Fuel tank tap for parking heater

Abstract

The utility model provides an oil tank oil extractor for a parking heater, comprising: an oil tank (1), a support pipe (2), and an oil extractor (3); the support pipe (2) is located in the oil tank (1), the hollow interior of the support pipe (2) is provided with the oil extractor (3), a ferrule joint (4) is provided at one axial end of the support pipe (2), and a locking stud (7) is provided at the other axial end of the support pipe (2); a ferrule nut (5) is provided above the ferrule joint (4), and a spacing is left between the ferrule joint (4) and the ferrule nut (5) when they are screwed together and tightened, and a first cavity (6) is formed; a locking nut (8) is provided above the locking stud (7), and a spacing is left between the locking stud (7) and the locking nut (8) when they are screwed together and tightened, and a second cavity (9) is formed. The utility model can effectively solve the oil leakage problem existing when the existing oil extractor and the oil filter independent components are not connected in place.

Description

Technical Field

[0001] The utility model relates to an oil tank oil extractor for a parking heater. Background Art

[0002] As parking heater related products enter people's lives, related products can not only solve the problems of difficult cold start of vehicles, high emissions and severe wear during low-temperature start, but also improve the comfort of drivers and passengers. During the use of fuel parking heaters, a stable oil extraction system is also required to ensure continuous heating. In order to ensure the quality of the oil entering the heater, the oil filter is an indispensable component. At present, the fuel tank oil extraction pipe and the oil filter are independent components. When connecting the heater oil supply line, many additional connecting parts and seals need to be added. If the connection is not in place, there will be oil leakage. This connection method will have safety hazards and stable and continuous oil supply. Summary of the invention

[0003] The utility model aims to provide an oil tank oil extractor for a parking heater which has integrated high efficiency and continuous and stable oil supply. The technical scheme of the utility model is: an oil tank oil extractor for a parking heater, comprising: an oil tank (1), a support tube (2), and an oil extracting tube (3); wherein the support tube (2) is located in the oil tank (1), the hollow interior of the support tube (2) is provided with the oil extracting tube (3), a ferrule joint (4) is provided at one axial end of the support tube (2), a locking stud (7) is provided at the other axial end of the support tube (2), the ferrule joint (4) is sleeved in a first opening (101) on the oil tank (1); a ferrule nut (5) is provided above the ferrule joint (4), the ferrule joint (4) and the ferrule nut (5) are connected by threads, a spacing is left between the ferrule joint (4) and the ferrule nut (5) to form a first cavity (6), the first ferrule (62) is located in the cavity (6) and sleeved on the outer side of one end of the oil extracting tube (3); a locking nut (8) is provided above the locking stud (7), the locking stud (7) and The locking nut (8) is connected by threads, a spacing is left between the locking stud (7) and the locking nut (8) to form a second cavity (9), the second ferrule (92) is located in the cavity (9) and is sleeved on the outside of the other end of the oil extraction pipe (3); the contact surface between the upper end of the first ferrule (62) and the ferrule nut (5) is a first conical surface (61), and the contact surface between the lower end of the first ferrule (62) and the ferrule joint (4) is a second conical surface (63); the second The contact surface between the upper end of the ferrule (92) and the locking nut (8) is a third conical surface (91), and the contact surface between the lower end of the second ferrule (92) and the locking stud (7) is a fourth conical surface (93); the filter screen (11) is fixed below the locking stud (7), a boss (41) is provided at the bottom end of the ferrule joint (4), a sealing gasket (13) is sleeved on the ferrule joint (4), and a locking nut (12) is provided between the ferrule nut (5) and the sealing gasket (13).

[0004] The lower end face of the sealing gasket (13) having a sealing function contacts the outer side face of the oil tank (1); a spring sheet (15) is provided between the fixing nut (12) and the sealing gasket (13); the locking gasket (15) is fixed to a boss (41) provided at the bottom end of the ferrule joint (4); the upper end face of the locking gasket (15) contacts the inner side face of the oil tank (1); a plurality of adjusting washers (16) are provided above the locking gasket (15); the plurality of adjusting washers (16) are sleeved on the ferrule joint (4); the fixing nut (12) and the ferrule joint (4) are screwed together to fix the sealing gasket (13) and the locking gasket (15) through threaded connection.

