CN213831624U

CN213831624U - Transition air duct

Info

Publication number: CN213831624U
Application number: CN202023082622.3U
Authority: CN
Inventors: 付鸿晔; 陈猛
Original assignee: Great Wall Motor Co Ltd
Current assignee: Great Wall Motor Co Ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-07-30
Anticipated expiration: 2030-12-18

Abstract

The utility model relates to a transition wind channel, the transition wind channel is formed by first wind channel body and second wind channel body lock, one in first wind channel body and the second wind channel body is provided with the first spacing muscle that extends along the air current circulation direction in the position of lock mutually, another is provided with and is used for the spacing groove with first spacing muscle grafting complex, first spacing muscle and spacing groove configuration are so that first wind channel body and second wind channel body grafting back position keep fixed and the lock face is laminated mutually. Through above-mentioned technical scheme, can avoid the problem of the dislocation that first wind channel body and second wind channel body produced in the installation, improve the leakproofness in transition wind channel and the reliability of air-out.

Description

Transition air duct

Technical Field

The present disclosure relates to the field of vehicle technology, and in particular, to a transition duct.

Background

When the vehicle runs, the glass is easily frosted due to large temperature difference between the inside and the outside of the vehicle, and the sight of a driver is influenced. In order to solve the problem, the vehicle is generally provided with a defrosting air duct, namely, an air outlet is arranged on the defrosting air duct to convey hot air of an air conditioner to the glass, so that the problem of frosting of the glass is relieved.

The transition air duct is used for connecting the defrosting air duct and the air conditioner. In the correlation technique, a plurality of tie points are usually arranged between the transition air duct itself or the transition air duct and the air conditioner, and because the tie points are more, the influence such as product deformation and tolerance easily causes one or more tie points to loosen, thereby causing the problems of poor sealing, air leakage, even air mixing, influencing the air outlet uniformity and causing the problems of slow refrigeration and heating efficiency or noise generation, and the like.

SUMMERY OF THE UTILITY MODEL

An object of the present disclosure is to provide a transition duct to partially solve the above-mentioned problems occurring in the related art.

In order to achieve the above object, the present disclosure provides a transition air duct, the transition air duct is formed by fastening a first air duct body and a second air duct body, one of the first air duct body and the second air duct body is provided with a first limiting rib extending along an airflow flowing direction at a fastening position, the other one is provided with a limiting groove for being in plug-in fit with the first limiting rib, and the first limiting rib and the limiting groove are configured to enable the position of the first air duct body and the position of the second air duct body after being plugged to be fixed and the fastening surfaces to be attached to each other.

Optionally, the bottom of the transition air duct is provided with a second limiting rib for being matched with an air conditioner in an inserting manner, and the second limiting rib is configured to enable the position of the transition air duct after the transition air duct is inserted into the air conditioner to be fixed and the installation surface to be attached to the air conditioner.

Optionally, one of the first air duct body and the second air duct body is provided with a plurality of first clips at the positions where the first clips are buckled with the second clips, and the other one of the first air duct body and the second air duct body is provided with a plurality of buckles for being in clamping fit with the first clips.

Optionally, the first clip is configured as a spring sheet capable of being elastically pressed into the buckle, and a free end of the first clip is formed with a hook body so that the hook body can be hooked in the buckle when the elasticity is released.

Optionally, the bottom of the transition air duct is further provided with a plurality of second clips for clamping and matching with the air conditioner.

Optionally, the first limiting rib and the limiting groove are in interference fit.

Optionally, a support column is arranged on the inner wall surface of the first air duct body in the direction of the second air duct body after being fastened, and a support column accommodating portion for the support column to extend into is arranged on the inner wall surface of the second air duct body.

Optionally, the outer wall surfaces of the first air duct body and the second air duct body are respectively provided with a reinforcing structure, and the reinforcing structures comprise reinforcing ribs which are staggered transversely and longitudinally.

Optionally, the top and the bottom of the transition duct are respectively provided with a weight reduction structure.

Optionally, the transition air duct further comprises a sponge disposed on the top of the transition air duct, and the shape of the sponge is adapted to the contour of the top of the transition air duct.

Through above-mentioned technical scheme, the effect of the erection site that utilizes spacing muscle and spacing groove to have, can avoid the problem of the dislocation that first wind channel body and second wind channel body produced in the installation, and after the installation, the cooperation of spacing muscle and spacing groove makes first wind channel keep fixed and the lock face is laminated mutually for the position of second wind channel body, the leakproofness in transition wind channel and the reliability of air-out have been improved, avoid because of the noise and the refrigeration heating efficiency scheduling problem slowly that the phenomenon leads to of leaking out.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

FIG. 1 is an exploded schematic view of a transition duct provided in an exemplary embodiment of the present disclosure;

FIG. 2 is a schematic illustration of an assembled transition duct provided by exemplary embodiments of the present disclosure;

FIG. 3 is a schematic view of a first duct body provided in an exemplary embodiment of the present disclosure;

FIG. 4 is a schematic view of the first duct body of FIG. 3 from another perspective;

FIG. 5 is a schematic view of a second air duct body provided in an exemplary embodiment of the present disclosure;

FIG. 6 is a schematic view of the second duct body of FIG. 5 from another perspective;

fig. 7 is a schematic view of a clip and snap fit provided by an exemplary embodiment of the present disclosure.

Description of the reference numerals

1-a first air duct body, 11-a first limiting rib, 12-a first clip, 121-a hook body, 13-a second limiting rib I, 14-a supporting column, 15-a first weight reduction groove, 16-a first reinforcing rib, 2-a second air duct body, 21-a limiting groove, 22-a buckle, 23-a second limiting rib II, 24-a supporting column accommodating part, 25-a second clip, 26-a second reinforcing rib and 27-a second weight reduction groove.

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, use of directional terms such as "upper, lower, left, right" generally refer to directions in the drawing of the corresponding drawing figures. "inner and outer" refer to the inner and outer of the respective component profiles. The terms "first," "second," and the like are used herein to distinguish one element from another, and are not intended to be sequential or important. In addition, when the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements, unless otherwise indicated.

As shown in fig. 1 to 7, the present disclosure provides a transition air duct, which is formed by fastening a first air duct body 1 and a second air duct body 2, that is, a cavity for air flow circulation is formed after fastening the first air duct body 1 and the second air duct body 2. Wherein, one of the first air duct body 1 and the second air duct body 2 is provided with a first limiting rib 11 extending along the airflow flowing direction at the buckled position, and the other is provided with a limiting groove 21 for being in plug-in fit with the first limiting rib 11. For convenience of description, it is shown in the present disclosure that the first stopper rib 11 is provided on the first air duct body 1, and the stopper groove 21 is provided on the second air duct body 2. The buckling positions of the transition air ducts are respectively located on two sides of the first air duct body 1 and the second air duct body 2, specifically, the first limiting ribs 11 are arranged on two sides of the first air duct body 1, and the limiting grooves 21 are arranged on two sides of the second air duct body 2.

Because spacing muscle and spacing groove have the effect of installation location, therefore at the in-process of transition wind channel installation, can avoid first wind channel body 1 and second wind channel body 2 to produce the dislocation. First spacing muscle 11 and spacing groove 21 configure to make first wind channel body 1 and second wind channel body 2 peg graft the back position and keep fixed and the buckling face is laminated mutually, in other words, behind first wind channel body 1 and the 2 locks of second wind channel body, because the effect of spacing muscle and spacing groove can't move about at will, for example, interference fit between first spacing muscle 11 and the spacing groove 21, thereby avoid appearing the dislocation at the in-process of work, and the mutual laminating of the two buckling face can form effectively sealed to the wind channel of transition, thereby improve the leakproofness in wind channel of transition and the reliability of air-out, avoid noise and refrigeration heating efficiency slow scheduling problem because of the phenomenon of leaking out leads to.

