CN205009986U - CNG motorcycle type gas cylinder mounting point structure - Google Patents
CNG motorcycle type gas cylinder mounting point structure Download PDFInfo
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- CN205009986U CN205009986U CN201520718412.9U CN201520718412U CN205009986U CN 205009986 U CN205009986 U CN 205009986U CN 201520718412 U CN201520718412 U CN 201520718412U CN 205009986 U CN205009986 U CN 205009986U
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- gas cylinder
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- point support
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Abstract
The utility model discloses a CNG motorcycle type gas cylinder mounting point structure, including left back longeron and right back longeron, the section of left back longeron and right back longeron all is " nearly " style of calligraphy, still includes before two gas cylinders mounting point support behind mounting point support and two gas cylinders, the section of mounting point support is " nearly " style of calligraphy before the gas cylinder, and the middle part of holding surface is equipped with bolt hole on first, and the bolt hole department welding of holding surface has projection nut on first, the section of mounting point support is " nearly " style of calligraphy behind the gas cylinder, and the middle part of holding surface is equipped with bolt hole on the second, and the bolt hole department welding of holding surface has projection nut on the second, before two gas cylinders / and back mounting point support bilateral symmetry arranges, and before one of them gas cylinder / back mounting point support forms the closed box column structure with the welding of left back longeron, before another gas cylinder / back mounting point support forms the closed box column structure with the welding of right back longeron, the utility model discloses can solve the problem that gas cylinder mounting point intensity is not enough.
Description
Technical field
The utility model belongs to automotive body structure, is specifically related to a kind of CNG vehicle gas cylinder attachment point structure.
Background technology
CNG vehicle (namely making the vehicle of motor vehicle fuel with compression natural gas) is the vehicle that a kind of gasoline conventional with compression natural gas replacement or diesel oil are used as fuel, compression natural gas is stored in the special gas cylinder (steel cylinder) of of automotive interior, because the pressure of compression natural gas is very high, general up to 20MPa, gas cylinder needs to bear so large pressure, so corresponding gas cylinder wall thickness just thicker (about more than 6mm), therefore gas cylinder quality is also just larger, and gas cylinder is full of the total mass after compression natural gas substantially at about 90Kg.
This gas cylinder is on body structure inner after being bundled in automobile, forms the structure of a rigidity, therefore need to increase corresponding gas cylinder attachment point on vehicle body with body structure.CNG vehicle generally uses as taxicar, the applying working condition very severe of taxicar, use mileage number is in a short time also larger, if the taxicar bearing CNG gas cylinder is in severe road conditions for a long time or anxious accelerates and anxious when slowing down, be now a very large test to the intensity of gas cylinder fixed installation point on vehicle body.
The CNG vehicle gas cylinder attachment point in past is directly perforate on floor side member assembly (left and right) flange, then adopt the bolt of a M10 from top to bottom through gas cylinder fixing support assembly and rear floor back segment and floor side member assembly (left and right), but the words of this mode, automobile is when bearing fully loaded gas cylinder, floor side member is concentrated at tapping stress, under long-term stress concentrates situation, floor side member assembly (left and right) tapping generation cracking phenomena.
Therefore, be necessary to develop a kind of new CNG vehicle gas cylinder attachment point structure.
Summary of the invention
The purpose of this utility model is to provide a kind of CNG vehicle gas cylinder attachment point structure, to solve the problem of gas cylinder attachment point undercapacity.
CNG vehicle gas cylinder attachment point structure described in the utility model, comprises left rear longitudinal beam and right back longeron, and the section of described left rear longitudinal beam and right back longeron, all in "Ji" type, also to comprise before two gas cylinders attachment point support after attachment point support and two gas cylinders;
Before described gas cylinder, the section of attachment point support is "Ji" type, comprise bearing surface on first, and upper end first leading flank that connect corresponding to the front of bearing surface on first and back and the first trailing flank respectively, on first, the middle part of bearing surface is provided with bolt through-hole, and on first, the bolt through-hole place of bearing surface is welded with project-welding nut;
After described gas cylinder, the section of attachment point support is "Ji" type, comprise bearing surface on second, and upper end second leading flank that connect corresponding to the front of bearing surface on second and back and the second trailing flank respectively, on second, the middle part of bearing surface is provided with bolt through-hole, and on second, the bolt through-hole place of bearing surface is welded with project-welding nut;
Before two gas cylinders, attachment point support is symmetrically arranged, and before one of them gas cylinder attachment point support weld with left rear longitudinal beam formed close box like structure, before another gas cylinder, attachment point support and right back longitudinal beam welding form closed box like structure;
After two gas cylinders, attachment point support is symmetrically arranged, and after one of them gas cylinder attachment point support weld with left rear longitudinal beam formed close box like structure, after another gas cylinder, attachment point support and right back longitudinal beam welding form closed box like structure.
Before described gas cylinder, attachment point support the right and left of bearing surface on first is respectively equipped with the first flange, the second flange is respectively equipped with at the right and left of the first leading flank and the right and left of the first trailing flank, the first leading flank below and the first trailing flank be respectively equipped with the 3rd flange below, and between the first flange and the second flange, and between the second flange and the 3rd flange, there is gap; Before gas cylinder, attachment point support is respectively by the first flange, the second flange and the 3rd flange and corresponding left rear longitudinal beam and right back longitudinal beam welding, owing to being provided with gap between adjacent two flange, can guarantee that part does not ftracture when stamped.
After described gas cylinder, attachment point support the right and left of bearing surface on second is respectively equipped with the first flange, the second flange is respectively equipped with at the right and left of the second leading flank and the right and left of the second trailing flank, the second leading flank below and the second trailing flank be respectively equipped with the 3rd flange below, and between the first flange and the second flange, and between the second flange and the 3rd flange, there is gap; After gas cylinder, attachment point support is respectively by the first flange, the second flange and the 3rd flange and corresponding left rear longitudinal beam and right back longitudinal beam welding, owing to being provided with gap between adjacent two flange, can guarantee that part does not ftracture when stamped.
Before described gas cylinder attachment point support the first trailing flank on be longitudinally provided with reinforced rib, to ensure the intensity of part, prevent part resilience.
After described gas cylinder, the second leading flank of attachment point support and the second trailing flank are longitudinally provided with reinforced rib, to ensure the intensity of part, prevent part resilience.
The 3rd flange that described first leading flank is following is provided with two plug welding holes.
The utility model has the following advantages: before gas cylinder after attachment point support, gas cylinder attachment point support structurally all in " several " character form structure, left rear longitudinal beam and right back longeron are also in "Ji" type structure, two "Ji" type structure weldings form a complete closed box like structure together, this enclosing square box like structure can effectively by Stress transmit that attachment point support after attachment point support, gas cylinder before gas cylinder bears on left rear longitudinal beam and right back longeron, the stress reducing single part is concentrated.
Accompanying drawing explanation
Fig. 1 is one of structural representation of the present utility model (not comprising right back rail portion);
Fig. 2 is the enlarged diagram of I in Fig. 1;
Fig. 3 is the structural representation of attachment point support before the gas cylinder in Fig. 1;
Fig. 4 is the structural representation of attachment point support after the gas cylinder in Fig. 1;
Fig. 5 is structural representation two (not comprising right back rail portion) of the present utility model;
Fig. 6 is the section-drawing along A-A line in Fig. 5;
Fig. 7 is the section-drawing along B-B line in Fig. 5;
Fig. 8 is solder joint distribution graph in the utility model;
Fig. 9 is the enlarged drawing of in Fig. 8 II;
Figure 10 is the cutaway view along C-C line in Fig. 9;
Figure 11 is using state figure of the present utility model;
Figure 12 is the enlarged diagram of in Figure 11 III.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
CNG vehicle gas cylinder attachment point structure as shown in Fig. 1 and Figure 10, comprise left rear longitudinal beam 7 and right back longeron 18, the section of described left rear longitudinal beam 7 and right back longeron 18, all in "Ji" type, also to comprise before two gas cylinders attachment point support 5 after attachment point support 1 and two gas cylinders.Before described gas cylinder, the section of attachment point support 1 is "Ji" type, comprise bearing surface on first, and upper end first leading flank that connect corresponding to the front of bearing surface on first and back and the first trailing flank respectively, on first, the middle part of bearing surface is provided with on the rear floor back segment 13 of bolt through-hole 3(above this part and also has onesize via hole), this bolt through-hole 3 is also for welding location, after on first, bolt through-hole 3 place of bearing surface is welded with gas cylinder described in project-welding nut 19, the section of attachment point support 5 is "Ji" type, comprise bearing surface on second, and upper end second leading flank that connect corresponding to the front of bearing surface on second and back and the second trailing flank respectively, on second, the middle part of bearing surface is provided with bolt through-hole 3, on second, bolt through-hole 3 place of bearing surface is welded with project-welding nut 19.Before two gas cylinders, attachment point support 1 is symmetrically arranged, and before one of them gas cylinder, attachment point support 1 welds with left rear longitudinal beam 7 to be formed and closes box like structure, and before another gas cylinder, attachment point support 1 welds with right back longeron 18 and forms closed box like structure.After two gas cylinders, attachment point support 5 is symmetrically arranged, and after one of them gas cylinder, attachment point support 5 welds with left rear longitudinal beam 7 to be formed and closes box like structure, and after another gas cylinder, attachment point support 5 welds with right back longeron 18 and forms closed box like structure.This enclosing square box like structure can effectively by Stress transmit that attachment point support 5 after attachment point support 1, gas cylinder before gas cylinder bears on left rear longitudinal beam 7 and right back longeron 18, the stress reducing single part is concentrated.
As shown in Fig. 8 to Figure 10, before described gas cylinder, attachment point support 1 the right and left of bearing surface on first is respectively equipped with the first flange 14, be respectively equipped with the second flange 15 at the right and left of the first leading flank and the right and left of the first trailing flank, the first leading flank below and the first trailing flank be respectively equipped with the 3rd flange 16 below.Before gas cylinder, attachment point support 1 is by four the second flange 15(i.e. four side faying surfaces) and two the 3rd flange 16(i.e. end faying surface and the faying surface of the front end after one) overlap mate with floor side member (comprising left rear longitudinal beam 7 and right back longeron 18).These six faying surfaces punishment cloth totally 9 weld nuggets (each 2 solder joints respectively on four side faying surfaces, faying surface of the rear end distributes 1 solder joint.), the 3rd flange 16 that described first leading flank is following is provided with two plug welding holes 4, for gas cylinder before attachment point support 1 lower support part be welded and fixed.Before gas cylinder, attachment point support 1 is welded with floor side member (comprising left rear longitudinal beam 7 and right back longeron 18) by two the first flange 14 again, and this region adopts CO
2the Type of Welding of protection weldering, fusion length, all at about 20mm, improves " rigidization " and the fixing of attachment point support 1 and floor side member before gas cylinder further.Before gas cylinder between the first flange 14 of attachment point support 1 and the second flange 15, and between the second flange 15 and the 3rd flange 16, there is gap 17; Can guarantee that part does not ftracture when stamped.Before described gas cylinder attachment point support 1 the first trailing flank on be longitudinally provided with reinforced rib 6, to ensure the intensity of part, prevent part resilience.
As shown in Fig. 8 to Figure 10, after described gas cylinder, attachment point support 5 the right and left of bearing surface on second is respectively equipped with the first flange 14, the second flange 15 is respectively equipped with at the right and left of the second leading flank and the right and left of the second trailing flank, the second leading flank below and the second trailing flank be respectively equipped with the 3rd flange 16 below, after gas cylinder, attachment point support 5 is by four the second flange 15(i.e. four side faying surfaces) and two the 3rd flange 16(i.e. end faying surface and the faying surface of the front end after one) overlap mate with floor side member (comprising left rear longitudinal beam 7 and right back longeron 18).At these six faying surfaces punishment cloth totally 10 weld nuggets (each 2 solder joints respectively on four side faying surfaces, each distribution 1 solder joint on faying surface of the front end and faying surface of the rear end.）。After gas cylinder, attachment point support 5 is welded with floor side member by two the first flange 14 again, and this region adopts CO
2the Type of Welding of protection weldering, fusion length all at about 20mm, " rigidization " and the fixing of attachment point support 5 and floor side member (comprising left rear longitudinal beam 7 and right back longeron 18) after improving gas cylinder further.Between the first flange 14 and the second flange 15, and between the second flange 15 and the 3rd flange 16, there is gap 17; Owing to being provided with gap 17 between adjacent two flange, can guarantee that part does not ftracture when stamped.After described gas cylinder, the second leading flank of attachment point support 5 and the second trailing flank are longitudinally provided with reinforced rib 6, to ensure the intensity of part, prevent part resilience.
As is illustrated by figs. 11 and 12, the assembling mode of gas cylinder is: be first placed on by gas cylinder fixing support assembly 12 on rear floor back segment 13, then 4 M10 bolts (GB9074.15-88M10X1.25X30) are used to be each passed through the hole of 4 attachment points on gas cylinder fixing support assembly 12, this bolt also have passed through the installation via hole on rear floor back segment 13 simultaneously, last bolt by with rear floor back segment 13 below gas cylinder before attachment point support 11, project-welding nut 19 after gas cylinder on attachment point support 5 is connected and fixed, gas cylinder fixing support assembly 12 is fixed on body structure, finally gas cylinder 11 is arranged on gas cylinder fixing support assembly 12.
