CN203283178U - Air intake duct of automotive air conditioner - Google Patents
Air intake duct of automotive air conditioner Download PDFInfo
- Publication number
- CN203283178U CN203283178U CN2013203392890U CN201320339289U CN203283178U CN 203283178 U CN203283178 U CN 203283178U CN 2013203392890 U CN2013203392890 U CN 2013203392890U CN 201320339289 U CN201320339289 U CN 201320339289U CN 203283178 U CN203283178 U CN 203283178U
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- lower plate
- upper plate
- section
- inlet duct
- plate
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Abstract
The utility model discloses an air intake duct of an automotive air conditioner. The air intake duct of the automotive air conditioner comprises an upper plate and a lower plate, the tail end of the upper plate and the tail end of the lower plate are connected, a clearance is reserved between the head end of the upper plate and the head end of the lower plate, and the non-closed air intake duct of the automotive air conditioner is formed by the upper plate and the lower plate. Due to the fact that the upper plate and the lower plate form the non-closed air intake duct of the automotive air conditioner, only one end of the upper plate is connected with the lower plate, and a cantilever structure is formed. When the head of a pedestrian hit against the corresponding area of the upper plate, the upper plate of the cantilever structure is easy to deform, and therefore the harm to the head of the pedestrian is reduced effectively.
Description
Technical field
The utility model relates to a kind of air-conditioning air inlet duct, relates in particular to a kind of air conditioning for automobiles air inlet duct.
Background technology
In the highway communication of China, the pedestrian is relatively many, and order of traffic is relatively chaotic.Along with increasing sharply of express highway mileage and vehicle guaranteeding organic quantity, in road traffic accident and accident, the casualties is also rapidly increasing.China comes into effect recommendatory GB " crash protection of automobile to the pedestrian " on July 1st, 2010.In traffic accident, pedestrian head is the position of being hurt of most critical often, and for compact car, adult head very easily strikes the bottom section of windshield glass of automobile.When pedestrian head strikes this when zone, upper plate structure and the intensity of the air-conditioning air inlet duct of windshield bottom, play an important role to the injury values of head.
Be widely used at present the air-conditioning air inlet duct structure on automobile, only considered how to meet the requirement of car load dynamic stiffness and mode.As shown in Figure 1, on traditional air-conditioning air inlet duct, plate structure is comprised of two metal pieces, plate structure 1 on first ', plate structure 2 on second ' with fireproof brickwork 3 ' by being welded to form a leg-of-mutton cross section of sealing.When pedestrian head struck Windshield 4 ' upper corresponding upper plate regional, this structure was very large and not yielding in the intensity of crash direction, and this is very large for the injury that reduces pedestrian head.
Therefore, be necessary to improve the structure of air-conditioning air inlet duct, in order effectively to reduce the head injury value after pedestrian and auto against.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of air conditioning for automobiles air inlet duct that can effectively reduce the head injury value after pedestrian and auto against is provided.
Particularly, the technical solution of the utility model provides a kind of air conditioning for automobiles air inlet duct, comprise upper plate and lower plate, the tail end of described upper plate be connected the tail end of lower plate and connect, leave gap between the head end of described upper plate and the head end of described lower plate, described upper plate and described lower plate form the described air conditioning for automobiles air inlet duct that does not seal.
Preferably, described upper plate comprises upper plate leading portion, upper plate stage casing and upper plate back segment successively from the head end to the tail end, the angle at the obtuse angle between described upper plate leading portion and described upper plate stage casing is α, between described upper plate stage casing and described upper plate back segment, the angle at obtuse angle is β, and described upper plate back segment is connected with the tail end of described lower plate.
Preferably, α is 105 °-115 °, and β is 150 °.
Preferably, described lower plate comprises the 3rd section of lower plate first paragraph, lower plate second segment and lower plate successively, the angle at the obtuse angle between described lower plate first paragraph and described lower plate second segment is δ, between the 3rd section of described lower plate second segment and described lower plate at right angles, the 3rd section of described lower plate is connected with described upper plate back segment, between the 3rd section of described lower plate and described upper plate back segment at right angles.
Preferably, δ is 130 °-150 °.
Preferably, described air conditioning for automobiles air inlet duct also comprises at least two strut bars, and an end of described strut bar connects described upper plate stage casing, and the other end of described strut bar connects the 3rd section of described lower plate, and the acute angle between described upper plate stage casing and described strut bar is γ.
Preferably, γ is 30 °-50 °.
Preferably, described lower plate comprises the 3rd section of the 4th section of lower plate, the 5th section of lower plate, described lower plate first paragraph, described lower plate second segment and described lower plate successively from the head end to the tail end, the angle at the obtuse angle between the 5th section of described lower plate and described lower plate first paragraph is ε, and the angle at the obtuse angle between the 5th section of the 4th section of described lower plate and described lower plate is ζ.
Preferably, ε is 130 °-150 °, and ζ is 127 °.
After adopting technique scheme, have following beneficial effect: because upper plate and lower plate form the air conditioning for automobiles air inlet duct that does not seal, upper plate only has an end to be connected with lower plate, the formation cantilever design.When pedestrian head struck corresponding regional of upper plate, the upper plate of cantilever design easily was out of shape, and effectively reduces the injury to pedestrian head.
Description of drawings
Fig. 1 is the structural representation of traditional air conditioning for automobiles air inlet duct;
Fig. 2 is the block diagram after in the utility model one embodiment, the air conditioning for automobiles air inlet duct is installed;
Fig. 3 is the block diagram of air conditioning for automobiles air inlet duct in the utility model one embodiment;
Fig. 4 is the lateral plan of air conditioning for automobiles air inlet duct in the utility model one embodiment;
Fig. 5 is the structural representation of air conditioning for automobiles air inlet duct in the utility model one embodiment;
Structural representation when Fig. 6 is the collision of air conditioning for automobiles air inlet duct in the utility model one embodiment;
Fig. 7 is the structural representation after the collision of air conditioning for automobiles air inlet duct in the utility model one embodiment.
The Reference numeral synopsis:
The specific embodiment
Further illustrate the specific embodiment of the present utility model below in conjunction with accompanying drawing, hereinafter identical mark refers to identical element.Said in the utility model " on ", D score, 'fornt', 'back' be the orientation with respect to automobile self.Said in the utility model " on ", D score is identical with the above-below direction of accompanying drawing.The left side of said in the utility model " front " respective figure, the rear side of said " afterwards " respective figure.Cross section described in the utility model is the cross section that is parallel to the paper direction.
As shown in Figure 2, air conditioning for automobiles air inlet duct in the present embodiment comprises that upper plate 1 and lower plate 2 are arranged on the front windshield 3 of automobile and the position of vehicle body sheet metal 4 belows, wherein upper plate 1 is connected with front windshield 3 by the sealing member (not shown), and lower plate 2 is passed through plastics cowl upper 6(referring to Fig. 6-7) be connected with vehicle body sheet metal 4.As shown in Figure 3, the tail end that the tail end of upper plate 1 is connected with lower plate connects, and leaves gap between the head end of the head end of upper plate 1 and lower plate 2, and upper plate 1 and lower plate 2 form the air conditioning for automobiles air inlet duct that does not seal.Be equipped with six reinforced ribs on upper plate 2 and lower plate 2.
In the present embodiment, as shown in Fig. 4-5, upper plate 1 comprises upper plate leading portion 11, upper plate stage casing 12 and upper plate back segment 13 successively from the head end to the tail end, the angle at the obtuse angle between upper plate leading portion 11 and upper plate stage casing 12 is α, between upper plate stage casing 12 and upper plate back segment 13, the angle at obtuse angle is β, and upper plate back segment 13 is connected with the tail end of lower plate 2.After installation, the direction of tilt of the direction of tilt of upper plate leading portion 11 and front windshield 3 is roughly the same, is all to tilt to right abaft; Upper plate stage casing 12 tilts to left front; Upper plate back segment 13 is on horizontal surface.Because the direction of tilt of the direction of tilt of upper plate leading portion 11 and front windshield 3 is roughly the same, after the pedestrian struck front windshield 3, front windshield 3 was delivered to upper plate leading portion 11 with power, the acceptant impact to passing over of upper plate leading portion 11.Angle due to the obtuse angle between upper plate leading portion 11 and upper plate stage casing 12 is α again, between upper plate stage casing 12 and upper plate back segment 13, the angle at obtuse angle is β, and under the effect of impact, upper plate leading portion 11 and upper plate stage casing 12 easily are out of shape, absorb rapidly impact, reduce the injury to human body.
Preferably, α is 105 °-115 °, and β is 150 °, and cross-sectional length is 90-110mm, and the cross-sectional length of upper plate back segment 13 is 120-160mm.
In the present embodiment, as shown in Fig. 4-5, lower plate 2 comprises the 3rd section 23 of lower plate first paragraph 21, lower plate second segment 22 and lower plate successively, the angle at the obtuse angle between lower plate first paragraph 21 and lower plate second segment 23 is δ, between the 3rd section 23 of lower plate second segment 22 and lower plate at right angles, lower plate is connected with upper plate back segment 13 for the 3rd section 23, and is rectangular between the 3rd section 23 of lower plate and upper plate back segment 13.After installation, lower plate is in vertical direction for the 3rd section 23, and lower plate second segment 22 is in horizontal direction, and lower plate first paragraph 21 tilts towards left front.Lower plate first paragraph 21, lower plate second segment 22 and the 3rd section 23 distortion for upper plate 1 of lower plate provide enough deformation spaces.Under normal circumstances, form the air-conditioning air inlet duct between lower plate 2 and upper plate 1, after being clashed into, during upper plate 1 distortion, with upper plate 1, do not interfere.
Preferably, δ is 130 °-150 °, and the height that lower plate is the 3rd section 23 is 180-200mm.
In the present embodiment, as in Figure 3-5, the air conditioning for automobiles air inlet duct also comprises at least two strut bars 7, and an end of strut bar 7 connects upper plate stage casing 12, and the other end of strut bar 7 connects the 3rd section 23 of lower plate, and the acute angle between upper plate stage casing 12 and strut bar 7 is γ., because the structure of upper plate 1 weakens as cantilever design,, in order to meet intensity and the mode requirement of supporting front windshield 3, increased strut bar 7.
