Reusable break-away valve for rubber hose of oiling machine

Abstract

The utility model discloses a reusable refueling machine rubber hose break-away valve, which comprises an upper valve body, a lower valve body, a valve core assembly, a break-away assembly and a sealing assembly, the bottom of the upper valve body is inserted into the top of the lower valve body, and the valve core assembly is arranged in the upper valve body and the lower valve body. The oil-way valve has the advantages that the oil-way valve can be repeatedly used, the upper valve body and the lower valve body are separated through separation of the clamping seat and the clamping head of the first connector and the second connector, the clamping plate and the spring thin plate are clamped into the clamping groove, the first reset spring abuts against the valve element body for reset sealing, the second reset spring abuts against the sealing plate for reset sealing, and an oil-way pipe is prevented from leaking from the lower valve body; and then the upper valve body is buckled on the lower valve body, the clamping seats of the first connector and the second connector are clamped with the clamping heads again, the clamping plates and the spring thin plates are separated from the clamping grooves and enter the position grooves, the pull rod abuts against the first reset spring and the second reset spring again for compression, and the snap valve can be repeatedly used.

Description

Technical Field

[0001] The utility model relates to the technical field of breakaway valves, in particular to a reusable breakaway valve for fuel dispenser hoses. Background Art

[0002] In modern refueling infrastructure, the breakaway valve of the fuel dispenser hose is a crucial safety measure and cannot be underestimated. These devices are designed to quickly and safely separate the fueling hose and the fueling gun when the fueling hose is accidentally pulled or the vehicle starts and drives away with the fueling gun not fully removed, thus avoiding fuel leakage, environmental pollution and potential fire risks. However, although the breakaway valve has played a significant role in improving safety, the limitations in reusability of the existing technology pose a problem that cannot be ignored.

[0003] Traditional breakaway valves for fuel dispenser hoses are designed for single - use. Once the separation mechanism is triggered, even if there is no substantial physical damage, they cannot be used again. This means that after each trigger, the entire breakaway valve assembly must be replaced, which not only increases the maintenance cost for gas station operators but also brings additional time consumption because the replacement process often requires professional intervention, affecting the continuity and efficiency of refueling services.

[0004] The single - use feature leads to frequent waste generation, putting pressure on the environment. Discarded breakaway valve assemblies contain complex and potentially harmful materials such as rubber, plastic and metal alloys. If not properly disposed of, they will become environmental pollutants, violating the principle of sustainable development. At the same time, considering the number of gas stations globally and the frequency of breakaway valve use in their daily operations, the scale of this problem cannot be underestimated.

[0005] From an economic perspective, frequent replacement of breakaway valves increases the operating costs of gas stations. For gas stations located on busy roads, this cost is particularly significant because their fuel dispensers are used more frequently every day, resulting in more frequent replacement of breakaway valves. In the long run, this undoubtedly has a negative impact on the economic benefits of gas stations.

[0006] The single - use design of breakaway valves limits the flexibility of gas stations to respond to emergencies. In some emergency situations, such as power outages or supply shortages caused by natural disasters, being able to quickly resume refueling services is crucial for the community. However, if the breakaway valves cannot be reused, then after the spare parts are exhausted, gas stations will be forced to wait for new parts to arrive, which may cause service interruptions during a crisis, affecting public safety and emergency response capabilities.

[0007] In summary, although the breakaway valve of the fuel dispenser hose plays an indispensable role in enhancing refueling safety, the cost, environmental protection, and flexibility issues brought about by its disposable nature have become the bottleneck restricting its overall optimization.

[0008] Therefore, how to provide a reusable breakaway valve for the fuel dispenser hose is an urgent problem that needs to be solved by those skilled in the art. Summary of the Invention

[0009] An object of the present invention is to provide a reusable breakaway valve for the fuel dispenser hose. The present invention is reusable. By separating the clamping seat and the clamping head of the first joint and the second joint, the upper valve body is separated from the lower valve body. The clamping plate and the spring thin plate are clamped into the card slot. The first return spring presses against the reset seal of the valve core body, and the second return spring presses against the reset seal of the sealing plate to prevent the oil pipeline from leaking from the lower valve body. Then, by clamping the upper valve body on the lower valve body, the clamping seat and the clamping head of the first joint and the second joint are re-engaged, the clamping plate and the spring thin plate are disengaged from the card slot and enter the position slot, and the pull rod presses against the first return spring and the second return spring again for compression, realizing a reusable breakaway valve.

