CN213442083U - Oil filling pipe with high sealing performance - Google Patents
Oil filling pipe with high sealing performance Download PDFInfo
- Publication number
- CN213442083U CN213442083U CN202022462626.8U CN202022462626U CN213442083U CN 213442083 U CN213442083 U CN 213442083U CN 202022462626 U CN202022462626 U CN 202022462626U CN 213442083 U CN213442083 U CN 213442083U
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- Prior art keywords
- pipe
- oil filling
- oil
- filler
- filler neck
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Abstract
The application discloses a high-sealing oil filling pipe, which is matched and connected with an oil filling cover, wherein the oil filling cover comprises a sealing body fixedly connected with the cover bottom wall of the oil filling cover through a connecting rod, the bottom surface of the sealing body is a convex cambered surface, the oil filling pipe comprises an oil filling pipe orifice, the oil filling pipe orifice comprises a pipe orifice inner wall, a groove is annularly arranged on the pipe orifice inner wall, the groove is in a circular ring shape, and a sealing ring is matched and embedded in the groove; the top of the spherical pipe is communicated with the bottom of the filler neck, and the spherical pipe and the filler neck are coaxially arranged; the top of the main oil filling pipe is communicated with the bottom of the oil filling pipe orifice; when the oil filling cover covers the oil filling pipe opening tightly, the sealing body is abutted to the sealing ring. The utility model provides an add oil pipe, be connected seal and filler neck transition fit for the gap between seal and the mouth of pipe inner wall is bigger, is convenient for stretch into and take out from the filler neck more easily with adding oil cover fixed connection's seal.
Description
Technical Field
The application relates to the technical field of automobiles, in particular to an oil filling pipe with high sealing performance.
Background
With the rapid development of the automobile industry in China and the continuous improvement of the living standard of people, automobiles more and more generally go into the lives and the works of people, and with the rapid development of the automobile industry, the automobile structure optimization and the performance improvement of various systems and parts of the automobiles become the problems which are increasingly discussed and solved by various automobile manufacturers. Wherein automobile designers pay more and more attention to the safety and the sealing reliability of the oil filling pipe.
The fuel tank of automobile is a container for storing fuel oil of automobile, and is mainly composed of fuel filling pipe and fuel tank component, etc. the fuel filling pipe assembly is used for conveying fuel oil into fuel tank when filling fuel. 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, the traditional connection between the oil filling pipe and the oil filling cover mainly depends on a smooth sealing ring with a common structure to seal the oil filling pipe opening, but the sealing performance of the sealing structure is not very high, so that potential safety hazards are caused.
SUMMERY OF THE UTILITY MODEL
The present application provides a high-sealability filler tube to solve the problems mentioned in the background art above.
In order to achieve the above object, the utility model provides a following technical scheme:
according to an aspect of the application, a convenient to dismantle automobile stand decoration assembly is provided, it is connected with the cooperation of adding oil cap to add the oil pipe, add oil cap include through the connecting rod with add oil cap's lid bottom wall fixed connection's seal, establish to bellied cambered surface the bottom surface of seal, wherein it includes to add the oil pipe:
the refueling nozzle comprises a nozzle inner wall, a groove is annularly arranged on the nozzle inner wall, the groove is in a circular ring shape, and a sealing ring is embedded and connected in the groove in a matched manner;
the spherical pipe is in a hollow sphere shape, the top of the spherical pipe is communicated with the bottom of the filler neck, and the spherical pipe and the filler neck are coaxially arranged;
the top of the main oil filling pipe is communicated with the bottom of the spherical pipe;
when the oil filling cover covers the oil filling pipe opening tightly, the sealing body is abutted to the sealing ring.
According to some embodiments, the arc surface is a hemispherical arc.
According to some embodiments, the seal is cylindrical in shape;
the sealing ring is a ring body, and the inner diameter of the sealing ring is larger than the diameter of the radial section of the sealing body.
According to some embodiments, the seal ring is a metal rubber seal ring.
According to some embodiments, the recess is in the shape of a circular ring, the recess being arranged coaxially with the filler neck.
According to some embodiments, the filler neck comprises a neck outer wall fixedly connected with a connecting flange, and the connecting flange is arranged coaxially with the filler neck.
According to some embodiments, the filler neck further comprises a vent pipe, wherein a vent hole is formed in the filler neck at a position between the connecting flange and the bottom of the filler neck, and the vent pipe is communicated with the vent hole.
According to some embodiments, the filler neck has a pipe diameter twice that of the filler neck.
