CN213442084U

CN213442084U - Nozzle structure and die of oil filling pipe

Info

Publication number: CN213442084U
Application number: CN202022462627.2U
Authority: CN
Inventors: 张新祖; 景睿
Original assignee: Wuhan Xutu Precision Machinery Co ltd
Current assignee: Wuhan Xutu Precision Machinery Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-06-15
Anticipated expiration: 2030-10-29

Abstract

The application discloses a nozzle structure and a die of an oil filling pipe, which comprise an oil filling pipe nozzle, wherein the oil filling pipe nozzle comprises an oil filling pipe wall, and the oil filling pipe wall is fixedly connected with a connecting flange; the spherical pipe is in a hollow sphere shape, the top of the spherical pipe is communicated with the bottom of the filler neck, the arc wall of the spherical pipe close to the filler neck is provided with a vent hole, and the spherical pipe and the filler neck are coaxially arranged; the vent pipe is communicated with the vent hole; refuel the main pipe, refuel the top of being responsible for and the bottom intercommunication of bulb. The breather pipe that the mouth of pipe structure set up through this oil filler pipe, with oil circuit and gas circuit separation, avoid fuel filling in-process to appear the phenomenon that the fuel recoils and chocks to and the bulb pipe that adds is the buffering area that refuels that the mouth of pipe provided for the oil filler, avoid refuel personnel to refuel and make the fuel overflow in an emergency.

Description

Nozzle structure and die of oil filling pipe

Technical Field

The application relates to the technical field of automobiles, in particular to a pipe orifice structure and a die of an oil filling pipe.

Background

With the rapid development of the automobile industry in China and the continuous improvement of the living standard of people, more and more automobiles are driven. The automobile usually takes gasoline or diesel oil as fuel and is provided with an oil tank, and when some oil filling pipes are filled with the fuel, the fuel is filled and the fuel returns through one pipeline, so that the fuel filling is not smooth enough, and the phenomenon of fuel back choking is easy to occur, therefore, the existing oil filling pipes have improved space.

For conventional vehicles, when the fuel nozzle is used to fill a fuel tube assembly with fuel, the insertion angle and depth of the fuel nozzle are random and cannot be controlled well, and when the fuel nozzle is pushed against the inner wall of the fuel tube or the insertion depth is not enough, the fuel will be choked back into the fuel filler vent tube, even the fuel will overflow the nozzle of the fuel tube. Moreover, when the automobile runs for a long distance, a driver is required to carry fuel to refuel the locomotive, and when the driver observes that the fuel is about to be filled in the self-refueling process, the fuel can overflow due to the over-emergency refueling. In addition, because the pipe diameter of the filler neck in the prior art is too narrow and small, fuel splashes out of the filler pipe in the refueling process, and potential safety hazards are caused.

SUMMERY OF THE UTILITY MODEL

The application provides a mouth of pipe structure and mould of oil filler pipe to solve the problem that mentions in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

according to an aspect of the present application, there is provided a nozzle structure and a mold for an oil filler pipe, including:

the oil filler pipe orifice comprises an oil filler pipe wall, and the oil filler pipe wall is fixedly connected with a connecting flange;

the spherical pipe is in a hollow sphere shape, the top of the spherical pipe is communicated with the bottom of the filler neck, a vent hole is formed in the arc wall, close to the filler neck, of the spherical pipe, and the spherical pipe and the filler neck are coaxially arranged;

the vent pipe is communicated with the vent hole;

the top of the main oil filling pipe is communicated with the bottom of the spherical pipe.

According to some embodiments, the diameter of the bulb is twice the diameter of the filler neck, which is twice the diameter of the filler main tube.

According to some embodiments, the vent tube extends in the direction of the filler neck, the bulb and the filler neck.

