WO2022021922A1

WO2022021922A1 - Air duct assembly and mobile air conditioner

Info

Publication number: WO2022021922A1
Application number: PCT/CN2021/084581
Authority: WO
Inventors: 邢志钢; 赵阿立
Original assignee: 广东美的制冷设备有限公司
Priority date: 2020-07-27
Filing date: 2021-03-31
Publication date: 2022-02-03
Also published as: CN212619151U

Abstract

An air duct assembly and a mobile air conditioner having same. The air duct assembly comprises an air duct (100), a connecting member (200) and an air duct connector (300). The air duct connector (300) fits over the end of the air duct (100), an insertion slot is provided in the connecting member (200), the end of the air duct (100) is fixed to the insertion slot, and the connecting member (200) is fixedly connected to the air duct connector (300).

Description

Air Duct Components and Mobile Air Conditioners

CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims the priority of the Chinese patent application with application number 202021514117.9 and titled "Air Duct Assembly and Mobile Air Conditioner" filed on July 27, 2020, the entire contents of which are incorporated herein by reference.

technical field

The present application relates to the technical field of air conditioners, and in particular, to an air duct assembly and a mobile air conditioner using the same.

Background technique

In the related art, the mobile air conditioner has an air duct connected to the outdoor, and the air duct is connected with an air duct joint, but the connection structure between the air duct and the air duct joint is unreliable. inconvenience to users.

SUMMARY OF THE INVENTION

The present application aims to solve at least one of the technical problems existing in the prior art. To this end, the present application proposes an air duct assembly, the connection between the air duct and the air duct joint is stable, and the use reliability is improved.

The present application also proposes a mobile air conditioner comprising the above air duct assembly.

The air duct assembly according to the embodiment of the first aspect of the present application includes: an air duct, a connector and an air duct joint, the air duct joint is sleeved on the end of the air duct, wherein the connector is provided with a slot , the end of the air duct is fixed to the slot, and the connecting piece is fixedly connected to the air duct joint.

The air duct assembly according to the embodiment of the first aspect of the present application has at least the following beneficial effects: when assembling the air duct assembly, insert the end of the air duct into the slot of the connector and fix it, and then fix the connector on the air duct joint , to achieve the connection and fixation of the air duct joint and the air duct. When the air duct assembly is in use, the air duct will not be separated from the air duct joint to ensure the performance.

According to some embodiments of the first aspect of the present application, the connecting member includes a first clamping plate, a second clamping plate and an elastic U-shaped plate, the slot is formed between the first clamping plate and the second clamping plate, the The first splint and the second splint are connected by an elastic U-shaped plate.

According to some embodiments of the first aspect of the present application, the connector includes a first clip and a second clip, one end of the first clip is provided with a clip hole, and the second clip A clip inserted into the clip hole is provided, and the slot is formed between the first clip and the second clip.

According to some embodiments of the first aspect of the present application, the first snap member is further provided with a positioning insert, the positioning insert and the snap hole are located at the same end of the first snap piece, the The second clip is provided with a positioning groove which is matched with the positioning insert.

According to some embodiments of the first aspect of the present application, the slot has a first side wall and a second side wall arranged oppositely, the first side wall is configured to be concave outward, and the second side wall is configured to face the Inwardly convex, so the slot is V-shaped, S-shaped and other curved shapes, and the end of the air duct is clamped in the slot to prevent it from coming out.

According to some embodiments of the first aspect of the present application, a surrounding clamping groove is formed on the outer side of the end of the air duct, a corresponding flange is formed on the inner side of the end of the air duct, and the clamping groove and the second The side wall is matched, the flange is matched with the first side wall, and the inner wall of the air duct joint is provided with a card plate that is snapped into the card groove.

According to some embodiments of the first aspect of the present application, the air duct joint is provided with a first fastener, the connector is provided with a mounting post, and the mounting post is provided with a connection hole for matching the first fastener .

According to some embodiments of the first aspect of the present application, the connector is provided with a mounting hole penetrating the slot, a second fastener is provided in the mounting hole, and the second fastener penetrates the windshield Tube.

According to some embodiments of the first aspect of the present application, there are at least two connecting pieces, and the at least two connecting pieces are distributed along the circumferential direction of the air duct joint.

The mobile air conditioner according to the embodiment of the second aspect of the present application includes the air duct assembly of the embodiment of the first aspect.