Compared with the prior art, the beneficial effects of the utility model are as follows:
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, and the capacity of the filler neck is increased through the spherical pipe additionally arranged at the filler neck, so that an oil filler is in the self-oiling process, when fuel oil is observed to be filled, a buffer capacity belt is provided by the spherical pipe, and the potential safety hazard caused by the overflow of the fuel oil due to the over-emergency refueling of the oil filler is avoided.
Furthermore, a groove is annularly arranged on the inner wall of the pipe orifice of the filler pipe orifice, the groove is in a circular ring shape, a sealing ring is fixedly embedded and connected in the groove, and the filler cap comprises a sealing body fixedly connected with the cap bottom wall of the filler cap through a connecting rod. After the automobile oil tank is filled with fuel oil, the oil filling cover is tightly matched and connected with the oil filling pipe orifice, the cover bottom wall of the oil filling cover passes through the sealing body fixedly connected with the connecting rod and is abutted to the sealing ring fixedly connected with the inner wall of the pipe orifice of the oil filling pipe orifice, so that the sealing body is highly sealed with the sealing ring for the first time, the oil filling cover is highly sealed with the oil filling pipe orifice in a tightly matched and connected mode for the second time, and the sealing structure is twice arranged, so that the oil filling cover is highly sealed with the oil filling pipe.
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 perspective view of a highly sealable filler tube according to the present invention;
FIG. 2 is a schematic plan view of the oil filling pipe of the present invention;
fig. 3 is the structure schematic diagram of the oil filler cap of the utility model when covering the oil filler pipe orifice tightly.
In the figure: a fuel filler cap 100; a connecting rod 110; a sealing body 120; a filler neck 200; a nozzle inner wall 210; a recess 211; a seal ring 212; a nozzle outer wall 220; a connecting flange 221; a bulb 300; the filler neck 400.
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.
With the rapid development of the automobile industry in China and the continuous improvement of the living standard of people, automobiles more and more generally go into the lives and the works of people, and with the rapid development of the automobile industry, the automobile structure optimization and the performance improvement of various systems and parts of the automobiles become the problems which are increasingly discussed and solved by various automobile manufacturers. Wherein automobile designers pay more and more attention to the safety and the sealing reliability of the oil filling pipe. The fuel tank of automobile is a container for storing fuel oil of automobile, and is mainly composed of fuel filling pipe and fuel tank component, etc. the fuel filling pipe assembly is used for conveying fuel oil into fuel tank when filling fuel. 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, the traditional connection between the oil filling pipe and the oil filling cover mainly depends on a smooth sealing ring with a common structure to seal the oil filling pipe opening, but the sealing performance of the sealing structure is not very high, so that potential safety hazards are caused.
FIG. 1 is a schematic perspective view of a highly sealable filler tube according to the present invention; FIG. 2 is a schematic plan view of the oil filling pipe of the present invention; fig. 3 is the structure schematic diagram of the oil filler cap of the utility model when covering the oil filler pipe orifice tightly. As shown in fig. 1-3, the present application provides a fuel filler tube with high sealability. Through this oil filler pipe, set up two seal structure, can realize highly sealed between oil filler pipe and the car adds oil cap 100 for the fuel in the car oil tank after filling with the fuel is difficult for spilling over and adds oil filler pipe, its embodiment as follows.
The filler tube is cooperatively coupled to the filler cap 100. the filler cap 100 includes a seal body 120 fixedly coupled to the cap bottom wall of the filler cap 100 by a coupling rod 110. The sealing body 120 may be a sphere or a cylinder, and the sealing body 120 may be a solid or a hollow body.
The filler pipe comprises a filler pipe orifice 200, the filler pipe orifice 200 comprises a pipe orifice inner wall 210, a groove 211 is annularly arranged on the pipe orifice inner wall 210, the groove 211 is in a circular ring shape, and a sealing ring 212 is fixedly connected in the groove 211. The spherical pipe 300 is shaped like a hollow sphere, the top of the spherical pipe 300 is communicated with the bottom of the filler neck 200, and the spherical pipe 300 and the filler neck 200 are coaxially arranged. The top of the main fuel filler pipe 400 communicates with the bottom of the spherical tube 300. When the filler neck 200 covers the filler cap 100, the seal body 120 abuts against the seal ring 212.