According to some embodiments, still include the stationary blade, the stationary blade is integrated into one piece, the stationary blade includes first square piece, the square piece of second and arc piece, first square piece with the square piece of second is located respectively the both ends of arc piece, the concave cambered surface of arc piece with the pipe wall slope setting and the welding of being responsible for refuels, first square piece with the pipe wall fixed connection of breather pipe, the square piece of second and locomotive fixed connection.

According to some embodiments, the oil filling pipe further comprises a reinforcing part, wherein the reinforcing part comprises a first circular ring piece and a second circular ring piece, the first circular ring piece is fixedly welded between the wall of the oil filling pipe and the wall of the spherical pipe, and the second circular ring piece is fixedly welded between the wall of the spherical pipe and the wall of the oil filling main pipe.

According to some embodiments, the top of the main filler pipe is connected to the bottom of the bulb tube by welding.

According to some embodiments, the connection flange is annular and is arranged coaxially with the filler neck.

According to some embodiments, the connecting flange is provided with four threaded holes arranged in a circular matrix, and the connecting flange is in threaded connection with the locomotive through the threaded holes.

The disclosed embodiment of this application still provides a mould of the mouth of pipe structure of oil filler pipe, including foretell mouth of pipe structure of oil filler pipe, this mould is used for stamping forming the pipe monomer, mouth of pipe structure is by two the concatenation of pipe monomer forms.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the pipe orifice structure is provided with a vent pipe, so that an oil path is separated from an air path, and the phenomenon of back choking of fuel oil in the fuel oil filling process is avoided.

In addition, the bottom of the filler neck and the top of the main filler pipe are communicated with each other to form a spherical pipe, the spherical pipe is shaped like a hollow sphere, the capacity of the filler neck is increased through the spherical pipe additionally arranged at the filler neck, so that an oiling person can provide a buffer capacity belt when observing that fuel is about to be filled by the self-oiling process, and potential safety hazards caused by fuel overflow due to over-emergency refueling of the oiling person are avoided.

Furthermore, the vent hole communicated with the vent pipe is arranged on the arc wall of the spherical pipe close to the filler pipe opening, so that when a filler injects fuel into the automobile fuel tank through the filler pipe, the phenomenon that the injected fuel is not easy to splash into the vent pipe to cause unsmooth ventilation of the vent pipe can be avoided.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic structural view of a nozzle structure of an oil filling pipe according to the present invention;

FIG. 2 is a partial schematic view of the nozzle configuration shown in FIG. 1;

fig. 3 is a top view of the nozzle structure shown in fig. 1.

Fig. 4 is a schematic structural diagram of a nozzle structure of an oil filling pipe manufactured by the nozzle structure mold according to the present invention.

In the figure: a filler neck 100; a tubing wall 110; a connecting flange 120; a bulb 200; a vent hole 210; a tube unit 220; a breather pipe 300; a main refueling pipe 400; a fixing plate 410; a first square piece 411; a second square piece 412; an arc piece 413; a reinforcement part 500; a first circular ring piece 510; a second circular ring piece 520.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

For conventional vehicles, when the fuel nozzle is used to fill a fuel tube assembly with fuel, the insertion angle and depth of the fuel nozzle are random and cannot be controlled well, and when the fuel nozzle is pushed against the inner wall of the fuel tube or the insertion depth is not enough, the fuel will be choked back into the fuel filler vent tube, even the fuel will overflow the nozzle of the fuel tube. Moreover, when the automobile runs for a long distance, a driver is required to carry fuel to refuel the locomotive, and when the driver observes that the fuel is about to be filled in the self-refueling process, the fuel overflows due to the over-emergency refueling, so that potential safety hazards are caused.