Additional aspects and advantages of the present application will be set forth, in part, from the following description, and in part will become apparent from the following description, or may be learned by practice of the present application.

Description of drawings

Additional aspects and advantages of the present application will become apparent and readily understood from the following description of the embodiments in conjunction with the accompanying drawings, in which:

1 is a schematic structural diagram of an air duct assembly according to some embodiments of the first aspect of the application;

2 and 3 are exploded schematic views of the air duct assembly of FIG. 1;

Fig. 4 is the exploded schematic diagram of the connector in Fig. 1;

5 is a schematic structural diagram of an air duct assembly according to other embodiments of the first aspect of the application;

6 is an exploded schematic view of the air duct assembly of FIG. 5;

FIG. 7 is a schematic diagram of the structure of the connector in FIG. 5 .

The reference numbers are as follows:

Air duct 100, card slot 101, flange 102;

Connector 200, slot 201, mounting hole 202, first splint 210, second splint 220, elastic U-shaped plate 230, first clip 240, clip hole 241, positioning insert 242, second clip 250, buckle 251, positioning groove 252, mounting post 260, connecting hole 261;

The air pipe joint 300 , the clamping plate 301 , the through hole 302 , the first fastener 310 , the inner joint 320 , and the inner air pipe 330 .

detailed description

The following describes in detail the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, but should not be construed as a limitation on the present application.

In the description of the embodiments of the present application, it should be understood that the orientation descriptions related to, for example, the orientations or positional relationships indicated by up, down, front, back, left, right, etc. are based on the orientations or positional relationships shown in the accompanying drawings, It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the referred device or element must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as a limitation of the present application.

In the description of the embodiments of the present application, if it is described that the first and the second are only used for the purpose of distinguishing technical features, it should not be understood as indicating or implying relative importance or implicitly indicating the number or implicit indication of the indicated technical features. Contains indicates the order of the indicated technical features.

In the description of the embodiments of this application, unless otherwise clearly defined, words such as setting, installation, and connection should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in this application in combination with the specific content of the technical solution .

1 to 2 , an embodiment of the first aspect of the present application provides an air duct assembly, including: an air duct 100 , a connector 200 and an air duct joint 300 , and the air duct joint 300 is sleeved on the end of the air duct 100 , wherein, The connector 200 is provided with a slot 201 , the end of the air duct 100 is fixed in the slot 201 , and the air duct joint 300 is fixedly connected to the connector 200 . The end of the air duct 100 is fixed in the slot 201 of the connector 200, the connector 200 is fixed on the air duct joint 300, and the air duct 100 cannot be separated from the air duct joint 300, so as to ensure the reliability of the air duct assembly in use, and eliminate the The problem that the air duct 100 is easy to fall off during use of the existing air duct assembly is solved, which brings convenience to users.

5 to 7 , according to some embodiments of the first aspect of the present application, the connecting member 200 is an integrally formed single part, and the connecting member 200 includes a first clamping plate 210 , a second clamping plate 220 and an elastic U-shaped plate 230 . A slot 201 is formed between the splint 210 and the second splint 220 . The first splint 220 and the second splint 220 are connected by an elastic U-shaped plate 230 . Using the elasticity of the elastic U-shaped plate 230 , the first splint 210 and the second splint 220 can be Pulling and expanding the slot 201 not only facilitates inserting the end of the air duct 100 into the slot 201, but also provides a certain pre-tightening clamping force, so that the connector 200 clamps the end of the air duct 100 to prevent it from coming out, and it is also convenient for Subsequently, the connector 200 is installed on the air duct joint 300 to improve the assembly efficiency. The connecting piece 200 adopts an integrally formed single part, which is injection-molded at one time, and has high product consistency and high precision.

Referring to FIGS. 2 and 4 , according to some embodiments of the first aspect of the present application, the connector 200 is a split structure, including a first fastener 240 and a second fastener 250 , and one end of the first fastener 240 is provided with There is a clip hole 241 , the second clip 250 is provided with a clip 251 inserted into the clip hole 241 , and a slot 201 is formed between the first clip 240 and the second clip 250 . In the assembling operation of the air duct assembly, first place the end of the air duct 100 at the position corresponding to the slot 201 on the first clip 240, and then insert the clip 251 of the second clip 250 into the first clip The first clip 240 and the second clip 250 are fixed as a whole, while the air duct 100 is clamped, the connector 200 and the air duct 100 are assembled together, and then the connector 200 is assembled. Mounted on duct joint 300. Using the connector 200 of the split structure is convenient for processing and forming, simplifies the mold structure, and reduces the input cost.

Referring to FIGS. 2 and 4 , according to some embodiments of the first aspect of the present application, the connector 200 is composed of a first fastener 240 and a second fastener 250 , the first fastener 240 and the second fastener 250 A slot 201 is formed therebetween. Considering that when the first clip 240 and the second clip 250 are assembled, the clip 251 is inserted into the clip hole 241, and it is difficult to align the position, so the positioning structure is added. The positioning structure is: the second clip When assembling the connector 200, first insert the positioning insert 242 into the positioning slot 252 to achieve positioning and ensure that the buckle 251 is connected to the clamping hole 241 are aligned, so that the clip 251 can be inserted into the clip hole 241 to complete the assembly. Moreover, the positioning groove 252 is arranged on the convex edge of the second clip 250, and the length of the convex edge is the same as that of the slot 201. When the end of the air duct 100 is inserted into the slot 201, the end of the air duct 100 can abut The convex edge defines the position of the air duct 100 and is more convenient to operate.

Referring to FIG. 2 , according to some embodiments of the first aspect of the present application, the slot 201 has a first side wall and a second side wall arranged oppositely, the first side wall is set to be concave outward, and the second side wall is set to be inward The slot 201 is defined as a V-shaped, S-shaped, etc. curved shape, the end of the air duct 100 is clamped by the connector 200 in the slot 201, and the curved slot 201 helps prevent it from coming out. It can be understood that, the first side wall is concave outward means that the direction away from the slot 201 is concave, and the second side wall is convex inward means that the second side wall is convex toward the slot 201, and the air duct 100 is made of plastic. A spiral steel wire can be arranged in the pipe, the air duct 100 is clamped and deformed in the slot 201, and the inwardly convex second side wall plays a blocking role, which helps to prevent the air duct 100 from coming out of the slot 201; The second side wall is convex and is stuck between the two circles of steel wire in the air duct 100. The steel wire is used to further improve the anti-dropping performance, and the positioning is accurate. During the assembly operation, the worker can be reminded whether the air duct 100 is inserted into the slot 201 in place. , improve assembly efficiency. It can be understood that, the air duct 100 may not be provided with a helical steel wire, the air duct 100 is clamped and deformed in the slot 201, and the air duct 100 can also be prevented from coming out by means of friction.

It can be understood that, in some embodiments, the first side wall is the side surface of the first clamping plate 210, and the second side wall is the side surface of the second clamping plate 220; in other embodiments, the first side wall is the first clamping plate 220. The side of the fastener 240 , and the second side wall is the side of the second fastener 250 .

Referring to FIG. 2 , according to some embodiments of the first aspect of the present application, an inwardly concave clamping groove 101 is formed on the outer side surface of the end of the air duct 100 , and the clamping groove 101 is arranged around the end of the air duct 100 . A flange 102 is formed on the inner side of the end of the slot 100 , the first side wall of the slot 201 is matched with the flange 102 , and the second side wall of the slot 201 is matched with the card slot 101 to block the air duct 100 from the slot 201 . , with better anti-shedding effect. There are two connecting pieces 200 and are arranged opposite to each other on both sides of the air duct 100. Considering that the part of the air duct 100 that is not supported by the connecting pieces 200 may deform and fall off, the inner wall of the air duct joint 300 is provided with a snap-in slot 101 The clamping plate 301 of the air duct joint 300 is used to be inserted into the clamping slot 101 to prevent the air duct 100 from being separated from the air duct joint 300, which is also beneficial to prevent air leakage; The card board 301 may be a continuous long strip, or a plurality of boards arranged in a row.

2, according to some embodiments of the first aspect of the present application, the air duct joint 300 is provided with a first fastener 310, the first fastener 310 is a screw, and the air duct joint 300 is provided with a through hole 302 for matching the screw, The connecting member 200 is provided with an installation post 260 , and the installation post 260 is provided with a connection hole 261 for matching a screw, and the connection hole 261 has an internal thread. During assembly, a screw is passed through the through hole 302 , and then the screw is fastened to the connecting hole 261 , so as to fix the air duct joint 300 and the connecting piece 200 . Of course, the first fastener 310 can also be a self-tapping screw, and the connecting hole 261 can be set to match the countersunk hole of the self-tapping screw, without machining threads, simplifying the structure and reducing the cost. It can be understood that, the first fastener 310 can also use rivets, latches, etc., which can also achieve the purpose of fixing the air duct joint 300 and the connector 200 as a whole.

