Oil gun with good sealing performance

Abstract

The utility model discloses an oil gun with good sealing performance. The oil gun comprises an oil gun body, a handle is arranged on one side of the oil gun body, an oil outlet is formed in the end face of the other side of the oil gun body, an oil outlet pipe is arranged on the oil outlet, an oil inlet is formed in the end face of one side of the handle, and an oil inlet pipe is arranged on one side of the oil inlet. The first anti-skid spring is arranged on the oil inlet pipe, a second anti-skid spring is arranged on the oil outlet pipe, and a splash-proof rubber ring is installed below the second anti-skid spring; the self-sealing induction opening is formed in the lower surface of the bottom of the oil outlet pipe, air inlet nozzles are arranged on the periphery of the bottom of the oil outlet pipe, a switch handle is arranged on the handle, a blocking piece is arranged at the bottom of the switch handle, and a connecting screw is arranged on the blocking piece. The oil gun solves the problems that in the prior art, due to the fact that an oil gun is poor in sealing effect, leakage is prone to occurring in the oil filling process, and potential safety hazards are prone to occurring.

Description

Technical Field

[0001] The utility model relates to the technical field of refueling guns, in particular to a refueling gun with good sealing performance. Background Art

[0002] The fuel gun is the terminal of the fuel dispenser in the gas station, that is, the part that contacts the car's fuel tank. Self-sealing fuel guns and compound fuel guns are commonly used. After the fuel gun is started, the fuel gun switch handle is turned on, and the oil passes through the main valve hole, the venturi tube, the outlet valve and the gun barrel to be output;

[0003] For example, the Chinese authorized patent (fueling gun) with announcement number CN217732676U: includes a gun body, an air valve assembly, an oil valve assembly and a gun barrel, the gun body has an inner cavity, the inner cavity has an oil channel and an oil-gas channel, the gun body is provided with a first joint and a second joint connected to the oil channel, the first joint and the oil channel are connected at a first check valve for oil inflow, the second joint and the oil channel are connected at a second check valve for oil inflow, the air valve assembly is arranged in the inner cavity, the air valve assembly is used to control the on-off of oil and gas in the oil-gas channel, the oil valve assembly is arranged in the inner cavity, the oil valve assembly is used to control the on-off of oil in the oil channel, the gun barrel is connected to one end of the gun body and is connected to the oil channel and the oil-gas channel respectively, the fueling gun integrates the oil pipelines of the two oil products into one fueling gun, saves the use space of the fueling gun, and saves the equipment investment cost.

[0004] However, the sealing effect of the refueling gun in the above-mentioned prior art is not good, so it is easy to leak during refueling, which is prone to safety hazards; therefore, it does not meet the existing needs. In this regard, we propose a refueling gun with good sealing performance. Utility Model Content

[0005] The utility model aims to provide a refueling gun with good sealing performance, so as to solve the problem that the refueling gun in the prior art proposed in the above background technology has poor sealing effect, which is prone to leakage during refueling and potential safety hazards.

[0006] To achieve the above object, the utility model provides the following technical solution: a refueling gun with good sealing performance, comprising a refueling gun body, a handle is provided on one side of the refueling gun body, an oil outlet is provided on the other end face of the refueling gun body, an oil outlet pipe is provided on the oil outlet, an oil inlet is provided on one end face of the handle, and an oil inlet pipe is provided on one side of the oil inlet;

[0007] Also includes:

[0008] A first anti-skid spring is arranged on the oil inlet pipe, a second anti-skid spring is arranged on the oil outlet pipe, and an anti-splash rubber ring is installed below the second anti-skid spring;

[0009] A self-sealing induction port is arranged on the lower surface of the bottom of the oil outlet pipe, and air inlet nozzles are arranged around the bottom of the oil outlet pipe.

[0010] Preferably, a switch handle is provided on the handle, a baffle is provided at the bottom of the switch handle, a connecting screw is provided on the baffle, and the baffle is connected to the switch handle via the connecting screw.

[0011] Preferably, an oil delivery pipe is provided at the top end of the handle, and a through groove is provided inside the oil gun body.

[0012] Preferably, a main valve is disposed inside the through groove, and a first connecting rod is disposed below the main valve.

[0013] Preferably, a second connecting rod is provided on one side of the first connecting rod, a self-sealing mechanism is provided above the second connecting rod, and limiting frames are provided on both sides below the self-sealing mechanism.

[0014] Preferably, a secondary valve is provided on one side of the second connecting rod.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model arranges a main valve, a secondary valve and a self-sealing mechanism in the through groove of the oil gun body, and the first connecting rod at the bottom of the main valve is connected with the second connecting rod at the bottom of the self-sealing mechanism. After the oil gun is started, the oil gun switch handle is opened, and the oil product is output through the oil outlet pipe. When refueling, the oil product quickly flows through the sealing cavity between the main valve and the secondary valve seat to form a low-pressure area, which leads all the way to the oil outlet to the air inlet nozzle at the front end of the gun barrel. When the oil or foam in the container has not reached the air inlet nozzle, the low-pressure area is released due to the large ventilation volume of the air inlet nozzle. When the oil or foam submerges the air inlet nozzle, the air inlet nozzle is blocked, and the self-sealing mechanism slides downward under the action of the main valve pressure, and at the same time drives the switch handle to disengage, so that the main valve is closed and the oil gun is self-sealed. At the same time, a splash-proof rubber ring is installed on the oil outlet pipe to prevent the oil product from splashing when filling oil, thereby solving the problem that the sealing effect of the oil gun in the prior art is not good, so that leakage is easy to occur during refueling, and safety hazards are easy to occur.

[0017] By arranging the first anti-skid spring and the second anti-skid spring on the oil inlet pipe and the oil outlet pipe respectively, the first anti-skid spring can prevent the oil pipe from being completely inserted into the interior of the oil tank during refueling, thereby playing a role of elastic support. At the same time, the second anti-skid spring can also protect the connection of the oil inlet pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1This is a schematic diagram of the overall structure of the refueling gun of the utility model;

[0019] Figure 2 This is a schematic diagram of the partial internal structure of the fueling gun of the utility model;

[0020] Figure 3 This is an enlarged schematic diagram of the structure of a local A of the refueling gun of the utility model;

[0021] In the figure: 1. oil gun body; 2. oil outlet pipe; 3. first anti-skid spring; 4. oil inlet; 5. oil inlet pipe; 6. handle; 7. switch handle; 8. baffle; 9. connecting screw; 10. oil outlet; 11. second anti-skid spring; 12. splash-proof rubber ring; 13. self-sealing induction port; 14. air inlet nozzle; 15. oil delivery pipe; 16. through groove; 17. main valve; 18. first connecting rod; 19. second connecting rod; 20. self-sealing mechanism; 21. limit frame; 22. auxiliary valve. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] See also Figure 1-3 The utility model provides an embodiment: a refueling gun with good sealing performance, comprising a refueling gun body 1, a handle 6 is provided on one side of the refueling gun body 1, an oil outlet 10 is provided on the other side end surface of the refueling gun body 1, an oil outlet pipe 2 is provided on the oil outlet 10, an oil inlet 4 is provided on one side end surface of the handle 6, and an oil inlet pipe 5 is provided on one side of the oil inlet 4;

[0024] Also includes:

[0025] A first anti-skid spring 3 is arranged on the oil inlet pipe 5, a second anti-skid spring 11 is arranged on the oil outlet pipe 2, and an anti-splash rubber ring 12 is installed below the second anti-skid spring 11;

[0026] The self-sealing induction port 13 is arranged on the lower surface of the bottom of the oil outlet pipe 2, and the air inlet nozzle 14 is arranged around the bottom of the oil outlet pipe 2. When in use, since the main valve 17, the auxiliary valve 22 and the self-sealing mechanism 20 are arranged in the through groove 16 of the oil gun body 1, the first connecting rod 18 at the bottom of the main valve 17 is connected to the second connecting rod 19 at the bottom of the self-sealing mechanism 20. After the refueling gun is started, the oil gun switch handle 7 is turned on, and the oil is output through the oil outlet pipe 2. When refueling, the oil quickly flows through the sealing cavity between the main valve 17 and the auxiliary valve 22 to form a low-pressure area, all the way to the oil outlet 10 to the air inlet nozzle 14 at the front end of the gun barrel. When the oil or foam in the container has not reached the air inlet nozzle 14, the low-pressure area is released due to the large ventilation volume of the air inlet nozzle 14, and the oil or foam submerges the air inlet nozzle 14. When the nozzle 14 is opened, the air inlet nozzle 14 is blocked, and the self-sealing mechanism 20 slides downward under the pressure of the main valve 17, and at the same time drives the switch handle 7 to disengage, so that the main valve 17 is closed and the oil gun is self-sealed. At the same time, a splash-proof rubber ring 12 is installed on the oil outlet pipe 2 to prevent the oil from splashing when filling oil, thereby solving the problem of poor sealing effect of the refueling gun in the prior art, which is prone to leakage during refueling and potential safety hazards. In addition, by respectively arranging the first anti-skid spring 3 and the second anti-skid spring 11 on the oil inlet pipe 5 and the oil outlet pipe 2, the first anti-skid spring 3 can prevent the entire oil pipe from being drawn into the interior of the fuel tank during refueling, thereby playing a role of elastic support. At the same time, the second anti-skid spring 11 can also protect the connection of the oil inlet pipe 5.

[0027] See also Figure 1 A switch handle 7 is provided on the handle 6, a baffle 8 is provided at the bottom of the switch handle 7, a connecting screw 9 is provided on the baffle 8, and the baffle 8 is connected to the switch handle 7 through the connecting screw 9. After the refueling gun is started, the oil gun switch handle 7 is opened, and the oil product is output through the oil outlet pipe 2.

[0028] See also Figure 2 and Figure 3 A fuel delivery pipe 15 is provided at the top of the handle 6, and a through groove 16 is provided inside the fuel gun body 1. When refueling, a low-pressure area is formed in the sealed cavity between the main valve 17 and the auxiliary valve 22 due to the rapid flow of the oil product through the oil outlet 10 to the air inlet nozzle 14 at the front end of the gun barrel. When the oil or foam in the container has not yet reached the air inlet nozzle 14, the low-pressure area is released due to the large ventilation volume of the air inlet nozzle 14. When the oil or foam submerges the air inlet nozzle 14, the air inlet nozzle 14 is blocked, and the self-sealing mechanism 20 slides downward under the pressure of the main valve 17, and at the same time drives the switch handle 7 to disengage, so that the main valve 17 is closed and the fuel gun is self-sealed.

[0029] See also Figure 2 and Figure 3A main valve 17 is arranged inside the through groove 16, and a first connecting rod 18 is arranged below the main valve 17. When refueling, a low-pressure area is formed in the sealing cavity between the main valve 17 and the auxiliary valve 22 due to the rapid flow of oil through the sealing cavity, which leads all the way to the oil outlet 10 to the air inlet nozzle 14 at the front end of the gun barrel. When the oil or foam in the container has not yet reached the air inlet nozzle 14, the low-pressure area is released due to the large ventilation volume of the air inlet nozzle 14. When the oil or foam submerges the air inlet nozzle 14, the air inlet nozzle 14 is blocked, and the self-sealing mechanism 20 slides downward under the pressure of the main valve 17, and at the same time drives the switch handle 7 to disengage, so that the main valve 17 is closed and the oil gun is self-sealed.

[0030] See also Figure 2 and Figure 3 A second connecting rod 19 is provided on one side of the first connecting rod 18, a self-sealing mechanism 20 is provided above the second connecting rod 19, and limit frames 21 are provided on both sides below the self-sealing mechanism 20. After the refueling gun is started, the oil gun switch handle 7 is turned on, and the oil is output through the oil outlet pipe 2. When refueling, a low-pressure area is formed in the sealing cavity between the main valve 17 and the auxiliary valve 22 seat due to the rapid flow of the oil product through the oil outlet 10 to the air inlet nozzle 14 at the front end of the gun barrel. When the oil or foam in the container has not reached the air inlet nozzle 14, the low-pressure area is released due to the large ventilation volume of the air inlet nozzle 14. When the oil or foam submerges the air inlet nozzle 14, the air inlet nozzle 14 is blocked, and the self-sealing mechanism 20 slides downward under the pressure of the main valve 17, and at the same time drives the switch handle 7 to disengage, so that the main valve 17 is closed and the oil gun is self-sealed.

[0031] See also Figure 2 and Figure 3 A secondary valve 22 is provided on one side of the second connecting rod 19. After the refueling gun is started, the oil gun switch handle 7 is turned on, and the oil is output through the oil outlet pipe 2. When refueling, the oil quickly flows through the sealing cavity between the main valve 17 and the secondary valve 22 seat to form a low-pressure area, all the way to the oil outlet 10 to the air inlet nozzle 14 at the front end of the gun barrel.

[0032] Working principle: When in use, since the main valve 17, the auxiliary valve 22 and the self-sealing mechanism 20 are arranged in the through groove 16 of the oil gun body 1, the first connecting rod 18 at the bottom of the main valve 17 is connected to the second connecting rod 19 at the bottom of the self-sealing mechanism 20. After the oil gun is started, the oil gun switch handle 7 is turned on, and the oil is output through the oil outlet pipe 2. When refueling, the oil quickly flows through the sealing cavity between the main valve 17 and the auxiliary valve 22 to form a low-pressure area, all the way to the oil outlet 10 to the air inlet nozzle 14 at the front end of the gun barrel. When the oil or foam in the container has not reached the air inlet nozzle 14, the low-pressure area is released due to the large ventilation volume of the air inlet nozzle 14. When the oil or foam submerges the air inlet nozzle 14, the air inlet nozzle 14 is blocked and the self-sealing mechanism 20 slides downward under the pressure of the main valve 17, and at the same time drives the switch handle 7 to disengage, so that the main valve 17 is closed and the oil gun is self-sealed. At the same time, a splash-proof rubber ring 12 is installed on the oil outlet pipe 2 to prevent the oil from splashing when filling the oil, thereby solving the problem that the sealing effect of the oil gun in the prior art is not good, which easily leaks during refueling and easily causes safety hazards. In addition, by respectively arranging the first anti-skid spring 3 and the second anti-skid spring 11 on the oil inlet pipe 5 and the oil outlet pipe 2, the first anti-skid spring 3 can prevent the entire oil pipe from being scratched into the interior of the oil tank during refueling, thereby playing a role of elastic support. At the same time, the second anti-skid spring 11 can also protect the connection of the oil inlet pipe 5.

[0033] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A refueling gun with good sealing performance, comprising a refueling gun body (1), a handle (6) being provided on one side of the refueling gun body (1), an oil outlet (10) being provided on the other end face of the refueling gun body (1), an oil outlet pipe (2) being provided on the oil outlet (10), an oil inlet (4) being provided on one end face of the handle (6), and an oil inlet pipe (5) being provided on one side of the oil inlet (4); characterized in that: Also includes: A first anti-slip spring (3) is arranged on the oil inlet pipe (5), a second anti-slip spring (11) is arranged on the oil outlet pipe (2), and an anti-splash rubber ring (12) is installed below the second anti-slip spring (11); A self-sealing induction port (13) is arranged on the lower surface of the bottom of the oil outlet pipe (2), and air inlet nozzles (14) are arranged around the bottom of the oil outlet pipe (2).

2. A refueling gun with good sealing performance according to claim 1, characterized in that: The handle (6) is provided with a switch handle (7), a baffle (8) is provided at the bottom of the switch handle (7), a connecting screw (9) is provided on the baffle (8), and the baffle (8) is connected to the switch handle (7) via the connecting screw (9).

3. A refueling gun with good sealing performance according to claim 1, characterized in that: An oil delivery pipe (15) is provided at the top end of the handle (6), and a through groove (16) is provided inside the oil gun body (1).

4. A refueling gun with good sealing performance according to claim 3, characterized in that: A main valve (17) is arranged inside the through groove (16), and a first connecting rod (18) is arranged below the main valve (17).

5. A refueling gun with good sealing performance according to claim 4, characterized in that: A second connecting rod (19) is provided on one side of the first connecting rod (18), a self-sealing mechanism (20) is provided above the second connecting rod (19), and limiting frames (21) are provided on both sides below the self-sealing mechanism (20).

6. A refueling gun with good sealing performance according to claim 5, characterized in that: A secondary valve (22) is provided on one side of the second connecting rod (19).

Images