In order to avoid the problem of installation dislocation between transition wind channel and the air conditioner, further improve the sealing performance between transition wind channel and the air conditioner, the bottom in transition wind channel is provided with the spacing muscle of second that is used for with the air conditioner grafting complex, and the spacing muscle of second configures into to make the position after transition wind channel and the air conditioner grafting keep fixed and the installation face is laminated mutually. According to an embodiment of the present disclosure, the second limiting rib may be formed by the first air duct body 1 and the second air duct body 2 after being buckled together. Specifically, as shown in fig. 3, a second limiting rib I13 is provided at the bottom of the first air duct body 1, and in fig. 5, a second limiting rib II23 is provided at the bottom of the second air duct body 2, the second limiting rib I13 and the second limiting rib II23 are semi-annular respectively, when the first air duct body 1 and the second air duct body 2 are buckled, the second limiting rib I13 and the second limiting rib II23 are formed into an annular second limiting rib, and correspondingly, an annular limiting groove is provided on the air conditioner.

The effect of the spacing muscle of second is the same with first spacing muscle 11, through the spacing groove cooperation on spacing muscle of second and the air conditioner promptly to avoid the dislocation problem in installation and the working process, further, the mutual laminating of installation face of the two can form effectively sealedly between transition wind channel and the air conditioner, improves the leakproofness between transition wind channel and the air conditioner and the reliability of air-out.

First wind channel body 1 and second wind channel body 2 can link together through the mode detachably of joint, and wherein, one in first wind channel body 1 and the second wind channel body 2 is provided with a plurality of first checkposts 12 in the position of buckling mutually, and another is provided with a plurality of buckles 22 that are used for with first checkpost 12 joint complex. In the embodiment shown in fig. 1 to 7, the first clip 12 is provided on the first air duct body 1, and the catch 22 is provided on the second air duct body 2. The connection mode dismouting that adopts checkpost and buckle is comparatively convenient to can improve the reliability of being connected between first wind channel body 1 and the second wind channel body 2, avoid the in-process of work to break away from because of reasons such as vibration accident.

For example, the first clip 12 may be configured as a spring sheet capable of being elastically pressed into the buckle 22, that is, one end of the first clip 12 is fixedly connected with the first air duct body 1, and the other end is formed as a free end, and the free end is formed with a hook body 121, so that when the elasticity is released, the hook body 121 can be hooked in the buckle 22. When detaching, the first clip 12 can be pulled out from the catch 22 by pressing the first clip 12 to disengage the hook body 121 from the catch 22.

The bottom of the transition air duct can also be provided with a plurality of second clips 25 for clamping and matching with the air conditioner. In one embodiment shown in the present disclosure, the second clip 25 may be provided only at the bottom of the second duct body 2. It should be understood that, according to actual needs, the second clip 25 may also be disposed at the bottom of the first air duct body 1, or the second clips 25 may be disposed at the bottoms of the first air duct body 1 and the second air duct body 2, respectively. Likewise, the second clip 25 may have the same structure as the first clip 12, that is, one end of the second clip 25 is fixedly connected to the bottom of the second duct body 2, and the other end is formed as a free end, at which a hook is formed, and accordingly, a catch for snap-fitting with the second clip 25 is provided on the air conditioner.

In order to improve the strength of the transition air duct, so that the transition air duct is not deformed when being crimped by the instrument panel, according to an embodiment of the present disclosure, the inner wall surface of the first air duct body 1 is provided with the support column 14 toward the direction of the second air duct body 2 after being fastened, the inner wall surface of the second air duct body 2 is provided with the support column accommodating portion 24 for the support column 14 to extend into, and the support column accommodating portion 24 may be configured to be cylindrical with a through hole. The support columns 14 and the support column accommodating parts 24 which are inserted together can improve the capacity of the transition pipeline for supporting heavy objects, and avoid the deformation of the cavity for air flow circulation.

The outer wall surfaces of the first air duct body 1 and the second air duct body 2 can be respectively provided with a reinforcing structure, and the reinforcing structures comprise transverse and longitudinal staggered reinforcing ribs. For example, in the embodiment shown in fig. 4, the first ribs 16 are provided on the outer wall surface of the first air duct body 1, and in the embodiment shown in fig. 6, the second ribs 26 are provided on the outer wall surface of the second air duct body 2. The reinforcing ribs are arranged on the outer wall face, so that the overall strength of the transition air duct can be improved, and the transition air duct is not easy to deform.

In addition, the top and the bottom of the transition air duct can be respectively provided with a weight reduction structure. The top and the second of first wind channel body 1 and second wind channel body 2 are provided with the flange that extends to outside respectively, and this flange can increase the area of contact of adapting unit such as transition wind channel and air conditioner, improves the stability of installation. The weight reduction structure may be configured as a weight reduction groove, which is provided on the flange. In the present disclosure, the first lightening slots 15 are respectively opened at the top and bottom flanges of the first duct body 1, and the second lightening slots 27 are opened at the bottom of the second duct body 2.

In practical application, as shown in fig. 1 and fig. 2, the transition air duct further includes a sponge 3 disposed at the top of the transition air duct, and the shape of the sponge 3 is adapted to the contour of the top of the transition air duct. The sponge 3 has the functions of absorbing water vapor in the airflow and damping vibration.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, various possible combinations will not be separately described in this disclosure.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims

1. The transition air duct is characterized in that the transition air duct is formed by buckling a first air duct body (1) and a second air duct body (2), a first limiting rib (11) extending along the air flow flowing direction is arranged at the buckling position of one of the first air duct body (1) and the second air duct body (2), a limiting groove (21) used for being in plug-in fit with the first limiting rib (11) is arranged at the other one of the first air duct body and the second air duct body (2), and the positions of the first air duct body (1) and the second air duct body (2) after being in plug-in fit are kept fixed and the buckling surfaces are attached to each other through the first limiting rib (11) and the limiting groove (21).

2. The transition air duct according to claim 1, wherein a second limiting rib for being in plug-in fit with an air conditioner is arranged at the bottom of the transition air duct, and the second limiting rib is configured to enable the position of the transition air duct after being in plug-in fit with the air conditioner to be fixed and the installation surface to be attached to each other.

3. The transition duct according to claim 1, wherein one of the first duct body (1) and the second duct body (2) is provided with a plurality of first clips (12) at the fastening position, and the other is provided with a plurality of fasteners (22) for fastening and matching with the first clips (12).

4. The transition duct according to claim 3, characterized in that the first clip (12) is configured as a spring sheet that can be resiliently pressed into the catch (22), and a free end of the first clip (12) is formed with a hook body (121) so that the hook body (121) can be hooked in the catch (22) when the resilience is released.

5. The transition duct according to claim 1, characterized in that the bottom of the transition duct is further provided with a plurality of second clips (25) for snap-fitting with the air conditioner.

6. The transition duct according to claim 1, characterized in that the first limiting rib (11) and the limiting groove (21) are in interference fit.

7. The transition air duct according to claim 1, wherein a support column (14) is provided on an inner wall surface of the first air duct body (1) in a direction toward the second air duct body (2) after the fastening, and a support column accommodating portion (24) for the support column (14) to extend into is provided on the inner wall surface of the second air duct body (2).

8. The transition duct according to claim 1, characterized in that the outer wall surfaces of the first duct body (1) and the second duct body (2) are respectively provided with a reinforcing structure, and the reinforcing structure comprises reinforcing ribs which are staggered transversely and longitudinally.

9. The transition duct of claim 1, wherein the top and bottom of the transition duct are provided with weight-reducing structures, respectively.

10. The transition duct according to claim 1, characterized by further comprising a sponge (3) arranged at the top of the transition duct, the sponge (3) being shaped to fit the contour of the top of the transition duct.