Splash-proof mechanism for oil filling port of hydraulic oil tank

Abstract

The splash-proof mechanism comprises an oil tank body, the top of the oil tank body is provided with a top plate, the top of the top plate is provided with a hydraulic assembly, the right side of the oil tank body is communicated with an oil outlet valve, and the top of the top plate is fixedly provided with a sliding rail and an oil filling port. The surface of the oil filling port is in threaded connection with a sealing cover, the surface of the sliding rail is slidably connected with a sliding block, and the top of the top plate is fixedly connected with a limiting plate. The L-shaped rod is moved to drive the vertical rod to the position above the sealing cover, then the vertical rod is rotated to enable the threaded face to be separated from the inner cavity of the L-shaped rod, at the moment, resilience force of the spring drives the vertical rod through the circular plate to apply downward pressure to the sealing cover, and therefore stability of connection between the sealing cover and the oil filling port is improved. Therefore, the purposes that the sealing cover is installed on the surface of the oil filling port and extruded to apply force, the sealing cover and the oil filling port are stably connected, and oil in an oil tank is prevented from overflowing are achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to hydraulic oil tank technical field, especially relate to a splashproof mechanism for hydraulic oil tank oil filler. BACKGROUND

[0002] Hydraulic system is an important component of engineering machinery, and plays an important role in the steering process of engineering machinery, for example, the working device and steering of the loader are driven by the hydraulic system, and the hydraulic system of such engineering machinery comprises a hydraulic oil tank, which is used to store hydraulic medium, such as hydraulic oil, and supply the medium to the hydraulic system components, and filter, defoam, precipitate and purify the hydraulic oil returned to the hydraulic oil tank.

[0003] In order to prevent the oil from overflowing, the oil filler of the hydraulic oil tank is provided with a cover, and the cover is threadedly connected with the oil filler. In actual use, the cover and the oil filler may be loose due to vibration generated during movement of the oil tank. At this time, the oil in the oil tank may overflow due to the loosening of the cover. Therefore, a splashproof mechanism for the oil filler of the hydraulic oil tank is needed, which can extrude and apply force to the installation of the cover on the surface of the oil filler, so that the cover is stably connected with the oil filler, thereby preventing the oil in the oil tank from overflowing. SUMMARY

[0004] The utility model discloses a splashproof mechanism for the oil filler of the hydraulic oil tank, which extrudes and applies force to the installation of the cover on the surface of the oil filler, so that the cover is stably connected with the oil filler, thereby preventing the oil in the oil tank from overflowing, to solve the technical problems raised in the above background.

[0005] The technical scheme for solving the above technical problems is as follows: a splashproof mechanism for the oil filler of the hydraulic oil tank, comprising an oil tank body: a top plate is arranged on the top of the oil tank body, a hydraulic assembly is installed on the top of the top plate, an oil outlet valve is communicated with the right side of the oil tank body, a slide rail and an oil filler are fixedly installed on the top of the top plate, a cover is threadedly connected with the surface of the oil filler, a slide block is slidably connected with the surface of the slide rail, a limiting plate is fixedly connected with the top of the top plate, an L-shaped rod is welded with the top of the slide block, a threaded hole block is integrally formed on the surface of the L-shaped rod, a threaded bolt rod is threadedly connected with the surface of the threaded hole block, a vertical rod is arranged through the top of the L-shaped rod, the bottom end of the vertical rod penetrates into the lower part of the L-shaped rod, a threaded surface is arranged on the surface of the vertical rod, a threaded hole is arranged on the top of the L-shaped rod, which is matched with the threaded surface, a circular plate is integrally formed on the surface of the vertical rod, and a spring is fixedly connected with the top of the circular plate.

[0006] Preferably, the oil tank body and the top plate are fixedly connected with a threaded bolt.

[0007] Preferably, the bottom of the oil tank body is provided with a roller.

[0008] Preferably, the bottom end of the bolt rod extends to the inside of the limiting plate, and the top of the limiting plate is provided with two symmetrical insertion holes matched with the bolt rod.

[0009] Preferably, the bottom end of the vertical rod is integrally formed with a pressing block.

[0010] Preferably, the top end of the vertical rod is welded with a handle block.

[0011] The beneficial effects of the present application are:

[0012] 1. The present application drives the vertical rod above the cover by moving the L-shaped rod, then rotates the vertical rod to make the threaded surface separate from the inner cavity of the L-shaped rod, at this time the spring rebound force drives the vertical rod to press the cover through the circular plate, thereby improving the stability of the connection between the cover and the oil filler port, which can achieve the purpose of extruding the cover on the surface of the oil filler port, so that the cover is stably connected with the oil filler port, thereby preventing the oil in the oil tank from spilling out.

[0013] 2. The present application is provided with a bolt, which is convenient for disassembling the oil tank body and the top plate, and is beneficial to the maintenance of the inner cavity of the oil tank body, thereby improving the convenience of disassembling the oil tank body and the top plate, and the structure is simple and economical.

[0014] 3. The present application is provided with a roller, which is convenient for moving the oil tank body, so that the friction between the oil tank body and the ground is small during movement, thereby improving the convenience of moving the oil tank body.

[0015] 4. The present application is provided with a pressing block, which increases the contact area between the bottom end of the vertical rod and the cover, and avoids the damage of the cover surface caused by the small force area of the bottom end of the vertical rod.

[0016] 5. The present application is provided with a handle block, which increases the force area of the top end of the vertical rod, and avoids the sliding of the hand-held part when the user directly holds the vertical rod and rotates it due to the small force area. BRIEF DESCRIPTION OF DRAWINGS

[0017] Among them:

[0018] Figure 1 The structure of an embodiment of the present application is shown in the figure;

[0019] Figure 2 An embodiment of the present application Figure 1 The local enlarged view of point A in the embodiment of the present application;

[0020] Figure 3A three-dimensional cross-sectional view of a sliding rail and a sliding block according to an embodiment of the present application is shown.

[0021] Figure 4 A three-dimensional view of a vertical rod and a threaded surface according to an embodiment of the present application is shown.

[0022] In the drawings, the components represented by the respective reference numerals are listed as follows.

[0023] 1, oil tank body, 2, top plate, 3, hydraulic assembly, 4, bolt, 5, oil outlet valve, 6, roller, 7, sliding rail, 8, oil filler, 9, cover, 10, sliding block, 11, limiting plate, 12, L-shaped rod, 13, threaded hole block, 14, bolt rod, 15, vertical rod, 16, threaded surface, 17, round plate, 18, spring, 19, pressing block, 20, handle block. DETAILED DESCRIPTION

[0024] Hereinafter, an embodiment of the splash-proof mechanism for the oil filler of the hydraulic oil tank of the present application will be described with reference to the drawings.

[0025] Embodiment one:

[0026] Figures 1-4 The splash-proof mechanism for the oil filler of the hydraulic oil tank according to an embodiment of the present application is shown, which comprises an oil tank body 1: the top of the oil tank body 1 is provided with a top plate 2, the top of the top plate 2 is provided with a hydraulic assembly 3, the oil tank body 1 and the top plate 2 are fixedly connected with a bolt 4, the setting of the bolt 4 facilitates the disassembly and assembly of the oil tank body 1 and the top plate 2, is conducive to the maintenance of the inner cavity of the oil tank body 1, thereby improving the convenience of disassembly and assembly between the oil tank body 1 and the top plate 2, and the structure is simple, economical and good, the right side of the oil tank body 1 is communicated with an oil outlet valve 5, the bottom of the oil tank body 1 is provided with a roller 6, the setting of the roller 6 facilitates the movement of the oil tank body 1, so that the friction between the oil tank body 1 and the ground during movement is small, and the convenience of movement of the oil tank body 1 is improved, the top of the top plate 2 is fixedly provided with a sliding rail 7 and an oil filler 8, the surface of the oil filler 8 is threadedly connected with a cover 9, the surface of the sliding rail 7 is slidably connected with a sliding block 10, the top of the top plate 2 is fixedly connected with a limiting plate 11, the top of the sliding block 10 is welded with an L-shaped rod 12, the surface of the L-shaped rod 12 is integrally formed with a threaded hole block 13, the surface of the threaded hole block 13 is threadedly connected with a bolt rod 14, the bottom end of the bolt rod 14 extends into the inside of the limiting plate 11, the top of the limiting plate 11 is provided with two symmetrical insertion holes which are adapted to the bolt rod 14, the top of the L-shaped rod 12 is provided with a vertical rod 15, the bottom end of the vertical rod 15 extends below the L-shaped rod 12, the surface of the vertical rod 15 is provided with a threaded surface 16, the top of the L-shaped rod 12 is provided with a threaded hole which is adapted to the threaded surface 16, the surface of the vertical rod 15 is integrally formed with a round plate 17, and the top of the round plate 17 is fixedly connected with a spring 18.

