CN210554177U - Automatic fire extinguishing component for refueling wicket - Google Patents

Abstract

The utility model discloses an automatic fire extinguishing component of a refueling wicket, which comprises a cover plate and an outer decorative plate, wherein the outer decorative plate is fixedly arranged outside the cover plate; the method is characterized in that: the cover plate is of a hollow structure, a dry powder extinguishing agent and a driving medium are filled between the cover plate and the outer decorative plate, a lead is arranged in the driving medium and penetrates through the inner side of the cover plate, an ignition port is further formed in the inner side of the cover plate and is aligned to the oil filling port, and an ignition cover covers the ignition port. Has the advantages of automatic fire extinguishing, compact structure, safety and reliability.

Description

Automatic fire extinguishing component for refueling wicket

Technical Field

The utility model relates to an automobile parts production technical field especially relates to refuel wicket.

Background

With the development of society, the use of vehicles is more and more common. The small oiling door on the vehicle is an important part of the vehicle and mainly plays a role in enabling an oiling gun to enter and exit and shielding a filling port of an oil tank (preventing theft).

However, the following problems are common to the existing automobiles: 1. as is well known, the automobile can be refueled only after being flamed out, but some drivers can open a refueling small door to refuel after forgetting to flameout, particularly novice drivers and self-service refueling; there is a great potential safety hazard. 2. After refueling is completed, gasoline remaining at the fuel gun outlet may drip into the refueling hatch, causing small amounts of gasoline to remain, which may present a potential safety hazard if not cleaned in time. 3. In recent years, the auto-ignition phenomenon of automobiles often occurs, and the automobiles often catch fire from oil tanks, so that the protection of the oil tanks is particularly important for preventing the auto-ignition of the automobiles. 4. At present, the small oiling door actuator is mostly driven by a micro motor, the structure is complex, and the reliability needs to be improved.

Therefore, how to improve the existing car refueling wicket to overcome the above problems is a problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can force flame-out, the convenience of opening and shutting has the activity of putting out a fire, and can keep inside clear safe and reliable's car to refuel little door.

Another object of the utility model is to provide a can force flame-out, safe and reliable refuel wicket response part that opens and shuts.

Another object of the present invention is to provide a refueling wicket actuator with simple structure, convenient opening and closing, safety and reliability.

The utility model also aims to provide a refuel wicket automatic fire extinguishing component which can automatically extinguish fire, has compact structure, safety and reliability.

Still another object of the present invention is to provide a refueling door cleaning member which can keep the vehicle body clean and can be replaced periodically.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a safe and reliable automobile refueling wicket comprises a base, a cover plate and an outer decorative plate, wherein the base is provided with a refueling port, the cover plate is hinged to the base through a rotating shaft, and the outer decorative plate is fixedly arranged on the outer side of the cover plate; the method is characterized in that:

the rotating shaft is fixedly arranged on the cover plate and is rotatably arranged on the base; one end of the rotating shaft is provided with a torsion spring which forces the cover plate to be in an opening state; an opening and closing induction component is arranged at the other end of the rotating shaft and comprises a rotating cam and a limit switch, the rotating cam is fixedly arranged on the rotating shaft, and the limit switch is fixedly arranged on the base; when the cover plate is in a closed state, the rotating cam does not abut against the contact of the limit switch, when the cover plate is in an open state, the rotating cam abuts against the contact of the limit switch, and the limit switch transmits an electric signal to shut down the automobile;

an actuator is arranged between the base and the cover plate and used for controlling the cover plate to open and close, and the actuator comprises a locking magnetic block, an unlocking magnetic block, a floating magnetic part and an electromagnetic bouncing part; the locking magnetic block and the unlocking magnetic block are fixedly arranged on the cover plate, the floating magnetic piece and the electromagnetic bouncing piece are fixedly arranged on the base, the locking magnetic block and the floating magnetic piece are correspondingly arranged, and the unlocking magnetic block and the electromagnetic bouncing piece are correspondingly arranged;

the floating magnetic part comprises a fixed base, a first reset spring and a telescopic magnetic block, the fixed base is fixedly arranged on the base, the telescopic magnetic block is arranged on the fixed base in a sliding mode, and the first reset spring is arranged between the fixed base and the telescopic magnetic block and forces the telescopic magnetic block to slide outwards; when the cover plate is closed, the telescopic magnetic block and the locking magnetic block are mutually attracted, and the magnetic attraction force between the telescopic magnetic block and the locking magnetic block is greater than the elasticity of the torsion spring, so that the cover plate is kept in a closed state;

the electromagnetic bouncing piece comprises a shell, an iron core, a coil, a first contact piece, a second contact piece and a second reset spring, wherein the shell is fixedly arranged on the base, the iron core is arranged on the shell in a sliding manner, the coil is wound on the iron core, one end of the coil is electrically connected with the first contact piece, the first contact piece is fixedly arranged on the iron core, the second contact piece is fixedly arranged on the shell, two connecting contacts are arranged on the shell, the second contact piece is electrically connected with one of the connecting contacts, the other end of the coil is connected with the other connecting contact, the electromagnetic bouncing piece is connected onto an automobile power supply circuit through the connecting contacts, and the second reset spring is arranged between the iron core and the shell and forces the iron core to slide outwards; when the iron core is positioned at the outer side, a gap is formed between the first contact piece and the second contact piece, and when the iron core slides inwards, the first contact piece can contact the second contact piece;

when the cover plate is closed, the unlocking magnetic block does not contact the iron core; pressing the cover plate inwards can enable the telescopic magnetic block to overcome the elastic force of the first reset spring and slide inwards, so that the unlocking magnetic block is in contact with the iron core, the iron core is further pushed to overcome the second reset spring and slide inwards until the first contact piece is in contact with the second contact piece, the electromagnetic bouncing piece is electrified, the iron core is made to be magnetic, the iron core and the unlocking magnetic block repel each other, the repulsive force between the iron core and the unlocking magnetic block plus the elastic force of the torsion spring is greater than the magnetic attractive force between the telescopic magnetic block and the locking magnetic block, the cover plate is loosened, and the cover plate can be bounced open and is in an open state;

the cover plate is of a hollow structure, dry powder extinguishing agent and driving medium are filled between the cover plate and the outer decorative plate, a lead is arranged in the driving medium and penetrates through the inner side of the cover plate, an ignition port is further formed in the inner side of the cover plate and is aligned to the oil filling port, and an ignition cover covers the ignition port; the cover plate and the outer decorative plate form an automatic fire extinguishing component of the small refueling door.

An oil collecting groove is formed in the lower edge of the base and is located below the oil filling port; the oil absorption cotton is detachably covered above the oil collecting groove. The oil collecting tank and the oil absorption cotton form a cleaning part of the small oiling door.

Preferably, a connecting bolt is fixedly arranged on the rotating cam, and the connecting bolt is in threaded connection with the rotating shaft. The connection mode is simple and reliable.

Furthermore, a contact of the limit switch is provided with a roller. The arrangement of the roller can reduce the resistance of the contact when the contact is contacted with the rotating cam, increase the smoothness and avoid the clamping stagnation.

In an improvement, the first contact piece is of a fold line type, and the first contact piece can be pressed and deformed when the first contact piece is contacted with the second contact piece. The main effect of the first contact piece of broken line type lies in, when pressing down the apron and preparing to open and refuel the wicket, after the pine hand, because the existence of broken line structure, first contact piece and second contact piece can not separate at once, can be at the iron core again after outwards sliding one end distance for the electromagnetism plays the piece and gets electric time longer, keeps longer repulsion force at the opening in-process, is favorable to popping out of apron.

As an improvement, the iron core is provided with a limiting ring, and the limiting ring limits the iron core to slide outwards. The iron core is prevented from falling off from the shell.

As an improvement, the lead is externally coated with a protective cover, and the protective cover is fixedly arranged on the cover plate. The lead wire is protected, and accidental ignition of the lead wire can be avoided; when exposed fire occurs, the protective cover can be rapidly melted to trigger the lead.