In the above scheme, the bottom of filler neck 200 and the top of filling in the oil main pipe 400 between the intercommunication have bulb 300, and the shape of bulb 300 is the clean ball form, thereby increase the capacity of filler neck 200 through bulb 300 that filler neck 200 department adds for the personnel of refueling is at the self-propelled refueling in-process, when observing that the fuel is about to fill up, provides a buffer capacity area by bulb 300, avoids the personnel of refueling to refuel and makes the fuel spill over and cause the potential safety hazard excessively urgently. Further, a groove 211 is annularly formed on a nozzle inner wall 210 of the filler neck 200, the groove 211 is in a circular ring shape, a sealing ring 212 is fixedly embedded and connected in the groove 211, and the filler cap 100 comprises a sealing body 120 fixedly connected with a cap bottom wall of the filler cap 100 through a connecting rod 110. After the automobile fuel tank is filled with fuel oil, after the oil filling cover 100 is tightly matched and connected with the oil filling pipe orifice 200, the cover bottom wall of the oil filling cover 100 passes through the sealing body 120 fixedly connected with the connecting rod 110 and is abutted to the sealing ring 212 fixedly connected with the pipe orifice inner wall 210 of the oil filling pipe orifice 200, so that the sealing body 120 and the sealing ring 212 are highly sealed for the first time, the tight matching and connection between the oil filling cover 100 and the oil filling pipe orifice 200 is highly sealed for the second time, and the sealing structure is sealed for two times, so that the high sealing between the oil filling cover 100 and the oil filling pipe is.
As shown in fig. 1, in order to make the sealing body 120 and the sealing ring 212 highly sealed for the first time, the sealing body 120 needs to extend into the filler neck 200 to make the sealing body 120 abut against the sealing ring 212 disposed on the inner wall 210 of the filler neck, and at this time, the sealing body 120 and the filler neck 200 need to be in transition fit connection, or may be in clearance fit connection, but in order to make the sealing body 120 more easily extend into the filler neck 200. In this embodiment, the sealing body 120 is in transition fit connection with the filler neck 200, so that the gap between the sealing body 120 and the neck inner wall 210 is larger, and the sealing body 120 fixedly connected with the fuel filler cap 100 can be more easily extended into and taken out from the filler neck 200.
In order to make the sealing body 120 connected with the filler pipe and the sealing ring 212 arranged on the inner wall 210 of the nozzle of the filler neck 200 abut tightly, and further make the sealing body 120 and the sealing ring 212 highly sealed, after the filler cap 100 is connected with the filler neck 200 in a matching manner, the distance from the bottom of the sealing body 120 to the bottom of the filler cap 100 is equal to the distance from the top of the sealing ring 212 to the bottom of the filler cap 100. The sealing body 120 may be cylindrical, the corresponding sealing ring 212 may be a circular ring, and the inner diameter of the sealing ring 212 is larger than the diameter of the radial section of the sealing body 120, so that the bottom surface of the sealing body 120 is abutted to the top surface of the sealing ring 212.
In addition, the sealing body 120 may be spherical, and the surface of the sealing ring 212 abutting against the sealing body 120 is an arc surface, so that the arc surface is fitted into the spherical sealing body 120, and the sealing body 120 abuts against the sealing ring 212 more tightly.
In order to enable the sealing ring 212 to have a better sealing effect, the sealing ring 212 is a metal rubber sealing ring 212, and the metal rubber sealing ring 212 is made of stainless steel wires, does not contain any rubber component, and has strong use characteristics. The surface of the sealing ring 212 is made of different materials such as stainless steel, copper, polytetrafluoroethylene and the like according to different purposes, and the coated metal rubber component is used as a lining core, so that the sealing ring has the advantages of high sealing strength, good effect, reusability and the like. Thereby making the seal ring 212 more practical.
In addition, the groove 211 may be configured to be circular ring-shaped, that is, the ring surface of the circular ring-shaped body is arc-shaped. The groove 211 may also be a square ring shape, that is, the ring surface of the square ring shaped groove 211 has a corner, and the specific shape of the groove 211 may be set according to the shape of the sealing ring 212, so that the sealing ring 212 can be engaged with the groove 211. In addition, the groove 211 and the filler neck 200 are coaxially arranged, so that the radial section of the annular groove 211 is parallel to the pipe diameter section of the filler neck 200, and the sealing ring 212 is abutted to the sealing body 120 more tightly.
The oil filling pipe further comprises a pipe orifice outer wall 220, the pipe orifice outer wall 220 is fixedly connected with a connecting flange 221, and the connecting flange 221 and the oil filling pipe orifice 200 are coaxially arranged. Since the filler neck 200 needs to be fixedly connected to the motorcycle, the filler neck is a structure of being fixedly connected to the motorcycle. In this embodiment, the nozzle structure of the filler tube includes a connecting flange 221, the outer ring of the connecting flange 221 may be not only circular but also square, and the inner ring of the connecting flange 221 is circular and is coaxially disposed with the filler nozzle 200, so that the radial cross section of the connecting flange 221 is parallel to the radial cross section of the filler nozzle 200, and in addition, the inner ring wall of the connecting flange 221 and the nozzle outer wall 220 are disposed in clearance fit, and the inner ring wall of the connecting flange 221 and the nozzle outer wall 220 of the filler tube are fixedly connected. In addition, the connecting flange 221 is provided with four threaded holes arranged in a circular matrix, and the connecting flange 221 is in threaded connection with the locomotive. Thus, the filler neck 200 can be fixedly connected to the vehicle through the connection flange 221 by a simple structure and a convenient installation of the connection flange 221.
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. In this embodiment, the filler tube further includes a vent tube, and a vent hole is disposed on the filler tube opening 200 between the connecting flange 221 and the bottom of the filler tube opening 200, and communicates the vent tube with the vent hole. Thereby making the fuel filling process smoother.
Because the pipe diameter department of filler neck 200 is too narrow, when filling fuel to the car oil tank, the fuel easily spills over or the blowout because of the velocity of flow is too fast from filler neck 200 department for cause the potential safety hazard, consequently need set up the pipe diameter of filler neck 200 to be bigger than the pipe diameter of filler main pipe 400, form a refueling buffering area, the pipe diameter of filler neck 200 can be twice of the pipe diameter of filler main pipe 400, can also be three times. In this embodiment, the diameter of the filler neck 200 is twice that of the filler main tube 400, so that the fuel is not easy to overflow the filler neck 200 when filling the fuel tank with fuel.
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 (8)
1. The utility model provides a high leakproofness adds oil pipe, its characterized in that adds oil pipe and adds the oil cap cooperation and is connected, add the oil cap include through the connecting rod with add oil cap's lid bottom wall fixed connection's seal, establish to bellied cambered surface the bottom surface of seal, wherein add the oil pipe and include:
the refueling nozzle comprises a nozzle inner wall, a groove is annularly arranged on the nozzle inner wall, the groove is in a circular ring shape, and a sealing ring is embedded and connected in the groove in a matched manner;
the spherical pipe is in a hollow sphere shape, the top of the spherical pipe is communicated with the bottom of the filler neck, and the spherical pipe and the filler neck are coaxially arranged;
the top of the main oil filling pipe is communicated with the bottom of the spherical pipe;
when the oil filling cover covers the oil filling pipe opening tightly, the sealing body is abutted to the sealing ring.
2. The fuel filler pipe with high sealability as claimed in claim 1,
the cambered surface is a hemispherical arc.
3. The fuel filler pipe with high sealability as claimed in claim 1,
the sealing ring is a ring body, and the inner diameter of the sealing ring is larger than the diameter of the radial section of the sealing body.
4. The fuel filler pipe with high sealability as claimed in claim 1,
the sealing ring is a metal rubber sealing ring.
5. The fuel filler pipe with high sealability as claimed in claim 1,
the groove is in a circular ring shape and is coaxial with the filler pipe orifice.
6. The fuel filler pipe with high sealability as claimed in claim 1,
still include mouth of pipe outer wall, mouth of pipe outer wall fixedly connected with flange, flange with filler neck coaxial setting.
7. The fuel filler pipe with high sealability as claimed in claim 6,
still include the breather pipe, be located on the filler neck the flange with the position is equipped with the air vent between the bottom of filler neck, the breather pipe with the air vent intercommunication.
8. The fuel filler pipe with high sealability as claimed in claim 1,
the pipe diameter of the filler neck is twice that of the filler main pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022462626.8U CN213442083U (en) | 2020-10-29 | 2020-10-29 | Oil filling pipe with high sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022462626.8U CN213442083U (en) | 2020-10-29 | 2020-10-29 | Oil filling pipe with high sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213442083U true CN213442083U (en) | 2021-06-15 |
Family
ID=76297085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022462626.8U Expired - Fee Related CN213442083U (en) | 2020-10-29 | 2020-10-29 | Oil filling pipe with high sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213442083U (en) |
-
2020
- 2020-10-29 CN CN202022462626.8U patent/CN213442083U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210615 Termination date: 20211029 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |