421. a second connecting plate; 343. a third pipe body; 3431. a connecting pipe; 35. an oil flushing filter cylinder; 36. an oil flushing outlet pipe; 37. flushing oil into the pipe; 4. an oil inlet assembly; 41. an oil inlet pipe; 411. a convex plate III; 412. a first pipe head; 42. a top cover; 421. an exhaust hole; 422. a second pipe head; 43. a filter tube; 44. a convex plate IV; 5. an oil return assembly; 51. an oil return pipe; 52. fifth convex plate; 53. a convex plate six; 6. an oil drain pipe; 7. a liquid level gauge; 8. a valve body; 9. and a fixing plate.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions in the embodiments of the present utility model are clearly and completely described, and it is obvious that the described embodiments are 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

In order to solve the technical problems in the background art, a self-filtering hydraulic oil tank is provided as follows:

referring to fig. 1-5, the self-filtering hydraulic oil tank provided by the utility model comprises a tank body 1, wherein an oil inlet component 4 and an oil return component 5 are fixedly arranged at the top end of the tank body 1, an oil drain pipe 6 is fixedly communicated with the bottom end of the tank body 1, the oil inlet component 4 comprises an oil inlet pipe 41, a convex plate III 411 is fixedly connected to the top end of the oil inlet pipe 41, a first pipe head 412 is fixedly arranged at the top end of the convex plate III 411, a top cover 42 is arranged at the top end of the first pipe head 412, a plurality of exhaust holes 421 are uniformly formed in the edge of the bottom end of the top cover 42, the exhaust holes 421 play a role in balancing the pressure of the tank body 1, and the pressure balance between the tank body 1 and the external environment can be maintained through the exhaust holes 421, so that the stable state inside and outside the tank body 1 is ensured; the bottom end of the top cover 42 is fixedly connected with a second tube head 422, and the first tube head 412 is in threaded connection with the second tube head 422;

the side wall of the box body 1 is fixedly provided with a liquid level meter 7, the liquid level meter 7 is used for measuring the height of hydraulic oil in the box body 1, and when the shortage of the hydraulic oil in the box body 1 is observed, the hydraulic oil is timely supplemented;

The inside fixedly connected with baffle 11 of box 1, baffle 11 are used for increasing fluid circulation distance, make fluid have sufficient time separation bubble, deposit impurity, the heat dissipation.

Example two

As shown in fig. 2, 4 and 5, on the basis of the above embodiment, the present embodiment further gives the following: a filter tube 43 is arranged below the oil inlet tube 41, a top ring is fixedly arranged at the top end of the filter tube 43, a convex plate IV 44 is sleeved outside the top end of the filter tube 43, a groove is formed in the middle of the convex plate IV 44, the top ring is positioned in the groove, the convex plate III 411 and the convex plate IV 44 are fixedly connected with the top end of the box body 1 through bolts, the oil inlet tube 41 and the filter tube 43 extend into the box body 1, and the oil inlet tube 41 is used for supplementing hydraulic oil into the box body 1;

In the above technical solution, the top cover 42 is screwed off to separate the top cover 42 from the oil inlet pipe 41, and the top opening of the oil inlet pipe 41 is exposed, so that hydraulic oil can be added into the tank 1 through the oil inlet pipe 41.

The oil return assembly 5 comprises an oil return pipe 51, a fifth convex plate 52 is fixedly connected to the bottom end of the oil return pipe 51, a sixth convex plate 53 is arranged below the oil return pipe 51, the sixth convex plate 53 is fixedly connected to the top end of the box body 1, the fifth convex plate 52 and the sixth convex plate 53 are fixedly connected through bolts, the oil return pipe 51 can be separated from the box body 1 by disassembling a plurality of bolts, and the oil return pipe 51 is convenient to disassemble.

Example III

As shown in fig. 1 to 3, on the basis of the above embodiment, the present embodiment further provides the following: further comprises: the filtering assembly 3 is positioned at one side far away from the oil return assembly 5, the filtering assembly 3 comprises an outer cylinder 31, the box body 1 is fixedly connected with the outer cylinder 31 through a fixing plate 9, the top end of the outer cylinder 31 is fixedly communicated with an oil suction pipe 2, an outer filter cylinder 32 and an inner filter cylinder 33 are fixedly arranged in the outer cylinder 31, the outer filter cylinder 32 is sleeved outside the inner filter cylinder 33, the outer filter cylinder 32 is used for filtering small particle impurities, the inner filter cylinder 33 is used for filtering large particle impurities, an oil flushing filter cylinder 35 is arranged below the outer cylinder 31, a three-way pipe 34 is fixedly communicated between the outer cylinder 31 and the oil flushing filter cylinder 35, the three-way pipe 34 comprises a first pipe body 341, a second pipe body 342 and a third pipe body 343, the first pipe body 341 is fixedly communicated with the box body 1, the second pipe body 342 is fixedly communicated with the outer cylinder 31, the third pipe body 343 is fixedly communicated with the oil flushing filter cylinder 35, an oil flushing inlet pipe 37 is fixedly arranged on the top end side wall of the outer cylinder 31, and an oil flushing filter cylinder 36 is fixedly arranged on the bottom end side wall of the oil flushing filter cylinder 35;

The valve body 8 is arranged on the oil suction pipe 2, the oil flushing inlet pipe 37, the three-way pipe 34 and the oil discharge pipe 6, and the valve body 8 on the three-way pipe 34 is positioned at the joint of the first pipe body 341, the second pipe body 342 and the third pipe body 343 of the three-way pipe 34;

the bottom fixedly connected with connecting plate one 311 of outer barrel 31, the top fixedly connected with connecting plate two 3421 of body two 342, through a plurality of bolt fastening between connecting plate one 311 and the connecting plate two 3421, the bottom fixedly connected with flange one 321 of outer section of thick bamboo 32, the bottom fixedly connected with flange two 331 of interior section of thick bamboo 33, flange one 321, flange two 331 pass through bolt and connecting plate two 3421 fixed connection, connecting pipe 3431 has been set firmly to the bottom of body three 343, threaded connection between connecting pipe 3431 and the oil flushing section of thick bamboo 35.

In the above technical scheme, in the use process of the hydraulic oil tank, the first tube 341 is communicated with the second tube 342, the valve body 8 on the oil suction tube 2 is opened, the valve body 8 on the oil flushing inlet tube 37 and the valve body 8 on the oil discharging tube 6 are closed, hydraulic oil flows into the outer cylinder 31 from the oil tank through the three-way pipe 34, is sequentially filtered by the inner filter cylinder 33 and the outer filter cylinder 32, is discharged to the outside of the outer cylinder 31 through the oil suction tube 2, and impurities are attached to the interiors of the outer filter cylinder 32 and the inner filter cylinder 33.

The working principle and the using flow of the utility model are as follows:

Cleaning the outer filter cartridge 32 and the inner filter cartridge 33:

The valve body 8 on the three-way pipe 34 is rotated to enable the second pipe body 342 to be communicated with the third pipe body 343, the valve body 8 on the oil suction pipe 2 and the valve body 8 on the oil discharge pipe 6 to be closed, the valve body 8 on the oil flushing inlet pipe 37 is opened, clean hydraulic oil is filled into the outer cylinder body 31 through the oil flushing inlet pipe 37, the clean hydraulic oil flows from the upper parts of the outer filter cylinder 32 and the inner filter cylinder 33 to the lower parts of the outer filter cylinder 32 and the inner filter cylinder 33, impurities in the outer filter cylinder 32 and the inner filter cylinder 33 are flushed into the oil flushing filter pipe, hydraulic oil in the oil flushing filter pipe flows out through the oil flushing outlet pipe 36, after the impurities in the outer filter cylinder 32 and the inner filter cylinder 33 are cleaned, the oil flushing inlet pipe 37 is stopped, the valve body 8 on the three-way pipe 34 is rotated to enable the first pipe 341 to be communicated with the second pipe body 342, the valve body 8 on the oil flushing inlet pipe 37 is closed, and the valve body 8 on the oil suction pipe 2 is opened, and the hydraulic oil tank can be continuously used.

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 the element.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (8)

1. The utility model provides a from straining hydraulic tank which characterized in that: including box (1), the fixed oil feed subassembly (4) that is equipped with in top of box (1), oil return subassembly (5), the bottom fixed intercommunication of box (1) has oil drain pipe (6), still includes:

The filter assembly (3), filter assembly (3) are located one side of keeping away from oil return subassembly (5), filter assembly (3) are including outer barrel (31), the fixed intercommunication in top of outer barrel (31) has oil suction pipe (2), outer section of thick bamboo (32) have been set firmly to the inside of outer barrel (31), interior section of thick bamboo (33) are strained to interior section of thick bamboo (32) cover, the below of outer barrel (31) is equipped with towards oily section of thick bamboo (35), fixed intercommunication has three-way pipe (34) between outer barrel (31) and towards oily section of thick bamboo (35), three-way pipe (34) include body one (341), body two (342), body three (343), body one (341) and box (1) fixed intercommunication, body two (342) and outer barrel (31) fixed intercommunication, body three (343) and towards oily section of thick bamboo (35) fixed intercommunication, be set firmly towards oily pipe (37) on the top lateral wall of outer barrel (31), towards oily section of thick bamboo (35) bottom lateral wall on set firmly towards oily section of thick bamboo (36).

2. A self-filtering hydraulic tank as defined in claim 1, wherein: the outer cylinder body is characterized in that a first connecting plate (311) is fixedly connected to the bottom end of the outer cylinder body (31), a second connecting plate (3421) is fixedly connected to the top end of the second pipe body (342), a plurality of bolts are used for fixing the first connecting plate (311) and the second connecting plate (3421), a first convex plate (321) is fixedly connected to the bottom end of the outer filter cylinder (32), a second convex plate (331) is fixedly connected to the bottom end of the inner filter cylinder (33), and the first convex plate (321) and the second convex plate (331) are fixedly connected with the second connecting plate (3421) through bolts.

3. A self-filtering hydraulic tank as defined in claim 2, wherein: the bottom end of the third pipe body (343) is fixedly provided with a connecting pipe (3431), and the connecting pipe (3431) is in threaded connection with the oil flushing filter cylinder (35).

4. A self-filtering hydraulic tank as defined in claim 3, wherein: the oil inlet assembly (4) comprises an oil inlet pipe (41), a protruding plate III (411) is fixedly connected to the top end of the oil inlet pipe (41), a first pipe head (412) is fixed to the top end of the protruding plate III (411), a top cover (42) is arranged on the top end of the first pipe head (412), a plurality of exhaust holes (421) are uniformly formed in the edge of the bottom end of the top cover (42), a second pipe head (422) is fixedly connected to the bottom end of the top cover (42), and the first pipe head (412) is in threaded connection with the second pipe head (422).

5. The self-filtering hydraulic tank as defined in claim 4, wherein: the filter tube (43) is arranged below the oil inlet tube (41), the convex plate IV (44) is sleeved outside the top end of the filter tube (43), the convex plate III (411) and the convex plate IV (44) are fixedly connected with the top end of the box body (1) through bolts, and the oil inlet tube (41) and the filter tube (43) extend into the box body (1).

6. The self-filtering hydraulic tank as defined in claim 5, wherein: the oil return assembly (5) comprises an oil return pipe (51), a fifth convex plate (52) is fixedly connected to the bottom end of the oil return pipe (51), a sixth convex plate (53) is arranged below the oil return pipe (51), the sixth convex plate (53) is fixedly connected to the top end of the box body (1), and the fifth convex plate (52) and the sixth convex plate (53) are fixedly connected through bolts.

7. The self-filtering hydraulic tank as defined in claim 6, wherein: valve bodies (8) are arranged on the oil suction pipe (2), the oil flushing inlet pipe (37), the three-way pipe (34) and the oil discharge pipe (6).

8. A self-filtering hydraulic tank as defined in claim 1, wherein: the liquid level meter (7) is fixedly arranged on the side wall of the box body (1), the partition plate (11) is fixedly connected inside the box body (1), and the box body (1) is fixedly connected with the outer cylinder body (31) through the fixing plate (9).