FIG. 1 is a schematic structural view of a nozzle structure of an oil filling pipe according to the present invention; FIG. 2 is a partial schematic view of the nozzle configuration shown in FIG. 1; fig. 3 is a top view of the nozzle structure shown in fig. 1. As shown in fig. 1 to 3, the present application provides a filler neck structure including a filler neck 100, a vent pipe 300, a bulb 200, and a filler main pipe 400. The breather pipe 300 arranged through the pipe orifice structure of the oil filling pipe separates an oil path from an air path, avoids the phenomenon of back choking of fuel oil in the fuel oil filling process, and avoids the phenomenon that an oil filling person is too urgent to fill oil to enable the fuel oil to overflow an oil filling pipeline or splash into the breather hole to cause the breather pipe to be unsmooth in ventilation for the added oil filling buffer belt of the oil filling pipe orifice 100, and the specific embodiment is as follows.

The filler neck 100 includes a filler tube wall 110, the filler tube wall 110 is fixedly connected with a connecting flange 120, wherein the connecting flange 120 and the filler tube wall 110 can be welded or screwed, when the connecting flange 120 and the filler tube wall 110 are screwed, an inner ring of the connecting flange 120 and the filler tube wall 110 need to be in clearance fit connection, an inner screw thread is arranged on the inner ring of the connecting flange 120, an outer screw thread matched with the inner screw thread is arranged on the filler tube wall 110, and a limit ring is welded on the edge of the outer screw thread of the filler tube wall 110. In the process of connecting the connecting flange 120 and the oil filling pipe wall 110 in a threaded manner, the connecting flange 120 is sleeved on the oil filling pipe wall 110, and then the connecting flange 120 is rotated until the inner ring wall of the connecting flange 120 is abutted against a limiting ring arranged on the oil filling pipe wall 110, so that the connecting flange 120 and the oil filling pipe wall 110 can be easily and fixedly connected in a threaded manner. The connecting flange 120 fixedly connected with the filler pipe wall 110 can fixedly connect the filler neck 100 with the locomotive through the connecting flange 120, so that the filler neck 100 is stably installed on the locomotive.

In order to avoid the phenomenon of fuel back choking caused by unbalanced air pressure in the fuel filling process, a structure of separating an oil path and an air path of the oil filling pipe can be adopted, namely, the oil filling pipe is provided with a vent hole 210, and the vent pipe 300 is communicated with the vent hole 210, so that the fuel filling process is smoother.

In addition, when a refueling person refuels the locomotive fuel tank by himself, when fuel is observed to be about to be filled, fuel can be rapidly refueled to cause fuel overflow. In order to avoid the phenomenon, the spherical pipe 200 is fixedly communicated between the filler neck 100 and the filler main pipe 400, and the spherical pipe 200 is in a hollow sphere shape, namely, a filler neck 100 is additionally provided with a refueling volume buffer belt, so that the phenomenon that fuel overflows due to the fact that the fuel level is observed but the fuel is overflowed due to over-emergency refueling in the refueling process is avoided. The circular arc wall of the spherical pipe 200 close to the filler neck 100 is provided with a vent hole 210, which communicates the vent pipe 300 with the vent hole 210, so that the injected fuel is not easy to splash into the vent pipe 300, which results in unsmooth ventilation of the vent pipe 300. The bulb 200 is positioned coaxially with the filler neck 100, which makes the filling of the tank of the vehicle smoother.

The top of the main oil filling pipe 400 is communicated with the bottom of the spherical pipe 200, and the main oil filling pipe 400 is communicated with an automobile oil tank. Wherein refuel the actual need of being responsible for 400 and formulate according to the locomotive oil tank, refuel the pipe wall that is responsible for 400 in addition and can also be equipped with the backing sheet for support breather pipe 300, and to refuel and be responsible for 400 and fix, prevent to refuel and be responsible for 400 when the locomotive starts, because the locomotive vibrations, refuel and be responsible for 400 and rock thereupon, cause refuel and be responsible for the dropping of 400, the fuel filling process of being more convenient for simultaneously is more smooth and easy.

