Oil tank respirator and oil tank

Abstract

The utility model discloses an oil tank breather and an oil tank. The technical problem that oil in an oil tank breather in the prior art is prone to seeping out through the breather is solved. The oil tank breather comprises a connecting guide pipe, a breather body and a baffle assembly. The connecting guide pipe is used for being connected with an oil tank. The respirator body is provided with a cavity; the baffle assembly comprises at least two baffles arranged in the cavity, the baffles and the inner wall of the cavity are obliquely arranged downwards, one end of each baffle is connected with the inner wall of the cavity, and the other end of each baffle extends along the inner part of the cavity, so that a gap is formed between the other end of each baffle and the inner wall of the cavity; every two adjacent baffles are arranged in a staggered mode to form an S-shaped channel. The dustproof cap covers the respirator body in a clearance mode and is connected with the respirator body. The baffle is obliquely arranged downwards, and after splashing oil hits the baffle, the oil can quickly flow back into the oil tank through the self weight, so that the oil is prevented from seeping out through the respirator. In addition, oil drops pass through the S-shaped channel, so that the purpose of cooling can be achieved.

Description

Technical Field

[0001] The present application belongs to the technical field of fuel tank breathers, and in particular relates to a fuel tank breather and a fuel tank. Background Art

[0002] The diesel tank breather is an indispensable component of internal combustion equipment, and it performs multiple important functions. First, it is responsible for storing diesel, while also dissipating heat and precipitating impurities during the storage of diesel, which is crucial because the quality of diesel directly affects the performance and life of the internal combustion engine. In addition, the diesel tank breather also has the ability to separate water vapor to prevent water from mixing into the fuel system, thereby protecting the engine from corrosion and performance degradation.

[0003] However, the existing diesel tank respirator technology has some defects. When the mine car is filled with oil or driving on a bumpy road, the diesel in the tank will sway and leak out through the respirator, which not only wastes energy, but also increases the maintenance workload of the operator and increases the labor intensity. Summary of the invention

[0004] In order to solve the above technical problems, the present application provides a fuel tank breather and a fuel tank.

[0005] The technical solution adopted to achieve the purpose of this application is a fuel tank breather, comprising:

[0006] A connecting conduit, used for connecting to the oil tank;

[0007] a respirator body, which is in communication with the connecting conduit and is provided with a cavity;

[0008] A baffle assembly, comprising at least two baffles arranged in the cavity, the baffles and the inner wall of the cavity are arranged downwardly and inclined, one end of the baffle is connected to the inner wall of the cavity, and the other end of the baffle extends along the inner part of the cavity so that a gap is formed between the other end of the baffle and the inner wall of the cavity; two adjacent baffles are arranged in a staggered manner to form an S-shaped channel;

[0009] A dust cap and a gap cover are arranged on the respirator body and connected with the respirator body.

[0010] In some embodiments, projections of the two adjacent baffles on a horizontal plane partially overlap.

[0011] In some embodiments, the angle A between the baffle and the horizontal plane is 0° <A<10°。

[0012] In some embodiments, the number of the baffles is 3, namely a first baffle, a second baffle and a third baffle, the first baffle and the third baffle are arranged in parallel, and the second baffle is arranged alternately with the first baffle and the third baffle;

[0013] The highest position of the first baffle is lower than the lowest position of the second baffle;

[0014] The highest position of the second baffle is lower than the lowest position of the third baffle.

[0015] In some embodiments, the respirator body is cylindrical; and the connecting conduit is coaxially arranged with the respirator body.

[0016] In some embodiments, the baffle is a solid annular plate, and the baffle is connected to the inner wall of the cavity by welding;

[0017] Each of the baffles has the same shape.

[0018] In some embodiments, the dust cap and the respirator body shell are detachably connected.

[0019] In some embodiments, the dust cap is provided with an L-shaped slot and the respirator body shell is provided with a threaded rod;

[0020] The threaded rod includes a screw section and a smooth section connected to the respirator body shell;

[0021] When the dust cap rotates along the respirator body, the smooth section can slide along the vertical section and the horizontal section of the L-shaped groove, so that the dust cap and the respirator body are connected in a limited position;

[0022] The dust cap and the respirator body are fixedly connected by a nut matched with the threaded rod.

[0023] In some embodiments, the dust cap is spaced apart from the top of the respirator body and the side walls of the respirator body.

[0024] In a second aspect of the present application, a fuel tank is provided, comprising:

[0025] The above-mentioned tank breather;

[0026] An oil tank body is provided with a mounting portion connected to the connecting conduit.

