CN204323043U - A kind of oral area electric installation of plastics fuel filler pipe - Google Patents
A kind of oral area electric installation of plastics fuel filler pipe Download PDFInfo
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- CN204323043U CN204323043U CN201420727136.8U CN201420727136U CN204323043U CN 204323043 U CN204323043 U CN 204323043U CN 201420727136 U CN201420727136 U CN 201420727136U CN 204323043 U CN204323043 U CN 204323043U
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- filler pipe
- fuel filler
- electric installation
- filler neck
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Abstract
The utility model relates to a kind of oral area electric installation of plastics fuel filler pipe, described electric installation comprises fuel filler pipe body, described fuel filler pipe body is provided with filler neck, described electric installation also comprises metal captive nut, metal captive nut is arranged on fuel filler pipe body by the mode of quadric injection mould, described electric installation also comprises metal insert, and metal insert one end is arranged on filler neck by quadric injection mould, and the other end is connected with metal captive nut by bolt, metal trim ring.The beneficial effects of the utility model are as follows: 1) whole Technical Design is ingenious, rational in infrastructure; 2) conductive material is used by plastics filler neck, fuel filler pipe body uses electrically nonconducting material, with metal insert, filler neck and metal captive nut are carried out conduction to be connected, thus realize filler neck ground connection, prevent gathering of filler neck electrostatic, stop the risk that electrostatic spark pilot fuel steam occurs in refueling process.
Description
Technical field
The utility model relates to a kind of electric installation, especially relates to a kind of oral area electric installation of plastics fuel filler pipe, belongs to auto parts and components product technical field.
Background technology
When to fuel tank of vehicle fuel up, the flowing velocity of fuel oil reaches 40L/Min usually, due to the high-speed friction of fuel oil and fuel filler pipe, a large amount of electric charges can be produced, for metal fuel filler pipe, due to the electric conductivity of fuel filler pipe metallic material, electric charge by the connection on fuel filler pipe and chassis, can carry out grounding.And the material of plastics fuel filler pipe is normally nonconducting, fuel filler pipe can assemble a large amount of electric charges, if these electric charges discharge not in time, the following negative impact can be produced, 1) electromagnetic interference is produced, affect the work of electronic component and computing machine, even damage electronic component and computing machine 2) corrosion is produced to fuel oil system, cause fuel oil system to produce little leak.3) charge accumulated is to certain degree, under given conditions, and pilot fuel of may discharging steam.Generally, by reducing the separation of electric charge, reducing the accumulation of electric charge, preventing the methods such as charge discharge from avoiding electrostatic to the harm of fuel oil system.The dressing habits of Oil supplier or chaufeur and behavioural habits, carry a large amount of electrostatic with it, and when using nozzle, electrostatic is delivered on nozzle.When nozzle contacts with automobile refuelling pipe, if there is electric potential difference between fuel filler pipe and nozzle, between nozzle and fuel filler pipe, can electric discharge phenomena be produced, there is the risk of pilot fuel steam.Therefore, while guarantee nozzle ground connection, the ground connection of plastics fuel filler pipe oral area be ensured; For plastics fuel filler pipe, the position of filler neck and nozzle contact be ensured, and the resistance between the contact point of chassis is less than 1 megohm, just can avoid the gathering of fuel filler pipe electrostatic.
Fuel filler pipe structure of the prior art, is connected by hot plate welding with fuel filler pipe body by filler neck, and metal captive nut is shaping together with fuel filler pipe body as inserts when the injection mo(u)lding of fuel filler pipe body.For realizing the conductive earthing of filler neck, when not changing original structure, can conductive material be used, as conduction POM, manufacturing filler neck and fuel filler pipe body, the ground connection of filler neck can be realized like this.But because the price of conductive material is higher, the weight of fuel filler pipe body is comparatively large, causes cost increase larger.Therefore, above-mentioned technical matters is solved in the urgent need to a kind of new technical scheme.
Summary of the invention
The utility model is just for the technical matters existed in prior art, a kind of oral area electric installation of plastics fuel filler pipe is provided, the conductive structure of a kind of plastics fuel filler pipe of this Technical Design, its effect is the electric charge will produced during fuel up, be connected ground connection by conductive material with car chassis, prevent static focus from producing spark initiation fire.
To achieve these goals, the technical solution adopted in the utility model is, a kind of oral area electric installation of plastics fuel filler pipe, it is characterized in that, described electric installation comprises fuel filler pipe body, described fuel filler pipe body is provided with filler neck, described electric installation also comprises metal captive nut, metal captive nut is arranged on fuel filler pipe body by the mode of quadric injection mould, the Main Function of metal captive nut is fixedly on auto body by fuel filler pipe assembly, described electric installation also comprises metal insert, metal insert one end is arranged on filler neck by quadric injection mould, the other end passes through bolt, metal trim ring is connected with metal captive nut.Achieve filler neck by metal insert to be like this connected with the conduction of metal captive nut.
Improve as one of the present utility model, one end that described metal insert is connected with metal captive nut is loop configuration, the outer annular diameter 14mm of loop configuration, annular diameters 11.5mm.Arrange like this and can ensure that metal insert and metal captive nut have enough area of contact
Improve as one of the present utility model, one end that described metal insert and filler neck are fixed is set to elongate thin chip architecture, and centre is provided with groove or borehole structure.For preventing metal insert to get loose rotation, be elongate thin chip architecture with filler neck cooperation place structure, there are groove or borehole structure in centre.
Improve as one of the present utility model, the length of described metal insert elongate thin chip architecture is not less than 14mm, and the thickness of metal insert is not less than 0.4mm.Arrange like this and ensure that metal insert and metal captive nut have enough area of contact on the one hand, ensure that on the other hand the other end of metal insert does not affect intensity and the sealing property of filler neck by the structure design of quadric injection mould and filler neck connection metal inserted sheet, and ensure that metal insert and filler neck hot plate welding part keep rational distance.
Improve as one of the present utility model, described filler neck is made up of conductive plastic.
Improve as one of the present utility model, described fuel filler pipe body is made up of non electrically conductive material.Prevent gathering of filler neck electrostatic, stop the risk that electrostatic spark pilot fuel steam occurs in refueling process.
Improve as one of the present utility model, described electric installation also comprises metal trim ring, and metal insert and metal captive nut are crimped together by described metal trim ring.Thus achieve filler neck and be connected with the conduction of vehicle body, achieve the ground connection of filler neck.
Improve as one of the present utility model, metal insert is fixed on metal captive nut by described metal trim ring, preventing metal insert by external force deformation in logistics progress, simultaneously when assembling fuel filler pipe, ensureing the area of contact of metal insert and metal nuts and bolt.The outer annular diameter of metal trim ring is greater than metal insert external diameter diameter.Annular diameters is less than metal insert annular diameters, but must not affect the assembling of bolt.Metal trim ring and metal captive nut adopt interference fit, and metal trim ring must not come off in logistics progress.
Relative to prior art, the beneficial effects of the utility model are as follows: 1) whole Technical Design is ingenious, rational in infrastructure; 2) conductive material is used by plastics filler neck, fuel filler pipe body uses electrically nonconducting material, with metal insert, filler neck and metal captive nut are carried out conduction to be connected, thus realize filler neck ground connection, prevent gathering of filler neck electrostatic, stop the risk that electrostatic spark pilot fuel steam occurs in refueling process; 3) filler neck uses conductive plastic material manufacture, embeds metal insert when injection mo(u)lding.Fuel filler pipe body adopts electrically nonconducting material manufacture, metal insert and metal captive nut is crimped together with trim ring, thus achieves filler neck and be connected with the conduction of vehicle body, achieves the ground connection of filler neck; 4) filler neck and metal captive nut have been carried out conducting electricity being connected, achieved the conductive earthing of filler neck, greatly reduce the use of conductive material, this technical scheme cost is lower, is convenient to apply on a large scale.
Accompanying drawing explanation
Fig. 1 is the utility model integral structure schematic diagram;
Fig. 2 is the utility model birds-eye view;
Fig. 3 is the utility model lateral plan;
Fig. 4 is the A-A cutaway view of Fig. 2;
Fig. 5 is metal insert structural representation;
Fig. 6 is metal crimp coil structures schematic diagram.
In figure: 1, fuel filler pipe body, 2, filler neck, 3, metal captive nut, 4, metal insert, 5, metal trim ring, 6, loop configuration, 7, elongate thin chip architecture, 8, groove or borehole structure.
Detailed description of the invention
In order to deepen understanding and cognition of the present utility model, below in conjunction with accompanying drawing the utility model be further described and introduce.
embodiment 1:see Fig. 1-Fig. 4, Fig. 6, a kind of oral area electric installation of plastics fuel filler pipe, described electric installation comprises fuel filler pipe body 1, described fuel filler pipe body 1 is provided with filler neck 2, described electric installation also comprises metal captive nut 3, metal captive nut 3 is arranged on fuel filler pipe body 1 by the mode of quadric injection mould, the Main Function of metal captive nut 3 is fixedly on auto body by fuel filler pipe assembly, described electric installation also comprises metal insert 4, metal insert 4 one end is arranged on filler neck 2 by quadric injection mould, the other end passes through bolt, metal trim ring 5 is connected with metal captive nut 3.Achieve filler neck by metal insert to be like this connected with the conduction of metal captive nut.
embodiment 2:see Fig. 1, Fig. 5, improve as one of the present utility model, one end that described metal insert 4 is connected with metal captive nut 3 is loop configuration 6, the outer annular diameter 14mm of loop configuration 6, annular diameters 11.5mm.Arrange like this and can ensure that metal insert and metal captive nut have enough area of contact
embodiment 3:see Fig. 1, Fig. 5, improve as one of the present utility model, one end that described metal insert and filler neck are fixed is set to elongate thin chip architecture 7, and centre is provided with groove or borehole structure 8.For preventing metal insert to get loose rotation, be elongate thin chip architecture with filler neck cooperation place structure, there are groove or borehole structure in centre.
embodiment 4:see Fig. 5, improve as one of the present utility model, the length of described elongate thin chip architecture is not less than 14mm, and the thickness of metal insert is not less than 0.4mm.Arrange like this and ensure that metal insert and metal captive nut have enough area of contact on the one hand, ensure that on the other hand the other end of metal insert does not affect intensity and the sealing property of filler neck by the structure design of quadric injection mould and filler neck connection metal inserted sheet, and ensure that metal insert and filler neck hot plate welding part keep rational distance.
embodiment 5:see Fig. 1, Fig. 6, described filler neck 2 is made up of conductive plastic, and described fuel filler pipe body 1 is made up of non electrically conductive material.This technical scheme achieves filler neck and is connected with the conduction of vehicle body, achieve the ground connection of filler neck, described electric installation also comprises metal trim ring 5, metal insert and metal captive nut are crimped together by described metal trim ring 5, thus achieve filler neck and be connected with the conduction of vehicle body, achieve the ground connection of filler neck.
At least one in technical characteristic described in embodiment 2,3,4,5 and embodiment 1 can also be combined to form new embodiment by the utility model.
It should be noted that above-described embodiment, be not used for limiting protection domain of the present utility model, equivalents done on the basis of technique scheme or the alternative scope all falling into the utility model claim and protect.
Claims (7)
1. the oral area electric installation of a plastics fuel filler pipe, it is characterized in that, described electric installation comprises fuel filler pipe body, described fuel filler pipe body is provided with filler neck, described electric installation also comprises metal captive nut, and metal captive nut is arranged on fuel filler pipe body by the mode of quadric injection mould, and described electric installation also comprises metal insert, metal insert one end is arranged on filler neck by quadric injection mould, and the other end is connected with metal captive nut by bolt, metal trim ring.
2. the oral area electric installation of plastics fuel filler pipe according to claim 1, is characterized in that, one end that described metal insert is connected with metal captive nut is loop configuration, the outer annular diameter 14mm of loop configuration, annular diameters 11.5mm.
3. the oral area electric installation of plastics fuel filler pipe according to claim 2, is characterized in that, one end that described metal insert and filler neck are fixed is set to elongate thin chip architecture, and centre is provided with groove or borehole structure.
4. the oral area electric installation of plastics fuel filler pipe according to claim 3, is characterized in that, the length of described elongate thin chip architecture is not less than 14mm, and the thickness of metal insert is not less than 0.4mm.
5. the oral area electric installation of the plastics fuel filler pipe according to Claims 2 or 3 or 4, is characterized in that, described filler neck is made up of conductive plastic.
6. the oral area electric installation of plastics fuel filler pipe according to claim 5, is characterized in that, described fuel filler pipe body is made up of non electrically conductive material.
7. the oral area electric installation of plastics fuel filler pipe according to claim 6, is characterized in that, the outer annular diameter of described metal trim ring is greater than metal insert external diameter diameter, and annular diameters is less than metal insert annular diameters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420727136.8U CN204323043U (en) | 2014-11-28 | 2014-11-28 | A kind of oral area electric installation of plastics fuel filler pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420727136.8U CN204323043U (en) | 2014-11-28 | 2014-11-28 | A kind of oral area electric installation of plastics fuel filler pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204323043U true CN204323043U (en) | 2015-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420727136.8U Active CN204323043U (en) | 2014-11-28 | 2014-11-28 | A kind of oral area electric installation of plastics fuel filler pipe |
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| CN (1) | CN204323043U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110758092A (en) * | 2019-12-04 | 2020-02-07 | 戴胜汽车科技（苏州）有限公司 | Metal oil filling pipe assembled with plastic oil pipe head |
| CN113910893A (en) * | 2020-07-09 | 2022-01-11 | 麦格纳能源储存***公司 | Fuel tank apparatus |
-
2014
- 2014-11-28 CN CN201420727136.8U patent/CN204323043U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110758092A (en) * | 2019-12-04 | 2020-02-07 | 戴胜汽车科技（苏州）有限公司 | Metal oil filling pipe assembled with plastic oil pipe head |
| CN113910893A (en) * | 2020-07-09 | 2022-01-11 | 麦格纳能源储存***公司 | Fuel tank apparatus |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |