Air duct, air conditioning system and vehicle
By incorporating an interlocking structure with annular protrusions and grooves in the air duct, combined with secondary sealing and sub-air duct design, the problem of air leakage at the air duct connection is solved, achieving high sealing performance and structural strength of the air duct, and improving vehicle comfort.
Patent Information
- Application Number
- CN202520313288.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-25
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-02-25
AI Technical Summary
In existing technologies, the front and rear air ducts are directly plugged together, resulting in low structural strength at the connection point, which is prone to deformation and air leakage.
The design incorporates a first annular protrusion on one of the first and second air ducts, and an annular groove on the other. During insertion, the first protrusion is located within the groove, and the second protrusion provides a secondary seal at the connection point. The thickness design of the insertion part and the structure of the sub-air duct limit the relative movement between the air ducts.
It effectively prevents air leakage at the duct connection, improves the structural strength and sealing of the duct connection, and enhances the comfort inside the vehicle.
Smart Images
Figure CN223720605U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to vehicle technical field especially relates to a wind channel, air conditioning system and vehicle. BACKGROUND
[0002] The wind channel is used for conveying the cold and hot air made by the air conditioner to the air outlet in the vehicle. The wind channel comprises a front section wind channel and a rear section wind channel. In the related art, the front section wind channel and the rear section wind channel are directly connected by plug-in connection. The connection structure between the two has low strength and is prone to deformation, which leads to excessive air leakage. UTILITY MODEL CONTENTS
[0003] The utility model discloses a wind channel, air conditioning system and vehicle can limit the relative movement between the first wind channel and the second wind channel along the axial direction, can also play the sealing effect to the connection of the first wind channel and the second wind channel, prevent the connection of the first wind channel and the second wind channel from leaking air.
[0004] To achieve this purpose, the utility model adopts the following technical scheme:
[0005] The wind channel comprises:
[0006] One of the first wind channel and the second wind channel is provided with a first annular protrusion, and the other is provided with an annular groove. The first wind channel is connected to the second wind channel by plug-in connection, and the first protrusion is located in the groove.
[0007] As a preferred technical scheme of the wind channel, one of the first wind channel and the second wind channel located on the inner side is provided with a second protrusion, and the end of the other located on the outer side abuts against the second protrusion.
[0008] As a preferred technical scheme of the wind channel, the second protrusion is annular or comprises a plurality of protrusions distributed in the circumferential direction.
[0009] As a preferred technical scheme of the wind channel, the first wind channel comprises a main body part and a plug-in part. The plug-in part is connected to the second wind channel by plug-in connection. The thickness of the plug-in part is less than that of the main body part.
[0010] As a preferred technical scheme of the wind channel, the groove is formed by the protrusion of the wind channel wall of the first wind channel away from the second wind channel.
[0011] As a preferred technical scheme of the wind channel, the first wind channel comprises two first sub-wind channels connected in series. The two first sub-wind channels are distributed in a direction perpendicular to the axial direction of the first wind channel.
[0012] The connecting ends of the two first sub-air ducts are provided with outwardly extending flanges, and the flanges of the two first sub-air ducts are connected.
[0013] The first air duct is made of PET, and the second air duct is made of HDPE.
[0014] The air conditioning system comprises an air conditioner, an air outlet and the air duct according to any one of the above solutions, the first air duct is connected to the air conditioner, and the second air duct is connected to the air outlet.
[0015] The vehicle comprises the air conditioning system according to the above solution.
[0016] The air conditioning system according to the above solution.
[0017] The air duct comprises a first air duct and a second air duct, one of the first air duct and the second air duct is provided with a first annular protrusion, and the other is provided with a second annular protrusion, the first air duct is inserted into the second air duct, and the first protrusion is located in the second protrusion.
[0018] The air conditioning system according to the above solution.
[0019] The vehicle comprises the air conditioning system according to the above solution. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 is a structural schematic view of the air duct provided by the embodiment of the utility model;
[0021] Figure 2 is a front view of the air duct provided by the embodiment of the utility model;
[0022] Figure 3 Figure 2 is a sectional view along the direction of A-A;
[0023] Figure 4 is Figure 3 is a local enlarged view of
[0024] Figure 5 is Figure 2 is a sectional view along the direction of B-B;
[0025] Figure 6 is a decomposition structure schematic view of the air duct provided by the embodiment of the present application.
[0026] In the drawings:
[0027] 10, first air duct; 101, main body part; 102, plug-in part; 103, clamping shoulder; 11, first sub-air duct; 111, groove; 112, flange;
[0028] 20, second air duct; 21, first protrusion; 22, second protrusion; 113, connecting lug. DETAILED DESCRIPTION
[0029] The present application will be further described below in conjunction with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present application, and not to limit the present application. In addition, it should be noted that, in order to facilitate the description, only the parts related to the present application are shown in the drawings, rather than all the structures.
[0030] In the description of the present application, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0031] In the present application, unless otherwise explicitly specified and limited, the "upper" or "lower" of the first feature to the second feature can include the direct contact of the first and second features, or it can include the contact of the first and second features through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature to the second feature include the vertical and oblique above of the first feature to the second feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The "below", "below" and "below" of the first feature to the second feature include the vertical and oblique below of the first feature to the second feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.
[0032] In the description of the present embodiment, the terms "upper", "lower", "right", and other orientation or position relationship are based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are only used to distinguish in the description, and have no special meaning.
[0033] As Figures 1 to 6 shown, the utility model provides a kind of air duct, including first air duct 10 and second air duct 20, annular groove 111 is provided on first air duct 10, annular first protrusion 21 is provided on second air duct 20, second air duct 20 is inserted in the inside of first air duct 10, and first protrusion 21 is located in groove 111.In the cooperation of insertion of first air duct 10 and second air duct 20, first protrusion 21 can be limited in groove 111 by being provided with first protrusion 21 and groove 111, the structure design can be positioned to the relative movement between first air duct 10 and second air duct 20 along the axis direction, and the connecting place of first air duct 10 and second air duct 20 can also be sealed, to prevent the connecting place of first air duct 10 and second air duct 20 from leaking.
[0034] Further, second protrusion 22 is provided on second air duct 20, and the end of first air duct 10 is abutted to second protrusion 22, to the secondary sealing effect of the connecting place of first air duct 10 and second air duct 20, further improve the sealing property of the connecting place of first air duct 10 and second air duct 20, while further limit the relative movement between first air duct 10 and second air duct 20 along the axis direction. Optionally, second protrusion 22 is annular, or second protrusion 22 can also include multiple discrete protrusions, and multiple discrete protrusions are distributed along the circumference of second air duct 20.
[0035] The insertion form of first air duct 10 and second air duct 20 and the setting position of groove 111, first protrusion 21 and second protrusion 21 are not limited to the embodiment. In other embodiments, groove 111 and second protrusion 22 can also be provided on second air duct 20, and first protrusion 21 is provided on first air duct 10. Or in other embodiments, first air duct 10 can also be inserted in the inside of second air duct 20, groove 111 is provided on second air duct 20, and first protrusion 21 and second protrusion 22 are both provided on first air duct 10. Or in other embodiments, first air duct 10 can also be inserted in the inside of second air duct 20, groove 111 and second protrusion 22 are both provided on first air duct 10, and first protrusion 21 is provided on second air duct 20.
[0036] As Figure 4As shown, in the embodiment, the first air duct 10 includes a main body part 101 and a plug-in part 102, the plug-in part 102 is plugged with the second air duct 20, and the thickness T2 of the plug-in part 102 is less than the thickness T1 of the main body part 101, so that the material of the plug-in part 102 of the first air duct 10 is more compact, the rigidity and hardness of the plug-in part 102 of the first air duct 10 are improved, and the structural strength of the connection part of the first air duct 10 and the second air duct 20 is improved, so that the deformation of the connection part of the first air duct 10 and the second air duct 20 is avoided, and then the air leakage of the connection part of the first air duct 10 and the second air duct 20 is avoided. Meanwhile, the clamping shoulder 103 formed at the connection part of the main body part 101 and the plug-in part 102 of the first air duct 10 can also limit the second air duct 20, and together with the second protrusion 22, the relative movement between the first air duct 10 and the second air duct 20 along the axial direction is further limited. It should be noted that the thickness of the plug-in part 102 of the first air duct 10 is greater than T2 before the pressing treatment, and the thickness of the plug-in part 102 of the first air duct 10 is reduced to T2 after the pressing treatment, so that the material of the plug-in part 102 of the first air duct 10 is more compact.
[0037] Further, the inner walls of the first air duct 10 and the second air duct 20 are flush, so as to improve the smoothness of the air duct inner wall and reduce the resistance of the air flow in the air duct.
[0038] In the embodiment, the groove 111 is formed by the air duct wall of the first air duct 10 protruding away from the second air duct 20, so that the structural strength of the plug-in part of the first air duct 10 and the second air duct 20 is not weakened. In other embodiments, the groove 111 can also be formed by the inner wall of the first air duct 10 being recessed, and is not limited to the embodiment.
[0039] As shown in FIGS. 1 and 2, the first air duct 10 includes a first protrusion 21 and a groove 111, the first protrusion 21 is arranged on the inner wall of the first air duct 10, and the groove 111 is arranged on the inner wall of the second air duct 20. Figure 5 and Figure 6 As shown, in the embodiment, the first air duct 10 is a split structure and includes two first sub-air ducts 11 connected with each other, the two first sub-air ducts 11 are distributed along a direction perpendicular to the axial direction of the first air duct 10, and one part of the groove 111 is arranged in one of the first sub-air ducts 11 and the other part of the groove 111 is arranged in the other first sub-air duct 11. By arranging the first air duct 10 as the two first sub-air ducts 11, the assembly of the first air duct 10 and the second air duct 20 is facilitated. Alternatively, the cross sections of the two first sub-air ducts 11 are both U-shaped, and the two side wall ends of one first sub-air duct 11 are connected with the two side wall ends of the other first sub-air duct 11 one by one. Alternatively, the cross sections of the two first sub-air ducts 11 can also be both semicircular. In other embodiments, the first air duct 10 can also be a whole structure, and the first air duct 10 has a certain elasticity. When the first air duct 10 is plugged with the second air duct 20, the first air duct 10 is elastically deformed, so that part of the plug-in part 102 passes the first protrusion 21, until the groove 111 is clamped with the first protrusion 21, and then the first air duct 10 returns to the original shape.
[0040] In the embodiment, the connecting ends of the two first sub-air ducts 11 are provided with outwardly extending flanges 112, and the corresponding flanges 112 of the two first sub-air ducts 11 are connected, so that the connection between the first air duct 10 and the second air duct 20 is more convenient. Alternatively, the first air duct 10 and the second air duct 20 can be connected by welding or fasteners such as bolts, screws or rivets.
[0041] Further, the connecting ends of the two first sub-air ducts 11 are provided with connecting ears 113, and the connecting ears 113 are provided with positioning connecting holes, and the corresponding connecting ears 113 of the two first sub-air ducts 11 are connected by positioning connecting members to position and connect the two first sub-air ducts 11. When connecting the two first sub-air ducts 11, first, the connecting ears 113 of the two first sub-air ducts 11 are connected by the positioning connecting members, and then the corresponding flanges 112 of the two first sub-air ducts 11 are connected, so that the connection of the two first sub-air ducts 11 is more convenient.
[0042] Further, sealing pads can be clamped between the corresponding flanges 112 of the two first sub-air ducts 11 to seal the first air duct 10 and improve the sealing performance of the first air duct 10.
[0043] In the embodiment, the first air duct 10 is made of PET (polyethylene terephthalate), which has high strength and wear resistance and can reduce noise; and the second air duct 20 is made of HDPE (high density polyethylene), and the second air duct 20 can be blow molded by HDPE to reduce cost and weight. In other embodiments, the first air duct 10 and the second air duct 20 can both be made of PET or both be made of HDPE.
[0044] The utility model also provides a kind of air conditioning system, including air conditioner, air outlet and above-mentioned air duct, first air duct 10 is butt joint with air conditioner, second air duct 20 is butt joint with air outlet. By using above-mentioned air duct, air leakage of air conditioning system can be prevented.
[0045] The utility model also provides a kind of vehicle, including above-mentioned air conditioning system. By using above-mentioned air conditioning system, the comfort of vehicle can be improved.
[0046] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the present application, and are not intended to limit the implementation modes of the present application. For those skilled in the art, various obvious changes, re-adjustments and replacements can be made without departing from the protection scope of the present application. Here, it is not necessary and also impossible to enumerate all the implementation modes. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application claim.
Claims
1. An air duct, characterized in that The application relates to a wind channel, comprising: a first wind channel (10) and a second wind channel (20), one of which is provided with an annular first protrusion (21) and the other is provided with an annular groove (111), the first wind channel (10) is inserted into the second wind channel (20), and the first protrusion (21) is located in the groove (111).
2. The air duct of claim 1, wherein One of the first wind channel (10) and the second wind channel (20) located on the inner side is provided with a second protrusion (22), and the end of the other located on the outer side abuts against the second protrusion (22).
3. The air duct of claim 2, wherein, The second protrusion (22) is annular or comprises a plurality of circumferentially distributed protrusions.
4. The air duct of claim 1, wherein, The first wind channel (10) comprises a main body part (101) and an insertion part (102), the insertion part (102) is inserted into the second wind channel (20), and the thickness of the insertion part (102) is smaller than that of the main body part (101).
5. The air duct of claim 1, wherein, The groove (111) is formed by the wind channel wall of the first wind channel (10) protruding away from the second wind channel (20).
6. The air duct according to any one of claims 1-5, characterized in that The first wind channel (10) comprises two connected first sub-wind channels (11), and the two first sub-wind channels (11) are distributed in a direction perpendicular to the axis direction of the first wind channel (10).
7. The air duct of claim 6, wherein, The connecting ends of the two first sub-wind channels (11) are provided with outwardly extending flanges (112), and the corresponding flanges (112) of the two first sub-wind channels (11) are connected.
8. The air duct according to any one of claims 1-5, characterized in that The first wind channel (10) is made of PET, and the second wind channel (20) is made of HDPE.
9. An air conditioning system characterised by The application relates to an air conditioner system, comprising an air conditioner, an air outlet and a wind channel as claimed in any one of claims 1-8, the first wind channel (10) is connected to the air conditioner, and the second wind channel (20) is connected to the air outlet.
10. Vehicle, characterized in that The application relates to an air conditioner system as claimed in claim 9. The application relates to an air conditioner system as claimed in claim 9.