A steering oil tank capable of preventing leakage of steering oil

Abstract

The utility model relates to power steering oil tank technical field, concretely relates to a kind of steering oil tank that can prevent steering oil leakage, including tank body, filter assembly and the air plug assembly located in filter assembly side are equipped in tank body, air plug assembly is close to the side wall setting of tank body, air plug assembly includes the oil gauge that is set in the top wall of tank body and the rubber cap that is covered in the upper oil gauge, rubber cap is located tank body outside, lower air hole and upper air hole are respectively set in the upper oil gauge and rubber cap, air plug is equipped between oil gauge and rubber cap, air plug is inserted between lower air hole and upper air hole, protective cover is equipped in the outside of oil gauge in tank body, filter assembly includes filter core, elastic safety valve and connecting cover, oil outlet pipe and oil inlet pipe are equipped below filter core.The steering oil tank in the scheme is low in engineering cost, and the occurrence of steering oil tank internal steering oil oil leakage phenomenon can be prevented.

Claims

1. A power steering fluid reservoir capable of preventing power steering fluid leakage, comprising a reservoir body (1), characterized in that, The tank (1) is equipped with a filter assembly and a vent plug assembly located on the side of the filter assembly. The vent plug assembly is located near the side wall of the tank (1) and connected to the upper end of the tank (1). The vent plug assembly includes a dipstick (4) installed through the top wall of the tank (1) and a rubber cap (5) covering the dipstick (4). The rubber cap (5) is located on the outside of the tank (1). The dipstick (4) and the rubber cap (5) are respectively provided with a lower vent hole (6) and an upper vent hole (7). A vent plug (8) is provided between the dipstick (4) and the rubber cap (5) and the vent plug (8) is blocked between the lower vent hole (6) and the upper vent hole (7). The tank (1) is equipped with a protective cover (9) covering the outside of the dipstick (4).

2. The power steering fluid reservoir according to claim 1, characterized in that, The dipstick (4) includes a rod (10) and an upper platform (11) located at the upper end of the rod (10). A lower vent (6) is opened on the upper platform (11) and is set close to the rod (10). An upper receiving groove is opened in the rubber cap (5) and the outer circumferential end of the upper platform (11) is locked in the upper receiving groove (12). A middle receiving groove (13) is provided in the rubber cap (5) above the upper receiving groove (12) and the upper platform (11). A vent plug (8) is placed at the upper end of the upper platform (11) and is located in the middle receiving groove (13).

3. The power steering fluid reservoir according to claim 2, characterized in that, The upper end of the upper platform (11) is provided with a top platform (14) that abuts against the wall of the middle receiving groove (13), and an air gap (15) is left between the upper end of the top platform (14) and the upper end wall of the rubber cap (5).

4. The power steering fluid reservoir according to claim 3, characterized in that, The upper vent (7) is connected to the vent gap (15).

5. The power steering fluid reservoir according to claim 4, characterized in that, The top wall of the tank (1) is provided with a vent hole (16), and the upper end of the tank (1) is provided with a connecting cover (17) that communicates with the vent hole (16). The upper end platform (11) is located above the connecting cover (17). The rubber cap (5) is provided with a lower receiving groove (18) located below the upper receiving groove, and the upper end of the connecting cover (17) is inserted into the lower receiving groove (18).

6. The power steering fluid reservoir according to claim 5, characterized in that, The dipstick (4) is installed on the top wall of the tank (1) through the vent hole (16), and the protective cover (9) is located below the vent hole (16) and connected to the vent hole (16).

7. The power steering fluid reservoir according to claim 6, characterized in that, The protective cover (9) and the side wall of the tank body (1) together enclose the lower outer side of the dipstick (4), and the protective cover (9) is provided with a venting groove (19) along the vertical direction.

8. The power steering fluid reservoir according to claim 7, characterized in that, The dipstick (4) has multiple calipers (25) on its peripheral wall. The distance between the calipers (25) and the protective cover (9) is 0.25mm-0.55mm. The distance between the calipers (25) and the side wall of the tank (1) is 0.25mm-0.55mm.

9. The power steering fluid reservoir according to claim 8, characterized in that, The breathable plug (8) is made of PTFE porous material or PU foam material.

10. The power steering fluid reservoir according to claim 1, characterized in that, The filter assembly includes a filter element (20) and an elastic safety valve (21) connected to the upper end of the filter element (20). The elastic safety valve (21) is covered with a connecting cover (22) located on the outer side of the upper end of the tank body (1). The filter element (20) is provided with an oil outlet pipe (23) connected to the lower end of the tank body (1). The lower end of the tank body (1) is also provided with an oil inlet pipe (24) located on the side of the oil outlet pipe (23).

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