Oil injection structure and oil storage tank thereof

Abstract

The utility model belongs to the technical field of oil storage, and particularly relates to an oil injection structure. The first self-closing oil injection component is arranged in the middle of the inner bottom of the assembly cylinder; the mounting cylinder is arranged in the middle of the bottom end of the assembling cylinder; and the second self-closing oil injection component is arranged in the mounting cylinder and used for solving the problems that in the oil injection process of the oil storage tank, part of air can enter the oil storage tank along the oil injection port, and when the air in the oil storage tank is mixed with gasoline vapor to form a certain proportion, a flammable and explosive mixture can be formed, and potential safety hazards exist.

Description

TECHNICAL FIELD

[0001] The utility model belongs to oil storage technical field, concretely relates to an oil injection structure and oil storage tank thereof. BACKGROUND

[0002] Gasoline is a colorless to light yellow easily flowing liquid at normal temperature, is difficult to dissolve in water, and is flammable, so the storage device of gasoline is particularly important, and the common storage device is an oil storage tank, a large container with a regular shape, and has the functions of lightning protection, static electricity prevention and fire prevention.

[0003] Now when gasoline is injected into the oil storage tank, the oil injection port is generally open, and the oil cover is closed after the gasoline is filled. UTILITY MODEL CONTENTS

[0004] Based on the problems in the above background technology, the utility model provides an oil injection structure and oil storage tank thereof, which are used to solve the problem that in the process of injecting oil into the oil storage tank, part of air enters the oil storage tank along the oil injection port, and when the air in the oil storage tank mixes with gasoline vapor to form a certain proportion, an inflammable and explosive mixture is formed, and there is a safety hazard.

[0005] The technical scheme adopted by the utility model is as follows:

[0006] An oil injection structure comprises:

[0007] An assembly cylinder;

[0008] A first self-closing oil injection component is arranged in the middle part of the bottom of the assembly cylinder.

[0009] An installation cylinder is arranged in the middle part of the bottom end of the assembly cylinder.

[0010] A second self-closing oil injection component is arranged in the installation cylinder.

[0011] On the basis of the above technical scheme, the utility model further makes the following improvements:

[0012] Further, the first self-closing oil injection component comprises a probe pipe fixedly arranged in the middle part of the bottom of the assembly cylinder, an adjusting cylinder one is movably arranged in the probe pipe, a flow channel opening one is arranged on the adjusting cylinder one, the inlet of the flow channel opening one is located at the top of the adjusting cylinder one, and the outlet is located on the circumferential sidewall of the adjusting cylinder one.

[0013] Further, the second self-closing oil injection member comprises a mounting hole, an adjusting cylinder two and a support, the mounting hole is arranged in the middle of the mounting cylinder, the adjusting cylinder two is arranged in the mounting hole and can move up and down, a flow passage opening two is arranged on the adjusting cylinder two, the inlet of the flow passage opening two is located at the top of the adjusting cylinder two, and the outlet is located on the circumferential wall of the adjusting cylinder two, the support is arranged at the bottom of the mounting cylinder, and a return spring is arranged between the bottom of the adjusting cylinder two and the support.

[0014] Further, the bottom of the assembling cylinder is provided with a liquid level detection rod through an assembling hole, the detection part of the liquid level detection rod is located below the assembling cylinder, and the display part is located inside the assembling cylinder.

[0015] Further, the inner circumferential wall of the top of the assembling cylinder is provided with a support rod, and the top port part of the assembling cylinder is screw-capped with a cylinder cover.

[0016] Further, the outer circumferential wall of the top of the assembling cylinder is provided with a flange, a plurality of through holes are arranged on the flange in an array, and a rubber pad is arranged at the joint between the bottom of the flange and the outer circumferential wall of the assembling cylinder.

[0017] An oil storage tank has the oil injection structure.

[0018] The oil injection structure has the following beneficial effects:

[0019] The assembling cylinder, the first self-closing oil injection member, the mounting cylinder and the second self-closing oil injection member are combined, in use, the oil injection pipe is used to push the first self-closing oil injection member and the second self-closing oil injection member in sequence, so that the first self-closing oil injection member and the second self-closing oil injection member are opened, oil is injected into the oil storage tank through the first self-closing oil injection member and the second self-closing oil injection member, when the oil injection is completed, the oil injection pipe is pulled out, and the first self-closing oil injection member and the second self-closing oil injection member are automatically closed in the process of pulling out the oil injection pipe, so that air cannot enter the oil storage tank in the oil injection process. BRIEF DESCRIPTION OF DRAWINGS

[0020] The oil injection structure and the oil storage tank can be further illustrated through the non-limiting embodiments shown in the drawings.

[0021] Figure 1 The oil injection structure and the oil storage tank can be further illustrated through the non-limiting embodiments shown in the drawings.