[0005] The oil tank (1) is provided with an oil tank cover (10), the ferrule joint (4) is sleeved in a second opening (102) on the oil tank cover (10), the sealing gasket (13) is fixed on a boss (41) provided at the bottom end of the ferrule joint (4), the upper end surface of the sealing gasket (13) is in contact with the inner side surface of the oil tank cover (10) provided on the oil tank (1), and the fixing nut (12) and the ferrule joint (4) are screwed together to fix the sealing gasket (13) and the oil tank cover (10) through threaded connection.

[0006] The working principle of this utility model:

[0007] The utility model integrates an oil extraction pipe (3) and a filter (11) to form an oil extraction device, and inserts the oil extraction device into an opening added to the oil tank (1) and fixes it in the oil tank (1). When the oil supply pipeline parts such as the oil pump are connected to the fuel parking heater, the oil pump is started to extract the fuel in the fuel tank (1), and the fuel first passes through the filter (11) to filter out impurities. The purified fuel then passes through the oil extraction pipe (3) and finally flows into the combustion chamber of the fuel parking heater, so as to provide continuous and stable combustion and heating.

[0008] Technical effects of this utility model:

[0009] The utility model has the following beneficial effects:

[0010] 1. The oil extractor utilizes an oil extraction pipe (3) to be sleeved in a hollow support pipe (2), and then respectively utilizes a ferrule joint (4) and a ferrule nut (5) provided at the other axial end of the support pipe (2) to be threadedly connected, a spacing is left between the ferrule joint (4) and the ferrule nut (5) to form a first cavity (6), a first ferrule (62) is located in the cavity (6) and sleeved on the outer side of one end of the oil extraction pipe (3); and a locking stud (7) and a locking nut (8) provided at the other axial end of the support pipe (2) are threadedly connected, a spacing is left between the locking stud (7) and the locking nut (8) to form a second cavity (9), and a second ferrule (92) is located in the cavity (6) and sleeved on the outer side of one end of the oil extraction pipe (3). The fuel tank (1) is provided with a fixed filter screen (11) below the locking stud (7) in the fuel tank (1) to filter out impurities in the fuel, so that the fuel flowing through the fuel extractor is always fuel without impurities, thereby ensuring the integrity of the fuel supply pipeline and the filter device of the fuel parking heater, and also ensuring the stability and continuity of the fuel supply system.

[0011] 2. An opening (101) is added on the surface of the oil tank (1), and then the ferrule joint (4) is sleeved in the first opening (101), and the locking gasket (15) is passed through the opening (101) to be fixed on the boss (41) provided at the bottom end of the ferrule joint (4), the upper end surface of the locking gasket (15) contacts the inner side surface of the oil tank (1), and the lower end surface of the sealing gasket (13) that has a sealing function contacts the outer side surface of the oil tank (1), and the sealing gasket (13) is sleeved on the ferrule joint (4), and the locking gasket (13) and the locking gasket (15) are screwed and fixed on the oil tank (1) by threading the locking nut (12) and the ferrule joint (4). The spring sheet (14) between the locking nut (12) and the sealing gasket (13) and the multiple adjustment washers (16) above the locking gasket (15) are arranged to ensure the sealing of the oil tank opening (101) and to prevent leakage and improve safety. When it is found that the oil supply effect of the oil supply pipeline is not good, the filtering effect can be restored by removing the locking nut (12), taking out the oil extractor from the oil tank and flushing the filter (11).

[0012] 3. An opening (102) is added to the surface of the fuel tank cap (10), and then the ferrule joint (4) is sleeved in the first opening (102), and the sealing gasket (13) is sleeved on the ferrule joint (4). The sealing gasket (13) for sealing is fixed on the boss (41) provided at the bottom end of the ferrule joint (4), and the upper end surface of the sealing gasket (13) contacts the inner side surface of the fuel tank cap (10). The sealing gasket (13) is screwed and fixed to the fuel tank cap (10) by threading the fixing nut (12) and the ferrule joint (4), so as to ensure the sealing of the fuel tank cap opening (102) and avoid leakage to improve safety. When it is found that the fuel supply effect of the fuel supply pipeline is not good, the fuel tank cap (10) with the oil extractor can be unscrewed from the fuel tank (1), and the filter screen (11) can be flushed to restore the filtering effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall cross-sectional structure of the opening on the surface of the oil tank in the embodiment of the utility model;

[0014] Figure 2 It is a schematic diagram of the overall cross-sectional structure of the opening on the fuel tank cover in the embodiment of the utility model; DETAILED DESCRIPTION

