Oil gas recovery oil gun

Abstract

The utility model relates to a refueling gun in a refueling device of a gas station, in particular to an oil gas recovery refueling gun. The oil gas recovery oil gun comprises an oil gun nozzle, a distributor and a fuel oil conveying channel, oil gas recovery holes are formed in the circumference of the oil gun nozzle, an oil gas recovery channel is arranged in the oil gun nozzle, the oil gun nozzle is fixedly connected with the distributor through a connecting block, a vertical communicating hole is formed in the connecting block, and the oil gun nozzle is fixedly connected with the distributor through the connecting block. One end of the communicating hole communicates with the oil-gas recovery channel, and the other end of the communicating hole communicates with the oil-gas recovery pump; a groove is formed in the face, facing the oil gun nozzle, of the connecting block and communicates with the oil gas recovery channel and the communicating hole. The oil-gas recovery holes are formed in the circumference of the oil gun nozzle, the oil-gas recovery channel is formed in the oil gun nozzle, recovered oil gas is connected with the oil-gas recovery pump from the oil-gas recovery holes through the oil-gas recovery channel, the oil-gas recovery working efficiency is high, arrangement of an oil-gas collecting hood structure in the prior art is reduced, and the structure is simpler and more compact.

Description

TECHNICAL FIELD

[0001] The utility model relates to the oil gun in the oil filling device of gas station, concretely relates to an oil vapor recovery oil gun. BACKGROUND

[0002] The existing self-sealing oil gun at home and abroad, in the oil filling process, with the gas oil into the oil tank, the gaseous oil in the oil tank will be emitted to the atmosphere, forms environmental pollution and potential safety hazard, also causes the waste of energy. According to the latest atmospheric pollution prevention law of our country, gas station should install oil vapor recovery device, reduces the influence of gaseous oil to nearby residents and environment in the oil filling process, and the secondary oil vapor recovery in the oil filling process is an important link in the whole oil vapor recovery. The existing oil vapor recovery generally adopts gas collecting cover, and the overall structure is not simple enough.

[0003] Meanwhile, in order to improve the use efficiency of the oil gun pipe, reduce the waiting time of the oil filling vehicle, improve the oil filling experience of the oil filling user, using an oil gun pipe to realize the filling of multiple different types of fuel becomes a trend. In the use process of the all-in-one oil gun, how to design a reasonable oil vapor recovery device, how to plan and design the Venturi gas pipe of different oil paths and how to design the oil vapor recovery pipe are problems that need to be solved by the person skilled in the art. UTILITY MODEL CONTENT

[0004] Therefore, in order to solve one of the problems in the design of the Venturi pipe and the oil vapor recovery pipe in the existing oil filling technology, the utility model provides an oil vapor recovery oil gun.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme:

[0006] The utility model provides an oil vapor recovery oil gun, the oil gun includes oil gun mouth, distributor, fuel delivery channel, the fuel delivery channel includes first fuel delivery channel and second fuel delivery channel, the circumference of oil gun mouth is uniformly arranged with oil vapor recovery hole, and the oil vapor recovery channel is arranged between the oil gun mouth and the distributor, the oil gun mouth and the distributor are fixedly connected through a connecting block, the connecting block is provided with vertical communication hole, one end of the communication hole is communicated with the oil vapor recovery channel, and the other end of the communication hole is communicated with oil vapor recovery pump, the one side of the connecting block is provided with recess towards the oil gun mouth, and the recess is communicated with the oil vapor recovery channel and the communication hole, wherein when oil vapor recovery is carried out, the oil gas passes through the oil vapor recovery hole, passes through the oil vapor recovery channel, passes through the communication hole through the hose and is connected with the oil vapor recovery pump, so as to complete the oil vapor recovery work.

[0007] Alternatively, the oil vapor recovery fuel dispenser has a bellow arranged at one end of the nozzle, and the oil vapor recovery holes are arranged at the end of the nozzle close to the bellow.

[0008] Alternatively, the oil vapor recovery fuel dispenser has a first fuel delivery channel comprising a first nozzle body and a first fuel delivery pipe, and a second fuel delivery channel comprising a second nozzle body and a second fuel delivery pipe.

[0009] Alternatively, the oil vapor recovery fuel dispenser has two venturi holes arranged below the end of the nozzle close to the oil outlet, and the two venturi holes are connected to the first nozzle body and the second nozzle body through two gas pipes respectively.

[0010] Alternatively, the oil vapor recovery fuel dispenser has two gas pipes penetrating the connecting block, and the nozzle is fixedly connected to the distributor through the center of the connecting block.

[0011] Alternatively, the oil vapor recovery fuel dispenser has a first fuel delivery channel and a second fuel delivery channel for delivering two different types of fuel respectively.

[0012] Alternatively, the oil vapor recovery fuel dispenser has a first channel and a second channel arranged in the distributor, and the intersection point of the first channel and the second channel is located in the connecting block, and the other end of the first channel and the second channel is connected to the first nozzle body and the second nozzle body respectively.

[0013] Alternatively, the oil vapor recovery fuel dispenser has a first check valve and a second check valve arranged in the distributor, and the first check valve is arranged on the first fuel delivery channel, and the second check valve is arranged on the second fuel delivery channel.

[0014] Alternatively, the oil vapor recovery fuel dispenser has a first check valve arranged on the first channel close to the intersection point, and a second check valve arranged on the second channel close to the intersection point.

[0015] Alternatively, the oil vapor recovery fuel dispenser has a first nozzle body and a second nozzle body, and the first nozzle body and the second nozzle body are self-sealing fuel dispensers, the upper cavity of the sealing cavity of the self-sealing fuel dispenser is connected to the air inlet pipe of the nozzle, and the lower cavity of the sealing cavity of the self-sealing fuel dispenser is connected to the atmosphere.

[0016] The utility model discloses a technical scheme, has the following advantages:

[0017] The utility model provides a kind of oil gas recovery fuel dispenser, the fuel dispenser includes oil gun nozzle, distributor, fuel delivery passage;The circumference of the oil gun nozzle is provided with oil gas recovery hole, oil gas recovery channel is provided in the oil gun nozzle, the oil gun nozzle is fixedly connected between the distributor by a connecting block, vertical communication hole is provided in the connecting block, one end of the communication hole is communicated with the oil gas recovery channel, the other end of the communication hole is communicated with oil gas recovery pump;The one side of the connecting block towards the oil gun nozzle is provided with recess, the recess is communicated the oil gas recovery channel and the communication hole.This application sets up multiple oil gas recovery holes on the circumference of oil gun nozzle, sets up oil gas recovery channel inside oil gun nozzle, recovery oil gas is connected from oil gas recovery hole through oil gas recovery channel and hose of oil gas recovery pump, when oil gas recovery pump works, the recovery of oil gas is completed, improve the working efficiency of oil gas recovery and fuel filling;Meanwhile, the recovery channel of the application is built-in in the oil gun nozzle, reduce the setting of oil gas collecting hood structure in prior art, structure is more simple and compact.

[0018] The utility model provides a kind of oil gas recovery fuel dispenser, first check valve and second check valve are provided in the distributor, the first check valve is set on first fuel delivery passage, the second check valve is set on second fuel delivery passage.This application sets check valve in first fuel delivery passage and second fuel delivery passage respectively, prevent the situation that oil is mixed during fueling, improve the efficiency of filling different fuel, reduce the waiting time of fueling customer, improve user experience. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the drawings needed to be used in the specific embodiment or the prior art description will be briefly introduced as follows, and obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating labor.

[0020] Figure 1 It is one of the schematic diagrams of the oil gas recovery fuel dispenser provided in the embodiment of the utility model;

[0021] Figure 2 It is the second schematic diagram of the oil gas recovery fuel dispenser provided in the embodiment of the utility model;

[0022] Figure 3 It is the partial perspective view of the oil gas recovery fuel dispenser provided in the embodiment of the utility model;

[0023] Figure 4A schematic view of a connecting block of the oil gas recovery fueling gun provided in the embodiment of the utility model;

[0024] Figure 5 A schematic view of a connecting block of the oil gas recovery fueling gun provided in the embodiment of the utility model.

[0025] Explanation of reference signs:

[0026] 1 - oil gun nozzle, 11 - oil gas recovery hole; 2 - distributor, 21 - first check valve, 22 - second check valve; 3 - fuel delivery channel, 31 - first fuel delivery channel, 311 - first oil gun main body, 312 - first oil delivery pipe; 32 - second fuel delivery channel, 321 - second oil gun main body, 322 - second oil delivery pipe; 4 - connecting block, 41 - communication hole, 42 - groove. Specific implementation

[0027] The technical scheme of the utility model will be described clearly and completely in combination with the drawings, obviously, the described embodiment is a part of the embodiment of the utility model, rather than all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the protection scope of the utility model.

[0028] In the description of the utility model, it is necessary to explain that the orientation or position relation indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relation based on the drawing shown, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as the limitation of the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0029] In addition, the technical features involved in different embodiments of the utility model described below can be combined with each other as long as there is no conflict between them.

[0030] Embodiment 1

[0031] Figures 1-2 A structural schematic view of the oil gas recovery fueling gun provided in the embodiment of the utility model; Figure 3 A partial perspective view of the oil gas recovery fueling gun provided in the embodiment of the utility model;

[0032] Figures 4-5 A schematic view of a connecting block of the oil gas recovery fueling gun provided in the embodiment of the utility model.

[0033] AsFigures 1-5 The utility model provides a kind of oil gas recovery refueling gun, the refueling gun includes oil gun nozzle 1, distributor 2, fuel delivery channel 3. Among them, the above-mentioned fuel delivery channel includes first fuel delivery channel 31 and second fuel delivery channel 32, respectively for conveying two different models of fuel;The oil gun nozzle 1 is provided with oil gas recovery hole 11 on circumference, and the oil gun nozzle 1 is provided with oil gas recovery channel;The oil gun nozzle is fixedly connected between the above-mentioned distributor by a connecting block 4, and the connecting block 4 is provided with vertical communication hole, one end of the communication hole is communicated with the oil gas recovery channel, and the other end of the communication hole is communicated with oil gas recovery pump;The connecting block 4 is provided with recess 42 on the side facing the oil gun nozzle, and the recess 42 is communicated with the oil gas recovery channel and the communication hole.When oil gas recovery is carried out, oil gas recovery pump is started to operate, and oil gas near the refueling gun passes through the oil gas recovery hole 11, the oil gas recovery channel, the hose connected with the oil gas recovery pump at the connection between the oil gun nozzle 1 and the distributor 2, so as to complete oil gas recovery work.The two fuel channels of the present application share an oil gun nozzle, by setting oil gas recovery hole in the circumferential direction of the oil gun nozzle, the recovered oil gas is connected to the same recovery pump through the hose at the connection between the oil gun nozzle and the distributor by the channel arranged in the oil gun nozzle, realizing the rapid recovery of oil gas, and avoiding the pollution of oil gas to the environment during refueling.

[0034] In some embodiments, the above-mentioned oil gas recovery refueling gun, the first check valve 21 and the second check valve 22 are arranged in the distributor 2, the first check valve 21 is arranged on the first fuel delivery channel 31, for preventing the backflow of fuel on the first fuel delivery channel 31, and the second check valve 22 is arranged on the second fuel delivery channel 32, for preventing the backflow of fuel on the second fuel delivery channel 32.

[0035] In some embodiments, the above-mentioned oil gas recovery refueling gun, the oil gun nozzle 1 is provided with a bellows near one end of the distributor 2, and the oil gas recovery hole 11 is arranged on the end of the oil gun nozzle 1 near the bellows;Among them, the oil gas recovery hole 11 is provided with a plurality of oil gas recovery holes 11, and the plurality of oil gas recovery holes 11 are uniformly distributed on the circumference of the oil gun nozzle 1. By uniformly distributing a plurality of oil gas recovery holes in the circumferential direction of the oil gun nozzle, oil gas near the oil gun nozzle is recovered from multiple directions, as many oil gas as possible is captured, and the efficiency of oil gas recovery is improved.

[0036] In some embodiments, the above-mentioned oil and gas recovery refueling gun, the above-mentioned first fuel delivery channel 31 also includes a first fuel gun body 311 and a first fuel pipe 312; the above-mentioned second fuel delivery channel 32 also includes a second fuel gun body 321 and a second fuel pipe 322. The distributor 2 is provided with a port on one side and two ports on the opposite side. One port of the distributor 2 is connected to the above-mentioned fuel gun nozzle 1, and the other two ports of the above-mentioned distributor 2 are respectively connected to the above-mentioned first fuel gun body 311 and the second fuel gun body 321. The channel inside the distributor is arranged in a Y shape, and the above-mentioned three ports correspond to the three ends of the Y shape. The above-mentioned first check valve 21 and second check valve 22 are respectively arranged at the front end of the intersection of the two branches of the Y-shaped channel.

[0037] In some embodiments, the aforementioned oil and vapor recovery fueling gun has two venturi holes located below the end of the nozzle 1 near the fuel outlet: a first venturi hole and a second venturi hole. These two venturi holes are connected to the first and second fuel gun bodies 311 and 321 via two air pipes, respectively, passing through the nozzle 1 and the distributor 2. When the first fuel delivery channel is delivering fuel, the first venturi hole is connected to the first fuel gun body via the first air pipe. When refueling is complete, the first fuel gun body is shut down due to the Venturi effect. Similarly, when the second fuel delivery channel is delivering fuel, the second venturi hole is connected to the second fuel gun body via the second air pipe. When refueling is complete, the second fuel gun body is shut down due to the Venturi effect. These two venturi holes operate independently and do not interfere with each other.

[0038] In some embodiments, the above-mentioned oil and gas recovery refueling gun has the above-mentioned two air pipes passing through the above-mentioned connecting block 4, and the above-mentioned oil gun nozzle 1 passes through the center of the above-mentioned connecting block and is fixedly connected to the above-mentioned distributor 2. The lower end of the above-mentioned connecting hole 41 passes through the connecting block, and the above-mentioned connecting hole 41 connects the above-mentioned oil and gas recovery channel and the above-mentioned hose (not shown in the figure); the oil and gas recovery channel is arranged between the bellows and the fuel delivery channel. Figure 4 As shown, the connecting block 4 has three through-holes in its center. The larger through-hole is used for passage after the intersection of the first and second fuel delivery channels, while the smaller two through-holes are used for passage of two air pipes connecting the two venturi air holes. A fixing plate is bolted to the distributor via a fixing plate. In this application, all oil and gas generated during refueling enter through the oil and gas recovery hole, pass through the oil and gas recovery channel, converge into the connecting hole of the connecting block, and then return to the oil and gas recovery pump through a hose for further processing and recycling.

[0039] In some embodiments, the oil gas recovery fuel dispenser, the first channel and the second channel are arranged in the dispenser 2, the first channel and the second channel belong to the first fuel delivery channel and the second fuel delivery channel respectively, one end of the first channel and the second channel is located in the connecting block 4, the other end of the first channel and the second channel is connected to the first fuel gun body 311 and the second fuel gun body 321 respectively. Further, the first check valve 21 is arranged on the first channel close to the intersection point; the second check valve 22 is arranged on the second channel close to the intersection point.

[0040] In some embodiments, the oil gas recovery fuel dispenser, the first fuel gun body 311 and the second fuel gun body 321 are self-sealing fuel dispensers, the upper cavity of the self-sealing fuel dispenser is connected to the air inlet pipe of the fuel gun nozzle 1, and the lower cavity of the self-sealing fuel dispenser is connected to the atmosphere.