2 and 4 , according to some embodiments of the first aspect of the present application, the connector 200 is provided with two mounting holes 202 penetrating the slot 201 , and a second fastener (not shown in the drawings) is provided in the mounting holes 202 out), the two mounting holes 202 are distributed on both sides of the mounting post 260 . Since the mounting hole 202 penetrates through the slot 201, the second fastener also penetrates the air duct 100, and the connector 200 and the air duct 100 are fixed into one by the second fastener, which further prevents the air duct 100 from coming out of the slot 201, To improve the reliability in use, the two second fasteners provide more fixing points for the air duct 100, and can also reduce the shaking of the air duct 100 during exhaust air. It can be understood that the second fastener may be a bolt, a rivet, a latch, etc., depending on actual requirements.

It can be understood that the end of the air duct 100 is fixed in the slot 201, which can be a V-shaped, S-shaped slot 201 that clamps the air duct 100, or the connector 200 can use a second fastener Through the air duct 100, the slot 201 of the curved shape such as V-shaped and S-shaped can also clamp the air duct 100 and the second fastener can penetrate the air duct 100 at the same time. Purpose.

The air duct joint 300 also has an inner joint 320. The inner joint 320 is connected to the inner air duct 330. The air duct 100 and the inner air duct 330 form a pipe-in-pipe structure. Two, and distributed along the circumferential direction of the air duct joint 300 . Referring to FIG. 2 , two connectors 200 are arranged on opposite sides of the air duct 100. Of course, the number of connectors 200 may also be three or four. The force of 100 is more balanced.

The mobile air conditioner (not shown in the figure) according to the second aspect of the present application includes the air duct assembly of the first aspect embodiment. The air duct assembly has the advantage that the air duct 100 is not easy to fall off, the use process is more reliable, and it is convenient for users to wear Come convenient.

The embodiments of the present application have been described in detail above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art, various kind of change.

Claims

Duct assemblies, including:

air duct;

a connector, connected to the end of the air duct;

an air duct joint, sleeved on the end of the air duct;

Wherein, the connector is provided with a slot, the end of the air duct is fixed to the slot, and the connector is fixedly connected to the air duct joint.
The air duct assembly according to claim 1, wherein the connecting member comprises a first clamping plate, a second clamping plate and an elastic U-shaped plate, and the slot is formed between the first clamping plate and the second clamping plate, The first clamping plate and the second clamping plate are connected by an elastic U-shaped plate.
The air duct assembly according to claim 1, wherein the connecting member comprises a first clip and a second clip, one end of the first clip is provided with a clip hole, and the second clip The clasp is provided with a clasp inserted into the clasp hole, and the slot is formed between the first clasp and the second clasp.
The air duct assembly according to claim 3, wherein the first snap member is further provided with a positioning insert, and the positioning insert and the snap hole are located at the same end of the first snap piece, The second clip is provided with a positioning groove which is matched with the positioning insert.
The air duct assembly according to claim 1, wherein the slot has a first side wall and a second side wall arranged oppositely, the first side wall is configured to be concave outward, and the second side wall is configured to be convex inward.
The air duct assembly according to claim 5, wherein the outer side surface of the end portion of the air duct is formed with a surrounding clamping groove, the inner side surface of the end portion of the air duct is formed with a corresponding flange, the clamping groove and the The second side wall is engaged, and the flange is engaged with the first side wall.
The air duct assembly according to claim 1, wherein the air duct joint is provided with a first fastener, the connecting piece is provided with a mounting post, and the mounting post is provided with a fitting for the first fastener. connection hole.
The air duct assembly according to claim 1, wherein the connecting member is provided with a mounting hole penetrating the slot, a second fastener is provided in the mounting hole, and the second fastener penetrates through the slot. air duct.
The air duct assembly according to claim 1, wherein there are at least two connecting pieces, and the at least two connecting pieces are distributed along the circumference of the air duct joint.
A mobile air conditioner, comprising the air duct assembly according to any one of claims 1 to 9.