[0015] See also Figure 1 The embodiment of the utility model provides an oil tank oil extractor for a parking heater, comprising: an oil tank 1, a support tube 2, and an oil extracting tube 3; wherein the support tube 2 is located in the oil tank 1, and the oil extracting tube 3 is provided in the hollow interior of the support tube 2, a ferrule joint 4 is provided at one axial end of the support tube 2, and a locking stud 7 is provided at the other axial end of the support tube 2, and the ferrule joint 4 is sleeved in a first opening 101 on the oil tank 1; a ferrule nut 5 is provided above the ferrule joint 4, and the ferrule joint 4 and the ferrule nut 5 are connected by threads, and a spacing is left between the ferrule joint 4 and the ferrule nut 5 to form a first cavity 6, and the first ferrule 62 is located in the cavity 6 and sleeved on the outer side of one end of the oil extracting tube 3; a locking nut 8 is provided above the locking stud 7, and the locking stud 7 and The locking nut 8 is connected by threads, and a spacing is left between the locking stud 7 and the locking nut 8 to form a second cavity 9. The second ferrule 92 is located in the cavity 9 and is sleeved on the outer side of the other end of the oil extraction pipe 3; the contact surface between the upper end of the first ferrule 62 and the ferrule nut 5 is a first conical surface 61, and the contact surface between the lower end of the first ferrule 62 and the ferrule joint 4 is a second conical surface 63; the contact surface between the upper end of the second ferrule 92 and the locking nut 8 is a third conical surface 91, and the contact surface between the lower end of the second ferrule 92 and the locking stud 7 is a fourth conical surface 93; the filter screen 11 is fixed under the locking stud 7, a boss 41 is provided at the bottom end of the ferrule joint 4, a sealing gasket 13 is sleeved on the ferrule joint 4, and a fixing nut 12 is provided between the ferrule nut 5 and the sealing gasket 13.

[0016] The lower end face of the sealing gasket 13 which plays a sealing role contacts the outer side face of the oil tank 1, a spring sheet 14 is provided between the fixing nut 12 and the sealing gasket 13, a locking gasket 15 is fixed on a boss 41 provided at the bottom end of the ferrule joint 4, an upper end face of the locking gasket 15 contacts the inner side face of the oil tank 1, a plurality of adjusting washers 16 are provided above the locking gasket 15, and the plurality of adjusting washers 16 are sleeved on the ferrule joint 4, the fixing nut 12 and the ferrule joint 4 are threadedly connected to tighten and fix the sealing gasket 13 and the locking gasket 15.

[0017] Embodiment 1: In this embodiment, an opening 101 is added to the surface of the oil tank 1, wherein the filter screen 11 used for filtering preferably adopts a corrosion-resistant copper sintered filter element.

[0018] See also Figure 2 The embodiment of the utility model provides an oil tank oil extractor for a parking heater, comprising: an oil tank 1, a support tube 2, and an oil extracting tube 3; wherein the support tube 2 is located in the oil tank 1, and the oil extracting tube 3 is provided in the hollow interior of the support tube 2, a ferrule joint 4 is provided at one axial end of the support tube 2, and a locking stud 7 is provided at the other axial end of the support tube 2, and the ferrule joint 4 is sleeved in a first opening 101 on the oil tank 1; a ferrule nut 5 is provided above the ferrule joint 4, and the ferrule joint 4 and the ferrule nut 5 are connected by threads, and a spacing is left between the ferrule joint 4 and the ferrule nut 5 to form a first cavity 6, and the first ferrule 62 is located in the cavity 6 and sleeved on the outer side of one end of the oil extracting tube 3; a locking nut 8 is provided above the locking stud 7, and the locking stud 7 and The locking nut 8 is connected by threads, and a spacing is left between the locking stud 7 and the locking nut 8 to form a second cavity 9. The second ferrule 92 is located in the cavity 9 and is sleeved on the outer side of the other end of the oil extraction pipe 3; the contact surface between the upper end of the first ferrule 62 and the ferrule nut 5 is a first conical surface 61, and the contact surface between the lower end of the first ferrule 62 and the ferrule joint 4 is a second conical surface 63; the contact surface between the upper end of the second ferrule 92 and the locking nut 8 is a third conical surface 91, and the contact surface between the lower end of the second ferrule 92 and the locking stud 7 is a fourth conical surface 93; the filter screen 11 is fixed under the locking stud 7, a boss 41 is provided at the bottom end of the ferrule joint 4, a sealing gasket 13 is sleeved on the ferrule joint 4, and a fixing nut 12 is provided between the ferrule nut 5 and the sealing gasket 13.