[0041] The application provides an oil gas recovery fuel dispenser, which can provide efficient oil gas recovery when fuel is delivered in the use scene of the two-in-one fuel dispenser, and further cooperates with a robot / mechanical hand to perform fueling, thereby improving the working efficiency of the robot / mechanical hand.

[0042] Obviously, the above embodiments are only examples for clear illustration, and are not intended to limit the embodiments. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. Here, all the embodiments do not need to be exhausted, and the obvious changes or variations derived therefrom are still within the protection scope of the application.

Claims

1. An oil vapor recovery fuel dispenser, the fuel dispenser comprising a fuel nozzle, a dispenser, a fuel delivery channel; the fuel delivery channel comprising a first fuel delivery channel and a second fuel delivery channel, characterized in that, a plurality of oil vapor recovery holes are evenly arranged on the circumference of the fuel nozzle, an oil vapor recovery channel is arranged between the fuel nozzle and the dispenser, the fuel nozzle and the dispenser are fixedly connected through a connecting block, a vertical communication hole is arranged in the connecting block, one end of the communication hole communicates with the oil vapor recovery channel, and the other end of the communication hole communicates with an oil vapor recovery pump; a groove is arranged on one side of the connecting block facing the fuel nozzle, and the groove communicates the oil vapor recovery channel and the communication hole; wherein, when oil vapor recovery is performed, the oil vapor passes through the oil vapor recovery channel from the oil vapor recovery hole, then passes through the communication hole, and then is connected to the oil vapor recovery pump through a hose, thereby completing the oil vapor recovery work.

2. The oil and gas recovery fueling dispenser of claim 1, wherein, A bellows is arranged on one end of the fuel nozzle close to the dispenser, and the oil vapor recovery holes are arranged on the end of the fuel nozzle close to the bellows; wherein, a plurality of oil vapor recovery holes are evenly distributed on the circumference of the fuel nozzle.

3. The oil gun of claim 2, wherein The first fuel delivery channel further comprises a first fuel nozzle body and a first fuel delivery pipe; the second fuel delivery channel further comprises a second fuel nozzle body and a second fuel delivery pipe; one port of the dispenser is connected with the fuel nozzle, and the other two ports of the dispenser are respectively connected with the first fuel nozzle body and the second fuel nozzle body.

4. The oil and gas recovery fueling dispenser of claim 3, wherein, Two venturi gas holes are arranged below the end of the fuel nozzle close to the oil outlet, and the two venturi gas holes are respectively connected to the first fuel nozzle body and the second fuel nozzle body through two gas pipes in sequence after passing through the fuel nozzle and the dispenser.

5. The oil and gas recovery fueling dispenser of claim 4, wherein, The two gas pipes pass through the connecting block, and the center of the fuel nozzle passing through the connecting block is fixedly connected with the dispenser.

6. The oil and gas recovery fueling dispenser of claim 5, wherein, The first fuel delivery channel and the second fuel delivery channel are respectively used for delivering two different types of fuel.

7. The oil and gas recovery fueling dispenser of claim 6, wherein, A first channel and a second channel are arranged in the dispenser, and one end of the first channel and the second channel meets in the connecting block; the other end of the first channel and the second channel is respectively connected to the first fuel nozzle body and the second fuel nozzle body.

8. The oil and gas recovery fueling dispenser of claim 7, wherein, A first check valve and a second check valve are arranged in the dispenser, the first check valve is arranged on the first fuel delivery channel, and the second check valve is arranged on the second fuel delivery channel.

9. The oil and gas recovery fueling dispenser of claim 8, wherein, The first check valve is arranged on the first channel close to the meeting point; the second check valve is arranged on the second channel close to the meeting point.

10. The oil gun according to any one of claims 3-9, characterized in that The first fuel nozzle body and the second fuel nozzle body are self-sealing fuel dispensers, the upper cavity of the sealing cavity of the self-sealing fuel dispenser is connected with the air inlet pipe of the fuel nozzle, and the lower cavity of the sealing cavity of the self-sealing fuel dispenser is connected with the atmosphere.

Images