[0010] A reusable breakaway valve for a fuel dispenser hose according to an embodiment of the present invention includes an upper valve body, a lower valve body, a valve core assembly, a breakaway assembly, and a sealing assembly. Among them, the bottom of the upper valve body is inserted into the top of the lower valve body. The valve core assembly is installed in the upper valve body and the lower valve body. The breakaway assembly is installed on the upper valve body, the lower valve body, and the valve core assembly. The sealing assembly is fixedly installed on the valve core assembly.

[0011] Further, a breakaway threaded hole is provided on the outer side of the bottom of the upper valve body.

[0012] Further, a position slot is provided at the top of the inner cavity of the lower valve body. There are eight position slots, and the eight position slots are evenly dispersed at an equal angle on the inner cavity of the lower valve body. Card slots are provided at the tops of the eight position slots, and a slider is fixedly arranged in the inner cavity of the lower valve body.

[0013] Further, the valve core assembly includes a valve core body, a clamping plate, and a spring thin plate. Among them, the outer wall of the valve core body is vertically slidably installed on the inner side of the slider. The bottom of the clamping plate is fixedly installed on the top of the valve core body. The spring thin plate is fixedly installed on both sides of the top of the clamping plate, and the spring thin plate is inclined.

[0014] Further, the valve core assembly further includes a sealing plate, a fixing rod, and a pull rod. Among them, the sealing plate is located at the inner top of the valve core body. There are eight fixing rods. One ends of the eight fixing rods are fixedly installed in the inner cavity of the top of the upper valve body, and the other ends of the eight fixing rods are fixedly installed on the top of the pull rod. The bottom of the pull rod is inserted into the valve core body.

[0015] Further, the spool assembly further includes a first return spring and a second return spring. The bottom of the first return spring is fixedly installed at the bottom of the inner cavity of the lower valve body, the top of the first return spring is fixedly installed on the outer wall of the spool body, the bottom of the second return spring is fixedly installed at the bottom of the inner cavity of the spool body, and the top of the second return spring is fixedly installed at the bottom of the sealing plate.

[0016] Further, the breaking-off assembly includes a breaking-off bolt, a first joint and a second joint. Among them, the threaded end of the breaking-off bolt is threadedly inserted into the breaking-off threaded hole, and one end of the breaking-off bolt inserted into the breaking-off threaded hole is threadedly embedded in the top of the upper valve body. There are eight first joints, and one ends of the eight first joints are all fixedly installed at the inner top of the spool body, the other ends of the eight first joints are fixedly installed at the top of the pull rod, the top of the second joint is fixedly installed at the bottom of the pull rod, and the bottom of the second joint is fixedly installed at the top of the sealing plate.

[0017] Further, the sealing assembly includes a first sealant layer and a second sealant layer. The first sealant layer is fixedly installed at the top of the spool body, and the second sealant layer is fixedly installed at the inner top of the spool body.

[0018] The beneficial effects of the present utility model are as follows:

[0019] The present utility model is reusable. By separating the clamping seats and clamping heads of the first joint and the second joint, the separation of the upper valve body and the lower valve body is realized. The clamping plate and the spring thin plate are clamped into the clamping groove. The first return spring presses against the spool body for reset sealing, and the second return spring presses against the sealing plate for reset sealing to prevent the oil pipeline from leaking from the lower valve body. Then, by clamping the upper valve body on the lower valve body, the clamping seats and clamping heads of the first joint and the second joint are re-engaged, the clamping plate and the spring thin plate are disengaged from the clamping groove and enter the position groove, and the pull rod presses against the first return spring and the second return spring for compression again, so that the breaking-off valve can be reused. Description of the Drawings

[0020] The drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model, but do not constitute a limitation to the present utility model. In the drawings:

[0021] Figure 1 is a schematic structural diagram of an overall reusable breaking-off valve for a fuel dispenser hose proposed by the present utility model;

[0022] Figure 2 is a cross-sectional view of the upper valve body of a reusable breaking-off valve for a fuel dispenser hose proposed by the present utility model;

[0023] Figure 3 An enlarged view of the A position of a reusable breakaway valve for a fuel dispenser hose proposed by the present utility model Figure 2 ;

[0024] Figure 4 An enlarged view of the B position of a reusable breakaway valve for a fuel dispenser hose proposed by the present utility model Figure 2 ;

[0025] Figure 5 A cross-sectional view of the lower valve body of a reusable breakaway valve for a fuel dispenser hose proposed by the present utility model

[0026] In the figure: 1. Upper valve body; 1.1. Breakaway threaded hole; 2. Lower valve body; 2.1. Position groove; 2.2. Card slot; 2.3. Slide block; 3. Spool assembly; 3.1. Spool body; 3.2. Card board; 3.3. Spring thin plate; 3.4. Sealing plate; 3.5. Fixed rod; 3.6. Pull rod; 3.7. First return spring; 3.8. Second return spring; 4. Breakaway assembly; 4.1. Breakaway bolt; 4.2. First joint; 4.3. Second joint; 5. Sealing assembly; 5.1. First sealing adhesive layer; 5.2. Second sealing adhesive layer Detailed implementation manners

[0027] Now, the present utility model will be further described in detail with reference to the accompanying drawings. These drawings are all simplified schematic diagrams, only illustrating the basic structure of the present utility model in a schematic manner, so they only show the components related to the present utility model

[0028] Please refer to Figures 1 to 5 , the present utility model provides a reusable breakaway valve for a fuel dispenser hose, including an upper valve body 1, a lower valve body 2, a spool assembly 3, a breakaway assembly 4 and a sealing assembly 5. Among them, the bottom of the upper valve body 1 is inserted into the top of the lower valve body 2. The outer wall of the topmost part of the upper valve body 1 is provided with an external thread, and the outer wall of the bottommost part of the lower valve body 2 is provided with an external thread. The spool assembly 3 is installed in the upper valve body 1 and the lower valve body 2. The breakaway assembly 4 is installed on the upper valve body 1, the lower valve body 2 and the spool assembly 3. The breakaway assembly 4 is a breakaway piece, which is convenient for the separation of the upper valve body 1 and the lower valve body 2. The sealing assembly 5 is fixedly installed on the spool assembly 3, and the sealing assembly 5 is used for sealing

[0029] Specifically, a breakaway threaded hole 1.1 is opened on the outer side of the bottom of the upper valve body 1, a position groove 2.1 is opened on the top of the inner cavity of the lower valve body 2. There are eight position grooves 2.1, and the eight position grooves 2.1 are evenly dispersed at an angle on the inner cavity of the lower valve body 2. Card slots 2.2 are opened at the tops of the eight position grooves 2.1, and a slide block 2.3 is fixedly arranged in the inner cavity of the lower valve body 2

[0030] More specifically, the valve core assembly 3 includes a valve core body 3.1, a clamping plate 3.2 and a spring thin plate 3.3. Among them, the outer wall of the valve core body 3.1 is vertically and slidably installed on the inner side of the slider 2.3. The bottom of the clamping plate 3.2 is fixedly installed on the top of the valve core body 3.1. The spring thin plates 3.3 are fixedly installed on both sides of the top of the clamping plate 3.2. The spring thin plates 3.3 are inclined. The clamping plate 3.2 and the spring thin plates 3.3 completely enter the clamping groove 2.2 and are then clamped by the spring thin plates 3.3. The valve core assembly 3 further includes a sealing plate 3.4, a fixing rod 3.5 and a pull rod 3.6. Among them, the sealing plate 3.4 is located at the inner top of the valve core body 3.1. There are eight fixing rods 3.5. One ends of the eight fixing rods 3.5 are all fixedly installed in the inner cavity of the top of the upper valve body 1, and the other ends of the eight fixing rods 3.5 are fixedly installed on the top of the pull rod 3.6. The bottom of the pull rod 3.6 is inserted into the valve core body 3.1.

[0031] The valve core assembly 3 further includes a first return spring 3.7 and a second return spring 3.8. The bottom of the first return spring 3.7 is fixedly installed at the bottom of the inner cavity of the lower valve body 2, and the top of the first return spring 3.7 is fixedly installed on the outer wall of the valve core body 3.1. The first return spring 3.7 presses against the valve core body 3.1 for reset and sealing. The bottom of the second return spring 3.8 is fixedly installed at the bottom of the inner cavity of the valve core body 3.1, and the top of the second return spring 3.8 is fixedly installed on the bottom of the sealing plate 3.4. The second return spring 3.8 presses against the sealing plate 3.4 for reset and sealing.

[0032] More specifically, the breaking component 4 includes a breaking bolt 4.1, a first joint 4.2 and a second joint 4.3. Among them, the threaded end of the breaking bolt 4.1 is threadedly inserted into the breaking threaded hole 1.1, and one end of the breaking bolt 4.1 inserted into the breaking threaded hole 1.1 is threadedly embedded in the top of the upper valve body 1. The breaking bolt 4.1 is a breaking piece. There are eight first joints 4.2. One ends of the eight first joints 4.2 are all fixedly installed on the inner top of the valve core body 3.1, and the other ends of the eight first joints 4.2 are fixedly installed on the top of the pull rod 3.6. The first joint 4.2 is divided into a clamping seat and a clamping head. The clamping seat is fixedly installed on the inner top of the valve core body 3.1, and the clamping head is fixedly installed on the pull rod 3.6. The top of the second joint 4.3 is fixedly installed on the bottom of the pull rod 3.6, and the bottom of the second joint 4.3 is fixedly installed on the top of the sealing plate 3.4. The second joint 4.3 is divided into a clamping seat and a clamping head. The clamping seat is fixedly installed on the top of the sealing plate 3.4, and the clamping head is fixedly installed on the bottom of the pull rod 3.6.

[0033] Further specifically, the sealing component 5 includes a first sealing glue layer 5.1 and a second sealing glue layer 5.2. The first sealing glue layer 5.1 is fixedly installed on the top of the valve core body 3.1, and the second sealing glue layer 5.2 is fixedly installed on the inner top of the valve core body 3.1. The first sealing glue layer 5.1 and the second sealing glue layer 5.2 are used for better sealing after the breaking valve is disconnected.

[0034] Furthermore, the top of the upper valve body 1 is threadedly connected to the fuel gun, and the bottom of the lower valve body 2 is threadedly connected to the oil pipeline. When the fuel gun refuels the vehicle and the refueling is completed, to prevent the vehicle from driving with the fuel gun and pulling on the fuel gun, the breakaway valve, and the oil pipeline, the upper valve body 1 and the lower valve body 2 of the breakaway valve are separated, and the lower valve body 2 seals the oil pipeline to prevent gasoline in the oil pipeline from leaking.

[0035] When an external force acts on the upper valve body 1, the upper valve body 1 and the lower valve body 2 are separated, and the breakaway bolt 4.1 is broken. The upper valve body 1 drives the fixed rod 3.5, the fixed rod 3.5 drives the pull rod 3.6, and the pull rod 3.6 drives the valve core body 3.1 to displace through the first joint 4.2. The valve core body 3.1 drives the clamping plate 3.2 and the spring thin plate 3.3 to enter the clamping groove 2.2. The clamping plate 3.2 and the spring thin plate 3.3 are stuck in the clamping groove 2.2. The valve core body 3.1 and the first sealing adhesive layer 5.1 seal the oil cavity of the lower valve body 2. The first return spring 3.7 presses against the valve core body 3.1 to maintain the sealing of the lower valve body 2 by the valve core body 3.1 and the first sealing adhesive layer 5.1. The pull rod 3.6 continues to drive the valve core body 3.1 to displace until the first joint 4.2 is pulled apart, the clamping seat and the clamping head of the first joint 4.2 are separated, the pull rod 3.6 drives the sealing plate 3.4 to displace, the top of the sealing plate 3.4 moves towards the second sealing adhesive layer 5.2 until the sealing plate 3.4 contacts the second sealing adhesive layer 5.2. The pull rod 3.6 continues to displace, the second joint 4.3 is pulled apart, the clamping seat and the clamping head of the second joint 4.3 are separated, and the second return spring 3.8 presses against the sealing plate 3.4 to seal the oil cavity of the valve core body 3.1, preventing the sealing of the oil pipeline nozzle.

[0036] The lower valve body 2 is threadedly separated from the oil pipeline, the upper valve body 1 is clamped on the lower valve body 2, the clamping seats and the clamping heads of the first joint 4.2 and the second joint 4.3 are re-engaged, the clamping plate 3.2 and the spring thin plate 3.3 are disengaged from the clamping groove 2.2 and enter the position groove 2.1, and the pull rod 3.6 presses against the first return spring 3.7 and the second return spring 3.8 for compression again, and it can be reused.

[0037] The space between the lower valve body 2 and the valve core body 3.1 is the oil cavity, and the space between the valve core body 3.1 and the sealing plate 3.4 is the oil cavity, facilitating gasoline to enter the fuel gun through the oil cavity.

