CN201777121U - Fuel tank - Google Patents
Fuel tank Download PDFInfo
- Publication number
- CN201777121U CN201777121U CN2010202336777U CN201020233677U CN201777121U CN 201777121 U CN201777121 U CN 201777121U CN 2010202336777 U CN2010202336777 U CN 2010202336777U CN 201020233677 U CN201020233677 U CN 201020233677U CN 201777121 U CN201777121 U CN 201777121U
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- CN
- China
- Prior art keywords
- flange
- upper shell
- lower house
- fuel tank
- shell flange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The utility model relates to a fuel tank, which comprises an upper shell and a lower shell. The upper shell and the lower shell are respectively provided with a corresponding upper shell flange and a corresponding lower shell flange, the upper shell flange and the lower shell flange are connected through a weld seam, the outer edges of the upper shell flange and the lower shell flange are respectively provided with a plurality of protruding structures correspondingly extending outwards along the radial direction of the upper shell flange and the lower shell flange, and the protruding structures are correspondingly connected through welding. The utility model can not only save materials, but also can greatly improve the production efficiency and the product qualification rate.
Description
Technical field
The utility model relates to a kind of fuel tank structure of power actuated vehicle.
Background technology
Along with constant development of economy, the output of automobile has had the growth of advancing by leaps and bounds.And the fuel tank of present most of automobile is the metal fuel tank, this kind metal fuel tank has this procedure of fuel tank upper and lower casing mould assembling in manufacturing process, be the point welding process of fuel tank upper and lower casing before the seam weldering, and spot welded position all is on the flange of fuel tank upper and lower casing.
At present, during owing to the mould assembling of fuel tank upper and lower casing, the sealing live part of fuel tank must can not be destroyed in the outside of seam weldering in spot welded position in the time of could guaranteeing spot welding like this.So this wants broad with regard to the flange that requires the fuel tank upper and lower casing, and to pay special attention to spot welded position during spot welding, can not be near the inboard of flange.But, in the actual course of processing, but can not fully guarantee spot welded position.Therefore, the structure of present motor vehicle fuel case has not only been wasted material, has been reduced production efficiency, has also increased the reject rate of fuel tank.
The utility model content
At the fuel tank of prior art, the waste material of existence, the problem that production efficiency is low and reject rate is high, the utility model provide a kind of can saving in material, enhance productivity and the fuel tank of product quality.
A kind of fuel tank, have upper shell and lower house, described upper shell and lower house are respectively arranged with respective superior body flange and lower house flange, described upper shell flange is connected by the seam weldering with the lower house flange, wherein, be respectively arranged with accordingly a plurality of outstanding structure that extends radially outwardly along upper shell flange and lower house flange at the outer edge of upper shell flange and lower house flange, described a plurality of outstanding structures are welded to connect accordingly.
As further improvement, described outstanding structure is tabular.
As further improvement, described outstanding structure is semicircle or square or triangle.
As further improvement, the width of described upper shell flange and lower house flange only is set to satisfy in the seam welder preface width demand to upper shell flange and lower house flange.
As further improvement, described outstanding structure is arranged on the ad-hoc location of outer edge of upper shell flange and lower house flange, and this ad-hoc location is arranged on to satisfying and makes upper shell flange and lower house flange avoid the position of the alice phenomenon that takes place to deviate from mutually in seam welder preface.
As further improvement, the described corresponding a plurality of outstanding structure that is separately positioned on upper shell flange and lower house flange constitutes the outstanding structure of many groups, the outstanding structure of described many groups is six groups, two groups of two medium positions than long side that are arranged on upper shell flange and lower house flange respectively wherein are on other four groups of four crooked positions that join mutually than long side and shorter lateral sides of such that are arranged on upper shell flange and lower house flange.
The fuel tank that the utility model provides, outer edge at upper shell flange and lower house flange is respectively arranged with a plurality of accordingly outstanding structures, finish point welding process by a plurality of outstanding structures, so just can be in the production process of fuel tank, prevent effectively because operator's maloperation, cause solder joint to appear at the inboard at the seam weldering position of fuel tank, can guarantee production efficiency of products and product quality effectively.Simultaneously, because the setting of outstanding structure, just can be so that the width of upper shell flange and lower house flange is set to only satisfy and stitch that the width demand to upper shell flange and lower house flange gets final product in welder's preface, saving in material greatly.
Description of drawings
Fig. 1 is the integral structure scheme drawing of a kind of embodiment of a kind of fuel tank of the present utility model;
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As shown in Figure 1, a kind of embodiment of a kind of fuel tank of the present utility model, have upper shell 1 and lower house 2, described upper shell 1 and lower house 2 are metal shell, described upper shell 1 and lower house 2 are respectively arranged with respective superior body flange 3 and lower house flange 4, described upper shell flange 3 is connected by the seam weldering with lower house flange 4, wherein, be respectively arranged with accordingly a plurality of outstanding structure 5 that extends radially outwardly along upper shell flange 3 and lower house flange 4 at the outer edge of upper shell flange 3 and lower house flange 4, described a plurality of outstanding structures 5 are welded to connect accordingly.
Described outstanding structure 5 is a tabular, helps the carrying out of point welding process.Simultaneously, outstanding structure 5 can semicircular in shape or square or triangle or the like, as long as can satisfy the requirement of point welding process.In the present embodiment, described outstanding structure 5 semicirculars in shape.
Because the outer edge at upper shell flange 3 and lower house flange 4 is provided with a plurality of corresponding outstanding structures 5 respectively, then, the relative narrower that the width of described upper shell flange 3 and lower house flange 4 just can be provided with some, described point welding process all carries out on above-mentioned outstanding structure 5, the solder joint that is to say point welding process then is on the outstanding structure 5, rather than on upper shell flange 3 and lower house flange 4 bodies, the relative narrower that the width of upper shell flange 3 and lower house flange 4 just can be provided with.Certainly, the width of upper shell flange 3 and lower house flange 4 also is that certain requirement is arranged, promptly be that the width of described upper shell flange 3 and lower house flange 4 is set to only satisfy that the width demand to upper shell flange 3 and lower house flange 4 gets final product in the seam welder preface, for example, when in the seam welder preface width demand of upper shell flange 3 and lower house flange 4 being 2cm, then the width of upper shell flange 3 and lower house flange 4 all need be set to more than or equal to 2cm, at this moment, the width of upper shell flange 3 and lower house flange 4 all is set to 2.5cm, and outstanding structure 5 then all is set to the upper shell flange 3 of 2.5cm and lower house flange 4 from above-mentioned width and extends radially outwardly and form.
Described outstanding structure 5 is arranged on the ad-hoc location of outer edge of upper shell flange 3 and lower house flange 4, and this ad-hoc location is arranged on to satisfying upper shell flange 3 and lower house flange 4 are avoided on the position of the alice phenomenon that takes place to deviate from mutually.Before seam welder preface, also have some welder's prefaces, this point welding process is exactly for before seam welder preface, upper shell flange 3 can be linked together by relative failure-free with lower house flange 4, be creating favorable conditions of seam welder's preface, because in seam welder preface, if point welding process does not reach requirement, the upper shell flange 3 alice phenomenon that 4 generations deviate from mutually with the lower house flange just may appear, so the position of the setting of outstanding structure 5 should possess above-mentioned requirement, according to each fuel tank concrete structure difference, position is set for it and number has corresponding variation.The described corresponding a plurality of outstanding structure 5 that is separately positioned on upper shell flange 3 and lower house flange 4 constitutes the outstanding structure of many groups.The described quantity that is arranged on a plurality of outstanding structure 5 of upper shell flange 3 is greater than more than two, the described quantity that is arranged on a plurality of outstanding structure 5 of lower house flange 4 is all mutually greater than more than two, and consistent with the quantity of a plurality of outstanding structure 5 of above-mentioned upper shell flange 3.As shown in Figure 1, in the present embodiment, the described outstanding structure 5 that is arranged on upper shell flange 3 is six, the described outstanding structure 5 that is arranged on lower house flange 4 is six, six outstanding structures 5 of upper shell flange 3 and six outstanding structures 5 of lower house flange 4 are corresponding one by one to constitute six groups of outstanding structures, two groups of two medium positions than long side that are arranged on upper shell flange 3 and lower house flange 4 respectively wherein are on other four groups of four crooked positions that join mutually than long side and shorter lateral sides of such that are arranged on upper shell flange 3 and lower house flange 4.
When the upper shell 1 of fuel tank and lower house 2 mould assembling, with welding gun the many groups of design-calculated are given prominence to the system point solder together earlier, make lower house on the fuel tank neat to together, so just can not take place in process of production because operator's maloperation, cause solder joint to appear at the inboard at fuel tank seam weldering position, make fuel tank have the risk of leakage of oil, and then the upper shell 1 of fuel tank and lower house 2 seam solder togethers.So both save material, improved production efficiency again greatly; And reduced the reject rate of fuel tank, provide cost savings.
Above embodiment is the unrestricted the technical solution of the utility model in order to explanation only, although the utility model is had been described in detail with reference to the foregoing description, those of ordinary skill in the art is to be understood that: still can make amendment or be equal to replacement the utility model, the any modification or partial replacement that does not break away from spirit and scope of the present utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (6)
1. fuel tank, have upper shell and lower house, described upper shell and lower house are respectively arranged with respective superior body flange and lower house flange, described upper shell flange is connected by the seam weldering with the lower house flange, it is characterized in that: be respectively arranged with accordingly a plurality of outstanding structure that extends radially outwardly along upper shell flange and lower house flange at the outer edge of upper shell flange and lower house flange, described a plurality of outstanding structures are welded to connect accordingly.
2. fuel tank as claimed in claim 1 is characterized in that: described outstanding structure is tabular.
3. fuel tank as claimed in claim 2 is characterized in that: described outstanding structure is semicircle or square or triangle.
4. fuel tank as claimed in claim 1 is characterized in that: the width of described upper shell flange and lower house flange only is set to satisfy in the seam welder preface width demand to upper shell flange and lower house flange.
5. fuel tank as claimed in claim 1, it is characterized in that: described outstanding structure is arranged on the ad-hoc location of outer edge of upper shell flange and lower house flange, and this ad-hoc location is arranged on to satisfying and makes upper shell flange and lower house flange avoid the position of the alice phenomenon that takes place to deviate from mutually in seam welder preface.
6. fuel tank as claimed in claim 5, it is characterized in that: the described corresponding a plurality of outstanding structure that is separately positioned on upper shell flange and lower house flange constitutes the outstanding structure of many groups, the outstanding structure of described many groups is six groups, two groups of two medium positions than long side that are arranged on upper shell flange and lower house flange respectively wherein are on other four groups of four crooked positions that join mutually than long side and shorter lateral sides of such that are arranged on upper shell flange and lower house flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202336777U CN201777121U (en) | 2010-06-13 | 2010-06-13 | Fuel tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202336777U CN201777121U (en) | 2010-06-13 | 2010-06-13 | Fuel tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201777121U true CN201777121U (en) | 2011-03-30 |
Family
ID=43790347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202336777U Expired - Lifetime CN201777121U (en) | 2010-06-13 | 2010-06-13 | Fuel tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201777121U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105377498A (en) * | 2013-06-25 | 2016-03-02 | 本田技研工业株式会社 | Seam welding method and vehicular body |
-
2010
- 2010-06-13 CN CN2010202336777U patent/CN201777121U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105377498A (en) * | 2013-06-25 | 2016-03-02 | 本田技研工业株式会社 | Seam welding method and vehicular body |
| CN105377498B (en) * | 2013-06-25 | 2019-05-21 | 本田技研工业株式会社 | Seam welding method and vehicle body |
| US10335890B2 (en) | 2013-06-25 | 2019-07-02 | Honda Motor Co., Ltd. | Seam welding method and vehicle body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110330 |