Hydraulic oil tank cover plate capable of preventing oil splashing

Abstract

The utility model relates to the technical field of hydraulic oil tank covers, and discloses an oil splashing prevention hydraulic oil tank cover plate which comprises a lower cover, a motor device is fixedly connected to the top of the lower cover, a rotary disc is movably connected to the inner side of the motor device, a pull block is movably connected to the interior of the rotary disc, and a breathing device is fixedly connected to the top of the rotary disc. By arranging the rotary disc, the pull block, the breathing device and the motor device, replacement of the filter element is facilitated, the motor device is started to drive the rotary disc to rotate, then the filter element on the other side of the interior of the motor device corresponds to the through groove, then an original control valve is closed, and the filter element can be conveniently replaced. When one control valve is opened, the other control valve is opened, air can be filtered through the other filter element, the original filter element can be taken out by unscrewing a bolt, the pull block can be taken out, the filter element in the original filter element can be replaced, and the original filter element can be replaced during normal work.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic oil tank covers, and more specifically to an anti-splashing hydraulic oil tank cover plate. Background Art

[0002] There is basically a hydraulic oil tank on the forklift. In the traditional forklift design, most of them are equipped with a respirator with air filtering function at the filling port of the hydraulic oil tank. Through this respirator, the pressure changes caused by the rise and fall of the liquid level inside the hydraulic oil tank when the hydraulic system is working can be balanced, and the air entering the hydraulic oil tank from the outside can be purified.

[0003] The shortcomings of the prior art: When the existing hydraulic oil tank cover is in use, a large amount of impurities will be present inside the filter element as it is used. In order to ensure its filtering effect, it needs to be replaced, but its replacement is relatively complicated, which is not conducive to the efficiency of replacement. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides an anti-splash hydraulic oil tank cover to solve the problems existing in the above-mentioned background technology.

[0005] The utility model provides the following technical solution: an oil splash-proof hydraulic oil tank cover plate, comprising a lower cover, the top of the lower cover is fixedly connected with a motor device, the inner side of the motor device is movably connected with a turntable, the inside of the turntable is movably connected with a pull block, the top of the turntable is fixedly connected with a breathing device, the outer side of the lower cover is fixedly connected with an upper plate, the pull block comprises a block body, one side of the block body is fixedly connected with a pull handle, the inside of the block body is movably connected with bolts, the outer side of the block body is fixedly connected with a sealing ring, and a filter element is placed inside the block body.

[0006] Preferably, the lower cover comprises a cover body, the inside of which is fixedly connected with an oil outlet pipe, an oil return pipe and a pressure relief pipe, a fixing groove is provided inside the cover body, a sealing gasket is fixedly connected to the top of the cover body, and through grooves are provided inside the cover body and the sealing gasket.

[0007] Preferably, the motor device comprises a limiting plate, a first gear is fixedly connected between the limiting plates, a rotating shaft is fixedly connected to the bottom of the first gear, and a motor body is fixedly connected to the bottom of the rotating shaft.

[0008] Preferably, the upper plate comprises a plate body, a tube groove is provided inside the plate body, and a rotation groove is provided in the middle of the plate body.

[0009] Preferably, the breathing device comprises a respirator, a connecting pipe is fixedly connected to the bottom of the respirator, a shunt pipe is fixedly connected to the bottom of the connecting pipe, and a control valve is fixedly connected to the outside of the shunt pipe.

[0010] Preferably, the turntable comprises a disc body, an air groove is provided inside the disc body, and a second gear is fixedly connected to the outer side of the disc body.

[0011] Technical effects and advantages of the utility model:

[0012] The utility model is convenient for replacing the filter element by providing a rotating disk, a pulling block, a breathing device and a motor device. When in use, the filter element on one side is located on the through groove and is connected to the air groove. By opening the corresponding control valve and closing the other, air can enter one side of the shunt pipe through the connecting pipe and then enter the air groove, and enter the through groove after being filtered by the filter element and then enter the oil tank. When the filter element has been used for a period of time, the motor device is started so that it can drive the rotating disk to rotate, so that the filter element on the other side inside it corresponds to the through groove, and then the original control valve is closed and the other control valve is opened so that air can be filtered through the other filter element. The original filter element can be taken out by unscrewing the bolts, so that the filter element inside it can be replaced, and then it can be fixed in the rotating disk again. It is convenient to use. When one filter element is filtering, the other filter element can be replaced, so that it can be replaced when the work can be carried out normally. It is convenient to replace and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0014] Figure 2 It is a schematic diagram of the overall structure of the lower cover of the utility model.

[0015] Figure 3 It is a schematic diagram of the overall structure of the motor device of the utility model.

[0016] Figure 4 It is a schematic diagram of the overall structure of the upper plate of the utility model.

[0017] Figure 5 It is a schematic diagram of the cross-sectional structure of the pull block and the turntable of the utility model.

[0018] The accompanying drawings are marked as follows: 1. lower cover; 101. cover body; 102. fixing groove; 103. oil outlet pipe; 104. oil return pipe; 105. pressure relief pipe; 106. through groove; 107. sealing gasket; 2. motor device; 201. limit plate; 202. first gear; 203. rotating shaft; 204. motor body; 3. upper plate; 301. plate body; 302. pipe groove; 303. rotating groove; 4. breathing device; 401. respirator; 402. connecting pipe; 403. control valve; 404. shunt pipe; 5. pull block; 501. block; 502. pull handle; 503. bolt; 504. sealing ring; 505. filter element; 6. turntable; 601. disk body; 602. air groove; 603. second gear. DETAILED DESCRIPTION

[0019] The following will clearly and completely describe the technical solution of the utility model in conjunction with the drawings in the utility model. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative. The anti-splash hydraulic oil tank cover involved in the utility model is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0020] The utility model provides an anti-splash oil hydraulic oil tank cover plate, comprising a lower cover 1, the top of the lower cover 1 is fixedly connected with a motor device 2, the inner side of the motor device 2 is movably connected with a turntable 6, the inside of the turntable 6 is movably connected with a pull block 5, the top of the turntable 6 is fixedly connected with a breathing device 4, the outer side of the lower cover 1 is fixedly connected with an upper plate 3, the pull block 5 comprises a block body 501, one side of the block body 501 is fixedly connected with a pull handle 502, the inside of the block body 501 is movably connected with a bolt 503, the outer side of the block body 501 is fixedly connected with a sealing ring 504, a filter element 505 is placed inside the block body 501, the pull block 5 can be moved inside the turntable 6, the pull block 5 can be pulled out by screwing out the bolt 503, and the filter element 505 is convenient to replace, and the sealing ring 504 is used for the sealing between the pull block 5 and the turntable 6.

[0021] Furthermore, the lower cover 1 includes a cover body 101, and the inside of the cover body 101 is fixedly connected with an oil outlet pipe 103, an oil return pipe 104 and a pressure relief pipe 105. A fixing groove 102 is provided inside the cover body 101, and a sealing gasket 107 is fixedly connected to the top of the cover body 101. The insides of the cover body 101 and the sealing gasket 107 are both provided with a through groove 106. The fixing groove 102 is used to fix it on the oil tank, the through groove 106 is used for the passage of air, the sealing gasket 107 is used for the sealing between it and the turntable 6 to prevent oil splashing, and the pressure relief pipe 105 is used to relieve the pressure of the oil tank.

[0022] Furthermore, the motor device 2 includes a limit plate 201, between which a first gear 202 is fixedly connected, a rotating shaft 203 is fixedly connected to the bottom of the first gear 202, and a motor body 204 is fixedly connected to the bottom of the rotating shaft 203. The limit plate 201 is used to limit the second gear 603, and has a certain downward pressure on it, so that it can be close to the sealing gasket 107 to ensure its sealing effect. The first gear 202 is meshed with the second gear 603. By starting the motor body 204, the rotating shaft 203 can drive the first gear 202 and the limit plate 201 to rotate, and then it can drive the second gear 603, so that the disc body 601 can rotate, and then another filter element 505 inside the turntable 6 can be aligned with the through groove 106, ensuring that the work can be carried out normally and no time is wasted due to the replacement of a single filter element 505.

[0023] Furthermore, the upper plate 3 includes a plate body 301 , a tube groove 302 is provided inside the plate body 301 , a rotation groove 303 is provided in the middle of the plate body 301 , the rotation groove 303 is used for the rotation of the connecting tube 402 , and the tube groove 302 is used for fixing the oil outlet pipe 103 and the oil return pipe 104 .