[0038] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A reusable fuel dispenser hose breakaway valve, characterized in that: The utility model comprises an upper valve body (1), a lower valve body (2), a valve core assembly (3), a breakaway assembly (4) and a sealing assembly (5), wherein the bottom of the upper valve body (1) is inserted into the top of the lower valve body (2), the valve core assembly (3) is installed in the upper valve body (1) and the lower valve body (2), the breakaway assembly (4) is installed on the upper valve body (1), the lower valve body (2) and the valve core assembly (3), and the sealing assembly (5) is fixedly installed on the valve core assembly (3).

2. A reusable fuel dispenser hose breakaway valve according to claim 1, characterized in that: A break thread hole (1.1) is provided on the outer side of the bottom of the upper valve body (1).

3. A reusable fuel dispenser hose breakaway valve according to claim 1, characterized in that: A position slot (2.1) is provided at the top of the inner cavity of the lower valve body (2), and eight position slots (2.1) are provided. The eight position slots (2.1) are evenly distributed at angles on the inner cavity of the lower valve body (2), and a clamping slot (2.2) is provided at the top of each of the eight position slots (2.1). A sliding block (2.3) is fixedly provided in the inner cavity of the lower valve body (2).

4. A reusable fuel dispenser hose breakaway valve according to claim 1, characterized in that: The valve core assembly (3) comprises a valve core body (3.1), a clamping plate (3.2) and a spring thin plate (3.3), wherein the outer wall of the valve core body (3.1) is vertically slidably mounted on the inner side of the slider (2.3), the bottom of the clamping plate (3.2) is fixedly mounted on the top of the valve core body (3.1), and the spring thin plate (3.3) is fixedly mounted on both sides of the top of the clamping plate (3.2), and the spring thin plate (3.3) is arranged in an inclined manner.

5. A reusable fuel dispenser hose breakaway valve according to claim 1, characterized in that: The valve core assembly (3) also includes a sealing plate (3.4), a fixing rod (3.5) and a pull rod (3.6), wherein the sealing plate (3.4) is located at the inner top of the valve core body (3.1), and eight fixing rods (3.5) are provided, one end of the eight fixing rods (3.5) are fixedly installed in the inner cavity at the top of the upper valve body (1), and the other end of the eight fixing rods (3.5) are fixedly installed on the top of the pull rod (3.6), and the bottom of the pull rod (3.6) is inserted into the valve core body (3.1).

6. A reusable fuel dispenser hose breakaway valve according to claim 1, characterized in that: The valve core assembly (3) also includes a first return spring (3.7) and a second return spring (3.8), wherein the bottom of the first return spring (3.7) is fixedly mounted on the bottom of the inner cavity of the lower valve body (2), the top of the first return spring (3.7) is fixedly mounted on the outer wall of the valve core body (3.1), the bottom of the second return spring (3.8) is fixedly mounted on the bottom of the inner cavity of the valve core body (3.1), and the top of the second return spring (3.8) is fixedly mounted on the bottom of the sealing plate (3.4).

7. A reusable fuel dispenser hose breakaway valve according to claim 1, characterized in that: The breakaway assembly (4) comprises a breakaway bolt (4.1), a first joint (4.2) and a second joint (4.3), wherein the threaded end of the breakaway bolt (4.1) is threadedly inserted into the breakaway threaded hole (1.1), and one end of the breakaway bolt (4.1) inserted into the breakaway threaded hole (1.1) is threadedly embedded in the top of the upper valve body (1), eight first joints (4.2) are provided, one end of the eight first joints (4.2) is fixedly mounted on the inner top of the valve core body (3.1), the other end of the eight first joints (4.2) is fixedly mounted on the top of the pull rod (3.6), the top of the second joint (4.3) is fixedly mounted on the bottom of the pull rod (3.6), and the bottom of the second joint (4.3) is fixedly mounted on the top of the sealing plate (3.4).

8. The reusable fuel dispenser hose breakaway valve according to claim 1, characterized in that: The sealing assembly (5) comprises a first sealing rubber layer (5.1) and a second sealing rubber layer (5.2), wherein the first sealing rubber layer (5.1) is fixedly mounted on the top of the valve core body (3.1), and the second sealing rubber layer (5.2) is fixedly mounted on the inner top of the valve core body (3.1).

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