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Passage opening and closing device

A technology for opening and closing devices and passages, which can be used in transportation and packaging, noise suppression, heating/cooling equipment, etc., and can solve problems such as poor manufacturability of sliding doors

Pending Publication Date: 2022-05-13
DENSO CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] However, in the invention described in Patent Document 1, it is necessary to form a spring structure on the sliding door, or to attach soft fleece or a pad, so that the manufacturability of the sliding door is deteriorated.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach

[0039] refer to Figure 1 to Figure 13 This embodiment will be described. In this embodiment, an example in which the passage opening and closing device of the present invention is applied to the indoor air-conditioning unit 10 of the vehicle air-conditioning apparatus will be described.

[0040] figure 1 The illustrated indoor air conditioner unit 10 is disposed at a substantially central portion in the vehicle width direction on the inner side of an instrument panel located at the frontmost portion in the vehicle interior. The indoor air conditioner unit 10 has a casing 12 that forms an outer shell thereof and forms an air passage for blown air blown toward the vehicle interior. The casing 12 is formed of a resin (for example, polypropylene) that has a certain degree of elasticity and is excellent in strength.

[0041] An air inflow space 14 into which blowing air from a blower unit (not shown) flows is formed on the most upstream side of the air passage formed in the cas...

no. 2 approach

[0114] Next, refer to Figure 14 A second embodiment will be described. In this embodiment, differences from the first embodiment will be mainly described.

[0115] Such as Figure 14 As shown, the cold air seal portion 126 is provided with an inclined portion 126c inclined in a stepwise manner with respect to the door moving direction DRs so as to move away from the cold air side end portion 52A as it moves away from the cool air opening 22a.

[0116] The inclined portion 126c is provided at a position facing the cold air side end portion 52A when the air mix door 50 is displaced to a position where the cool air opening 22a is closed. The inclined portion 126c is inclined stepwise with respect to the door moving direction DRs so that the distance from the cool air end portion 52A increases stepwise as the distance from the cool air opening 22a increases. In other words, the inclined portion 126c is inclined in a stepwise manner with respect to the door moving direction DRs...

no. 3 approach

[0121] Next, refer to Figure 15 A third embodiment will be described. In this embodiment, differences from the first embodiment will be mainly described.

[0122] Such as Figure 15 As shown, the inclined portion 126a is not provided in the cool air seal portion 126, and the cool air seal portion 126 extends along the door moving direction DRs. That is, the cool air seal portion 126 as a whole has a flat shape along the door moving direction DRs.

[0123] On the other hand, when the air mix door 50 is displaced to a position to close the cool air opening 22a, the cool air side end 52A of the air mix door 50 moves relative to the door in such a manner as to separate from the cool air seal 126 as it moves away from the cool air opening 22a. The directions DRs are tilted.

[0124] 52 A of cold wind side end parts are comprised so that the inclination angle (theta)d formed with the door moving direction DRs becomes an acute angle. A bending portion 52D serving as a starting ...

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Abstract

The purpose of the present invention is to provide a passage opening and closing device capable of suppressing deterioration in manufacturability of a sliding door and suppressing self-excited vibration of the sliding door. A passage opening / closing device is provided with: a housing (12) in which an opening edge (23) forming an opening (22a) of an air passage (22) is provided; and a sliding door (50) that is disposed so as to be capable of sliding inside the housing and that opens and closes the opening. The sliding door includes a door end portion (52A) that constitutes an end portion on one side of the sliding door in a door movement direction and that opposes the opening edge portion when the sliding door is displaced to a closed position that closes the opening portion. The opening edge portion includes a door facing wall portion (126) facing the door end portion when the sliding door is displaced to the closed position and forming a gap flow path (G) extending in the door movement direction between the door facing wall portion and the door end portion. The gap between the door end portion and the door facing wall portion becomes smaller toward the downstream side of the air flow so that the gap flow path becomes a tip-tapered flow path.

Description

[0001] Cross-references to related applications [0002] This application is based on Japanese Patent Application No. 2019-183215 filed on October 3, 2019, and its description is incorporated herein by reference. technical field [0003] The present invention relates to a channel opening and closing device for opening and closing an air channel. Background technique [0004] Conventionally, in order to suppress the self-excited vibration of the sliding door, a damping mechanism for damping the vibration is provided on the back surface of the sliding door as a passage opening and closing device (for example, refer to Patent Document 1). [0005] prior art literature [0006] patent documents [0007] Patent Document 1: Japanese Patent Laid-Open No. 2018-76051 [0008] However, in the invention described in Patent Document 1, it is necessary to form a spring structure on the sliding door, or to attach soft fleece or a pad, so that the manufacturability of the sliding door d...

Claims

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Application Information

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IPC IPC(8): B60H1/00B60H1/12
CPCB60H1/00692B60H1/00664B60H1/12B60H2001/00714F24F13/24B60H2001/006B60H1/00514B60H2001/00092
Inventor 尾崎圣铃木善博吉住文太青山隆之
Owner DENSO CORP
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