Claims (6)
1. a CNG vehicle gas cylinder attachment point structure, comprise left rear longitudinal beam (7) and right back longeron (18), the section of described left rear longitudinal beam (7) and right back longeron (18), all in "Ji" type, is characterized in that: also to comprise before two gas cylinders attachment point support (5) after attachment point support (1) and two gas cylinders;
Before described gas cylinder, the section of attachment point support (1) is "Ji" type, comprise bearing surface on first, and upper end first leading flank that connect corresponding to the front of bearing surface on first and back and the first trailing flank respectively, on first, the middle part of bearing surface is provided with bolt through-hole (3), and on first, bolt through-hole (3) place of bearing surface is welded with project-welding nut (19);
After described gas cylinder, the section of attachment point support (5) is "Ji" type, comprise bearing surface on second, and upper end second leading flank that connect corresponding to the front of bearing surface on second and back and the second trailing flank respectively, on second, the middle part of bearing surface is provided with bolt through-hole (3), and on second, bolt through-hole (3) place of bearing surface is welded with project-welding nut (19);
Before two gas cylinders, attachment point support (1) is symmetrically arranged, and attachment point support (1) welds with left rear longitudinal beam (7) to be formed and closes box like structure before one of them gas cylinder, before another gas cylinder, attachment point support (1) welds with right back longeron (18) and forms closed box like structure;
After two gas cylinders, attachment point support (5) is symmetrically arranged, and attachment point support (5) welds with left rear longitudinal beam (7) to be formed and closes box like structure after one of them gas cylinder, after another gas cylinder, attachment point support (5) welds with right back longeron (18) and forms closed box like structure.
2. CNG vehicle gas cylinder attachment point structure according to claim 1, it is characterized in that: before described gas cylinder, attachment point support (1) the right and left of bearing surface on first is respectively equipped with the first flange (14), the second flange (15) is respectively equipped with at the right and left of the first leading flank and the right and left of the first trailing flank, the first leading flank below and the first trailing flank be respectively equipped with the 3rd flange (16) below, and between the first flange (14) and the second flange (15), and between the second flange (15) and the 3rd flange (16), there is gap (17).
3. CNG vehicle gas cylinder attachment point structure according to claim 1, it is characterized in that: after described gas cylinder, attachment point support (5) the right and left of bearing surface on second is respectively equipped with the first flange (14), the second flange (15) is respectively equipped with at the right and left of the second leading flank and the right and left of the second trailing flank, the second leading flank below and the second trailing flank be respectively equipped with the 3rd flange (16) below, and between the first flange (14) and the second flange (15), and between the second flange (15) and the 3rd flange (16), there is gap (17).
4. CNG vehicle gas cylinder attachment point structure according to claim 1 and 2, is characterized in that: before described gas cylinder attachment point support (1) the first trailing flank on be longitudinally provided with reinforced rib (6).
5. the CNG vehicle gas cylinder attachment point structure according to claim 1 or 3, is characterized in that: after described gas cylinder, the second leading flank of attachment point support (5) and the second trailing flank are longitudinally provided with reinforced rib (6).
6. CNG vehicle gas cylinder attachment point structure according to claim 4, is characterized in that: on the 3rd flange (16) that described first leading flank is following, be provided with two plug welding holes (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520718412.9U CN205009986U (en) | 2015-09-14 | 2015-09-14 | CNG motorcycle type gas cylinder mounting point structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520718412.9U CN205009986U (en) | 2015-09-14 | 2015-09-14 | CNG motorcycle type gas cylinder mounting point structure |
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| Publication Number | Publication Date |
|---|---|
| CN205009986U true CN205009986U (en) | 2016-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520718412.9U Active CN205009986U (en) | 2015-09-14 | 2015-09-14 | CNG motorcycle type gas cylinder mounting point structure |
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| CN (1) | CN205009986U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106394235A (en) * | 2016-09-23 | 2017-02-15 | 奇瑞汽车股份有限公司 | Mounting and fixing device for CNG automobile gas storage cylinder |
-
2015
- 2015-09-14 CN CN201520718412.9U patent/CN205009986U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106394235A (en) * | 2016-09-23 | 2017-02-15 | 奇瑞汽车股份有限公司 | Mounting and fixing device for CNG automobile gas storage cylinder |
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