Preferably, γ is 30 °-50 °, and the width of strut bar 7 is 39-43mm, with the wide flange of 9mm.
In the present embodiment, as in Figure 3-5, lower plate 2 comprises the 3rd section 23 of the 4th section 24 of lower plate, the 5th section 25 of lower plate, lower plate first paragraph 21, lower plate second segment 22 and lower plate successively from the head end to the tail end, the angle at the obtuse angle between the 5th section 25 of lower plate and lower plate first paragraph 21 is ε, and the angle at the obtuse angle between the 5th section 25 of the 4th section 24 of lower plate and lower plate is ζ.After installation, lower plate is on horizontal surface for the 5th section 25, and lower plate tilts to left front for the 4th section 24.Lower plate is connected with plastics cowl upper 6 for the 4th section 24, and the 5th section 25 of lower plate placed rain shaving electrical machine, forms chamber between the 5th section 25 of the 4th section 24 of lower plate and lower plate, plays the effect of water-blocking groove.
Preferably, ε is 130 °-150 °, and ζ is 127 °.
As shown in Fig. 6-7, when pedestrian head 5 has struck the below of front windshield 3, front windshield 3 is crushed, front windshield 3 passes to upper plate 1 with impact, upper plate 1 deforms and moves backward under the effect of impact, upper plate 1 absorbs rapidly impact in the process of distortion, reduced greatly the antagonistic force to pedestrian head 5, thereby reduced the injury values to human body.By sunykatuib analysis, the utility model can reduce by 33% than traditional air-conditioning air inlet duct structure on the pedestrian head injury values as can be known, and effect is remarkable.
Above-described is only principle of the present utility model and preferred embodiment.Should be pointed out that for the person of ordinary skill of the art, on the basis of the utility model principle, can also make some other modification, also should be considered as protection domain of the present utility model.
Claims (9)
1. air conditioning for automobiles air inlet duct, comprise upper plate and lower plate, the tail end of described upper plate be connected the tail end of lower plate and connect, it is characterized in that, leave gap between the head end of described upper plate and the head end of described lower plate, described upper plate and described lower plate form the described air conditioning for automobiles air inlet duct that does not seal.
2. air conditioning for automobiles air inlet duct according to claim 1, it is characterized in that, described upper plate comprises upper plate leading portion, upper plate stage casing and upper plate back segment successively from the head end to the tail end, the angle at the obtuse angle between described upper plate leading portion and described upper plate stage casing is α, between described upper plate stage casing and described upper plate back segment, the angle at obtuse angle is β, and described upper plate back segment is connected with the tail end of described lower plate.
3. air conditioning for automobiles air inlet duct according to claim 2, is characterized in that, α is 105 °-115 °, and β is 150 °.
4. air conditioning for automobiles air inlet duct according to claim 2, it is characterized in that, described lower plate comprises the 3rd section of lower plate first paragraph, lower plate second segment and lower plate successively, the angle at the obtuse angle between described lower plate first paragraph and described lower plate second segment is δ, between the 3rd section of described lower plate second segment and described lower plate at right angles, the 3rd section of described lower plate is connected with described upper plate back segment, between the 3rd section of described lower plate and described upper plate back segment at right angles.
5. air conditioning for automobiles air inlet duct according to claim 4, is characterized in that, δ is 130 °-150 °.
6. air conditioning for automobiles air inlet duct according to claim 4, it is characterized in that, described air conditioning for automobiles air inlet duct also comprises at least two strut bars, one end of described strut bar connects described upper plate stage casing, the other end of described strut bar connects the 3rd section of described lower plate, and the acute angle between described upper plate stage casing and described strut bar is γ.
7. air conditioning for automobiles air inlet duct according to claim 6, is characterized in that, γ is 30 °-50 °.
8. air conditioning for automobiles air inlet duct according to claim 4, it is characterized in that, described lower plate comprises the 3rd section of the 4th section of lower plate, the 5th section of lower plate, described lower plate first paragraph, described lower plate second segment and described lower plate successively from the head end to the tail end, the angle at the obtuse angle between the 5th section of described lower plate and described lower plate first paragraph is ε, and the angle at the obtuse angle between the 5th section of the 4th section of described lower plate and described lower plate is ζ.
9. air conditioning for automobiles air inlet duct according to claim 8, is characterized in that, ε is 130 °-150 °, and ζ is 127 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203392890U CN203283178U (en) | 2013-06-13 | 2013-06-13 | Air intake duct of automotive air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203392890U CN203283178U (en) | 2013-06-13 | 2013-06-13 | Air intake duct of automotive air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203283178U true CN203283178U (en) | 2013-11-13 |
Family
ID=49539554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203392890U Expired - Lifetime CN203283178U (en) | 2013-06-13 | 2013-06-13 | Air intake duct of automotive air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203283178U (en) |
-
2013
- 2013-06-13 CN CN2013203392890U patent/CN203283178U/en not_active Expired - Lifetime
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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: 20131113 |