[0019] A fuel tank cap 10 is provided on the fuel tank 1, and the ferrule joint 4 is sleeved in the second opening 102 on the fuel tank cap 10. A sealing gasket 13 that performs a sealing function is fixed on a boss 41 provided at the bottom end of the ferrule joint 4. The upper end surface of the sealing gasket 13 contacts the inner side surface of the fuel tank cap 10 provided on the fuel tank 1, and the locking nut 12 is threadedly connected to the ferrule joint 4 to tighten and fix the sealing gasket 13 and the fuel tank cap 10.

[0020] Embodiment 2: In this embodiment, an opening 102 is added to the surface of the fuel tank cap 10. Since the fuel tank cap can be directly unscrewed, the installation and removal of the fuel tank oil extractor for the parking heater of this embodiment is more convenient. When it is found that the fuel supply effect of the fuel supply pipeline is not good, the fuel tank cap 10 with the oil extractor can be unscrewed from the fuel tank 1, and the filter 11 can be flushed. After cleaning, the fuel tank cap and the oil extractor can be directly screwed onto the fuel tank as a whole.

Claims

1. A fuel tank oil extractor for a parking heater, characterized by: include: An oil tank (1), a support tube (2), and an oil extraction tube (3); wherein the support tube (2) is located in the oil tank (1), the hollow interior of the support tube (2) is provided with the oil extraction tube (3), a ferrule joint (4) is provided at one axial end of the support tube (2), a locking stud (7) is provided at the other axial end of the support tube (2), the ferrule joint (4) is sleeved in a first opening (101) on the oil tank (1); a ferrule nut (5) is provided above the ferrule joint (4), the ferrule joint (4) and the ferrule nut (5) are connected by threads, a spacing is left between the ferrule joint (4) and the ferrule nut (5) to form a first cavity (6), the first ferrule (62) is located in the first cavity (6) and sleeved on the outer side of one end of the oil extraction tube (3); a locking nut (8) is provided above the locking stud (7), the locking stud (7) and the locking nut (8) are connected by threads, and the locking nut (8) is locked. A spacing is left between the tightening stud (7) and the locking nut (8) to form a second cavity (9); the second ferrule (92) is located in the second cavity (9) and is sleeved on the outer side of the other end of the oil extraction pipe (3); the contact surface between the upper end of the first ferrule (62) and the ferrule nut (5) is a first conical surface (61), and the contact surface between the lower end of the first ferrule (62) and the ferrule joint (4) is a second conical surface (63); the contact surface between the upper end of the second ferrule (92) and the locking nut (8) is a third conical surface (91), and the contact surface between the lower end of the second ferrule (92) and the locking stud (7) is a fourth conical surface (93); the filter screen (11) is fixed below the locking stud (7), a boss (41) is provided at the bottom end of the ferrule joint (4), a sealing gasket (13) is sleeved on the ferrule joint (4), and a fixing nut (12) is provided between the ferrule nut (5) and the sealing gasket (13).

2. The oil tank oil extractor for the parking heater according to claim 1, characterized in that: The lower end face of the sealing gasket (13) having a sealing function contacts the outer side face of the oil tank (1); a spring sheet (14) is provided between the fixing nut (12) and the sealing gasket (13); a locking gasket (15) is fixed on a boss (41) provided at the bottom end of the ferrule joint (4); an upper end face of the locking gasket (15) contacts the inner side face of the oil tank (1); a plurality of adjusting washers (16) are provided above the locking gasket (15); the plurality of adjusting washers (16) are sleeved on the ferrule joint (4); the fixing nut (12) and the ferrule joint (4) are screwed together to fix the sealing gasket (13) and the locking gasket (15) through threaded connection.

3. The oil tank oil extractor for parking heater according to claim 1, characterized in that: The oil tank (1) is provided with an oil tank cover (10), the ferrule joint (4) is sleeved in a second opening (102) on the oil tank cover (10), the sealing gasket (13) is fixed on a boss (41) provided at the bottom end of the ferrule joint (4), the upper end surface of the sealing gasket (13) is in contact with the inner side surface of the oil tank cover (10) provided on the oil tank (1), and the fixing nut (12) and the ferrule joint (4) are screwed together to fix the sealing gasket (13) and the oil tank cover (10) through threaded connection.

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