In the embodiment of the disclosure, the pipe orifice structure is provided with the vent pipe, so that the oil path is separated from the gas path, and the phenomenon of back choking of fuel oil in the fuel oil filling process is avoided. In addition, the bottom of the filler neck 100 and the top of the main filler pipe 400 are communicated with the spherical pipe 200, the spherical pipe 200 is in a hollow sphere shape, and the spherical pipe 200 is additionally arranged at the filler neck 100, so that the capacity of the filler neck 100 is increased, a buffer capacity belt is provided by the spherical pipe 200 when fuel is observed to be filled by a filler in the self-refueling process, and potential safety hazards caused by fuel overflow due to over-emergency refueling of the filler are avoided. Further, the vent hole 210 communicated with the vent pipe 300 is arranged on the arc wall of the spherical pipe 200 close to the filler neck 100, so that when a filler injects fuel into an automobile fuel tank through the filler pipe, the situation that the vent pipe 300 is not easy to be splashed into the vent pipe 300 to cause unsmooth ventilation of the vent pipe 300 can be avoided.

The pipe diameter of the spherical pipe 200 is twice the pipe diameter of the filler neck 100, and the pipe diameter of the filler neck 100 is twice the pipe diameter of the filler main pipe 400. In the above embodiment, since the spherical pipe 200 provides a fuel filling buffer strip for the fuel filling pipe, the spherical pipe 200 can be spherical or rugby-shaped, and the diameter of the spherical pipe 200 is twice of the fuel filling pipe opening 100, and the diameter of the fuel filling pipe opening 100 is twice of the fuel filling main pipe 400, so that the fuel filling pipe is not easy to overflow when the fuel is about to be filled.

The breather pipe 300 extends in the direction of the filler neck 100, the bulb 200, and the filler neck 400. In the process of filling fuel, when the fuel filling pipe fills fuel, the fuel inlet and the return gas both flow through one pipeline, so that the fuel filling is not smooth enough, and the phenomenon of fuel back-choking is easy to occur, therefore, in this embodiment, the vent hole 210 is arranged on the fuel filling pipe wall 110 of the fuel filling pipe orifice 100, so that the vent pipe 300 is communicated with the vent hole 210, the oil path and the air path are separated, the phenomenon of fuel back-choking occurring in the fuel filling process is avoided, and the vent pipe 300 extends towards the fuel filling pipe orifice 100, the spherical pipe 200 and the main fuel filling pipe 400.

This nozzle structure of oil filler pipe still includes stationary blade 410, stationary blade 410 is integrated into one piece, stationary blade 410 includes first square piece 411, second square piece 412 and arc piece 413, first square piece 411 and second square piece 412 are located the both ends of arc piece 413 respectively, the concave surface of arc piece 413 sets up and welds with the pipe wall slope of the oil filler person in charge 400, first square piece 411 is used for fixed breather pipe 300, second square piece 412 is used for and locomotive fixed connection, just so can make stationary blade 410 both be used for fixed breather pipe 300 can also make the oil filler person in charge 400 fixed with the workshop mutually.

Because strengthen the mouth of pipe, be fixed connection in proper order between bulb 200 and the main pipe 400 of refueling, but because the locomotive just can jolt because of the road is uneven in the in-process of traveling, it can and then become flexible because of rocking to cause the structure between the oil pipe, and then cause the potential safety hazard of refueling, in order to make the structural connection between the oil pipe more firm, in this embodiment, this mouth of pipe structure of refueling pipe still includes rib 500, wherein rib 500 includes first ring piece 510 and second ring piece 520, fixed welding has first ring piece 510 between the pipe wall of filler neck 100 and the pipe wall of bulb 200, the fixed welding of pipe wall and the main pipe 400's of refueling of bulb 200 pipe wall has second ring piece 520. This serves to reinforce the connection between the filler neck 100 and the bulb 200, and the connection strength between the bulb 200 and the filler main pipe 400, by the reinforcement part 500.

The bottom of the filler neck 100 communicates with the top of the spherical tube 200 by welding, and the top of the filler main tube 400 communicates with the bottom of the spherical tube 200 by welding. The filler neck 100, the spherical tube 200 and the filler main pipe 400 can be integrally formed, but in order to save cost, the filler neck 100, the spherical tube 200 and the filler main pipe 400 are fixedly welded by welding.

Since the filler neck 100 needs to be fixedly connected to the locomotive, the filler neck is a structure of the fixed connection to the locomotive. In this embodiment, the filler tube wall 110 of the filler tube has a connecting flange 120 fixedly attached thereto, and the connecting flange 120 is disposed coaxially with the filler neck 100. Since the filler neck 100 needs to be fixedly connected to the locomotive, the filler neck is a structure of the fixed connection to the locomotive. In this embodiment, this nozzle structure of oil filler pipe includes flange 120, and the shape of flange 120's outer lane is not only circular, can also be square, and flange 120's inner circle be circular and with the coaxial setting of filler pipe nozzle 100, so alright so that flange 120's radial cross section is parallel with filler pipe nozzle 100's radial cross section, flange 120's inner circle wall sets up clearance fit with the nozzle outer wall in addition, and with flange 120 inner circle wall and filler pipe's nozzle outer wall fixed connection. In addition, four threaded holes arranged in a circular matrix are formed in the connecting flange 120, and the connecting flange 120 is in threaded connection with the locomotive. Thus, the filler neck 100 can be fixedly coupled to the vehicle through the connection flange 120 by a simple structure of the connection flange 120 and a convenient installation manner.

As shown in fig. 4, the disclosed embodiment of the present invention further provides a mold for a nozzle structure of an oil filling pipe, including the above nozzle structure of an oil filling pipe. The die is used for stamping the pipe single bodies 220, and the pipe orifice structure is formed by splicing two pipe single bodies 220.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present application, it is to be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and specific meanings of the above terms may be understood by those skilled in the art according to specific situations.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A nozzle structure of a filler pipe, comprising:

a vent tube in communication with the vent hole;

2. The nozzle structure of a filler pipe according to claim 1, wherein a pipe diameter of the spherical pipe is twice as large as a pipe diameter of the filler pipe nozzle, and a pipe diameter of the filler pipe nozzle is twice as large as a pipe diameter of the filler main pipe.

3. The nozzle structure of a filler pipe according to claim 1, wherein the vent pipe extends in the direction of the filler nozzle, the bulb pipe, and the filler main pipe.

4. The nozzle structure of an oil filling pipe according to claim 1, further comprising a fixing plate, wherein the fixing plate is integrally formed, the fixing plate comprises a first square plate, a second square plate and an arc plate, the first square plate and the second square plate are respectively located at two ends of the arc plate, a concave arc surface of the arc plate and a pipe wall of the oil filling main pipe are obliquely arranged and welded, the first square plate is fixedly connected with the pipe wall of the vent pipe, and the second square plate is fixedly connected with a locomotive.

5. The nozzle structure of the oil filling pipe according to claim 1, further comprising a reinforcement part, wherein the reinforcement part comprises a first ring piece and a second ring piece, the first ring piece is fixedly welded between the wall of the oil filling pipe and the wall of the spherical pipe, and the second ring piece is fixedly welded between the wall of the spherical pipe and the wall of the oil filling main pipe.

6. The nozzle structure of a filler tube as claimed in claim 1, wherein the bottom of the filler tube nozzle communicates with the top of the spherical tube by welding, and the top of the filler tube main tube communicates with the bottom of the spherical tube by welding.

7. The nozzle structure of a filler tube according to claim 1, wherein the connecting flange has a circular ring shape, and the connecting flange is disposed coaxially with the filler tube nozzle.

8. The nozzle structure of an oil filling pipe according to claim 7, wherein the connecting flange is provided with four threaded holes arranged in a circular matrix, and the connecting flange is in threaded connection with a locomotive through the threaded holes.

9. A die for processing the nozzle structure of the oil filling pipe according to any one of claims 1 to 8, wherein the die is used for punch forming of a pipe single body, and the nozzle structure is formed by splicing two pipe single bodies.