[0027] Embodiment two:

[0028] Figures 1-4 The splash-proof mechanism for the oil filler of the hydraulic oil tank shown in an embodiment of the utility model, it includes the oil tank body 1: the top of oil tank body 1 is provided with top plate 2, the top of top plate 2 is installed with hydraulic assembly 3, the right side of oil tank body 1 is communicated with oil outlet valve 5, the top of top plate 2 is fixedly installed with slide rail 7 and oil filler 8, the surface of oil filler 8 is threadedly connected with cover 9, the surface of slide rail 7 is slidably connected with sliding block 10, the top of top plate 2 is fixedly connected with limiting plate 11, the top of sliding block 10 is welded with L-shaped rod 12, the surface of L-shaped rod 12 is integrally formed with threaded hole block 13, the surface of threaded hole block 13 is threadedly connected with bolt rod 14, the top of L-shaped rod 12 is penetrated with vertical rod 15, the bottom end of vertical rod 15 penetrates to the below of L-shaped rod 12, the surface of vertical rod 15 is provided with screw surface 16, the top of L-shaped rod 12 is provided with the threaded hole matched with screw surface 16, the surface of vertical rod 15 is integrally formed with round plate 17, the top of round plate 17 is fixedly connected with spring 18, the bottom end of vertical rod 15 is integrally formed with pressing block 19, through the setting of pressing block 19, the area of vertical rod 15 bottom end and cover 9 contact is increased, the situation that the surface pressure of cover 9 is too large and cover 9 is damaged is avoided, the top end of vertical rod 15 is welded with handle block 20, through the setting of handle block 20, the stress area of vertical rod 15 top end is increased, the situation that the handheld place slides when the user directly holds vertical rod 15 and rotates is avoided.

[0029] Working principle: when the utility model is used, the user covers oil filler 8 through cover 9, then drives sliding block 10 to slide on the surface of oil filler 8 by L-shaped rod 12, then fixes screw hole block 13 and L-shaped rod 12 on the top of top plate 2 by the fixing between bolt rod 14 and limiting plate 11, then L-shaped rod 12 drives vertical rod 15 to the above of cover 9, then rotates vertical rod 15 to make screw surface 16 separate from the inner cavity of L-shaped rod 12, at this time, the resilience of spring 18 drives vertical rod 15 to press cover 9 through round plate 17, then the stability of the connection between cover 9 and oil filler 8 is improved, the installation of cover on the surface of oil filler is extruded and forced, cover is stably connected with oil filler, then the situation that the oil in the oil tank spills out is prevented.

[0030] In summary: the hydraulic oil tank filler anti-splash mechanism, through the movement of L-shaped rod 12 drive vertical rod 15 to the upper cover 9, then rotate vertical rod 15 so that the threaded surface 16 off L-shaped rod 12 cavity, at this time the spring 18 rebound force through the round plate 17 drive vertical rod 15 to the cover 9 to exert a downward pressure, and then make the cover 9 and the filler 8 between the connection stability can be improved, namely can reach the cover on the surface of the filler installation to extrusion force, so that the cover can be and the filler between the stable connection, and then prevent the oil tank oil spill purposes.

Claims

1. A splash-proof mechanism for the filler neck of a hydraulic oil tank, characterized in that, The application relates to an oil tank body (1), which comprises a top plate (2) arranged at the top of the oil tank body (1), a hydraulic assembly (3) arranged at the top of the top plate (2), an oil outlet valve (5) communicated with the right side of the oil tank body (1), a sliding rail (7) and a refueling port (8) fixedly arranged at the top of the top plate (2), a cover (9) threadedly connected to the surface of the refueling port (8), a sliding block (10) slidably connected to the surface of the sliding rail (7), a limiting plate (11) fixedly connected to the top of the top plate (2), an L-shaped rod (12) welded to the top of the sliding block (10), a threaded hole block (13) integrally formed on the surface of the L-shaped rod (12), a bolt rod (14) threadedly connected to the surface of the threaded hole block (13), a vertical rod (15) penetrating through the top of the L-shaped rod (12), the bottom end of the vertical rod (15) penetrating through the lower portion of the L-shaped rod (12), a threaded surface (16) arranged on the surface of the vertical rod (15), a threaded hole arranged on the top of the L-shaped rod (12) and matched with the threaded surface (16), a circular plate (17) integrally formed on the surface of the vertical rod (15), and a spring (18) fixedly connected to the top of the circular plate (17).

2. The splash-proof mechanism for a filler neck of a hydraulic oil tank according to claim 1, characterized by The oil tank body (1) and the top plate (2) are fixedly connected through a bolt (4).

3. The splash-proof mechanism for a filler neck of a hydraulic oil tank according to claim 2, characterized by A rolling wheel (6) is arranged at the bottom of the oil tank body (1).

4. The splash-proof mechanism for a filler neck of a hydraulic oil tank according to claim 3, characterized by The bottom end of the bolt rod (14) extends into the limiting plate (11), and two symmetrical insertion holes matched with the bolt rod (14) are arranged at the top of the limiting plate (11).

5. The splash-proof mechanism for a filler neck of a hydraulic oil tank according to claim 4, characterized by A pressing block (19) is integrally formed at the bottom end of the vertical rod (15).

6. The splash-proof mechanism for a filler neck of a hydraulic oil tank according to claim 5, characterized by A handle block (20) is welded to the top end of the vertical rod (15).

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