Furthermore, the dry powder extinguishing agent and the driving medium are both coated in the barrier film. The barrier film is used for wrapping the dry powder extinguishing agent and the driving medium at ordinary times and preventing the dry powder extinguishing agent and the driving medium from seeping out from the space between the cover plate and the external decorative plate; at the same time, it can be broken rapidly upon detonation.

As an implementation mode, the oil collecting groove is provided with sliding grooves on two sides, the oil absorption cotton is provided with clamping strips on two sides, the oil absorption cotton is arranged in the sliding grooves in a sliding mode through the clamping strips, and the oil absorption cotton is detachably arranged on the base.

As another embodiment, the oil absorption cotton and the base are fixed by a magic tape, and the magic tape allows gasoline to permeate through; the magic tape comprises a hook tape and a hair tape, the hook tape is bonded on the base, and the hair tape and the oil absorption cotton are integrally formed.

Compared with the prior art, the utility model discloses technical scheme's advantage lies in:

1. the opening and closing induction component has the function of ensuring that the automobile is in a flameout state when the refueling small door is opened; the safety accident caused by forgetting to extinguish the fuel during refueling is avoided.

2. The actuator adopts a magnetic attraction type structure to close, adopts an electromagnetic bouncing mode to open, and has simple and reliable structure and convenient operation. It should be noted that when the automobile is flamed out and is not locked (when the automobile is refueled, the automobile is basically in the state), the storage battery in the automobile works normally, and the actuator can still be powered to open the cover plate; when the automobile is flamed out and the automobile is locked, the storage battery in the automobile does not supply power to the actuator any more, and the small oiling door cannot be opened at the moment.

3. The working principle of the automatic fire extinguishing component is similar to that of an automatic fire extinguishing ball, when an external lead is ignited, the driving medium is activated, the cover body is rapidly expanded, the dry powder fire extinguishing agent breaks through the detonating cover and is rapidly sprayed to the detonating port and rapidly spreads around to form a full-submerged fire extinguishing state, and flames are extinguished under the dual physical and chemical effects of the dry powder fire extinguishing agent. Can put out flame quickly when the automobile fuel tank is accidentally on fire.

4. The arrangement of the cleaning component can avoid the safety accident caused by the residual gasoline flowing out from the refueling small door. The oil absorption cotton can absorb a part of residual gasoline to avoid flowing around; when the residual gasoline is more, the oil collecting tank can also collect part of the residual gasoline and also can prevent the residual gasoline from flowing to other areas. Meanwhile, the oil absorption cotton needs to be replaced regularly (generally once in one maintenance period), and when the oil collection cotton is replaced, gasoline in the oil collecting tank needs to be cleaned, so that the cleaning part can be kept in a normal working state for a long time.

Drawings

Fig. 1 is a schematic perspective view (open state) according to a preferred embodiment of the present invention;

fig. 2 is a schematic perspective view (closed state) according to a preferred embodiment of the present invention;

fig. 3 is an exploded view of a preferred embodiment according to the present invention;

fig. 4 is a schematic structural view of the opening and closing sensing part when the cover plate is closed according to a preferred embodiment of the present invention;

fig. 5 is a schematic structural view of the opening and closing sensing part when the cover plate is opened according to a preferred embodiment of the present invention;

FIG. 6 is a schematic diagram of the actuator state in a closed state in accordance with a preferred embodiment of the present invention;

fig. 7 is a schematic perspective view of a floating magnetic member according to a preferred embodiment of the present invention;

fig. 8 is a half sectional view of a floating magnet in accordance with a preferred embodiment of the present invention;

fig. 9 is a half sectional view of an electromagnetic spring according to a preferred embodiment of the present invention;

fig. 10 is an exploded view of an electromagnetic spring in accordance with a preferred embodiment of the present invention;

fig. 11 is a half sectional view of a self-extinguishing member according to a preferred embodiment of the present invention;

fig. 12 is an exploded view of a self-extinguishing member according to a preferred embodiment of the present invention;

fig. 13 is a simplified view of a self-extinguishing member according to a preferred embodiment of the present invention;

figure 14 is an exploded view of a cleaning member according to a preferred embodiment of the present invention;

FIG. 15 is a simplified illustration of one embodiment of a cleaning element according to a preferred embodiment of the present invention;

figure 16 is a simplified view of another embodiment of a cleaning member according to a preferred embodiment of the present invention.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.

As shown in fig. 1 to 16, a preferred embodiment of the present invention includes a base 1, a cover plate 2 and an outer decoration plate 3, wherein the base 1 is provided with an oil filling port 11, the cover plate 2 is hinged on the base 1 through a rotating shaft 4, and the outer decoration plate 3 is fixedly arranged outside the cover plate 2; the key points are as follows:

the rotating shaft 4 is fixedly arranged on the cover plate 2 and is rotatably arranged on the base 1; one end of the rotating shaft 4 is provided with a torsion spring 41, and the torsion spring 41 forces the cover plate 2 to be in an opening state; an opening and closing induction part 5 is arranged at the other end of the rotating shaft 4, the opening and closing induction part 5 comprises a rotating cam 51 and a limit switch 52, the rotating cam 51 is fixedly arranged on the rotating shaft 4, and the limit switch 52 is fixedly arranged on the base 1; when the cover plate 2 is in a closed state, the rotating cam 51 does not abut against the contact of the limit switch 52, when the cover plate 2 is in an open state, the rotating cam 51 abuts against the contact of the limit switch 52, and the limit switch 52 transmits an electric signal to shut down the automobile. Wherein, the rotating cam 51 is fixedly provided with a connecting bolt 511, and the connecting bolt 511 is connected to the rotating shaft 41 in a threaded manner; the contact of the limit switch 52 is provided with a roller 521.

An actuator 6 is arranged between the base 1 and the cover plate 2, the actuator 6 is used for controlling the cover plate 2 to be opened and closed, and the actuator 6 comprises a locking magnetic block 61, an unlocking magnetic block 62, a floating magnetic piece 63 and an electromagnetic bouncing piece 64; the locking magnetic block 61 and the unlocking magnetic block 62 are fixedly arranged on the cover plate 2, the floating magnetic piece 63 and the electromagnetic bouncing piece 64 are fixedly arranged on the base 1, the locking magnetic block 61 and the floating magnetic piece 63 are correspondingly arranged, and the unlocking magnetic block 62 and the electromagnetic bouncing piece 64 are correspondingly arranged.

The floating magnetic member 63 includes a fixed base 631, a first return spring 632 and a telescopic magnet 633, the fixed base 631 is fixedly disposed on the base 1, the telescopic magnet 633 is slidably disposed on the fixed base 631, and the first return spring 632 is disposed between the fixed base 631 and the telescopic magnet 633 and forces the telescopic magnet 633 to slide outwards; when the cover plate 2 is closed, the telescopic magnetic block 633 and the locking magnetic block 61 attract each other, and the magnetic attraction force between the telescopic magnetic block 633 and the locking magnetic block 61 is greater than the elastic force of the torsion spring 41, so that the cover plate 2 keeps a closed state.

The electromagnetic bouncing element 64 comprises a shell 641, an iron core 642, a coil 643, a first contact piece 644, a second contact piece 645 and a second return spring 646, wherein the shell 641 is fixedly arranged on the base 1, the iron core 642 is slidably arranged on the shell 641, the coil 643 is wound on the iron core 642, one end of the coil 643 is electrically connected with the first contact piece 644, the first contact piece 644 is fixedly arranged on the iron core 642, the second contact piece 645 is fixedly arranged on the shell 641, two connecting contacts 640 are arranged on the shell 641, the second contact piece 645 is electrically connected with one of the connecting contacts 640, the other end of the coil 643 is connected with the other connecting contact 640, the electromagnetic bouncing element 64 is connected to an automobile power supply circuit through the connecting contacts, and the second return spring 646 is arranged between the iron core 642 and the shell 641 and forces the iron core 642 to slide outwards; when the core 642 is outside, there is a gap (shown at a in fig. 6) between the first contact 644 and the second contact 645, and when the core 642 slides inward, the first contact 644 may contact the second contact 645.

When the cover plate 2 is closed, the unlocking magnetic block 62 does not contact the iron core 642; pressing the cover plate 2 inward can make the telescopic magnet 633 overcome the elastic force of the first return spring 632 and slide inward, so that the unlocking magnet 62 contacts the iron core 642, further the iron core 642 is pushed to overcome the second return spring 646 and slide inward, until the first contact piece 644 contacts the second contact piece 645, the electromagnetic bouncing element 64 is powered, so that the iron core 642 has magnetism, and the iron core 642 and the unlocking magnet 62 repel each other, the repelling force between the iron core 642 and the unlocking magnet 62 plus the elastic force of the torsion spring 41 is greater than the magnetic attraction force between the telescopic magnet 633 and the locking magnet 61, and the cover plate 2 is loosened, and the cover plate 2 can be bounced open and is in an open state.

The first contact 644 is a broken line, and the first contact 644 is pressed and deformed when the first contact 644 contacts the second contact 645. The iron core 642 is provided with a limit ring 6421, and the limit ring 6421 limits the iron core 642 to slide outwards.

The cover plate 2 and the exterior plate 3 constitute an automatic fire extinguishing unit 7. Specifically, the method comprises the following steps: the cover plate 2 is of a hollow structure, a dry powder extinguishing agent 71 and a driving medium 72 are filled between the cover plate 2 and the outer decorative plate 3, a lead 73 is arranged in the driving medium 72 and penetrates through the inner side of the cover plate 2, the inner side of the cover plate 2 is further provided with an explosion initiating port 21, the explosion initiating port 21 is aligned to the oil filling port 11, and the explosion initiating port 21 is covered with an explosion initiating cover 74. Wherein, lead wire 73 outside cladding has the protection casing 75, and protection casing 75 is fixed to be set up on apron 2. The dry powder extinguishing agent 71 and the driving medium 72 are both coated in a barrier film (not shown).

An oil collecting groove 81 is formed in the lower edge of the base 1, and the oil collecting groove 81 is located below the oil filling port 11; the oil collecting tank 81 is covered with an oil absorbing cotton 82 in a detachable way. The oil sump 81 and the oil absorbent cotton 82 constitute the cleaning member 8 of the filler door.

In one embodiment, sliding grooves 83 are formed in two sides of the oil collecting groove 81, clamping strips 84 are formed in two sides of the oil absorption cotton 82, the oil absorption cotton 83 is slidably arranged in the sliding grooves 83 through the clamping strips 84, and the oil absorption cotton is detachably arranged on the base 1.

As another embodiment, the oil absorption cotton 82 and the base 1 are fixed by a magic tape 85, and the magic tape 85 allows gasoline to permeate; the magic tape 85 comprises a hook tape 851 and a hair tape 852, wherein the hook tape 852 is adhered to the base 1, and the hair tape 852 and the oil absorption cotton 82 are integrally formed.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (3)

1. An automatic fire extinguishing component of an oil filling wicket comprises a cover plate and an outer decorative plate, wherein the outer decorative plate is fixedly arranged on the outer side of the cover plate; the method is characterized in that: the cover plate is of a hollow structure, a dry powder extinguishing agent and a driving medium are filled between the cover plate and the outer decorative plate, a lead is arranged in the driving medium and penetrates through the inner side of the cover plate, an ignition port is further formed in the inner side of the cover plate and is aligned to the oil filling port, and an ignition cover covers the ignition port.

2. The automatic fire extinguishing component for the refueling wicket as claimed in claim 1, wherein: the outside cladding of lead wire has the protection casing, the protection casing is fixed set up in on the apron.

3. The automatic fire extinguishing component for the refueling wicket as claimed in claim 2, wherein: the dry powder extinguishing agent and the driving medium are both coated in the barrier film.

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