[0027] It can be seen from the above technical scheme that the present application provides a fuel tank breather and a fuel tank, wherein the fuel tank breather includes a connecting conduit, a breather body and a baffle assembly, wherein the connecting conduit is used to communicate with the fuel tank; the breather body is communicated with the connecting conduit and is provided with a cavity; the baffle assembly includes at least two baffles arranged in the cavity, the baffles and the inner wall of the cavity are arranged downwardly at an angle, one end of the baffle is connected to the inner wall of the cavity, and the other end of the baffle extends along the inner part of the cavity, so that the other end of the baffle forms a gap with the inner wall of the cavity; two adjacent baffles are arranged alternately to form an S-shaped channel; the dust cap gap cover is arranged on the breather body and is connected to the breather body. In the present application, the dust cap of the fuel tank breather is arranged with a gap between the breather body, and the outside air can enter the top of the breather body through the gap between the dust cap and the breather body, and then enter the fuel tank through the S-shaped channel formed by at least two baffles; the air in the fuel tank can pass through the S-shaped channel formed by at least two baffles, and then circulate through the gap between the breather body and the dust cap, thereby realizing the circulation of air inside the fuel tank. Since the baffle is tilted downward, the splashed oil can quickly flow back into the oil tank by its own weight after hitting the baffle, thus preventing the oil from leaking through the breather. In addition, the oil droplets can be cooled by passing through the S-shaped channel. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the structure of the fuel tank breather in the embodiment of the present application.

[0029] Figure 2 for Figure 1 A cross-sectional view of the fuel tank breather.

[0030] Figure 3 for Figure 1 A schematic diagram of the structure of one of the baffles in the baffle assembly.

[0031] Explanation of the reference numerals: 100 - oil tank breather, 110 - connecting conduit, 120 - breather body, 121 - threaded rod, 122 - nut, 130 - baffle assembly, 131 - first baffle, 132 - second baffle, 133 - third baffle, 140 - dust cap, 141 - L-shaped groove. DETAILED DESCRIPTION

[0032] In order to enable technicians in the technical field to which the present application belongs to understand the present application more clearly, the technical solution of the present application is described in detail below through specific embodiments in conjunction with the accompanying drawings.

[0033] This application introduces the application of the oil tank breather to the diesel tank of a mine car as an example. When the mine car is running, the diesel in the tank floats up and down, and it is easy to leak out through the gap between the dust cap and the outer wall of the breather, which not only wastes energy, but also requires frequent wiping of the oil stains on the outside of the diesel tank, increasing the labor intensity of the operator. The breather of this application can be applied to large mine car diesel tanks, such as medium and large mine cars of 85T to 130T.

[0034] In the first aspect of this application, as attached Figure 1 and attached Figure 2 As shown, a fuel tank breather is provided. The fuel tank breather 100 includes a connecting duct 110, a breather body 120 and a baffle assembly 130. The connecting duct 110 is used to communicate with the fuel tank; the breather body 120 is provided with a cavity and is communicated with the connecting duct 110; the baffle assembly 130 includes at least two baffles arranged in the cavity, the baffles and the inner wall of the cavity are both arranged downwardly at an angle, one end of the baffle is connected to the inner wall of the cavity, and the other end of the baffle extends along the inner part of the cavity so that a gap is formed between the other end of the baffle and the inner wall of the cavity; two adjacent baffles are staggered to form an S-shaped channel; a dust cap 140 gap cover is arranged on the breather body 120 and is connected to the breather body 120.

[0035] In the present application, the dust cap 140 of the oil tank respirator 100 is provided with a gap between the respirator body 120, and the outside air can enter the top of the respirator body 120 through the gap between the dust cap 140 and the respirator body 120, and then enter the oil tank through the S-shaped channel formed by at least two baffles; the air in the oil tank can pass through the S-shaped channel formed by at least two baffles, and then circulate through the gap between the respirator body 120 and the dust cap 140, thereby realizing the circulation of air inside the oil tank. Since the baffle is arranged downwardly, after the splashing oil droplets hit the baffle, the oil droplets can quickly flow back into the oil tank by their own weight, and in addition, the oil droplets can be cooled when passing through the S-shaped channel.

[0036] As attached Figure 1 As shown, in some embodiments, the connecting conduit 110 is used to communicate with the oil tank to ensure the communication between the respirator body 120 and the oil tank, and plays the role of storing diesel, dissipating heat, maintaining the air pressure balance in the oil tank, etc. The oil tank may be provided with a mounting position, and the connecting conduit 110 is provided with a threaded interface corresponding to the mounting position, so as to facilitate the connection and communication between the connecting conduit 110 and the oil tank.