[0024] Furthermore, the breathing device 4 includes a respirator 401, a connecting pipe 402 is fixedly connected to the bottom of the respirator 401, a shunt pipe 404 is fixedly connected to the bottom of the connecting pipe 402, a control valve 403 is fixedly connected to the outside of the shunt pipe 404, the shunt pipe 404 is communicated with the connecting pipe 402, the left control valve 403 is opened and the right control valve 403 is closed, so that the air can flow down through the left side of the shunt pipe 404, the left control valve 403 is closed and the right control valve 403 is opened, so that the air can flow down through the right side of the shunt pipe 404, thereby facilitating the control of air filtering through different filter elements 505.

[0025] Furthermore, the turntable 6 includes a disk body 601 , an air groove 602 is provided inside the disk body 601 , a second gear 603 is fixedly connected to the outer side of the disk body 601 , and the air groove 602 is used for the passage of air.

[0026] The working principle of the utility model is as follows: when in use, the filter element 505 on one side is located on the through groove 106 and is connected to the air groove 602. By opening the corresponding control valve 403 and closing the other, air can enter one side of the shunt pipe 404 through the connecting pipe 402, and then enter the air groove 602, and enter the through groove 106 after being filtered by the filter element 505, and then enter the oil tank. After the filter element 505 has been used for a period of time, the motor device 2 is started so that it can drive the turntable 6 to rotate, so that the filter element 505 on the other side of the inside thereof is connected to the through groove. 106 corresponds, then close the original control valve 403, open another control valve 403, so that air can be filtered through another filter element 505, the original filter element 505 can be removed by unscrewing the bolt 503, so that the filter element 505 inside can be replaced, and then it can be fixed in the turntable 6 again, which is more convenient to use. When one filter element 505 is filtering, the other filter element 505 can be replaced, and it is ensured that the work can be carried out normally when it is replaced, and it is more convenient to replace, which is convenient for use.

[0027] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0028] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0029] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An anti-splash hydraulic oil tank cover plate, comprising a lower cover (1), characterized in that: The top of the lower cover (1) is fixedly connected to a motor device (2), the inner side of the motor device (2) is movably connected to a turntable (6), the inside of the turntable (6) is movably connected to a pull block (5), the top of the turntable (6) is fixedly connected to a breathing device (4), the outer side of the lower cover (1) is fixedly connected to an upper plate (3), the pull block (5) comprises a block body (501), one side of the block body (501) is fixedly connected to a pull handle (502), the inside of the block body (501) is movably connected to a bolt (503), the outer side of the block body (501) is fixedly connected to a sealing ring (504), and a filter element (505) is placed inside the block body (501).

2. The splash-proof hydraulic oil tank cover according to claim 1, characterized in that: The lower cover (1) comprises a cover body (101), an oil outlet pipe (103), an oil return pipe (104) and a pressure relief pipe (105) are fixedly connected inside the cover body (101), a fixing groove (102) is provided inside the cover body (101), a sealing gasket (107) is fixedly connected to the top of the cover body (101), and a through groove (106) is provided inside the cover body (101) and the sealing gasket (107).

3. The splash-proof hydraulic oil tank cover according to claim 1, characterized in that: The motor device (2) comprises a limiting plate (201), a first gear (202) is fixedly connected between the limiting plates (201), a rotating shaft (203) is fixedly connected to the bottom of the first gear (202), and a motor body (204) is fixedly connected to the bottom of the rotating shaft (203).

4. The splash-proof hydraulic oil tank cover according to claim 1, characterized in that: The upper plate (3) comprises a plate body (301), a tube groove (302) is provided inside the plate body (301), and a rotation groove (303) is provided in the middle of the plate body (301).

5. The splash-proof hydraulic oil tank cover according to claim 1, characterized in that: The breathing device (4) comprises a breathing apparatus (401), the bottom of the breathing apparatus (401) is fixedly connected to a connecting pipe (402), the bottom of the connecting pipe (402) is fixedly connected to a shunt pipe (404), and the outer side of the shunt pipe (404) is fixedly connected to a control valve (403).

6. The splash-proof hydraulic oil tank cover according to claim 1, characterized in that: The rotating disk (6) comprises a disk body (601), an air groove (602) is provided inside the disk body (601), and a second gear (603) is fixedly connected to the outer side of the disk body (601).

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