[0022] Figure 2 The oil injection structure and the oil storage tank can be further illustrated through the non-limiting embodiments shown in the drawings.

[0023] Figure 3 The oil injection structure and the oil storage tank can be further illustrated through the non-limiting embodiments shown in the drawings.

[0024] Figure 4The utility model discloses an oil injection structure and sectional view of oil storage tank thereof.

[0025] The reference signs are as follows:

[0026] 101, assembly cylinder, 102, flange, 103, through hole, 104, cylinder cover, 105, assembly hole, 201, probe pipe, 202, adjusting cylinder one, 203, flow channel mouth one, 3, mounting cylinder, 301, mounting hole, 302, adjusting cylinder two, 303, flow channel mouth two, 304, support, 305, reset spring, 4, liquid level detection rod, 5, support rod, 6, rubber pad. DETAILED DESCRIPTION

[0027] Example one:

[0028] As Figures 1-4 shown, an oil injection structure comprises:

[0029] The assembly cylinder 101 is provided with a flange 102 on the top outer peripheral wall, a plurality of through holes 103 are arranged on the flange 102 in an array, a rubber pad 6 is arranged at the joint of the bottom of the flange 102 and the outer peripheral wall of the assembly cylinder 101, when in use, the assembly cylinder 101 is placed in the oil injection port of the oil storage tank, so that the flange 102 is placed on the top wall of the oil injection port of the oil storage tank, and the rubber pad 6 is located between the outer side wall of the assembly cylinder 101 and the inner wall of the oil injection port of the oil storage tank, then the screws are screwed into the screw holes on the through holes 103 and the oil storage tank at the same time, thereby realizing the installation of the assembly cylinder 101 in the oil injection port of the oil storage tank;

[0030] Referring to Figure 1 and Figure 3 , the top inner peripheral wall of the assembly cylinder 101 is provided with a support rod 5, the support rod 5 can be used in cooperation with the buckling plate on the oil injection pipe to stably act on the oil injection pipe; the top port of the assembly cylinder 101 is screwed with a cylinder cover 104, the cylinder cover 104 is arranged to be screwed on the port of the assembly cylinder 101 when not injecting oil, so as to close the port of the assembly cylinder 101;

[0031] Referring to Figure 4, first self-closing oil injection member, the first self-closing oil injection member is arranged in the middle of the bottom of the assembly cylinder 101, the first self-closing oil injection member includes a probe pipe 201 fixedly arranged in the middle of the bottom of the assembly cylinder 101, the inner diameter of the probe pipe 201 is matched with the outer diameter of the oil injection pipe, an adjusting cylinder one 202 is movably arranged in the probe pipe 201, the inner wall of the lower part of the probe pipe 201 is provided with a stepped platform, the adjusting cylinder one 202 is arranged in a normal state, the top of the adjusting cylinder one 202 abuts against the stepped platform in the probe pipe 201, so that the height of the adjusting cylinder one 202 can be limited, a flow channel port one 203 is arranged on the adjusting cylinder one 202, the inlet of the flow channel port one 203 is located at the top of the adjusting cylinder one 202, and the outlet is located on the circumferential wall of the adjusting cylinder one 202, the outer diameter of the adjusting cylinder one 202 is matched with the inner diameter of the lower part of the probe pipe 201;

[0032] The mounting cylinder 3 is arranged in the middle of the bottom end of the assembly cylinder 101, the second self-closing oil injection member is arranged in the mounting cylinder 3, the second self-closing oil injection member includes a mounting hole 301, an adjusting cylinder two 302 and a support 304, the mounting hole 301 is arranged in the middle of the mounting cylinder 3, the adjusting cylinder two 302 is movably arranged in the mounting hole 301, the mounting hole 301 is matched with the outer diameter of the adjusting cylinder two 302, a flow channel port two 303 is arranged on the adjusting cylinder two 302, the inlet of the flow channel port two 303 is located at the top of the adjusting cylinder two 302, and the outlet is located on the circumferential wall of the adjusting cylinder two 302, the support 304 is arranged at the bottom of the mounting cylinder 3, a reset spring 305 is arranged between the bottom of the adjusting cylinder two 302 and the support 304, in a normal state, the reset spring 305 is in an elongated state, so that the adjusting cylinder two 302 and the adjusting cylinder one 202 are kept in an upward trend, and the outlet of the flow channel port one 203 on the adjusting cylinder one 202 is located in the probe pipe 201, and the outlet of the flow channel port two 303 on the adjusting cylinder two 302 is located in the mounting hole 301;