[0037] As attached Figure 2As shown, in some embodiments, the baffle assembly 130 includes at least two baffles, that is, the number of baffles is 2, 3, 4, 5, 6 or 7, and the number of baffles can be set according to the situation. In certain embodiments, the number of baffles is 3, namely the first baffle 131, the second baffle 132 and the third baffle 133. The first baffle 131 and the third baffle 133 are arranged in parallel, and the second baffle 132 is arranged in an interleaved manner with both the first baffle 131 and the third baffle 133; when the oil in the fuel tank sloshes and spills out, the first baffle 131 blocks the impact of the diesel, rebounds the spilled oil into the first space of the breather, and then flows back into the fuel tank; if a small amount of diesel still continues to spill upward and hits the second baffle 132, the second baffle 132 will block the oil in the second space of the breather, and then flow back into the first space; the third baffle 133 blocks the tiny oil and gas in the breather, and the formed oil droplets will collect with the diesel in the second space, and finally flow back to the diesel tank through the first space.

[0038] As shown in the Figure 2 attachment, in some embodiments, the highest position of the first baffle 131 is lower than the lowest position of the second baffle 132; the highest position of the second baffle 132 is lower than the lowest position of the third baffle 133. Ensure that when the oil in the fuel tank sloshes and spills out, it can flow back to the fuel tank quickly by its own weight, avoid diesel residue on the baffle to form dirt, and at the same time improve the reflux speed.

[0039] As shown in the Figure 2 attachment, in some embodiments, the projections of two adjacent baffles on the horizontal plane partially overlap, ensuring that when the oil in the fuel tank sloshes and spills out, it can flow back to the fuel tank quickly by its own weight, and the reflux speed is improved.

[0040] As shown in the Figure 2 attachment, in some embodiments, the angle A between the baffle and the horizontal plane is such that 0° < A < 10°, and the angle between the baffle and the horizontal plane can be 2°, 3°, 5°, 7° or 9°. The three interconnected spaces formed after the downwardly inclined baffles are welded to each other weaken the impact force of the spilled diesel layer by layer by the three baffles, and finally return to the diesel tank.

[0041] In some embodiments, the breather body 120 is cylindrical, which is convenient for manufacturing and welding; in other embodiments, the connecting conduit 110 is coaxially arranged with the breather body 120, ensuring that when the oil in the fuel tank sloshes and spills out, it can flow back to the fuel tank quickly by its own weight, and the reflux speed is improved.

[0042] As shown in the Figure 2 and the Figure 3As shown, in some embodiments, the baffle is a solid annular plate, and the baffle is connected to the inner wall of the cavity by welding, that is, the baffle can be the remaining part after cutting off an arc shape from the circular cross-section of the cylindrical respirator body 120, so as to facilitate the welding of the baffle and the respirator body 120, and at the same time, there is a partial gap between the baffle and the inner wall of the respirator cavity.

[0043] In some embodiments, each baffle has the same shape, which facilitates welding the baffles into the cavity of the respirator body 120 .

[0044] As attached Figure 1 As shown, in some embodiments, the dust cap 140 and the outer shell of the respirator body 120 are detachably connected, which facilitates the removal of the dust cap 140 and the respirator body 120 and subsequent cleaning.

[0045] In some embodiments, the dust cap 140 is provided with an L-shaped groove 141, and the outer shell of the respirator body 120 is provided with a threaded rod 121; the threaded rod 121 includes a screw section and a smooth section connected to the outer shell of the respirator body 120; when the dust cap 140 rotates along the respirator body 120, the smooth section can slide along the vertical section and the horizontal section of the L-shaped groove 141 to limit the connection between the dust cap 140 and the respirator body 120; the dust cap 140 and the respirator body 120 are fixedly connected by a nut 122 that cooperates with the threaded rod 121. That is, when the dust cap 140 needs to be covered on the respirator body 120, the vertical section of the L-shaped groove 141 can be first aligned with the threaded rod 121, and the smooth section of the threaded rod 121 can be inserted into the entrance of the vertical section of the L-shaped groove 141, and then the dust cap 140 can be continued to be moved downward until the smooth section of the threaded rod 121 moves to the connection between the vertical section and the horizontal section relative to the L-shaped groove 141, and then the dust cap 140 is rotated until the smooth section of the threaded rod 121 moves to the end of the horizontal section relative to the L-shaped groove 141. At this time, the threaded rod 121 can limit the dust cap 140 and the respirator body 120, and then the dust cap 140 and the respirator body 120 can be connected by cooperating with the threaded section of the threaded rod 121 through the nut 122.

[0046] As attached Figure 1 As shown, in some embodiments, at least two threaded rods 121 are provided on the outer shell of the respirator body 120, and at least two L-shaped grooves 141 are correspondingly provided on the dust cover, so as to facilitate the connection between the dust cap 140 and the respirator body 120. In some embodiments, three threaded rods 121 are provided on the outer shell of the respirator body 120, and three L-shaped grooves 141 are correspondingly provided on the dust cover, so as to facilitate the connection between the dust cap 140 and the respirator body 120.

[0047] As attached Figure 1 and attached Figure 2As shown, in some embodiments, a gap is set between the dust cap 140 and the top of the respirator body 120 and the side wall of the respirator body 120, so as to achieve the circulation of air inside the oil tank.

[0048] In a second aspect of the present application, a fuel tank is provided, comprising: the above-mentioned fuel tank breather 100 and a fuel tank body, wherein the fuel tank body is provided with a mounting portion connected to a connecting conduit 110. The connecting conduit 110 is provided with a threaded interface corresponding to the mounting position, so as to facilitate the connection and communication between the connecting conduit 110 and the fuel tank.

[0049] Through the above embodiments, the present application has the following beneficial effects or advantages:

[0050] 1) In the present application, a gap is set between the dust cap 140 and the respirator body 120 of the oil tank respirator 100, and the outside air can enter the top of the respirator body 120 through the gap between the dust cap 140 and the respirator body 120, and then enter the oil tank through the S-shaped channel formed by at least two baffles; the air in the oil tank can pass through the S-shaped channel formed by at least two baffles, and then circulate through the gap between the respirator body 120 and the dust cap 140, thereby realizing the circulation of air inside the oil tank. Since the baffle is tilted downward, after the splashing oil droplets hit the baffle, the oil droplets can quickly flow back into the oil tank by their own weight. In addition, the oil droplets can be cooled by passing through the S-shaped channel.

[0051] 2) The dust cap 140 of the present application is detachably connected to the respirator body 120. The dust cap 140 makes it difficult for dust to accumulate on the baffle, and can also effectively prevent external debris and rainwater from entering the oil tank to pollute, making it easy to clean.

[0052] Although the preferred embodiments of the present application have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present application.

[0053] Obviously, those skilled in the art can make various changes and modifications to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is also intended to include these modifications and variations.

Claims

1. A fuel tank breather, characterized in that: include: A connecting conduit, used for communicating with the oil tank; a respirator body, which is in communication with the connecting conduit and is provided with a cavity; A baffle assembly, comprising at least two baffles arranged in the cavity, the baffles and the inner wall of the cavity are arranged downwardly and inclined, one end of the baffle is connected to the inner wall of the cavity, and the other end of the baffle extends along the inner part of the cavity so that a gap is formed between the other end of the baffle and the inner wall of the cavity; two adjacent baffles are arranged in a staggered manner to form an S-shaped channel; A dust cap and a gap cover are arranged on the respirator body and connected with the respirator body.

2. The fuel tank breather according to claim 1, characterized in that: The projections of the two adjacent baffles on the horizontal plane partially overlap.

3. The fuel tank breather according to claim 1, characterized in that: The angle A between the baffle and the horizontal plane is 0° <A<10°。 4. The fuel tank breather according to any one of claims 1 to 3, characterized in that: The number of the baffles is 3, namely a first baffle, a second baffle and a third baffle, the first baffle and the third baffle are arranged in parallel, and the second baffle and the first baffle and the third baffle are arranged alternately; The highest position of the first baffle is lower than the lowest position of the second baffle; The highest position of the second baffle is lower than the lowest position of the third baffle.

5. The fuel tank breather according to any one of claims 1 to 3, characterized in that: The respirator body is cylindrical; the connecting conduit is coaxially arranged with the respirator body.

6. The fuel tank breather according to claim 5, characterized in that: The baffle is a solid annular plate, and the baffle is connected to the inner wall of the cavity by welding; Each of the baffles has the same shape.

7. The fuel tank breather according to any one of claims 1 to 3, characterized in that: The dust cap and the respirator body shell are detachably connected.

8. The fuel tank breather according to claim 7, characterized in that: The dust cap is provided with an L-shaped groove, and the respirator body shell is provided with a threaded rod; The threaded rod includes a screw section and a smooth section connected to the respirator body shell; When the dust cap rotates along the respirator body, the smooth section can slide along the vertical section and the horizontal section of the L-shaped groove, so that the dust cap and the respirator body are connected in a limited position; The dust cap and the respirator body are fixedly connected by a nut matched with the threaded rod.

9. The fuel tank breather according to any one of claims 1 to 3, characterized in that: The dust cap is provided with a gap from the top of the respirator body and the side wall of the respirator body.

10. A fuel tank, comprising: The fuel tank breather according to any one of claims 1 to 9; An oil tank body is provided with a mounting portion connected to the connecting conduit.

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