CN204100875U - A kind of automotive heat exchanger two mainboard of lower piercing and flanging formula - Google Patents
A kind of automotive heat exchanger two mainboard of lower piercing and flanging formula Download PDFInfo
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- CN204100875U CN204100875U CN201420541420.6U CN201420541420U CN204100875U CN 204100875 U CN204100875 U CN 204100875U CN 201420541420 U CN201420541420 U CN 201420541420U CN 204100875 U CN204100875 U CN 204100875U
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Abstract
The utility model discloses the two mainboard of the lower piercing and flanging formula of a kind of automotive heat exchanger, comprise the composite construction that mainboard and lower mainboard are combined, lower mainboard has piercing and flanging, the mainboard hole that the short tube convexed to form after lower mainboard piercing and flanging inserts upper mainboard is inner, upper mainboard and lower mainboard combine back plane I and planar I I close contact, between planar I II and planar I V, there is gap, improve mainboard and radiating tube seam area, local strengthening is carried out to the nearly mainboard position of radiating tube, has improve structural strength.
Description
Technical field
The utility model relates to a kind of heat-exchanger rig, particularly relates to a kind of two mainboard structure automotive heat exchanger.
Background technology
In automobile normal course of operation, be unable to do without various heat exchanger, be ensure that the engine long time is stabilized in certain temperature range to the radiator of engine water jacket heat radiation, continue normal work continuously, keep the operating efficiency of engine the highest.Along with the development of auto industry, the continuous lifting of HP, hp/litre, the operating pressure of engine-cooling system improves constantly, the generally use of turbocharger, with the continuous lifting of turbo charge system performance, also there is the trend doubled in this system pressure and temperature, for adapting to the requirement of higher temperature, more high pressure, usual heat exchanger can not meet the demand of more high-engine.All there is a same problem in present heat exchanger mostly, that is exactly that the material wall thickness of mainboard or collector plate and radiating tube differs greatly, cause due to vibration, thermal shock, pressure change impacts and produce heat exchanger failure, cause automobile engine powerless in work, discharge exceeds standard, oil consumption rising, braking effect are poor, cannot switch situations such as driving in time more, thus impact normally works.Usually can there is the phenomenons such as mainboard distortion, cracking in existing routine techniques, be improve constantly due to charge air cooler internal system pressure, cause main board material intensity sharply decline and lost efficacy under high temperature, high-pressure situations.
Summary of the invention
The purpose of this utility model is: avoid prior art Problems existing, provides the lower piercing and flanging formula of automotive heat exchanger that a kind of structural strength is high two mainboard.
The technical solution of the utility model is: a kind of automotive heat exchanger two mainboard of lower piercing and flanging formula, comprise the composite construction that mainboard and lower mainboard are combined, lower mainboard has piercing and flanging, the mainboard hole that the short tube convexed to form after lower mainboard piercing and flanging inserts upper mainboard is inner, short tube coordinates with upper mainboard hole, the planar I raised up is provided with between the short tube that lower mainboard two is adjacent, the planar I I to lower convexity is provided with between the mainboard hole that upper mainboard two is adjacent, upper mainboard and lower mainboard combine back plane I and planar I I close contact, two ends, upper mainboard hole have planar I II, short tube two short two ends have planar I V, upper mainboard and lower mainboard combine between back plane III and planar I V has gap.
Further, upper mainboard and lower mainboard combine between back plane III and planar I V and have the gap of distance for 1mm ~ 10mm.
The beneficial effects of the utility model are: because the utility model have employed the composite construction that upper mainboard and lower mainboard combine, the structural strength of mainboard self is improved, simultaneously, the contact surface of mainboard and radiating tube is increased, improve mainboard and radiating tube seam area, make local weld strength strengthened, mainboard to radiating tube carry out part coated after, local strengthening has been carried out to the nearly mainboard position of radiating tube.While meeting requirements at the higher level engine, owing to there is gap between upper and lower mainboard, decrease materials, reduce cost.The utility model heat exchanger the most weakness carries out local strengthening, is optimized design to mainboard local, strengthens key position partial structurtes intensity, heat exchanger overall construction intensity is got a promotion.For charge air cooler, use the charge air cooler of the utility model structure, high temperature resistantly reach more than 260 DEG C, compression resistance can reach more than 2.0MPa, and (mill run is high temperature resistant is 160 DEG C, compression resistance is 1.1MPa), drastically increase resistance to temperature shock and the compression shock of product, the service life of product is enhanced about more than once, use the product of the utility model structure can be applicable to the applying working condition of multiple harshness.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the B-B sectional view of Fig. 1.
Detailed description of the invention
As can be seen from the B-B sectional view of the A-A sectional view of structural representation of the present utility model shown in Fig. 1, Fig. 2, Fig. 3, the utility model comprises the composite construction that mainboard and lower mainboard are combined, lower mainboard 111 has piercing and flanging, the mainboard hole 113 that the short tube 112 convexed to form after lower mainboard piercing and flanging inserts upper mainboard is inner, and short tube 112 coordinates with upper mainboard hole 113.The planar I 115 raised up is provided with between the short tube 112 that lower mainboard 111 liang is adjacent, the planar I I117 to lower convexity is provided with between the mainboard hole 113 that upper mainboard 116 liang is adjacent, upper mainboard 116 combines back plane I115 and planar I I117 close contact with lower mainboard 111, improves structural strength.Two ends, upper mainboard hole 113 have planar I II118, short tube 112 liang of short two ends have planar I V119, upper mainboard 116 and lower mainboard 111 combine between back plane III118 and planar I V119 has the gap of distance for 1mm ~ 10mm, has both saved material, and has turn improved intensity.
The utility model is optimized design to mainboard, enhance the structural strength of key position, improve mainboard and radiating tube seam area, the radiating tube of automotive heat exchanger inserts after in short tube 112, it is coated that mainboard carries out part to radiating tube, local strengthening is carried out to the nearly mainboard position of radiating tube, heat exchanger overall construction intensity is got a promotion.
Above-described embodiment is also specific implementation form provided by the utility model; the utility model is not limited to above-mentioned detailed description of the invention; the improvement that all those skilled in the art carry out without creative work and distortion, all belong to protection domain of the present utility model.
Claims (2)
1. the automotive heat exchanger two mainboard of lower piercing and flanging formula, it is characterized in that: comprise the composite construction that mainboard and lower mainboard are combined, lower mainboard (111) has piercing and flanging, in short tube (112) insertion convexed to form after lower mainboard piercing and flanging, the mainboard hole (113) of mainboard is inner, short tube (112) coordinates with upper mainboard hole (113), the planar I (115) raised up is provided with between the short tube (112) that lower mainboard (111) two is adjacent, the planar I I(117 to lower convexity is provided with) between the mainboard hole (113) that upper mainboard (116) two is adjacent, upper mainboard (116) and lower mainboard (111) combine back plane I(115) and planar I I(117) close contact, upper mainboard hole (113) two ends have planar I II(118), short tube (112) two short two ends have planar I V(119), upper mainboard (116) and lower mainboard (111) combine back plane III(118) and planar I V(119) between there is gap.
2. the automotive heat exchanger according to claim 1 two mainboard of lower piercing and flanging formula, is characterized in that: described upper mainboard (116) and lower mainboard (111) combines back plane III(118) and planar I V(119) between there is gap apart from being 1mm ~ 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420541420.6U CN204100875U (en) | 2014-09-22 | 2014-09-22 | A kind of automotive heat exchanger two mainboard of lower piercing and flanging formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420541420.6U CN204100875U (en) | 2014-09-22 | 2014-09-22 | A kind of automotive heat exchanger two mainboard of lower piercing and flanging formula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204100875U true CN204100875U (en) | 2015-01-14 |
Family
ID=52269295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420541420.6U Active CN204100875U (en) | 2014-09-22 | 2014-09-22 | A kind of automotive heat exchanger two mainboard of lower piercing and flanging formula |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204100875U (en) |
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2014
- 2014-09-22 CN CN201420541420.6U patent/CN204100875U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |