阅读说明：本技术 一种低液面液压吸油过滤器 (Low liquid level hydraulic oil absorption filter ) 是由 黄康容 于 2020-12-09 设计创作，主要内容包括：本发明提供一种低液面液压吸油过滤器,其结构包括：连接板、出油孔、上盖、进油装置、机身、散气孔,连接板内环通过焊接连接在机身的外环,出油孔通过螺栓连接在机身的左侧,上盖通过螺纹配合在机身的上方,进油装置左侧通过螺栓连接在机身的右侧,散气孔与机身为一体化结构,本发明通过在油温过高时,水银会遇热膨胀,从而带动挡板移动,使得冷却管相通,随着冷却液的减少,浮球向下移动,能够启动抽水泵,使得冷却液能够在冷却管中循环使用,温度降低时,挡板将对冷却管进行分割,使得冷却液存放在冷却装置内,且抽水泵会停止工作,从而完成对油的冷却,避免油温过高导致滤网变形,滤芯被损坏的问题。(The invention provides a low liquid level hydraulic oil absorption filter, which structurally comprises: the invention relates to a fuel oil pump, which comprises a connecting plate, an oil outlet, an upper cover, an oil inlet device, a machine body and a gas diffusion hole, wherein the inner ring of the connecting plate is connected to the outer ring of the machine body through welding, the oil outlet is connected to the left side of the machine body through a bolt, the upper cover is matched above the machine body through threads, the left side of the oil inlet device is connected to the right side of the machine body through a bolt, and the gas diffusion hole and the machine body are of an integrated structure. Thereby driving the baffle to move, leading the cooling pipes to be communicated, leading the floating ball to move downwards along with the reduction of the cooling liquid, starting the water suction pump, so that the cooling liquid can be recycled in the cooling pipe, when the temperature is reduced, the baffle plate can divide the cooling pipe, the cooling liquid is stored in the cooling device, and the water suction pump can stop working, thereby accomplish the cooling to oil, avoid the too high filter screen deformation that leads to of oil temperature, the impaired problem of filter core.)

1. A low liquid level hydraulic oil suction filter structurally comprises: connecting plate (1), oil outlet (2), upper cover (3), oil feed device (4), fuselage (5), scattered gas pocket (6), the outer loop of welded connection in fuselage (5) is passed through to connecting plate (1) inner ring, oil outlet (2) are through bolted connection in the left side of fuselage (5), upper cover (3) are through the top of screw-thread fit in fuselage (5), bolted connection is passed through on the right side of fuselage (5) in oil feed device (4) left side, scattered gas pocket (6) and fuselage (5) structure as an organic whole, its characterized in that:

the oil inlet device (4) comprises an oil inlet pipe (41), a cooling device (42), a cooling pipe (43), a fixing plate (44) and a check valve (45), the two ends of the oil inlet pipe (41) are fixedly embedded in the fixing plate (44), the cooling pipe (43) is located between the cooling device (42), the cooling pipe (43) is wound on the outer ring of the oil inlet pipe (41), the fixing plate (44) is connected to the two sides of the cooling device (42) through bolts, and the check valve (45) is connected to the cooling pipe (43) through flanges.

2. The low level hydraulic oil absorption filter of claim 1 wherein: the cooling device (42) comprises a movable block (a 1), a buckle (a 2), a connecting rod (a 3), a movable rod (a 4), a switch (a 5), a water pump (a 6), a moving device (a 7), a string (a 8) and a floating ball (a 9), the right lower part of the movable block (a 1) is fixedly connected above the connecting rod (a 3) through a bolt, the right side of the buckle (a 2) is movably clamped at the left end of the movable block (a 1), the lower part of the connecting rod (a 3) is connected with the upper part of the floating ball (a 9) through a bolt, the right lower part of the moving rod (a 4) is fixed above the switch (a 5) through a bolt, the lower part of the switch (a 5) is movably clamped above the water pump (a 6), the moving device (a 7) is fixedly connected to the upper left of the lower part of the string (a 8), the upper part of the string (a 8) is fixedly connected below the floating ball (a 9).

3. The low level hydraulic oil absorption filter of claim 2 wherein: the moving device (a 7) comprises mercury (b 1), a baffle (b 2) and a sleeve (b 3), wherein the mercury (b 1) is located between the baffle (b 2) and the sleeve (b 3), the baffle (b 2) is embedded in the sleeve (b 3), and the left end of the baffle (b 2) is attached to the inner wall of the sleeve (b 3).

4. The low level hydraulic oil absorption filter of claim 1 wherein: upper cover (3) are including connecting rod (31), a magnet (32), bracing piece (33), thermal expansion piece (34), folding device (35), spring (36), telescoping device (37), bolt fixed connection is passed through in the below of folding device (35) in the upper end of connecting rod (31), the below of adhesive connection in bracing piece (33) is passed through to the top of a magnet (32), bracing piece (33) top is in the below of passing through glue bonding at thermal expansion piece (34), bolted connection is passed through in the below of connecting rod (31) in the top of spring (36), telescoping device (37) passes through bolted connection in the centre of connecting rod (31).

5. The low level hydraulic oil absorption filter of claim 4 wherein: folding device (35) include telescopic link (c 1), No. two magnet (c 2), disc (c 3), telescopic link (c 1) are connected in the inboard of disc (c 3) through the interference, No. two magnet (c 2) are through the centre of bolt fixed connection in disc (c 3).

6. The low level hydraulic oil absorption filter of claim 4 wherein: telescoping device (37) are including pivot (d 1), stationary blade (d 2), screw hole (d 3), filter screen (d 4), blade (d 5), pivot (d 1) are through the activity block in the centre of stationary blade (d 2), stationary blade (d 2) carry out threaded connection through screw hole (d 3) and blade (d 5), filter screen (d 4) are connected on blade (d 5) through inlaying.

Technical Field

The invention relates to the field of hydraulic equipment, in particular to a low-liquid-level hydraulic oil absorption filter.

Background

The oil absorption filter is installed in the oil pump oil suction mouth department, be used for protecting hydraulic component, avoid inhaling inside impurity oil feed pump, because the filter screen in the filter adopts the netted preparation of metal to form, when using, inhale the oil in the filter, the oil temperature is too high or when exceeding melting point temperature, can lead to the filter screen to warp, thereby impurity that is mingled with in the oil can destroy the filter core, thereby reduce filterable effect, and the too high filter inflation that also can lead to of oil temperature, destroy the cooperation of part in the filter, lead to taking place the jam problem in the filter.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a low-liquid-level hydraulic oil absorption filter, so that when the filter is used, oil in the filter is sucked, and when the oil temperature is too high or exceeds the melting point temperature, a filter screen is deformed, so that impurities mixed in the oil can damage a filter element, the filtering effect is reduced, and the filter expands due to too high oil temperature, the matching of parts in the filter is damaged, and the problem of blockage in the filter is caused.

In order to achieve the purpose, the invention is realized by the following technical scheme: a low liquid level hydraulic oil suction filter structurally comprises: the oil inlet device comprises a connecting plate, an oil outlet hole, an upper cover, an oil inlet device, a machine body and an air diffusing hole, wherein an inner ring of the connecting plate is connected to an outer ring of the machine body through welding;

the oil inlet device comprises an oil inlet pipe, a cooling device, a cooling pipe, a fixing plate and a one-way valve, wherein two ends of the oil inlet pipe are fixedly connected with the fixing plate in an embedded mode, the cooling pipe is located between the cooling device, the cooling pipe is wound on an outer ring of the oil inlet pipe, the fixing plate is connected to two sides of the cooling device through bolts, the one-way valve is connected to the cooling pipe through a flange, and the cooling pipe is designed in a spiral mode.

As preferred, cooling device includes movable block, buckle, connecting rod, carriage release lever, switch, suction pump, mobile device, string, floater, bolt fixed connection is passed through in movable block right side below the top of connecting rod, the buckle right side is through the left end of activity block of activity block, bolted connection is passed through in the top of floater in the connecting rod below, bolted connection is passed through in the top of switch in movable block right side below, the top at the suction pump is passed through to the switch below, fixed connection is passed through in the mobile device upper left side below at the string, fixed connection is passed through in the below of floater in the string top, spherical design is adopted in the left side of movable block, the floater adopts the solid plastics floater of material.

Preferably, the moving device comprises mercury, a baffle plate and a sleeve, the mercury is located between the baffle plate and the sleeve, the baffle plate is embedded in the sleeve, the left end of the baffle plate is attached to the inner wall of the sleeve, and the baffle plate is in a T-shaped design rotating 90 degrees anticlockwise.

As preferred, the upper cover includes connecting rod, a magnet, bracing piece, thermal expansion piece, folding device, spring, telescoping device, bolt fixed connection is passed through in folding device's below in the upper end of connecting rod, the below of adhesive connection at the bracing piece is passed through to a magnet's top, the bracing piece top is in the below at the thermal expansion piece through the glue bonding, bolted connection is passed through in the below of connecting rod in the top of spring, the telescoping device passes through bolted connection in the centre of connecting rod, the connecting rod is equipped with six altogether, is the tilting design.

Preferably, folding device includes telescopic link, No. two magnet, disc, the telescopic link passes through the interference and connects in the inboard of disc, No. two magnet passes through bolt fixed connection in the centre of disc, there is the repulsion cooperation between No. two magnet and the magnet.

Preferably, the telescoping device includes pivot, stationary blade, screw hole, filter screen, blade, the pivot is through the centre of activity block at the stationary blade, the stationary blade carries out threaded connection through screw hole and blade, the filter screen is connected on the blade through the embedment, the filter screen adopts the HEPA filter screen.

Compared with the prior art, the invention has the following advantagesAdvantageous effects：

According to the invention, when the oil temperature is too high, mercury can be subjected to thermal expansion to drive the baffle to move, so that the cooling pipes are communicated, the floating ball moves downwards along with the reduction of the cooling liquid, the water suction pump can be started, so that the cooling liquid can be recycled in the cooling pipes, when the temperature is reduced, the baffle can divide the cooling pipes, so that the cooling liquid is stored in the cooling device, and the water suction pump can stop working, so that the oil is cooled, and the problems that the filter screen is deformed and the filter element is damaged due to the too high oil temperature are solved.

When the temperature in the filter rises, the thermal expansion block assembled in the filter is thermally expanded to push the magnet to move downwards, so that the connecting rod is pushed, the blades are opened, the inside is cooled, the phenomenon that the temperature of oil is increased, the internal parts expand due to overhigh oil temperature, the matching between the parts is damaged, and the blockage phenomenon occurs.

Drawings

Fig. 1 is a schematic structural diagram of a low liquid level hydraulic oil absorption filter according to the invention.

Fig. 2 is a schematic structural diagram of an oil inlet device according to the present invention.

Fig. 3 is a schematic cross-sectional structure of a cooling device of the present invention.

Fig. 4 is a partially enlarged schematic view of a cooling device according to the present invention.

FIG. 5 is a schematic view of a structure of an upper cover according to the present invention

FIG. 6 is a schematic top cross-sectional view of a retractable device according to the present invention

FIG. 7 is a schematic cross-sectional view of a folding device of the present invention when deployed

In the figure: the device comprises a connecting plate-1, an oil outlet-2, an upper cover-3, an oil inlet device-4, a machine body-5, an air dispersing hole-6, an oil inlet pipe-41, a cooling device-42, a cooling pipe-43, a fixing plate-44, a one-way valve-45, a movable block-a 1, a buckle-a 2, a connecting rod-a 3, a movable rod-a 4, a switch-a 5, a water pump-a 6, a moving device-a 7, a string-a 8, a floating ball-a 9, mercury-b 1, a baffle-b 2, a sleeve-b 3, a connecting rod-31, a first magnet-32, a supporting rod-33, a thermal expansion block-34, a folding device-35, a spring-36, a telescopic device-37, a telescopic rod-c 1, a second magnet-c 2, a disc-c 3, Shaft-d 1, fixing piece-d 2, threaded hole-d 3, filter screen-d 4 and blade-d 5.

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.

Example 1

As shown in figures 1 to 4:

the invention provides a low liquid level hydraulic oil absorption filter, which structurally comprises: the oil-gas separation device comprises a connecting plate 1, an oil outlet 2, an upper cover 3, an oil inlet device 4, a machine body 5 and a gas diffusion hole 6, wherein the inner ring of the connecting plate 1 is connected to the outer ring of the machine body 5 through welding, the oil outlet 2 is connected to the left side of the machine body 5 through a bolt, the upper cover 3 is matched above the machine body 5 through threads, the left side of the oil inlet device 4 is connected to the right side of the machine body 5 through a bolt, and the gas diffusion hole 6 and the machine body 5 are of an integrated structure;

the oil inlet device 4 comprises an oil inlet pipe 41, a cooling device 42, a cooling pipe 43, a fixing plate 44 and a check valve 45, wherein two ends of the oil inlet pipe 41 are fixedly embedded in the fixing plate 44, the cooling pipe 43 is arranged between the cooling device 42, the cooling pipe 43 is wound on the outer ring of the oil inlet pipe 41, the fixing plate 44 is connected to two sides of the cooling device 42 through bolts, the check valve 45 is connected to the cooling pipe 43 through a flange, the cooling pipe adopts a spiral design, the contact area of the cooling pipe and the oil inlet pipe 41 is increased, and oil entering the oil inlet pipe 41 can be effectively cooled.

The cooling device 42 comprises a movable block a1, a buckle a2, a connecting rod a3, a movable rod a4, a switch a5, a water pump a6, a moving device a7, a string a8 and a floating ball a9, wherein the right lower part of the movable block a1 is fixedly connected above the connecting rod a3 through a bolt, the right side of the buckle a2 is movably clamped at the left end of the movable block a1, the lower part of the connecting rod a3 is connected above the floating ball a9 through a bolt, the right lower part of the movable rod a4 is fixed above the switch a5 through a bolt, the lower part of the switch a5 is movably clamped above the water pump a6, the left upper part of the moving device a7 is fixedly connected below the string a8, the upper part of the string a8 is fixedly connected below the floating ball a9, the left side of the movable block is designed in a spherical shape, and the floating ball is made of solid plastics and can resist corrosion and has a long service life.

The moving device a7 comprises mercury b1, a baffle b2 and a sleeve b3, the mercury b1 is located between the baffle b2 and the sleeve b3, the baffle b2 is embedded in the sleeve b3, the left end of the baffle b2 is attached to the inner wall of the sleeve b3, the baffle is in a T-shaped design rotating 90 degrees anticlockwise, and can move in the sleeve b3 to avoid the outflow of cooling liquid.

The specific use mode and function of the embodiment are as follows:

in the invention, when the oil temperature is too high, mercury b1 is subjected to thermal expansion, so that baffle b2 is driven to move leftwards in sleeve b3, cooling pipe 43 is communicated, floating ball a9 moves downwards along with the reduction of cooling liquid, movable block a1 is driven to move downwards, movable rod a4 is pulled to move downwards, switch a5 of water pump a6 is opened, water pump a6 starts to work, cooling liquid can be recycled in cooling pipe 43, mercury b1 contracts when the temperature is reduced, baffle b2 moves rightwards, cooling pipe 43 is divided, cooling liquid is stored in cooling device 42, floating ball a9 moves upwards along with the increase of cooling liquid, water pump a6 stops working, cooling of oil is finished, and the problem that the filter screen is deformed due to the fact that the oil temperature is too high, and the filter element is damaged is avoided.

Example 2

As shown in fig. 5 to 7:

the invention provides a low-liquid-level hydraulic oil absorption filter, wherein an upper cover 3 comprises a connecting rod 31, a first magnet 32, a supporting rod 33, a thermal expansion block 34, a folding device 35, a spring 36 and a telescopic device 37, the upper end of the connecting rod 31 is fixedly connected below the folding device 35 through a bolt, the upper end of the first magnet 32 is connected below the supporting rod 33 through bonding, the upper end of the supporting rod 33 is bonded below the thermal expansion block 34 through glue, the upper end of the spring 36 is connected below the connecting rod 31 through a bolt, the telescopic device 37 is connected in the middle of the connecting rod 31 through a bolt, the connecting rod is provided with six connecting rods, the inclined type design is adopted, the six connecting rods can be movably clamped with the upper cover 3, and the folding device 35 can be unfolded.

The folding device 35 comprises a telescopic rod c1, a second magnet c2 and a disc c3, wherein the telescopic rod c1 is connected to the inner side of the disc c3 through interference, the second magnet c2 is fixedly connected to the middle of the disc c3 through a bolt, and the second magnet and the first magnet are in repulsive force fit, so that the first magnet 32 can drive the second magnet c2 to move.

Wherein, telescoping device 37 includes pivot d1, stationary blade d2, screw hole d3, filter screen d4, blade d5, pivot d1 is through the activity block in the centre of stationary blade d2, stationary blade d2 carries out threaded connection through screw hole d3 and blade d5, filter screen d4 is through inlaying the solid connection on blade d5, the filter screen adopts the HEPA filter screen, and the air can pass through, but tiny particle is unable to pass through, can avoid inside the impurity entering filter.

The specific use mode and function of the embodiment are as follows:

in the invention, when the temperature in the filter rises, the thermal expansion block 34 assembled in the filter expands by heating to push the first magnet 32 to move downwards, and because the first magnet 32 and the second magnet c2 are mutually exclusive matched, the second magnet c2 drives the telescopic rod c1 to move downwards, so as to drive the connecting rod 31 to move downwards and extrude the spring 36, so that the blade d5 is unfolded, so that ventilation and heat dissipation are performed on the inside through the filter screen d4 on the blade d5, the temperature increase of oil can be avoided, the internal parts expand due to overhigh oil temperature, the matching between the parts is damaged, and the blockage phenomenon occurs, and after the temperature drops, the thermal expansion block 34 contracts, so that the first magnet 32 moves upwards, the spring 36 restores the original state, and the blade d5 is folded, so that impurities are prevented from entering the inside of the equipment.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.