[0033] When oil is injected into the oil storage tank, the insertion end of the oil injection pipe is inserted into the probe pipe 201, so that the insertion end of the oil injection pipe abuts against the adjustment cylinder I 202 and moves downward, which causes the outlet of the flow channel port I 203 on the adjustment cylinder I 202 to move out of the probe pipe 201, and at the same time, the adjustment cylinder II 302 is also moved downward, which causes the reset spring 305 to be compressed so that the outlet of the flow channel port II 303 on the adjustment cylinder II 302 moves out of the bottom of the mounting hole 301, and at this time, the buckle plate on the oil injection pipe can be hooked on the support rod 5, so that the oil injection pipe inserted into the probe pipe 201 is stabilized, and the oil injection pipe is prevented from being pushed upward by the rebounding force of the reset spring 305, so that the outlet of the flow channel port I 203 on the adjustment cylinder I 202 remains moved out of the probe pipe 201, and the outlet of the flow channel port II 303 on the adjustment cylinder II 302 remains moved out of the bottom of the mounting hole 301, so that gasoline can flow into the mounting cylinder 3 through the flow channel port I 203 on the oil injection pipe, and then flow out of the oil storage tank through the flow channel port II 303. When the oil injection is completed, the oil injection pipe is pulled out, and during the process of pulling out the oil injection pipe, the abutment of the adjustment cylinder I 202 and the adjustment cylinder II 302 is released, which causes the reset spring 305 to rebound and abut against the adjustment cylinder I 202 and the adjustment cylinder II 302 to move upward, so that the outlet of the flow channel port I 203 on the adjustment cylinder I 202 is collected in the probe pipe 201, and the outlet of the flow channel port II 303 on the adjustment cylinder II 302 is collected in the mounting hole 301, so that the oil injection flow channel is automatically closed, so that air does not enter the oil storage tank during the oil injection process.

[0034] Referring to Figure 4 The bottom of the assembly cylinder 101 is provided with a liquid level detection rod 4 through the assembly hole 105, the detection part of the liquid level detection rod 4 is located below the assembly cylinder 101, and the display part is located inside the assembly cylinder 101. The liquid level detection rod 4 can detect the amount of gasoline in the oil storage tank during the oil injection process.

[0035] Example two:

[0036] An oil storage tank has the oil injection structure.

[0037] The utility model is described in detail above. The description of the specific embodiments is only used to help understand the method and the core idea of the utility model. It should be noted that the ordinary skilled in the art can make some improvements and modifications to the utility model without departing from the principles of the utility model, and these improvements and modifications also fall within the protection scope of the utility model claims.

Claims

1. An oil injection structure characterized by comprising: The application relates to an oil injection structure. The oil injection structure comprises an assembling cylinder (101), a first self-closing oil injection component arranged in the middle of the bottom of the assembling cylinder (101), a mounting cylinder (3) arranged in the middle of the bottom end of the assembling cylinder (101), and a second self-closing oil injection component arranged in the mounting cylinder (3). The first self-closing oil injection component comprises a probe pipe (201) fixedly arranged in the middle of the bottom of the assembling cylinder (101), an adjusting cylinder I (202) movably arranged in the probe pipe (201), a flow channel port I (203) arranged on the adjusting cylinder I (202), and an inlet of the flow channel port I (203) located on the top of the adjusting cylinder I (202) and an outlet located on the circumferential wall of the adjusting cylinder I (202). The second self-closing oil injection component comprises a mounting hole (301), an adjusting cylinder II (302) and a bracket (304), the mounting hole (301) is arranged in the middle of the mounting cylinder (3), the adjusting cylinder II (302) is movably arranged in the mounting hole (301), a flow channel port II (303) is arranged on the adjusting cylinder II (302), an inlet of the flow channel port II (303) is located on the top of the adjusting cylinder II (302) and an outlet is located on the circumferential wall of the adjusting cylinder II (302), the bracket (304) is arranged at the bottom of the mounting cylinder (3), and a reset spring (305) is arranged between the bottom of the adjusting cylinder II (302) and the bracket (304). The bottom of the assembling cylinder (101) is provided with a liquid level detection rod (4) through an assembling hole (105), a detection part of the liquid level detection rod (4) is located below the assembling cylinder (101), and a display part is located in the assembling cylinder (101).

2. The oil injection structure according to claim 1, characterized by: An inner circumferential wall of the top of the assembling cylinder (101) is provided with a supporting rod (5), and a threaded screw cap (104) is arranged on the top end of the assembling cylinder (101).

3. The oil injection structure according to claim 1, characterized by: An outer circumferential wall of the top of the assembling cylinder (101) is provided with a flange (102), a plurality of through holes (103) are arranged on the flange (102), and a rubber pad (6) is arranged at the joint between the bottom of the flange (102) and the outer circumferential wall of the assembling cylinder (101).

4. The oil injection structure according to claim 1, characterized by: The oil injection structure has the advantages that the oil injection structure is simple in structure, convenient to use, and convenient to carry and store.

5. The oil injection structure according to claim 1, characterized by: ​ 6. The oil injection structure according to claim 1, characterized by: ​ 7. An oil storage tank characterized by: ​

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